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ecsgame/main.cpp

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#include <glad/glad.h>
#include <iostream>
#include "ECS/Components/DirectionalLight.h"
#include "ECS/Components/Lines.h"
#include "ECS/Components/ObjMesh.h"
#include "ECS/Components/PathMove.h"
#include "ECS/Components/SineAnimation.h"
#include "ECS/Components/Texture.h"
#include "ECS/ECS.h"
#include "ECS/Events/InputEvent.h"
#include "ECS/Events/MouseMoveEvent.h"
#include "ECS/Systems/CollisionSystem.h"
#include "ECS/Systems/GravitySystem.h"
#include "ECS/Systems/InteractivePathSystem.h"
#include "ECS/Systems/KeyboardMovementSystem.h"
#include "ECS/Systems/MouseLookSystem.h"
#include "ECS/Systems/PathMoveSystem.h"
#include "ECS/Systems/PositionDebugSystem.h"
#include "ECS/Systems/RenderSystem.h"
#include "ECS/Systems/SineAnimationSystem.h"
#include "Rendering/Shader.h"
using namespace ECS;
World *world = World::createWorld();
static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) glfwSetWindowShouldClose(window, GLFW_TRUE);
world->emit<InputEvent>({key, action});
}
static void mouse_callback(GLFWwindow *window, double xpos, double ypos) {
world->emit<MouseMoveEvent>({xpos, ypos});
}
int main(int argc, char **argv) {
// Parse command line parameters
int aa_samples = 4;
for (int i = 0; i < argc; ++i) {
if (strcmp(argv[i], "-a") == 0) aa_samples = std::stoi(argv[i + 1]);
}
// TODO: Move this to RenderSystem?
GLFWwindow *window;
/* Initialize the library */
if (!glfwInit()) return -1;
// Anti Aliasing
glfwWindowHint(GLFW_SAMPLES, aa_samples);
/* Create a windowed mode window and its OpenGL context */
window = glfwCreateWindow(1280, 720, "ECSGame", NULL, NULL);
if (!window) {
glfwTerminate();
return -1;
}
/* Make the window's context current */
glfwMakeContextCurrent(window);
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
glfwSetCursorPosCallback(window, mouse_callback);
glfwSetKeyCallback(window, key_callback);
// glad: load all OpenGL function pointers
// ---------------------------------------
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
std::cout << "Failed to initialize GLAD" << std::endl;
return -1;
}
glEnable(GL_DEPTH_TEST);
// Transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// TODO: Could be automated by getting all classes within 'ECS/Systems'
// world->registerSystem(new GravitySystem(-9.8f));
// world->registerSystem(new PositionDebugOutputSystem());
world->registerSystem(new KeyboardMovementSystem());
world->registerSystem(new MouseLookSystem(1280, 720));
world->registerSystem(new PathMoveSystem());
world->registerSystem(new SineAnimationSystem());
world->registerSystem(new InteractivePathSystem());
// Create collision indicator
Entity *collision_point = world->create();
collision_point->assign<Transform>();
collision_point->assign<ObjMesh>(ObjMesh("Resources/sphere.obj", ObjMesh::Settings()));
collision_point->assign<Texture>("Resources/red.png", Texture::Settings(true), false);
collision_point->assign<Material>(0.1, 0.9);
CollisionSystem *collision_system = new CollisionSystem(collision_point);
world->registerSystem(collision_system);
