void generateObjectBufferTeapot () {
const char * file_name = "../Shaders/grass.png";
unsigned int tex = 0;
unsigned int vp_vbo = 0, vt_vbo = 0;
unsigned int tex_id;
GLuint vn_vbo = 0;
unsigned int vp_vbo2 = 0, vt_vbo2 = 0;
GLuint vn_vbo2 = 0;
unsigned int vp_vbo3 = 0, vt_vbo3 = 0;
GLuint vn_vbo3 = 0;
float * points = NULL, * normals = NULL, * textures = NULL;
// load_obj_file(MESH_NAME, points, textures, normals, g_point_count1);
// loading_meshes(g_vp, g_vn, vaos[0], g_point_count1, vp_vbo, vn_vbo, vt_vbo);
g_vp.clear(); g_vn.clear(); g_vt.clear();
// plane
load_mesh(WORLD, g_point_count2);
// load_image_to_texture(file_name, tex, true);
float texcoords[] = { 0.0f,1.0f,0.0f,0.0f,1.0f,0.0f,1.0,0.0,1.0,1.0,0.0,1.0 };
loading_meshes(g_vp, g_vn, vaos[1], g_point_count2, vp_vbo2, vn_vbo2, vt_vbo2, true, tex = 1, "../Shaders/grass.bmp");
g_vp.clear(); g_vn.clear();
// spiral
load_mesh(OBJECT, g_point_count3);
loading_meshes(g_vp, g_vn, vaos[2], g_point_count3, vp_vbo3, vn_vbo3, vt_vbo3, true, tex = 1, "../Shaders/grass.bmp");
e_init(&zombie, vec3(0.0,0.0, 10.0), collisionsphere(vec3(0.0,0.0, 10.0), 2), vec3(0,0,0), getPosition());
g_vp.clear(); g_vn.clear();
// drawSkybox(g_vp, g_point_count1, vaos[0]);
}
static int load_object(scene_t *scene,FILE *file,char *path,int texture_mode) {
char buffer[128],name[256];
fscanf(file,"%s",buffer);
while(fscanf(file,"%s",buffer) != EOF) {
if(buffer[0] == '#') skeep_comment(file);
else if(!strcmp(buffer,"mesh")) {
load_name(file,path,name);
scene->mesh = load_mesh(name,path,&scene->num_mesh,texture_mode);
if(!scene->mesh) return 0;
} else if(!strcmp(buffer,"thing")) {
load_name(file,path,name);
scene->thing = load_thing(name,scene->mesh,scene->num_mesh,&scene->num_thing);
if(!scene->thing) return 0;
} else if(!strcmp(buffer,"animation")) {
load_name(file,path,name);
scene->animation = load_animation(name,path,scene->mesh,scene->num_mesh,&scene->num_animation);
if(!scene->animation) return 0;
} else if(!strcmp(buffer,"particle")) {
load_name(file,path,name);
scene->particle = load_particle(name,path,&scene->num_particle,texture_mode);
if(!scene->particle) return 0;
} else if(!strcmp(buffer,"dynamiclight")) {
load_name(file,path,name);
scene->dynamiclight = load_dynamiclight(name,path,&scene->num_dynamiclight,texture_mode);
if(!scene->dynamiclight) return 0;
} else if(!strcmp(buffer,"}")) break;
else return 0;
}
return 1;
}
static int ffi_new_mesh(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
struct mesh *mesh = load_mesh(name);
if (!mesh)
return luaL_error(L, "cannot load mesh: %s", name);
lua_pushlightuserdata(L, mesh);
return 1;
}
void CDomain::signal_load_mesh ( Common::SignalArgs& node )
{
SignalOptions options( node );
URI fileuri = options.value<URI>("file");
std::string name ("mesh");
if( options.check("name") )
name = options.value<std::string>("name");
load_mesh( fileuri, name);
}
Mesh(std::string filename) :
pos(0.1f, -1.0f, -1.5f),
scale(10.0f),
ambient(1.0f),
diffuse(1.0f),
specular(0.0f),
specPower(0.0f),
Immediate(true),
render(&Mesh::RenderImmediate)
{
load_mesh(filename);
}
void Domain::signal_load_mesh ( common::SignalArgs& node )
{
SignalOptions options( node );
URI fileuri = options.value<URI>("file");
std::string name ("mesh");
if( options.check("name") )
name = options.value<std::string>("name");
Mesh& created_component = load_mesh( fileuri, name);
SignalFrame reply = node.create_reply(uri());
SignalOptions reply_options(reply);
reply_options.add("created_component", created_component.uri());
}
rdr_t* setup_render_data(void)
{
// vertex* vertices;
// obj_t* render_object;
rdr_t* render_data;
obj_t* square;
render_data = (rdr_t*)calloc(1, sizeof(rdr_t));
render_data->objects = (obj_t**)calloc(1, sizeof(obj_t*));
render_data->asociation = (short*)calloc(1, sizeof(short));
square = load_mesh("square.txt");
render_data->objects[0] = setup_object(square);
render_data->asociation[0] = 0;
render_data->draw_calls = 1;
return render_data;
}
/**
* FbxNode からメッシュ情報を再帰的に読み込む
*
* @param node FbxNode
*/
void FbxFileLoader::load_mesh_recursive( FbxNode* node )
{
load_mesh( node->GetMesh() );
