Refactoring to the point before started refactoring, without crash on texture binding

1 files changed, 82 insertions, 0 deletions

diff --git a/src/graphic/state.c b/src/graphic/state.c
new file mode 100644
index 0000000..c3aaa8e
--- /dev/null
+++ b/src/graphic/state.c
@@ -0,0 +1,82 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   state.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/11 01:31:10 by charles           #+#    #+#             */
+/*   Updated: 2020/05/14 16:39:59 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "scop.h"
+
+bool		state_init(t_state *state, t_model_data *data)
+{
+	if (SDL_Init(SDL_INIT_VIDEO) < 0)
+		return (false);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+	state->window = SDL_CreateWindow(
+			"scop", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+			WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
+	if (state->window == NULL)
+		return (false);
+	state->context = SDL_GL_CreateContext(state->window);
+	if (glewInit() != GLEW_OK)
+		return (false);
+	SDL_GL_SetSwapInterval(1);
+	GL_CALL(glEnable(GL_DEPTH_TEST));
+
+	if (!shader_init(&state->shader)
+		|| (state->scene.texture = texture_create(data->texture_filepath)) == 0)
+		return (false);
+	scene_init(&state->scene, data);
+
+	state->fov = M_PI_4;
+	state->running = true;
+	state->polygon_mode = GL_FILL;
+	SDL_GL_GetDrawableSize(state->window, &state->width, &state->height);
+	GL_CALL(glViewport(0, 0, state->width, state->height));
+	return (true);
+}
+
+void		state_run(t_state *state)
+{
+	float	rotation;
+
+	scene_update_model(&state->scene, M_PI_4);
+	scene_update_proj(&state->scene, M_PI_4, state->width, state->height);
+	rotation = M_PI_4;
+	while (state->running)
+	{
+		GL_CALL(glClearColor(0.1f, 0.1f, 0.1f, 1.0f));
+		GL_CALL(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT));
+
+		GL_CALL(glUseProgram(state->shader.id));
+		GL_CALL(glActiveTexture(GL_TEXTURE0));
+		GL_CALL(glBindTexture(GL_TEXTURE_2D, state->scene.texture));
+		shader_set_uniforms(&state->shader, &state->scene);
+
+		GL_CALL(glBindVertexArray(state->scene.vertex_array));
+		GL_CALL(glDrawElements(GL_TRIANGLES,
+					state->scene.index_buf_num, GL_UNSIGNED_INT, (void*)0));
+
+		scene_update_model(&state->scene, rotation);
+		SDL_GL_SwapWindow(state->window);
+		event_handle(state);
+		rotation += M_PI / 250.0;
+	}
+}
+
+void		state_quit(t_state *state)
+{
+	scene_quit(&state->scene);
+	GL_CALL(glDeleteProgram(state->shader.id));
+	SDL_GL_DeleteContext(state->context);
+	SDL_DestroyWindow(state->window);
+	SDL_Quit();
+}