C++ LittleFloat函数代码示例

/*
=================
Mod_LoadSpriteModel
=================
*/
void Mod_LoadSpriteModel(model_t *mod, void *buffer, const char *loadname)
{
   int i;
   msprite_t *psprite;
   int numframes;
   int size;
   dspriteframetype_t *pframetype;
   dsprite_t *pin = (dsprite_t *)buffer;

#ifdef MSB_FIRST
   int version = LittleLong(pin->version);
#else
   int version = (pin->version);
#endif
   if (version != SPRITE_VERSION)
      Sys_Error("%s: %s has wrong version number (%i should be %i)",
            __func__, mod->name, version, SPRITE_VERSION);

#ifdef MSB_FIRST
   numframes = LittleLong(pin->numframes);
#else
   numframes = (pin->numframes);
#endif
   size = sizeof(*psprite) + numframes * sizeof(psprite->frames[0]);
   psprite = (msprite_t*)Hunk_AllocName(size, loadname);
   mod->cache.data = psprite;

#ifdef MSB_FIRST
   psprite->type = LittleLong(pin->type);
   psprite->maxwidth = LittleLong(pin->width);
   psprite->maxheight = LittleLong(pin->height);
   psprite->beamlength = LittleFloat(pin->beamlength);
   mod->synctype = (synctype_t)LittleLong(pin->synctype);
#else
   psprite->type = (pin->type);
   psprite->maxwidth = (pin->width);
   psprite->maxheight = (pin->height);
   psprite->beamlength = (pin->beamlength);
   mod->synctype = (synctype_t)(pin->synctype);
#endif
   psprite->numframes = numframes;

   mod->mins[0] = mod->mins[1] = -psprite->maxwidth / 2;
   mod->maxs[0] = mod->maxs[1] = psprite->maxwidth / 2;
   mod->mins[2] = -psprite->maxheight / 2;
   mod->maxs[2] = psprite->maxheight / 2;

   //
   // load the frames
   //
   if (numframes < 1)
      Sys_Error("%s: Invalid # of frames: %d", __func__, numframes);

   mod->numframes = numframes;
   mod->flags = 0;

   pframetype = (dspriteframetype_t *)(pin + 1);

   for (i = 0; i < numframes; i++) {
      spriteframetype_t frametype;

#ifdef MSB_FIRST
      frametype = (spriteframetype_t)LittleLong(pframetype->type);
#else
      frametype = (spriteframetype_t)(pframetype->type);
#endif
      psprite->frames[i].type = frametype;

      if (frametype == SPR_SINGLE) {
         pframetype = (dspriteframetype_t *)
            Mod_LoadSpriteFrame(pframetype + 1,
                  &psprite->frames[i].frameptr, loadname, i);
      } else {
         pframetype = (dspriteframetype_t *)
            Mod_LoadSpriteGroup(pframetype + 1,
                  &psprite->frames[i].frameptr, loadname, i);
      }
   }

   mod->type = mod_sprite;
}

/*
=================
Mod_LoadAliasModel
=================
*/
void Mod_LoadAliasModel (model_t *mod, void *buffer)
{
	int					i, j;
	dmdl_t				*pinmodel, *pheader;
	dstvert_t			*pinst, *poutst;
	dtriangle_t			*pintri, *pouttri;
	daliasframe_t		*pinframe, *poutframe;
	int					*pincmd, *poutcmd;
	int					version;

	pinmodel = (dmdl_t *)buffer;

	version = LittleLong (pinmodel->version);
	if (version != ALIAS_VERSION)
		ri.Sys_Error (ERR_DROP, "%s has wrong version number (%i should be %i)",
				 mod->name, version, ALIAS_VERSION);

	pheader = Hunk_Alloc (LittleLong(pinmodel->ofs_end));
	
	// byte swap the header fields and sanity check
	for (i=0 ; i<sizeof(dmdl_t)/4 ; i++)
		((int *)pheader)[i] = LittleLong (((int *)buffer)[i]);

	if (pheader->skinheight > MAX_LBM_HEIGHT)
		ri.Sys_Error (ERR_DROP, "model %s has a skin taller than %d", mod->name,
				   MAX_LBM_HEIGHT);

	if (pheader->num_xyz <= 0)
		ri.Sys_Error (ERR_DROP, "model %s has no vertices", mod->name);

	if (pheader->num_xyz > MAX_VERTS)
		ri.Sys_Error (ERR_DROP, "model %s has too many vertices", mod->name);

	if (pheader->num_st <= 0)
		ri.Sys_Error (ERR_DROP, "model %s has no st vertices", mod->name);

	if (pheader->num_tris <= 0)
		ri.Sys_Error (ERR_DROP, "model %s has no triangles", mod->name);

	if (pheader->num_frames <= 0)
		ri.Sys_Error (ERR_DROP, "model %s has no frames", mod->name);

//
// load base s and t vertices (not used in gl version)
//
	pinst = (dstvert_t *) ((byte *)pinmodel + pheader->ofs_st);
	poutst = (dstvert_t *) ((byte *)pheader + pheader->ofs_st);

	for (i=0 ; i<pheader->num_st ; i++)
	{
		poutst[i].s = LittleShort (pinst[i].s);
		poutst[i].t = LittleShort (pinst[i].t);
	}

//
// load triangle lists
//
	pintri = (dtriangle_t *) ((byte *)pinmodel + pheader->ofs_tris);
	pouttri = (dtriangle_t *) ((byte *)pheader + pheader->ofs_tris);

	for (i=0 ; i<pheader->num_tris ; i++)
	{
		for (j=0 ; j<3 ; j++)
		{
			pouttri[i].index_xyz[j] = LittleShort (pintri[i].index_xyz[j]);
			pouttri[i].index_st[j] = LittleShort (pintri[i].index_st[j]);
		}
	}

//
// load the frames
//
	for (i=0 ; i<pheader->num_frames ; i++)
	{
		pinframe = (daliasframe_t *) ((byte *)pinmodel 
			+ pheader->ofs_frames + i * pheader->framesize);
		poutframe = (daliasframe_t *) ((byte *)pheader 
			+ pheader->ofs_frames + i * pheader->framesize);

		memcpy (poutframe->name, pinframe->name, sizeof(poutframe->name));
		for (j=0 ; j<3 ; j++)
		{
			poutframe->scale[j] = LittleFloat (pinframe->scale[j]);
			poutframe->translate[j] = LittleFloat (pinframe->translate[j]);
		}
		// verts are all 8 bit, so no swapping needed
		memcpy (poutframe->verts, pinframe->verts, 
			pheader->num_xyz*sizeof(dtrivertx_t));

	}

	mod->type = mod_alias;

	//
	// load the glcmds
//.........这里部分代码省略.........

