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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "newgrf.h"
00015 #include "newgrf_airporttiles.h"
00016 #include "newgrf_spritegroup.h"
00017 #include "newgrf_sound.h"
00018 #include "station_base.h"
00019 #include "water.h"
00020 #include "viewport_func.h"
00021 #include "landscape.h"
00022 #include "company_base.h"
00023 #include "town.h"
00024 #include "table/strings.h"
00025 #include "table/airporttiles.h"
00026 #include "newgrf_animation_base.h"
00027
00028
00029 AirportTileSpec AirportTileSpec::tiles[NUM_AIRPORTTILES];
00030
00031 AirportTileOverrideManager _airporttile_mngr(NEW_AIRPORTTILE_OFFSET, NUM_AIRPORTTILES, INVALID_AIRPORTTILE);
00032
00038 const AirportTileSpec *AirportTileSpec::Get(StationGfx gfx)
00039 {
00040
00041
00042 assert_compile(MAX_UVALUE(StationGfx) + 1 == lengthof(tiles));
00043 return &AirportTileSpec::tiles[gfx];
00044 }
00045
00051 const AirportTileSpec *AirportTileSpec::GetByTile(TileIndex tile)
00052 {
00053 return AirportTileSpec::Get(GetAirportGfx(tile));
00054 }
00055
00059 void AirportTileSpec::ResetAirportTiles()
00060 {
00061 memset(&AirportTileSpec::tiles, 0, sizeof(AirportTileSpec::tiles));
00062 memcpy(&AirportTileSpec::tiles, &_origin_airporttile_specs, sizeof(_origin_airporttile_specs));
00063
00064
00065 _airporttile_mngr.ResetOverride();
00066 }
00067
00068 void AirportTileOverrideManager::SetEntitySpec(const AirportTileSpec *airpts)
00069 {
00070 StationGfx airpt_id = this->AddEntityID(airpts->grf_prop.local_id, airpts->grf_prop.grffile->grfid, airpts->grf_prop.subst_id);
00071
00072 if (airpt_id == invalid_ID) {
00073 grfmsg(1, "AirportTile.SetEntitySpec: Too many airport tiles allocated. Ignoring.");
00074 return;
00075 }
00076
00077 memcpy(&AirportTileSpec::tiles[airpt_id], airpts, sizeof(*airpts));
00078
00079
00080 for (int i = 0; i < max_offset; i++) {
00081 AirportTileSpec *overridden_airpts = &AirportTileSpec::tiles[i];
00082
00083 if (entity_overrides[i] != airpts->grf_prop.local_id || grfid_overrides[i] != airpts->grf_prop.grffile->grfid) continue;
00084
00085 overridden_airpts->grf_prop.override = airpt_id;
00086 overridden_airpts->enabled = false;
00087 entity_overrides[i] = invalid_ID;
00088 grfid_overrides[i] = 0;
00089 }
00090 }
00091
00097 StationGfx GetTranslatedAirportTileID(StationGfx gfx)
00098 {
00099 const AirportTileSpec *it = AirportTileSpec::Get(gfx);
00100 return it->grf_prop.override == INVALID_AIRPORTTILE ? gfx : it->grf_prop.override;
00101 }
00102
00103
00104 static const SpriteGroup *AirportTileResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00105 {
00106
00107 return NULL;
00108 }
00109
00117 uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index)
00118 {
00119 if (parameter != 0) tile = GetNearbyTile(parameter, tile);
00120 bool is_same_airport = (IsTileType(tile, MP_STATION) && IsAirport(tile) && GetStationIndex(tile) == index);
00121
00122 return GetNearbyTileInformation(tile) | (is_same_airport ? 1 : 0) << 8;
00123 }
00124
00125
00134 static uint32 GetAirportTileIDAtOffset(TileIndex tile, const Station *st, uint32 cur_grfid)
00135 {
00136 if (!st->TileBelongsToAirport(tile)) {
00137 return 0xFFFF;
00138 }
00139
00140 StationGfx gfx = GetAirportGfx(tile);
00141 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
00142
00143 if (gfx < NEW_AIRPORTTILE_OFFSET) {
00144
00145 if (ats->grf_prop.override == INVALID_AIRPORTTILE) {
00146 return 0xFF << 8 | gfx;
00147 }
00148
00149 const AirportTileSpec *tile_ovr = AirportTileSpec::Get(ats->grf_prop.override);
00150
00151 if (tile_ovr->grf_prop.grffile->grfid == cur_grfid) {
00152 return tile_ovr->grf_prop.local_id;
00153 } else {
00154 return 0xFFFE;
00155 }
00156 }
00157
00158 if (ats->grf_prop.spritegroup[0] != NULL) {
00159 if (ats->grf_prop.grffile->grfid == cur_grfid) {
00160 return ats->grf_prop.local_id;
00161 } else {
00162 return 0xFFFE;
00163 }
00164 }
00165
00166 return 0xFF << 8 | ats->grf_prop.subst_id;
00167 }
00168
00169 static uint32 AirportTileGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00170 {
00171 const Station *st = object->u.airport.st;
00172 TileIndex tile = object->u.airport.tile;
00173 assert(st != NULL);
00174
00175 if (object->scope == VSG_SCOPE_PARENT) {
00176 DEBUG(grf, 1, "Parent scope for airport tiles unavailable");
00177 *available = false;
00178 return UINT_MAX;
00179 }
00180
00181 extern uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile);
00182
00183 switch (variable) {
00184
00185 case 0x41: return GetTerrainType(tile);
00186
00187
00188 case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), tile);
00189
00190
00191 case 0x43: return GetRelativePosition(tile, st->airport.tile);
00192
00193
00194 case 0x44: return GetAnimationFrame(tile);
00195
00196
00197 case 0x60: return GetNearbyAirportTileInformation(parameter, tile, st->index);
00198
00199
00200 case 0x61:
00201 tile = GetNearbyTile(parameter, tile);
00202 if (st->TileBelongsToAirport(tile)) {
00203 return GetAnimationFrame(tile);
00204 }
00205 return UINT_MAX;
