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annotate src/functions.h @ 5668:3d6d9bff3dd8 draft

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(svn r8128) -Codechange: Split sprite and palette remap into separate 32 bit values. This lets us increase the sprite width from 14 to up to 29 bits, effectively nulling the old sprite limit. Table changes in next commit.
author peter1138 <peter1138@openttd.org>
date Sun, 14 Jan 2007 19:57:49 +0000
parents 3af2c7ad8c2f
children e3e61b92574b
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1 /* $Id$ */
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2
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3 #ifndef FUNCTIONS_H
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4 #define FUNCTIONS_H
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5
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6 #include "gfx.h"
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7
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8 void DoClearSquare(TileIndex tile);
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9 void RunTileLoop(void);
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10
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11 uint GetPartialZ(int x, int y, Slope corners);
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12 uint GetSlopeZ(int x, int y);
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13 uint32 GetTileTrackStatus(TileIndex tile, TransportType mode);
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14 void GetAcceptedCargo(TileIndex tile, AcceptedCargo ac);
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15 void ChangeTileOwner(TileIndex tile, PlayerID old_player, PlayerID new_player);
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16 void AnimateTile(TileIndex tile);
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17 void ClickTile(TileIndex tile);
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18 void GetTileDesc(TileIndex tile, TileDesc *td);
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19 void UpdateTownMaxPass(Town *t);
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20
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21 bool IsValidTile(TileIndex tile);
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22
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23 static inline Point RemapCoords(int x, int y, int z)
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24 {
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25 Point pt;
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26 pt.x = (y - x) * 2;
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27 pt.y = y + x - z;
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28 return pt;
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29 }
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30
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31 static inline Point RemapCoords2(int x, int y)
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32 {
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33 return RemapCoords(x, y, GetSlopeZ(x, y));
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34 }
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35
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36
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37 /* clear_land.c */
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38 void DrawHillyLandTile(const TileInfo *ti);
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39 void DrawClearLandTile(const TileInfo *ti, byte set);
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40 void DrawClearLandFence(const TileInfo *ti);
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41 void TileLoopClearHelper(TileIndex tile);
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42
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43 /* water_land.c */
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44 void DrawShipDepotSprite(int x, int y, int image);
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45 void TileLoop_Water(TileIndex tile);
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46
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47 /* players.c */
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48 bool CheckPlayerHasMoney(int32 cost);
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49 void SubtractMoneyFromPlayer(int32 cost);
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50 void SubtractMoneyFromPlayerFract(PlayerID player, int32 cost);
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51 bool CheckOwnership(Owner owner);
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52 bool CheckTileOwnership(TileIndex tile);
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53 StringID GetPlayerNameString(PlayerID player, uint index);
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54
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55 /* standard */
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56 void ShowInfo(const char *str);
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57 void CDECL ShowInfoF(const char *str, ...);
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58 void NORETURN CDECL error(const char *str, ...);
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59
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60 /* openttd.c */
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61
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62 /**************
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63 * Warning: DO NOT enable this unless you understand what it does
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64 *
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65 * If enabled, in a network game all randoms will be dumped to the
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66 * stdout if the first client joins (or if you are a client). This
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67 * is to help finding desync problems.
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68 *
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69 * Warning: DO NOT enable this unless you understand what it does
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70 **************/
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71
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72 //#define RANDOM_DEBUG
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73
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74
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75 // Enable this to produce higher quality random numbers.
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76 // Doesn't work with network yet.
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77 //#define MERSENNE_TWISTER
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78
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79 // Mersenne twister functions
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80 void SeedMT(uint32 seed);
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81 uint32 RandomMT(void);
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82
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83
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84 #ifdef MERSENNE_TWISTER
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85 static inline uint32 Random(void) { return RandomMT(); }
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86 uint RandomRange(uint max);
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87 #else
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88
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89 #ifdef RANDOM_DEBUG
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90 #define Random() DoRandom(__LINE__, __FILE__)
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91 uint32 DoRandom(int line, const char *file);
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92 #define RandomRange(max) DoRandomRange(max, __LINE__, __FILE__)
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93 uint DoRandomRange(uint max, int line, const char *file);
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94 #else
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95 uint32 Random(void);
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96 uint RandomRange(uint max);
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97 #endif
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98 #endif // MERSENNE_TWISTER
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99
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100 static inline TileIndex RandomTileSeed(uint32 r) { return TILE_MASK(r); }
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101 static inline TileIndex RandomTile(void) { return TILE_MASK(Random()); }
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102
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103
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104 uint32 InteractiveRandom(void); /* Used for random sequences that are not the same on the other end of the multiplayer link */
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105 uint InteractiveRandomRange(uint max);
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106
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107 /* facedraw.c */
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108 void DrawPlayerFace(uint32 face, int color, int x, int y);
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109
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110 /* texteff.c */
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111 void MoveAllTextEffects(void);
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112 void AddTextEffect(StringID msg, int x, int y, uint16 duration);
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113 void InitTextEffects(void);
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114 void DrawTextEffects(DrawPixelInfo *dpi);
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115
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116 void InitTextMessage(void);
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117 void DrawTextMessage(void);
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118 void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...);
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119 void UndrawTextMessage(void);
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120
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121 bool AddAnimatedTile(TileIndex tile);
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122 void DeleteAnimatedTile(TileIndex tile);
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123 void AnimateAnimatedTiles(void);
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124 void InitializeAnimatedTiles(void);
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125
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126 /* tunnelbridge_cmd.c */
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127 bool CheckBridge_Stuff(byte bridge_type, uint bridge_len);
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128 uint32 GetBridgeLength(TileIndex begin, TileIndex end);
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129 int CalcBridgeLenCostFactor(int x);
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130
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131 /* misc_cmd.c */
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132 void PlaceTreesRandomly(void);
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133
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134 void InitializeLandscapeVariables(bool only_constants);
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135
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136 /* misc.c */
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137 bool IsCustomName(StringID id);
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138 void DeleteName(StringID id);
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139 char *GetName(char *buff, StringID id, const char* last);
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140
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141 // AllocateNameUnique also tests if the name used is not used anywere else
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142 // and if it is used, it returns an error.
