1 files changed, 120 insertions, 0 deletions
diff --git a/src/main/java/cc/polyfrost/oneconfig/hud/MultiTextHud.java b/src/main/java/cc/polyfrost/oneconfig/hud/MultiTextHud.java
new file mode 100644
index 0000000..17e27ec
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/hud/MultiTextHud.java
@@ -0,0 +1,120 @@
+package cc.polyfrost.oneconfig.hud;
+
+import cc.polyfrost.oneconfig.config.annotations.Exclude;
+import cc.polyfrost.oneconfig.config.elements.BasicOption;
+import cc.polyfrost.oneconfig.events.EventManager;
+import cc.polyfrost.oneconfig.events.event.Stage;
+import cc.polyfrost.oneconfig.events.event.TickEvent;
+import cc.polyfrost.oneconfig.gui.elements.config.ConfigSwitch;
+import cc.polyfrost.oneconfig.libs.eventbus.Subscribe;
+import cc.polyfrost.oneconfig.libs.universal.UMinecraft;
+import cc.polyfrost.oneconfig.renderer.RenderManager;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class MultiTextHud extends TextHud implements Conditional {
+    private transient int width = 100;
+    private transient int height;
+    private transient List<String> cachedStrings = null;
+    private transient final boolean caching;
+
+    public MultiTextHud(boolean enabled) {
+        this(enabled, 0, 0);
+    }
+
+    public MultiTextHud(boolean enabled, boolean caching) {
+        this(enabled, 0, 0, caching);
+    }
+
+    public MultiTextHud(boolean enabled, int x, int y) {
+        this(enabled, x, y, true);
+    }
+
+    public MultiTextHud(boolean enabled, int x, int y, boolean caching) {
+        super(enabled, x, y);
+        this.caching = caching;
+        if (caching) {
+            EventManager.INSTANCE.register(new TextCacher());
+        }
+    }
+
+    @Override
+    public final void addNewOptions(String category, String subcategory, ArrayList<BasicOption> options) {
+        if (caching) {
+            try {
+                options.add(new ConfigSwitch(getClass().getField("cacheText"), this, "Cache Text", category, subcategory, 1));
+            } catch (NoSuchFieldException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    @Exclude(type = Exclude.ExcludeType.HUD)
+    public boolean cacheText = true;
+
+    @Override
+    public final int getWidth(float scale) {
+        return (int) (width * scale);
+    }
+
+    @Override
+    public final int getHeight(float scale) {
+        return (int) (height * scale);
+    }
+
+    @Override
+    public final void draw(int x, int y, float scale) {
+        update(x, y, scale);
+        int textY = y;
+        width = 0;
+        for (String line : cachedStrings == null ? getLines() : cachedStrings) {
+            RenderManager.drawScaledString(line, x, textY, color.getRGB(), RenderManager.TextType.toType(textType), scale);
+            width = Math.max(width, UMinecraft.getFontRenderer().getStringWidth(line));
+            textY += 12 * scale;
+        }
+        height = (int) ((textY - y) / scale - 3);
+    }
+
+    @Override
+    public final void drawExample(int x, int y, float scale) {
+        update(x, y, scale);
+        int textY = y;
+        width = 0;
+        for (String line : getExampleLines()) {
+            RenderManager.drawScaledString(line, x, textY, color.getRGB(), RenderManager.TextType.toType(textType), scale);
+            width = Math.max(width, UMinecraft.getFontRenderer().getStringWidth(line));
+            textY += 12 * scale;
+        }
+        height = (int) ((textY - y) / scale - 3);
+    }
+
+    protected abstract List<String> getLines();
+
+    protected List<String> getExampleLines() {
+        return getLines();
+    }
+
+    /**
+     * Ran before the HUD is drawn.
+     *
+     * Can be used to update values but not necessarily process / render them.
+     * This should only be used if absolutely necessary.
+     */
+    protected void update(int x, int y, float scale) {
+
+    }
+
+    private class TextCacher {
+        @Subscribe
+        private void onTick(TickEvent event) {
+            if (event.stage == Stage.START) {
+                if (cacheText) {
+                    cachedStrings = getLines();
+                } else {
+                    cachedStrings = null;
+                }
+            }
+        }
+    }
+}