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// - left mouse down + mouse motion : rotate
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// - left mouse down + mouse motion : rotate
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// - Scroll button and +- buttons   : zoom
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// - Scroll button and +- buttons   : zoom
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// - right mouse click              : centre trackball
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// - right mouse click              : centre trackball
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// - esc                            : exits
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// - esc                            : exits
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// - x,y,z buttons                  : switch trackball up axis
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// - x,y,z buttons                  : switch trackball up axis
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// - w                              : toggle wireframe on/off
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// - t                              : toggle texture on/off
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// - f                              : switch between vertex and face normals
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// ----------------------------------------
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// ----------------------------------------
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#if (_MSC_VER >= 1200)
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#if (_MSC_VER >= 1200)
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#pragma warning (disable: 4786)
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#pragma warning (disable: 4786)
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#endif
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#endif
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#endif
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#endif
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#include <string.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <iostream>
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#include <iostream>
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#include <vector>
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#include <Util/ArgExtracter.h>
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#include <Util/ArgExtracter.h>
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#include <CGLA/Vec2i.h>
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#include <CGLA/Vec2i.h>
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#include <CGLA/Vec2f.h>
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#include <CGLA/Vec2f.h>
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#include <CGLA/Vec3f.h>
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#include <CGLA/Vec3f.h>
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QuatTrackBall* ball;
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QuatTrackBall* ball;
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int spin_timer = 20;
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int spin_timer = 20;
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void spin(int x);
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void spin(int x);
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int main_window;
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int main_window;
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TriMesh mesh;
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TriMesh mesh;
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bool do_textures = true;
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vector<bool> has_texture;
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void enable_textures(TriMesh& tm)
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void enable_textures(TriMesh& tm)
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{
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{
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	for(unsigned int i=0;i<has_texture.size(); ++i)
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		tm.materials[i].has_texture = has_texture[i];
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}
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void disable_textures(TriMesh& tm)
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{
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	for(unsigned int i=0;i<has_texture.size(); ++i)
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		tm.materials[i].has_texture = false;
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}
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void load_textures(TriMesh& tm)
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{
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  has_texture.resize(tm.materials.size());
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	for(unsigned int i=0;i<tm.materials.size(); ++i)
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	for(unsigned int i=0;i<tm.materials.size(); ++i)
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	{
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	{
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		Material& mat = tm.materials[i];
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		Material& mat = tm.materials[i];
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		if(mat.tex_name != "")
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		if(mat.tex_name != "")
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		{
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		{
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			string name = mat.tex_path + mat.tex_name;
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			string name = mat.tex_path + mat.tex_name;
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			mat.tex_id = SOIL_load_OGL_texture(name.data(), 0, 0, SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_INVERT_Y | SOIL_FLAG_POWER_OF_TWO);
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			mat.tex_id = SOIL_load_OGL_texture(name.data(), 0, 0, SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_INVERT_Y | SOIL_FLAG_POWER_OF_TWO);
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      if(mat.tex_id)
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        has_texture[i] = true;
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		}
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		}
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	}
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	}
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}
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}
77 
 
 98 
 
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void load_mesh(const string& fn)
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void load_mesh(const string& fn)
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	else
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	else
114 
	{
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	{
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		cout << "Either the format was unrecognized or the file did not have the appropriate extension" << endl;
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		cout << "Either the format was unrecognized or the file did not have the appropriate extension" << endl;
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		exit(0);
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		exit(0);
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	}
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	}
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	enable_textures(mesh);
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  load_textures(mesh);
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140 
  if(!do_textures)
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    disable_textures(mesh);
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}
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}
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 143 
 
122 
bool depth_pick(int x, int y,Vec3f& wp)
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bool depth_pick(int x, int y,Vec3f& wp)
123 
{
 145 
{
124 
	// Enquire about the viewport dimensions
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	// Enquire about the viewport dimensions
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    switch(key)
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    switch(key)
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    {
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    {
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		case '\033': exit(0); break;
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		case '\033': exit(0); break;
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		case 'w': do_wireframe = !do_wireframe; break;
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		case 'w': do_wireframe = !do_wireframe; break;
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		case 'f': per_vertex_normals = !per_vertex_normals; redo_display_list = true; break;
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		case 'f': per_vertex_normals = !per_vertex_normals; redo_display_list = true; break;
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 269 
    case 't':
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 270 
        do_textures = !do_textures;
- 
 
 271 
        if(do_textures)
- 
 
 272 
          enable_textures(mesh);
- 
 
 273 
        else
- 
 
 274 
          disable_textures(mesh);
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 275 
        redo_display_list = true;
- 
 
 276 
        break;
247 
    }
 277 
    }
248 
}
 278 
}
249 
 
 279 
 
250 
 
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251 
int main(int argc, char** argv)
 280 
int main(int argc, char** argv)
252 
{
 281 
{
253 
	Util::ArgExtracter ae(argc, argv);
 282 
	Util::ArgExtracter ae(argc, argv);
254
283
255 
	bool redo_normals = ae.extract("-n");
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	bool redo_normals = ae.extract("-n");