//
// TextureManager::cacheRawTexture
//
// Converts a linear 320x200 block of pixels into a Texture
//
void TextureManager::cacheRawTexture(texhandle_t handle)
{
const int width = 320;
const int height = 200;
Texture* texture = createTexture(handle, width, height);
if (clientside)
{
unsigned int lumpnum = (handle & ~RAW_HANDLE_MASK);
unsigned int lumplen = W_LumpLength(lumpnum);
byte *lumpdata = new byte[lumplen];
W_ReadLump(lumpnum, lumpdata);
// convert the row-major flat lump to into column-major
byte* dest = texture->mData;
for (int x = 0; x < width; x++)
{
const byte* source = lumpdata + x;
for (int y = 0; y < height; y++)
{
*dest = *source;
source += width;
dest++;
}
}
delete [] lumpdata;
}
}
void P_LoadVertexes (int lump)
{
#ifdef MARS
numvertexes = W_LumpLength (lump) / sizeof(vertex_t);
vertexes = (vertex_t *)(wadfileptr+BIGLONG(lumpinfo[lump].filepos));
#else
byte *data;
int i;
mapvertex_t *ml;
vertex_t *li;
numvertexes = W_LumpLength (lump) / sizeof(mapvertex_t);
vertexes = Z_Malloc (numvertexes*sizeof(vertex_t),PU_LEVEL,0);
data = I_TempBuffer ();
W_ReadLump (lump,data);
ml = (mapvertex_t *)data;
li = vertexes;
for (i=0 ; i<numvertexes ; i++, li++, ml++)
{
li->x = LITTLESHORT(ml->x)<<FRACBITS;
li->y = LITTLESHORT(ml->y)<<FRACBITS;
}
#endif
}
void *W_CacheLumpNum(int lump, int tag)
{
byte *ptr;
if((unsigned) lump >= (unsigned) numlumps)
{
Con_Error("W_CacheLumpNum: %i >= numlumps", lump);
}
// Return the name instead of data?
if(tag == PU_GETNAME)
{
strncpy(retname, lumpinfo[lump].name, 8);
retname[8] = 0;
return retname;
}
if(!lumpcache[lump])
{ // Need to read the lump in
ptr = Z_Malloc(W_LumpLength(lump), tag, &lumpcache[lump]);
W_ReadLump(lump, lumpcache[lump]);
}
else
{
Z_ChangeTag(lumpcache[lump], tag);
}
return lumpcache[lump];
}
static char *GetFinaleText(int sequence)
{
char *msgLumpName;
int msgSize;
int msgLump;
static char *winMsgLumpNames[] =
{
"win1msg",
"win2msg",
"win3msg"
};
msgLumpName = winMsgLumpNames[sequence];
msgLump = W_CheckNumForName(msgLumpName);
if (msgLump<0) {
strcpy(ClusterMessage,"CONGRADULATIONS!");
return ClusterMessage;
}
msgSize = W_LumpLength(msgLump);
if(msgSize >= MAX_INTRMSN_MESSAGE_SIZE)
{
I_Error("Finale message too long (%s)", msgLumpName);
}
W_ReadLump(msgLump, ClusterMessage);
ClusterMessage[msgSize] = 0; // Append terminator
return ClusterMessage;
}
//
// W_CacheLumpNum
//
// Load a lump into memory and return a pointer to a buffer containing
// the lump data.
//
// 'tag' is the type of zone memory buffer to allocate for the lump
// (usually PU_STATIC or PU_CACHE). If the lump is loaded as
// PU_STATIC, it should be released back using W_ReleaseLumpNum
// when no longer needed (do not use Z_ChangeTag).
//
void *W_CacheLumpNum(lumpindex_t lumpnum, int tag)
{
byte *result;
lumpinfo_t *lump;
if (lumpnum >= numlumps)
I_Error("W_CacheLumpNum: %i >= numlumps", lumpnum);
lump = lumpinfo[lumpnum];
// Get the pointer to return. If the lump is in a memory-mapped
// file, we can just return a pointer to within the memory-mapped
// region. If the lump is in an ordinary file, we may already
// have it cached; otherwise, load it into memory.
if (lump->wad_file->mapped)
{
// Memory mapped file, return from the mmapped region.
result = lump->wad_file->mapped + lump->position;
}
else if (lump->cache)
{
// Already cached, so just switch the zone tag.
