Figure out how to resize a framebuffer (just fucking delete all attachments and rebuild them lol). Remove render_manager from main.cpp. Move game logic out of main to make it less cluttered. Remove unused audio functions from main.cpp.

include/game_state.hpp

@@ -1,6 +1,6 @@
 /**
 	This file is a part of our_dick
-	Copyright (C) 2020 r0nk
+	Copyright (C) 2020 r0nk, rexy712
 
 	This program is free software: you can redistribute it and/or modify
 	it under the terms of the GNU Affero General Public License as published by
@@ -26,4 +26,13 @@ struct game_state {
 	char board[TILE_COUNT];
 };
 
+
+int get_player_input();
+int check_win_condition(const game_state& gs, char player);
+void display_game_state(const game_state& gs);
+void player_turn(game_state& gs, char player, int input);
+void game_turn(game_state& gs,int player_input);
+int exists_empty_tile(const game_state& gs);
+
+
 #endif

include/graphics/fbo.hpp

@@ -23,6 +23,8 @@
 #include "gl_buffers.hpp"
 #include "texture.hpp"
 #include "rbo.hpp"
+#include "math/vec.hpp"
+#include "util/init_constants.hpp"
 
 namespace gfx{
 
@@ -33,6 +35,7 @@ namespace gfx{
 
 	public:
 		fbo();
+		fbo(util::no_initialize_t);
 		fbo(const fbo&) = delete;
 		fbo(fbo&& f);
 		~fbo();
@@ -46,6 +49,13 @@ namespace gfx{
 		bool attach(const texture& tex, GLenum point);
 		bool attach(const rbo& r, GLenum point);
 
+		void clear_color_buffer(const math::vec4<GLfloat>& color = {0.0f, 0.0f, 0.0f, 1.0f});
+		void clear_depth_buffer(GLfloat value = 1.0f);
+		void clear_stencil_buffer(GLint value = 0);
+		void clear(GLbitfield mask);
+
+		void set_viewport(GLfloat x, GLfloat y, GLfloat w, GLfloat h);
+
 		bool bind()const;
 		bool bind(gl_frame_buffer_manager& b)const;
 	};

include/graphics/rbo.hpp

@@ -48,6 +48,8 @@ namespace gfx{
 		void resize(GLsizei w, GLsizei h);
 		void reformat(GLenum format);
 
+		GLuint release();
+
 		GLsizei get_width()const;
 		GLsizei get_height()const;
 	};

include/graphics/window.hpp

@@ -21,6 +21,8 @@
 
 #include "gl_include.hpp"
 #include "math/math.hpp"
+#include "util/init_constants.hpp"
+#include "fbo.hpp"
 
 namespace gfx{
 
@@ -42,6 +44,7 @@ namespace gfx{
 
 	private:
 		GLFWwindow* m_window = nullptr;
+		fbo m_root_fbo{util::no_initialize};
 		char* m_title = nullptr;
 		int m_antialias_level = 0;
 		int m_refresh_rate = GLFW_DONT_CARE;
@@ -68,6 +71,9 @@ namespace gfx{
 
 		void destroy();
 
+		fbo& framebuffer();
+		const fbo& framebuffer()const;
+
 		void set_size(const vec2<int>&);
 		void set_size(int w, int h);
 		void set_width(int w);

include/math/mat.hpp

@@ -62,7 +62,7 @@ namespace math{
 		//Value initializing constructors
 		constexpr explicit matrix_base(value_type v);
 		template<typename... Args>
-		constexpr explicit matrix_base(Args&&... args);
+		constexpr matrix_base(Args&&... args);
 
