}
-static void Image_StripImageExtension (const char *in, char *out, size_t size_out)
+void Image_StripImageExtension (const char *in, char *out, size_t size_out)
{
- const char *end, *temp;
+ const char *ext;
if (size_out == 0)
return;
- end = in + strlen(in);
- if ((end - in) >= 4)
- {
- temp = end - 4;
- 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 && size_out > 1)
- {
- *out++ = *in++;
- size_out--;
- }
- *out++ = 0;
- }
+ ext = FS_FileExtension(in);
+ if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg")))
+ FS_StripExtension(in, out, size_out);
else
strlcpy(out, in, size_out);
}
firstformat = imageformats_textures;
else if (!strcasecmp(name, "gfx"))
firstformat = imageformats_gfx;
- else if (!strchr(name, '/'))
+ else if (!strchr(basename, '/'))
firstformat = imageformats_nopath;
else
firstformat = imageformats_other;
Mem_CheckSentinelsGlobal();
return data;
}
+ else
+ {
+ if (developer.integer >= 1)
+ Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
+ }
}
}
if (complain)
buffer[13] = (width >> 8) & 0xFF;
buffer[14] = (height >> 0) & 0xFF;
buffer[15] = (height >> 8) & 0xFF;
- buffer[16] = 32; // pixel size
- buffer[17] = 8; // 8 bits of alpha
- // swap rgba to bgra and flip upside down
- out = buffer + 18;
- for (y = height - 1;y >= 0;y--)
+ for (y = 3;y < width*height*4;y += 4)
+ if (data[y] < 255)
+ break;
+
+ if (y < width*height*4)
{
- in = data + y * width * 4;
- end = in + width * 4;
- for (;in < end;in += 4)
+ // save the alpha channel
+ buffer[16] = 32; // pixel size
+ buffer[17] = 8; // 8 bits of alpha
+
+ // swap rgba to bgra and flip upside down
+ out = buffer + 18;
+ for (y = height - 1;y >= 0;y--)
{
- *out++ = in[2];
- *out++ = in[1];
- *out++ = in[0];
- *out++ = in[3];
+ in = data + y * width * 4;
+ end = in + width * 4;
+ for (;in < end;in += 4)
+ {
+ *out++ = in[2];
+ *out++ = in[1];
+ *out++ = in[0];
+ *out++ = in[3];
+ }
+ }
+ FS_WriteFile (filename, buffer, width*height*4 + 18 );
+ }
+ else
+ {
+ // save only the color channels
+ buffer[16] = 24; // pixel size
+ buffer[17] = 0; // 8 bits of alpha
+
+ // swap rgba 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[2];
+ *out++ = in[1];
+ *out++ = in[0];
+ }
}
+ FS_WriteFile (filename, buffer, width*height*3 + 18 );
}
- FS_WriteFile (filename, buffer, width*height*4 + 18 );
Mem_Free(buffer);
}
void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
{
- int x, y;
- const unsigned char *p0, *p1, *p2;
+ int x, y, x1, x2, y1, y2;
+ const unsigned char *b, *row[3];
+ int p[5];
unsigned char *out;
float iwidth, iheight, ibumpscale, n[3];
iwidth = 1.0f / width;
iheight = 1.0f / height;
- ibumpscale = (255.0f * 3.0f) / bumpscale;
+ ibumpscale = (255.0f * 6.0f) / bumpscale;
out = outpixels;
- for (y = 0;y < height;y++)
+ for (y = 0, y1 = height-1;y < height;y1 = y, y++)
{
- for (x = 0;x < width;x++)
+ 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++)
{
- p0 = inpixels + (y * width + x) * 4;
- if (x == width - 1)
- {
- if (clamp)
- p1 = inpixels + (y * width + x) * 4;
- else
- p1 = inpixels + (y * width) * 4;
- }
- else
- p1 = inpixels + (y * width + x + 1) * 4;
- if (y == height - 1)
- {
- if (clamp)
- p2 = inpixels + (y * width + x) * 4;
- else
- p2 = inpixels + x * 4;
- }
- else
- p2 = inpixels + ((y + 1) * width + x) * 4;
- /*
- dv[0][0] = iwidth;
- dv[0][1] = 0;
- 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);
- n[0] = dv[0][1]*dv[1][2]-dv[0][2]*dv[1][1];
- 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[1] = ((p2[0] + p2[1] + p2[2]) - (p0[0] + p0[1] + p0[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] = ((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]));
+ 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[0] = (int)(128.0f + n[0] * 127.0f);
out[1] = (int)(128.0f + n[1] * 127.0f);
out[2] = (int)(128.0f + n[2] * 127.0f);
- out[3] = (p0[0] + p0[1] + p0[2]) / 3;
