mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-15 01:11:27 +00:00
898 lines
23 KiB
C
898 lines
23 KiB
C
/*
|
|
sw32_rsurf.c
|
|
|
|
surface-related refresh code
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#define NH_DEFINE
|
|
#include "namehack.h"
|
|
|
|
#include "QF/render.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "QF/scene/entity.h"
|
|
|
|
#include "compat.h"
|
|
#include "r_internal.h"
|
|
#include "vid_sw.h"
|
|
|
|
drawsurf_t sw32_r_drawsurf;
|
|
|
|
static int lightleft, blocksize, sourcetstep;
|
|
static int lightright, lightleftstep, lightrightstep, blockdivshift;
|
|
static unsigned int blockdivmask;
|
|
static byte *prowdestbase;
|
|
static byte *psource;
|
|
static int surfrowbytes;
|
|
static int *r_lightptr;
|
|
static int r_stepback;
|
|
static int r_lightwidth;
|
|
static int r_numhblocks, r_numvblocks;
|
|
static byte *r_source, *r_sourcemax;
|
|
|
|
static void R_DrawSurfaceBlock8_mip0 (void);
|
|
static void R_DrawSurfaceBlock8_mip1 (void);
|
|
static void R_DrawSurfaceBlock8_mip2 (void);
|
|
static void R_DrawSurfaceBlock8_mip3 (void);
|
|
static void R_DrawSurfaceBlock16_mip0 (void);
|
|
static void R_DrawSurfaceBlock16_mip1 (void);
|
|
static void R_DrawSurfaceBlock16_mip2 (void);
|
|
static void R_DrawSurfaceBlock16_mip3 (void);
|
|
static void R_DrawSurfaceBlock32_mip0 (void);
|
|
static void R_DrawSurfaceBlock32_mip1 (void);
|
|
static void R_DrawSurfaceBlock32_mip2 (void);
|
|
static void R_DrawSurfaceBlock32_mip3 (void);
|
|
|
|
static void (*surfmiptable8[4]) (void) = {
|
|
R_DrawSurfaceBlock8_mip0,
|
|
R_DrawSurfaceBlock8_mip1,
|
|
R_DrawSurfaceBlock8_mip2,
|
|
R_DrawSurfaceBlock8_mip3
|
|
};
|
|
|
|
static void (*surfmiptable16[4]) (void) = {
|
|
R_DrawSurfaceBlock16_mip0,
|
|
R_DrawSurfaceBlock16_mip1,
|
|
R_DrawSurfaceBlock16_mip2,
|
|
R_DrawSurfaceBlock16_mip3
|
|
};
|
|
|
|
static void (*surfmiptable32[4]) (void) = {
|
|
R_DrawSurfaceBlock32_mip0,
|
|
R_DrawSurfaceBlock32_mip1,
|
|
R_DrawSurfaceBlock32_mip2,
|
|
R_DrawSurfaceBlock32_mip3
|
|
};
|
|
|
|
static int blocklights[34 * 34]; //FIXME make dynamic
|
|
|
|
|
|
static void
|
|
R_AddDynamicLights (void)
|
|
{
|
|
msurface_t *surf;
|
|
unsigned int lnum;
|
|
int sd, td;
|
|
float dist, rad, minlight;
|
|
vec3_t impact, local, lightorigin;
|
|
vec4f_t entorigin = { 0, 0, 0, 1 };
|
|
int s, t;
|
|
int i;
|
|
int smax, tmax;
|
|
mtexinfo_t *tex;
|
|
|
|
surf = sw32_r_drawsurf.surf;
|
|
smax = (surf->extents[0] >> 4) + 1;
|
|
tmax = (surf->extents[1] >> 4) + 1;
|
|
tex = surf->texinfo;
|
|
|
|
if (currententity->transform) {
|
|
//FIXME give world entity a transform
|
|
entorigin = Transform_GetWorldPosition (currententity->transform);
|
|
}
|
|
|
|
for (lnum = 0; lnum < r_maxdlights; lnum++) {
|
|
if (!(surf->dlightbits[lnum / 32] & (1 << (lnum % 32))))
|
|
continue; // not lit by this light
|
|
|
|
VectorSubtract (r_dlights[lnum].origin, entorigin, lightorigin);
|
|
rad = r_dlights[lnum].radius;
|
|
dist = DotProduct (lightorigin, surf->plane->normal) -
|
|
surf->plane->dist;
|
|
rad -= fabs (dist);
