raze-gles/source/build/include/polymost.h

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#ifndef polymost_h_
# define polymost_h_
#ifdef USE_OPENGL
#include "glbuild.h"
#include "hightile.h"
#include "baselayer.h" // glinfo
#ifdef __cplusplus
extern "C" {
#endif
typedef struct { uint8_t r, g, b, a; } coltype;
typedef struct { float r, g, b, a; } coltypef;
extern int32_t rendmode;
extern float gtang;
extern float glox1, gloy1;
extern float gxyaspect, grhalfxdown10x;
extern float gcosang, gsinang, gcosang2, gsinang2;
extern float gchang, gshang, gctang, gstang, gvisibility;
struct glfiltermodes {
const char *name;
int32_t min,mag;
};
#define NUMGLFILTERMODES 6
extern struct glfiltermodes glfiltermodes[NUMGLFILTERMODES];
extern void Polymost_prepare_loadboard(void);
//void phex(char v, char *s);
void uploadtexture(int32_t doalloc, vec2_t siz, int32_t texfmt, coltype *pic, vec2_t tsiz, int32_t dameth);
void polymost_drawsprite(int32_t snum);
void polymost_drawmaskwall(int32_t damaskwallcnt);
void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha, uint8_t dablend, int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2, int32_t uniqid);
void polymost_fillpolygon(int32_t npoints);
void polymost_initosdfuncs(void);
void polymost_drawrooms(void);
void polymost_glinit(void);
void polymost_glreset(void);
enum {
INVALIDATE_ALL,
INVALIDATE_ART
};
void gltexinvalidate(int32_t dapicnum, int32_t dapalnum, int32_t dameth);
void gltexinvalidatetype(int32_t type);
int32_t polymost_printext256(int32_t xpos, int32_t ypos, int16_t col, int16_t backcol, const char *name, char fontsize);
extern float curpolygonoffset;
extern float shadescale;
extern int32_t shadescale_unbounded;
extern uint8_t alphahackarray[MAXTILES];
extern int32_t r_usenewshading;
extern int32_t r_usetileshades;
extern int32_t r_npotwallmode;
extern int16_t globalpicnum;
extern int32_t globalpal;
// Compare with polymer_eligible_for_artmap()
FORCE_INLINE int32_t eligible_for_tileshades(int32_t const picnum, int32_t const pal)
{
return !usehightile || !hicfindsubst(picnum, pal);
}
static inline float getshadefactor(int32_t const shade)
{
// 8-bit tiles, i.e. non-hightiles and non-models, don't get additional
// glColor() shading with r_usetileshades!
if (getrendermode() == REND_POLYMOST && r_usetileshades &&
!(globalflags & GLOBAL_NO_GL_TILESHADES) &&
eligible_for_tileshades(globalpicnum, globalpal))
return 1.f;
float const shadebound = (float)((shadescale_unbounded || shade>=numshades) ? numshades : numshades-1);
float const scaled_shade = (float)shade*shadescale;
float const clamped_shade = min(max(scaled_shade, 0.f), shadebound);
return ((float)(numshades-clamped_shade))/(float)numshades;
}
#define POLYMOST_CHOOSE_FOG_PAL(fogpal, pal) \
((fogpal) ? (fogpal) : (pal))
FORCE_INLINE int32_t get_floor_fogpal(usectortype const * const sec)
{
return POLYMOST_CHOOSE_FOG_PAL(sec->fogpal, sec->floorpal);
}
FORCE_INLINE int32_t get_ceiling_fogpal(usectortype const * const sec)
{
return POLYMOST_CHOOSE_FOG_PAL(sec->fogpal, sec->ceilingpal);
}
FORCE_INLINE int32_t fogpal_shade(usectortype const * const sec, int32_t const shade)
{
// When fogging is due to sector[].fogpal, don't make the fog parameters
// depend on the shade of the object.
return sec->fogpal ? 0 : shade;
}
FORCE_INLINE int check_nonpow2(int32_t const x)
{
return (x > 1 && (x&(x-1)));
}
// Are we using the mode that uploads non-power-of-two wall textures like they
// render in classic?
FORCE_INLINE int polymost_is_npotmode(void)
{
// The glinfo.texnpot check is so we don't have to deal with that case in
// gloadtile_art().
return glinfo.texnpot &&
// r_npotwallmode is NYI for hightiles. We require r_hightile off
// because in calc_ypanning(), the repeat would be multiplied by a
// factor even if no modified texture were loaded.
