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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 }
00221
00228 AirportTileScopeResolver::AirportTileScopeResolver(ResolverObject &ro, const AirportTileSpec *ats, TileIndex tile, Station *st) : ScopeResolver(ro)
00229 {
00230 assert(st != NULL);
00231
00232 this->st = st;
00233 this->airport_id = st->airport.type;
00234 this->tile = tile;
00235 }
00236
00237 uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, Station *st, TileIndex tile, int extra_data = 0)
00238 {
00239 AirportTileResolverObject object(ats, tile, st, callback, param1, param2);
00240 const SpriteGroup *group = SpriteGroup::Resolve(ats->grf_prop.spritegroup[0], object);
00241 if (group == NULL) return CALLBACK_FAILED;
00242
00243 return group->GetCallbackResult();
00244 }
00245
00246 static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte colour, StationGfx gfx)
00247 {
00248 const DrawTileSprites *dts = group->ProcessRegisters(NULL);
00249
00250 SpriteID image = dts->ground.sprite;
00251 SpriteID pal = dts->ground.pal;
00252
00253 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00254 if (image == SPR_FLAT_WATER_TILE && IsTileOnWater(ti->tile)) {
00255 DrawWaterClassGround(ti);
00256 } else {
00257 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(colour)));
00258 }
00259 }
00260
00261 DrawNewGRFTileSeq(ti, dts, TO_BUILDINGS, 0, GENERAL_SPRITE_COLOUR(colour));
00262 }
00263
00264 bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
00265 {
00266 if (ti->tileh != SLOPE_FLAT) {
00267 bool draw_old_one = true;
00268 if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
00269
00270 uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile);
00271 if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(airts->grf_prop.grffile, CBID_AIRPTILE_DRAW_FOUNDATIONS, callback_res);
00272 }
00273
00274 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00275 }
00276
00277 AirportTileResolverObject object(airts, ti->tile, st);
00278 const SpriteGroup *group = SpriteGroup::Resolve(airts->grf_prop.spritegroup[0], object);
00279 if (group == NULL || group->type != SGT_TILELAYOUT) {
00280 return false;
00281 }
00282
00283 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00284 AirportDrawTileLayout(ti, tlgroup, Company::Get(st->owner)->colour, gfx);
00285 return true;
00286 }
00287
00289 struct AirportTileAnimationBase : public AnimationBase<AirportTileAnimationBase, AirportTileSpec, Station, int, GetAirportTileCallback> {
00290 static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED;
00291 static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;
00292
00293 static const AirportTileCallbackMask cbm_animation_speed = CBM_AIRT_ANIM_SPEED;
00294 static const AirportTileCallbackMask cbm_animation_next_frame = CBM_AIRT_ANIM_NEXT_FRAME;
00295 };
00296
00297 void AnimateAirportTile(TileIndex tile)
00298 {
00299 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00300 if (ats == NULL) return;
00301
00302 AirportTileAnimationBase::AnimateTile(ats, Station::GetByTile(tile), tile, HasBit(ats->animation_special_flags, 0));
00303 }
00304
00305 void AirportTileAnimationTrigger(Station *st, TileIndex tile, AirpAnimationTrigger trigger, CargoID cargo_type)
00306 {
00307 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
00308 if (!HasBit(ats->animation.triggers, trigger)) return;
00309
00310 AirportTileAnimationBase::ChangeAnimationFrame(CBID_AIRPTILE_ANIM_START_STOP, ats, st, tile, Random(), (uint8)trigger | (cargo_type << 8));
00311 }
00312
00313 void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID cargo_type)
00314 {
00315 if (st->airport.tile == INVALID_TILE) return;
00316
00317 TILE_AREA_LOOP(tile, st->airport) {
00318 if (st->TileBelongsToAirport(tile)) AirportTileAnimationTrigger(st, tile, trigger, cargo_type);
00319 }
00320 }
00321