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raze/polymer/eduke32/build/include/hightile.h
2016-05-04 00:25:17 +00:00

117 lines
2.8 KiB
C

#ifndef HIGHTILE_PRIV_H
#define HIGHTILE_PRIV_H
#ifdef __cplusplus
extern "C" {
#endif
struct hicskybox_t {
char *face[6];
};
typedef struct hicreplc_t {
struct hicreplc_t *next;
char *filename;
struct hicskybox_t *skybox;
vec2f_t scale;
float alphacut, specpower, specfactor;
char palnum, flags;
} hicreplctyp;
extern palette_t hictinting[MAXPALOOKUPS];
extern hicreplctyp *hicreplc[MAXTILES];
extern int32_t hicinitcounter;
typedef struct texcachehead_t
{
char magic[4]; // 'PMST', was 'Polymost'
int xdim, ydim; // of image, unpadded
int flags; // 1 = !2^x, 2 = has alpha, 4 = lzw compressed
int quality; // r_downsize at the time the cache was written
} texcacheheader;
typedef struct texcachepic_t
{
int size;
int format;
int xdim, ydim; // of mipmap (possibly padded)
int border, depth;
} texcachepicture;
hicreplctyp * hicfindsubst(int picnum, int palnum);
hicreplctyp * hicfindskybox(int picnum, int palnum);
static inline int have_basepal_tint(void)
{
return (hictinting[MAXPALOOKUPS-1].r != 255 ||
hictinting[MAXPALOOKUPS-1].g != 255 ||
hictinting[MAXPALOOKUPS-1].b != 255);
}
static inline void hictinting_apply(float *color, int32_t palnum)
{
color[0] *= (float)hictinting[palnum].r * (1.f/255.f);
color[1] *= (float)hictinting[palnum].g * (1.f/255.f);
color[2] *= (float)hictinting[palnum].b * (1.f/255.f);
}
static inline void hictinting_apply_ub(uint8_t *color, int32_t palnum)
{
color[0] = (uint8_t)(color[0] * (float)hictinting[palnum].r * (1.f/255.f));
color[1] = (uint8_t)(color[1] * (float)hictinting[palnum].g * (1.f/255.f));
color[2] = (uint8_t)(color[2] * (float)hictinting[palnum].b * (1.f/255.f));
}
// texcacheheader cachead.flags bits
enum
{
CACHEAD_NONPOW2 = 1,
CACHEAD_HASALPHA = 2,
CACHEAD_COMPRESSED = 4,
CACHEAD_NODOWNSIZE = 8,
CACHEAD_HASFULLBRIGHT = 16,
CACHEAD_NPOTWALL = 32,
};
// hicreplctyp hicr->flags bits
enum
{
HICR_NOTEXCOMPRESS = 1,
HICR_FORCEFILTER = 2,
HICR_NODOWNSIZE = 16,
HICR_ARTIMMUNITY = 32,
};
// hictinting[].f / gloadtile_hi() and mdloadskin() <effect> arg bits
enum
{
HICTINT_GRAYSCALE = 1,
HICTINT_INVERT = 2,
HICTINT_COLORIZE = 4,
HICTINT_USEONART = 8,
HICTINT_APPLYOVERPALSWAP = 16,
HICTINT_APPLYOVERALTPAL = 32,
HICTINT_BLEND_MULTIPLY = 0<<6,
HICTINT_BLEND_SCREEN = 1<<6,
HICTINT_BLEND_OVERLAY = 2<<6,
HICTINT_BLEND_HARDLIGHT = 3<<6,
HICTINT_BLENDMASK = 64|128,
HICTINT_PRECOMPUTED = HICTINT_COLORIZE | HICTINT_BLENDMASK,
HICTINT_IN_MEMORY = HICTINT_PRECOMPUTED | HICTINT_GRAYSCALE | HICTINT_INVERT,
HICEFFECTMASK = 255, // XXX: Xcalloc() based on this value, why?
};
#define GRAYSCALE_COEFF_RED 0.3
#define GRAYSCALE_COEFF_GREEN 0.59
#define GRAYSCALE_COEFF_BLUE 0.11
#ifdef __cplusplus
}
#endif
#endif