Move loading functions around a bit and refactor the stage data allocation code.
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Nev3r
parent
edfe053cc3
commit
43cbad200c
173
src/p_setup.c
173
src/p_setup.c
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@ -373,21 +373,11 @@ UINT32 P_GetScoreForGrade(INT16 map, UINT8 mare, UINT8 grade)
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* \sa ML_VERTEXES
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*/
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static inline void P_LoadRawVertexes(UINT8 *data, size_t i)
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static inline void P_LoadRawVertexes(UINT8 *data)
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{
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mapvertex_t *ml;
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vertex_t *li;
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numvertexes = i / sizeof (mapvertex_t);
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if (numvertexes <= 0)
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I_Error("Level has no vertices"); // instead of crashing
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// Allocate zone memory for buffer.
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vertexes = Z_Calloc(numvertexes * sizeof (*vertexes), PU_LEVEL, NULL);
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ml = (mapvertex_t *)data;
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li = vertexes;
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mapvertex_t *ml = (mapvertex_t *)data;
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vertex_t *li = vertexes;
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size_t i;
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// Copy and convert vertex coordinates, internal representation as fixed.
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for (i = 0; i < numvertexes; i++, li++, ml++)
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@ -677,19 +667,12 @@ INT32 P_CheckLevelFlat(const char *flatname)
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// Sets up the ingame sectors structures.
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// Lumpnum is the lumpnum of a SECTORS lump.
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static void P_LoadRawSectors(UINT8 *data, size_t i)
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static void P_LoadRawSectors(UINT8 *data)
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{
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mapsector_t *ms;
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sector_t *ss;
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mapsector_t *ms = (mapsector_t *)data;
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sector_t *ss = sectors;
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levelflat_t *foundflats;
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// We count how many sectors we got.
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numsectors = i / sizeof (mapsector_t);
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if (numsectors <= 0)
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I_Error("Level has no sectors");
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// Allocate as much memory as we need into the global sectors table.
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sectors = Z_Calloc(numsectors*sizeof (*sectors), PU_LEVEL, NULL);
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size_t i;
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// Allocate a big chunk of memory as big as our MAXLEVELFLATS limit.
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//Fab : FIXME: allocate for whatever number of flats - 512 different flats per level should be plenty
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@ -700,8 +683,6 @@ static void P_LoadRawSectors(UINT8 *data, size_t i)
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numlevelflats = 0;
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// For each counted sector, copy the sector raw data from our cache pointer ms, to the global table pointer ss.
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ms = (mapsector_t *)data;
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ss = sectors;
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for (i = 0; i < numsectors; i++, ss++, ms++)
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{
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ss->floorheight = SHORT(ms->floorheight)<<FRACBITS;
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@ -1150,33 +1131,46 @@ void P_WriteThings(lumpnum_t lumpnum)
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CONS_Printf(M_GetText("newthings%d.lmp saved.\n"), gamemap);
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}
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static void P_LoadRawLineDefs(UINT8 *data, size_t i)
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static void P_LoadRawLineDefs(UINT8 *data)
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{
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maplinedef_t *mld;
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line_t *ld;
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vertex_t *v1, *v2;
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maplinedef_t *mld = (maplinedef_t *)data;
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line_t *ld = lines;
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size_t i;
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numlines = i / sizeof (maplinedef_t);
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if (numlines <= 0)
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I_Error("Level has no linedefs");
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lines = Z_Calloc(numlines * sizeof (*lines), PU_LEVEL, NULL);
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mld = (maplinedef_t *)data;
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ld = lines;
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for (i = 0; i < numlines; i++, mld++, ld++)
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{
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ld->flags = SHORT(mld->flags);
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ld->special = SHORT(mld->special);
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ld->tag = SHORT(mld->tag);
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v1 = ld->v1 = &vertexes[SHORT(mld->v1)];
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v2 = ld->v2 = &vertexes[SHORT(mld->v2)];
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ld->dx = v2->x - v1->x;
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ld->dy = v2->y - v1->y;
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ld->v1 = &vertexes[SHORT(mld->v1)];
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ld->v2 = &vertexes[SHORT(mld->v2)];
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ld->sidenum[0] = SHORT(mld->sidenum[0]);
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ld->sidenum[1] = SHORT(mld->sidenum[1]);
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}
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}
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static void SetupLines (void)
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{
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line_t *ld = lines;
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size_t i;
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for (i = 0; i < numlines; i++, ld++)
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{
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vertex_t *v1 = ld->v1;
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vertex_t *v2 = ld->v2;
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#ifdef WALLSPLATS
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ld->splats = NULL;
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#endif
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#ifdef POLYOBJECTS
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ld->polyobj = NULL;
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#endif
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ld->dx = v2->x - v1->x;
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ld->dy = v2->y - v1->y;
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if (!ld->dx)
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ld->slopetype = ST_VERTICAL;
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else if (!ld->dy)
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@ -1208,52 +1202,43 @@ static void P_LoadRawLineDefs(UINT8 *data, size_t i)
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ld->bbox[BOXTOP] = v1->y;
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}
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ld->sidenum[0] = SHORT(mld->sidenum[0]);
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ld->sidenum[1] = SHORT(mld->sidenum[1]);
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{
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// cph 2006/09/30 - fix sidedef errors right away.
