mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-15 07:01:21 +00:00
229 lines
6.5 KiB
C
229 lines
6.5 KiB
C
#ifndef ENGINE_PRIV_H
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#define ENGINE_PRIV_H
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#define MAXCLIPNUM 1024
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#define MAXPERMS 512
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#define MAXARTFILES_BASE 200
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#define MAXARTFILES_TOTAL 220
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// MAXYSAVES is 983040 (!) right now:
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#define MAXYSAVES ((MAXXDIM*MAXSPRITES)>>7)
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#define MAXNODESPERLINE (MAXYSAVES/MAXYDIM) // 307
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#define MAXCLIPDIST 1024
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// Uncomment to clear the screen before each top-level draw (classic only).
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// FIXME: doesn't work with mirrors.
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//#define ENGINE_CLEAR_SCREEN
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#ifdef YAX_ENABLE
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# define YAX_MAXDRAWS 8
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#endif
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#if !defined(NOASM) && defined __cplusplus
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extern "C" {
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#endif
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extern intptr_t asm1, asm2, asm3, asm4;
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extern int32_t globalx1, globaly2;
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#if !defined(NOASM) && defined __cplusplus
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};
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#endif
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extern uint8_t basepalcount;
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extern uint8_t curbasepal;
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extern int16_t thesector[MAXWALLSB], thewall[MAXWALLSB];
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extern int16_t bunchfirst[MAXWALLSB], bunchlast[MAXWALLSB];
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extern int16_t maskwall[MAXWALLSB], maskwallcnt;
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extern spritetype *tspriteptr[MAXSPRITESONSCREEN + 1];
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extern int32_t xdimen, xdimenrecip, halfxdimen, xdimenscale, xdimscale, ydimen;
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extern intptr_t frameoffset;
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extern int32_t globalposx, globalposy, globalposz, globalhoriz;
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extern int16_t globalang, globalcursectnum;
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extern int32_t globalpal, cosglobalang, singlobalang;
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extern int32_t cosviewingrangeglobalang, sinviewingrangeglobalang;
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extern int32_t globalhisibility, globalpisibility, globalcisibility;
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extern int32_t globvis, globalvisibility;
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extern int32_t xyaspect;
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extern int32_t globalshade;
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extern int16_t globalpicnum;
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extern int32_t globalorientation;
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extern int16_t editstatus;
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extern int16_t searchit;
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extern int32_t searchx, searchy;
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extern int16_t searchsector, searchwall, searchstat;
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extern int16_t searchbottomwall, searchisbottom;
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extern char inpreparemirror;
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extern int32_t curbrightness, gammabrightness;
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extern char britable[16][256];
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extern char picsiz[MAXTILES];
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extern int16_t sectorborder[256], sectorbordercnt;
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extern int32_t qsetmode;
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extern int32_t hitallsprites;
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extern int32_t xb1[MAXWALLSB];
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extern int32_t rx1[MAXWALLSB], ry1[MAXWALLSB];
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extern int16_t p2[MAXWALLSB];
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extern int16_t numscans, numbunches;
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#ifdef USE_OPENGL
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// For GL_EXP2 fog:
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#define FOGSCALE 0.0000768
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extern palette_t palookupfog[MAXPALOOKUPS];
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void calc_and_apply_fog(int32_t tile, int32_t shade, int32_t vis, int32_t pal);
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void calc_and_apply_fog_factor(int32_t tile, int32_t shade, int32_t vis, int32_t pal, float factor);
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#endif
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// int32_t wallmost(int16_t *mostbuf, int32_t w, int32_t sectnum, char dastat);
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int32_t wallfront(int32_t l1, int32_t l2);
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int32_t animateoffs(int16_t tilenum, int16_t fakevar);
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void set_globalang(int16_t ang);
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#define DO_TILE_ANIM(Picnum, Fakevar) do { \
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if (picanm[Picnum].sf&PICANM_ANIMTYPE_MASK) Picnum += animateoffs(Picnum, Fakevar); \
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} while (0)
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static inline int32_t bad_tspr(const spritetype *tspr)
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{
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// NOTE: tspr->owner >= MAXSPRITES (could be model) has to be handled by
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// caller.
