103 lines
2.7 KiB
Java
103 lines
2.7 KiB
Java
package org.hirw.game;
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import static org.lwjgl.glfw.Callbacks.*;
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import static org.lwjgl.glfw.GLFW.*;
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import static org.lwjgl.opengl.GL11.*;
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import static org.lwjgl.system.MemoryUtil.*;
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import org.lwjgl.Version;
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import org.lwjgl.glfw.*;
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import org.lwjgl.opengl.*;
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public class Window {
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private int width, height;
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private final String title;
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private long glfwWindow;
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private static Window window = null;
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private Window() {
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this.width = 1280;
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this.height = 720;
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this.title = "game";
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}
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public static Window get() {
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if (Window.window == null) {
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Window.window = new Window();
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}
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return Window.window;
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}
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public void blastOff() {
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setup();
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loop();
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cleanUp();
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}
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private void logVersion() {
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System.out.println("LWJGL Version: " + Version.getVersion());
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}
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private void setup() {
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logVersion();
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GLFWErrorCallback.createPrint(System.err).set();
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if (!glfwInit()) throw new IllegalStateException("Unable to initialize GLFW");
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glfwDefaultWindowHints();
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glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
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glfwWindow = glfwCreateWindow(this.width, this.height, "Hello World!", NULL, NULL);
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if (glfwWindow == NULL) throw new RuntimeException("Failed to create the GLFW window");
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// glfwSetKeyCallback(
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// glfwWindow,
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// (glfwWindow, key, scancode, action, mods) -> {
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// if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE)
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// glfwSetWindowShouldClose(glfwWindow, true);
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// });
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//
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// try (MemoryStack stack = stackPush()) {
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// IntBuffer pWidth = stack.mallocInt(1);
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// IntBuffer pHeight = stack.mallocInt(1);
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// glfwGetWindowSize(glfwWindow, pWidth, pHeight);
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// GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
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// }
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glfwSetCursorPosCallback(glfwWindow, Mouse::cursorPositionCallback);
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glfwSetMouseButtonCallback(glfwWindow, Mouse::mouseButtonCallback);
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glfwSetKeyCallback(glfwWindow, Keyboard::keyCallback);
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glfwSetWindowTitle(glfwWindow, this.title);
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glfwMakeContextCurrent(glfwWindow);
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glfwSwapInterval(1);
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glfwShowWindow(glfwWindow);
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GL.createCapabilities();
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glClearColor(1.0f, 0.0f, 2.0f, 0.0f);
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}
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private void loop() {
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while (!glfwWindowShouldClose(glfwWindow)) {
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if (Mouse.isPressed(Mouse.Buttons.LEFT)) {
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System.out.println("LEFT CLICKED");
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glfwSwapBuffers(glfwWindow);
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glfwPollEvents();
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}
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}
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private void cleanUp() {
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glfwFreeCallbacks(glfwWindow);
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glfwDestroyWindow(glfwWindow);
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glfwTerminate();
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glfwSetErrorCallback(null).free();
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}
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}
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