diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c37caf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,118 @@
+# User-specific stuff
+.idea/
+
+*.iml
+*.ipr
+*.iws
+
+# IntelliJ
+out/
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Cache of project
+.gradletasknamecache
+
+**/build/
+
+# Common working directory
+run/
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,202 @@
+
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+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
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+      the terms of any separate license agreement you may have executed
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+   6. Trademarks. This License does not grant permission to use the trade
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+   Licensed under the Apache License, Version 2.0 (the "License");
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+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
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+   See the License for the specific language governing permissions and
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diff --git a/README.md b/README.md
new file mode 100644
index 0000000..b9b23b4
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# Lighty - Another Light Overlay Mod
+
+> Inspired by [LightLevel](https://github.com/Parzivail-Modding-Team/LightLevel) and motivated by [Light Overlay](https://github.com/shedaniel/LightOverlay)
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..438088c
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,80 @@
+plugins {
+    id 'fabric-loom' version '0.12-SNAPSHOT'
+    id 'maven-publish'
+}
+
+version = project.mod_version
+group = project.maven_group
+
+repositories {
+    // Add repositories to retrieve artifacts from in here.
+    // You should only use this when depending on other mods because
+    // Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
+    // See https://docs.gradle.org/current/userguide/declaring_repositories.html
+    // for more information about repositories.
+}
+
+dependencies {
+    // To change the versions see the gradle.properties file
+    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
+    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+    modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+}
+
+processResources {
+    inputs.property "version", project.version
+    filteringCharset "UTF-8"
+
+    filesMatching("fabric.mod.json") {
+        expand "version": project.version
+    }
+}
+
+def targetJavaVersion = 8
+tasks.withType(JavaCompile).configureEach {
+    // ensure that the encoding is set to UTF-8, no matter what the system default is
+    // this fixes some edge cases with special characters not displaying correctly
+    // see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
+    // If Javadoc is generated, this must be specified in that task too.
+    it.options.encoding = "UTF-8"
+    if (targetJavaVersion >= 10 || JavaVersion.current().isJava10Compatible()) {
+        it.options.release = targetJavaVersion
+    }
+}
+
+java {
+    def javaVersion = JavaVersion.toVersion(targetJavaVersion)
+    if (JavaVersion.current() < javaVersion) {
+        toolchain.languageVersion = JavaLanguageVersion.of(targetJavaVersion)
+    }
+    archivesBaseName = project.archives_base_name
+    // Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
+    // if it is present.
+    // If you remove this line, sources will not be generated.
+    withSourcesJar()
+}
+
+jar {
+    from("LICENSE") {
+        rename { "${it}_${project.archivesBaseName}" }
+    }
+}
+
+// configure the maven publication
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            from components.java
+        }
+    }
+
+    // See https://docs.gradle.org/current/userguide/publishing_maven.html for information on how to set up publishing.
+    repositories {
+        // Add repositories to publish to here.
+        // Notice: This block does NOT have the same function as the block in the top level.
+        // The repositories here will be used for publishing your artifact, not for
+        // retrieving dependencies.
+    }
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..629ef2f
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,16 @@
+# Done to increase the memory available to gradle.
