* KREBOLAIDS
This commit is contained in:
commit
7a42e49c2c
16 changed files with 568 additions and 245 deletions
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@ -1,4 +1,9 @@
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Klassische Kepler Kriege
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===
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========================
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Game based on NewtonWars (https://github.com/Draradech/NewtonWars), rewritten in C++ with some more fancy OpenGL shitz.
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dependencies
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------------
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libepoxy-dev
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@ -10,7 +10,6 @@ set(GAME_SRC
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glclasses.cpp
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renderer.cpp
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game_window.cpp
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triangle_window.cpp
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util.cpp
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game.cpp
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@ -6,8 +6,7 @@
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#include <cmath>
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Game::Game()
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{
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Game::Game() {
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// advance simulation with 100 Hz
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m_time_step = 1.0 / 100.0;
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m_time_for_next_step = 0.0;
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@ -19,16 +18,15 @@ Game::Game()
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m_state->addPlayer(1);
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m_state->addPlayer(2);
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m_state->addPlayer(3);
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//m_state->addPlayer(2);
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// m_state->addPlayer(2);
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}
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bool Game::cycle(float dt)
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{
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bool Game::cycle(float dt) {
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static float acc = 0.0;
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acc += dt;
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float spawnInterval = 0.1;
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while(acc > spawnInterval) {
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while (acc > spawnInterval) {
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acc -= spawnInterval;
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float a = 2.0 * M_PI * util::randf_0_1();
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@ -38,27 +36,28 @@ bool Game::cycle(float dt)
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#if 1
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if (dt >= 10.0) {
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//std::cout<<"time to big: " << dt << std::endl;
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// std::cout<<"time to big: " << dt << std::endl;
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dt = m_time_step;
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}
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//std::cout<<"adding dt: " << dt << std::endl;
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// std::cout<<"adding dt: " << dt << std::endl;
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m_time_for_next_step += dt;
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int steps = 0;
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while(m_time_for_next_step >= m_time_step) {
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//std::cout<<"time now: " << m_time_for_next_step << std::endl;
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while (m_time_for_next_step >= m_time_step) {
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// std::cout<<"time now: " << m_time_for_next_step << std::endl;
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m_time_for_next_step -= m_time_step;
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m_state->advance(m_time_step);
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steps++;
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}
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//std::cout << m_time_for_next_step << " s remaining time, " << steps << " steps taken." << std::endl;
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// std::cout << m_time_for_next_step << " s remaining time, " << steps << "
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// steps taken." << std::endl;
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return true;
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#else
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(void) dt;
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(void)dt;
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m_state->advance(dt);
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@ -3,7 +3,7 @@
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#include "state/state.hpp"
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class Game {
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public:
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public:
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Game();
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// main method of the game. run this regulary
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@ -13,7 +13,7 @@ public:
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// for rendering
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const game::State *state() const { return m_state; }
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private:
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private:
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game::State *m_state;
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float m_time_for_next_step;
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@ -12,8 +12,8 @@
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#include "state/ship.hpp"
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class GameWindow : public endofthejedi::GLWindow {
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private:
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protected:
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private:
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protected:
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void init() override {
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glClearColor(0.5f, 0.6f, 0.7f, 1.0f);
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resize();
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@ -22,16 +22,16 @@ protected:
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}
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void render(double time) override {
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//static bool once = false;
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//if (!once) {
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// static bool once = false;
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// if (!once) {
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// once = true;
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// for (int i=0; i<1000; i++) {
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// m_game.cycle(time);
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// }
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//}
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if (!m_game.cycle(static_cast<float>(time/1000000000.0))) {
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std::cout<<"stopping the game..." << std::endl;
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if (!m_game.cycle(static_cast<float>(time / 1000000000.0))) {
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std::cout << "stopping the game..." << std::endl;
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stop();
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}
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@ -54,36 +54,35 @@ protected:
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void resize() override { glViewport(0, 0, getwidth(), getheight()); }
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void drawShip(const glm::vec2 &pos)
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{
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//std::cout<<"draw ship @ " << pos.x << ", " << pos.y << std::endl;
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void drawShip(const glm::vec2 &pos) {
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// std::cout<<"draw ship @ " << pos.x << ", " << pos.y << std::endl;
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glm::vec3 color = glm::vec3(0.2, 1.0, 0.3);
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float radius = m_game.state()->shipRadius();
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m_renderer.drawCircle(pos.x, pos.y, radius, color.x, color.y, color.z, 12);
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m_renderer.drawCircle(pos.x, pos.y, radius, color.x, color.y, color.z,
