something

2 files changed, 166 insertions, 174 deletions

diff --git a/advanced_opengl/1.depth/build.sh b/advanced_opengl/1.depth/build
index 04fe803..04fe803 100755
--- a/advanced_opengl/1.depth/build.sh
+++ b/advanced_opengl/1.depth/build
diff --git a/advanced_opengl/1.depth/depth.c b/advanced_opengl/1.depth/depth.c
index 03092df..71a7ffc 100644
--- a/advanced_opengl/1.depth/depth.c
+++ b/advanced_opengl/1.depth/depth.c
@@ -8,178 +8,170 @@
 
 int main(void)
 {
-	GLFWwindow *window;
-	State state;
-	S32 width, height;
-	Input input;
-
-	if (glfwInit() == GLFW_FALSE) {
-		fprintf(stderr, "[ERROR] Failed to initialize glfw.\n");
-		return(1);
-	}
-
-	width = 1024;
-	height = 768;
-
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
-	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-	window = glfwCreateWindow(width, height, "Depth testing.", 0, 0);
-	if (!window) {
-		fprintf(stderr, "[ERROR] Failed to create window.\n");
-		glfwTerminate();
-		return(1);
-	}
-
-	glfwMakeContextCurrent(window);
-
-	if (glewInit() != GLEW_OK) {
-		fprintf(stderr, "[ERROR] Failed to initialize glew.\n");
-		glfwTerminate();
-		return(1);
-	}
-
-	glEnable(GL_DEPTH_TEST);
-	glDepthFunc(GL_LESS);
-
-	U32 shader = create_shader_program("shaders/depth.vert", "shaders/depth.frag");
-	U32 marble_texture = load_texture("../../data/textures/marble.jpg");
-	U32 metal_texture = load_texture("../../data/textures/metal.png");
-
-	F32 a = 0.5f;
-	F32 vertices[] = {
-		-a, -a, -a,  0.0f, 0.0f,
-		 a, -a, -a,  1.0f, 0.0f,
-		 a,  a, -a,  1.0f, 1.0f,
-		 a,  a, -a,  1.0f, 1.0f,
-		-a,  a, -a,  0.0f, 1.0f,
-		-a, -a, -a,  0.0f, 0.0f,
-
-		-a, -a,  a,  0.0f, 0.0f,
-		 a, -a,  a,  1.0f, 0.0f,
-		 a,  a,  a,  1.0f, 1.0f,
-		 a,  a,  a,  1.0f, 1.0f,
-		-a,  a,  a,  0.0f, 1.0f,
-		-a, -a,  a,  0.0f, 0.0f,
-
-		-a,  a,  a,  1.0f, 0.0f,
-		-a,  a, -a,  1.0f, 1.0f,
-		-a, -a, -a,  0.0f, 1.0f,
-		-a, -a, -a,  0.0f, 1.0f,
-		-a, -a,  a,  0.0f, 0.0f,
-		-a,  a,  a,  1.0f, 0.0f,
-
-		 a,  a,  a,  1.0f, 0.0f,
-		 a,  a, -a,  1.0f, 1.0f,
-		 a, -a, -a,  0.0f, 1.0f,
-		 a, -a, -a,  0.0f, 1.0f,
-		 a, -a,  a,  0.0f, 0.0f,
-		 a,  a,  a,  1.0f, 0.0f,
-
-		-a, -a, -a,  0.0f, 1.0f,
-		 a, -a, -a,  1.0f, 1.0f,
-		 a, -a,  a,  1.0f, 0.0f,
-		 a, -a,  a,  1.0f, 0.0f,
-		-a, -a,  a,  0.0f, 0.0f,
-		-a, -a, -a,  0.0f, 1.0f,
-
-		-a,  a, -a,  0.0f, 1.0f,
-		 a,  a, -a,  1.0f, 1.0f,
-		 a,  a,  a,  1.0f, 0.0f,
-		 a,  a,  a,  1.0f, 0.0f,
-		-a,  a,  a,  0.0f, 0.0f,
-		-a,  a, -a,  0.0f, 1.0f
-	};
-
-	Transform cube_positions[] = {
-		transform_default(),
-		transform_make_translate(v3f(a, 0.0f, -4*a))
-	};
-
-	V3F platform_pos = v3f(10.0f, 0.2f, 10.0f);
-	V3F platform_scale = v3f(0.0f, -(a+(a*0.2f)+0.01f), 0.0f);
-	Transform platform_transform = transform_make_scale_translate(platform_pos, platform_scale);
-
-	U32 VAO, VBO;
-	glGenVertexArrays(1, &VAO);
-	glBindVertexArray(VAO);
-	glGenBuffers(1, &VBO);
-	glBindBuffer(GL_ARRAY_BUFFER, VBO);
-	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
-	glEnableVertexAttribArray(0);
-	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5*sizeof(F32), (void *)0);
-	glEnableVertexAttribArray(1);
-	glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5*sizeof(F32), (void *)(3*sizeof(F32)));
-	glBindVertexArray(0);
-
-	state.camera = (Camera) {
-		v3f(0.0f, 0.0f, 3.0f),
-		90.0f, 0.1f, 100.0f,
-		0.0f, 0.0f
-	};
-
-	F32 target_fps = 60.0f;
-	F32 target_spf = 1.0f/target_fps;
-	F32 last_time = glfwGetTime();
-
-	while (!glfwWindowShouldClose(window)) {
-		glfwPollEvents();
-
-		process_glfw_keyboard(window, &input);
-		glfwGetFramebufferSize(window, &width, &height);