 		//Copying constructors
 		constexpr matrix_base(const matrix_base&) = default;

include/render.hpp

@@ -32,7 +32,7 @@ class render_manager
 {
 private:
 	static inline bool s_initialized = false;
-private:
+public:
 	using close_callback = void(*)(void);
 	using input_callback = void(*)(GLFWwindow*, int, int, int, int);
 	close_callback m_window_close_callback;

include/util/init_constants.hpp

@@ -0,0 +1,29 @@
+/**
+	This file is a part of our_dick
+	Copyright (C) 2020 rexy712
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef OUR_DICK_UTIL_INIT_CONSTANTS_HPP
+#define OUR_DICK_UTIL_INIT_CONSTANTS_HPP
+
+namespace util{
+
+	struct no_initialize_t{};
+	static constexpr no_initialize_t no_initialize;
+
+}
+
+#endif

src/graphics/fbo.cpp

@@ -19,12 +19,15 @@
 #include "graphics/fbo.hpp"
 #include <utility> //swap, exchange
 #include "graphics/scoped_buffer_bind.hpp"
+#include "config.hpp"
 
 namespace gfx{
 
 	fbo::fbo(){
 		glCreateFramebuffers(1, &m_buffer);
 	}
+	fbo::fbo(util::no_initialize_t):
+		m_buffer(0){}
 	fbo::fbo(fbo&& f):
 		m_buffer(std::exchange(f.m_buffer, 0)){}
 	fbo::~fbo(){
@@ -54,6 +57,32 @@ namespace gfx{
 		return true;
 	}
 
+	void fbo::clear_color_buffer(const math::vec4<GLfloat>& color){
+		glClearNamedFramebufferfv(m_buffer, GL_COLOR, 0, &color[0]);
+	}
+	void fbo::clear_depth_buffer(GLfloat value){
+		glClearNamedFramebufferfv(m_buffer, GL_DEPTH, 0, &value);
+	}
+	void fbo::clear_stencil_buffer(GLint value){
+		glClearNamedFramebufferiv(m_buffer, GL_STENCIL, 0, &value);
+	}
+	void fbo::clear(GLbitfield bits){
+		static constexpr GLfloat zeros[4] = {0, 0, 0, 1};
+		static constexpr GLint zero = 0;
+		if(bits & GL_COLOR_BUFFER_BIT){
+			glClearNamedFramebufferfv(m_buffer, GL_COLOR, 0, zeros);
+		}
+		if(bits & GL_DEPTH_BUFFER_BIT){
+			glClearNamedFramebufferfv(m_buffer, GL_DEPTH, 0, zeros);
+		}
+		if(bits & GL_STENCIL_BUFFER_BIT){
+			glClearNamedFramebufferiv(m_buffer, GL_STENCIL, 0, &zero);
+		}
+	}
+
+	void fbo::set_viewport(GLfloat x, GLfloat y, GLfloat w, GLfloat h){
+		glViewportIndexedf(m_buffer, x, y, w, h);
+	}
 	bool fbo::bind()const{
 		glBindFramebuffer(GL_FRAMEBUFFER, m_buffer);
 		return true;

src/graphics/rbo.cpp

@@ -67,6 +67,10 @@ namespace gfx{
 		*this = rbo(m_width, m_height, format);
 	}
 
+	GLuint rbo::release(){
+		return std::exchange(m_buffer, 0);
+	}
+
 	GLsizei rbo::get_width()const{
 		return m_width;
 	}

src/graphics/window.cpp

@@ -189,6 +189,9 @@ static void enable_opengl_debug_context(){
 #ifdef OUR_DICK_ENABLE_DEBUG_OUTPUT
 		enable_opengl_debug_context();
 #endif
+		glfwMakeContextCurrent(m_window);
+		m_root_fbo.set_viewport(0, 0, width, height);
+
 		set_swap_interval(m_swap_interval);
 
 		glfwMakeContextCurrent(current_context);
@@ -238,6 +241,9 @@ static void enable_opengl_debug_context(){
 		enable_opengl_debug_context();
 #endif
 
