openttd: src/terraform_cmd.cpp annotate

annotate src/terraform_cmd.cpp @ 17676:3be3d8523223 draft

(svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit)

author	alberth <alberth@openttd.org>
date	Sat, 14 May 2011 09:26:16 +0000
parents	5b204f51b151
children	b3cb40aab91b

rev	line source
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	1 /* $Id$ */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	2
12778 bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	3 /*
bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	4 * This file is part of OpenTTD.
bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	8 */
bc7926153e19 (svn r17248) -Fix: add GPL license notice where appropriate rubidium <rubidium@openttd.org> parents: 12632 diff changeset	9
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	10 /** @file terraform_cmd.cpp Commands related to terraforming. */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	11
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	12 #include "stdafx.h"
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	13 #include "command_func.h"
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	14 #include "tunnel_map.h"
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	15 #include "bridge_map.h"
17277 5b204f51b151 (svn r22017) -Codechange: move MarkTileDirtyByTile to viewport_func.h rubidium <rubidium@openttd.org> parents: 17152 diff changeset	16 #include "viewport_func.h"
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	17 #include "economy_func.h"
15531 93093fe9137c (svn r20190) -Codechange: unVARDEF _generate_world and move it to genworld rubidium <rubidium@openttd.org> parents: 15187 diff changeset	18 #include "genworld.h"
16561 7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	19 #include "object_base.h"
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	20 #include "company_base.h"
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	21 #include "company_func.h"
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	22
8264 2495310e220f (svn r11828) -Codechange: include table/* as the last includes and remove an unneeded include from openttd.h. rubidium <rubidium@openttd.org> parents: 8230 diff changeset	23 #include "table/strings.h"
2495310e220f (svn r11828) -Codechange: include table/* as the last includes and remove an unneeded include from openttd.h. rubidium <rubidium@openttd.org> parents: 8230 diff changeset	24
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	25 /*
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	26 * In one terraforming command all four corners of a initial tile can be raised/lowered (though this is not available to the player).
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	27 * The maximal amount of height modifications is archieved when raising a complete flat land from sea level to MAX_TILE_HEIGHT or vice versa.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	28 * This affects all corners with a manhatten distance smaller than MAX_TILE_HEIGHT to one of the initial 4 corners.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	29 * Their maximal amount is computed to 4 * \sum_{i=1}^{h_max} i = 2 * h_max * (h_max + 1).
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	30 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	31 static const int TERRAFORMER_MODHEIGHT_SIZE = 2 * MAX_TILE_HEIGHT * (MAX_TILE_HEIGHT + 1);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	32
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	33 /*
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	34 * The maximal amount of affected tiles (i.e. the tiles that incident with one of the corners above, is computed similiar to
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	35 * 1 + 4 * \sum_{i=1}^{h_max} (i+1) = 1 + 2 * h_max + (h_max + 3).
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	36 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	37 static const int TERRAFORMER_TILE_TABLE_SIZE = 1 + 2 * MAX_TILE_HEIGHT * (MAX_TILE_HEIGHT + 3);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	38
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	39 struct TerraformerHeightMod {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	40 TileIndex tile; ///< Referenced tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	41 byte height; ///< New TileHeight (height of north corner) of the tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	42 };
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	43
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	44 struct TerraformerState {
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	45 int modheight_count; ///< amount of entries in "modheight".
d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	46 int tile_table_count; ///< amount of entries in "tile_table".
