GODOT IS OPEN SOURCE

1 files changed, 2647 insertions, 0 deletions

diff --git a/tools/collada/collada.cpp b/tools/collada/collada.cpp
new file mode 100644
index 0000000000..66e5e3f0e6
--- /dev/null
+++ b/tools/collada/collada.cpp
@@ -0,0 +1,2647 @@
+/*************************************************************************/
+/*  collada.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.                */
+/*************************************************************************/
+#ifdef TOOLS_ENABLED
+
+#include "collada.h"
+#include "stdio.h"
+
+//#define DEBUG_DEFAULT_ANIMATION
+//#define DEBUG_COLLADA
+#ifdef DEBUG_COLLADA
+#define COLLADA_PRINT(m_what) print_line(m_what)
+#else
+#define COLLADA_PRINT(m_what)
+#endif
+
+#define COLLADA_IMPORT_SCALE_SCENE
+
+/* HELPERS */
+
+
+
+String Collada::Effect::get_texture_path(const String& p_source,Collada& state) const {
+
+	String image=p_source;
+	ERR_FAIL_COND_V(!state.state.image_map.has(image),"");
+	return state.state.image_map[image].path;
+}
+
+Transform Collada::get_root_transform() const {
+
+	Transform unit_scale_transform;
+#ifndef COLLADA_IMPORT_SCALE_SCENE
+	unit_scale_transform.scale(Vector3(state.unit_scale,state.unit_scale,state.unit_scale));
+#endif
+	return unit_scale_transform;
+}
+
+
+
+void Collada::Vertex::fix_unit_scale(Collada &state) {
+#ifdef COLLADA_IMPORT_SCALE_SCENE
+	vertex*=state.state.unit_scale;
+#endif
+}
+
+static String _uri_to_id(const String& p_uri) {
+
+	if (p_uri.begins_with("#"))
+		return p_uri.substr(1,p_uri.size()-1);
+	else
+		return p_uri;
+
+}
+
+/** HELPER FUNCTIONS **/
+
+Transform Collada::fix_transform(const Transform& p_transform) {
+
+	Transform tr=p_transform;
+
+#ifndef NO_UP_AXIS_SWAP
+
+	if (state.up_axis!=Vector3::AXIS_Y) {
+
+		for(int i=0;i<3;i++)
+			SWAP(tr.basis[1][i],tr.basis[state.up_axis][i]);
+		for(int i=0;i<3;i++)
+			SWAP(tr.basis[i][1],tr.basis[i][state.up_axis]);
+
+		SWAP(tr.origin[1],tr.origin[state.up_axis]);
+
+		tr.basis[state.up_axis][0]=-tr.basis[state.up_axis][0];
+		tr.basis[state.up_axis][1]=-tr.basis[state.up_axis][1];
+		tr.basis[0][state.up_axis]=-tr.basis[0][state.up_axis];
+		tr.basis[1][state.up_axis]=-tr.basis[1][state.up_axis];
+		tr.origin[state.up_axis]=-tr.origin[state.up_axis];
+	}
+#endif
+
+//	tr.scale(Vector3(state.unit_scale.unit_scale.unit_scale));
+	return tr;
+	//return state.matrix_fix * p_transform;
+}
+
+
+static Transform _read_transform_from_array(const Vector<float>& array, int ofs=0) {
+
+	Transform tr;
+	// i wonder why collada matrices are transposed, given that's opposed to opengl..
+	tr.basis.elements[0][0]=array[0+ofs];
+	tr.basis.elements[0][1]=array[1+ofs];
+	tr.basis.elements[0][2]=array[2+ofs];
+	tr.basis.elements[1][0]=array[4+ofs];
+	tr.basis.elements[1][1]=array[5+ofs];
+	tr.basis.elements[1][2]=array[6+ofs];
+	tr.basis.elements[2][0]=array[8+ofs];
+	tr.basis.elements[2][1]=array[9+ofs];
+	tr.basis.elements[2][2]=array[10+ofs];
+	tr.origin.x=array[3+ofs];
+	tr.origin.y=array[7+ofs];
+	tr.origin.z=array[11+ofs];
+	return tr;
+
+}
+
+/* STRUCTURES */
+
+Transform Collada::Node::compute_transform(Collada &state) const {
+
+	Transform xform;
+
+	for(int i=0;i<xform_list.size();i++) {
+
+		Transform xform_step;
+		const XForm& xf = xform_list[i];
+		switch(xf.op) {
+
+			case XForm::OP_ROTATE: {
+				if (xf.data.size()>=4) {
+
+					xform_step.rotate(Vector3(xf.data[0],xf.data[1],xf.data[2]),-Math::deg2rad(xf.data[3]));
+				}
+			} break;
+			case XForm::OP_SCALE: {
+
+				if (xf.data.size()>=3) {
+
+					xform_step.scale(Vector3(xf.data[0],xf.data[1],xf.data[2]));
+				}
+
+			} break;
+			case XForm::OP_TRANSLATE: {
+
+				if (xf.data.size()>=3) {
+
+					xform_step.origin=Vector3(xf.data[0],xf.data[1],xf.data[2]);
+				}
+
+			} break;
+			case XForm::OP_MATRIX: {
+
+				if (xf.data.size()>=16) {
+					xform_step = _read_transform_from_array(xf.data,0);
+				}
+
+			} break;
+			default: {}
+
+		}
+
+		xform = xform * xform_step;
+	}
+
+#ifdef COLLADA_IMPORT_SCALE_SCENE
+	xform.origin*=state.state.unit_scale;
+#endif
+	return xform;
+}
+
+Transform Collada::Node::get_transform() const {
+
+	return default_transform;
+}
+
+Transform Collada::Node::get_global_transform() const {
+
+	if (parent)
+		return parent->get_global_transform() * default_transform;
+	else
+		return default_transform;
+
+}
+
+Vector<float> Collada::AnimationTrack::get_value_at_time(float p_time) {
+
+	ERR_FAIL_COND_V(keys.size()==0,Vector<float>());
+	int i=0;
+
+	for(i=0;i<keys.size();i++) {
+
+		if (keys[i].time>p_time)
+			break;
+	}
+
+	if (i==0)
+		return keys[0].data;
+	if (i==keys.size())
+		return keys[keys.size()-1].data;
+
+	switch(keys[i].interp_type) {
+
+		case INTERP_BEZIER: //wait for bezier
+		case INTERP_LINEAR: {
+
+			float c = (p_time-keys[i-1].time)/(keys[i].time-keys[i-1].time);
+
+			if (keys[i].data.size()==16) {
+				//interpolate a matrix
+				Transform src = _read_transform_from_array(keys[i-1].data);
+				Transform dst = _read_transform_from_array(keys[i].data);
+
+
+				Transform interp = c<0.001 ? src : src.interpolate_with(dst,c);
+
+				Vector<float> ret;
+				ret.resize(16);
+				Transform tr;
+				// i wonder why collada matrices are transposed, given that's opposed to opengl..
+				ret[0]=interp.basis.elements[0][0];
+				ret[1]=interp.basis.elements[0][1];
+				ret[2]=interp.basis.elements[0][2];
+				ret[4]=interp.basis.elements[1][0];
+				ret[5]=interp.basis.elements[1][1];
+				ret[6]=interp.basis.elements[1][2];
+				ret[8]=interp.basis.elements[2][0];
+				ret[9]=interp.basis.elements[2][1];
+				ret[10]=interp.basis.elements[2][2];
+				ret[3]=interp.origin.x;
+				ret[7]=interp.origin.y;
+				ret[11]=interp.origin.z;
+				ret[12]=0;
+				ret[13]=0;
+				ret[14]=0;
+				ret[15]=1;
+
+				return ret;
+			} else {
+
+				Vector<float> dest;
+				dest.resize(keys[i].data.size());
+				for(int j=0;j<dest.size();j++) {
+
+					dest[j]=keys[i].data[j]*c+keys[i-1].data[j]*(1.0-c);
+				}
+				return dest;
+				//interpolate one by one
+			}
+		} break;
+	}
+
+	ERR_FAIL_V(Vector<float>());
+}
+
+
+
+
+void Collada::_parse_asset(XMLParser& parser) {
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+
+			if (name=="up_axis") {
+
+				parser.read();
+				if (parser.get_node_data()=="X_UP")
+					state.up_axis=Vector3::AXIS_X;
+				if (parser.get_node_data()=="Y_UP")
+					state.up_axis=Vector3::AXIS_Y;
+				if (parser.get_node_data()=="Z_UP")
+					state.up_axis=Vector3::AXIS_Z;
+
+				COLLADA_PRINT("up axis: "+parser.get_node_data());
+			} else if (name=="unit") {
+
+				state.unit_scale = parser.get_attribute_value("meter").to_double();
+				COLLADA_PRINT("unit scale: "+rtos(state.unit_scale));
+			}
+
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="asset")
+			break; //end of <asset>
+	}
+}
+
+
+void Collada::_parse_image(XMLParser& parser) {
+
+	String id=parser.get_attribute_value("id");
+
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+
+	Image image;
+
+
+	if (state.version<State::Version(1,4,0)) {
+		/* <1.4 */
+		String path = parser.get_attribute_value("source").strip_edges();
+		if (path.find("://")==-1 && path.is_rel_path()) {
+			// path is relative to file being loaded, so convert to a resource path
+			image.path=Globals::get_singleton()->localize_path(state.local_path.get_base_dir()+"/"+path);
+
+		}
+	} else {
+
+
+		while(parser.read()==OK) {
+
+
+			if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+				String name = parser.get_node_name();
+
+				if (name=="init_from") {
+
+					parser.read();
+					String path = parser.get_node_data().strip_edges();
+
+					if (path.find("://")==-1 && path.is_rel_path()) {
+						// path is relative to file being loaded, so convert to a resource path
+						path=Globals::get_singleton()->localize_path(state.local_path.get_base_dir()+"/"+path);
+
+					}
+
+					image.path=path;
+
+				} if (name=="data") {
+
+					ERR_PRINT("COLLADA Embedded image data not supported!");
+
+				} else if (name=="extra" && !parser.is_empty())
+					parser.skip_section();
+
+			} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="image")
+				break; //end of <asset>
+
+		}
+	}
+
+	state.image_map[id]=image;
+}
+
+void Collada::_parse_material(XMLParser& parser) {
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	Material material;
+
+	String id=parser.get_attribute_value("id");
+
+	if (state.version<State::Version(1,4,0)) {
+		/* <1.4 */
+		ERR_PRINT("Collada Materials < 1.4 are not supported (yet)");
+	} else {
+
+		while(parser.read()==OK) {
+
+			if (parser.get_node_type() == XMLParser::NODE_ELEMENT && parser.get_node_name()=="instance_effect") {
+
+				material.instance_effect=_uri_to_id(parser.get_attribute_value("url"));
+			} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="material")
+				break; //end of <asset>
+		}
+	}
+
+	state.material_map[id]=material;
+}
+
+//! reads floats from inside of xml element until end of xml element
+Vector<float> Collada::_read_float_array(XMLParser& parser) {
+
+	if (parser.is_empty())
+		return Vector<float>();
+
+	Vector<String> splitters;
+	splitters.push_back(" ");
+	splitters.push_back("\n");
+	splitters.push_back("\r");
+	splitters.push_back("\t");
+
+	Vector<float> array;
+	while(parser.read()==OK) {
+		// TODO: check for comments inside the element
+		// and ignore them.
