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transtable/palconvbits updates

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@143 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
TimeServ 2004-09-06 01:18:24 +00:00
parent 279d3a651c
commit de51889f62
10 changed files with 788 additions and 123 deletions
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9
engine/client/m_mp3.c
View file

@ -52,10 +52,10 @@ void MakeVideoPalette(void)
if (strlen(r_palconvbits.string) < 3)
{
// r7g7b7 is default
rs = 7;
gs = 7;
bs = 7;
// r5g6b5 is default
rs = 5;
gs = 6;
bs = 5;
}
else
{
@ -144,6 +144,7 @@ void MakeVideoPalette(void)
palshift[1] = (8 - palshift[0]) - gs;
palshift[2] = palshift[1] + (8 - bs);
if (r_palconvwrite.value)
COM_WriteFile(filename, palxxxto8, size);
}

8
engine/client/renderer.c
View file

@ -185,7 +185,10 @@ extern cvar_t r_novis;
extern cvar_t r_netgraph;
cvar_t r_transtables = {"r_transtables","2"};
cvar_t r_palconvbits = {"r_palconvbits", "777"};
cvar_t r_transtablefull = {"r_transtablefull", "1"};
cvar_t r_transtablewrite = {"r_transtablewrite", "1"};
cvar_t r_palconvbits = {"r_palconvbits", "565"};
cvar_t r_palconvwrite = {"r_palconvwrite", "1"};
extern cvar_t bul_text1;
extern cvar_t bul_text2;
@ -331,7 +334,10 @@ void SWRenderer_Init(void)
Cvar_Register (&r_reportsurfout, SWRENDEREROPTIONS);
Cvar_Register (&r_transtables, SWRENDEREROPTIONS);
Cvar_Register (&r_transtablewrite, SWRENDEREROPTIONS);
Cvar_Register (&r_transtablefull, SWRENDEREROPTIONS);
Cvar_Register (&r_palconvbits, SWRENDEREROPTIONS);
Cvar_Register (&r_palconvwrite, SWRENDEREROPTIONS);
}
#endif

2
engine/gl/glquake.h
View file

@ -773,6 +773,8 @@ extern int r_pixbytes;
#define WARP_HEIGHT 200
extern cvar_t r_palconvbits;
extern cvar_t r_palconvwrite;
extern cvar_t r_drawflat;
extern int d_spanpixcount;
extern int r_framecount; // sequence # of current frame since Quake

14
engine/sw/d_local.h
View file

@ -124,13 +124,23 @@ typedef qbyte tlookup[256][256];
typedef qbyte tlookupp[256];
extern tlookup *t_lookup;
extern tlookupp *t_curlookupp;
extern int t_curtable;
extern int t_numtables;
extern int t_numtablesinv;//65546/numtables
extern int t_state;
#define TT_REVERSE 0x1 // reverse table points
#define TT_ZERO 0x2 // zero alpha
#define TT_ONE 0x4 // full alpha
#define TT_USEHALF 0x8 // using half transtables
// cvar defines for transtable
extern cvar_t r_transtablewrite;
extern cvar_t r_transtables;
extern cvar_t r_transtablefull;
void D_InitTrans(void);
#define Trans(p, p2) (t_curlookupp[p][p2])
void Set_TransLevelI(int level);
// void Set_TransLevelI(int level);
void Set_TransLevelF(float level);
#endif

