truelight@0: #include "stdafx.h" truelight@0: truelight@0: #include truelight@0: truelight@0: #include "ttd.h" truelight@0: #include "gfx.h" truelight@0: #include "fileio.h" truelight@0: #include "engine.h" celestar@389: #include "station.h" darkvater@405: #include "sprite.h" truelight@0: truelight@0: /* TTDPatch extended GRF format codec truelight@0: * (c) Petr Baudis 2004 (GPL'd) celestar@356: * Changes by Florian octo Forster are (c) by the OpenTTD development team. celestar@356: * truelight@0: * Contains portions of documentation by TTDPatch team. truelight@0: * Thanks especially to Josef Drexler for the documentation as well as a lot truelight@0: * of help at #tycoon. Also thanks to Michael Blunck for is GRF files which truelight@0: * served as subject to the initial testing of this codec. */ truelight@0: truelight@0: extern int _skip_sprites; darkvater@361: extern int _replace_sprites_count[16]; darkvater@361: extern int _replace_sprites_offset[16]; darkvater@420: extern int _traininfo_vehicle_pitch; truelight@0: darkvater@366: struct GRFFile { darkvater@366: char *filename; darkvater@366: uint32 grfid; darkvater@366: uint16 flags; darkvater@366: uint16 sprite_offset; darkvater@366: struct GRFFile *next; celestar@389: celestar@389: /* A sprite group contains all sprites of a given vehicle (or multiple celestar@389: * vehicles) when carrying given cargo. It consists of several sprite celestar@389: * sets. Group ids are refered as "cargo id"s by TTDPatch celestar@389: * documentation, contributing to the global confusion. celestar@389: * celestar@389: * A sprite set contains all sprites of a given vehicle carrying given celestar@389: * cargo at a given *stage* - that is usually its load stage. Ie. you celestar@389: * can have a spriteset for an empty wagon, wagon full of coal, celestar@389: * half-filled wagon etc. Each spriteset contains eight sprites (one celestar@389: * per direction) or four sprites if the vehicle is symmetric. */ celestar@389: celestar@389: int spriteset_start; celestar@389: int spriteset_numsets; celestar@389: int spriteset_numents; celestar@389: int spriteset_feature; celestar@389: darkvater@397: int spritegroups_count; darkvater@397: struct SpriteGroup *spritegroups; celestar@389: darkvater@398: struct StationSpec stations[256]; darkvater@366: }; darkvater@366: darkvater@366: static struct GRFFile *_cur_grffile, *_first_grffile; truelight@0: static int _cur_spriteid; darkvater@368: static int _cur_stage; miham@441: extern int _custom_sprites_base; truelight@0: darkvater@362: static int32 _paramlist[0x7f]; darkvater@362: static int _param_max; darkvater@362: darkvater@363: /* 32 * 8 = 256 flags. Apparently TTDPatch uses this many.. */ darkvater@363: static uint32 _ttdpatch_flags[8]; darkvater@363: darkvater@363: celestar@373: enum grfspec_feature { celestar@373: GSF_TRAIN, celestar@373: GSF_ROAD, celestar@373: GSF_SHIP, celestar@373: GSF_AIRCRAFT, celestar@373: GSF_STATION, darkvater@391: GSF_BRIDGE, darkvater@391: GSF_TOWNHOUSE, celestar@373: }; celestar@373: celestar@373: truelight@0: typedef void (*SpecialSpriteHandler)(byte *buf, int len); truelight@0: celestar@372: static const int _vehcounts[4] = { celestar@373: /* GSF_TRAIN */ NUM_TRAIN_ENGINES, celestar@373: /* GSF_ROAD */ NUM_ROAD_ENGINES, celestar@373: /* GSF_SHIP */ NUM_SHIP_ENGINES, celestar@373: /* GSF_AIRCRAFT */ NUM_AIRCRAFT_ENGINES celestar@372: }; celestar@372: truelight@0: static const int _vehshifts[4] = { celestar@373: /* GSF_TRAIN */ 0, celestar@373: /* GSF_ROAD */ ROAD_ENGINES_INDEX, celestar@373: /* GSF_SHIP */ SHIP_ENGINES_INDEX, celestar@373: /* GSF_AIRCRAFT */ AIRCRAFT_ENGINES_INDEX, truelight@0: }; truelight@0: truelight@0: celestar@379: /* Debugging messages policy: celestar@379: * celestar@379: * These should be the severities used for direct DEBUG() calls celestar@379: * (there is room for exceptions, but you have to have a good cause): celestar@379: * celestar@379: * 0..2 - dedicated to grfmsg() celestar@379: * 3 celestar@379: * 4 celestar@379: * 5 celestar@379: * 6 - action handler entry reporting - one per action celestar@379: * 7 - basic action progress reporting - in loops, only single one allowed celestar@379: * 8 - more detailed progress reporting - less important stuff, in deep loops etc celestar@379: * 9 - extremely detailed progress reporting - detailed reports inside of deep loops and so celestar@379: */ celestar@379: celestar@379: truelight@0: enum grfmsg_severity { truelight@0: GMS_NOTICE, truelight@0: GMS_WARN, truelight@0: GMS_ERROR, truelight@0: GMS_FATAL, truelight@0: }; truelight@0: truelight@0: static void CDECL grfmsg(enum grfmsg_severity severity, const char *str, ...) truelight@0: { truelight@0: static const char * const severitystr[4] = { "Notice", "Warning", "Error", "Fatal" }; celestar@372: int export_severity = 0; darkvater@65: char buf[1024]; truelight@0: va_list va; truelight@0: truelight@0: va_start(va, str); darkvater@65: vsprintf(buf, str, va); truelight@0: va_end(va); celestar@372: celestar@372: export_severity = 2 - (severity == GMS_FATAL ? 2 : severity); celestar@372: DEBUG(grf, export_severity) ("[%s][%s] %s", _cur_grffile->filename, severitystr[severity], buf); truelight@0: } truelight@0: celestar@357: celestar@357: #define check_length(real, wanted, where) \ celestar@357: do { \ celestar@357: if (real < wanted) { \ celestar@357: grfmsg(GMS_ERROR, "%s: Invalid special sprite length %d (expected %d)!", where, real, wanted); \ celestar@357: return; \ celestar@357: } \ celestar@357: } while (0) celestar@357: celestar@357: darkvater@368: static byte INLINE grf_load_byte(byte **buf) darkvater@368: { truelight@0: return *(*buf)++; truelight@0: } truelight@0: truelight@0: static uint16 grf_load_word(byte **buf) truelight@0: { truelight@0: uint16 val; truelight@0: byte *p = *buf; truelight@0: val = p[0]; truelight@0: val |= p[1] << 8; truelight@0: *buf = p + 2; truelight@0: return val; truelight@0: } truelight@0: truelight@0: static uint16 grf_load_dword(byte **buf) truelight@0: { truelight@0: uint32 val; truelight@0: byte *p = *buf; truelight@0: val = p[0]; truelight@0: val |= p[1] << 8; truelight@0: val |= p[2] << 16; truelight@0: val |= p[3] << 24; truelight@0: *buf = p + 4; truelight@0: return val; truelight@0: } truelight@0: celestar@357: darkvater@366: static struct GRFFile *GetFileByGRFID(uint32 grfid) darkvater@366: { darkvater@366: struct GRFFile *file; darkvater@366: darkvater@366: file = _first_grffile; darkvater@366: while ((file != NULL) && (file->grfid != grfid)) darkvater@366: file = file->next; darkvater@366: darkvater@366: return file; darkvater@366: } darkvater@366: darkvater@368: static struct GRFFile *GetFileByFilename(const char *filename) darkvater@366: { darkvater@366: struct GRFFile *file; darkvater@366: darkvater@366: file = _first_grffile; darkvater@366: while ((file != NULL) && strcmp(file->filename, filename)) darkvater@368: file = file->next; darkvater@366: darkvater@366: return file; darkvater@366: } darkvater@366: darkvater@366: darkvater@360: typedef bool (*VCI_Handler)(uint engine, int numinfo, int prop, byte **buf, int len); truelight@0: miham@439: #define FOR_EACH_OBJECT for (i = 0; i < numinfo; i++) truelight@0: truelight@0: static void dewagonize(int condition, int engine) truelight@0: { truelight@0: EngineInfo *ei = &_engine_info[engine]; truelight@0: RailVehicleInfo *rvi = &_rail_vehicle_info[engine]; truelight@0: celestar@372: if (condition != 0) { truelight@0: ei->unk2 &= ~0x80; truelight@0: rvi->flags &= ~2; truelight@0: } else { truelight@0: ei->unk2 |= 0x80; truelight@0: rvi->flags |= 2; truelight@0: } truelight@0: } truelight@0: darkvater@360: static bool RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len) truelight@0: { truelight@0: EngineInfo *ei = &_engine_info[engine]; truelight@0: RailVehicleInfo *rvi = &_rail_vehicle_info[engine]; truelight@0: byte *buf = *bufp; truelight@0: int i; darkvater@360: bool ret = false; truelight@0: truelight@0: switch (prop) { darkvater@360: case 0x05: { /* Track type */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 tracktype = grf_load_byte(&buf); truelight@0: truelight@0: ei[i].railtype_climates &= 0xf; truelight@0: ei[i].railtype_climates |= tracktype << 4; truelight@0: } darkvater@360: } break; darkvater@360: case 0x08: { /* AI passenger service */ truelight@0: /* TODO */ miham@439: FOR_EACH_OBJECT { truelight@0: grf_load_byte(&buf); truelight@0: } darkvater@360: ret = true; darkvater@360: } break; darkvater@360: case 0x09: { /* Speed */ miham@439: FOR_EACH_OBJECT { truelight@0: uint16 speed = grf_load_word(&buf); truelight@0: truelight@0: rvi[i].max_speed = speed; truelight@0: dewagonize(speed, engine + i); truelight@0: } darkvater@360: } break; darkvater@360: case 0x0B: { /* Power */ miham@439: FOR_EACH_OBJECT { truelight@0: uint16 power = grf_load_word(&buf); truelight@0: truelight@0: rvi[i].power = power; truelight@0: dewagonize(power, engine + i); truelight@0: } darkvater@360: } break; darkvater@360: case 0x0D: { /* Running cost factor */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 runcostfact = grf_load_byte(&buf); truelight@0: truelight@0: rvi[i].running_cost_base = runcostfact; truelight@0: dewagonize(runcostfact, engine + i); truelight@0: } darkvater@360: } break; darkvater@360: case 0x0E: { /* Running cost base */ miham@439: FOR_EACH_OBJECT { truelight@0: uint32 base = grf_load_dword(&buf); truelight@0: truelight@0: switch (base) { darkvater@360: case 0x4C30: truelight@0: rvi[i].engclass = 0; truelight@0: break; darkvater@360: case 0x4C36: truelight@0: rvi[i].engclass = 1; truelight@0: break; darkvater@360: case 0x4C3C: truelight@0: rvi[i].engclass = 2; truelight@0: break; truelight@0: } truelight@0: dewagonize(base, engine + i); truelight@0: } darkvater@360: } break; darkvater@360: case 0x12: { /* Sprite ID */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 spriteid = grf_load_byte(&buf); truelight@0: darkvater@360: if (spriteid == 0xFD && rvi[i].image_index != 0xFD) truelight@0: _engine_original_sprites[engine + i] = rvi[i].image_index; truelight@0: rvi[i].image_index = spriteid; truelight@0: } darkvater@360: } break; darkvater@360: case 