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Implement dynamic lighting.

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This uses the same calculations as the software renderer. However, as the
lightmap calculations are not done yet, if there is no dlight in the
vicinity, there will be no light. demo1 is pretty cool to watch :)
This commit is contained in:
Bill Currie 2012-01-03 20:36:07 +09:00
parent 209c4cda8b
commit 091b714e4c
1 changed files with 32 additions and 3 deletions
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35
libs/video/renderer/glsl/glsl_alias.c
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@ -146,6 +146,33 @@ R_InitAlias (void)
GL_ResolveShaderParam (quake_mdl.program, &quake_mdl.shadelight); GL_ResolveShaderParam (quake_mdl.program, &quake_mdl.shadelight);
GL_ResolveShaderParam (quake_mdl.program, &quake_mdl.lightvec); GL_ResolveShaderParam (quake_mdl.program, &quake_mdl.lightvec);
} }
static void
calc_lighting (entity_t *ent, float *ambient, float *shadelight,
vec3_t lightvec)
{
unsigned i;
float add;
vec3_t dist;
VectorSet ( -1, 0, 0, lightvec); //FIXME
*ambient = max (R_LightPoint (ent->origin), max (ent->model->min_light,
ent->min_light) * 128);
*shadelight = *ambient;
for (i = 0; i < r_maxdlights; i++) {
if (r_dlights[i].die >= r_realtime) {
VectorSubtract (ent->origin, r_dlights[i].origin, dist);
add = r_dlights[i].radius - VectorLength (dist);
if (add > 0)
*ambient += add;
}
}
if (*ambient >= 128)
*ambient = 128;
if (*shadelight > 192 - *ambient)
*shadelight = 192 - *ambient;
}
//#define TETRAHEDRON //#define TETRAHEDRON
void void
R_DrawAlias (void) R_DrawAlias (void)
@ -165,9 +192,9 @@ R_DrawAlias (void)
}; };
#endif #endif
static quat_t color = { 1, 1, 1, 1}; static quat_t color = { 1, 1, 1, 1};
static vec3_t lightvec = { -1, 0, 0 }; //FIXME static vec3_t lightvec;
float ambient = 128; //FIXME float ambient;
float shadelight = 64; //FIXME float shadelight;
float skin_size[2]; float skin_size[2];
entity_t *ent = currententity; entity_t *ent = currententity;
model_t *model = ent->model; model_t *model = ent->model;
@ -180,6 +207,8 @@ R_DrawAlias (void)
hdr = Cache_Get (&model->cache); hdr = Cache_Get (&model->cache);
calc_lighting (ent, &ambient, &shadelight, lightvec);
// we need only the rotation for normals. // we need only the rotation for normals.
VectorCopy (ent->transform + 0, norm_mat + 0); VectorCopy (ent->transform + 0, norm_mat + 0);
VectorCopy (ent->transform + 4, norm_mat + 3); VectorCopy (ent->transform + 4, norm_mat + 3);