diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..535541b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+/src/
+build/
+*.jar
+out/
+.idea/
+*.ipr
+*.iml
+*.iws
+.gradle/
+*.zip
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..3a7f552
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,92 @@
+plugins {
+    id 'java'
+    id 'application'
+}
+
+mainClassName = 'tk.valoeghese.fc0.client.Main'
+sourceCompatibility = JavaVersion.VERSION_1_8
+
+group 'tk.valoeghese'
+version '0.1.4'
+
+repositories {
+    mavenCentral()
+    
+    maven {
+        name = "FabricMC"
+        url = "https://maven.fabricmc.net"
+    }
+}
+
+configurations {
+    enigma
+}
+
+def gameJar = project.file("2fc0f18-${version}.jar")
+def mappingsDir = project.file('mappings')
+
+dependencies {
+    //implementation files(gameJar)
+
+    // lwjgl
+    implementation "org.lwjgl:lwjgl:${project.lwjgl_version}"
+    implementation "org.lwjgl:lwjgl-assimp:${project.lwjgl_version}"
+    //implementation "org.lwjgl:lwjgl-jawt:${project.lwjgl_version}"
+    implementation "org.lwjgl:lwjgl-opengl:${project.lwjgl_version}"
+    implementation "org.lwjgl:lwjgl-glfw:${project.lwjgl_version}"
+    implementation "org.lwjgl:lwjgl-openal:${project.lwjgl_version}"
+    implementation "org.lwjgl:lwjgl-stb:${project.lwjgl_version}"
+    // joml
+    implementation "org.joml:joml:${project.joml_version}"
+    // fastutil
+    implementation "it.unimi.dsi:fastutil:${project.fastutil_version}"
+    // lwjgl natives
+    runtimeOnly "org.lwjgl:lwjgl:${project.lwjgl_version}:${project.natives}"
+    runtimeOnly "org.lwjgl:lwjgl-assimp:${project.lwjgl_version}:${project.natives}"
+    runtimeOnly "org.lwjgl:lwjgl-opengl:${project.lwjgl_version}:${project.natives}"
+    runtimeOnly "org.lwjgl:lwjgl-glfw:${project.lwjgl_version}:${project.natives}"
+    runtimeOnly "org.lwjgl:lwjgl-openal:${project.lwjgl_version}:${project.natives}"
+    runtimeOnly "org.lwjgl:lwjgl-stb:${project.lwjgl_version}:${project.natives}"
+
+    compileOnly "com.google.code.findbugs:jsr305:3.0.2"
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+    
+    enigma "cuchaz:enigma:$project.enigma_version"
+}
+
+task deobf(type: DeobfuscateTask) {
+    group = "build setup"
+    mappings = mappingsDir
+    inputJar = gameJar
+    outputJar = file("build/deobf-${gameJar.name}")
+}
+
+task decompile(type: DecompileTask, dependsOn: deobf) {
+    group = "build setup"
+    input = deobf.outputJar
+    output = file('src/main/java')
+}
+
+task extractResources(type: ExtractResourcesTask) {
+    group = "build setup"
+    input = gameJar
+    output = file('src/main/resources')
+}
+
+task enigma() {
+    doLast {
+        ant.setLifecycleLogLevel "WARN"
+        ant.java(
+            classname: 'cuchaz.enigma.Main',
+            classpath: configurations.enigma.asPath,
+            fork: true,
+            spawn: true
+        ) {
+            jvmarg(value: "-Xmx2048m")
+            arg(value: '-jar')
+            arg(value: gameJar.getAbsolutePath())
+            arg(value: '-mappings')
+            arg(value: mappingsDir.getAbsolutePath())
+        }
+    }
+}
diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
new file mode 100644
index 0000000..e2f53db
--- /dev/null
+++ b/buildSrc/build.gradle
@@ -0,0 +1,12 @@
+repositories {
+    mavenCentral()
+    maven {
+        name = "fabric"
+        url = "https://maven.fabricmc.net"
+    }
+}
+
+dependencies {
+    implementation "org.benf:cfr:0.150"
+    implementation "cuchaz:enigma:$enigma"
+}
diff --git a/buildSrc/gradle.properties b/buildSrc/gradle.properties
new file mode 100644
index 0000000..43005db
--- /dev/null
+++ b/buildSrc/gradle.properties
@@ -0,0 +1 @@
+enigma = 0.16.0+build.175:all
