X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=image.c;h=192cb568d9eded768e0ab86197fb6be4b9959d57;hb=bdbd009f72846eafb32d1efe43c521c22ca65fda;hp=23eb76b4652b15ac3b0c6da96b017c70cad1c50e;hpb=038ff8d79bb5044145cc2f87a8df1ce732209e4d;p=xonotic%2Fdarkplaces.git diff --git a/image.c b/image.c index 23eb76b4..192cb568 100644 --- a/image.c +++ b/image.c @@ -7,6 +7,44 @@ int image_width; int image_height; +void Image_CopyMux(qbyte *outpixels, const qbyte *inpixels, int width, int height, int flipx, int flipy, int flipdiagonal, int numincomponents, int numoutcomponents, int *inputcomponentindices) +{ + int index, c, x, y; + const qbyte *in, *inrow, *incolumn; + if (flipdiagonal) + { + for (y = 0;y < height;y++) + { + incolumn = inpixels + (flipx ? width - 1 - y : y) * numincomponents; + for (x = 0;x < width;x++) + { + in = incolumn + (flipy ? height - 1 - x : x) * width * numincomponents; + for (c = 0;c < numoutcomponents;c++) + { + index = inputcomponentindices[c]; + *outpixels++ = (index & 0x80000000) ? (index - 0x8000000) : in[index]; + } + } + } + } + else + { + for (y = 0;y < height;y++) + { + inrow = inpixels + (flipy ? height - 1 - y : y) * width * numincomponents; + for (x = 0;x < width;x++) + { + in = inrow + (flipx ? width - 1 - x : x) * numincomponents; + for (c = 0;c < numoutcomponents;c++) + { + index = inputcomponentindices[c]; + *outpixels++ = (index & 0x80000000) ? (index - 0x8000000) : in[index]; + } + } + } + } +} + void Image_GammaRemapRGB(const qbyte *in, qbyte *out, int pixels, const qbyte *gammar, const qbyte *gammag, const qbyte *gammab) { while (pixels--) @@ -86,7 +124,7 @@ typedef struct LoadPCX ============ */ -qbyte* LoadPCX (const qbyte *f, int matchwidth, int matchheight) +qbyte* LoadPCX (qbyte *f, int matchwidth, int matchheight) { pcx_t pcx; qbyte *a, *b, *image_rgba, *pbuf; @@ -114,23 +152,15 @@ qbyte* LoadPCX (const qbyte *f, int matchwidth, int matchheight) pcx.bytes_per_line = LittleShort (pcx.bytes_per_line); pcx.palette_type = LittleShort (pcx.palette_type); - if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcx.xmax > 320 || pcx.ymax > 256) + image_width = pcx.xmax + 1 - pcx.xmin; + image_height = pcx.ymax + 1 - pcx.ymin; + if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0) { Con_Printf ("Bad pcx file\n"); return NULL; } - - if (matchwidth && (pcx.xmax+1) != matchwidth) - { - return NULL; - } - if (matchheight && (pcx.ymax+1) != matchheight) - { + if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight)) return NULL; - } - - image_width = pcx.xmax+1; - image_height = pcx.ymax+1; palette = f + fs_filesize - 768; @@ -223,11 +253,11 @@ void PrintTargaHeader(TargaHeader *t) LoadTGA ============= */ -qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight) +qbyte *LoadTGA (qbyte *f, int matchwidth, int matchheight) { - int x, y, row_inc, compressed, readpixelcount, red, green, blue, alpha, runlen; + int x, y, row_inc, compressed, readpixelcount, red, green, blue, alpha, runlen, pindex; qbyte *pixbuf, *image_rgba; - const qbyte *fin, *enddata; + qbyte *fin, *enddata; TargaHeader targa_header; unsigned char palette[256*4], *p; @@ -245,18 +275,19 @@ qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight) targa_header.colormap_size = f[7]; targa_header.x_origin = f[8] + f[9] * 256; targa_header.y_origin = f[10] + f[11] * 256; - targa_header.width = f[12] + f[13] * 256; - targa_header.height = f[14] + f[15] * 256; - if (matchwidth && targa_header.width != matchwidth) + targa_header.width = image_width = f[12] + f[13] * 256; + targa_header.height = image_height = f[14] + f[15] * 