added max width wrapping in NodeText

com/danitheskunk/skunkworks/TestNode.java

@@ -10,6 +10,7 @@ public class TestNode extends BaseGame {
 	private final ISample kick;
 	private final NodeSprite sprite;
 	private final NodeText text;
+	private final NodeText text2;
 	float[] axes;
 
 	public TestNode() {
@@ -17,12 +18,17 @@ public class TestNode extends BaseGame {
 
 		kick = loadSample("demoassets/kick.wav");
 		var font = window.loadFontTileset("fonts/ega-8x14.png");
-		text = new NodeText(font, "Hello World!");
+		var font2 = window.loadFontTTF("fonts/LiberationSans-Regular.ttf", 24.0f);
+		text = new NodeText(font, "Hello World! this is an extra long test meow meow nya nya! nyaaa!");
+		text2 = new NodeText(font2, "Hello World! this is an extra long test meow meow nya nya! nyaaa!");
+		text.setMaxSize(new Vec2i(100, 100));
+		text2.setMaxSize(new Vec2i(100, 100));
 		sprite = new NodeSprite();
 		sprite.setTexture(loadTexture("demoassets/card.png"));
 		sprite.setPos(new Vec2f(100, 100));
 		//rootNode.add(sprite);
 		rootNode.add(text);
+		rootNode.add(text2);
 		//doThing();
 
 	}
@@ -38,6 +44,7 @@ public class TestNode extends BaseGame {
 	@Override
 	protected void update(double delta) {
 		text.setPos(new Vec2f(640 + 640 * gamepad.getAxis(0), 360 + 360 * gamepad.getAxis(1)));
+		text2.setPos(new Vec2f(440 + 640 * gamepad.getAxis(0), 360 + 360 * gamepad.getAxis(1)));
 		if(gamepad.getButtonPressed(0)) {
 			playSample(kick);
 		}

com/danitheskunk/skunkworks/gfx/font/BaseFont.java

@@ -0,0 +1,17 @@
+package com.danitheskunk.skunkworks.gfx.font;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+public abstract class BaseFont implements IFont {
+	@Override
+	public int getStringWidth(String str) {
+		//todo: figure out later
+		Charset charset = isCP437() ? StandardCharsets.ISO_8859_1 : StandardCharsets.UTF_8;
+		int width = 0;
+		for(var ch : str.getBytes(charset)) {
+			width += getXAdvance(ch);
+		}
+		return width;
+	}
+}

com/danitheskunk/skunkworks/gfx/font/FontTTF.java

@@ -11,7 +11,7 @@ import java.util.HashMap;
 
 import static org.lwjgl.stb.STBTruetype.*;
 
-public class FontTTF implements IFont {
+public class FontTTF extends BaseFont {
 	private final HashMap<Integer, Char> chars;
 	private final STBTTFontinfo info;
 	private final int lineHeight;
@@ -33,8 +33,8 @@ public class FontTTF implements IFont {
 		}
 		//todo: save these
 		stbtt_GetFontVMetrics(info, ascent, descent, lineGap);
-		lineHeight = lineGap[0];
 		this.size = stbtt_ScaleForPixelHeight(info, size);
+		lineHeight = (int)((ascent[0] - descent[0] + lineGap[0]) * this.size);
 
 		//precache ascii characters
 		for(int i = 32; i < 128; ++i) {

com/danitheskunk/skunkworks/gfx/font/FontTileset.java

@@ -5,7 +5,7 @@ import com.danitheskunk.skunkworks.gfx.ITexture;
 
 import java.util.List;
 
-public class FontTileset implements IFont {
+public class FontTileset extends BaseFont {
 	private final Vec2i charSize;
 	private final List<ITexture> textures;
 

com/danitheskunk/skunkworks/gfx/font/IFont.java

@@ -6,6 +6,8 @@ import com.danitheskunk.skunkworks.gfx.ITexture;
 public interface IFont {
 	int getLineHeight();
 
+	int getStringWidth(String str);
+
 	Vec2i getMonospaceSize();
 
 	Vec2i getOffset(int ch);

com/danitheskunk/skunkworks/nodes/NodeText.java

@@ -1,27 +1,65 @@
 package com.danitheskunk.skunkworks.nodes;
 
+import com.danitheskunk.skunkworks.Vec2i;
 import com.danitheskunk.skunkworks.gfx.IRenderContext;
 import com.danitheskunk.skunkworks.gfx.font.IFont;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class NodeText extends Node {
 	private IFont font;
+	private List<String> lines;
+	private Vec2i maxSize;
 	private String text;
 
 	public NodeText(IFont font, String text) {
 		this.font = font;
-		this.text = text;
+		maxSize = Vec2i.ZERO;
+		lines = new ArrayList<>();
+		setText(text);
+	}
+
+	private void layoutText() {
+		lines.clear();
+		if(maxSize == Vec2i.ZERO) {
+			lines.add(text);
+			return;
+		}
+		var words = text.split(" ");
+		String currentLine = words[0];
+		for(int i = 1; i < words.length; ++i) {
+			String newLine = currentLine + " " + words[i];
+			if(font.getStringWidth(newLine) > maxSize.getX()) {
+				lines.add(currentLine);
+				currentLine = words[i];
+			} else {
+				currentLine = newLine;
+			}
+		}
+		lines.add(currentLine);
 	}
 
 	@Override
 	public void render(IRenderContext rc) {
-		rc.drawString(getAbsolutePos().toVec2i(), text, font);
+		Vec2i pos = getAbsolutePos().toVec2i();
+		for(var line : lines) {
+			rc.drawString(pos, line, font);
+			pos = Vec2i.add(pos, new Vec2i(0, font.getLineHeight()));
+		}
 	}
 
 	public void setFont(IFont font) {
 		this.font = font;
 	}
 
+	public void setMaxSize(Vec2i maxSize) {
+		this.maxSize = maxSize;
+		layoutText();
+	}
+
 	public void setText(String text) {
 		this.text = text;
+		layoutText();
 	}
 }