/*************************************************************************/
/*  visual_server.cpp                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include "visual_server.h"
#include "globals.h"

VisualServer *VisualServer::singleton=NULL;
VisualServer* (*VisualServer::create_func)()=NULL;

VisualServer *VisualServer::get_singleton() {

	return singleton;
}


void VisualServer::set_mipmap_policy(MipMapPolicy p_policy) {

	mm_policy=p_policy;
}

VisualServer::MipMapPolicy VisualServer::get_mipmap_policy() const {

	return (VisualServer::MipMapPolicy)mm_policy;
}


DVector<String> VisualServer::_shader_get_param_list(RID p_shader) const {

//remove at some point

	DVector<String> pl;


#if 0
	List<StringName> params;
	shader_get_param_list(p_shader,&params);


	for(List<StringName>::Element *E=params.front();E;E=E->next()) {

		pl.push_back(E->get());
	}
#endif
	return pl;
}

VisualServer *VisualServer::create() {

	ERR_FAIL_COND_V(singleton,NULL);
	
	if (create_func)
		return create_func();
		
	return NULL;	
}

RID VisualServer::texture_create_from_image(const Image& p_image,uint32_t p_flags) {

	RID texture = texture_create();
	texture_allocate(texture,p_image.get_width(), p_image.get_height(), p_image.get_format(), p_flags); //if it has mipmaps, use, else generate
	ERR_FAIL_COND_V(!texture.is_valid(),texture);

	texture_set_data(texture, p_image );
	
	return texture;
}

RID VisualServer::get_test_texture() {

	if (test_texture) {
		return test_texture;
	};

#define TEST_TEXTURE_SIZE 256

	Image data(TEST_TEXTURE_SIZE,TEST_TEXTURE_SIZE,0,Image::FORMAT_RGB);

	for (int x=0;x<TEST_TEXTURE_SIZE;x++) {

		for (int y=0;y<TEST_TEXTURE_SIZE;y++) {

			Color c;
			int r=255-(x+y)/2;

			if ((x%(TEST_TEXTURE_SIZE/8))<2 ||(y%(TEST_TEXTURE_SIZE/8))<2) {

				c.r=y;
				c.g=r;
				c.b=x;

			} else {

				c.r=r;
				c.g=x;
				c.b=y;
			}

			data.put_pixel(x, y, c);
		}
	}

	test_texture = texture_create_from_image(data);

	return test_texture;
};

RID VisualServer::_make_test_cube() {

	DVector<Vector3> vertices;
	DVector<Vector3> normals;
	DVector<float> tangents;	
	DVector<Vector3> uvs;
							
	int vtx_idx=0;
#define ADD_VTX(m_idx);\
	vertices.push_back( face_points[m_idx] );\
	normals.push_back( normal_points[m_idx] );\
	tangents.push_back( normal_points[m_idx][1] );\
	tangents.push_back( normal_points[m_idx][2] );\
	tangents.push_back( normal_points[m_idx][0] );\
	tangents.push_back( 1.0 );\
	uvs.push_back( Vector3(uv_points[m_idx*2+0],uv_points[m_idx*2+1],0) );\
	vtx_idx++;\

	for (int i=0;i<6;i++) {

	
		Vector3 face_points[4];
		Vector3 normal_points[4];
		float uv_points[8]={0,0,0,1,1,1,1,0};
	
		for (int j=0;j<4;j++) {
		
			float v[3];
			v[0]=1.0;
			v[1]=1-2*((j>>1)&1);
			v[2]=v[1]*(1-2*(j&1));
		
			for (int k=0;k<3;k++) {
			
				if (i<3)
					face_points[j][(i+k)%3]=v[k]*(i>=3?-1:1);
				else
					face_points[3-j][(i+k)%3]=v[k]*(i>=3?-1:1);
			}
			normal_points[j]=Vector3();
			normal_points[j][i%3]=(i>=3?-1:1);
		}

	//tri 1
		ADD_VTX(0);
		ADD_VTX(1);
		ADD_VTX(2);
	//tri 2
		ADD_VTX(2);
		ADD_VTX(3);
		ADD_VTX(0);

	}

	RID test_cube = mesh_create();

	Array d;
	d.resize(VS::ARRAY_MAX);
	d[VisualServer::ARRAY_NORMAL]= normals ;
	d[VisualServer::ARRAY_TANGENT]= tangents ;
	d[VisualServer::ARRAY_TEX_UV]= uvs ;
	d[VisualServer::ARRAY_VERTEX]= vertices ;

	DVector<int> indices;
	indices.resize(vertices.size());
	for(int i=0;i<vertices.size();i++)
		indices.set(i,i);
	d[VisualServer::ARRAY_INDEX]=indices;

	mesh_add_surface( test_cube, PRIMITIVE_TRIANGLES,d );
	

