00001
00002
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "clear_map.h"
00008 #include "command_func.h"
00009 #include "landscape.h"
00010 #include "variables.h"
00011 #include "genworld.h"
00012 #include "industry.h"
00013 #include "functions.h"
00014 #include "economy_func.h"
00015 #include "viewport_func.h"
00016 #include "water.h"
00017 #include "settings_type.h"
00018
00019 #include "table/strings.h"
00020 #include "table/sprites.h"
00021 #include "table/clear_land.h"
00022
00023 static CommandCost ClearTile_Clear(TileIndex tile, DoCommandFlag flags)
00024 {
00025 static const Money *clear_price_table[] = {
00026 &_price.clear_grass,
00027 &_price.clear_roughland,
00028 &_price.clear_rocks,
00029 &_price.clear_fields,
00030 &_price.clear_roughland,
00031 &_price.clear_roughland,
00032 };
00033 CommandCost price(EXPENSES_CONSTRUCTION);
00034
00035 if (!IsClearGround(tile, CLEAR_GRASS) || GetClearDensity(tile) != 0) {
00036 price.AddCost(*clear_price_table[GetClearGround(tile)]);
00037 }
00038
00039 if (flags & DC_EXEC) DoClearSquare(tile);
00040
00041 return price;
00042 }
00043
00044 void DrawClearLandTile(const TileInfo *ti, byte set)
00045 {
00046 DrawGroundSprite(SPR_FLAT_BARE_LAND + _tileh_to_sprite[ti->tileh] + set * 19, PAL_NONE);
00047 }
00048
00049 void DrawHillyLandTile(const TileInfo *ti)
00050 {
00051 if (ti->tileh != SLOPE_FLAT) {
00052 DrawGroundSprite(SPR_FLAT_ROUGH_LAND + _tileh_to_sprite[ti->tileh], PAL_NONE);
00053 } else {
00054 DrawGroundSprite(_landscape_clear_sprites[GB(ti->x ^ ti->y, 4, 3)], PAL_NONE);
00055 }
00056 }
00057
00058 void DrawClearLandFence(const TileInfo *ti)
00059 {
00060 byte z = ti->z;
00061
00062 if (ti->tileh & SLOPE_S) {
00063 z += TILE_HEIGHT;
00064 if (ti->tileh == SLOPE_STEEP_S) z += TILE_HEIGHT;
00065 }
00066
00067 if (GetFenceSW(ti->tile) != 0) {
00068 DrawGroundSpriteAt(_clear_land_fence_sprites_1[GetFenceSW(ti->tile) - 1] + _fence_mod_by_tileh[ti->tileh], PAL_NONE, ti->x, ti->y, z);
00069 }
00070
00071 if (GetFenceSE(ti->tile) != 0) {
00072 DrawGroundSpriteAt(_clear_land_fence_sprites_1[GetFenceSE(ti->tile) - 1] + _fence_mod_by_tileh_2[ti->tileh], PAL_NONE, ti->x, ti->y, z);
00073 }
00074 }
00075
00076 static void DrawTile_Clear(TileInfo *ti)
00077 {
00078 switch (GetClearGround(ti->tile)) {
00079 case CLEAR_GRASS:
00080 DrawClearLandTile(ti, GetClearDensity(ti->tile));
00081 break;
00082
00083 case CLEAR_ROUGH:
00084 DrawHillyLandTile(ti);
00085 break;
00086
00087 case CLEAR_ROCKS:
00088 DrawGroundSprite(SPR_FLAT_ROCKY_LAND_1 + _tileh_to_sprite[ti->tileh], PAL_NONE);
00089 break;
00090
00091 case CLEAR_FIELDS:
00092 DrawGroundSprite(_clear_land_sprites_1[GetFieldType(ti->tile)] + _tileh_to_sprite[ti->tileh], PAL_NONE);
00093 break;
00094
00095 case CLEAR_SNOW:
00096 DrawGroundSprite(_clear_land_sprites_2[GetClearDensity(ti->tile)] + _tileh_to_sprite[ti->tileh], PAL_NONE);
00097 break;
00098
00099 case CLEAR_DESERT:
00100 DrawGroundSprite(_clear_land_sprites_3[GetClearDensity(ti->tile)] + _tileh_to_sprite[ti->tileh], PAL_NONE);
00101 break;
00102 }
00103
00104 DrawClearLandFence(ti);
00105 DrawBridgeMiddle(ti);
00106 }
00107
00108 static uint GetSlopeZ_Clear(TileIndex tile, uint x, uint y)
00109 {
00110 uint z;
00111 Slope tileh = GetTileSlope(tile, &z);
00112
00113 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00114 }
00115
00116 static Foundation GetFoundation_Clear(TileIndex tile, Slope tileh)
00117 {
00118 return FOUNDATION_NONE;