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	47
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	48 /**
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	49 * Dirty tiles, i.e.\ at least one corner changed.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	50 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	51 * This array contains the tiles which are or will be marked as dirty.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	52 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	53 * @ingroup dirty
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	54 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	55 TileIndex tile_table[TERRAFORMER_TILE_TABLE_SIZE];
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	56 TerraformerHeightMod modheight[TERRAFORMER_MODHEIGHT_SIZE]; ///< Height modifications.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	57 };
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	58
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	59 TileIndex _terraform_err_tile; ///< first tile we couldn't terraform
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	60
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	61 /**
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	62 * Gets the TileHeight (height of north corner) of a tile as of current terraforming progress.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	63 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	64 * @param ts TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	65 * @param tile Tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	66 * @return TileHeight.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	67 */
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	68 static int TerraformGetHeightOfTile(const TerraformerState *ts, TileIndex tile)
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	69 {
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	70 const TerraformerHeightMod *mod = ts->modheight;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	71
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	72 for (int count = ts->modheight_count; count != 0; count--, mod++) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	73 if (mod->tile == tile) return mod->height;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	74 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	75
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	76 /* TileHeight unchanged so far, read value from map. */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	77 return TileHeight(tile);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	78 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	79
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	80 /**
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	81 * Stores the TileHeight (height of north corner) of a tile in a TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	82 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	83 * @param ts TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	84 * @param tile Tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	85 * @param height New TileHeight.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	86 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	87 static void TerraformSetHeightOfTile(TerraformerState *ts, TileIndex tile, int height)
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	88 {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	89 /* Find tile in the "modheight" table.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	90 * Note: In a normal user-terraform command the tile will not be found in the "modheight" table.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	91 * But during house- or industry-construction multiple corners can be terraformed at once. */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	92 TerraformerHeightMod *mod = ts->modheight;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	93 int count = ts->modheight_count;
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	94
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	95 while ((count > 0) && (mod->tile != tile)) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	96 mod++;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	97 count--;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	98 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	99
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	100 /* New entry? */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	101 if (count == 0) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	102 assert(ts->modheight_count < TERRAFORMER_MODHEIGHT_SIZE);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	103 ts->modheight_count++;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	104 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	105
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	106 /* Finally store the new value */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	107 mod->tile = tile;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	108 mod->height = (byte)height;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	109 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	110
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	111 /**
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	112 * Adds a tile to the "tile_table" in a TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	113 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	114 * @param ts TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	115 * @param tile Tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	116 * @ingroup dirty
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	117 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	118 static void TerraformAddDirtyTile(TerraformerState *ts, TileIndex tile)
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	119 {
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	120 int count = ts->tile_table_count;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	121
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	122 for (TileIndex *t = ts->tile_table; count != 0; count--, t++) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	123 if (*t == tile) return;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	124 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	125
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	126 assert(ts->tile_table_count < TERRAFORMER_TILE_TABLE_SIZE);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	127
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	128 ts->tile_table[ts->tile_table_count++] = tile;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	129 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	130
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	131 /**
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	132 * Adds all tiles that incident with the north corner of a specific tile to the "tile_table" in a TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	133 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	134 * @param ts TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	135 * @param tile Tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	136 * @ingroup dirty
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	137 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	138 static void TerraformAddDirtyTileAround(TerraformerState *ts, TileIndex tile)
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	139 {
10855 7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	140 /* Make sure all tiles passed to TerraformAddDirtyTile are within [0, MapSize()] */
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	141 if (TileY(tile) >= 1) TerraformAddDirtyTile(ts, tile + TileDiffXY( 0, -1));
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	142 if (TileY(tile) >= 1 && TileX(tile) >= 1) TerraformAddDirtyTile(ts, tile + TileDiffXY(-1, -1));
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	143 if (TileX(tile) >= 1) TerraformAddDirtyTile(ts, tile + TileDiffXY(-1, 0));
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	144 TerraformAddDirtyTile(ts, tile);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	145 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	146
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	147 /**
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	148 * Terraform the north corner of a tile to a specific height.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	149 *
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	150 * @param ts TerraformerState.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	151 * @param tile Tile.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	152 * @param height Aimed height.
13079 090bac35e7e4 (svn r17579) -Fix: remove doxygen docs for removed parameters, or change @param to @tparam if necessary rubidium <rubidium@openttd.org> parents: 13067 diff changeset	153 * @return Error code or cost.
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	154 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	155 static CommandCost TerraformTileHeight(TerraformerState *ts, TileIndex tile, int height)
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	156 {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	157 assert(tile < MapSize());
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	158
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	159 /* Check range of destination height */
11730 a39da1e4c1f5 (svn r16118) -Change/cleanup: remove the hexadecimal 'in TTD the string had this ID' from 'some' strings and replace the string name with something more sensible. rubidium <rubidium@openttd.org> parents: 11090 diff changeset	160 if (height < 0) return_cmd_error(STR_ERROR_ALREADY_AT_SEA_LEVEL);
15187 03033976eab9 (svn r19816) -Codechange: use static const uint for the unnamed 'tile consts' enum as well rubidium <rubidium@openttd.org> parents: 15018 diff changeset	161 if (height > (int)MAX_TILE_HEIGHT) return_cmd_error(STR_ERROR_TOO_HIGH);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	162
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	163 /*
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	164 * Check if the terraforming has any effect.