	RID material = fixed_material_create();
	//material_set_flag(material, MATERIAL_FLAG_BILLBOARD_TOGGLE,true);
	fixed_material_set_texture( material, FIXED_MATERIAL_PARAM_DIFFUSE, get_test_texture() );
	fixed_material_set_param( material, FIXED_MATERIAL_PARAM_SPECULAR_EXP, 70 );
	fixed_material_set_param( material, FIXED_MATERIAL_PARAM_EMISSION, Vector3(0.2,0.2,0.2) );

	fixed_material_set_param( material, FIXED_MATERIAL_PARAM_DIFFUSE, Color(1, 1, 1) );
	fixed_material_set_param( material, FIXED_MATERIAL_PARAM_SPECULAR, Color(1,1,1) );

	mesh_surface_set_material(test_cube, 0, material );
	
	return test_cube;
}


RID VisualServer::make_sphere_mesh(int p_lats,int p_lons,float p_radius) {
	
	DVector<Vector3> vertices;
	DVector<Vector3> normals;
	
	for(int i = 1; i <= p_lats; i++) {
		double lat0 = Math_PI * (-0.5 + (double) (i - 1) / p_lats);
		double z0  = Math::sin(lat0);
		double zr0 =  Math::cos(lat0);
	
		double lat1 = Math_PI * (-0.5 + (double) i / p_lats);
		double z1 = Math::sin(lat1);
		double zr1 = Math::cos(lat1);
	
		for(int j = p_lons; j >= 1; j--) {
		
			double lng0 = 2 * Math_PI * (double) (j - 1) / p_lons;
			double x0 = Math::cos(lng0);
			double y0 = Math::sin(lng0);
			
			double lng1 = 2 * Math_PI * (double) (j) / p_lons;
			double x1 = Math::cos(lng1);					
			double y1 = Math::sin(lng1);
			
			
			Vector3 v[4]={
				Vector3(x1 * zr0, z0, y1 *zr0),
				Vector3(x1 * zr1, z1, y1 *zr1),
				Vector3(x0 * zr1, z1, y0 *zr1),
				Vector3(x0 * zr0, z0, y0 *zr0)
			};
			
#define ADD_POINT(m_idx)\
	normals.push_back(v[m_idx]);	\
	vertices.push_back(v[m_idx]*p_radius);\
	
			ADD_POINT(0);
			ADD_POINT(1);
			ADD_POINT(2);
			
			ADD_POINT(2);
			ADD_POINT(3);
			ADD_POINT(0);
		}
	}

	RID mesh = mesh_create();
	Array d;
	d.resize(VS::ARRAY_MAX);

	d[ARRAY_VERTEX]=vertices;
	d[ARRAY_NORMAL]=normals;

	mesh_add_surface(mesh,PRIMITIVE_TRIANGLES,d);

	return mesh;
}


RID VisualServer::material_2d_get(bool p_shaded, bool p_transparent, bool p_cut_alpha, bool p_opaque_prepass) {

	int version=0;
	if (p_shaded)
		version=1;
	if (p_transparent)
		version|=2;
	if (p_cut_alpha)
		version|=4;
	if (p_opaque_prepass)
		version|=8;
	if (material_2d[version].is_valid())
		return material_2d[version];

	//not valid, make

	material_2d[version]=fixed_material_create();
	fixed_material_set_flag(material_2d[version],FIXED_MATERIAL_FLAG_USE_ALPHA,p_transparent);
	fixed_material_set_flag(material_2d[version],FIXED_MATERIAL_FLAG_USE_COLOR_ARRAY,true);	
	fixed_material_set_flag(material_2d[version],FIXED_MATERIAL_FLAG_DISCARD_ALPHA,p_cut_alpha);
	material_set_flag(material_2d[version],MATERIAL_FLAG_UNSHADED,!p_shaded);
	material_set_flag(material_2d[version],MATERIAL_FLAG_DOUBLE_SIDED,true);
	material_set_hint(material_2d[version],MATERIAL_HINT_OPAQUE_PRE_PASS,p_opaque_prepass);
	fixed_material_set_texture(material_2d[version],FIXED_MATERIAL_PARAM_DIFFUSE,get_white_texture());
	//material cut alpha?
	return material_2d[version];
}

RID VisualServer::get_white_texture() {

	if (white_texture.is_valid())
		return white_texture;

	DVector<uint8_t> wt;
	wt.resize(16*3);
	{
		DVector<uint8_t>::Write w =wt.write();
		for(int i=0;i<16*3;i++)
			w[i]=255;
	}
	Image white(4,4,0,Image::FORMAT_RGB,wt);
	white_texture=texture_create();
	texture_allocate(white_texture,4,4,Image::FORMAT_RGB);
	texture_set_data(white_texture,white);
	return white_texture;

}

void VisualServer::_bind_methods() {


	ObjectTypeDB::bind_method(_MD("texture_create"),&VisualServer::texture_create);
	ObjectTypeDB::bind_method(_MD("texture_create_from_image"),&VisualServer::texture_create_from_image,DEFVAL( TEXTURE_FLAGS_DEFAULT ) );
	//ObjectTypeDB::bind_method(_MD("texture_allocate"),&VisualServer::texture_allocate,DEFVAL( TEXTURE_FLAGS_DEFAULT ) );
	//ObjectTypeDB::bind_method(_MD("texture_set_data"),&VisualServer::texture_blit_rect,DEFVAL( CUBEMAP_LEFT ) );
	//ObjectTypeDB::bind_method(_MD("texture_get_rect"),&VisualServer::texture_get_rect );
	ObjectTypeDB::bind_method(_MD("texture_set_flags"),&VisualServer::texture_set_flags );
	ObjectTypeDB::bind_method(_MD("texture_get_flags"),&VisualServer::texture_get_flags );
	ObjectTypeDB::bind_method(_MD("texture_get_width"),&VisualServer::texture_get_width );
	ObjectTypeDB::bind_method(_MD("texture_get_height"),&VisualServer::texture_get_height );
#ifndef _3D_DISABLED

