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00012 #include "stdafx.h"
00013 #include "variables.h"
00014 #include "debug.h"
00015 #include "viewport_func.h"
00016 #include "landscape.h"
00017 #include "newgrf.h"
00018 #include "newgrf_commons.h"
00019 #include "newgrf_industries.h"
00020 #include "newgrf_industrytiles.h"
00021 #include "newgrf_sound.h"
00022 #include "newgrf_text.h"
00023 #include "industry.h"
00024 #include "functions.h"
00025 #include "town.h"
00026 #include "command_func.h"
00027 #include "animated_tile_func.h"
00028 #include "water.h"
00029 #include "sprite.h"
00030
00031 #include "table/strings.h"
00032
00041 uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index, bool signed_offsets)
00042 {
00043 if (parameter != 0) tile = GetNearbyTile(parameter, tile, signed_offsets);
00044 bool is_same_industry = (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == index);
00045
00046 return GetNearbyTileInformation(tile) | (is_same_industry ? 1 : 0) << 8;
00047 }
00048
00059 static uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile)
00060 {
00061 byte x = TileX(tile) - TileX(ind_tile);
00062 byte y = TileY(tile) - TileY(ind_tile);
00063
00064 return ((y & 0xF) << 20) | ((x & 0xF) << 16) | (y << 8) | x;
00065 }
00066
00067 static uint32 IndustryTileGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00068 {
00069 const Industry *inds = object->u.industry.ind;
00070 TileIndex tile = object->u.industry.tile;
00071
00072 if (object->scope == VSG_SCOPE_PARENT) {
00073 return IndustryGetVariable(object, variable, parameter, available);
00074 }
00075
00076 switch (variable) {
00077
00078 case 0x40: return (IsTileType(tile, MP_INDUSTRY)) ? GetIndustryConstructionStage(tile) : 0;
00079
00080
00081 case 0x41: return GetTerrainType(tile);
00082
00083
00084 case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), tile);
00085
00086
00087 case 0x43: return GetRelativePosition(tile, inds->location.tile);
00088
00089
00090 case 0x44: return (IsTileType(tile, MP_INDUSTRY)) ? GetIndustryAnimationState(tile) : 0;
00091
00092
00093 case 0x60: return GetNearbyIndustryTileInformation(parameter, tile, inds == NULL ? (IndustryID)INVALID_INDUSTRY : inds->index);
00094
00095
00096 case 0x61:
00097 tile = GetNearbyTile(parameter, tile);
00098 if (IsTileType(tile, MP_INDUSTRY) && Industry::GetByTile(tile) == inds) {
00099 return GetIndustryAnimationState(tile);
00100 }
00101 return UINT_MAX;
00102
00103
00104 case 0x62: return GetIndustryIDAtOffset(GetNearbyTile(parameter, tile), inds, object->grffile->grfid);
00105 }
00106
00107 DEBUG(grf, 1, "Unhandled industry tile property 0x%X", variable);
00108
00109 *available = false;
00110 return UINT_MAX;
00111 }
00112
00113 static const SpriteGroup *IndustryTileResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00114 {
00115
00116 return NULL;
00117 }
00118
00119 static uint32 IndustryTileGetRandomBits(const ResolverObject *object)
00120 {
00121 const TileIndex tile = object->u.industry.tile;
00122 const Industry *ind = object->u.industry.ind;
00123 assert(ind != NULL && IsValidTile(tile));
00124 assert(ind->index == INVALID_INDUSTRY || IsTileType(tile, MP_INDUSTRY));
00125
00126 return (object->scope == VSG_SCOPE_SELF) ?