result = (byte *)lump->cache;
Z_ChangeTag(lump->cache, tag);
}
else
{
// Not yet loaded, so load it now
lump->cache = Z_Malloc(W_LumpLength(lumpnum), tag, &lump->cache);
W_ReadLump(lumpnum, lump->cache);
result = (byte *)lump->cache;
}
return result;
}
//
// W_CacheLumpNum
//
void*
W_CacheLumpNum
( int lump,
int tag )
{
byte* ptr;
if ((unsigned)lump >= numlumps)
I_Error ("W_CacheLumpNum: %i >= numlumps",lump);
if (!lumpcache[lump])
{
// read the lump in
//printf ("cache miss on lump %i\n",lump);
ptr = Z_Malloc (W_LumpLength (lump), tag, &lumpcache[lump]);
W_ReadLump (lump, lumpcache[lump]);
}
else
{
//printf ("cache hit on lump %i\n",lump);
Z_ChangeTag (lumpcache[lump],tag);
}
return lumpcache[lump];
}
//
// TextureManger::cachePatch
//
void TextureManager::cachePatch(texhandle_t handle)
{
unsigned int lumpnum = handle & ~(PATCH_HANDLE_MASK | SPRITE_HANDLE_MASK);
unsigned int lumplen = W_LumpLength(lumpnum);
byte* lumpdata = new byte[lumplen];
W_ReadLump(lumpnum, lumpdata);
int width = LESHORT(*(short*)(lumpdata + 0));
int height = LESHORT(*(short*)(lumpdata + 2));
int offsetx = LESHORT(*(short*)(lumpdata + 4));
int offsety = LESHORT(*(short*)(lumpdata + 6));
Texture* texture = createTexture(handle, width, height);
texture->mOffsetX = offsetx;
texture->mOffsetY = offsety;
if (clientside)
{
// TODO: remove this once proper masking is in place
memset(texture->mData, 0, width * height);
// initialize the mask to entirely transparent
memset(texture->mMask, 0, width * height);
R_DrawPatchIntoTexture(texture, lumpdata, 0, 0);
texture->mHasMask = (memchr(texture->mMask, 0, width * height) != NULL);
}
delete [] lumpdata;
}
void P_LoadBlockMap(int lump)
{
int i, count;
int lumplen;
lumplen = W_LumpLength(lump);
blockmaplump = Z_Malloc(lumplen, PU_LEVEL, NULL);
W_ReadLump(lump, blockmaplump);
blockmap = blockmaplump + 4;
// Swap all short integers to native byte ordering:
count = lumplen / 2;
for (i = 0; i < count; i++)
blockmaplump[i] = SHORT(blockmaplump[i]);
bmaporgx = blockmaplump[0] << FRACBITS;
bmaporgy = blockmaplump[1] << FRACBITS;
bmapwidth = blockmaplump[2];
bmapheight = blockmaplump[3];
// clear out mobj chains
count = sizeof(*blocklinks) * bmapwidth * bmapheight;
blocklinks = Z_Malloc(count, PU_LEVEL, 0);
memset(blocklinks, 0, count);
}
void P_LoadSideDefs(int lump)
{
byte *data;
int i;
mapsidedef_t *msd;
side_t *sd;
for(i = 0; i < numtextures; i++)
textures[i].usecount = 0;
numsides = W_LumpLength(lump) / sizeof(mapsidedef_t);
sides = Z_Malloc(numsides * sizeof(side_t), PU_LEVEL, 0);
D_memset(sides, 0, numsides * sizeof(side_t));
data = I_TempBuffer();
W_ReadLump(lump, data);
msd = (mapsidedef_t *)data;
sd = sides;
for(i = 0; i < numsides; i++, msd++, sd++)
{
sd->textureoffset = LITTLESHORT(msd->textureoffset) << FRACBITS;
sd->rowoffset = LITTLESHORT(msd->rowoffset) << FRACBITS;
sd->toptexture = R_TextureNumForName(msd->toptexture);
sd->bottomtexture = R_TextureNumForName(msd->bottomtexture);
sd->midtexture = R_TextureNumForName(msd->midtexture);
sd->sector = §ors[LITTLESHORT(msd->sector)];
textures[sd->toptexture].usecount++;
textures[sd->bottomtexture].usecount++;
