From 82dd72b15c0d58066d6143323f4ab418edc4787c Mon Sep 17 00:00:00 2001
From: DaniTheSkunk <>
Date: Mon, 7 Nov 2022 23:17:09 +0000
Subject: [PATCH] mouse button input working

---
 com/danitheskunk/skunkworks/IWindow.java      |  2 ++
 com/danitheskunk/skunkworks/Test.java         |  6 +++-
 .../skunkworks/backends/gl/Window.java        | 31 +++++++++++++++++--
 3 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/com/danitheskunk/skunkworks/IWindow.java b/com/danitheskunk/skunkworks/IWindow.java
index 7d28643..6439c7d 100644
--- a/com/danitheskunk/skunkworks/IWindow.java
+++ b/com/danitheskunk/skunkworks/IWindow.java
@@ -41,5 +41,7 @@ public interface IWindow {
 
 	boolean isMouseClicked(int button);
 
+	boolean isMouseDown(int button);
+
 	void tick();
 }
diff --git a/com/danitheskunk/skunkworks/Test.java b/com/danitheskunk/skunkworks/Test.java
index 95f0b8f..2ce317e 100644
--- a/com/danitheskunk/skunkworks/Test.java
+++ b/com/danitheskunk/skunkworks/Test.java
@@ -63,6 +63,10 @@ public class Test extends BaseGame {
 	protected void update(double delta) {
 		var mouse = window.getMousePos();
 		term.clear(Color.BLACK);
-		term.setBackgroundColor(Vec2i.div(mouse, term.getFullCharSize()), Color.GREEN);
+		var col = window.isMouseDown(0) ? Color.RED : Color.GREEN;
+		term.setBackgroundColor(Vec2i.div(mouse, term.getFullCharSize()), col);
+		if(window.isMouseClicked(1)) {
+			System.out.println("right click");
+		}
 	}
 }
diff --git a/com/danitheskunk/skunkworks/backends/gl/Window.java b/com/danitheskunk/skunkworks/backends/gl/Window.java
index 372ce95..c3ba0f0 100644
--- a/com/danitheskunk/skunkworks/backends/gl/Window.java
+++ b/com/danitheskunk/skunkworks/backends/gl/Window.java
@@ -9,6 +9,7 @@ import org.lwjgl.opengl.GL;
 import org.lwjgl.opengl.GL11;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import static org.lwjgl.glfw.GLFW.*;
@@ -77,6 +78,8 @@ public class Window extends BaseWindow {
 	private boolean shouldClose;
 	private final int framebuffer;
 	private final int framebufferTex;
+	private boolean[] stateMouseClicked;
+	private boolean[] stateMouseDown;
 
 	public Window(Vec2i size, String title, Engine engine) {
 		super(engine);
@@ -89,6 +92,9 @@ public class Window extends BaseWindow {
 		this.size = size;
 		this.windowSize = size;
 
+		this.stateMouseClicked = new boolean[8];
+		this.stateMouseDown = new boolean[8];
+
 		window = glfwCreateWindow(size.getX(), size.getY(), title, NULL, NULL);
 		if(window == NULL) throw new RuntimeException(
 			"Failed to create GLFW window");
@@ -107,6 +113,7 @@ public class Window extends BaseWindow {
 		glEnable(GL_BLEND);
 
 		glfwSetWindowSizeCallback(window, this::windowSizeCallback);
+		glfwSetMouseButtonCallback(window, this::mouseButtonCallback);
 
 
 		framebuffer = glGenFramebuffers();
@@ -156,6 +163,20 @@ public class Window extends BaseWindow {
 		System.out.println(GL11.glGetInteger(GL_MAX_TEXTURE_SIZE));
 	}
 
+	private void mouseButtonCallback(
+		long window, int button, int action, int mods
+	) {
+		switch(action) {
+			case GLFW_PRESS -> {
+				this.stateMouseClicked[button] = true;
+				this.stateMouseDown[button] = true;
+			}
+			case GLFW_RELEASE -> {
+				this.stateMouseDown[button] = false;
+			}
+		}
+	}
+
 	private void windowSizeCallback(long window, int width, int height) {
 		System.out.printf("new window size %d x %d\n", width, height);
 		windowSize = new Vec2i(width, height);
@@ -356,17 +377,23 @@ public class Window extends BaseWindow {
 
 	@Override
 	public boolean isMouseClicked(int button) {
-		return false;
+		return this.stateMouseClicked[button];
 	}
 
 	@Override
-	public void tick() {
+	public boolean isMouseDown(int button) {
+		return this.stateMouseDown[button];
+	}
+
+	@Override
+	public void tick() { //one tick per update call?
 		glfwMakeContextCurrent(window);
 		if(glfwWindowShouldClose(window)) {
 			shouldClose = true;
 			return;
 		}
 
+		Arrays.fill(stateMouseClicked, false);
 		glfwPollEvents();
 	}
 }