summaryrefslogtreecommitdiff
path: root/tools/editor
diff options
context:
space:
mode:
authorSaracen <SaracenOne@gmail.com>2015-09-18 15:23:00 +0100
committerSaracen <SaracenOne@gmail.com>2015-11-02 16:25:16 +0000
commit53c9e8301c41b8ede999a7596643e33e36d2ca40 (patch)
treec6c52a3ac7397aec54e56469c29eaf3615cab43a /tools/editor
parentb2f9acb8c96aed0505cbac21661e21e4acef710f (diff)
Ignore alpha materials in baked light ray-tracer.
Diffstat (limited to 'tools/editor')
-rw-r--r--tools/editor/plugins/baked_light_baker.cpp168
-rw-r--r--tools/editor/plugins/baked_light_baker.h6
2 files changed, 107 insertions, 67 deletions
diff --git a/tools/editor/plugins/baked_light_baker.cpp b/tools/editor/plugins/baked_light_baker.cpp
index 4599dbfb54..261d862b37 100644
--- a/tools/editor/plugins/baked_light_baker.cpp
+++ b/tools/editor/plugins/baked_light_baker.cpp
@@ -115,6 +115,8 @@ void BakedLightBaker::_add_mesh(const Ref<Mesh>& p_mesh,const Ref<Material>& p_m
if (!mat_map.has(mat)) {
MeshMaterial mm;
+ mm.is_double_sided = mat->get_flag(Material::FLAG_DOUBLE_SIDED);
+ mm.use_alpha = false;
Ref<FixedMaterial> fm = mat;
if (fm.is_valid()) {
@@ -128,6 +130,8 @@ void BakedLightBaker::_add_mesh(const Ref<Mesh>& p_mesh,const Ref<Material>& p_m
mm.specular.color=mm.specular.color.to_linear();
mm.specular.tex=_get_mat_tex(fm->get_texture(FixedMaterial::PARAM_SPECULAR));
+
+ mm.use_alpha = fm->get_fixed_flag(FixedMaterial::FLAG_USE_ALPHA);
} else {
mm.diffuse.color=Color(1,1,1,1);
@@ -311,7 +315,12 @@ void BakedLightBaker::_parse_geometry(Node* p_node) {
lights.push_back(dirl);
}
- } else if (p_node->cast_to<Spatial>()){
+ }
+ else if (p_node->cast_to<BakedLightSampler>()){
+ // Ignore meshes and lights contained in baked light samplers
+ return;
+ }
+ else if (p_node->cast_to<Spatial>()){
Spatial *sp = p_node->cast_to<Spatial>();
@@ -472,6 +481,7 @@ BakedLightBaker::BVH* BakedLightBaker::_parse_bvh(BVH** p_children, int p_size,
BVH* right = _parse_bvh(&p_children[p_size/2],p_size-p_size/2,p_depth+1,max_depth);
BVH *_new = memnew(BVH);
+ _new->id=-1;
_new->aabb=aabb;
_new->center=aabb.pos+aabb.size*0.5;
_new->children[0]=left;
@@ -488,6 +498,7 @@ void BakedLightBaker::_make_bvh() {
int max_depth=0;
for(int i=0;i<triangles.size();i++) {
bases[i]=memnew( BVH );
+ bases[i]->id=i;
bases[i]->leaf=&triangles[i];
bases[i]->aabb.pos=triangles[i].vertices[0];
bases[i]->aabb.expand_to(triangles[i].vertices[1]);
@@ -949,7 +960,7 @@ void BakedLightBaker::_plot_light(ThreadStack& thread_stack,const Vector3& p_plo
}
-float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,const Vector3& p_begin, const Vector3& p_end,float p_rest,const Color& p_light,float *p_att_curve,float p_att_pos,int p_att_curve_len,int p_bounces,bool p_first_bounce,bool p_only_dist) {
+float BakedLightBaker::_throw_ray(ThreadStack& thread_stack, bool p_bake_direct, const Vector3& p_begin, const Vector3& p_end, float p_rest, const Color& p_light, float *p_att_curve, float p_att_pos, int p_att_curve_len, int p_bounces, bool p_first_bounce, bool p_only_dist, Vector<int> &p_ignore_list) {
uint32_t* stack = thread_stack.ray_stack;
@@ -978,6 +989,7 @@ float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,c
Vector3 r_point;
Vector3 end=p_end;
+ int triangle_id = -1;
Triangle *triangle=NULL;
//for(int i=0;i<max_depth;i++)
@@ -986,7 +998,7 @@ float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,c
