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main-arap.cpp
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main-arap.cpp
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/*****************************************************************************************
* MIT License *
* *
* Copyright (c) 2022 G. Cherchi, F. Pellacini, M. Attene and M. Livesu *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION *
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE *
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Authors: *
* Gianmarco Cherchi ([email protected]) *
* https://www.gianmarcocherchi.com *
* *
* Fabio Pellacini ([email protected]) *
* https://pellacini.di.uniroma1.it *
* *
* Marco Attene ([email protected]) *
* https://www.cnr.it/en/people/marco.attene/ *
* *
* Marco Livesu ([email protected]) *
* http://pers.ge.imati.cnr.it/livesu/ *
* *
* ***************************************************************************************/
#include <cinolib/gl/glcanvas.h>
#include <cinolib/drawable_triangle_soup.h>
#include <cinolib/meshes/drawable_trimesh.h>
#include <cinolib/ARAP.h>
#include <thread>
#include "booleans.h"
std::vector<uint> handles;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
uint define_handle(const cinolib::Trimesh<> & m1, const cinolib::Trimesh<> & m2, const cinolib::vec3d & click_3d)
{
uint v0 = m1.pick_vert(click_3d);
uint v1 = m2.pick_vert(click_3d);
if(click_3d.dist_sqrd(m1.vert(v0)) < click_3d.dist_sqrd(m2.vert(v1))) return v0;
return m1.num_verts()+v1;
}
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
uint pick_handle(const std::vector<cinolib::vec3d> & m1, const std::vector<cinolib::vec3d> & m2, const cinolib::vec3d & click_3d)
{
return *std::min_element(handles.begin(),
handles.end(),
[&](const uint a, const uint b)
{
cinolib::vec3d pa = (a<m1.size()) ? m1[a] : m2[a-m1.size()];
cinolib::vec3d pb = (b<m1.size()) ? m1[b] : m2[b-m1.size()];
return click_3d.dist(pa) < click_3d.dist(pb);
});
}
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
void update_input_coords(std::vector<double> & in_coords, std::vector<cinolib::vec3d> & m, const int offset)
{
int count = offset;
for(uint i = 0; i < m.size(); ++i)
{
in_coords[count++] = m[i][0];
in_coords[count++] = m[i][1];
in_coords[count++] = m[i][2];
}
}
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
void update_handle_helpers(cinolib::GLcanvas & gui,
cinolib::DrawableTrimesh<> & m1,
cinolib::DrawableTrimesh<> & m2)
{
gui.pop_all_markers();
for(uint vid : handles)
{
if(vid<m1.num_verts())
gui.push_marker(m1.vert(vid), "", cinolib::Color::PASTEL_ORANGE(), 5);
else
gui.push_marker(m2.vert(vid-m1.num_verts()), "", cinolib::Color::PASTEL_CYAN(), 5);
}
}
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
int main(int argc, char **argv)
{
BoolOp op = UNION;
std::vector<std::string> files = {"../data/armadillo.obj", "../data/armadillo.obj"};
std::vector<double> in_coords;
std::vector<uint> in_tris;
std::vector<uint> in_labels;
loadMultipleFiles(files, in_coords, in_tris, in_labels);
cinolib::DrawableTrimesh<> m1(files.begin()->c_str());
cinolib::DrawableTrimesh<> m2 = m1;
m2.translate(cinolib::vec3d(m1.bbox().delta_y()*0.8,0,0));
m2.update_bbox();
m2.updateGL();
std::cout << "Commands:" << std::endl;
std::cout << "- press shift + left click to add handles" << std::endl;
std::cout << "- press I for Intersection" << std::endl;
std::cout << "- press U for Union" << std::endl;
std::cout << "- press S for Subtraction" << std::endl;
std::cout << "- press Space for the ARAP factorization" << std::endl;
std::cout << "- press shift + left click to drag handles" << std::endl;
// ARAP pipeline
bool mode_init = true;
cinolib::ARAP_data arap_m1;
cinolib::ARAP_data arap_m2;
update_input_coords(in_coords,m1.vector_verts(),0);
update_input_coords(in_coords,m2.vector_verts(), m1.num_verts() * 3);
std::vector<double> bool_coords;
std::vector<uint> bool_tris;
std::vector<std::bitset<NBIT>> bool_labels;
booleanPipeline(in_coords, in_tris, in_labels, op, bool_coords, bool_tris, bool_labels);
const cinolib::Color & c0 = cinolib::Color::PASTEL_ORANGE();
const cinolib::Color & c1 = cinolib::Color::PASTEL_CYAN();
uint n_tri = bool_tris.size()/3;
std::vector<cinolib::Color> tri_colors(n_tri, c0);
for(uint id=0; id<n_tri; ++id)
if(bool_labels[id][1])
tri_colors[id] = c1;
cinolib::DrawableTriangleSoup soup(bool_coords, bool_tris, tri_colors);
cinolib::GLcanvas gui;
gui.push(&soup);
gui.depth_cull_markers = false;
update_handle_helpers(gui,m1,m2);
uint curr_handle = 0;//*handles.begin();
GLdouble zbuf = 0;
gui.callback_mouse_left_click = [&](int mod) -> bool
{
cinolib::vec3d click_3d;
cinolib::vec2d click_2d = gui.cursor_pos();
if(mod & GLFW_MOD_SHIFT)
{
if(gui.unproject(click_2d, click_3d))
{
if(mode_init)
{
handles.push_back(define_handle(m1,m2, click_3d));
update_handle_helpers(gui,m1,m2);
if(handles.back()<m1.num_verts()) arap_m1.bcs[handles.back()] = m1.vert(handles.back());
else arap_m2.bcs[handles.back()-m1.num_verts()] = m2.vert(handles.back()-m1.num_verts());
}
else
{
curr_handle = pick_handle(arap_m1.xyz_out, arap_m2.xyz_out, click_3d);
zbuf = gui.query_Z_buffer(click_2d);
}
}
return true;
}
return false;
};
/* FPS should count draw calls, not booleans completed!
