360 lines
9.4 KiB
C++
360 lines
9.4 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/collada/collada_internal.cpp
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* \ingroup collada
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*/
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/* COLLADABU_ASSERT, may be able to remove later */
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#include "COLLADABUPlatform.h"
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#include "collada_utils.h"
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#include "BLI_linklist.h"
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UnitConverter::UnitConverter() : unit(), up_axis(COLLADAFW::FileInfo::Z_UP)
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{
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axis_angle_to_mat4_single(x_up_mat4, 'Y', -0.5 * M_PI);
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axis_angle_to_mat4_single(y_up_mat4, 'X', 0.5 * M_PI);
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unit_m4(z_up_mat4);
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unit_m4(scale_mat4);
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}
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void UnitConverter::read_asset(const COLLADAFW::FileInfo *asset)
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{
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unit = asset->getUnit();
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up_axis = asset->getUpAxisType();
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}
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UnitConverter::UnitSystem UnitConverter::isMetricSystem()
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{
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switch (unit.getLinearUnitUnit()) {
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case COLLADAFW::FileInfo::Unit::MILLIMETER:
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case COLLADAFW::FileInfo::Unit::CENTIMETER:
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case COLLADAFW::FileInfo::Unit::DECIMETER:
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case COLLADAFW::FileInfo::Unit::METER:
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case COLLADAFW::FileInfo::Unit::KILOMETER:
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return UnitConverter::Metric;
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case COLLADAFW::FileInfo::Unit::INCH:
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case COLLADAFW::FileInfo::Unit::FOOT:
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case COLLADAFW::FileInfo::Unit::YARD:
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return UnitConverter::Imperial;
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default:
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return UnitConverter::None;
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}
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}
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float UnitConverter::getLinearMeter()
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{
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return (float)unit.getLinearUnitMeter();
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}
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void UnitConverter::convertVector3(COLLADABU::Math::Vector3 &vec, float *v)
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{
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v[0] = vec.x;
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v[1] = vec.y;
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v[2] = vec.z;
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}
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// TODO need also for angle conversion, time conversion...
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void UnitConverter::dae_matrix_to_mat4_(float out[4][4], const COLLADABU::Math::Matrix4& in)
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{
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// in DAE, matrices use columns vectors, (see comments in COLLADABUMathMatrix4.h)
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// so here, to make a blender matrix, we swap columns and rows
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for (int i = 0; i < 4; i++) {
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for (int j = 0; j < 4; j++) {
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out[i][j] = in[j][i];
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}
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}
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}
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void UnitConverter::mat4_to_dae(float out[4][4], float in[4][4])
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{
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transpose_m4_m4(out, in);
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}
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void UnitConverter::mat4_to_dae_double(double out[4][4], float in[4][4])
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{
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float mat[4][4];
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mat4_to_dae(mat, in);
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for (int i = 0; i < 4; i++)
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for (int j = 0; j < 4; j++)
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out[i][j] = mat[i][j];
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}
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float(&UnitConverter::get_rotation())[4][4]
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{
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switch (up_axis) {
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case COLLADAFW::FileInfo::X_UP:
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return x_up_mat4;
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break;
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case COLLADAFW::FileInfo::Y_UP:
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return y_up_mat4;
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break;
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default:
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return z_up_mat4;
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break;
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}
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}
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float(&UnitConverter::get_scale())[4][4]
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{
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return scale_mat4;
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}
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void UnitConverter::calculate_scale(Scene &sce)
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{
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PointerRNA scene_ptr, unit_settings;
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PropertyRNA *system_ptr, *scale_ptr;
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RNA_id_pointer_create(&sce.id, &scene_ptr);
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unit_settings = RNA_pointer_get(&scene_ptr, "unit_settings");
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system_ptr = RNA_struct_find_property(&unit_settings, "system");
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scale_ptr = RNA_struct_find_property(&unit_settings, "scale_length");
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int type = RNA_property_enum_get(&unit_settings, system_ptr);
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float bl_scale;
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switch (type) {
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case USER_UNIT_NONE:
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bl_scale = 1.0; // map 1 Blender unit to 1 Meter
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break;
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case USER_UNIT_METRIC:
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bl_scale = RNA_property_float_get(&unit_settings, scale_ptr);
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break;
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default :
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bl_scale = RNA_property_float_get(&unit_settings, scale_ptr);
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// it looks like the conversion to Imperial is done implicitly.
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// So nothing to do here.
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break;
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}
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float rescale[3];
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rescale[0] = rescale[1] = rescale[2] = getLinearMeter() / bl_scale;
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size_to_mat4(scale_mat4, rescale);
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}
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/**
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* Translation map.
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* Used to translate every COLLADA id to a valid id, no matter what "wrong" letters may be
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* included. Look at the IDREF XSD declaration for more.
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* Follows strictly the COLLADA XSD declaration which explicitly allows non-english chars,
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* like special chars (e.g. micro sign), umlauts and so on.
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* The COLLADA spec also allows additional chars for member access ('.'), these
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* must obviously be removed too, otherwise they would be heavily misinterpreted.
