diff --git a/src/p_saveg.c b/src/p_saveg.c index 89447db80..c876713e4 100644 --- a/src/p_saveg.c +++ b/src/p_saveg.c @@ -781,9 +781,10 @@ static void P_NetArchiveWorld(void) UINT8 *put; // reload the map just to see difference - mapsector_t *ms; - mapsidedef_t *msd; - maplinedef_t *mld; + virtres_t* virt = vres_GetMap(lastloadedmaplumpnum); + mapsector_t *ms = (mapsector_t*) vres_Find(virt, "SECTORS")->data; + mapsidedef_t *msd = (mapsidedef_t*) vres_Find(virt, "SIDEDEFS")->data; + maplinedef_t *mld = (maplinedef_t*) vres_Find(virt, "LINEDEFS")->data; const sector_t *ss = sectors; UINT8 diff, diff2, diff3; @@ -793,26 +794,6 @@ static void P_NetArchiveWorld(void) WRITEUINT32(save_p, ARCHIVEBLOCK_WORLD); put = save_p; - if (W_IsLumpWad(lastloadedmaplumpnum)) // welp it's a map wad in a pk3 - { // HACK: Open wad file rather quickly so we can get the data from the relevant lumps - UINT8 *wadData = W_CacheLumpNum(lastloadedmaplumpnum, PU_STATIC); - filelump_t *fileinfo = (filelump_t *)(wadData + ((wadinfo_t *)wadData)->infotableofs); -#define retrieve_mapdata(d, f)\ - d = Z_Malloc((f)->size, PU_CACHE, NULL); \ - M_Memcpy(d, wadData + (f)->filepos, (f)->size) - retrieve_mapdata(ms, fileinfo + ML_SECTORS); - retrieve_mapdata(mld, fileinfo + ML_LINEDEFS); - retrieve_mapdata(msd, fileinfo + ML_SIDEDEFS); -#undef retrieve_mapdata - Z_Free(wadData); // we're done with this now - } - else // phew it's just a WAD - { - ms = W_CacheLumpNum(lastloadedmaplumpnum+ML_SECTORS, PU_CACHE); - mld = W_CacheLumpNum(lastloadedmaplumpnum+ML_LINEDEFS, PU_CACHE); - msd = W_CacheLumpNum(lastloadedmaplumpnum+ML_SIDEDEFS, PU_CACHE); - } - for (i = 0; i < numsectors; i++, ss++, ms++) { diff = diff2 = diff3 = 0; @@ -1037,6 +1018,7 @@ static void P_NetArchiveWorld(void) WRITEUINT16(put, 0xffff); R_ClearTextureNumCache(false); + vres_Free(virt); save_p = put; } diff --git a/src/p_setup.c b/src/p_setup.c index 628292fe0..1b6464810 100644 --- a/src/p_setup.c +++ b/src/p_setup.c @@ -397,13 +397,6 @@ static inline void P_LoadRawVertexes(UINT8 *data, size_t i) } } -static inline void P_LoadVertexes(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawVertexes(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - /** Computes the length of a seg in fracunits. * * \param seg Seg to compute length for. @@ -488,14 +481,6 @@ static void P_LoadRawSegs(UINT8 *data, size_t i) } } -static void P_LoadSegs(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawSegs(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - - /** Loads the SSECTORS resource from a level. * * \param lump Lump number of the SSECTORS resource. @@ -525,13 +510,6 @@ static inline void P_LoadRawSubsectors(void *data, size_t i) } } -static void P_LoadSubsectors(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawSubsectors(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - // // levelflats // @@ -805,13 +783,6 @@ static void P_LoadRawSectors(UINT8 *data, size_t i) P_SetupLevelFlatAnims(); } -static void