0x13: { /* Dual-headed */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 dual = grf_load_byte(&buf); truelight@0: celestar@372: if (dual != 0) { truelight@0: rvi[i].flags |= 1; truelight@0: } else { truelight@0: rvi[i].flags &= ~1; truelight@0: } truelight@0: } darkvater@360: } break; darkvater@360: case 0x14: { /* Cargo capacity */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 capacity = grf_load_byte(&buf); truelight@0: truelight@0: rvi[i].capacity = capacity; truelight@0: } darkvater@360: } break; darkvater@360: case 0x15: { /* Cargo type */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 ctype = grf_load_byte(&buf); truelight@0: truelight@0: rvi[i].cargo_type = ctype; truelight@0: } darkvater@360: } break; darkvater@360: case 0x16: { /* Weight */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 weight = grf_load_byte(&buf); truelight@0: truelight@0: rvi[i].weight = weight; truelight@0: } darkvater@360: } break; darkvater@360: case 0x17: { /* Cost factor */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 cfactor = grf_load_byte(&buf); truelight@0: truelight@0: rvi[i].base_cost = cfactor; truelight@0: } darkvater@360: } break; darkvater@360: case 0x18: { /* AI rank */ truelight@0: /* TODO: _railveh_score should be merged to _rail_vehicle_info. */ miham@439: FOR_EACH_OBJECT { truelight@0: grf_load_byte(&buf); truelight@0: } darkvater@360: ret = true; darkvater@360: } break; darkvater@360: case 0x19: { /* Engine traction type */ truelight@0: /* TODO: What do the individual numbers mean? truelight@0: * XXX: And in what base are they, in fact? --pasky */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 traction = grf_load_byte(&buf); truelight@0: int engclass; truelight@0: truelight@0: if (traction <= 0x07) truelight@0: engclass = 0; truelight@0: else if (traction <= 0x27) truelight@0: engclass = 1; truelight@0: else if (traction <= 0x31) truelight@0: engclass = 2; truelight@0: else truelight@0: break; truelight@0: truelight@0: rvi[i].engclass = engclass; truelight@0: } darkvater@360: } break; miham@440: case 0x1D: { /* Refit cargo */ miham@440: FOR_EACH_OBJECT { miham@440: uint32 refit_mask = grf_load_dword(&buf); miham@440: miham@440: _engine_refit_masks[engine + i] = refit_mask; miham@440: } miham@440: } break; darkvater@360: truelight@0: /* TODO */ truelight@0: /* Fall-through for unimplemented two bytes long properties. */ darkvater@360: case 0x1B: /* Powered wagons power bonus */ miham@439: FOR_EACH_OBJECT { truelight@0: grf_load_byte(&buf); truelight@0: } truelight@0: /* Fall-through for unimplemented one byte long properties. */ darkvater@360: case 0x1A: /* Sort order */ darkvater@360: case 0x1C: /* Refit cost */ darkvater@360: case 0x1E: /* Callback */ darkvater@360: case 0x1F: /* Tractive effort */ truelight@0: case 0x21: /* Shorter tenders */ truelight@0: case 0x22: /* Visual */ darkvater@360: case 0x23: {/* Powered wagons weight bonus */ truelight@0: /* TODO */ miham@439: FOR_EACH_OBJECT { truelight@0: grf_load_byte(&buf); truelight@0: } darkvater@360: ret = true; darkvater@360: } break; truelight@0: default: darkvater@360: ret = true; truelight@0: } truelight@0: *bufp = buf; truelight@0: return ret; truelight@0: } truelight@0: celestar@378: static bool RoadVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len) celestar@378: { celestar@378: RoadVehicleInfo *rvi = &_road_vehicle_info[engine]; celestar@378: byte *buf = *bufp; celestar@378: int i; celestar@378: bool ret = false; celestar@378: celestar@378: switch (prop) { celestar@378: case 0x08: { /* Speed */ miham@439: FOR_EACH_OBJECT { celestar@378: uint8 speed = grf_load_byte(&buf); celestar@378: celestar@378: rvi[i].max_speed = speed; // ?? units celestar@378: } celestar@378: } break; celestar@378: case 0x09: { /* Running cost factor */ miham@439: FOR_EACH_OBJECT { celestar@378: uint8 runcost = grf_load_byte(&buf); celestar@378: celestar@378: rvi[i].running_cost = runcost; celestar@378: } celestar@378: } break; celestar@378: case 0x0A: /* Running cost base */ celestar@378: /* TODO: I have no idea. --pasky */ miham@439: FOR_EACH_OBJECT { celestar@378: grf_load_byte(&buf); celestar@378: } celestar@378: ret = true; celestar@378: break; celestar@378: case 0x0E: { /* Sprite ID */ miham@439: FOR_EACH_OBJECT { celestar@378: uint8 spriteid = grf_load_byte(&buf); celestar@378: celestar@378: if (spriteid == 0xFF) celestar@378: spriteid = 0xFD; // cars have different custom id in the GRF file celestar@378: celestar@378: // This is currently not used but there's no reason celestar@378: // in not having it here for the future. celestar@378: if (spriteid == 0xFD && rvi[i].image_index != 0xFD) celestar@378: _engine_original_sprites[ROAD_ENGINES_INDEX + engine + i] = rvi[i].image_index; celestar@378: celestar@378: rvi[i].image_index = spriteid; celestar@378: } celestar@378: } break; celestar@378: case 0x0F: { /* Cargo capacity */ miham@439: FOR_EACH_OBJECT { celestar@378: uint16 capacity = grf_load_word(&buf); celestar@378: celestar@378: rvi[i].capacity = capacity; celestar@378: } celestar@378: } break; celestar@378: case 0x10: { /* Cargo type */ miham@439: FOR_EACH_OBJECT { celestar@378: uint8 cargo = grf_load_byte(&buf); celestar@378: celestar@378: rvi[i].cargo_type = cargo; celestar@378: } celestar@378: } break; celestar@378: case 0x11: { /* Cost factor */ miham@439: FOR_EACH_OBJECT { celestar@378: uint8 cost_factor = grf_load_byte(&buf); celestar@378: celestar@378: rvi[i].base_cost = cost_factor; // ?? is it base_cost? celestar@378: } celestar@378: } break; celestar@378: case 0x12: { /* SFX */ miham@439: FOR_EACH_OBJECT { celestar@378: uint8 sfx = grf_load_byte(&buf); celestar@378: celestar@378: rvi[i].sfx = sfx; celestar@378: } celestar@378: } break; celestar@378: case 0x13: /* Power in 10hp */ celestar@378: case 0x14: /* Weight in 1/4 tons */ celestar@378: case 0x15: /* Speed in mph*0.8 */ celestar@378: /* TODO: Support for road vehicles realistic power celestar@378: * computations (called rvpower in TTDPatch) is just celestar@378: * missing in OTTD yet. --pasky */ miham@439: FOR_EACH_OBJECT { celestar@378: grf_load_byte(&buf); celestar@378: } celestar@378: ret = true; celestar@378: break; celestar@378: case 0x16: { /* Cargos available for refitting */ miham@439: FOR_EACH_OBJECT { celestar@378: uint32 refit_mask = grf_load_dword(&buf); celestar@378: celestar@378: _engine_refit_masks[ROAD_ENGINES_INDEX + engine + i] = refit_mask; celestar@378: } celestar@378: } break; celestar@378: case 0x17: /* Callback */ celestar@378: case 0x18: /* Tractive effort */ celestar@378: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@378: grf_load_byte(&buf); celestar@378: } celestar@378: ret = true; celestar@378: break; celestar@378: default: celestar@378: ret = true; celestar@378: } celestar@378: celestar@378: *bufp = buf; celestar@378: return ret; celestar@378: } celestar@378: darkvater@360: static bool ShipVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len) truelight@0: { truelight@0: ShipVehicleInfo *svi = &_ship_vehicle_info[engine]; truelight@0: byte *buf = *bufp; truelight@0: int i; darkvater@360: bool ret = false; truelight@0: truelight@0: //printf("e %x prop %x?\n", engine, prop); truelight@0: switch (prop) { darkvater@360: case 0x08: { /* Sprite ID */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 spriteid = grf_load_byte(&buf); truelight@0: darkvater@360: if (spriteid == 0xFF) darkvater@360: spriteid = 0xFD; // ships have different custom id in the GRF file truelight@0: truelight@0: // This is currently not used but there's no reason truelight@0: // in not having it here for the future. darkvater@360: if (spriteid == 0xFD && svi[i].image_index != 0xFD) darkvater@360: _engine_original_sprites[SHIP_ENGINES_INDEX + engine + i] = svi[i].image_index; darkvater@360: truelight@0: svi[i].image_index = spriteid; truelight@0: } darkvater@360: } break; darkvater@360: case 0x09: { /* Refittable */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 refittable = grf_load_byte(&buf); truelight@0: truelight@0: svi[i].refittable = refittable; truelight@0: } darkvater@360: } break; darkvater@360: case 0x0A: { /* Cost factor */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 cost_factor = grf_load_byte(&buf); truelight@0: truelight@0: svi[i].base_cost = cost_factor; // ?? is it base_cost? truelight@0: } darkvater@360: } break; darkvater@360: case 0x0B: { /* Speed */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 speed = grf_load_byte(&buf); truelight@0: truelight@0: svi[i].max_speed = speed; // ?? units truelight@0: } darkvater@360: } break; darkvater@360: case 0x0C: { /* Cargo type */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 cargo = grf_load_byte(&buf); truelight@0: truelight@0: // XXX: Need to consult this with patchman yet. truelight@0: #if 0 truelight@0: // Documentation claims this is already the truelight@0: // per-landscape cargo type id, but newships.grf truelight@0: // assume otherwise. truelight@0: cargo = local_cargo_id_ctype[cargo]; truelight@0: #endif truelight@0: svi[i].cargo_type = cargo; truelight@0: } darkvater@360: } break; darkvater@360: case 0x0D: { /* Cargo capacity */ miham@439: FOR_EACH_OBJECT { truelight@0: uint16 capacity = grf_load_word(&buf); truelight@0: truelight@0: svi[i].capacity = capacity; truelight@0: } darkvater@360: } break; darkvater@360: case 0x0F: { /* Running cost factor */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 runcost = grf_load_byte(&buf); truelight@0: truelight@0: svi[i].running_cost = runcost; truelight@0: } darkvater@360: } break; darkvater@360: case 0x10: { /* SFX */ miham@439: FOR_EACH_OBJECT { truelight@0: uint8 sfx = grf_load_byte(&buf); truelight@0: truelight@0: svi[i].sfx = sfx; truelight@0: } darkvater@360: } break; darkvater@360: case 0x11: { /* Cargos available for refitting */ miham@439: FOR_EACH_OBJECT { truelight@0: uint32 refit_mask = grf_load_dword(&buf); truelight@0: truelight@0: _engine_refit_masks[SHIP_ENGINES_INDEX + engine + i] = refit_mask; truelight@0: } darkvater@360: } break; darkvater@360: case 0x12: { /* Callback TODO */ darkvater@360: ret = true; darkvater@360: } break; truelight@0: default: darkvater@360: ret = true; truelight@0: } truelight@0: truelight@0: *bufp = buf; truelight@0: return ret; truelight@0: } truelight@0: darkvater@381: static bool AircraftVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len) darkvater@381: { darkvater@381: AircraftVehicleInfo *avi = &_aircraft_vehicle_info[engine]; darkvater@381: byte *buf = *bufp; darkvater@381: int i; darkvater@381: bool ret = false; darkvater@381: darkvater@381: //printf("e %x prop %x?