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light: use Face_TextureName() everywhere we need texture names. Handle negative miplump->dataofs[texnum].

This commit is contained in:
Eric Wasylishen 2016-07-12 00:20:00 -06:00
parent e3ff06318d
commit 992b2e51bc
4 changed files with 53 additions and 61 deletions
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3
include/light/light.h
View File

@ -310,6 +310,9 @@ extern char mapfilename[1024];
void
PrintFaceInfo(const bsp2_dface_t *face, const bsp2_t *bsp);
const miptex_t *
Face_Miptex(const bsp2_t *bsp, const bsp2_dface_t *face);
const char *
Face_TextureName(const bsp2_t *bsp, const bsp2_dface_t *face);

29
light/entities.c
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@ -815,13 +815,20 @@ finds the texture that is meant to be projected.
*/
static miptex_t *FindProjectionTexture(const bsp2_t *bsp, const char *texname)
{
if (!bsp->texdatasize)
return NULL;
dmiptexlump_t *miplump = bsp->dtexdata.header;
miptex_t *miptex;
int texnum;
/*outer loop finds the textures*/
for (texnum = 0; texnum< miplump->nummiptex; texnum++)
{
miptex = (miptex_t*)(bsp->dtexdata.base + miplump->dataofs[texnum]);
int offset = miplump->dataofs[texnum];
if (offset < 0)
continue;
miptex = (miptex_t*)(bsp->dtexdata.base + offset);
if (!Q_strcasecmp(miptex->name, texname))
return miptex;
}
@ -1657,10 +1664,7 @@ static void SubdividePolygon (const bsp2_dface_t *face, const modelinfo_t *face_
return;
}
const texinfo_t *tex = &bsp->texinfo[face->texinfo];
const int offset = bsp->dtexdata.header->dataofs[tex->miptex];
const miptex_t *miptex = (const miptex_t *)(bsp->dtexdata.base + offset);
const char *texname = miptex->name;
const char *texname = Face_TextureName(bsp, face);
for (i=0; i<num_surfacelight_templates; i++) {
if (!Q_strcasecmp(texname, ValueForKey(surfacelight_templates[i], "_surface"))) {
@ -1726,24 +1730,15 @@ static void MakeSurfaceLights(const bsp2_t *bsp)
for (i=0; i<bsp->numleafs; i++) {
const bsp2_dleaf_t *leaf = bsp->dleafs + i;
const bsp2_dface_t *surf;
int ofs;
qboolean underwater = leaf->contents != CONTENTS_EMPTY;
for (k = 0; k < leaf->nummarksurfaces; k++) {
const texinfo_t *info;
const miptex_t *miptex;
const modelinfo_t *face_modelinfo;
int facenum = bsp->dmarksurfaces[leaf->firstmarksurface + k];
surf = &bsp->dfaces[facenum];
info = &bsp->texinfo[surf->texinfo];
/* Don't crash if there are no textuers */
if (!bsp->texdatasize)
continue;
ofs = bsp->dtexdata.header->dataofs[info->miptex];
miptex = (const miptex_t *)(bsp->dtexdata.base + ofs);
const char *texname = Face_TextureName(bsp, surf);
face_modelinfo = ModelInfoForFace(bsp, facenum);
/* Skip face with no modelinfo */
@ -1752,7 +1747,7 @@ static void MakeSurfaceLights(const bsp2_t *bsp)
/* Ignore the underwater side of liquid surfaces */
// FIXME: Use a Face_TextureName function for this
if (miptex->name[0] == '*' && underwater)
if (texname[0] == '*' && underwater)
continue;
/* Skip if already handled */

