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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "newgrf_airporttiles.h"
00015 #include "newgrf_spritegroup.h"
00016 #include "newgrf_sound.h"
00017 #include "station_base.h"
00018 #include "water.h"
00019 #include "landscape.h"
00020 #include "company_base.h"
00021 #include "town.h"
00022 #include "table/strings.h"
00023 #include "table/airporttiles.h"
00024 #include "newgrf_animation_base.h"
00025
00026
00027 AirportTileSpec AirportTileSpec::tiles[NUM_AIRPORTTILES];
00028
00029 AirportTileOverrideManager _airporttile_mngr(NEW_AIRPORTTILE_OFFSET, NUM_AIRPORTTILES, INVALID_AIRPORTTILE);
00030
00036 const AirportTileSpec *AirportTileSpec::Get(StationGfx gfx)
00037 {
00038
00039
00040 assert_compile(MAX_UVALUE(StationGfx) + 1 == lengthof(tiles));
00041 return &AirportTileSpec::tiles[gfx];
00042 }
00043
00049 const AirportTileSpec *AirportTileSpec::GetByTile(TileIndex tile)
00050 {
00051 return AirportTileSpec::Get(GetAirportGfx(tile));
00052 }
00053
00057 void AirportTileSpec::ResetAirportTiles()
00058 {
00059 memset(&AirportTileSpec::tiles, 0, sizeof(AirportTileSpec::tiles));
00060 memcpy(&AirportTileSpec::tiles, &_origin_airporttile_specs, sizeof(_origin_airporttile_specs));
00061
00062
00063 _airporttile_mngr.ResetOverride();
00064 }
00065
00066 void AirportTileOverrideManager::SetEntitySpec(const AirportTileSpec *airpts)
00067 {
00068 StationGfx airpt_id = this->AddEntityID(airpts->grf_prop.local_id, airpts->grf_prop.grffile->grfid, airpts->grf_prop.subst_id);
00069
00070 if (airpt_id == invalid_ID) {
00071 grfmsg(1, "AirportTile.SetEntitySpec: Too many airport tiles allocated. Ignoring.");
00072 return;
00073 }
00074
00075 memcpy(&AirportTileSpec::tiles[airpt_id], airpts, sizeof(*airpts));
00076
00077
00078 for (int i = 0; i < max_offset; i++) {
00079 AirportTileSpec *overridden_airpts = &AirportTileSpec::tiles[i];
00080
00081 if (entity_overrides[i] != airpts->grf_prop.local_id || grfid_overrides[i] != airpts->grf_prop.grffile->grfid) continue;
00082
00083 overridden_airpts->grf_prop.override = airpt_id;
00084 overridden_airpts->enabled = false;
00085 entity_overrides[i] = invalid_ID;
00086 grfid_overrides[i] = 0;
00087 }
00088 }
00089
00095 StationGfx GetTranslatedAirportTileID(StationGfx gfx)
00096 {
00097 const AirportTileSpec *it = AirportTileSpec::Get(gfx);
00098 return it->grf_prop.override == INVALID_AIRPORTTILE ? gfx : it->grf_prop.override;
00099 }
00100
00101
00102 static const SpriteGroup *AirportTileResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00103 {
00104
00105 return NULL;
00106 }
00107
00116 static uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index, bool grf_version8)
00117 {
00118 if (parameter != 0) tile = GetNearbyTile(parameter, tile);
00119 bool is_same_airport = (IsTileType(tile, MP_STATION) && IsAirport(tile) && GetStationIndex(tile) == index);
00120
00121 return GetNearbyTileInformation(tile, grf_version8) | (is_same_airport ? 1 : 0) << 8;
00122 }
00123
00124
00133 static uint32 GetAirportTileIDAtOffset(TileIndex tile, const Station *st, uint32 cur_grfid)
00134 {
00135 if (!st->TileBelongsToAirport(tile)) {
00136 return 0xFFFF;
00137 }
00138
00139 StationGfx gfx = GetAirportGfx(tile);
00140 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
00141
00142 if (gfx < NEW_AIRPORTTILE_OFFSET) {
00143
00144 if (ats->grf_prop.override == INVALID_AIRPORTTILE) {
00145 return 0xFF << 8 | gfx;
00146 }
00147
00148 const AirportTileSpec *tile_ovr = AirportTileSpec::Get(ats->grf_prop.override);
00149
00150 if (tile_ovr->grf_prop.grffile->grfid == cur_grfid) {
00151 return tile_ovr->grf_prop.local_id;
00152 } else {
00153 return 0xFFFE;
00154 }
00155 }
00156
00157 if (ats->grf_prop.spritegroup[0] != NULL) {
00158 if (ats->grf_prop.grffile->grfid == cur_grfid) {
00159 return ats->grf_prop.local_id;
00160 } else {
00161 return 0xFFFE;
00162 }
00163 }
00164
00165 return 0xFF << 8 | ats->grf_prop.subst_id;
00166 }
00167
00168 static uint32 AirportTileGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00169 {
00170 const Station *st = object->u.airport.st;
00171 TileIndex tile = object->u.airport.tile;
00172 assert(st != NULL);
00173
00174 if (object->scope == VSG_SCOPE_PARENT) {
00175 DEBUG(grf, 1, "Parent scope for airport tiles unavailable");
00176 *available = false;
00177 return UINT_MAX;
00178 }
00179
00180 extern uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile);
00181
00182 switch (variable) {
00183
00184 case 0x41: return GetTerrainType(tile);
00185
00186
00187 case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), tile);
00188
00189
00190 case 0x43: return GetRelativePosition(tile, st->airport.tile);
00191
00192
00193 case 0x44: return GetAnimationFrame(tile);
00194
00195
00196 case 0x60: return GetNearbyAirportTileInformation(parameter, tile, st->index, object->grffile->grf_version >= 8);
00197
00198
00199 case 0x61:
00200 tile = GetNearbyTile(parameter, tile);
00201 if (st->TileBelongsToAirport(tile)) {
00202 return GetAnimationFrame(tile);
00203 }
00204 return UINT_MAX;
00205
00206