int level=0;
//AABB ray_aabb;
//ray_aabb.pos=p_begin;
- //ray_aabb.expand_to(p_end);
+ //ray_aabb.expand_to(end);
const BVH *bvhptr = bvh;
@@ -1004,47 +1016,53 @@ float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,c
switch(mode) {
case TEST_AABB_BIT: {
- if (b.leaf) {
+ if (p_ignore_list.find(b.id)==-1) {
+ if (b.leaf) {
- Face3 f3(b.leaf->vertices[0],b.leaf->vertices[1],b.leaf->vertices[2]);
+ Face3 f3(b.leaf->vertices[0],b.leaf->vertices[1],b.leaf->vertices[2]);
- Vector3 res;
+ Vector3 res;
- if (f3.intersects_segment(p_begin,end,&res)) {
+ if (f3.intersects_segment(p_begin,end,&res)) {
- float nd = n.dot(res);
- if (nd<d) {
+ float nd = n.dot(res);
+ if (nd<d) {
- d=nd;
- r_point=res;
- end=res;
- len=(p_begin-end).length();
- r_normal=f3.get_plane().get_normal();
- triangle=b.leaf;
- inters=true;
- }
+ d=nd;
+ r_point=res;
+ end=res;
+ len=(p_begin-end).length();
+ r_normal=f3.get_plane().get_normal();
+ triangle=b.leaf;
+ triangle_id=b.id;
+ inters=true;
+ }
- }
+ }
- stack[level]=VISIT_DONE_BIT;
- } else {
+ stack[level]=VISIT_DONE_BIT;
+ } else {
- bool valid = b.aabb.smits_intersect_ray(p_begin,n,0,len);
- //bool valid = b.aabb.intersects_segment(p_begin,p_end);
- // bool valid = b.aabb.intersects(ray_aabb);
+ bool valid = b.aabb.smits_intersect_ray(p_begin,n,0,len);
+ //bool valid = b.aabb.intersects_segment(p_begin,end);
+ // bool valid = b.aabb.intersects(ray_aabb);
- if (!valid) {
+ if (!valid) {
- stack[level]=VISIT_DONE_BIT;
+ stack[level]=VISIT_DONE_BIT;
- } else {
+ } else {
- stack[level]=VISIT_LEFT_BIT;
- }
+ stack[level]=VISIT_LEFT_BIT;
+ }
+ }
+ }
+ else {
+ stack[level] = VISIT_DONE_BIT;
}
} continue;
@@ -1099,17 +1117,36 @@ float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,c
}
- if (n.dot(r_normal)>0)
- return -1;
-
- if (n.dot(r_normal)>0)
- r_normal=-r_normal;
+ bool passthrough = false;
//ok...
Color diffuse_at_point(0.8,0.8,0.8);
Color specular_at_point(0.0,0.0,0.0);
+ if (triangle->material) {
+
+ if ((triangle->material->is_double_sided == true || triangle->material->use_alpha == true) && use_translucency == true) {
+ if (n.dot(r_normal)>0)
+ r_normal = -r_normal;
+
+ if (triangle->material->use_alpha == true)
+ passthrough = true;
+ }
+ else {
+ if (n.dot(r_normal)>0)
+ return -1;
+ }
+
+ //triangle->get_uv(r_point);
+
+ diffuse_at_point = triangle->material->diffuse.get_color(uv);
+ specular_at_point = triangle->material->specular.get_color(uv);
+ }
+ else {
+ if (n.dot(r_normal)>0)
+ return -1;
+ }
float dist = p_begin.distance_to(r_point);
@@ -1139,23 +1176,18 @@ float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,c
//the multiplication can happen with more detail in the shader
-
- if (triangle->material) {
-
- //triangle->get_uv(r_point);
-
- diffuse_at_point=triangle->material->diffuse.get_color(uv);
- specular_at_point=triangle->material->specular.get_color(uv);
- }
-
-
diffuse_at_point.r=res_light.r*diffuse_at_point.r;
diffuse_at_point.g=res_light.g*diffuse_at_point.g;
diffuse_at_point.b=res_light.b*diffuse_at_point.b;
float ret=1e6;
- if (p_bounces>0) {
+ if (passthrough == true && triangle_id !=-1)
+ {
+ p_ignore_list.push_back(triangle_id);
+ ret=_throw_ray(thread_stack, p_bake_direct, r_point, p_end, p_rest, p_light, p_att_curve, p_att_pos, p_att_curve_len, p_bounces, p_first_bounce, p_only_dist, p_ignore_list);
+ }
