belugas@6835: /* $Id$ */ belugas@6835: rubidium@9111: /** @file newgrf_industries.cpp Handling of NewGRF industries. */ belugas@6835: belugas@6835: #include "stdafx.h" belugas@6835: #include "openttd.h" belugas@6835: #include "debug.h" rubidium@7207: #include "variables.h" rubidium@7207: #include "landscape.h" belugas@6835: #include "industry.h" belugas@6868: #include "industry_map.h" belugas@6835: #include "newgrf.h" belugas@6835: #include "newgrf_callbacks.h" belugas@6835: #include "newgrf_spritegroup.h" belugas@6835: #include "newgrf_industries.h" rubidium@7860: #include "newgrf_industrytiles.h" belugas@6835: #include "newgrf_commons.h" rubidium@7207: #include "newgrf_text.h" rubidium@7207: #include "newgrf_town.h" rubidium@8131: #include "window_func.h" rubidium@8213: #include "town.h" rubidium@10208: #include "company_func.h" rubidium@10208: #include "company_base.h" rubidium@8275: #include "command_func.h" belugas@6835: rubidium@8264: #include "table/strings.h" rubidium@8264: frosch@8689: static uint32 _industry_creation_random_bits; rubidium@8436: belugas@6835: /* Since the industry IDs defined by the GRF file don't necessarily correlate belugas@6835: * to those used by the game, the IDs used for overriding old industries must be belugas@6835: * translated when the idustry spec is set. */ belugas@6835: IndustryOverrideManager _industry_mngr(NEW_INDUSTRYOFFSET, NUM_INDUSTRYTYPES, INVALID_INDUSTRYTYPE); belugas@7000: IndustryTileOverrideManager _industile_mngr(NEW_INDUSTRYTILEOFFSET, NUM_INDUSTRYTILES, INVALID_INDUSTRYTILE); belugas@6835: rubidium@7233: IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32 grf_id) rubidium@7233: { rubidium@7233: if (grf_type == IT_INVALID) return IT_INVALID; skidd13@7928: if (!HasBit(grf_type, 7)) return GB(grf_type, 0, 6); rubidium@7233: rubidium@7233: return _industry_mngr.GetID(GB(grf_type, 0, 6), grf_id); rubidium@7233: } rubidium@7233: belugas@6835: /** belugas@6835: * Finds the distance for the closest tile with water/land given a tile belugas@6835: * @param tile the tile to find the distance too belugas@6835: * @param water whether to find water or land smatz@10204: * @return distance to nearest water (max 0x7F) / land (max 0x1FF; 0x200 if there is no land) belugas@6835: * @note FAILS when an industry should be seen as water belugas@6835: */ belugas@6835: static uint GetClosestWaterDistance(TileIndex tile, bool water) belugas@6835: { smatz@10204: if (IsTileType(tile, MP_WATER) == water) return 0; belugas@6835: smatz@10204: uint max_dist = water ? 0x7F : 0x200; smatz@10204: smatz@10204: int x = TileX(tile); smatz@10204: int y = TileY(tile); smatz@10204: smatz@10204: uint max_x = MapMaxX(); smatz@10204: uint max_y = MapMaxY(); smatz@10204: smatz@10204: /* go in a 'spiral' with increasing manhattan distance in each iteration */ smatz@10204: for (uint dist = 1; dist < max_dist; dist++) { smatz@10204: /* next 'diameter' */ smatz@10204: y--; smatz@10204: smatz@10204: /* going counter-clockwise around this square */ smatz@10204: for (DiagDirection dir = DIAGDIR_BEGIN; dir < DIAGDIR_END; dir++) { smatz@10204: static const int8 ddx[DIAGDIR_END] = { -1, 1, 1, -1}; smatz@10204: static const int8 ddy[DIAGDIR_END] = { 1, 1, -1, -1}; smatz@10204: smatz@10204: int dx = ddx[dir]; smatz@10204: int dy = ddy[dir]; smatz@10204: smatz@10204: /* each side of this square has length 'dist' */ smatz@10204: for (uint a = 0; a < dist; a++) { smatz@10204: /* MP_VOID tiles are not checked (interval is [0; max) for IsInsideMM())*/ smatz@10204: if (IsInsideMM(x, 0, max_x) && IsInsideMM(y, 0, max_y)) { smatz@10204: TileIndex t = TileXY(x, y); smatz@10204: if (IsTileType(t, MP_WATER) == water) return dist; smatz@10204: } smatz@10204: x += dx; smatz@10204: y += dy; belugas@6835: } belugas@6835: } belugas@6835: } belugas@6835: smatz@10204: if (!water) { smatz@10204: /* no land found - is this a water-only map? */ smatz@10204: for (TileIndex t = 0; t < MapSize(); t++) { smatz@10204: if (!IsTileType(t, MP_VOID) && !IsTileType(t, MP_WATER)) return 0x1FF; smatz@10204: } smatz@10204: } smatz@10204: smatz@10204: return max_dist; belugas@6835: } belugas@6835: belugas@6868: /** Make an analysis of a tile and check for its belonging to the same belugas@6868: * industry, and/or the same grf file rubidium@7622: * @param tile TileIndex of the tile to query rubidium@7622: * @param i Industry to which to compare the tile to belugas@6868: * @return value encoded as per NFO specs */ rubidium@7622: uint32 GetIndustryIDAtOffset(TileIndex tile, const Industry *i) belugas@6868: { glx@7706: if (!IsTileType(tile, MP_INDUSTRY) || GetIndustryIndex(tile) != i->index) { rubidium@7622: /* No industry and/or the tile does not have the same industry as the one we match it with */ rubidium@7622: return 0xFFFF; rubidium@7622: } belugas@6868: rubidium@7622: IndustryGfx gfx = GetCleanIndustryGfx(tile); rubidium@7622: const IndustryTileSpec *indtsp = GetIndustryTileSpec(gfx); rubidium@7622: const IndustrySpec *indold = GetIndustrySpec(i->type); belugas@6868: rubidium@7622: if (gfx < NEW_INDUSTRYOFFSET) { // Does it belongs to an old type? rubidium@7622: /* It is an old tile. We have to see if it's been overriden */ rubidium@7622: if (indtsp->grf_prop.override == INVALID_INDUSTRYTILE) { // has it been overridden? rubidium@7622: return 0xFF << 8 | gfx; // no. Tag FF + the gfx id of that tile rubidium@7622: } rubidium@7622: /* Not overriden */ rubidium@7622: const IndustryTileSpec *tile_ovr = GetIndustryTileSpec(indtsp->grf_prop.override); rubidium@7622: rubidium@7622: if (tile_ovr->grf_prop.grffile->grfid == indold->grf_prop.grffile->grfid) { rubidium@7622: return tile_ovr->grf_prop.local_id; // same grf file rubidium@7622: } else { rubidium@7622: return 0xFFFE; // not the same grf file belugas@6868: } belugas@6868: } rubidium@7622: /* Not an 'old type' tile */ rubidium@7622: if (indtsp->grf_prop.spritegroup != NULL) { // tile has a spritegroup ? rubidium@7622: if (indtsp->grf_prop.grffile->grfid == indold->grf_prop.grffile->grfid) { // same industry, same grf ? rubidium@7622: return indtsp->grf_prop.local_id; rubidium@7622: } else { rubidium@7622: return 0xFFFE; // Defined in another grf file rubidium@7622: } rubidium@7622: } rubidium@7622: /* The tile has no spritegroup */ rubidium@7622: return 0xFF << 8 | indtsp->grf_prop.subst_id; // so just give him the substitute belugas@6868: } belugas@6868: rubidium@7233: static uint32 GetClosestIndustry(TileIndex tile, IndustryType type, const Industry *current) rubidium@7233: { skidd13@9605: uint32 best_dist = UINT32_MAX; rubidium@7233: const Industry *i; rubidium@7233: FOR_ALL_INDUSTRIES(i) { rubidium@7233: if (i->type != type || i == current) continue; rubidium@7233: rubidium@7233: best_dist = min(best_dist, DistanceManhattan(tile, i->xy)); rubidium@7233: } rubidium@7233: rubidium@7233: return best_dist; rubidium@7233: } rubidium@7233: belugas@7451: /** Implementation of both var 67 and 68 belugas@7451: * since the mechanism is almost the same, it is easier to regroup them on the same belugas@7451: * function. belugas@7451: * @param param_setID parameter given to the callback, which is the set id, or the local id, in our terminology belugas@7451: * @param layout_filter on