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	165 * This can only be true, if multiple corners of the start-tile are terraformed (i.e. the terraforming is done by towns/industries etc.).
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	166 * In this case the terraforming should fail. (Don't know why.)
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	167 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	168 if (height == TerraformGetHeightOfTile(ts, tile)) return CMD_ERROR;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	169
10855 7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	170 /* Check "too close to edge of map". Only possible when freeform-edges is off. */
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	171 uint x = TileX(tile);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	172 uint y = TileY(tile);
10855 7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	173 if (!_settings_game.construction.freeform_edges && ((x <= 1) \|\| (y <= 1) \|\| (x >= MapMaxX() - 1) \|\| (y >= MapMaxY() - 1))) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	174 /*
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	175 * Determine a sensible error tile
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	176 */
10816 35b3e8e25590 (svn r15151) -Fix: tile 0 can now be highlighted as error tile Yexo <Yexo@openttd.org> parents: 10804 diff changeset	177 if (x == 1) x = 0;
35b3e8e25590 (svn r15151) -Fix: tile 0 can now be highlighted as error tile Yexo <Yexo@openttd.org> parents: 10804 diff changeset	178 if (y == 1) y = 0;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	179 _terraform_err_tile = TileXY(x, y);
11730 a39da1e4c1f5 (svn r16118) -Change/cleanup: remove the hexadecimal 'in TTD the string had this ID' from 'some' strings and replace the string name with something more sensible. rubidium <rubidium@openttd.org> parents: 11090 diff changeset	180 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_EDGE_OF_MAP);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	181 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	182
16349 b1fc0cfd2943 (svn r21060) -Doc: Improved wording of comments (mostly by __ln__) alberth <alberth@openttd.org> parents: 16055 diff changeset	183 /* Mark incident tiles that are involved in the terraforming. */
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	184 TerraformAddDirtyTileAround(ts, tile);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	185
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	186 /* Store the height modification */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	187 TerraformSetHeightOfTile(ts, tile, height);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	188
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	189 CommandCost total_cost(EXPENSES_CONSTRUCTION);
d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	190
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	191 /* Increment cost */
13486 f2535c5098a0 (svn r18005) -Codechange: Convert the Prices struct into an array and an enum. frosch <frosch@openttd.org> parents: 13186 diff changeset	192 total_cost.AddCost(_price[PR_TERRAFORM]);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	193
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	194 /* Recurse to neighboured corners if height difference is larger than 1 */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	195 {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	196 const TileIndexDiffC *ttm;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	197
10855 7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	198 TileIndex orig_tile = tile;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	199 static const TileIndexDiffC _terraform_tilepos[] = {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	200 { 1, 0}, // move to tile in SE
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	201 {-2, 0}, // undo last move, and move to tile in NW
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	202 { 1, 1}, // undo last move, and move to tile in SW
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	203 { 0, -2} // undo last move, and move to tile in NE
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	204 };
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	205
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	206 for (ttm = _terraform_tilepos; ttm != endof(_terraform_tilepos); ttm++) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	207 tile += ToTileIndexDiff(*ttm);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	208
10855 7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	209 if (tile >= MapSize()) continue;
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	210 /* Make sure we don't wrap around the map */
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	211 if (Delta(TileX(orig_tile), TileX(tile)) == MapSizeX() - 1) continue;
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	212 if (Delta(TileY(orig_tile), TileY(tile)) == MapSizeY() - 1) continue;
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	213
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	214 /* Get TileHeight of neighboured tile as of current terraform progress */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	215 int r = TerraformGetHeightOfTile(ts, tile);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	216 int height_diff = height - r;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	217
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	218 /* Is the height difference to the neighboured corner greater than 1? */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	219 if (abs(height_diff) > 1) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	220 /* Terraform the neighboured corner. The resulting height difference should be 1. */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	221 height_diff += (height_diff < 0 ? 1 : -1);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	222 CommandCost cost = TerraformTileHeight(ts, tile, r + height_diff);