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// cph 2002/07/20 - these errors are fatal if not fixed, so apply them
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UINT8 j;
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for (j=0; j < 2; j++)
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{
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if (ld->sidenum[j] != 0xffff && ld->sidenum[j] >= (UINT16)numsides)
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{
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ld->sidenum[j] = 0xffff;
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CONS_Debug(DBG_SETUP, "P_LoadRawLineDefs: linedef %s has out-of-range sidedef number\n", sizeu1(numlines-i-1));
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}
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}
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}
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ld->frontsector = ld->backsector = NULL;
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ld->validcount = 0;
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ld->firsttag = ld->nexttag = -1;
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ld->callcount = 0;
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// killough 11/98: fix common wad errors (missing sidedefs):
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// killough 11/98: fix common wad errors (missing sidedefs):
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if (ld->sidenum[0] == 0xffff)
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{
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ld->sidenum[0] = 0; // Substitute dummy sidedef for missing right side
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// cph - print a warning about the bug
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CONS_Debug(DBG_SETUP, "P_LoadRawLineDefs: linedef %s missing first sidedef\n", sizeu1(numlines-i-1));
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CONS_Debug(DBG_SETUP, "Linedef %s missing first sidedef\n", sizeu1(numlines-i-1));
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}
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if ((ld->sidenum[1] == 0xffff) && (ld->flags & ML_TWOSIDED))
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{
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ld->flags &= ~ML_TWOSIDED; // Clear 2s flag for missing left side
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// cph - print a warning about the bug
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CONS_Debug(DBG_SETUP, "P_LoadRawLineDefs: linedef %s has two-sided flag set, but no second sidedef\n", sizeu1(numlines-i-1));
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CONS_Debug(DBG_SETUP, "Linedef %s has two-sided flag set, but no second sidedef\n", sizeu1(numlines-i-1));
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}
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if (ld->sidenum[0] != 0xffff && ld->special)
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sides[ld->sidenum[0]].special = ld->special;
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if (ld->sidenum[1] != 0xffff && ld->special)
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sides[ld->sidenum[1]].special = ld->special;
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#ifdef POLYOBJECTS
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ld->polyobj = NULL;
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#endif
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}
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}
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@ -1359,16 +1344,6 @@ static void P_LoadLineDefs2(void)
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}
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}
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static inline void P_LoadRawSideDefs(size_t i)
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{
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numsides = i / sizeof (mapsidedef_t);
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if (numsides <= 0)
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I_Error("Level has no sidedefs");
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sides = Z_Calloc(numsides * sizeof (*sides), PU_LEVEL, NULL);
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}
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static void P_LoadRawSideDefs2(void *data)
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{
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UINT16 i;
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@ -2697,6 +2672,23 @@ boolean P_SetupLevel(boolean skipprecip)
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// SRB2 determines the sky texture to be used depending on the map header.