textures[sd->midtexture].usecount++;
}
}
void P_LoadNodes(int lump)
{
byte *data;
int i, j, k;
mapnode_t *mn;
node_t *no;
numnodes = W_LumpLength(lump) / sizeof(mapnode_t);
nodes = Z_Malloc(numnodes * sizeof(node_t), PU_LEVEL, 0);
data = I_TempBuffer();
W_ReadLump(lump, data);
mn = (mapnode_t *)data;
no = nodes;
for(i = 0; i < numnodes; i++, no++, mn++)
{
no->x = LITTLESHORT(mn->x ) << FRACBITS;
no->y = LITTLESHORT(mn->y ) << FRACBITS;
no->dx = LITTLESHORT(mn->dx) << FRACBITS;
no->dy = LITTLESHORT(mn->dy) << FRACBITS;
for(j = 0; j < 2; j++)
{
no->children[j] = (unsigned short)LITTLESHORT(mn->children[j]);
for(k = 0; k < 4; k++)
no->bbox[j][k] = LITTLESHORT(mn->bbox[j][k]) << FRACBITS;
}
}
}
void P_LoadSectors(int lump)
{
byte *data;
int i;
mapsector_t *ms;
sector_t *ss;
numsectors = W_LumpLength(lump) / sizeof(mapsector_t);
sectors = Z_Malloc(numsectors * sizeof(sector_t), PU_LEVEL, 0);
D_memset(sectors, 0, numsectors * sizeof(sector_t));
data = I_TempBuffer();
W_ReadLump(lump, data);
ms = (mapsector_t *)data;
ss = sectors;
for(i = 0; i < numsectors; i++, ss++, ms++)
{
ss->floorheight = LITTLESHORT(ms->floorheight) << FRACBITS;
ss->ceilingheight = LITTLESHORT(ms->ceilingheight) << FRACBITS;
ss->floorpic = R_FlatNumForName(ms->floorpic);
if(!D_strncasecmp(ms->ceilingpic,"F_SKY1", 6))
ss->ceilingpic = -1;
else
{
ss->ceilingpic = R_FlatNumForName(ms->ceilingpic);
}
ss->lightlevel = LITTLESHORT(ms->lightlevel);
ss->special = LITTLESHORT(ms->special);
ss->tag = LITTLESHORT(ms->tag);
ss->thinglist = NULL;
}
}
const void *W_CacheLumpNum(int lump)
{
const int locks = 1;
#ifdef RANGECHECK
if ((unsigned)lump >= (unsigned)numlumps)
I_Error ("W_CacheLumpNum: %i >= numlumps",lump);
#endif
if (!cachelump[lump].cache) // read the lump in
W_ReadLump(lump, Z_Malloc(W_LumpLength(lump), PU_CACHE, &cachelump[lump].cache));
/* cph - if wasn't locked but now is, tell z_zone to hold it */
if (!cachelump[lump].locks && locks) {
Z_ChangeTag(cachelump[lump].cache,PU_STATIC);
#ifdef TIMEDIAG
cachelump[lump].locktic = gametic;
#endif
}
cachelump[lump].locks += locks;
#ifdef SIMPLECHECKS
if (!((cachelump[lump].locks+1) & 0xf))
lprintf(LO_DEBUG, "W_CacheLumpNum: High lock on %8s (%d)\n",
lumpinfo[lump].name, cachelump[lump].locks);
#endif
return cachelump[lump].cache;
}
//
// TextureManager::readPNamesDirectory
//
void TextureManager::readPNamesDirectory()
{
int lumpnum = W_GetNumForName("PNAMES");
size_t lumplen = W_LumpLength(lumpnum);
byte* lumpdata = new byte[lumplen];
W_ReadLump(lumpnum, lumpdata);
int num_pname_mappings = LELONG(*((int*)(lumpdata + 0)));
mPNameLookup = new int[num_pname_mappings];
for (int i = 0; i < num_pname_mappings; i++)
{
const char* lumpname = (const char*)(lumpdata + 4 + 8 * i);
mPNameLookup[i] = W_CheckNumForName(lumpname);
// killough 4/17/98:
// Some wads use sprites as wall patches, so repeat check and
// look for sprites this time, but only if there were no wall
// patches found. This is the same as allowing for both, except
// that wall patches always win over sprites, even when they
// appear first in a wad. This is a kludgy solution to the wad
// lump namespace problem.
