lifning
/
SRB2
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add masked FOF slopes (+other rendering tweaks)

This commit is contained in:
RedEnchilada 2015-08-03 14:47:05 -05:00
parent e00d682185
commit 6026fa42eb
3 changed files with 163 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/r_draw.h
View File

@ -154,6 +154,7 @@ void R_DrawSpan_8(void);
#ifdef ESLOPE
void R_DrawTiltedSpan_8(void);
void R_DrawTiltedTranslucentSpan_8(void);
void R_DrawTiltedSplat_8(void);
#endif
void R_DrawSplat_8(void);
void R_DrawTranslucentSplat_8(void);

171
src/r_draw8.c
View File

@ -593,8 +593,8 @@ void R_DrawTiltedSpan_8(void)
do
{
double z = 1.f/iz;
u = (UINT32)(uz*z) + viewx;
v = (UINT32)(vz*z) + viewy;
u = (INT64)(uz*z) + viewx;
v = (INT64)(vz*z) + viewy;
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
@ -630,8 +630,8 @@ void R_DrawTiltedSpan_8(void)
double endv = vz*endz;
UINT32 stepu = (INT64)((endu - startu) * INVSPAN);
UINT32 stepv = (INT64)((endv - startv) * INVSPAN);
u = (UINT32)(startu) + viewx;
v = (UINT32)(startv) + viewy;
u = (INT64)(startu) + viewx;
v = (INT64)(startv) + viewy;
for (i = SPANSIZE-1; i >= 0; i--)
{
@ -649,8 +649,8 @@ void R_DrawTiltedSpan_8(void)
{
if (width == 1)
{
u = (UINT32)(startu);
v = (UINT32)(startv);
u = (INT64)(startu);
v = (INT64)(startv);
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
*dest = colormap[source[((v >> nflatyshift) & nflatmask) | (u >> nflatxshift)]];
}
@ -667,8 +667,8 @@ void R_DrawTiltedSpan_8(void)
left = 1.f/left;
UINT32 stepu = (INT64)((endu - startu) * left);
UINT32 stepv = (INT64)((endv - startv) * left);
u = (UINT32)(startu) + viewx;
v = (UINT32)(startv) + viewy;
u = (INT64)(startu) + viewx;
v = (INT64)(startv) + viewy;
for (; width != 0; width--)
{
@ -726,8 +726,8 @@ void R_DrawTiltedTranslucentSpan_8(void)
do
{
double z = 1.f/iz;
u = (UINT32)(uz*z) + viewx;
v = (UINT32)(vz*z) + viewy;
u = (INT64)(uz*z) + viewx;
v = (INT64)(vz*z) + viewy;
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
@ -763,8 +763,8 @@ void R_DrawTiltedTranslucentSpan_8(void)
double endv = vz*endz;
UINT32 stepu = (INT64)((endu - startu) * INVSPAN);
UINT32 stepv = (INT64)((endv - startv) * INVSPAN);
u = (UINT32)(startu) + viewx;
v = (UINT32)(startv) + viewy;
u = (INT64)(startu) + viewx;
v = (INT64)(startv) + viewy;
for (i = SPANSIZE-1; i >= 0; i--)
{
@ -782,8 +782,8 @@ void R_DrawTiltedTranslucentSpan_8(void)
{
if (width == 1)
{
u = (UINT32)(startu);
v = (UINT32)(startv);
u = (INT64)(startu);
v = (INT64)(startv);
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
*dest = colormap[*(ds_transmap + (source[((v >> nflatyshift) & nflatmask) | (u >> nflatxshift)] << 8) + dest[0])];
}
@ -800,8 +800,8 @@ void R_DrawTiltedTranslucentSpan_8(void)
left = 1.f/left;
UINT32 stepu = (INT64)((endu - startu) * left);
UINT32 stepv = (INT64)((endv - startv) * left);
u = (UINT32)(startu) + viewx;
v = (UINT32)(startv) + viewy;
u = (INT64)(startu) + viewx;
v = (INT64)(startv) + viewy;
for (; width != 0; width--)
{
@ -815,6 +815,145 @@ void R_DrawTiltedTranslucentSpan_8(void)
}
#endif
}
void R_DrawTiltedSplat_8(void)
{
// x1, x2 = ds_x1, ds_x2
int width = ds_x2 - ds_x1;
double iz, uz, vz;
UINT32 u, v;
int i;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
UINT8 val;
iz = ds_sz.z + ds_sz.y*(centery-ds_y) + ds_sz.x*(ds_x1-centerx);
// Lighting is simple. It's just linear interpolation from start to end