	ObjectTypeDB::bind_method(_MD("shader_create","mode"),&VisualServer::shader_create,DEFVAL(SHADER_MATERIAL));
	ObjectTypeDB::bind_method(_MD("shader_set_mode","shader","mode"),&VisualServer::shader_set_mode);



	ObjectTypeDB::bind_method(_MD("material_create"),&VisualServer::material_create);

	ObjectTypeDB::bind_method(_MD("material_set_shader","shader"),&VisualServer::material_set_shader);
	ObjectTypeDB::bind_method(_MD("material_get_shader"),&VisualServer::material_get_shader);

	ObjectTypeDB::bind_method(_MD("material_set_param"),&VisualServer::material_set_param);
	ObjectTypeDB::bind_method(_MD("material_get_param"),&VisualServer::material_get_param);
	ObjectTypeDB::bind_method(_MD("material_set_flag"),&VisualServer::material_set_flag);
	ObjectTypeDB::bind_method(_MD("material_get_flag"),&VisualServer::material_get_flag);
	ObjectTypeDB::bind_method(_MD("material_set_blend_mode"),&VisualServer::material_set_blend_mode);
	ObjectTypeDB::bind_method(_MD("material_get_blend_mode"),&VisualServer::material_get_blend_mode);
	ObjectTypeDB::bind_method(_MD("material_set_line_width"),&VisualServer::material_set_line_width);
	ObjectTypeDB::bind_method(_MD("material_get_line_width"),&VisualServer::material_get_line_width);


	ObjectTypeDB::bind_method(_MD("mesh_create"),&VisualServer::mesh_create);
	ObjectTypeDB::bind_method(_MD("mesh_add_surface"),&VisualServer::mesh_add_surface, DEFVAL(NO_INDEX_ARRAY));
	ObjectTypeDB::bind_method(_MD("mesh_surface_set_material"),&VisualServer::mesh_surface_set_material,DEFVAL(false));
	ObjectTypeDB::bind_method(_MD("mesh_surface_get_material"),&VisualServer::mesh_surface_get_material);

	ObjectTypeDB::bind_method(_MD("mesh_surface_get_array_len"),&VisualServer::mesh_surface_get_array_len);
	ObjectTypeDB::bind_method(_MD("mesh_surface_get_array_index_len"),&VisualServer::mesh_surface_get_array_index_len);
	ObjectTypeDB::bind_method(_MD("mesh_surface_get_format"),&VisualServer::mesh_surface_get_format);
	ObjectTypeDB::bind_method(_MD("mesh_surface_get_primitive_type"),&VisualServer::mesh_surface_get_primitive_type);

	ObjectTypeDB::bind_method(_MD("mesh_remove_surface"),&VisualServer::mesh_remove_surface);
	ObjectTypeDB::bind_method(_MD("mesh_get_surface_count"),&VisualServer::mesh_get_surface_count);


	ObjectTypeDB::bind_method(_MD("multimesh_create"),&VisualServer::multimesh_create);
	ObjectTypeDB::bind_method(_MD("multimesh_set_mesh"),&VisualServer::multimesh_set_mesh);
	ObjectTypeDB::bind_method(_MD("multimesh_set_aabb"),&VisualServer::multimesh_set_aabb);
	ObjectTypeDB::bind_method(_MD("multimesh_instance_set_transform"),&VisualServer::multimesh_instance_set_transform);
	ObjectTypeDB::bind_method(_MD("multimesh_instance_set_color"),&VisualServer::multimesh_instance_set_color);
	ObjectTypeDB::bind_method(_MD("multimesh_get_mesh"),&VisualServer::multimesh_get_mesh);
	ObjectTypeDB::bind_method(_MD("multimesh_get_aabb"),&VisualServer::multimesh_get_aabb);
	ObjectTypeDB::bind_method(_MD("multimesh_instance_get_transform"),&VisualServer::multimesh_instance_get_transform);
	ObjectTypeDB::bind_method(_MD("multimesh_instance_get_color"),&VisualServer::multimesh_instance_get_color);



