+
+ return image_buffer;
+}
+
+void Image_StripImageExtension (const char *in, char *out, size_t size_out)
+{
+ const char *ext;
+
+ if (size_out == 0)
+ return;
+
+ ext = FS_FileExtension(in);
+ if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg") || !strcmp(ext, "wal")))
+ FS_StripExtension(in, out, size_out);
+ else
+ strlcpy(out, in, size_out);
+}
+
+static unsigned char image_linearfromsrgb[256];
+static unsigned char image_srgbfromlinear_lightmap[256];
+
+void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels)
+{
+ int i;
+ // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
+ if (!image_linearfromsrgb[255])
+ for (i = 0;i < 256;i++)
+ image_linearfromsrgb[i] = (unsigned char)floor(Image_LinearFloatFromsRGB(i) * 255.0f + 0.5f);
+ for (i = 0;i < numpixels;i++)
+ {
+ pout[i*4+0] = image_linearfromsrgb[pin[i*4+0]];
+ pout[i*4+1] = image_linearfromsrgb[pin[i*4+1]];
+ pout[i*4+2] = image_linearfromsrgb[pin[i*4+2]];
+ pout[i*4+3] = pin[i*4+3];
+ }
+}
+
+void Image_MakesRGBColorsFromLinear_Lightmap(unsigned char *pout, const unsigned char *pin, int numpixels)
+{
+ int i;
+ // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
+ if (!image_srgbfromlinear_lightmap[255])
+ for (i = 0;i < 256;i++)
+ image_srgbfromlinear_lightmap[i] = (unsigned char)floor(bound(0.0f, Image_sRGBFloatFromLinear_Lightmap(i), 1.0f) * 255.0f + 0.5f);
+ for (i = 0;i < numpixels;i++)
+ {
+ pout[i*4+0] = image_srgbfromlinear_lightmap[pin[i*4+0]];
+ pout[i*4+1] = image_srgbfromlinear_lightmap[pin[i*4+1]];
+ pout[i*4+2] = image_srgbfromlinear_lightmap[pin[i*4+2]];
+ pout[i*4+3] = pin[i*4+3];
+ }
+}
+
+typedef struct imageformat_s
+{
+ const char *formatstring;
+ unsigned char *(*loadfunc)(const unsigned char *f, int filesize, int *miplevel);
+}
+imageformat_t;
+
+// GAME_TENEBRAE only
+imageformat_t imageformats_tenebrae[] =
+{
+ {"override/%s.tga", LoadTGA_BGRA},
+ {"override/%s.png", PNG_LoadImage_BGRA},
+ {"override/%s.jpg", JPEG_LoadImage_BGRA},
+ {"override/%s.pcx", LoadPCX_BGRA},
+ {"%s.tga", LoadTGA_BGRA},
+ {"%s.png", PNG_LoadImage_BGRA},
+ {"%s.jpg", JPEG_LoadImage_BGRA},
+ {"%s.pcx", LoadPCX_BGRA},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_nopath[] =
+{
+ {"override/%s.tga", LoadTGA_BGRA},
+ {"override/%s.png", PNG_LoadImage_BGRA},
+ {"override/%s.jpg", JPEG_LoadImage_BGRA},
+ {"textures/%s.tga", LoadTGA_BGRA},
+ {"textures/%s.png", PNG_LoadImage_BGRA},
+ {"textures/%s.jpg", JPEG_LoadImage_BGRA},
+ {"%s.tga", LoadTGA_BGRA},
+ {"%s.png", PNG_LoadImage_BGRA},
+ {"%s.jpg", JPEG_LoadImage_BGRA},
+ {"%s.pcx", LoadPCX_BGRA},
+ {NULL, NULL}
+};
+
+// GAME_DELUXEQUAKE only
+// VorteX: the point why i use such messy texture paths is
+// that GtkRadiant can't detect normal/gloss textures
+// and exclude them from texture browser
+// so i just use additional folder to store this textures
+imageformat_t imageformats_dq[] =
+{
+ {"%s.tga", LoadTGA_BGRA},
+ {"%s.jpg", JPEG_LoadImage_BGRA},
+ {"texturemaps/%s.tga", LoadTGA_BGRA},
+ {"texturemaps/%s.jpg", JPEG_LoadImage_BGRA},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_textures[] =
+{
+ {"%s.tga", LoadTGA_BGRA},
+ {"%s.png", PNG_LoadImage_BGRA},
+ {"%s.jpg", JPEG_LoadImage_BGRA},
+ {"%s.pcx", LoadPCX_BGRA},
+ {"%s.wal", LoadWAL_BGRA},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_gfx[] =
+{
+ {"%s.tga", LoadTGA_BGRA},
+ {"%s.png", PNG_LoadImage_BGRA},
+ {"%s.jpg", JPEG_LoadImage_BGRA},
+ {"%s.pcx", LoadPCX_BGRA},
+ {"%s.lmp", LoadLMP_BGRA},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_other[] =
+{
+ {"%s.tga", LoadTGA_BGRA},
+ {"%s.png", PNG_LoadImage_BGRA},
+ {"%s.jpg", JPEG_LoadImage_BGRA},
+ {"%s.pcx", LoadPCX_BGRA},
+ {"%s.lmp", LoadLMP_BGRA},
+ {NULL, NULL}
+};
+
+int fixtransparentpixels(unsigned char *data, int w, int h);
+unsigned char *loadimagepixelsbgra (const char *filename, qbool complain, qbool allowFixtrans, qbool convertsRGB, int *miplevel)
+{
+ fs_offset_t filesize;
