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annotate src/misc_cmd.cpp @ 6943:fd42cb9816c6 draft

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(svn r10197) -Codechange: replace int32 with CommandCost where appropriate.
author rubidium <rubidium@openttd.org>
date Mon, 18 Jun 2007 10:48:15 +0000
parents 6d1b28e5f91f
children d2846442a133
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5584
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1 /* $Id$ */
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2
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3 /** @file misc_cmd.cpp */
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4
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5 #include "stdafx.h"
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6 #include "openttd.h"
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7 #include "functions.h"
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8 #include "string.h"
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9 #include "table/strings.h"
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10 #include "command.h"
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11 #include "player.h"
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12 #include "gfx.h"
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13 #include "window.h"
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14 #include "gui.h"
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15 #include "economy.h"
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16 #include "network/network.h"
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17 #include "variables.h"
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18 #include "livery.h"
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19 #include "player_face.h"
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20
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21 /** Change the player's face.
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22 * @param tile unused
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23 * @param flags operation to perform
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24 * @param p1 unused
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25 * @param p2 face bitmasked
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26 */
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27 CommandCost CmdSetPlayerFace(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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28 {
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29 PlayerFace pf = (PlayerFace)p2;
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30
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31 if (!IsValidPlayerFace(pf)) return CMD_ERROR;
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32
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33 if (flags & DC_EXEC) {
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34 GetPlayer(_current_player)->face = pf;
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35 MarkWholeScreenDirty();
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36 }
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37 return 0;
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38 }
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39
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40 /** Change the player's company-colour
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41 * @param tile unused
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42 * @param flags operation to perform
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43 * @param p1 bitstuffed:
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44 * p1 bits 0-7 scheme to set
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45 * p1 bits 8-9 set in use state or first/second colour
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46 * @param p2 new colour for vehicles, property, etc.
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47 */
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48 CommandCost CmdSetPlayerColor(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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49 {
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50 Player *p, *pp;
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51 byte colour;
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52 LiveryScheme scheme = (LiveryScheme)GB(p1, 0, 8);
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53 byte state = GB(p1, 8, 2);
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54
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55 if (p2 >= 16) return CMD_ERROR; // max 16 colours
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56 colour = p2;
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57
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58 if (scheme >= LS_END || state >= 3) return CMD_ERROR;
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59
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60 p = GetPlayer(_current_player);
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61
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62 /* Ensure no two companies have the same primary colour */
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63 if (scheme == LS_DEFAULT && state == 0) {
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64 FOR_ALL_PLAYERS(pp) {
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65 if (pp->is_active && pp != p && pp->player_color == colour) return CMD_ERROR;
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66 }
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67 }
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68
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69 if (flags & DC_EXEC) {
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70 switch (state) {
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71 case 0:
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72 p->livery[scheme].colour1 = colour;
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73
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74 /* If setting the first colour of the default scheme, adjust the
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75 * original and cached player colours too. */
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76 if (scheme == LS_DEFAULT) {
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77 _player_colors[_current_player] = colour;
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78 p->player_color = colour;
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79 }
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80 break;
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81
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82 case 1:
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83 p->livery[scheme].colour2 = colour;
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84 break;
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85
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86 case 2:
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87 p->livery[scheme].in_use = colour != 0;
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88
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89 /* Now handle setting the default scheme's in_use flag.
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90 * This is different to the other schemes, as it signifies if any
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91 * scheme is active at all. If this flag is not set, then no
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92 * processing of vehicle types occurs at all, and only the default
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93 * colours will be used. */
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94
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95 /* If enabling a scheme, set the default scheme to be in use too */
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96 if (colour != 0) {
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97 p->livery[LS_DEFAULT].in_use = true;
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98 break;
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99 }
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100
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101 /* Else loop through all schemes to see if any are left enabled.
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102 * If not, disable the default scheme too. */
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103 p->livery[LS_DEFAULT].in_use = false;
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104 for (scheme = LS_DEFAULT; scheme < LS_END; scheme++) {
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105 if (p->livery[scheme].in_use) {
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106 p->livery[LS_DEFAULT].in_use = true;
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107 break;
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108 }
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109 }
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parents:
diff changeset
110 break;
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parents:
diff changeset
111
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parents:
diff changeset
112 default:
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parents:
diff changeset
113 break;
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parents:
diff changeset
114 }
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parents:
diff changeset
115 MarkWholeScreenDirty();
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diff changeset
116 }
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diff changeset
117 return 0;
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parents:
diff changeset
118 }
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diff changeset
119
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diff changeset
120 /** Increase the loan of your company.