	ObjectTypeDB::bind_method(_MD("particles_create"),&VisualServer::particles_create);
	ObjectTypeDB::bind_method(_MD("particles_set_amount"),&VisualServer::particles_set_amount);
	ObjectTypeDB::bind_method(_MD("particles_get_amount"),&VisualServer::particles_get_amount);
	ObjectTypeDB::bind_method(_MD("particles_set_emitting"),&VisualServer::particles_set_emitting);
	ObjectTypeDB::bind_method(_MD("particles_is_emitting"),&VisualServer::particles_is_emitting);
	ObjectTypeDB::bind_method(_MD("particles_set_visibility_aabb"),&VisualServer::particles_set_visibility_aabb);
	ObjectTypeDB::bind_method(_MD("particles_get_visibility_aabb"),&VisualServer::particles_get_visibility_aabb);
	ObjectTypeDB::bind_method(_MD("particles_set_variable"),&VisualServer::particles_set_variable);
	ObjectTypeDB::bind_method(_MD("particles_get_variable"),&VisualServer::particles_get_variable);
	ObjectTypeDB::bind_method(_MD("particles_set_randomness"),&VisualServer::particles_set_randomness);
	ObjectTypeDB::bind_method(_MD("particles_get_randomness"),&VisualServer::particles_get_randomness);
	ObjectTypeDB::bind_method(_MD("particles_set_color_phases"),&VisualServer::particles_set_color_phases);
	ObjectTypeDB::bind_method(_MD("particles_get_color_phases"),&VisualServer::particles_get_color_phases);
	ObjectTypeDB::bind_method(_MD("particles_set_color_phase_pos"),&VisualServer::particles_set_color_phase_pos);
	ObjectTypeDB::bind_method(_MD("particles_get_color_phase_pos"),&VisualServer::particles_get_color_phase_pos);
	ObjectTypeDB::bind_method(_MD("particles_set_color_phase_color"),&VisualServer::particles_set_color_phase_color);
	ObjectTypeDB::bind_method(_MD("particles_get_color_phase_color"),&VisualServer::particles_get_color_phase_color);
	ObjectTypeDB::bind_method(_MD("particles_set_attractors"),&VisualServer::particles_set_attractors);
	ObjectTypeDB::bind_method(_MD("particles_get_attractors"),&VisualServer::particles_get_attractors);
	ObjectTypeDB::bind_method(_MD("particles_set_attractor_pos"),&VisualServer::particles_set_attractor_pos);
	ObjectTypeDB::bind_method(_MD("particles_get_attractor_pos"),&VisualServer::particles_get_attractor_pos);
	ObjectTypeDB::bind_method(_MD("particles_set_attractor_strength"),&VisualServer::particles_set_attractor_strength);
	ObjectTypeDB::bind_method(_MD("particles_get_attractor_strength"),&VisualServer::particles_get_attractor_strength);
	ObjectTypeDB::bind_method(_MD("particles_set_material"),&VisualServer::particles_set_material,DEFVAL(false));
	ObjectTypeDB::bind_method(_MD("particles_set_height_from_velocity"),&VisualServer::particles_set_height_from_velocity);
	ObjectTypeDB::bind_method(_MD("particles_has_height_from_velocity"),&VisualServer::particles_has_height_from_velocity);



	ObjectTypeDB::bind_method(_MD("light_create"),&VisualServer::light_create);
	ObjectTypeDB::bind_method(_MD("light_get_type"),&VisualServer::light_get_type);
	ObjectTypeDB::bind_method(_MD("light_set_color"),&VisualServer::light_set_color);
	ObjectTypeDB::bind_method(_MD("light_get_color"),&VisualServer::light_get_color);
	ObjectTypeDB::bind_method(_MD("light_set_shadow"),&VisualServer::light_set_shadow);
	ObjectTypeDB::bind_method(_MD("light_has_shadow"),&VisualServer::light_has_shadow);
	ObjectTypeDB::bind_method(_MD("light_set_volumetric"),&VisualServer::light_set_volumetric);
	ObjectTypeDB::bind_method(_MD("light_is_volumetric"),&VisualServer::light_is_volumetric);
	ObjectTypeDB::bind_method(_MD("light_set_projector"),&VisualServer::light_set_projector);
	ObjectTypeDB::bind_method(_MD("light_get_projector"),&VisualServer::light_get_projector);
	ObjectTypeDB::bind_method(_MD("light_set_var"),&VisualServer::light_set_param);
	ObjectTypeDB::bind_method(_MD("light_get_var"),&VisualServer::light_get_param);

	ObjectTypeDB::bind_method(_MD("skeleton_create"),&VisualServer::skeleton_create);
	ObjectTypeDB::bind_method(_MD("skeleton_resize"),&VisualServer::skeleton_resize);
	ObjectTypeDB::bind_method(_MD("skeleton_get_bone_count"),&VisualServer::skeleton_get_bone_count);
	ObjectTypeDB::bind_method(_MD("skeleton_bone_set_transform"),&VisualServer::skeleton_bone_set_transform);
	ObjectTypeDB::bind_method(_MD("skeleton_bone_get_transform"),&VisualServer::skeleton_bone_get_transform);



	ObjectTypeDB::bind_method(_MD("room_create"),&VisualServer::room_create);
	ObjectTypeDB::bind_method(_MD("room_set_bounds"),&VisualServer::room_set_bounds);
	ObjectTypeDB::bind_method(_MD("room_get_bounds"),&VisualServer::room_get_bounds);

	ObjectTypeDB::bind_method(_MD("portal_create"),&VisualServer::portal_create);
	ObjectTypeDB::bind_method(_MD("portal_set_shape"),&VisualServer::portal_set_shape);
	ObjectTypeDB::bind_method(_MD("portal_get_shape"),&VisualServer::portal_get_shape);
	ObjectTypeDB::bind_method(_MD("portal_set_enabled"),&VisualServer::portal_set_enabled);
	ObjectTypeDB::bind_method(_MD("portal_is_enabled"),&VisualServer::portal_is_enabled);
	ObjectTypeDB::bind_method(_MD("portal_set_disable_distance"),&VisualServer::portal_set_disable_distance);
	ObjectTypeDB::bind_method(_MD("portal_get_disable_distance"),&VisualServer::portal_get_disable_distance);
	ObjectTypeDB::bind_method(_MD("portal_set_disabled_color"),&VisualServer::portal_set_disabled_color);
	ObjectTypeDB::bind_method(_MD("portal_get_disabled_color"),&VisualServer::portal_get_disabled_color);


