belugas@7331: /* $Id$ */ belugas@7331: belugas@7331: /** @file newgrf_industries.cpp */ belugas@7331: belugas@7331: #include "stdafx.h" belugas@7331: #include "openttd.h" belugas@7331: #include "debug.h" rubidium@7703: #include "variables.h" rubidium@7703: #include "landscape.h" belugas@7331: #include "industry.h" belugas@7364: #include "industry_map.h" belugas@7331: #include "newgrf.h" belugas@7331: #include "newgrf_callbacks.h" belugas@7331: #include "newgrf_spritegroup.h" belugas@7331: #include "newgrf_industries.h" rubidium@8356: #include "newgrf_industrytiles.h" belugas@7331: #include "newgrf_commons.h" rubidium@7703: #include "newgrf_text.h" rubidium@7703: #include "newgrf_town.h" rubidium@8627: #include "window_func.h" rubidium@8709: #include "town.h" rubidium@8750: #include "player_func.h" rubidium@8750: #include "player_base.h" rubidium@8771: #include "command_func.h" belugas@7331: rubidium@8760: #include "table/strings.h" rubidium@8760: frosch@9185: static uint32 _industry_creation_random_bits; rubidium@8932: belugas@7331: /* Since the industry IDs defined by the GRF file don't necessarily correlate belugas@7331: * to those used by the game, the IDs used for overriding old industries must be belugas@7331: * translated when the idustry spec is set. */ belugas@7331: IndustryOverrideManager _industry_mngr(NEW_INDUSTRYOFFSET, NUM_INDUSTRYTYPES, INVALID_INDUSTRYTYPE); belugas@7496: IndustryTileOverrideManager _industile_mngr(NEW_INDUSTRYTILEOFFSET, NUM_INDUSTRYTILES, INVALID_INDUSTRYTILE); belugas@7331: rubidium@7729: IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32 grf_id) rubidium@7729: { rubidium@7729: if (grf_type == IT_INVALID) return IT_INVALID; skidd13@8424: if (!HasBit(grf_type, 7)) return GB(grf_type, 0, 6); rubidium@7729: rubidium@7729: return _industry_mngr.GetID(GB(grf_type, 0, 6), grf_id); rubidium@7729: } rubidium@7729: rubidium@8586: static uint32 GetGRFParameter(IndustryType ind_id, byte parameter) rubidium@8586: { rubidium@8586: const IndustrySpec *indspec = GetIndustrySpec(ind_id); rubidium@8586: const GRFFile *file = indspec->grf_prop.grffile; rubidium@8586: rubidium@8586: if (parameter >= file->param_end) return 0; rubidium@8586: return file->param[parameter]; rubidium@8586: } rubidium@8586: belugas@7331: /** belugas@7331: * Finds the distance for the closest tile with water/land given a tile belugas@7331: * @param tile the tile to find the distance too belugas@7331: * @param water whether to find water or land belugas@7331: * @note FAILS when an industry should be seen as water belugas@7331: */ belugas@7331: static uint GetClosestWaterDistance(TileIndex tile, bool water) belugas@7331: { belugas@7331: TileIndex t; rubidium@7732: int best_dist; rubidium@7732: for (t = 0; t < MapSize(); t++) { belugas@7331: if (IsTileType(t, MP_WATER) == water) break; belugas@7331: } rubidium@8095: if (t == MapSize() && !water) return 0x200; belugas@7331: best_dist = DistanceManhattan(tile, t); belugas@7331: belugas@7331: for (; t < MapSize(); t++) { rubidium@7732: int dist = DistanceManhattan(tile, t); belugas@7331: if (dist < best_dist) { belugas@7331: if (IsTileType(t, MP_WATER) == water) best_dist = dist; belugas@7331: } else { belugas@7331: /* When the Y distance between the current row and the 'source' tile belugas@7331: * is larger than the best distance, we've found the best distance */ rubidium@7732: if ((int)TileY(t) - (int)TileY(tile) > best_dist) break; rubidium@8100: if ((int)TileX(t) - (int)TileX(tile) > best_dist) { belugas@7331: /* We can safely skip this many tiles; from here all tiles have a belugas@7331: * higher or equal distance than the best distance */ belugas@7331: t |= MapMaxX(); belugas@7331: continue; rubidium@8100: } else if (TileX(tile) < TileX(t)) { belugas@7331: /* We can safely skip this many tiles; up to here all tiles have a belugas@7331: * higher or equal distance than the best distance */ rubidium@7732: t += max(best_dist - dist, 0); belugas@7331: continue; belugas@7331: } belugas@7331: } belugas@7331: } belugas@7331: rubidium@8095: return min(best_dist, water ? 