143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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#include <iostream>
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#include "Rendering/Shader.h"
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#include "ECS/ECS.h"
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#include "ECS/Events/InputEvent.h"
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#include "ECS/Systems/GravitySystem.h"
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#include "ECS/Systems/PositionDebugSystem.h"
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#include "ECS/Systems/KeyboardMovementSystem.h"
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#include "ECS/Systems/RenderSystem.h"
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using namespace ECS;
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World *world = World::createWorld();
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static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
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if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
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glfwSetWindowShouldClose(window, GLFW_TRUE);
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world->emit<InputEvent>({key, action});
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}
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int main() {
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GLFWwindow *window;
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/* Initialize the library */
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if (!glfwInit())
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return -1;
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/* Create a windowed mode window and its OpenGL context */
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window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
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if (!window) {
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glfwTerminate();
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return -1;
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}
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/* Make the window's context current */
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glfwMakeContextCurrent(window);
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glfwSetKeyCallback(window, key_callback);
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// glad: load all OpenGL function pointers
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// ---------------------------------------
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if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
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{
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std::cout << "Failed to initialize GLAD" << std::endl;
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return -1;
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}
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glEnable(GL_DEPTH_TEST);
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// TODO: Could be automated by getting all classes within 'ECS/Systems'
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// world->registerSystem(new GravitySystem(-9.8f));
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world->registerSystem(new PositionDebugOutputSystem());
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world->registerSystem(new KeyboardMovementSystem());
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RenderSystem* renderSystem = new RenderSystem();
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world->registerSystem(renderSystem);
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Entity *player = world->create();
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player->assign<Transform>();
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player->assign<Movement>(glm::vec3(1.f, 1.f, 1.f));
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player->assign<Camera>(70.0f, 640, 480, 0.1f, 100.0f);
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Entity *box = world->create();
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box->assign<Transform>();
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box->assign<Mesh>(std::vector<float>{
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-0.5f, -0.5f, -0.5f, 0.0f, 0.0f,
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0.5f, -0.5f, -0.5f, 1.0f, 0.0f,
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0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
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0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
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-0.5f, 0.5f, -0.5f, 0.0f, 1.0f,
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-0.5f, -0.5f, -0.5f, 0.0f, 0.0f,
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-0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
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0.5f, -0.5f, 0.5f, 1.0f, 0.0f,
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0.5f, 0.5f, 0.5f, 1.0f, 1.0f,
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0.5f, 0.5f, 0.5f, 1.0f, 1.0f,
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-0.5f, 0.5f, 0.5f, 0.0f, 1.0f,
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-0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
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-0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
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-0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
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-0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
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-0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
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-0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
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-0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
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0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
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0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
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0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
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0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
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0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
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0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
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-0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
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0.5f, -0.5f, -0.5f, 1.0f, 1.0f,
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0.5f, -0.5f, 0.5f, 1.0f, 0.0f,
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0.5f, -0.5f, 0.5f, 1.0f, 0.0f,
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-0.5f, -0.5f, 0.5f, 0.0f, 0.0f,
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-0.5f, -0.5f, -0.5f, 0.0f, 1.0f,
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-0.5f, 0.5f, -0.5f, 0.0f, 1.0f,
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0.5f, 0.5f, -0.5f, 1.0f, 1.0f,
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0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
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0.5f, 0.5f, 0.5f, 1.0f, 0.0f,
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-0.5f, 0.5f, 0.5f, 0.0f, 0.0f,
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-0.5f, 0.5f, -0.5f, 0.0f, 1.0f
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});
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box->get<Transform>()->translate(glm::vec3(0.0f, 0.0f, -10.0f));
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Shader defaultShader("Shaders/default-vertex.vs", "Shaders/default-fragment.fs");
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double timeInLastFrame = glfwGetTime();
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double elapsed_time = 0.0;
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/* Loop until the user closes the window */
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while (!glfwWindowShouldClose(window)) {
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// Delta time handling
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double delta = glfwGetTime() - timeInLastFrame;
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timeInLastFrame = glfwGetTime();
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elapsed_time += delta;
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std::cout << "Elapsed time: " << elapsed_time << std::endl;
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world->tick(delta);
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renderSystem->render(world, defaultShader);
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/* Swap front and back buffers */
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glfwSwapBuffers(window);
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/* Poll for and process events */
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glfwPollEvents();
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}
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glfwTerminate();
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return 0;
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}
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