+#define SKINFRAME_HASH 1024
+
+struct
+{
+ int loadsequence; // incremented each level change
+ memexpandablearray_t array;
+ skinframe_t *hash[SKINFRAME_HASH];
+}
+r_skinframe;
+
+void R_SkinFrame_PrepareForPurge(void)
+{
+ r_skinframe.loadsequence++;
+ // wrap it without hitting zero
+ if (r_skinframe.loadsequence >= 200)
+ r_skinframe.loadsequence = 1;
+}
+
+void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
+{
+ // mark the skinframe as used for the purging code
+ skinframe->loadsequence = r_skinframe.loadsequence;
+}
+
+void R_SkinFrame_Purge(void)
+{
+ int i;
+ skinframe_t *s;
+ for (i = 0;i < SKINFRAME_HASH;i++)
+ {
+ for (s = r_skinframe.hash[i];s;s = s->next)
+ {
+ if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
+ {
+ if (s->base == r_texture_notexture) s->base = NULL;
+ if (s->nmap == r_texture_blanknormalmap)s->nmap = NULL;
+ if (s->merged == s->base) s->merged = NULL;
+ if (s->stain ) R_FreeTexture(s->stain );s->stain = NULL;
+ if (s->merged) R_FreeTexture(s->merged);s->merged = NULL;
+ if (s->base ) R_FreeTexture(s->base );s->base = NULL;
+ if (s->pants ) R_FreeTexture(s->pants );s->pants = NULL;
+ if (s->shirt ) R_FreeTexture(s->shirt );s->shirt = NULL;
+ if (s->nmap ) R_FreeTexture(s->nmap );s->nmap = NULL;
+ if (s->gloss ) R_FreeTexture(s->gloss );s->gloss = NULL;
+ if (s->glow ) R_FreeTexture(s->glow );s->glow = NULL;
+ if (s->fog ) R_FreeTexture(s->fog );s->fog = NULL;
+ s->loadsequence = 0;
+ }
+ }
+ }
+}
+
+skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
+{
+ skinframe_t *item;
+ int hashindex;
+ char basename[MAX_QPATH];
+
+ Image_StripImageExtension(name, basename, sizeof(basename));
+
+ hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
+ for (item = r_skinframe.hash[hashindex];item;item = item->next)
+ if (!strcmp(item->basename, basename) && item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)
+ break;
+ if (!item)
+ {
+ if (!add)
+ return NULL;
+ item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
+ memset(item, 0, sizeof(*item));
+ strlcpy(item->basename, basename, sizeof(item->basename));
+ item->textureflags = textureflags;
+ item->comparewidth = comparewidth;
+ item->compareheight = compareheight;
+ item->comparecrc = comparecrc;
+ item->next = r_skinframe.hash[hashindex];
+ r_skinframe.hash[hashindex] = item;
+ }
+ R_SkinFrame_MarkUsed(item);
+ return item;
+}
+
+skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags)
+{
+ // FIXME: it should be possible to disable loading various layers using
+ // cvars, to prevent wasted loading time and memory usage if the user does
+ // not want them
+ qboolean loadnormalmap = true;
+ qboolean loadgloss = true;
+ qboolean loadpantsandshirt = true;
+ qboolean loadglow = true;
+ int j;
+ unsigned char *pixels;
+ unsigned char *bumppixels;
+ unsigned char *basepixels = NULL;
+ int basepixels_width;
+ int basepixels_height;
+ skinframe_t *skinframe;
+
+ if (cls.state == ca_dedicated)
+ return NULL;
+
+ // return an existing skinframe if already loaded
+ // if loading of the first image fails, don't make a new skinframe as it
+ // would cause all future lookups of this to be missing
+ skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
+ if (skinframe && skinframe->base)
+ return skinframe;
+
+ basepixels = loadimagepixels(name, false, 0, 0);
+ if (basepixels == NULL)
+ return NULL;
+
+ // we've got some pixels to store, so really allocate this new texture now
+ if (!skinframe)
+ skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
+ skinframe->stain = NULL;
+ skinframe->merged = NULL;
+ skinframe->base = r_texture_notexture;
+ skinframe->pants = NULL;
+ skinframe->shirt = NULL;
+ skinframe->nmap = r_texture_blanknormalmap;
+ skinframe->gloss = NULL;