14314 60d313b887b8 (svn r18866) -Codechange: remove the CmdFailed(ret)/CmdSucceeded(ret) wrapper functions rubidium <rubidium@openttd.org> parents: 14175 diff changeset	223 if (cost.Failed()) return cost;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	224 total_cost.AddCost(cost);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	225 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	226 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	227 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	228
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	229 return total_cost;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	230 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	231
15620 f8e9a3f0c140 (svn r20283) -Codechange: Unify start of doygen comments. frosch <frosch@openttd.org> parents: 15533 diff changeset	232 /**
f8e9a3f0c140 (svn r20283) -Codechange: Unify start of doygen comments. frosch <frosch@openttd.org> parents: 15533 diff changeset	233 * Terraform land
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	234 * @param tile tile to terraform
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	235 * @param flags for this command type
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	236 * @param p1 corners to terraform (SLOPE_xxx)
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	237 * @param p2 direction; eg up (non-zero) or down (zero)
13067 082cdb4504ac (svn r17567) -Fix: some doxygen warnings rubidium <rubidium@openttd.org> parents: 12778 diff changeset	238 * @param text unused
082cdb4504ac (svn r17567) -Fix: some doxygen warnings rubidium <rubidium@openttd.org> parents: 12778 diff changeset	239 * @return the cost of this operation or an error
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	240 */
11090 df23c4e04638 (svn r15434) -Codechange: bit of type safety for the DC_xxx flags. rubidium <rubidium@openttd.org> parents: 10960 diff changeset	241 CommandCost CmdTerraformLand(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	242 {
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	243 _terraform_err_tile = INVALID_TILE;
d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	244
8230 5b61305fcdd4 (svn r11793) -Codechange: pass the expense type via the CommandCost instead of a global variable. Patch by Noldo (FS#1114). rubidium <rubidium@openttd.org> parents: 8210 diff changeset	245 CommandCost total_cost(EXPENSES_CONSTRUCTION);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	246 int direction = (p2 != 0 ? 1 : -1);
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	247 TerraformerState ts;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	248
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	249 ts.modheight_count = ts.tile_table_count = 0;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	250
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	251 /* Compute the costs and the terraforming result in a model of the landscape */
10868 54ff22c7986f (svn r15203) -Fix (r15190): CmdTerraformLand didn't check it's parameters good enough. Yexo <Yexo@openttd.org> parents: 10855 diff changeset	252 if ((p1 & SLOPE_W) != 0 && tile + TileDiffXY(1, 0) < MapSize()) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	253 TileIndex t = tile + TileDiffXY(1, 0);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	254 CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction);
14314 60d313b887b8 (svn r18866) -Codechange: remove the CmdFailed(ret)/CmdSucceeded(ret) wrapper functions rubidium <rubidium@openttd.org> parents: 14175 diff changeset	255 if (cost.Failed()) return cost;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	256 total_cost.AddCost(cost);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	257 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	258
10868 54ff22c7986f (svn r15203) -Fix (r15190): CmdTerraformLand didn't check it's parameters good enough. Yexo <Yexo@openttd.org> parents: 10855 diff changeset	259 if ((p1 & SLOPE_S) != 0 && tile + TileDiffXY(1, 1) < MapSize()) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	260 TileIndex t = tile + TileDiffXY(1, 1);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	261 CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction);
14314 60d313b887b8 (svn r18866) -Codechange: remove the CmdFailed(ret)/CmdSucceeded(ret) wrapper functions rubidium <rubidium@openttd.org> parents: 14175 diff changeset	262 if (cost.Failed()) return cost;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	263 total_cost.AddCost(cost);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	264 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	265
10868 54ff22c7986f (svn r15203) -Fix (r15190): CmdTerraformLand didn't check it's parameters good enough. Yexo <Yexo@openttd.org> parents: 10855 diff changeset	266 if ((p1 & SLOPE_E) != 0 && tile + TileDiffXY(0, 1) < MapSize()) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	267 TileIndex t = tile + TileDiffXY(0, 1);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	268 CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction);
14314 60d313b887b8 (svn r18866) -Codechange: remove the CmdFailed(ret)/CmdSucceeded(ret) wrapper functions rubidium <rubidium@openttd.org> parents: 14175 diff changeset	269 if (cost.Failed()) return cost;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	270 total_cost.AddCost(cost);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	271 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	272
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	273 if ((p1 & SLOPE_N) != 0) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	274 TileIndex t = tile + TileDiffXY(0, 0);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	275 CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction);
14314 60d313b887b8 (svn r18866) -Codechange: remove the CmdFailed(ret)/CmdSucceeded(ret) wrapper functions rubidium <rubidium@openttd.org> parents: 14175 diff changeset	276 if (cost.Failed()) return cost;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	277 total_cost.AddCost(cost);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	278 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	279
16561 7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	280 /* Check if the terraforming is valid wrt. tunnels, bridges and objects on the surface
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	281 * Pass == 0: Collect tileareas which are caused to be auto-cleared.