215
engine/sw/d_part.c
View file

@ -360,6 +360,163 @@ void D_DrawParticle32 (particle_t *pparticle)
}
#define draw(x, y) x=Trans(x,(int)y)
#define rdraw(x, y) x=Trans((int)y,x)
void D_DrawParticleReverseTrans (particle_t *pparticle)
{
vec3_t local, transformed;
float zi;
qbyte *pdest;
short *pz;
int i, izi, pix, count, u, v;
// transform point
VectorSubtract (pparticle->org, r_origin, local);
transformed[0] = DotProduct(local, r_pright);
transformed[1] = DotProduct(local, r_pup);
transformed[2] = DotProduct(local, r_ppn);
if (transformed[2] < PARTICLE_Z_CLIP)
return;
// project the point
// FIXME: preadjust xcenter and ycenter
zi = 1.0 / transformed[2];
u = (int)(xcenter + zi * transformed[0] + 0.5);
v = (int)(ycenter - zi * transformed[1] + 0.5);
if ((v > d_vrectbottom_particle) ||
(u > d_vrectright_particle) ||
(v < d_vrecty) ||
(u < d_vrectx))
{
return;
}
pz = d_pzbuffer + (d_zwidth * v) + u;
izi = (int)(zi * 0x8000);
pix = ((int)(izi*pparticle->scale)) >> d_pix_shift;
if (pix < d_pix_min)
pix = d_pix_min;
else if (pix > d_pix_max)
pix = d_pix_max;
u -= pix/2;
v -= pix/2;
if (u < 0) u = 0;
if (v < 0) v = 0;
pdest = d_viewbuffer + d_scantable[v] + u;
switch (pix)
{
case 1:
count = 1 << d_y_aspect_shift;
for ( ; count ; count--, pz += d_zwidth, pdest += screenwidth)
{
if (pz[0] <= izi)
{
// pz[0] = izi;
rdraw(pdest[0], pparticle->color);
}
}
break;
case 2:
count = 2 << d_y_aspect_shift;
for ( ; count ; count--, pz += d_zwidth, pdest += screenwidth)
{
if (pz[0] <= izi)
{
// pz[0] = izi;
rdraw(pdest[0], pparticle->color);
}
if (pz[1] <= izi)
{
// pz[1] = izi;
rdraw(pdest[1], pparticle->color);
}
}
break;
case 3:
count = 3 << d_y_aspect_shift;
for ( ; count ; count--, pz += d_zwidth, pdest += screenwidth)
{
if (pz[0] <= izi)
{
// pz[0] = izi;
rdraw(pdest[0], pparticle->color);
}
if (pz[1] <= izi)
{
// pz[1] = izi;
rdraw(pdest[1], pparticle->color);
}
if (pz[2] <= izi)
{
// pz[2] = izi;
rdraw(pdest[2], pparticle->color);
}
}
break;
case 4:
count = 4 << d_y_aspect_shift;
for ( ; count ; count--, pz += d_zwidth, pdest += screenwidth)
{
if (pz[0] <= izi)
{
// pz[0] = izi;
rdraw(pdest[0], pparticle->color);
}
if (pz[1] <= izi)
{
// pz[1] = izi;
rdraw(pdest[1], pparticle->color);
}
if (pz[2] <= izi)
{
// pz[2] = izi;
rdraw(pdest[2], pparticle->color);
}
if (pz[3] <= izi)
{
// pz[3] = izi;
rdraw(pdest[3], pparticle->color);
}
}
break;
default:
count = pix << d_y_aspect_shift;
for ( ; count ; count--, pz += d_zwidth, pdest += screenwidth)
{
for (i=0 ; i<pix ; i++)
{
if (pz[i] <= izi)
{
// pz[i] = izi;
rdraw(pdest[i], pparticle->color);
}
}
}
break;
}
}
void D_DrawParticleTrans (particle_t *pparticle)
{
vec3_t local, transformed;
@ -379,17 +536,22 @@ void D_DrawParticleTrans (particle_t *pparticle)
return;
}
if (pparticle->alpha <= 0.0)
Set_TransLevelF(pparticle->alpha);
if (t_state & TT_ZERO)
return;
if (pparticle->alpha >= 0.9)
if (t_state & TT_ONE)
{
D_DrawParticle(pparticle);
return;
}
Set_TransLevelF(pparticle->alpha);
if (t_state & TT_REVERSE)
{
D_DrawParticleReverseTrans(pparticle);
return;
}
// transform point
VectorSubtract (pparticle->org, r_origin, local);
@ -788,11 +950,11 @@ void D_DrawSparkTrans (particle_t *pparticle) //draw a line in 3d space, 8bpp
return;
}
if (pparticle->alpha <= 0.0)
return;
Set_TransLevelF(pparticle->alpha);
if (t_state & TT_ZERO)
return;
speed = Length(pparticle->vel);
if ((speed) < 1)
{
@ -849,6 +1011,43 @@ void D_DrawSparkTrans (particle_t *pparticle) //draw a line in 3d space, 8bpp
dv /= count;
dz /= count;
}
if (t_state & TT_ONE)
{
do
{
pz = d_pzbuffer + (d_zwidth * (v1>>16)) + (u1>>16);
if (*pz <= z1>>16)
{
pdest = d_viewbuffer + d_scantable[v1>>16] + (u1>>16);
*pdest = pparticle->color;
}
u1 += du;
v1 += dv;
z1 += dz;
} while (count--);
}
else if (t_state & TT_REVERSE)
{
do
{
pz = d_pzbuffer + (d_zwidth * (v1>>16)) + (u1>>16);
if (*pz <= z1>>16)
{
pdest = d_viewbuffer + d_scantable[v1>>16] + (u1>>16);
rdraw(*pdest, pparticle->color);
}
u1 += du;
v1 += dv;
z1 += dz;
} while (count--);
}
else
{
do
{
pz = d_pzbuffer + (d_zwidth * (v1>>16)) + (u1>>16);
@ -856,7 +1055,6 @@ void D_DrawSparkTrans (particle_t *pparticle) //draw a line in 3d space, 8bpp
if (*pz <= z1>>16)
{
// *pz = z1>>16;
pdest = d_viewbuffer + d_scantable[v1>>16] + (u1>>16);
draw(*pdest, pparticle->color);
}
@ -865,4 +1063,5 @@ void D_DrawSparkTrans (particle_t *pparticle) //draw a line in 3d space, 8bpp
v1 += dv;
z1 += dz;
} while (count--);
}
}