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return (tspr->owner < 0 || (unsigned)tspr->picnum >= MAXTILES);
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}
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//
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// getpalookup (internal)
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//
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static inline int32_t getpalookup(int32_t davis, int32_t dashade)
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{
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return(min(max(dashade+(davis>>8),0),numshades-1));
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}
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static inline int32_t getpalookupsh(int32_t davis)
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{
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return getpalookup(davis, globalshade)<<8;
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}
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void dorotspr_handle_bit2(int32_t *sx, int32_t *sy, int32_t *z, int32_t dastat,
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int32_t cx1_plus_cx2, int32_t cy1_plus_cy2,
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int32_t *ret_ouryxaspect, int32_t *ret_ourxyaspect);
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////// yax'y stuff //////
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#ifdef USE_OPENGL
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extern void polymost_scansector(int32_t sectnum);
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#endif
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int32_t engine_addtsprite(int16_t z, int16_t sectnum);
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#ifdef YAX_ENABLE
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extern int32_t g_nodraw, scansector_retfast;
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extern int32_t yax_globallev, yax_globalbunch;
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extern int32_t yax_globalcf, yax_nomaskpass, yax_nomaskdidit;
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extern uint8_t haveymost[YAX_MAXBUNCHES>>3];
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extern uint8_t yax_gotsector[MAXSECTORS>>3];
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static inline int32_t yax_isislandwall(int32_t line, int32_t cf)
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{
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return (yax_vnextsec(line, cf)>=0);
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}
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#endif
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#ifdef YAX_DEBUG
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extern char m32_debugstr[64][128];
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extern int32_t m32_numdebuglines;
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# define yaxdebug(fmt, ...) do { if (m32_numdebuglines<64) Bsnprintf(m32_debugstr[m32_numdebuglines++], 128, fmt, ##__VA_ARGS__); } while (0)
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# define yaxprintf(fmt, ...) do { initprintf(fmt, ##__VA_ARGS__); } while (0)
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#else
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# define yaxdebug(fmt, ...)
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# define yaxprintf(fmt, ...)
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#endif
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extern int32_t indrawroomsandmasks;
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#if defined(_MSC_VER) && !defined(NOASM)
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static inline void setgotpic(int32_t a)
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{
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_asm {
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push ebx
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mov eax, a
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mov ebx, eax
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cmp byte ptr walock[eax], 200
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jae skipit
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mov byte ptr walock[eax], 199
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skipit:
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shr eax, 3
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and ebx, 7
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mov dl, byte ptr gotpic[eax]
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mov bl, byte ptr pow2char[ebx]
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or dl, bl
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mov byte ptr gotpic[eax], dl
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pop ebx
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}
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}
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#elif defined(__GNUC__) && defined(__i386__) && !defined(NOASM) // _MSC_VER
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#define setgotpic(a) \
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({ int32_t __a=(a); \
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__asm__ __volatile__ ( \
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"movl %%eax, %%ebx\n\t" \
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"cmpb $200, " ASMSYM("walock") "(%%eax)\n\t" \
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"jae 0f\n\t" \
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"movb $199, " ASMSYM("walock") "(%%eax)\n\t" \
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"0:\n\t" \
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"shrl $3, %%eax\n\t" \
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"andl $7, %%ebx\n\t" \
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"movb " ASMSYM("gotpic") "(%%eax), %%dl\n\t" \
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"movb " ASMSYM("pow2char") "(%%ebx), %%bl\n\t" \
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"orb %%bl, %%dl\n\t" \
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"movb %%dl, " ASMSYM("gotpic") "(%%eax)" \
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: "=a" (__a) : "a" (__a) \
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: "ebx", "edx", "memory", "cc"); \
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__a; })
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#else // __GNUC__ && __i386__
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static inline void setgotpic(int32_t tilenume)
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{
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if (walock[tilenume] < 200) walock[tilenume] = 199;
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gotpic[tilenume>>3] |= pow2char[tilenume&7];
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}
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#endif
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static inline void bricolor(palette_t *wpptr, int32_t dacol)
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{
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if (gammabrightness)
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{
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wpptr->r = curpalette[dacol].r;
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wpptr->g = curpalette[dacol].g;
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wpptr->b = curpalette[dacol].b;
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}
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else
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{
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wpptr->r = britable[curbrightness][ curpalette[dacol].r ];
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wpptr->g = britable[curbrightness][ curpalette[dacol].g ];
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wpptr->b = britable[curbrightness][ curpalette[dacol].b ];
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}
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}
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// Get properties of parallaxed sky to draw.
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// Returns: pointer to tile offset array. Sets-by-pointer the other two.
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static inline const int8_t *getpsky(int32_t picnum, int32_t *dapyscale, int32_t *dapskybits)
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{
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int32_t j = getpskyidx(picnum);
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if (dapskybits)
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*dapskybits = multipsky[j].lognumtiles;
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if (dapyscale)
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*dapyscale = multipsky[j].horizfrac;
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return multipsky[j].tileofs;
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}
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#endif /* ENGINE_PRIV_H */
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