2762 lines
71 KiB
C++
2762 lines
71 KiB
C++
/*************************************************************************/
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/* collada.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifdef TOOLS_ENABLED
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#include "collada.h"
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#include "stdio.h"
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//#define DEBUG_DEFAULT_ANIMATION
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//#define DEBUG_COLLADA
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#ifdef DEBUG_COLLADA
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#define COLLADA_PRINT(m_what) print_line(m_what)
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#else
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#define COLLADA_PRINT(m_what)
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#endif
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#define COLLADA_IMPORT_SCALE_SCENE
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/* HELPERS */
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String Collada::Effect::get_texture_path(const String& p_source,Collada& state) const {
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String image=p_source;
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ERR_FAIL_COND_V(!state.state.image_map.has(image),"");
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return state.state.image_map[image].path;
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}
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Transform Collada::get_root_transform() const {
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Transform unit_scale_transform;
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#ifndef COLLADA_IMPORT_SCALE_SCENE
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unit_scale_transform.scale(Vector3(state.unit_scale,state.unit_scale,state.unit_scale));
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#endif
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return unit_scale_transform;
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}
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void Collada::Vertex::fix_unit_scale(Collada &state) {
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#ifdef COLLADA_IMPORT_SCALE_SCENE
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vertex*=state.state.unit_scale;
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#endif
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}
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static String _uri_to_id(const String& p_uri) {
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if (p_uri.begins_with("#"))
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return p_uri.substr(1,p_uri.size()-1);
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else
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return p_uri;
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}
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/** HELPER FUNCTIONS **/
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Transform Collada::fix_transform(const Transform& p_transform) {
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Transform tr=p_transform;
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#ifndef NO_UP_AXIS_SWAP
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if (state.up_axis!=Vector3::AXIS_Y) {
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for(int i=0;i<3;i++)
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SWAP(tr.basis[1][i],tr.basis[state.up_axis][i]);
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for(int i=0;i<3;i++)
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SWAP(tr.basis[i][1],tr.basis[i][state.up_axis]);
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SWAP(tr.origin[1],tr.origin[state.up_axis]);
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tr.basis[state.up_axis][0]=-tr.basis[state.up_axis][0];
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tr.basis[state.up_axis][1]=-tr.basis[state.up_axis][1];
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tr.basis[0][state.up_axis]=-tr.basis[0][state.up_axis];
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tr.basis[1][state.up_axis]=-tr.basis[1][state.up_axis];
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tr.origin[state.up_axis]=-tr.origin[state.up_axis];
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}
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#endif
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// tr.scale(Vector3(state.unit_scale.unit_scale.unit_scale));
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return tr;
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//return state.matrix_fix * p_transform;
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}
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static Transform _read_transform_from_array(const Vector<float>& array, int ofs=0) {
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Transform tr;
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// i wonder why collada matrices are transposed, given that's opposed to opengl..
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tr.basis.elements[0][0]=array[0+ofs];
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tr.basis.elements[0][1]=array[1+ofs];
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tr.basis.elements[0][2]=array[2+ofs];
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tr.basis.elements[1][0]=array[4+ofs];
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tr.basis.elements[1][1]=array[5+ofs];
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tr.basis.elements[1][2]=array[6+ofs];
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tr.basis.elements[2][0]=array[8+ofs];
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tr.basis.elements[2][1]=array[9+ofs];
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tr.basis.elements[2][2]=array[10+ofs];
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tr.origin.x=array[3+ofs];
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tr.origin.y=array[7+ofs];
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tr.origin.z=array[11+ofs];
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return tr;
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}
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/* STRUCTURES */
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Transform Collada::Node::compute_transform(Collada &state) const {
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Transform xform;
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for(int i=0;i<xform_list.size();i++) {
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Transform xform_step;
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const XForm& xf = xform_list[i];
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switch(xf.op) {
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case XForm::OP_ROTATE: {
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if (xf.data.size()>=4) {
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xform_step.rotate(Vector3(xf.data[0],xf.data[1],xf.data[2]),-Math::deg2rad(xf.data[3]));
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}
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} break;
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case XForm::OP_SCALE: {
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if (xf.data.size()>=3) {
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xform_step.scale(Vector3(xf.data[0],xf.data[1],xf.data[2]));
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}
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} break;
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case XForm::OP_TRANSLATE: {
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if (xf.data.size()>=3) {
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xform_step.origin=Vector3(xf.data[0],xf.data[1],xf.data[2]);
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}
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} break;
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case XForm::OP_MATRIX: {
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if (xf.data.size()>=16) {
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xform_step = _read_transform_from_array(xf.data,0);
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}
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} break;
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default: {}
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}
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xform = xform * xform_step;
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}
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#ifdef COLLADA_IMPORT_SCALE_SCENE
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xform.origin*=state.state.unit_scale;
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#endif
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return xform;
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}
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Transform Collada::Node::get_transform() const {
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return default_transform;
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}
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Transform Collada::Node::get_global_transform() const {
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if (parent)
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return parent->get_global_transform() * default_transform;
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else
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return default_transform;
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}
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Vector<float> Collada::AnimationTrack::get_value_at_time(float p_time) {