-
-		/* INFO(pryazha): Update */
-		V3F target = v3f_zero();
-
-		if (key_first_press(input.exit))
-			glfwSetWindowShouldClose(window, GLFW_TRUE);
-
-		V3F dv = get_dv_camera_orbital(&input, state.camera.pos,
-					       target, state.dt, 3.0f);
-		state.camera.pos = v3f_add(state.camera.pos, dv);
-
-		input_update_last_state(&input);
-
-		/* INFO(pryazha): Render */
-		MAT4 model, view, proj;
-		view = look_at(state.camera.pos, target, v3f(0.0f, 1.0f, 0.0f));
-		/* proj = ortho(-5.0f, 5.0f, -5.0f, 5.0f, 0.1f, 100.0f); */
-		proj = perspective(state.camera.fovx, (F32)width/(F32)height,
-				   state.camera.near, state.camera.far);
-
-		glViewport(0, 0, width, height);
-		glClearColor(0.15f, 0.15f, 0.15f, 1.0f);
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-		glUseProgram(shader);
-		shader_set_mat4fv(shader, "view", view);
-		shader_set_mat4fv(shader, "proj", proj);
-		glBindTexture(GL_TEXTURE_2D, marble_texture);
-		glBindVertexArray(VAO);
-		for (S32 i = 0; i < (S32)ArrayCount(cube_positions); ++i) {
-			model = transform_apply(cube_positions[i]);
-			shader_set_mat4fv(shader, "model", model);
-			glDrawArrays(GL_TRIANGLES, 0, 36);
-		}
-		glBindTexture(GL_TEXTURE_2D, metal_texture);
-		model = transform_apply(platform_transform);
-		shader_set_mat4fv(shader, "model", model);
-		glDrawArrays(GL_TRIANGLES, 0, 36);
-		glBindVertexArray(0);
-
-		glfwSwapBuffers(window);
-
-		F32 elapsed = glfwGetTime()-last_time;
-		if (elapsed < target_spf) {
-			U32 sleep_time = (U32)(target_spf-elapsed);
-			if (sleep_time > 0)
-				sleep(sleep_time);
-		}
-		F32 current_time = glfwGetTime();
-		state.dt = current_time-last_time;
-		last_time = current_time;
-	}
-
-	glfwTerminate();
-	return(0);
+    if (glfwInit() == GLFW_FALSE) {
+        fprintf(stderr, "[ERROR] Failed to initialize glfw.\n");
+        return(1);
+    }
+
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+    S32 width = 1024;
+    S32 height = 768;
+    GLFWwindow *window = glfwCreateWindow(width, height, "Depth testing.", 0, 0);
+    if (!window) {
+        fprintf(stderr, "[ERROR] Failed to create window.\n");
+        glfwTerminate();
+        return(1);
+    }
+
+    glfwMakeContextCurrent(window);
+
+    if (glewInit() != GLEW_OK) {
+        fprintf(stderr, "[ERROR] Failed to initialize glew.\n");
+        glfwTerminate();
+        return(1);
+    }
+
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    U32 shader = load_shader("shaders/depth.vert", "shaders/depth.frag");
+    U32 marble_texture = load_texture("../../data/textures/marble.jpg");
+    U32 metal_texture = load_texture("../../data/textures/metal.png");
+
+    F32 a = 0.5f;
+    F32 vertices[] = {
+        -a, -a, -a,  0.0f, 0.0f,
+        a, -a, -a,  1.0f, 0.0f,
+        a,  a, -a,  1.0f, 1.0f,
+        a,  a, -a,  1.0f, 1.0f,
+        -a,  a, -a,  0.0f, 1.0f,
+        -a, -a, -a,  0.0f, 0.0f,
+
+        -a, -a,  a,  0.0f, 0.0f,
+        a, -a,  a,  1.0f, 0.0f,
+        a,  a,  a,  1.0f, 1.0f,
+        a,  a,  a,  1.0f, 1.0f,
+        -a,  a,  a,  0.0f, 1.0f,
+        -a, -a,  a,  0.0f, 0.0f,
+
+        -a,  a,  a,  1.0f, 0.0f,
+        -a,  a, -a,  1.0f, 1.0f,
+        -a, -a, -a,  0.0f, 1.0f,
+        -a, -a, -a,  0.0f, 1.0f,
+        -a, -a,  a,  0.0f, 0.0f,
+        -a,  a,  a,  1.0f, 0.0f,
+
+        a,  a,  a,  1.0f, 0.0f,
+        a,  a, -a,  1.0f, 1.0f,
+        a, -a, -a,  0.0f, 1.0f,
+        a, -a, -a,  0.0f, 1.0f,
+        a, -a,  a,  0.0f, 0.0f,
+        a,  a,  a,  1.0f, 0.0f,
+
+        -a, -a, -a,  0.0f, 1.0f,
+        a, -a, -a,  1.0f, 1.0f,