*/
std::atomic<int> count = 0;
gui.callback_mouse_moved = [&](double x_pos, double y_pos) -> bool
{
if(mode_init) return false;
bool left = glfwGetMouseButton(gui.window,GLFW_MOUSE_BUTTON_LEFT)==GLFW_PRESS;
bool shift = glfwGetKey(gui.window,GLFW_KEY_LEFT_SHIFT )==GLFW_PRESS ||
glfwGetKey(gui.window,GLFW_KEY_RIGHT_SHIFT)==GLFW_PRESS;
if(left && shift)
{
// link the proper mesh depending on the current handle
bool is_m1 = curr_handle < m1.num_verts();
auto *m_ptr = (is_m1) ? &m1 : & m2;
auto *data_ptr = (is_m1) ? &arap_m1 : &arap_m2;
int handle = (is_m1) ? curr_handle : curr_handle-m1.num_verts();
cinolib::vec3d p;
gui.unproject(cinolib::vec2d(x_pos,y_pos),zbuf, p);
cinolib::vec3d delta = p - m_ptr->vert(handle);
data_ptr->bcs[handle] += delta;
ARAP(*m_ptr,*data_ptr);
//
bool_coords.clear();
bool_tris.clear();
if(is_m1) update_input_coords(in_coords,arap_m1.xyz_out,0);
else update_input_coords(in_coords,arap_m2.xyz_out,m1.num_verts()*3);
booleanPipeline(in_coords, in_tris, in_labels, op, bool_coords, bool_tris, bool_labels);
count++;
n_tri = bool_tris.size()/3;
tri_colors.resize(n_tri, c0);
for(uint id=0; id<n_tri; ++id)
tri_colors[id] = (bool_labels[id][0]) ? c0 : c1;
soup = cinolib::DrawableTriangleSoup(bool_coords, bool_tris, tri_colors);
update_handle_helpers(gui,m1,m2);
gui.draw();
return true;
}
return false;
};
gui.callback_key_pressed = [&](int key, int mod) -> bool
{
if(key==GLFW_KEY_I) op = INTERSECTION; else
if(key==GLFW_KEY_U) op = UNION; else
if(key==GLFW_KEY_S) op = SUBTRACTION; else
if(key==GLFW_KEY_SPACE)
{
mode_init = false;
ARAP(m1,arap_m1);
ARAP(m2,arap_m2);
std::cout << "ARAP has been initialized. Interactive Session Starts" << std::endl;
}
else if(key==GLFW_KEY_W)
{
std::vector<cinolib::Color> colors(bool_tris.size()/3);
for(uint i=0; i<colors.size(); ++i)
{
colors[i] = (bool_labels[i][0]) ? cinolib::Color::PASTEL_YELLOW() : cinolib::Color::PASTEL_ORANGE();
}
}
else return false;
bool_coords.clear();
bool_tris.clear();
booleanPipeline(in_coords, in_tris, in_labels, op, bool_coords, bool_tris, bool_labels);
n_tri = bool_tris.size()/3;
tri_colors.resize(n_tri, c0);
for(uint id=0; id<n_tri; ++id)
tri_colors[id] = (bool_labels[id][0]) ? c0 : c1;
soup = cinolib::DrawableTriangleSoup(bool_coords, bool_tris, tri_colors);
return true;
};
std::promise<void> fps_exit_signal;
std::thread fps_thread([&]()
{
std::future<void> exit_condition = fps_exit_signal.get_future();
while(exit_condition.wait_for(std::chrono::milliseconds(1000)) == std::future_status::timeout)
{
count = 0;
}
});
return gui.launch();
}