start of settings, slightly broken

src/main/java/me/kawaiizenbo/moonlight/module/ModuleManager.java

@@ -14,7 +14,8 @@ public class ModuleManager
         registerModules(
 			new Fly(),
 			new NoFall(),
-			new HUDModule()
+			new HUDModule(),
+			new TestDisplay()
 		);
     }
 

src/main/java/me/kawaiizenbo/moonlight/module/Module_.java

@@ -1,5 +1,8 @@
 package me.kawaiizenbo.moonlight.module;
 
+import java.util.ArrayList;
+
+import me.kawaiizenbo.moonlight.module.settings.Setting;
 import net.minecraft.client.MinecraftClient;
 
 public abstract class Module_ 
@@ -9,12 +12,15 @@ public abstract class Module_
     public String description;
     public Category category;
     public boolean enabled;
+    public ArrayList<Setting> settings;
+    public int keyBind;
 
     public Module_(String name, String description, Category category)
     {
         this.name = name;
         this.description = description;
         this.category = category;
+        settings = new ArrayList<>();
     }
 
     public void onEnable() {}

src/main/java/me/kawaiizenbo/moonlight/module/modules/TestDisplay.java

@@ -0,0 +1,18 @@
+package me.kawaiizenbo.moonlight.module.modules;
+
+import me.kawaiizenbo.moonlight.module.Category;
+import me.kawaiizenbo.moonlight.module.Module_;
+import me.kawaiizenbo.moonlight.module.settings.DoubleSetting;
+
+public class TestDisplay extends Module_
+{
+    DoubleSetting test1 = new DoubleSetting("test1", 1, 0, 20, 1);
+    DoubleSetting test2 = new DoubleSetting("test2", 0, 0, 1, 0.1);
+
+    public TestDisplay()
+    {
+        super("TestDisplay", "Test of settings window", Category.RENDER);
+        this.settings.add(test1);
+        this.settings.add(test2);
+    }
+}

src/main/java/me/kawaiizenbo/moonlight/module/settings/DoubleSetting.java

@@ -0,0 +1,50 @@
+package me.kawaiizenbo.moonlight.module.settings;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+import net.minecraft.client.gui.DrawableHelper;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.text.Text;
+
+public class DoubleSetting extends Setting
+{
+    public double value;
+    private double min, max, increment;
+
+    public DoubleSetting(String name, double value, double min, double max, double increment)
+    {
+        this.name = name;
+        this.value = value;
+        this.min = min;
+        this.max = max;
+        this.increment = increment;
+    }
+
+    @Override
+    public void render(MatrixStack matrices, int x, int y, int mouseX, int mouseY) 
+    { 
+        DrawableHelper.fill(matrices, x, y, x+192, y+24, hovered(mouseX, mouseY, x, y) ? 0xFF444444: 0xFF222222);
+        DrawableHelper.drawTextWithShadow(matrices, textRenderer, Text.literal(name), x+2, y+2, 0xFFFFFF);
+        String valueString = ""+round(value, 1);
+        DrawableHelper.drawTextWithShadow(matrices, textRenderer, Text.literal(valueString), (x+190)-textRenderer.getWidth(valueString), y+2, 0xFFFFFF);
+        DrawableHelper.fill(matrices, x+2, y+16, x+190, y+18, 0xFF666666);
+        int scaledValue = (int)((value/max)*190);
+        DrawableHelper.fill(matrices, x+2, y+16, (x+2)+scaledValue, y+18, 0xFF55FFFF);
+        DrawableHelper.fill(matrices, x+2+(scaledValue-1), y+14, x+2+(scaledValue+1), y+20, 0xFFFFFFFF);
+    }
+
+    public boolean hovered(int mouseX, int mouseY, int x, int y) 
+    {
+		return mouseX >= x && mouseX <= x + 192 && mouseY >= y && mouseY <= y + 24;
+	}
+
+    private static double round(double value, int places) 
+    {
+        if (places < 0) throw new IllegalArgumentException();
+    
+        BigDecimal bd = new BigDecimal(Double.toString(value));
+        bd = bd.setScale(places, RoundingMode.HALF_UP);
+        return bd.doubleValue();
+    }
+}

src/main/java/me/kawaiizenbo/moonlight/module/settings/Setting.java

@@ -0,0 +1,13 @@
+package me.kawaiizenbo.moonlight.module.settings;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.util.math.MatrixStack;
+
+public class Setting 
+{
+    public String name;
+    protected TextRenderer textRenderer = MinecraftClient.getInstance().textRenderer;
+
+    public void render(MatrixStack matrices, int x, int y, int mouseX, int mouseY) { }
+}