// std::cout << "material count : " << node->GetMaterialCount() << std::endl;
for ( int n = 0; n < node->GetMaterialCount(); n++ )
{
fbx_material_index_ = n;
load_material( node->GetMaterial( n ) );
}
for ( int n = 0; n < node->GetChildCount(); n++ )
{
load_mesh_recursive( node->GetChild( n ) );
}
}
int main()
{
// decomp
plugin_ldpath(".");
void *pl = plugin_load("libdecomp.so");
if (!pl)
{
printf("missing plugin\n");
return 1;
}
decomp3f_init_f pl_init = (decomp3f_init_f)plugin_fn(pl, DECOMP3F_INIT_F_SYM);
decomp3f_make_f pl_make = (decomp3f_make_f)plugin_fn(pl, DECOMP3F_MAKE_F_SYM);
decomp3f_clear_f pl_clear = (decomp3f_clear_f)plugin_fn(pl, DECOMP3F_CLEAR_F_SYM);
struct decomp3f_s d;
struct decompmesh3f_s dm;
load_mesh(&dm, "../data/mushroom.off");
pl_init(&d);
uint64_t start = timer_usec();
pl_make(&d, &dm);
uint64_t end = timer_usec();
printf("decomposition took %lu usecs; sub-meshes: %d\n", static_cast<unsigned long>(end - start), static_cast<int>(d.ms));
pl_clear(&d);
plugin_unload(pl);
free(dm.f);
free(dm.v);
return 0;
}
void MeshCache::get_mesh(const String &name,
AbstractMeshSharedPtr &mesh, StringVector &materials)
{
MeshCache::MeshCacheItem tmp;
MeshCacheMap::const_iterator found;
found = m_mesh_cache.find(name);
if (found == m_mesh_cache.end())
{
load_mesh(name, tmp.m_mesh, tmp.m_materials);
m_mesh_cache[name] = tmp;
mesh = tmp.m_mesh;
materials = tmp.m_materials;
}
else
{
mesh = found->second.m_mesh;
materials = found->second.m_materials;
}
}
int main(int argc, char* argv[])
{
// Load mesh.
load_mesh(mesh, "domain.xml", INIT_REF_NUM);
// Create an H1 space with default shapeset.
SpaceSharedPtr<double> space(new H1Space<double>(mesh, &essential_bcs, P_INIT));
solver.set_weak_formulation(&weak_formulation);
solver.set_space(space);
#pragma region Time stepping loop.
/*
solver.set_time_step(time_step_length);
do
{
std::cout << "Time step: " << time_step_number << std::endl;
#pragma region Spatial adaptivity loop.
adaptivity.set_space(space);
int adaptivity_step = 1;
do
{
std::cout << "Adaptivity step: " << adaptivity_step << std::endl;
#pragma region Construct globally refined reference mesh and setup reference space.
MeshSharedPtr ref_mesh = ref_mesh_creator.create_ref_mesh();
SpaceSharedPtr<double> ref_space = ref_space_creator.create_ref_space(space, ref_mesh);
solver.set_space(ref_space);
#pragma endregion
try
{
// Solving.
solver.solve(get_initial_Newton_guess(adaptivity_step, &weak_formulation, space, ref_space, sln_time_prev));
Solution<double>::vector_to_solution(solver.get_sln_vector(), ref_space, sln_time_new);
}
catch(Exceptions::Exception& e)
{
std::cout << e.info();
}
catch(std::exception& e)
{
std::cout << e.what();
}
// Project the fine mesh solution onto the coarse mesh.
OGProjection<double>::project_global(space, sln_time_new, sln_time_new_coarse);
// Calculate element errors and error estimate.
errorCalculator.calculate_errors(sln_time_new_coarse, sln_time_new);
double error_estimate = errorCalculator.get_total_error_squared() * 100;
std::cout << "Error estimate: " << error_estimate << "%" << std::endl;
// Visualize the solution and mesh.
display(sln_time_new, ref_space);
// If err_est too large, adapt the mesh.
if (error_estimate < ERR_STOP)
break;
else
adaptivity.adapt(&refinement_selector);
adaptivity_step++;
}
while(true);
#pragma endregion
#pragma region No adaptivity in space.
try
{
// Solving.
solver.solve(sln_time_prev);
// Get the solution for visualization etc. from the coefficient vector.
Solution<double>::vector_to_solution(solver.get_sln_vector(), space, sln_time_new);
// Visualize the solution and mesh.
display(sln_time_new, space);
}
catch(Exceptions::Exception& e)
{
std::cout << e.info();
}
catch(std::exception& e)
{
std::cout << e.what();
}
#pragma endregion
sln_time_prev->copy(sln_time_new);
// Increase current time and counter of time steps.
current_time += time_step_length;
time_step_number++;
}
while (current_time < T_FINAL);
*/
#pragma endregion
#pragma region No time stepping (= stationary problem).
try
{
// Solving.
solver.solve();
// Get the solution for visualization etc. from the coefficient vector.