/*
=================
Mod_LoadSpriteModel
=================
*/
void Mod_LoadSpriteModel (model_t *mod, void *buffer)
{
	int					i;
	int					version;
	dsprite_t			*pin;
	msprite_t			*psprite;
	int					numframes;
	int					size;
	dspriteframetype_t	*pframetype;
	
	pin = (dsprite_t *)buffer;

	version = LittleLong (pin->version);
	if (version != SPRITE_VERSION)
		Sys_Error ("%s has wrong version number "
				 "(%i should be %i)", mod->name, version, SPRITE_VERSION);

	numframes = LittleLong (pin->numframes);

	size = sizeof (msprite_t) +	(numframes - 1) * sizeof (psprite->frames);

	psprite = Hunk_AllocName (size, loadname);

	mod->cache.data = psprite;

	psprite->type = LittleLong (pin->type);
	psprite->maxwidth = LittleLong (pin->width);
	psprite->maxheight = LittleLong (pin->height);
	psprite->beamlength = LittleFloat (pin->beamlength);
	mod->synctype = LittleLong (pin->synctype);
	psprite->numframes = numframes;

	mod->mins[0] = mod->mins[1] = -psprite->maxwidth/2;
	mod->maxs[0] = mod->maxs[1] = psprite->maxwidth/2;
	mod->mins[2] = -psprite->maxheight/2;
	mod->maxs[2] = psprite->maxheight/2;
	
//
// load the frames
//
	if (numframes < 1)
		Sys_Error ("Mod_LoadSpriteModel: Invalid # of frames: %d\n", numframes);

	mod->numframes = numframes;

	pframetype = (dspriteframetype_t *)(pin + 1);

	for (i=0 ; i<numframes ; i++)
	{
		spriteframetype_t	frametype;

		frametype = LittleLong (pframetype->type);
		psprite->frames[i].type = frametype;

		if (frametype == SPR_SINGLE)
		{
			pframetype = (dspriteframetype_t *)
					Mod_LoadSpriteFrame (pframetype + 1,
										 &psprite->frames[i].frameptr, i);
		}
		else
		{
			pframetype = (dspriteframetype_t *)
					Mod_LoadSpriteGroup (pframetype + 1,
										 &psprite->frames[i].frameptr, i);
		}
	}

	mod->type = mod_sprite;
}

/*
===============
ParseTriSurf
===============
*/
static void ParseTriSurf( dsurface_t *ds, mapVert_t *verts, msurface_t *surf, int *indexes, world_t &worldData, int index ) {
	srfTriangles_t	*tri;
	int				i, j, k;
	int				numVerts, numIndexes;

	// get fog volume
	surf->fogIndex = LittleLong( ds->fogNum ) + 1;
	if (index && !surf->fogIndex && tr.world && tr.world->globalFog != -1)
	{
		surf->fogIndex = worldData.globalFog;
	}

	// get shader
	surf->shader = ShaderForShaderNum( ds->shaderNum, lightmapsVertex, ds->lightmapStyles, ds->vertexStyles, worldData );
	if ( r_singleShader->integer && !surf->shader->sky ) {
		surf->shader = tr.defaultShader;
	}

	numVerts = LittleLong( ds->numVerts );
	numIndexes = LittleLong( ds->numIndexes );

	if ( numVerts >= SHADER_MAX_VERTEXES ) {
		Com_Error(ERR_DROP, "ParseTriSurf: verts > MAX (%d > %d) on misc_model %s", numVerts, SHADER_MAX_VERTEXES, surf->shader->name );
	}
	if ( numIndexes >= SHADER_MAX_INDEXES ) {
		Com_Error(ERR_DROP, "ParseTriSurf: indices > MAX (%d > %d) on misc_model %s", numIndexes, SHADER_MAX_INDEXES, surf->shader->name );
	}

	tri = (srfTriangles_t *) Z_Malloc( sizeof( *tri ) + numVerts * sizeof( tri->verts[0] ) + numIndexes * sizeof( tri->indexes[0] ), TAG_HUNKMISCMODELS, qfalse );
	tri->dlightBits = 0; //JIC
	tri->surfaceType = SF_TRIANGLES;
	tri->numVerts = numVerts;
	tri->numIndexes = numIndexes;
	tri->verts = (drawVert_t *)(tri + 1);
	tri->indexes = (int *)(tri->verts + tri->numVerts );

	surf->data = (surfaceType_t *)tri;

	// copy vertexes
	verts += LittleLong( ds->firstVert );
	ClearBounds( tri->bounds[0], tri->bounds[1] );
	for ( i = 0 ; i < numVerts ; i++ ) {
		for ( j = 0 ; j < 3 ; j++ ) {
			tri->verts[i].xyz[j] = LittleFloat( verts[i].xyz[j] );
			tri->verts[i].normal[j] = LittleFloat( verts[i].normal[j] );
		}
		AddPointToBounds( tri->verts[i].xyz, tri->bounds[0], tri->bounds[1] );
		for ( j = 0 ; j < 2 ; j++ ) {
			tri->verts[i].st[j] = LittleFloat( verts[i].st[j] );
			for(k=0;k<MAXLIGHTMAPS;k++)
			{
				tri->verts[i].lightmap[k][j] = LittleFloat( verts[i].lightmap[k][j] );
			}
		}
		for(k=0;k<MAXLIGHTMAPS;k++)
		{
			R_ColorShiftLightingBytes( verts[i].color[k], tri->verts[i].color[k] );
		}
	}

	// copy indexes
	indexes += LittleLong( ds->firstIndex );
	for ( i = 0 ; i < numIndexes ; i++ ) {
		tri->indexes[i] = LittleLong( indexes[i] );
		if ( tri->indexes[i] < 0 || tri->indexes[i] >= numVerts ) {
			Com_Error( ERR_DROP, "Bad index in triangle surface" );
		}
	}
}

static qboolean R_LoadMDR( model_t *mod, void *buffer, int filesize, const char *mod_name ) 
{
	int					i, j, k, l;
	mdrHeader_t			*pinmodel, *mdr;
        mdrFrame_t			*frame;
	mdrLOD_t			*lod, *curlod;
	mdrSurface_t			*surf, *cursurf;
	mdrTriangle_t			*tri, *curtri;
	mdrVertex_t			*v, *curv;
	mdrWeight_t			*weight, *curweight;
	mdrTag_t			*tag, *curtag;
	int					size;
	shader_t			*sh;

	pinmodel = (mdrHeader_t *)buffer;

	pinmodel->version = LittleLong(pinmodel->version);
	if (pinmodel->version != MDR_VERSION) 
	{
		ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has wrong version (%i should be %i)\n", mod_name, pinmodel->version, MDR_VERSION);
		return qfalse;
	}

	size = LittleLong(pinmodel->ofsEnd);
	
	if(size > filesize)
	{
		ri.Printf(PRINT_WARNING, "R_LoadMDR: Header of %s is broken. Wrong filesize declared!\n", mod_name);
		return qfalse;
	}
	
	mod->type = MOD_MDR;

	pinmodel->numFrames = LittleLong(pinmodel->numFrames);
	pinmodel->numBones = LittleLong(pinmodel->numBones);
	pinmodel->ofsFrames = LittleLong(pinmodel->ofsFrames);
	