0x7F : 0x1FF); belugas@7331: } belugas@7331: belugas@7364: /** Make an analysis of a tile and check for its belonging to the same belugas@7364: * industry, and/or the same grf file rubidium@8118: * @param tile TileIndex of the tile to query rubidium@8118: * @param i Industry to which to compare the tile to belugas@7364: * @return value encoded as per NFO specs */ rubidium@8118: uint32 GetIndustryIDAtOffset(TileIndex tile, const Industry *i) belugas@7364: { glx@8202: if (!IsTileType(tile, MP_INDUSTRY) || GetIndustryIndex(tile) != i->index) { rubidium@8118: /* No industry and/or the tile does not have the same industry as the one we match it with */ rubidium@8118: return 0xFFFF; rubidium@8118: } belugas@7364: rubidium@8118: IndustryGfx gfx = GetCleanIndustryGfx(tile); rubidium@8118: const IndustryTileSpec *indtsp = GetIndustryTileSpec(gfx); rubidium@8118: const IndustrySpec *indold = GetIndustrySpec(i->type); belugas@7364: rubidium@8118: if (gfx < NEW_INDUSTRYOFFSET) { // Does it belongs to an old type? rubidium@8118: /* It is an old tile. We have to see if it's been overriden */ rubidium@8118: if (indtsp->grf_prop.override == INVALID_INDUSTRYTILE) { // has it been overridden? rubidium@8118: return 0xFF << 8 | gfx; // no. Tag FF + the gfx id of that tile rubidium@8118: } rubidium@8118: /* Not overriden */ rubidium@8118: const IndustryTileSpec *tile_ovr = GetIndustryTileSpec(indtsp->grf_prop.override); rubidium@8118: rubidium@8118: if (tile_ovr->grf_prop.grffile->grfid == indold->grf_prop.grffile->grfid) { rubidium@8118: return tile_ovr->grf_prop.local_id; // same grf file rubidium@8118: } else { rubidium@8118: return 0xFFFE; // not the same grf file belugas@7364: } belugas@7364: } rubidium@8118: /* Not an 'old type' tile */ rubidium@8118: if (indtsp->grf_prop.spritegroup != NULL) { // tile has a spritegroup ? rubidium@8118: if (indtsp->grf_prop.grffile->grfid == indold->grf_prop.grffile->grfid) { // same industry, same grf ? rubidium@8118: return indtsp->grf_prop.local_id; rubidium@8118: } else { rubidium@8118: return 0xFFFE; // Defined in another grf file rubidium@8118: } rubidium@8118: } rubidium@8118: /* The tile has no spritegroup */ rubidium@8118: return 0xFF << 8 | indtsp->grf_prop.subst_id; // so just give him the substitute belugas@7364: } belugas@7364: rubidium@7729: static uint32 GetClosestIndustry(TileIndex tile, IndustryType type, const Industry *current) rubidium@7729: { rubidium@7729: uint32 best_dist = MAX_UVALUE(uint32); rubidium@7729: const Industry *i; rubidium@7729: FOR_ALL_INDUSTRIES(i) { rubidium@7729: if (i->type != type || i == current) continue; rubidium@7729: rubidium@7729: best_dist = min(best_dist, DistanceManhattan(tile, i->xy)); rubidium@7729: } rubidium@7729: rubidium@7729: return best_dist; rubidium@7729: } rubidium@7729: belugas@7947: /** Implementation of both var 67 and 68 belugas@7947: * since the mechanism is almost the same, it is easier to regroup them on the same belugas@7947: * function. belugas@7947: * @param param_setID parameter given to the callback, which is the set id, or the local id, in our terminology belugas@7947: * @param layout_filter on what layout do we filter? belugas@7947: * @param current Industry for which the inquiry is made belugas@7947: * @return the formatted answer to the callback : rr(reserved) cc(count) dddd(manhattan distance of closest sister) belugas@7947: */ belugas@7947: static uint32 GetCountAndDistanceOfClosestInstance(byte param_setID, byte layout_filter, const Industry *current) belugas@7947: { belugas@7947: uint32 GrfID = GetRegister(0x100); ///< Get the GRFID of the definition to look for in register 100h belugas@7947: IndustryType ind_index; belugas@7947: uint32 closest_dist = MAX_UVALUE(uint32); belugas@7947: byte count = 0; belugas@7947: belugas@7947: /* Determine what will be the industry type to look for */ belugas@7947: switch (GrfID) { belugas@7947: case 0: // this is a default industry type belugas@7947: ind_index = param_setID; belugas@7947: break; belugas@7947: belugas@7947: case 0xFFFFFFFF: // current grf rubidium@8164: GrfID = GetIndustrySpec(current->type)->grf_prop.grffile->grfid; rubidium@8164: /* Fall through */ belugas@7947: belugas@7947: default: //use the grfid specified in register 100h skidd13@8427: SetBit(param_setID, 7); // bit 7 means it is not an old type belugas@7947: ind_index = MapNewGRFIndustryType(param_setID, GrfID); belugas@7947: break; belugas@7947: } belugas@7947: belugas@7947: if (layout_filter == 0) { belugas@7947: /* If the filter is 0, it could be because none was specified as well as being really a 0. belugas@7947: * In either case, just do the regular var67 */ belugas@7947: closest_dist = GetClosestIndustry(current->xy, ind_index, current); belugas@7947: count = GetIndustryTypeCount(ind_index); belugas@7947: } else { belugas@7947: /* Count only those who match the same industry type and layout filter belugas@7947: * Unfortunately, we have to do it manually */ belugas@7947: const Industry *i; belugas@7947: FOR_ALL_INDUSTRIES(i) { belugas@7947: if (i->type == ind_index && i != current && i->selected_layout == layout_filter) { belugas@7947: closest_dist = min(closest_dist, DistanceManhattan(current->xy, i->xy)); belugas@7947: count++; belugas@7947: } belugas@7947: } belugas@7947: } belugas@7947: belugas@7947: return count << 16 | GB(closest_dist, 0, 16); belugas@7947: } belugas@7947: belugas@7331: /** This function implements the industries variables that newGRF defines. belugas@7331: * @param variable that is queried belugas@7331: * @param parameter unused belugas@7331: * @param available will return false if ever the variable asked for does not exist belugas@7331: * @param ind is of course the industry we are inquiring belugas@7331: * @return the value stored in the corresponding variable*/ belugas@7331: uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) belugas@7331: { belugas@7331: const Industry *industry = object->u.industry.ind; rubidium@7703: TileIndex tile = object->u.industry.tile; belugas@8729: IndustryType type = object->u.industry.type; belugas@8729: const IndustrySpec *indspec = GetIndustrySpec(type); belugas@8729: belugas@8729: if (industry == NULL) { belugas@8729: /* industry does not exist, only use those variables that are "safe" */ belugas@8729: switch (variable) { belugas@8729: /* Read GRF parameter */ belugas@8729: case 0x7F: return GetGRFParameter(type, parameter); belugas@8729: /* Manhattan distance of closes dry/water tile */ belugas@8729: case 0x43: return GetClosestWaterDistance(tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0); belugas@8729: } belugas@8729: belugas@8729: DEBUG(grf, 1, "Unhandled property 0x%X (no available industry) in callback 0x%x", variable, object->callback); belugas@8729: belugas@8729: *available = false; belugas@8729: return UINT_MAX; belugas@8729: } belugas@7331: belugas@7331: switch (variable) { belugas@7331: case 0x40: belugas@7331: case 0x41: belugas@7331: case 0x42: { // waiting cargo, but only if those two callback flags are set belugas@7331: uint16 callback = indspec->callback_flags; skidd13@8424: if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) { rubidium@8454: if ((indspec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) { rubidium@8454: return min(industry->incoming_cargo_waiting[variable - 0x40] / industry->prod_level, (uint16)0xFFFF); rubidium@8454: } else { rubidium@8454: return min(industry->incoming_cargo_waiting[variable - 0x40], (uint16)0xFFFF); rubidium@8454: } belugas@7331: } else { belugas@7331: return 0; belugas@7331: } belugas@7331: } rubidium@7703: rubidium@7703: /* Manhattan distance of closes dry/water tile */ rubidium@8164: case 0x43: return GetClosestWaterDistance(tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0); belugas@7331: belugas@7941: /* Layout number */ belugas@7941: case 0x44: return industry->selected_layout; belugas@7941: belugas@8167: /* player info */ belugas@8167: case 0x45: { belugas@8181: byte colours; belugas@8167: bool is_ai = false; belugas@8181: belugas@8167: if (IsValidPlayer(industry->founder)) { belugas@8167: const Player *p = GetPlayer(industry->founder); belugas@8167: const Livery *l = &p->livery[LS_DEFAULT]; belugas@8181: belugas@8167: is_ai = p->is_ai; belugas@8181: colours = l->colour1 + l->colour2 * 16; belugas@8181: } else { belugas@8181: colours = GB(Random(), 0, 8); belugas@8167: } belugas@8181: belugas@8181: return industry->founder | (is_ai ? 