Solution<double>::vector_to_solution(solver.get_sln_vector(), space, sln_time_new);
// Visualize the solution and mesh.
display(sln_time_new, space);
}
catch (Exceptions::Exception& e)
{
std::cout << e.info();
}
catch (std::exception& e)
{
std::cout << e.what();
}
#pragma endregion
View::wait();
return 0;
}
int main () {
restart_gl_log ();
start_gl ();
glEnable (GL_DEPTH_TEST); // enable depth-testing
glDepthFunc (GL_LESS); // depth-testing interprets a smaller value as "closer"
glEnable (GL_CULL_FACE); // cull face
glCullFace (GL_BACK); // cull back face
glFrontFace (GL_CCW); // set counter-clock-wise vertex order to mean the front
glClearColor (0.2, 0.2, 0.2, 1.0); // grey background to help spot mistakes
glViewport (0, 0, g_gl_width, g_gl_height);
/* load the mesh using assimp */
GLuint monkey_vao;
int monkey_point_count = 0;
assert (load_mesh (MESH_FILE, &monkey_vao, &monkey_point_count));
/*-------------------------------CREATE SHADERS-------------------------------*/
GLuint shader_programme = create_programme_from_files (
VERTEX_SHADER_FILE, FRAGMENT_SHADER_FILE
);
#define ONE_DEG_IN_RAD (2.0 * M_PI) / 360.0 // 0.017444444
// input variables
float near = 0.1f; // clipping plane
float far = 100.0f; // clipping plane
float fov = 67.0f * ONE_DEG_IN_RAD; // convert 67 degrees to radians
float aspect = (float)g_gl_width / (float)g_gl_height; // aspect ratio
// matrix components
float range = tan (fov * 0.5f) * near;
float Sx = (2.0f * near) / (range * aspect + range * aspect);
float Sy = near / range;
float Sz = -(far + near) / (far - near);
float Pz = -(2.0f * far * near) / (far - near);
GLfloat proj_mat[] = {
Sx, 0.0f, 0.0f, 0.0f,
0.0f, Sy, 0.0f, 0.0f,
0.0f, 0.0f, Sz, -1.0f,
0.0f, 0.0f, Pz, 0.0f
};
float cam_speed = 1.0f; // 1 unit per second
float cam_yaw_speed = 10.0f; // 10 degrees per second
float cam_pos[] = {0.0f, 0.0f, 5.0f}; // don't start at zero, or we will be too close
float cam_yaw = 0.0f; // y-rotation in degrees
mat4 T = translate (identity_mat4 (), vec3 (-cam_pos[0], -cam_pos[1], -cam_pos[2]));
mat4 R = rotate_y_deg (identity_mat4 (), -cam_yaw);
mat4 view_mat = R * T;
int view_mat_location = glGetUniformLocation (shader_programme, "view");
glUseProgram (shader_programme);
glUniformMatrix4fv (view_mat_location, 1, GL_FALSE, view_mat.m);
int proj_mat_location = glGetUniformLocation (shader_programme, "proj");
glUseProgram (shader_programme);
glUniformMatrix4fv (proj_mat_location, 1, GL_FALSE, proj_mat);
while (!glfwWindowShouldClose (g_window)) {
static double previous_seconds = glfwGetTime ();
double current_seconds = glfwGetTime ();
double elapsed_seconds = current_seconds - previous_seconds;
previous_seconds = current_seconds;
_update_fps_counter (g_window);
// wipe the drawing surface clear
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport (0, 0, g_gl_width, g_gl_height);
glUseProgram (shader_programme);
glBindVertexArray (monkey_vao);
glDrawArrays (GL_TRIANGLES, 0, monkey_point_count);
// update other events like input handling
glfwPollEvents ();
// control keys
bool cam_moved = false;
if (glfwGetKey (g_window, GLFW_KEY_A)) {
cam_pos[0] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_D)) {
cam_pos[0] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_PAGE_UP)) {
cam_pos[1] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_PAGE_DOWN)) {
cam_pos[1] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_W)) {
cam_pos[2] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_S)) {
cam_pos[2] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_LEFT)) {
cam_yaw += cam_yaw_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_RIGHT)) {
cam_yaw -= cam_yaw_speed * elapsed_seconds;
cam_moved = true;
}
// update view matrix
if (cam_moved) {
mat4 T = translate (identity_mat4 (), vec3 (-cam_pos[0], -cam_pos[1], -cam_pos[2])); // cam translation
mat4 R = rotate_y_deg (identity_mat4 (), -cam_yaw); //
mat4 view_mat = R * T;
glUniformMatrix4fv (view_mat_location, 1, GL_FALSE, view_mat.m);
}
if (GLFW_PRESS == glfwGetKey (g_window, GLFW_KEY_ESCAPE)) {
glfwSetWindowShouldClose (g_window, 1);
}
// put the stuff we've been drawing onto the display
glfwSwapBuffers (g_window);
}
// close GL context and any other GLFW resources
glfwTerminate();
return 0;
}
int main () {
restart_gl_log ();
start_gl ();
// tell GL to only draw onto a pixel if the shape is closer to the viewer