\n", engine, prop); darkvater@381: switch (prop) { darkvater@381: case 0x08: { /* Sprite ID */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 spriteid = grf_load_byte(&buf); darkvater@381: darkvater@381: if (spriteid == 0xFF) darkvater@381: spriteid = 0xFD; // ships have different custom id in the GRF file darkvater@381: darkvater@381: // This is currently not used but there's no reason darkvater@381: // in not having it here for the future. darkvater@381: if (spriteid == 0xFD && avi[i].image_index != 0xFD) darkvater@381: _engine_original_sprites[AIRCRAFT_ENGINES_INDEX + engine + i] = avi[i].image_index; darkvater@381: darkvater@381: avi[i].image_index = spriteid; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x09: { /* Helicopter */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 heli = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].subtype = (heli == 0) ? 0 : 1; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x0A: { /* Large */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 large = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].subtype = (large == 1) ? 3 : 1; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x0B: { /* Cost factor */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 cost_factor = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].base_cost = cost_factor; // ?? is it base_cost? darkvater@381: } darkvater@381: } break; darkvater@381: case 0x0C: { /* Speed */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 speed = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].max_speed = speed; // ?? units darkvater@381: } darkvater@381: } break; darkvater@381: case 0x0D: { /* Acceleration */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 accel = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].acceleration = accel; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x0E: { /* Running cost factor */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 runcost = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].running_cost = runcost; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x0F: { /* Passenger capacity */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint16 capacity = grf_load_word(&buf); darkvater@381: darkvater@381: avi[i].passanger_capacity = capacity; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x11: { /* Mail capacity */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 capacity = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].mail_capacity = capacity; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x12: { /* SFX */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint8 sfx = grf_load_byte(&buf); darkvater@381: darkvater@381: avi[i].sfx = sfx; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x13: { /* Cargos available for refitting */ miham@439: FOR_EACH_OBJECT { darkvater@381: uint32 refit_mask = grf_load_dword(&buf); darkvater@381: darkvater@381: _engine_refit_masks[AIRCRAFT_ENGINES_INDEX + engine + i] = refit_mask; darkvater@381: } darkvater@381: } break; darkvater@381: case 0x14: { /* Callback TODO */ darkvater@381: ret = true; darkvater@381: } break; darkvater@381: default: darkvater@381: ret = true; darkvater@381: } darkvater@381: darkvater@381: *bufp = buf; darkvater@381: return ret; darkvater@381: } darkvater@381: celestar@389: static bool StationChangeInfo(uint stid, int numinfo, int prop, byte **bufp, int len) celestar@389: { celestar@389: byte *buf = *bufp; celestar@389: int i; celestar@389: int ret = 0; celestar@389: celestar@389: /* This is one single huge TODO. It doesn't handle anything more than celestar@389: * just waypoints for now. */ celestar@389: darkvater@391: /* TODO: Differentiate between railtypes. This is missing in the new darkvater@391: * GRF file specification yet, though, so I need to agree on this with darkvater@391: * patchman yet. We just assume all the station stuff is for railtype 0 darkvater@391: * (railroad) for now. --pasky */ darkvater@391: celestar@389: //printf("sci %d %d [0x%02x]\n", stid, numinfo, prop); celestar@389: switch (prop) { celestar@389: case 0x08: celestar@389: { /* Class ID */ miham@439: FOR_EACH_OBJECT { darkvater@398: struct StationSpec *stat = &_cur_grffile->stations[stid + i]; miham@438: uint32 classid; darkvater@398: celestar@389: /* classid, for a change, is always little-endian */ miham@438: classid = *(buf++) << 24; miham@438: classid |= *(buf++) << 16; miham@438: classid |= *(buf++) << 8; miham@438: classid |= *(buf++); miham@438: miham@438: switch (classid) { miham@438: case 'DFLT': miham@438: stat->sclass = STAT_CLASS_DFLT; miham@438: break; miham@438: case 'WAYP': miham@438: stat->sclass = STAT_CLASS_WAYP; miham@438: break; miham@438: default: miham@438: stat->sclass = STAT_CLASS_CUSTOM; miham@438: break; miham@438: } celestar@389: } celestar@389: break; celestar@389: } celestar@389: case 0x09: celestar@389: { /* Define sprite layout */ miham@439: FOR_EACH_OBJECT { darkvater@398: struct StationSpec *stat = &_cur_grffile->stations[stid + i]; celestar@389: int t; darkvater@398: darkvater@398: stat->tiles = grf_load_byte(&buf); darkvater@398: for (t = 0; t < stat->tiles; t++) { darkvater@398: DrawTileSprites *dts = &stat->renderdata[t]; celestar@389: int seq_count = 0; celestar@389: celestar@389: if (t >= 8) { celestar@389: grfmsg(GMS_WARN, "StationChangeInfo: Sprite %d>=8, skipping.", t); celestar@389: grf_load_dword(&buf); // at least something celestar@389: continue; celestar@389: } celestar@389: celestar@389: dts->ground_sprite = grf_load_dword(&buf); celestar@389: if (!dts->ground_sprite) { celestar@389: static const DrawTileSeqStruct empty = {0x80}; celestar@389: dts->seq = ∅ celestar@389: continue; celestar@389: } celestar@389: celestar@389: dts->seq = NULL; celestar@389: while (buf < *bufp + len) { celestar@389: DrawTileSeqStruct *dtss; celestar@389: celestar@389: // no relative bounding box support celestar@389: dts->seq = realloc((void*)dts->seq, ++seq_count * sizeof(DrawTileSeqStruct)); celestar@389: dtss = (DrawTileSeqStruct*) &dts->seq[seq_count - 1]; celestar@389: celestar@389: dtss->delta_x = grf_load_byte(&buf); celestar@389: if ((byte) dtss->delta_x == 0x80) break; celestar@389: dtss->delta_y = grf_load_byte(&buf); celestar@389: dtss->delta_z = grf_load_byte(&buf); celestar@389: dtss->width = grf_load_byte(&buf); celestar@389: dtss->height = grf_load_byte(&buf); celestar@389: dtss->unk = grf_load_byte(&buf); celestar@389: dtss->image = grf_load_dword(&buf) - 0x42d; celestar@389: } celestar@389: } celestar@389: } celestar@389: break; celestar@389: } celestar@389: case 0x0a: celestar@389: { /* Copy sprite layout */ miham@439: FOR_EACH_OBJECT { darkvater@398: struct StationSpec *stat = &_cur_grffile->stations[stid + i]; darkvater@398: byte srcid = grf_load_byte(&buf); darkvater@398: struct StationSpec *srcstat = &_cur_grffile->stations[srcid]; celestar@389: int t; darkvater@398: darkvater@398: stat->tiles = srcstat->tiles; darkvater@398: for (t = 0; t < stat->tiles; t++) { darkvater@398: DrawTileSprites *dts = &stat->renderdata[t]; darkvater@398: DrawTileSprites *sdts = &srcstat->renderdata[t]; celestar@389: DrawTileSeqStruct const *sdtss = sdts->seq; celestar@389: int seq_count = 0; celestar@389: celestar@389: dts->ground_sprite = sdts->ground_sprite; celestar@389: if (!dts->ground_sprite) { celestar@389: static const DrawTileSeqStruct empty = {0x80}; celestar@389: dts->seq = ∅ celestar@389: continue; celestar@389: } celestar@389: celestar@389: dts->seq = NULL; celestar@389: while (1) { celestar@389: DrawTileSeqStruct *dtss; celestar@389: celestar@389: // no relative bounding box support celestar@389: dts->seq = realloc((void*)dts->seq, ++seq_count * sizeof(DrawTileSeqStruct)); celestar@389: dtss = (DrawTileSeqStruct*) &dts->seq[seq_count - 1]; celestar@389: *dtss = *sdtss; celestar@389: if ((byte) dtss->delta_x == 0x80) break; celestar@389: sdtss++; celestar@389: } celestar@389: } celestar@389: } celestar@389: break; celestar@389: } celestar@389: case 0x0b: celestar@389: { /* Callback */ celestar@389: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@389: grf_load_byte(&buf); celestar@389: } celestar@389: ret = 1; celestar@389: break; celestar@389: } celestar@389: case 0x0c: celestar@389: { /* Platforms number */ celestar@389: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@389: grf_load_byte(&buf); celestar@389: } celestar@389: ret = 1; celestar@389: break; celestar@389: } celestar@389: case 0x0d: celestar@389: { /* Platforms length */ celestar@389: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@389: grf_load_byte(&buf); celestar@389: } celestar@389: ret = 1; celestar@389: break; celestar@389: } celestar@389: case 0x0e: celestar@389: { /* Define custom layout */ celestar@389: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@389: while (buf < *bufp + len) { celestar@389: byte length = grf_load_byte(&buf); celestar@389: byte number = grf_load_byte(&buf); celestar@389: int k = length * number; celestar@389: celestar@389: if (!length && !number) break; celestar@389: while (k--) grf_load_byte(&buf); celestar@389: } celestar@389: } celestar@389: ret = 1; celestar@389: break; celestar@389: } celestar@389: case 0x0f: celestar@389: { /* Copy custom layout */ celestar@389: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@389: grf_load_byte(&buf); celestar@389: } celestar@389: ret = 1; celestar@389: break; celestar@389: } celestar@389: case 0x10: celestar@389: { /* Little/lots cargo threshold */ celestar@389: /* TODO */ miham@439: FOR_EACH_OBJECT { celestar@389: grf_load_word(&buf); celestar@389: } celestar@389: ret = 1; celestar@389: break; celestar@389: } miham@439: case 0x11: miham@439: { /* Pylon placement */ miham@439: /* TODO; makes sense