raze-gles/polymer/eduke32/build/include/polymost.h

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#ifndef _polymost_h_
# define _polymost_h_
#ifdef USE_OPENGL
#include "glbuild.h"
#include "hightile.h"
typedef struct { uint8_t r, g, b, a; } coltype;
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];
//void phex(char v, char *s);
void uploadtexture(int32_t doalloc, int32_t xsiz, int32_t ysiz, int32_t intexfmt, int32_t texfmt, coltype *pic, int32_t tsizx, int32_t tsizy, 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, 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 float 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()
static inline int32_t eligible_for_tileshades(int32_t picnum, int32_t pal)
{
return (!usehightile || !hicfindsubst(picnum, pal)) &&
(!usemodels || md_tilehasmodel(picnum, pal) < 0);
}
static inline float getshadefactor(int32_t shade)
{
int32_t shadebound = (shadescale_unbounded || shade>=numshades) ? numshades : numshades-1;
float clamped_shade = min(max(shade*shadescale, 0), shadebound);
// 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 &&
eligible_for_tileshades(globalpicnum, globalpal))
return 1.f;
return ((float)(numshades-clamped_shade))/(float)numshades;
}
#define POLYMOST_CHOOSE_FOG_PAL(fogpal, pal) \
((fogpal) ? (fogpal) : (pal))
static inline int32_t get_floor_fogpal(const sectortype *sec)
{
return POLYMOST_CHOOSE_FOG_PAL(sec->fogpal, sec->floorpal);
}
static inline int32_t get_ceiling_fogpal(const sectortype *sec)
{
return POLYMOST_CHOOSE_FOG_PAL(sec->fogpal, sec->ceilingpal);
}
static inline int32_t fogpal_shade(const sectortype *sec, int32_t 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;
}
static inline int check_nonpow2(int32_t 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?
static 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(float x)
{
#ifdef B_LITTLE_ENDIAN
const float haf = x*.5f;
struct conv { union { uint32_t i; float f; } u; } * const n = (struct conv *)&x;
n->u.i = 0x5f3759df-(n->u.i>>1);
return n->u.f*(1.5f-haf*(n->u.f*n->u.f));
#else
// this is the comment
return 1.f/Bsqrtf(x);
#endif
}
// Flags of the <dameth> argument of various functions
enum {
DAMETH_CLAMPED = 4,
DAMETH_WALL = 32, // signals a texture for a wall (for r_npotwallmode)
DAMETH_NOCOMPRESS = 4096,
DAMETH_HI = 8192,
};
// DAMETH_CLAMPED -> PTH_CLAMPED conversion
#define TO_PTH_CLAMPED(dameth) (((dameth)&DAMETH_CLAMPED)>>2)
// Do we want a NPOT-y-as-classic texture for this <dameth> and <ysiz>?
static 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 {
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_INVALIDATED = 128,
};
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;
char palnum;
char shade;
char effects;
char flags; // 1 = clamped (dameth&4), 2 = hightile, 4 = skybox face, 8 = hasalpha, 16 = hasfullbright, 128 = invalidated
char skyface;
} pthtyp;
extern void gloadtile_art(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, fxdimen, fydimen, fviewingrange;
extern char ptempbuf[MAXWALLSB<<1];
#include "texcache.h"
extern void polymost_setupglowtexture(int32_t texunits, int32_t tex);
extern void polymost_setupdetailtexture(int32_t texunits, int32_t tex);
#endif
#endif