glEnable (GL_DEPTH_TEST); // enable depth-testing
// depth-testing interprets a smaller value as "closer"
glDepthFunc (GL_LESS);
assert (load_mesh ("monkey.obj"));
GLuint vao;
glGenVertexArrays (1, &vao);
glBindVertexArray (vao);
GLuint points_vbo;
if (NULL != g_vp) {
glGenBuffers (1, &points_vbo);
glBindBuffer (GL_ARRAY_BUFFER, points_vbo);
glBufferData (GL_ARRAY_BUFFER, 3 * g_point_count * sizeof (GLfloat), g_vp,
GL_STATIC_DRAW);
glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE, 0, NULL);
glEnableVertexAttribArray (0);
printf ("enabled points\n");
}
GLuint normals_vbo;
if (NULL != g_vn) {
glGenBuffers (1, &normals_vbo);
glBindBuffer (GL_ARRAY_BUFFER, normals_vbo);
glBufferData (GL_ARRAY_BUFFER, 3 * g_point_count * sizeof (GLfloat), g_vn,
GL_STATIC_DRAW);
glVertexAttribPointer (1, 3, GL_FLOAT, GL_FALSE, 0, NULL);
glEnableVertexAttribArray (1);
printf ("enabled normals\n");
}
GLuint texcoords_vbo;
if (NULL != g_vt) {
glGenBuffers (1, &texcoords_vbo);
glBindBuffer (GL_ARRAY_BUFFER, texcoords_vbo);
glBufferData (GL_ARRAY_BUFFER, 2 * g_point_count * sizeof (GLfloat), g_vt,
GL_STATIC_DRAW);
glVertexAttribPointer (2, 2, GL_FLOAT, GL_FALSE, 0, NULL);
glEnableVertexAttribArray (2);
printf ("enabled texcoords\n");
}
GLuint shader_programme = create_programme_from_files ("test_vs.glsl",
"test_fs.glsl");
/* if converting to GLSL 410 do this to replace GLSL texture bindings:
GLint diffuse_map_loc, specular_map_loc, ambient_map_loc, emission_map_loc;
diffuse_map_loc = glGetUniformLocation (shader_programme, "diffuse_map");
specular_map_loc = glGetUniformLocation (shader_programme, "specular_map");
ambient_map_loc = glGetUniformLocation (shader_programme, "ambient_map");
emission_map_loc = glGetUniformLocation (shader_programme, "emission_map");
assert (diffuse_map_loc > -1);
assert (specular_map_loc > -1);
assert (ambient_map_loc > -1);
assert (emission_map_loc > -1);
glUseProgram (shader_programme);
glUniform1i (diffuse_map_loc, 0);
glUniform1i (specular_map_loc, 1);
glUniform1i (ambient_map_loc, 2);
glUniform1i (emission_map_loc, 3);*/
// load texture
GLuint tex_diff, tex_spec, tex_amb, tex_emiss;
glActiveTexture (GL_TEXTURE0);
assert (load_texture ("boulder_diff.png", &tex_diff));
glActiveTexture (GL_TEXTURE1);
assert (load_texture ("boulder_spec.png", &tex_spec));
glActiveTexture (GL_TEXTURE2);
assert (load_texture ("ao.png", &tex_amb));
glActiveTexture (GL_TEXTURE3);
assert (load_texture ("tileable9b_emiss.png", &tex_emiss));
#define ONE_DEG_IN_RAD (2.0 * M_PI) / 360.0 // 0.017444444
// input variables
float near = 0.1f; // clipping plane
float far = 100.0f; // clipping plane
float fov = 67.0f * ONE_DEG_IN_RAD; // convert 67 degrees to radians
float aspect = (float)g_gl_width / (float)g_gl_height; // aspect ratio
// matrix components
float range = tan (fov * 0.5f) * near;
float Sx = (2.0f * near) / (range * aspect + range * aspect);
float Sy = near / range;
float Sz = -(far + near) / (far - near);
float Pz = -(2.0f * far * near) / (far - near);
GLfloat proj_mat[] = {
Sx, 0.0f, 0.0f, 0.0f,
0.0f, Sy, 0.0f, 0.0f,
0.0f, 0.0f, Sz, -1.0f,
0.0f, 0.0f, Pz, 0.0f
};
float cam_speed = 1.0f; // 1 unit per second
float cam_yaw_speed = 90.0f; // 10 degrees per second
// don't start at zero, or we will be too close
float cam_pos[] = {0.0f, 0.0f, 5.0f};
float cam_yaw = 0.0f; // y-rotation in degrees
mat4 T = translate (identity_mat4 (), vec3 (-cam_pos[0], -cam_pos[1],
-cam_pos[2]));
mat4 R = rotate_y_deg (identity_mat4 (), -cam_yaw);
mat4 view_mat = R * T;
int view_mat_location = glGetUniformLocation (shader_programme, "view");
glUseProgram (shader_programme);
glUniformMatrix4fv (view_mat_location, 1, GL_FALSE, view_mat.m);
int proj_mat_location = glGetUniformLocation (shader_programme, "proj");
glUseProgram (shader_programme);
glUniformMatrix4fv (proj_mat_location, 1, GL_FALSE, proj_mat);
glEnable (GL_CULL_FACE); // cull face
glCullFace (GL_BACK); // cull back face
glFrontFace (GL_CCW); // GL_CCW for counter clock-wise
while (!glfwWindowShouldClose (g_window)) {
static double previous_seconds = glfwGetTime ();
double current_seconds = glfwGetTime ();
double elapsed_seconds = current_seconds - previous_seconds;
previous_seconds = current_seconds;
_update_fps_counter (g_window);
// wipe the drawing surface clear
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport (0, 0, g_gl_width, g_gl_height);