|
|
minlight = r_dlights[lnum].minlight;
|
|
if (rad < minlight)
|
|
continue;
|
|
minlight = rad - minlight;
|
|
|
|
for (i = 0; i < 3; i++)
|
|
impact[i] = lightorigin[i] - surf->plane->normal[i] * dist;
|
|
|
|
local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3];
|
|
local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3];
|
|
|
|
local[0] -= surf->texturemins[0];
|
|
local[1] -= surf->texturemins[1];
|
|
|
|
for (t = 0; t < tmax; t++) {
|
|
td = local[1] - t * 16;
|
|
if (td < 0)
|
|
td = -td;
|
|
for (s = 0; s < smax; s++) {
|
|
sd = local[0] - s * 16;
|
|
if (sd < 0)
|
|
sd = -sd;
|
|
if (sd > td)
|
|
dist = sd + (td >> 1);
|
|
else
|
|
dist = td + (sd >> 1);
|
|
if (dist < minlight)
|
|
blocklights[t * smax + s] += (rad - dist) * 256;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
R_BuildLightMap
|
|
|
|
Combine and scale multiple lightmaps into the 8.8 format in blocklights
|
|
*/
|
|
static void
|
|
R_BuildLightMap (void)
|
|
{
|
|
int smax, tmax;
|
|
int t;
|
|
int i, size;
|
|
byte *lightmap;
|
|
unsigned int scale;
|
|
int maps;
|
|
msurface_t *surf;
|
|
|
|
surf = sw32_r_drawsurf.surf;
|
|
|
|
smax = (surf->extents[0] >> 4) + 1;
|
|
tmax = (surf->extents[1] >> 4) + 1;
|
|
size = smax * tmax;
|
|
lightmap = surf->samples;
|
|
|
|
if (!r_worldentity.renderer.model->brush.lightdata) {
|
|
for (i = 0; i < size; i++)
|
|
blocklights[i] = 0;
|
|
return;
|
|
}
|
|
// clear to ambient
|
|
for (i = 0; i < size; i++)
|
|
blocklights[i] = r_refdef.ambientlight << 8;
|
|
|
|
// add all the lightmaps
|
|
if (lightmap)
|
|
for (maps = 0; maps < MAXLIGHTMAPS && surf->styles[maps] != 255; maps++) {
|
|
scale = sw32_r_drawsurf.lightadj[maps]; // 8.8 fraction
|
|
for (i = 0; i < size; i++)
|
|
blocklights[i] += lightmap[i] * scale;
|
|
lightmap += size; // skip to next lightmap
|
|
}
|
|
// add all the dynamic lights
|
|
if (surf->dlightframe == r_framecount)
|
|
R_AddDynamicLights ();
|
|
|
|
/*
|
|
* JohnnyonFlame:
|
|
* 32 and 16bpp modes uses the positive lighting, unlike 8bpp
|
|
*/
|
|
switch (sw32_ctx->pixbytes) {
|
|
case 1:
|
|
// bound, invert, and shift
|
|
for (i = 0; i < size; i++) {
|
|
t = (255 * 256 - blocklights[i]) >> (8 - VID_CBITS);
|
|
|
|
if (t < (1 << 6))
|
|
t = (1 << 6);
|
|
|
|
blocklights[i] = t;
|
|
}
|
|
break;
|
|
default:
|
|
// LordHavoc: changed to positive (not inverse) lighting
|
|
for (i = 0; i < size; i++) {
|
|
t = bound(256, blocklights[i] >> (8 - VID_CBITS),
|
|
256 * (VID_GRADES - 1));
|
|
blocklights[i] = t;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
sw32_R_DrawSurface (void)
|
|
{
|
|
byte *basetptr;
|
|
int smax, tmax, twidth;
|
|
int u;
|
|
int soffset, basetoffset, texwidth;
|
|
int horzblockstep;
|
|
byte *pcolumndest;
|
|
void (*pblockdrawer) (void);
|
|
texture_t *mt;
|
|
|
|
// calculate the lightings
|
|
R_BuildLightMap ();
|
|
|
|
surfrowbytes = sw32_r_drawsurf.rowbytes;
|
|
|
|
mt = sw32_r_drawsurf.texture;
|
|
|
|
r_source = (byte *) mt + mt->offsets[sw32_r_drawsurf.surfmip];
|
|
|
|
// the fractional light values should range from 0 to