+		glfwMakeContextCurrent(m_window);
+		m_root_fbo.set_viewport(0, 0, size.x(), size.y());
+
 		set_swap_interval(w.m_swap_interval);
 		set_pos(w.get_pos());
 		set_visible(w.is_visible());
@@ -294,6 +300,12 @@ static void enable_opengl_debug_context(){
 		delete[] m_title;
 		m_title = nullptr;
 	}
+	fbo& window::framebuffer(){
+		return m_root_fbo;
+	}
+	const fbo& window::framebuffer()const{
+		return m_root_fbo;
+	}
 
 	void window::set_size(const vec2<int>& v){
 		set_size(v.x(), v.y());

src/logic.cpp

@@ -0,0 +1,98 @@
+/**
+	This file is a part of our_dick
+	Copyright (C) 2020 r0nk
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+//	0 | 1 | 2
+//	---------
+//	3 | 4 | 5
+//	---------
+//	6 | 7 | 8
+
+#include "game_state.hpp"
+
+#include <cstdlib> //rand
+#include <cstdio> //printf, fprintf
+
+
+#define TILE_COUNT 9
+
+int get_player_input(){
+	//TODO get player input
+	return rand() % 9;
+}
+
+int check_win_condition(const game_state& gs, char player){
+	int i;
+	for(i = 0 ; i < 3; i++){
+		//rows
+		if(gs.board[(i*3)] == player && gs.board[(i*3)+1] == player && gs.board[(i*3)+2] == player)
+			return 1;
+		//column
+		if(gs.board[i] == player && gs.board[i+3] == player && gs.board[i+6] == player)
+			return 1;
+	}
+	if(gs.board[0] == player && gs.board[4] == player && gs.board[8] == player)
+		return 1;
+	if(gs.board[2] == player && gs.board[4] == player && gs.board[6] == player)
+		return 1;
+
+	return 0;
+}
+
+void display_game_state(const game_state& gs){
+	printf("turn %i:\n", gs.turn);
+	for(int i = 0; i < 3; i++){
+		for(int j = 0; j < 3; j++){
+			if(gs.board[(i*3)+j])
+				printf("%c", gs.board[(i*3)+j]);
+			else
+				printf("_");
+		}
+		printf("\n");
+	}
+}
+
+void player_turn(game_state& gs, char player, int input){
+	if(input > TILE_COUNT && input < 0)
+		fprintf(stderr,"ERR: player input not in range.");
+	if(!gs.board[input])
+		gs.board[input] = player;
+	if(check_win_condition(gs, player)){
+		printf("player %c wins!\n", player);
+		gs.turn = -1;
+	}
+}
+
+void game_turn(game_state& gs,int player_input){
+	gs.turn++;
+	player_turn(gs, 'O', player_input);
+	display_game_state(gs);
+	if(gs.turn == -1)
+		return;
+	player_turn(gs, 'X', rand() % TILE_COUNT);
+	display_game_state(gs);
+}
+
+int exists_empty_tile(const game_state& gs){
+	int i;
+	for(i = 0; i < TILE_COUNT; i++)
+		if(!gs.board[i])
+			return 1;
+	return 0;
+}
+
+

src/main.cpp

@@ -16,144 +16,30 @@
 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include <cstdio>
 #include <cstdlib>
 #include <ctime>
-#include <filesystem>
-#include <string>
-#include <thread>
-#include <chrono>
-#include <atomic>
 
-#include "render.hpp"
 #include "game_state.hpp"
-#include "math/math.hpp"
-#include "math/debug.hpp"
 #include "config.hpp"
-#include "audio/sndrd.hpp"
-#include "audio/mixdata.hpp"
-#include "audio/mixer.hpp"
 
 #include "graphics/vao.hpp"
 #include "graphics/vbo.hpp"
-#include "graphics/shader.hpp"
 #include "graphics/shader_program.hpp"
 #include "graphics/fbo.hpp"
+#include "graphics/window.hpp"
 
 #include "engine/camera.hpp"
 
