Add Weather Changer module in Render category (#6356)

Co-authored-by: Big-Iron-Cheems <52252627+Big-Iron-Cheems@users.noreply.github.com>

Author: numenmca

src/main/java/meteordevelopment/meteorclient/systems/modules/Modules.java

@@ -527,6 +527,7 @@ private void initRender() {
         add(new VoidESP());
         add(new WallHack());
         add(new WaypointsModule());
+        add(new WeatherChanger());
         add(new Xray());
         add(new Zoom());
     }

src/main/java/meteordevelopment/meteorclient/systems/modules/render/WeatherChanger.java

@@ -0,0 +1,90 @@
+/*
+ * This file is part of the Meteor Client distribution (https://github.com/MeteorDevelopment/meteor-client).
+ * Copyright (c) Meteor Development.
+ */
+
+package meteordevelopment.meteorclient.systems.modules.render;
+
+import meteordevelopment.meteorclient.events.packets.PacketEvent;
+import meteordevelopment.meteorclient.events.world.TickEvent;
+import meteordevelopment.meteorclient.settings.DoubleSetting;
+import meteordevelopment.meteorclient.settings.Setting;
+import meteordevelopment.meteorclient.settings.SettingGroup;
+import meteordevelopment.meteorclient.systems.modules.Categories;
+import meteordevelopment.meteorclient.systems.modules.Module;
+import meteordevelopment.orbit.EventHandler;
+import net.minecraft.network.protocol.game.ClientboundGameEventPacket;
+
+public class WeatherChanger extends Module {
+    private final SettingGroup sgGeneral = settings.getDefaultGroup();
+
+    private final Setting<Double> rainLevel = sgGeneral.add(new DoubleSetting.Builder()
+        .name("rain-level")
+        .description("The specified rain level to be set.")
+        .defaultValue(0)
+        .sliderRange(0, 1)
+        .build()
+    );
+
+    private final Setting<Double> thunderLevel = sgGeneral.add(new DoubleSetting.Builder()
+        .name("thunder-level")
+        .description("The specified thunder level to be set.")
+        .defaultValue(0)
+        .sliderRange(0, 1)
+        .build()
+    );
+
+    private float oldThunderLevel;
+    private float oldRainLevel;
+
+    public WeatherChanger() {
+        super(Categories.Render, "weather-changer", "Allows you to override the world's current weather.");
+    }
+
+    @Override
+    public void onActivate() {
+        if (mc.level == null) return;
+
+        oldThunderLevel = mc.level.getThunderLevel(1f);
+        oldRainLevel = mc.level.getRainLevel(1f);
+    }
+
+    @Override
+    public void onDeactivate() {
+        if (mc.level == null) return;
+
+        mc.level.setRainLevel(oldRainLevel);
+        mc.level.setThunderLevel(oldThunderLevel);
+    }
+
+    @EventHandler
+    private void onPacketReceive(PacketEvent.Receive event) {
+        if (!(event.packet instanceof ClientboundGameEventPacket packet)) return;
+
+        ClientboundGameEventPacket.Type type = packet.getEvent();
+        if (!isWeatherPacket(type)) return;
+
+        if (type == ClientboundGameEventPacket.THUNDER_LEVEL_CHANGE) {
+            oldThunderLevel = packet.getParam();
+        } else if (type == ClientboundGameEventPacket.RAIN_LEVEL_CHANGE) {
+            oldRainLevel = packet.getParam();
+        }
+
+        event.cancel();
+    }
+
+    private boolean isWeatherPacket(ClientboundGameEventPacket.Type type) {
+        return type == ClientboundGameEventPacket.START_RAINING
+            || type == ClientboundGameEventPacket.STOP_RAINING
+            || type == ClientboundGameEventPacket.THUNDER_LEVEL_CHANGE
+            || type == ClientboundGameEventPacket.RAIN_LEVEL_CHANGE;
+    }
+
+    @EventHandler
+    private void onTick(TickEvent.Post event) {
+        if (mc.level == null) return;
+
+        mc.level.setRainLevel(rainLevel.get().floatValue());
+        mc.level.setThunderLevel(thunderLevel.get().floatValue());
+    }
+}