RenderSystem *renderSystem = new RenderSystem();
world->registerSystem(renderSystem);
Entity *player = world->create();
player->assign<Transform>();
player->assign<Movement>(glm::vec3(5.f, 5.f, 5.f));
player->assign<MouseLook>(0.1);
player->assign<Camera>(70.0f, 900, 600, 0.1f, 100.0f);
player->assign<PathMove>(
3.0,
PathMove::Path(std::vector<glm::vec3>{glm::vec3(0.0, 2.0, 0.0), glm::vec3(0.0, 2.5, -1.0),
glm::vec3(0.0, 2.5, -2.0), glm::vec3(3.0, 3.0, -3.0),
glm::vec3(4.0, 2.0, -4.0), glm::vec3(3.0, 2.0, -5.0),
glm::vec3(0.0, 2.0, -10.0)}),
PathMove::Views(
std::vector<glm::quat>{glm::angleAxis(glm::radians(0.f), glm::vec3(0.f, 1.f, 0.f)),
glm::angleAxis(glm::radians(10.f), glm::vec3(0.f, 1.f, 0.f)),
glm::angleAxis(glm::radians(20.f), glm::vec3(0.f, 1.f, 0.f)),
glm::angleAxis(glm::radians(40.f), glm::vec3(0.f, 1.f, 0.f)),
glm::angleAxis(glm::radians(90.f), glm::vec3(0.f, 1.f, 0.f)),
glm::angleAxis(glm::radians(120.f), glm::vec3(0.f, 1.f, 0.f)),
glm::angleAxis(glm::radians(180.f), glm::vec3(0.f, 1.f, 0.f))}));
player->get<Transform>()->set_origin(glm::vec3(0.0, 3.0, 4.0));
Entity *monkey = world->create();
monkey->assign<Transform>();
monkey->assign<LODObjMesh>(std::vector<ObjMesh>{
ObjMesh("Resources/Monkey.obj", ObjMesh::Settings(0.0, 8.0, 0.4, 0.6)),
ObjMesh("Resources/MonkeySimple.obj", ObjMesh::Settings(8.0, 100.0, 0.4, 0.6))});
monkey->assign<Texture>("Resources/Marble010_2K_Color.jpg", Texture::Settings(true), false);
monkey->get<Texture>()->addNormalmap("Resources/Marble010_2K_Normal.jpg",
Texture::Settings(true));
monkey->assign<SineAnimation>(glm::vec3(0.0, 0.3, 0.0), 0.5);
monkey->assign<Material>(0.6, 0.6);
monkey->get<Transform>()->set_origin(glm::vec3(0.0f, 2.0f, -6.0f));
Entity *wall1 = world->create();
wall1->assign<Transform>();
wall1->assign<ObjMesh>(ObjMesh("Resources/Wall.obj", ObjMesh::Settings()));
wall1->assign<Texture>("Resources/Facade001_2K_Color.png", Texture::Settings(true), true);
wall1->get<Texture>()->addNormalmap("Resources/Facade001_2K_Normal.jpg",
Texture::Settings(true));
wall1->assign<Material>(0.2, 0.8);
wall1->get<Transform>()->set_origin(glm::vec3(0.0f, 0.0f, -2.0f));
Entity *wall2 = world->create();
wall2->assign<Transform>();
wall2->assign<ObjMesh>(ObjMesh("Resources/Wall.obj", ObjMesh::Settings()));
wall2->assign<Texture>("Resources/Facade001_2K_Color.png", Texture::Settings(true), true);
wall2->get<Texture>()->addNormalmap("Resources/Facade001_2K_Normal.jpg",
Texture::Settings(true));
wall2->assign<Material>(0.2, 0.8);
wall2->get<Transform>()->set_origin(glm::vec3(0.0f, 0.0f, -10.0f));
Entity *wall3 = world->create();
wall3->assign<Transform>();
wall3->assign<ObjMesh>(ObjMesh("Resources/Wall.obj", ObjMesh::Settings()));
wall3->assign<Texture>("Resources/Facade001_2K_Color.png", Texture::Settings(true), true);
wall3->get<Texture>()->addNormalmap("Resources/Facade001_2K_Normal.jpg",
Texture::Settings(true));
wall3->assign<Material>(0.2, 0.8);
wall3->get<Transform>()->set_origin(glm::vec3(4.0f, 0.0f, -6.0f));
wall3->get<Transform>()->rotate(90.0, glm::vec3(0.0, 1.0, 0.0));
Entity *wall4 = world->create();
wall4->assign<Transform>();
wall4->assign<ObjMesh>(ObjMesh("Resources/Wall.obj", ObjMesh::Settings()));