+org.gradle.jvmargs=-Xmx1G
+# Fabric Properties
+# check these on https://modmuss50.me/fabric.html
+minecraft_version=1.18.2
+yarn_mappings=1.18.2+build.3
+loader_version=0.14.8
+
+#Fabric api
+fabric_version=0.57.0+1.18.2
+
+# Mod Properties
+mod_version=1.0.0
+maven_group=dev.schmarrn
+archives_base_name=lighty
+
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..33af0f6
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..f91a4fe
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,9 @@
+pluginManagement {
+    repositories {
+        maven {
+            name = 'Fabric'
+            url = 'https://maven.fabricmc.net/'
+        }
+        gradlePluginPortal()
+    }
+}
diff --git a/src/main/java/dev/schmarrn/lighty/Blocks.java b/src/main/java/dev/schmarrn/lighty/Blocks.java
new file mode 100644
index 0000000..0c9fb34
--- /dev/null
+++ b/src/main/java/dev/schmarrn/lighty/Blocks.java
@@ -0,0 +1,23 @@
+package dev.schmarrn.lighty;
+
+import net.minecraft.block.AbstractBlock;
+import net.minecraft.block.Block;
+import net.minecraft.block.Material;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.registry.Registry;
+
+public class Blocks {
+    public static final Block GREEN_OVERLAY = registerOverlayBlock("green_overlay");
+    public static final Block ORANGE_OVERLAY = registerOverlayBlock("orange_overlay");
+    public static final Block RED_OVERLAY = registerOverlayBlock("red_overlay");
+
+    private static Block registerOverlayBlock(String name) {
+        Block overlay = new Block(AbstractBlock.Settings.of(Material.WOOL));
+        Registry.register(Registry.BLOCK, new Identifier(Lighty.MOD_ID, name), overlay);
+        return overlay;
+    }
+
+    public static void init() {
+        // Does nothing besides making sure the blocks get registered
+    }
+}
diff --git a/src/main/java/dev/schmarrn/lighty/KeyBind.java b/src/main/java/dev/schmarrn/lighty/KeyBind.java
new file mode 100644
index 0000000..204e9af
--- /dev/null
+++ b/src/main/java/dev/schmarrn/lighty/KeyBind.java
@@ -0,0 +1,28 @@
+package dev.schmarrn.lighty;
+
+import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.option.KeyBinding;
+import net.minecraft.client.util.InputUtil;
+import org.lwjgl.glfw.GLFW;
+
+public class KeyBind {
+    private static final KeyBinding enableKeyBind = KeyBindingHelper.registerKeyBinding(new KeyBinding(
+            "key.lighty.enable",
+            InputUtil.Type.KEYSYM,
+            GLFW.GLFW_KEY_F7,
+            "category.lighty"
+    ));
+    private static boolean oldKeyState = false;
+    private static boolean newKeyState = false;
+    public static boolean enabled = false;
+
+    public static void handleKeyBind(MinecraftClient ignoredClient) {
+        KeyBind.newKeyState = KeyBind.enableKeyBind.isPressed();
+        // Rising edge
+        if (KeyBind.newKeyState && !KeyBind.oldKeyState) {
+            KeyBind.enabled = !KeyBind.enabled;
+        }
+        KeyBind.oldKeyState = KeyBind.newKeyState;
+    }
+}
diff --git a/src/main/java/dev/schmarrn/lighty/Lighty.java b/src/main/java/dev/schmarrn/lighty/Lighty.java
new file mode 100644
index 0000000..859b065
--- /dev/null
+++ b/src/main/java/dev/schmarrn/lighty/Lighty.java
@@ -0,0 +1,38 @@
+/// Copyright 2022 Andreas Kohler
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package dev.schmarrn.lighty;
+
+import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderEvents;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Lighty implements ClientModInitializer {
+    public static final String MOD_ID = "lighty";
+    public static final String MOD_NAME = "Lighty";
+
+    public static Logger LOGGER = LoggerFactory.getLogger(MOD_NAME);
+
+    @Override
+    public void onInitializeClient() {
+        LOGGER.info("Hello from {}", MOD_NAME);
+
+        Blocks.init();
+
+        ClientTickEvents.END_CLIENT_TICK.register(KeyBind::handleKeyBind);
+        WorldRenderEvents.AFTER_TRANSLUCENT.register(Render::renderOverlay);
+    }
+}
diff --git a/src/main/java/dev/schmarrn/lighty/Render.java b/src/main/java/dev/schmarrn/lighty/Render.java
new file mode 100644
index 0000000..b7168b5
--- /dev/null
+++ b/src/main/java/dev/schmarrn/lighty/Render.java
@@ -0,0 +1,93 @@
+package dev.schmarrn.lighty;
+
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderContext;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.CarpetBlock;
+import net.minecraft.block.SnowBlock;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.network.ClientPlayerEntity;