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	282 * Pass == 1: Collect the actual cost. */
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	283 for (int pass = 0; pass < 2; pass++) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	284 TileIndex *ti = ts.tile_table;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	285
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	286 for (int count = ts.tile_table_count; count != 0; count--, ti++) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	287 TileIndex tile = *ti;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	288
10855 7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	289 assert(tile < MapSize());
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	290 /* MP_VOID tiles can be terraformed but as tunnels and bridges
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	291 * cannot go under / over these tiles they don't need checking. */
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	292 if (IsTileType(tile, MP_VOID)) continue;
7881d9cd55ab (svn r15190) -Feature: Allow terraforming of the tiles at the edges of the map. Yexo <Yexo@openttd.org> parents: 10816 diff changeset	293
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	294 /* Find new heights of tile corners */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	295 uint z_N = TerraformGetHeightOfTile(&ts, tile + TileDiffXY(0, 0));
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	296 uint z_W = TerraformGetHeightOfTile(&ts, tile + TileDiffXY(1, 0));
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	297 uint z_S = TerraformGetHeightOfTile(&ts, tile + TileDiffXY(1, 1));
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	298 uint z_E = TerraformGetHeightOfTile(&ts, tile + TileDiffXY(0, 1));
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	299
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	300 /* Find min and max height of tile */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	301 uint z_min = min(min(z_N, z_W), min(z_S, z_E));
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	302 uint z_max = max(max(z_N, z_W), max(z_S, z_E));
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	303
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	304 /* Compute tile slope */
8801 9fe7640963e3 (svn r12541) -Codechange: Declare Slope enum as bit set, and remove some (then) unneeded casts. frosch <frosch@openttd.org> parents: 8264 diff changeset	305 Slope tileh = (z_max > z_min + 1 ? SLOPE_STEEP : SLOPE_FLAT);
9fe7640963e3 (svn r12541) -Codechange: Declare Slope enum as bit set, and remove some (then) unneeded casts. frosch <frosch@openttd.org> parents: 8264 diff changeset	306 if (z_W > z_min) tileh \|= SLOPE_W;
9fe7640963e3 (svn r12541) -Codechange: Declare Slope enum as bit set, and remove some (then) unneeded casts. frosch <frosch@openttd.org> parents: 8264 diff changeset	307 if (z_S > z_min) tileh \|= SLOPE_S;
9fe7640963e3 (svn r12541) -Codechange: Declare Slope enum as bit set, and remove some (then) unneeded casts. frosch <frosch@openttd.org> parents: 8264 diff changeset	308 if (z_E > z_min) tileh \|= SLOPE_E;
9fe7640963e3 (svn r12541) -Codechange: Declare Slope enum as bit set, and remove some (then) unneeded casts. frosch <frosch@openttd.org> parents: 8264 diff changeset	309 if (z_N > z_min) tileh \|= SLOPE_N;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	310
17676 3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	311 if (pass == 0) {
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	312 /* Check if bridge would take damage */
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	313 if (direction == 1 && MayHaveBridgeAbove(tile) && IsBridgeAbove(tile) &&
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	314 GetBridgeHeight(GetSouthernBridgeEnd(tile)) <= z_max * TILE_HEIGHT) {
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	315 _terraform_err_tile = tile; // highlight the tile under the bridge
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	316 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	317 }
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	318 /* Check if tunnel would take damage */
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	319 if (direction == -1 && IsTunnelInWay(tile, z_min * TILE_HEIGHT)) {
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	320 _terraform_err_tile = tile; // highlight the tile above the tunnel
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	321 return_cmd_error(STR_ERROR_EXCAVATION_WOULD_DAMAGE);
3be3d8523223 (svn r22451) -Codechange: Test for bridges and tunnels during the first pass only while terraforming (HackaLittleBit) alberth <alberth@openttd.org> parents: 17277 diff changeset	322 }
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	323 }
16561 7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	324
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	325 /* Is the tile already cleared? */
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	326 const ClearedObjectArea *coa = FindClearedObject(tile);
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	327 bool indirectly_cleared = coa != NULL && coa->first_tile != tile;
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	328
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	329 /* Check tiletype-specific things, and add extra-cost */
9309 f34f4fa2950c (svn r13177) -Fix[FS#2002]: Using level tool in scenario editor makes tiles brown. That is the only tool that does so in Scenario Editor (apart dynamite, of course).Report and Fix by Roujin belugas <belugas@openttd.org> parents: 8816 diff changeset	330 const bool curr_gen = _generating_world;
f34f4fa2950c (svn r13177) -Fix[FS#2002]: Using level tool in scenario editor makes tiles brown. That is the only tool that does so in Scenario Editor (apart dynamite, of course).Report and Fix by Roujin belugas <belugas@openttd.org> parents: 8816 diff changeset	331 if (_game_mode == GM_EDITOR) _generating_world = true; // used to create green terraformed land