if (mPNameLookup[i] == -1)
mPNameLookup[i] = W_CheckNumForName(lumpname, ns_sprites);
}
delete [] lumpdata;
}
//
// R_InitColormaps
//
void R_InitColormaps (int lump)
{
int length;
if (lump == 0)
{
lump = W_GetNumForName("COLORMAP");
firstcollump = W_CheckNumForName ("C_START");
lastcollump = W_CheckNumForName ("C_END");
}
if ((lump != prevcollump) || (colourmap_size == 0))
{
prevcollump = lump;
length = W_LumpLength (lump) + 255;
if (length > colourmap_size)
{
colourmap_size = length + 0x200;
if (colourmaps_a)
Z_Free (colourmaps_a);
// Load in the light tables,
colourmaps_a = Z_Malloc (colourmap_size, PU_STATIC, 0);
// 256 byte align tables.
colormaps = (byte *)( ((uintptr_t)colourmaps_a + 255)&~0xff);
}
W_ReadLump (lump,colormaps);
}
}
//
// TextureManager::readAnimatedLump
//
// Reads animation definitions from the ANIMATED lump.
//
// Load the table of animation definitions, checking for existence of
// the start and end of each frame. If the start doesn't exist the sequence
// is skipped, if the last doesn't exist, BOOM exits.
//
// Wall/Flat animation sequences, defined by name of first and last frame,
// The full animation sequence is given using all lumps between the start
// and end entry, in the order found in the WAD file.
//
// This routine modified to read its data from a predefined lump or
// PWAD lump called ANIMATED rather than a static table in this module to
// allow wad designers to insert or modify animation sequences.
//
// Lump format is an array of byte packed animdef_t structures, terminated
// by a structure with istexture == -1. The lump can be generated from a
// text source file using SWANTBLS.EXE, distributed with the BOOM utils.
// The standard list of switches and animations is contained in the example
// source text file DEFSWANI.DAT also in the BOOM util distribution.
//
// [RH] Rewritten to support BOOM ANIMATED lump but also make absolutely
// no assumptions about how the compiler packs the animdefs array.
//
void TextureManager::readAnimatedLump()
{
int lumpnum = W_CheckNumForName("ANIMATED");
if (lumpnum == -1)
return;
size_t lumplen = W_LumpLength(lumpnum);
if (lumplen == 0)
return;
byte* lumpdata = new byte[lumplen];
W_ReadLump(lumpnum, lumpdata);
for (byte* ptr = lumpdata; *ptr != 255; ptr += 23)
{
anim_t anim;
Texture::TextureSourceType texture_type = *(ptr + 0) == 1 ?
Texture::TEX_WALLTEXTURE : Texture::TEX_FLAT;
const char* startname = (const char*)(ptr + 10);
const char* endname = (const char*)(ptr + 1);
texhandle_t start_texhandle =
texturemanager.getHandle(startname, texture_type);
texhandle_t end_texhandle =
texturemanager.getHandle(endname, texture_type);
if (start_texhandle == TextureManager::NOT_FOUND_TEXTURE_HANDLE ||
start_texhandle == TextureManager::NO_TEXTURE_HANDLE ||
end_texhandle == TextureManager::NOT_FOUND_TEXTURE_HANDLE ||
end_texhandle == TextureManager::NO_TEXTURE_HANDLE)
continue;
anim.basepic = start_texhandle;
anim.numframes = end_texhandle - start_texhandle + 1;
if (anim.numframes <= 0)
continue;
anim.curframe = 0;
int speed = LELONG(*(int*)(ptr + 19));
anim.countdown = speed - 1;
for (int i = 0; i < anim.numframes; i++)
{
anim.framepic[i] = anim.basepic + i;
anim.speedmin[i] = anim.speedmax[i] = speed;
}
mAnimDefs.push_back(anim);
}
delete [] lumpdata;
}
byte *ST_LoadScreen(void)
{
int length, lump;
byte *buffer;
lump = W_GetNumForName("STARTUP");
length = W_LumpLength(lump);
buffer = (byte *) Z_Malloc(length, PU_STATIC, NULL);