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12);
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}
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void drawPlanet(const glm::vec2 &pos, float radius)
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{
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void drawPlanet(const glm::vec2 &pos, float radius) {
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glm::vec3 color = glm::vec3(0.7, 0.1, 0.2);
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//std::cout<<"draw planet @ " << pos.x << ", " << pos.y << std::endl;
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m_renderer.drawCircle(pos.x, pos.y, radius, color.x, color.y, color.z, 32);
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// std::cout<<"draw planet @ " << pos.x << ", " << pos.y << std::endl;
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m_renderer.drawCircle(pos.x, pos.y, radius, color.x, color.y, color.z,
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32);
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}
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void drawMissile(const glm::vec2 &pos)
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{
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void drawMissile(const glm::vec2 &pos) {
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glm::vec3 color = glm::vec3(1.0, 1.0, 0.3);
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m_renderer.drawCircle(pos.x, pos.y, 0.005, color.x, color.y, color.z, 5);
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m_renderer.drawCircle(pos.x, pos.y, 0.005, color.x, color.y, color.z,
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5);
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}
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public:
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public:
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GameWindow(unsigned int width, unsigned int height)
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: endofthejedi::GLWindow(width, height) {}
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private:
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Game m_game;
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private:
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Game m_game;
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endofthejedi::Renderer m_renderer;
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};
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@ -1,5 +1,8 @@
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#include "glclasses.hpp"
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#include <iostream>
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#include <vector>
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endofthejedi::VAO::VAO() { glGenVertexArrays(1, &m_name); }
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endofthejedi::VAO::~VAO() { glDeleteVertexArrays(1, &m_name); }
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@ -9,31 +12,44 @@ void endofthejedi::VAO::bind() { glBindVertexArray(m_name); }
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void endofthejedi::VAO::fill(GLuint index, GLint size, GLenum type,
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GLboolean normalized, GLsizei stride,
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const GLvoid *pointer) {
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glEnableVertexAttribArray(index);
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glVertexAttribPointer(index, size, GL_FLOAT, normalized, stride, pointer);
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glEnableVertexAttribArray(index);
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glVertexAttribPointer(index, size, GL_FLOAT, normalized, stride, pointer);
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}
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endofthejedi::Shader::Shader() {
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m_program = glCreateProgram();
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}
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endofthejedi::Shader::Shader() { m_program = glCreateProgram(); }
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endofthejedi::Shader::~Shader() {}
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void endofthejedi::Shader::bind() {
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glUseProgram(m_program);
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bool endofthejedi::Shader::check() {
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GLint len = 0;
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GLint result = 0;
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glGetProgramiv(m_program, GL_LINK_STATUS, &result);
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glGetProgramiv(m_program, GL_INFO_LOG_LENGTH, &len);
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if (len > 1) {
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char* error = (char*)malloc(len);
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glGetProgramInfoLog(m_program, len, NULL, error);
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std::string str(error);
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std::cout << str << "\n";
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}
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return (bool)result;
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}
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void endofthejedi::Shader::unbind() {
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glUseProgram(0);
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}
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bool endofthejedi::Shader::checkShader() { return false; }
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void endofthejedi::Shader::bind() { glUseProgram(m_program); }
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void endofthejedi::Shader::unbind() { glUseProgram(0); }
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void endofthejedi::Shader::load(std::string path, GLenum shadertype) {
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GLuint cheddar = glCreateShader(shadertype);
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const char* cheddardata = path.c_str();
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glShaderSource(cheddar, 1, &cheddardata, NULL);
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glCompileShader(cheddar);
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glAttachShader(m_program, cheddar);
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glLinkProgram(m_program);
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glDeleteShader(cheddar);
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GLuint cheddar = glCreateShader(shadertype);
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const char *cheddardata = path.c_str();
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glShaderSource(cheddar, 1, &cheddardata, NULL);
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glCompileShader(cheddar);
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glAttachShader(m_program, cheddar);
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glLinkProgram(m_program);
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glDeleteShader(cheddar);
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check();
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}
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@ -8,51 +8,55 @@
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namespace endofthejedi {
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template <GLenum T> class BufferObject {
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private:
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GLuint m_name;
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GLvoid* m_mappointer;
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protected:
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public:
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BufferObject();
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~BufferObject();
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void bind();
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void bind(GLuint index, GLintptr offset = 0, GLsizeiptr size = 0);
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void fill(GLenum usage, GLsizei size = 0, GLvoid* data = NULL);
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void subfill(GLintptr offset, GLsizei size, const GLvoid* data);
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void map(GLenum access);
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void unmap();
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private:
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GLuint m_name;
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GLvoid *m_mappointer;
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protected:
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public:
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BufferObject();
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~BufferObject();
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void bind();
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void bind(GLuint index, GLintptr offset = 0, GLsizeiptr size = 0);
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void fill(GLenum usage, GLsizei size = 0, GLvoid *data = NULL);
