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Polymost-like shading.

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git-svn-id: https://svn.eduke32.com/eduke32@1298 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2009-04-11 18:01:39 +00:00
parent 09c883e700
commit 652262626a
4 changed files with 64 additions and 15 deletions
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1
polymer/eduke32/build/include/polymer.h
View file

@ -61,6 +61,7 @@ typedef enum {
PR_BIT_SPECULAR_MAP,
PR_BIT_SPECULAR_MATERIAL,
PR_BIT_MIRROR_MAP,
PR_BIT_FOG,
PR_BIT_GLOW_MAP,
PR_BIT_SHADOW_MAP,
PR_BIT_SPOT_LIGHT,

8
polymer/eduke32/build/include/polymost.h
View file

@ -7,6 +7,8 @@
#define CULL_DELAY 2
#define MAXCULLCHECKS 1024
#define FOGSCALE 0.0000640
extern int32_t lastcullcheck;
extern char cullmodel[MAXSPRITES];
extern int32_t cullcheckcnt;
@ -20,7 +22,7 @@ extern float gtang;
extern float glox1, gloy1;
extern double gxyaspect, grhalfxdown10x;
extern double gcosang, gsinang, gcosang2, gsinang2;
extern double gchang, gshang, gctang, gstang;
extern double gchang, gshang, gctang, gstang, gvisibility;
struct glfiltermodes {
char *name;
@ -119,6 +121,10 @@ extern float shadescale;
extern int32_t globalnoeffect;
extern int32_t drawingskybox;
extern float fogresult, fogcol[4], fogtable[4*MAXPALOOKUPS];
void fogcalc(const int32_t shade, const int32_t vis, const int32_t pal);
#endif
#endif