W_ReadLump(lump, buffer);
return (buffer);
}
int W_MergeDump (const char *file)
{
FILE *fp = NULL;
char *lump_p = NULL;
uint32_t i, dir_p;
// WAD directory structure
typedef struct {
uint32_t pos;
uint32_t size;
char name[8];
} directory_t;
directory_t *dir = NULL;
// open file for writing
if (!(fp = fopen(file, "wb")))
I_Error("Failed writing to file %s!", file);
// prepare directory
if (!(dir = malloc(numlumps * sizeof(*dir))))
I_Error("Failed allocating memory!");
memset(dir, 0, numlumps * sizeof(*dir));
// write lumps to file, starting at offset 12
fseek(fp, 12, SEEK_SET);
for (i = 0; i < numlumps; i++)
{
dir[i].pos = ftell(fp);
dir[i].size = lumpinfo[i]->size;
memcpy(dir[i].name, lumpinfo[i]->name, 8);
// avoid flooding Doom's Zone Memory
lump_p = realloc(lump_p, lumpinfo[i]->size);
W_ReadLump(i, lump_p);
fwrite(lump_p, 1, lumpinfo[i]->size, fp);
}
free(lump_p);
// write directory
dir_p = ftell(fp);
fwrite(dir, sizeof(*dir), numlumps, fp);
free(dir);
// write WAD header
fseek(fp, 0, SEEK_SET);
fwrite("IWAD", 1, 4, fp);
fwrite(&i, 4, 1, fp);
fwrite(&dir_p, 4, 1, fp);
fclose(fp);
return (i);
}
//
// R_InitColormaps
//
void R_InitColormaps (void)
{
int lump, length;
// Load in the light tables,
// 256 byte align tables.
lump = W_GetNumForName("COLORMAP");
length = W_LumpLength (lump) + 255;
colormaps = Z_Malloc (length, PU_STATIC, 0);
colormaps = (byte *)( ((int)colormaps + 255)&~0xff);
W_ReadLump (lump,colormaps);
}
//
// W_CachePatch
//
// [SL] Reads and caches a patch from disk. This takes care of converting the
// patch from the standard Doom format of posts with 1-byte lengths and offsets
// to a new format for posts that uses 2-byte lengths and offsets.
//
patch_t* W_CachePatch(unsigned lumpnum, int tag)
{
if (lumpnum >= numlumps)
I_Error ("W_CachePatch: %u >= numlumps", lumpnum);
if (!lumpcache[lumpnum])
{
// temporary storage of the raw patch in the old format
byte *rawlumpdata = new byte[W_LumpLength(lumpnum)];
W_ReadLump(lumpnum, rawlumpdata);
patch_t *rawpatch = (patch_t*)(rawlumpdata);
size_t newlumplen = R_CalculateNewPatchSize(rawpatch, W_LumpLength(lumpnum));
if (newlumplen > 0)
{
// valid patch
byte *ptr = (byte *)Z_Malloc(newlumplen + 1, tag, &lumpcache[lumpnum]);
patch_t *newpatch = (patch_t*)lumpcache[lumpnum];
R_ConvertPatch(newpatch, rawpatch);
ptr[newlumplen] = 0;
}
else
{
// invalid patch - just create a header with width = 0, height = 0
Z_Malloc(sizeof(patch_t) + 1, tag, &lumpcache[lumpnum]);
memset(lumpcache[lumpnum], 0, sizeof(patch_t) + 1);
}
delete [] rawlumpdata;
}
else
{
Z_ChangeTag(lumpcache[lumpnum], tag);
}
// denis - todo - would be good to check whether the patch violates W_LumpLength here
// denis - todo - would be good to check for width/height == 0 here, and maybe replace those with a valid patch
return (patch_t*)lumpcache[lumpnum];
}
//
// TextureManager::cacheFlat
//
// Loads a flat with the specified handle from the WAD file and composes
// a Texture object.
//
void TextureManager::cacheFlat(texhandle_t handle)
{
// should we check that the handle is valid for a flat?
unsigned int lumpnum = (handle & ~FLAT_HANDLE_MASK) + mFirstFlatLumpNum;
unsigned int lumplen = W_LumpLength(lumpnum);
int width, height;
if (lumplen == 64 * 64)
width = height = 64;
else if (lumplen == 128 * 128)
width = height = 128;
else if (lumplen == 256 * 256)
width = height = 256;
else
width = height = Log2(sqrt(lumplen)); // probably not pretty...