only for electrified tracks */ miham@439: FOR_EACH_OBJECT { miham@439: grf_load_word(&buf); miham@439: } miham@439: ret = 1; miham@439: break; miham@439: } miham@439: case 0x12: miham@439: { /* Cargo types for random triggers */ miham@439: /* TODO */ miham@439: FOR_EACH_OBJECT { miham@439: grf_load_dword(&buf); miham@439: } miham@439: ret = 1; miham@439: break; miham@439: } celestar@389: default: celestar@389: ret = 1; celestar@389: break; celestar@389: } celestar@389: celestar@389: *bufp = buf; celestar@389: return ret; celestar@389: } celestar@389: truelight@0: #undef shift_buf truelight@0: celestar@389: celestar@356: /* Action 0x00 */ truelight@0: static void VehicleChangeInfo(byte *buf, int len) truelight@0: { truelight@0: byte *bufend = buf + len; truelight@0: int i; truelight@0: truelight@0: /* <00> ()... truelight@0: * truelight@0: * B feature 0, 1, 2 or 3 for trains, road vehicles, ships or planes truelight@0: * 4 for defining new train station sets truelight@0: * B num-props how many properties to change per vehicle/station truelight@0: * B num-info how many vehicles/stations to change truelight@0: * B id ID of first vehicle/station to change, if num-info is truelight@0: * greater than one, this one and the following truelight@0: * vehicles/stations will be changed truelight@0: * B property what property to change, depends on the feature truelight@0: * V new-info new bytes of info (variable size; depends on properties) */ darkvater@391: /* TODO: Bridges, town houses. */ truelight@0: darkvater@391: static const VCI_Handler handler[7] = { celestar@373: /* GSF_TRAIN */ RailVehicleChangeInfo, celestar@378: /* GSF_ROAD */ RoadVehicleChangeInfo, celestar@373: /* GSF_SHIP */ ShipVehicleChangeInfo, darkvater@381: /* GSF_AIRCRAFT */ AircraftVehicleChangeInfo, celestar@389: /* GSF_STATION */ StationChangeInfo, darkvater@391: /* GSF_BRIDGE */ NULL, darkvater@391: /* GSF_TOWNHOUSE */NULL, truelight@0: }; darkvater@360: celestar@357: uint8 feature; celestar@357: uint8 numprops; celestar@357: uint8 numinfo; celestar@357: byte engine; celestar@357: EngineInfo *ei; truelight@0: darkvater@396: if (len == 1) { darkvater@396: DEBUG(grf, 8) ("Silently ignoring one-byte special sprite 0x00."); darkvater@396: return; darkvater@396: } darkvater@396: celestar@357: check_length(len, 6, "VehicleChangeInfo"); celestar@357: feature = buf[1]; celestar@357: numprops = buf[2]; celestar@357: numinfo = buf[3]; celestar@357: engine = buf[4]; truelight@193: celestar@378: DEBUG(grf, 6) ("VehicleChangeInfo: Feature %d, %d properties, to apply to %d+%d", celestar@378: feature, numprops, engine, numinfo); celestar@378: darkvater@391: if (feature > GSF_STATION) { darkvater@391: grfmsg(GMS_WARN, "VehicleChangeInfo: Unsupported feature %d, skipping.", feature); darkvater@391: return; darkvater@391: } darkvater@391: celestar@389: if (feature != GSF_STATION) celestar@389: ei = &_engine_info[engine + _vehshifts[feature]]; celestar@357: celestar@357: buf += 5; celestar@357: celestar@357: while (numprops-- && buf < bufend) { celestar@357: uint8 prop = grf_load_byte(&buf); celestar@357: darkvater@403: if (feature == GSF_STATION) celestar@389: // stations don't share those common properties celestar@389: goto run_handler; celestar@389: celestar@357: switch (prop) { darkvater@360: case 0x00: { /* Introduction date */ miham@439: FOR_EACH_OBJECT { celestar@357: uint16 date = grf_load_word(&buf); celestar@357: celestar@357: ei[i].base_intro = date; truelight@0: } darkvater@360: } break; darkvater@360: case 0x02: { /* Decay speed */ miham@439: FOR_EACH_OBJECT { celestar@357: uint8 decay = grf_load_byte(&buf); truelight@0: celestar@357: ei[i].unk2 &= 0x80; celestar@357: ei[i].unk2 |= decay & 0x7f; truelight@0: } darkvater@360: } break; darkvater@360: case 0x03: { /* Vehicle life */ miham@439: FOR_EACH_OBJECT { celestar@357: uint8 life = grf_load_byte(&buf); celestar@357: celestar@357: ei[i].lifelength = life; truelight@0: } darkvater@360: } break; darkvater@360: case 0x04: { /* Model life */ miham@439: FOR_EACH_OBJECT { celestar@357: uint8 life = grf_load_byte(&buf); celestar@357: celestar@357: ei[i].base_life = life; celestar@357: } darkvater@360: } break; darkvater@360: case 0x06: { /* Climates available */ miham@439: FOR_EACH_OBJECT { celestar@357: uint8 climates = grf_load_byte(&buf); celestar@357: celestar@357: ei[i].railtype_climates &= 0xf0; celestar@357: ei[i].railtype_climates |= climates; celestar@357: } darkvater@360: } break; celestar@378: case 0x07: { /* Loading speed */ darkvater@360: /* TODO */ celestar@357: /* Hyronymus explained me what does celestar@357: * this mean and insists on having a celestar@357: * credit ;-). --pasky */ celestar@357: /* TODO: This needs to be supported by celestar@357: * LoadUnloadVehicle() first. */ miham@439: FOR_EACH_OBJECT { celestar@357: grf_load_byte(&buf); celestar@357: } celestar@357: goto ignoring; celestar@357: } darkvater@360: default: { celestar@389: run_handler: celestar@357: if (handler[feature](engine, numinfo, prop, &buf, bufend - buf)) { truelight@0: ignoring: celestar@357: grfmsg(GMS_NOTICE, "VehicleChangeInfo: Ignoring property %x (not implemented).", prop); truelight@0: } celestar@357: break; celestar@357: } truelight@0: } truelight@0: } truelight@0: #undef shift_buf truelight@0: } truelight@0: miham@439: #undef FOR_EACH_OBJECT miham@439: truelight@0: celestar@356: /* Action 0x01 */ darkvater@369: static void NewSpriteSet(byte *buf, int len) truelight@0: { truelight@0: /* <01> truelight@0: * truelight@0: * B feature feature to define sprites for truelight@0: * 0, 1, 2, 3: veh-type, 4: train stations truelight@0: * B num-sets number of sprite sets truelight@0: * B num-ent how many entries per sprite set truelight@0: * For vehicles, this is the number of different truelight@0: * vehicle directions in each sprite set truelight@0: * Set num-dirs=8, unless your sprites are symmetric. truelight@0: * In that case, use num-dirs=4. truelight@0: * For stations, must be 12 (hex) for the eighteen truelight@0: * different sprites that make up a station */ truelight@0: /* TODO: No stations support. */ celestar@357: uint8 feature; truelight@0: celestar@372: check_length(len, 4, "NewSpriteSet"); celestar@357: feature = buf[1]; truelight@0: celestar@389: _cur_grffile->spriteset_start = _cur_spriteid + 1; celestar@389: _cur_grffile->spriteset_feature = feature; celestar@389: _cur_grffile->spriteset_numsets = buf[2]; celestar@389: _cur_grffile->spriteset_numents = buf[3]; truelight@0: } truelight@0: celestar@356: /* Action 0x02 */ darkvater@369: static void NewSpriteGroup(byte *buf, int len) truelight@0: { truelight@0: byte *bufend = buf + len; truelight@0: truelight@0: /* <02> truelight@0: * truelight@0: * B feature see action 1 truelight@0: * B set-id ID of this particular definition truelight@0: * B type/num-entries truelight@0: * if 80 or greater, this is a randomized or variational truelight@0: * list definition, see below truelight@0: * otherwise it specifies a number of entries, the exact truelight@0: * meaning depends on the feature truelight@0: * V feature-specific-data (huge mess, don't even look it up --pasky) */ celestar@389: /* TODO: No 0x80-types (ugh). */ truelight@0: /* TODO: Also, empty sprites aren't handled for now. Need to investigate truelight@0: * the "opacity" rules for these, that is which sprite to fall back to truelight@0: * when. --pasky */ celestar@357: uint8 feature; celestar@357: uint8 setid; celestar@389: /* XXX: For stations, these two are "little cargo" and "lotsa cargo" sets. */ celestar@357: uint8 numloaded; celestar@357: uint8 numloading; darkvater@369: struct SpriteGroup *group; darkvater@408: struct RealSpriteGroup *rg; celestar@372: byte *loaded_ptr; celestar@372: byte *loading_ptr; celestar@357: int i; truelight@193: celestar@372: check_length(len, 5, "NewSpriteGroup"); celestar@357: feature = buf[1]; celestar@357: setid = buf[2]; celestar@357: numloaded = buf[3]; celestar@357: numloading = buf[4]; truelight@0: darkvater@408: if (numloaded == 0x81 || numloaded == 0x82) { darkvater@408: struct DeterministicSpriteGroup *dg; darkvater@419: uint16 groupid; darkvater@408: int i; truelight@0: darkvater@408: // Ok, this is gonna get a little wild, so hold your breath... truelight@0: darkvater@408: /* This stuff is getting actually evaluated in darkvater@408: * EvalDeterministicSpriteGroup(). */ darkvater@408: darkvater@408: buf += 4; len -= 4; darkvater@408: check_length(len, 6, "NewSpriteGroup 0x81/0x82"); celestar@357: darkvater@397: if (setid >= _cur_grffile->spritegroups_count) { darkvater@397: _cur_grffile->spritegroups_count = setid + 1; darkvater@397: _cur_grffile->spritegroups = realloc(_cur_grffile->spritegroups, _cur_grffile->spritegroups_count * sizeof(struct SpriteGroup)); truelight@0: } darkvater@408: darkvater@408: group = &_cur_grffile->spritegroups[setid]; darkvater@408: memset(group, 0, sizeof(struct SpriteGroup)); darkvater@408: group->type = SGT_DETERMINISTIC; darkvater@408: dg = &group->g.determ; darkvater@408: darkvater@408: /* XXX: We don't free() anything, assuming that if there was darkvater@408: * some action here before, it got associated by action 3. darkvater@408: * We should perhaps keep some refcount? --pasky */ darkvater@408: darkvater@408: dg->var_scope = numloaded == 0x82 ? VSG_SCOPE_PARENT : VSG_SCOPE_SELF; darkvater@408: dg->variable = grf_load_byte(&buf); darkvater@408: darkvater@408: dg->shift_num = grf_load_byte(&buf); darkvater@408: dg->and_mask = grf_load_byte(&buf); darkvater@408: dg->operation = dg->shift_num >> 6; /* w00t */ darkvater@408: dg->shift_num &= 0x3F; darkvater@408: if (dg->operation != DSG_OP_NONE) { darkvater@408: dg->add_val = grf_load_byte(&buf); darkvater@408: dg->divmod_val = grf_load_byte(&buf); darkvater@408: } darkvater@408: darkvater@419: /* (groupid & 0x8000) means this is callback result; we happily darkvater@419: * ignore that for now. */ darkvater@419: darkvater@408: dg->num_ranges = grf_load_byte(&buf); darkvater@408: dg->ranges = calloc(dg->num_ranges, sizeof(*dg->ranges)); darkvater@408: for (i = 0; i < dg->num_ranges; i++) { darkvater@419: groupid = grf_load_word(&buf); darkvater@419: if (groupid & 0x8000 || groupid >= _cur_grffile->spritegroups_count) { darkvater@419: /* This doesn't exist for us. */ miham@441: grf_load_word(&buf); // skip range darkvater@419: i--; dg->num_ranges--; darkvater@419: continue; darkvater@419: } darkvater@408: /* XXX: If multiple surreal sets attach a surreal darkvater@408: * set this way, we are in trouble. */ darkvater@419: dg->ranges[i].group = _cur_grffile->spritegroups[groupid]; darkvater@413: dg->ranges[i].low = grf_load_byte(&buf); darkvater@413: dg->ranges[i].high = grf_load_byte(&buf); darkvater@408: } darkvater@408: darkvater@419: groupid = grf_load_word(&buf); darkvater@419: if (groupid & 0x8000 || groupid >= _cur_grffile->spritegroups_count) { darkvater@419: /* This spritegroup stinks. */ miham@441: free(dg->ranges), dg->ranges = NULL; darkvater@419: grfmsg(GMS_WARN, "NewSpriteGroup(%02x:0x%x): Default groupid %04x is cargo callback or unknown, ignoring spritegroup.", setid, numloaded, groupid); darkvater@419: return; darkvater@419: } darkvater@419: darkvater@408: dg->default_group = malloc(sizeof(*dg->default_group)); darkvater@419: memcpy(dg->default_group, &_cur_grffile->spritegroups[groupid], sizeof(*dg->default_group)); darkvater@408: celestar@357: return; truelight@0: tron@445: } else if (numloaded == 0x80 || numloaded == 0x83) { tron@445: struct RandomizedSpriteGroup *rg; tron@445: int i; tron@445: tron@445: /* This stuff is getting actually evaluated in tron@445: * EvalRandomizedSpriteGroup(). */ tron@445: tron@445: buf += 4; tron@445: len -= 4; tron@445: check_length(len, 6, "NewSpriteGroup 0x80/0x83"); tron@445: tron@445: if (setid >= _cur_grffile->spritegroups_count) { tron@445: _cur_grffile->spritegroups_count = setid + 1; tron@445: _cur_grffile->spritegroups = realloc(_cur_grffile->spritegroups, _cur_grffile->spritegroups_count * sizeof(struct SpriteGroup)); tron@445: } tron@445: tron@445: group = &_cur_grffile->spritegroups[setid]; tron@445: memset(group, 0, sizeof(*group)); tron@445: group->type = SGT_RANDOMIZED; tron@445: rg = &group->g.random; tron@445: tron@445: /* XXX: We don't free() anything, assuming that if there was tron@445: * some action here before, it got associated by action 3. tron@445: * We should perhaps keep some refcount? --pasky */ tron@445: tron@445: rg->var_scope = numloaded == 0x83 ? VSG_SCOPE_PARENT : VSG_SCOPE_SELF; tron@445: tron@445: rg->triggers = grf_load_byte(&buf); tron@445: rg->cmp_mode = rg->triggers & 0x80; tron@445: rg->triggers &= 0x7F; tron@445: tron@445: rg->lowest_randbit = grf_load_byte(&buf); tron@445: rg->num_groups = grf_load_byte(&buf); tron@445: tron@445: rg->groups = calloc(rg->num_groups, sizeof(*rg->groups)); tron@445: for (i = 0; i < rg->num_groups; i++) { tron@445: uint16 groupid = grf_load_word(&buf); tron@448: tron@448: if (groupid & 0x8000 || groupid >= _cur_grffile->spritegroups_count) { tron@448: /* This doesn't exist for us. */ tron@448: i--; tron@448: rg->num_groups--; tron@448: continue; tron@448: } tron@445: /* XXX: If multiple surreal sets attach a surreal tron@445: * set this way, we are in trouble. */ tron@445: rg->groups[i] = _cur_grffile->spritegroups[groupid]; tron@445: } tron@445: celestar@357: return; celestar@357: } truelight@0: celestar@389: if (!_cur_grffile->spriteset_start) { celestar@372: grfmsg(GMS_ERROR, "NewSpriteGroup: No sprite set to work on! Skipping."); celestar@357: return; celestar@357: } truelight@0: celestar@389: if (_cur_grffile->spriteset_feature != feature) { celestar@389: grfmsg(GMS_ERROR, "NewSpriteGroup: Group feature %x doesn't match set feature %x! Playing it risky and trying to use it anyway.", feature, _cur_grffile->spriteset_feature); celestar@389: // return; // XXX: we can't because of MB's newstats.grf --pasky celestar@357: } celestar@357: celestar@372: check_length(bufend - buf, 5, "NewSpriteGroup"); celestar@372: buf += 5; celestar@372: check_length(bufend - buf, 2 * numloaded, "NewSpriteGroup"); celestar@372: loaded_ptr = buf; celestar@372: loading_ptr = buf + 2 * numloaded; celestar@372: celestar@372: if (numloaded > 16) { celestar@372: grfmsg(GMS_WARN, "NewSpriteGroup: More than 16 sprites in group %x, skipping the rest.", setid); celestar@372: numloaded = 16; celestar@372: } celestar@372: if (numloading > 16) { celestar@372: grfmsg(GMS_WARN, "NewSpriteGroup: More than 16 sprites in group %x, skipping the rest.", setid); celestar@372: numloading = 16; celestar@372: } celestar@372: darkvater@397: if (setid >= _cur_grffile->spritegroups_count) { darkvater@397: _cur_grffile->spritegroups_count = setid + 1; darkvater@397: _cur_grffile->spritegroups = realloc(_cur_grffile->spritegroups, _cur_grffile->spritegroups_count * sizeof(struct SpriteGroup)); celestar@357: } darkvater@397: group = &_cur_grffile->spritegroups[setid]; darkvater@369: memset(group, 0, sizeof(struct SpriteGroup)); darkvater@408: group->type = SGT_REAL; darkvater@408: rg = &group->g.real; darkvater@408: darkvater@408: rg->sprites_per_set = _cur_grffile->spriteset_numents; darkvater@408: rg->loaded_count = numloaded; darkvater@408: rg->loading_count = numloading; celestar@357: celestar@379: DEBUG(grf, 6) ("NewSpriteGroup: New SpriteGroup 0x%02hhx, %u views, %u loaded, %u loading, sprites %u - %u", darkvater@408: setid, rg->sprites_per_set, rg->loaded_count, rg->loading_count, celestar@389: _cur_grffile->spriteset_start - _cur_grffile->sprite_offset, celestar@389: _cur_grffile->spriteset_start + (_cur_grffile->spriteset_numents * (numloaded + numloading)) - _cur_grffile->sprite_offset); celestar@372: celestar@372: for (i = 0; i < numloaded; i++) { celestar@372: uint16 spriteset_id = grf_load_word(&loaded_ptr); darkvater@408: rg->loaded[i] = _cur_grffile->spriteset_start + spriteset_id * _cur_grffile->spriteset_numents; darkvater@408: DEBUG(grf, 8) ("NewSpriteGroup: + rg->loaded[%i] = %u (subset %u)", i, rg->loaded[i], spriteset_id); celestar@357: } celestar@357: celestar@372: for (i = 0; i < numloading; i++) { celestar@372: uint16 spriteset_id = grf_load_word(&loading_ptr); darkvater@408: rg->loading[i] = _cur_grffile->spriteset_start + spriteset_id * _cur_grffile->spriteset_numents; darkvater@408: DEBUG(grf, 8) ("NewSpriteGroup: + rg->loading[%i] = %u (subset %u)", i, rg->loading[i], spriteset_id); truelight@0: } truelight@0: } truelight@0: celestar@356: /* Action 0x03 */ darkvater@369: static void NewVehicle_SpriteGroupMapping(byte *buf, int len) truelight@0: { truelight@0: /* <03> ... [ ]... celestar@356: * id-list := [] [id-list] celestar@356: * cargo-list := [cargo-list] truelight@0: * truelight@0: * B feature see action 0 truelight@0: * B n-id bits 0-6: how many IDs this definition applies to truelight@0: * bit 7: if set, this is a wagon override definition (see below) truelight@0: * B ids the IDs for which this definition applies darkvater@369: * B num-cid number of cargo IDs (sprite group IDs) in this definition truelight@0: * can be zero, in that case the def-cid is used always truelight@0: * B cargo-type type of this cargo type (e.g. mail=2, wood=7, see below) darkvater@369: * W cid cargo ID (sprite group ID) for this type of cargo darkvater@369: * W def-cid default cargo ID (sprite group ID) */ darkvater@391: /* TODO: Bridges, town houses. */ truelight@0: /* TODO: Multiple cargo support could be useful even for trains/cars - truelight@0: * cargo id 0xff is used for showing images in the build train list. */ truelight@0: truelight@0: static byte *last_engines; truelight@0: static int last_engines_count; celestar@357: uint8 feature; celestar@357: uint8 idcount; celestar@379: bool wagover; celestar@357: uint8 cidcount; celestar@357: int c, i; truelight@0: darkvater@369: check_length(len, 7, "VehicleMapSpriteGroup"); celestar@357: feature = buf[1]; darkvater@360: idcount = buf[2] & 0x7F; celestar@379: wagover = (buf[2] & 0x80) == 0x80; celestar@372: check_length(len, 3 + idcount, "VehicleMapSpriteGroup"); celestar@357: cidcount = buf[3 + idcount]; celestar@372: check_length(len, 4 + idcount + cidcount * 3, "VehicleMapSpriteGroup"); truelight@0: celestar@379: DEBUG(grf, 6) ("VehicleMapSpriteGroup: Feature %d, %d ids, %d cids, wagon override %d.", celestar@379: feature, idcount, cidcount, wagover); celestar@379: darkvater@391: if (feature > GSF_STATION) { darkvater@391: grfmsg(GMS_WARN, "VehicleMapSpriteGroup: Unsupported feature %d, skipping.", feature); darkvater@391: return; darkvater@391: } darkvater@391: celestar@389: celestar@373: if (feature == GSF_STATION) { celestar@389: // We do things differently for stations. celestar@389: darkvater@403: for (i = 0; i < idcount; i++) { darkvater@403: uint8 stid = buf[3 + i]; darkvater@404: struct StationSpec *stat = &_cur_grffile->stations[stid]; darkvater@403: byte *bp = &buf[4 + idcount]; celestar@389: darkvater@403: for (c = 0; c < cidcount; c++) { darkvater@403: uint8 ctype = grf_load_byte(&bp); darkvater@403: uint16 groupid = grf_load_word(&bp); darkvater@403: darkvater@403: if (groupid >= _cur_grffile->spritegroups_count) { darkvater@403: grfmsg(GMS_WARN, "VehicleMapSpriteGroup: Spriteset %x out of range %x, skipping.", darkvater@403: groupid, _cur_grffile->spritegroups_count); darkvater@403: return; darkvater@403: } darkvater@403: darkvater@403: if (ctype != 0xFF) { darkvater@403: /* TODO: No support for any other cargo. */ darkvater@403: continue; darkvater@403: } darkvater@403: darkvater@408: stat->spritegroup[1] = _cur_grffile->spritegroups[groupid]; darkvater@403: } darkvater@403: } darkvater@403: darkvater@403: { darkvater@403: byte *bp = buf + 4 + idcount + cidcount * 3; darkvater@403: uint16 groupid = grf_load_word(&bp); celestar@389: darkvater@397: if (groupid >= _cur_grffile->spritegroups_count) { celestar@389: grfmsg(GMS_WARN, "VehicleMapSpriteGroup: Spriteset %x out of range %x, skipping.", darkvater@397: groupid, _cur_grffile->spritegroups_count); celestar@389: return; celestar@389: } celestar@389: darkvater@403: for (i = 0; i < idcount; i++) { darkvater@403: uint8 stid = buf[3 + i]; darkvater@403: struct StationSpec *stat = &_cur_grffile->stations[stid]; celestar@389: darkvater@408: stat->spritegroup[0] = _cur_grffile->spritegroups[groupid]; darkvater@403: stat->grfid = _cur_grffile->grfid; darkvater@403: SetCustomStation(stid, stat); miham@438: stat->sclass = STAT_CLASS_NONE; celestar@389: } celestar@389: } celestar@357: return; celestar@357: } celestar@357: celestar@389: celestar@372: /* If ``n-id'' (or ``idcount'') is zero, this is a ``feature celestar@372: * callback''. I have no idea how this works, so we will ignore it for celestar@372: * now. --octo */ celestar@372: if (idcount == 0) { celestar@372: grfmsg(GMS_NOTICE, "NewMapping: Feature callbacks not implemented yet."); celestar@372: return; celestar@372: } celestar@372: celestar@357: // FIXME: Tropicset contains things like: celestar@357: // 03 00 01 19 01 00 00 00 00 - this is missing one 00 at the end, celestar@357: // what should we exactly do with that? --pasky celestar@357: darkvater@397: if (!