+ imageformat_t *firstformat, *format;
+ int mymiplevel;
+ unsigned char *f, *data = NULL, *data2 = NULL;
+ char basename[MAX_QPATH], name[MAX_QPATH], name2[MAX_QPATH], path[MAX_QPATH], afterpath[MAX_QPATH], *c;
+ char vabuf[1024];
+ //if (developer_memorydebug.integer)
+ // Mem_CheckSentinelsGlobal();
+ if (developer_texturelogging.integer)
+ Log_Printf("textures.log", "%s\n", filename);
+ Image_StripImageExtension(filename, basename, sizeof(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 = '#';
+ path[0] = 0;
+ name[0] = 0;
+ strlcpy(afterpath, basename, sizeof(afterpath));
+ if (strchr(basename, '/'))
+ {
+ int i;
+ for (i = 0;i < (int)sizeof(path)-1 && basename[i] != '/' && basename[i];i++)
+ path[i] = basename[i];
+ path[i] = 0;
+ strlcpy(afterpath, basename + i + 1, sizeof(afterpath));
+ }
+ if (gamemode == GAME_TENEBRAE)
+ firstformat = imageformats_tenebrae;
+ else if (gamemode == GAME_DELUXEQUAKE)
+ firstformat = imageformats_dq;
+ else if (!strcasecmp(path, "textures"))
+ firstformat = imageformats_textures;
+ else if (!strcasecmp(path, "gfx") || !strcasecmp(path, "locale")) // locale/ is used in GAME_BLOODOMNICIDE
+ firstformat = imageformats_gfx;
+ else if (!path[0])
+ firstformat = imageformats_nopath;
+ else
+ firstformat = imageformats_other;
+ // now try all the formats in the selected list
+ for (format = firstformat;format->formatstring;format++)
+ {
+ dpsnprintf (name, sizeof(name), format->formatstring, basename);
+
+ FS_SanitizePath(name);
+
+ if(FS_FileExists(name) && (f = FS_LoadFile(name, tempmempool, true, &filesize)) != NULL)
+ {
+ mymiplevel = miplevel ? *miplevel : 0;
+ image_width = 0;
+ image_height = 0;
+ data = format->loadfunc(f, (int)filesize, &mymiplevel);
+ Mem_Free(f);
+ if (data)
+ {
+ if(format->loadfunc == JPEG_LoadImage_BGRA) // jpeg can't do alpha, so let's simulate it by loading another jpeg
+ {
+ dpsnprintf (name2, sizeof(name2), format->formatstring, va(vabuf, sizeof(vabuf), "%s_alpha", basename));
+ f = FS_LoadFile(name2, tempmempool, true, &filesize);
+ if(f)
+ {
+ int mymiplevel2 = miplevel ? *miplevel : 0;
+ int image_width_save = image_width;
+ int image_height_save = image_height;
+ data2 = format->loadfunc(f, (int)filesize, &mymiplevel2);
+ if(data2 && mymiplevel == mymiplevel2 && image_width == image_width_save && image_height == image_height_save)
+ Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
+ else
+ Con_Printf("loadimagepixelsrgba: corrupt or invalid alpha image %s_alpha\n", basename);
+ image_width = image_width_save;
+ image_height = image_height_save;
+ if(data2)
+ Mem_Free(data2);
+ Mem_Free(f);
+ }
+ }
+ if (developer_loading.integer)
+ Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
+ if(miplevel)
+ *miplevel = mymiplevel;
+ //if (developer_memorydebug.integer)
+ // Mem_CheckSentinelsGlobal();
+ if(allowFixtrans && r_fixtrans_auto.integer)
+ {
+ int n = fixtransparentpixels(data, image_width, image_height);
+ if(n)
+ {
+ Con_Printf("- had to fix %s (%d pixels changed)\n", name, n);
+ if(r_fixtrans_auto.integer >= 2)
+ {
+ char outfilename[MAX_QPATH], buf[MAX_QPATH];
+ Image_StripImageExtension(name, buf, sizeof(buf));
+ dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
+ Image_WriteTGABGRA(outfilename, image_width, image_height, data);
+ Con_Printf("- %s written.\n", outfilename);
+ }
+ }
+ }
+ if (convertsRGB)
+ Image_MakeLinearColorsFromsRGB(data, data, image_width * image_height);
+ return data;
+ }
+ else
+ Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
+ }
+ }
+ if (!strcasecmp(path, "gfx"))
+ {
+ unsigned char *lmpdata;
+ if ((lmpdata = W_GetLumpName(afterpath, &filesize)))
+ {
+ if (developer_loading.integer)
+ Con_Printf("loading gfx.wad lump \"%s\"\n", afterpath);
+
+ mymiplevel = miplevel ? *miplevel : 0;
+ if (!strcmp(afterpath, "conchars"))
+ {
+ // conchars is a raw image and with color 0 as transparent instead of 255
