mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-07 21:40:27 +00:00
1cc9d13ccf
Files moved but not modified. Changes to follow in a subsequent commit. You down with CPP? git-svn-id: https://svn.eduke32.com/eduke32@6055 1a8010ca-5511-0410-912e-c29ae57300e0
400 lines
12 KiB
C
400 lines
12 KiB
C
#pragma once
|
|
|
|
#ifndef ENGINE_PRIV_H
|
|
#define ENGINE_PRIV_H
|
|
|
|
#define MAXPERMS 512
|
|
#define MAXARTFILES_BASE 200
|
|
#define MAXARTFILES_TOTAL 220
|
|
#define MAXCLIPDIST 1024
|
|
|
|
// Uncomment to clear the screen before each top-level draw (classic only).
|
|
// FIXME: doesn't work with mirrors.
|
|
//#define ENGINE_CLEAR_SCREEN
|
|
|
|
#ifdef YAX_ENABLE
|
|
# define YAX_MAXDRAWS 8
|
|
#endif
|
|
|
|
#if !defined(NOASM) && defined __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
extern intptr_t asm1, asm2, asm3, asm4;
|
|
extern int32_t globalx1, globaly2;
|
|
#if !defined(NOASM) && defined __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern uint16_t ATTRIBUTE((used)) sqrtable[4096], ATTRIBUTE((used)) shlookup[4096+256];
|
|
|
|
#if defined(_MSC_VER) && !defined(NOASM)
|
|
|
|
//
|
|
// Microsoft C Inline Assembly Routines
|
|
//
|
|
|
|
static inline int32_t nsqrtasm(int32_t a)
|
|
{
|
|
_asm
|
|
{
|
|
push ebx
|
|
mov eax, a
|
|
test eax, 0xff000000
|
|
mov ebx, eax
|
|
jnz short over24
|
|
shr ebx, 12
|
|
mov cx, word ptr shlookup[ebx*2]
|
|
jmp short under24
|
|
over24 :
|
|
shr ebx, 24
|
|
mov cx, word ptr shlookup[ebx*2+8192]
|
|
under24 :
|
|
shr eax, cl
|
|
mov cl, ch
|
|
mov ax, word ptr sqrtable[eax*2]
|
|
shr eax, cl
|
|
pop ebx
|
|
}
|
|
}
|
|
|
|
static inline int32_t getclipmask(int32_t a, int32_t b, int32_t c, int32_t d)
|
|
{
|
|
_asm
|
|
{
|
|
push ebx
|
|
mov eax, a
|
|
mov ebx, b
|
|
mov ecx, c
|
|
mov edx, d
|
|
sar eax, 31
|
|
add ebx, ebx
|
|
adc eax, eax
|
|
add ecx, ecx
|
|
adc eax, eax
|
|
add edx, edx
|
|
adc eax, eax
|
|
mov ebx, eax
|
|
shl ebx, 4
|
|
or al, 0xf0
|
|
xor eax, ebx
|
|
pop ebx
|
|
}
|
|
}
|
|
|
|
static inline int32_t getkensmessagecrc(void *b)
|
|
{
|
|
_asm
|
|
{
|
|
push ebx
|
|
mov ebx, b
|
|
xor eax, eax
|
|
mov ecx, 32
|
|
beg:
|
|
mov edx, dword ptr[ebx+ecx*4-4]
|
|
ror edx, cl
|
|
adc eax, edx
|
|
bswap eax
|
|
loop short beg
|
|
pop ebx
|
|
}
|
|
}
|
|
|
|
#elif defined(__GNUC__) && defined(__i386__) && !defined(NOASM) // _MSC_VER
|
|
|
|
//
|
|
// GCC "Inline" Assembly Routines
|
|
//
|
|
|
|
#define nsqrtasm(a) \
|
|
({ int32_t __r, __a=(a); \
|
|
__asm__ __volatile__ ( \
|
|
"testl $0xff000000, %%eax\n\t" \
|
|
"movl %%eax, %%ebx\n\t" \
|
|
"jnz 0f\n\t" \
|
|
"shrl $12, %%ebx\n\t" \
|
|
"movw " ASMSYM("shlookup") "(,%%ebx,2), %%cx\n\t" \
|
|
"jmp 1f\n\t" \
|
|
"0:\n\t" \
|
|
"shrl $24, %%ebx\n\t" \
|
|
"movw (" ASMSYM("shlookup") "+8192)(,%%ebx,2), %%cx\n\t" \
|
|
"1:\n\t" \
|
|
"shrl %%cl, %%eax\n\t" \
|
|
"movb %%ch, %%cl\n\t" \
|
|
"movw " ASMSYM("sqrtable") "(,%%eax,2), %%ax\n\t" \
|
|
"shrl %%cl, %%eax" \
|
|
: "=a" (__r) : "a" (__a) : "ebx", "ecx", "cc"); \
|
|
__r; })
|
|
|
|
#define getclipmask(a,b,c,d) \
|
|
({ int32_t __a=(a), __b=(b), __c=(c), __d=(d); \
|
|