diff --git a/buildSrc/src/main/groovy/DecompileTask.groovy b/buildSrc/src/main/groovy/DecompileTask.groovy
new file mode 100644
index 0000000..af3b149
--- /dev/null
+++ b/buildSrc/src/main/groovy/DecompileTask.groovy
@@ -0,0 +1,52 @@
+import org.benf.cfr.reader.api.CfrDriver
+import org.benf.cfr.reader.api.OutputSinkFactory
+import org.benf.cfr.reader.api.SinkReturns
+import org.gradle.api.DefaultTask
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.TaskAction
+
+import java.nio.charset.StandardCharsets
+import java.nio.file.FileSystem
+import java.nio.file.FileSystems
+import java.nio.file.Files
+
+class DecompileTask extends DefaultTask {
+    @Input
+    File input
+
+    @Input
+    File output
+
+    @TaskAction
+    def run() {
+        output.mkdirs()
+
+        def driver = new CfrDriver.Builder()
+                .withOptions(renamedupmembers: 'true')
+                .withOutputSink(new SinkFactory())
+                .build()
+        driver.analyse([input.getAbsolutePath()])
+    }
+
+    private def accept(SinkReturns.Decompiled decompiled) {
+        def dir = output.toPath().resolve(decompiled.packageName.replace('.', '/'))
+        Files.createDirectories(dir)
+        def sourceFile = dir.resolve(decompiled.className + ".java")
+
+        Files.write(sourceFile, decompiled.java.getBytes(StandardCharsets.UTF_8))
+    }
+
+    private class SinkFactory implements OutputSinkFactory {
+        @Override
+        List<SinkClass> getSupportedSinks(SinkType sinkType, Collection<SinkClass> available) {
+            return [SinkClass.DECOMPILED]
+        }
+
+        @Override
+        <T> Sink<T> getSink(SinkType sinkType, SinkClass sinkClass) {
+            return (sinkClass == SinkClass.DECOMPILED && sinkType == SinkType.JAVA)
+                    ? { data -> accept(data as SinkReturns.Decompiled) }
+                    : null
+        }
+    }
+}
diff --git a/buildSrc/src/main/groovy/DeobfuscateTask.groovy b/buildSrc/src/main/groovy/DeobfuscateTask.groovy
new file mode 100644
index 0000000..7dbdc19
--- /dev/null
+++ b/buildSrc/src/main/groovy/DeobfuscateTask.groovy
@@ -0,0 +1,21 @@
+import cuchaz.enigma.command.DeobfuscateCommand
+import org.gradle.api.DefaultTask
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.TaskAction
+
+class DeobfuscateTask extends DefaultTask {
+    @Input
+    File mappings
+
+    @Input
+    File inputJar
+
+    @Input
+    File outputJar
+
+    @TaskAction
+    def run() {
+        outputJar.parentFile.mkdirs()
+        new DeobfuscateCommand().run(inputJar.absolutePath, outputJar.absolutePath, mappings.absolutePath)
+    }
+}
diff --git a/buildSrc/src/main/groovy/ExtractResourcesTask.groovy b/buildSrc/src/main/groovy/ExtractResourcesTask.groovy
new file mode 100644
index 0000000..b64f19c
--- /dev/null
+++ b/buildSrc/src/main/groovy/ExtractResourcesTask.groovy
@@ -0,0 +1,32 @@
+import org.gradle.api.DefaultTask
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.TaskAction
+
+import java.nio.file.FileSystems
+import java.nio.file.Files
+
+class ExtractResourcesTask extends DefaultTask {
+    @Input
+    File input
+
+    @Input
+    File output
+
+    @TaskAction
+    def run() {
+        def resources = output.toPath()
+        def fs = FileSystems.newFileSystem(URI.create("jar:" + input.toPath().toUri()), Collections.emptyMap(), null)
+        try {
+            for (def root : fs.rootDirectories) {
+                Files.walk(root).filter({ Files.isRegularFile(it) && !it.toString().endsWith(".class") }).forEach({
+                    def str = it.toString()
+                    def target = resources.resolve(str.startsWith("/") ? str.substring(1) : str)
+                    Files.createDirectories(target.parent)
+                    Files.copy(it, target)
+                })
+            }
+        } finally {
+            fs.close()