00127 (ind->index != INVALID_INDUSTRY ? GetIndustryRandomBits(tile) : 0) :
00128 ind->random;
00129 }
00130
00131 static uint32 IndustryTileGetTriggers(const ResolverObject *object)
00132 {
00133 const TileIndex tile = object->u.industry.tile;
00134 const Industry *ind = object->u.industry.ind;
00135 assert(ind != NULL && IsValidTile(tile));
00136 assert(ind->index == INVALID_INDUSTRY || IsTileType(tile, MP_INDUSTRY));
00137 if (ind->index == INVALID_INDUSTRY) return 0;
00138 return (object->scope == VSG_SCOPE_SELF) ? GetIndustryTriggers(tile) : ind->random_triggers;
00139 }
00140
00141 static void IndustryTileSetTriggers(const ResolverObject *object, int triggers)
00142 {
00143 const TileIndex tile = object->u.industry.tile;
00144 Industry *ind = object->u.industry.ind;
00145 assert(ind != NULL && ind->index != INVALID_INDUSTRY && IsValidTile(tile) && IsTileType(tile, MP_INDUSTRY));
00146
00147 if (object->scope == VSG_SCOPE_SELF) {
00148 SetIndustryTriggers(tile, triggers);
00149 } else {
00150 ind->random_triggers = triggers;
00151 }
00152 }
00153
00154 static void NewIndustryTileResolver(ResolverObject *res, IndustryGfx gfx, TileIndex tile, Industry *indus)
00155 {
00156 res->GetRandomBits = IndustryTileGetRandomBits;
00157 res->GetTriggers = IndustryTileGetTriggers;
00158 res->SetTriggers = IndustryTileSetTriggers;
00159 res->GetVariable = IndustryTileGetVariable;
00160 res->ResolveReal = IndustryTileResolveReal;
00161
00162 res->psa = &indus->psa;
00163 res->u.industry.tile = tile;
00164 res->u.industry.ind = indus;
00165 res->u.industry.gfx = gfx;
00166 res->u.industry.type = indus->type;
00167
00168 res->callback = CBID_NO_CALLBACK;
00169 res->callback_param1 = 0;
00170 res->callback_param2 = 0;
00171 res->last_value = 0;
00172 res->trigger = 0;
00173 res->reseed = 0;
00174 res->count = 0;
00175
00176 const IndustryTileSpec *its = GetIndustryTileSpec(gfx);
00177 res->grffile = (its != NULL ? its->grf_prop.grffile : NULL);
00178 }
00179
00180 static void IndustryDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte rnd_colour, byte stage, IndustryGfx gfx)
00181 {
00182 const DrawTileSprites *dts = group->dts;
00183
00184 SpriteID image = dts->ground.sprite;
00185 PaletteID pal = dts->ground.pal;
00186
00187 if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) image += stage;
00188
00189 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00190
00191
00192 if (image == SPR_FLAT_WATER_TILE && IsIndustryTileOnWater(ti->tile)) {
00193 DrawWaterClassGround(ti);
00194 } else {
00195 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(rnd_colour)));
00196 }
00197 }
00198
00199 DrawNewGRFTileSeq(ti, dts, TO_INDUSTRIES, stage, GENERAL_SPRITE_COLOUR(rnd_colour));
00200 }
00201
00202 uint16 GetIndustryTileCallback(CallbackID callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile)
00203 {
00204 ResolverObject object;
00205 const SpriteGroup *group;
00206
00207 assert(industry != NULL && IsValidTile(tile));
00208 assert(industry->index == INVALID_INDUSTRY || IsTileType(tile, MP_INDUSTRY));
00209
00210 NewIndustryTileResolver(&object, gfx_id, tile, industry);
00211 object.callback = callback;
00212 object.callback_param1 = param1;
00213 object.callback_param2 = param2;
00214
00215 group = SpriteGroup::Resolve(GetIndustryTileSpec(gfx_id)->grf_prop.spritegroup, &object);
00216 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
00217
00218 return group->GetCallbackResult();
00219 }
00220
00221 bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const IndustryTileSpec *inds)
00222 {
00223 const SpriteGroup *group;
00224 ResolverObject object;
00225