+ data = LoadConChars_BGRA(lmpdata, filesize, &mymiplevel);
+ }
+ else
+ data = LoadLMP_BGRA(lmpdata, filesize, &mymiplevel);
+ // no cleanup after looking up a wad lump - the whole gfx.wad is loaded at once
+ if (data)
+ return data;
+ Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
+ }
+ }
+
+ // check if the image name exists as an embedded pic
+ if ((data = Image_GetEmbeddedPicBGRA(basename)))
+ return data;
+
+ if (complain)
+ {
+ Con_Printf("Couldn't load %s using ", filename);
+ for (format = firstformat;format->formatstring;format++)
+ {
+ dpsnprintf (name, sizeof(name), format->formatstring, basename);
+ Con_Printf(format == firstformat ? "\"%s\"" : (format[1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), format->formatstring);
+ }
+ }
+
+ // texture loading can take a while, so make sure we're sending keepalives
+ CL_KeepaliveMessage(false);
+
+ //if (developer_memorydebug.integer)
+ // Mem_CheckSentinelsGlobal();
+
+ return NULL;
+}
+
+qbool Image_GetStockPicSize(const char *filename, int *returnwidth, int *returnheight)
+{
+ unsigned char *data;
+ fs_offset_t filesize;
+ char lmppath[MAX_QPATH];
+ if (!strcasecmp(filename, "gfx/conchars"))
+ {
+ *returnwidth = 128;
+ *returnheight = 128;
+ return true;
+ }
+
+ dpsnprintf(lmppath, sizeof(lmppath), "%s.lmp", filename);
+ data = FS_LoadFile(lmppath, tempmempool, true, &filesize);
+ if (data)
+ {
+ if (filesize > 8)
+ {
+ int w = data[0] + data[1] * 0x100 + data[2] * 0x10000 + data[3] * 0x1000000;
+ int h = data[4] + data[5] * 0x100 + data[6] * 0x10000 + data[7] * 0x1000000;
+ if (w >= 1 && w <= 32768 && h >= 1 && h <= 32768)
+ {
+ *returnwidth = w;
+ *returnheight = h;
+ Mem_Free(data);
+ return true;
+ }
+ }
+ Mem_Free(data);
+ }
+ if (!strncasecmp(filename, "gfx/", 4))
+ {
+ data = W_GetLumpName(filename + 4, &filesize);
+ if (data && filesize > 8)
+ {
+ int w = data[0] + data[1] * 0x100 + data[2] * 0x10000 + data[3] * 0x1000000;
+ int h = data[4] + data[5] * 0x100 + data[6] * 0x10000 + data[7] * 0x1000000;
+ if (w >= 1 && w <= 32768 && h >= 1 && h <= 32768)
+ {
+ *returnwidth = w;
+ *returnheight = h;
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+extern cvar_t gl_picmip;
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qbool complain, int flags, qbool allowFixtrans, qbool sRGB)
+{
+ unsigned char *data;
+ rtexture_t *rt;
+ int miplevel = R_PicmipForFlags(flags);
+ if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans, false, &miplevel)))
+ return 0;
+ rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, flags, miplevel, NULL);
+ Mem_Free(data);
+ return rt;
+}
+
+int fixtransparentpixels(unsigned char *data, int w, int h)
+{
+ int const FIXTRANS_NEEDED = 1;
+ int const FIXTRANS_HAS_L = 2;
+ int const FIXTRANS_HAS_R = 4;
+ int const FIXTRANS_HAS_U = 8;
+ int const FIXTRANS_HAS_D = 16;
+ int const FIXTRANS_FIXED = 32;
+ unsigned char *fixMask = (unsigned char *) Mem_Alloc(tempmempool, w * h);
+ int fixPixels = 0;
+ int changedPixels = 0;
+ int x, y;
+
+#define FIXTRANS_PIXEL (y*w+x)
+#define FIXTRANS_PIXEL_U (((y+h-1)%h)*w+x)
+#define FIXTRANS_PIXEL_D (((y+1)%h)*w+x)
+#define FIXTRANS_PIXEL_L (y*w+((x+w-1)%w))
+#define FIXTRANS_PIXEL_R (y*w+((x+1)%w))
+
+ memset(fixMask, 0, w * h);
+ for(y = 0; y < h; ++y)
+ for(x = 0; x < w; ++x)
+ {
+ if(data[FIXTRANS_PIXEL * 4 + 3] == 0)
+ {
+ fixMask[FIXTRANS_PIXEL] |= FIXTRANS_NEEDED;
+ ++fixPixels;
+ }
+ else
+ {
+ fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
+ fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
+ fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
+ fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
+ }
+ }
+ if(fixPixels == w * h)
+ return 0; // sorry, can't do anything about this
+ while(fixPixels)
+ {
+ for(y = 0; y < h; ++y)
+ for(x = 0; x < w; ++x)
+ if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_NEEDED)
+ {
+ unsigned int sumR = 0, sumG = 0, sumB = 0, sumA = 0, sumRA = 0, sumGA = 0, sumBA = 0, cnt = 0;