-//	0 | 1 | 2
-//	---------
-//	3 | 4 | 5
-//	---------
-//	6 | 7 | 8
-
-#define TILE_COUNT 9
-
-int get_player_input(){
-	//TODO get player input
-	return rand() % 9;
-}
-
-int check_win_condition(const game_state& gs, char player){
-	int i;
-	for(i = 0 ; i < 3; i++){
-		//rows
-		if(gs.board[(i*3)] == player && gs.board[(i*3)+1] == player && gs.board[(i*3)+2] == player)
-			return 1;
-		//column
-		if(gs.board[i] == player && gs.board[i+3] == player && gs.board[i+6] == player)
-			return 1;
-	}
-	if(gs.board[0] == player && gs.board[4] == player && gs.board[8] == player)
-		return 1;
-	if(gs.board[2] == player && gs.board[4] == player && gs.board[6] == player)
-		return 1;
-
-	return 0;
-}
-
-void display_game_state(const game_state& gs){
-	printf("turn %i:\n", gs.turn);
-	for(int i = 0; i < 3; i++){
-		for(int j = 0; j < 3; j++){
-			if(gs.board[(i*3)+j])
-				printf("%c", gs.board[(i*3)+j]);
-			else
-				printf("_");
-		}
-		printf("\n");
-	}
-}
-
-void player_turn(game_state& gs, char player, int input){
-	if(input > TILE_COUNT && input < 0)
-		fprintf(stderr,"ERR: player input not in range.");
-	if(!gs.board[input])
-		gs.board[input] = player;
-	if(check_win_condition(gs, player)){
-		printf("player %c wins!\n", player);
-		gs.turn = -1;
-	}
-}
-
-void game_turn(game_state& gs,int player_input){
-	gs.turn++;
-	player_turn(gs, 'O', player_input);
-	display_game_state(gs);
-	if(gs.turn == -1)
-		return;
-	player_turn(gs, 'X', rand() % TILE_COUNT);
-	display_game_state(gs);
-}
-
-int exists_empty_tile(const game_state& gs){
-	int i;
-	for(i = 0; i < TILE_COUNT; i++)
-		if(!gs.board[i])
-			return 1;
-	return 0;
-}
-
-void handle_window_close(){
-	debug_print("[II] Window close event triggered\n");
-}
-
 void handle_input_events(GLFWwindow* window, int key, int, int, int){
 	debug_print("[II] Recieved keycode %d\n", key);
 	if(key == 256)
 		glfwSetWindowShouldClose(window, GLFW_TRUE);
 }
-
-sfx::mixchunk read_audio_file(const char* filename){
-	debug_print("Reading in %s\n", filename);
-	sfx::sndrd f(filename, sfx::sndrd::mode::r);
-	if(!f.valid()){
-		return {};
-	}
-	return f.read_all();
+void handle_resize_event(GLFWwindow*, int width, int height){
+	debug_print("Window resized to %dx%d\n", width, height);
+	glViewportIndexedf(0, 0, 0, width, height);
 }
-std::string select_audio_file(){
-	namespace fs = std::filesystem;
 
-	size_t filecnt = 0;
-	for(fs::directory_iterator i("assets/moans"); i != fs::directory_iterator(); ++i){
-		fs::directory_entry e = *i;
-		if(!e.is_directory())
-			++filecnt;
-	}
-
-	size_t selection = rand() % filecnt;
-	for(fs::directory_iterator i("assets/moans");i != fs::directory_iterator();++i){
-		fs::directory_entry e = *i;
-		if(selection == 0){
-			return e.path().native();
-		}
-		if(!e.is_directory())
-			--selection;
-	}
-	return {};
-}
 
 gfx::shader_program create_example_shader(){
 	static constexpr const char vertex_source[] = "#version 330 core\n"
@@ -228,7 +114,7 @@ gfx::shader_program create_screen_shader(){
 
 	                                                 "uniform sampler2D fbtexture;"
 	                                                 "void main(){"
-	                                                     "FragColor = mix(vec4(1,0,0,1),texture(fbtexture, frag_tex_coords), 0.8);"
+	                                                     "FragColor = mix(vec4(1,0,0,1),texture(fbtexture, frag_tex_coords), 0.9);"
 	                                                 "}";
 	gfx::shader_program prog;
 	gfx::shader vert(vertex_source, gfx::shader::type::VERTEX);
@@ -292,17 +178,18 @@ int main(){
 	game_state gs = {};
 
