#include "baked_light_editor_plugin.h"
#include "scene/gui/box_container.h"
#include "scene/3d/mesh_instance.h"
#include "io/marshalls.h"
#include "io/resource_saver.h"





void BakedLightEditor::_end_baking() {

	baker->clear();
	set_process(false);
	button_bake->set_pressed(false);
	bake_info->set_text("");
}

void BakedLightEditor::_node_removed(Node *p_node) {

	if(p_node==node) {
		_end_baking();
		node=NULL;

		hide();
	}

}





void BakedLightEditor::_notification(int p_option) {


	if (p_option==NOTIFICATION_ENTER_SCENE) {

		button_bake->set_icon(get_icon("Bake","EditorIcons"));
		button_reset->set_icon(get_icon("Reload","EditorIcons"));
	}

	if (p_option==NOTIFICATION_PROCESS) {

		if (baker->is_baking() && !baker->is_paused()) {

			update_timeout-=get_process_delta_time();
			if (update_timeout<0) {

				if (baker->get_baked_light()!=node->get_baked_light()) {
					_end_baking();
					return;
				}

				uint64_t t = OS::get_singleton()->get_ticks_msec();

#ifdef DEBUG_CUBES
				double norm =  baker->get_normalization();
				float max_lum=0;

				{
					DVector<Color>::Write cw=colors.write();
					BakedLightBaker::Octant *octants=baker->octant_pool.ptr();
					BakedLightBaker::Octant *oct = &octants[baker->leaf_list];
					int vert_idx=0;

					while(oct) {



						Color colors[8];
						for(int i=0;i<8;i++) {

							colors[i].r=oct->light_accum[i][0]/norm;
							colors[i].g=oct->light_accum[i][1]/norm;
							colors[i].b=oct->light_accum[i][2]/norm;

							float lum = colors[i].get_v();
							//if (lum<0.05)
							//	color.a=0;
							if (lum>max_lum)
								max_lum=lum;

						}
						static const int vert2cub[36]={7,3,1,1,5,7,7,6,2,2,3,7,7,5,4,4,6,7,2,6,4,4,0,2,4,5,1,1,0,4,1,3,2,2,0,1};
						for (int i=0;i<36;i++) {


							cw[vert_idx++]=colors[vert2cub[i]];
						}

						if (oct->next_leaf)
							oct=&octants[oct->next_leaf];
						else
							oct=NULL;

					}
				}
				print_line("MSCOL: "+itos(OS::get_singleton()->get_ticks_msec()-t));
				t = OS::get_singleton()->get_ticks_msec();

				Array a;
				a.resize(Mesh::ARRAY_MAX);
				a[Mesh::ARRAY_VERTEX]=vertices;
				a[Mesh::ARRAY_COLOR]=colors;
				while(mesh->get_surface_count())
					mesh->surface_remove(0);
				mesh->add_surface(Mesh::PRIMITIVE_TRIANGLES,a);
				mesh->surface_set_material(0,material);
#endif
				ERR_FAIL_COND(node->get_baked_light().is_null());

				baker->update_octree_image(octree_texture);
#if 1
//debug
				Image img(baker->baked_octree_texture_w,baker->baked_octree_texture_h,0,Image::FORMAT_RGBA,octree_texture);
				Ref<ImageTexture> it = memnew( ImageTexture );
				it->create_from_image(img);
				ResourceSaver::save("baked_octree.png",it);


#endif
				bake_info->set_text("rays/s: "+itos(baker->get_rays_sec()));
				update_timeout=1;				
				print_line("MSUPDATE: "+itos(OS::get_singleton()->get_ticks_msec()-t));
				t=OS::get_singleton()->get_ticks_msec();
				node->get_baked_light()->set_octree(octree_texture);
				print_line("MSSET: "+itos(OS::get_singleton()->get_ticks_msec()-t));



			}
		}
	}
}


void BakedLightEditor::_menu_option(int p_option) {


	switch(p_option) {


		case MENU_OPTION_BAKE: {

			ERR_FAIL_COND(!node);
			ERR_FAIL_COND(node->get_baked_light().is_null());
			baker->bake(node->get_baked_light(),node);

			update_timeout=0;
			set_process(true);


		} break;
		case MENU_OPTION_CLEAR: {



		} break;

	}
}

void BakedLightEditor::_bake_pressed() {

	ERR_FAIL_COND(!node);
	if (node->get_baked_light().is_null()) {
		err_dialog->set_text("BakedLightInstance does not contain a BakedLight resource.");
		err_dialog->popup_centered(Size2(350,70));
		button_bake->set_pressed(false);
		return;
	}

	if (baker->is_baking()) {

		baker->set_pause(!button_bake->is_pressed());
		if (baker->is_paused()) {

			set_process(false);
			bake_info->set_text("");
		} else {

			update_timeout=0;
			set_process(true);
		}

	} else {
		baker->bake(node->get_baked_light(),node);
		update_timeout=0;
		set_process(true);
	}

}

void BakedLightEditor::_clear_pressed(){

	baker->clear();
	button_bake->set_pressed(false);
	bake_info->set_text("");

}

void BakedLightEditor::edit(BakedLightInstance *p_baked_light) {

	if (p_baked_light==NULL || node==p_baked_light) {
		return;
	}
	if (node && node!=p_baked_light)
		_end_baking();


	node=p_baked_light;
	//_end_baking();

}



void BakedLightEditor::_bind_methods() {

	ObjectTypeDB::bind_method("_menu_option",&BakedLightEditor::_menu_option);
	ObjectTypeDB::bind_method("_bake_pressed",&BakedLightEditor::_bake_pressed);
	ObjectTypeDB::bind_method("_clear_pressed",&BakedLightEditor::_clear_pressed);
}

BakedLightEditor::BakedLightEditor() {


	bake_hbox = memnew( HBoxContainer );
	button_bake = memnew( ToolButton );
	button_bake->set_text("Bake!");
	button_bake->set_toggle_mode(true);
	button_reset = memnew( Button );
	bake_info = memnew( Label );
	bake_hbox->add_child( button_bake );
	bake_hbox->add_child( button_reset );
	bake_hbox->add_child( bake_info );

	err_dialog = memnew( AcceptDialog );
	add_child(err_dialog);
	node=NULL;
	baker = memnew( BakedLightBaker );

	button_bake->connect("pressed",this,"_bake_pressed");
	button_reset->connect("pressed",this,"_clear_pressed");

	update_timeout=0;



}

BakedLightEditor::~BakedLightEditor() {

	memdelete(baker);
}

void BakedLightEditorPlugin::edit(Object *p_object) {

	baked_light_editor->edit(p_object->cast_to<BakedLightInstance>());
}

bool BakedLightEditorPlugin::handles(Object *p_object) const {

	return p_object->is_type("BakedLightInstance");
}

void BakedLightEditorPlugin::make_visible(bool p_visible) {

	if (p_visible) {
		baked_light_editor->show();
		baked_light_editor->bake_hbox->show();
	} else {

		baked_light_editor->hide();
		baked_light_editor->bake_hbox->hide();
		baked_light_editor->edit(NULL);
	}

}

BakedLightEditorPlugin::BakedLightEditorPlugin(EditorNode *p_node) {

	editor=p_node;
	baked_light_editor = memnew( BakedLightEditor );
	editor->get_viewport()->add_child(baked_light_editor);
	add_custom_control(CONTAINER_SPATIAL_EDITOR_MENU,baked_light_editor->bake_hbox);
	baked_light_editor->hide();
	baked_light_editor->bake_hbox->hide();
}


BakedLightEditorPlugin::~BakedLightEditorPlugin()
{
}