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Image: Add M32 support functions

Browse source 
https://github.com/TTimo/GtkRadiant/blob/master/plugins/imagem8/m32.h
This commit is contained in:
Denis Pauk 2022-10-13 23:59:40 +03:00
parent f77e6940bd
commit 5e2ecede93
3 changed files with 116 additions and 1 deletions
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83
src/client/refresh/files/wal.c
View file

@ -139,6 +139,59 @@ LoadM8(const char *origname, imagetype_t type, loadimage_t load_image)
return image;
}
struct image_s *
LoadM32(const char *origname, imagetype_t type, loadimage_t load_image)
{
m32tex_t *mt;
int width, height, ofs, size;
struct image_s *image;
char name[256];
FixFileExt(origname, "m32", name, sizeof(name));
size = ri.FS_LoadFile(name, (void **)&mt);
if (!mt)
{
R_Printf(PRINT_ALL, "%s: can't load %s\n", __func__, name);
return NULL;
}
if (size < sizeof(m8tex_t))
{
R_Printf(PRINT_ALL, "%s: can't load %s, small header\n", __func__, name);
ri.FS_FreeFile((void *)mt);
return NULL;
}
if (LittleLong (mt->version) != M32_VERSION)
{
R_Printf(PRINT_ALL, "%s: can't load %s, wrong magic value.\n", __func__, name);
ri.FS_FreeFile ((void *)mt);
return NULL;
}
width = LittleLong (mt->width[0]);
height = LittleLong (mt->height[0]);
ofs = LittleLong (mt->offsets[0]);
if ((ofs <= 0) || (width <= 0) || (height <= 0) ||
(((size - ofs) / height) < (width * 4)))
{
R_Printf(PRINT_ALL, "%s: can't load %s, small body\n", __func__, name);
ri.FS_FreeFile((void *)mt);
return NULL;
}
image = load_image(name, (byte *)mt + ofs,
width, 0,
height, 0,
(size - ofs) / 4, type, 32);
ri.FS_FreeFile ((void *)mt);
return image;
}
void
GetWalInfo(const char *origname, int *width, int *height)
{
@ -198,3 +251,33 @@ GetM8Info(const char *origname, int *width, int *height)
return;
}
void
GetM32Info(const char *origname, int *width, int *height)
{
m32tex_t *mt;
int size;
char filename[256];
FixFileExt(origname, "m32", filename, sizeof(filename));
size = ri.FS_LoadFile(filename, (void **)&mt);
if (!mt)
{
return;
}
if (size < sizeof(m32tex_t) || LittleLong (mt->version) != M32_VERSION)
{
ri.FS_FreeFile((void *)mt);
return;
}
*width = LittleLong(mt->width[0]);
*height = LittleLong(mt->height[0]);
ri.FS_FreeFile((void *)mt);
return;
}

4
src/client/refresh/ref_shared.h
View file

@ -81,13 +81,15 @@ extern void R_Printf(int level, const char* msg, ...) PRINTF_ATTR(2, 3);
typedef struct image_s* (*loadimage_t)(const char *name, byte *pic, int width, int realwidth,
int height, int realheight, size_t data_size, imagetype_t type, int bits);
extern struct image_s* LoadWal(const char *origname, imagetype_t type, loadimage_t load_image);
struct image_s* LoadM8(const char *origname, imagetype_t type, loadimage_t load_image);
extern struct image_s* LoadM8(const char *origname, imagetype_t type, loadimage_t load_image);
extern struct image_s* LoadM32(const char *origname, imagetype_t type, loadimage_t load_image);
extern void FixFileExt(const char *origname, const char *ext, char *filename, size_t size);
extern void GetPCXPalette(byte **colormap, unsigned *d_8to24table);
extern void LoadPCX(const char *origname, byte **pic, byte **palette, int *width, int *height);
extern void GetPCXInfo(const char *origname, int *width, int *height);
extern void GetWalInfo(const char *name, int *width, int *height);
extern void GetM8Info(const char *name, int *width, int *height);
extern void GetM32Info(const char *name, int *width, int *height);
extern qboolean LoadSTB(const char *origname, const char* type, byte **pic, int *width, int *height);
extern qboolean ResizeSTB(const byte *input_pixels, int input_width, int input_height,

30
src/common/header/files.h
View file

@ -199,6 +199,36 @@ typedef struct m8tex_s
int value;
} m8tex_t;
/* .M32 texture file format */
#define M32_VERSION 0x4
#define M32_MIP_LEVELS 16
typedef struct m32tex_s
{
int version;
char name[128];
char altname[128]; // texture substitution
char animname[128]; // next frame in animation chain
char damagename[128]; // image that should be shown when damaged
unsigned width[M32_MIP_LEVELS], height[M32_MIP_LEVELS];
unsigned offsets[M32_MIP_LEVELS];
int flags;
int contents;
int value;
float scale_x, scale_y;
int mip_scale;
// detail texturing info
char dt_name[128]; // detailed texture name
float dt_scale_x, dt_scale_y;
float dt_u, dt_v;
float dt_alpha;
int dt_src_blend_mode, dt_dst_blend_mode;
int unused[20]; // future expansion to maintain compatibility with h2
} m32tex_t;
/* .BSP file format */
#define IDBSPHEADER (('P' << 24) + ('S' << 16) + ('B' << 8) + 'I') /* little-endian "IBSP" */