+
+		if (parser.get_node_type() == XMLParser::NODE_TEXT) {
+			// parse float data
+			String str = parser.get_node_data();
+			array=str.split_floats_mk(splitters,false);
+			//array=str.split_floats(" ",false);
+		}
+		else
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END)
+			break; // end parsing text
+	}
+
+	return array;
+}
+
+Vector<String> Collada::_read_string_array(XMLParser& parser) {
+
+	if (parser.is_empty())
+		return Vector<String>();
+
+	Vector<String> array;
+	while(parser.read()==OK) {
+		// TODO: check for comments inside the element
+		// and ignore them.
+
+		if (parser.get_node_type() == XMLParser::NODE_TEXT) {
+			// parse String data
+			String str = parser.get_node_data();
+			array=str.split(" ",false);
+		}
+		else
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END)
+			break; // end parsing text
+	}
+
+	return array;
+}
+
+
+
+Transform Collada::_read_transform(XMLParser& parser) {
+
+	if (parser.is_empty())
+		return Transform();
+
+	Vector<float> array;
+	while(parser.read()==OK) {
+		// TODO: check for comments inside the element
+		// and ignore them.
+
+		if (parser.get_node_type() == XMLParser::NODE_TEXT) {
+			// parse float data
+			String str = parser.get_node_data();
+			array=str.split_floats(" ",false);
+		}
+		else
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END)
+			break; // end parsing text
+	}
+
+	ERR_FAIL_COND_V(array.size()!=16,Transform());
+	return _read_transform_from_array(array);
+}
+
+Variant Collada::_parse_param(XMLParser& parser) {
+
+	if (parser.is_empty())
+		return Variant();
+
+	String from = parser.get_node_name();
+	Variant data;
+
+	while(parser.read()==OK) {
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+			if (parser.get_node_name() == "float") {
+
+				parser.read();
+				if (parser.get_node_type()==XMLParser::NODE_TEXT) {
+
+					data=parser.get_node_data().to_double();
+				}
+			} else if (parser.get_node_name() == "float2") {
+
+				Vector<float> v2 = _read_float_array(parser);
+
+				if (v2.size()>=2) {
+
+					data=Vector2(v2[0],v2[1]);
+				}
+			} else if (parser.get_node_name() == "float3") {
+
+				Vector<float> v3 = _read_float_array(parser);
+
+				if (v3.size()>=3) {
+
+					data=Vector3(v3[0],v3[1],v3[2]);
+				}
+			} else if (parser.get_node_name() == "float4") {
+
+				Vector<float> v4 = _read_float_array(parser);
+
+				if (v4.size()>=4) {
+
+					data=Color(v4[0],v4[1],v4[2],v4[3]);
+				}
+			} else if (parser.get_node_name() == "sampler2D") {
+
+				while(parser.read()==OK) {
+
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="source") {
+
+							parser.read();
+
+							if (parser.get_node_type() == XMLParser::NODE_TEXT) {
+
+								data=parser.get_node_data();
+							}
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="sampler2D")
+						break;
+
+				}
+			} else if (parser.get_node_name() == "surface") {
+
+				while(parser.read()==OK) {
+
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="init_from") {
+
+							parser.read();
+
+							if (parser.get_node_type() == XMLParser::NODE_TEXT) {
+
+								data=parser.get_node_data();
+							}
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="surface")
+						break;
+
+				}
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==from)
+				break;
+	}
+
+	COLLADA_PRINT("newparam ending "+parser.get_node_name());
+	return data;
+
+}
+
+
+
+void Collada::_parse_effect_material(XMLParser& parser,Effect &effect,String &id) {
+
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+			// first come the tags we descend, but ignore the top-levels
+
+			COLLADA_PRINT("node name: "+parser.get_node_name());
+
+			if (!parser.is_empty() && (parser.get_node_name() == "profile_COMMON" || parser.get_node_name() == "technique" || parser.get_node_name() == "extra")) {
+
+				_parse_effect_material(parser,effect,id); // try again
+
+			} else if (parser.get_node_name() == "newparam") {
+				String name = parser.get_attribute_value("sid");
+				Variant value = _parse_param(parser);
+				effect.params[name]=value;
+				COLLADA_PRINT("param: "+name+" value:"+String(value));
+
+			} else if (parser.get_node_name() == "constant" ||
+					parser.get_node_name() == "lambert" ||
+					parser.get_node_name() == "phong" ||
+					parser.get_node_name() == "blinn" )
+			{
+
+				COLLADA_PRINT("shade model: "+parser.get_node_name());
+				while(parser.read()==OK) {
+
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						String what = parser.get_node_name();
+
+						if ( what=="emission" ||
+						     what=="diffuse" ||
+						     what=="specular" ||
+						     what=="reflective") {
+
+
+
+							// color or texture types
+							while(parser.read()==OK) {
+
+								if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+									if (parser.get_node_name()=="color") {
+
+										Vector<float> colorarr = _read_float_array(parser);
+										COLLADA_PRINT("colorarr size: "+rtos(colorarr.size()));
+
+										if (colorarr.size()>=3) {
+
+											// alpha strangely not allright? maybe it needs to be multiplied by value as a channel intensity
+											Color color(colorarr[0],colorarr[1],colorarr[2],1.0);
+											if (what=="diffuse")
+												effect.diffuse.color=color;
+											if (what=="specular")
+												effect.specular.color=color;
+											if (what=="emission")
+												effect.emission.color=color;
+
+											COLLADA_PRINT(what+" color: "+color);
+
+										}
+
+									} else if (parser.get_node_name()=="texture") {
+
+										String sampler = parser.get_attribute_value("texture");
+										if (!effect.params.has(sampler)) {
+											ERR_PRINT(String("Couldn't find sampler: "+sampler+" in material:"+id).utf8().get_data());
+										} else {
+											String surface = effect.params[sampler];
+
+											if (!effect.params.has(surface)) {
+												ERR_PRINT(String("Couldn't find surface: "+surface+" in material:"+id).utf8().get_data());
+											} else {
+												String uri = effect.params[surface];
+
+												int channel=0;
+												//if (parser.has_attribute("texcoord"))
+
+
+												if (what=="diffuse") {
+													effect.diffuse.texture=uri;
+												} else if (what=="specular") {
+													effect.specular.texture=uri;
+												} else if (what=="emission") {
+													effect.emission.texture=uri;
+												} else if (what=="bump") {
+													if (parser.has_attribute("bumptype") && parser.get_attribute_value("bumptype")!="NORMALMAP") {
+														WARN_PRINT("'bump' texture type is not NORMALMAP, only NORMALMAP is supported.")