+        }
+    }
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..7bb4633
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,6 @@
+lwjgl_version = 3.2.3
+joml_version = 1.9.24
+fastutil_version = 8.3.1
+
+natives = natives-windows
+enigma_version = 0.16.0+build.175:all
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..b4f4aa2
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Aug 22 17:36:22 EDT 2016
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..9aa616c
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,169 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [[ "$(uname)" == "Darwin" ]] && [[ "$HOME" == "$PWD" ]]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..f955316
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/mappings/I.mapping b/mappings/I.mapping
new file mode 100644
index 0000000..931d6e6
--- /dev/null
+++ b/mappings/I.mapping
@@ -0,0 +1,8 @@
+CLASS I
+	METHOD a evalNoise (DD)D
+		ARG 0 x
+		ARG 2 y
+	METHOD a generateChunk (LE;IIJ)LD;
+		ARG 1 x
+		ARG 2 z
+		ARG 3 seed
diff --git a/mappings/tk/valoeghese/fc0/client/Fc0.mapping b/mappings/tk/valoeghese/fc0/client/Fc0.mapping
new file mode 100644
index 0000000..ed5ca8e
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/Fc0.mapping
@@ -0,0 +1,3 @@
+CLASS tk/valoeghese/fc0/client/a tk/valoeghese/fc0/client/Fc0
+	FIELD a world LF;
+	FIELD a window Lq;
diff --git a/mappings/tk/valoeghese/fc0/client/Main.mapping b/mappings/tk/valoeghese/fc0/client/Main.mapping
new file mode 100644
index 0000000..eae18af
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/Main.mapping
@@ -0,0 +1,3 @@
+CLASS tk/valoeghese/fc0/client/Main
+	METHOD main ([Ljava/lang/String;)V
+		ARG 0 args
diff --git a/mappings/tk/valoeghese/fc0/client/Window.mapping b/mappings/tk/valoeghese/fc0/client/Window.mapping
new file mode 100644
index 0000000..2a42f11
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/Window.mapping
@@ -0,0 +1,8 @@
+CLASS q tk/valoeghese/fc0/client/Window
+	FIELD a ratio F
+	FIELD a width I
+	FIELD a pointer J
+	FIELD b height I
+	METHOD <init> (II)V
+		ARG 1 width
+		ARG 2 height
diff --git a/mappings/tk/valoeghese/fc0/client/_EnumSwitches.mapping b/mappings/tk/valoeghese/fc0/client/_EnumSwitches.mapping
new file mode 100644
index 0000000..9e7c4b9
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/_EnumSwitches.mapping
@@ -0,0 +1 @@
+CLASS tk/valoeghese/fc0/client/c tk/valoeghese/fc0/client/_EnumSwitches
diff --git a/mappings/tk/valoeghese/fc0/client/input/Keybind.mapping b/mappings/tk/valoeghese/fc0/client/input/Keybind.mapping
new file mode 100644
index 0000000..ea6a81d
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/input/Keybind.mapping
@@ -0,0 +1,21 @@
+CLASS d tk/valoeghese/fc0/client/input/Keybind
+	FIELD a audioDevice J
+	FIELD a name Ljava/lang/String;
+	FIELD a terrainShader Lm;
+	FIELD a down Z
+	FIELD b audioContext J
+	FIELD b guiShader Lm;
+	FIELD b pressed Z
+	METHOD <init> (Ljava/lang/String;IZ)V
+		ARG 1 name
+		ARG 2 defaultKey
+		ARG 3 mouse
+	METHOD a initAudio ()V
+	METHOD a isDown ()Z
+	METHOD a signum (D)I
+		ARG 0 n
+	METHOD a update (I)V
+		ARG 1 action
+	METHOD a storeTexture (Ljava/awt/image/BufferedImage;)I
+		ARG 0 image
+	METHOD b isPressed ()Z
diff --git a/mappings/tk/valoeghese/fc0/client/input/Keybinds.mapping b/mappings/tk/valoeghese/fc0/client/input/Keybinds.mapping
new file mode 100644
index 0000000..d25589f
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/input/Keybinds.mapping
@@ -0,0 +1,11 @@
+CLASS tk/valoeghese/fc0/client/d tk/valoeghese/fc0/client/input/Keybinds
+	FIELD a MOVE_FORWARDS Ld;
+	FIELD b MOVE_BACKWARDS Ld;
+	FIELD c MOVE_LEFT Ld;
+	FIELD d MOVE_RIGHT Ld;
+	FIELD e ESCAPE Ld;
+	FIELD f JUMP Ld;
+	FIELD g RUN Ld;
+	FIELD h DESTROY Ld;
+	FIELD i INTERACT Ld;
+	FIELD j RESPAWN Ld;
