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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/05/09 10:20:09 by charles #+# #+# */
/* Updated: 2020/05/13 17:11:37 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "scop.h"
/*
** TODO
** - texture
** - parse vt
** - parse coord index of f
** - transition color/texture
*/
void handle_event(GLFWwindow *window, t_gl_state *state)
{
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
glfwSetWindowShouldClose(window, true);
else if (glfwGetKey(window, GLFW_KEY_P) == GLFW_PRESS)
{
if (state->polygon_mode_last_time + 0.1 > glfwGetTime())
return ;
if (state->polygon_mode == GL_FILL)
state->polygon_mode = GL_LINE;
else if (state->polygon_mode == GL_LINE)
state->polygon_mode = GL_POINT;
else if (state->polygon_mode == GL_POINT)
state->polygon_mode = GL_FILL;
GL_CALL(glPolygonMode(GL_FRONT_AND_BACK, state->polygon_mode));
state->polygon_mode_last_time = glfwGetTime();
}
else if (glfwGetKey(window, GLFW_KEY_EQUAL) == GLFW_PRESS)
{
state->fov -= M_PI / 100.0f;
if (state->fov <= M_PI_4 / 2)
state->fov = M_PI_4 / 2;
}
else if (glfwGetKey(window, GLFW_KEY_MINUS) == GLFW_PRESS)
{
state->fov += M_PI / 100.0f;
if (state->fov >= M_PI - M_PI_4 / 2)
state->fov = M_PI - M_PI_4 / 2;
}
}
void debugmat(t_ftmmat4 *mat)
{
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
printf("%.2f, ", mat->m[i * 4 + j]);
}
printf("\n");
}
printf("\n");
}
extern bool g_window_resized;
int main(int argc, char **argv)
{
GLFWwindow *window;
t_object object;
t_gl_state state;
if (argc != 2)
{
ft_putstr("Usage: ");
ft_putstr(argv[0]);
ft_putendl(" [obj file]");
return (1);
}
if (parse(argv[1], &object) == -1)
{
ft_putstr("Error: couldn't parse ");
ft_putendl(argv[1]);
return (1);
}
unsigned int texture = texture_new("res/brick.bmp");
float *coords = texture_coord_create(object.vertices, object.vertices_len);
t_ftmmat4 center_trans;
center_mat4_init_translate(¢er_trans, object.vertices, object.vertices_len);
/* debugmat(¢er_trans); */
if (!color_merge_vertices(&object, coords))
{
ft_putstr("Error: couldn't create colors");
return (1);
}
/* for (size_t i = 0; i < object.indices_len * 3; i++) */
/* { */
/* printf("%u, ", object.indices[i++]); */
/* printf("%u, ", object.indices[i++]); */
/* printf("%u\n", object.indices[i]); */
/* } */
/* printf("yo %lu\n", object.indices_len); */
for (size_t i = 0; i < object.vertices_len * 10; i++)
{
printf("% f, ", object.vertices[i++]);
printf("% f, ", object.vertices[i++]);
printf("% f, ", object.vertices[i++]);
printf("% f\tcolor: ", object.vertices[i++]);
printf("% f, ", object.vertices[i++]);
printf("% f, ", object.vertices[i++]);
printf("% f, ", object.vertices[i++]);
printf("% f\ttex: ", object.vertices[i]);
printf("% f", object.vertices[i++]);
printf("% f\n", object.vertices[i]);
}
printf("yo %lu\n", object.vertices_len);
t_ftmmat4 model;
t_ftmmat4 view;
t_ftmmat4 proj;
t_ftmvec3 vec;
ftm_mat4init_eye(&model, 1.0);
/* ftm_mat4translate(&model, 0.0, 0.0, -10.0); */
/* ftm_mat4rotate(&model, ftm_radian(45.0f), ftm_vec3init(&vec, 0.0, 1.0, 0.0)); */
/* ftm_mat4mul(&model, ¢er_trans); */
/* ftm_mat4rotate(&model, M_PI_4, ftm_vec3init(&vec, 0.0, 1.0, 0.0)); */
/* ftm_mat4scale(&model, 1.1, 1.1, 1.1); */
ftm_mat4init_eye(&view, 1.0);
ftm_mat4init_perspective(&proj, M_PI_2 / 2.0, 1.0, 0.1, 100.0);
/* debugmat(&model); */
/* debugmat(&view); */
/* debugmat(&proj); */
if ((window = glfw_init(400, 400)) == NULL
|| gl_state_init(&state, &object) == -1)
return (1);
GL_CALL(glBindBuffer(GL_ARRAY_BUFFER, 0));
GL_CALL(glBindVertexArray(0));
GL_CALL(glUseProgram(state.shader));
gl_state_set_mvp(&state, &model, &view, &proj);
GL_CALL(glUniform1i(glGetUniformLocation(state.shader, "u_texture"), 0));
GL_CALL(glActiveTexture(GL_TEXTURE0));
/* printf("%u\n", texture); */
/* GL_CALL(glBindTexture(GL_TEXTURE_2D, texture)); */
float deg = 0.0;
while (!glfwWindowShouldClose(window))
{
handle_event(window, &state);
GL_CALL(glClearColor(0.2f, 0.3f, 0.3f, 1.0f));
GL_CALL(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT));
GL_CALL(glUseProgram(state.shader));
ftm_mat4init_eye(&model, 1.0);
ftm_mat4translate(&model, 0.0, 0.0, -10.0);
ftm_mat4rotate(&model, ftm_radian(deg), ftm_vec3init(&vec, 0.0, 1.0, 0.0));
ftm_mat4mul(&model, ¢er_trans);
deg += 0.4;
int w, h;
glfwGetFramebufferSize(window, &w, &h);
ftm_mat4init_perspective(&proj, state.fov, (float)w / (float)h, 0.1, 100.0);
g_window_resized = false;
gl_state_set_mvp(&state, &model, &view, &proj);
GL_CALL(glBindVertexArray(state.vertex_array));
GL_CALL(glDrawElements(GL_TRIANGLES, object.indices_len * sizeof(unsigned int) * 3, GL_UNSIGNED_INT, (void*)0));
glfwSwapBuffers(window);
glfwPollEvents();
}
gl_state_quit(&state, &object);
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}
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