16561 7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	332 DoCommandFlag tile_flags = flags \| DC_AUTO \| DC_FORCE_CLEAR_TILE;
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	333 if (pass == 0) {
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	334 tile_flags &= ~DC_EXEC;
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	335 tile_flags \|= DC_NO_MODIFY_TOWN_RATING;
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	336 }
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	337 CommandCost cost;
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	338 if (indirectly_cleared) {
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	339 cost = DoCommand(tile, 0, 0, tile_flags, CMD_LANDSCAPE_CLEAR);
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	340 } else {
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	341 cost = _tile_type_procs[GetTileType(tile)]->terraform_tile_proc(tile, tile_flags, z_min * TILE_HEIGHT, tileh);
7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	342 }
9309 f34f4fa2950c (svn r13177) -Fix[FS#2002]: Using level tool in scenario editor makes tiles brown. That is the only tool that does so in Scenario Editor (apart dynamite, of course).Report and Fix by Roujin belugas <belugas@openttd.org> parents: 8816 diff changeset	343 _generating_world = curr_gen;
14314 60d313b887b8 (svn r18866) -Codechange: remove the CmdFailed(ret)/CmdSucceeded(ret) wrapper functions rubidium <rubidium@openttd.org> parents: 14175 diff changeset	344 if (cost.Failed()) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	345 _terraform_err_tile = tile;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	346 return cost;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	347 }
16561 7ca019b56d4e (svn r21289) -Fix [FS#4133]: Make terraforming and tunnel-excavation handle DC_AUTO-clearable multitile objects. frosch <frosch@openttd.org> parents: 16349 diff changeset	348 if (pass == 1) total_cost.AddCost(cost);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	349 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	350 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	351
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	352 Company *c = Company::GetIfValid(_current_company);
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	353 if (c != NULL && (int)GB(c->terraform_limit, 16, 16) < ts.modheight_count) {
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	354 return_cmd_error(STR_ERROR_TERRAFORM_LIMIT_REACHED);
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	355 }
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	356
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	357 if (flags & DC_EXEC) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	358 /* change the height */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	359 {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	360 int count;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	361 TerraformerHeightMod *mod;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	362
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	363 mod = ts.modheight;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	364 for (count = ts.modheight_count; count != 0; count--, mod++) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	365 TileIndex til = mod->tile;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	366
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	367 SetTileHeight(til, mod->height);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	368 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	369 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	370
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	371 /* finally mark the dirty tiles dirty */
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	372 {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	373 int count;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	374 TileIndex *ti = ts.tile_table;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	375 for (count = ts.tile_table_count; count != 0; count--, ti++) {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	376 MarkTileDirtyByTile(*ti);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	377 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	378 }
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	379
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	380 if (c != NULL) c->terraform_limit -= ts.modheight_count << 16;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	381 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	382 return total_cost;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	383 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	384
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	385
15620 f8e9a3f0c140 (svn r20283) -Codechange: Unify start of doygen comments. frosch <frosch@openttd.org> parents: 15533 diff changeset	386 /**
f8e9a3f0c140 (svn r20283) -Codechange: Unify start of doygen comments. frosch <frosch@openttd.org> parents: 15533 diff changeset	387 * Levels a selected (rectangle) area of land
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	388 * @param tile end tile of area-drag
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	389 * @param flags for this command type
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	390 * @param p1 start tile of area drag
16760 9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	391 * @param p2 various bitstuffed data.
16767 3a5666e0d4bc (svn r21500) -Feature [FS#730]: diagonal tile clearing and terraforming. Based on patch by fonsinchen rubidium <rubidium@openttd.org> parents: 16762 diff changeset	392 * bit 0: Whether to use the Orthogonal (0) or Diagonal (1) iterator.
16760 9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	393 * bits 1 - 2: Mode of leveling \c LevelMode.