00207 case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, tile), st, object->grffile->grfid);
00208 }
00209
00210 DEBUG(grf, 1, "Unhandled airport tile variable 0x%X", variable);
00211
00212 *available = false;
00213 return UINT_MAX;
00214 }
00215
00216 static uint32 AirportTileGetRandomBits(const ResolverObject *object)
00217 {
00218 const Station *st = object->u.airport.st;
00219 const TileIndex tile = object->u.airport.tile;
00220 return (st == NULL ? 0 : st->random_bits) | (tile == INVALID_TILE ? 0 : GetStationTileRandomBits(tile) << 16);
00221 }
00222
00223 static void AirportTileResolver(ResolverObject *res, const AirportTileSpec *ats, TileIndex tile, Station *st)
00224 {
00225 res->GetRandomBits = AirportTileGetRandomBits;
00226 res->GetTriggers = NULL;
00227 res->SetTriggers = NULL;
00228 res->GetVariable = AirportTileGetVariable;
00229 res->ResolveReal = AirportTileResolveReal;
00230 res->StorePSA = NULL;
00231
00232 assert(st != NULL);
00233 res->u.airport.airport_id = st->airport.type;
00234 res->u.airport.st = st;
00235 res->u.airport.tile = tile;
00236
00237 res->callback = CBID_NO_CALLBACK;
00238 res->callback_param1 = 0;
00239 res->callback_param2 = 0;
00240 res->ResetState();
00241
00242 res->grffile = ats->grf_prop.grffile;
00243 }
00244
00245 uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, Station *st, TileIndex tile, int extra_data = 0)
00246 {
00247 ResolverObject object;
00248 const SpriteGroup *group;
00249
00250 AirportTileResolver(&object, ats, tile, st);
00251 object.callback = callback;
00252 object.callback_param1 = param1;
00253 object.callback_param2 = param2;
00254
00255 group = SpriteGroup::Resolve(ats->grf_prop.spritegroup[0], &object);
00256 if (group == NULL) return CALLBACK_FAILED;
00257
00258 return group->GetCallbackResult();
00259 }
00260
00261 static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte colour, StationGfx gfx)
00262 {
00263 const DrawTileSprites *dts = group->ProcessRegisters(NULL);
00264
00265 SpriteID image = dts->ground.sprite;
00266 SpriteID pal = dts->ground.pal;
00267
00268 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00269 if (image == SPR_FLAT_WATER_TILE && IsTileOnWater(ti->tile)) {
00270 DrawWaterClassGround(ti);
00271 } else {
00272 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(colour)));
00273 }
00274 }
00275
00276 DrawNewGRFTileSeq(ti, dts, TO_BUILDINGS, 0, GENERAL_SPRITE_COLOUR(colour));
00277 }
00278
00279 bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
00280 {
00281 const SpriteGroup *group;
00282 ResolverObject object;
00283
00284 if (ti->tileh != SLOPE_FLAT) {
00285 bool draw_old_one = true;
00286 if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
00287
00288 uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile);
00289 if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(airts->grf_prop.grffile, CBID_AIRPTILE_DRAW_FOUNDATIONS, callback_res);
00290 }
00291
00292 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00293 }
00294
00295 AirportTileResolver(&object, airts, ti->tile, st);
00296
00297 group = SpriteGroup::Resolve(airts->grf_prop.spritegroup[0], &object);
00298 if (group == NULL || group->type != SGT_TILELAYOUT) {
00299 return false;
00300 }
00301
00302 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00303 AirportDrawTileLayout(ti, tlgroup, Company::Get(st->owner)->colour, gfx);
00304 return true;
00305 }
00306
00308 struct AirportTileAnimationBase : public AnimationBase<AirportTileAnimationBase, AirportTileSpec, Station, int, GetAirportTileCallback> {
00309 static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED;
00310 static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;
00311
00312 static const AirportTileCallbackMask cbm_animation_speed = CBM_AIRT_ANIM_SPEED;
00313 static const AirportTileCallbackMask cbm_animation_next_frame = CBM_AIRT_ANIM_NEXT_FRAME;
00314 };
00315
00316 void AnimateAirportTile(TileIndex tile)
00317 {
00318 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00319 if (ats == NULL) return;
00320
00321 AirportTileAnimationBase::AnimateTile(ats, Station::GetByTile(tile), tile, HasBit(ats->animation_special_flags, 0));
00322 }
00323
00324 void AirportTileAnimationTrigger(Station *st, TileIndex tile, AirpAnimationTrigger trigger, CargoID cargo_type)
00325 {
00326 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00327 if (!HasBit(ats->animation.triggers, trigger)) return;
00328
00329 AirportTileAnimationBase::ChangeAnimationFrame(CBID_AIRPTILE_ANIM_START_STOP, ats, st, tile, Random(), (uint8)trigger | (cargo_type << 8));
00330 }
00331
00332 void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID cargo_type)
00333 {
00334 if (st->airport.tile == INVALID_TILE) return;
00335
00336 TILE_AREA_LOOP(tile, st->airport) {
00337 if (st->TileBelongsToAirport(tile)) AirportTileAnimationTrigger(st, tile, trigger, cargo_type);
00338 }
00339 }
00340
00346 void GetAirportTileTypeResolver(ResolverObject *ro, uint index)
00347 {
00348 AirportTileResolver(ro, AirportTileSpec::GetByTile(index), index, Station::GetByTile(index));
00349 }