what layout do we filter? belugas@7451: * @param current Industry for which the inquiry is made belugas@7451: * @return the formatted answer to the callback : rr(reserved) cc(count) dddd(manhattan distance of closest sister) belugas@7451: */ belugas@7451: static uint32 GetCountAndDistanceOfClosestInstance(byte param_setID, byte layout_filter, const Industry *current) belugas@7451: { belugas@7451: uint32 GrfID = GetRegister(0x100); ///< Get the GRFID of the definition to look for in register 100h belugas@7451: IndustryType ind_index; skidd13@9605: uint32 closest_dist = UINT32_MAX; belugas@7451: byte count = 0; belugas@7451: belugas@7451: /* Determine what will be the industry type to look for */ belugas@7451: switch (GrfID) { belugas@7451: case 0: // this is a default industry type belugas@7451: ind_index = param_setID; belugas@7451: break; belugas@7451: belugas@7451: case 0xFFFFFFFF: // current grf rubidium@7668: GrfID = GetIndustrySpec(current->type)->grf_prop.grffile->grfid; rubidium@7668: /* Fall through */ belugas@7451: belugas@7451: default: //use the grfid specified in register 100h skidd13@7931: SetBit(param_setID, 7); // bit 7 means it is not an old type belugas@7451: ind_index = MapNewGRFIndustryType(param_setID, GrfID); belugas@7451: break; belugas@7451: } belugas@7451: belugas@7451: if (layout_filter == 0) { belugas@7451: /* If the filter is 0, it could be because none was specified as well as being really a 0. belugas@7451: * In either case, just do the regular var67 */ belugas@7451: closest_dist = GetClosestIndustry(current->xy, ind_index, current); belugas@7451: count = GetIndustryTypeCount(ind_index); belugas@7451: } else { belugas@7451: /* Count only those who match the same industry type and layout filter belugas@7451: * Unfortunately, we have to do it manually */ belugas@7451: const Industry *i; belugas@7451: FOR_ALL_INDUSTRIES(i) { belugas@7451: if (i->type == ind_index && i != current && i->selected_layout == layout_filter) { belugas@7451: closest_dist = min(closest_dist, DistanceManhattan(current->xy, i->xy)); belugas@7451: count++; belugas@7451: } belugas@7451: } belugas@7451: } belugas@7451: belugas@7451: return count << 16 | GB(closest_dist, 0, 16); belugas@7451: } belugas@7451: belugas@6835: /** This function implements the industries variables that newGRF defines. belugas@6835: * @param variable that is queried belugas@6835: * @param parameter unused belugas@6835: * @param available will return false if ever the variable asked for does not exist belugas@6835: * @param ind is of course the industry we are inquiring belugas@6835: * @return the value stored in the corresponding variable*/ belugas@6835: uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) belugas@6835: { belugas@6835: const Industry *industry = object->u.industry.ind; rubidium@7207: TileIndex tile = object->u.industry.tile; belugas@8233: IndustryType type = object->u.industry.type; belugas@8233: const IndustrySpec *indspec = GetIndustrySpec(type); belugas@8233: frosch@9736: /* Shall the variable get resolved in parent scope and are we not yet in parent scope? */ frosch@9736: if (object->u.industry.gfx == INVALID_INDUSTRYTILE && object->scope == VSG_SCOPE_PARENT) { frosch@9736: /* Pass the request on to the town of the industry */ frosch@9736: const Town *t; frosch@9736: frosch@9736: if (industry != NULL) { frosch@9736: t = industry->town; frosch@9736: } else if (tile != INVALID_TILE) { frosch@9736: t = ClosestTownFromTile(tile, UINT_MAX); frosch@9736: } else { frosch@9736: *available = false; frosch@9736: return UINT_MAX; frosch@9736: } frosch@9736: frosch@9736: return TownGetVariable(variable, parameter, available, t); frosch@9736: } frosch@9736: belugas@8233: if (industry == NULL) { belugas@8233: /* industry does not exist, only use those variables that are "safe" */ belugas@8233: switch (variable) { belugas@8233: /* Manhattan distance of closes dry/water tile */ belugas@8233: case 0x43: return GetClosestWaterDistance(tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0); belugas@8233: } belugas@8233: belugas@8233: DEBUG(grf, 1, "Unhandled property 0x%X (no available industry) in callback 0x%x", variable, object->callback); belugas@8233: belugas@8233: *available = false; belugas@8233: return UINT_MAX; belugas@8233: } belugas@6835: belugas@6835: switch (variable) { belugas@6835: case 0x40: belugas@6835: case 0x41: belugas@6835: case 0x42: { // waiting cargo, but only if those two callback flags are set belugas@6835: uint16 callback = indspec->callback_flags; skidd13@7928: if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) { rubidium@7958: if ((indspec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) { rubidium@7958: return min(industry->incoming_cargo_waiting[variable - 0x40] / industry->prod_level, (uint16)0xFFFF); rubidium@7958: } else { rubidium@7958: return min(industry->incoming_cargo_waiting[variable - 0x40], (uint16)0xFFFF); rubidium@7958: } belugas@6835: } else { belugas@6835: return 0; belugas@6835: } belugas@6835: } rubidium@7207: rubidium@7207: /* Manhattan distance of closes dry/water tile */ rubidium@7668: case 0x43: return GetClosestWaterDistance(tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0); belugas@6835: belugas@7445: /* Layout number */ belugas@7445: case 0x44: return industry->selected_layout; belugas@7445: rubidium@10207: /* Company info */ belugas@7671: case 0x45: { belugas@7685: byte colours; belugas@7671: bool is_ai = false; belugas@7685: rubidium@10207: if (IsValidCompanyID(industry->founder)) { rubidium@10207: const Company *c = GetCompany(industry->founder); rubidium@10207: const Livery *l = &c->livery[LS_DEFAULT]; belugas@7685: rubidium@10207: is_ai = c->is_ai; belugas@7685: colours = l->colour1 + l->colour2 * 16; belugas@7685: } else { belugas@7685: colours = GB(Random(), 0, 8); belugas@7671: } belugas@7685: belugas@7685: return industry->founder | (is_ai ? 0x10000 : 0) | (colours << 24); belugas@7671: } belugas@7671: belugas@9487: case 0x46: return industry->construction_date; // Date when built - long format - (in days) belugas@9487: belugas@6868: /* Get industry ID at offset param */ rubidium@7622: case 0x60: return GetIndustryIDAtOffset(GetNearbyTile(parameter, industry->xy), industry); belugas@6835: rubidium@7621: /* Get random tile bits at offset param */ rubidium@7621: case 0x61: rubidium@7621: tile = GetNearbyTile(parameter, tile); rubidium@7621: return (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == industry) ? GetIndustryRandomBits(tile) : 0; belugas@6835: rubidium@7234: /* Land info of nearby tiles */ rubidium@7234: case 0x62: return GetNearbyIndustryTileInformation(parameter, tile, INVALID_INDUSTRY); rubidium@7234: rubidium@7234: /* Animation stage of nearby tiles */ rubidium@7621: case 0x63: rubidium@7234: tile = GetNearbyTile(parameter, tile); rubidium@7234: if (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == industry) { rubidium@7234: return GetIndustryAnimationState(tile); rubidium@7234: } rubidium@7234: return 0xFFFFFFFF; rubidium@7234: rubidium@7234: /* Distance of nearest industry of given type */ belugas@7314: case 0x64: return GetClosestIndustry(tile, MapNewGRFIndustryType(parameter, indspec->grf_prop.grffile->grfid), industry); belugas@6835: /* Get town zone and Manhattan distance of closest town */ rubidium@8970: case 0x65: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceManhattan(tile, industry->town->xy), 0xFFFF); belugas@6835: /* Get square of Euclidian distance of closes town */ belugas@6835: case 0x66: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceSquare(tile, industry->town->xy), 0xFFFF); belugas@6835: belugas@6835: /* Count of industry, distance of closest instance belugas@7451: * 68 is the same as 67, but with a filtering on selected layout */ belugas@7451: case 0x67: belugas@7451: case 0x68: return GetCountAndDistanceOfClosestInstance(parameter, variable == 0x68 ? GB(GetRegister(0x101), 0, 8) : 0, industry); belugas@6835: rubidium@7610: /* Get a variable from the persistent storage */ rubidium@7610: case 0x7C: return industry->psa.Get(parameter); rubidium@7610: belugas@6835: /* Industry structure access*/ belugas@6835: case 0x80: return industry->xy; belugas@6835: case 0x81: return GB(industry->xy, 8, 8); belugas@6835: /* Pointer to the town the industry is associated with */ rubidium@7191: case 0x82: return industry->town->index; belugas@6835: case 0x83: belugas@6835: case 0x84: rubidium@7186: case 0x85: DEBUG(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported belugas@6835: case 0x86: return industry->width; belugas@6835: case 0x87: return industry->height;// xy dimensions belugas@6835: /* */ belugas@6835: case 0x88: glx@7645: case 0x89: return industry->produced_cargo[variable - 0x88]; rubidium@7165: case 0x8A: return industry->produced_cargo_waiting[0]; rubidium@7165: case 0x8B: return GB(industry->produced_cargo_waiting[0], 8, 8); rubidium@7165: case 0x8C: return industry->produced_cargo_waiting[1]; rubidium@7165: case 0x8D: return GB(industry->produced_cargo_waiting[1], 8, 8); belugas@6835: case 0x8E: belugas@6835: case 0x8F: return industry->production_rate[variable - 0x8E]; belugas@6835: case 0x90: belugas@6835: case 0x91: glx@7645: case 0x92: return industry->accepts_cargo[variable - 0x90]; belugas@6835: case 0x93: return industry->prod_level; belugas@6835: /* amount of cargo produced so far THIS month. */ belugas@6835: case 0x94: return industry->this_month_production[0]; belugas@6835: case 0x95: return GB(industry->this_month_production[0], 8, 8); belugas@6835: case 0x96: return industry->this_month_production[1]; belugas@6835: case 0x97: return GB(industry->this_month_production[1], 8, 8); belugas@6835: /* amount of cargo transported so far THIS month. */ belugas@6835: case 0x98: return industry->this_month_transported[0]; belugas@6835: case 0x99: return GB(industry->this_month_transported[0], 8, 8); belugas@6835: case 0x9A: return industry->this_month_transported[1]; belugas@6835: case 0x9B: return GB(industry->this_month_transported[0], 8, 8); belugas@6835: /* fraction of cargo transported LAST month. */ belugas@6835: case 0x9C: belugas@6835: case 0x9D: return industry->last_month_pct_transported[variable - 0x9C]; belugas@6835: /* amount of cargo produced LAST month. */ belugas@6835: case 0x9E: return industry->last_month_production[0]; belugas@6835: case 0x9F: return GB(industry->last_month_production[0], 8, 8); belugas@6835: case 0xA0: return industry->last_month_production[1]; belugas@6835: case 0xA1: return GB(industry->last_month_production[1], 8, 8); belugas@6835: /* amount of cargo transported last month. */ belugas@6835: case 0xA2: return industry->last_month_transported[0]; belugas@6835: case 0xA3: return GB(industry->last_month_transported[0], 8, 8); belugas@6835: case 0xA4: return