From 9a4a911bdecd3287cc2e28dad93ce56c13a87ec4 Mon Sep 17 00:00:00 2001 From: belugas Date: Sat, 9 Jun 2007 02:05:51 +0000 Subject: (svn r10074) -Add: Addition of IndustryOverrideManager as well as the basic (and unfinished) support for callbacks for industries --- src/newgrf_industries.cpp | 225 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 225 insertions(+) create mode 100644 src/newgrf_industries.cpp (limited to 'src/newgrf_industries.cpp') diff --git a/src/newgrf_industries.cpp b/src/newgrf_industries.cpp new file mode 100644 index 000000000..d07b6cf79 --- /dev/null +++ b/src/newgrf_industries.cpp @@ -0,0 +1,225 @@ +/* $Id$ */ + +/** @file newgrf_industries.cpp */ + +#include "stdafx.h" +#include "openttd.h" +#include "debug.h" +#include "functions.h" +#include "macros.h" +#include "industry.h" +#include "newgrf.h" +#include "newgrf_callbacks.h" +#include "newgrf_spritegroup.h" +#include "newgrf_industries.h" +#include "newgrf_commons.h" + +/* Since the industry IDs defined by the GRF file don't necessarily correlate + * to those used by the game, the IDs used for overriding old industries must be + * translated when the idustry spec is set. */ +IndustryOverrideManager _industry_mngr(NEW_INDUSTRYOFFSET, NUM_INDUSTRYTYPES, INVALID_INDUSTRYTYPE); + +/** + * Finds the distance for the closest tile with water/land given a tile + * @param tile the tile to find the distance too + * @param water whether to find water or land + * @note FAILS when an industry should be seen as water + */ +static uint GetClosestWaterDistance(TileIndex tile, bool water) +{ + TileIndex t; + uint best_dist; + for (t = 1; t < MapSize(); t++) { + if (IsTileType(t, MP_WATER) == water) break; + } + best_dist = DistanceManhattan(tile, t); + + for (; t < MapSize(); t++) { + uint dist = DistanceManhattan(tile, t); + if (dist < best_dist) { + if (IsTileType(t, MP_WATER) == water) best_dist = dist; + } else { + /* When the Y distance between the current row and the 'source' tile + * is larger than the best distance, we've found the best distance */ + if (TileY(t) - TileY(tile) > best_dist) return best_dist; + if (TileX(tile) > TileX(t)) { + /* We can safely skip this many tiles; from here all tiles have a + * higher or equal distance than the best distance */ + t |= MapMaxX(); + continue; + } else { + /* We can safely skip this many tiles; up to here all tiles have a + * higher or equal distance than the best distance */ + t += best_dist - dist; + continue; + } + } + } + + return best_dist; +} + +/** This function implements the industries variables that newGRF defines. + * @param variable that is queried + * @param parameter unused + * @param available will return false if ever the variable asked for does not exist + * @param ind is of course the industry we are inquiring + * @return the value stored in the corresponding variable*/ +uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) +{ + const Industry *industry = object->u.industry.ind; + TileIndex tile = object->u.industry.tile; + const IndustrySpec *indspec = GetIndustrySpec(industry->type); + + switch (variable) { + case 0x40: + case 0x41: + case 0x42: { // waiting cargo, but only if those two callback flags are set + uint16 callback = indspec->callback_flags; + if (callback & (CBM_IND_PRODUCTION_CARGO_ARRIVAL | callback & CBM_IND_PRODUCTION_256_TICKS)) { + return max(industry->cargo_waiting[variable - 0x40], (uint16)0x7FFF); + } else { + return 0; + } + } + /* TODO: somehow determine whether we're in water or not */ + case 0x43: return GetClosestWaterDistance(tile, true); // Manhattan distance of closes dry/water tile + + case 0x60: { /* Get industry ID at offset param */ + /*The parameter of this variable is an offset from the northernmost tile of the industry: + * the high nibble contains the Y offset, the low one the X offset; both are unsigned. + * The high word of the return value is currently reserved, and the low word can be: + * 00xxh if the tile is an industry tile and was defined in the current GRF with ID xx. + * FFxxh if the tile is an industry tile of an old type, and has the ID xx. + * FFFEh if the tile is an industry tile that was defined in another GRF file + * FFFFh if the tile isn't an industry tile, or doesn't belong to the current industry */ + return GetIndustry(GetNearbyTile(parameter, tile))->type; + } + + case 0x61: return 0; // Get random tile bits at offset param + + case 0x62: // Land info of nearby tiles + case 0x63: // Animation stage of nerby tiles + case 0x64: break; // Distance of nearest industry of given type + /* Get town zone and Manhattan distance of closest town */ + case 0x65: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceManhattan(tile, industry->town->xy), 