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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
00109 static uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index, bool grf_version8)
00110 {
00111 if (parameter != 0) tile = GetNearbyTile(parameter, tile);
00112 bool is_same_airport = (IsTileType(tile, MP_STATION) && IsAirport(tile) && GetStationIndex(tile) == index);
00113
00114 return GetNearbyTileInformation(tile, grf_version8) | (is_same_airport ? 1 : 0) << 8;
00115 }
00116
00117
00126 static uint32 GetAirportTileIDAtOffset(TileIndex tile, const Station *st, uint32 cur_grfid)
00127 {
00128 if (!st->TileBelongsToAirport(tile)) {
00129 return 0xFFFF;
00130 }
00131
00132 StationGfx gfx = GetAirportGfx(tile);
00133 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
00134
00135 if (gfx < NEW_AIRPORTTILE_OFFSET) {
00136
00137 if (ats->grf_prop.override == INVALID_AIRPORTTILE) {
00138 return 0xFF << 8 | gfx;
00139 }
00140
00141 const AirportTileSpec *tile_ovr = AirportTileSpec::Get(ats->grf_prop.override);
00142
00143 if (tile_ovr->grf_prop.grffile->grfid == cur_grfid) {
00144 return tile_ovr->grf_prop.local_id;
00145 } else {
00146 return 0xFFFE;
00147 }
00148 }
00149
00150 if (ats->grf_prop.spritegroup[0] != NULL) {
00151 if (ats->grf_prop.grffile->grfid == cur_grfid) {
00152 return ats->grf_prop.local_id;
00153 } else {
00154 return 0xFFFE;
00155 }
00156 }
00157
00158 return 0xFF << 8 | ats->grf_prop.subst_id;
00159 }
00160
00161 uint32 AirportTileScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
00162 {
00163 assert(this->st != NULL);
00164
00165 extern uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile);
00166
00167 switch (variable) {
00168
00169 case 0x41: return GetTerrainType(this->tile);
00170
00171
00172 case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(this->tile, UINT_MAX), this->tile);
00173
00174
00175 case 0x43: return GetRelativePosition(this->tile, this->st->airport.tile);
00176
00177
00178 case 0x44: return GetAnimationFrame(this->tile);
00179
00180
00181 case 0x60: return GetNearbyAirportTileInformation(parameter, this->tile, this->st->index, this->ro.grffile->grf_version >= 8);
00182
00183
00184 case 0x61: {
00185 TileIndex tile = GetNearbyTile(parameter, this->tile);
00186 if (this->st->TileBelongsToAirport(tile)) {
00187 return GetAnimationFrame(tile);
00188 }
00189 return UINT_MAX;
00190 }
00191
00192
00193 case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, this->tile), this->st, this->ro.grffile->grfid);
00194 }
00195
00196 DEBUG(grf, 1, "Unhandled airport tile variable 0x%X", variable);
00197
00198 *available = false;
00199 return UINT_MAX;
00200 }
00201
00202 uint32 AirportTileScopeResolver::GetRandomBits() const
00203 {
00204 return (this->st == NULL ? 0 : this->st->random_bits) | (this->tile == INVALID_TILE ? 0 : GetStationTileRandomBits(this->tile) << 16);
00205 }
00206
00216 AirportTileResolverObject::AirportTileResolverObject(const AirportTileSpec *ats, TileIndex tile, Station *st,
00217 CallbackID callback, uint32 callback_param1, uint32 callback_param2)
00218 : ResolverObject(ats->grf_prop.grffile, callback, callback_param1, callback_param2), tiles_scope(*this, ats, tile, st)
00219 {
00220 this->root_spritegroup = ats->grf_prop.spritegroup[0];
00221 }
00222
00229 AirportTileScopeResolver::AirportTileScopeResolver(ResolverObject &ro, const AirportTileSpec *ats, TileIndex tile, Station *st) : ScopeResolver(ro)
00230 {
00231 assert(st != NULL);
00232
00233 this->st = st;
00234 this->airport_id = st->airport.type;
00235 this->tile = tile;
00236 }
00237
00238 uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, Station *st, TileIndex tile, int extra_data = 0)
00239 {
00240 AirportTileResolverObject object(ats, tile, st, callback, param1, param2);
00241 return object.ResolveCallback();
00242 }
00243
00244 static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte colour, StationGfx gfx)
00245 {
00246 const DrawTileSprites *dts = group->ProcessRegisters(NULL);
00247
00248 SpriteID image = dts->ground.sprite;
00249 SpriteID pal = dts->ground.pal;
00250
00251 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00252 if (image == SPR_FLAT_WATER_TILE && IsTileOnWater(ti->tile)) {
00253 DrawWaterClassGround(ti);
00254 } else {
00255 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(colour)));
00256 }
00257 }
00258
00259 DrawNewGRFTileSeq(ti, dts, TO_BUILDINGS, 0, GENERAL_SPRITE_COLOUR(colour));
00260 }
00261
00262 bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
00263 {
00264 if (ti->tileh != SLOPE_FLAT) {
00265 bool draw_old_one = true;
00266 if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
00267
00268 uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile);
00269 if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(airts->grf_prop.grffile, CBID_AIRPTILE_DRAW_FOUNDATIONS, callback_res);
00270 }
00271
00272 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00273 }
00274
00275 AirportTileResolverObject object(airts, ti->tile, st);
00276 const SpriteGroup *group = object.Resolve();
00277 if (group == NULL || group->type != SGT_TILELAYOUT) {
00278 return false;
00279 }
00280
00281 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00282 AirportDrawTileLayout(ti, tlgroup, Company::Get(st->owner)->colour, gfx);
00283 return true;
00284 }
00285
00287 struct AirportTileAnimationBase : public AnimationBase<AirportTileAnimationBase, AirportTileSpec, Station, int, GetAirportTileCallback> {
00288 static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED;
00289 static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;
00290
00291 static const AirportTileCallbackMask cbm_animation_speed = CBM_AIRT_ANIM_SPEED;
00292 static const AirportTileCallbackMask cbm_animation_next_frame = CBM_AIRT_ANIM_NEXT_FRAME;
00293 };
00294
00295 void AnimateAirportTile(TileIndex tile)
00296 {
00297 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00298 if (ats == NULL) return;
00299
00300 AirportTileAnimationBase::AnimateTile(ats, Station::GetByTile(tile), tile, HasBit(ats->animation_special_flags, 0));
00301 }
00302
00303 void AirportTileAnimationTrigger(Station *st, TileIndex tile, AirpAnimationTrigger trigger, CargoID cargo_type)
00304 {
00305 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00306 if (!HasBit(ats->animation.triggers, trigger)) return;
00307
00308 AirportTileAnimationBase::ChangeAnimationFrame(CBID_AIRPTILE_ANIM_START_STOP, ats, st, tile, Random(), (uint8)trigger | (cargo_type << 8));
00309 }
00310
00311 void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID cargo_type)
00312 {
00313 if (st->airport.tile == INVALID_TILE) return;
00314
00315 TILE_AREA_LOOP(tile, st->airport) {
00316 if (st->TileBelongsToAirport(tile)) AirportTileAnimationTrigger(st, tile, trigger, cargo_type);
00317 }
00318 }
00319