+													}
+
+													effect.bump.texture=uri;
+												}
+
+												COLLADA_PRINT(what+" texture: "+uri);
+											}
+
+										}
+									} else if (!parser.is_empty())
+										parser.skip_section();
+
+								} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name() == what)
+									break;
+							}
+
+						} else if (what=="shininess") {
+#if 1
+							effect.shininess=_parse_param(parser);
+#else
+
+							parser.read();
+							float shininess = parser.get_node_data().to_double();
+							effect.shininess=shininess;
+							COLLADA_PRINT("shininess: "+rtos(shininess));
+#endif
+
+						}
+					} if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && (
+						parser.get_node_name()=="constant" ||
+						parser.get_node_name()=="lambert" ||
+						parser.get_node_name()=="phong"  ||
+						parser.get_node_name()=="blinn"))
+						break;
+				}
+			} else if (parser.get_node_name()=="double_sided" || parser.get_node_name()=="show_double_sided") { // colladamax / google earth
+
+				// 3DS Max / Google Earth double sided extension
+				parser.read();
+				effect.found_double_sided=true;
+				effect.double_sided=parser.get_node_data().to_int();
+				COLLADA_PRINT("double sided: "+itos(parser.get_node_data().to_int()));
+			} else if (parser.get_node_name()=="bump") {
+
+				// color or texture types
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="texture") {
+
+							String sampler = parser.get_attribute_value("texture");
+							if (!effect.params.has(sampler)) {
+								ERR_PRINT(String("Couldn't find sampler: "+sampler+" in material:"+id).utf8().get_data());
+							} else {
+								String surface = effect.params[sampler];
+
+								if (!effect.params.has(surface)) {
+									ERR_PRINT(String("Couldn't find surface: "+surface+" in material:"+id).utf8().get_data());
+								} else {
+									String uri = effect.params[surface];
+
+									int channel=0;
+									//if (parser.has_attribute("texcoord"))
+
+									if (parser.has_attribute("bumptype") && parser.get_attribute_value("bumptype")!="NORMALMAP") {
+										WARN_PRINT("'bump' texture type is not NORMALMAP, only NORMALMAP is supported.")
+									}
+
+									effect.bump.texture=uri;
+									COLLADA_PRINT(" bump: "+uri);
+								}
+
+							}
+						} else if (!parser.is_empty())
+							parser.skip_section();
+
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name() == "bump")
+						break;
+				}
+
+			} else if (!parser.is_empty())
+				parser.skip_section();
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END &&
+			   (parser.get_node_name() == "effect" ||
+			    parser.get_node_name() == "profile_COMMON" ||
+			    parser.get_node_name() == "technique" ||
+			    parser.get_node_name() == "extra"))
+			break;
+	}
+
+}
+
+void Collada::_parse_effect(XMLParser& parser) {
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	String id=parser.get_attribute_value("id");
+
+	Effect effect;
+	_parse_effect_material(parser,effect,id);
+
+
+	state.effect_map[id]=effect;
+
+	COLLADA_PRINT("Effect ID:"+id);
+
+}
+
+void Collada::_parse_camera(XMLParser& parser) {
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	String id=parser.get_attribute_value("id");
+
+
+	state.camera_data_map[id]=CameraData();
+	CameraData &camera=state.camera_data_map[id];
+
+
+	while(parser.read()==OK) {
+
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+
+			if (name=="perspective") {
+
+				camera.mode=CameraData::MODE_PERSPECTIVE;
+			} else if (name=="orthogonal") {
+
+				camera.mode=CameraData::MODE_ORTHOGONAL;
+			} else if (name=="xfov") {
+
+				parser.read();
+				camera.perspective.x_fov = parser.get_node_data().to_double();
+
+			} else if (name=="yfov") {
+
+				parser.read();
+				camera.perspective.y_fov = parser.get_node_data().to_double();
+			} else if (name=="xmag") {
+
+				parser.read();
+				camera.orthogonal.x_mag = parser.get_node_data().to_double();
+
+			} else if (name=="ymag") {
+
+				parser.read();
+				camera.orthogonal.y_mag = parser.get_node_data().to_double();
+			} else if (name=="aspect_ratio") {
+
+				parser.read();
+				camera.aspect = parser.get_node_data().to_double();
+
+			} else if (name=="znear") {
+
+				parser.read();
+				camera.z_near = parser.get_node_data().to_double();
+
+			} else if (name=="zfar") {
+
+				parser.read();
+				camera.z_far = parser.get_node_data().to_double();
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="camera")
+			break; //end of <asset>
+	}
+
+	COLLADA_PRINT("Camera ID:"+id);
+
+}
+
+void Collada::_parse_light(XMLParser& parser) {
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	String id=parser.get_attribute_value("id");
+
+
+	state.light_data_map[id]=LightData();
+	LightData &light=state.light_data_map[id];
+
+
+	while(parser.read()==OK) {
+
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+
+			if (name=="ambient") {
+
+				light.mode=LightData::MODE_AMBIENT;
+			} else if (name=="directional") {
+
+				light.mode=LightData::MODE_DIRECTIONAL;
+			} else if (name=="point") {
+
+				light.mode=LightData::MODE_OMNI;
+			} else if (name=="spot") {
+
+				light.mode=LightData::MODE_SPOT;
+			} else if (name=="color") {
+
+				parser.read();
+				Vector<float> colorarr = _read_float_array(parser);
+				COLLADA_PRINT("colorarr size: "+rtos(colorarr.size()));
+
+				if (colorarr.size()>=4) {
+					// alpha strangely not allright? maybe it needs to be multiplied by value as a channel intensity
+					Color color(colorarr[0],colorarr[1],colorarr[2],1.0);
+					light.color=color;
+				}
+
+			} else if (name=="constant_attenuation") {
+
+				parser.read();
+				light.constant_att=parser.get_node_data().to_double();
+			} else if (name=="linear_attenuation") {
+
+				parser.read();
+				light.linear_att=parser.get_node_data().to_double();
+			} else if (name=="quadratic_attenuation") {
+
+				parser.read();
+				light.quad_att=parser.get_node_data().to_double();
+			} else if (name=="falloff_angle") {
+
+				parser.read();
+				light.spot_angle= parser.get_node_data().to_double();
+
+			} else if (name=="falloff_exponent") {
+
+				parser.read();
+				light.spot_exp= parser.get_node_data().to_double();
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="light")
+			break; //end of <asset>
+	}
+
+	COLLADA_PRINT("Light ID:"+id);
+
+}
+
+
+void Collada::_parse_curve_geometry(XMLParser& parser,String p_id,String p_name) {
+
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	//load everything into a pre dictionary
+
+	state.curve_data_map[p_id]=CurveData();
+
+	CurveData &curvedata = state.curve_data_map[p_id];
+	curvedata.name=p_name;
+
+	COLLADA_PRINT("curve name: "+p_name);
+
+
+	String current_source;
+	// handles geometry node and the curve childs in this loop
+	// read sources with arrays and accessor for each curve
+	if (parser.is_empty()) {
+		return;
+	}
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String section  = parser.get_node_name();
+
+			if (section == "source") {
+
+				String id=parser.get_attribute_value("id");
+				curvedata.sources[id]=CurveData::Source();
+				current_source=id;
+				COLLADA_PRINT("source data: "+id);
+
+			} else if (section=="float_array" || section=="array" || section=="float_array") {
+				// create a new array and read it.
+				if (curvedata.sources.has(current_source)) {
+
+					curvedata.sources[current_source].array = _read_float_array(parser);
+					COLLADA_PRINT("section: "+current_source+" read "+itos(curvedata.sources[current_source].array.size())+" values.");
+				}
+			} else if (section=="Name_array") {
+				// create a new array and read it.
+				if (curvedata.sources.has(current_source)) {
+
+					curvedata.sources[current_source].sarray = _read_string_array(parser);
+					COLLADA_PRINT("section: "+current_source+" read "+itos(curvedata.sources[current_source].array.size())+" values.");
+				}
+
+			} else if (section == "technique_common") {
+				//skip it
+			} else if (section == "accessor") { // child of source (below a technique tag)
+
+				if (curvedata.sources.has(current_source)) {
+					curvedata.sources[current_source].stride=parser.get_attribute_value("stride").to_int();
+					COLLADA_PRINT("section: "+current_source+" stride "+itos(curvedata.sources[current_source].stride));
+				}
+			} else if (section == "control_vertices") {
+
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="input") {
+
+							String semantic = parser.get_attribute_value("semantic");
+							String source =_uri_to_id( parser.get_attribute_value("source") );
+
+							curvedata.control_vertices[semantic]=source;
+
+							COLLADA_PRINT(section+" input semantic: "+semantic+" source: "+source);
+
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==section)
+						break;
+				}
+
+			} else if (!parser.is_empty()){
+
+				parser.skip_section();
+			}
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="spline")
+				break;
+	}
+
+
+
+}
+
+
+
+void Collada::_parse_mesh_geometry(XMLParser& parser,String p_id,String p_name) {
+
+
+	if (!(state.import_flags&IMPORT_FLAG_SCENE))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+		return;
+	}
+
+	//load everything into a pre dictionary
+
+	state.mesh_data_map[p_id]=MeshData();
+
+	MeshData &meshdata = state.mesh_data_map[p_id];
+	meshdata.name=p_name;
+
+	COLLADA_PRINT("mesh name: "+p_name);
+
+
+	String current_source;
+	// handles geometry node and the mesh childs in this loop
+	// read sources with arrays and accessor for each mesh
+	if (parser.is_empty()) {
+		return;
+	}
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String section  = parser.get_node_name();
+
+
+			if (section == "source") {
+
+				String id=parser.get_attribute_value("id");
+				meshdata.sources[id]=MeshData::Source();
+				current_source=id;
+				COLLADA_PRINT("source data: "+id);
+
+			} else if (section=="float_array" || section=="array" || section=="float_array") {
+				// create a new array and read it.