Texture* texture = createTexture(handle, width, height);
if (clientside)
{
byte *lumpdata = new byte[lumplen];
W_ReadLump(lumpnum, lumpdata);
// convert the row-major flat lump to into column-major
byte* dest = texture->mData;
for (int x = 0; x < width; x++)
{
const byte* source = lumpdata + x;
for (int y = 0; y < height; y++)
{
*dest = *source;
source += width;
dest++;
}
}
delete [] lumpdata;
}
}
//
// TextureManager::cacheWallTexture
//
// Composes a wall texture from a set of patches loaded from the WAD file.
//
void TextureManager::cacheWallTexture(texhandle_t handle)
{
// should we check that the handle is valid for a wall texture?
texdef_t* texdef = mTextureDefinitions[handle & ~WALLTEXTURE_HANDLE_MASK];
int width = texdef->width;
int height = texdef->height;
Texture* texture = createTexture(handle, width, height);
if (texdef->scalex)
texture->mScaleX = texdef->scalex << (FRACBITS - 3);
if (texdef->scaley)
texture->mScaleY = texdef->scaley << (FRACBITS - 3);
if (clientside)
{
// TODO: remove this once proper masking is in place
memset(texture->mData, 0, width * height);
// initialize the mask to entirely transparent
memset(texture->mMask, 0, width * height);
// compose the texture out of a set of patches
for (int i = 0; i < texdef->patchcount; i++)
{
texdefpatch_t* texdefpatch = &texdef->patches[i];
if (texdefpatch->patch == -1) // not found ?
continue;
unsigned int lumplen = W_LumpLength(texdefpatch->patch);
byte* lumpdata = new byte[lumplen];
W_ReadLump(texdefpatch->patch, lumpdata);
R_DrawPatchIntoTexture(texture, lumpdata, texdefpatch->originx, texdefpatch->originy);
delete [] lumpdata;
}
texture->mHasMask = (memchr(texture->mMask, 0, width * height) != NULL);
}
}
void P_LoadVertexes(int lump)
{
byte *data;
int i;
mapvertex_t *ml;
vertex_t *li;
numvertexes = W_LumpLength(lump) / sizeof(mapvertex_t);
vertexes = Z_Malloc(numvertexes * sizeof(vertex_t), PU_LEVEL, 0);
data = I_TempBuffer();
W_ReadLump(lump, data);
ml = (mapvertex_t *)data;
li = vertexes;
for(i = 0; i < numvertexes; i++, li++, ml++)
{
li->x = LITTLESHORT(ml->x) << FRACBITS;
li->y = LITTLESHORT(ml->y) << FRACBITS;
}
}
//
// W_CacheLumpNum
//
void*
W_CacheLumpNum
( int lump,
int tag )
{
#ifdef RANGECHECK
if (lump >= numlumps)
I_Error ("W_CacheLumpNum: %i >= numlumps",lump);
#endif
if (!lumpcache[lump])
{
byte* ptr;
// read the lump in
//I_Printf ("cache miss on lump %i\n",lump);
ptr = (byte*)DoomLib::Z_Malloc(W_LumpLength (lump), tag, &lumpcache[lump]);
W_ReadLump (lump, lumpcache[lump]);
}
return lumpcache[lump];
}
void P_LoadSubsectors(int lump)
{
byte *data;
int i;
mapsubsector_t *ms;
subsector_t *ss;
numsubsectors = W_LumpLength(lump) / sizeof(mapsubsector_t);
subsectors = Z_Malloc(numsubsectors * sizeof(subsector_t), PU_LEVEL, 0);
data = I_TempBuffer();
W_ReadLump(lump, data);
ms = (mapsubsector_t *)data;
D_memset (subsectors,0, numsubsectors * sizeof(subsector_t));
ss = subsectors;
for(i = 0; i < numsubsectors; i++, ss++, ms++)
{
ss->numlines = LITTLESHORT(ms->numsegs);
ss->firstline = LITTLESHORT(ms->firstseg);
}
}
#endif //rww end
void R_InitColormaps (void)
{
int lump, length;
//
// load in the light tables
// 256 byte align tables
//
lump = W_GetNumForName("COLORMAP");
length = W_LumpLength (lump) + 255;
#if 0//def _HEXENDS //rww begin - put colormaps at the end of dtcm
if ((((int)&__dtcm_end)+4+0x1200+length) > 0x8040000) {
I_Error("DTCM region would overflow from colormap allocation!\n");
}
colormaps = (byte *)((&__dtcm_end)+4);
colormaps = (byte *)( ((int)colormaps + 255)&~0xff);
#else //rww end
colormaps = Z_Malloc (length, PU_STATIC, 0);