160
engine/sw/d_polyse.c
View file

@ -22,7 +22,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//changes include stvertexes now being seperatly number from the triangles.
//this allows q2 models to be supported.
#ifndef NOASM
#define NOASM
#endif
#include "quakedef.h"
#include "r_local.h"
@ -233,6 +235,83 @@ void D_PolysetDrawFinalVerts32 (finalvert_t *fv, int numverts)
}
}
void D_PolysetRecursiveTriangleReverseTrans (int *lp1, int *lp2, int *lp3)
{
int *temp;
int d;
int new[6];
int z;
short *zbuf;
d = lp2[0] - lp1[0];
if (d < -1 || d > 1)
goto split;
d = lp2[1] - lp1[1];
if (d < -1 || d > 1)
goto split;
d = lp3[0] - lp2[0];
if (d < -1 || d > 1)
goto split2;
d = lp3[1] - lp2[1];
if (d < -1 || d > 1)
goto split2;
d = lp1[0] - lp3[0];
if (d < -1 || d > 1)
goto split3;
d = lp1[1] - lp3[1];
if (d < -1 || d > 1)
{
split3:
temp = lp1;
lp1 = lp3;
lp3 = lp2;
lp2 = temp;
goto split;
}
return; // entire tri is filled
split2:
temp = lp1;
lp1 = lp2;
lp2 = lp3;
lp3 = temp;
split:
// split this edge
new[0] = (lp1[0] + lp2[0]) >> 1;
new[1] = (lp1[1] + lp2[1]) >> 1;
new[2] = (lp1[2] + lp2[2]) >> 1;
new[3] = (lp1[3] + lp2[3]) >> 1;
new[5] = (lp1[5] + lp2[5]) >> 1;
// draw the point if splitting a leading edge
if (lp2[1] > lp1[1])
goto nodraw;
if ((lp2[1] == lp1[1]) && (lp2[0] < lp1[0]))
goto nodraw;
z = new[5]>>16;
zbuf = zspantable[new[1]] + new[0];
if (z >= *zbuf)
{
int pix;
*zbuf = z;
pix = d_pcolormap[skintable[new[3]>>16][new[2]>>16]];
d_viewbuffer[d_scantable[new[1]] + new[0]] = Trans(pix, d_viewbuffer[d_scantable[new[1]] + new[0]]);
}
nodraw:
// recursively continue
D_PolysetRecursiveTriangleReverseTrans (lp3, lp1, new);
D_PolysetRecursiveTriangleReverseTrans (lp3, new, lp2);
}
void D_PolysetRecursiveTriangleTrans (int *lp1, int *lp2, int *lp3)
{
int *temp;
@ -471,6 +550,69 @@ nodraw:
D_PolysetRecursiveTriangle16 (lp3, new, lp2);
}
void D_PolysetDrawSpans8ReverseTrans (spanpackage_t *pspanpackage)
{
int lcount;
qbyte *lpdest;
qbyte *lptex;
int lsfrac, ltfrac;
int llight;
int lzi;
short *lpz;
do
{
lcount = d_aspancount - pspanpackage->count;
errorterm += erroradjustup;
if (errorterm >= 0)
{
d_aspancount += d_countextrastep;
errorterm -= erroradjustdown;
}
else
{
d_aspancount += ubasestep;
}
if (lcount)
{
lpdest = pspanpackage->pdest;
lptex = pspanpackage->ptex;
lpz = pspanpackage->pz;
lsfrac = pspanpackage->sfrac;
ltfrac = pspanpackage->tfrac;
llight = pspanpackage->light;
lzi = pspanpackage->zi;
do
{
if ((lzi >> 16) >= *lpz)
{
*lpdest = Trans(((qbyte *)acolormap)[*lptex + (llight & 0xFF00)], *lpdest);
// gel mapping *lpdest = gelmap[*lpdest];
*lpz = lzi >> 16;
}
lpdest++;
lzi += r_zistepx;
lpz++;
llight += r_lstepx;
lptex += a_ststepxwhole;
lsfrac += a_sstepxfrac;
lptex += lsfrac >> 16;
lsfrac &= 0xFFFF;
ltfrac += a_tstepxfrac;
if (ltfrac & 0x10000)
{
lptex += r_affinetridesc.skinwidth;
ltfrac &= 0xFFFF;
}
} while (--lcount);
}
pspanpackage++;
} while (pspanpackage->count != -999999);
}
void D_PolysetDrawSpans8Trans (spanpackage_t *pspanpackage)
{
@ -482,6 +624,9 @@ void D_PolysetDrawSpans8Trans (spanpackage_t *pspanpackage)
int lzi;
short *lpz;
if (t_state & TT_REVERSE)
D_PolysetDrawSpans8ReverseTrans(pspanpackage);
do
{
lcount = d_aspancount - pspanpackage->count;
@ -1149,6 +1294,11 @@ void D_DrawSubdiv (void)
if (currententity->alpha != 1)
{
Set_TransLevelF(currententity->alpha);
if (!(t_state & TT_ONE))
{
if (t_state & TT_ZERO)
return;
for (i=0 ; i<lnumtriangles ; i++)
{
index0 = pfv + ptri[i].xyz_index[0];
@ -1165,10 +1315,14 @@ void D_DrawSubdiv (void)
d_pcolormap = &((qbyte *)acolormap)[index0->v[4] & 0xFF00];
if (t_state & TT_REVERSE)
D_PolysetRecursiveTriangleReverseTrans(index0->v, index1->v, index2->v);
else
D_PolysetRecursiveTriangleTrans(index0->v, index1->v, index2->v);
}
return;
}
}
#endif
for (i=0 ; i<lnumtriangles ; i++)
@ -1258,6 +1412,11 @@ void D_DrawNonSubdiv (void)
if (currententity->alpha != 1)
{
Set_TransLevelF(currententity->alpha);
if (!(t_state & TT_ONE))
{
if (t_state & TT_ZERO)
return;
for (i=0 ; i<lnumtriangles ; i++, ptri++)
{
index0 = pfv + ptri->xyz_index[0];
@ -1299,6 +1458,7 @@ void D_DrawNonSubdiv (void)
}
return;
}
}
#endif
for (i=0 ; i<lnumtriangles ; i++, ptri++)