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P_SetupLevelSky(mapheaderinfo[gamemap-1]->skynum, true);
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numdmstarts = numredctfstarts = numbluectfstarts = 0;
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// reset the player starts
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for (i = 0; i < MAXPLAYERS; i++)
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playerstarts[i] = bluectfstarts[i] = redctfstarts[i] = NULL;
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for (i = 0; i < MAX_DM_STARTS; i++)
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deathmatchstarts[i] = NULL;
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for (i = 0; i < 2; i++)
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skyboxmo[i] = NULL;
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for (i = 0; i < 16; i++)
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skyboxviewpnts[i] = skyboxcenterpnts[i] = NULL;
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P_MapStart();
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if (lastloadedmaplumpnum)
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{
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virtres_t* virt = vres_GetMap(lastloadedmaplumpnum);
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@ -2713,17 +2705,41 @@ boolean P_SetupLevel(boolean skipprecip)
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virtlump_t* virtblockmap = vres_Find(virt, "BLOCKMAP");
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virtlump_t* virtreject = vres_Find(virt, "REJECT");
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P_MakeMapMD5(virt, &mapmd5);
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// Traditional doom map format just assumes the number of elements from the lump sixes.
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numvertexes = virtvertexes->size / sizeof (mapvertex_t);
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numsectors = virtsectors->size / sizeof (mapsector_t);
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numsides = virtsidedefs->size / sizeof (mapsidedef_t);
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numlines = virtlinedefs->size / sizeof (maplinedef_t);
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nummapthings = virtthings->size / (5 * sizeof (INT16));
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P_LoadRawVertexes(virtvertexes->data, virtvertexes->size);
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P_LoadRawSectors(virtsectors->data, virtsectors->size);
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P_LoadRawSideDefs(virtsidedefs->size);
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P_LoadRawLineDefs(virtlinedefs->data, virtlinedefs->size);
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if (numvertexes <= 0)
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I_Error("Level has no vertices");
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if (numsectors <= 0)
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I_Error("Level has no sectors");
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if (numsides <= 0)
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I_Error("Level has no sidedefs");
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if (numlines <= 0)
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I_Error("Level has no linedefs");
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vertexes = Z_Calloc(numvertexes * sizeof (*vertexes), PU_LEVEL, NULL);
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sectors = Z_Calloc(numsectors * sizeof (*sectors), PU_LEVEL, NULL);
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sides = Z_Calloc(numsides * sizeof (*sides), PU_LEVEL, NULL);
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lines = Z_Calloc(numlines * sizeof (*lines), PU_LEVEL, NULL);
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mapthings= Z_Calloc(nummapthings * sizeof (*mapthings), PU_LEVEL, NULL);
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// Strict map data
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P_LoadRawVertexes(virtvertexes->data);
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P_LoadRawSectors(virtsectors->data);
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P_LoadRawLineDefs(virtlinedefs->data);
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SetupLines();
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P_LoadRawSideDefs2(virtsidedefs->data);
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// Nodes
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P_LoadRawSubsectors(virtssectors->data, virtssectors->size);
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P_LoadRawNodes(virtnodes->data, virtnodes->size);
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P_LoadRawSegs(virtsegs->data, virtsegs->size);
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// Lookup tables
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if (virtreject)
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P_LoadRawReject(virtreject->data, virtreject->size);
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else
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@ -2735,25 +2751,10 @@ boolean P_SetupLevel(boolean skipprecip)
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P_LoadLineDefs2();
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P_GroupLines();
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numdmstarts = numredctfstarts = numbluectfstarts = 0;
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// reset the player starts
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for (i = 0; i < MAXPLAYERS; i++)
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playerstarts[i] = bluectfstarts[i] = redctfstarts[i] = NULL;
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for (i = 0; i < MAX_DM_STARTS; i++)
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deathmatchstarts[i] = NULL;
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for (i = 0; i < 2; i++)
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skyboxmo[i] = NULL;
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for (i = 0; i < 16; i++)
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skyboxviewpnts[i] = skyboxcenterpnts[i] = NULL;
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P_MapStart();
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P_PrepareRawThings(virtthings->data, virtthings->size);
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P_MakeMapMD5(virt, &mapmd5);
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vres_Free(virt);
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}
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