00119 }
00120
00121 static void GetAcceptedCargo_Clear(TileIndex tile, AcceptedCargo ac)
00122 {
00123
00124 }
00125
00126 void TileLoopClearHelper(TileIndex tile)
00127 {
00128 byte self;
00129 byte neighbour;
00130 TileIndex dirty = INVALID_TILE;
00131
00132 self = (IsTileType(tile, MP_CLEAR) && IsClearGround(tile, CLEAR_FIELDS));
00133
00134 neighbour = (IsTileType(TILE_ADDXY(tile, 1, 0), MP_CLEAR) && IsClearGround(TILE_ADDXY(tile, 1, 0), CLEAR_FIELDS));
00135 if (GetFenceSW(tile) == 0) {
00136 if (self != neighbour) {
00137 SetFenceSW(tile, 3);
00138 dirty = tile;
00139 }
00140 } else {
00141 if (self == 0 && neighbour == 0) {
00142 SetFenceSW(tile, 0);
00143 dirty = tile;
00144 }
00145 }
00146
00147 neighbour = (IsTileType(TILE_ADDXY(tile, 0, 1), MP_CLEAR) && IsClearGround(TILE_ADDXY(tile, 0, 1), CLEAR_FIELDS));
00148 if (GetFenceSE(tile) == 0) {
00149 if (self != neighbour) {
00150 SetFenceSE(tile, 3);
00151 dirty = tile;
00152 }
00153 } else {
00154 if (self == 0 && neighbour == 0) {
00155 SetFenceSE(tile, 0);
00156 dirty = tile;
00157 }
00158 }
00159
00160 if (dirty != INVALID_TILE) MarkTileDirtyByTile(dirty);
00161 }
00162
00163
00164
00165 static void TileLoopClearAlps(TileIndex tile)
00166 {
00167 int k = GetTileZ(tile) - GetSnowLine() + TILE_HEIGHT;
00168
00169 if (k < 0) {
00170 if (!IsClearGround(tile, CLEAR_SNOW)) return;
00171 if (GetClearDensity(tile) == 0) SetClearGroundDensity(tile, CLEAR_GRASS, 3);
00172 } else {
00173 if (!IsClearGround(tile, CLEAR_SNOW)) {
00174 SetClearGroundDensity(tile, CLEAR_SNOW, 0);
00175 } else {
00176 uint density = min((uint)k / TILE_HEIGHT, 3);
00177
00178 if (GetClearDensity(tile) < density) {
00179 AddClearDensity(tile, 1);
00180 } else if (GetClearDensity(tile) > density) {
00181 AddClearDensity(tile, -1);
00182 } else {
00183 return;
00184 }
00185 }
00186 }
00187
00188 MarkTileDirtyByTile(tile);
00189 }
00190
00191 static void TileLoopClearDesert(TileIndex tile)
00192 {
00193 if (IsClearGround(tile, CLEAR_DESERT)) return;
00194
00195 if (GetTropicZone(tile) == TROPICZONE_DESERT) {
00196 SetClearGroundDensity(tile, CLEAR_DESERT, 3);
00197 } else {
00198 if (GetTropicZone(tile + TileDiffXY( 1, 0)) != TROPICZONE_DESERT &&
00199 GetTropicZone(tile + TileDiffXY(-1, 0)) != TROPICZONE_DESERT &&
00200 GetTropicZone(tile + TileDiffXY( 0, 1)) != TROPICZONE_DESERT &&
00201 GetTropicZone(tile + TileDiffXY( 0, -1)) != TROPICZONE_DESERT)
00202 return;
00203 SetClearGroundDensity(tile, CLEAR_DESERT, 1);
00204 }
00205
00206 MarkTileDirtyByTile(tile);
00207 }
00208
00209 static void TileLoop_Clear(TileIndex tile)
00210 {
00211
00212 if (_settings_game.construction.freeform_edges && DistanceFromEdge(tile) == 1) {
00213 uint z;
00214 Slope slope = GetTileSlope(tile, &z);
00215 if (z == 0 && slope == SLOPE_FLAT) {
00216 DoFloodTile(tile);
00217 MarkTileDirtyByTile(tile);
00218 return;
00219 }
00220 }
00221 TileLoopClearHelper(tile);
00222
00223 switch (_settings_game.game_creation.landscape) {
00224 case LT_TROPIC: TileLoopClearDesert(tile); break;
00225 case LT_ARCTIC: TileLoopClearAlps(tile); break;
00226 }
00227
00228 switch (GetClearGround(tile)) {
00229 case CLEAR_GRASS:
00230 if (GetClearDensity(tile) == 3) return;
00231
00232 if (_game_mode != GM_EDITOR) {
00233 if (GetClearCounter(tile) < 7) {
00234 AddClearCounter(tile, 1);
00235 return;
00236 } else {
00237 SetClearCounter(tile, 0);
00238 AddClearDensity(tile, 1);
00239 }
00240 } else {