__asm__ __volatile__ ("sarl $31, %%eax; addl %%ebx, %%ebx; adcl %%eax, %%eax; " \
|
|
"addl %%ecx, %%ecx; adcl %%eax, %%eax; addl %%edx, %%edx; " \
|
|
"adcl %%eax, %%eax; movl %%eax, %%ebx; shl $4, %%ebx; " \
|
|
"orb $0xf0, %%al; xorl %%ebx, %%eax" \
|
|
: "=a" (__a), "=b" (__b), "=c" (__c), "=d" (__d) \
|
|
: "a" (__a), "b" (__b), "c" (__c), "d" (__d) : "cc"); \
|
|
__a; })
|
|
|
|
|
|
#define getkensmessagecrc(b) \
|
|
({ int32_t __a, __b=(b); \
|
|
__asm__ __volatile__ ( \
|
|
"xorl %%eax, %%eax\n\t" \
|
|
"movl $32, %%ecx\n\t" \
|
|
"0:\n\t" \
|
|
"movl -4(%%ebx,%%ecx,4), %%edx\n\t" \
|
|
"rorl %%cl, %%edx\n\t" \
|
|
"adcl %%edx, %%eax\n\t" \
|
|
"bswapl %%eax\n\t" \
|
|
"loop 0b" \
|
|
: "=a" (__a) : "b" (__b) : "ecx", "edx" \
|
|
__a; })
|
|
|
|
#else // __GNUC__ && __i386__
|
|
|
|
static inline int32_t nsqrtasm(uint32_t a)
|
|
{
|
|
// JBF 20030901: This was a damn lot simpler to reverse engineer than
|
|
// msqrtasm was. Really, it was just like simplifying an algebra equation.
|
|
uint16_t c;
|
|
|
|
if (a & 0xff000000) // test eax, 0xff000000 / jnz short over24
|
|
{
|
|
c = shlookup[(a >> 24) + 4096]; // mov ebx, eax
|
|
// over24: shr ebx, 24
|
|
// mov cx, word ptr shlookup[ebx*2+8192]
|
|
}
|
|
else
|
|
{
|
|
c = shlookup[a >> 12]; // mov ebx, eax
|
|
// shr ebx, 12
|
|
// mov cx, word ptr shlookup[ebx*2]
|
|
// jmp short under24
|
|
}
|
|
a >>= c&0xff; // under24: shr eax, cl
|
|
a = (a&0xffff0000)|(sqrtable[a]); // mov ax, word ptr sqrtable[eax*2]
|
|
a >>= ((c&0xff00) >> 8); // mov cl, ch
|
|
// shr eax, cl
|
|
return a;
|
|
}
|
|
|
|
static inline int32_t getclipmask(int32_t a, int32_t b, int32_t c, int32_t d)
|
|
{
|
|
// Ken did this
|
|
d = ((a<0)<<3) + ((b<0)<<2) + ((c<0)<<1) + (d<0);
|
|
return (((d<<4)^0xf0)|d);
|
|
}
|
|
|
|
inline int32_t getkensmessagecrc(int32_t b)
|
|
{
|
|
UNREFERENCED_PARAMETER(b);
|
|
return 0x56c764d4l;
|
|
}
|
|
|
|
#endif
|
|
|
|
extern int16_t thesector[MAXWALLSB], thewall[MAXWALLSB];
|
|
extern int16_t bunchfirst[MAXWALLSB], bunchlast[MAXWALLSB];
|
|
extern int16_t maskwall[MAXWALLSB], maskwallcnt;
|
|
extern uspritetype *tspriteptr[MAXSPRITESONSCREEN + 1];
|
|
extern int32_t xdimen, xdimenrecip, halfxdimen, xdimenscale, xdimscale, ydimen;
|
|
extern float fxdimen;
|
|
extern intptr_t frameoffset;
|
|
extern int32_t globalposx, globalposy, globalposz, globalhoriz;
|
|
extern float fglobalposx, fglobalposy, fglobalposz;
|
|
extern int16_t globalang, globalcursectnum;
|
|
extern int32_t globalpal, cosglobalang, singlobalang;
|
|
extern int32_t cosviewingrangeglobalang, sinviewingrangeglobalang;
|
|
extern int32_t globalhisibility, globalpisibility, globalcisibility;
|
|
extern int32_t globvis, globalvisibility;
|
|
extern int32_t xyaspect;
|
|
extern int32_t globalshade;
|
|
extern int16_t globalpicnum;
|
|
|
|
extern int32_t globalorientation;
|
|
|
|
extern int16_t editstatus;
|
|
|
|
extern int16_t searchit;
|
|
extern int32_t searchx, searchy;
|
|
extern int16_t searchsector, searchwall, searchstat;
|
|
extern int16_t searchbottomwall, searchisbottom;
|
|
|
|
extern char inpreparemirror;
|
|
|
|
extern char picsiz[MAXTILES];