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ERR_FAIL_COND_V(keys.size()==0,Vector<float>());
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int i=0;
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for(i=0;i<keys.size();i++) {
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if (keys[i].time>p_time)
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break;
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}
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if (i==0)
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return keys[0].data;
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if (i==keys.size())
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return keys[keys.size()-1].data;
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switch(keys[i].interp_type) {
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case INTERP_BEZIER: //wait for bezier
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case INTERP_LINEAR: {
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float c = (p_time-keys[i-1].time)/(keys[i].time-keys[i-1].time);
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if (keys[i].data.size()==16) {
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//interpolate a matrix
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Transform src = _read_transform_from_array(keys[i-1].data);
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Transform dst = _read_transform_from_array(keys[i].data);
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Transform interp = c<0.001 ? src : src.interpolate_with(dst,c);
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Vector<float> ret;
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ret.resize(16);
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Transform tr;
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// i wonder why collada matrices are transposed, given that's opposed to opengl..
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ret[0]=interp.basis.elements[0][0];
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ret[1]=interp.basis.elements[0][1];
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ret[2]=interp.basis.elements[0][2];
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ret[4]=interp.basis.elements[1][0];
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ret[5]=interp.basis.elements[1][1];
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ret[6]=interp.basis.elements[1][2];
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ret[8]=interp.basis.elements[2][0];
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ret[9]=interp.basis.elements[2][1];
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ret[10]=interp.basis.elements[2][2];
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ret[3]=interp.origin.x;
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ret[7]=interp.origin.y;
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ret[11]=interp.origin.z;
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ret[12]=0;
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ret[13]=0;
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ret[14]=0;
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ret[15]=1;
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return ret;
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} else {
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Vector<float> dest;
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dest.resize(keys[i].data.size());
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for(int j=0;j<dest.size();j++) {
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dest[j]=keys[i].data[j]*c+keys[i-1].data[j]*(1.0-c);
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}
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return dest;
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//interpolate one by one
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}
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} break;
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}
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ERR_FAIL_V(Vector<float>());
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}
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void Collada::_parse_asset(XMLParser& parser) {
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while(parser.read()==OK) {
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
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String name = parser.get_node_name();
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if (name=="up_axis") {
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parser.read();
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if (parser.get_node_data()=="X_UP")
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state.up_axis=Vector3::AXIS_X;
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if (parser.get_node_data()=="Y_UP")
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state.up_axis=Vector3::AXIS_Y;
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if (parser.get_node_data()=="Z_UP")
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state.up_axis=Vector3::AXIS_Z;
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COLLADA_PRINT("up axis: "+parser.get_node_data());
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} else if (name=="unit") {
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state.unit_scale = parser.get_attribute_value("meter").to_double();
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COLLADA_PRINT("unit scale: "+rtos(state.unit_scale));
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}
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} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="asset")
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break; //end of <asset>
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}
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}
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void Collada::_parse_image(XMLParser& parser) {
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String id=parser.get_attribute_value("id");
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if (!(state.import_flags&IMPORT_FLAG_SCENE)) {
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if (!parser.is_empty())
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parser.skip_section();
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return;
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}
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Image image;
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if (state.version<State::Version(1,4,0)) {
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/* <1.4 */
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String path = parser.get_attribute_value("source").strip_edges();
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if (path.find("://")==-1 && path.is_rel_path()) {
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// path is relative to file being loaded, so convert to a resource path
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image.path=Globals::get_singleton()->localize_path(state.local_path.get_base_dir()+"/"+path.percent_decode());
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}
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} else {
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while(parser.read()==OK) {
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
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String name = parser.get_node_name();
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if (name=="init_from") {
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parser.read();
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String path = parser.get_node_data().strip_edges().percent_decode();
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if (path.find("://")==-1 && path.is_rel_path()) {
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// path is relative to file being loaded, so convert to a resource path
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path=Globals::get_singleton()->localize_path(state.local_path.get_base_dir()+"/"+path);
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} else if (path.find("file:///")==0) {
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path=path.replace_first("file:///","");
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path=Globals::get_singleton()->localize_path(path);
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}
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image.path=path;
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} if (name=="data") {
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ERR_PRINT("COLLADA Embedded image data not supported!");
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} else if (name=="extra" && !parser.is_empty())
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parser.skip_section();
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} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="image")
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break; //end of <asset>
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}
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}
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state.image_map[id]=image;
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}
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void Collada::_parse_material(XMLParser& parser) {
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if (!(state.import_flags&IMPORT_FLAG_SCENE)) {
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if (!parser.is_empty())
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parser.skip_section();
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return;
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}