|
|
// (VID_GRADES - 1) << 16 from a source range of 0 - 255
|
|
|
|
texwidth = mt->width >> sw32_r_drawsurf.surfmip;
|
|
|
|
blocksize = 16 >> sw32_r_drawsurf.surfmip;
|
|
blockdivshift = 4 - sw32_r_drawsurf.surfmip;
|
|
blockdivmask = (1 << blockdivshift) - 1;
|
|
|
|
r_lightwidth = (sw32_r_drawsurf.surf->extents[0] >> 4) + 1;
|
|
|
|
r_numhblocks = sw32_r_drawsurf.surfwidth >> blockdivshift;
|
|
r_numvblocks = sw32_r_drawsurf.surfheight >> blockdivshift;
|
|
|
|
//==============================
|
|
|
|
smax = mt->width >> sw32_r_drawsurf.surfmip;
|
|
twidth = texwidth;
|
|
tmax = mt->height >> sw32_r_drawsurf.surfmip;
|
|
sourcetstep = texwidth;
|
|
r_stepback = tmax * twidth;
|
|
|
|
soffset = sw32_r_drawsurf.surf->texturemins[0];
|
|
basetoffset = sw32_r_drawsurf.surf->texturemins[1];
|
|
|
|
switch (sw32_ctx->pixbytes) {
|
|
case 1:
|
|
pblockdrawer = surfmiptable8[sw32_r_drawsurf.surfmip];
|
|
break;
|
|
case 2:
|
|
pblockdrawer = surfmiptable16[sw32_r_drawsurf.surfmip];
|
|
break;
|
|
case 4:
|
|
pblockdrawer = surfmiptable32[sw32_r_drawsurf.surfmip];
|
|
break;
|
|
default:
|
|
Sys_Error("R_DrawSurface: unsupported r_pixbytes %i", sw32_ctx->pixbytes);
|
|
pblockdrawer = NULL;
|
|
}
|
|
|
|
horzblockstep = blocksize * sw32_ctx->pixbytes;
|
|
|
|
r_sourcemax = r_source + (tmax * smax);
|
|
|
|
// << 16 components are to guarantee positive values for %
|
|
basetptr = r_source + (((basetoffset >> sw32_r_drawsurf.surfmip) +
|
|
(tmax << 16)) % tmax) * twidth;
|
|
soffset = (((soffset >> sw32_r_drawsurf.surfmip) + (smax << 16)) % smax);
|
|
|
|
pcolumndest = (byte *) sw32_r_drawsurf.surfdat;
|
|
|
|
for (u = 0; u < r_numhblocks; u++) {
|
|
r_lightptr = blocklights + u;
|
|
|
|
prowdestbase = pcolumndest;
|
|
|
|
psource = basetptr + soffset;
|
|
|
|
(*pblockdrawer) ();
|
|
|
|
soffset = soffset + blocksize;
|
|
if (soffset >= smax)
|
|
soffset = 0;
|
|
|
|
pcolumndest += horzblockstep;
|
|
}
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
static void
|
|
R_DrawSurfaceBlock8_mip0 (void)
|
|
{
|
|
int v, i, b, lightstep, light;
|
|
unsigned char pix, *prowdest;
|
|
|
|
prowdest = prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++) {
|
|
// FIXME: make these locals?
|
|
// FIXME: use delta rather than both right and left, like ASM?
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 4;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 4;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
lightstep = (lightleft - lightright) >> 4;
|
|
|
|
light = lightright;
|
|
|
|
for (b = 15; b >= 0; b--) {
|
|
pix = psource[b];
|
|
prowdest[b] = vid.colormap8[(light & 0xFF00) + pix];
|
|
light += lightstep;
|
|
}
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += surfrowbytes;
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock8_mip1 (void)
|
|
{
|
|
int v, i, b, lightstep, light;
|
|
unsigned char pix, *prowdest;
|
|
|
|
prowdest = prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++) {
|
|
// FIXME: make these locals?
|
|
// FIXME: use delta rather than both right and left, like ASM?