165
engine/sw/d_sprite.c
View file

@ -503,6 +503,160 @@ NextSpan:
}
#ifdef PEXT_TRANS
void D_SpriteDrawSpansReverseTrans (sspan_t *pspan)
{
int count, spancount, izistep;
int izi;
qbyte *pbase, *pdest;
fixed16_t s, t, snext, tnext, sstep, tstep;
float sdivz, tdivz, zi, z, du, dv, spancountminus1;
float sdivz8stepu, tdivz8stepu, zi8stepu;
qbyte btemp;
short *pz;
sstep = 0; // keep compiler happy
tstep = 0; // ditto
pbase = cacheblock;
sdivz8stepu = d_sdivzstepu * 8;
tdivz8stepu = d_tdivzstepu * 8;
zi8stepu = d_zistepu * 8;
// we count on FP exceptions being turned off to avoid range problems
izistep = (int)(d_zistepu * 0x8000 * 0x10000);
do
{
pdest = (qbyte *)d_viewbuffer + (screenwidth * pspan->v) + pspan->u;
pz = d_pzbuffer + (d_zwidth * pspan->v) + pspan->u;
count = pspan->count;
if (count <= 0)
goto NextSpan;
// calculate the initial s/z, t/z, 1/z, s, and t and clamp
du = (float)pspan->u;
dv = (float)pspan->v;
sdivz = d_sdivzorigin + dv*d_sdivzstepv + du*d_sdivzstepu;
tdivz = d_tdivzorigin + dv*d_tdivzstepv + du*d_tdivzstepu;
zi = d_ziorigin + dv*d_zistepv + du*d_zistepu;
z = (float)0x10000 / zi; // prescale to 16.16 fixed-point
// we count on FP exceptions being turned off to avoid range problems
izi = (int)(zi * 0x8000 * 0x10000);
s = (int)(sdivz * z) + sadjust;
if (s > bbextents)
s = bbextents;
else if (s < 0)
s = 0;
t = (int)(tdivz * z) + tadjust;
if (t > bbextentt)
t = bbextentt;
else if (t < 0)
t = 0;
do
{
// calculate s and t at the far end of the span
if (count >= 8)
spancount = 8;
else
spancount = count;
count -= spancount;
if (count)
{
// calculate s/z, t/z, zi->fixed s and t at far end of span,
// calculate s and t steps across span by shifting
sdivz += sdivz8stepu;
tdivz += tdivz8stepu;
zi += zi8stepu;
z = (float)0x10000 / zi; // prescale to 16.16 fixed-point
snext = (int)(sdivz * z) + sadjust;
if (snext > bbextents)
snext = bbextents;
else if (snext < 8)
snext = 8; // prevent round-off error on <0 steps from
// from causing overstepping & running off the
// edge of the texture
tnext = (int)(tdivz * z) + tadjust;
if (tnext > bbextentt)
tnext = bbextentt;
else if (tnext < 8)
tnext = 8; // guard against round-off error on <0 steps
sstep = (snext - s) >> 3;
tstep = (tnext - t) >> 3;
}
else
{
// calculate s/z, t/z, zi->fixed s and t at last pixel in span (so
// can't step off polygon), clamp, calculate s and t steps across
// span by division, biasing steps low so we don't run off the
// texture
spancountminus1 = (float)(spancount - 1);
sdivz += d_sdivzstepu * spancountminus1;
tdivz += d_tdivzstepu * spancountminus1;
zi += d_zistepu * spancountminus1;
z = (float)0x10000 / zi; // prescale to 16.16 fixed-point
snext = (int)(sdivz * z) + sadjust;
if (snext > bbextents)
snext = bbextents;
else if (snext < 8)
snext = 8; // prevent round-off error on <0 steps from
// from causing overstepping & running off the
// edge of the texture
tnext = (int)(tdivz * z) + tadjust;
if (tnext > bbextentt)
tnext = bbextentt;
else if (tnext < 8)
tnext = 8; // guard against round-off error on <0 steps
if (spancount > 1)
{
sstep = (snext - s) / (spancount - 1);
tstep = (tnext - t) / (spancount - 1);
}
}
do
{
btemp = *(pbase + (s >> 16) + (t >> 16) * cachewidth);
if (btemp != 255)
{
if (*pz <= (izi >> 16))
{
*pz = izi >> 16;
*pdest = Trans(btemp, *pdest);
}
}
izi += izistep;
pdest++;
pz++;
s += sstep;
t += tstep;
} while (--spancount > 0);
s = snext;
t = tnext;
} while (count > 0);
NextSpan:
pspan++;
} while (pspan->count != DS_SPAN_LIST_END);
}
void D_SpriteDrawSpansTrans (sspan_t *pspan)
{
int count, spancount, izistep;
@ -912,12 +1066,15 @@ void D_DrawSprite (void)
else if (r_pixbytes == 2)
D_SpriteDrawSpans16 (sprite_spans);
else //1
{
if (currententity->alpha>=0.9)
D_SpriteDrawSpans (sprite_spans);
else
{
Set_TransLevelF(currententity->alpha);
if (t_state & TT_ONE)
D_SpriteDrawSpans (sprite_spans);
else if (!(t_state & TT_ZERO))
{
if (t_state & TT_REVERSE)
D_SpriteDrawSpansReverseTrans (sprite_spans);
else
D_SpriteDrawSpansTrans (sprite_spans);
}
}