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Material material;
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String id=parser.get_attribute_value("id");
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if (parser.has_attribute("name"))
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material.name=parser.get_attribute_value("name");
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if (state.version<State::Version(1,4,0)) {
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/* <1.4 */
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ERR_PRINT("Collada Materials < 1.4 are not supported (yet)");
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} else {
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while(parser.read()==OK) {
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT && parser.get_node_name()=="instance_effect") {
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material.instance_effect=_uri_to_id(parser.get_attribute_value("url"));
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} else if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END && parser.get_node_name()=="material")
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break; //end of <asset>
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}
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}
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state.material_map[id]=material;
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}
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//! reads floats from inside of xml element until end of xml element
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Vector<float> Collada::_read_float_array(XMLParser& parser) {
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if (parser.is_empty())
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return Vector<float>();
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Vector<String> splitters;
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splitters.push_back(" ");
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splitters.push_back("\n");
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splitters.push_back("\r");
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splitters.push_back("\t");
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Vector<float> array;
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while(parser.read()==OK) {
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// TODO: check for comments inside the element
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// and ignore them.
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if (parser.get_node_type() == XMLParser::NODE_TEXT) {
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// parse float data
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String str = parser.get_node_data();
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array=str.split_floats_mk(splitters,false);
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//array=str.split_floats(" ",false);
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}
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else
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END)
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break; // end parsing text
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}
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return array;
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}
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Vector<String> Collada::_read_string_array(XMLParser& parser) {
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if (parser.is_empty())
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return Vector<String>();
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Vector<String> array;
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while(parser.read()==OK) {
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// TODO: check for comments inside the element
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// and ignore them.
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if (parser.get_node_type() == XMLParser::NODE_TEXT) {
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// parse String data
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String str = parser.get_node_data();
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array=str.split_spaces();
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//for(int i=0;i<array.size();i++) {
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// print_line(itos(i)+": "+array[i]);
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//}
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}
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else
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END)
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break; // end parsing text
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}
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return array;
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}
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Transform Collada::_read_transform(XMLParser& parser) {
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if (parser.is_empty())
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return Transform();
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Vector<float> array;
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while(parser.read()==OK) {
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// TODO: check for comments inside the element
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// and ignore them.
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if (parser.get_node_type() == XMLParser::NODE_TEXT) {
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// parse float data
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String str = parser.get_node_data();
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array=str.split_floats(" ",false);
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}
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else
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT_END)
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break; // end parsing text
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}
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ERR_FAIL_COND_V(array.size()!=16,Transform());
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return _read_transform_from_array(array);
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}
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Variant Collada::_parse_param(XMLParser& parser) {
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if (parser.is_empty())
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return Variant();
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String from = parser.get_node_name();
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Variant data;
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while(parser.read()==OK) {
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
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if (parser.get_node_name() == "float") {
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parser.read();
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if (parser.get_node_type()==XMLParser::NODE_TEXT) {
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data=parser.get_node_data().to_double();
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}
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} else if (parser.get_node_name() == "float2") {
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Vector<float> v2 = _read_float_array(parser);
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if (v2.size()>=2) {
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data=Vector2(v2[0],v2[1]);
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}
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} else if (parser.get_node_name() == "float3") {
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Vector<float> v3 = _read_float_array(parser);
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if (v3.size()>=3) {
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data=Vector3(v3[0],v3[1],v3[2]);
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}
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} else if (parser.get_node_name() == "float4") {
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Vector<float> v4 = _read_float_array(parser);
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if (v4.size()>=4) {
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data=Color(v4[0],v4[1],v4[2],v4[3]);
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}
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} else if (parser.get_node_name() == "sampler2D") {
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while(parser.read()==OK) {
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if (parser.get_node_type() == XMLParser::NODE_ELEMENT) {
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if (parser.get_node_name()=="source") {
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parser.read();
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if (parser.get_node_type() == XMLParser::NODE_TEXT) {
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|
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;
|
|
if (parser.has_attribute("name"))
|
|
effect.name=parser.get_attribute_value("name");
|
|
_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];
|
|
|
|
print_line("morph source: "+parser.get_attribute_value("source")+" id: "+p_id);
|
|
morphdata.mesh=_uri_to_id(parser.get_attribute_value("source"));
|
|
print_line("morph source2: "+morphdata.mesh);
|
|
morphdata.mode=parser.get_attribute_value("method");
|
|
printf("JJmorph: %p\n",&morphdata);
|
|
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..
