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bring over gl_rlight from newtree

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sys_unix.c:
	remove #ifdef GLQUAKE
This commit is contained in:
Bill Currie 2000-08-27 07:46:54 +00:00
parent 10a7fbb00a
commit 8538ec49d1
9 changed files with 84 additions and 44 deletions
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2
include/r_local.h
View file

@ -325,7 +325,7 @@ void R_cshift_f (void);
void R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1);
void R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip);
void R_SplitEntityOnNode2 (mnode_t *node);
void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
void R_MarkLights (vec3_t lightorigin, dlight_t *light, int bit, mnode_t *node);
#endif

2
include/render.h
View file

@ -155,7 +155,7 @@ void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength);
void R_LavaSplash (vec3_t org);
void R_TeleportSplash (vec3_t org);
void R_PushDlights (void);
void R_PushDlights (vec3_t entorigin);
//

86
source/gl_rlight.c
View file

@ -33,6 +33,7 @@
#include "client.h"
#include "glquake.h"
#include "view.h"
#include "r_local.h"
int r_dlightframecount;
@ -80,9 +81,10 @@ void AddLightBlend (float r, float g, float b, float a2)
a2 = a2/a;
v_blend[0] = v_blend[1]*(1-a2) + r*a2;
v_blend[0] = v_blend[0]*(1-a2) + r*a2;
v_blend[1] = v_blend[1]*(1-a2) + g*a2;
v_blend[2] = v_blend[2]*(1-a2) + b*a2;
//Con_Printf("AddLightBlend(): %4.2f %4.2f %4.2f %4.6f\n", v_blend[0], v_blend[1], v_blend[2], v_blend[3]);
}
float bubble_sintable[33], bubble_costable[33];
@ -95,7 +97,8 @@ void R_InitBubble() {
bub_sin = bubble_sintable;
bub_cos = bubble_costable;
for (i=32 ; i>=0 ; i--) {
for (i=32 ; i>=0 ; i--)
{
a = i/32.0 * M_PI*2;
*bub_sin++ = sin(a);
*bub_cos++ = cos(a);
@ -105,10 +108,13 @@ void R_InitBubble() {
void R_RenderDlight (dlight_t *light)
{
int i, j;
float a;
// float a;
vec3_t v;
float rad;
float *bub_sin, *bub_cos;
bub_sin = bubble_sintable;
bub_cos = bubble_costable;
rad = light->radius * 0.35;
VectorSubtract (light->origin, r_origin, v);
@ -119,17 +125,24 @@ void R_RenderDlight (dlight_t *light)
}
glBegin (GL_TRIANGLE_FAN);
glColor3f (0.2,0.1,0.0);
// glColor3f (0.2,0.1,0.0);
// glColor3f (0.2,0.1,0.05); // changed dimlight effect
if (lighthalf)
glColor3f(light->color[0]*0.5,light->color[1]*0.5,light->color[2]*0.5);
else
glColor3fv (light->color);
for (i=0 ; i<3 ; i++)
v[i] = light->origin[i] - vpn[i]*rad;
glVertex3fv (v);
glColor3f (0,0,0);
for (i=16 ; i>=0 ; i--)
{
a = i/16.0 * M_PI*2;
// a = i/16.0 * M_PI*2;
for (j=0 ; j<3 ; j++)
v[j] = light->origin[j] + vright[j]*cos(a)*rad
+ vup[j]*sin(a)*rad;
v[j] = light->origin[j] + (vright[j]*(*bub_cos) +
+ vup[j]*(*bub_sin)) * rad;
bub_sin+=2;
bub_cos+=2;
glVertex3fv (v);
}
glEnd ();
@ -153,7 +166,6 @@ void R_RenderDlights (void)
glDepthMask (0);
glDisable (GL_TEXTURE_2D);
glShadeModel (GL_SMOOTH);
glEnable (GL_BLEND);
glBlendFunc (GL_ONE, GL_ONE);
l = cl_dlights;
@ -165,7 +177,6 @@ void R_RenderDlights (void)
}
glColor3f (1,1,1);
glDisable (GL_BLEND);
glEnable (GL_TEXTURE_2D);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask (1);
@ -185,44 +196,69 @@ DYNAMIC LIGHTS
R_MarkLights
=============
*/
void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
// LordHavoc: heavily modified, to eliminate unnecessary texture uploads,
// and support bmodel lighting better