+				if (meshdata.sources.has(current_source)) {
+
+					meshdata.sources[current_source].array = _read_float_array(parser);
+					COLLADA_PRINT("section: "+current_source+" read "+itos(meshdata.sources[current_source].array.size())+" values.");
+				}
+			} else if (section == "technique_common") {
+				//skip it
+			} else if (section == "accessor") { // child of source (below a technique tag)
+
+				if (meshdata.sources.has(current_source)) {
+					meshdata.sources[current_source].stride=parser.get_attribute_value("stride").to_int();
+					COLLADA_PRINT("section: "+current_source+" stride "+itos(meshdata.sources[current_source].stride));
+				}
+			} else if (section == "vertices") {
+
+				MeshData::Vertices vert;
+				String id  = parser.get_attribute_value("id");
+
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="input") {
+
+							String semantic = parser.get_attribute_value("semantic");
+							String source =_uri_to_id( parser.get_attribute_value("source") );
+
+							vert.sources[semantic]=source;
+
+							COLLADA_PRINT(section+" input semantic: "+semantic+" source: "+source);
+
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==section)
+						break;
+				}
+
+				meshdata.vertices[id]=vert;
+
+			} else if (section =="triangles" || section=="polylist" || section=="polygons") {
+
+				bool polygons=(section=="polygons");
+				if (polygons) {
+					WARN_PRINT("Primitive type \"polygons\" is not well supported (concave shapes may fail). To ensure that the geometry is properly imported, please re-export using \"triangles\" or \"polylist\".");
+				}
+				MeshData::Primitives prim;
+
+				if (parser.has_attribute("material"))
+					prim.material=parser.get_attribute_value("material");
+				prim.count=parser.get_attribute_value("count").to_int();
+				prim.vertex_size=0;
+				int last_ref=0;
+
+
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="input") {
+
+							String semantic = parser.get_attribute_value("semantic");
+							String source =_uri_to_id( parser.get_attribute_value("source") );
+
+							if (semantic=="TEXCOORD") {
+								/*
+								if (parser.has_attribute("set"))// a texcoord
+									semantic+=parser.get_attribute_value("set");
+								else
+									semantic="TEXCOORD0";*/
+								semantic="TEXCOORD"+itos(last_ref++);
+							}
+							int offset = parser.get_attribute_value("offset").to_int();
+
+
+							MeshData::Primitives::SourceRef sref;
+							sref.source=source;
+							sref.offset=offset;
+							prim.sources[semantic]=sref;
+							prim.vertex_size=MAX(prim.vertex_size,offset+1);
+
+							COLLADA_PRINT(section+" input semantic: "+semantic+" source: "+source+" offset: "+itos(offset));
+
+
+						} else if (parser.get_node_name()=="p") { //indices
+
+							Vector<float> values = _read_float_array(parser);
+							if (polygons) {
+
+								prim.polygons.push_back(values.size()/prim.vertex_size);
+								int from = prim.indices.size();
+								prim.indices.resize(from+values.size());
+								for(int i=0;i<values.size();i++)
+									prim.indices[from+i]=values[i];
+
+							} else if (prim.vertex_size>0){
+								prim.indices=values;
+							}
+
+							COLLADA_PRINT("read "+itos(values.size())+" index values");
+
+						} else if (parser.get_node_name()=="vcount") { // primitive
+
+							Vector<float> values = _read_float_array(parser);
+							prim.polygons=values;
+							COLLADA_PRINT("read "+itos(values.size())+" polygon values");
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==section)
+						break;
+
+				}
+
+				meshdata.primitives.push_back(prim);
+
+			} else if (parser.get_node_name() == "double_sided") {
+
+				parser.read();
+				meshdata.found_double_sided=true;
+				meshdata.double_sided=parser.get_node_data().to_int();
+
+			} else if (parser.get_node_name() == "polygons") {
+				ERR_PRINT("Primitive type \"polygons\" not supported, re-export using \"polylist\" or \"triangles\".");
+			} else if (!parser.is_empty()){
+
+				parser.skip_section();
+			}
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="mesh")
+				break;
+	}
+
+
+
+}
+
+void Collada::_parse_skin_controller(XMLParser& parser,String p_id) {
+
+	state.skin_controller_data_map[p_id]=SkinControllerData();
+	SkinControllerData &skindata = state.skin_controller_data_map[p_id];
+
+	skindata.base=_uri_to_id(parser.get_attribute_value("source"));
+
+	String current_source;
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT){
+
+			String section  = parser.get_node_name();
+
+			if (section=="bind_shape_matrix") {
+
+				skindata.bind_shape=_read_transform(parser);
+#ifdef COLLADA_IMPORT_SCALE_SCENE
+				skindata.bind_shape.origin *= state.unit_scale;
+
+#endif
+				COLLADA_PRINT("skeleton bind shape transform: "+skindata.bind_shape);
+
+
+			} else if (section == "source") {
+
+				String id=parser.get_attribute_value("id");
+				skindata.sources[id]=SkinControllerData::Source();
+				current_source=id;
+				COLLADA_PRINT("source data: "+id);
+
+			} else if (section=="float_array" || section=="array") {
+				// create a new array and read it.
+				if (skindata.sources.has(current_source)) {
+
+					skindata.sources[current_source].array = _read_float_array(parser);
+					COLLADA_PRINT("section: "+current_source+" read "+itos(skindata.sources[current_source].array.size())+" values.");
+				}
+			} else if (section=="Name_array" || section=="IDREF_array") {
+				// create a new array and read it.
+
+				if (section=="IDREF_array")
+					skindata.use_idrefs=true;
+				if (skindata.sources.has(current_source)) {
+
+					skindata.sources[current_source].sarray = _read_string_array(parser);
+					if (section=="IDREF_array") {
+						Vector<String> sa = skindata.sources[current_source].sarray;
+						for(int i=0;i<sa.size();i++)
+							state.idref_joints.insert(sa[i]);
+					}
+					COLLADA_PRINT("section: "+current_source+" read "+itos(skindata.sources[current_source].array.size())+" values.");
+				}
+			} else if (section == "technique_common") {
+				//skip it
+			} else if (section == "accessor") { // child of source (below a technique tag)
+
+				if (skindata.sources.has(current_source)) {
+
+					int stride=1;
+					if (parser.has_attribute("stride"))
+						stride=parser.get_attribute_value("stride").to_int();;
+
+					skindata.sources[current_source].stride=stride;
+					COLLADA_PRINT("section: "+current_source+" stride "+itos(skindata.sources[current_source].stride));
+				}
+
+			} else if (section == "joints") {
+
+				SkinControllerData::Joints joint;
+
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="input") {
+
+							String semantic = parser.get_attribute_value("semantic");
+							String source =_uri_to_id( parser.get_attribute_value("source") );
+
+							joint.sources[semantic]=source;
+
+							COLLADA_PRINT(section+" input semantic: "+semantic+" source: "+source);
+
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==section)
+						break;
+				}
+
+				skindata.joints=joint;
+
+			} else if (section=="vertex_weights") {
+
+				SkinControllerData::Weights weights;
+
+				weights.count=parser.get_attribute_value("count").to_int();
+
+
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="input") {
+
+							String semantic = parser.get_attribute_value("semantic");
+							String source =_uri_to_id( parser.get_attribute_value("source") );
+
+							int offset = parser.get_attribute_value("offset").to_int();
+
+							SkinControllerData::Weights::SourceRef sref;
+							sref.source=source;
+							sref.offset=offset;
+							weights.sources[semantic]=sref;
+
+							COLLADA_PRINT(section+" input semantic: "+semantic+" source: "+source+" offset: "+itos(offset));
+
+						} else if (parser.get_node_name()=="v") { //indices
+
+							Vector<float> values = _read_float_array(parser);
+							weights.indices=values;
+							COLLADA_PRINT("read "+itos(values.size())+" index values");
+
+						} else if (parser.get_node_name()=="vcount") { // weightsitive
+
+							Vector<float> values = _read_float_array(parser);
+							weights.sets=values;
+							COLLADA_PRINT("read "+itos(values.size())+" polygon values");
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==section)
+						break;
+
+				}
+
+				skindata.weights=weights;
+
+			}// else if (!parser.is_empty())
+			//	parser.skip_section();
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="skin")
+				break;
+	}
+
+	/* STORE REST MATRICES */
+
+	Vector<Transform> rests;
+	ERR_FAIL_COND(!skindata.joints.sources.has("JOINT"));
+	ERR_FAIL_COND(!skindata.joints.sources.has("INV_BIND_MATRIX"));
+
+	String joint_arr = skindata.joints.sources["JOINT"];
+	String ibm = skindata.joints.sources["INV_BIND_MATRIX"];
+
+	ERR_FAIL_COND(!skindata.sources.has(joint_arr));
+	ERR_FAIL_COND(!skindata.sources.has(ibm));
+
+	SkinControllerData::Source &joint_source = skindata.sources[joint_arr];
+	SkinControllerData::Source &ibm_source = skindata.sources[ibm];
+
+
+
+	ERR_FAIL_COND(joint_source.sarray.size() != ibm_source.array.size()/16);
+
+	for(int i=0;i<joint_source.sarray.size();i++) {
+
+		String name = joint_source.sarray[i];
+		Transform xform = _read_transform_from_array(ibm_source.array,i*16);//	<- this is a mistake, it must be applied to vertices
+		xform.affine_invert(); // inverse for rest, because it's an inverse
+#ifdef COLLADA_IMPORT_SCALE_SCENE
+		xform.origin*=state.unit_scale;
+#endif
+		skindata.bone_rest_map[name]=xform;
+	}
+
+
+}
+
+void Collada::_parse_morph_controller(XMLParser& parser, String p_id) {
+
+	state.morph_controller_data_map[p_id]=MorphControllerData();
+	MorphControllerData &morphdata = state.morph_controller_data_map[p_id];
+
+	morphdata.mesh=_uri_to_id(parser.get_attribute_value("source"));
+	morphdata.mode=parser.get_attribute_value("method");
+	String current_source;
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT){
+
+			String section  = parser.get_node_name();
+
+			if (section == "source") {
+
+				String id=parser.get_attribute_value("id");
+				morphdata.sources[id]=MorphControllerData::Source();
+				current_source=id;
+				COLLADA_PRINT("source data: "+id);
+
+			} else if (section=="float_array" || section=="array") {
+				// create a new array and read it.