13067 082cdb4504ac (svn r17567) -Fix: some doxygen warnings rubidium <rubidium@openttd.org> parents: 12778 diff changeset	394 * @param text unused
082cdb4504ac (svn r17567) -Fix: some doxygen warnings rubidium <rubidium@openttd.org> parents: 12778 diff changeset	395 * @return the cost of this operation or an error
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	396 */
11090 df23c4e04638 (svn r15434) -Codechange: bit of type safety for the DC_xxx flags. rubidium <rubidium@openttd.org> parents: 10960 diff changeset	397 CommandCost CmdLevelLand(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	398 {
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	399 if (p1 >= MapSize()) return CMD_ERROR;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	400
10804 2c9373a99b65 (svn r15138) -Fix [FS#2542]: tile error location not reset when leveling land causing a tile to be highlighted when there was nothing to flatten. rubidium <rubidium@openttd.org> parents: 10499 diff changeset	401 _terraform_err_tile = INVALID_TILE;
2c9373a99b65 (svn r15138) -Fix [FS#2542]: tile error location not reset when leveling land causing a tile to be highlighted when there was nothing to flatten. rubidium <rubidium@openttd.org> parents: 10499 diff changeset	402
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	403 /* remember level height */
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	404 uint oldh = TileHeight(p1);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	405
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	406 /* compute new height */
16760 9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	407 uint h = oldh;
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	408 LevelMode lm = (LevelMode)GB(p2, 1, 2);
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	409 switch (lm) {
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	410 case LM_LEVEL: break;
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	411 case LM_RAISE: h++; break;
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	412 case LM_LOWER: h--; break;
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	413 default: return CMD_ERROR;
9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	414 }
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	415
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	416 /* Check range of destination height */
11730 a39da1e4c1f5 (svn r16118) -Change/cleanup: remove the hexadecimal 'in TTD the string had this ID' from 'some' strings and replace the string name with something more sensible. rubidium <rubidium@openttd.org> parents: 11090 diff changeset	417 if (h > MAX_TILE_HEIGHT) return_cmd_error((oldh == 0) ? STR_ERROR_ALREADY_AT_SEA_LEVEL : STR_ERROR_TOO_HIGH);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	418
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	419 Money money = GetAvailableMoneyForCommand();
d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	420 CommandCost cost(EXPENSES_CONSTRUCTION);
16760 9e31dde37aed (svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile rubidium <rubidium@openttd.org> parents: 16561 diff changeset	421 CommandCost last_error(lm == LM_LEVEL ? STR_ERROR_ALREADY_LEVELLED : INVALID_STRING_ID);
14894 d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	422 bool had_success = false;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	423
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	424 const Company *c = Company::GetIfValid(_current_company);
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	425 int limit = (c == NULL ? INT32_MAX : GB(c->terraform_limit, 16, 16));
16996 0c0473c260b1 (svn r21732) -Fix (r21728): show the "proper" error that the landscaping limit is reached instead of "already flat" rubidium <rubidium@openttd.org> parents: 16992 diff changeset	426 if (limit == 0) return_cmd_error(STR_ERROR_TERRAFORM_LIMIT_REACHED);
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	427
14175 f1393258ecd5 (svn r18723) -Codechange: also simplify looping over an area when building trees, desert, rocky areas or leveling land rubidium <rubidium@openttd.org> parents: 13486 diff changeset	428 TileArea ta(tile, p1);
16767 3a5666e0d4bc (svn r21500) -Feature [FS#730]: diagonal tile clearing and terraforming. Based on patch by fonsinchen rubidium <rubidium@openttd.org> parents: 16762 diff changeset	429 TileIterator iter = HasBit(p2, 0) ? (TileIterator )new DiagonalTileIterator(tile, p1) : new OrthogonalTileIterator(ta);
3a5666e0d4bc (svn r21500) -Feature [FS#730]: diagonal tile clearing and terraforming. Based on patch by fonsinchen rubidium <rubidium@openttd.org> parents: 16762 diff changeset	430 for (; iter != INVALID_TILE; ++(iter)) {
3a5666e0d4bc (svn r21500) -Feature [FS#730]: diagonal tile clearing and terraforming. Based on patch by fonsinchen rubidium <rubidium@openttd.org> parents: 16762 diff changeset	431 TileIndex t = *iter;
16762 c0ddbaaeb487 (svn r21495) -Codechange: don't hide a local variable rubidium <rubidium@openttd.org> parents: 16760 diff changeset	432 uint curh = TileHeight(t);