156
engine/sw/d_trans.c
View file

@ -14,9 +14,23 @@ int t_curtable;
int t_numtables;
int t_numtablesinv;//numtables/65546
int t_state;
#define palette host_basepal
#define _abs(x) ((x)*(x))
void R_ReverseTable(int table)
{
int p, p2, temp;
for (p = 0; p < 256; p++)
for (p2 = p+1; p2 < 256; p2++)
{
temp = (t_lookup[table])[p][p2];
(t_lookup[table])[p][p2] = (t_lookup[table])[p2][p];
(t_lookup[table])[p2][p] = temp;
}
}
void R_CalcTransTable(int table, int level)
{
@ -26,7 +40,7 @@ void R_CalcTransTable(int table, int level)
int r, g, b, j;
int i;
unsigned char *pa;
int m;
int m, rvr;
int dif, curdif;
qbyte p1multi;
@ -38,11 +52,37 @@ void R_CalcTransTable(int table, int level)
pixdivide = p1multi + p2multi;
if (level > 99) // trivial generate for p2
{
for (p = 0; p < 256; p++)
for (p2 = 0; p2 < 256; p2++)
(t_lookup[table])[p][p2] = p2;
return;
}
if (level < 1) // trivial generate for p
{
for (p = 0; p < 256; p++)
for (p2 = 0; p2 < 256; p2++)
(t_lookup[table])[p][p2] = p;
return;
}
if (level > 50)
{
level = 100 - level;
rvr = 1;
}
else
rvr = 0;
COM_FOpenFile (va("data/ttable%i.dat", (int) level) , &f); //we can ignore the filesize return value
if (f)
{
if (fread (t_lookup[table], 256, 256, f) == 256)
{
if (rvr)
R_ReverseTable(table);
fclose(f);
return;
}
@ -81,6 +121,8 @@ void R_CalcTransTable(int table, int level)
}
}
if (r_transtablewrite.value)
{
COM_CreatePath(va("%s/data/", com_gamedir));
#if 1
f = fopen (va("%s/data/ttable%i.dat", com_gamedir, (int) level), "wb");
@ -90,6 +132,8 @@ void R_CalcTransTable(int table, int level)
{
Con_Printf("Couldn't write data to \"data/ttable%i.dat\"\n", (int) level);
fclose(f);
if (rvr)
R_ReverseTable(table); // make sure it gets reversed if needed
return;
}
fclose(f);
@ -99,6 +143,10 @@ void R_CalcTransTable(int table, int level)
#else
COM_WriteFile(va("data/ttable%i.dat", (int)level, t_lookup[table], 256*256);
#endif
}
if (rvr) // just reverse it here instead of having to do reversed writes
R_ReverseTable(table);
}
void D_InitTrans(void)
@ -111,35 +159,53 @@ void D_InitTrans(void)
//no trans palette yet..
Con_SafePrintf("Making/loading transparency lookup tables\nPlease wait...\n");
MakeVideoPalette();
MakeVideoPalette();
t_numtables = 5;
i = r_transtables.value;
if (i > 0 && i < 50) // might need a max bound sanity check here
{
t_numtables = i;
}
if ((i = COM_CheckParm("-ttables")) != 0)