wall4->assign<Texture>("Resources/Facade001_2K_Color.png", Texture::Settings(true), true);
wall4->get<Texture>()->addNormalmap("Resources/Facade001_2K_Normal.jpg",
Texture::Settings(true));
wall4->assign<Material>(0.2, 0.8);
wall4->get<Transform>()->set_origin(glm::vec3(-4.0f, 0.0f, -6.0f));
wall4->get<Transform>()->rotate(90.0, glm::vec3(0.0, 1.0, 0.0));
Entity *ground = world->create();
ground->assign<Transform>();
ground->assign<ObjMesh>(ObjMesh("Resources/Ground.obj", ObjMesh::Settings()));
ground->assign<Texture>("Resources/Ground003_2K_Color.jpg", Texture::Settings(true), false);
ground->get<Texture>()->addNormalmap("Resources/Ground003_2K_Normal.jpg",
Texture::Settings(true));
ground->assign<Material>(1.0, 0.0);
ground->get<Transform>()->set_origin(glm::vec3(0.0f, 0.0f, 0.0f));
Entity *bench = world->create();
bench->assign<Transform>();
bench->assign<ObjMesh>(ObjMesh("Resources/bench.obj", ObjMesh::Settings()));
bench->assign<Texture>("Resources/Wood048_2K_Color.jpg", Texture::Settings(true), false);
bench->get<Texture>()->addNormalmap("Resources/Wood048_2K_Normal.jpg", Texture::Settings(true));
bench->assign<Material>(0.8, 0.2);
bench->get<Transform>()->set_origin(glm::vec3(8.0f, 0.0f, 0.0f));
bench->get<Transform>()->rotate(-90.0, glm::vec3(0.0, 1.0, 0.0));
Entity *ring = world->create();
ring->assign<Transform>();
ring->assign<ObjMesh>(ObjMesh("Resources/ring.obj", ObjMesh::Settings()));
ring->assign<Texture>("Resources/Metal007_2K_Color.jpg", Texture::Settings(true), false);
ring->get<Texture>()->addNormalmap("Resources/Metal007_2K_Normal.jpg", Texture::Settings(true));
ring->assign<Material>(0.1, 0.9);
ring->get<Transform>()->set_origin(glm::vec3(-5.0f, 2.0f, 0.0f));
Entity *sun = world->create();
sun->assign<DirectionalLight>(glm::normalize(glm::vec3(1.0, 1.0, 1.0)));
Entity *kdtree_vis = world->create();
// We're done loading geometry -> build the collision structure
collision_system->build();
kdtree_vis->assign<Lines>(collision_system->kdtree->get_lines());
Shader defaultShader("Shaders/default-vertex.vs", "Shaders/default-fragment.fs");
Shader shadowShader("Shaders/shadow-vertex.vs", "Shaders/shadow-fragment.fs");
Shader debugShader("Shaders/debug-vertex.vs", "Shaders/debug-fragment.fs");
Shader lineShader("Shaders/line-vertex.vs", "Shaders/line-fragment.fs");
double timeInLastFrame = glfwGetTime();
double elapsed_time = 0.0;
/* Loop until the user closes the window */
while (!glfwWindowShouldClose(window)) {
// Delta time handling
double delta = glfwGetTime() - timeInLastFrame;
timeInLastFrame = glfwGetTime();
elapsed_time += delta;
world->tick(delta);
renderSystem->render(world, defaultShader, shadowShader, debugShader, lineShader);
/* ring->get<Transform>()->rotate(delta * 100.0, glm::vec3(0.0, 1.0, 0.0));
sun->get<DirectionalLight>()->direction = glm::normalize(glm::vec3(
glm::rotate(glm::mat4(1), (float)elapsed_time * 0.5f, glm::vec3(0.0, 1.0, 0.0))
* glm::vec4(1.0, 1.0, 1.0, 0.0))); */
/* Swap front and back buffers */
glfwSwapBuffers(window);
/* Poll for and process events */
glfwPollEvents();
}
glfwTerminate();
return 0;
}
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