00226 if (ti->tileh != SLOPE_FLAT) {
00227 bool draw_old_one = true;
00228 if (HasBit(inds->callback_mask, CBM_INDT_DRAW_FOUNDATIONS)) {
00229
00230 uint32 callback_res = GetIndustryTileCallback(CBID_INDUSTRY_DRAW_FOUNDATIONS, 0, 0, gfx, i, ti->tile);
00231 draw_old_one = (callback_res != 0);
00232 }
00233
00234 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00235 }
00236
00237 NewIndustryTileResolver(&object, gfx, ti->tile, i);
00238
00239 group = SpriteGroup::Resolve(inds->grf_prop.spritegroup, &object);
00240 if (group == NULL || group->type != SGT_TILELAYOUT) {
00241 return false;
00242 } else {
00243
00244 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00245 byte stage = GetIndustryConstructionStage(ti->tile);
00246 stage = Clamp(stage - 4 + tlgroup->num_building_stages, 0, tlgroup->num_building_stages - 1);
00247 IndustryDrawTileLayout(ti, tlgroup, i->random_colour, stage, gfx);
00248 return true;
00249 }
00250 }
00251
00252 extern bool IsSlopeRefused(Slope current, Slope refused);
00253
00254 bool PerformIndustryTileSlopeCheck(TileIndex ind_base_tile, TileIndex ind_tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx, uint itspec_index)
00255 {
00256 Industry ind;
00257 ind.index = INVALID_INDUSTRY;
00258 ind.location.tile = ind_base_tile;
00259 ind.location.w = 0;
00260 ind.type = type;
00261
00262 uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, itspec_index, gfx, &ind, ind_tile);
00263 if (callback_res == CALLBACK_FAILED) {
00264 return !IsSlopeRefused(GetTileSlope(ind_tile, NULL), its->slopes_refused);
00265 }
00266 if (its->grf_prop.grffile->grf_version < 7) {
00267 return callback_res != 0;
00268 }
00269 if (callback_res == 0x400) return true;
00270
00271
00272 SwitchToErrorRefStack();
00273 PrepareTextRefStackUsage(4);
00274 SwitchToNormalRefStack();
00275
00276 switch (callback_res) {
00277 case 0x401: _error_message = STR_ERROR_SITE_UNSUITABLE; return false;
00278 case 0x402: _error_message = STR_ERROR_CAN_ONLY_BE_BUILT_IN_RAINFOREST; return false;
00279 case 0x403: _error_message = STR_ERROR_CAN_ONLY_BE_BUILT_IN_DESERT; return false;
00280 default: _error_message = GetGRFStringID(its->grf_prop.grffile->grfid, 0xD000 + callback_res); return false;
00281 }
00282 }
00283
00284 void AnimateNewIndustryTile(TileIndex tile)
00285 {
00286 Industry *ind = Industry::GetByTile(tile);
00287 IndustryGfx gfx = GetIndustryGfx(tile);
00288 const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
00289 byte animation_speed = itspec->animation_speed;
00290
00291 if (HasBit(itspec->callback_mask, CBM_INDT_ANIM_SPEED)) {
00292 uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_ANIMATION_SPEED, 0, 0, gfx, ind, tile);
00293 if (callback_res != CALLBACK_FAILED) animation_speed = Clamp(callback_res & 0xFF, 0, 16);
00294 }
00295
00296
00297
00298
00299
00300 if ((_tick_counter % (1 << animation_speed)) != 0) return;
00301
00302 bool frame_set_by_callback = false;
00303 byte frame = GetIndustryAnimationState(tile);
00304 uint16 num_frames = GB(itspec->animation_info, 0, 8);
00305
00306 if (HasBit(itspec->callback_mask, CBM_INDT_ANIM_NEXT_FRAME)) {
00307 uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_ANIM_NEXT_FRAME,
00308 (itspec->special_flags & INDTILE_SPECIAL_NEXTFRAME_RANDOMBITS) ? Random() : 0, 0, gfx, ind, tile);
00309
00310 if (callback_res != CALLBACK_FAILED) {
00311 frame_set_by_callback = true;
00312
00313 switch (callback_res & 0xFF) {
00314 case 0xFF:
00315 DeleteAnimatedTile(tile);
00316 break;
00317 case 0xFE:
00318
00319 frame_set_by_callback = false;
00320 break;
00321 default:
00322 frame = callback_res & 0xFF;
00323 break;