00241 SetClearGroundDensity(tile, GB(Random(), 0, 8) > 21 ? CLEAR_GRASS : CLEAR_ROUGH, 3);
00242 }
00243 break;
00244
00245 case CLEAR_FIELDS: {
00246 uint field_type;
00247
00248 if (_game_mode == GM_EDITOR) return;
00249
00250 if (GetClearCounter(tile) < 7) {
00251 AddClearCounter(tile, 1);
00252 return;
00253 } else {
00254 SetClearCounter(tile, 0);
00255 }
00256
00257 if (GetIndustryIndexOfField(tile) == INVALID_INDUSTRY && GetFieldType(tile) >= 7) {
00258
00259 MakeClear(tile, CLEAR_GRASS, 2);
00260 } else {
00261 field_type = GetFieldType(tile);
00262 field_type = (field_type < 8) ? field_type + 1 : 0;
00263 SetFieldType(tile, field_type);
00264 }
00265 break;
00266 }
00267
00268 default:
00269 return;
00270 }
00271
00272 MarkTileDirtyByTile(tile);
00273 }
00274
00275 void GenerateClearTile()
00276 {
00277 uint i, gi;
00278 TileIndex tile;
00279
00280
00281 i = ScaleByMapSize(GB(Random(), 0, 10) + 0x400);
00282 gi = ScaleByMapSize(GB(Random(), 0, 7) + 0x80);
00283
00284 SetGeneratingWorldProgress(GWP_ROUGH_ROCKY, gi + i);
00285 do {
00286 IncreaseGeneratingWorldProgress(GWP_ROUGH_ROCKY);
00287 tile = RandomTile();
00288 if (IsTileType(tile, MP_CLEAR) && !IsClearGround(tile, CLEAR_DESERT)) SetClearGroundDensity(tile, CLEAR_ROUGH, 3);
00289 } while (--i);
00290
00291
00292 i = gi;
00293 do {
00294 uint32 r = Random();
00295 tile = RandomTileSeed(r);
00296
00297 IncreaseGeneratingWorldProgress(GWP_ROUGH_ROCKY);
00298 if (IsTileType(tile, MP_CLEAR) && !IsClearGround(tile, CLEAR_DESERT)) {
00299 uint j = GB(r, 16, 4) + 5;
00300 for (;;) {
00301 TileIndex tile_new;
00302
00303 SetClearGroundDensity(tile, CLEAR_ROCKS, 3);
00304 do {
00305 if (--j == 0) goto get_out;
00306 tile_new = tile + TileOffsByDiagDir((DiagDirection)GB(Random(), 0, 2));
00307 } while (!IsTileType(tile_new, MP_CLEAR) || IsClearGround(tile_new, CLEAR_DESERT));
00308 tile = tile_new;
00309 }
00310 get_out:;
00311 }
00312 } while (--i);
00313 }
00314
00315 static TrackStatus GetTileTrackStatus_Clear(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00316 {
00317 return 0;
00318 }
00319
00320 static const StringID _clear_land_str[] = {
00321 STR_080D_GRASS,
00322 STR_080B_ROUGH_LAND,
00323 STR_080A_ROCKS,
00324 STR_080E_FIELDS,
00325 STR_080F_SNOW_COVERED_LAND,
00326 STR_0810_DESERT
00327 };
00328
00329 static void GetTileDesc_Clear(TileIndex tile, TileDesc *td)
00330 {
00331 if (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) == 0) {
00332 td->str = STR_080C_BARE_LAND;
00333 } else {
00334 td->str = _clear_land_str[GetClearGround(tile)];
00335 }
00336 td->owner[0] = GetTileOwner(tile);
00337 }
00338
00339 static void ChangeTileOwner_Clear(TileIndex tile, Owner old_owner, Owner new_owner)
00340 {
00341 return;
00342 }
00343
00344 void InitializeClearLand()
00345 {
00346 _settings_game.game_creation.snow_line = _settings_game.game_creation.snow_line_height * TILE_HEIGHT;
00347 }
00348
00349 static CommandCost TerraformTile_Clear(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00350 {
00351 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00352 }
00353
00354 extern const TileTypeProcs _tile_type_clear_procs = {
00355 DrawTile_Clear,
00356 GetSlopeZ_Clear,
00357 ClearTile_Clear,
00358 GetAcceptedCargo_Clear,
00359 GetTileDesc_Clear,
00360 GetTileTrackStatus_Clear,
00361 NULL,
00362 NULL,
00363 TileLoop_Clear,
00364 ChangeTileOwner_Clear,
00365 NULL,
00366 NULL,
00367 GetFoundation_Clear,
00368 TerraformTile_Clear,
00369 };