colormaps = (byte *)( ((int)colormaps + 255)&~0xff);
#endif
W_ReadLump (lump,colormaps);
void P_LoadSegs(int lump)
{
byte *data;
int i;
mapseg_t *ml;
seg_t *li;
line_t *ldef;
int linedef, side;
numsegs = W_LumpLength(lump) / sizeof(mapseg_t);
segs = Z_Malloc(numsegs * sizeof(seg_t), PU_LEVEL, 0);
D_memset(segs, 0, numsegs * sizeof(seg_t));
data = I_TempBuffer();
W_ReadLump(lump, data);
ml = (mapseg_t *)data;
li = segs;
for(i = 0; i < numsegs; i++, li++, ml++)
{
li->v1 = &vertexes[LITTLESHORT(ml->v1)];
li->v2 = &vertexes[LITTLESHORT(ml->v2)];
li->angle = (LITTLESHORT(ml->angle)) << 16;
li->offset = (LITTLESHORT(ml->offset)) << 16;
linedef = LITTLESHORT(ml->linedef);
ldef = &lines[linedef];
li->linedef = ldef;
side = LITTLESHORT(ml->side);
li->sidedef = &sides[ldef->sidenum[side]];
li->frontsector = sides[ldef->sidenum[side]].sector;
if(ldef-> flags & ML_TWOSIDED)
li->backsector = sides[ldef->sidenum[side ^ 1]].sector;
else
li->backsector = 0;
if(ldef->v1 == li->v1)
ldef->fineangle = li->angle >> ANGLETOFINESHIFT;
}
}
void P_LoadThings(int lump)
{
byte *data;
int i;
mapthing_t *mt;
int numthings;
data = I_TempBuffer();
W_ReadLump(lump, data);
numthings = W_LumpLength(lump) / sizeof(mapthing_t);
mt = (mapthing_t *)data;
for(i = 0; i < numthings; i++, mt++)
{
mt->x = LITTLESHORT(mt->x);
mt->y = LITTLESHORT(mt->y);
mt->angle = LITTLESHORT(mt->angle);
mt->type = LITTLESHORT(mt->type);
mt->options = LITTLESHORT(mt->options);
P_SpawnMapThing(mt);
}
}
static char *ReadDMXConfig(void)
{
int lumpnum;
unsigned int len;
char *data;
// TODO: This should be chosen based on gamemode == commercial:
lumpnum = W_CheckNumForName("DMXGUS");
if (lumpnum < 0)
{
lumpnum = W_GetNumForName("DMXGUSC");
}
len = W_LumpLength(lumpnum);
data = Z_Malloc(len + 1, PU_STATIC, NULL);
W_ReadLump(lumpnum, data);
data[len] = '\0';
return data;
}
void P_SetupLevel(int episode, int map, int playermask, skill_t skill)
{
int i;
int parm;
char lumpname[9];
int lumpnum;
mobj_t *mobj;
for (i = 0; i < MAXPLAYERS; i++)
{
players[i].killcount = players[i].secretcount
= players[i].itemcount = 0;
}
players[consoleplayer].viewz = 1; // will be set by player think
// Waiting-for-level-load song; not played if playing music from CD
// (the seek time will be so long it will just make loading take
// longer)
if (!cdmusic)
{
S_StartSongName("chess", true);
}
Z_FreeTags(PU_LEVEL, PU_PURGELEVEL - 1);
P_InitThinkers();
leveltime = 0;
sprintf(lumpname, "MAP%02d", map);
lumpnum = W_GetNumForName(lumpname);
//
// Begin processing map lumps
// Note: most of this ordering is important
//
P_LoadBlockMap(lumpnum + ML_BLOCKMAP);
P_LoadVertexes(lumpnum + ML_VERTEXES);
P_LoadSectors(lumpnum + ML_SECTORS);
P_LoadSideDefs(lumpnum + ML_SIDEDEFS);
P_LoadLineDefs(lumpnum + ML_LINEDEFS);
P_LoadSubsectors(lumpnum + ML_SSECTORS);
P_LoadNodes(lumpnum + ML_NODES);
P_LoadSegs(lumpnum + ML_SEGS);
rejectmatrix = W_CacheLumpNum(lumpnum + ML_REJECT, PU_LEVEL);
P_GroupLines();
bodyqueslot = 0;
po_NumPolyobjs = 0;
deathmatch_p = deathmatchstarts;
P_LoadThings(lumpnum + ML_THINGS);
PO_Init(lumpnum + ML_THINGS); // Initialize the polyobjs
P_LoadACScripts(lumpnum + ML_BEHAVIOR); // ACS object code
//
// End of map lump processing
//
// If deathmatch, randomly spawn the active players
TimerGame = 0;
if (deathmatch)
{
for (i = 0; i < MAXPLAYERS; i++)
{
if (playeringame[i])
{ // must give a player spot before deathmatchspawn
mobj = P_SpawnMobj(playerstarts[0][i].x << 16,
playerstarts[0][i].y << 16, 0,
MT_PLAYER_FIGHTER);
players[i].mo = mobj;
G_DeathMatchSpawnPlayer(i);
P_RemoveMobj(mobj);
}
}
//!