+import net.minecraft.client.render.Camera;
+import net.minecraft.client.render.RenderLayer;
+import net.minecraft.client.render.Tessellator;
+import net.minecraft.client.render.VertexConsumerProvider;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.LightType;
+
+import java.util.Random;
+
+public class Render {
+    static void renderOverlay(WorldRenderContext worldRenderContext) {
+        if (!KeyBind.enabled) return;
+
+        MatrixStack matrixStack = worldRenderContext.matrixStack();
+        Camera camera = worldRenderContext.camera();
+        ClientPlayerEntity player = MinecraftClient.getInstance().player;
+        ClientWorld world = MinecraftClient.getInstance().world;
+
+        if (player == null || world == null) {
+            return;
+        }
+
+        matrixStack.push();
+        // Reset matrix position to 0,0,0
+        matrixStack.translate(-camera.getPos().x, -camera.getPos().y, -camera.getPos().z);
+
+        VertexConsumerProvider.Immediate provider = VertexConsumerProvider.immediate(Tessellator.getInstance().getBuffer());
+
+        for (int x = -16; x <= 16; ++x) {
+            for (int y = -16; y <= 16; ++y) {
+                for (int z = -16; z <= 16; ++z) {
+                    BlockPos pos = new BlockPos(player.getPos().x + x, player.getPos().y + y, player.getPos().z + z);
+                    Block up = world.getBlockState(pos.up()).getBlock();
+
+                    if (world.isAir(pos) || !up.canMobSpawnInside() || !world.getBlockState(pos).isSolidBlock(world, pos)) {
+                        continue;
+                    }
+
+                    int blockLightLevel = world.getLightLevel(LightType.BLOCK, pos.up());
+                    int skyLightLevel = world.getLightLevel(LightType.SKY, pos.up());
+
+                    BlockState carpetState = Blocks.GREEN_OVERLAY.getDefaultState();
+                    if (blockLightLevel == 0) {
+                        if (skyLightLevel == 0) {
+                            carpetState = Blocks.RED_OVERLAY.getDefaultState();
+                        } else {
+                            carpetState = Blocks.ORANGE_OVERLAY.getDefaultState();
+                        }
+                    }
+
+                    double offset = 0;
+                    if (up instanceof SnowBlock) { // snow layers
+                        int layer = world.getBlockState(pos.up()).get(SnowBlock.LAYERS);
+                        // One layer of snow is one pixel high, with one pixel being 1/16
+                        offset = 2f / 16f * layer;
+                    } else if (up instanceof CarpetBlock) {
+                        // Carpet is just one pixel high
+                        offset = 1f / 16f;
+                    }
+
+                    matrixStack.push();
+                    matrixStack.translate(pos.getX(), pos.getY()+1 + offset, pos.getZ());
+
+                    MinecraftClient.getInstance().getBlockRenderManager().renderBlock(
+                            carpetState,
+                            pos.up(),
+                            world,
+                            matrixStack,
+                            provider.getBuffer(RenderLayer.getTranslucent()),
+                            false,
+                            new Random()
+                    );
+
+                    matrixStack.pop();
+                }
+            }
+        }
+        matrixStack.pop();
+
+        provider.draw();
+    }
+}
diff --git a/src/main/resources/assets/lighty/blockstates/green_overlay.json b/src/main/resources/assets/lighty/blockstates/green_overlay.json
new file mode 100644
index 0000000..c810bab
--- /dev/null
+++ b/src/main/resources/assets/lighty/blockstates/green_overlay.json
@@ -0,0 +1,7 @@
+{
+  "variants": {
+    "": {
+      "model": "lighty:block/green_overlay"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/blockstates/orange_overlay.json b/src/main/resources/assets/lighty/blockstates/orange_overlay.json
new file mode 100644
index 0000000..a40ce0a
--- /dev/null
+++ b/src/main/resources/assets/lighty/blockstates/orange_overlay.json
@@ -0,0 +1,7 @@
+{
+  "variants": {
+    "": {
+      "model": "lighty:block/orange_overlay"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/blockstates/red_overlay.json b/src/main/resources/assets/lighty/blockstates/red_overlay.json
new file mode 100644
index 0000000..01fdda1
--- /dev/null
+++ b/src/main/resources/assets/lighty/blockstates/red_overlay.json