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	433 while (curh != h) {
16762 c0ddbaaeb487 (svn r21495) -Codechange: don't hide a local variable rubidium <rubidium@openttd.org> parents: 16760 diff changeset	434 CommandCost ret = DoCommand(t, SLOPE_N, (curh > h) ? 0 : 1, flags & ~DC_EXEC, CMD_TERRAFORM_LAND);
14894 d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	435 if (ret.Failed()) {
d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	436 last_error = ret;
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	437
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	438 /* Did we reach the limit? */
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	439 if (ret.GetErrorMessage() == STR_ERROR_TERRAFORM_LIMIT_REACHED) limit = 0;
14894 d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	440 break;
d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	441 }
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	442
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	443 if (flags & DC_EXEC) {
8816 d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	444 money -= ret.GetCost();
d278baac2725 (svn r12562) -Cleanup: variable scope in terraform_cmd.cpp smatz <smatz@openttd.org> parents: 8801 diff changeset	445 if (money < 0) {
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	446 _additional_cash_required = ret.GetCost();
16767 3a5666e0d4bc (svn r21500) -Feature [FS#730]: diagonal tile clearing and terraforming. Based on patch by fonsinchen rubidium <rubidium@openttd.org> parents: 16762 diff changeset	447 delete iter;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	448 return cost;
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	449 }
16762 c0ddbaaeb487 (svn r21495) -Codechange: don't hide a local variable rubidium <rubidium@openttd.org> parents: 16760 diff changeset	450 DoCommand(t, SLOPE_N, (curh > h) ? 0 : 1, flags, CMD_TERRAFORM_LAND);
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	451 } else {
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	452 /* When we're at the terraform limit we better bail (unneeded) testing as well.
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	453 * This will probably cause the terraforming cost to be underestimated, but only
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	454 * when it's near the terraforming limit. Even then, the estimation is
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	455 * completely off due to it basically counting terraforming double, so it being
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	456 * cut off earlier might even give a better estimate in some cases. */
17054 edf90c14dda2 (svn r21791) -Fix [FS#4407]: off-by-one-ish for the terraforming limit rubidium <rubidium@openttd.org> parents: 16996 diff changeset	457 if (--limit <= 0) {
edf90c14dda2 (svn r21791) -Fix [FS#4407]: off-by-one-ish for the terraforming limit rubidium <rubidium@openttd.org> parents: 16996 diff changeset	458 had_success = true;
edf90c14dda2 (svn r21791) -Fix [FS#4407]: off-by-one-ish for the terraforming limit rubidium <rubidium@openttd.org> parents: 16996 diff changeset	459 break;
edf90c14dda2 (svn r21791) -Fix [FS#4407]: off-by-one-ish for the terraforming limit rubidium <rubidium@openttd.org> parents: 16996 diff changeset	460 }
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	461 }
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	462
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	463 cost.AddCost(ret);
2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	464 curh += (curh > h) ? -1 : 1;
14894 d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	465 had_success = true;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	466 }
16992 e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	467
e364b524e15a (svn r21728) -Fix/Feature [FS#4331]: (configurably) limit amount of tiles that can be cleared/terraformed by a company rubidium <rubidium@openttd.org> parents: 16767 diff changeset	468 if (limit <= 0) break;
12529 f24901a2ad84 (svn r16966) -Codechange: BEGIN_TILE_LOOP and END_TILE_LOOP reworked into TILE_LOOP, which means no more duplication of parameters between BEGIN_TILE_LOOP and END_TILE_LOOP rubidium <rubidium@openttd.org> parents: 11730 diff changeset	469 }
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	470
16767 3a5666e0d4bc (svn r21500) -Feature [FS#730]: diagonal tile clearing and terraforming. Based on patch by fonsinchen rubidium <rubidium@openttd.org> parents: 16762 diff changeset	471 delete iter;
14894 d91811686eca (svn r19490) -Fix: Return to old behaviour of CmdLevelLand() by keeping track of last error. alberth <alberth@openttd.org> parents: 14728 diff changeset	472 return had_success ? cost : last_error;
8210 2191f47ab047 (svn r11773) -Codechange: move some non-clear-land functions from clear_cmd.cpp to a more correct location. rubidium <rubidium@openttd.org> parents: diff changeset	473 }

Mercurial > hg > openttd

annotate src/terraform_cmd.cpp @ 17676:3be3d8523223 draft