	// This is a model that uses some type of compressed Bones. We don't want to uncompress every bone for each rendered frame
	// over and over again, we'll uncompress it in this function already, so we must adjust the size of the target md4.
	if(pinmodel->ofsFrames < 0)
	{
		// mdrFrame_t is larger than mdrCompFrame_t:
		size += pinmodel->numFrames * sizeof(frame->name);
		// now add enough space for the uncompressed bones.
		size += pinmodel->numFrames * pinmodel->numBones * ((sizeof(mdrBone_t) - sizeof(mdrCompBone_t)));
	}
	
	mod->dataSize += size;
	mod->md4 = mdr = ri.Hunk_Alloc( size, h_low );

	// Copy all the values over from the file and fix endian issues in the process, if necessary.
	
	mdr->ident = LittleLong(pinmodel->ident);
	mdr->version = pinmodel->version;	// Don't need to swap byte order on this one, we already did above.
	Q_strncpyz(mdr->name, pinmodel->name, sizeof(mdr->name));
	mdr->numFrames = pinmodel->numFrames;
	mdr->numBones = pinmodel->numBones;
	mdr->numLODs = LittleLong(pinmodel->numLODs);
	mdr->numTags = LittleLong(pinmodel->numTags);
	// We don't care about offset values, we'll generate them ourselves while loading.
	
	mod->numLods = mdr->numLODs;

	if ( mdr->numFrames < 1 ) 
	{
		ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has no frames\n", mod_name);
		return qfalse;
	}

	/* The first frame will be put into the first free space after the header */
	frame = (mdrFrame_t *)(mdr + 1);
	mdr->ofsFrames = (int)((byte *) frame - (byte *) mdr);
		
	if (pinmodel->ofsFrames < 0)
	{
		mdrCompFrame_t *cframe;
				
		// compressed model...				
		cframe = (mdrCompFrame_t *)((byte *) pinmodel - pinmodel->ofsFrames);

		for(i = 0; i < mdr->numFrames; i++)
		{
			for(j = 0; j < 3; j++)
			{
				frame->bounds[0][j] = LittleFloat(cframe->bounds[0][j]);
				frame->bounds[1][j] = LittleFloat(cframe->bounds[1][j]);
				frame->localOrigin[j] = LittleFloat(cframe->localOrigin[j]);
			}

			frame->radius = LittleFloat(cframe->radius);
			frame->name[0] = '\0';	// No name supplied in the compressed version.
			
			for(j = 0; j < mdr->numBones; j++)
			{
				for(k = 0; k < (sizeof(cframe->bones[j].Comp) / 2); k++)
				{
					// Do swapping for the uncompressing functions. They seem to use shorts
					// values only, so I assume this will work. Never tested it on other
					// platforms, though.
					
//.........这里部分代码省略.........

/*
=============
SwapBSPFile

Byte swaps all data in a bsp file.
=============
*/
void SwapBSPFile( void ) {
	int				i;
	
	// models	
	SwapBlock( (int *)dmodels, nummodels * sizeof( dmodels[0] ) );

	// shaders (don't swap the name)
	for ( i = 0 ; i < numShaders ; i++ ) {
		dshaders[i].contentFlags = LittleLong( dshaders[i].contentFlags );
		dshaders[i].surfaceFlags = LittleLong( dshaders[i].surfaceFlags );
	}

	// planes
	SwapBlock( (int *)dplanes, numplanes * sizeof( dplanes[0] ) );
	
	// nodes
	SwapBlock( (int *)dnodes, numnodes * sizeof( dnodes[0] ) );

	// leafs
	SwapBlock( (int *)dleafs, numleafs * sizeof( dleafs[0] ) );

	// leaffaces
	SwapBlock( (int *)dleafsurfaces, numleafsurfaces * sizeof( dleafsurfaces[0] ) );

	// leafbrushes
	SwapBlock( (int *)dleafbrushes, numleafbrushes * sizeof( dleafbrushes[0] ) );

	// brushes
	SwapBlock( (int *)dbrushes, numbrushes * sizeof( dbrushes[0] ) );

	// brushsides
	SwapBlock( (int *)dbrushsides, numbrushsides * sizeof( dbrushsides[0] ) );

	// vis
	((int *)&visBytes)[0] = LittleLong( ((int *)&visBytes)[0] );
	((int *)&visBytes)[1] = LittleLong( ((int *)&visBytes)[1] );

	// drawverts (don't swap colors )
	for ( i = 0 ; i < numDrawVerts ; i++ ) {
		drawVerts[i].lightmap[0] = LittleFloat( drawVerts[i].lightmap[0] );
		drawVerts[i].lightmap[1] = LittleFloat( drawVerts[i].lightmap[1] );
		drawVerts[i].st[0] = LittleFloat( drawVerts[i].st[0] );
		drawVerts[i].st[1] = LittleFloat( drawVerts[i].st[1] );
		drawVerts[i].xyz[0] = LittleFloat( drawVerts[i].xyz[0] );
		drawVerts[i].xyz[1] = LittleFloat( drawVerts[i].xyz[1] );
		drawVerts[i].xyz[2] = LittleFloat( drawVerts[i].xyz[2] );
		drawVerts[i].normal[0] = LittleFloat( drawVerts[i].normal[0] );
		drawVerts[i].normal[1] = LittleFloat( drawVerts[i].normal[1] );
		drawVerts[i].normal[2] = LittleFloat( drawVerts[i].normal[2] );
	}

	// drawindexes
	SwapBlock( (int *)drawIndexes, numDrawIndexes * sizeof( drawIndexes[0] ) );

	// drawsurfs
	SwapBlock( (int *)drawSurfaces, numDrawSurfaces * sizeof( drawSurfaces[0] ) );

	// fogs
	for ( i = 0 ; i < numFogs ; i++ ) {
		dfogs[i].brushNum = LittleLong( dfogs[i].brushNum );
		dfogs[i].visibleSide = LittleLong( dfogs[i].visibleSide );
	}