+ else if (p_bounces>0 ) {
p_rest-=dist;
@@ -1226,33 +1258,37 @@ float BakedLightBaker::_throw_ray(ThreadStack& thread_stack,bool p_bake_direct,c
bool skip=false;
- if (!p_first_bounce || p_bake_direct) {
-
+ if (passthrough == false) {
+ if (!p_first_bounce || p_bake_direct) {
- float r = plot_size * cell_size*2;
- if (dist<r) {
- //avoid accumulaiton of light on corners
- //plot_light=plot_light.linear_interpolate(Color(0,0,0,0),1.0-sd/plot_size*plot_size);
- skip=true;
- } else {
-
-
- Vector3 c1=r_normal.cross(n).normalized();
- Vector3 c2=r_normal.cross(c1).normalized();
- double r1 = double(rand())/RAND_MAX;
- double r2 = double(rand())/RAND_MAX;
- double r3 = double(rand())/RAND_MAX;
- Vector3 rn = ((c1*(r1-0.5)) + (c2*(r2-0.5)) + (r_normal*r3*0.25)).normalized();
- float d =_throw_ray(thread_stack,p_bake_direct,r_point,r_point+rn*p_rest,p_rest,diffuse_at_point,p_att_curve,p_att_pos,p_att_curve_len,p_bounces-1,false,true);
- r = plot_size*cell_size*ao_radius;
- if (d>0 && d<r) {
+ float r = plot_size * cell_size * 2;
+ if (dist < r) {
//avoid accumulaiton of light on corners
//plot_light=plot_light.linear_interpolate(Color(0,0,0,0),1.0-sd/plot_size*plot_size);
- skip=true;
+ skip = true;
- } else {
- //plot_light=Color(0,0,0,0);
+ }
+ else {
+
+
+ Vector3 c1 = r_normal.cross(n).normalized();
+ Vector3 c2 = r_normal.cross(c1).normalized();
+ double r1 = double(rand()) / RAND_MAX;
+ double r2 = double(rand()) / RAND_MAX;
+ double r3 = double(rand()) / RAND_MAX;
+ Vector3 rn = ((c1*(r1 - 0.5)) + (c2*(r2 - 0.5)) + (r_normal*r3*0.25)).normalized();
+ float d = _throw_ray(thread_stack, p_bake_direct, r_point, r_point + rn*p_rest, p_rest, diffuse_at_point, p_att_curve, p_att_pos, p_att_curve_len, p_bounces - 1, false, true);
+ r = plot_size*cell_size*ao_radius;
+ if (d > 0 && d < r) {
+ //avoid accumulaiton of light on corners
+ //plot_light=plot_light.linear_interpolate(Color(0,0,0,0),1.0-sd/plot_size*plot_size);
+ skip = true;
+
+ }
+ else {
+ //plot_light=Color(0,0,0,0);
+ }
}
}
}
diff --git a/tools/editor/plugins/baked_light_baker.h b/tools/editor/plugins/baked_light_baker.h
index 8fbeeddc6a..58197283a2 100644
--- a/tools/editor/plugins/baked_light_baker.h
+++ b/tools/editor/plugins/baked_light_baker.h
@@ -92,6 +92,9 @@ public:
Param diffuse;
Param specular;
Param emission;
+
+ bool is_double_sided;
+ bool use_alpha;
};
struct Triangle {
@@ -154,6 +157,7 @@ public:
struct BVH {
+ int id;
AABB aabb;
Vector3 center;
Triangle *leaf;
@@ -307,7 +311,7 @@ public:
void _plot_light(ThreadStack& thread_stack,const Vector3& p_plot_pos,const AABB& p_plot_aabb,const Color& p_light,const Color& p_tint_light,bool p_only_full,const Plane& p_plane);
//void _plot_light_point(const Vector3& p_plot_pos, Octant *p_octant, const AABB& p_aabb,const Color& p_light);
- float _throw_ray(ThreadStack& thread_stack,bool p_bake_direct,const Vector3& p_begin, const Vector3& p_end,float p_rest,const Color& p_light,float *p_att_curve,float p_att_pos,int p_att_curve_len,int p_bounces,bool p_first_bounce=false,bool p_only_dist=false);
+ float _throw_ray(ThreadStack& thread_stack,bool p_bake_direct,const Vector3& p_begin, const Vector3& p_end,float p_rest,const Color& p_light,float *p_att_curve,float p_att_pos,int p_att_curve_len,int p_bounces,bool p_first_bounce=false,bool p_only_dist=false, Vector<int>&p_ignore_list=Vector<int>());
float total_light_area;