+				if (morphdata.sources.has(current_source)) {
+
+					morphdata.sources[current_source].array = _read_float_array(parser);
+					COLLADA_PRINT("section: "+current_source+" read "+itos(morphdata.sources[current_source].array.size())+" values.");
+				}
+			} else if (section=="Name_array" || section=="IDREF_array") {
+				// create a new array and read it.
+
+				//if (section=="IDREF_array")
+				//	morphdata.use_idrefs=true;
+				if (morphdata.sources.has(current_source)) {
+
+					morphdata.sources[current_source].sarray = _read_string_array(parser);
+					/*
+					if (section=="IDREF_array") {
+						Vector<String> sa = morphdata.sources[current_source].sarray;
+						for(int i=0;i<sa.size();i++)
+							state.idref_joints.insert(sa[i]);
+					}*/
+					COLLADA_PRINT("section: "+current_source+" read "+itos(morphdata.sources[current_source].array.size())+" values.");
+				}
+			} else if (section == "technique_common") {
+				//skip it
+			} else if (section == "accessor") { // child of source (below a technique tag)
+
+				if (morphdata.sources.has(current_source)) {
+
+					int stride=1;
+					if (parser.has_attribute("stride"))
+						stride=parser.get_attribute_value("stride").to_int();;
+
+					morphdata.sources[current_source].stride=stride;
+					COLLADA_PRINT("section: "+current_source+" stride "+itos(morphdata.sources[current_source].stride));
+				}
+
+			} else if (section == "targets") {
+
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+						if (parser.get_node_name()=="input") {
+
+							String semantic = parser.get_attribute_value("semantic");
+							String source =_uri_to_id( parser.get_attribute_value("source") );
+
+							morphdata.targets[semantic]=source;
+
+							COLLADA_PRINT(section+" input semantic: "+semantic+" source: "+source);
+
+						}
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==section)
+						break;
+				}
+
+
+			}
+			// else if (!parser.is_empty())
+			//	parser.skip_section();
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="morph")
+				break;
+	}
+
+
+	if (morphdata.targets.has("MORPH_WEIGHT")) {
+
+		state.morph_name_map[ morphdata.targets["MORPH_WEIGHT"] ] = p_id;
+	}
+
+}
+
+void Collada::_parse_controller(XMLParser& parser) {
+
+	String id=parser.get_attribute_value("id");
+
+	if (parser.is_empty()) {
+		return;
+	}
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT){
+
+			String section  = parser.get_node_name();
+
+			if (section=="skin") {
+				_parse_skin_controller(parser,id);
+			} else if (section == "morph") {
+				_parse_morph_controller(parser,id);
+			}
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="controller")
+				break;
+	}
+
+
+}
+
+
+Collada::Node* Collada::_parse_visual_instance_geometry(XMLParser& parser) {
+
+	String type = parser.get_node_name();
+	NodeGeometry *geom=memnew( NodeGeometry );
+	geom->controller=type=="instance_controller";
+	geom->source = _uri_to_id(parser.get_attribute_value_safe("url"));
+
+
+
+	if (parser.is_empty()) //nothing else to parse...
+		return geom;
+	// try to find also many materials and skeletons!
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+			if (parser.get_node_name()=="instance_material") {
+
+				String symbol=parser.get_attribute_value("symbol");
+				String target=_uri_to_id(parser.get_attribute_value("target"));
+
+				NodeGeometry::Material mat;
+				mat.target=target;
+				geom->material_map[symbol]=mat;
+				COLLADA_PRINT("uses material: '"+target+"' on primitive'"+symbol+"'");
+			} else if (parser.get_node_name()=="skeleton") {
+
+				parser.read();
+				String uri = _uri_to_id(parser.get_node_data());
+				if (uri!="") {
+					geom->skeletons.push_back(uri);
+				}
+
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==type)
+			break;
+
+
+	}
+
+	if (geom->controller) {
+
+		if (geom->skeletons.empty()) {
+			//XSI style
+
+			if (state.skin_controller_data_map.has(geom->source)) {
+				SkinControllerData *skin = &state.skin_controller_data_map[geom->source];
+				//case where skeletons reference bones with IDREF (XSI)
+				ERR_FAIL_COND_V(!skin->joints.sources.has("JOINT"),geom);
+				String joint_arr = skin->joints.sources["JOINT"];
+				ERR_FAIL_COND_V(!skin->sources.has(joint_arr),geom);
+				Collada::SkinControllerData::Source &joint_source = skin->sources[joint_arr];
+				geom->skeletons=joint_source.sarray; //quite crazy, but should work.
+			}
+
+		}
+
+	}
+
+	return geom;
+}
+
+
+Collada::Node* Collada::_parse_visual_instance_camera(XMLParser& parser) {
+
+	String type = parser.get_node_name();
+	NodeCamera *cam=memnew( NodeCamera );
+	cam->camera= _uri_to_id(parser.get_attribute_value_safe("url"));
+
+	if (state.up_axis==Vector3::AXIS_Z) //collada weirdness
+		cam->post_transform.basis.rotate(Vector3(1,0,0),Math_PI*0.5);
+
+	if (parser.is_empty()) //nothing else to parse...
+		return cam;
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="instance_camera")
+			break;
+	}
+
+	return cam;
+}
+
+Collada::Node* Collada::_parse_visual_instance_light(XMLParser& parser) {
+
+	String type = parser.get_node_name();
+	NodeLight *cam=memnew( NodeLight );
+	cam->light= _uri_to_id(parser.get_attribute_value_safe("url"));
+
+	if (state.up_axis==Vector3::AXIS_Z) //collada weirdness
+		cam->post_transform.basis.rotate(Vector3(1,0,0),Math_PI*0.5);
+
+	if (parser.is_empty()) //nothing else to parse...
+		return cam;
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="instance_light")
+			break;
+	}
+
+	return cam;
+}
+
+
+Collada::Node* Collada::_parse_visual_node_instance_data(XMLParser& parser) {
+
+	String instance_type = parser.get_node_name();
+
+
+	if (instance_type=="instance_geometry" || instance_type=="instance_controller") {
+		return _parse_visual_instance_geometry(parser);
+	} else if (instance_type=="instance_camera") {
+
+		return _parse_visual_instance_camera(parser);
+	} else if (instance_type=="instance_light") {
+		return _parse_visual_instance_light(parser);
+	}
+
+
+	if (parser.is_empty()) //nothing else to parse...
+		return NULL;
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()==instance_type)
+			break;
+	}
+
+	return NULL;
+}
+
+Collada::Node* Collada::_parse_visual_scene_node(XMLParser& parser) {
+
+	String name;
+
+	String id = parser.get_attribute_value_safe("id");	
+
+	bool found_name=false;
+
+	if (id=="") {
+
+		id="%NODEID%"+itos(Math::rand());
+
+	} else {
+		found_name=true;
+	}
+
+	Vector<Node::XForm> xform_list;
+	Vector<Node*> children;
+
+	Node *node=NULL;
+
+	name=parser.has_attribute("name")?parser.get_attribute_value_safe("name"):parser.get_attribute_value_safe("id");
+	if (name=="") {
+
+		name=id;
+	} else {
+		found_name=true;
+	}
+
+	if ((parser.has_attribute("type") && parser.get_attribute_value("type")=="JOINT") || state.idref_joints.has(name)) {
+		// handle a bone
+
+		NodeJoint *joint = memnew( NodeJoint );
+
+		if ( parser.has_attribute("sid") ) { //bones may not have sid
+			joint->sid=parser.get_attribute_value("sid");
+//			state.bone_map[joint->sid]=joint;
+		} else if (state.idref_joints.has(name))
+			joint->sid=name; //kind of a cheat but..