+ unsigned char r, g, b, a, r0, g0, b0;
+ if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_U)
+ {
+ r = data[FIXTRANS_PIXEL_U * 4 + 2];
+ g = data[FIXTRANS_PIXEL_U * 4 + 1];
+ b = data[FIXTRANS_PIXEL_U * 4 + 0];
+ a = data[FIXTRANS_PIXEL_U * 4 + 3];
+ sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+ }
+ if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_D)
+ {
+ r = data[FIXTRANS_PIXEL_D * 4 + 2];
+ g = data[FIXTRANS_PIXEL_D * 4 + 1];
+ b = data[FIXTRANS_PIXEL_D * 4 + 0];
+ a = data[FIXTRANS_PIXEL_D * 4 + 3];
+ sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+ }
+ if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_L)
+ {
+ r = data[FIXTRANS_PIXEL_L * 4 + 2];
+ g = data[FIXTRANS_PIXEL_L * 4 + 1];
+ b = data[FIXTRANS_PIXEL_L * 4 + 0];
+ a = data[FIXTRANS_PIXEL_L * 4 + 3];
+ sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+ }
+ if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_R)
+ {
+ r = data[FIXTRANS_PIXEL_R * 4 + 2];
+ g = data[FIXTRANS_PIXEL_R * 4 + 1];
+ b = data[FIXTRANS_PIXEL_R * 4 + 0];
+ a = data[FIXTRANS_PIXEL_R * 4 + 3];
+ sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+ }
+ if(!cnt)
+ continue;
+ r0 = data[FIXTRANS_PIXEL * 4 + 2];
+ g0 = data[FIXTRANS_PIXEL * 4 + 1];
+ b0 = data[FIXTRANS_PIXEL * 4 + 0];
+ if(sumA)
+ {
+ // there is a surrounding non-alpha pixel
+ r = (sumRA + sumA / 2) / sumA;
+ g = (sumGA + sumA / 2) / sumA;
+ b = (sumBA + sumA / 2) / sumA;
+ }
+ else
+ {
+ // need to use a "regular" average
+ r = (sumR + cnt / 2) / cnt;
+ g = (sumG + cnt / 2) / cnt;
+ b = (sumB + cnt / 2) / cnt;
+ }
+ if(r != r0 || g != g0 || b != b0)
+ ++changedPixels;
+ data[FIXTRANS_PIXEL * 4 + 2] = r;
+ data[FIXTRANS_PIXEL * 4 + 1] = g;
+ data[FIXTRANS_PIXEL * 4 + 0] = b;
+ fixMask[FIXTRANS_PIXEL] |= FIXTRANS_FIXED;
+ }
+ for(y = 0; y < h; ++y)
+ for(x = 0; x < w; ++x)
+ if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_FIXED)
+ {
+ fixMask[FIXTRANS_PIXEL] &= ~(FIXTRANS_NEEDED | FIXTRANS_FIXED);
+ fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
+ fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
+ fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
+ fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
+ --fixPixels;
+ }
+ }
+ return changedPixels;
+}
+
+void Image_FixTransparentPixels_f(cmd_state_t *cmd)
+{
+ const char *filename, *filename_pattern;
+ fssearch_t *search;
+ int i, n;
+ char outfilename[MAX_QPATH], buf[MAX_QPATH];
+ unsigned char *data;
+ if(Cmd_Argc(cmd) != 2)
+ {
+ Con_Printf("Usage: %s imagefile\n", Cmd_Argv(cmd, 0));
+ return;
+ }
+ filename_pattern = Cmd_Argv(cmd, 1);
+ search = FS_Search(filename_pattern, true, true, NULL);
+ if(!search)
+ return;
+ for(i = 0; i < search->numfilenames; ++i)
+ {
+ filename = search->filenames[i];
+ Con_Printf("Processing %s... ", filename);
+ Image_StripImageExtension(filename, buf, sizeof(buf));
+ dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
+ if(!(data = loadimagepixelsbgra(filename, true, false, false, NULL)))
+ return;
+ if((n = fixtransparentpixels(data, image_width, image_height)))
+ {
+ Image_WriteTGABGRA(outfilename, image_width, image_height, data);
+ Con_Printf("%s written (%d pixels changed).\n", outfilename, n);
+ }
+ else
+ Con_Printf("unchanged.\n");
+ Mem_Free(data);
+ }
+ FS_FreeSearch(search);
+}
+
+qbool Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data)
+{
+ qbool ret;
+ unsigned char buffer[18];
+ const void *buffers[2];
+ fs_offset_t sizes[2];
+
+ memset (buffer, 0, 18);
+ buffer[2] = 2; // uncompressed type
+ buffer[12] = (width >> 0) & 0xFF;
+ buffer[13] = (width >> 8) & 0xFF;
+ buffer[14] = (height >> 0) & 0xFF;
+ buffer[15] = (height >> 8) & 0xFF;
+ buffer[16] = 24; // pixel size
+
+ buffers[0] = buffer;
+ sizes[0] = 18;
+ buffers[1] = data;
+ sizes[1] = width*height*3;
+ ret = FS_WriteFileInBlocks(filename, buffers, sizes, 2);
+