industry->last_month_transported[1]; belugas@6835: case 0xA5: return GB(industry->last_month_transported[0], 8, 8); belugas@6835: belugas@6835: case 0xA6: return industry->type; rubidium@7186: case 0xA7: return industry->founder; belugas@6835: case 0xA8: return industry->random_color; frosch@8634: case 0xA9: return Clamp(industry->last_prod_year - ORIGINAL_BASE_YEAR, 0, 255); belugas@6835: case 0xAA: return industry->counter; belugas@6835: case 0xAB: return GB(industry->counter, 8, 8); belugas@6835: case 0xAC: return industry->was_cargo_delivered; rubidium@7186: frosch@8634: case 0xB0: return Clamp(industry->construction_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Date when built since 1920 (in days) rubidium@7186: case 0xB3: return industry->construction_type; // Construction type frosch@8634: case 0xB4: return Clamp(industry->last_cargo_accepted_at - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Date last cargo accepted since 1920 (in days) belugas@6835: } belugas@6835: belugas@6835: DEBUG(grf, 1, "Unhandled industry property 0x%X", variable); belugas@6835: belugas@6835: *available = false; belugas@6835: return (uint32)-1; belugas@6835: } belugas@6835: belugas@6835: static const SpriteGroup *IndustryResolveReal(const ResolverObject *object, const SpriteGroup *group) belugas@6835: { belugas@6835: /* IndustryTile do not have 'real' groups */ belugas@6835: return NULL; belugas@6835: } belugas@6835: rubidium@7621: static uint32 IndustryGetRandomBits(const ResolverObject *object) rubidium@7621: { rubidium@7860: return object->u.industry.ind == NULL ? 0 : object->u.industry.ind->random; rubidium@7621: } rubidium@7621: rubidium@7621: static uint32 IndustryGetTriggers(const ResolverObject *object) rubidium@7621: { rubidium@7860: return object->u.industry.ind == NULL ? 0 : object->u.industry.ind->random_triggers; rubidium@7621: } rubidium@7621: rubidium@7621: static void IndustrySetTriggers(const ResolverObject *object, int triggers) rubidium@7621: { rubidium@7621: if (object->u.industry.ind == NULL) return; rubidium@7860: object->u.industry.ind->random_triggers = triggers; rubidium@7621: } rubidium@7621: belugas@8233: static void NewIndustryResolver(ResolverObject *res, TileIndex tile, Industry *indus, IndustryType type) belugas@6835: { rubidium@7621: res->GetRandomBits = IndustryGetRandomBits; rubidium@7621: res->GetTriggers = IndustryGetTriggers; rubidium@7621: res->SetTriggers = IndustrySetTriggers; belugas@6835: res->GetVariable = IndustryGetVariable; belugas@6835: res->ResolveReal = IndustryResolveReal; belugas@6835: rubidium@7610: res->psa = &indus->psa; belugas@6835: res->u.industry.tile = tile; belugas@6835: res->u.industry.ind = indus; belugas@6884: res->u.industry.gfx = INVALID_INDUSTRYTILE; belugas@8233: res->u.industry.type = type; belugas@6835: rubidium@7327: res->callback = CBID_NO_CALLBACK; belugas@6835: res->callback_param1 = 0; belugas@6835: res->callback_param2 = 0; belugas@6835: res->last_value = 0; belugas@6835: res->trigger = 0; belugas@6835: res->reseed = 0; glx@8756: res->count = 0; frosch@9750: frosch@9750: const IndustrySpec *indspec = GetIndustrySpec(type); frosch@9750: res->grffile = (indspec != NULL ? indspec->grf_prop.grffile : NULL); belugas@6835: } belugas@6835: rubidium@7327: uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile) belugas@6835: { belugas@6835: ResolverObject object; belugas@6835: const SpriteGroup *group; belugas@6835: belugas@8233: NewIndustryResolver(&object, tile, industry, type); belugas@6835: object.callback = callback; belugas@6835: object.callback_param1 = param1; belugas@6835: object.callback_param2 = param2; belugas@6835: belugas@7102: group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object); belugas@6835: if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED; belugas@6835: belugas@6835: return group->g.callback.result; belugas@6835: } rubidium@7168: rubidium@7207: uint32 IndustryLocationGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) rubidium@7207: { rubidium@7668: const Industry *industry = object->u.industry.ind; rubidium@7668: TileIndex tile = object->u.industry.tile; rubidium@7207: rubidium@7207: if (object->scope == VSG_SCOPE_PARENT) { rubidium@7668: return TownGetVariable(variable, parameter, available, industry->town); rubidium@7207: } rubidium@7207: rubidium@7207: switch (variable) { rubidium@7207: case 0x80: return tile; rubidium@7207: case 0x81: return GB(tile, 8, 8); rubidium@7234: rubidium@7207: /* Pointer to the town the industry is associated with */ rubidium@7668: case 0x82: return industry->town->index; rubidium@7207: case 0x83: rubidium@7207: case 0x84: rubidium@7207: case 0x85: DEBUG(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported rubidium@7207: rubidium@7207: /* Number of the layout */ rubidium@7668: case 0x86: return industry->selected_layout; rubidium@7207: rubidium@7207: /* Ground type */ rubidium@7207: case 0x87: return GetTerrainType(tile); rubidium@7207: rubidium@7207: /* Town zone */ rubidium@7668: case 0x88: return GetTownRadiusGroup(industry->town, tile); rubidium@7207: rubidium@7207: /* Manhattan distance of the closest town */ rubidium@7668: case 0x89: return min(DistanceManhattan(industry->town->xy, tile), 255); rubidium@7207: rubidium@7207: /* Lowest height of the tile */ rubidium@7207: case 0x8A: return GetTileZ(tile); rubidium@7207: rubidium@7207: /* Distance to the nearest water/land tile */ rubidium@7668: case 0x8B: return GetClosestWaterDistance(tile, (GetIndustrySpec(industry->type)->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0); rubidium@7207: rubidium@7207: /* Square of Euclidian distance from town */ rubidium@7668: case 0x8D: return min(DistanceSquare(industry->town->xy, tile), 65535); belugas@8415: rubidium@8436: /* 32 random bits */ frosch@8689: case 0x8F: return _industry_creation_random_bits; rubidium@7207: } rubidium@7207: rubidium@7668: /* None of the special ones, so try the general ones */ rubidium@7668: return IndustryGetVariable(object, variable, parameter, available); rubidium@7207: } rubidium@7207: rubidium@8436: bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspec_index, uint32 seed) rubidium@7207: { rubidium@7207: const IndustrySpec *indspec = GetIndustrySpec(type); rubidium@7207: rubidium@7207: ResolverObject object; rubidium@7207: const SpriteGroup *group; rubidium@7207: rubidium@7668: Industry ind; rubidium@7668: ind.index = INVALID_INDUSTRY; rubidium@7668: ind.xy = tile; rubidium@7668: ind.width = 0; rubidium@7668: ind.type = type; rubidium@7668: ind.selected_layout = itspec_index; rubidium@10236: ind.town = ClosestTownFromTile(tile, UINT_MAX); rubidium@7668: belugas@8233: NewIndustryResolver(&object, tile, &ind, type); rubidium@7207: object.GetVariable = IndustryLocationGetVariable; rubidium@7207: object.callback = CBID_INDUSTRY_LOCATION; frosch@8689: _industry_creation_random_bits = seed; rubidium@7207: rubidium@7207: group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object); rubidium@7207: rubidium@7658: /* Unlike the "normal" cases, not having a valid result means we allow rubidium@7658: * the building of the industry, as that's how it's done in TTDP. */ rubidium@10318: if (group == NULL || group->type != SGT_CALLBACK || group->g.callback.result == 0x400) return true; rubidium@7207: rubidium@7750: /* Copy some parameters from the registers to the error message text ref. stack */ rubidium@7750: SwitchToErrorRefStack(); rubidium@7750: PrepareTextRefStackUsage(4); rubidium@7750: SwitchToNormalRefStack(); rubidium@7750: rubidium@7207: switch (group->g.callback.result) { rubidium@7209: case 0x401: _error_message = STR_0239_SITE_UNSUITABLE; break; rubidium@7209: case 0x402: _error_message = STR_0317_CAN_ONLY_BE_BUILT_IN_RAINFOREST; break; rubidium@7209: case 0x403: _error_message = STR_0318_CAN_ONLY_BE_BUILT_IN_DESERT; break; rubidium@7209: default: _error_message = GetGRFStringID(indspec->grf_prop.grffile->grfid, 0xD000 + group->g.callback.result); break; rubidium@7207: } rubidium@7207: rubidium@7207: return false; rubidium@7207: } rubidium@7207: belugas@7260: bool CheckIfCallBackAllowsAvailability(IndustryType type, IndustryAvailabilityCallType creation_type) belugas@7260: { belugas@7260: const IndustrySpec *indspec = GetIndustrySpec(type); belugas@7260: skidd13@7928: if (HasBit(indspec->callback_flags, CBM_IND_AVAILABLE)) { belugas@7260: uint16 res = GetIndustryCallback(CBID_INDUSTRY_AVAILABLE, 0, creation_type, NULL, type, INVALID_TILE); belugas@7260: if (res != CALLBACK_FAILED) { belugas@7260: return (res == 0); belugas@7260: } belugas@7260: } belugas@7260: return true; belugas@7260: } belugas@7260: rubidium@7168: static int32 DerefIndProd(uint field, bool use_register) rubidium@7168: { rubidium@7168: return use_register ? (int32)GetRegister(field) : field; rubidium@7168: } rubidium@7168: rubidium@7168: /** rubidium@7168: * Get the industry production callback and apply it to the industry. rubidium@7168: * @param ind the industry this callback has to be called for rubidium@7168: * @param reason the reason it is called (0 = incoming cargo, 1 = periodic tick callback) rubidium@7168: */ rubidium@7168: void IndustryProductionCallback(Industry *ind, int reason) rubidium@7168: { rubidium@7614: const IndustrySpec *spec = GetIndustrySpec(ind->type); rubidium@7168: ResolverObject object; belugas@8233: NewIndustryResolver(&object, ind->xy, ind, ind->type); rubidium@7614: if ((spec->behaviour & INDUSTRYBEH_PRODCALLBACK_RANDOM) != 0) object.callback_param1 = Random(); rubidium@7958: int multiplier = 1; rubidium@7958: if ((spec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) multiplier = ind->prod_level; rubidium@7168: object.callback_param2 = reason; rubidium@7168: rubidium@7168: for (uint loop = 0;; loop++) { rubidium@7168: SB(object.callback_param2, 8, 16, loop); rubidium@7614: const SpriteGroup *group = Resolve(spec->grf_prop.spritegroup, &object); rubidium@7168: if (group == NULL || group->type != SGT_INDUSTRY_PRODUCTION) break; rubidium@7168: rubidium@7168: bool deref = (group->g.indprod.version == 1); rubidium@7168: rubidium@7168: for (uint i = 0; i < 3; i++) { rubidium@7958: ind->incoming_cargo_waiting[i] = Clamp(ind->incoming_cargo_waiting[i] - DerefIndProd(group->g.indprod.substract_input[i], deref) * multiplier, 0, 0xFFFF); rubidium@7168: } rubidium@7168: for (uint i = 0; i < 2; i++) { rubidium@7958: ind->produced_cargo_waiting[i] = Clamp(ind->produced_cargo_waiting[i] + max(DerefIndProd(group->g.indprod.add_output[i], deref), 0) * multiplier, 0, 0xFFFF); rubidium@7168: } rubidium@7168: rubidium@7168: int32 again = DerefIndProd(group->g.indprod.again, deref); rubidium@7168: if (again == 0) break; rubidium@7168: rubidium@7168: SB(object.callback_param2, 24, 8, again); rubidium@7168: } rubidium@7195: rubidium@7195: InvalidateWindow(WC_INDUSTRY_VIEW, ind->index); rubidium@7168: }