	// TODO: swap MoHAA structs
}

/*
===============
ParseFace
===============
*/
static void ParseFace( dsurface_t *ds, mapVert_t *verts, msurface_t *surf, int *indexes, byte *&pFaceDataBuffer, world_t &worldData, int index )
{
	int			i, j, k;
	srfSurfaceFace_t	*cv;
	int			numPoints, numIndexes;
	int			lightmapNum[MAXLIGHTMAPS];
	int			sfaceSize, ofsIndexes;

	for(i=0;i<MAXLIGHTMAPS;i++)
	{
		lightmapNum[i] = LittleLong( ds->lightmapNum[i] );
		if (lightmapNum[i] >= 0)
		{
			lightmapNum[i] += worldData.startLightMapIndex;
		}
	}

	// get fog volume
	surf->fogIndex = LittleLong( ds->fogNum ) + 1;
	if (index && !surf->fogIndex && tr.world && tr.world->globalFog != -1)
	{
		surf->fogIndex = worldData.globalFog;
	}

	// get shader value
	surf->shader = ShaderForShaderNum( ds->shaderNum, lightmapNum, ds->lightmapStyles, ds->vertexStyles, worldData );
	if ( r_singleShader->integer && !surf->shader->sky ) {
		surf->shader = tr.defaultShader;
	}

	numPoints = LittleLong( ds->numVerts );
	numIndexes = LittleLong( ds->numIndexes );

	// create the srfSurfaceFace_t
	sfaceSize = ( intptr_t ) &((srfSurfaceFace_t *)0)->points[numPoints];
	ofsIndexes = sfaceSize;
	sfaceSize += sizeof( int ) * numIndexes;

	cv = (srfSurfaceFace_t *) pFaceDataBuffer;//Hunk_Alloc( sfaceSize );
	pFaceDataBuffer += sfaceSize;	// :-)

	cv->surfaceType = SF_FACE;
	cv->numPoints = numPoints;
	cv->numIndices = numIndexes;
	cv->ofsIndices = ofsIndexes;

	verts += LittleLong( ds->firstVert );
	for ( i = 0 ; i < numPoints ; i++ ) {
		for ( j = 0 ; j < 3 ; j++ ) {
			cv->points[i][j] = LittleFloat( verts[i].xyz[j] );
		}
		for ( j = 0 ; j < 2 ; j++ ) {
			cv->points[i][3+j] = LittleFloat( verts[i].st[j] );
			for(k=0;k<MAXLIGHTMAPS;k++)
			{
				cv->points[i][VERTEX_LM+j+(k*2)] = LittleFloat( verts[i].lightmap[k][j] );
			}
		}
		for(k=0;k<MAXLIGHTMAPS;k++)
		{
			R_ColorShiftLightingBytes( verts[i].color[k], (byte *)&cv->points[i][VERTEX_COLOR+k] );
		}
	}

	indexes += LittleLong( ds->firstIndex );
	for ( i = 0 ; i < numIndexes ; i++ ) {
		((int *)((byte *)cv + cv->ofsIndices ))[i] = LittleLong( indexes[ i ] );
	}

	// take the plane information from the lightmap vector
	for ( i = 0 ; i < 3 ; i++ ) {
		cv->plane.normal[i] = LittleFloat( ds->lightmapVecs[2][i] );
	}
	cv->plane.dist = DotProduct( cv->points[0], cv->plane.normal );
	SetPlaneSignbits( &cv->plane );
	cv->plane.type = PlaneTypeForNormal( cv->plane.normal );

	surf->data = (surfaceType_t *)cv;
}

/*
=================
R_LoadMDM
=================
*/
qboolean R_LoadMDM( model_t *mod, void *buffer, const char *modName )
{
	int                i, j, k;

	mdmHeader_t        *mdm;
//    mdmFrame_t            *frame;
	mdmSurface_t       *mdmSurf;
	mdmTriangle_t      *mdmTri;
	mdmVertex_t        *mdmVertex;
	mdmTag_t           *mdmTag;
	int                version;
//	int             size;
	shader_t           *sh;
	int32_t            *collapseMap, *collapseMapOut, *boneref, *bonerefOut;

	mdmModel_t         *mdmModel;
	mdmTagIntern_t     *tag;
	mdmSurfaceIntern_t *surf;
	srfTriangle_t      *tri;
	md5Vertex_t        *v;

	mdm = ( mdmHeader_t * ) buffer;

	version = LittleLong( mdm->version );

	if ( version != MDM_VERSION )
	{
		ri.Printf( PRINT_WARNING, "R_LoadMDM: %s has wrong version (%i should be %i)\n", modName, version, MDM_VERSION );
		return qfalse;
	}

	mod->type = MOD_MDM;
//	size = LittleLong(mdm->ofsEnd);
	mod->dataSize += sizeof( mdmModel_t );

	//mdm = mod->mdm = ri.Hunk_Alloc(size, h_low);
	//memcpy(mdm, buffer, LittleLong(pinmodel->ofsEnd));

	mdmModel = mod->mdm = ri.Hunk_Alloc( sizeof( mdmModel_t ), h_low );

	LL( mdm->ident );
	LL( mdm->version );
//    LL(mdm->numFrames);
	LL( mdm->numTags );
	LL( mdm->numSurfaces );
//    LL(mdm->ofsFrames);
	LL( mdm->ofsTags );
	LL( mdm->ofsEnd );
	LL( mdm->ofsSurfaces );

	mdmModel->lodBias = LittleFloat( mdm->lodBias );
	mdmModel->lodScale = LittleFloat( mdm->lodScale );

	/*  mdm->skel = RE_RegisterModel(mdm->bonesfile);
	        if ( !mdm->skel ) {
	                ri.Error (ERR_DROP, "R_LoadMDM: %s skeleton not found", mdm->bonesfile );
	        }

	        if ( mdm->numFrames < 1 ) {
	                ri.Printf( PRINT_WARNING, "R_LoadMDM: %s has no frames\n", modName );
	                return qfalse;
	        }*/

	// swap all the frames

	/*frameSize = (int) ( sizeof( mdmFrame_t ) );
	   for ( i = 0 ; i < mdm->numFrames ; i++, frame++) {
	   frame = (mdmFrame_t *) ( (byte *)mdm + mdm->ofsFrames + i * frameSize );
	   frame->radius = LittleFloat( frame->radius );
	   for ( j = 0 ; j < 3 ; j++ ) {
	   frame->bounds[0][j] = LittleFloat( frame->bounds[0][j] );
	   frame->bounds[1][j] = LittleFloat( frame->bounds[1][j] );
	   frame->localOrigin[j] = LittleFloat( frame->localOrigin[j] );
	   frame->parentOffset[j] = LittleFloat( frame->parentOffset[j] );
	   }
	   } */

	// swap all the tags
	mdmModel->numTags = mdm->numTags;
	mdmModel->tags = tag = ri.Hunk_Alloc( sizeof( *tag ) * mdm->numTags, h_low );

	mdmTag = ( mdmTag_t * )( ( byte * ) mdm + mdm->ofsTags );

	for ( i = 0; i < mdm->numTags; i++, tag++ )
	{
		int ii;

		Q_strncpyz( tag->name, mdmTag->name, sizeof( tag->name ) );

		for ( ii = 0; ii < 3; ii++ )
		{
			tag->axis[ ii ][ 0 ] = LittleFloat( mdmTag->axis[ ii ][ 0 ] );
			tag->axis[ ii ][ 1 ] = LittleFloat( mdmTag->axis[ ii ][ 1 ] );
			tag->axis[ ii ][ 2 ] = LittleFloat( mdmTag->axis[ ii ][ 2 ] );
		}
//.........这里部分代码省略.........