void R_MarkLights (vec3_t lightorigin, dlight_t *light, int bit, mnode_t *node)
{
mplane_t *splitplane;
float dist;
float dist, l, maxdist;
msurface_t *surf;
int i;
int i, j, s, t;
vec3_t impact;
if (node->contents < 0)
return;
splitplane = node->plane;
dist = DotProduct (light->origin, splitplane->normal) - splitplane->dist;
dist = DotProduct (lightorigin, splitplane->normal) - splitplane->dist;
if (dist > light->radius)
{
R_MarkLights (light, bit, node->children[0]);
if (node->children[0]->contents >= 0) // save some time by not pushing another stack frame
R_MarkLights (lightorigin, light, bit, node->children[0]);
return;
}
if (dist < -light->radius)
{
R_MarkLights (light, bit, node->children[1]);
if (node->children[1]->contents >= 0) // save some time by not pushing another stack frame
R_MarkLights (lightorigin, light, bit, node->children[1]);
return;
}
maxdist = light->radius*light->radius;
// mark the polygons
surf = cl.worldmodel->surfaces + node->firstsurface;
for (i=0 ; i<node->numsurfaces ; i++, surf++)
{
if (surf->dlightframe != r_dlightframecount)
// LordHavoc: MAJOR dynamic light speedup here, eliminates marking of surfaces that are too far away from light, thus preventing unnecessary renders and uploads
for (j=0 ; j<3 ; j++)
impact[j] = lightorigin[j] - surf->plane->normal[j]*dist;
// clamp center of light to corner and check brightness
l = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
s = l+0.5;if (s < 0) s = 0;else if (s > surf->extents[0]) s = surf->extents[0];
s = l - s;
l = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
t = l+0.5;if (t < 0) t = 0;else if (t > surf->extents[1]) t = surf->extents[1];
t = l - t;
// compare to minimum light
if ((s*s+t*t+dist*dist) < maxdist)
{
surf->dlightbits = 0;
surf->dlightframe = r_dlightframecount;
if (surf->dlightframe != r_dlightframecount) // not dynamic until now
{
surf->dlightbits = bit;
surf->dlightframe = r_dlightframecount;
}
else // already dynamic
surf->dlightbits |= bit;
}
surf->dlightbits |= bit;
}
R_MarkLights (light, bit, node->children[0]);
R_MarkLights (light, bit, node->children[1]);
if (node->children[0]->contents >= 0) // save some time by not pushing another stack frame
R_MarkLights (lightorigin, light, bit, node->children[0]);
if (node->children[1]->contents >= 0) // save some time by not pushing another stack frame
R_MarkLights (lightorigin, light, bit, node->children[1]);
}
@ -231,10 +267,11 @@ void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
R_PushDlights
=============
*/
void R_PushDlights (void)
void R_PushDlights (vec3_t entorigin)
{
int i;
dlight_t *l;
vec3_t lightorigin;
if (gl_flashblend->value)
return;
@ -247,7 +284,8 @@ void R_PushDlights (void)
{
if (l->die < cl.time || !l->radius)
continue;
R_MarkLights ( l, 1<<i, cl.worldmodel->nodes );
VectorSubtract(l->origin, entorigin, lightorigin);
R_MarkLights (lightorigin, l, 1<<i, cl.worldmodel->nodes );
}
}

4
source/gl_rsurf.c
View file

@ -1143,13 +1143,15 @@ void R_DrawBrushModel (entity_t *e)
// instanced model
if (clmodel->firstmodelsurface != 0 && !gl_flashblend->value)
{
vec3_t lightorigin;
for (k=0 ; k<MAX_DLIGHTS ; k++)
{
if ((cl_dlights[k].die < cl.time) ||
(!cl_dlights[k].radius))
continue;
R_MarkLights (&cl_dlights[k], 1<<k,
VectorSubtract(cl_dlights[k].origin, e->origin, lightorigin);
R_MarkLights (lightorigin,&cl_dlights[k], 1<<k,
clmodel->nodes + clmodel->hulls[0].firstclipnode);
}
}