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 3;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 3;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
lightstep = (lightleft - lightright) >> 3;
|
|
|
|
light = lightright;
|
|
|
|
for (b = 7; b >= 0; b--) {
|
|
pix = psource[b];
|
|
prowdest[b] = vid.colormap8[(light & 0xFF00) + pix];
|
|
light += lightstep;
|
|
}
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += surfrowbytes;
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock8_mip2 (void)
|
|
{
|
|
int v, i, b, lightstep, light;
|
|
unsigned char pix, *prowdest;
|
|
|
|
prowdest = prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++) {
|
|
// FIXME: make these locals?
|
|
// FIXME: use delta rather than both right and left, like ASM?
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 2;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 2;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
lightstep = (lightleft - lightright) >> 2;
|
|
|
|
light = lightright;
|
|
|
|
for (b = 3; b >= 0; b--) {
|
|
pix = psource[b];
|
|
prowdest[b] = vid.colormap8[(light & 0xFF00) + pix];
|
|
light += lightstep;
|
|
}
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += surfrowbytes;
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock8_mip3 (void)
|
|
{
|
|
int v, i, b, lightstep, light;
|
|
unsigned char pix, *prowdest;
|
|
|
|
prowdest = prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++) {
|
|
// FIXME: make these locals?
|
|
// FIXME: use delta rather than both right and left, like ASM?
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 1;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 1;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
lightstep = (lightleft - lightright) >> 1;
|
|
|
|
light = lightright;
|
|
|
|
for (b = 1; b >= 0; b--) {
|
|
pix = psource[b];
|
|
prowdest[b] = vid.colormap8[(light & 0xFF00) + pix];
|
|
light += lightstep;
|
|
}
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += surfrowbytes;
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock16_mip0 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned short *prowdest;
|
|
|
|
prowdest = (unsigned short *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 4;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 4;
|
|
|
|
for (k = 0; k < 16; k++)
|
|
{
|
|
light = lightleft;
|
|
lightstep = (lightright - lightleft) >> 4;
|
|
|
|
prowdest[0] = vid.colormap16[(light & 0xFF00) + psource[0]];
|
|
light += lightstep;
|
|
prowdest[1] = vid.colormap16[(light & 0xFF00) + psource[1]];
|
|
light += lightstep;
|
|
prowdest[2] = vid.colormap16[(light & 0xFF00) + psource[2]];
|
|
light += lightstep;
|
|
prowdest[3] = vid.colormap16[(light & 0xFF00) + psource[3]];
|
|
light += lightstep;
|
|
prowdest[4] = vid.colormap16[(light & 0xFF00) + psource[4]];
|
|
light += lightstep;
|
|
prowdest[5] = vid.colormap16[(light & 0xFF00) + psource[5]];
|
|
light += lightstep;
|
|
prowdest[6] = vid.colormap16[(light & 0xFF00) + psource[6]];
|
|
light += lightstep;
|
|
prowdest[7] = vid.colormap16[(light & 0xFF00) + psource[7]];
|
|
light += lightstep;
|
|
prowdest[8] = vid.colormap16[(light & 0xFF00) + psource[8]];
|
|
light += lightstep;
|
|
prowdest[9] = vid.colormap16[(light & 0xFF00) + psource[9]];
|
|
light += lightstep;
|
|
prowdest[10] = vid.colormap16[(light & 0xFF00) + psource[10]];
|
|
light += lightstep;
|
|
prowdest[11] = vid.colormap16[(light & 0xFF00) + psource[11]];
|
|
light += lightstep;
|
|
prowdest[12] = vid.colormap16[(light & 0xFF00) + psource[12]];
|
|
light += lightstep;
|
|
prowdest[13] = vid.colormap16[(light & 0xFF00) + psource[13]];
|
|
light += lightstep;
|
|
prowdest[14] = vid.colormap16[(light & 0xFF00) + psource[14]];
|
|
light += lightstep;
|
|
prowdest[15] = vid.colormap16[(light & 0xFF00) + psource[15]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 1);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock16_mip1 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned short *prowdest;
|
|
|
|