38
light/ltface.c
View File

@ -273,14 +273,13 @@ void
PrintFaceInfo(const bsp2_dface_t *face, const bsp2_t *bsp)
{
const texinfo_t *tex = &bsp->texinfo[face->texinfo];
const int offset = bsp->dtexdata.header->dataofs[tex->miptex];
const miptex_t *miptex = (const miptex_t *)(bsp->dtexdata.base + offset);
const char *texname = Face_TextureName(bsp, face);
int i;
logprint("face %d, texture %s, %d edges...\n"
" vectors (%3.3f, %3.3f, %3.3f) (%3.3f)\n"
" (%3.3f, %3.3f, %3.3f) (%3.3f)\n",
(int)(face - bsp->dfaces), miptex->name, face->numedges,
(int)(face - bsp->dfaces), texname, face->numedges,
tex->vecs[0][0], tex->vecs[0][1], tex->vecs[0][2], tex->vecs[0][3],
tex->vecs[1][0], tex->vecs[1][1], tex->vecs[1][2], tex->vecs[1][3]);
@ -364,14 +363,13 @@ CalcFaceExtents(const bsp2_dface_t *face,
surf->texsize[i] = maxs[i] - mins[i];
if (surf->texsize[i] >= MAXDIMENSION) {
const dplane_t *plane = bsp->dplanes + face->planenum;
const int offset = bsp->dtexdata.header->dataofs[tex->miptex];
const miptex_t *miptex = (const miptex_t *)(bsp->dtexdata.base + offset);
const char *texname = Face_TextureName(bsp, face);
Error("Bad surface extents:\n"
" surface %d, %s extents = %d, scale = %g\n"
" texture %s at (%s)\n"
" surface normal (%s)\n",
(int)(face - bsp->dfaces), i ? "t" : "s", surf->texsize[i], surf->lightmapscale,
miptex->name, VecStr(worldpoint), VecStrf(plane->normal));
texname, VecStr(worldpoint), VecStrf(plane->normal));
}
}
}
@ -2091,17 +2089,31 @@ void LightFaceShutdown(struct ltface_ctx *ctx)
free(ctx->lightsurf);
}
const miptex_t *
Face_Miptex(const bsp2_t *bsp, const bsp2_dface_t *face)
{
if (!bsp->texdatasize)
return NULL;
int texnum = bsp->texinfo[face->texinfo].miptex;
const dmiptexlump_t *miplump = bsp->dtexdata.header;
int offset = miplump->dataofs[texnum];
if (offset < 0)
return NULL; //sometimes the texture just wasn't written. including its name.
const miptex_t *miptex = (miptex_t*)(bsp->dtexdata.base + offset);
return miptex;
}
const char *
Face_TextureName(const bsp2_t *bsp, const bsp2_dface_t *face)
{
int texnum = bsp->texinfo[face->texinfo].miptex;
if (!bsp->texdatasize)
const miptex_t *miptex = Face_Miptex(bsp, face);
if (miptex)
return miptex->name;
else
return "";
const dmiptexlump_t *miplump = bsp->dtexdata.header;
if (!miplump->dataofs[texnum])
return ""; //sometimes the texture just wasn't written. including its name.
const miptex_t *miptex = (miptex_t*)(bsp->dtexdata.base + miplump->dataofs[texnum]);
return miptex->name;
}
/*

44
light/trace.c
View File

@ -202,22 +202,18 @@ Face_Contents(const bsp2_t *bsp, const bsp2_dface_t *face)
if (!bsp->texdatasize)
return CONTENTS_SOLID; // no textures in bsp
int texnum = bsp->texinfo[face->texinfo].miptex;
const dmiptexlump_t *miplump = bsp->dtexdata.header;
const miptex_t *miptex;
if (!miplump->dataofs[texnum])
const char *texname = Face_TextureName(bsp, face);
if (texname[0] == '\0')
return CONTENTS_SOLID; //sometimes the texture just wasn't written. including its name.
miptex = (miptex_t*)(bsp->dtexdata.base + miplump->dataofs[texnum]);
if (!Q_strncasecmp(miptex->name, "sky", 3))
if (!Q_strncasecmp(texname, "sky", 3))
return CONTENTS_SKY;
else if (!Q_strncasecmp(miptex->name, "*lava", 5))
else if (!Q_strncasecmp(texname, "*lava", 5))
return CONTENTS_LAVA;
else if (!Q_strncasecmp(miptex->name, "*slime", 6))
else if (!Q_strncasecmp(texname, "*slime", 6))
return CONTENTS_SLIME;
else if (miptex->name[0] == '*')
else if (texname[0] == '*')
return CONTENTS_WATER;
else
return CONTENTS_SOLID;
@ -346,18 +342,6 @@ MakeTnodes(const bsp2_t *bsp)
* ============================================================================
*/
static miptex_t *
MiptexForFace(const bsp2_dface_t *face, const bsp2_t *bsp)
{
const texinfo_t *tex;
dmiptexlump_t *miplump = bsp->dtexdata.header;
miptex_t *miptex;
tex = &bsp->texinfo[face->texinfo];
miptex = (miptex_t*)(bsp->dtexdata.base + miplump->dataofs[tex->miptex]);
return miptex;
}
vec_t fix_coord(vec_t in, int width)
{
if (in > 0)
@ -377,8 +361,7 @@ SampleTexture(const bsp2_dface_t *face, const bsp2_t *bsp, const vec3_t point)
{
vec_t texcoord[2];
const texinfo_t *tex;
dmiptexlump_t *miplump = bsp->dtexdata.header;
miptex_t *miptex;
const miptex_t *miptex;
int x, y;
byte *data;
int sample;
@ -386,16 +369,15 @@ SampleTexture(const bsp2_dface_t *face, const bsp2_t *bsp, const vec3_t point)
if (!bsp->texdatasize)
return -1;
miptex = Face_Miptex(bsp, face);
if (miptex == NULL)
return -1;
tex = &bsp->texinfo[face->texinfo];
WorldToTexCoord(point, tex, texcoord);
if (miplump->dataofs[tex->miptex] == -1) {
return -1;
}
miptex = (miptex_t*)(bsp->dtexdata.base + miplump->dataofs[tex->miptex]);
x = fix_coord(texcoord[0], miptex->width);
y = fix_coord(texcoord[1], miptex->height);