+ out[3] = (p[4]) / 3;
out += 4;
}
}
}
-
-int image_loadskin(imageskin_t *s, const char *shadername)
-{
- int j;
- unsigned char *bumppixels;
- int bumppixels_width, bumppixels_height;
- char name[MAX_QPATH];
- Image_StripImageExtension(shadername, name, sizeof(name));
- memset(s, 0, sizeof(*s));
- s->basepixels = loadimagepixels(name, false, 0, 0);
- if (s->basepixels == NULL)
- return false;
- s->basepixels_width = image_width;
- s->basepixels_height = image_height;
-
- bumppixels = NULL;bumppixels_width = 0;bumppixels_height = 0;
- for (j = 3;j < s->basepixels_width * s->basepixels_height * 4;j += 4)
- if (s->basepixels[j] < 255)
- break;
- if (j < s->basepixels_width * s->basepixels_height * 4)
- {
- // has transparent pixels
- s->maskpixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, s->basepixels_width * s->basepixels_height * 4);
- s->maskpixels_width = s->basepixels_width;
- s->maskpixels_height = s->basepixels_height;
- memcpy(s->maskpixels, s->basepixels, s->maskpixels_width * s->maskpixels_height * 4);
- for (j = 0;j < s->basepixels_width * s->basepixels_height * 4;j += 4)
- {
- s->maskpixels[j+0] = 255;
- s->maskpixels[j+1] = 255;
- s->maskpixels[j+2] = 255;
- }
- }
-
- // _luma is supported for tenebrae compatibility
- // (I think it's a very stupid name, but oh well)
- if ((s->glowpixels = loadimagepixels(va("%s_glow", name), false, 0, 0)) != NULL
- || (s->glowpixels = loadimagepixels(va("%s_luma", name), false, 0, 0)) != NULL)
- {
- s->glowpixels_width = image_width;
- s->glowpixels_height = image_height;
- }
- // _norm is the name used by tenebrae
- // (I don't like the name much)
- if ((s->nmappixels = loadimagepixels(va("%s_norm", name), false, 0, 0)) != NULL)
- {
- s->nmappixels_width = image_width;
- s->nmappixels_height = image_height;
- }
- else if ((bumppixels = loadimagepixels(va("%s_bump", name), false, 0, 0)) != NULL)
- {
- bumppixels_width = image_width;
- bumppixels_height = image_height;
- }
- if ((s->glosspixels = loadimagepixels(va("%s_gloss", name), false, 0, 0)) != NULL)
- {
- s->glosspixels_width = image_width;
- s->glosspixels_height = image_height;
- }
- if ((s->pantspixels = loadimagepixels(va("%s_pants", name), false, 0, 0)) != NULL)
- {
- s->pantspixels_width = image_width;
- s->pantspixels_height = image_height;
- }
- if ((s->shirtpixels = loadimagepixels(va("%s_shirt", name), false, 0, 0)) != NULL)
- {
- s->shirtpixels_width = image_width;
- s->shirtpixels_height = image_height;
- }
-
- if (s->nmappixels == NULL)
- {
- if (bumppixels != NULL)
- {
- if (r_shadow_bumpscale_bumpmap.value > 0)
- {
- s->nmappixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, bumppixels_width * bumppixels_height * 4);
- s->nmappixels_width = bumppixels_width;
- s->nmappixels_height = bumppixels_height;
- Image_HeightmapToNormalmap(bumppixels, s->nmappixels, s->nmappixels_width, s->nmappixels_height, false, r_shadow_bumpscale_bumpmap.value);
- }
- }
- else
- {
- if (r_shadow_bumpscale_basetexture.value > 0)
- {
- s->nmappixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, s->basepixels_width * s->basepixels_height * 4);
- s->nmappixels_width = s->basepixels_width;
- s->nmappixels_height = s->basepixels_height;
- Image_HeightmapToNormalmap(s->basepixels, s->nmappixels, s->nmappixels_width, s->nmappixels_height, false, r_shadow_bumpscale_basetexture.value);
- }
- }
- }
- if (bumppixels != NULL)
- Mem_Free(bumppixels);
- return true;
-}
-
-void image_freeskin(imageskin_t *s)
-{
- if (s->basepixels)
- Mem_Free(s->basepixels);
- if (s->maskpixels)
- Mem_Free(s->maskpixels);
- if (s->nmappixels)
- Mem_Free(s->nmappixels);
- if (s->glowpixels)
- Mem_Free(s->glowpixels);
- if (s->glosspixels)
- Mem_Free(s->glosspixels);
- if (s->pantspixels)
- Mem_Free(s->pantspixels);
- if (s->shirtpixels)
- Mem_Free(s->shirtpixels);
- memset(s, 0, sizeof(*s));
-}
-