|
|
extern int16_t sectorborder[256];
|
|
extern int32_t qsetmode;
|
|
extern int32_t hitallsprites;
|
|
|
|
extern int32_t xb1[MAXWALLSB];
|
|
extern int32_t rx1[MAXWALLSB], ry1[MAXWALLSB];
|
|
extern int16_t bunchp2[MAXWALLSB];
|
|
extern int16_t numscans, numbunches;
|
|
extern int32_t rxi[8], ryi[8];
|
|
|
|
#ifdef USE_OPENGL
|
|
|
|
// For GL_EXP2 fog:
|
|
#define FOGSCALE 0.0000768f
|
|
|
|
void calc_and_apply_fog(int32_t tile, int32_t shade, int32_t vis, int32_t pal);
|
|
void calc_and_apply_fog_factor(int32_t tile, int32_t shade, int32_t vis, int32_t pal, float factor);
|
|
#endif
|
|
|
|
extern void get_wallspr_points(uspritetype const * const spr, int32_t *x1, int32_t *x2,
|
|
int32_t *y1, int32_t *y2);
|
|
extern void get_floorspr_points(uspritetype const * const spr, int32_t px, int32_t py,
|
|
int32_t *x1, int32_t *x2, int32_t *x3, int32_t *x4,
|
|
int32_t *y1, int32_t *y2, int32_t *y3, int32_t *y4);
|
|
|
|
|
|
// int32_t wallmost(int16_t *mostbuf, int32_t w, int32_t sectnum, char dastat);
|
|
int32_t wallfront(int32_t l1, int32_t l2);
|
|
|
|
void set_globalang(int16_t ang);
|
|
|
|
#ifdef DEBUGGINGAIDS
|
|
int32_t animateoffs(int const tilenum, int fakevar);
|
|
#define DO_TILE_ANIM(Picnum, Fakevar) do { \
|
|
if (picanm[Picnum].sf&PICANM_ANIMTYPE_MASK) Picnum += animateoffs(Picnum, Fakevar); \
|
|
} while (0)
|
|
#else
|
|
int32_t animateoffs(int const tilenum);
|
|
#define DO_TILE_ANIM(Picnum, Fakevar) do { \
|
|
if (picanm[Picnum].sf&PICANM_ANIMTYPE_MASK) Picnum += animateoffs(Picnum); \
|
|
} while (0)
|
|
#endif
|
|
|
|
FORCE_INLINE int32_t bad_tspr(const uspritetype *tspr)
|
|
{
|
|
// NOTE: tspr->owner >= MAXSPRITES (could be model) has to be handled by
|
|
// caller.
|
|
return (tspr->owner < 0 || (unsigned)tspr->picnum >= MAXTILES);
|
|
}
|
|
|
|
//
|
|
// getpalookup (internal)
|
|
//
|
|
FORCE_INLINE int32_t getpalookup(int32_t davis, int32_t dashade)
|
|
{
|
|
return min(max(dashade + (davis >> 8), 0), numshades - 1);
|
|
}
|
|
|
|
FORCE_INLINE int32_t getpalookupsh(int32_t davis) { return getpalookup(davis, globalshade) << 8; }
|
|
|
|
void dorotspr_handle_bit2(int32_t *sx, int32_t *sy, int32_t *z, int32_t dastat,
|
|
int32_t cx1_plus_cx2, int32_t cy1_plus_cy2,
|
|
int32_t *ret_ouryxaspect, int32_t *ret_ourxyaspect);
|
|
|
|
////// yax'y stuff //////
|
|
#ifdef USE_OPENGL
|
|
extern void polymost_scansector(int32_t sectnum);
|
|
#endif
|
|
int32_t engine_addtsprite(int16_t z, int16_t sectnum);
|
|
#ifdef YAX_ENABLE
|
|
extern int32_t g_nodraw, scansector_retfast;
|
|
extern int32_t yax_globallev, yax_globalbunch;
|
|
extern int32_t yax_globalcf, yax_nomaskpass, yax_nomaskdidit;
|
|
extern uint8_t haveymost[YAX_MAXBUNCHES>>3];
|
|
extern uint8_t yax_gotsector[MAXSECTORS>>3];
|
|
|
|
FORCE_INLINE int32_t yax_isislandwall(int32_t line, int32_t cf) { return (yax_vnextsec(line, cf) >= 0); }
|
|
#endif
|
|
|
|
#ifdef YAX_DEBUG
|
|
extern char m32_debugstr[64][128];
|
|
extern int32_t m32_numdebuglines;
|
|
# define yaxdebug(fmt, ...) do { if (m32_numdebuglines<64) Bsnprintf(m32_debugstr[m32_numdebuglines++], 128, fmt, ##__VA_ARGS__); } while (0)