+
+		node=joint;
+
+
+	}
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+			String section  = parser.get_node_name();
+
+			if (section=="translate") {
+				Node::XForm xf;
+				if (parser.has_attribute("sid")) {
+					xf.id=parser.get_attribute_value("sid");
+				}
+				xf.op=Node::XForm::OP_TRANSLATE;
+
+				Vector<float> xlt = _read_float_array(parser);
+				xf.data=xlt;
+				xform_list.push_back(xf);
+
+			} else if (section=="rotate") {
+				Node::XForm xf;
+				if (parser.has_attribute("sid")) {
+					xf.id=parser.get_attribute_value("sid");
+				}
+				xf.op=Node::XForm::OP_ROTATE;
+
+				Vector<float> rot = _read_float_array(parser);
+				xf.data=rot;
+
+				xform_list.push_back(xf);
+
+			} else if (section=="scale") {
+				Node::XForm xf;
+				if (parser.has_attribute("sid")) {
+					xf.id=parser.get_attribute_value("sid");
+				}
+
+				xf.op=Node::XForm::OP_SCALE;
+
+				Vector<float> scale = _read_float_array(parser);
+
+				xf.data=scale;
+
+				xform_list.push_back(xf);
+
+			} else if (section=="matrix") {
+				Node::XForm xf;
+				if (parser.has_attribute("sid")) {
+					xf.id=parser.get_attribute_value("sid");
+				}
+				xf.op=Node::XForm::OP_MATRIX;
+
+				Vector<float> matrix = _read_float_array(parser);
+
+				xf.data=matrix;
+				String mtx;
+				for(int i=0;i<matrix.size();i++)
+					mtx+=" "+rtos(matrix[i]);
+
+				xform_list.push_back(xf);
+
+			   } else if (section=="visibility") {
+				   Node::XForm xf;
+				   if (parser.has_attribute("sid")) {
+					   xf.id=parser.get_attribute_value("sid");
+				   }
+				   xf.op=Node::XForm::OP_VISIBILITY;
+
+				   Vector<float> visible = _read_float_array(parser);
+
+				   xf.data=visible;
+
+				   xform_list.push_back(xf);
+
+			} else if (section=="technique" || section=="extra") {
+
+			} else if (section!="node") {
+				//usually what defines the type of node
+				//print_line(" dont know what to do with "+section);
+				if (section.begins_with("instance_")) {
+
+					if (!node) {
+
+						node = _parse_visual_node_instance_data(parser);
+
+					} else {
+						ERR_PRINT("Multiple instance_* not supported.");
+					}
+
+				}
+
+			} else if (section=="node") {
+
+				/* Found a child node!! what to do..*/
+
+				Node *child = _parse_visual_scene_node(parser);
+				children.push_back(child);
+
+
+
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="node")
+				break;
+	}
+
+	if (!node) {
+
+		node = memnew( Node ); //generic node, nothing of relevance found
+	}
+
+	node->noname=!found_name;
+	node->xform_list=xform_list;
+	node->children=children;
+	for(int i=0;i<children.size();i++) {
+		node->children[i]->parent=node;
+	}
+
+	node->name=name;
+	node->id=id;
+
+	if (node->children.size()==1) {
+		if (node->children[0]->noname && !node->noname) {
+			node->children[0]->name=node->name;
+			node->name=node->name+"-base";
+		}
+	}
+
+
+
+	node->default_transform = node->compute_transform(*this);
+	state.scene_map[id]=node;
+
+
+	return node;
+}
+
+void Collada::_parse_visual_scene(XMLParser& parser) {
+
+	String id=parser.get_attribute_value("id");
+
+	if (parser.is_empty()) {
+		return;
+	}
+
+	state.visual_scene_map[id]=VisualScene();
+	VisualScene &vscene = state.visual_scene_map[id];
+
+	if (parser.has_attribute("name"))
+		vscene.name=parser.get_attribute_value("name");
+
+	while(parser.read()==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+			String section  = parser.get_node_name();
+
+			if (section=="node") {
+				vscene.root_nodes.push_back(_parse_visual_scene_node(parser));
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="visual_scene")
+				break;
+	}
+
+
+	COLLADA_PRINT("Scene ID:"+id);
+
+
+}
+
+void Collada::_parse_animation(XMLParser& parser) {
+
+	if (!(state.import_flags&IMPORT_FLAG_ANIMATION))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+
+
+		return;
+	}
+
+	Map<String,Vector<float> > float_sources;
+	Map<String,Vector<String> > string_sources;
+	Map<String,int > source_strides;
+	Map<String, Map<String,String> > samplers;
+	Map<String,Vector<String> > source_param_names;
+	Map<String,Vector<String> > source_param_types;
+
+	String id="";
+	if (parser.has_attribute("id"))
+		id=parser.get_attribute_value("id");
+
+	String current_source;
+	String current_sampler;
+	Vector<String> channel_sources;
+	Vector<String> channel_targets;
+
+	while(parser.read()==OK) {
+
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+			if (name=="source") {
+
+				current_source=parser.get_attribute_value("id");
+				source_param_names[current_source]=Vector<String>();
+				source_param_types[current_source]=Vector<String>();
+
+			} else if (name=="float_array") {
+
+				if (current_source!="") {
+					float_sources[current_source]=_read_float_array(parser);
+				}
+
+			} else if (name=="Name_array") {
+
+				if (current_source!="") {
+					string_sources[current_source]=_read_string_array(parser);
+				}
+			} else if (name=="accessor") {
+
+				if (current_source!="" && parser.has_attribute("stride")) {
+					source_strides[current_source]=parser.get_attribute_value("stride").to_int();
+				}
+			} else if (name=="sampler") {
+
+				current_sampler=parser.get_attribute_value("id");
+				samplers[current_sampler]=Map<String,String>();
+			} else if (name=="param") {
+
+				if (parser.has_attribute("name"))
+					source_param_names[current_source].push_back(parser.get_attribute_value("name"));
+				else
+					source_param_names[current_source].push_back("");
+
+				if (parser.has_attribute("type"))
+					source_param_types[current_source].push_back(parser.get_attribute_value("type"));
+				else
+					source_param_types[current_source].push_back("");
+
+			} else if (name=="input") {
+
+				if (current_sampler!="") {
+
+					samplers[current_sampler][parser.get_attribute_value("semantic")]=parser.get_attribute_value("source");
+				}
+
+			} else if (name=="channel") {
+
+				channel_sources.push_back(parser.get_attribute_value("source"));
+				channel_targets.push_back(parser.get_attribute_value("target"));
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="animation")
+			break; //end of <asset>
+
+
+	}
+
+
+	for(int i=0;i<channel_sources.size();i++) {
+
+		String source=_uri_to_id(channel_sources[i]);
+		String target=channel_targets[i];
+		if (!samplers.has(source)) {
+			print_line("channel lacks source: "+source);
+		}
+		ERR_CONTINUE(!samplers.has(source));
+		Map<String,String>& sampler=samplers[source];
+
+		ERR_CONTINUE(!sampler.has("INPUT")); //no input semantic? wtf?
+		String input_id=_uri_to_id(sampler["INPUT"]);
+		COLLADA_PRINT("input id is "+input_id);
+		ERR_CONTINUE(!float_sources.has(input_id));
+
+		ERR_CONTINUE(!sampler.has("OUTPUT"));
+		String output_id=_uri_to_id(sampler["OUTPUT"]);
+		ERR_CONTINUE(!float_sources.has(output_id));
+
+		ERR_CONTINUE(!source_param_names.has(output_id));
+
+		Vector<String> &names = source_param_names[output_id];
+
+		for(int l=0;l<names.size();l++) {
+
+			String name = names[l];
+
+			Vector<float> &time_keys=float_sources[input_id];
+			int key_count = time_keys.size();
+
+			AnimationTrack track; //begin crating track
+			track.id=id;
+
+			track.keys.resize(key_count);
+
+			for(int j=0;j<key_count;j++) {
+				track.keys[j].time=time_keys[j];
+				state.animation_length = MAX(state.animation_length,time_keys[j] );
+			}
+
+			//now read actual values
+
+			int stride=1;
+
+			if (source_strides.has(output_id))
+				stride=source_strides[output_id];
+			int output_len=stride / names.size();
+
+			ERR_CONTINUE(output_len==0);
+			ERR_CONTINUE(!float_sources.has(output_id));
+
+			Vector<float> &output = float_sources[output_id];
+
+			ERR_EXPLAIN("Wrong number of keys in output");
+			ERR_CONTINUE( (output.size()/stride) != key_count );
+
+			for(int j=0;j<key_count;j++) {
+				track.keys[j].data.resize(output_len);
+				for(int k=0;k<output_len;k++)
+					track.keys[j].data[k]=output[l+j*stride+k]; //super weird but should work
+			}
+
+			if(sampler.has("INTERPOLATION")) {
+
+				String interp_id=_uri_to_id(sampler["INTERPOLATION"]);
+				ERR_CONTINUE(!string_sources.has(interp_id));
+				Vector<String> &interps=string_sources[interp_id];
+				ERR_CONTINUE(interps.size()!=key_count);
+
+				for(int j=0;j<key_count;j++) {
+					if (interps[j]=="BEZIER")
+						track.keys[j].interp_type=AnimationTrack::INTERP_BEZIER;
+					else
+						track.keys[j].interp_type=AnimationTrack::INTERP_LINEAR;
+				}
+			}
+
+			if (sampler.has("IN_TANGENT") && sampler.has("OUT_TANGENT")) {
+				//bezier control points..
