#include "quakedef.h"
#include "image.h"
#include "jpeg.h"
+#include "r_shadow.h"
int image_width;
int image_height;
LoadPCX
============
*/
-qbyte* LoadPCX (const qbyte *f, int matchwidth, int matchheight)
+qbyte* LoadPCX (qbyte *f, int matchwidth, int matchheight)
{
pcx_t pcx;
qbyte *a, *b, *image_rgba, *pbuf;
const qbyte *palette, *fin, *enddata;
int x, y, x2, dataByte;
- if (loadsize < (int)sizeof(pcx) + 768)
+ if (fs_filesize < (int)sizeof(pcx) + 768)
{
Con_Printf ("Bad pcx file\n");
return NULL;
pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
pcx.palette_type = LittleShort (pcx.palette_type);
- if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcx.xmax > 320 || pcx.ymax > 256)
+ image_width = pcx.xmax + 1 - pcx.xmin;
+ image_height = pcx.ymax + 1 - pcx.ymin;
+ if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
{
Con_Printf ("Bad pcx file\n");
return NULL;
}
-
- if (matchwidth && (pcx.xmax+1) != matchwidth)
- {
+ if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
return NULL;
- }
- if (matchheight && (pcx.ymax+1) != matchheight)
- {
- return NULL;
- }
-
- image_width = pcx.xmax+1;
- image_height = pcx.ymax+1;
- palette = f + loadsize - 768;
+ palette = f + fs_filesize - 768;
image_rgba = Mem_Alloc(tempmempool, image_width*image_height*4);
if (!image_rgba)
LoadTGA
=============
*/
-qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight)
+qbyte *LoadTGA (qbyte *f, int matchwidth, int matchheight)
{
int x, y, row_inc, compressed, readpixelcount, red, green, blue, alpha, runlen;
qbyte *pixbuf, *image_rgba;
- const qbyte *fin, *enddata;
+ qbyte *fin, *enddata;
TargaHeader targa_header;
unsigned char palette[256*4], *p;
- if (loadsize < 19)
+ if (fs_filesize < 19)
return NULL;
- enddata = f + loadsize;
+ enddata = f + fs_filesize;
targa_header.id_length = f[0];
targa_header.colormap_type = f[1];
targa_header.colormap_size = f[7];
targa_header.x_origin = f[8] + f[9] * 256;
targa_header.y_origin = f[10] + f[11] * 256;
- targa_header.width = f[12] + f[13] * 256;
- targa_header.height = f[14] + f[15] * 256;
- if (matchwidth && targa_header.width != matchwidth)
+ targa_header.width = image_width = f[12] + f[13] * 256;
+ targa_header.height = image_height = f[14] + f[15] * 256;
+ if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
+ {
+ Con_Printf("LoadTGA: invalid size\n");
+ PrintTargaHeader(&targa_header);
return NULL;
- if (matchheight && targa_header.height != matchheight)
+ }
+ if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
return NULL;
targa_header.pixel_size = f[16];
targa_header.attributes = f[17];
- image_width = targa_header.width;
- image_height = targa_header.height;
-
fin = f + 18;
if (targa_header.id_length != 0)
fin += targa_header.id_length; // skip TARGA image comment
LoadLMP
============
*/
-qbyte *LoadLMP (const qbyte *f, int matchwidth, int matchheight)
+qbyte *LoadLMP (qbyte *f, int matchwidth, int matchheight)
{
qbyte *image_rgba;
- int width, height;
- if (loadsize < 9)
+ if (fs_filesize < 9)
{
Con_Printf("LoadLMP: invalid LMP file\n");
return NULL;
}
// parse the very complicated header *chuckle*
- width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216;
- height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216;
- if ((unsigned) width > 4096 || (unsigned) height > 4096)
+ image_width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216;
+ image_height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216;
+ if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
{
- Con_Printf("LoadLMP: invalid size\n");
+ Con_Printf("LoadLMP: invalid size %ix%i\n", image_width, image_height);
return NULL;
}
- if ((matchwidth && width != matchwidth) || (matchheight && height != matchheight))