+ return ret;
+}
+
+qbool Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
+{
+ int y;
+ unsigned char *buffer, *out;
+ const unsigned char *in, *end;
+ qbool ret;
+
+ buffer = (unsigned char *)Mem_Alloc(tempmempool, width*height*4 + 18);
+
+ memset (buffer, 0, 18);
+ buffer[2] = 2; // uncompressed type
+ buffer[12] = (width >> 0) & 0xFF;
+ buffer[13] = (width >> 8) & 0xFF;
+ buffer[14] = (height >> 0) & 0xFF;
+ buffer[15] = (height >> 8) & 0xFF;
+
+ for (y = 3;y < width*height*4;y += 4)
+ if (data[y] < 255)
+ break;
+
+ if (y < width*height*4)
+ {
+ // save the alpha channel
+ buffer[16] = 32; // pixel size
+ buffer[17] = 8; // 8 bits of alpha
+
+ // flip upside down
+ out = buffer + 18;
+ for (y = height - 1;y >= 0;y--)
+ {
+ memcpy(out, data + y * width * 4, width * 4);
+ out += width*4;
+ }
+ }
+ else
+ {
+ // save only the color channels
+ buffer[16] = 24; // pixel size
+ buffer[17] = 0; // 8 bits of alpha
+
+ // truncate bgra to bgr and flip upside down
+ out = buffer + 18;
+ for (y = height - 1;y >= 0;y--)
+ {
+ in = data + y * width * 4;
+ end = in + width * 4;
+ for (;in < end;in += 4)
+ {
+ *out++ = in[0];
+ *out++ = in[1];
+ *out++ = in[2];
+ }
+ }
+ }
+ ret = FS_WriteFile (filename, buffer, out - buffer);
+
+ Mem_Free(buffer);
+
+ return ret;
+}
+
+static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
+{
+ int j, xi, oldx = 0, f, fstep, endx, lerp;
+ fstep = (int) (inwidth*65536.0f/outwidth);
+ endx = (inwidth-1);
+ for (j = 0,f = 0;j < outwidth;j++, f += fstep)
+ {
+ xi = f >> 16;
+ if (xi != oldx)
+ {
+ in += (xi - oldx) * 4;
+ oldx = xi;
+ }
+ if (xi < endx)
+ {
+ lerp = f & 0xFFFF;
+ *out++ = (unsigned char) ((((in[4] - in[0]) * lerp) >> 16) + in[0]);
+ *out++ = (unsigned char) ((((in[5] - in[1]) * lerp) >> 16) + in[1]);
+ *out++ = (unsigned char) ((((in[6] - in[2]) * lerp) >> 16) + in[2]);
+ *out++ = (unsigned char) ((((in[7] - in[3]) * lerp) >> 16) + in[3]);
+ }
+ else // last pixel of the line has no pixel to lerp to
+ {
+ *out++ = in[0];
+ *out++ = in[1];
+ *out++ = in[2];
+ *out++ = in[3];
+ }
+ }
+}
+
+#define LERPBYTE(i) r = resamplerow1[i];out[i] = (unsigned char) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
+static void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+{
+ int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4;
+ unsigned char *out;
+ const unsigned char *inrow;
+ unsigned char *resamplerow1;
+ unsigned char *resamplerow2;
+ out = (unsigned char *)outdata;
+ fstep = (int) (inheight*65536.0f/outheight);
+
+ resamplerow1 = (unsigned char *)Mem_Alloc(tempmempool, outwidth*4*2);
+ resamplerow2 = resamplerow1 + outwidth*4;
+
+ inrow = (const unsigned char *)indata;
+ oldy = 0;
+ Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
+ Image_Resample32LerpLine (inrow + inwidth4, resamplerow2, inwidth, outwidth);
+ for (i = 0, f = 0;i < outheight;i++,f += fstep)
+ {
+ yi = f >> 16;
+ if (yi < endy)
+ {
+ lerp = f & 0xFFFF;
+ if (yi != oldy)
+ {
+ inrow = (unsigned char *)indata + inwidth4*yi;
+ if (yi == oldy+1)
+ memcpy(resamplerow1, resamplerow2, outwidth4);
+ else
+ Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
+ Image_Resample32LerpLine (inrow + inwidth4, resamplerow2, inwidth, outwidth);
+ oldy = yi;
+ }
+ j = outwidth - 4;
+ while(j >= 0)
+ {
+ LERPBYTE( 0);
+ LERPBYTE( 1);
+ LERPBYTE( 2);
+ LERPBYTE( 3);
+ LERPBYTE( 4);
+ LERPBYTE( 5);
+ LERPBYTE( 6);
+ LERPBYTE( 7);
+ LERPBYTE( 8);
+ LERPBYTE( 9);
+ LERPBYTE(10);
+ LERPBYTE(11);
+ LERPBYTE(12);
+ LERPBYTE(13);
+ LERPBYTE(14);
+ LERPBYTE(15);
+ out += 16;
+ resamplerow1 += 16;
+ resamplerow2 += 16;
+ j -= 4;
+ }
+ if (j & 2)
+ {
+ LERPBYTE( 0);
+ LERPBYTE( 1);
+ LERPBYTE( 2);
+ LERPBYTE( 3);
+ LERPBYTE( 4);
+ LERPBYTE( 5);
+ LERPBYTE( 6);
+ LERPBYTE( 7);
+ out += 8;
+ resamplerow1 += 8;
+ resamplerow2 += 8;
+ }
+ if (j & 1)
+ {
+ LERPBYTE( 0);
+ LERPBYTE( 1);
+ LERPBYTE( 2);
+ LERPBYTE( 3);
+ out += 4;
+ resamplerow1 += 4;