// @arg <n>
// @category net
// @vanilla
//
// For multiplayer games: exit each level after n minutes.
//
parm = M_CheckParmWithArgs("-timer", 1);
if (parm)
{
TimerGame = atoi(myargv[parm + 1]) * 35 * 60;
}
}
// set up world state
P_SpawnSpecials();
// build subsector connect matrix
// P_ConnectSubsectors ();
// Load colormap and set the fullbright flag
i = P_GetMapFadeTable(gamemap);
W_ReadLump(i, colormaps);
if (i == W_GetNumForName("COLORMAP"))
{
LevelUseFullBright = true;
}
else
{ // Probably fog ... don't use fullbright sprites
LevelUseFullBright = false;
}
// preload graphics
if (precache)
R_PrecacheLevel();
// Check if the level is a lightning level
P_InitLightning();
S_StopAllSound();
SN_StopAllSequences();
S_StartSong(gamemap, true);
//printf ("free memory: 0x%x\n", Z_FreeMemory());
}
static void InitStats(void)
{
int i;
int j;
int oldCluster;
signed int slaughterfrags;
int posnum;
int slaughtercount;
int playercount;
char *msgLumpName;
int msgSize;
int msgLump;
extern int LeaveMap;
if (!deathmatch)
{
gametype = SINGLE;
HubCount = 0;
oldCluster = P_GetMapCluster(gamemap);
if (oldCluster != P_GetMapCluster(LeaveMap))
{
if (oldCluster >= 1 && oldCluster <= 5)
{
msgLumpName = ClusMsgLumpNames[oldCluster - 1];
msgLump = W_GetNumForName(msgLumpName);
msgSize = W_LumpLength(msgLump);
if (msgSize >= MAX_INTRMSN_MESSAGE_SIZE)
{
I_Error("Cluster message too long (%s)", msgLumpName);
}
W_ReadLump(msgLump, ClusterMessage);
ClusterMessage[msgSize] = 0; // Append terminator
HubText = ClusterMessage;
HubCount = strlen(HubText) * TEXTSPEED + TEXTWAIT;
S_StartSongName("hub", true);
}
}
}
else
{
gametype = DEATHMATCH;
slaughterboy = 0;
slaughterfrags = -9999;
posnum = 0;
playercount = 0;
slaughtercount = 0;
for (i = 0; i < MAXPLAYERS; i++)
{
totalFrags[i] = 0;
if (playeringame[i])
{
playercount++;
for (j = 0; j < MAXPLAYERS; j++)
{
if (playeringame[j])
{
totalFrags[i] += players[i].frags[j];
}
}
posnum++;
}
if (totalFrags[i] > slaughterfrags)
{
slaughterboy = 1 << i;
slaughterfrags = totalFrags[i];
slaughtercount = 1;
}
else if (totalFrags[i] == slaughterfrags)
{
slaughterboy |= 1 << i;
slaughtercount++;
}
}
if (playercount == slaughtercount)
{ // don't do the slaughter stuff if everyone is equal
slaughterboy = 0;
}
S_StartSongName("hub", true);
}
}