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void subfill(GLintptr offset, GLsizei size, const GLvoid *data);
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void map(GLenum access);
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void unmap();
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};
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typedef BufferObject<GL_ARRAY_BUFFER> VBO;
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typedef BufferObject<GL_ELEMENT_ARRAY_BUFFER> IBO;
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class VAO {
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private:
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GLuint m_name;
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protected:
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public:
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VAO();
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~VAO();
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void bind();
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void fill(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride = 0, const GLvoid* pointer = NULL);
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private:
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GLuint m_name;
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protected:
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public:
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VAO();
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~VAO();
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void bind();
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void fill(GLuint index, GLint size, GLenum type, GLboolean normalized,
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GLsizei stride = 0, const GLvoid *pointer = NULL);
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};
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class Shader {
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private:
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GLuint m_program;
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protected:
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public:
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Shader();
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~Shader();
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void bind();
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void unbind();
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void load(std::string data, GLenum shadertype);
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};
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class Shader {
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private:
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GLuint m_program;
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bool check();
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bool checkShader();
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protected:
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public:
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Shader();
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~Shader();
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void bind();
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void unbind();
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void load(std::string data, GLenum shadertype);
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};
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}
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#define TBufferObject_(pre, post) \
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template <GLenum T> pre endofthejedi::BufferObject<T>::post
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#define TBufferObject_(pre, post) \
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template <GLenum T> pre endofthejedi::BufferObject<T>::post
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#define TBufferObject(...) TBufferObject_(__VA_ARGS__)
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TBufferObject(, BufferObject)() { glGenBuffers(1, &m_name); }
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@ -62,22 +66,22 @@ TBufferObject(, ~BufferObject)() { glDeleteBuffers(1, &m_name); }
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TBufferObject(void, bind)() { glBindBuffer(T, m_name); }
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TBufferObject(void, bind)(GLuint index, GLintptr offset, GLsizeiptr size) {
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// todo
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// todo
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}
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TBufferObject(void, fill)(GLenum usage, GLsizei size, GLvoid *data) {
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glBufferData(T, size, data, usage);
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glBufferData(T, size, data, usage);
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}
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TBufferObject(void, subfill)(GLintptr offset, GLsizei size,
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const GLvoid *data) {
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glBufferSubData(T, offset, size, data);
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glBufferSubData(T, offset, size, data);
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}
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TBufferObject(void, map)(GLenum access) {
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// todo
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// todo
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}
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TBufferObject(void, unmap)() {
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// todo
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// todo
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}
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|
|
|
@ -1,12 +1,62 @@
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#include "opengl.hpp"
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#include <iostream>
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#include <getopt.h>
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#include "game_window.hpp"
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#include "options.hpp"
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int main(int argc, const char *argv[]) {
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GameWindow window(500, 500);
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window.set_maxfps(60.0);
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window.loop();
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window.stop();
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|
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using namespace std;
|
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|
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int main(int argc, char *argv[]) {
|
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|
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char c;
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|
||||
static struct option long_options[] =
|
||||
{
|
||||
/* These options set a flag. */
|
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// {"verbose", no_argument, &verbose_flag, 1},
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// {"brief", no_argument, &verbose_flag, 0},
|
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/* These options don’t set a flag.
|
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We distinguish them by their indices. */
|
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// {"add", no_argument, 0, 'a'},
|
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// {"append", no_argument, 0, 'b'},
|
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// {"delete", required_argument, 0, 'd'},
|
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// {"create", required_argument, 0, 'c'},
|
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{"fps", no_argument, 0, 'f'},
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{0, 0, 0, 0}
|
||||
};
|
||||
|
||||
int option_index = 0;
|
||||
|
||||
while(1){
|
||||
c = getopt_long (argc, argv, "abc:d:f",
|
||||
long_options, &option_index);
|
||||
if (c == -1)
|
||||
break;
|
||||
|
||||
switch (c)
|
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{
|
||||
case 'f':
|
||||
SET_FLAG(SHOW_FPS,true);
|
||||
break;
|
||||
/*case 'c':
|
||||
cvalue = optarg;
|
||||
break;
|
||||
*/
|
||||
|
||||
case '?':
|
||||
/* getopt_long already printed an error message. */
|
||||
break;
|
||||
|
||||
default:
|
||||
abort();
|
||||
}
|
||||
}
|
||||
|
||||
GameWindow window(500, 500);
|
||||
window.set_maxfps(60.0);
|
||||
window.loop();
|
||||
window.stop();
|
||||
}
|
||||
|
|
234
game/main.fs
Normal file
234
game/main.fs
Normal file
|
@ -0,0 +1,234 @@
|
|||
R"raw_string(
|
||||
#version 120
|
||||
|
||||
struct intersection
|
||||
{
|
||||
bool intersected;
|
||||
vec3 point;
|
||||
vec3 normal;
|
||||
vec3 color;
|
||||
float reflection;
|
||||
int idx;
|
||||
//todo different types
|
||||
};
|
||||
|
||||
varying vec2 outvertex;
|
||||
|
||||
//settings
|
||||
uniform float aspectratio;
|
||||
uniform float time;
|
||||
uniform int supersamples;
|
||||
uniform int reflections;
|
||||
uniform bool shadows;
|
||||
uniform vec3 backgroundcolor;
|
||||
|
||||
//light
|
||||
uniform vec3 l_position;
|
||||
uniform float l_radius;
|
||||
|
||||
//spheres
|
||||
//todo ubo?