/*
=================
Mod_LoadAliasModel
=================
*/
void Mod_LoadAliasModel (model_t *mod, void *buffer)
{
	int					i;
	mdl_t				*pmodel, *pinmodel;
	stvert_t			*pstverts, *pinstverts;
	aliashdr_t			*pheader;
	mtriangle_t			*ptri;
	dtriangle_t			*pintriangles;
	int					version, numframes, numskins;
	int					size;
	daliasframetype_t	*pframetype;
	daliasskintype_t	*pskintype;
	maliasskindesc_t	*pskindesc;
	int					skinsize;
	int					start, end, total;
	
	start = Hunk_LowMark ();

	pinmodel = (mdl_t *)buffer;

	version = LittleLong (pinmodel->version);
	if (version != ALIAS_VERSION)
		Sys_Error ("%s has wrong version number (%i should be %i)",
				 mod->name, version, ALIAS_VERSION);

//
// allocate space for a working header, plus all the data except the frames,
// skin and group info
//
	size = 	sizeof (aliashdr_t) + (LittleLong (pinmodel->numframes) - 1) *
			 sizeof (pheader->frames[0]) +
			sizeof (mdl_t) +
			LittleLong (pinmodel->numverts) * sizeof (stvert_t) +
			LittleLong (pinmodel->numtris) * sizeof (mtriangle_t);

	pheader = Hunk_AllocName (size, loadname);
	pmodel = (mdl_t *) ((byte *)&pheader[1] +
			(LittleLong (pinmodel->numframes) - 1) *
			 sizeof (pheader->frames[0]));
	
//	mod->cache.data = pheader;
	mod->flags = LittleLong (pinmodel->flags);

//
// endian-adjust and copy the data, starting with the alias model header
//
	pmodel->boundingradius = LittleFloat (pinmodel->boundingradius);
	pmodel->numskins = LittleLong (pinmodel->numskins);
	pmodel->skinwidth = LittleLong (pinmodel->skinwidth);
	pmodel->skinheight = LittleLong (pinmodel->skinheight);

	if (pmodel->skinheight > MAX_LBM_HEIGHT)
		Sys_Error ("model %s has a skin taller than %d", mod->name,
				   MAX_LBM_HEIGHT);

	pmodel->numverts = LittleLong (pinmodel->numverts);

	if (pmodel->numverts <= 0)
		Sys_Error ("model %s has no vertices", mod->name);

	if (pmodel->numverts > MAXALIASVERTS)
		Sys_Error ("model %s has too many vertices", mod->name);

	pmodel->numtris = LittleLong (pinmodel->numtris);

	if (pmodel->numtris <= 0)
		Sys_Error ("model %s has no triangles", mod->name);

	pmodel->numframes = LittleLong (pinmodel->numframes);
	pmodel->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
	mod->synctype = LittleLong (pinmodel->synctype);
	mod->numframes = pmodel->numframes;

	for (i=0 ; i<3 ; i++)
	{
		pmodel->scale[i] = LittleFloat (pinmodel->scale[i]);
		pmodel->scale_origin[i] = LittleFloat (pinmodel->scale_origin[i]);
		pmodel->eyeposition[i] = LittleFloat (pinmodel->eyeposition[i]);
	}

	numskins = pmodel->numskins;
	numframes = pmodel->numframes;

	if (pmodel->skinwidth & 0x03)
		Sys_Error ("Mod_LoadAliasModel: skinwidth not multiple of 4");

	pheader->model = (byte *)pmodel - (byte *)pheader;

//
// load the skins
//
	skinsize = pmodel->skinheight * pmodel->skinwidth;

	if (numskins < 1)
		Sys_Error ("Mod_LoadAliasModel: Invalid # of skins: %d\n", numskins);
//.........这里部分代码省略.........

static bool R_LoadMd3Lod( idRenderModel* mod, int lod, const void* buffer, const char* mod_name ) {
    md3Header_t* pinmodel = ( md3Header_t* )buffer;

    int version = LittleLong( pinmodel->version );
    if ( version != MD3_VERSION ) {
        common->Printf( S_COLOR_YELLOW "R_LoadMD3: %s has wrong version (%i should be %i)\n",
                        mod_name, version, MD3_VERSION );
        return false;
    }

    mod->type = MOD_MESH3;
    int size = LittleLong( pinmodel->ofsEnd );
    mod->q3_dataSize += size;
    mod->q3_md3[ lod ].header = ( md3Header_t* )Mem_Alloc( size );

    Com_Memcpy( mod->q3_md3[ lod ].header, buffer, LittleLong( pinmodel->ofsEnd ) );

    LL( mod->q3_md3[ lod ].header->ident );
    LL( mod->q3_md3[ lod ].header->version );
    LL( mod->q3_md3[ lod ].header->numFrames );
    LL( mod->q3_md3[ lod ].header->numTags );
    LL( mod->q3_md3[ lod ].header->numSurfaces );
    LL( mod->q3_md3[ lod ].header->ofsFrames );
    LL( mod->q3_md3[ lod ].header->ofsTags );
    LL( mod->q3_md3[ lod ].header->ofsSurfaces );
    LL( mod->q3_md3[ lod ].header->ofsEnd );

    if ( mod->q3_md3[ lod ].header->numFrames < 1 ) {
        common->Printf( S_COLOR_YELLOW "R_LoadMD3: %s has no frames\n", mod_name );
        return false;
    }

    bool fixRadius = false;
    if ( GGameType & ( GAME_WolfSP | GAME_WolfMP | GAME_ET ) &&
            ( strstr( mod->name,"sherman" ) || strstr( mod->name, "mg42" ) ) ) {
        fixRadius = true;
    }