prowdest = (unsigned short *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 3;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 3;
|
|
|
|
for (k = 0; k < 8; k++)
|
|
{
|
|
light = lightleft;
|
|
lightstep = (lightright - lightleft) >> 3;
|
|
|
|
prowdest[0] = vid.colormap16[(light & 0xFF00) + psource[0]];
|
|
light += lightstep;
|
|
prowdest[1] = vid.colormap16[(light & 0xFF00) + psource[1]];
|
|
light += lightstep;
|
|
prowdest[2] = vid.colormap16[(light & 0xFF00) + psource[2]];
|
|
light += lightstep;
|
|
prowdest[3] = vid.colormap16[(light & 0xFF00) + psource[3]];
|
|
light += lightstep;
|
|
prowdest[4] = vid.colormap16[(light & 0xFF00) + psource[4]];
|
|
light += lightstep;
|
|
prowdest[5] = vid.colormap16[(light & 0xFF00) + psource[5]];
|
|
light += lightstep;
|
|
prowdest[6] = vid.colormap16[(light & 0xFF00) + psource[6]];
|
|
light += lightstep;
|
|
prowdest[7] = vid.colormap16[(light & 0xFF00) + psource[7]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 1);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock16_mip2 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned short *prowdest;
|
|
|
|
prowdest = (unsigned short *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 2;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 2;
|
|
|
|
for (k = 0; k < 4; k++)
|
|
{
|
|
light = lightleft;
|
|
lightstep = (lightright - lightleft) >> 2;
|
|
|
|
prowdest[0] = vid.colormap16[(light & 0xFF00) + psource[0]];
|
|
light += lightstep;
|
|
prowdest[1] = vid.colormap16[(light & 0xFF00) + psource[1]];
|
|
light += lightstep;
|
|
prowdest[2] = vid.colormap16[(light & 0xFF00) + psource[2]];
|
|
light += lightstep;
|
|
prowdest[3] = vid.colormap16[(light & 0xFF00) + psource[3]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 1);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock16_mip3 (void)
|
|
{
|
|
int v;
|
|
unsigned short *prowdest;
|
|
|
|
prowdest = (unsigned short *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 1;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 1;
|
|
|
|
prowdest[0] = vid.colormap16[(lightleft & 0xFF00) + psource[0]];
|
|
prowdest[1] = vid.colormap16[(((lightleft + lightright) >> 1) &
|
|
0xFF00) + psource[1]];
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 1);
|
|
|
|
prowdest[0] = vid.colormap16[(lightleft & 0xFF00) + psource[0]];
|
|
prowdest[1] = vid.colormap16[(((lightleft + lightright) >> 1) &
|
|
0xFF00) + psource[1]];
|
|
psource += sourcetstep;
|
|
prowdest += (surfrowbytes >> 1);
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock32_mip0 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned int *prowdest;
|
|
|
|
prowdest = (unsigned int *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 4;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 4;
|
|
|
|
for (k = 0; k < 16; k++)
|
|
{
|
|
light = lightleft;
|
|
lightstep = (lightright - lightleft) >> 4;
|
|
|
|
prowdest[0] = vid.colormap32[(light & 0xFF00) + psource[0]];
|
|
light += lightstep;
|
|
prowdest[1] = vid.colormap32[(light & 0xFF00) + psource[1]];
|
|
light += lightstep;
|
|
prowdest[2] = vid.colormap32[(light & 0xFF00) + psource[2]];
|
|
light += lightstep;
|
|
prowdest[3] = vid.colormap32[(light & 0xFF00) + psource[3]];
|
|
light += lightstep;
|
|
prowdest[4] = vid.colormap32[(light & 0xFF00) + psource[4]];
|
|
light += lightstep;
|
|
prowdest[5] = vid.colormap32[(light & 0xFF00) + psource[5]];
|
|
light += lightstep;
|
|
prowdest[6] = vid.colormap32[(light & 0xFF00) + psource[6]];
|
|
light += lightstep;
|
|
prowdest[7] = vid.colormap32[(light & 0xFF00) + psource[7]];
|
|
light += lightstep;
|
|
prowdest[8] = vid.colormap32[(light & 0xFF00) + psource[8]];
|
|
light += lightstep;
|
|
prowdest[9] = vid.colormap32[(light & 0xFF00) + psource[9]];
|
|
light += lightstep;
|
|
prowdest[10] = vid.colormap32[(light & 0xFF00) + psource[10]];
|
|
light += lightstep;
|
|
prowdest[11] = vid.colormap32[(light & 0xFF00) + psource[11]];
|
|
light += lightstep;
|
|
prowdest[12] = vid.colormap32[(light & 0xFF00) + psource[12]];