_cur_grffile->spriteset_start || !_cur_grffile->spritegroups) { darkvater@369: grfmsg(GMS_WARN, "VehicleMapSpriteGroup: No sprite set to work on! Skipping."); celestar@357: return; celestar@357: } celestar@357: celestar@357: if (!wagover && last_engines_count != idcount) { celestar@357: last_engines = realloc(last_engines, idcount); celestar@357: last_engines_count = idcount; celestar@357: } celestar@357: celestar@379: if (wagover) { celestar@372: if (last_engines_count == 0) { celestar@372: grfmsg(GMS_ERROR, "VehicleMapSpriteGroup: WagonOverride: No engine to do override with."); celestar@372: return; celestar@372: } celestar@379: DEBUG(grf, 6) ("VehicleMapSpriteGroup: WagonOverride: %u engines, %u wagons.", celestar@379: last_engines_count, idcount); celestar@372: } darkvater@398: celestar@372: celestar@357: for (i = 0; i < idcount; i++) { celestar@372: uint8 engine_id = buf[3 + i]; celestar@372: uint8 engine = engine_id + _vehshifts[feature]; celestar@357: byte *bp = &buf[4 + idcount]; celestar@357: celestar@372: if (engine_id > _vehcounts[feature]) { celestar@372: grfmsg(GMS_ERROR, "Id %u for feature %x is out of bounds.", celestar@372: engine_id, feature); celestar@372: return; celestar@372: } celestar@372: celestar@379: DEBUG(grf, 7) ("VehicleMapSpriteGroup: [%d] Engine %d...", i, engine); celestar@379: celestar@357: for (c = 0; c < cidcount; c++) { celestar@357: uint8 ctype = grf_load_byte(&bp); darkvater@369: uint16 groupid = grf_load_word(&bp); celestar@357: celestar@379: DEBUG(grf, 8) ("VehicleMapSpriteGroup: * [%d] Cargo type %x, group id %x", c, ctype, groupid); celestar@379: darkvater@397: if (groupid >= _cur_grffile->spritegroups_count) { darkvater@397: grfmsg(GMS_WARN, "VehicleMapSpriteGroup: Spriteset %x out of range %x, skipping.", groupid, _cur_grffile->spritegroups_count); celestar@357: return; celestar@357: } celestar@357: darkvater@360: if (ctype == 0xFF) celestar@357: ctype = CID_PURCHASE; celestar@357: celestar@379: if (wagover) { celestar@357: // TODO: No multiple cargo types per vehicle yet. --pasky darkvater@397: SetWagonOverrideSprites(engine, &_cur_grffile->spritegroups[groupid], last_engines, last_engines_count); celestar@357: } else { darkvater@397: SetCustomEngineSprites(engine, ctype, &_cur_grffile->spritegroups[groupid]); celestar@357: last_engines[i] = engine; celestar@357: } truelight@0: } celestar@357: } truelight@0: celestar@357: { celestar@357: byte *bp = buf + 4 + idcount + cidcount * 3; darkvater@369: uint16 groupid = grf_load_word(&bp); truelight@0: celestar@379: DEBUG(grf, 8) ("-- Default group id %x", groupid); celestar@379: truelight@0: for (i = 0; i < idcount; i++) { truelight@0: uint8 engine = buf[3 + i] + _vehshifts[feature]; truelight@0: celestar@357: // Don't tell me you don't love duplicated code! darkvater@397: if (groupid >= _cur_grffile->spritegroups_count) { darkvater@397: grfmsg(GMS_WARN, "VehicleMapSpriteGroup: Spriteset %x out of range %x, skipping.", groupid, _cur_grffile->spritegroups_count); celestar@357: return; truelight@0: } truelight@0: celestar@379: if (wagover) { celestar@357: // TODO: No multiple cargo types per vehicle yet. --pasky darkvater@397: SetWagonOverrideSprites(engine, &_cur_grffile->spritegroups[groupid], last_engines, last_engines_count); celestar@357: } else { darkvater@397: SetCustomEngineSprites(engine, CID_DEFAULT, &_cur_grffile->spritegroups[groupid]); celestar@357: last_engines[i] = engine; truelight@0: } truelight@0: } truelight@0: } truelight@0: } truelight@0: celestar@356: /* Action 0x04 */ truelight@0: static void VehicleNewName(byte *buf, int len) truelight@0: { truelight@0: /* <04> truelight@0: * truelight@0: * B veh-type see action 0 truelight@0: * B language-id language ID with bit 7 cleared (see below) truelight@0: * B num-veh number of vehicles which are getting a new name truelight@0: * B offset number of the first vehicle that gets a new name truelight@0: * S data new texts, each of them zero-terminated, after truelight@0: * which the next name begins. */ truelight@0: /* TODO: No support for changing non-vehicle text. Perhaps we shouldn't truelight@0: * implement it at all, but it could be useful for some "modpacks" truelight@0: * (completely new scenarios changing all graphics and logically also truelight@0: * factory names etc). We should then also support all languages (by truelight@0: * name), not only the original four ones. --pasky */ celestar@389: /* TODO: Support for custom station class/type names. */ truelight@0: celestar@357: uint8 feature; celestar@357: uint8 lang; celestar@357: uint8 id; celestar@357: uint8 endid; truelight@0: celestar@357: check_length(len, 6, "VehicleNewName"); celestar@357: feature = buf[1]; celestar@357: lang = buf[2]; celestar@357: id = buf[4] + _vehshifts[feature]; celestar@357: endid = id + buf[3]; truelight@0: celestar@379: DEBUG(grf, 6) ("VehicleNewName: About to rename engines %d..%d (feature %d) in language 0x%x.", celestar@379: id, endid, feature, lang); celestar@379: celestar@357: if (lang & 0x80) { celestar@357: grfmsg(GMS_WARN, "VehicleNewName: No support for changing in-game texts. Skipping."); celestar@357: return; celestar@357: } truelight@0: celestar@357: if (!(lang & 3)) { celestar@357: /* XXX: If non-English name, silently skip it. */ celestar@379: DEBUG(grf, 7) ("VehicleNewName: Skipping non-English name."); celestar@357: return; celestar@357: } celestar@357: celestar@357: buf += 5, len -= 5; celestar@357: for (; id < endid && len > 0; id++) { celestar@357: int ofs = strlen(buf) + 1; celestar@357: celestar@379: if (ofs < 128) { celestar@379: DEBUG(grf, 8) ("VehicleNewName: %d <- %s", id, buf); celestar@357: SetCustomEngineName(id, buf); celestar@379: } else { celestar@379: DEBUG(grf, 7) ("VehicleNewName: Too long a name (%d)", ofs); celestar@379: } celestar@357: buf += ofs, len -= ofs; truelight@0: } truelight@0: } truelight@0: celestar@356: /* Action 0x05 */ truelight@0: static void GraphicsNew(byte *buf, int len) truelight@0: { truelight@0: /* <05> truelight@0: * truelight@0: * B graphics-type What set of graphics the sprites define. truelight@0: * B num-sprites How many sprites are in this set? truelight@0: * V other data Graphics type specific data. Currently unused. */ truelight@0: /* TODO */ celestar@356: celestar@356: uint8 type; celestar@356: uint8 num; celestar@356: celestar@357: check_length(len, 2, "GraphicsNew"); celestar@356: type = buf[0]; celestar@356: num = buf[1]; celestar@356: celestar@356: grfmsg(GMS_NOTICE, "GraphicsNew: Custom graphics (type %x) sprite block of length %d (unimplemented, ignoring).\n", celestar@356: type, num); truelight@0: } truelight@0: celestar@356: /* Action 0x06 */ truelight@0: static void CfgApply(byte *buf, int len) truelight@0: { truelight@0: /* <06> ... truelight@0: * truelight@0: * B param-num Number of parameter to substitute (First = "zero") truelight@0: * Ignored if that parameter was not specified in newgrf.cfg truelight@0: * B param-size How many bytes to replace. If larger than 4, the truelight@0: * bytes of the following parameter are used. In that truelight@0: * case, nothing is applied unless *all* parameters truelight@0: * were specified. truelight@0: * B offset Offset into data from beginning of next sprite truelight@0: * to place where parameter is to be stored. */ truelight@0: /* TODO */ celestar@356: grfmsg(GMS_NOTICE, "CfgApply: Ignoring (not implemented).\n"); truelight@0: } truelight@0: celestar@356: /* Action 0x07 */ celestar@356: /* Action 0x09 */ truelight@0: static void SkipIf(byte *buf, int len) truelight@0: { truelight@0: /* <07/09> truelight@0: * truelight@0: * B param-num truelight@0: * B param-size truelight@0: * B condition-type truelight@0: * V value truelight@0: * B num-sprites */ truelight@0: /* TODO: More params. More condition types. */ celestar@357: uint8 param; celestar@357: uint8 paramsize; celestar@357: uint8 condtype; celestar@357: uint8 numsprites; darkvater@360: int param_val = 0, cond_val = 0; darkvater@360: bool result; truelight@0: celestar@357: check_length(len, 6, "SkipIf"); celestar@357: param = buf[1]; celestar@357: paramsize = buf[2]; celestar@357: condtype = buf[3]; truelight@0: darkvater@359: if (condtype < 2) { darkvater@359: /* Always 1 for bit tests, the given value should darkvater@359: * be ignored. */ darkvater@359: paramsize = 1; darkvater@359: } darkvater@359: darkvater@359: buf += 4; darkvater@359: if (paramsize == 4) darkvater@359: cond_val = grf_load_dword(&buf); darkvater@359: else if (paramsize == 2) darkvater@359: cond_val = grf_load_word(&buf); darkvater@359: else if (paramsize == 1) darkvater@359: cond_val = grf_load_byte(&buf); darkvater@359: darkvater@359: switch (param) { darkvater@401: case 0x83: /* current climate, 0=temp, 1=arctic, 2=trop, 3=toyland */ darkvater@359: param_val = _opt.landscape; darkvater@359: break; darkvater@401: case 0x84: /* .grf loading stage, 0=initialization, 1=activation */ darkvater@368: param_val = _cur_stage; darkvater@359: break; darkvater@401: case 0x85: /* TTDPatch flags, only for bit tests */ darkvater@363: param_val = _ttdpatch_flags[cond_val / 0x20]; darkvater@363: cond_val %= 0x20; darkvater@363: break; darkvater@401: case 0x86: /* road traffic side, bit 4 clear=left, set=right */ darkvater@359: param_val = _opt.road_side << 4; darkvater@359: break; darkvater@401: case 0x88: { /* see if specified GRFID is active */ darkvater@366: struct GRFFile *file; darkvater@366: darkvater@366: file = GetFileByGRFID(cond_val); darkvater@366: param_val = (file != NULL); darkvater@366: } break; darkvater@401: case 0x8B: /* TTDPatch version */ darkvater@401: param_val = 0xFFFF; darkvater@401: break; darkvater@401: case 0x8D: /* TTD Version, 00=DOS, 01=Windows */ darkvater@401: param_val = 1; darkvater@401: break; darkvater@420: case 0x8E: darkvater@420: param_val = _traininfo_vehicle_pitch; darkvater@420: break; darkvater@401: /* TODO */ darkvater@401: case 0x8F: /* Track type cost multipliers */ darkvater@359: default: darkvater@362: if (param >= 0x80) { darkvater@362: /* In-game variable. */ darkvater@362: grfmsg(GMS_WARN, "Unsupported in-game variable %x. Ignoring test.", param); darkvater@362: } else { darkvater@362: /* Parameter. */ darkvater@362: param_val = _paramlist[param]; darkvater@362: } darkvater@359: return; celestar@357: } truelight@0: celestar@357: switch (condtype) { darkvater@359: case 0: result = (param_val & (1 << cond_val)); celestar@357: break; darkvater@359: case 1: result = !