+ skinframe->glow = NULL;
+ skinframe->fog = NULL;
+
+ basepixels_width = image_width;
+ basepixels_height = image_height;
+ skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+
+ if (textureflags & TEXF_ALPHA)
+ {
+ for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
+ if (basepixels[j] < 255)
+ break;
+ if (j < basepixels_width * basepixels_height * 4)
+ {
+ // has transparent pixels
+ pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+ for (j = 0;j < image_width * image_height * 4;j += 4)
+ {
+ pixels[j+0] = 255;
+ pixels[j+1] = 255;
+ pixels[j+2] = 255;
+ pixels[j+3] = basepixels[j+3];
+ }
+ skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+ Mem_Free(pixels);
+ }
+ }
+
+ // _norm is the name used by tenebrae and has been adopted as standard
+ if (loadnormalmap)
+ {
+ if ((pixels = loadimagepixels(va("%s_norm", skinframe->basename), false, 0, 0)) != NULL)
+ {
+ skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+ Mem_Free(pixels);
+ pixels = NULL;
+ }
+ else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixels(va("%s_bump", skinframe->basename), false, 0, 0)) != NULL)
+ {
+ pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+ Image_HeightmapToNormalmap(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
+ skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+ Mem_Free(pixels);
+ Mem_Free(bumppixels);
+ }
+ else if (r_shadow_bumpscale_basetexture.value > 0)
+ {
+ pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
+ Image_HeightmapToNormalmap(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
+ skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+ Mem_Free(pixels);
+ }
+ }
+ // _luma is supported for tenebrae compatibility
+ // (I think it's a very stupid name, but oh well)
+ // _glow is the preferred name
+ if (loadglow && ((pixels = loadimagepixels(va("%s_glow", skinframe->basename), false, 0, 0)) != NULL || (pixels = loadimagepixels(va("%s_luma", skinframe->basename), false, 0, 0)) != NULL)) {skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+ if (loadgloss && (pixels = loadimagepixels(va("%s_gloss", skinframe->basename), false, 0, 0)) != NULL) {skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+ if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_pants", skinframe->basename), false, 0, 0)) != NULL) {skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+ if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_shirt", skinframe->basename), false, 0, 0)) != NULL) {skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+
+ if (basepixels)
+ Mem_Free(basepixels);
+
+ return skinframe;
+}
+
+static rtexture_t *R_SkinFrame_TextureForSkinLayer(const unsigned char *in, int width, int height, const char *name, const unsigned int *palette, int textureflags, qboolean force)
+{
+ int i;
+ if (!force)
+ {
+ for (i = 0;i < width*height;i++)
+ if (((unsigned char *)&palette[in[i]])[3] > 0)
+ break;
+ if (i == width*height)
+ return NULL;
+ }
+ return R_LoadTexture2D (r_main_texturepool, name, width, height, in, TEXTYPE_PALETTE, textureflags, palette);
+}
+
+skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height, int bitsperpixel, const unsigned int *palette, const unsigned int *alphapalette)
+{
+ int i;
+ unsigned char *temp1, *temp2;
+ skinframe_t *skinframe;
+
+ if (cls.state == ca_dedicated)
+ return NULL;
+
+ // if already loaded just return it, otherwise make a new skinframe
+ skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height*bitsperpixel/8) : 0, true);
+ if (skinframe && skinframe->base)
+ return skinframe;
+
+ skinframe->stain = NULL;
+ skinframe->merged = NULL;
+ skinframe->base = r_texture_notexture;
+ skinframe->pants = NULL;
+ skinframe->shirt = NULL;
+ skinframe->nmap = r_texture_blanknormalmap;
