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