    // swap all the frames
    md3Frame_t* frame = ( md3Frame_t* )( ( byte* )mod->q3_md3[ lod ].header + mod->q3_md3[ lod ].header->ofsFrames );
    for ( int i = 0; i < mod->q3_md3[ lod ].header->numFrames; i++, frame++ ) {
        frame->radius = LittleFloat( frame->radius );
        if ( fixRadius ) {
            frame->radius = 256;
            for ( int j = 0; j < 3; j++ ) {
                frame->bounds[ 0 ][ j ] = 128;
                frame->bounds[ 1 ][ j ] = -128;
                frame->localOrigin[ j ] = LittleFloat( frame->localOrigin[ j ] );
            }
        }
        // Hack for Bug using plugin generated model
        else if ( GGameType & ( GAME_WolfSP | GAME_WolfMP | GAME_ET ) && frame->radius == 1 ) {
            frame->radius = 256;
            for ( int j = 0; j < 3; j++ ) {
                frame->bounds[ 0 ][ j ] = 128;
                frame->bounds[ 1 ][ j ] = -128;
                frame->localOrigin[ j ] = LittleFloat( frame->localOrigin[ j ] );
            }
        } else {
            for ( int j = 0; j < 3; j++ ) {
                frame->bounds[ 0 ][ j ] = LittleFloat( frame->bounds[ 0 ][ j ] );
                frame->bounds[ 1 ][ j ] = LittleFloat( frame->bounds[ 1 ][ j ] );
                frame->localOrigin[ j ] = LittleFloat( frame->localOrigin[ j ] );
            }
        }
    }

    // swap all the tags
    md3Tag_t* tag = ( md3Tag_t* )( ( byte* )mod->q3_md3[ lod ].header + mod->q3_md3[ lod ].header->ofsTags );
    for ( int i = 0; i < mod->q3_md3[ lod ].header->numTags * mod->q3_md3[ lod ].header->numFrames; i++, tag++ ) {
        for ( int j = 0; j < 3; j++ ) {
            tag->origin[ j ] = LittleFloat( tag->origin[ j ] );
            tag->axis[ 0 ][ j ] = LittleFloat( tag->axis[ 0 ][ j ] );
            tag->axis[ 1 ][ j ] = LittleFloat( tag->axis[ 1 ][ j ] );
            tag->axis[ 2 ][ j ] = LittleFloat( tag->axis[ 2 ][ j ] );
        }
    }

    // swap all the surfaces
    mod->q3_md3[ lod ].surfaces = new idSurfaceMD3[ mod->q3_md3[ lod ].header->numSurfaces ];
    md3Surface_t* surf = ( md3Surface_t* )( ( byte* )mod->q3_md3[ lod ].header + mod->q3_md3[ lod ].header->ofsSurfaces );
    for ( int i = 0; i < mod->q3_md3[ lod ].header->numSurfaces; i++ ) {
        mod->q3_md3[ lod ].surfaces[ i ].SetMd3Data( surf );
        LL( surf->ident );
        LL( surf->flags );
        LL( surf->numFrames );
        LL( surf->numShaders );
        LL( surf->numTriangles );
        LL( surf->ofsTriangles );
        LL( surf->numVerts );
        LL( surf->ofsShaders );
        LL( surf->ofsSt );
        LL( surf->ofsXyzNormals );
        LL( surf->ofsEnd );

        if ( surf->numVerts > SHADER_MAX_VERTEXES ) {
            common->Error( "R_LoadMD3: %s has more than %i verts on a surface (%i)",
                           mod_name, SHADER_MAX_VERTEXES, surf->numVerts );
        }
        if ( surf->numTriangles * 3 > SHADER_MAX_INDEXES ) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        // Ceiling Colour
        ceiling = LittleLong( ceiling );
        fwrite( &ceiling, sizeof( W32 ), 1, fout );		
    
        // Floor Colour
        floor = LittleLong( floor );
        fwrite( &floor, sizeof( W32 ), 1, fout );
        
        // Length of layers
        temp = LittleShort( length[ 0 ] );
        fwrite( &temp, sizeof( W16 ), 1, fout );	// Length One
        temp = LittleShort( length[ 1 ] );
        fwrite( &temp, sizeof( W16 ), 1, fout );	// Length Two	
        temp = LittleShort( length[ 2 ] );
        fwrite( &temp, sizeof( W16 ), 1, fout );	// Length Three
    
        jmp = ftell( fout );
    
        temp = 0;
        fwrite( &temp, sizeof( W32 ), 1, fout );	// Offset One
        fwrite( &temp, sizeof( W32 ), 1, fout );	// Offset Two	
        fwrite( &temp, sizeof( W32 ), 1, fout );	// Offset Three
        
        
        // Map name length	
        temp = strlen( name );
        fwrite( &temp, sizeof( W16 ), 1, fout );
    
        // Music name length	
        temp = strlen( musicName );
        fwrite( &temp, sizeof( W16 ), 1, fout );		
    
        // Par time Float
        ftime = LittleFloat( ftime );
        fwrite( &ftime, sizeof( float ), 1, fout );	
    
        // Par time string
        fwrite( stime, sizeof( W8 ), 5 , fout );	
    
        // Map name
        fwrite( name, sizeof( W8 ), strlen( name ), fout );	
    
        // Music file name
        fwrite( musicName, sizeof( W8 ), strlen( musicName ), fout );	
        
    
        
    
    
        data = (PW8) MM_MALLOC( length[ 0 ] );
        if( data == NULL )
        {
            continue;
        }
    
        offset[ 0 ] = ftell( fout );
    
        fseek( map_file_handle, offsetin[ 0 ], SEEK_SET );
        
        fread( data, 1, length[ 0 ], map_file_handle );    
        fwrite( data, 1, length[ 0 ], fout );
        
        MM_FREE( data );
    
    
        data = (PW8) MM_MALLOC( length[ 1 ] );

//.........这里部分代码省略.........
	model.version = ALIAS_VERSION;
	model.framesize = (int)&((daliasframe_t *)0)->verts[model.num_xyz];
	model.num_glcmds = numcommands;
	model.ofs_skins = sizeof(dmdl_t);
	model.ofs_st = model.ofs_skins + model.num_skins * MAX_SKINNAME;
	model.ofs_tris = model.ofs_st + model.num_st*sizeof(dstvert_t);
	model.ofs_frames = model.ofs_tris + model.num_tris*sizeof(dtriangle_t);
	model.ofs_glcmds = model.ofs_frames + model.num_frames*model.framesize;
	model.ofs_end = model.ofs_glcmds + model.num_glcmds*4;

	//
	// write out the model header
	//
	for (i=0 ; i<sizeof(dmdl_t)/4 ; i++)
		((int *)&modeltemp)[i] = LittleLong (((int *)&model)[i]);