|
||||
uniform int s_length;
|
||||
uniform vec3 s_positions[100];
|
||||
uniform float s_radii[100];
|
||||
uniform vec4 s_colors[100];
|
||||
uniform float s_reflections[100];
|
||||
|
||||
const float PI = 3.14159265359;
|
||||
|
||||
//din = german industrial normal
|
||||
float light_diffuse(vec3 pos, vec3 din)
|
||||
{
|
||||
vec3 l_dir = normalize(l_position - pos);
|
||||
return max(dot(l_dir, din), 0.0f);
|
||||
}
|
||||
|
||||
//adapted from https://wiki.delphigl.com/index.php/shader_ConeVolumeShadow
|
||||
float light_shadow(vec3 pos)
|
||||
{
|
||||
float s = 1.0f;
|
||||
|
||||
for(int l = 0; l < s_length; l++)
|
||||
{
|
||||
vec3 s_pos = s_positions[l];
|
||||
float s_rad = s_radii[l];
|
||||
|
||||
// project fragment (pos) on the cone axis => F_
|
||||
vec3 nvLO = s_pos - l_position;
|
||||
float dLO = length(nvLO);
|
||||
nvLO /= dLO;
|
||||
vec3 vLF = pos - l_position;
|
||||
float dLF_ = dot(vLF, nvLO);
|
||||
if (dLF_ < dLO) {
|
||||
// fragment before occluder => no shadow
|
||||
continue;
|
||||
}
|
||||
vec3 F_ = l_position + dLF_ * nvLO;
|
||||
float rF = distance(F_, pos);
|
||||
|
||||
// compute outer and inner radius at F_
|
||||
float rF_outer = (s_rad + l_radius) * (dLF_ / dLO) - l_radius;
|
||||
if (rF >= rF_outer) {
|
||||
// outside the outer cone => no shadow
|
||||
continue;
|
||||
}
|
||||
float rF_inner = (s_rad - l_radius) * (dLF_ / dLO) + l_radius;
|
||||
if (rF_inner >= rF) {
|
||||
// inside the inner cone => full shadow
|
||||
return 0.0;
|
||||
}
|
||||
else if (rF_inner >= 0.0 || rF >= -rF_inner) {
|
||||
// soft shadow, linear interpolation
|
||||
s *= (rF - rF_inner) / (rF_outer - rF_inner);
|
||||
}
|
||||
else {
|
||||
// light from both sides of the occluder
|
||||
s *= (-2.0*rF_inner) / (rF_outer - rF_inner);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
intersection intersect_sphere(vec3 r_pos, vec3 r_dir, vec3 s_pos, float s_rad, inout float minimum)
|
||||
{
|
||||
intersection result = intersection(false,vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f), 0.0f, -1);
|
||||
|
||||
vec3 v = r_pos - s_pos;
|
||||
float a = dot(r_pos, r_pos);
|
||||
float b = dot(v, r_dir);
|
||||
float c = dot(v, v) - (s_rad * s_rad);
|
||||
float d = b * b - c;
|
||||
|
||||
if(d >= 0)
|
||||
{
|
||||
float w1 = -b - sqrt(d);
|
||||
float w2 = -b + sqrt(d);
|
||||
|
||||
if(w1 > 0.0f || w2 > 0.0f)
|
||||
{
|
||||
float w = min(w1, w2);
|
||||
float o = max(w1, w2);
|
||||
|
||||
if(w1 <= 0.0f)
|
||||
w = w2;
|
||||
else
|
||||
if(w2 <= 0.0f)
|
||||
w = w1;
|
||||
|
||||
if(w < minimum)
|
||||
{
|
||||
minimum = w;
|
||||
}
|
||||
else
|
||||
{
|
||||
return intersection(false,vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f), 0.0f, -1);
|
||||
}
|
||||
|
||||
vec3 p = r_pos + (w * r_dir);
|
||||
result.intersected = true;
|
||||
result.point = p;
|
||||
result.normal = normalize((p - s_pos) / s_rad);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
intersection intersect(vec3 r_pos, vec3 r_dir, int idx)
|
||||
{
|
||||
intersection result = intersection(false,vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f), 0.0f, -1);
|
||||
float minimum = 1000.0f;
|
||||
|
||||
for(int l = 0; l < s_length; l++)
|
||||
{
|
||||
if(idx == l)
|
||||
continue;
|
||||
|
||||
float maximum;
|
||||
|
||||
intersection r = intersect_sphere(r_pos, r_dir, s_positions[l], s_radii[l], minimum);
|