0xFFFF); + /* Get square of Euclidian distance of closes town */ + case 0x66: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceSquare(tile, industry->town->xy), 0xFFFF); + + /* Count of industry, distance of closest instance + * format is rr(reserved) cc(count) dddd(manhattan distance of closest sister) + * A lot more should be done, since it has to check for local id, grf id etc... + * let's just say it is a beginning ;) */ + case 0x67: return GetIndustryTypeCount(industry->type) << 16 | 0; + + /* Industry founder information. + * 0x10 if randomly created or from a map pre-newindustry. + * Else, the company who funded it */ + case 0xA7: return 0x10; + + case 0xB0: // Date when built since 1920 (in days) + case 0xB3: // Construction type + case 0xB4: break; // Date last cargo accepted since 1920 (in days) + + /* Industry structure access*/ + case 0x80: return industry->xy; + case 0x81: return GB(industry->xy, 8, 8); + /* Pointer to the town the industry is associated with */ + case 0x82: + case 0x83: + case 0x84: + case 0x85: break; // not supported + case 0x86: return industry->width; + case 0x87: return industry->height;// xy dimensions + /* */ + case 0x88: + case 0x89: return indspec->produced_cargo[variable - 0x88]; + case 0x8A: return industry->cargo_waiting[0]; + case 0x8B: return GB(industry->cargo_waiting[0], 8, 8); + case 0x8C: return industry->cargo_waiting[1]; + case 0x8D: return GB(industry->cargo_waiting[1], 8, 8); + case 0x8E: + case 0x8F: return industry->production_rate[variable - 0x8E]; + case 0x90: + case 0x91: + case 0x92: return indspec->accepts_cargo[variable - 0x90]; + case 0x93: return industry->prod_level; + /* amount of cargo produced so far THIS month. */ + case 0x94: return industry->this_month_production[0]; + case 0x95: return GB(industry->this_month_production[0], 8, 8); + case 0x96: return industry->this_month_production[1]; + case 0x97: return GB(industry->this_month_production[1], 8, 8); + /* amount of cargo transported so far THIS month. */ + case 0x98: return industry->this_month_transported[0]; + case 0x99: return GB(industry->this_month_transported[0], 8, 8); + case 0x9A: return industry->this_month_transported[1]; + case 0x9B: return GB(industry->this_month_transported[0], 8, 8); + /* fraction of cargo transported LAST month. */ + case 0x9C: + case 0x9D: return industry->last_month_pct_transported[variable - 0x9C]; + /* amount of cargo produced LAST month. */ + case 0x9E: return industry->last_month_production[0]; + case 0x9F: return GB(industry->last_month_production[0], 8, 8); + case 0xA0: return industry->last_month_production[1]; + case 0xA1: return GB(industry->last_month_production[1], 8, 8); + /* amount of cargo transported last month. */ + case 0xA2: return industry->last_month_transported[0]; + case 0xA3: return GB(industry->last_month_transported[0], 8, 8); + case 0xA4: return industry->last_month_transported[1]; + case 0xA5: return GB(industry->last_month_transported[0], 8, 8); + + case 0xA6: return industry->type; + + case 0xA8: return industry->random_color; + case 0xA9: return industry->last_prod_year; // capped? + case 0xAA: return industry->counter; + case 0xAB: return GB(industry->counter, 8, 8); + case 0xAC: return industry->was_cargo_delivered; + } + + DEBUG(grf, 1, "Unhandled industry property 0x%X", variable); + + *available = false; + return (uint32)-1; +} + +static const SpriteGroup *IndustryResolveReal(const ResolverObject *object, const SpriteGroup *group) +{ + /* IndustryTile do not have 'real' groups */ + return NULL; +} + +static void NewIndustryResolver(ResolverObject *res, IndustryType ind_id, TileIndex tile, Industry *indus) +{ + res->GetRandomBits = NULL;//IndustryTileGetRandomBits; + res->GetTriggers = NULL;//IndustryTileGetTriggers; + res->SetTriggers = NULL;//IndustryTileSetTriggers; + res->GetVariable = IndustryGetVariable; + res->ResolveReal = IndustryResolveReal; + + res->u.industry.tile = tile; + res->u.industry.ind = indus; + + res->callback = 0; + res->callback_param1 = 0; + res->callback_param2 = 0; + res->last_value = 0; + res->trigger = 0; + res->reseed = 0; +} + +uint16 GetIndustryCallback(uint16 callback, uint32 param1, uint32 param2, Industry *industry, TileIndex tile) +{ + ResolverObject object; + const SpriteGroup *group; + + NewIndustryResolver(&object, industry->type, tile, industry); + object.callback = callback; + object.callback_param1 = param1; + object.callback_param2 = param2; + + group = Resolve(GetIndustrySpec(industry->type)->grf_prop.spritegroup, &object); + if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED; + + return group->g.callback.result; +} -- cgit v1.2.3-54-g00ecf