256; + if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0) + { + Con_Printf("LoadTGA: invalid size\n"); + PrintTargaHeader(&targa_header); return NULL; - if (matchheight && targa_header.height != matchheight) + } + if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight)) return NULL; targa_header.pixel_size = f[16]; targa_header.attributes = f[17]; - image_width = targa_header.width; - image_height = targa_header.height; - fin = f + 18; if (targa_header.id_length != 0) fin += targa_header.id_length; // skip TARGA image comment @@ -277,9 +308,9 @@ qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight) PrintTargaHeader(&targa_header); return NULL; } - if (targa_header.colormap_length != 256) + if (targa_header.colormap_length > 256) { - Con_Printf ("LoadTGA: only 256 colormap_length supported\n"); + Con_Printf ("LoadTGA: only up to 256 colormap_length supported\n"); PrintTargaHeader(&targa_header); return NULL; } @@ -388,7 +419,10 @@ qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight) case 1: case 9: // colormapped - p = palette + (*fin++) * 4; + pindex = *fin++; + if (pindex >= targa_header.colormap_length) + pindex = 0; // error + p = palette + pindex * 4; red = p[0]; green = p[1]; blue = p[2]; @@ -436,10 +470,9 @@ qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight) LoadLMP ============ */ -qbyte *LoadLMP (const qbyte *f, int matchwidth, int matchheight) +qbyte *LoadLMP (qbyte *f, int matchwidth, int matchheight) { qbyte *image_rgba; - int width, height; if (fs_filesize < 9) { @@ -448,25 +481,22 @@ qbyte *LoadLMP (const qbyte *f, int matchwidth, int matchheight) } // parse the very complicated header *chuckle* - width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216; - height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216; - if ((unsigned) width > 4096 || (unsigned) height > 4096) + image_width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216; + image_height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216; + if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0) { - Con_Printf("LoadLMP: invalid size\n"); + Con_Printf("LoadLMP: invalid size %ix%i\n", image_width, image_height); return NULL; } - if ((matchwidth && width != matchwidth) || (matchheight && height != matchheight)) + if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight)) return NULL; - if (fs_filesize < 8 + width * height) + if (fs_filesize < 8 + image_width * image_height) { Con_Printf("LoadLMP: invalid LMP file\n"); return NULL; } - image_width = width; - image_height = height; - image_rgba = Mem_Alloc(tempmempool, image_width * image_height * 4); if (!image_rgba) { @@ -477,15 +507,64 @@ qbyte *LoadLMP (const qbyte *f, int matchwidth, int matchheight) return image_rgba; } +typedef struct +{ + char name[32]; + unsigned width, height; + unsigned offsets[MIPLEVELS]; // four mip maps stored + char animname[32]; // next frame in animation chain + int flags; + int contents; + int value; +} q2wal_t; + +qbyte *LoadWAL (qbyte *f, int matchwidth, int matchheight) +{ + qbyte *image_rgba; + const q2wal_t *inwal = (const void *)f; + + if (fs_filesize < (int) sizeof(q2wal_t)) + { + Con_Printf("LoadWAL: invalid WAL file\n"); + return NULL; + } + + image_width = LittleLong(inwal->width); + image_height = LittleLong(inwal->height); + if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0) + { + Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height); + return NULL; + } + if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight)) + return NULL; + + if ((int) fs_filesize < (int) sizeof(q2wal_t) + (int) LittleLong(inwal->offsets[0]) + image_width * image_height) + { + Con_Printf("LoadWAL: invalid WAL file\n"); + return NULL; + } + + image_rgba = Mem_Alloc(tempmempool, image_width * image_height * 4); + if (!image_rgba) + { + Con_Printf("LoadLMP: not enough memory for %i by %i image\n", image_width, image_height); + return NULL; + } + Image_Copy8bitRGBA(f + LittleLong(inwal->offsets[0]), image_rgba, image_width * image_height, palette_complete); + return image_rgba; +} + + + /* ============ LoadLMP ============ */ -qbyte *LoadLMPAs8Bit (const qbyte *f, int matchwidth, int matchheight) +qbyte *LoadLMPAs8Bit (qbyte *f, int matchwidth, int matchheight) { qbyte *image_8bit; - int width, height; if (fs_filesize < 9) { @@ -494,25 +573,22 @@ qbyte *LoadLMPAs8Bit (const qbyte *f, int matchwidth, int matchheight) } // parse the very complicated header *chuckle* - width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216; - height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216; - if ((unsigned) width > 4096 || (unsigned) height > 4096) + image_width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216; + image_height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216; + if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0) { - Con_Printf("LoadLMPAs8Bit: invalid size\n"); + Con_Printf("LoadLMPAs8Bit: invalid size %ix%i\n", image_width, image_height); return NULL; } - if ((matchwidth && width != matchwidth) || (matchheight && height != matchheight)) + if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight)) return NULL; - if (fs_filesize < 8 + width * height) + if (fs_filesize < 8 + image_width * image_height) { Con_Printf("LoadLMPAs8Bit: invalid LMP file\n"); return NULL; } - image_width = width; - image_height = height; - image_8bit = Mem_Alloc(tempmempool, image_width * image_height); if (!image_8bit) { @@ -530,7 +606,11 @@ void Image_StripImageExtension (const char *in, char *out) if ((end - in) >= 4) { temp = end - 4; - if (strcmp(temp, ".tga") == 0 || strcmp(temp, ".pcx") == 0 || strcmp(temp, ".lmp") == 0) + if (strcmp(temp, ".tga") == 0 + || strcmp(temp, ".pcx") == 0 + || strcmp(temp, ".lmp") == 0 + || strcmp(temp, ".png") == 0 + || strcmp(temp, ".jpg") == 0) end = temp; while (in < end) *out++ = *in++; @@ -540,92 +620,62 @@ void Image_StripImageExtension (const char *in, char *out) strcpy(out, in); } +struct +{ + const char *formatstring; + qbyte *(*loadfunc)(qbyte *f, int matchwidth, int matchheight); +} +imageformats[] = +{ + {"override/%s.tga", LoadTGA}, + {"override/%s.jpg", JPEG_LoadImage}, + {"textures/%s.tga", LoadTGA}, + {"textures/%s.jpg", JPEG_LoadImage}, + {"textures/%s.pcx", LoadPCX}, + {"textures/%s.wal", LoadWAL}, + {"%s.tga", LoadTGA}, + {"%s.jpg", JPEG_LoadImage}, + {"%s.pcx", LoadPCX}, + {"%s.lmp", LoadLMP}, + {NULL, NULL} +}; + qbyte *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight) { - qbyte *f, *data; + int i; + qbyte *f, *data = NULL; char basename[MAX_QPATH], name[MAX_QPATH], *c; + if (developer_memorydebug.integer) + Mem_CheckSentinelsGlobal(); Image_StripImageExtension(filename, basename); // strip filename extensions to allow replacement by other types // replace *'s with #, so commandline utils don't get confused when dealing with the external files for (c = basename;*c;c++) if (*c == '*') *c = '#'; - sprintf (name, "override/%s.tga", basename); - f = FS_LoadFile(name, true); - if (f) + for (i = 0;imageformats[i].formatstring;i++) { - data = LoadTGA (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "override/%s.jpg", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = JPEG_LoadImage (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "textures/%s.tga", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = LoadTGA (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "textures/%s.jpg", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = JPEG_LoadImage (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "textures/%s.pcx", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = LoadPCX (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "%s.tga", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = LoadTGA (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "%s.jpg", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = JPEG_LoadImage (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "%s.pcx", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = LoadPCX (f, matchwidth, matchheight); - goto loaded; - } - sprintf (name, "%s.lmp", basename); - f = FS_LoadFile(name, true); - if (f) - { - data = LoadLMP (f, matchwidth, matchheight); - goto loaded; + sprintf (name, imageformats[i].formatstring, basename); + if ((f = FS_LoadFile(name, true)) && (data = imageformats[i].loadfunc(f, matchwidth, matchheight))) + { + Mem_Free(f); + Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height); + if (developer_memorydebug.integer) + Mem_CheckSentinelsGlobal(); + return data; + } } if (complain) - Con_Printf ("Couldn't load %s.tga, .jpg, .pcx, .lmp\n", filename); - return NULL; -loaded: - Mem_Free(f); - Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height); - if (image_width == 0 || image_height == 0) { - Con_Printf("error loading image %s - it is a %dx%d pixel image!\n", name); - if (data != NULL) - Mem_Free(data); - data = NULL; + Con_Printf ("Couldn't load %s using ", filename); + for (i = 0;imageformats[i].formatstring;i++) + { + sprintf (name, imageformats[i].formatstring, basename); + Con_Printf (i == 0 ? "\"%s\"" : (imageformats[i+1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), imageformats[i].formatstring); + } } - return data; + if (developer_memorydebug.integer) + Mem_CheckSentinelsGlobal(); + return NULL; } int image_makemask (const qbyte *in, qbyte *out, int size) @@ -1386,7 +1436,7 @@ void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *ou /* dv[0][0] = iwidth; dv[0][1] = 0; - dv[0][2] = ((p1[0] + p1[1] + p1[2]) * ibumpscale) - ((p0[0] + p0[1] + p0[2]) * ibumpscale); + dv[0][2] = ((p0[0] + p0[1] + p0[2]) * ibumpscale) - ((p1[0] + p1[1] + p1[2]) * ibumpscale); dv[1][0] = 0; dv[1][1] = iheight; dv[1][2] = ((p2[0] + p2[1] + p2[2]) * ibumpscale) - ((p0[0] + p0[1] + p0[2]) * ibumpscale); @@ -1394,14 +1444,14 @@ void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *ou n[1] = dv[0][2]*dv[1][0]-dv[0][0]*dv[1][2]; n[2] = dv[0][0]*dv[1][1]-dv[0][1]*dv[1][0]; */ - n[0] = ((p0[0] + p0[1] + p0[2]) - (p1[0] + p1[1] + p1[2])); + n[0] = ((p1[0] + p1[1] + p1[2]) - (p0[0] + p0[1] + p0[2])); n[1] = ((p0[0] + p0[1] + p0[2]) - (p2[0] + p2[1] + p2[2])); n[2] = ibumpscale; VectorNormalize(n); /* // this should work for the bottom right triangle if anyone wants // code for that for some reason - n[0] = ((p1[0] + p1[1] + p1[2]) - (p3[0] + p3[1] + p3[2])); + n[0] = ((p3[0] + p3[1] + p3[2]) - (p1[0] + p1[1] + p1[2])); n[1] = ((p2[0] + p2[1] + p2[2]) - (p3[0] + p3[1] + p3[2])); n[2] = ibumpscale; VectorNormalize(n); @@ -1415,11 +1465,13 @@ void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *ou } } -int image_loadskin(imageskin_t *s, char *name) +int image_loadskin(imageskin_t *s, char *shadername) { int j; qbyte *bumppixels; int bumppixels_width, bumppixels_height; + char name[MAX_QPATH]; + Image_StripImageExtension(shadername, name); memset(s, 0, sizeof(*s)); s->basepixels = loadimagepixels(name, false, 0, 0); if (s->basepixels == NULL)