||||
if(r.intersected)
|
||||
{
|
||||
r.color = s_colors[l].rgb;
|
||||
r.idx = l;
|
||||
r.reflection = s_reflections[l];
|
||||
|
||||
result = r;
|
||||
}
|
||||
//todo other geometric objects
|
||||
//todo handle min with other geometric objects
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
vec3 cast_ray(vec3 r_pos, vec3 r_pixel)
|
||||
{
|
||||
vec3 r_dir = normalize(r_pixel - r_pos);
|
||||
|
||||
vec3 color = backgroundcolor;
|
||||
|
||||
intersection i = intersection(false,vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f),
|
||||
vec3(0.0f, 0.0f, 0.0f), 0.0f, -1);
|
||||
|
||||
vec3 p = r_pos;
|
||||
vec3 d = r_dir;
|
||||
int idx = -1;
|
||||
|
||||
for(int bounce = 0; bounce < reflections; bounce++)
|
||||
{
|
||||
intersection i = intersect(p,d, idx);
|
||||
|
||||
if(i.intersected)
|
||||
{
|
||||
float l_factor = light_diffuse(i.point, i.normal);
|
||||
|
||||
if(shadows && l_factor > 0.004f)
|
||||
{
|
||||
l_factor *= light_shadow(i.point);
|
||||
}
|
||||
|
||||
if(bounce == 0)
|
||||
{
|
||||
color = i.color * l_factor;
|
||||
}
|
||||
else
|
||||
{
|
||||
color = mix(color, color * i.color * l_factor, i.reflection);
|
||||
}
|
||||
|
||||
//d = 2*(dot(p, i.normal))*i.normal - p;
|
||||
d = reflect(-p, i.normal);
|
||||
p = i.point;
|
||||
idx = i.idx;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
return color;
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
vec2 rp = outvertex;
|
||||
rp.x = rp.x * aspectratio;
|
||||
vec4 outcolor = vec4(cast_ray(vec3(0.0f, 0.0f, 1.0f), vec3(rp, 0.0f)), 0.0f);
|
||||
for(int supersample = 1; supersample < supersamples; supersample++)
|
||||
{
|
||||
outcolor = mix(outcolor, vec4(cast_ray(vec3(sin(supersample * PI/supersamples)/200, cos(supersample * PI/supersamples)/200, 1.0f), vec3(rp, 0.0f)), 0.0f), 0.5f);
|
||||
}
|
||||
gl_FragColor = outcolor;
|
||||
}
|
||||
|
||||
)raw_string"
|
13
game/main.vs
Normal file
13
game/main.vs
Normal file
|
@ -0,0 +1,13 @@
|
|||
R"raw_string(
|
||||
#version 120
|
||||
|
||||
attribute vec2 invertex;
|
||||
varying vec2 outvertex;
|
||||
|
||||
void main() {
|
||||
gl_Position.xy = invertex;
|
||||
gl_Position.zw = vec2(0.0f, 1.0);
|
||||
outvertex = invertex;
|
||||
}
|
||||
|
||||
)raw_string"
|
183
game/opengl.cpp
183
game/opengl.cpp
|
@ -3,136 +3,139 @@
|
|||
#include <iostream>
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
#include "options.hpp"
|
||||
|
||||
#define UNUSED(foo) (void)foo;
|
||||
#define UNUSED(foo) (void) foo;
|
||||
|
||||
timespec diff(timespec start, timespec end) {
|
||||
timespec result;
|
||||
if ((end.tv_nsec - start.tv_nsec) < 0) {
|
||||
result.tv_sec = end.tv_sec - start.tv_sec - 1;
|
||||
result.tv_nsec = 1000000000 + end.tv_nsec - start.tv_nsec;
|
||||
} else {
|
||||
result.tv_sec = end.tv_sec - start.tv_sec;
|
||||
result.tv_nsec = end.tv_nsec - start.tv_nsec;
|
||||
}
|
||||
return result;
|
||||
timespec result;
|
||||
if ((end.tv_nsec - start.tv_nsec) < 0) {
|
||||
result.tv_sec = end.tv_sec - start.tv_sec - 1;
|
||||
result.tv_nsec = 1000000000 + end.tv_nsec - start.tv_nsec;
|
||||
} else {
|
||||
result.tv_sec = end.tv_sec - start.tv_sec;
|
||||
result.tv_nsec = end.tv_nsec - start.tv_nsec;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
endofthejedi::GLWindow::GLWindow(unsigned int width, unsigned int height)
|
||||
: m_width(width), m_height(height) {
|
||||