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143 #define AllocateNameUnique(name, skip) RealAllocateName(name, skip, true)
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144 #define AllocateName(name, skip) RealAllocateName(name, skip, false)
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145 StringID RealAllocateName(const char *name, byte skip, bool check_double);
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146 void ConvertNameArray(void);
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147
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148 /* misc functions */
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149 void MarkTileDirty(int x, int y);
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150 void MarkTileDirtyByTile(TileIndex tile);
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151 void InvalidateWindow(WindowClass cls, WindowNumber number);
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152 void InvalidateWindowWidget(WindowClass cls, WindowNumber number, byte widget_index);
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153 void InvalidateWindowClasses(WindowClass cls);
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154 void InvalidateWindowClassesData(WindowClass cls);
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155 void DeleteWindowById(WindowClass cls, WindowNumber number);
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156 void DeleteWindowByClass(WindowClass cls);
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157
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158 void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, byte mode, Window *w);
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159 void SetObjectToPlace(CursorID icon, SpriteID pal, byte mode, WindowClass window_class, WindowNumber window_num);
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160
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161 void ResetObjectToPlace(void);
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162
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163 bool ScrollWindowTo(int x, int y, Window * w);
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164
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165 bool ScrollMainWindowToTile(TileIndex tile);
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166 bool ScrollMainWindowTo(int x, int y);
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167 void DrawSprite(SpriteID img, SpriteID pal, int x, int y);
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168 bool EnsureNoVehicle(TileIndex tile);
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169 bool EnsureNoVehicleOnGround(TileIndex tile);
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170 void MarkAllViewportsDirty(int left, int top, int right, int bottom);
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171 void ShowCostOrIncomeAnimation(int x, int y, int z, int32 cost);
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172 void ShowFeederIncomeAnimation(int x, int y, int z, int32 cost);
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173
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174 void DrawFoundation(TileInfo *ti, uint f);
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175
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176 bool CheckIfAuthorityAllows(TileIndex tile);
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177 Town *ClosestTownFromTile(TileIndex tile, uint threshold);
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178 void ChangeTownRating(Town *t, int add, int max);
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179
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180 uint GetTownRadiusGroup(const Town* t, TileIndex tile);
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181 int FindFirstBit(uint32 x);
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182 void ShowHighscoreTable(int difficulty, int8 rank);
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183 TileIndex AdjustTileCoordRandomly(TileIndex a, byte rng);
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184
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185 void AfterLoadTown(void);
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186 void UpdatePatches(void);
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187 void AskExitGame(void);
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188 void AskExitToGameMenu(void);
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189
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190 void RedrawAutosave(void);
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191
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192 StringID RemapOldStringID(StringID s);
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193
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194 void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str);
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195
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196 enum {
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197 SLD_LOAD_GAME,
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198 SLD_LOAD_SCENARIO,
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199 SLD_SAVE_GAME,
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200 SLD_SAVE_SCENARIO,
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201 SLD_LOAD_HEIGHTMAP,
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202 SLD_NEW_GAME,
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203 };
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204 void ShowSaveLoadDialog(int mode);
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205
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206 // callback from drivers that is called if the game size changes dynamically
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207 void GameSizeChanged(void);
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208 bool FileExists(const char *filename);
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209 bool ReadLanguagePack(int index);
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210 void InitializeLanguagePacks(void);
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211 const char *GetCurrentLocale(const char *param);
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212 void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize);
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213
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214 void LoadFromConfig(void);
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215 void SaveToConfig(void);
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216 void CheckConfig(void);
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217 int ttd_main(int argc, char* argv[]);
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218 void HandleExitGameRequest(void);
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219
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220 void DeterminePaths(void);
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221
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222 #endif /* FUNCTIONS_H */