glUseProgram (shader_programme);
glBindVertexArray (vao);
// draw points 0-3 from the currently bound VAO with current in-use shader
glDrawArrays (GL_TRIANGLES, 0, g_point_count);
// update other events like input handling
glfwPollEvents ();
// control keys
bool cam_moved = false;
if (glfwGetKey (g_window, GLFW_KEY_A)) {
cam_pos[0] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_D)) {
cam_pos[0] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_PAGE_UP)) {
cam_pos[1] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_PAGE_DOWN)) {
cam_pos[1] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_W)) {
cam_pos[2] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_S)) {
cam_pos[2] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_LEFT)) {
cam_yaw += cam_yaw_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_RIGHT)) {
cam_yaw -= cam_yaw_speed * elapsed_seconds;
cam_moved = true;
}
// update view matrix
if (cam_moved) {
mat4 T = translate (identity_mat4 (), vec3 (-cam_pos[0], -cam_pos[1],
-cam_pos[2])); // cam translation
mat4 R = rotate_y_deg (identity_mat4 (), -cam_yaw); //
mat4 view_mat = R * T;
glUniformMatrix4fv (view_mat_location, 1, GL_FALSE, view_mat.m);
}
if (GLFW_PRESS == glfwGetKey (g_window, GLFW_KEY_ESCAPE)) {
glfwSetWindowShouldClose (g_window, 1);
}
// put the stuff we've been drawing onto the display
glfwSwapBuffers (g_window);
}
// close GL context and any other GLFW resources
glfwTerminate();
return 0;
}
bool app_Scene::load_resources() {
std::vector<std::pair<const char*, const char*>> meshesToLoad = {
{"room", "data/meshes/room.obj"},
{"table", "data/meshes/table.obj"},
{"whisky", "data/meshes/whisky.obj"},
{"whisky-glass", "data/meshes/whisky-glass.obj"},
{"ashtray", "data/meshes/ashtray.obj"},
{"armchair", "data/meshes/armchair.obj"},
{"projector", "data/meshes/projector.obj"},
{"buddha", "data/meshes/buddha.obj"}
};
std::vector<std::pair<const char*, const char*>> texturesToLoad = {
{"room-diffuse", "data/textures/room-diffuse.png"},
{"room-ao", "data/textures/room-ao.png"},
{"room-specular", "data/textures/room-specular.png"},
{"table-diffuse", "data/textures/table-diffuse.png"},
{"table-ao", "data/textures/table-ao.png"},
{"table-specular", "data/textures/table-specular.png"},
{"armchair-diffuse", "data/textures/armchair-diffuse.png"},
{"armchair-ao", "data/textures/armchair-ao.png"},
{"armchair-specular", "data/textures/armchair-specular.png"},
{"projector-diffuse", "data/textures/projector-diffuse.png"},
{"projector-ao", "data/textures/projector-ao.png"},
{"projector-specular", "data/textures/projector-specular.png"},
{"white", "data/textures/white.png"},
{"buddha-ao", "data/textures/buddha-ao.png"},
{"strawberry", "data/textures/strawberry.png"}
};
std::vector<std::tuple<const char*, const char*, const char*>> shadersToLoad = {
std::make_tuple("textured", "data/shaders/textured.vs", "data/shaders/textured.fs"),
std::make_tuple("opaque", "data/shaders/opaque.vs", "data/shaders/opaque.fs"),
std::make_tuple("project", "data/shaders/projtex.vs", "data/shaders/projtex.fs"),
std::make_tuple("depth", "data/shaders/depth.vs", "data/shaders/depth.fs")
};
std::cout << "Loading shaders... \n";
for(std::tuple<const char*, const char*, const char*> t : shadersToLoad) {
std::cout << "\t" << std::get<0>(t) << " <- " << std::get<1>(t) << ", " << std::get<2>(t) << "... ";
if(!load_shader(std::get<0>(t),std::get<1>(t),std::get<2>(t))) {
std::cout << "fail!\n";
return false;
}
std::cout << "success\n";
}
std::cout << std::endl;
std::cout << "Loading meshes... \n";
for(std::pair<const char*, const char*> p : meshesToLoad) {
std::cout << "\t" << p.first << " <- " << p.second << "... ";
if(!load_mesh(p.first, p.second)) {
std::cout << "fail!\n";
return false;
}
std::cout << "success\n";
}
std::cout << std::endl;
std::cout << "Loading textures... \n";
for(std::pair<const char*, const char*> p : texturesToLoad) {
std::cout << "\t" << p.first << " <- " << p.second << "... ";
if(!load_texture(p.first, p.second)) {
std::cout << "fail!\n";
return false;
}
std::cout << "success\n";
}
m_Textures["strawberry"]->parameter(GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
m_Textures["strawberry"]->parameter(GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
std::cout << std::endl;
std::cout << "Creating FBO... ";
{
