static t_col shoot_ray(t_ray ray, int level_max, t_env *env)
{
float coef;
float t;
coef = 1.0;
while (coef > 0.0f && level_max--)
{
t = 20000.0f;
get_intersections(env, ray, &t);
if (OBJ.cur_sphere != -1)
set_val_sphere(env, t, ray);
else if (OBJ.cur_tri != -1)
set_val_tri(env, t, ray);
else if (OBJ.cur_cyl != -1)
set_val_cyl(env, t, ray);
else if (OBJ.cur_cone != -1)
set_val_cone(env, t, ray);
else
break ;
if (env->br == 1)
break ;
calc_lighting(env, coef);
coef *= OBJ.cur_mat.reflection;
reflect_ray(env, &ray);
}
return (OBJ.col);
}
void xrMU_Model::calc_lighting ()
{
// BB
Fbox BB;
BB.invalidate ();
for (v_vertices_it vit=m_vertices.begin(); vit!=m_vertices.end(); vit++)
BB.modify ((*vit)->P);
// Export CForm
CDB::CollectorPacked CL (BB,(u32)m_vertices.size(),(u32)m_faces.size());
export_cform_rcast (CL,Fidentity);
CDB::MODEL* M = xr_new<CDB::MODEL> ();
M->build (CL.getV(),(u32)CL.getVS(),CL.getT(),(u32)CL.getTS());
calc_lighting (color,Fidentity,M,inlc_global_data()->L_static(),LP_dont_rgb+LP_dont_sun);
xr_delete (M);
clMsg ("model '%s' - REF_lighted.",*m_name);
}
//#define TETRAHEDRON
void
glsl_R_DrawAlias (void)
{
#ifdef TETRAHEDRON
static aliasvrt_t debug_verts[] = {
{{ 0, 0}, {-18918,-18918,-18918}, { 0, 0, 0}},
{{ 0,300}, { 18918, 18918,-18918}, {255,255, 0}},
{{300,300}, {-18918, 18918, 18918}, { 0,255,255}},
{{300, 0}, { 18918,-18918, 18918}, {255, 0,255}},
};
static GLushort debug_indices[] = {
0, 1, 2,
0, 3, 1,
1, 3, 2,
0, 2, 3,
};
#endif
static quat_t color = { 1, 1, 1, 1};
static vec3_t lightvec;
float ambient;
float shadelight;
float skin_size[2];
float blend;
entity_t *ent = currententity;
model_t *model = ent->model;
aliashdr_t *hdr;
vec_t norm_mat[9];
mat4_t mvp_mat;
int skin_tex;
int colormap;
aliasvrt_t *pose1 = 0; // VBO's are null based
aliasvrt_t *pose2 = 0; // VBO's are null based
if (!(hdr = model->aliashdr))
hdr = Cache_Get (&model->cache);
calc_lighting (ent, &ambient, &shadelight, lightvec);
// we need only the rotation for normals.
VectorCopy (ent->transform + 0, norm_mat + 0);
VectorCopy (ent->transform + 4, norm_mat + 3);
VectorCopy (ent->transform + 8, norm_mat + 6);
// ent model scaling and offset
Mat4Zero (mvp_mat);
mvp_mat[0] = hdr->mdl.scale[0];
mvp_mat[5] = hdr->mdl.scale[1];
mvp_mat[10] = hdr->mdl.scale[2];
mvp_mat[15] = 1;
VectorCopy (hdr->mdl.scale_origin, mvp_mat + 12);
Mat4Mult (ent->transform, mvp_mat, mvp_mat);
Mat4Mult (alias_vp, mvp_mat, mvp_mat);
colormap = glsl_colormap;
if (ent->skin && ent->skin->auxtex)
colormap = ent->skin->auxtex;
if (ent->skin && ent->skin->texnum) {
skin_t *skin = ent->skin;
skin_tex = skin->texnum;
} else {
maliasskindesc_t *skindesc;
skindesc = R_AliasGetSkindesc (ent->skinnum, hdr);
skin_tex = skindesc->texnum;
}
blend = R_AliasGetLerpedFrames (ent, hdr);
pose1 += ent->pose1 * hdr->poseverts;
pose2 += ent->pose2 * hdr->poseverts;
skin_size[0] = hdr->mdl.skinwidth;
skin_size[1] = hdr->mdl.skinheight;
qfeglActiveTexture (GL_TEXTURE0 + 1);
qfeglBindTexture (GL_TEXTURE_2D, colormap);
qfeglActiveTexture (GL_TEXTURE0 + 0);
qfeglBindTexture (GL_TEXTURE_2D, skin_tex);
#ifndef TETRAHEDRON
qfeglBindBuffer (GL_ARRAY_BUFFER, hdr->posedata);
qfeglBindBuffer (GL_ELEMENT_ARRAY_BUFFER, hdr->commands);
#endif
qfeglVertexAttrib4fv (quake_mdl.colora.location, color);
qfeglVertexAttrib4fv (quake_mdl.colorb.location, color);
qfeglUniform1f (quake_mdl.blend.location, blend);
qfeglUniform1f (quake_mdl.ambient.location, ambient);
qfeglUniform1f (quake_mdl.shadelight.location, shadelight);
qfeglUniform3fv (quake_mdl.lightvec.location, 1, lightvec);
qfeglUniform2fv (quake_mdl.skin_size.location, 1, skin_size);
qfeglUniformMatrix4fv (quake_mdl.mvp_matrix.location, 1, false, mvp_mat);
qfeglUniformMatrix3fv (quake_mdl.norm_matrix.location, 1, false, norm_mat);
#ifndef TETRAHEDRON
set_arrays (&quake_mdl.vertexa, &quake_mdl.normala, &quake_mdl.sta, pose1);
set_arrays (&quake_mdl.vertexb, &quake_mdl.normalb, &quake_mdl.stb, pose2);
qfeglDrawElements (GL_TRIANGLES, 3 * hdr->mdl.numtris,
GL_UNSIGNED_SHORT, 0);
#else
set_arrays (&quake_mdl.vertexa, &quake_mdl.normala, &quake_mdl.sta,
debug_verts);
set_arrays (&quake_mdl.vertexb, &quake_mdl.normalb, &quake_mdl.stb,
debug_verts);
qfeglDrawElements (GL_TRIANGLES,
sizeof (debug_indices) / sizeof (debug_indices[0]),
GL_UNSIGNED_SHORT, debug_indices);
#endif
if (!model->aliashdr)
Cache_Release (&model->cache);
}