00206
00207
00208 case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, tile), st, object->grffile->grfid);
00209 }
00210
00211 DEBUG(grf, 1, "Unhandled airport tile variable 0x%X", variable);
00212
00213 *available = false;
00214 return UINT_MAX;
00215 }
00216
00217 static uint32 AirportTileGetRandomBits(const ResolverObject *object)
00218 {
00219 const Station *st = object->u.airport.st;
00220 const TileIndex tile = object->u.airport.tile;
00221 return (st == NULL ? 0 : st->random_bits) | (tile == INVALID_TILE ? 0 : GetStationTileRandomBits(tile) << 16);
00222 }
00223
00224 static void AirportTileResolver(ResolverObject *res, const AirportTileSpec *ats, TileIndex tile, const Station *st)
00225 {
00226 res->GetRandomBits = AirportTileGetRandomBits;
00227 res->GetTriggers = NULL;
00228 res->SetTriggers = NULL;
00229 res->GetVariable = AirportTileGetVariable;
00230 res->ResolveReal = AirportTileResolveReal;
00231
00232 assert(st != NULL);
00233 res->psa = NULL;
00234 res->u.airport.airport_id = st->airport.type;
00235 res->u.airport.st = st;
00236 res->u.airport.tile = tile;
00237
00238 res->callback = CBID_NO_CALLBACK;
00239 res->callback_param1 = 0;
00240 res->callback_param2 = 0;
00241 res->last_value = 0;
00242 res->trigger = 0;
00243 res->reseed = 0;
00244 res->count = 0;
00245
00246 res->grffile = ats->grf_prop.grffile;
00247 }
00248
00249 uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, const Station *st, TileIndex tile)
00250 {
00251 ResolverObject object;
00252 const SpriteGroup *group;
00253
00254 AirportTileResolver(&object, ats, tile, st);
00255 object.callback = callback;
00256 object.callback_param1 = param1;
00257 object.callback_param2 = param2;
00258
00259 group = SpriteGroup::Resolve(ats->grf_prop.spritegroup[0], &object);
00260 if (group == NULL) return CALLBACK_FAILED;
00261
00262 return group->GetCallbackResult();
00263 }
00264
00265 static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte colour, StationGfx gfx)
00266 {
00267 const DrawTileSprites *dts = group->dts;
00268
00269 SpriteID image = dts->ground.sprite;
00270 SpriteID pal = dts->ground.pal;
00271
00272 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00273 if (image == SPR_FLAT_WATER_TILE && IsTileOnWater(ti->tile)) {
00274 DrawWaterClassGround(ti);
00275 } else {
00276 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(colour)));
00277 }
00278 }
00279
00280 DrawNewGRFTileSeq(ti, dts, TO_BUILDINGS, 0, GENERAL_SPRITE_COLOUR(colour));
00281 }
00282
00283 bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
00284 {
00285 const SpriteGroup *group;
00286 ResolverObject object;
00287
00288 if (ti->tileh != SLOPE_FLAT) {
00289 bool draw_old_one = true;
00290 if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
00291
00292 uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile);
00293 draw_old_one = (callback_res != 0);
00294 }
00295
00296 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00297 }
00298
00299 AirportTileResolver(&object, airts, ti->tile, st);
00300
00301 group = SpriteGroup::Resolve(airts->grf_prop.spritegroup[0], &object);
00302 if (group == NULL || group->type != SGT_TILELAYOUT) {
00303 return false;
00304 }
00305
00306 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00307 AirportDrawTileLayout(ti, tlgroup, Company::Get(st->owner)->colour, gfx);
00308 return true;
00309 }
00310
00312 struct AirportTileAnimationBase : public AnimationBase<AirportTileAnimationBase, AirportTileSpec, Station, GetAirportTileCallback> {
00313 static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED;
00314 static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;
00315
00316 static const AirportTileCallbackMask cbm_animation_speed = CBM_AIRT_ANIM_SPEED;
00317 static const AirportTileCallbackMask cbm_animation_next_frame = CBM_AIRT_ANIM_NEXT_FRAME;
00318 };
00319
00320 void AnimateAirportTile(TileIndex tile)
00321 {
00322 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00323 if (ats == NULL) return;
00324
00325 AirportTileAnimationBase::AnimateTile(ats, Station::GetByTile(tile), tile, HasBit(ats->animation_special_flags, 0));
00326 }
00327
00328 void AirportTileAnimationTrigger(Station *st, TileIndex tile, AirpAnimationTrigger trigger, CargoID cargo_type)
00329 {
00330 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00331 if (!HasBit(ats->animation.triggers, trigger)) return;
00332
00333 AirportTileAnimationBase::ChangeAnimationFrame(CBID_AIRPTILE_ANIM_START_STOP, ats, st, tile, Random(), (uint8)trigger | (cargo_type << 8));
00334 }
00335
00336 void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID cargo_type)
00337 {
00338 if (st->airport.tile == INVALID_TILE) return;
00339
00340 TILE_AREA_LOOP(tile, st->airport) {
00341 if (st->TileBelongsToAirport(tile)) AirportTileAnimationTrigger(st, tile, trigger, cargo_type);
00342 }
00343 }
00344
00350 void GetAirportTileTypeResolver(ResolverObject *ro, uint index)
00351 {
00352 AirportTileResolver(ro, AirportTileSpec::GetByTile(index), index, Station::GetByTile(index));
00353 }