+ if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
return NULL;
- if (loadsize < 8 + width * height)
+ if (fs_filesize < 8 + image_width * image_height)
{
Con_Printf("LoadLMP: invalid LMP file\n");
return NULL;
}
- image_width = width;
- image_height = height;
-
image_rgba = Mem_Alloc(tempmempool, image_width * image_height * 4);
if (!image_rgba)
{
return image_rgba;
}
+typedef struct
+{
+ char name[32];
+ unsigned width, height;
+ unsigned offsets[MIPLEVELS]; // four mip maps stored
+ char animname[32]; // next frame in animation chain
+ int flags;
+ int contents;
+ int value;
+} q2wal_t;
+
+qbyte *LoadWAL (qbyte *f, int matchwidth, int matchheight)
+{
+ qbyte *image_rgba;
+ const q2wal_t *inwal = (const void *)f;
+
+ if (fs_filesize < (int) sizeof(q2wal_t))
+ {
+ Con_Printf("LoadWAL: invalid WAL file\n");
+ return NULL;
+ }
+
+ image_width = LittleLong(inwal->width);
+ image_height = LittleLong(inwal->height);
+ if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
+ {
+ Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height);
+ return NULL;
+ }
+ if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
+ return NULL;
+
+ if ((int) fs_filesize < (int) sizeof(q2wal_t) + (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
+ {
+ Con_Printf("LoadWAL: invalid WAL file\n");
+ return NULL;
+ }
+
+ image_rgba = Mem_Alloc(tempmempool, image_width * image_height * 4);
+ if (!image_rgba)
+ {
+ Con_Printf("LoadLMP: not enough memory for %i by %i image\n", image_width, image_height);
+ return NULL;
+ }
+ Image_Copy8bitRGBA(f + LittleLong(inwal->offsets[0]), image_rgba, image_width * image_height, palette_complete);
+ return image_rgba;
+}
+
+
+
/*
============
LoadLMP
============
*/
-qbyte *LoadLMPAs8Bit (const qbyte *f, int matchwidth, int matchheight)
+qbyte *LoadLMPAs8Bit (qbyte *f, int matchwidth, int matchheight)
{
qbyte *image_8bit;
- int width, height;
- if (loadsize < 9)
+ if (fs_filesize < 9)
{
Con_Printf("LoadLMPAs8Bit: invalid LMP file\n");
return NULL;
}
// parse the very complicated header *chuckle*
- width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216;
- height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216;
- if ((unsigned) width > 4096 || (unsigned) height > 4096)
+ image_width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216;
+ image_height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216;
+ if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
{
- Con_Printf("LoadLMPAs8Bit: invalid size\n");
+ Con_Printf("LoadLMPAs8Bit: invalid size %ix%i\n", image_width, image_height);
return NULL;
}
- if ((matchwidth && width != matchwidth) || (matchheight && height != matchheight))
+ if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
return NULL;
- if (loadsize < 8 + width * height)
+ if (fs_filesize < 8 + image_width * image_height)
{
Con_Printf("LoadLMPAs8Bit: invalid LMP file\n");
return NULL;
}
- image_width = width;
- image_height = height;
-
image_8bit = Mem_Alloc(tempmempool, image_width * image_height);
if (!image_8bit)
{
strcpy(out, in);
}
+struct
+{
+ const char *formatstring;
+ qbyte *(*loadfunc)(qbyte *f, int matchwidth, int matchheight);
+}
+imageformats[] =
+{
+ {"override/%s.tga", LoadTGA},
+ {"override/%s.jpg", JPEG_LoadImage},
+ {"textures/%s.tga", LoadTGA},
+ {"textures/%s.jpg", JPEG_LoadImage},
+ {"textures/%s.pcx", LoadPCX},
+ {"textures/%s.wal", LoadWAL},
+ {"%s.tga", LoadTGA},
+ {"%s.jpg", JPEG_LoadImage},
+ {"%s.pcx", LoadPCX},
+ {"%s.lmp", LoadLMP},
+ {NULL, NULL}
+};
+
qbyte *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight)
{
- qbyte *f, *data;
+ int i;
+ qbyte *f, *data = NULL;
char basename[MAX_QPATH], name[MAX_QPATH], *c;
Image_StripImageExtension(filename, 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 = '#';