0x10000 : 0) | (colours << 24); belugas@8167: } belugas@8167: belugas@7364: /* Get industry ID at offset param */ rubidium@8118: case 0x60: return GetIndustryIDAtOffset(GetNearbyTile(parameter, industry->xy), industry); belugas@7331: rubidium@8117: /* Get random tile bits at offset param */ rubidium@8117: case 0x61: rubidium@8117: tile = GetNearbyTile(parameter, tile); rubidium@8117: return (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == industry) ? GetIndustryRandomBits(tile) : 0; belugas@7331: rubidium@7730: /* Land info of nearby tiles */ rubidium@7730: case 0x62: return GetNearbyIndustryTileInformation(parameter, tile, INVALID_INDUSTRY); rubidium@7730: rubidium@7730: /* Animation stage of nearby tiles */ rubidium@8117: case 0x63: rubidium@7730: tile = GetNearbyTile(parameter, tile); rubidium@7730: if (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == industry) { rubidium@7730: return GetIndustryAnimationState(tile); rubidium@7730: } rubidium@7730: return 0xFFFFFFFF; rubidium@7730: rubidium@7730: /* Distance of nearest industry of given type */ belugas@7810: case 0x64: return GetClosestIndustry(tile, MapNewGRFIndustryType(parameter, indspec->grf_prop.grffile->grfid), industry); belugas@7331: /* Get town zone and Manhattan distance of closest town */ belugas@7331: case 0x65: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceManhattan(tile, industry->town->xy), 0xFFFF); belugas@7331: /* Get square of Euclidian distance of closes town */ belugas@7331: case 0x66: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceSquare(tile, industry->town->xy), 0xFFFF); belugas@7331: belugas@7331: /* Count of industry, distance of closest instance belugas@7947: * 68 is the same as 67, but with a filtering on selected layout */ belugas@7947: case 0x67: belugas@7947: case 0x68: return GetCountAndDistanceOfClosestInstance(parameter, variable == 0x68 ? GB(GetRegister(0x101), 0, 8) : 0, industry); belugas@7331: rubidium@8106: /* Get a variable from the persistent storage */ rubidium@8106: case 0x7C: return industry->psa.Get(parameter); rubidium@8106: rubidium@8586: /* Read GRF parameter */ belugas@8729: case 0x7F: return GetGRFParameter(type, parameter); rubidium@8586: belugas@7331: /* Industry structure access*/ belugas@7331: case 0x80: return industry->xy; belugas@7331: case 0x81: return GB(industry->xy, 8, 8); belugas@7331: /* Pointer to the town the industry is associated with */ rubidium@7687: case 0x82: return industry->town->index; belugas@7331: case 0x83: belugas@7331: case 0x84: rubidium@7682: case 0x85: DEBUG(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported belugas@7331: case 0x86: return industry->width; belugas@7331: case 0x87: return industry->height;// xy dimensions belugas@7331: /* */ belugas@7331: case 0x88: glx@8141: case 0x89: return industry->produced_cargo[variable - 0x88]; rubidium@7661: case 0x8A: return industry->produced_cargo_waiting[0]; rubidium@7661: case 0x8B: return GB(industry->produced_cargo_waiting[0], 8, 8); rubidium@7661: case 0x8C: return industry->produced_cargo_waiting[1]; rubidium@7661: case 0x8D: return GB(industry->produced_cargo_waiting[1], 8, 8); belugas@7331: case 0x8E: belugas@7331: case 0x8F: return industry->production_rate[variable - 0x8E]; belugas@7331: case 0x90: belugas@7331: case 0x91: glx@8141: case 0x92: return industry->accepts_cargo[variable - 0x90]; belugas@7331: case 0x93: return