!usehightile &&
#ifdef NEW_MAP_FORMAT
g_loadedMapVersion < 10 &&
#endif
r_npotwallmode;
}
static inline float polymost_invsqrt_approximation(float x)
{
#ifdef B_LITTLE_ENDIAN
float const haf = x * .5f;
struct conv { union { uint32_t i; float f; } ; } * const n = (struct conv *)&x;
n->i = 0x5f3759df - (n->i >> 1);
return n->f * (1.5f - haf * (n->f * n->f));
#else
// this is the comment
return 1.f / Bsqrtf(x);
#endif
}
// Flags of the <dameth> argument of various functions
enum {
DAMETH_NOMASK = 0,
DAMETH_MASK = 1,
DAMETH_TRANS1 = 2,
DAMETH_TRANS2 = 3,
DAMETH_MASKPROPS = 3,
DAMETH_CLAMPED = 4,
DAMETH_WALL = 32, // signals a texture for a wall (for r_npotwallmode)
// used internally by polymost_domost
DAMETH_BACKFACECULL = -1,
// used internally by uploadtexture
DAMETH_NODOWNSIZE = 4096,
DAMETH_HI = 8192,
DAMETH_NOFIX = 16384,
DAMETH_NOTEXCOMPRESS = 32768,
DAMETH_HASALPHA = 65536,
DAMETH_ONEBITALPHA = 131072,
DAMETH_ARTIMMUNITY = 262144,
DAMETH_HASFULLBRIGHT = 524288,
DAMETH_NPOTWALL = 1048576,
DAMETH_UPLOADTEXTURE_MASK =
DAMETH_HI |
DAMETH_NODOWNSIZE |
DAMETH_NOFIX |
DAMETH_NOTEXCOMPRESS |
DAMETH_HASALPHA |
DAMETH_ONEBITALPHA |
DAMETH_ARTIMMUNITY |
DAMETH_HASFULLBRIGHT |
DAMETH_NPOTWALL,
};
#define DAMETH_NARROW_MASKPROPS(dameth) (((dameth)&(~DAMETH_TRANS1))|(((dameth)&DAMETH_TRANS1)>>1))
EDUKE32_STATIC_ASSERT(DAMETH_NARROW_MASKPROPS(DAMETH_MASKPROPS) == DAMETH_MASK);
EDUKE32_STATIC_ASSERT(DAMETH_NARROW_MASKPROPS(DAMETH_CLAMPED) == DAMETH_CLAMPED);
#define TO_DAMETH_NODOWNSIZE(hicr_flags) (((hicr_flags)&HICR_NODOWNSIZE)<<8)
EDUKE32_STATIC_ASSERT(TO_DAMETH_NODOWNSIZE(HICR_NODOWNSIZE) == DAMETH_NODOWNSIZE);
#define TO_DAMETH_NOTEXCOMPRESS(hicr_flags) (((hicr_flags)&HICR_NOTEXCOMPRESS)<<15)
EDUKE32_STATIC_ASSERT(TO_DAMETH_NOTEXCOMPRESS(HICR_NOTEXCOMPRESS) == DAMETH_NOTEXCOMPRESS);
#define TO_DAMETH_ARTIMMUNITY(hicr_flags) (((hicr_flags)&HICR_ARTIMMUNITY)<<13)
EDUKE32_STATIC_ASSERT(TO_DAMETH_ARTIMMUNITY(HICR_ARTIMMUNITY) == DAMETH_ARTIMMUNITY);
// Do we want a NPOT-y-as-classic texture for this <dameth> and <ysiz>?
FORCE_INLINE int polymost_want_npotytex(int32_t dameth, int32_t ysiz)
{
return getrendermode() != REND_POLYMER && // r_npotwallmode NYI in Polymer
polymost_is_npotmode() && (dameth&DAMETH_WALL) && check_nonpow2(ysiz);
}
// pthtyp pth->flags bits
enum pthtyp_flags {
PTH_CLAMPED = 1,
PTH_HIGHTILE = 2,
PTH_SKYBOX = 4,
PTH_HASALPHA = 8,
PTH_HASFULLBRIGHT = 16,
PTH_NPOTWALL = DAMETH_WALL, // r_npotwallmode=1 generated texture
PTH_FORCEFILTER = 64,
PTH_INVALIDATED = 128,
PTH_NOTRANSFIX = 256, // fixtransparency() bypassed
};
typedef struct pthtyp_t
{
struct pthtyp_t *next;
struct pthtyp_t *ofb; // fullbright pixels
hicreplctyp *hicr;
uint32_t glpic;
vec2f_t scale;
vec2_t siz;
int16_t picnum;
uint16_t flags; // see pthtyp_flags
char palnum;
char shade;
char effects;
char skyface;
} pthtyp;
// DAMETH -> PTH conversions
#define TO_PTH_CLAMPED(dameth) (((dameth)&DAMETH_CLAMPED)>>2)
EDUKE32_STATIC_ASSERT(TO_PTH_CLAMPED(DAMETH_CLAMPED) == PTH_CLAMPED);
#define TO_PTH_NOTRANSFIX(dameth) ((((~(dameth))&DAMETH_MASK)<<8)&(((~(dameth))&DAMETH_TRANS1)<<7))
EDUKE32_STATIC_ASSERT(TO_PTH_NOTRANSFIX(DAMETH_NOMASK) == PTH_NOTRANSFIX);
EDUKE32_STATIC_ASSERT(TO_PTH_NOTRANSFIX(DAMETH_MASK) == 0);
EDUKE32_STATIC_ASSERT(TO_PTH_NOTRANSFIX(DAMETH_TRANS1) == 0);
EDUKE32_STATIC_ASSERT(TO_PTH_NOTRANSFIX(DAMETH_MASKPROPS) == 0);
extern void gloadtile_art(int32_t,int32_t,int32_t,int32_t,int32_t,pthtyp *,int32_t);
extern int32_t gloadtile_hi(int32_t,int32_t,int32_t,hicreplctyp *,int32_t,pthtyp *,int32_t,char);
extern int32_t globalnoeffect;
extern int32_t drawingskybox;
extern int32_t hicprecaching;
extern float gyxscale, gxyaspect, ghalfx, grhalfxdown10;
extern float fcosglobalang, fsinglobalang;
extern float fxdim, fydim, fydimen, fviewingrange;
extern char ptempbuf[MAXWALLSB<<1];
extern hitdata_t polymost_hitdata;
#include "texcache.h"
extern void polymost_setupglowtexture(int32_t texunits, int32_t tex);
extern void polymost_setupdetailtexture(int32_t texunits, int32_t tex);
#ifdef __cplusplus
}
#endif
#endif
#endif