m_display = XOpenDisplay(NULL);
|
||||
m_display = XOpenDisplay(NULL);
|
||||
|
||||
if (m_display == NULL) {
|
||||
throw std::runtime_error("XOpenDisplay NULL");
|
||||
}
|
||||
if (m_display == NULL) {
|
||||
throw std::runtime_error("XOpenDisplay NULL");
|
||||
}
|
||||
|
||||
m_rootwnd = DefaultRootWindow(m_display);
|
||||
m_rootwnd = DefaultRootWindow(m_display);
|
||||
|
||||
m_visualinfo = glXChooseVisual(m_display, 0, m_attributes);
|
||||
m_visualinfo = glXChooseVisual(m_display, 0, m_attributes);
|
||||
|
||||
if (m_visualinfo == NULL) {
|
||||
throw std::runtime_error("glXChooseVisual NULL");
|
||||
}
|
||||
if (m_visualinfo == NULL) {
|
||||
throw std::runtime_error("glXChooseVisual NULL");
|
||||
}
|
||||
|
||||
m_colormap =
|
||||
XCreateColormap(m_display, m_rootwnd, m_visualinfo->visual, AllocNone);
|
||||
m_colormap =
|
||||
XCreateColormap(m_display, m_rootwnd, m_visualinfo->visual, AllocNone);
|
||||
|
||||
m_swa.colormap = m_colormap;
|
||||
m_swa.event_mask = ExposureMask | KeyPressMask;
|
||||
m_swa.colormap = m_colormap;
|
||||
m_swa.event_mask = ExposureMask | KeyPressMask;
|
||||
|
||||
m_window = XCreateWindow(
|
||||
m_display, m_rootwnd, 0, 0, width, height, 0, m_visualinfo->depth,
|
||||
InputOutput, m_visualinfo->visual, CWColormap | CWEventMask, &m_swa);
|
||||
m_window = XCreateWindow(
|
||||
m_display, m_rootwnd, 0, 0, width, height, 0, m_visualinfo->depth,
|
||||
InputOutput, m_visualinfo->visual, CWColormap | CWEventMask, &m_swa);
|
||||
|
||||
m_atomWmDeleteWindow = XInternAtom(m_display, "WM_DELETE_WINDOW", False);
|
||||
XSetWMProtocols(m_display, m_window, &m_atomWmDeleteWindow, 1);
|
||||
m_atomWmDeleteWindow = XInternAtom(m_display, "WM_DELETE_WINDOW", False);
|
||||
XSetWMProtocols(m_display, m_window, &m_atomWmDeleteWindow, 1);
|
||||
|
||||
XMapWindow(m_display, m_window);
|
||||
XStoreName(m_display, m_window, "NAME");
|
||||
XMapWindow(m_display, m_window);
|
||||
XStoreName(m_display, m_window, "NAME");
|
||||
|
||||
m_glcontext = glXCreateContext(m_display, m_visualinfo, NULL, GL_TRUE);
|
||||
m_glcontext = glXCreateContext(m_display, m_visualinfo, NULL, GL_TRUE);
|
||||
|
||||
XSync(m_display, False);
|
||||
XSync(m_display, False);
|
||||
|
||||
glXMakeCurrent(m_display, m_window, m_glcontext);
|
||||
glXMakeCurrent(m_display, m_window, m_glcontext);
|
||||
|
||||
std::cout << "GL Renderer: " << glGetString(GL_RENDERER) << "\n";
|
||||
std::cout << "GL Version: " << glGetString(GL_VERSION) << "\n";
|
||||
std::cout << "GLSL Version: " << glGetString(GL_SHADING_LANGUAGE_VERSION)
|
||||
<< "\n";
|
||||
std::cout << "GL Renderer: " << glGetString(GL_RENDERER) << "\n";
|
||||
std::cout << "GL Version: " << glGetString(GL_VERSION) << "\n";
|
||||
std::cout << "GLSL Version: " << glGetString(GL_SHADING_LANGUAGE_VERSION)
|
||||
<< "\n";
|
||||
|
||||
init();
|
||||
init();
|
||||
|
||||
XClearWindow(m_display, m_window);
|
||||
XMapRaised(m_display, m_window);
|
||||
XClearWindow(m_display, m_window);
|
||||
XMapRaised(m_display, m_window);
|
||||
}
|
||||
|
||||
endofthejedi::GLWindow::~GLWindow() {
|
||||
glXMakeCurrent(m_display, None, NULL);
|
||||
glXDestroyContext(m_display, m_glcontext);
|
||||
XFree(m_visualinfo);
|
||||
XDestroyWindow(m_display, m_window);
|
||||
XCloseDisplay(m_display);
|
||||
glXMakeCurrent(m_display, None, NULL);
|
||||
glXDestroyContext(m_display, m_glcontext);
|
||||