std::cout << "\tCreating texture... ";
GLuint textureHandle;
glGenTextures(1, &textureHandle);
glBindTexture(GL_TEXTURE_2D, textureHandle);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, m_DepthMapSize.x, m_DepthMapSize.y, 0, GL_RED, GL_FLOAT, NULL);
glTexStorage2D(GL_TEXTURE_2D, 1, GL_DEPTH_COMPONENT24, m_DepthMapSize.x, m_DepthMapSize.y);
std::cout << "done\n";
m_ProjectorDepthMap.attach_texture(GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, textureHandle, 0, true);
m_ProjectorDepthMap.unbind();
m_DepthTexture = textureHandle;
}
std::cout << "Done";
return true;
}
void parse_world(state_t* state, FILE* f) {
char line[4096];
char** tokens;
int n_tokens;
int bsdf_index = 0;
transform_data_t t;
t.has_users = false;
t.index = 0;
matrix_t m_identity = {{1.f,0.f,0.f,0.f},
{0.f,1.f,0.f,0.f},
{0.f,0.f,1.f,0.f},
{0.f,0.f,0.f,1.f}};
memcpy(t.t.m, m_identity, sizeof(matrix_t));
memcpy(t.t.m_inv, m_identity, sizeof(matrix_t));
state->transforms[t.index++] = t.t;
state->n_transforms++;
realloc_transforms();
transform_data_t tstack[1024];
int tstack_ptr = 0;
while(fgets(line, 4096, f) != NULL) {
if(line[0] != '#') {
line[strlen(line)-1] = '\0';
tokens = tokenize(line, &n_tokens);
if(n_tokens != 0) {
if(strcmp(tokens[0],"EndWorld") == 0) {
free(tokens);
return;
}
else if(strcmp(tokens[0],"PushTransform") == 0) {
qr_assert(n_tokens==1, "parser", "PushTransform takes only no arguments, found %d",n_tokens-1);
tstack[++tstack_ptr] = t;
}
else if(strcmp(tokens[0],"PopTransform") == 0) {
qr_assert(n_tokens==1, "parser", "PopTransform takes no arguments, found %d",n_tokens-1);
transform_data_t tmp = t;
t = tstack[tstack_ptr--];
t.has_users = t.has_users || tmp.has_users;
t.index = state->n_transforms;
}
else if(strcmp(tokens[0],"LoadIdentity") == 0) {
qr_assert(n_tokens==1, "parser", "LoadIdentity takes no arguments, found %d",n_tokens-1);
if(t.has_users == true) {
t.index = state->n_transforms;
t.has_users = false;
}
}
else if(strcmp(tokens[0],"Translate") == 0) {
qr_assert(n_tokens==4, "parser", "Translate takes only 3 arguments, found %d",n_tokens-1);
if(t.has_users == true) {
t.index = state->n_transforms;
t.has_users = false;
}
transform_t tmp;
translate(make_vec3(to_float(tokens[1]),to_float(tokens[2]),to_float(tokens[3])), &tmp);
mul_matrix(&tmp.m, &t.t.m, &t.t.m);
mul_matrix(&tmp.m_inv, &t.t.m_inv, &t.t.m_inv);
}
else if(strcmp(tokens[0],"Scale") == 0) {
qr_assert(n_tokens==4, "parser", "Scale takes only 3 arguments, found %d",n_tokens-1);
if(t.has_users == true) {
t.index = state->n_transforms;
t.has_users = false;
}
transform_t tmp;
scale(make_vec3(to_float(tokens[1]),to_float(tokens[2]),to_float(tokens[3])), &tmp);
mul_matrix(&tmp.m, &t.t.m, &t.t.m);
}
else if(strcmp(tokens[0],"LookAt") == 0) {
qr_assert(n_tokens==7, "parser", "LookAt takes only 6 arguments, found %d",n_tokens-1);
if(t.has_users == true) {
t.index = state->n_transforms;
t.has_users = false;
}
lookat(make_vec3(to_float(tokens[1]),to_float(tokens[2]),to_float(tokens[3])), make_vec3(to_float(tokens[4]),to_float(tokens[5]),to_float(tokens[6])), &t.t);
}
else if(strcmp(tokens[0],"BSDFDiffuse") == 0) {
qr_assert(n_tokens==4, "parser", "BSDFDiffuse takes only 3 arguments, found %d",n_tokens-1);
state->n_bsdfs++;
realloc_bsdfs();
state->bsdfs[state->n_bsdfs-1] = make_bsdf_diffuse(make_vec3(to_float(tokens[1]), to_float(tokens[2]), to_float(tokens[3])));
bsdf_index = state->n_bsdfs-1;
}
else if(strcmp(tokens[0],"Sphere") == 0) {
qr_assert(n_tokens==2, "parser", "Sphere takes only one argument, found %d",n_tokens-1);
state->primitives = (primitive_t*)realloc(state->primitives, sizeof(primitive_t)*(++state->n_primitives));
primitive_t p;
p.type = PRIMITIVE_SPHERE;
p.data = make_primitive_sphere(to_float(tokens[1]));
p.t = t.index;
p.bsdf = bsdf_index;
t.has_users = true;
state->primitives[state->n_primitives-1] = p;
state->transforms[t.index] = t.t;
state->n_transforms++;
realloc_transforms();
}
else if(strcmp(tokens[0],"Mesh") == 0) {
qr_assert(n_tokens==2, "parser", "Mesh takes only one argument, found %d",n_tokens-1);
state->transforms[t.index] = t.t;
t.has_users = true;
state->n_transforms++;
realloc_transforms();
load_mesh(tokens[1], state, t, bsdf_index, NULL);
}
else if(strcmp(tokens[0],"MeshMat") == 0) {
qr_assert(n_tokens==3, "parser", "MeshMat takes only 2 arguments, found %d",n_tokens-1);
t.has_users = true;