4
source/gl_view.c
View file

@ -214,7 +214,7 @@ void V_RenderView (void)
V_CalcRefdef ();
}
R_PushDlights ();
R_PushDlights (vec3_origin);
if (lcd_x->value)
{
@ -233,7 +233,7 @@ void V_RenderView (void)
vid.buffer += vid.rowbytes>>1;
R_PushDlights ();
R_PushDlights (vec3_origin);
r_refdef.viewangles[YAW] += lcd_yaw->value*2;
for (i=0 ; i<3 ; i++)

18
source/r_light.c
View file

@ -76,7 +76,7 @@ DYNAMIC LIGHTS
R_MarkLights
=============
*/
void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
void R_MarkLights (vec3_t lightorigin, dlight_t *light, int bit, mnode_t *node)
{
mplane_t *splitplane;
float dist;
@ -87,16 +87,16 @@ void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
return;
splitplane = node->plane;
dist = DotProduct (light->origin, splitplane->normal) - splitplane->dist;
dist = DotProduct (lightorigin, splitplane->normal) - splitplane->dist;
if (dist > light->radius)
{
R_MarkLights (light, bit, node->children[0]);
R_MarkLights (lightorigin, light, bit, node->children[0]);
return;
}
if (dist < -light->radius)
{
R_MarkLights (light, bit, node->children[1]);
R_MarkLights (lightorigin, light, bit, node->children[1]);
return;
}
@ -112,8 +112,8 @@ void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
surf->dlightbits |= bit;
}
R_MarkLights (light, bit, node->children[0]);
R_MarkLights (light, bit, node->children[1]);
R_MarkLights (lightorigin, light, bit, node->children[0]);
R_MarkLights (lightorigin, light, bit, node->children[1]);
}
@ -122,10 +122,11 @@ void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
R_PushDlights
=============
*/
void R_PushDlights (void)
void R_PushDlights (vec3_t entorigin)
{
int i;
dlight_t *l;
vec3_t lightorigin;
r_dlightframecount = r_framecount + 1; // because the count hasn't
// advanced yet for this frame
@ -135,7 +136,8 @@ void R_PushDlights (void)
{
if (l->die < cl.time || !l->radius)
continue;
R_MarkLights ( l, 1<<i, cl.worldmodel->nodes );
VectorSubtract(l->origin, entorigin, lightorigin);
R_MarkLights (lightorigin, l, 1<<i, cl.worldmodel->nodes );
}
}

4
source/r_main.c
View file

@ -809,6 +809,7 @@ void R_DrawBEntitiesOnList (void)
// instanced model
if (clmodel->firstmodelsurface != 0)
{
vec3_t lightorigin;
for (k=0 ; k<MAX_DLIGHTS ; k++)
{
if ((cl_dlights[k].die < cl.time) ||
@ -817,7 +818,8 @@ void R_DrawBEntitiesOnList (void)
continue;
}
R_MarkLights (&cl_dlights[k], 1<<k,
VectorSubtract(cl_dlights[k].origin, currententity->origin, lightorigin);
R_MarkLights (lightorigin, &cl_dlights[k], 1<<k,
clmodel->nodes + clmodel->hulls[0].firstclipnode);
}
}

4
source/sw_view.c
View file

@ -142,7 +142,7 @@ void V_RenderView (void)
V_CalcRefdef ();
}
R_PushDlights ();
R_PushDlights (vec3_origin);
if (lcd_x->value)
{
@ -161,7 +161,7 @@ void V_RenderView (void)
vid.buffer += vid.rowbytes>>1;
R_PushDlights ();
R_PushDlights (vec3_origin);
r_refdef.viewangles[YAW] += lcd_yaw->value*2;
for (i=0 ; i<3 ; i++)

4
source/sys_unix.c
View file

@ -427,11 +427,7 @@ int main (int c, char **v)
parms.argc = com_argc;
parms.argv = com_argv;
#ifdef GLQUAKE
parms.memsize = 16*1024*1024;
#else
parms.memsize = 8*1024*1024;
#endif
j = COM_CheckParm("-mem");
if (j)