industry->prod_level; belugas@7331: /* amount of cargo produced so far THIS month. */ belugas@7331: case 0x94: return industry->this_month_production[0]; belugas@7331: case 0x95: return GB(industry->this_month_production[0], 8, 8); belugas@7331: case 0x96: return industry->this_month_production[1]; belugas@7331: case 0x97: return GB(industry->this_month_production[1], 8, 8); belugas@7331: /* amount of cargo transported so far THIS month. */ belugas@7331: case 0x98: return industry->this_month_transported[0]; belugas@7331: case 0x99: return GB(industry->this_month_transported[0], 8, 8); belugas@7331: case 0x9A: return industry->this_month_transported[1]; belugas@7331: case 0x9B: return GB(industry->this_month_transported[0], 8, 8); belugas@7331: /* fraction of cargo transported LAST month. */ belugas@7331: case 0x9C: belugas@7331: case 0x9D: return industry->last_month_pct_transported[variable - 0x9C]; belugas@7331: /* amount of cargo produced LAST month. */ belugas@7331: case 0x9E: return industry->last_month_production[0]; belugas@7331: case 0x9F: return GB(industry->last_month_production[0], 8, 8); belugas@7331: case 0xA0: return industry->last_month_production[1]; belugas@7331: case 0xA1: return GB(industry->last_month_production[1], 8, 8); belugas@7331: /* amount of cargo transported last month. */ belugas@7331: case 0xA2: return industry->last_month_transported[0]; belugas@7331: case 0xA3: return GB(industry->last_month_transported[0], 8, 8); belugas@7331: case 0xA4: return industry->last_month_transported[1]; belugas@7331: case 0xA5: return GB(industry->last_month_transported[0], 8, 8); belugas@7331: belugas@7331: case 0xA6: return industry->type; rubidium@7682: case 0xA7: return industry->founder; belugas@7331: case 0xA8: return industry->random_color; frosch@9130: case 0xA9: return Clamp(industry->last_prod_year - ORIGINAL_BASE_YEAR, 0, 255); belugas@7331: case 0xAA: return industry->counter; belugas@7331: case 0xAB: return GB(industry->counter, 8, 8); belugas@7331: case 0xAC: return industry->was_cargo_delivered; rubidium@7682: frosch@9130: case 0xB0: return Clamp(industry->construction_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Date when built since 1920 (in days) rubidium@7682: case 0xB3: return industry->construction_type; // Construction type frosch@9130: 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@7331: } belugas@7331: belugas@7331: DEBUG(grf, 1, "Unhandled industry property 0x%X", variable); belugas@7331: belugas@7331: *available = false; belugas@7331: return (uint32)-1; belugas@7331: } belugas@7331: belugas@7331: static const SpriteGroup *IndustryResolveReal(const ResolverObject *object, const SpriteGroup *group) belugas@7331: { belugas@7331: /* IndustryTile do not have 'real' groups */ belugas@7331: return NULL; belugas@7331: } belugas@7331: rubidium@8117: static uint32 IndustryGetRandomBits(const ResolverObject *object) rubidium@8117: { rubidium@8356: return object->u.industry.ind == NULL ? 0 : object->u.industry.ind->random; rubidium@8117: } rubidium@8117: rubidium@8117: static uint32 IndustryGetTriggers(const ResolverObject *object) rubidium@8117: { rubidium@8356: return object->u.industry.ind == NULL ? 0 : object->u.industry.ind->random_triggers; rubidium@8117: } rubidium@8117: rubidium@8117: static void IndustrySetTriggers(const ResolverObject *object, int triggers) rubidium@8117: { rubidium@8117: if (object->u.industry.ind == NULL) return; rubidium@8356: object->u.industry.ind->random_triggers = triggers; rubidium@8117: } rubidium@8117: belugas@8729: static void NewIndustryResolver(ResolverObject *res, TileIndex tile, Industry *indus, IndustryType type) belugas@7331: { rubidium@8117: res->GetRandomBits = IndustryGetRandomBits; rubidium@8117: res->GetTriggers = IndustryGetTriggers; rubidium@8117: res->SetTriggers = IndustrySetTriggers; belugas@7331: res->GetVariable = IndustryGetVariable; belugas@7331: res->ResolveReal = IndustryResolveReal; belugas@7331: rubidium@8106: res->psa = &indus->psa; belugas@7331: res->u.industry.tile = tile; belugas@7331: res->u.industry.ind = indus; belugas@7380: res->u.industry.gfx = INVALID_INDUSTRYTILE; belugas@8729: res->u.industry.type = type; belugas@7331: rubidium@7823: res->callback = CBID_NO_CALLBACK; belugas@7331: res->callback_param1 = 0; belugas@7331: res->callback_param2 = 0; belugas@7331: res->last_value = 0; belugas@7331: res->trigger = 0; belugas@7331: res->reseed = 0; belugas@7331: } belugas@7331: rubidium@7823: uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile) belugas@7331: { belugas@7331: ResolverObject object; belugas@7331: const SpriteGroup *group; belugas@7331: belugas@8729: NewIndustryResolver(&object, tile, industry, type); belugas@7331: object.callback = callback; belugas@7331: object.callback_param1 = param1; belugas@7331: object.callback_param2 = param2; belugas@7331: belugas@7598: group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object); belugas@7331: if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED; belugas@7331: belugas@7331: return group->g.callback.result; belugas@7331: } rubidium@7664: rubidium@7703: uint32 IndustryLocationGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) rubidium@7703: { rubidium@8164: const Industry *industry = object->u.industry.ind; rubidium@8164: TileIndex tile = object->u.industry.tile; rubidium@7703: rubidium@7703: if (object->scope == VSG_SCOPE_PARENT) { rubidium@8164: return TownGetVariable(variable, parameter, available, industry->town); rubidium@7703: } rubidium@7703: rubidium@7703: switch (variable) { rubidium@7703: case 0x80: return tile; rubidium@7703: case 0x81: return GB(tile, 8, 8); rubidium@7730: rubidium@7703: /* Pointer to the town the industry is associated with */ rubidium@8164: case 0x82: return industry->town->index; rubidium@7703: case 0x83: rubidium@7703: case 0x84: rubidium@7703: case 0x85: DEBUG(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported rubidium@7703: rubidium@7703: /* Number of the layout */ rubidium@8164: case 0x86: return industry->selected_layout; rubidium@7703: rubidium@7703: /* Ground type */ rubidium@7703: case 0x87: return GetTerrainType(tile); rubidium@7703: rubidium@7703: /* Town zone */ rubidium@8164: case 0x88: return GetTownRadiusGroup(industry->town, tile); rubidium@7703: rubidium@7703: /* Manhattan distance of the closest town */ rubidium@8164: case 0x89: return min(DistanceManhattan(industry->town->xy, tile), 255); rubidium@7703: rubidium@7703: /* Lowest height of the tile */ rubidium@7703: case 0x8A: return GetTileZ(tile); rubidium@7703: rubidium@7703: /* Distance to the nearest water/land tile */ rubidium@8164: case 0x8B: return GetClosestWaterDistance(tile, (GetIndustrySpec(industry->type)->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0); rubidium@7703: rubidium@7703: /* Square of Euclidian distance from town */ rubidium@8164: case 0x8D: return min(DistanceSquare(industry->town->xy, tile), 65535); belugas@8911: rubidium@8932: /* 32 random bits */ frosch@9185: case 0x8F: return _industry_creation_random_bits; rubidium@7703: } rubidium@7703: rubidium@8164: /* None of the special ones, so try the general ones */ rubidium@8164: return IndustryGetVariable(object, variable, parameter, available); rubidium@7703: } rubidium@7703: rubidium@8932: bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspec_index, uint32 seed) rubidium@7703: { rubidium@7703: const IndustrySpec *indspec = GetIndustrySpec(type); rubidium@7703: rubidium@7703: ResolverObject object; rubidium@7703: const SpriteGroup *group; rubidium@7703: rubidium@8164: Industry ind; rubidium@8164: ind.index = INVALID_INDUSTRY; rubidium@8164: ind.xy = tile; rubidium@8164: ind.width = 0; rubidium@8164: ind.type = type; rubidium@8164: ind.selected_layout = itspec_index; rubidium@8164: ind.town = ClosestTownFromTile(tile, (uint)-1); rubidium@8164: belugas@8729: NewIndustryResolver(&object, tile, &ind, type); rubidium@7703: object.GetVariable = IndustryLocationGetVariable; rubidium@7703: object.callback = CBID_INDUSTRY_LOCATION; frosch@9185: _industry_creation_random_bits = seed; rubidium@7703: rubidium@7703: group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object); rubidium@7703: rubidium@8154: /* Unlike the "normal" cases, not having a valid result means we allow rubidium@8154: * the building of the industry, as that's how it's done in TTDP. */ rubidium@8154: if (group == NULL || group->type != SGT_CALLBACK) return true; rubidium@7703: rubidium@8246: /* Copy some parameters from the registers to the error message text ref. stack */ rubidium@8246: SwitchToErrorRefStack(); rubidium@8246: PrepareTextRefStackUsage(4); rubidium@8246: SwitchToNormalRefStack(); rubidium@8246: rubidium@7703: switch (group->g.callback.result) { rubidium@7703: case 0x400: return true; rubidium@7705: case 0x401: _error_message = STR_0239_SITE_UNSUITABLE; break; rubidium@7705: case 0x402: _error_message = STR_0317_CAN_ONLY_BE_BUILT_IN_RAINFOREST; break; rubidium@7705: case 0x403: _error_message = STR_0318_CAN_ONLY_BE_BUILT_IN_DESERT; break; rubidium@7705: default: _error_message = GetGRFStringID(indspec->grf_prop.grffile->grfid, 0xD000 + group->g.callback.result); break; rubidium@7703: } rubidium@7703: rubidium@7703: return false; rubidium@7703: } rubidium@7703: belugas@7756: bool CheckIfCallBackAllowsAvailability(IndustryType type, IndustryAvailabilityCallType creation_type) belugas@7756: { belugas@7756: const IndustrySpec *indspec = GetIndustrySpec(type); belugas@7756: skidd13@8424: if (HasBit(indspec->callback_flags, CBM_IND_AVAILABLE)) { belugas@7756: uint16 res = GetIndustryCallback(CBID_INDUSTRY_AVAILABLE, 0, creation_type, NULL, type, INVALID_TILE); belugas@7756: if (res != CALLBACK_FAILED) { belugas@7756: return (res == 0); belugas@7756: } belugas@7756: } belugas@7756: return true; belugas@7756: } belugas@7756: rubidium@7664: static int32 DerefIndProd(uint field, bool use_register) rubidium@7664: { rubidium@7664: return use_register ? (int32)GetRegister(field) : field; rubidium@7664: } rubidium@7664: rubidium@7664: /** rubidium@7664: * Get the industry production callback and apply it to the industry. rubidium@7664: * @param ind the industry this callback has to be called for rubidium@7664: * @param reason the reason it is called (0 = incoming cargo, 1 = periodic tick callback) rubidium@7664: */ rubidium@7664: void IndustryProductionCallback(Industry *ind, int reason) rubidium@7664: { rubidium@8110: const IndustrySpec *spec = GetIndustrySpec(ind->type); rubidium@7664: ResolverObject object; belugas@8729: NewIndustryResolver(&object, ind->xy, ind, ind->type); rubidium@8110: if ((spec->behaviour & INDUSTRYBEH_PRODCALLBACK_RANDOM) != 0) object.callback_param1 = Random(); rubidium@8454: int multiplier = 1; rubidium@8454: if ((spec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) multiplier = ind->prod_level; rubidium@7664: object.callback_param2 = reason; rubidium@7664: rubidium@7664: for (uint loop = 0;; loop++) { rubidium@7664: SB(object.callback_param2, 8, 16, loop); rubidium@8110: const SpriteGroup *group = Resolve(spec->grf_prop.spritegroup, &object); rubidium@7664: if (group == NULL || group->type != SGT_INDUSTRY_PRODUCTION) break; rubidium@7664: rubidium@7664: bool deref = (group->g.indprod.version == 1); rubidium@7664: rubidium@7664: for (uint i = 0; i < 3; i++) { rubidium@8454: ind->incoming_cargo_waiting[i] = Clamp(ind->incoming_cargo_waiting[i] - DerefIndProd(group->g.indprod.substract_input[i], deref) * multiplier, 0, 0xFFFF); rubidium@7664: } rubidium@7664: for (uint i = 0; i < 2; i++) { rubidium@8454: 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@7664: } rubidium@7664: rubidium@7664: int32 again = DerefIndProd(group->g.indprod.again, deref); rubidium@7664: if (again == 0) break; rubidium@7664: rubidium@7664: SB(object.callback_param2, 24, 8, again); rubidium@7664: } rubidium@7691: rubidium@7691: InvalidateWindow(WC_INDUSTRY_VIEW, ind->index); rubidium@7664: }