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121 * @param tile unused
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diff changeset
122 * @param flags operation to perform
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123 * @param p1 unused
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124 * @param p2 when 0: loans LOAN_INTERVAL
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125 * when 1: loans the maximum loan permitting money (press CTRL),
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126 */
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127 CommandCost CmdIncreaseLoan(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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128 {
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129 Player *p = GetPlayer(_current_player);
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130
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131 if (p->current_loan >= _economy.max_loan) {
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132 SetDParam(0, _economy.max_loan);
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133 return_cmd_error(STR_702B_MAXIMUM_PERMITTED_LOAN);
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134 }
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135
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diff changeset
136 int32 loan;
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diff changeset
137 switch (p2) {
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138 default: return CMD_ERROR; // Invalid method
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diff changeset
139 case 0: // Take some extra loan
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140 loan = (IsHumanPlayer(_current_player) || _patches.ainew_active) ? LOAN_INTERVAL : LOAN_INTERVAL_OLD_AI;
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diff changeset
141 break;
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diff changeset
142 case 1: // Take a loan as big as possible
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diff changeset
143 loan = _economy.max_loan - p->current_loan;
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diff changeset
144 break;
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diff changeset
145 }
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diff changeset
146
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147 if (flags & DC_EXEC) {
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148 p->money64 += loan;
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149 p->current_loan += loan;
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150 UpdatePlayerMoney32(p);
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151 InvalidatePlayerWindows(p);
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152 }
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153
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154 return 0;
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155 }
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156
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157 /** Decrease the loan of your company.
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158 * @param tile unused
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diff changeset
159 * @param flags operation to perform
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160 * @param p1 unused
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diff changeset
161 * @param p2 when 0: pays back LOAN_INTERVAL
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162 * when 1: pays back the maximum loan permitting money (press CTRL),
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diff changeset
163 */
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diff changeset
164 CommandCost CmdDecreaseLoan(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
5584
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165 {
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diff changeset
166 Player *p = GetPlayer(_current_player);
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167
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diff changeset
168 if (p->current_loan == 0) return_cmd_error(STR_702D_LOAN_ALREADY_REPAYED);
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diff changeset
169
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diff changeset
170 int32 loan;
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diff changeset
171 switch (p2) {
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diff changeset
172 default: return CMD_ERROR; // Invalid method
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diff changeset
173 case 0: // Pay back one step
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diff changeset
174 loan = min(p->current_loan, (IsHumanPlayer(_current_player) || _patches.ainew_active) ? LOAN_INTERVAL : LOAN_INTERVAL_OLD_AI);
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diff changeset
175 break;
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diff changeset
176 case 1: // Pay back as much as possible
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diff changeset
177 loan = max(min(p->current_loan, p->player_money), (int32)LOAN_INTERVAL);
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diff changeset
178 loan -= loan % LOAN_INTERVAL;
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diff changeset
179 break;
5584
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180 }
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181
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diff changeset
182 if (p->player_money < loan) {
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diff changeset
183 SetDParam(0, loan);
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diff changeset
184 return_cmd_error(STR_702E_REQUIRED);
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diff changeset
185 }
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diff changeset
186
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diff changeset
187 if (flags & DC_EXEC) {
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diff changeset
188 p->money64 -= loan;
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diff changeset
189 p->current_loan -= loan;
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diff changeset
190 UpdatePlayerMoney32(p);
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diff changeset
191 InvalidatePlayerWindows(p);
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diff changeset
192 }
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diff changeset
193 return 0;
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diff changeset
194 }
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diff changeset
195
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diff changeset
196 /** Change the name of the company.
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diff changeset
197 * @param tile unused
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diff changeset
198 * @param flags operation to perform
5584
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diff changeset
199 * @param p1 unused
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diff changeset
200 * @param p2 unused
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diff changeset
201 */
6943
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diff changeset
202 CommandCost CmdChangeCompanyName(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
5584
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diff changeset
203 {
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diff changeset
204 StringID str;
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diff changeset
205 Player *p;
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diff changeset
206
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diff changeset
207 if (_cmd_text[0] == '\0') return CMD_ERROR;
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diff changeset
208
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parents:
diff changeset
209 str = AllocateNameUnique(_cmd_text, 4);
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diff changeset
210 if (str == 0) return CMD_ERROR;
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parents:
diff changeset
211
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parents:
diff changeset
212 if (flags & DC_EXEC) {
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parents:
diff changeset
213 p = GetPlayer(_current_player);
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parents:
diff changeset
214 DeleteName(p->name_1);
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parents:
diff changeset
215 p->name_1 = str;
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parents:
diff changeset
216 MarkWholeScreenDirty();
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parents:
diff changeset
217 } else {
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KUDr <KUDr@openttd.org>
parents:
diff changeset
218 DeleteName(str);
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219 }
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220
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221 return 0;
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222 }
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223
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224 /** Change the name of the president.
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225 * @param tile unused
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226 * @param flags operation to perform
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227 * @param p1 unused
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228 * @param p2 unused
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229 */
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diff changeset
230 CommandCost CmdChangePresidentName(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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231 {
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232 StringID str;
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233 Player *p;
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234
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235 if (_cmd_text[0] == '\0') return CMD_ERROR;
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236
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237 str = AllocateNameUnique(_cmd_text, 4);
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238 if (str == 0) return CMD_ERROR;
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239
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240 if (flags & DC_EXEC) {
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241 p = GetPlayer(_current_player);
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242 DeleteName(p->president_name_1);
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243 p->president_name_1 = str;
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244
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245 if (p->name_1 == STR_SV_UNNAMED) {
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246 char buf[80];
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247
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248 snprintf(buf, lengthof(buf), "%s Transport", _cmd_text);
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249 _cmd_text = buf;
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250 DoCommand(0, 0, 0, DC_EXEC, CMD_CHANGE_COMPANY_NAME);
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251 }
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252 MarkWholeScreenDirty();
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253 } else {
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254 DeleteName(str);
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255 }
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256
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257 return 0;
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258 }
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259
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260 /** Pause/Unpause the game (server-only).