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*/
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const unsigned char translate_start_name_map[256] = {
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 65, 66, 67, 68, 69, 70, 71,
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72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87,
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88, 89, 90, 95, 95, 95, 95, 95,
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95, 97, 98, 99, 100, 101, 102, 103,
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104, 105, 106, 107, 108, 109, 110, 111,
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112, 113, 114, 115, 116, 117, 118, 119,
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120, 121, 122, 95, 95, 95, 95, 95,
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128, 129, 130, 131, 132, 133, 134, 135,
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136, 137, 138, 139, 140, 141, 142, 143,
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144, 145, 146, 147, 148, 149, 150, 151,
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152, 153, 154, 155, 156, 157, 158, 159,
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160, 161, 162, 163, 164, 165, 166, 167,
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168, 169, 170, 171, 172, 173, 174, 175,
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176, 177, 178, 179, 180, 181, 182, 183,
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184, 185, 186, 187, 188, 189, 190, 191,
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192, 193, 194, 195, 196, 197, 198, 199,
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200, 201, 202, 203, 204, 205, 206, 207,
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208, 209, 210, 211, 212, 213, 214, 215,
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216, 217, 218, 219, 220, 221, 222, 223,
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224, 225, 226, 227, 228, 229, 230, 231,
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232, 233, 234, 235, 236, 237, 238, 239,
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240, 241, 242, 243, 244, 245, 246, 247,
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248, 249, 250, 251, 252, 253, 254, 255
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};
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const unsigned char translate_name_map[256] = {
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 45, 95, 95,
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48, 49, 50, 51, 52, 53, 54, 55,
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56, 57, 95, 95, 95, 95, 95, 95,
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95, 65, 66, 67, 68, 69, 70, 71,
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72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87,
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88, 89, 90, 95, 95, 95, 95, 95,
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95, 97, 98, 99, 100, 101, 102, 103,
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104, 105, 106, 107, 108, 109, 110, 111,
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112, 113, 114, 115, 116, 117, 118, 119,
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120, 121, 122, 95, 95, 95, 95, 95,
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128, 129, 130, 131, 132, 133, 134, 135,
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136, 137, 138, 139, 140, 141, 142, 143,
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144, 145, 146, 147, 148, 149, 150, 151,
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152, 153, 154, 155, 156, 157, 158, 159,
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160, 161, 162, 163, 164, 165, 166, 167,
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168, 169, 170, 171, 172, 173, 174, 175,
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176, 177, 178, 179, 180, 181, 182, 183,
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184, 185, 186, 187, 188, 189, 190, 191,
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192, 193, 194, 195, 196, 197, 198, 199,
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200, 201, 202, 203, 204, 205, 206, 207,
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208, 209, 210, 211, 212, 213, 214, 215,
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216, 217, 218, 219, 220, 221, 222, 223,
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224, 225, 226, 227, 228, 229, 230, 231,
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232, 233, 234, 235, 236, 237, 238, 239,
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240, 241, 242, 243, 244, 245, 246, 247,
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248, 249, 250, 251, 252, 253, 254, 255
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};
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typedef std::map< std::string, std::vector<std::string> > map_string_list;
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map_string_list global_id_map;
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void clear_global_id_map()
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{
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global_id_map.clear();
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}
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/** Look at documentation of translate_map */
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std::string translate_id(const char *idString)
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{
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std::string id = std::string(idString);
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return translate_id(id);
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}
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std::string translate_id(const std::string &id)
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{
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if (id.size() == 0) {
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return id;
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}
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std::string id_translated = id;
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id_translated[0] = translate_start_name_map[(unsigned int)id_translated[0]];
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for (unsigned int i = 1; i < id_translated.size(); i++) {
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id_translated[i] = translate_name_map[(unsigned int)id_translated[i]];
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}
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// It's so much workload now, the if () should speed up things.
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if (id_translated != id) {
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// Search duplicates
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map_string_list::iterator iter = global_id_map.find(id_translated);
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if (iter != global_id_map.end()) {
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unsigned int i = 0;
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bool found = false;
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for (i = 0; i < iter->second.size(); i++) {
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if (id == iter->second[i]) {
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found = true;
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break;
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}
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}
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bool convert = false;
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if (found) {
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if (i > 0) {
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convert = true;
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}
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}
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else {
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convert = true;
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global_id_map[id_translated].push_back(id);
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}
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if (convert) {
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std::stringstream out;
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out << ++i;
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id_translated += out.str();
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}
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}
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else { global_id_map[id_translated].push_back(id); }
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}
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return id_translated;
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}
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std::string id_name(void *id)
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{
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return ((ID *)id)->name + 2;
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}
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std::string get_geometry_id(Object *ob)
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{
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return translate_id(id_name(ob->data)) + "-mesh";
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}
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std::string get_geometry_id(Object *ob, bool use_instantiation)
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{
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std::string geom_name = (use_instantiation) ? id_name(ob->data) : id_name(ob);
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return translate_id(geom_name) + "-mesh";
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}
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std::string get_light_id(Object *ob)
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{
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return translate_id(id_name(ob)) + "-light";
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}
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std::string get_joint_id(Object *ob, Bone *bone)
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{
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return translate_id(id_name(ob) + "_" + bone->name);
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}
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std::string get_joint_sid(Bone *bone)
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{
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return translate_id(bone->name);
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}
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std::string get_camera_id(Object *ob)
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{
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return translate_id(id_name(ob)) + "-camera";
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}
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std::string get_material_id(Material *mat)
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{
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std::string id = id_name(mat);
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return get_material_id_from_id(id);
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}
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std::string get_material_id_from_id(std::string id)
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{
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return translate_id(id) + "-material";
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}
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std::string get_morph_id(Object *ob)
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{
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return translate_id(id_name(ob)) + "-morph";
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}
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