|
|
# define yaxprintf(fmt, ...) do { initprintf(fmt, ##__VA_ARGS__); } while (0)
|
|
#else
|
|
# define yaxdebug(fmt, ...)
|
|
# define yaxprintf(fmt, ...)
|
|
#endif
|
|
|
|
|
|
|
|
#if defined(_MSC_VER) && !defined(NOASM)
|
|
|
|
static inline void setgotpic(int32_t a)
|
|
{
|
|
_asm {
|
|
push ebx
|
|
mov eax, a
|
|
mov ebx, eax
|
|
cmp byte ptr walock[eax], 200
|
|
jae skipit
|
|
mov byte ptr walock[eax], 199
|
|
skipit:
|
|
shr eax, 3
|
|
and ebx, 7
|
|
mov dl, byte ptr gotpic[eax]
|
|
mov bl, byte ptr pow2char[ebx]
|
|
or dl, bl
|
|
mov byte ptr gotpic[eax], dl
|
|
pop ebx
|
|
}
|
|
}
|
|
|
|
#elif defined(__GNUC__) && defined(__i386__) && !defined(NOASM) // _MSC_VER
|
|
|
|
#define setgotpic(a) \
|
|
({ int32_t __a=(a); \
|
|
__asm__ __volatile__ ( \
|
|
"movl %%eax, %%ebx\n\t" \
|
|
"cmpb $200, " ASMSYM("walock") "(%%eax)\n\t" \
|
|
"jae 0f\n\t" \
|
|
"movb $199, " ASMSYM("walock") "(%%eax)\n\t" \
|
|
"0:\n\t" \
|
|
"shrl $3, %%eax\n\t" \
|
|
"andl $7, %%ebx\n\t" \
|
|
"movb " ASMSYM("gotpic") "(%%eax), %%dl\n\t" \
|
|
"movb " ASMSYM("pow2char") "(%%ebx), %%bl\n\t" \
|
|
"orb %%bl, %%dl\n\t" \
|
|
"movb %%dl, " ASMSYM("gotpic") "(%%eax)" \
|
|
: "=a" (__a) : "a" (__a) \
|
|
: "ebx", "edx", "memory", "cc"); \
|
|
__a; })
|
|
|
|
#else // __GNUC__ && __i386__
|
|
|
|
FORCE_INLINE void setgotpic(int32_t tilenume)
|
|
{
|
|
if (walock[tilenume] < 200) walock[tilenume] = 199;
|
|
gotpic[tilenume>>3] |= pow2char[tilenume&7];
|
|
}
|
|
|
|
#endif
|
|
|
|
// Get properties of parallaxed sky to draw.
|
|
// Returns: pointer to tile offset array. Sets-by-pointer the other three.
|
|
FORCE_INLINE const int8_t *getpsky(int32_t picnum, int32_t *dapyscale, int32_t *dapskybits, int32_t *dapyoffs)
|
|
{
|
|
psky_t const * const psky = &multipsky[getpskyidx(picnum)];
|
|
|
|
if (dapskybits)
|
|
*dapskybits = (pskybits_override == -1 ? psky->lognumtiles : pskybits_override);
|
|
if (dapyscale)
|
|
*dapyscale = (parallaxyscale_override == 0 ? psky->horizfrac : parallaxyscale_override);
|
|
if (dapyoffs)
|
|
*dapyoffs = psky->yoffs + parallaxyoffs_override;
|
|
|
|
return psky->tileofs;
|
|
}
|
|
|
|
FORCE_INLINE void set_globalpos(int32_t const x, int32_t const y, int32_t const z)
|
|
{
|
|
globalposx = x, fglobalposx = (float)x;
|
|
globalposy = y, fglobalposy = (float)y;
|
|
globalposz = z, fglobalposz = (float)z;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ENGINE_PRIV_H */
|