@@ -0,0 +1,7 @@
+{
+  "variants": {
+    "": {
+      "model": "lighty:block/red_overlay"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/icon.png b/src/main/resources/assets/lighty/icon.png
new file mode 100644
index 0000000..83faa30
Binary files /dev/null and b/src/main/resources/assets/lighty/icon.png differ
diff --git a/src/main/resources/assets/lighty/lang/en_us.json b/src/main/resources/assets/lighty/lang/en_us.json
new file mode 100644
index 0000000..aff565a
--- /dev/null
+++ b/src/main/resources/assets/lighty/lang/en_us.json
@@ -0,0 +1,4 @@
+{
+  "key.lighty.enable": "Enable Light Overlay",
+  "category.lighty": "Lighty"
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/models/block/green_overlay.json b/src/main/resources/assets/lighty/models/block/green_overlay.json
new file mode 100644
index 0000000..a38b05e
--- /dev/null
+++ b/src/main/resources/assets/lighty/models/block/green_overlay.json
@@ -0,0 +1,6 @@
+{
+  "parent": "lighty:block/overlay",
+  "textures": {
+    "color": "lighty:block/green_overlay"
+  }
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/models/block/orange_overlay.json b/src/main/resources/assets/lighty/models/block/orange_overlay.json
new file mode 100644
index 0000000..029dd68
--- /dev/null
+++ b/src/main/resources/assets/lighty/models/block/orange_overlay.json
@@ -0,0 +1,6 @@
+{
+  "parent": "lighty:block/overlay",
+  "textures": {
+    "color": "lighty:block/orange_overlay"
+  }
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/models/block/overlay.json b/src/main/resources/assets/lighty/models/block/overlay.json
new file mode 100644
index 0000000..ee698da
--- /dev/null
+++ b/src/main/resources/assets/lighty/models/block/overlay.json
@@ -0,0 +1,19 @@
+{
+  "parent": "block/thin_block",
+  "textures": {
+    "particle": "#color"
+  },
+  "elements": [
+    {   "from": [ 0, 0, 0 ],
+      "to": [ 16, 1, 16 ],
+      "faces": {
+        "down":  { "uv": [ 0,  0, 16, 16 ], "texture": "#color", "cullface": "down" },
+        "up":    { "uv": [ 0,  0, 16, 16 ], "texture": "#color" },
+        "north": { "uv": [ 0, 15, 16, 16 ], "texture": "#color", "cullface": "north" },
+        "south": { "uv": [ 0, 15, 16, 16 ], "texture": "#color", "cullface": "south" },
+        "west":  { "uv": [ 0, 15, 16, 16 ], "texture": "#color", "cullface": "west" },
+        "east":  { "uv": [ 0, 15, 16, 16 ], "texture": "#color", "cullface": "east" }
+      }
+    }
+  ]
+}
diff --git a/src/main/resources/assets/lighty/models/block/red_overlay.json b/src/main/resources/assets/lighty/models/block/red_overlay.json
new file mode 100644
index 0000000..6e7e04e
--- /dev/null
+++ b/src/main/resources/assets/lighty/models/block/red_overlay.json
@@ -0,0 +1,6 @@
+{
+  "parent": "lighty:block/overlay",
+  "textures": {
+    "color": "lighty:block/red_overlay"
+  }
+}
\ No newline at end of file
diff --git a/src/main/resources/assets/lighty/textures/block/green_overlay.png b/src/main/resources/assets/lighty/textures/block/green_overlay.png
new file mode 100644
index 0000000..948f47e
Binary files /dev/null and b/src/main/resources/assets/lighty/textures/block/green_overlay.png differ
diff --git a/src/main/resources/assets/lighty/textures/block/orange_overlay.png b/src/main/resources/assets/lighty/textures/block/orange_overlay.png
new file mode 100644
index 0000000..4ca2a36
Binary files /dev/null and b/src/main/resources/assets/lighty/textures/block/orange_overlay.png differ
diff --git a/src/main/resources/assets/lighty/textures/block/red_overlay.png b/src/main/resources/assets/lighty/textures/block/red_overlay.png
new file mode 100644
index 0000000..c1dc4d0
Binary files /dev/null and b/src/main/resources/assets/lighty/textures/block/red_overlay.png differ
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
new file mode 100644
index 0000000..071ba02
--- /dev/null
+++ b/src/main/resources/fabric.mod.json
@@ -0,0 +1,27 @@
+{
+  "schemaVersion": 1,
+  "id": "lighty",
+  "version": "${version}",
+  "name": "Lighty",
+  "description": "Another Light Overlay Mod",
+  "authors": [
+    "Andreas Kohler"
+  ],
+  "contact": {
+    "email": "contact@schmarrn.dev",
+    "sources": "https://github.com/SchmarrnDevs/Lighty"
+  },
+  "license": "Apache-2.0",
+  "icon": "assets/lighty/icon.png",
+  "environment": "*",
+  "entrypoints": {
+    "client": [
+      "dev.schmarrn.lighty.Lighty"
+    ]
+  },
+  "depends": {
+    "fabricloader": ">=0.14.8",
+    "minecraft": "1.18.2",
+    "fabric": "*"
+  }
+}