+ resamplerow2 += 4;
+ }
+ resamplerow1 -= outwidth4;
+ resamplerow2 -= outwidth4;
+ }
+ else
+ {
+ if (yi != oldy)
+ {
+ inrow = (unsigned char *)indata + inwidth4*yi;
+ if (yi == oldy+1)
+ memcpy(resamplerow1, resamplerow2, outwidth4);
+ else
+ Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
+ oldy = yi;
+ }
+ memcpy(out, resamplerow1, outwidth4);
+ }
+ }
+
+ Mem_Free(resamplerow1);
+ resamplerow1 = NULL;
+ resamplerow2 = NULL;
+}
+
+static void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+{
+ int i, j;
+ unsigned frac, fracstep;
+ // relies on int being 4 bytes
+ int *inrow, *out;
+ out = (int *)outdata;
+
+ fracstep = inwidth*0x10000/outwidth;
+ for (i = 0;i < outheight;i++)
+ {
+ inrow = (int *)indata + inwidth*(i*inheight/outheight);
+ frac = fracstep >> 1;
+ j = outwidth - 4;
+ while (j >= 0)
+ {
+ out[0] = inrow[frac >> 16];frac += fracstep;
+ out[1] = inrow[frac >> 16];frac += fracstep;
+ out[2] = inrow[frac >> 16];frac += fracstep;
+ out[3] = inrow[frac >> 16];frac += fracstep;
+ out += 4;
+ j -= 4;
+ }
+ if (j & 2)
+ {
+ out[0] = inrow[frac >> 16];frac += fracstep;
+ out[1] = inrow[frac >> 16];frac += fracstep;
+ out += 2;
+ }
+ if (j & 1)
+ {
+ out[0] = inrow[frac >> 16];frac += fracstep;
+ out += 1;
+ }
+ }
+}
+
+/*
+================
+Image_Resample
+================
+*/
+void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality)
+{
+ if (indepth != 1 || outdepth != 1)
+ {
+ Con_Printf ("Image_Resample: 3D resampling not supported\n");
+ return;
+ }
+ if (quality)
+ Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
+ else
+ Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
+}
+
+// in can be the same as out
+void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth)
+{
+ const unsigned char *inrow;
+ int x, y, nextrow;
+ if (*depth != 1 || destdepth != 1)
+ {
+ Con_Printf ("Image_Resample: 3D resampling not supported\n");
+ if (*width > destwidth)
+ *width >>= 1;
+ if (*height > destheight)
+ *height >>= 1;
+ if (*depth > destdepth)
+ *depth >>= 1;
+ return;
+ }
+ // note: if given odd width/height this discards the last row/column of
+ // pixels, rather than doing a proper box-filter scale down
+ inrow = in;
+ nextrow = *width * 4;
+ if (*width > destwidth)
+ {
+ *width >>= 1;
+ if (*height > destheight)
+ {
+ // reduce both
+ *height >>= 1;
+ for (y = 0;y < *height;y++, inrow += nextrow * 2)
+ {
+ for (in = inrow, x = 0;x < *width;x++)
+ {
+ out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow ] + in[nextrow+4]) >> 2);
+ out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
+ out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
+ out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
+ out += 4;
+ in += 8;
+ }
+ }
+ }
+ else
+ {
+ // reduce width
+ for (y = 0;y < *height;y++, inrow += nextrow)
+ {
+ for (in = inrow, x = 0;x < *width;x++)
+ {
+ out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
+ out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
+ out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
+ out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
+ out += 4;
+ in += 8;
+ }
+ }
+ }
+ }
+ else
+ {
+ if (*height > destheight)
+ {
+ // reduce height
+ *height >>= 1;
+ for (y = 0;y < *height;y++, inrow += nextrow * 2)
+ {
+ for (in = inrow, x = 0;x < *width;x++)
+ {
+ out[0] = (unsigned char) ((in[0] + in[nextrow ]) >> 1);
+ out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
+ out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
+ out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
+ out += 4;
+ in += 4;
+ }
+ }
+ }
+ else
+ Con_Printf ("Image_MipReduce: desired size already achieved\n");
+ }
+}
+
+void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
+{
+ int x, y, x1, x2, y1, y2;
+ const unsigned char *b, *row[3];
+ int p[5];
+ unsigned char *out;
+ float ibumpscale, n[3];
+ ibumpscale = (255.0f * 6.0f) / bumpscale;
+ out = outpixels;