{
t_numtables = Q_atoi(com_argv[i+1]);
if (t_numtables < 1)
t_numtables = 1;
if (t_numtables > 50)
t_numtables = 50;
}
else
t_numtables = 5;
t_numtablesinv = ((float)65536/t_numtables)+1;//65546/numtables
t_state = TT_ZERO;
t_curtable=0;
//t_lookup = Hunk_AllocName(sizeof(tlookup)*t_numtables, "Transtables");
t_lookup = BZ_Malloc(sizeof(tlookup)*t_numtables);
t_curlookupp = t_lookup[t_curtable];
if (r_transtablefull.value)
{
t_state = TT_ZERO|TT_USEHALF;
for (table = 0; table < t_numtables; table++)
R_CalcTransTable(table, (int)floor(((table+1)/(float)(t_numtables*2+1))*100 + 0.5));
}
else
{
if (t_numtables == 1)
R_CalcTransTable(0, 50);
else if (t_numtables == 2)
{
R_CalcTransTable(0, 50);
R_CalcTransTable(1, 100);
R_CalcTransTable(0, 33);
R_CalcTransTable(1, 67);
}
else
{
for (table = 0; table < t_numtables; table++)
R_CalcTransTable(table, 100/((float)(t_numtables-1)/table));
R_CalcTransTable(table, (int)floor(100/((float)(t_numtables-1)/table) + 0.5));
}
}
Con_Printf("Done\n");
}
@ -152,29 +218,79 @@ byte _fastcall Trans(byte p, byte p2)
}
#endif
/*
void Set_TransLevelI(int level)
{
/*
0 =0
12.5 =1
25 =2
37.5 =3
50 =4
62.5 =5
75 =6
87.5 =7
100 =8
*/
t_curtable = level/(100.0f/(t_numtables-1));
t_curlookupp = t_lookup[t_curtable];
}
*/
void Set_TransLevelF(float level) //MUST be between 0 and 1
{
// level+=1.0/(NUMTABLES-1);
if (level>1)
level = 1;
t_curtable = level*(t_numtables-1);
if (t_state & TT_USEHALF)
{
t_state = TT_ZERO;
t_curtable = floor(level*(t_numtables*2+1) + 0.5);
if (t_curtable > t_numtables)
{
t_curtable = (t_numtables*2+1)-t_curtable;
t_state = TT_REVERSE|TT_ONE;
}
if (t_curtable > 0)
{
t_state &= ~(TT_ZERO|TT_ONE);
t_curlookupp = t_lookup[t_curtable-1];
}
t_state |= TT_USEHALF;
}
else if (t_numtables == 1)
{
if (level < 0.33)
t_state = TT_ZERO;
else if (level > 0.67)
t_state = TT_ONE;
else
t_state = 0;
}
else if (t_numtables == 2)
{
if (level > 0.75)
t_state = TT_ONE;
else if (level > 0.50)
{
t_state = 0;
t_curtable = 1;
t_curlookupp = t_lookup[t_curtable];
}
else if (level > 0.25)
{
t_state = 0;
t_curtable = 0;
t_curlookupp = t_lookup[t_curtable];
}
else
t_state = TT_ZERO;
}
else
{
t_curtable = level*t_numtables;
if (t_curtable >= t_numtables)
t_state = TT_ONE;
else if (t_curtable <= 0)
t_state = TT_ZERO;
else
{
t_state = 0;
t_curlookupp = t_lookup[t_curtable];
}
}
}
#endif

