implement a WTiledSprite widget (#62)

* implement a WTiledSprite widget

* tiledSprite: new constuctor, cleanup api and comments

* Update GuiTest/src/main/java/io/github/cottonmc/test/client/TestClientGui.java

Co-authored-by: Juuxel <6596629+Juuxel@users.noreply.github.com>

Co-authored-by: Juuxel <6596629+Juuxel@users.noreply.github.com>

2 files changed, 83 insertions, 2 deletions

diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WSprite.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WSprite.java
index a5555fc..c91e011 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WSprite.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WSprite.java
@@ -123,7 +123,7 @@ public class WSprite extends WWidget {
 	@Override
 	public void paint(MatrixStack matrices, int x, int y, int mouseX, int mouseY) {
 		if (singleImage) {
-			ScreenDrawing.texturedRect(x, y, getWidth(), getHeight(), frames[0], u1, v1, u2, v2, tint);
+			paintFrame(x, y, frames[0]);
 		} else {
 			//grab the system time at the very start of the frame.
 			long now = System.nanoTime() / 1_000_000L;
@@ -133,7 +133,7 @@ public class WSprite extends WWidget {
 			if (!inBounds) currentFrame = 0;
 			//assemble and draw the frame calculated last iteration.
 			Identifier currentFrameTex = frames[currentFrame];
-			ScreenDrawing.texturedRect(x, y, getWidth(), getHeight(), currentFrameTex, u1, v1, u2, v2, tint);
+			paintFrame(x, y, currentFrameTex);
 
 			//calculate how much time has elapsed since the last animation change, and change the frame if necessary.
 			long elapsed = now - lastFrame;
@@ -151,4 +151,9 @@ public class WSprite extends WWidget {
 			this.lastFrame = now;
 		}
 	}
+
+	@Environment(EnvType.CLIENT)
+	public void paintFrame(int x, int y, Identifier texture) {
+		ScreenDrawing.texturedRect(x, y, getWidth(), getHeight(), texture, u1, v1, u2, v2, tint);
+	}
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WTiledSprite.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WTiledSprite.java
new file mode 100644
index 0000000..d49074f
--- /dev/null
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WTiledSprite.java
@@ -0,0 +1,76 @@
+package io.github.cottonmc.cotton.gui.widget;
+
+import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.util.Identifier;
+
+/**
+ * A sprite whose texture will be tiled.
+ *
+ * @since 2.0.0
+ */
+public class WTiledSprite extends WSprite {
+	private int tileWidth;
+	private int tileHeight;
+
+	/**
+	 * Create a tiled sprite.
+	 * 
+	 * @param tileWidth  The width a tile
+	 * @param tileHeight The height of a tile
+	 * @param image      The image to tile
+	 */
+	public WTiledSprite(int tileWidth, int tileHeight, Identifier image) {
+		super(image);
+		this.tileWidth = tileWidth;
+		this.tileHeight = tileHeight;
+	}
+
+	/**
+	 * Create a new animated tiled sprite.
+	 *
+	 * @param tileWidth  The width a tile
+	 * @param tileHeight The height of a tile
+	 * @param frameTime  How long in milliseconds to display for. (1 tick = 50 ms)
+	 * @param frames     The locations of the frames of the animation.
+	 */
+	public WTiledSprite(int tileWidth, int tileHeight, int frameTime, Identifier... frames) {
+		super(frameTime, frames);
+		this.tileWidth = tileWidth;
+		this.tileHeight = tileHeight;
+	}
+
+	/**
+	 * Sets the tiling size. This determines how often the texture will repeat.
+	 *
+	 * @param width  the new tiling width
+	 * @param height the new tiling height
+	 */
+	public void setTileSize(int width, int height) {
+		tileWidth = width;
+		tileHeight = height;
+	}
+
+	@Environment(EnvType.CLIENT)
+	@Override
+	public void paintFrame(int x, int y, Identifier texture) {
+		// Y Direction (down)
+		for (int tileYOffset = 0; tileYOffset < height; tileYOffset += tileHeight) {
+			// X Direction (right)
+			for (int tileXOffset = 0; tileXOffset < width; tileXOffset += tileWidth) {
+				// draw the texture
+				ScreenDrawing.texturedRect(
+						// at the correct position using tileXOffset and tileYOffset
+						x + tileXOffset, y + tileYOffset,
+						// but using the set tileWidth and tileHeight instead of the full height and
+						// width
+						tileWidth, tileHeight,
+						// render the current texture
+						texture,
+						// clips the texture if wanted
+						u1, v1, u2, v2, tint);
+			}
+		}
+	}
+}