+ for (y = 0, y1 = height-1;y < height;y1 = y, y++)
+ {
+ y2 = y + 1;if (y2 >= height) y2 = 0;
+ row[0] = inpixels + (y1 * width) * 4;
+ row[1] = inpixels + (y * width) * 4;
+ row[2] = inpixels + (y2 * width) * 4;
+ for (x = 0, x1 = width-1;x < width;x1 = x, x++)
+ {
+ x2 = x + 1;if (x2 >= width) x2 = 0;
+ // left, right
+ b = row[1] + x1 * 4;p[0] = (b[0] + b[1] + b[2]);
+ b = row[1] + x2 * 4;p[1] = (b[0] + b[1] + b[2]);
+ // above, below
+ b = row[0] + x * 4;p[2] = (b[0] + b[1] + b[2]);
+ b = row[2] + x * 4;p[3] = (b[0] + b[1] + b[2]);
+ // center
+ b = row[1] + x * 4;p[4] = (b[0] + b[1] + b[2]);
+ // calculate a normal from the slopes
+ n[0] = p[0] - p[1];
+ n[1] = p[3] - p[2];
+ n[2] = ibumpscale;
+ VectorNormalize(n);
+ // turn it into a dot3 rgb vector texture
+ out[2] = (int)(128.0f + n[0] * 127.0f);
+ out[1] = (int)(128.0f + n[1] * 127.0f);
+ out[0] = (int)(128.0f + n[2] * 127.0f);
+ out[3] = (p[4]) / 3;
+ out += 4;
+ }
+ }
+}
+
+
+#include "lhfont.h"
+
+static unsigned char *Image_GenerateConChars(void)
+{
+ int i;
+ unsigned char *data;
+ double random;
+
+ image_width = 256;
+ image_height = 256;
+
+ data = LoadTGA_BGRA(concharimage, sizeof(concharimage), NULL);
+ // Gold numbers
+ for (i = 0; i < 8192; i++)
+ {
+ random = lhrandom(0.0, 1.0);
+ data[i * 4 + 3] = data[i * 4 + 0];
+ data[i * 4 + 2] = 83 + (unsigned char)(random * 64);
+ data[i * 4 + 1] = 71 + (unsigned char)(random * 32);
+ data[i * 4 + 0] = 23 + (unsigned char)(random * 16);
+ }
+ // White chars
+ for (i = 8192; i < 32768; i++)
+ {
+ random = lhrandom(0.0, 1.0);
+ data[i * 4 + 3] = data[i * 4 + 0];
+ data[i * 4 + 2] = 95 + (unsigned char)(random * 64);
+ data[i * 4 + 1] = 95 + (unsigned char)(random * 64);
+ data[i * 4 + 0] = 95 + (unsigned char)(random * 64);
+ }
+ // Gold numbers
+ for (i = 32768; i < 40960; i++)
+ {
+ random = lhrandom(0.0, 1.0);
+ data[i * 4 + 3] = data[i * 4 + 0];
+ data[i * 4 + 2] = 83 + (unsigned char)(random * 64);
+ data[i * 4 + 1] = 71 + (unsigned char)(random * 32);
+ data[i * 4 + 0] = 23 + (unsigned char)(random * 16);
+ }
+ // Red chars
+ for (i = 40960; i < 65536; i++)
+ {
+ random = lhrandom(0.0, 1.0);
+ data[i * 4 + 3] = data[i * 4 + 0];
+ data[i * 4 + 2] = 96 + (unsigned char)(random * 64);
+ data[i * 4 + 1] = 43 + (unsigned char)(random * 32);
+ data[i * 4 + 0] = 27 + (unsigned char)(random * 32);
+ }
+
+#if 0
+ Image_WriteTGABGRA("gfx/generated_conchars.tga", 256, 256, data);
+#endif
+
+ return data;
+}
+
+static unsigned char *Image_GenerateDitherPattern(void)
+{
+ int x, y;
+ unsigned char *data = (unsigned char *)Mem_Alloc(tempmempool, 8 * 8 * 4);
+ image_width = 8;
+ image_height = 8;
+ for (y = 0; y < 8; y++)
+ {
+ for (x = 0; x < 8; x++)
+ {
+ data[(y * 8 + x) * 4 + 0] = ((x^y) & 4) ? 255 : 0;
+ data[(y * 8 + x) * 4 + 1] = ((x^y) & 4) ? 255 : 0;
+ data[(y * 8 + x) * 4 + 2] = ((x^y) & 4) ? 255 : 0;
+ data[(y * 8 + x) * 4 + 3] = 255;
+ }
+ }
+ return data;
+}
+
+// also used in R_SkinFrame code
+unsigned char *Image_GenerateNoTexture(void)
+{
+ int x, y;
+ unsigned char *data = (unsigned char *)Mem_Alloc(tempmempool, 16 * 16 * 4);
+ image_width = 16;
+ image_height = 16;
+ // this makes a light grey/dark grey checkerboard texture
+ for (y = 0; y < 16; y++)
+ {
+ for (x = 0; x < 16; x++)
+ {
+ data[(y * 16 + x) * 4 + 0] =
+ data[(y * 16 + x) * 4 + 1] =
+ data[(y * 16 + x) * 4 + 2] = (y < 8) ^ (x < 8) ? 128 : 64;
+ data[(y * 16 + x) * 4 + 3] = 255;
+ }
+ }
+ return data;
+}
+
+static unsigned char *Image_GenerateWhite(void)
+{
+ unsigned char *data = (unsigned char *)Mem_Alloc(tempmempool, 1 * 1 * 4);
+ image_width = 1;
+ image_height = 1;
+ data[0] = data[1] = data[2] = data[3] = 255;
+ return data;
+}
+
+typedef struct embeddedpic_s
+{
+const char *name;
+int width;
+int height;
+const char *pixels;
+}
+embeddedpic_t;
+
+static const embeddedpic_t embeddedpics[] =
+{
+ {
+ "gfx/prydoncursor001", 16, 16,
+ "477777774......."