XFree(m_visualinfo);
|
||||
XDestroyWindow(m_display, m_window);
|
||||
XCloseDisplay(m_display);
|
||||
}
|
||||
|
||||
void endofthejedi::GLWindow::handleevents() {
|
||||
if (XPending(m_display) > 0) {
|
||||
XEvent xev;
|
||||
XNextEvent(m_display, &xev);
|
||||
handle(xev);
|
||||
}
|
||||
if (XPending(m_display) > 0) {
|
||||
XEvent xev;
|
||||
XNextEvent(m_display, &xev);
|
||||
handle(xev);
|
||||
}
|
||||
}
|
||||
|
||||
void endofthejedi::GLWindow::handle(XEvent event) {
|
||||
if (event.type == Expose) {
|
||||
XWindowAttributes attribs;
|
||||
XGetWindowAttributes(m_display, m_window, &attribs);
|
||||
m_width = attribs.width;
|
||||
m_height = attribs.height;
|
||||
resize();
|
||||
} else if (event.type == ClientMessage) {
|
||||
if (event.xclient.data.l[0] == m_atomWmDeleteWindow) {
|
||||
stop();
|
||||
if (event.type == Expose) {
|
||||
XWindowAttributes attribs;
|
||||
XGetWindowAttributes(m_display, m_window, &attribs);
|
||||
m_width = attribs.width;
|
||||
m_height = attribs.height;
|
||||
resize();
|
||||
} else if (event.type == ClientMessage) {
|
||||
if (event.xclient.data.l[0] == m_atomWmDeleteWindow) {
|
||||
stop();
|
||||
}
|
||||
} else if (event.type == DestroyNotify) {
|
||||
stop();
|
||||
}
|
||||
} else if (event.type == DestroyNotify) {
|
||||
stop();
|
||||
}
|
||||
}
|
||||
|
||||
void endofthejedi::GLWindow::swap() { glXSwapBuffers(m_display, m_window); }
|
||||
|
||||
void endofthejedi::GLWindow::loop() {
|
||||
m_running = true;
|
||||
|
||||
timespec prev;
|
||||
timespec current;
|
||||
clock_gettime(CLOCK_MONOTONIC_RAW, &prev);
|
||||
clock_gettime(CLOCK_MONOTONIC_RAW, ¤t);
|
||||
|
||||
double delta = 0.0;
|
||||
double sleeptime = 0.0;
|
||||
|
||||
while (m_running) {
|
||||
handleevents();
|
||||
render(delta);
|
||||
swap();
|
||||
|
||||
if (m_maxfps > 0) {
|
||||
sleeptime = ((1000000000.0/m_maxfps) - delta) + sleeptime;
|
||||
if (sleeptime > 0.0) {
|
||||
usleep((unsigned int)(sleeptime/1000.0));
|
||||
sleeptime = sleeptime - (unsigned int)(sleeptime/1000.0);
|
||||
}
|
||||
}
|
||||
m_running = true;
|
||||
|
||||
timespec prev;
|
||||
timespec current;
|
||||
clock_gettime(CLOCK_MONOTONIC_RAW, &prev);
|
||||
clock_gettime(CLOCK_MONOTONIC_RAW, ¤t);
|
||||
delta = diff(prev, current).tv_nsec;
|
||||
prev = current;
|
||||
if(delta > 0.0) {
|
||||
m_fps = (1000000000.0/delta);
|
||||
std::cout << m_fps << "\n";
|
||||
|
||||
double delta = 0.0;
|
||||
double sleeptime = 0.0;
|
||||
|
||||
while (m_running) {
|
||||
handleevents();
|
||||
render(delta);
|
||||
swap();
|
||||
|
||||
if (m_maxfps > 0) {
|
||||
sleeptime = ((1000000000.0 / m_maxfps) - delta) + sleeptime;
|
||||
if (sleeptime > 0.0) {
|
||||
usleep((unsigned int)(sleeptime / 1000.0));
|
||||
sleeptime = sleeptime - (unsigned int)(sleeptime / 1000.0);
|
||||
}
|
||||
}
|
||||
|
||||
clock_gettime(CLOCK_MONOTONIC_RAW, ¤t);
|
||||
delta = diff(prev, current).tv_nsec;
|
||||
prev = current;
|
||||
if (delta > 0.0) {
|
||||
m_fps = (1000000000.0 / delta);
|
||||
if (ISSET_FLAG(SHOW_FPS)) {
|
||||
std::cout << m_fps << "\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void endofthejedi::GLWindow::stop() { m_running = false; }
|
||||
|
|
22
game/options.hpp
Normal file
22
game/options.hpp
Normal file
|
@ -0,0 +1,22 @@
|
|||
#pragma once
|
||||
|
||||
#define TEST_FLAG1 0
|
||||
#define SHOW_FPS 1
|
||||
#define TEST_FLAG2 2
|
||||
//...