	ObjectTypeDB::bind_method(_MD("camera_create"),&VisualServer::camera_create);
	ObjectTypeDB::bind_method(_MD("camera_set_perspective"),&VisualServer::camera_set_perspective);
	ObjectTypeDB::bind_method(_MD("camera_set_orthogonal"),&VisualServer::_camera_set_orthogonal);
	ObjectTypeDB::bind_method(_MD("camera_set_transform"),&VisualServer::camera_set_transform);


	ObjectTypeDB::bind_method(_MD("viewport_create"),&VisualServer::viewport_create);
	ObjectTypeDB::bind_method(_MD("viewport_set_rect"),&VisualServer::_viewport_set_rect);
	ObjectTypeDB::bind_method(_MD("viewport_get_rect"),&VisualServer::_viewport_get_rect);
	ObjectTypeDB::bind_method(_MD("viewport_attach_camera"),&VisualServer::viewport_attach_camera,DEFVAL(RID()));
	ObjectTypeDB::bind_method(_MD("viewport_get_attached_camera"),&VisualServer::viewport_get_attached_camera);
	ObjectTypeDB::bind_method(_MD("viewport_get_scenario"),&VisualServer::viewport_get_scenario);
	ObjectTypeDB::bind_method(_MD("viewport_attach_canvas"),&VisualServer::viewport_attach_canvas);
	ObjectTypeDB::bind_method(_MD("viewport_remove_canvas"),&VisualServer::viewport_remove_canvas);
	ObjectTypeDB::bind_method(_MD("viewport_set_global_canvas_transform"),&VisualServer::viewport_set_global_canvas_transform);

	ObjectTypeDB::bind_method(_MD("scenario_create"),&VisualServer::scenario_create);
	ObjectTypeDB::bind_method(_MD("scenario_set_debug"),&VisualServer::scenario_set_debug);


	ObjectTypeDB::bind_method(_MD("instance_create"),&VisualServer::instance_create,DEFVAL(RID()));
	ObjectTypeDB::bind_method(_MD("instance_get_base"),&VisualServer::instance_get_base);
	ObjectTypeDB::bind_method(_MD("instance_get_base_aabb"),&VisualServer::instance_get_base);
	ObjectTypeDB::bind_method(_MD("instance_set_transform"),&VisualServer::instance_set_transform);
	ObjectTypeDB::bind_method(_MD("instance_get_transform"),&VisualServer::instance_get_transform);
	ObjectTypeDB::bind_method(_MD("instance_attach_object_instance_ID"),&VisualServer::instance_attach_object_instance_ID);
	ObjectTypeDB::bind_method(_MD("instance_get_object_instance_ID"),&VisualServer::instance_get_object_instance_ID);
	ObjectTypeDB::bind_method(_MD("instance_attach_skeleton"),&VisualServer::instance_attach_skeleton);
	ObjectTypeDB::bind_method(_MD("instance_get_skeleton"),&VisualServer::instance_get_skeleton);
	ObjectTypeDB::bind_method(_MD("instance_set_room"),&VisualServer::instance_set_room);
	ObjectTypeDB::bind_method(_MD("instance_get_room"),&VisualServer::instance_get_room);

	ObjectTypeDB::bind_method(_MD("instance_set_exterior"),&VisualServer::instance_set_exterior);
	ObjectTypeDB::bind_method(_MD("instance_is_exterior"),&VisualServer::instance_is_exterior);

	ObjectTypeDB::bind_method(_MD("instances_cull_aabb"),&VisualServer::instances_cull_aabb);
	ObjectTypeDB::bind_method(_MD("instances_cull_ray"),&VisualServer::instances_cull_ray);
	ObjectTypeDB::bind_method(_MD("instances_cull_convex"),&VisualServer::instances_cull_ray);



	ObjectTypeDB::bind_method(_MD("instance_geometry_override_material_param"),&VisualServer::instance_get_room);
	ObjectTypeDB::bind_method(_MD("instance_geometry_get_material_param"),&VisualServer::instance_get_room);

	ObjectTypeDB::bind_method(_MD("get_test_cube"),&VisualServer::get_test_cube);