(param_val & (1 << cond_val)); darkvater@359: break; darkvater@359: /* TODO: For the following, make it to work with paramsize>1. */ darkvater@359: case 2: result = (param_val == cond_val); darkvater@359: break; darkvater@359: case 3: result = (param_val != cond_val); darkvater@359: break; darkvater@359: case 4: result = (param_val < cond_val); darkvater@359: break; darkvater@359: case 5: result = (param_val > cond_val); celestar@357: break; darkvater@366: case 6: result = param_val; /* GRFID is active (only for param-num=88) */ darkvater@366: break; darkvater@366: case 7: result = !param_val; /* GRFID is not active (only for param-num=88) */ darkvater@366: break; celestar@357: default: celestar@357: grfmsg(GMS_WARN, "Unsupported test %d. Ignoring.", condtype); celestar@357: return; celestar@357: } celestar@357: celestar@372: if (result == 0) { darkvater@359: grfmsg(GMS_NOTICE, "Not skipping sprites, test was false."); celestar@357: return; darkvater@359: } darkvater@359: darkvater@359: numsprites = grf_load_byte(&buf); miham@441: grfmsg(GMS_NOTICE, "Skipping %d->+%d sprites, test was true.", _cur_spriteid - _custom_sprites_base, numsprites); celestar@357: _skip_sprites = numsprites; celestar@357: if (_skip_sprites == 0) { celestar@357: /* Zero means there are no sprites to skip, so celestar@357: * we use -1 to indicate that all further celestar@357: * sprites should be skipped. */ celestar@357: _skip_sprites = -1; truelight@0: } truelight@0: } truelight@0: truelight@0: static void GRFInfo(byte *buf, int len) truelight@0: { truelight@0: /* <08> truelight@0: * truelight@0: * B version newgrf version, currently 06 truelight@0: * 4*B grf-id globally unique ID of this .grf file truelight@0: * S name name of this .grf set truelight@0: * S info string describing the set, and e.g. author and copyright */ truelight@0: /* TODO: Check version. (We should have own versioning done somehow.) */ celestar@357: uint8 version; darkvater@366: uint32 grfid; celestar@357: char *name; celestar@357: char *info; truelight@0: celestar@357: check_length(len, 9, "GRFInfo"); celestar@357: version = buf[1]; darkvater@366: /* this is de facto big endian - grf_load_dword() unsuitable */ celestar@357: grfid = buf[2] << 24 | buf[3] << 16 | buf[4] << 8 | buf[5]; celestar@357: name = buf + 6; celestar@357: info = name + strlen(name) + 1; darkvater@366: darkvater@366: _cur_grffile->grfid = grfid; darkvater@366: _cur_grffile->flags |= 0x0001; /* set active flag */ darkvater@366: celestar@357: DEBUG(grf, 1) ("[%s] Loaded GRFv%d set %08lx - %s:\n%s\n", darkvater@366: _cur_grffile->filename, version, grfid, name, info); truelight@0: } truelight@0: truelight@0: static void SpriteReplace(byte *buf, int len) truelight@0: { truelight@0: /* <0A> [ ...] truelight@0: * : truelight@0: * truelight@0: * B num-sets How many sets of sprites to replace. truelight@0: * Each set: truelight@0: * B num-sprites How many sprites are in this set truelight@0: * W first-sprite First sprite number to replace */ darkvater@361: uint8 num_sets; darkvater@361: int i; darkvater@361: darkvater@361: buf++; /* skip action byte */ darkvater@361: num_sets = grf_load_byte(&buf); darkvater@361: darkvater@361: if (num_sets > 16) { darkvater@361: grfmsg(GMS_ERROR, "SpriteReplace: Too many sets (%d), taking only the first 16!", num_sets); darkvater@361: } darkvater@398: darkvater@361: for (i = 0; i < 16; i++) { darkvater@361: if (i < num_sets) { darkvater@361: uint8 num_sprites = grf_load_byte(&buf); darkvater@361: uint16 first_sprite = grf_load_word(&buf); darkvater@361: darkvater@361: _replace_sprites_count[i] = num_sprites; darkvater@361: _replace_sprites_offset[i] = first_sprite; darkvater@361: grfmsg(GMS_NOTICE, "SpriteReplace: [Set %d] Changing %d sprites, beginning with %d", darkvater@361: i, num_sprites, first_sprite); darkvater@361: } else { darkvater@361: _replace_sprites_count[i] = 0; darkvater@361: _replace_sprites_offset[i] = 0; darkvater@361: } darkvater@361: } truelight@0: } truelight@0: truelight@0: static void GRFError(byte *buf, int len) truelight@0: { truelight@0: /* <0B> [ 00] [] 00 [] truelight@0: * truelight@0: * B severity 00: notice, contine loading grf file truelight@0: * 01: warning, continue loading grf file truelight@0: * 02: error, but continue loading grf file, and attempt truelight@0: * loading grf again when loading or starting next game truelight@0: * 03: error, abort loading and prevent loading again in truelight@0: * the future (only when restarting the patch) truelight@0: * B language-id see action 4, use 1F for built-in error messages truelight@0: * B message-id message to show, see below truelight@0: * S message for custom messages (message-id FF), text of the message truelight@0: * not present for built-in messages. truelight@0: * V data additional data for built-in (or custom) messages truelight@0: * B parnum see action 6, only used with built-in message 03 */ truelight@0: /* TODO: For now we just show the message, sometimes incomplete and never translated. */ truelight@0: truelight@0: static const char * const msgstr[4] = { truelight@0: "Requires at least pseudo-TTDPatch version %s.", truelight@0: "This file is for %s version of TTD.", truelight@0: "Designed to be used with %s.", truelight@0: "Invalid parameter %s.", truelight@0: }; celestar@357: uint8 severity; celestar@357: uint8 msgid; truelight@0: celestar@357: check_length(len, 6, "GRFError"); celestar@357: severity = buf[1]; celestar@357: msgid = buf[3]; celestar@357: miham@441: // Undocumented TTDPatch feature. miham@441: if ((severity & 0x80) == 0 && _cur_stage == 0) miham@441: return; miham@441: severity &= 0x7F; miham@441: darkvater@360: if (msgid == 0xFF) { celestar@357: grfmsg(severity, "%s", buf+4); celestar@357: } else { celestar@357: grfmsg(severity, msgstr[msgid], buf+4); truelight@0: } truelight@0: } truelight@0: truelight@0: static void GRFComment(byte *buf, int len) truelight@0: { truelight@0: /* <0C> [] truelight@0: * truelight@0: * V ignored Anything following the 0C is ignored */ truelight@0: } truelight@0: celestar@356: /* Action 0x0D */ truelight@0: static void ParamSet(byte *buf, int len) truelight@0: { truelight@0: /* <0D> [] truelight@0: * truelight@0: * B target parameter number where result is stored truelight@0: * B operation operation to perform, see below truelight@0: * B source1 first source operand truelight@0: * B source2 second source operand truelight@0: * D data data to use in the calculation, not necessary truelight@0: * if both source1 and source2 refer to actual parameters truelight@0: * truelight@0: * Operations truelight@0: * 00 Set parameter equal to source1 truelight@0: * 01 Addition, source1 + source2 truelight@0: * 02 Subtraction, source1 - source2 truelight@0: * 03 Unsigned multiplication, source1 * source2 (both unsigned) truelight@0: * 04 Signed multiplication, source1 * source2 (both signed) truelight@0: * 05 Unsigned bit shift, source1 by source2 (source2 taken to be a truelight@0: * signed quantity; left shift if positive and right shift if truelight@0: * negative, source1 is unsigned) truelight@0: * 06 Signed bit shift, source1 by source2 truelight@0: * (source2 like in 05, and source1 as well) truelight@0: */ darkvater@362: darkvater@362: byte target; darkvater@362: byte oper; darkvater@362: uint16 src1; darkvater@362: uint16 src2; darkvater@362: uint16 data = 0; darkvater@420: int32 *dest; darkvater@362: darkvater@362: check_length(len, 5, "ParamSet"); bjarni@418: buf++; darkvater@362: target = grf_load_byte(&buf); darkvater@362: oper = grf_load_byte(&buf); darkvater@362: src1 = grf_load_byte(&buf); darkvater@362: src2 = grf_load_byte(&buf); darkvater@362: darkvater@362: if (len >= 8) darkvater@362: data = grf_load_dword(&buf); darkvater@398: darkvater@362: /* You can add 80 to the operation to make it apply only if the target darkvater@362: * is not defined yet. In this respect, a parameter is taken to be darkvater@362: * defined if any of the following applies: darkvater@362: * - it has been set to any value in the newgrf(w).cfg parameter list darkvater@362: * - it OR A PARAMETER WITH HIGHER NUMBER has been set to any value by darkvater@362: * an earlier action D */ darkvater@362: if (oper & 0x80) { darkvater@362: if (_param_max < target) darkvater@362: oper &= 0x7F; darkvater@362: else darkvater@362: return; darkvater@362: } darkvater@362: darkvater@362: /* The source1 and source2 operands refer to the grf parameter number darkvater@362: * like in action 6 and 7. In addition, they can refer to the special darkvater@362: * variables available in action 7, or they can be FF to use the value darkvater@362: * of . If referring to parameters that are undefined, a value darkvater@362: * of 0 is used instead. */ darkvater@362: if (src1 == 0xFF) { darkvater@362: src1 = data; darkvater@362: } else { darkvater@362: src1 = _param_max >= src1 ? _paramlist[src1] : 0; darkvater@362: } darkvater@362: darkvater@362: if (src2 == 0xFF) { darkvater@362: src2 = data; darkvater@362: } else { darkvater@362: src2 = _param_max >= src2 ? _paramlist[src2] : 0; darkvater@362: } darkvater@362: darkvater@362: /* TODO: You can access the parameters of another GRF file by using darkvater@362: * source2=FE, source1=the other GRF's parameter number and data=GRF darkvater@362: * ID. This is only valid with operation 00 (set). If the GRF ID darkvater@362: * cannot be found, a value of 0 is used for the parameter value darkvater@362: * instead. */ darkvater@362: darkvater@362: /* TODO: The target operand can also refer to the special variables darkvater@362: * from action 7, but at the moment the only variable that is valid to darkvater@362: * write is 8E. */ darkvater@362: darkvater@420: if (target == 0x8E) { darkvater@420: dest = &_traininfo_vehicle_pitch; darkvater@420: } else { darkvater@420: if (_param_max < target) darkvater@420: _param_max = target; darkvater@420: dest = &_paramlist[target]; darkvater@420: } darkvater@362: darkvater@362: /* FIXME: No checking for overflows. */ darkvater@362: switch (oper) { darkvater@362: case 0x00: darkvater@420: *dest = src1; darkvater@362: break; darkvater@362: case 0x01: darkvater@420: *dest = src1 + src2; darkvater@362: break; darkvater@362: case 0x02: darkvater@420: *dest = src1 - src2; darkvater@362: break; darkvater@362: case 0x03: darkvater@420: *dest = ((uint32) src1) * ((uint32) src2); darkvater@362: break; darkvater@362: case 0x04: darkvater@420: *dest = ((int32) src1) * ((int32) src2); darkvater@362: break; darkvater@362: case 0x05: darkvater@362: if (src2 & 0x8000) /* src2 is "negative" */ darkvater@420: *dest = src1 >> -((int16) src2); darkvater@362: else darkvater@420: *dest = src1 << src2; darkvater@362: break; darkvater@362: case 0x06: darkvater@362: if (src2 & 0x8000) /* src2 is "negative" */ darkvater@420: *dest = ((int16) src1) >> -((int16) src2); darkvater@362: else darkvater@420: *dest = ((int16) src1) << src2; darkvater@362: break; darkvater@362: default: darkvater@362: grfmsg(GMS_ERROR, "ParamSet: Unknown operation %d, skipping.", oper); darkvater@362: } truelight@0: } truelight@0: truelight@0: static void GRFInhibit(byte *buf, int len) truelight@0: { truelight@0: /* <0E> truelight@0: * truelight@0: * B num Number of GRFIDs that follow truelight@0: * D grfids GRFIDs of the files to deactivate */ darkvater@367: darkvater@367: byte num; darkvater@367: int i; darkvater@398: darkvater@367: check_length(len, 1, "GRFInhibit"); bjarni@416: buf++, len--; darkvater@367: num = grf_load_byte(&buf); len--; darkvater@367: check_length(len, 4 * num, "GRFInhibit"); darkvater@367: darkvater@367: for (i = 0; i < num; i++) { darkvater@367: uint32 grfid = grf_load_dword(&buf); darkvater@367: struct GRFFile *file = GetFileByGRFID(grfid); darkvater@367: darkvater@367: /* Unset activation flag */ darkvater@367: if (file != NULL) { darkvater@367: grfmsg(GMS_NOTICE, "GRFInhibit: Deactivating file ``%s''", file->filename); darkvater@367: file->flags &= 0xFFFE; darkvater@367: } darkvater@367: } truelight@0: } truelight@0: darkvater@363: darkvater@363: static void InitializeGRFSpecial(void) darkvater@363: { darkvater@363: /* FIXME: We should rather reflect reality in _ttdpatch_flags[]. */ darkvater@363: miham@441: _ttdpatch_flags[1] = (1 << 0x08) /* mammothtrains */ miham@441: | (1 << 0x0B) /* subsidiaries */ miham@441: | (1 << 0x14) /* bridgespeedlimits */ miham@441: | (1 << 0x16) /* eternalgame */ miham@441: | (1 << 0x17) /* newtrains */ miham@441: | (1 << 0x18) /* newrvs */ miham@441: | (1 << 0x19) /* newships */ miham@441: | (1 << 0x1A) /* newplanes */ miham@441: | (1 << 0x1B); /* signalsontrafficside */ miham@441: /* Uncomment following if you want to fool the GRF file. miham@441: * Some GRF files will refuse to load without this miham@441: * but you can still squeeze something from them even miham@441: * without the support - i.e. USSet. --pasky */ miham@441: //| (1 << 0x1C); /* electrifiedrailway */ darkvater@363: miham@441: _ttdpatch_flags[2] = (1 << 0x0D) /* buildonslopes */ miham@441: | (1 << 0x16) /* canals */ miham@441: | (1 << 0x17); /* newstartyear */ darkvater@363: } darkvater@363: darkvater@368: void InitNewGRFFile(const char *filename, int sprite_offset) darkvater@368: { darkvater@366: struct GRFFile *newfile; darkvater@366: celestar@389: newfile = calloc(1, sizeof(struct GRFFile)); darkvater@366: darkvater@366: if (newfile == NULL) darkvater@366: error ("Out of memory"); darkvater@366: darkvater@366: newfile->filename = strdup(filename); darkvater@366: newfile->sprite_offset = sprite_offset; darkvater@366: darkvater@366: if (_first_grffile == NULL) { darkvater@366: _cur_grffile = newfile; darkvater@366: _first_grffile = newfile; darkvater@366: } else { darkvater@366: _cur_grffile->next = newfile; darkvater@366: _cur_grffile = newfile; darkvater@366: } darkvater@366: } darkvater@366: darkvater@363: truelight@0: /* Here we perform initial decoding of some special sprites (as are they truelight@0: * described at http://www.ttdpatch.net/src/newgrf.txt, but this is only a very darkvater@368: * partial implementation yet). */ truelight@0: /* XXX: We consider GRF files trusted. It would be trivial to exploit OTTD by truelight@0: * a crafted invalid GRF file. We should tell that to the user somehow, or truelight@0: * better make this more robust in the future. */ truelight@0: darkvater@368: void DecodeSpecialSprite(const char *filename, int num, int spriteid, int stage) truelight@0: { darkvater@360: #define NUM_ACTIONS 0xF truelight@0: static const SpecialSpriteHandler handlers[NUM_ACTIONS] = { truelight@0: /* 0x0 */ VehicleChangeInfo, darkvater@369: /* 0x1 */ NewSpriteSet, darkvater@369: /* 0x2 */ NewSpriteGroup, darkvater@369: /* 0x3 */ NewVehicle_SpriteGroupMapping, truelight@0: /* 0x4 */ VehicleNewName, truelight@0: /* 0x5 */ GraphicsNew, truelight@0: /* 0x6 */ CfgApply, truelight@0: /* 0x7 */ SkipIf, truelight@0: /* 0x8 */ GRFInfo, truelight@0: /* 0x9 */ SkipIf, truelight@0: /* 0xa */ SpriteReplace, truelight@0: /* 0xb */ GRFError, truelight@0: /* 0xc */ GRFComment, truelight@0: /* 0xd */ ParamSet, truelight@0: /* 0xe */ GRFInhibit, truelight@0: }; darkvater@363: static int initialized; truelight@0: byte action; truelight@0: byte *buf = malloc(num); truelight@0: int i; truelight@0: celestar@356: if (buf == NULL) error("DecodeSpecialSprite: Could not allocate memory"); celestar@356: celestar@372: if (initialized == 0) { darkvater@363: InitializeGRFSpecial(); darkvater@363: initialized = 1; darkvater@363: } darkvater@363: darkvater@368: _cur_stage = stage; truelight@0: _cur_spriteid = spriteid; truelight@0: truelight@0: for (i = 0; i != num; i++) truelight@0: buf[i] = FioReadByte(); truelight@0: truelight@0: action = buf[0]; darkvater@368: celestar@389: /* XXX: There is a difference between staged loading in TTDPatch and celestar@389: * here. In TTDPatch, for some reason actions 1 and 2 are carried out celestar@389: * during stage 0, whilst action 3 is carried out during stage 1 (to celestar@389: * "resolve" cargo IDs... wtf). This is a little problem, because cargo celestar@389: * IDs are valid only within a given set (action 1) block, and may be celestar@389: * overwritten after action 3 associates them. But overwriting happens celestar@389: * in an earlier stage than associating, so... We just process actions celestar@389: * 1 and 2 in stage 1 now, let's hope that won't get us into problems. celestar@389: * --pasky */ darkvater@368: darkvater@368: if (stage == 0) { celestar@389: /* During initialization, actions 0, 1, 2, 3, 4, 5 and 7 are ignored. */ darkvater@368: celestar@389: if ((action == 0x00) || (action == 0x01) || (action == 0x02) || (action == 0x03) celestar@389: || (action == 0x04) || (action == 0x05) || (action == 0x07)) { celestar@379: DEBUG (grf, 7) ("DecodeSpecialSprite: Action: %x, Stage 0, Skipped", action); darkvater@368: /* Do nothing. */ darkvater@368: darkvater@368: } else if (action < NUM_ACTIONS) { celestar@379: DEBUG (grf, 7) ("DecodeSpecialSprite: Action: %x, Stage 0", action); darkvater@368: handlers[action](buf, num); darkvater@368: darkvater@368: } else { darkvater@368: grfmsg(GMS_WARN, "Unknown special sprite action %x, skipping.", action); darkvater@368: } darkvater@368: darkvater@368: } else if (stage == 1) { darkvater@368: /* A .grf file is activated only if it was active when the game was darkvater@368: * started. If a game is loaded, only its active .grfs will be darkvater@368: * reactivated, unless "loadallgraphics on" is used. A .grf file is darkvater@368: * considered active if its action 8 has been processed, i.e. its darkvater@368: * action 8 hasn't been skipped using an action 7. darkvater@368: * miham@441: * During activation, only actions 0, 1, 2, 3, 4, 5, 7, 8, 9, 0A and 0B are darkvater@368: * carried out. All others are ignored, because they only need to be darkvater@368: * processed once at initialization. */ darkvater@368: darkvater@368: if ((_cur_grffile == NULL) || strcmp(_cur_grffile->filename, filename)) darkvater@368: _cur_grffile = GetFileByFilename(filename); darkvater@368: darkvater@368: if (_cur_grffile == NULL) darkvater@368: error("File ``%s'' lost in cache.\n", filename); darkvater@368: darkvater@368: if (!(_cur_grffile->flags & 0x0001)) { celestar@379: DEBUG (grf, 7) ("DecodeSpecialSprite: Action: %x, Stage 1, Not activated", action); darkvater@368: /* Do nothing. */ darkvater@368: celestar@389: } else if ((action == 0x00) || (action == 0x01) || (action == 0x02) || (action == 0x03) celestar@389: || (action == 0x04) || (action == 0x05) || (action == 0x07) || (action == 0x08) miham@441: || (action == 0x09) || (action == 0x0A) || (action == 0x0B)) { celestar@379: DEBUG (grf, 7) ("DecodeSpecialSprite: Action: %x, Stage 1", action); darkvater@367: handlers[action](buf, num); darkvater@368: darkvater@368: } else if (action < NUM_ACTIONS) { celestar@379: DEBUG (grf, 7) ("DecodeSpecialSprite: Action: %x, Stage 1, Skipped", action); darkvater@368: /* Do nothing. */ darkvater@368: darkvater@368: } else { darkvater@368: grfmsg(GMS_WARN, "Unknown special sprite action %x, skipping.", action); darkvater@368: } darkvater@368: truelight@0: } else { darkvater@368: error("Invalid stage %d", stage); truelight@0: } truelight@0: truelight@0: free(buf); truelight@0: #undef NUM_ACTIONS truelight@0: }