|
|
|
|
if (joint->sid!="") {
|
|
state.sid_to_node_map[joint->sid]=id;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
print_line("TARGET: "+track.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");
|
|
else if (parser.has_attribute("id"))
|
|
clip.name=parser.get_attribute_value("id");
|
|
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"));
|
|
print_line("***ROOT VISUAL SCENE: "+state.root_visual_scene);
|
|
} 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,NodeSkeleton *p_skeleton) {
|
|
|
|
|
|
Node *node = *p_node;
|
|
|
|
if (node->type==Node::TYPE_JOINT) {
|
|
|
|
if (!p_skeleton) {
|
|
|
|
// 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;
|
|
p_skeleton=sk;
|
|
}
|
|
|
|
NodeJoint *nj = static_cast<NodeJoint*>(node);
|
|
nj->owner=p_skeleton;
|
|
} else {
|
|
p_skeleton=NULL;
|
|
}
|
|
|
|
|
|
for(int i=0;i<node->children.size();i++) {
|
|
_create_skeletons(&node->children[i],p_skeleton);
|
|
}
|
|
|
|
}
|
|
|
|
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]);
|
|
if (!nj->owner) {
|
|
print_line("no owner for: "+String(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]);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
void Collada::_merge_skeletons2(VisualScene *p_vscene) {
|
|
|
|
for (Map<String,SkinControllerData>::Element *E=state.skin_controller_data_map.front();E;E=E->next()) {
|
|
|
|
SkinControllerData &cd=E->get();
|
|
|
|
NodeSkeleton *skeleton=NULL;
|
|
|
|
for (Map<String,Transform>::Element *F=cd.bone_rest_map.front();F;F=F->next()) {
|
|
|
|
String name;
|
|
|
|
if (!state.sid_to_node_map.has(F->key())) {
|
|
continue;
|
|
}
|
|
|
|
name = state.sid_to_node_map[F->key()];
|
|
|
|
if (!state.scene_map.has(name)) {
|
|
print_line("no foundie node for: "+name);
|
|
}
|
|
|
|
ERR_CONTINUE( !state.scene_map.has(name) );
|
|
|
|
Node *node=state.scene_map[name];
|
|
ERR_CONTINUE( node->type!=Node::TYPE_JOINT );
|
|
if (node->type!=Node::TYPE_JOINT)
|
|
continue;
|
|
NodeSkeleton *sk=NULL;
|
|
|
|
while(node && !sk) {
|
|
|
|
if (node->type==Node::TYPE_SKELETON) {
|
|
sk=static_cast<NodeSkeleton*>(node);
|
|
}
|
|
node=node->parent;
|
|
}
|
|
ERR_CONTINUE( !sk );
|
|
|
|
if (!sk)
|
|
continue; //bleh
|
|
|
|
if (!skeleton) {
|
|
skeleton=sk;
|
|
continue;
|
|
}
|
|
|
|
if (skeleton!=sk) {
|
|
//whoa.. wtf, merge.
|
|
print_line("MERGED BONES!!");
|
|
|
|
//NodeSkeleton *merged = E->get();
|
|
_remove_node(p_vscene,sk);
|
|
for(int i=0;i<sk->children.size();i++) {
|
|
|
|
_joint_set_owner(sk->children[i],skeleton);
|
|
skeleton->children.push_back( sk->children[i] );
|
|
sk->children[i]->parent=skeleton;
|
|
|
|
|
|
}
|
|
|
|
sk->children.clear(); //take children from it
|
|
memdelete( sk );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
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);
|
|
if (!nj->owner) {
|
|
print_line("Has no owner: "+nj->name);
|
|
}
|
|
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]);
|
|
|
|
}
|
|
#if 1
|
|
for(int i=0;i<vs.root_nodes.size();i++) {
|
|
_merge_skeletons(&vs,vs.root_nodes[i]);
|
|
}
|
|
|
|
_merge_skeletons2(&vs);
|
|
|
|
|
|
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();
|
|
}
|
|
|
|
}
|
|
#endif
|
|
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
|