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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
00118 static uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index, bool grf_version8)
00119 {
00120 if (parameter != 0) tile = GetNearbyTile(parameter, tile);
00121 bool is_same_airport = (IsTileType(tile, MP_STATION) && IsAirport(tile) && GetStationIndex(tile) == index);
00122
00123 return GetNearbyTileInformation(tile, grf_version8) | (is_same_airport ? 1 : 0) << 8;
00124 }
00125
00126
00135 static uint32 GetAirportTileIDAtOffset(TileIndex tile, const Station *st, uint32 cur_grfid)
00136 {
00137 if (!st->TileBelongsToAirport(tile)) {
00138 return 0xFFFF;
00139 }
00140
00141 StationGfx gfx = GetAirportGfx(tile);
00142 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
00143
00144 if (gfx < NEW_AIRPORTTILE_OFFSET) {
00145
00146 if (ats->grf_prop.override == INVALID_AIRPORTTILE) {
00147 return 0xFF << 8 | gfx;
00148 }
00149
00150 const AirportTileSpec *tile_ovr = AirportTileSpec::Get(ats->grf_prop.override);
00151
00152 if (tile_ovr->grf_prop.grffile->grfid == cur_grfid) {
00153 return tile_ovr->grf_prop.local_id;
00154 } else {
00155 return 0xFFFE;
00156 }
00157 }
00158
00159 if (ats->grf_prop.spritegroup[0] != NULL) {
00160 if (ats->grf_prop.grffile->grfid == cur_grfid) {
00161 return ats->grf_prop.local_id;
00162 } else {
00163 return 0xFFFE;
00164 }
00165 }
00166
00167 return 0xFF << 8 | ats->grf_prop.subst_id;
00168 }
00169
00170 static uint32 AirportTileGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00171 {
00172 const Station *st = object->u.airport.st;
00173 TileIndex tile = object->u.airport.tile;
00174 assert(st != NULL);
00175
00176 if (object->scope == VSG_SCOPE_PARENT) {
00177 DEBUG(grf, 1, "Parent scope for airport tiles unavailable");
00178 *available = false;
00179 return UINT_MAX;
00180 }
00181
00182 extern uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile);
00183
00184 switch (variable) {
00185
00186 case 0x41: return GetTerrainType(tile);
00187
00188
00189 case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), tile);
00190
00191
00192 case 0x43: return GetRelativePosition(tile, st->airport.tile);
00193
00194
00195 case 0x44: return GetAnimationFrame(tile);
00196
00197
00198 case 0x60: return GetNearbyAirportTileInformation(parameter, tile, st->index, object->grffile->grf_version >= 8);
00199
00200
00201 case 0x61:
00202 tile = GetNearbyTile(parameter, tile);
00203 if (st->TileBelongsToAirport(tile)) {
00204 return GetAnimationFrame(tile);
00205 }
00206 return UINT_MAX;
00207
00208
00209 case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, tile), st, object->grffile->grfid);
00210 }
00211
00212 DEBUG(grf, 1, "Unhandled airport tile variable 0x%X", variable);
00213
00214 *available = false;
00215 return UINT_MAX;
00216 }
00217
00218 static uint32 AirportTileGetRandomBits(const ResolverObject *object)
00219 {
00220 const Station *st = object->u.airport.st;
00221 const TileIndex tile = object->u.airport.tile;
00222 return (st == NULL ? 0 : st->random_bits) | (tile == INVALID_TILE ? 0 : GetStationTileRandomBits(tile) << 16);
00223 }
00224
00225 static void AirportTileResolver(ResolverObject *res, const AirportTileSpec *ats, TileIndex tile, Station *st)
00226 {
00227 res->GetRandomBits = AirportTileGetRandomBits;
00228 res->GetTriggers = NULL;
00229 res->SetTriggers = NULL;
00230 res->GetVariable = AirportTileGetVariable;
00231 res->ResolveReal = AirportTileResolveReal;
00232 res->StorePSA = NULL;
00233
00234 assert(st != NULL);
00235 res->u.airport.airport_id = st->airport.type;
00236 res->u.airport.st = st;
00237 res->u.airport.tile = tile;
00238
00239 res->callback = CBID_NO_CALLBACK;
00240 res->callback_param1 = 0;
00241 res->callback_param2 = 0;
00242 res->ResetState();
00243
00244 res->grffile = ats->grf_prop.grffile;