+ "77.....6........"
+ "7.....6........."
+ "7....6.........."
+ "7.....6........."
+ "7..6...6........"
+ "7.6.6...6......."
+ "76...6...6......"
+ "4.....6.6......."
+ ".......6........"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ },
+ {
+ "ui/mousepointer", 16, 16,
+ "477777774......."
+ "77.....6........"
+ "7.....6........."
+ "7....6.........."
+ "7.....6........."
+ "7..6...6........"
+ "7.6.6...6......."
+ "76...6...6......"
+ "4.....6.6......."
+ ".......6........"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ },
+ {
+ "gfx/crosshair1", 16, 16,
+ "................"
+ "................"
+ "................"
+ "...33......33..."
+ "...355....553..."
+ "....577..775...."
+ ".....77..77....."
+ "................"
+ "................"
+ ".....77..77....."
+ "....577..775...."
+ "...355....553..."
+ "...33......33..."
+ "................"
+ "................"
+ "................"
+ },
+ {
+ "gfx/crosshair2", 16, 16,
+ "................"
+ "................"
+ "................"
+ "...3........3..."
+ "....5......5...."
+ ".....7....7....."
+ "......7..7......"
+ "................"
+ "................"
+ "......7..7......"
+ ".....7....7....."
+ "....5......5...."
+ "...3........3..."
+ "................"
+ "................"
+ "................"
+ },
+ {
+ "gfx/crosshair3", 16, 16,
+ "................"
+ ".......77......."
+ ".......77......."
+ "................"
+ "................"
+ ".......44......."
+ ".......44......."
+ ".77..44..44..77."
+ ".77..44..44..77."
+ ".......44......."
+ ".......44......."
+ "................"
+ "................"
+ ".......77......."
+ ".......77......."
+ "................"
+ },
+ {
+ "gfx/crosshair4", 16, 16,
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ "................"
+ "........7777777."
+ "........752....."
+ "........72......"
+ "........7......."
+ "........7......."
+ "........7......."
+ "........7......."
+ "................"
+ },
+ {
+ "gfx/crosshair5", 8, 8,
+ "........"
+ "........"
+ "....7..."
+ "........"
+ "..7.7.7."
+ "........"
+ "....7..."
+ "........"
+ },
+ {
+ "gfx/crosshair6", 2, 2,
+ "77"
+ "77"
+ },
+ {
+ "gfx/crosshair7", 16, 16,
+ "................"
+ ".3............3."
+ "..5...2332...5.."
+ "...7.3....3.7..."
+ "....7......7...."
+ "...3.7....7.3..."
+ "..2...7..7...2.."
+ "..3..........3.."
+ "..3..........3.."
+ "..2...7..7...2.."
+ "...3.7....7.3..."
+ "....7......7...."
+ "...7.3....3.7..."
+ "..5...2332...5.."
+ ".3............3."
+ "................"
+ },
+ { NULL, 0, 0, NULL }
+};
+
+unsigned char *Image_GetEmbeddedPicBGRA(const char *name)
+{
+ const embeddedpic_t *p;
+ for (p = embeddedpics; p->name; p++)
+ {
+ if (!strcmp(name, p->name))
+ {
+ int i;
+ unsigned char *data = (unsigned char *)Mem_Alloc(tempmempool, p->width * p->height * 4);
+ image_width = p->width;
+ image_height = p->height;
+ for (i = 0; i < p->width * p->height; i++)
+ {
+ const unsigned char *c = (const unsigned char *)palette_bgra_embeddedpic + 4 * p->pixels[i];
+ Vector4Copy(c, data + 4 * i);
+ }
+ return data;
+ }
+ }
+ if (!strcmp(name, "white") || !strcmp(name, "#white") || !strcmp(name, "*white") || !strcmp(name, "$whiteimage"))
+ return Image_GenerateWhite();
+ if (!strcmp(name, "gfx/conchars"))
+ return Image_GenerateConChars();
+ if (!strcmp(name, "gfx/colorcontrol/ditherpattern"))
+ return Image_GenerateDitherPattern();
+ return NULL;