Mercurial > hg > openttd
view src/bridge_map.cpp @ 6773:746c984c2dfe draft
(svn r10009) -Codechange: Add and use Vehicle::IsPrimaryVehicle to replace individual checks depending on the vehicle type.
author | maedhros <maedhros@openttd.org> |
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date | Fri, 01 Jun 2007 12:03:10 +0000 (2007-06-01) |
parents | c8862595d06b |
children | 6eee1c30215d |
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/* $Id$ */ /** @file bridge_map.cpp Map accessor functions for bridges. */ #include "stdafx.h" #include "openttd.h" #include "bridge_map.h" #include "bridge.h" #include "variables.h" TileIndex GetBridgeEnd(TileIndex tile, DiagDirection dir) { TileIndexDiff delta = TileOffsByDiagDir(dir); dir = ReverseDiagDir(dir); do { tile += delta; } while (!IsBridgeTile(tile) || GetBridgeRampDirection(tile) != dir); return tile; } TileIndex GetNorthernBridgeEnd(TileIndex t) { return GetBridgeEnd(t, ReverseDiagDir(AxisToDiagDir(GetBridgeAxis(t)))); } TileIndex GetSouthernBridgeEnd(TileIndex t) { return GetBridgeEnd(t, AxisToDiagDir(GetBridgeAxis(t))); } TileIndex GetOtherBridgeEnd(TileIndex tile) { assert(IsBridgeTile(tile)); return GetBridgeEnd(tile, GetBridgeRampDirection(tile)); } uint GetBridgeHeight(TileIndex t) { uint h; Slope tileh = GetTileSlope(t, &h); uint f = GetBridgeFoundation(tileh, DiagDirToAxis(GetBridgeRampDirection(t))); /* one height level extra if the ramp is on a flat foundation */ return h + TILE_HEIGHT + (IS_INT_INSIDE(f, 1, 15) ? TILE_HEIGHT : 0) + (IsSteepSlope(tileh) ? TILE_HEIGHT : 0); }