state->transforms[t.index] = t.t;
state->n_transforms++;
realloc_transforms();
load_mesh(tokens[1], state, t, bsdf_index, tokens[2]);
}
else if(strcmp(tokens[0],"PointLight") == 0) {
qr_assert(n_tokens==7, "parser", "PointLight takes only 6 arguments, found %d",n_tokens-1);
realloc_lights();
state->lights[state->n_lights++] = make_light_point(make_vec3(to_float(tokens[1]),to_float(tokens[2]),to_float(tokens[3])), make_vec3(to_float(tokens[4]),to_float(tokens[5]),to_float(tokens[6])));
}
else if(strcmp(tokens[0],"SphereLight") == 0) {
qr_assert(n_tokens==8, "parser", "SphereLight takes only 7 arguments, found %d",n_tokens-1);
realloc_lights();
state->lights[state->n_lights++] = make_light_sphere(make_vec3(to_float(tokens[1]),to_float(tokens[2]),to_float(tokens[3])), to_float(tokens[4]), make_vec3(to_float(tokens[5]),to_float(tokens[6]),to_float(tokens[7])));
}
else if(strcmp(tokens[0],"Camera") == 0) {
qr_assert(n_tokens==2, "parser", "Camera takes only one argument, found %d",n_tokens-1);
state->camera_fplane = to_float(tokens[1]);
state->camera_transform = t.index;
t.has_users = true;
state->camera_origin = transform_point(make_vec3(0.f,0.f,0.f), t.t, true);
state->transforms[t.index] = t.t;
state->n_transforms++;
realloc_transforms();
}
else {
ERROR("parser", "Unknown directive: %s",tokens[0]);
}
}
}
}
ERROR("parser", "File ended in the middle of a World section");
}
TrulyViewDependentPM32::TrulyViewDependentPM32(const std::string& filename)
: TrulyViewDependentPM()
{
load_mesh(filename);
}
int main () {
assert (restart_gl_log ());
assert (start_gl ());
glEnable (GL_DEPTH_TEST); // enable depth-testing
glDepthFunc (GL_LESS); // depth-testing interprets a smaller value as "closer"
glEnable (GL_CULL_FACE); // cull face
glCullFace (GL_BACK); // cull back face
glFrontFace (GL_CCW); // set counter-clock-wise vertex order to mean the front
glClearColor (0.2, 0.2, 0.2, 1.0); // grey background to help spot mistakes
glViewport (0, 0, g_gl_width, g_gl_height);
/* load the mesh using assimp */
GLuint monkey_vao;
mat4 monkey_bone_offset_matrices[MAX_BONES];
mat4 monkey_bone_animation_mats[MAX_BONES];
for (int i = 0; i < MAX_BONES; i++) {
monkey_bone_animation_mats[i] = identity_mat4 ();
monkey_bone_offset_matrices[i] = identity_mat4 ();
monkey_bone_animation_mats[i] = identity_mat4 ();
}
int monkey_point_count = 0;
int monkey_bone_count = 0;
Skeleton_Node* monkey_root_node = NULL;
double monkey_anim_duration = 0.0;
assert (load_mesh (
MESH_FILE,
&monkey_vao,
&monkey_point_count,
monkey_bone_offset_matrices,
&monkey_bone_count,
&monkey_root_node,
&monkey_anim_duration
));
printf ("monkey bone count %i\n", monkey_bone_count);
/* create a buffer of bone positions for visualising the bones */
float bone_positions[3 * 256];
int c = 0;
for (int i = 0; i < monkey_bone_count; i++) {
//print (monkey_bone_offset_matrices[i]);
// get the x y z translation elements from the last column in the array
bone_positions[c++] = -monkey_bone_offset_matrices[i].m[12];
bone_positions[c++] = -monkey_bone_offset_matrices[i].m[13];
bone_positions[c++] = -monkey_bone_offset_matrices[i].m[14];
}
GLuint bones_vao;
glGenVertexArrays (1, &bones_vao);
glBindVertexArray (bones_vao);
GLuint bones_vbo;
glGenBuffers (1, &bones_vbo);
glBindBuffer (GL_ARRAY_BUFFER, bones_vbo);
glBufferData (
GL_ARRAY_BUFFER,
3 * monkey_bone_count * sizeof (float),
bone_positions,
GL_STATIC_DRAW
);
glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE, 0, NULL);
glEnableVertexAttribArray (0);
/*-------------------------------CREATE SHADERS-------------------------------*/
GLuint shader_programme = create_programme_from_files (
VERTEX_SHADER_FILE, FRAGMENT_SHADER_FILE
);
GLuint bones_shader_programme = create_programme_from_files (
"bones.vert", "bones.frag"
);
#define ONE_DEG_IN_RAD (2.0 * M_PI) / 360.0 // 0.017444444
// input variables
float near = 0.1f; // clipping plane
float far = 100.0f; // clipping plane
float fov = 67.0f * ONE_DEG_IN_RAD; // convert 67 degrees to radians
float aspect = (float)g_gl_width / (float)g_gl_height; // aspect ratio
// matrix components
float range = tan (fov * 0.5f) * near;
float Sx = (2.0f * near) / (range * aspect + range * aspect);
float Sy = near / range;
float Sz = -(far + near) / (far - near);
float Pz = -(2.0f * far * near) / (far - near);
GLfloat proj_mat[] = {
Sx, 0.0f, 0.0f, 0.0f,