 	//window testing setup
-	render_manager manager(640, 480, "Tic-Tac-Gugh");
-	manager.handle_window_close_event(handle_window_close);
-	manager.handle_keypress_event(handle_input_events);
+	gfx::window window(4, 5, 640, 480, "Tic-Tac-Gugh");
+	glfwSetKeyCallback(window.raw(), handle_input_events); //TODO
+	glfwSetFramebufferSizeCallback(window.raw(), handle_resize_event);
+	window.make_current();
+	window.set_visible(true);
 
 	//fbo setup
 	gfx::fbo fbo;
 	gfx::rbo rbo(640, 480, GL_DEPTH24_STENCIL8);
-	gfx::texture tex(GL_RGB, 640, 480, GL_UNSIGNED_BYTE);
+	gfx::texture tex(GL_RGBA, 640, 480, GL_UNSIGNED_BYTE);
 	fbo.attach(rbo, GL_DEPTH_STENCIL_ATTACHMENT);
 	fbo.attach(tex, GL_COLOR_ATTACHMENT0);
-	glClearColor(0, 0, 0, 1);
 
 	//create our gl objects for rendering to the fbo
 	gfx::vbo normal_vbo(sizeof(GLfloat) * 27, gfx::vbo::usage::STATIC_DRAW);
@@ -352,22 +239,41 @@ int main(){
 	attrib.associate_with(0);
 	attrib.enable();
 
-	while(!manager.should_close()){
-		//render using program 'prog' with data from 'vao'
+	int stored_width = window.get_width(), stored_height = window.get_height();
+	while(!window.should_close()){
+
+		//Workaround for resize callback just to see if this worked
+		if(stored_width  != window.get_width() ||
+		   stored_height != window.get_height())
+		{
+			stored_width = window.get_width();
+			stored_height = window.get_height();
+			fbo.detach(GL_DEPTH_STENCIL_ATTACHMENT);
+			fbo.detach(GL_COLOR_ATTACHMENT0);
+			fbo = gfx::fbo();
+			rbo = gfx::rbo(stored_width, stored_height, GL_DEPTH24_STENCIL8);
+			tex = gfx::texture(GL_RGBA, stored_width, stored_height, GL_UNSIGNED_BYTE);
+			fbo.attach(rbo, GL_DEPTH_STENCIL_ATTACHMENT);
+			fbo.attach(tex, GL_COLOR_ATTACHMENT0);
+			debug_print("%dx%d\n", window.get_width(), window.get_height());
+		}
 		fbo.bind();
 		glEnable(GL_DEPTH_TEST);
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+		fbo.clear_color_buffer();
+		fbo.clear_depth_buffer();
 		normal_shader.use();
 		normal_vao.bind();
 		glDrawArrays(GL_POINTS, 0, 9);
 
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		window.framebuffer().bind();
 		glDisable(GL_DEPTH_TEST);
 		screen_shader.use();
 		screen_shader.set_uniform("fbtexture", tex, 0);
 		screen_vao.bind();
 		glDrawArrays(GL_TRIANGLES, 0, 6);
-		manager.update();
+
+		window.swap_buffers();
+		glfwPollEvents();
 	}
 
 	while(exists_empty_tile(gs) && gs.turn != -1){

src/render.cpp

@@ -25,7 +25,7 @@
 namespace{
 	void handle_resize_event(GLFWwindow*, int width, int height){
 		debug_print("Window resized\n");
-		glViewport(0, 0, width, height);
+		glViewportIndexedf(0, 0, 0, width, height);
 	}
 }
 
@@ -36,7 +36,7 @@ render_manager::render_manager(int width, int height, const char* title):
 	m_main_window(width, height, title)
 {
 	m_main_window.make_current();
-	glViewport(0, 0, width, height);
+	glViewportIndexedf(0, 0, 0, width, height);
 	glClearColor(0, 0, 0, 1);
 	glfwSetFramebufferSizeCallback(m_main_window, handle_resize_event);
 	m_main_window.set_visible(true);
@@ -48,7 +48,7 @@ bool render_manager::should_close()const{
 
 void render_manager::update(){
 	m_main_window.swap_buffers();
-	glClear(GL_COLOR_BUFFER_BIT);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	glfwPollEvents();
 }