+        a, -a,  a,  1.0f, 0.0f,
+        a, -a,  a,  1.0f, 0.0f,
+        -a, -a,  a,  0.0f, 0.0f,
+        -a, -a, -a,  0.0f, 1.0f,
+
+        -a,  a, -a,  0.0f, 1.0f,
+        a,  a, -a,  1.0f, 1.0f,
+        a,  a,  a,  1.0f, 0.0f,
+        a,  a,  a,  1.0f, 0.0f,
+        -a,  a,  a,  0.0f, 0.0f,
+        -a,  a, -a,  0.0f, 1.0f
+    };
+
+    Transform cube_positions[] = {
+        transform_default(),
+        transform_make_translate(v3f(a, 0.0f, -4*a))
+    };
+
+    V3F platform_pos = v3f(10.0f, 0.2f, 10.0f);
+    V3F platform_scale = v3f(0.0f, -(a+(a*0.2f)+0.01f), 0.0f);
+    Transform platform_transform = transform_make_scale_translate(platform_pos, platform_scale);
+
+    U32 VAO, VBO;
+    glGenVertexArrays(1, &VAO);
+    glBindVertexArray(VAO);
+    glGenBuffers(1, &VBO);
+    glBindBuffer(GL_ARRAY_BUFFER, VBO);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+    glEnableVertexAttribArray(0);
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5*sizeof(F32), (void *)0);
+    glEnableVertexAttribArray(1);
+    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5*sizeof(F32), (void *)(3*sizeof(F32)));
+    glBindVertexArray(0);
+
+    State state = {0};
+    Input input = {0};
+    state.camera = (Camera){v3f(0.0f, 0.0f, 3.0f), 90.0f, 0.1f, 100.0f, 0.0f, 0.0f};
+
+    F32 target_fps = 60.0f;
+    F32 target_spf = 1.0f/target_fps;
+    F32 last_time = glfwGetTime();
+
+    while (!glfwWindowShouldClose(window)) {
+        glfwPollEvents();
+
+        process_glfw_keyboard(window, &input);
+        glfwGetFramebufferSize(window, &width, &height);
+
+        /* INFO(pryazha): Update */
+        V3F target = v3f_zero();
+
+        if (key_first_press(input.exit))
+            glfwSetWindowShouldClose(window, GLFW_TRUE);
+
+        V3F dv = get_dv_camera_orbital(&input, state.camera.pos,
+                                       target, state.dt, 3.0f);
+        state.camera.pos = v3f_add(state.camera.pos, dv);
+
+        input_update_last_state(&input);
+
+        /* INFO(pryazha): Render */
+        MAT4 model, view, proj;
+        view = look_at(state.camera.pos, target, v3f(0.0f, 1.0f, 0.0f));
+        /* proj = ortho(-5.0f, 5.0f, -5.0f, 5.0f, 0.1f, 100.0f); */
+        proj = perspective(state.camera.fovx, (F32)width/(F32)height,
+                           state.camera.near, state.camera.far);
+
+        glViewport(0, 0, width, height);
+        glClearColor(0.15f, 0.15f, 0.15f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glUseProgram(shader);
+        shader_set_mat4fv(shader, "view", view);
+        shader_set_mat4fv(shader, "proj", proj);
+        glBindTexture(GL_TEXTURE_2D, marble_texture);
+        glBindVertexArray(VAO);
+        for (S32 i = 0; i < (S32)ArrayCount(cube_positions); ++i) {
+            model = transform_apply(cube_positions[i]);
+            shader_set_mat4fv(shader, "model", model);
+            glDrawArrays(GL_TRIANGLES, 0, 36);
+        }
+        glBindTexture(GL_TEXTURE_2D, metal_texture);
+        model = transform_apply(platform_transform);
+        shader_set_mat4fv(shader, "model", model);
+        glDrawArrays(GL_TRIANGLES, 0, 36);
+        glBindVertexArray(0);
+
+        glfwSwapBuffers(window);
+
+        F32 elapsed = glfwGetTime()-last_time;
+        if (elapsed < target_spf) {
+            U32 sleep_time = (U32)(target_spf-elapsed);
+            if (sleep_time > 0)
+                sleep(sleep_time);
+        }
+        F32 current_time = glfwGetTime();
+        state.dt = current_time-last_time;
+        last_time = current_time;
+    }
+
+    glfwTerminate();
+    return(0);
 }