	SafeWrite (modelouthandle, &modeltemp, sizeof(modeltemp));

	//
	// write out the skin names
	//
	SafeWrite (modelouthandle, g_skins, model.num_skins * MAX_SKINNAME);

	//
	// write out the texture coordinates
	//
	c_on = c_off = 0;
	for (i=0 ; i<model.num_st ; i++)
	{
		base_st[i].s = LittleShort (base_st[i].s);
		base_st[i].t = LittleShort (base_st[i].t);
	}

	SafeWrite (modelouthandle, base_st, model.num_st * sizeof(base_st[0]));

	//
	// write out the triangles
	//
	for (i=0 ; i<model.num_tris ; i++)
	{
		int			j;
		dtriangle_t	tri;

		for (j=0 ; j<3 ; j++)
		{
			tri.index_xyz[j] = LittleShort (triangles[i].index_xyz[j]);
			tri.index_st[j] = LittleShort (triangles[i].index_st[j]);
		}

		SafeWrite (modelouthandle, &tri, sizeof(tri));
	}

	//
	// write out the frames
	//
	for (i=0 ; i<model.num_frames ; i++)
	{
		in = &g_frames[i];
		out = (daliasframe_t *)buffer;

		strcpy (out->name, in->name);
		for (j=0 ; j<3 ; j++)
		{
			out->scale[j] = (in->maxs[j] - in->mins[j])/255;
			out->translate[j] = in->mins[j];
		}

		for (j=0 ; j<model.num_xyz ; j++)
		{
		// all of these are byte values, so no need to deal with endianness
			out->verts[j].lightnormalindex = in->v[j].lightnormalindex;

			for (k=0 ; k<3 ; k++)
			{
			// scale to byte values & min/max check
				v = Q_rint ( (in->v[j].v[k] - out->translate[k]) / out->scale[k] );

			// clamp, so rounding doesn't wrap from 255.6 to 0
				if (v > 255.0)
					v = 255.0;
				if (v < 0)
					v = 0;
				out->verts[j].v[k] = v;
			}
		}

		for (j=0 ; j<3 ; j++)
		{
			out->scale[j] = LittleFloat (out->scale[j]);
			out->translate[j] = LittleFloat (out->translate[j]);
		}

		SafeWrite (modelouthandle, out, model.framesize);
	}

	//
	// write out glcmds
	//
	SafeWrite (modelouthandle, commands, numcommands*4);
}

/*
=================
Mod_LoadAliasModel
=================
*/
void Mod_LoadAliasModel (model_t *mod, void *buffer)
{
	int					i, j;
	mdl_t				*pinmodel;
	stvert_t			*pinstverts;
	dtriangle_t			*pintriangles;
	int					version, numframes, numskins;
	int					size;
	daliasframetype_t	*pframetype;
	daliasskintype_t	*pskintype;
	int					start, end, total;

	start = Hunk_LowMark ();

	pinmodel = (mdl_t *)buffer;

	version = LittleLong (pinmodel->version);
	if (version != ALIAS_VERSION)
		Sys_Error ("%s has wrong version number (%i should be %i)",
				 mod->name, version, ALIAS_VERSION);

//
// allocate space for a working header, plus all the data except the frames,
// skin and group info
//
	size = 	sizeof (aliashdr_t)
			+ (LittleLong (pinmodel->numframes) - 1) *
			sizeof (pheader->frames[0]);
	pheader = (aliashdr_t*) Hunk_AllocName (size, loadname);

	mod->flags = LittleLong (pinmodel->flags);

//
// endian-adjust and copy the data, starting with the alias model header
//
	pheader->boundingradius = LittleFloat (pinmodel->boundingradius);
	pheader->numskins = LittleLong (pinmodel->numskins);
	pheader->skinwidth = LittleLong (pinmodel->skinwidth);
	pheader->skinheight = LittleLong (pinmodel->skinheight);

	if (pheader->skinheight > MAX_LBM_HEIGHT)
		Sys_Error ("model %s has a skin taller than %d", mod->name,
				   MAX_LBM_HEIGHT);

	pheader->numverts = LittleLong (pinmodel->numverts);

	if (pheader->numverts <= 0)
		Sys_Error ("model %s has no vertices", mod->name);

	if (pheader->numverts > MAXALIASVERTS)
		Sys_Error ("model %s has too many vertices", mod->name);

	pheader->numtris = LittleLong (pinmodel->numtris);

	if (pheader->numtris <= 0)
		Sys_Error ("model %s has no triangles", mod->name);

	pheader->numframes = LittleLong (pinmodel->numframes);
	numframes = pheader->numframes;
	if (numframes < 1)
		Sys_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes);

	pheader->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
	mod->synctype = (synctype_t) LittleLong (pinmodel->synctype);
	mod->numframes = pheader->numframes;

	for (i=0 ; i<3 ; i++)
	{
		pheader->scale[i] = LittleFloat (pinmodel->scale[i]);
		pheader->scale_origin[i] = LittleFloat (pinmodel->scale_origin[i]);
		pheader->eyeposition[i] = LittleFloat (pinmodel->eyeposition[i]);
	}


//
// load the skins
//
	pskintype = (daliasskintype_t *)&pinmodel[1];
	pskintype = (daliasskintype_t*) Mod_LoadAllSkins (pheader->numskins, pskintype);

//
// load base s and t vertices
//
	pinstverts = (stvert_t *)pskintype;

	for (i=0 ; i<pheader->numverts ; i++)
	{
		stverts[i].onseam = LittleLong (pinstverts[i].onseam);
		stverts[i].s = LittleLong (pinstverts[i].s);
		stverts[i].t = LittleLong (pinstverts[i].t);
	}

//
// load triangle lists
//
//.........这里部分代码省略.........

