]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - image.c
changed some prints to dprints
[xonotic/darkplaces.git] / image.c
diff --git a/image.c b/image.c
index 1bc4a85d91ed4d0b9e560404023a7fa2d682a35d..2624544f1f30200b70e436e5127619df6f887d80 100644 (file)
--- a/image.c
+++ b/image.c
@@ -712,11 +712,6 @@ unsigned char *LoadLMP (const unsigned char *f, int filesize, int matchwidth, in
        return image_buffer;
 }
 
-static unsigned char *LoadLMPRGBA (const unsigned char *f, int filesize, int matchwidth, int matchheight)
-{
-       return LoadLMP(f, filesize, matchwidth, matchheight, false);
-}
-
 
 typedef struct q2wal_s
 {
@@ -767,9 +762,13 @@ unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, in
 }
 
 
-void Image_StripImageExtension (const char *in, char *out)
+static void Image_StripImageExtension (const char *in, char *out, size_t size_out)
 {
        const char *end, *temp;
+
+       if (size_out == 0)
+               return;
+
        end = in + strlen(in);
        if ((end - in) >= 4)
        {
@@ -780,12 +779,15 @@ void Image_StripImageExtension (const char *in, char *out)
                 || strcmp(temp, ".png") == 0
                 || strcmp(temp, ".jpg") == 0)
                        end = temp;
-               while (in < end)
+               while (in < end && size_out > 1)
+               {
                        *out++ = *in++;
+                       size_out--;
+               }
                *out++ = 0;
        }
        else
-               strcpy(out, in);
+               strlcpy(out, in, size_out);
 }
 
 typedef struct imageformat_s
@@ -801,17 +803,22 @@ imageformat_t imageformats_tenebrae[] =
        {"override/%s.tga", LoadTGA},
        {"override/%s.png", PNG_LoadImage},
        {"override/%s.jpg", JPEG_LoadImage},
+       {"override/%s.pcx", LoadPCX},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_nopath[] =
 {
+       {"override/%s.tga", LoadTGA},
+       {"override/%s.png", PNG_LoadImage},
+       {"override/%s.jpg", JPEG_LoadImage},
        {"textures/%s.tga", LoadTGA},
        {"textures/%s.png", PNG_LoadImage},
        {"textures/%s.jpg", JPEG_LoadImage},
        {"%s.tga", LoadTGA},
        {"%s.png", PNG_LoadImage},
        {"%s.jpg", JPEG_LoadImage},
+       {"%s.pcx", LoadPCX},
        {NULL, NULL}
 };
 
@@ -831,7 +838,6 @@ imageformat_t imageformats_gfx[] =
        {"%s.png", PNG_LoadImage},
        {"%s.jpg", JPEG_LoadImage},
        {"%s.pcx", LoadPCX},
-       {"%s.lmp", LoadLMPRGBA},
        {NULL, NULL}
 };
 
@@ -854,8 +860,7 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                Mem_CheckSentinelsGlobal();
        if (developer_texturelogging.integer)
                Log_Printf("textures.log", "%s\n", filename);
-       strlcpy(basename, filename, sizeof(basename));
-       Image_StripImageExtension(basename, basename); // strip filename extensions to allow replacement by other types
+       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 == '*')
@@ -895,6 +900,11 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                                        Mem_CheckSentinelsGlobal();
                                return data;
                        }
+                       else
+                       {
+                               if (developer.integer >= 1)
+                                       Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
+                       }
                }
        }
        if (complain)
@@ -1353,6 +1363,7 @@ void Image_Resample (const void *indata, int inwidth, int inheight, int indepth,
 // in can be the same as out
 void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel)
 {
+       const unsigned char *inrow;
        int x, y, nextrow;
        if (*depth != 1 || destdepth != 1)
        {
@@ -1365,6 +1376,9 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                        *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 * bytesperpixel;
        if (*width > destwidth)
        {
@@ -1375,9 +1389,9 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                        *height >>= 1;
                        if (bytesperpixel == 4)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
                                {
-                                       for (x = 0;x < *width;x++)
+                                       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);
@@ -1386,14 +1400,13 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                                                out += 4;
                                                in += 8;
                                        }
-                                       in += nextrow; // skip a line
                                }
                        }
                        else if (bytesperpixel == 3)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
                                {
-                                       for (x = 0;x < *width;x++)
+                                       for (in = inrow, x = 0;x < *width;x++)
                                        {
                                                out[0] = (unsigned char) ((in[0] + in[3] + in[nextrow  ] + in[nextrow+3]) >> 2);
                                                out[1] = (unsigned char) ((in[1] + in[4] + in[nextrow+1] + in[nextrow+4]) >> 2);
@@ -1401,7 +1414,6 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                                                out += 3;
                                                in += 6;
                                        }
-                                       in += nextrow; // skip a line
                                }
                        }
                        else
@@ -1412,9 +1424,9 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                        // reduce width
                        if (bytesperpixel == 4)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (y = 0;y < *height;y++, inrow += nextrow)
                                {
-                                       for (x = 0;x < *width;x++)
+                                       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);
@@ -1427,9 +1439,9 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                        }
                        else if (bytesperpixel == 3)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (y = 0;y < *height;y++, inrow += nextrow)
                                {
-                                       for (x = 0;x < *width;x++)
+                                       for (in = inrow, x = 0;x < *width;x++)
                                        {
                                                out[0] = (unsigned char) ((in[0] + in[3]) >> 1);
                                                out[1] = (unsigned char) ((in[1] + in[4]) >> 1);
@@ -1451,9 +1463,9 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                        *height >>= 1;
                        if (bytesperpixel == 4)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
                                {
-                                       for (x = 0;x < *width;x++)
+                                       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);
@@ -1462,14 +1474,13 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                                                out += 4;
                                                in += 4;
                                        }
-                                       in += nextrow; // skip a line
                                }
                        }
                        else if (bytesperpixel == 3)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (y = 0;y < *height;y++, inrow += nextrow * 2)
                                {
-                                       for (x = 0;x < *width;x++)
+                                       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);
@@ -1477,7 +1488,6 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                                                out += 3;
                                                in += 3;
                                        }
-                                       in += nextrow; // skip a line
                                }
                        }
                        else
@@ -1490,64 +1500,42 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
 
 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;
                }
        }
@@ -1559,8 +1547,7 @@ int image_loadskin(imageskin_t *s, const char *shadername)
        unsigned char *bumppixels;
        int bumppixels_width, bumppixels_height;
        char name[MAX_QPATH];
-       strlcpy(name, shadername, sizeof(name));
-       Image_StripImageExtension(name, name);
+       Image_StripImageExtension(shadername, name, sizeof(name));
        memset(s, 0, sizeof(*s));
        s->basepixels = loadimagepixels(name, false, 0, 0);
        if (s->basepixels == NULL)