- sprintf (name, "override/%s.tga", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = LoadTGA (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "override/%s.jpg", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = JPEG_LoadImage (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "textures/%s.tga", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = LoadTGA (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "textures/%s.jpg", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = JPEG_LoadImage (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "textures/%s.pcx", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = LoadPCX (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "%s.tga", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = LoadTGA (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "%s.jpg", basename);
- f = COM_LoadFile(name, true);
- if (f)
- {
- data = JPEG_LoadImage (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
- }
- sprintf (name, "%s.pcx", basename);
- f = COM_LoadFile(name, true);
- if (f)
+ for (i = 0;imageformats[i].formatstring;i++)
{
- data = LoadPCX (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
+ sprintf (name, imageformats[i].formatstring, basename);
+ if ((f = FS_LoadFile(name, true)) && (data = imageformats[i].loadfunc(f, matchwidth, matchheight)))
+ {
+ Mem_Free(f);
+ Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
+ return data;
+ }
}
- sprintf (name, "%s.lmp", basename);
- f = COM_LoadFile(name, true);
- if (f)
+ if (complain)
{
- data = LoadLMP (f, matchwidth, matchheight);
- Mem_Free(f);
- return data;
+ Con_Printf ("Couldn't load %s using ", filename);
+ for (i = 0;imageformats[i].formatstring;i++)
+ {
+ sprintf (name, imageformats[i].formatstring, basename);
+ Con_Printf (i == 0 ? "\"%s\"" : (imageformats[i+1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), imageformats[i].formatstring);
+ }
}
- if (complain)
- Con_Printf ("Couldn't load %s.tga, .jpg, .pcx, .lmp\n", filename);
return NULL;
}
*out++ = in[1];
*out++ = in[0];
}
- ret = COM_WriteFile (filename, buffer, width*height*3 + 18 );
+ ret = FS_WriteFile (filename, buffer, width*height*3 + 18 );
Mem_Free(buffer);
return ret;
*out++ = in[0];
}
}
- COM_WriteFile (filename, buffer, width*height*3 + 18 );
+ FS_WriteFile (filename, buffer, width*height*3 + 18 );
Mem_Free(buffer);
}
*out++ = in[3];
}
}
- COM_WriteFile (filename, buffer, width*height*4 + 18 );
+ FS_WriteFile (filename, buffer, width*height*4 + 18 );
Mem_Free(buffer);
}
}
}
-extern cvar_t r_shadow_bumpscale;
void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
{
int x, y;
float iwidth, iheight, ibumpscale, n[3];
iwidth = 1.0f / width;
iheight = 1.0f / height;
- ibumpscale = (255.0f * 3.0f) / (bumpscale * r_shadow_bumpscale.value);
+ ibumpscale = (255.0f * 3.0f) / bumpscale;
out = outpixels;
for (y = 0;y < height;y++)
{
n[1] = ((p0[0] + p0[1] + p0[2]) - (p2[0] + p2[1] + p2[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] = ((p1[0] + p1[1] + p1[2]) - (p3[0] + p3[1] + p3[2]));
+ n[1] = ((p2[0] + p2[1] + p2[2]) - (p3[0] + p3[1] + p3[2]));
+ n[2] = ibumpscale;
+ VectorNormalize(n);
+ */
out[0] = 128.0f + n[0] * 127.0f;
out[1] = 128.0f + n[1] * 127.0f;
out[2] = 128.0f + n[2] * 127.0f;
}
}
}
+
+int image_loadskin(imageskin_t *s, char *name)
+{
+ int j;
+ qbyte *bumppixels;
+ int bumppixels_width, bumppixels_height;
+ 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;
+ if (Image_CheckAlpha(s->basepixels, s->basepixels_width * s->basepixels_height, true))
+ {
+ s->maskpixels = 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 = 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 = 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));
+}
+