P_LoadSectors(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawSectors(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - // // P_LoadNodes // @@ -844,13 +815,6 @@ static void P_LoadRawNodes(UINT8 *data, size_t i) } } -static void P_LoadNodes(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawNodes(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - // // P_ReloadRings // Used by NiGHTS, clears all ring/wing/etc items and respawns them @@ -1028,13 +992,6 @@ static void P_PrepareRawThings(UINT8 *data, size_t i) } } -static void P_PrepareThings(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_PrepareRawThings(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - static void SpawnEmeraldHunt (void) { INT32 emer1, emer2, emer3; @@ -1290,13 +1247,6 @@ static void P_LoadRawLineDefs(UINT8 *data, size_t i) } } -static void P_LoadLineDefs(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawLineDefs(data, W_LumpLength(lumpnum)); - Z_Free(data); -} - static void P_LoadLineDefs2(void) { size_t i = numlines; @@ -1409,12 +1359,6 @@ static inline void P_LoadRawSideDefs(size_t i) sides = Z_Calloc(numsides * sizeof (*sides), PU_LEVEL, NULL); } -static inline void P_LoadSideDefs(lumpnum_t lumpnum) -{ - P_LoadRawSideDefs(W_LumpLength(lumpnum)); -} - - static void P_LoadRawSideDefs2(void *data) { UINT16 i; @@ -1575,15 +1519,6 @@ static void P_LoadRawSideDefs2(void *data) R_ClearTextureNumCache(true); } -// Delay loading texture names until after loaded linedefs. -static void P_LoadSideDefs2(lumpnum_t lumpnum) -{ - UINT8 *data = W_CacheLumpNum(lumpnum, PU_STATIC); - P_LoadRawSideDefs2(data); - Z_Free(data); -} - - static boolean LineInBlock(fixed_t cx1, fixed_t cy1, fixed_t cx2, fixed_t cy2, fixed_t bx1, fixed_t by1) { fixed_t bbox[4]; @@ -1863,84 +1798,11 @@ static void P_ReadBlockMapLump(INT16 *wadblockmaplump, size_t count) } } -// -// P_LoadBlockMap -// -// Levels might not have a blockmap, so if one does not exist -// this should return false. -static boolean P_LoadBlockMap(lumpnum_t lumpnum) -{ -#if 0 - (void)lumpnum; - return false; -#else - size_t count; - const char *lumpname = W_CheckNameForNum(lumpnum); - - // Check if the lump exists, and if it's named "BLOCKMAP" - if (!lumpname || memcmp(lumpname, "BLOCKMAP", 8) != 0) - { - return false; - } - - count = W_LumpLength(lumpnum); - - if (!count || count >= 0x20000) - return false; - - { - INT16 *wadblockmaplump = malloc(count); //INT16 *wadblockmaplump = W_CacheLumpNum (lump, PU_LEVEL); - if (!wadblockmaplump) - return false; - W_ReadLump(lumpnum, wadblockmaplump); - count /= 2; - P_ReadBlockMapLump(wadblockmaplump, count); - free(wadblockmaplump); - } - - bmaporgx = blockmaplump[0]<= 0x20000) return false; @@ -2079,47 +1935,10 @@ static void P_GroupLines(void) } } -// -// P_LoadReject -// -// Detect if the REJECT lump is valid, -// if not, rejectmatrix will be NULL -static void P_LoadReject(lumpnum_t lumpnum) -{ - size_t count; - const char *lumpname = W_CheckNameForNum(lumpnum); - - // Check if the lump exists, and if it's named "REJECT" - if (!lumpname || memcmp(lumpname, "REJECT\0\0", 8) != 0) - { - rejectmatrix = NULL; - CONS_Debug(DBG_SETUP, "P_LoadReject: No valid REJECT lump found\n"); - return; - } - - count = W_LumpLength(lumpnum); - - if (!count) // zero length, someone probably used ZDBSP - { - rejectmatrix = NULL; - CONS_Debug(DBG_SETUP, "P_LoadReject: REJECT lump has size 0, will not be loaded\n"); - } - else - rejectmatrix = W_CacheLumpNum(lumpnum, PU_LEVEL); -} - // PK3 version // -- Monster Iestyn 09/01/18 -static void P_LoadRawReject(UINT8 *data, size_t count, const char *lumpname) +static void P_LoadRawReject(UINT8 *data, size_t count) { - // Check if the lump is named "REJECT" - if (!lumpname || memcmp(lumpname, "REJECT\0\0", 8) != 0) - { - rejectmatrix = NULL; - CONS_Debug(DBG_SETUP, "P_LoadRawReject: No valid REJECT lump found\n"); - return; - } - if (!count) // zero length, someone probably used ZDBSP { rejectmatrix = NULL; @@ -2307,6 +2126,8 @@ void P_LoadThingsOnly(void) // Search through all the thinkers. thinker_t *think; INT32 i, viewid = -1, centerid = -1; // for skyboxes + virtres_t* virt = vres_GetMap(lastloadedmaplumpnum); + virtlump_t* vth = vres_Find(virt, "THINGS"); // check if these are any of the normal viewpoint/centerpoint mobjs in the level or not if (skyboxmo[0] || skyboxmo[1]) @@ -2318,7 +2139,6 @@ void P_LoadThingsOnly(void) centerid = i; // save id just in case } - for (think = thlist[THINK_MOBJ].next; think != &thlist[THINK_MOBJ]; think = think->next) { if (think->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed) @@ -2328,18 +2148,11 @@ void P_LoadThingsOnly(void) P_LevelInitStuff(); - if (W_IsLumpWad(lastloadedmaplumpnum)) // welp it's a map wad in a pk3 - { // HACK: Open wad file rather quickly so we can use the things lump - UINT8 *wadData = W_CacheLumpNum(lastloadedmaplumpnum, PU_STATIC); - filelump_t *fileinfo = (filelump_t *)(wadData + ((wadinfo_t *)wadData)->infotableofs); - fileinfo += ML_THINGS; // we only need the THINGS lump - P_PrepareRawThings(wadData + fileinfo->filepos, fileinfo->size); - Z_Free(wadData); // we're done with this now - } - else // phew it's just a WAD - P_PrepareThings(lastloadedmaplumpnum + ML_THINGS); + P_PrepareRawThings(vth->data, vth->size); P_LoadThings(true); + vres_Free(virt); + // restore skybox viewpoint/centerpoint if necessary, set them to defaults if we can't do that skyboxmo[0] = skyboxviewpnts[(viewid >= 0) ? viewid : 0]; skyboxmo[1] = skyboxcenterpnts[(centerid >= 0) ? centerid : 0]; @@ -2371,7 +2184,7 @@ static INT32 P_MakeBufferMD5(const char *buffer, size_t len, void *resblock) #endif } -static void P_MakeMapMD5(lumpnum_t maplumpnum, void *dest) +static void P_MakeMapMD5(virtres_t* virt, void *dest) { unsigned char linemd5[16]; unsigned char sectormd5[16]; @@ -2382,20 +2195,15 @@ static void P_MakeMapMD5(lumpnum_t maplumpnum, void *dest) // Create a hash for the current map // get the actual lumps! - UINT8 *datalines = W_CacheLumpNum(maplumpnum + ML_LINEDEFS, PU_CACHE); - UINT8 *datasectors = W_CacheLumpNum(maplumpnum + ML_SECTORS, PU_CACHE); - UINT8 *datathings = W_CacheLumpNum(maplumpnum + ML_THINGS, PU_CACHE); - UINT8 *datasides = W_CacheLumpNum(maplumpnum + ML_SIDEDEFS, PU_CACHE); + virtlump_t* virtlines = vres_Find(virt, "LINEDEFS"); + virtlump_t* virtsectors = vres_Find(virt, "SECTORS"); + virtlump_t* virtmthings = vres_Find(virt, "THINGS"); + virtlump_t* virtsides = vres_Find(virt, "SIDEDEFS"); - P_MakeBufferMD5((char*)datalines, W_LumpLength(maplumpnum + ML_LINEDEFS), linemd5); - P_MakeBufferMD5((char*)datasectors, W_LumpLength(maplumpnum + ML_SECTORS), sectormd5); - P_MakeBufferMD5((char*)datathings, W_LumpLength(maplumpnum + ML_THINGS), thingmd5); - P_MakeBufferMD5((char*)datasides, W_LumpLength(maplumpnum + ML_SIDEDEFS), sidedefmd5); - - Z_Free(datalines); - Z_Free(datasectors); - Z_Free(datathings); - Z_Free(datasides); + P_MakeBufferMD5((char*)virtlines->data, virtlines->size, linemd5); + P_MakeBufferMD5((char*)virtsectors->data, virtsectors->size, sectormd5); + P_MakeBufferMD5((char*)virtmthings->data, virtmthings->size, thingmd5); + P_MakeBufferMD5((char*)virtsides->data, virtsides->size, sidedefmd5); for (i = 0; i < 16; i++) resmd5[i] = (linemd5[i] + sectormd5[i] + thingmd5[i] + sidedefmd5[i]) & 0xFF; @@ -2631,7 +2439,6 @@ boolean P_SetupLevel(boolean skipprecip) INT32 i, loadprecip = 1, ranspecialwipe = 0; INT32 loademblems = 1; INT32 fromnetsave = 0; - boolean loadedbm = false; sector_t *ss; boolean chase; levelloading = true; @@ -2880,53 +2687,44 @@ boolean P_SetupLevel(boolean skipprecip) // SRB2 determines the sky texture to be used depending on the map header. P_SetupLevelSky(mapheaderinfo[gamemap-1]->skynum, true); - P_MakeMapMD5(lastloadedmaplumpnum, &mapmd5); - - // HACK ALERT: Cache the WAD, get the map data into the tables, free memory. - // As it is implemented right now, we're assuming an uncompressed WAD. - // (As in, a normal PWAD, not ZWAD or anything. The lump itself can be compressed.) - // We're not accounting for extra lumps and scrambled lump positions. Any additional data will cause an error. - if (W_IsLumpWad(lastloadedmaplumpnum)) + if (lastloadedmaplumpnum) { - // Remember that we're assuming that the WAD will have a specific set of lumps in a specific order. - UINT8 *wadData = W_CacheLumpNum(lastloadedmaplumpnum, PU_STATIC); - //filelump_t *fileinfo = wadData + ((wadinfo_t *)wadData)->infotableofs; - filelump_t *fileinfo = (filelump_t *)(wadData + ((wadinfo_t *)wadData)->infotableofs); - UINT32 numlumps = ((wadinfo_t *)wadData)->numlumps; + virtres_t* virt = vres_GetMap(lastloadedmaplumpnum); + virtlump_t* virtthings = vres_Find(virt, "THINGS"); + virtlump_t* virtvertexes = vres_Find(virt, "VERTEXES"); + virtlump_t* virtsectors = vres_Find(virt, "SECTORS"); + virtlump_t* virtsidedefs = vres_Find(virt, "SIDEDEFS"); + virtlump_t* virtlinedefs = vres_Find(virt, "LINEDEFS"); - if (numlumps < ML_REJECT) // at least 9 lumps should be in the wad for a map to be loaded - { - I_Error("Bad WAD file for map %s!