From 1316ee560bfa4380dbf8768a7da353e39e0a999f Mon Sep 17 00:00:00 2001
From: DaniTheSkunk <noreply@danitheskunk.com>
Date: Sun, 18 Sep 2022 03:00:54 +0200
Subject: [PATCH] implemented loadTextureArray (for tilesets)

---
 Test.java                                 |  7 +++++++
 com/danitheskunk/skunkworks/GLWindow.java | 25 +++++++++++++++++++++++
 com/danitheskunk/skunkworks/IWindow.java  |  4 ++++
 3 files changed, 36 insertions(+)

diff --git a/Test.java b/Test.java
index 301d950..aa3bb97 100644
--- a/Test.java
+++ b/Test.java
@@ -1,4 +1,5 @@
 import com.danitheskunk.skunkworks.*;
+import org.w3c.dom.css.Rect;
 
 public class Test {
 	public static void main(String[] args) {
@@ -7,6 +8,7 @@ public class Test {
 		var img2 = engine.loadImage("C:\\art\\pixel stuff.png");
 		var img = engine.loadImage("C:\\Users\\dani\\Videos\\Screenshot 2022-06-25 17-00-59.png");
 		var tex2 = window.loadTexture("C:\\art\\pixel stuff.png");
+		var tileset = window.loadTextureArray("C:\\stream\\coding\\rlc\\tilemap.png", new Vec2i(16, 16));
 		//img.drawImage(img2, Vec2i.ZERO);
 		var tex = window.loadTexture(img);
 
@@ -25,6 +27,11 @@ public class Test {
 				new Recti(new Vec2i(200, 100), tex2.getSize()),
 				tex2
 			);
+
+			renderContext.drawTextureRectangle(
+				new Recti(new Vec2i(400, 400), new Vec2i(16, 16)),
+				tileset.get(0x30)
+			);
 			window.renderFinish(renderContext);
 		}
 	}
diff --git a/com/danitheskunk/skunkworks/GLWindow.java b/com/danitheskunk/skunkworks/GLWindow.java
index ea99176..c38ed57 100644
--- a/com/danitheskunk/skunkworks/GLWindow.java
+++ b/com/danitheskunk/skunkworks/GLWindow.java
@@ -5,6 +5,9 @@ import org.lwjgl.opengl.GL;
 import org.lwjgl.opengl.GL11;
 import org.lwjgl.stb.STBRectPack;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import static org.lwjgl.glfw.GLFW.*;
 import static org.lwjgl.opengl.GL11.*;
 import static org.lwjgl.system.MemoryUtil.NULL;
@@ -59,6 +62,28 @@ public class GLWindow implements IWindow {
 		return textureAtlas.addTexture(img);
 	}
 
+	@Override
+	public List<ITexture> loadTextureArray(Image image, Vec2i tileSize) {
+		var tileCount = Vec2i.div(image.getSize(), tileSize);
+		var tiles = new ArrayList<ITexture>();
+
+		for(int y = 0; y < tileCount.getY(); ++y) {
+			for(int x = 0; x < tileCount.getX(); ++x) {
+				var rect = new Recti(Vec2i.mul(new Vec2i(x, y), tileSize), tileSize);
+				var img = image.getSubImage(rect);
+				tiles.add(loadTexture(img));
+			}
+		}
+
+		return tiles;
+	}
+
+	@Override
+	public List<ITexture> loadTextureArray(String path, Vec2i tileSize) {
+		var img = engine.loadImage(path);
+		return loadTextureArray(img, tileSize);
+	}
+
 	@Override
 	public void renderFinish(IRenderContext context) {
 		glEnd();
diff --git a/com/danitheskunk/skunkworks/IWindow.java b/com/danitheskunk/skunkworks/IWindow.java
index 48eb205..2d473ae 100644
--- a/com/danitheskunk/skunkworks/IWindow.java
+++ b/com/danitheskunk/skunkworks/IWindow.java
@@ -1,8 +1,12 @@
 package com.danitheskunk.skunkworks;
 
+import java.util.List;
+
 public interface IWindow {
 	ITexture loadTexture(Image image);
 	ITexture loadTexture(String path);
+	List<ITexture> loadTextureArray(Image image, Vec2i tileSize);
+	List<ITexture> loadTextureArray(String path, Vec2i tileSize);
 	void renderFinish(IRenderContext context);
 	IRenderContext renderStart();
 	boolean shouldClose();