/*
=================
R_LoadMDC
=================
*/
qboolean R_LoadMDC(model_t * mod, int lod, void *buffer, int bufferSize, const char *modName)
{
	int             i, j, k, l;

	mdcHeader_t    *mdcModel;
	md3Frame_t     *mdcFrame;
	mdcSurface_t   *mdcSurf;
	md3Shader_t    *mdcShader;
	md3Triangle_t  *mdcTri;
	md3St_t        *mdcst;
	md3XyzNormal_t *mdcxyz;
	mdcXyzCompressed_t *mdcxyzComp;
	mdcTag_t       *mdcTag;
	mdcTagName_t   *mdcTagName;

	mdvModel_t     *mdvModel;
	mdvFrame_t     *frame;
	mdvSurface_t   *surf, *surface;
	srfTriangle_t  *tri;
	mdvVertex_t    *v;
	mdvSt_t        *st;
	mdvTag_t       *tag;
	mdvTagName_t   *tagName;
	short          *ps;

	int             version;
	int             size;

	mdcModel = (mdcHeader_t *) buffer;

	version = LittleLong(mdcModel->version);
	if(version != MDC_VERSION)
	{
		ri.Printf(PRINT_WARNING, "R_LoadMD3: %s has wrong version (%i should be %i)\n", modName, version, MDC_VERSION);
		return qfalse;
	}

	mod->type = MOD_MESH;
	size = LittleLong(mdcModel->ofsEnd);
	mod->dataSize += size;
	mdvModel = mod->mdv[lod] = ri.Hunk_Alloc(sizeof(mdvModel_t), h_low);


	LL(mdcModel->ident);
	LL(mdcModel->version);
	LL(mdcModel->numFrames);
	LL(mdcModel->numTags);
	LL(mdcModel->numSurfaces);
	LL(mdcModel->ofsFrames);
	LL(mdcModel->ofsTags);
	LL(mdcModel->ofsSurfaces);
	LL(mdcModel->ofsEnd);
	LL(mdcModel->ofsEnd);
	LL(mdcModel->flags);
	LL(mdcModel->numSkins);

	if(mdcModel->numFrames < 1)
	{
		ri.Printf(PRINT_WARNING, "R_LoadMDC: '%s' has no frames\n", modName);
		return qfalse;
	}

	// swap all the frames
	mdvModel->numFrames = mdcModel->numFrames;
	mdvModel->frames = frame = ri.Hunk_Alloc(sizeof(*frame) * mdcModel->numFrames, h_low);

	mdcFrame = (md3Frame_t *) ((byte *) mdcModel + mdcModel->ofsFrames);
	for(i = 0; i < mdcModel->numFrames; i++, frame++, mdcFrame++)
	{
		
#if 1
		// RB: ET HACK
		if(strstr(mod->name, "sherman") || strstr(mod->name, "mg42"))
		{
			frame->radius = 256;
			for(j = 0; j < 3; j++)
			{
				frame->bounds[0][j] = 128;
				frame->bounds[1][j] = -128;
				frame->localOrigin[j] = LittleFloat(mdcFrame->localOrigin[j]);
			}
		}
		else
#endif
		{
			frame->radius = LittleFloat(mdcFrame->radius);
			for(j = 0; j < 3; j++)
			{
				frame->bounds[0][j] = LittleFloat(mdcFrame->bounds[0][j]);
				frame->bounds[1][j] = LittleFloat(mdcFrame->bounds[1][j]);
				frame->localOrigin[j] = LittleFloat(mdcFrame->localOrigin[j]);
			}
		}
	}

//.........这里部分代码省略.........

int AnalyzeBSP( int argc, char **argv )
{
	abspHeader_t			*header;
	int						size, i, version, offset, length, lumpInt, count;
	char					ident[ 5 ];
	void					*lump;
	float					lumpFloat;
	char					lumpString[ 1024 ], source[ 1024 ];
	qboolean				lumpSwap = qfalse;
	abspLumpTest_t			*lumpTest;
	static abspLumpTest_t	lumpTests[] =
							{
								{ sizeof( bspPlane_t ),			6,		"IBSP LUMP_PLANES" },
								{ sizeof( bspBrush_t ),			1,		"IBSP LUMP_BRUSHES" },
								{ 8,							6,		"IBSP LUMP_BRUSHSIDES" },
								{ sizeof( bspBrushSide_t ),		6,		"RBSP LUMP_BRUSHSIDES" },
								{ sizeof( bspModel_t ),			1,		"IBSP LUMP_MODELS" },
								{ sizeof( bspNode_t ),			2,		"IBSP LUMP_NODES" },
								{ sizeof( bspLeaf_t ),			1,		"IBSP LUMP_LEAFS" },
								{ 104,							3,		"IBSP LUMP_DRAWSURFS" },
								{ 44,							3,		"IBSP LUMP_DRAWVERTS" },
								{ 4,							6,		"IBSP LUMP_DRAWINDEXES" },
								{ 128 * 128 * 3,				1,		"IBSP LUMP_LIGHTMAPS" },
								{ 256 * 256 * 3,				1,		"IBSP LUMP_LIGHTMAPS (256 x 256)" },
								{ 512 * 512 * 3,				1,		"IBSP LUMP_LIGHTMAPS (512 x 512)" },
								{ 0, 0, NULL }
							};
	
	
	/* arg checking */
	if( argc < 1 )
	{
		Sys_Printf( "Usage: q3map -analyze [-lumpswap] [-v] <mapname>\n" );
		return 0;
	}
	
	/* process arguments */
	for( i = 1; i < (argc - 1); i++ )
	{
		/* -format map|ase|... */
		if( !strcmp( argv[ i ],  "-lumpswap" ) )
		{
			Sys_Printf( "Swapped lump structs enabled\n" );
 			lumpSwap = qtrue;
 		}
	}
	
	/* clean up map name */
	strcpy( source, ExpandArg( argv[ i ] ) );
	Sys_Printf( "Loading %s\n", source );
	
	/* load the file */
	size = LoadFile( source, (void**) &header );
	if( size == 0 || header == NULL )
	{
		Sys_Printf( "Unable to load %s.\n", source );
		return -1;
	}
	
	/* analyze ident/version */
	memcpy( ident, header->ident, 4 );
	ident[ 4 ] = '\0';
	version = LittleLong( header->version );
	
	Sys_Printf( "Identity:      %s\n", ident );
	Sys_Printf( "Version:       %d\n", version );
	Sys_Printf( "---------------------------------------\n" );
	
	/* analyze each lump */
	for( i = 0; i < 100; i++ )
	{
		/* call of duty swapped lump pairs */
		if( lumpSwap )
		{
			offset = LittleLong( header->lumps[ i ].length );
			length = LittleLong( header->lumps[ i ].offset );
		}
		
		/* standard lump pairs */
		else
		{
			offset = LittleLong( header->lumps[ i ].offset );
			length = LittleLong( header->lumps[ i ].length );
		}
		
		/* extract data */
		lump = (byte*) header + offset;
		lumpInt = LittleLong( (int) *((int*) lump) );
		lumpFloat = LittleFloat( (float) *((float*) lump) );
		memcpy( lumpString, (char*) lump, (length < 1024 ? length : 1024) );
		lumpString[ 1024 ] = '\0';
		
		/* print basic lump info */
		Sys_Printf( "Lump:          %d\n", i );
		Sys_Printf( "Offset:        %d bytes\n", offset );
		Sys_Printf( "Length:        %d bytes\n", length );
		
		/* only operate on valid lumps */
		if( length > 0 )
		{
//.........这里部分代码省略.........