+				String intangent_id=_uri_to_id(sampler["IN_TANGENT"]);
+				ERR_CONTINUE(!float_sources.has(intangent_id));
+				Vector<float> &intangents=float_sources[intangent_id];
+
+
+
+
+				ERR_CONTINUE(intangents.size()!=key_count*2*names.size());
+
+				String outangent_id=_uri_to_id(sampler["OUT_TANGENT"]);
+				ERR_CONTINUE(!float_sources.has(outangent_id));
+				Vector<float> &outangents=float_sources[outangent_id];
+				ERR_CONTINUE(outangents.size()!=key_count*2*names.size());
+
+				for(int j=0;j<key_count;j++) {
+					track.keys[j].in_tangent=Vector2( intangents[j*2*names.size()+0+l*2],intangents[j*2*names.size()+1+l*2] );
+					track.keys[j].out_tangent=Vector2( outangents[j*2*names.size()+0+l*2],outangents[j*2*names.size()+1+l*2] );
+				}
+			}
+
+			if (target.find("/")!=-1) { //transform component
+				track.target=target.get_slice("/",0);
+				track.param=target.get_slice("/",1);
+				if (track.param.find(".")!=-1)
+					track.component=track.param.get_slice(".",1).to_upper();
+				track.param=track.param.get_slice(".",0);
+				if (names.size()>1 && track.component=="") {
+					//this is a guess because the collada spec is ambiguous here...
+					//i suppose if you have many names (outputs) you can't use a component and i should abide to that.
+					track.component=name;
+
+				}
+			} else {
+				track.target=target;
+			}
+
+			state.animation_tracks.push_back(track);
+
+			if (!state.referenced_tracks.has(target))
+				state.referenced_tracks[target]=Vector<int>();
+
+			state.referenced_tracks[target].push_back(state.animation_tracks.size()-1);
+
+			if (id!="") {
+				if (!state.by_id_tracks.has(id))
+					state.by_id_tracks[id]=Vector<int>();
+
+				state.by_id_tracks[id].push_back(state.animation_tracks.size()-1);
+			}
+
+			COLLADA_PRINT("loaded animation with "+itos(key_count)+" keys");
+		}
+
+	}
+}
+
+void Collada::_parse_animation_clip(XMLParser& parser) {
+
+	if (!(state.import_flags&IMPORT_FLAG_ANIMATION))  {
+		 if (!parser.is_empty())
+			parser.skip_section();
+
+
+		return;
+	}
+
+
+	AnimationClip clip;
+
+	if (parser.has_attribute("name"))
+		clip.name=parser.get_attribute_value("name");
+	if (parser.has_attribute("start"))
+		clip.begin=parser.get_attribute_value("start").to_double();
+	if (parser.has_attribute("end"))
+		clip.end=parser.get_attribute_value("end").to_double();
+
+
+	while(parser.read()==OK) {
+
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+			if (name=="instance_animation") {
+
+				String url = _uri_to_id(parser.get_attribute_value("url"));
+				clip.tracks.push_back(url);
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="animation_clip")
+			break; //end of <asset>
+
+	}
+
+	state.animation_clips.push_back(clip);
+	print_line("found anim clip: "+clip.name);
+
+}
+void Collada::_parse_scene(XMLParser& parser) {
+
+	if (parser.is_empty()) {
+		return;
+	}
+
+	while(parser.read()==OK) {
+
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+
+			if (name=="instance_visual_scene") {
+
+				state.root_visual_scene=_uri_to_id(parser.get_attribute_value("url"));
+			} if (name=="instance_physics_scene") {
+
+				state.root_physics_scene=_uri_to_id(parser.get_attribute_value("url"));
+
+			}
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="scene")
+			break; //end of <asset>
+	}
+}
+
+void Collada::_parse_library(XMLParser& parser) {
+
+
+	if (parser.is_empty()) {
+		return;
+	}
+
+	while(parser.read()==OK) {
+
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+			String name = parser.get_node_name();
+			COLLADA_PRINT("library name is: "+name);
+			if (name=="image") {
+
+				_parse_image(parser);
+			} else if (name=="material") {
+
+				_parse_material(parser);
+			} else if (name=="effect") {
+
+				_parse_effect(parser);
+			} else if (name=="camera") {
+
+				_parse_camera(parser);
+			} else if (name=="light") {
+
+				_parse_light(parser);
+			} else if (name=="geometry") {
+
+				String id = parser.get_attribute_value("id");
+				String name = parser.get_attribute_value_safe("name");
+				while(parser.read()==OK) {
+
+					if (parser.get_node_type() == XMLParser::NODE_ELEMENT)	{
+
+						if (parser.get_node_name()=="mesh") {
+							state.mesh_name_map[id]=(name!="")?name:id;
+							_parse_mesh_geometry(parser,id,name);
+						} else if (parser.get_node_name()=="spline") {
+							state.mesh_name_map[id]=(name!="")?name:id;
+							_parse_curve_geometry(parser,id,name);
+						} else if (!parser.is_empty())
+							parser.skip_section();
+					} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="geometry")
+						break;
+				}
+
+			} else if (name=="controller") {
+
+				_parse_controller(parser);
+			} else if (name=="animation") {
+
+				_parse_animation(parser);
+			} else if (name=="animation_clip") {
+
+				_parse_animation_clip(parser);
+			} else if (name=="visual_scene") {
+
+				COLLADA_PRINT("visual scene");
+				_parse_visual_scene(parser);
+			} else if (!parser.is_empty())
+				parser.skip_section();
+
+		} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name().begins_with("library_"))
+			break; //end of <asset>
+
+
+	}
+
+}
+
+void Collada::_joint_set_owner(Collada::Node *p_node, NodeSkeleton *p_owner) {
+
+	if (p_node->type==Node::TYPE_JOINT) {
+
+		NodeJoint *nj = static_cast<NodeJoint*>(p_node);
+		nj->owner=p_owner;
+
+		for(int i=0;i<nj->children.size();i++) {
+
+			_joint_set_owner(nj->children[i],p_owner);
+		}
+	}
+}
+
+void Collada::_create_skeletons(Collada::Node **p_node) {
+
+
+	Node *node = *p_node;
+
+	if (node->type==Node::TYPE_JOINT) {
+
+		// ohohohoohoo it's a joint node, time to work!
+
+		NodeSkeleton *sk = memnew( NodeSkeleton );
+		*p_node=sk;
+		sk->children.push_back(node);
+		sk->parent=node->parent;
+		node->parent=sk;
+		_joint_set_owner(node,sk);
+	} else {
+
+		for(int i=0;i<node->children.size();i++) {
+			_create_skeletons(&node->children[i]);
+		}
+	}
+}
+
+bool Collada::_remove_node(Node *p_parent,Node *p_node) {
+
+	for(int i=0;i<p_parent->children.size();i++) {
+
+		if (p_parent->children[i]==p_node) {
+			p_parent->children.remove(i);
+			return true;
+		}
+		if (_remove_node(p_parent->children[i],p_node))
+			return true;
+	}
+
+	return false;
+}
+
+void Collada::_remove_node(VisualScene *p_vscene,Node *p_node) {
+
+	for(int i=0;i<p_vscene->root_nodes.size();i++) {
+		if (p_vscene->root_nodes[i]==p_node) {
+
+			p_vscene->root_nodes.remove(i);
+			return;
+		}
+		if (_remove_node(p_vscene->root_nodes[i],p_node))
+			return;
+	}
+
+	ERR_PRINT("ERROR: Not found node to remove?");
+
+}
+
+
+void Collada::_merge_skeletons(VisualScene *p_vscene,Node *p_node) {
+
+	if (p_node->type==Node::TYPE_GEOMETRY) {
+
+		NodeGeometry *gnode = static_cast<NodeGeometry*>(p_node);
+		if (gnode->controller) {
+
+			// recount skeletons used
+			Set<NodeSkeleton*> skeletons;
+
+			for(int i=0;i<gnode->skeletons.size();i++) {
+
+				String nodeid = gnode->skeletons[i];
+
+				ERR_CONTINUE( !state.scene_map.has( nodeid )); //weird, it should have it...
+
+
+				NodeJoint *nj = SAFE_CAST<NodeJoint*>(state.scene_map[nodeid]);
+				ERR_CONTINUE( !nj->owner ); //weird, node should have a skeleton owner
+
+				skeletons.insert(nj->owner);
+			}
+
+			if (skeletons.size()>1) {
+
+				//do the merger!!
+				Set<NodeSkeleton*>::Element *E=skeletons.front();
+				NodeSkeleton *base = E->get();
+
+				for(E=E->next();E;E=E->next() ) {
+
+					NodeSkeleton *merged = E->get();
+					_remove_node(p_vscene,merged);
+					for(int i=0;i<merged->children.size();i++) {
+
+						_joint_set_owner(merged->children[i],base);
+						base->children.push_back( merged->children[i] );
+						merged->children[i]->parent=base;
+
+
+					}
+
+					merged->children.clear(); //take children from it
+					memdelete( merged );
+				}
+
+			}
+		}
+	}
+
+	for(int i=0;i<p_node->children.size();i++) {
+		_merge_skeletons(p_vscene,p_node->children[i]);
+	}
+
+}
+
+bool Collada::_optimize_skeletons(VisualScene *p_vscene,Node *p_node) {
+
+	Node *node=p_node;
+
+	if (node->type==Node::TYPE_SKELETON && node->parent && node->parent->type==Node::TYPE_NODE && node->parent->children.size()==1) {
+		//replace parent by this...