{
float planelightfloat = BASEVIDWIDTH*BASEVIDWIDTH/vid.width / (zeroheight - FIXED_TO_FLOAT(viewz)) / 21.0f;
float lightstart, lightend;
lightend = (iz + ds_sz.x*width) * planelightfloat;
lightstart = iz * planelightfloat;
R_CalcTiltedLighting(FLOAT_TO_FIXED(lightstart), FLOAT_TO_FIXED(lightend));
//CONS_Printf("tilted lighting %f to %f (foc %f)\n", lightstart, lightend, focallengthf);
}
uz = ds_su.z + ds_su.y*(centery-ds_y) + ds_su.x*(ds_x1-centerx);
vz = ds_sv.z + ds_sv.y*(centery-ds_y) + ds_sv.x*(ds_x1-centerx);
dest = ylookup[ds_y] + columnofs[ds_x1];
source = ds_source;
//colormap = ds_colormap;
#if 0 // The "perfect" reference version of this routine. Pretty slow.
// Use it only to see how things are supposed to look.
i = 0;
do
{
double z = 1.f/iz;
u = (INT64)(uz*z) + viewx;
v = (INT64)(vz*z) + viewy;
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
val = colormap[source[((v >> nflatyshift) & nflatmask) | (u >> nflatxshift)]];
if (val != TRANSPARENTPIXEL)
*dest = val;
dest++;
iz += ds_sz.x;
uz += ds_su.x;
vz += ds_sv.x;
} while (--width >= 0);
#else
#define SPANSIZE 16
#define INVSPAN 0.0625f
double startz = 1.f/iz;
double startu = uz*startz;
double startv = vz*startz;
double izstep, uzstep, vzstep;
izstep = ds_sz.x * SPANSIZE;
uzstep = ds_su.x * SPANSIZE;
vzstep = ds_sv.x * SPANSIZE;
//x1 = 0;
width++;
while (width >= SPANSIZE)
{
iz += izstep;
uz += uzstep;
vz += vzstep;
double endz = 1.f/iz;
double endu = uz*endz;
double endv = vz*endz;
UINT32 stepu = (INT64)((endu - startu) * INVSPAN);
UINT32 stepv = (INT64)((endv - startv) * INVSPAN);
u = (INT64)(startu) + viewx;
v = (INT64)(startv) + viewy;
for (i = SPANSIZE-1; i >= 0; i--)
{
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
val = colormap[source[((v >> nflatyshift) & nflatmask) | (u >> nflatxshift)]];
if (val != TRANSPARENTPIXEL)
*dest = val;
dest++;
u += stepu;
v += stepv;
}
startu = endu;
startv = endv;
width -= SPANSIZE;
}
if (width > 0)
{
if (width == 1)
{
u = (INT64)(startu);
v = (INT64)(startv);
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
val = colormap[source[((v >> nflatyshift) & nflatmask) | (u >> nflatxshift)]];
if (val != TRANSPARENTPIXEL)
*dest = val;
}
else
{
double left = width;
iz += ds_sz.x * left;
uz += ds_su.x * left;
vz += ds_sv.x * left;
double endz = 1.f/iz;
double endu = uz*endz;
double endv = vz*endz;
left = 1.f/left;
UINT32 stepu = (INT64)((endu - startu) * left);
UINT32 stepv = (INT64)((endv - startv) * left);
u = (INT64)(startu) + viewx;
v = (INT64)(startv) + viewy;
for (; width != 0; width--)
{
colormap = planezlight[tiltlighting[ds_x1++]] + (ds_colormap - colormaps);
val = colormap[source[((v >> nflatyshift) & nflatmask) | (u >> nflatxshift)]];
if (val != TRANSPARENTPIXEL)
*dest = val;
dest++;
u += stepu;
v += stepv;
}
}
}
#endif
}
#endif // ESLOPE
/** \brief The R_DrawSplat_8 function

8
src/r_plane.c
View File

@ -836,7 +836,11 @@ void R_DrawSinglePlane(visplane_t *pl)
else light = (pl->lightlevel >> LIGHTSEGSHIFT);
#ifndef NOWATER
if (pl->ffloor->flags & FF_RIPPLE)
if (pl->ffloor->flags & FF_RIPPLE
#ifdef ESLOPE
&& !pl->slope
#endif
)
{
INT32 top, bottom;
@ -1024,6 +1028,8 @@ void R_DrawSinglePlane(visplane_t *pl)
if (spanfunc == R_DrawTranslucentSpan_8)
spanfunc = R_DrawTiltedTranslucentSpan_8;
else if (spanfunc == splatfunc)
spanfunc = R_DrawTiltedSplat_8;
else
spanfunc = R_DrawTiltedSpan_8;