+ skinframe->gloss = NULL;
+ skinframe->glow = NULL;
+ skinframe->fog = NULL;
+
+ // if no data was provided, then clearly the caller wanted to get a blank skinframe
+ if (!skindata)
+ return NULL;
+
+ if (bitsperpixel == 32)
+ {
+ if (r_shadow_bumpscale_basetexture.value > 0)
+ {
+ temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
+ temp2 = temp1 + width * height * 4;
+ Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+ skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
+ Mem_Free(temp1);
+ }
+ skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_RGBA, textureflags, NULL);
+ if (textureflags & TEXF_ALPHA)
+ {
+ for (i = 3;i < width * height * 4;i += 4)
+ if (skindata[i] < 255)
+ break;
+ if (i < width * height * 4)
+ {
+ unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
+ memcpy(fogpixels, skindata, width * height * 4);
+ for (i = 0;i < width * height * 4;i += 4)
+ fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
+ skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_RGBA, textureflags, NULL);
+ Mem_Free(fogpixels);
+ }
+ }
+ }
+ else if (bitsperpixel == 8)
+ {
+ if (r_shadow_bumpscale_basetexture.value > 0)
+ {
+ temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
+ temp2 = temp1 + width * height * 4;
+ if (bitsperpixel == 32)
+ Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+ else
+ {
+ // use either a custom palette or the quake palette
+ Image_Copy8bitRGBA(skindata, temp1, width * height, palette ? palette : palette_complete);
+ Image_HeightmapToNormalmap(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
+ }
+ skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
+ Mem_Free(temp1);
+ }
+ // use either a custom palette, or the quake palette
+ skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_merged", skinframe->basename), palette ? palette : (loadglowtexture ? palette_nofullbrights : ((textureflags & TEXF_ALPHA) ? palette_transparent : palette_complete)), textureflags, true); // all
+ if (!palette && loadglowtexture)
+ skinframe->glow = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_glow", skinframe->basename), palette_onlyfullbrights, textureflags, false); // glow
+ if (!palette && loadpantsandshirt)
+ {
+ skinframe->pants = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_pants", skinframe->basename), palette_pantsaswhite, textureflags, false); // pants
+ skinframe->shirt = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_shirt", skinframe->basename), palette_shirtaswhite, textureflags, false); // shirt
+ }
+ if (skinframe->pants || skinframe->shirt)
+ skinframe->base = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", skinframe->basename),loadglowtexture ? palette_nocolormapnofullbrights : palette_nocolormap, textureflags, false); // no special colors
+ if (textureflags & TEXF_ALPHA)
+ {
+ // if not using a custom alphapalette, use the quake one
+ if (!alphapalette)
+ alphapalette = palette_alpha;
+ for (i = 0;i < width * height;i++)
+ if (((unsigned char *)alphapalette)[skindata[i]*4+3] < 255)
+ break;
+ if (i < width * height)
+ skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), alphapalette, textureflags, true); // fog mask
+ }
+ }
+
+ return skinframe;
+}
+
+skinframe_t *R_SkinFrame_LoadMissing(void)
+{
+ skinframe_t *skinframe;
+
+ if (cls.state == ca_dedicated)
+ return NULL;
+
+ skinframe = R_SkinFrame_Find("missing", TEXF_PRECACHE, 0, 0, 0, true);
+ skinframe->stain = NULL;
+ skinframe->merged = NULL;
+ skinframe->base = r_texture_notexture;
+ skinframe->pants = NULL;
+ skinframe->shirt = NULL;
+ skinframe->nmap = r_texture_blanknormalmap;
+ skinframe->gloss = NULL;
+ skinframe->glow = NULL;
+ skinframe->fog = NULL;
+
+ return skinframe;
+}
+
projects / xonotic / darkplaces.git / commitdiff