+		Node *parent = node->parent;
+
+		//i wonder if this is allright.. i think it is since created skeleton (first joint) is already animated by bone..
+		node->id=parent->id;
+		node->name=parent->name;
+		node->xform_list=parent->xform_list;
+		node->default_transform=parent->default_transform;
+
+		state.scene_map[node->id]=node;
+		node->parent=parent->parent;
+
+		if (parent->parent) {
+			Node *gp = parent->parent;
+			bool found=false;
+			for(int i=0;i<gp->children.size();i++) {
+
+				if (gp->children[i]==parent) {
+					gp->children[i]=node;
+					found=true;
+					break;
+				}
+			}
+			if (!found) {
+				ERR_PRINT("BUG");
+			}
+		} else {
+
+			bool found=false;
+
+			for(int i=0;i<p_vscene->root_nodes.size();i++) {
+
+				if (p_vscene->root_nodes[i]==parent) {
+
+					p_vscene->root_nodes[i]=node;
+					found=true;
+					break;
+				}
+			}
+			if (!found) {
+				ERR_PRINT("BUG");
+			}
+
+		}
+
+		parent->children.clear();
+		memdelete(parent);
+		return true;
+	}
+
+	for(int i=0;i<node->children.size();i++) {
+
+		if (_optimize_skeletons(p_vscene,node->children[i]))
+			return false; //stop processing, go up
+	}
+
+	return false;
+
+}
+
+
+bool Collada::_move_geometry_to_skeletons(VisualScene *p_vscene,Node *p_node,List<Node*> *p_mgeom) {
+
+	// bind shape matrix escala los huesos y los hace gigantes, asi la matriz despues achica
+	// al modelo?
+	// solucion: aplicarle la bind shape matrix a los VERTICES, y si el objeto viene con escala, se la dejo me parece!
+
+	if (p_node->type==Node::TYPE_GEOMETRY) {
+
+		NodeGeometry *ng = static_cast<NodeGeometry*>(p_node);
+		if (ng->ignore_anim)
+			return false; //already made child of skeleton and processeg
+
+		if (ng->controller && ng->skeletons.size()) {
+
+			String nodeid = ng->skeletons[0];
+
+			ERR_FAIL_COND_V( !state.scene_map.has( nodeid ), false); //weird, it should have it...
+			NodeJoint *nj = SAFE_CAST<NodeJoint*>(state.scene_map[nodeid]);
+			ERR_FAIL_COND_V(!nj,false);
+			ERR_FAIL_COND_V( !nj->owner,false ); //weird, node should have a skeleton owner
+
+			NodeSkeleton *sk = nj->owner;
+
+			Node *p =sk->parent;
+			bool node_is_parent_of_skeleton=false;
+
+			while (p) {
+				if (p==p_node) {
+					node_is_parent_of_skeleton=true;
+					break;
+				}
+				p=p->parent; // try again
+			}
+
+			ERR_FAIL_COND_V( node_is_parent_of_skeleton, false);
+
+			//this should be correct
+			ERR_FAIL_COND_V( !state.skin_controller_data_map.has(ng->source), false);
+			SkinControllerData &skin=state.skin_controller_data_map[ng->source];
+			Transform skel_inv = sk->get_global_transform().affine_inverse();
+			p_node->default_transform =  skel_inv * (skin.bind_shape /* p_node->get_global_transform()*/); // i honestly have no idea what to do with a previous model xform.. most exporters ignore it
+
+			//make rests relative to the skeleton (they seem to be always relative to world)
+			for(Map<String,Transform>::Element *E=skin.bone_rest_map.front();E;E=E->next()) {
+
+				E->get() = skel_inv * E->get(); //make the bone rest local to the skeleton
+				state.bone_rest_map[E->key()]=E->get(); // make it remember where the bone is globally, now that it's relative
+			}
+
+			//but most exporters seem to work only if i do this..
+			//p_node->default_transform = p_node->get_global_transform();
+
+
+
+			//p_node->default_transform=Transform(); //this seems to be correct, because bind shape makes the object local to the skeleton
+			p_node->ignore_anim=true; // collada may animate this later, if it does, then this is not supported (redo your original asset and don't animate the base mesh)
+			p_node->parent=sk;
+			//sk->children.push_back(0,p_node); //avoid INFINIT loop
+			p_mgeom->push_back(p_node);
+			return true;
+		}
+	}
+
+	for(int i=0;i<p_node->children.size();i++) {
+
+		if (_move_geometry_to_skeletons(p_vscene,p_node->children[i],p_mgeom)) {
+			p_node->children.remove(i);
+			i--;
+		}
+	}
+
+	return false;
+}
+
+void Collada::_find_morph_nodes(VisualScene *p_vscene,Node *p_node) {
+
+	if (p_node->type==Node::TYPE_GEOMETRY) {
+
+		NodeGeometry *nj = static_cast<NodeGeometry*>(p_node);
+
+		if (nj->controller) {
+
+			String base = nj->source;
+
+			while(base!="" && !state.mesh_data_map.has(base)) {
+
+				if (state.skin_controller_data_map.has(base)) {
+
+					SkinControllerData &sk = state.skin_controller_data_map[base];
+					base=sk.base;
+				} else if (state.morph_controller_data_map.has(base)) {
+
+					MorphControllerData &sk = state.morph_controller_data_map[base];
+					state.morph_ownership_map[base]=nj->id;
+					break;
+				} else {
+					ERR_EXPLAIN("Invalid scene");
+					ERR_FAIL();
+				}
+			}
+
+		}
+	}
+
+	for(int i=0;i<p_node->children.size();i++) {
+
+		_find_morph_nodes(p_vscene,p_node->children[i]);
+	}
+
+}
+
+void Collada::_optimize() {
+
+
+	for(Map<String,VisualScene>::Element *E=state.visual_scene_map.front();E;E=E->next()) {
+
+		VisualScene &vs = E->get();
+		for(int i=0;i<vs.root_nodes.size();i++) {
+			_create_skeletons(&vs.root_nodes[i]);
+
+		}
+		for(int i=0;i<vs.root_nodes.size();i++) {
+			_merge_skeletons(&vs,vs.root_nodes[i]);
+		}
+
+		for(int i=0;i<vs.root_nodes.size();i++) {
+			_optimize_skeletons(&vs,vs.root_nodes[i]);
+		}
+
+		for(int i=0;i<vs.root_nodes.size();i++) {
+
+			List<Node*> mgeom;
+			if (_move_geometry_to_skeletons(&vs,vs.root_nodes[i],&mgeom)) {
+				vs.root_nodes.remove(i);
+				i--;
+			}
+
+			while(!mgeom.empty()) {
+
+				Node * n= mgeom.front()->get();
+				n->parent->children.push_back(n);
+				mgeom.pop_front();
+			}
+
+		}
+		for(int i=0;i<vs.root_nodes.size();i++) {
+			_find_morph_nodes(&vs,vs.root_nodes[i]);
+		}
+
+	}
+}
+
+
+int Collada::get_uv_channel(String p_name) {
+
+	if (!channel_map.has(p_name)) {
+
+		ERR_FAIL_COND_V(channel_map.size()==2,0);
+
+		channel_map[p_name]=channel_map.size();
+	}
+
+	return channel_map[p_name];
+}
+
+Error Collada::load(const String& p_path, int p_flags) {
+
+	Ref<XMLParser> parserr = memnew( XMLParser );
+	XMLParser &parser = *parserr.ptr();
+	Error err = parser.open(p_path);
+	ERR_FAIL_COND_V(err,err);
+
+	state.local_path = Globals::get_singleton()->localize_path(p_path);
+	state.import_flags=p_flags;
+	/* Skip headers */
+	err=OK;
+	while((err=parser.read())==OK) {
+
+		if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
+
+			if (parser.get_node_name() == "COLLADA") {
+				break;
+			} else if (!parser.is_empty())
+				parser.skip_section();// unknown section, likely headers
+		}
+	}
+
+	ERR_FAIL_COND_V(err!=OK, ERR_FILE_CORRUPT);
+
+	/* Start loading Collada */
+
+	{
+		//version
+		String version = parser.get_attribute_value("version");
+		state.version.major=version.get_slice(".",0).to_int();
+		state.version.minor=version.get_slice(".",1).to_int();
+		state.version.rev=version.get_slice(".",2).to_int();
+		COLLADA_PRINT("Collada VERSION: "+version);
+	}
+
+
+
+	while((err=parser.read())==OK) {
+
+		/* Read all the main sections.. */
+
+		if (parser.get_node_type() != XMLParser::NODE_ELEMENT)
+			continue; //no idea what this may be, but skipping anyway
+
+		String section = parser.get_node_name();
+
+		COLLADA_PRINT("section: "+section);
+
+		if (section=="asset") {
+			_parse_asset(parser);
+
+		} else if (section.begins_with("library_")) {
+
+			_parse_library(parser);
+		} else if (section=="scene") {
+
+			_parse_scene(parser);
+		} else if (!parser.is_empty()) {
+			parser.skip_section(); // unknown section, likely headers
+		}
+
+	}
+
+	_optimize();
+	return OK;
+}
+
+
+
+
+Collada::Collada() {
+
+
+}
+
+#endif