65
polymer/eduke32/build/src/polymer.c
View file

@ -3,6 +3,7 @@
#define POLYMER_C
#include "polymer.h"
#include "engine_priv.h"
// CVARS
int32_t pr_maxlightpasses = 5;
@ -333,6 +334,24 @@ _prprogrambit prprogrambits[PR_BIT_COUNT] = {
" result = vec4((result.rgb * (1.0 - specTexel.a)) + (mirrorTexel.rgb * specTexel.rgb * specTexel.a), result.a);\n"
"\n",
},
{
1 << PR_BIT_FOG,
// vert_def
"",
// vert_prog
"",
// frag_def
"",
// frag_prog
" float fragDepth;\n"
" float fogFactor;\n"
"\n"
" fragDepth = gl_FragCoord.z / gl_FragCoord.w / 35;\n"
" fragDepth *= fragDepth;\n"
" fogFactor = exp2(-gl_Fog.density * gl_Fog.density * fragDepth * 1.442695);\n"
" result.rgb = mix(gl_Fog.color.rgb, result.rgb, fogFactor);\n"
"\n",
},
{
1 << PR_BIT_GLOW_MAP,
// vert_def
@ -572,8 +591,6 @@ int32_t polymer_init(void)
void polymer_glinit(void)
{
float a;
bglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
bglClearStencil(0);
bglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
@ -610,15 +627,6 @@ void polymer_glinit(void)
bglDisable(GL_FOG);
bglFogi(GL_FOG_MODE, GL_EXP2);
//glFogfv(GL_FOG_COLOR, fogColor);
bglEnable(GL_FOG);
a = (1 - ((float)(visibility) / 512.0f)) / 10.0f;
bglFogf(GL_FOG_DENSITY, 0.1f - a);
bglFogf(GL_FOG_START, 0.0f);
bglFogf(GL_FOG_END, 1000000.0f);
bglEnable(GL_CULL_FACE);
bglCullFace(GL_BACK);
}
@ -657,6 +665,9 @@ void polymer_drawrooms(int32_t daposx, int32_t daposy, int32_t da
if (pr_verbosity >= 3) OSD_Printf("PR : Drawing rooms...\n");
// fogcalc needs this
gvisibility = ((float)globalvisibility)*FOGSCALE;
ang = (float)(daang) / (2048.0f / 360.0f);
horizang = (float)(-getangle(128, dahoriz-100)) / (2048.0f / 360.0f);
tiltang = (gtang * 90.0f);
@ -806,12 +817,20 @@ void polymer_rotatesprite(int32_t sx, int32_t sy, int32_t z, int1
void polymer_drawmaskwall(int32_t damaskwallcnt)
{
sectortype *sec;
walltype *wal;
_prwall *w;
if (pr_verbosity >= 3) OSD_Printf("PR : Masked wall %i...\n", damaskwallcnt);
sec = &sector[sectorofwall(maskwall[damaskwallcnt])];
wal = &wall[maskwall[damaskwallcnt]];
w = prwalls[maskwall[damaskwallcnt]];
fogcalc(wal->shade,sec->visibility,sec->floorpal);
bglFogf(GL_FOG_DENSITY,fogresult);
bglFogfv(GL_FOG_COLOR,fogcol);
bglEnable(GL_CULL_FACE);
polymer_drawplane(&w->mask);
@ -831,6 +850,10 @@ void polymer_drawsprite(int32_t snum)
tspr = tspriteptr[snum];
fogcalc(tspr->shade,sector[tspr->sectnum].visibility,sector[tspr->sectnum].floorpal);
bglFogf(GL_FOG_DENSITY,fogresult);
bglFogfv(GL_FOG_COLOR,fogcol);
if (usemodels && tile2model[Ptile2tile(tspr->picnum,tspr->pal)].modelid >= 0 && tile2model[Ptile2tile(tspr->picnum,tspr->pal)].framenum >= 0)
{
polymer_drawmdsprite(tspr);
@ -1897,8 +1920,17 @@ static void polymer_drawsector(int16_t sectnum)
sec = &sector[sectnum];
s = prsectors[sectnum];
fogcalc(sec->floorshade,sec->visibility,sec->floorpal);
bglFogf(GL_FOG_DENSITY,fogresult);
bglFogfv(GL_FOG_COLOR,fogcol);
if (!(sec->floorstat & 1))
polymer_drawplane(&s->floor);
fogcalc(sec->ceilingshade,sec->visibility,sec->ceilingpal);
bglFogf(GL_FOG_DENSITY,fogresult);
bglFogfv(GL_FOG_COLOR,fogcol);
if (!(sec->ceilingstat & 1))
polymer_drawplane(&s->ceil);
@ -2364,12 +2396,20 @@ static void polymer_updatewall(int16_t wallnum)
static void polymer_drawwall(int16_t sectnum, int16_t wallnum)
{
sectortype *sec;
walltype *wal;
_prwall *w;
if (pr_verbosity >= 3) OSD_Printf("PR : Drawing wall %i...\n", wallnum);
sec = &sector[sectnum];
wal = &wall[wallnum];
w = prwalls[wallnum];
fogcalc(wal->shade,sec->visibility,sec->floorpal);
bglFogf(GL_FOG_DENSITY,fogresult);
bglFogfv(GL_FOG_COLOR,fogcol);
if ((w->underover & 1) && !(w->underover & 4))
{
polymer_drawplane(&w->wall);
@ -3282,6 +3322,9 @@ static int32_t polymer_bindmaterial(_prmaterial material, char* lights, int
if (!curlight && material.mirrormap)
programbits |= prprogrambits[PR_BIT_MIRROR_MAP].bit;
// PR_BIT_FOG
programbits |= prprogrambits[PR_BIT_FOG].bit;
// PR_BIT_GLOW_MAP
if (!curlight && material.glowmap)
programbits |= prprogrambits[PR_BIT_GLOW_MAP].bit;

5
polymer/eduke32/build/src/polymost.c
View file

@ -99,7 +99,6 @@ static double dxb1[MAXWALLSB], dxb2[MAXWALLSB];
#define USEZBUFFER 1 //1:use zbuffer (slow, nice sprite rendering), 0:no zbuffer (fast, bad sprite rendering)
#define LINTERPSIZ 4 //log2 of interpolation size. 4:pretty fast&acceptable quality, 0:best quality/slow!
#define DEPTHDEBUG 0 //1:render distance instead of texture, for debugging only!, 0:default
#define FOGSCALE 0.0000640
float shadescale = 1.050;
@ -196,9 +195,9 @@ int32_t r_fullbrights = 1;
// is medium quality a good default?
int32_t r_downsize = 1;
static float fogresult, fogcol[4], fogtable[4*MAXPALOOKUPS];
float fogresult, fogcol[4], fogtable[4*MAXPALOOKUPS];
static inline void fogcalc(const int32_t shade, const int32_t vis, const int32_t pal)
void fogcalc(const int32_t shade, const int32_t vis, const int32_t pal)
{
float f;