|
||||
|
||||
|
||||
|
||||
|
||||
#define SET_FLAG(x,y) optionsFlags&=(~((1)<<x));optionsFlags|=((y&1)<<x)
|
||||
#define ISSET_FLAG(x) (optionsFlags&((1)<<x))
|
||||
uint64_t optionsFlags;
|
||||
|
||||
/*
|
||||
* usage:
|
||||
* SET_FLAG(SHOW_FPS,true);
|
||||
*
|
||||
* if(ISSET_FLAG(SHOW_FPS)){
|
||||
* ...
|
||||
* }
|
||||
*/
|
|
@ -1,18 +1,32 @@
|
|||
#include "renderer.hpp"
|
||||
|
||||
endofthejedi::Renderer::Renderer() {
|
||||
static const char *vss =
|
||||
#include "main.vs"
|
||||
;
|
||||
static const char *fss =
|
||||
#include "main.fs"
|
||||
;
|
||||
|
||||
endofthejedi::Renderer::Renderer() {
|
||||
m_shader.load(vss, GL_VERTEX_SHADER);
|
||||
m_shader.load(fss, GL_FRAGMENT_SHADER);
|
||||
}
|
||||
|
||||
endofthejedi::Renderer::~Renderer() {}
|
||||
|
||||
void endofthejedi::Renderer::render() {
|
||||
m_shader.bind();
|
||||
|
||||
}
|
||||
|
||||
void endofthejedi::Renderer::drawCircle(float x, float y, float radius, float r,
|
||||
float g, float b, int numSides) {
|
||||
glBegin(GL_TRIANGLE_FAN);
|
||||
glVertex2f(x, y); // center of circle
|
||||
for (int i = 0; i <= numSides; i++) {
|
||||
glColor3f(r,g,b);
|
||||
glVertex2f(x + (radius * cos(i * 2 * M_PI / numSides)), y + (radius * sin(i * 2 * M_PI / numSides)));
|
||||
}
|
||||
glEnd();
|
||||
glBegin(GL_TRIANGLE_FAN);
|
||||
glVertex2f(x, y); // center of circle
|
||||
for (int i = 0; i <= numSides; i++) {
|
||||
glColor3f(r, g, b);
|
||||
glVertex2f(x + (radius * cos(i * 2 * M_PI / numSides)),
|
||||
y + (radius * sin(i * 2 * M_PI / numSides)));
|
||||
}
|
||||
glEnd();
|
||||
}
|
||||
|
|
|
@ -10,16 +10,17 @@
|
|||
namespace endofthejedi {
|
||||
|
||||
class Renderer {
|
||||
private:
|
||||
VBO m_vbo;
|
||||
VAO m_vao;
|
||||
Shader m_shader;
|
||||
protected:
|
||||
public:
|
||||
Renderer();
|
||||
~Renderer();
|
||||
void drawCircle(float x, float y, float radius, float r,
|
||||
float g, float b, int numSides=12);
|
||||
};
|
||||
private:
|
||||
VBO m_vbo;
|
||||
VAO m_vao;
|
||||
Shader m_shader;
|
||||
|
||||
protected:
|
||||
public:
|
||||
Renderer();
|
||||
~Renderer();
|
||||
void render();
|
||||
void drawCircle(float x, float y, float radius, float r, float g, float b,
|
||||
int numSides = 12);
|
||||
};
|
||||
}
|
||||
|
|
|
@ -1,36 +0,0 @@
|
|||
#pragma once
|
||||
|
||||
#include "opengl.hpp"
|
||||
|
||||
class TriangleWindow : public endofthejedi::GLWindow {
|
||||
private:
|
||||
protected:
|
||||
void init() override {
|
||||
glClearColor(0.5f, 0.6f, 0.7f, 1.0f);
|
||||
resize();
|
||||
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
}
|
||||
void render(double time) override {
|
||||
(void) time;
|
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
|
||||
glBegin(GL_TRIANGLES);
|
||||
glColor3f(1.0f, 0.0f, 0.0f);
|
||||
glVertex3f(0.0f, -1.0f, 0.0f);
|
||||
glColor3f(0.0f, 1.0f, 0.0f);
|
||||
glVertex3f(-1.0f, 1.0f, 0.0f);
|
||||
glColor3f(0.0f, 0.0f, 1.0f);
|
||||
glVertex3f(1.0f, 1.0f, 0.0f);
|
||||
glEnd();
|
||||
}
|
||||
void resize() override { glViewport(0, 0, getwidth(), getheight()); }
|
||||
|
||||
public:
|
||||
TriangleWindow(unsigned int width, unsigned int height)
|
||||
: endofthejedi::GLWindow(width, height)
|
||||
{
|
||||
}
|
||||
};
|
||||
|
Loading…
Reference in a new issue