]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - image.c
Configure all of the CL_MeshEntities* meshes the same, the material flags decide...
[xonotic/darkplaces.git] / image.c
diff --git a/image.c b/image.c
index e35dd33df11b34fadb5c7592646c145ed1ce6954..1f15a2fce253d4d330d7edb1e05d5935d800222d 100644 (file)
--- a/image.c
+++ b/image.c
@@ -8,7 +8,7 @@
 int            image_width;
 int            image_height;
 
-void Image_CopyAlphaFromBlueBGRA(unsigned char *outpixels, const unsigned char *inpixels, int w, int h)
+static void Image_CopyAlphaFromBlueBGRA(unsigned char *outpixels, const unsigned char *inpixels, int w, int h)
 {
        int i, n;
        n = w * h;
@@ -189,7 +189,7 @@ typedef struct pcx_s
 LoadPCX
 ============
 */
-unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize, int *miplevel)
+static unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize, int *miplevel)
 {
        pcx_t pcx;
        unsigned char *a, *b, *image_buffer, *pbuf;
@@ -354,6 +354,19 @@ qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pix
        return true;
 }
 
+/*
+============
+LoadPCX
+============
+*/
+qboolean LoadPCX_PaletteOnly(const unsigned char *f, int filesize, unsigned char *palette768b)
+{
+       if (filesize < 768)
+               return false;
+       memcpy(palette768b, f + filesize - 768, 768);
+       return true;
+}
+
 /*
 =========================================================
 
@@ -372,7 +385,7 @@ typedef struct _TargaHeader
 }
 TargaHeader;
 
-void PrintTargaHeader(TargaHeader *t)
+static void PrintTargaHeader(TargaHeader *t)
 {
        Con_Printf("TargaHeader:\nuint8 id_length = %i;\nuint8 colormap_type = %i;\nuint8 image_type = %i;\nuint16 colormap_index = %i;\nuint16 colormap_length = %i;\nuint8 colormap_size = %i;\nuint16 x_origin = %i;\nuint16 y_origin = %i;\nuint16 width = %i;\nuint16 height = %i;\nuint8 pixel_size = %i;\nuint8 attributes = %i;\n", t->id_length, t->colormap_type, t->image_type, t->colormap_index, t->colormap_length, t->colormap_size, t->x_origin, t->y_origin, t->width, t->height, t->pixel_size, t->attributes);
 }
@@ -423,6 +436,8 @@ unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel
                return NULL;
        }
 
+       memset(palettei, 0, sizeof(palettei));
+
        // advance to end of header
        fin = f + 18;
 
@@ -537,8 +552,6 @@ unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel
                row_inci = 0;
        }
 
-       x = 0;
-       y = 0;
        pix_inc = 1;
        if ((targa_header.image_type & ~8) == 2)
                pix_inc = (targa_header.pixel_size + 7) / 8;
@@ -746,7 +759,7 @@ typedef struct q2wal_s
        int                     value;
 } q2wal_t;
 
-unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize, int *miplevel)
+static unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize, int *miplevel)
 {
        unsigned char *image_buffer;
        const q2wal_t *inwal = (const q2wal_t *)f;
@@ -765,7 +778,7 @@ unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize, int *miplevel
                return NULL;
        }
 
-       if (filesize < (int) sizeof(q2wal_t) + (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
+       if (filesize < (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
        {
                Con_Print("LoadWAL: invalid WAL file\n");
                return NULL;
@@ -777,10 +790,50 @@ unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize, int *miplevel
                Con_Printf("LoadWAL: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
        }
-       Image_Copy8bitBGRA(f + LittleLong(inwal->offsets[0]), image_buffer, image_width * image_height, palette_bgra_complete);
+       Image_Copy8bitBGRA(f + LittleLong(inwal->offsets[0]), image_buffer, image_width * image_height, q2palette_bgra_complete);
        return image_buffer;
 }
 
+qboolean LoadWAL_GetMetadata(const unsigned char *f, int filesize, int *retwidth, int *retheight, int *retflags, int *retvalue, int *retcontents, char *retanimname32c)
+{
+       const q2wal_t *inwal = (const q2wal_t *)f;
+
+       if (filesize < (int) sizeof(q2wal_t))
+       {
+               Con_Print("LoadWAL: invalid WAL file\n");
+               if (retwidth)
+                       *retwidth = 16;
+               if (retheight)
+                       *retheight = 16;
+               if (retflags)
+                       *retflags = 0;
+               if (retvalue)
+                       *retvalue = 0;
+               if (retcontents)
+                       *retcontents = 0;
+               if (retanimname32c)
+                       memset(retanimname32c, 0, 32);
+               return false;
+       }
+
+       if (retwidth)
+               *retwidth = LittleLong(inwal->width);
+       if (retheight)
+               *retheight = LittleLong(inwal->height);
+       if (retflags)
+               *retflags = LittleLong(inwal->flags);
+       if (retvalue)
+               *retvalue = LittleLong(inwal->value);
+       if (retcontents)
+               *retcontents = LittleLong(inwal->contents);
+       if (retanimname32c)
+       {
+               memcpy(retanimname32c, inwal->animname, 32);
+               retanimname32c[31] = 0;
+       }
+       return true;
+}
+
 
 void Image_StripImageExtension (const char *in, char *out, size_t size_out)
 {
@@ -790,13 +843,14 @@ void Image_StripImageExtension (const char *in, char *out, size_t size_out)
                return;
 
        ext = FS_FileExtension(in);
-       if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg")))
+       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)
 {
@@ -804,7 +858,7 @@ void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pi
        // 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] = i < 11 ? (int)(i / 12.92f) : (int)(pow((i/256.0f + 0.055f)/1.0555f, 2.4f)*256.0f);
+                       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]];
@@ -814,6 +868,22 @@ void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pi
        }
 }
 
+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;
@@ -899,6 +969,7 @@ unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qbo
        imageformat_t *firstformat, *format;
        unsigned char *f, *data = NULL, *data2 = NULL;
        char basename[MAX_QPATH], name[MAX_QPATH], name2[MAX_QPATH], *c;
+       char vabuf[1024];
        //if (developer_memorydebug.integer)
        //      Mem_CheckSentinelsGlobal();
        if (developer_texturelogging.integer)
@@ -936,23 +1007,31 @@ unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qbo
                if (f)
                {
                        int 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("%s_alpha", basename));
+                                       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(mymiplevel != mymiplevel2)
-                                                       Host_Error("loadimagepixelsbgra: miplevels differ");
+                                               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);
-                                               Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
-                                               Mem_Free(data2);
                                        }
                                }
                                if (developer_loading.integer)
@@ -1288,7 +1367,7 @@ static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *ou
 }
 
 #define LERPBYTE(i) r = resamplerow1[i];out[i] = (unsigned char) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
-void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+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;
@@ -1392,7 +1471,7 @@ void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *o
        resamplerow2 = NULL;
 }
 
-void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+static void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
 {
        int i, j;
        unsigned frac, fracstep;