#endif
	ObjectTypeDB::bind_method(_MD("canvas_create"),&VisualServer::canvas_create);
	ObjectTypeDB::bind_method(_MD("canvas_item_create"),&VisualServer::canvas_item_create);
	ObjectTypeDB::bind_method(_MD("canvas_item_set_parent"),&VisualServer::canvas_item_set_parent);
	ObjectTypeDB::bind_method(_MD("canvas_item_get_parent"),&VisualServer::canvas_item_get_parent);
	ObjectTypeDB::bind_method(_MD("canvas_item_set_transform"),&VisualServer::canvas_item_set_transform);
	ObjectTypeDB::bind_method(_MD("canvas_item_set_custom_rect"),&VisualServer::canvas_item_set_custom_rect);
	ObjectTypeDB::bind_method(_MD("canvas_item_set_clip"),&VisualServer::canvas_item_set_clip);
	ObjectTypeDB::bind_method(_MD("canvas_item_set_opacity"),&VisualServer::canvas_item_set_opacity);
	ObjectTypeDB::bind_method(_MD("canvas_item_get_opacity"),&VisualServer::canvas_item_get_opacity);
	ObjectTypeDB::bind_method(_MD("canvas_item_set_self_opacity"),&VisualServer::canvas_item_set_self_opacity);
	ObjectTypeDB::bind_method(_MD("canvas_item_get_self_opacity"),&VisualServer::canvas_item_get_self_opacity);

	ObjectTypeDB::bind_method(_MD("canvas_item_add_line"),&VisualServer::canvas_item_add_line, DEFVAL(1.0));
	ObjectTypeDB::bind_method(_MD("canvas_item_add_rect"),&VisualServer::canvas_item_add_rect);
	ObjectTypeDB::bind_method(_MD("canvas_item_add_texture_rect"),&VisualServer::canvas_item_add_texture_rect, DEFVAL(Color(1,1,1)));
	ObjectTypeDB::bind_method(_MD("canvas_item_add_texture_rect_region"),&VisualServer::canvas_item_add_texture_rect_region, DEFVAL(Color(1,1,1)));
	ObjectTypeDB::bind_method(_MD("canvas_item_add_style_box"),&VisualServer::_canvas_item_add_style_box, DEFVAL(Color(1,1,1)));
//	ObjectTypeDB::bind_method(_MD("canvas_item_add_primitive"),&VisualServer::canvas_item_add_primitive,DEFVAL(Vector<Vector2>()),DEFVAL(RID()));
	ObjectTypeDB::bind_method(_MD("canvas_item_add_circle"),&VisualServer::canvas_item_add_circle);

	ObjectTypeDB::bind_method(_MD("viewport_set_canvas_transform"),&VisualServer::viewport_set_canvas_transform);

	ObjectTypeDB::bind_method(_MD("canvas_item_clear"),&VisualServer::canvas_item_clear);
	ObjectTypeDB::bind_method(_MD("canvas_item_raise"),&VisualServer::canvas_item_raise);


	ObjectTypeDB::bind_method(_MD("cursor_set_rotation"),&VisualServer::cursor_set_rotation);
	ObjectTypeDB::bind_method(_MD("cursor_set_texture"),&VisualServer::cursor_set_texture);
	ObjectTypeDB::bind_method(_MD("cursor_set_visible"),&VisualServer::cursor_set_visible);
	ObjectTypeDB::bind_method(_MD("cursor_set_pos"),&VisualServer::cursor_set_pos);

	ObjectTypeDB::bind_method(_MD("black_bars_set_margins","left","top","right","bottom"),&VisualServer::black_bars_set_margins);

	ObjectTypeDB::bind_method(_MD("make_sphere_mesh"),&VisualServer::make_sphere_mesh);
	ObjectTypeDB::bind_method(_MD("mesh_add_surface_from_planes"),&VisualServer::mesh_add_surface_from_planes);

	ObjectTypeDB::bind_method(_MD("draw"),&VisualServer::draw);
	ObjectTypeDB::bind_method(_MD("free"),&VisualServer::free);

	ObjectTypeDB::bind_method(_MD("set_default_clear_color"),&VisualServer::set_default_clear_color);

	ObjectTypeDB::bind_method(_MD("get_render_info"),&VisualServer::get_render_info);

	BIND_CONSTANT( NO_INDEX_ARRAY );
	BIND_CONSTANT( CUSTOM_ARRAY_SIZE );
	BIND_CONSTANT( ARRAY_WEIGHTS_SIZE );
	BIND_CONSTANT( MAX_PARTICLE_COLOR_PHASES );
	BIND_CONSTANT( MAX_PARTICLE_ATTRACTORS );
	BIND_CONSTANT( MAX_CURSORS  );

	BIND_CONSTANT( TEXTURE_FLAG_MIPMAPS );
	BIND_CONSTANT( TEXTURE_FLAG_REPEAT );
	BIND_CONSTANT( TEXTURE_FLAG_FILTER );
	BIND_CONSTANT( TEXTURE_FLAG_CUBEMAP );
	BIND_CONSTANT( TEXTURE_FLAGS_DEFAULT );

	BIND_CONSTANT( CUBEMAP_LEFT );
	BIND_CONSTANT( CUBEMAP_RIGHT );
	BIND_CONSTANT( CUBEMAP_BOTTOM );
	BIND_CONSTANT( CUBEMAP_TOP );
	BIND_CONSTANT( CUBEMAP_FRONT );
	BIND_CONSTANT( CUBEMAP_BACK );

	BIND_CONSTANT( SHADER_MATERIAL ); ///< param 0: name
	BIND_CONSTANT( SHADER_POST_PROCESS ); ///< param 0: name

