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Implement R_AddLightGridSurfacesToScene

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smallmodel 2024-09-10 20:42:05 +02:00
parent d9e3cc2188
commit 662d048bf4
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1 changed files with 82 additions and 1 deletions
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83
code/renderer/tr_scene.c
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@ -341,8 +341,89 @@ void RE_AddLightToScene( const vec3_t org, float intensity, float r, float g, fl
RE_AddDynamicLightToScene( org, intensity, r, g, b, type );
}
/*
=====================
R_AddLightGridSurfacesToScene
Draw small dots to make a grid.
A dot matches the calculated color of the light at its location
=====================
*/
void R_AddLightGridSurfacesToScene() {
// FIXME: unimplemented
vec3_t vMin, vMax;
vec3_t vPos;
vec3_t vLight;
int i;
qhandle_t hShader;
polyVert_t verts[4];
if (!tr.world) {
return;
}
if (!tr.world->lightGridData) {
return;
}
if (!tr.world->lightGridOffsets) {
return;
}
hShader = RE_RegisterShader("showgrid");
R_GetShaderByHandle(hShader);
for (i = 0; i < 3; i++) {
vMin[i] = tr.world->lightGridMins[i] + floor((tr.refdef.vieworg[i] - 256.0 - tr.world->lightGridMins[i]) * tr.world->lightGridOOSize[i]) * tr.world->lightGridSize[i];
vMax[i] = tr.world->lightGridMins[i] + floor((tr.refdef.vieworg[i] + 256.0 - tr.world->lightGridMins[i]) * tr.world->lightGridOOSize[i]) * tr.world->lightGridSize[i];
}
for (vPos[2] = vMin[2]; vPos[2] < vMax[2]; vPos[2] += tr.world->lightGridSize[2]) {
for (vPos[1] = vMin[1]; vPos[1] < vMax[1]; vPos[1] += tr.world->lightGridSize[1]) {
for (vPos[0] = vMin[0]; vPos[0] < vMax[0]; vPos[0] += tr.world->lightGridSize[0]) {
R_GetLightingGridValueFast(vPos, vLight);
verts[0].xyz[0] = vPos[0] - 2.0;
verts[0].xyz[1] = vPos[1] - 2.0;
verts[0].xyz[2] = vPos[2];
verts[0].st[0] = 0.0;
verts[0].st[1] = 0.0;
verts[0].modulate[0] = vLight[0];
verts[0].modulate[1] = vLight[1];
verts[0].modulate[2] = vLight[2];
verts[0].modulate[3] = 0xff;
verts[1].xyz[0] = vPos[0] + 2.0;
verts[1].xyz[1] = vPos[1] - 2.0;
verts[1].xyz[2] = vPos[2];
verts[1].st[0] = 0.0;
verts[1].st[1] = 1.0;
verts[1].modulate[0] = vLight[0];
verts[1].modulate[1] = vLight[1];
verts[1].modulate[2] = vLight[2];
verts[1].modulate[3] = 0xff;
verts[2].xyz[0] = vPos[0] + 2.0;
verts[2].xyz[1] = vPos[1] + 2.0;
verts[2].xyz[2] = vPos[2];
verts[2].st[0] = 1.0;
verts[2].st[1] = 1.0;
verts[2].modulate[0] = vLight[0];
verts[2].modulate[1] = vLight[1];
verts[2].modulate[2] = vLight[2];
verts[2].modulate[3] = 0xff;
verts[3].xyz[0] = vPos[0] - 2.0;
verts[3].xyz[1] = vPos[1] + 2.0;
verts[3].xyz[2] = vPos[2];
verts[3].st[0] = 1.0;
verts[3].st[1] = 0.0;
verts[3].modulate[0] = vLight[0];
verts[3].modulate[1] = vLight[1];
verts[3].modulate[2] = vLight[2];
verts[3].modulate[3] = 0xff;
RE_AddPolyToScene(hShader, 4, verts, 0);
}
}
}
}
/*