1 files changed, 97 insertions, 0 deletions
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/overlays/TextOverlay.java b/src/main/java/io/github/moulberry/notenoughupdates/overlays/TextOverlay.java
new file mode 100644
index 00000000..ed1b6b21
--- /dev/null
+++ b/src/main/java/io/github/moulberry/notenoughupdates/overlays/TextOverlay.java
@@ -0,0 +1,97 @@
+package io.github.moulberry.notenoughupdates.overlays;
+
+import io.github.moulberry.notenoughupdates.core.config.Position;
+import io.github.moulberry.notenoughupdates.util.Utils;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.Gui;
+import net.minecraft.client.gui.ScaledResolution;
+import net.minecraft.client.renderer.GlStateManager;
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL14;
+
+import java.awt.*;
+import java.util.List;
+import java.util.function.Supplier;
+
+public abstract class TextOverlay {
+
+    private Position position;
+    private Supplier<TextOverlayStyle> styleSupplier;
+    public int overlayWidth = -1;
+    public int overlayHeight = -1;
+    public List<String> overlayStrings = null;
+
+    private static final int PADDING_X = 5;
+    private static final int PADDING_Y = 5;
+
+    public TextOverlay(Position position, Supplier<TextOverlayStyle> styleSupplier) {
+        this.position = position;
+        this.styleSupplier = styleSupplier;
+    }
+
+    public void tick() {
+        update();
+
+        if(overlayStrings != null) {
+            overlayHeight = 0;
+            overlayWidth = 0;
+            for(String s : overlayStrings) {
+                if(s == null) {
+                    overlayHeight += 3;
+                    continue;
+                }
+                int sWidth = Minecraft.getMinecraft().fontRendererObj.getStringWidth(s);
+                if(sWidth > overlayWidth) {
+                    overlayWidth = sWidth;
+                }
+                overlayHeight += 10;
+            }
+            overlayHeight -= 2;
+        }
+    }
+
+    public abstract void update();
+
+    public void render() {
+        if(overlayStrings != null) {
+            ScaledResolution scaledResolution = new ScaledResolution(Minecraft.getMinecraft());
+
+            int x = position.getAbsX(scaledResolution);
+            int y = position.getAbsY(scaledResolution);
+
+            TextOverlayStyle style = styleSupplier.get();
+
+            if(style == TextOverlayStyle.BACKGROUND) Gui.drawRect(x, y, x+overlayWidth+PADDING_X*2, y+overlayHeight+PADDING_Y*2, 0x80000000);
+
+            int yOff = 0;
+            for(String s : overlayStrings) {
+                if(s == null) {
+                    yOff += 3;
+                } else {
+
+                    GlStateManager.enableBlend();
+                    GL14.glBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
+                    GlStateManager.tryBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
+
+                    if(style == TextOverlayStyle.FULL_SHADOW) {
+                        String clean = Utils.cleanColourNotModifiers(s);
+                        for(int xO=-2; xO<=2; xO++) {
+                            for(int yO=-2; yO<=2; yO++) {
+                                if(Math.abs(xO) != Math.abs(yO)) {
+                                    Minecraft.getMinecraft().fontRendererObj.drawString(clean,
+                                            x+PADDING_X+xO/2f, y+PADDING_Y+yOff+yO/2f,
+                                            new Color(0, 0, 0, 200/Math.max(Math.abs(xO), Math.abs(yO))).getRGB(), false);
+                                }
+                            }
+                        }
+                    }
+                    Minecraft.getMinecraft().fontRendererObj.drawString(s,
+                                x+PADDING_X, y+PADDING_Y+yOff, 0xffffff, style == TextOverlayStyle.MC_SHADOW);
+
+                    yOff += 10;
+                }
+            }
+        }
+    }
+
+}