	BIND_CONSTANT( MATERIAL_FLAG_VISIBLE );
	BIND_CONSTANT( MATERIAL_FLAG_DOUBLE_SIDED );
	BIND_CONSTANT( MATERIAL_FLAG_INVERT_FACES );
	BIND_CONSTANT( MATERIAL_FLAG_UNSHADED );
	BIND_CONSTANT( MATERIAL_FLAG_ONTOP );
	BIND_CONSTANT( MATERIAL_FLAG_WIREFRAME );
	BIND_CONSTANT( MATERIAL_FLAG_BILLBOARD );
	BIND_CONSTANT( MATERIAL_FLAG_MAX );

	BIND_CONSTANT( MATERIAL_BLEND_MODE_MIX );
	BIND_CONSTANT( MATERIAL_BLEND_MODE_ADD );
	BIND_CONSTANT( MATERIAL_BLEND_MODE_SUB );
	BIND_CONSTANT( MATERIAL_BLEND_MODE_MUL );

	BIND_CONSTANT( FIXED_MATERIAL_PARAM_DIFFUSE );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_DETAIL );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_SPECULAR );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_EMISSION );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_SPECULAR_EXP );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_GLOW );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_NORMAL );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_SHADE_PARAM );
	BIND_CONSTANT( FIXED_MATERIAL_PARAM_MAX );



	BIND_CONSTANT( FIXED_MATERIAL_TEXCOORD_SPHERE );
	BIND_CONSTANT( FIXED_MATERIAL_TEXCOORD_UV );
	BIND_CONSTANT( FIXED_MATERIAL_TEXCOORD_UV_TRANSFORM );
	BIND_CONSTANT( FIXED_MATERIAL_TEXCOORD_UV2 );


	BIND_CONSTANT( ARRAY_VERTEX );
	BIND_CONSTANT( ARRAY_NORMAL );
	BIND_CONSTANT( ARRAY_TANGENT );
	BIND_CONSTANT( ARRAY_COLOR );
	BIND_CONSTANT( ARRAY_TEX_UV );
	BIND_CONSTANT( ARRAY_BONES );
	BIND_CONSTANT( ARRAY_WEIGHTS );
	BIND_CONSTANT( ARRAY_INDEX );
	BIND_CONSTANT( ARRAY_MAX );

	BIND_CONSTANT( ARRAY_FORMAT_VERTEX );
	BIND_CONSTANT( ARRAY_FORMAT_NORMAL );
	BIND_CONSTANT( ARRAY_FORMAT_TANGENT );
	BIND_CONSTANT( ARRAY_FORMAT_COLOR );
	BIND_CONSTANT( ARRAY_FORMAT_TEX_UV );
	BIND_CONSTANT( ARRAY_FORMAT_BONES );
	BIND_CONSTANT( ARRAY_FORMAT_WEIGHTS );
	BIND_CONSTANT( ARRAY_FORMAT_INDEX );

	BIND_CONSTANT( PRIMITIVE_POINTS );
	BIND_CONSTANT( PRIMITIVE_LINES );
	BIND_CONSTANT( PRIMITIVE_LINE_STRIP );
	BIND_CONSTANT( PRIMITIVE_LINE_LOOP );
	BIND_CONSTANT( PRIMITIVE_TRIANGLES );
	BIND_CONSTANT( PRIMITIVE_TRIANGLE_STRIP );
	BIND_CONSTANT( PRIMITIVE_TRIANGLE_FAN );
	BIND_CONSTANT( PRIMITIVE_MAX );

	BIND_CONSTANT( PARTICLE_LIFETIME );
	BIND_CONSTANT( PARTICLE_SPREAD );
	BIND_CONSTANT( PARTICLE_GRAVITY );
	BIND_CONSTANT( PARTICLE_LINEAR_VELOCITY );
	BIND_CONSTANT( PARTICLE_ANGULAR_VELOCITY );
	BIND_CONSTANT( PARTICLE_LINEAR_ACCELERATION );
	BIND_CONSTANT( PARTICLE_RADIAL_ACCELERATION );
	BIND_CONSTANT( PARTICLE_TANGENTIAL_ACCELERATION );
	BIND_CONSTANT( PARTICLE_INITIAL_SIZE );
	BIND_CONSTANT( PARTICLE_FINAL_SIZE );
	BIND_CONSTANT( PARTICLE_INITIAL_ANGLE );
	BIND_CONSTANT( PARTICLE_HEIGHT );
	BIND_CONSTANT( PARTICLE_HEIGHT_SPEED_SCALE );
	BIND_CONSTANT( PARTICLE_VAR_MAX );

	BIND_CONSTANT( LIGHT_DIRECTIONAL );
	BIND_CONSTANT( LIGHT_OMNI );
	BIND_CONSTANT( LIGHT_SPOT );

	BIND_CONSTANT( LIGHT_COLOR_AMBIENT );
	BIND_CONSTANT( LIGHT_COLOR_DIFFUSE );
	BIND_CONSTANT( LIGHT_COLOR_SPECULAR );

	BIND_CONSTANT( LIGHT_PARAM_SPOT_ATTENUATION );
	BIND_CONSTANT( LIGHT_PARAM_SPOT_ANGLE );
	BIND_CONSTANT( LIGHT_PARAM_RADIUS );
	BIND_CONSTANT( LIGHT_PARAM_ENERGY );
	BIND_CONSTANT( LIGHT_PARAM_ATTENUATION );
	BIND_CONSTANT( LIGHT_PARAM_MAX );