00245 }
00246
00247 uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, Station *st, TileIndex tile, int extra_data = 0)
00248 {
00249 ResolverObject object;
00250 const SpriteGroup *group;
00251
00252 AirportTileResolver(&object, ats, tile, st);
00253 object.callback = callback;
00254 object.callback_param1 = param1;
00255 object.callback_param2 = param2;
00256
00257 group = SpriteGroup::Resolve(ats->grf_prop.spritegroup[0], &object);
00258 if (group == NULL) return CALLBACK_FAILED;
00259
00260 return group->GetCallbackResult();
00261 }
00262
00263 static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte colour, StationGfx gfx)
00264 {
00265 const DrawTileSprites *dts = group->ProcessRegisters(NULL);
00266
00267 SpriteID image = dts->ground.sprite;
00268 SpriteID pal = dts->ground.pal;
00269
00270 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00271 if (image == SPR_FLAT_WATER_TILE && IsTileOnWater(ti->tile)) {
00272 DrawWaterClassGround(ti);
00273 } else {
00274 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(colour)));
00275 }
00276 }
00277
00278 DrawNewGRFTileSeq(ti, dts, TO_BUILDINGS, 0, GENERAL_SPRITE_COLOUR(colour));
00279 }
00280
00281 bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
00282 {
00283 const SpriteGroup *group;
00284 ResolverObject object;
00285
00286 if (ti->tileh != SLOPE_FLAT) {
00287 bool draw_old_one = true;
00288 if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
00289
00290 uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile);
00291 if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(airts->grf_prop.grffile, CBID_AIRPTILE_DRAW_FOUNDATIONS, callback_res);
00292 }
00293
00294 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00295 }
00296
00297 AirportTileResolver(&object, airts, ti->tile, st);
00298
00299 group = SpriteGroup::Resolve(airts->grf_prop.spritegroup[0], &object);
00300 if (group == NULL || group->type != SGT_TILELAYOUT) {
00301 return false;
00302 }
00303
00304 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00305 AirportDrawTileLayout(ti, tlgroup, Company::Get(st->owner)->colour, gfx);
00306 return true;
00307 }
00308
00310 struct AirportTileAnimationBase : public AnimationBase<AirportTileAnimationBase, AirportTileSpec, Station, int, GetAirportTileCallback> {
00311 static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED;
00312 static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;
00313
00314 static const AirportTileCallbackMask cbm_animation_speed = CBM_AIRT_ANIM_SPEED;
00315 static const AirportTileCallbackMask cbm_animation_next_frame = CBM_AIRT_ANIM_NEXT_FRAME;
00316 };
00317
00318 void AnimateAirportTile(TileIndex tile)
00319 {
00320 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00321 if (ats == NULL) return;
00322
00323 AirportTileAnimationBase::AnimateTile(ats, Station::GetByTile(tile), tile, HasBit(ats->animation_special_flags, 0));
00324 }
00325
00326 void AirportTileAnimationTrigger(Station *st, TileIndex tile, AirpAnimationTrigger trigger, CargoID cargo_type)
00327 {
00328 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00329 if (!HasBit(ats->animation.triggers, trigger)) return;
00330
00331 AirportTileAnimationBase::ChangeAnimationFrame(CBID_AIRPTILE_ANIM_START_STOP, ats, st, tile, Random(), (uint8)trigger | (cargo_type << 8));
00332 }
00333
00334 void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID cargo_type)
00335 {
00336 if (st->airport.tile == INVALID_TILE) return;
00337
00338 TILE_AREA_LOOP(tile, st->airport) {
00339 if (st->TileBelongsToAirport(tile)) AirportTileAnimationTrigger(st, tile, trigger, cargo_type);
00340 }
00341 }
00342
00348 void GetAirportTileTypeResolver(ResolverObject *ro, uint index)
00349 {
00350 AirportTileResolver(ro, AirportTileSpec::GetByTile(index), index, Station::GetByTile(index));
00351 }