2
engine/sw/r_alias.c
View file

@ -314,10 +314,12 @@ void R_AliasPreparePoints (void)
av = pauxverts;
#ifdef PEXT_TRANS
/*
if (currententity->alpha != 1)
{
Set_TransLevelF(currententity->alpha);
}
*/
#endif
for (i=0 ; i<r_anumverts ; i++, fv++, av++, r_apnewverts++, r_apoldverts++)

12
engine/sw/sw_draw.c
View file

@ -2219,6 +2219,8 @@ void SWDraw_Box(int x1, int y1, int x2, int y2, int paletteindex, float alpha)
int u, v;
Set_TransLevelF(alpha);
if (t_state & TT_ZERO)
return;
if (x1 < x2)
{
@ -2251,12 +2253,22 @@ void SWDraw_Box(int x1, int y1, int x2, int y2, int paletteindex, float alpha)
}
if (r_pixbytes == 1)
{
if (t_state & TT_ONE)
{
dest = vid.buffer + y*vid.rowbytes + x;
for (v=0 ; v<h ; v++, dest += vid.rowbytes)
for (u=0 ; u<w ; u++)
dest[u] = paletteindex;
}
else
{
dest = vid.buffer + y*vid.rowbytes + x;
for (v=0 ; v<h ; v++, dest += vid.rowbytes)
for (u=0 ; u<w ; u++)
dest[u] = Trans(dest[u], paletteindex);
}
}
else if (r_pixbytes == 4)
{
uc = d_8to32table[paletteindex];