	BIND_CONSTANT( SCENARIO_DEBUG_DISABLED );
	BIND_CONSTANT( SCENARIO_DEBUG_WIREFRAME );
	BIND_CONSTANT( SCENARIO_DEBUG_OVERDRAW );

	BIND_CONSTANT( INSTANCE_MESH );
	BIND_CONSTANT( INSTANCE_MULTIMESH );

	BIND_CONSTANT( INSTANCE_PARTICLES );
	BIND_CONSTANT( INSTANCE_LIGHT );
	BIND_CONSTANT( INSTANCE_ROOM );
	BIND_CONSTANT( INSTANCE_PORTAL );
	BIND_CONSTANT( INSTANCE_GEOMETRY_MASK );


	BIND_CONSTANT( INFO_OBJECTS_IN_FRAME );
	BIND_CONSTANT( INFO_VERTICES_IN_FRAME );
	BIND_CONSTANT( INFO_MATERIAL_CHANGES_IN_FRAME );
	BIND_CONSTANT( INFO_SHADER_CHANGES_IN_FRAME );
	BIND_CONSTANT( INFO_SURFACE_CHANGES_IN_FRAME );
	BIND_CONSTANT( INFO_DRAW_CALLS_IN_FRAME );
	BIND_CONSTANT( INFO_USAGE_VIDEO_MEM_TOTAL );
	BIND_CONSTANT( INFO_VIDEO_MEM_USED );
	BIND_CONSTANT( INFO_TEXTURE_MEM_USED );
	BIND_CONSTANT( INFO_VERTEX_MEM_USED );


}

void VisualServer::_canvas_item_add_style_box(RID p_item, const Rect2& p_rect, RID p_texture,const Vector<float>& p_margins, const Color& p_modulate) {

	ERR_FAIL_COND(p_margins.size()!=4);
	canvas_item_add_style_box(p_item, p_rect, p_texture,Vector2(p_margins[0],p_margins[1]),Vector2(p_margins[2],p_margins[3]),true,p_modulate);
}

void VisualServer::_camera_set_orthogonal(RID p_camera,float p_size,float p_z_near,float p_z_far) {

	camera_set_orthogonal(p_camera,p_size,p_z_near,p_z_far);
}

void VisualServer::_viewport_set_rect(RID p_viewport,const Rect2& p_rect) {

	ViewportRect r;
	r.x=p_rect.pos.x;
	r.y=p_rect.pos.y;
	r.width=p_rect.size.x;
	r.height=p_rect.size.y;
	viewport_set_rect(p_viewport,r);
}
Rect2 VisualServer::_viewport_get_rect(RID p_viewport) const {

	ViewportRect r=viewport_get_rect(p_viewport);
	return Rect2(r.x,r.y,r.width,r.height);
}





void VisualServer::mesh_add_surface_from_mesh_data( RID p_mesh, const Geometry::MeshData& p_mesh_data) {

#if 1
	DVector<Vector3> vertices;
	DVector<Vector3> normals;
		
	for (int i=0;i<p_mesh_data.faces.size();i++) {
	
		const Geometry::MeshData::Face& f = p_mesh_data.faces[i];
		
		for (int j=2;j<f.indices.size();j++) {
			
#define _ADD_VERTEX(m_idx)\
	vertices.push_back( p_mesh_data.vertices[ f.indices[m_idx] ] );\
	normals.push_back( f.plane.normal );
	
			_ADD_VERTEX( 0 );
			_ADD_VERTEX( j-1 );
			_ADD_VERTEX( j );
		}	
	}
	
	int s = mesh_get_surface_count(p_mesh);
	Array d;
	d.resize(VS::ARRAY_MAX);
	d[ARRAY_VERTEX]=vertices;
	d[ARRAY_NORMAL]=normals;
	mesh_add_surface(p_mesh,PRIMITIVE_TRIANGLES, d);

#else


	DVector<Vector3> vertices;



	for (int i=0;i<p_mesh_data.edges.size();i++) {

		const Geometry::MeshData::Edge& f = p_mesh_data.edges[i];
		vertices.push_back(p_mesh_data.vertices[ f.a]);
		vertices.push_back(p_mesh_data.vertices[ f.b]);
	}

	Array d;
	d.resize(VS::ARRAY_MAX);
	d[ARRAY_VERTEX]=vertices;
	mesh_add_surface(p_mesh,PRIMITIVE_LINES, d);




#endif
	
}

void VisualServer::mesh_add_surface_from_planes( RID p_mesh, const DVector<Plane>& p_planes) {


	Geometry::MeshData mdata = Geometry::build_convex_mesh(p_planes);
	mesh_add_surface_from_mesh_data(p_mesh,mdata);

}

RID VisualServer::instance_create2(RID p_base, RID p_scenario) {

	RID instance = instance_create();
	instance_set_base(instance,p_base);
	instance_set_scenario(instance,p_scenario);
	return instance;
}


VisualServer::VisualServer() {

//	ERR_FAIL_COND(singleton);
	singleton=this;
	mm_policy=GLOBAL_DEF("render/mipmap_policy",0);
	if (mm_policy<0 || mm_policy>2)
		mm_policy=0;

}


VisualServer::~VisualServer() {

	singleton=NULL;
}