00324 }
00325
00326
00327
00328 if (GB(callback_res, 8, 7) != 0) PlayTileSound(itspec->grf_prop.grffile, GB(callback_res, 8, 7), tile);
00329 }
00330 }
00331
00332 if (!frame_set_by_callback) {
00333 if (frame < num_frames) {
00334 frame++;
00335 } else if (frame == num_frames && GB(itspec->animation_info, 8, 8) == 1) {
00336
00337 frame = 0;
00338 } else {
00339
00340 DeleteAnimatedTile(tile);
00341 }
00342 }
00343
00344 SetIndustryAnimationState(tile, frame);
00345 MarkTileDirtyByTile(tile);
00346 }
00347
00348 static void ChangeIndustryTileAnimationFrame(const IndustryTileSpec *itspec, TileIndex tile, IndustryAnimationTrigger iat, uint32 random_bits, IndustryGfx gfx, Industry *ind)
00349 {
00350 uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_ANIM_START_STOP, random_bits, iat, gfx, ind, tile);
00351 if (callback_res == CALLBACK_FAILED) return;
00352
00353 switch (callback_res & 0xFF) {
00354 case 0xFD: break;
00355 case 0xFE: AddAnimatedTile(tile); break;
00356 case 0xFF: DeleteAnimatedTile(tile); break;
00357 default:
00358 SetIndustryAnimationState(tile, callback_res & 0xFF);
00359 AddAnimatedTile(tile);
00360 break;
00361 }
00362
00363
00364
00365 if (GB(callback_res, 8, 7) != 0) PlayTileSound(itspec->grf_prop.grffile, GB(callback_res, 8, 7), tile);
00366 }
00367
00368 bool StartStopIndustryTileAnimation(TileIndex tile, IndustryAnimationTrigger iat, uint32 random)
00369 {
00370 IndustryGfx gfx = GetIndustryGfx(tile);
00371 const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
00372
00373 if (!HasBit(itspec->animation_triggers, iat)) return false;
00374
00375 Industry *ind = Industry::GetByTile(tile);
00376 ChangeIndustryTileAnimationFrame(itspec, tile, iat, random, gfx, ind);
00377 return true;
00378 }
00379
00380 bool StartStopIndustryTileAnimation(const Industry *ind, IndustryAnimationTrigger iat)
00381 {
00382 bool ret = true;
00383 uint32 random = Random();
00384 TILE_AREA_LOOP(tile, ind->location) {
00385 if (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == ind->index) {
00386 if (StartStopIndustryTileAnimation(tile, iat, random)) {
00387 SB(random, 0, 16, Random());
00388 } else {
00389 ret = false;
00390 }
00391 }
00392 }
00393
00394 return ret;
00395 }
00396
00397 static void DoTriggerIndustryTile(TileIndex tile, IndustryTileTrigger trigger, Industry *ind)
00398 {
00399 ResolverObject object;
00400
00401 assert(IsValidTile(tile) && IsTileType(tile, MP_INDUSTRY));
00402
00403 IndustryGfx gfx = GetIndustryGfx(tile);
00404 const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
00405
00406 if (itspec->grf_prop.spritegroup == NULL) return;
00407
00408 NewIndustryTileResolver(&object, gfx, tile, ind);
00409
00410 object.callback = CBID_RANDOM_TRIGGER;
00411 object.trigger = trigger;
00412
00413 const SpriteGroup *group = SpriteGroup::Resolve(itspec->grf_prop.spritegroup, &object);
00414 if (group == NULL) return;
00415
00416 byte new_random_bits = Random();
00417 byte random_bits = GetIndustryRandomBits(tile);
00418 random_bits &= ~object.reseed;
00419 random_bits |= new_random_bits & object.reseed;
00420 SetIndustryRandomBits(tile, random_bits);
00421 MarkTileDirtyByTile(tile);
00422 }
00423
00424 void TriggerIndustryTile(TileIndex tile, IndustryTileTrigger trigger)
00425 {
00426 DoTriggerIndustryTile(tile, trigger, Industry::GetByTile(tile));
00427 }
00428
00429 void TriggerIndustry(Industry *ind, IndustryTileTrigger trigger)
00430 {
00431 TILE_AREA_LOOP(tile, ind->location) {
00432 if (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == ind->index) {
00433 DoTriggerIndustryTile(tile, trigger, ind);
00434 }
00435 }
00436 }