\n", maplumpname); - } + virtlump_t* virtssectors = vres_Find(virt, "SSECTORS"); + virtlump_t* virtsegs = vres_Find(virt, "SEGS"); + virtlump_t* virtnodes = vres_Find(virt, "NODES"); - if (numlumps > ML_BLOCKMAP) // enough room for a BLOCKMAP lump at least - { - loadedbm = P_LoadRawBlockMap( - wadData + (fileinfo + ML_BLOCKMAP)->filepos, - (fileinfo + ML_BLOCKMAP)->size, - (fileinfo + ML_BLOCKMAP)->name); - } - P_LoadRawVertexes(wadData + (fileinfo + ML_VERTEXES)->filepos, (fileinfo + ML_VERTEXES)->size); - P_LoadRawSectors(wadData + (fileinfo + ML_SECTORS)->filepos, (fileinfo + ML_SECTORS)->size); - P_LoadRawSideDefs((fileinfo + ML_SIDEDEFS)->size); - P_LoadRawLineDefs(wadData + (fileinfo + ML_LINEDEFS)->filepos, (fileinfo + ML_LINEDEFS)->size); - P_LoadRawSideDefs2(wadData + (fileinfo + ML_SIDEDEFS)->filepos); - P_LoadRawSubsectors(wadData + (fileinfo + ML_SSECTORS)->filepos, (fileinfo + ML_SSECTORS)->size); - P_LoadRawNodes(wadData + (fileinfo + ML_NODES)->filepos, (fileinfo + ML_NODES)->size); - P_LoadRawSegs(wadData + (fileinfo + ML_SEGS)->filepos, (fileinfo + ML_SEGS)->size); - if (numlumps > ML_REJECT) // enough room for a REJECT lump at least - { - P_LoadRawReject( - wadData + (fileinfo + ML_REJECT)->filepos, - (fileinfo + ML_REJECT)->size, - (fileinfo + ML_REJECT)->name); - } + virtlump_t* virtblockmap = vres_Find(virt, "BLOCKMAP"); + virtlump_t* virtreject = vres_Find(virt, "REJECT"); + + P_MakeMapMD5(virt, &mapmd5); + + P_LoadRawVertexes(virtvertexes->data, virtvertexes->size); + P_LoadRawSectors(virtsectors->data, virtsectors->size); + P_LoadRawSideDefs(virtsidedefs->size); + P_LoadRawLineDefs(virtlinedefs->data, virtlinedefs->size); + P_LoadRawSideDefs2(virtsidedefs->data); + P_LoadRawSubsectors(virtssectors->data, virtssectors->size); + P_LoadRawNodes(virtnodes->data, virtnodes->size); + P_LoadRawSegs(virtsegs->data, virtsegs->size); + + if (virtreject) + P_LoadRawReject(virtreject->data, virtreject->size); + else + rejectmatrix = NULL; + + if (!(virtblockmap && P_LoadRawBlockMap(virtblockmap->data, virtblockmap->size))) + P_CreateBlockMap(); - // Important: take care of the ordering of the next functions. - if (!loadedbm) - P_CreateBlockMap(); // Graue 02-29-2004 P_LoadLineDefs2(); P_GroupLines(); + numdmstarts = numredctfstarts = numbluectfstarts = 0; // reset the player starts @@ -2944,46 +2742,9 @@ boolean P_SetupLevel(boolean skipprecip) P_MapStart(); - P_PrepareRawThings(wadData + (fileinfo + ML_THINGS)->filepos, (fileinfo + ML_THINGS)->size); - Z_Free(wadData); - } - else - { - // Important: take care of the ordering of the next functions. - loadedbm = P_LoadBlockMap(lastloadedmaplumpnum + ML_BLOCKMAP); - P_LoadVertexes(lastloadedmaplumpnum + ML_VERTEXES); - P_LoadSectors(lastloadedmaplumpnum + ML_SECTORS); - P_LoadSideDefs(lastloadedmaplumpnum + ML_SIDEDEFS); - P_LoadLineDefs(lastloadedmaplumpnum + ML_LINEDEFS); - P_LoadSideDefs2(lastloadedmaplumpnum + ML_SIDEDEFS); - P_LoadSubsectors(lastloadedmaplumpnum + ML_SSECTORS); - P_LoadNodes(lastloadedmaplumpnum + ML_NODES); - P_LoadSegs(lastloadedmaplumpnum + ML_SEGS); - P_LoadReject(lastloadedmaplumpnum + ML_REJECT); + P_PrepareRawThings(virtthings->data, virtthings->size); - // Important: take care of the ordering of the next functions. - if (!loadedbm) - P_CreateBlockMap(); // Graue 02-29-2004 - P_LoadLineDefs2(); - P_GroupLines(); - numdmstarts = numredctfstarts = numbluectfstarts = 0; - - // reset the player starts - for (i = 0; i < MAXPLAYERS; i++) - playerstarts[i] = bluectfstarts[i] = redctfstarts[i] = NULL; - - for (i = 0; i < MAX_DM_STARTS; i++) - deathmatchstarts[i] = NULL; - - for (i = 0; i < 2; i++) - skyboxmo[i] = NULL; - - for (i = 0; i < 16; i++) - skyboxviewpnts[i] = skyboxcenterpnts[i] = NULL; - - P_MapStart(); - - P_PrepareThings(lastloadedmaplumpnum + ML_THINGS); + vres_Free(virt); } // init gravity, tag lists, diff --git a/src/p_spec.c b/src/p_spec.c index dba4e17b5..8ec1646ce 100644 --- a/src/p_spec.c +++ b/src/p_spec.c @@ -6425,7 +6425,7 @@ void P_SpawnSpecials(INT32 fromnetsave) INT32 j; thinkerlist_t *secthinkers; thinker_t *th; - + virtres_t* virt = NULL; // This used to be used, and *should* be used in the future, // but currently isn't. (void)fromnetsave; @@ -7177,17 +7177,10 @@ void P_SpawnSpecials(INT32 fromnetsave) UINT8 *data; UINT16 b; - if (W_IsLumpWad(lastloadedmaplumpnum)) // welp it's a map wad in a pk3 - { // HACK: Open wad file rather quickly so we can get the data from the sidedefs lump - UINT8 *wadData = W_CacheLumpNum(lastloadedmaplumpnum, PU_STATIC); - filelump_t *fileinfo = (filelump_t *)(wadData + ((wadinfo_t *)wadData)->infotableofs); - fileinfo += ML_SIDEDEFS; // we only need the SIDEDEFS lump - data = Z_Malloc(fileinfo->size, PU_STATIC, NULL); - M_Memcpy(data, wadData + fileinfo->filepos, fileinfo->size); // copy data - Z_Free(wadData); // we're done with this now - } - else // phew it's just a WAD - data = W_CacheLumpNum(lastloadedmaplumpnum + ML_SIDEDEFS,PU_STATIC); + if (!virt) + virt = vres_GetMap(lastloadedmaplumpnum); + + data = (UINT8*) vres_Find(virt, "SIDEDEFS")->data; for (b = 0; b < (INT16)numsides; b++) { @@ -7433,6 +7426,9 @@ void P_SpawnSpecials(INT32 fromnetsave) } } + if (virt) + vres_Free(virt); + // Allocate each list for (i = 0; i < numsectors; i++) if(secthinkers[i].thinkers) diff --git a/src/w_wad.c b/src/w_wad.c index 801f50edd..2e2d00516 100644 --- a/src/w_wad.c +++ b/src/w_wad.c @@ -1888,3 +1888,98 @@ int W_VerifyNMUSlumps(const char *filename) }; return W_VerifyFile(filename, NMUSlist, false); } + +/** \brief Generates a virtual resource used for level data loading. + * + * \param lumpnum_t reference + * \return Virtual resource + * + */ +virtres_t* vres_GetMap (lumpnum_t lumpnum) +{ + UINT32 i; + virtres_t* vres = NULL; + virtlump_t* vlumps = NULL; + size_t numlumps = 0; + + if (W_IsLumpWad(lumpnum)) + { + // Remember that we're assuming that the WAD will have a specific set of lumps in a specific order. + UINT8 *wadData = W_CacheLumpNum(lumpnum, PU_LEVEL); + filelump_t *fileinfo = (filelump_t *)(wadData + ((wadinfo_t *)wadData)->infotableofs); + numlumps = ((wadinfo_t *)wadData)->numlumps; + vlumps = Z_Malloc(sizeof(virtlump_t)*numlumps, PU_LEVEL, NULL); + + // Build the lumps. + for (i = 0; i < numlumps; i++) + { + vlumps[i].size = (size_t)(((filelump_t *)(fileinfo + i))->size); + // Play it safe with the name in this case. + memcpy(vlumps[i].name, (fileinfo + i)->name, 8); + vlumps[i].name[8] = '\0'; + vlumps[i].data = Z_Malloc(vlumps[i].size, PU_LEVEL, NULL); // This is memory inefficient, sorry about that. + memcpy(vlumps[i].data, wadData + (fileinfo + i)->filepos, vlumps[i].size); + } + + Z_Free(wadData); + } + else + { + // Count number of lumps until the end of resource OR up until next "MAPXX" lump. + lumpnum_t lumppos = lumpnum + 1; + for (i = LUMPNUM(lumppos); i < wadfiles[WADFILENUM(lumpnum)]->numlumps; i++, lumppos++, numlumps++) + if (memcmp(W_CheckNameForNum(lumppos), "MAP", 3) == 0) + break; + numlumps++; + + vlumps = Z_Malloc(sizeof(virtlump_t)*numlumps, PU_LEVEL, NULL); + for (i = 0; i < numlumps; i++, lumpnum++) + { + vlumps[i].size = W_LumpLength(lumpnum); + memcpy(vlumps[i].name, W_CheckNameForNum(lumpnum), 8); + vlumps[i].name[8] = '\0'; + vlumps[i].data = W_CacheLumpNum(lumpnum, PU_LEVEL); + } + } + vres = Z_Malloc(sizeof(virtres_t), PU_LEVEL, NULL); + vres->vlumps = vlumps; + vres->numlumps = numlumps; + return vres; +} + +/** \brief Frees zone memory for a given virtual resource. + * + * \param Virtual resource + */ +void vres_Free (virtres_t* vres) +{ + while (vres->numlumps--) + Z_Free(vres->vlumps[vres->numlumps].data); + Z_Free(vres->vlumps); + Z_Free(vres); +} + +/** (Debug) Prints lumps from a virtual resource into console. + */ +static void vres_Diag (const virtres_t* vres) +{ + UINT32 i; + for (i = 0; i < vres->numlumps; i++) + CONS_Printf("%s\n", vres->vlumps[i].name); +} + +/** \brief Finds a lump in a given virtual resource. + * + * \param Virtual resource + * \param Lump name to look for + * \return Virtual lump if found, NULL otherwise + * + */ +virtlump_t* vres_Find(const virtres_t* vres, const char* name) +{ + UINT32 i; + for (i = 0; i < vres->numlumps; i++) + if (fastcmp(name, vres->vlumps[i].name)) + return &vres->vlumps[i]; + return NULL; +} diff --git a/src/w_wad.h b/src/w_wad.h index a8be13ece..a265d78a9 100644 --- a/src/w_wad.h +++ b/src/w_wad.h @@ -72,6 +72,25 @@ typedef struct compmethod compression; // lump compression method } lumpinfo_t; +// ========================================================================= +// 'VIRTUAL' RESOURCES +// ========================================================================= + +typedef struct { + char name[9]; + UINT8* data; + size_t size; +} virtlump_t; + +typedef struct { + size_t numlumps; + virtlump_t* vlumps; +} virtres_t; + +virtres_t* vres_GetMap (lumpnum_t); +void vres_Free (virtres_t*); +virtlump_t* vres_Find (const virtres_t*, const char*); + // ========================================================================= // DYNAMIC WAD LOADING // =========================================================================