0.0f, Sy, 0.0f, 0.0f,
0.0f, 0.0f, Sz, -1.0f,
0.0f, 0.0f, Pz, 0.0f
};
float cam_speed = 5.0f; // 1 unit per second
float cam_yaw_speed = 40.0f; // 10 degrees per second
float cam_pos[] = {0.0f, 0.0f, 5.0f}; // don't start at zero, or we will be too close
float cam_yaw = 0.0f; // y-rotation in degrees
mat4 T = translate (identity_mat4 (), vec3 (-cam_pos[0], -cam_pos[1], -cam_pos[2]));
mat4 R = rotate_y_deg (identity_mat4 (), -cam_yaw);
mat4 view_mat = R * T;
/* apply a model matrix that rotates our mesh up the correct way */
mat4 model_mat = identity_mat4 ();
glUseProgram (shader_programme);
int model_mat_location = glGetUniformLocation (shader_programme, "model");
glUniformMatrix4fv (model_mat_location, 1, GL_FALSE, model_mat.m);
int view_mat_location = glGetUniformLocation (shader_programme, "view");
glUniformMatrix4fv (view_mat_location, 1, GL_FALSE, view_mat.m);
int proj_mat_location = glGetUniformLocation (shader_programme, "proj");
glUniformMatrix4fv (proj_mat_location, 1, GL_FALSE, proj_mat);
int bone_matrices_locations[MAX_BONES];
// reset all the bone matrices
char name[64];
for (int i = 0; i < MAX_BONES; i++) {
sprintf (name, "bone_matrices[%i]", i);
bone_matrices_locations[i] = glGetUniformLocation (shader_programme, name);
glUniformMatrix4fv (bone_matrices_locations[i], 1, GL_FALSE, identity_mat4 ().m);
}
glUseProgram (bones_shader_programme);
int bones_view_mat_location = glGetUniformLocation (bones_shader_programme, "view");
glUniformMatrix4fv (bones_view_mat_location, 1, GL_FALSE, view_mat.m);
int bones_proj_mat_location = glGetUniformLocation (bones_shader_programme, "proj");
glUniformMatrix4fv (bones_proj_mat_location, 1, GL_FALSE, proj_mat);
double anim_time = 0.0;
while (!glfwWindowShouldClose (g_window)) {
static double previous_seconds = glfwGetTime ();
double current_seconds = glfwGetTime ();
double elapsed_seconds = current_seconds - previous_seconds;
previous_seconds = current_seconds;
/* update animation timer and loop */
anim_time += elapsed_seconds * 0.5;
if (anim_time >= monkey_anim_duration) {
anim_time = monkey_anim_duration - anim_time;
}
_update_fps_counter (g_window);
// wipe the drawing surface clear
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport (0, 0, g_gl_width, g_gl_height);
glEnable (GL_DEPTH_TEST);
glUseProgram (shader_programme);
glBindVertexArray (monkey_vao);
glDrawArrays (GL_TRIANGLES, 0, monkey_point_count);
glDisable (GL_DEPTH_TEST);
glEnable (GL_PROGRAM_POINT_SIZE);
glUseProgram (bones_shader_programme);
glBindVertexArray (bones_vao);
glDrawArrays (GL_POINTS, 0, monkey_bone_count);
glDisable (GL_PROGRAM_POINT_SIZE);
// update other events like input handling
glfwPollEvents ();
// control keys
bool cam_moved = false;
if (glfwGetKey (g_window, GLFW_KEY_A)) {
cam_pos[0] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_D)) {
cam_pos[0] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_PAGE_UP)) {
cam_pos[1] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_PAGE_DOWN)) {
cam_pos[1] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_W)) {
cam_pos[2] -= cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_S)) {
cam_pos[2] += cam_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_LEFT)) {
cam_yaw += cam_yaw_speed * elapsed_seconds;
cam_moved = true;
}
if (glfwGetKey (g_window, GLFW_KEY_RIGHT)) {
cam_yaw -= cam_yaw_speed * elapsed_seconds;
cam_moved = true;
}
// update view matrix
if (cam_moved) {
mat4 T = translate (identity_mat4 (), vec3 (-cam_pos[0], -cam_pos[1], -cam_pos[2])); // cam translation
mat4 R = rotate_y_deg (identity_mat4 (), -cam_yaw); //
mat4 view_mat = R * T;
glUseProgram (shader_programme);
glUniformMatrix4fv (view_mat_location, 1, GL_FALSE, view_mat.m);
glUseProgram (bones_shader_programme);
glUniformMatrix4fv (bones_view_mat_location, 1, GL_FALSE, view_mat.m);
}
skeleton_animate (
monkey_root_node,
anim_time,
identity_mat4 (),
monkey_bone_offset_matrices,
monkey_bone_animation_mats
);
glUseProgram (shader_programme);
glUniformMatrix4fv (
bone_matrices_locations[0],
monkey_bone_count,
GL_FALSE,
monkey_bone_animation_mats[0].m
);
if (GLFW_PRESS == glfwGetKey (g_window, GLFW_KEY_ESCAPE)) {
glfwSetWindowShouldClose (g_window, 1);
}
// put the stuff we've been drawing onto the display
glfwSwapBuffers (g_window);
}
// close GL context and any other GLFW resources
glfwTerminate();
return 0;
}