|
|
light += lightstep;
|
|
prowdest[13] = vid.colormap32[(light & 0xFF00) + psource[13]];
|
|
light += lightstep;
|
|
prowdest[14] = vid.colormap32[(light & 0xFF00) + psource[14]];
|
|
light += lightstep;
|
|
prowdest[15] = vid.colormap32[(light & 0xFF00) + psource[15]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 2);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock32_mip1 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned int *prowdest;
|
|
|
|
prowdest = (unsigned int *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 3;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 3;
|
|
|
|
for (k = 0; k < 8; k++)
|
|
{
|
|
light = lightleft;
|
|
lightstep = (lightright - lightleft) >> 3;
|
|
|
|
prowdest[0] = vid.colormap32[(light & 0xFF00) + psource[0]];
|
|
light += lightstep;
|
|
prowdest[1] = vid.colormap32[(light & 0xFF00) + psource[1]];
|
|
light += lightstep;
|
|
prowdest[2] = vid.colormap32[(light & 0xFF00) + psource[2]];
|
|
light += lightstep;
|
|
prowdest[3] = vid.colormap32[(light & 0xFF00) + psource[3]];
|
|
light += lightstep;
|
|
prowdest[4] = vid.colormap32[(light & 0xFF00) + psource[4]];
|
|
light += lightstep;
|
|
prowdest[5] = vid.colormap32[(light & 0xFF00) + psource[5]];
|
|
light += lightstep;
|
|
prowdest[6] = vid.colormap32[(light & 0xFF00) + psource[6]];
|
|
light += lightstep;
|
|
prowdest[7] = vid.colormap32[(light & 0xFF00) + psource[7]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 2);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock32_mip2 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned int *prowdest;
|
|
|
|
prowdest = (unsigned int *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 2;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 2;
|
|
|
|
for (k = 0; k < 4; k++)
|
|
{
|
|
light = lightleft;
|
|
lightstep = (lightright - lightleft) >> 2;
|
|
|
|
prowdest[0] = vid.colormap32[(light & 0xFF00) + psource[0]];
|
|
light += lightstep;
|
|
prowdest[1] = vid.colormap32[(light & 0xFF00) + psource[1]];
|
|
light += lightstep;
|
|
prowdest[2] = vid.colormap32[(light & 0xFF00) + psource[2]];
|
|
light += lightstep;
|
|
prowdest[3] = vid.colormap32[(light & 0xFF00) + psource[3]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 2);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_DrawSurfaceBlock32_mip3 (void)
|
|
{
|
|
int v;
|
|
unsigned int *prowdest;
|
|
|
|
prowdest = (unsigned int *) prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++)
|
|
{
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> 1;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> 1;
|
|
|
|
prowdest[0] = vid.colormap32[(lightleft & 0xFF00) + psource[0]];
|
|
prowdest[1] = vid.colormap32[(((lightleft + lightright) >> 1) &
|
|
0xFF00) + psource[1]];
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 2);
|
|
|
|
prowdest[0] = vid.colormap32[(lightleft & 0xFF00) + psource[0]];
|
|
prowdest[1] = vid.colormap32[(((lightleft + lightright) >> 1) &
|
|
0xFF00) + psource[1]];
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 2);
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
|
|
/*
|
|
void
|
|
R_DrawSurfaceBlock32 (void)
|
|
{
|
|
int k, v;
|
|
int lightstep, light;
|
|
unsigned int *prowdest;
|
|
|
|
prowdest = prowdestbase;
|
|
|
|
for (v = 0; v < r_numvblocks; v++) {
|
|
|
|
lightleft = r_lightptr[0];
|
|
lightright = r_lightptr[1];
|
|
r_lightptr += r_lightwidth;
|
|
lightleftstep = (r_lightptr[0] - lightleft) >> blockdivshift;
|
|
lightrightstep = (r_lightptr[1] - lightright) >> blockdivshift;
|
|
|
|
for (k = 0; k < blocksize; k++) {
|
|
int b;
|
|
|
|
lightstep = (lightright - lightleft) >> blockdivshift;
|
|
|
|
light = lightleft;
|
|
|
|
for (b = 0;b < blocksize;b++, light += lightstep)
|
|
prowdest[b] = vid.colormap32[(light & 0xFF00) + psource[b]];
|
|
|
|
psource += sourcetstep;
|
|
lightright += lightrightstep;
|
|
lightleft += lightleftstep;
|
|
prowdest += (surfrowbytes >> 2);
|
|
}
|
|
|
|
if (psource >= r_sourcemax)
|
|
psource -= r_stepback;
|
|
}
|
|
}
|
|
*/
|