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261 * Increase or decrease the pause counter. If the counter is zero,
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262 * the game is unpaused. A counter is used instead of a boolean value
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263 * to have more control over the game when saving/loading, etc.
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264 * @param tile unused
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265 * @param flags operation to perform
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266 * @param p1 0 = decrease pause counter; 1 = increase pause counter
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267 * @param p2 unused
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268 */
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269 CommandCost CmdPause(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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270 {
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271 if (flags & DC_EXEC) {
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272 _pause_game += (p1 == 1) ? 1 : -1;
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273 if (_pause_game == (byte)-1) _pause_game = 0;
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274 InvalidateWindow(WC_STATUS_BAR, 0);
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275 InvalidateWindow(WC_MAIN_TOOLBAR, 0);
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276 }
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277 return 0;
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278 }
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279
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280 /** Change the financial flow of your company.
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281 * This is normally only enabled in offline mode, but if there is a debug
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282 * build, you can cheat (to test).
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283 * @param tile unused
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284 * @param flags operation to perform
5584
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285 * @param p1 the amount of money to receive (if negative), or spend (if positive)
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286 * @param p2 unused
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287 */
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288 CommandCost CmdMoneyCheat(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
5584
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289 {
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290 #ifndef _DEBUG
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291 if (_networking) return CMD_ERROR;
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292 #endif
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293 SET_EXPENSES_TYPE(EXPENSES_OTHER);
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294 return -(int32)p1;
5584
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295 }
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296
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297 /** Transfer funds (money) from one player to another.
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298 * To prevent abuse in multiplayer games you can only send money to other
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299 * players if you have paid off your loan (either explicitely, or implicitely
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300 * given the fact that you have more money than loan).
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301 * @param tile unused
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302 * @param flags operation to perform
5584
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303 * @param p1 the amount of money to transfer; max 20.000.000
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304 * @param p2 the player to transfer the money to
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305 */
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diff changeset
306 CommandCost CmdGiveMoney(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
5584
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diff changeset
307 {
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diff changeset
308 const Player *p = GetPlayer(_current_player);
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diff changeset
309 CommandCost amount = min((int32)p1, 20000000);
5584
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310
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311 SET_EXPENSES_TYPE(EXPENSES_OTHER);
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312
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313 /* You can only transfer funds that is in excess of your loan */
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diff changeset
314 if (p->money64 - p->current_loan < amount || amount <= 0) return CMD_ERROR;
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diff changeset
315 if (!_networking || !IsValidPlayer((PlayerID)p2)) return CMD_ERROR;
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316
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diff changeset
317 if (flags & DC_EXEC) {
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318 /* Add money to player */
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diff changeset
319 PlayerID old_cp = _current_player;
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diff changeset
320 _current_player = (PlayerID)p2;
5584
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321 SubtractMoneyFromPlayer(-amount);
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diff changeset
322 _current_player = old_cp;
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323 }
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diff changeset
324
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diff changeset
325 /* Subtract money from local-player */
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diff changeset
326 return amount;
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diff changeset
327 }
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KUDr <KUDr@openttd.org>
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328
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329 /** Change difficulty level/settings (server-only).
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330 * We cannot really check for valid values of p2 (too much work mostly); stored
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331 * in file 'settings_gui.c' _game_setting_info[]; we'll just trust the server it knows
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332 * what to do and does this correctly
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333 * @param tile unused
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belugas <belugas@openttd.org>
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334 * @param flags operation to perform
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335 * @param p1 the difficulty setting being changed. If it is -1, the difficulty level
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336 * itself is changed. The new value is inside p2
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337 * @param p2 new value for a difficulty setting or difficulty level
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338 */
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rubidium <rubidium@openttd.org>
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339 CommandCost CmdChangeDifficultyLevel(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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340 {
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341 if (p1 != (uint32)-1L && ((int32)p1 >= GAME_DIFFICULTY_NUM || (int32)p1 < 0)) return CMD_ERROR;
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342
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343 if (flags & DC_EXEC) {
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344 if (p1 != (uint32)-1L) {
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345 ((int*)&_opt_ptr->diff)[p1] = p2;
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346 _opt_ptr->diff_level = 3; // custom difficulty level
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347 } else {
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348 _opt_ptr->diff_level = p2;
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349 }
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350
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KUDr <KUDr@openttd.org>
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351 /* If we are a network-client, update the difficult setting (if it is open).
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KUDr <KUDr@openttd.org>
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352 * Use this instead of just dirtying the window because we need to load in
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353 * the new difficulty settings */
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354 if (_networking && !_network_server && FindWindowById(WC_GAME_OPTIONS, 0) != NULL)
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355 ShowGameDifficulty();
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356 }
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357 return 0;
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358 }