diff --git a/mappings/tk/valoeghese/fc0/client/input/KeyboardInputHandler.mapping b/mappings/tk/valoeghese/fc0/client/input/KeyboardInputHandler.mapping
new file mode 100644
index 0000000..ffe548a
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/input/KeyboardInputHandler.mapping
@@ -0,0 +1,8 @@
+CLASS e tk/valoeghese/fc0/client/input/KeyboardInputHandler
+	FIELD a bindings Lit/unimi/dsi/fastutil/ints/Int2ObjectMap;
+	METHOD invoke (JIIII)V
+		ARG 1 window
+		ARG 3 key
+		ARG 4 scanCode
+		ARG 5 action
+		ARG 6 mods
diff --git a/mappings/tk/valoeghese/fc0/client/input/MouseInputHandler.mapping b/mappings/tk/valoeghese/fc0/client/input/MouseInputHandler.mapping
new file mode 100644
index 0000000..2dec4ca
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/input/MouseInputHandler.mapping
@@ -0,0 +1,7 @@
+CLASS f tk/valoeghese/fc0/client/input/MouseInputHandler
+	FIELD a bindings Lit/unimi/dsi/fastutil/ints/Int2ObjectMap;
+	METHOD invoke (JIII)V
+		ARG 1 window
+		ARG 3 button
+		ARG 4 action
+		ARG 5 mods
diff --git a/mappings/tk/valoeghese/fc0/client/render/Shader.mapping b/mappings/tk/valoeghese/fc0/client/render/Shader.mapping
new file mode 100644
index 0000000..151604e
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/render/Shader.mapping
@@ -0,0 +1,9 @@
+CLASS m tk/valoeghese/fc0/client/render/Shader
+	FIELD a program I
+	METHOD <init> (Ljava/lang/String;Ljava/lang/String;)V
+		ARG 1 vertex
+		ARG 2 fragment
+	METHOD a enableBlend ()V
+	METHOD a initWindow (Lq;)V
+		ARG 0 window
+	METHOD b apply ()V
diff --git a/mappings/tk/valoeghese/fc0/client/render/Textures.mapping b/mappings/tk/valoeghese/fc0/client/render/Textures.mapping
new file mode 100644
index 0000000..2a59064
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/client/render/Textures.mapping
@@ -0,0 +1,7 @@
+CLASS k tk/valoeghese/fc0/client/render/Textures
+	FIELD a TILE_ATLAS I
+	FIELD b VERSION I
+	FIELD c WATER_OVERLAY I
+	METHOD a load (Ljava/lang/String;Z)I
+		ARG 0 location
+		ARG 1 failSafely
diff --git a/mappings/tk/valoeghese/fc0/io/ResourceLoader.mapping b/mappings/tk/valoeghese/fc0/io/ResourceLoader.mapping
new file mode 100644
index 0000000..c17943f
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/io/ResourceLoader.mapping
@@ -0,0 +1,5 @@
+CLASS p tk/valoeghese/fc0/io/ResourceLoader
+	METHOD a readResource (Ljava/lang/String;)Ljava/lang/String;
+		ARG 0 location
+	METHOD a getResource (Ljava/lang/String;)Ljava/net/URL;
+		ARG 0 location
diff --git a/mappings/tk/valoeghese/fc0/math/HitResult_maybe.mapping b/mappings/tk/valoeghese/fc0/math/HitResult_maybe.mapping
new file mode 100644
index 0000000..b9c20a0
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/HitResult_maybe.mapping
@@ -0,0 +1,6 @@
+CLASS A tk/valoeghese/fc0/math/HitResult_maybe
+	FIELD a pos LC;
+	FIELD a side Ls;
+	METHOD <init> (LC;Ls;)V
+		ARG 1 pos
+		ARG 2 side
diff --git a/mappings/tk/valoeghese/fc0/math/MutableVec3d.mapping b/mappings/tk/valoeghese/fc0/math/MutableVec3d.mapping
new file mode 100644
index 0000000..5fe4939
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/MutableVec3d.mapping
@@ -0,0 +1,19 @@
+CLASS u tk/valoeghese/fc0/math/MutableVec3d
+	METHOD a setY (D)Lu;
+		ARG 1 y
+	METHOD a set (DDD)Lu;
+		ARG 1 x
+		ARG 3 y
+		ARG 5 z
+	METHOD a set (Lz;)Lu;
+		ARG 1 other
+	METHOD b offsetY (D)Lu;
+		ARG 1 y
+	METHOD b offset (DDD)Lu;
+		ARG 1 x
+		ARG 3 y
+		ARG 5 z
+	METHOD c scale (DDD)Lu;
+		ARG 1 x
+		ARG 3 y
+		ARG 5 z
diff --git a/mappings/tk/valoeghese/fc0/math/Vec2i.mapping b/mappings/tk/valoeghese/fc0/math/Vec2i.mapping
new file mode 100644
index 0000000..c984aec
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/Vec2i.mapping
@@ -0,0 +1,6 @@
+CLASS r tk/valoeghese/fc0/math/Vec2i
+	FIELD a x I
+	FIELD b y I
+	METHOD <init> (II)V
+		ARG 1 x
+		ARG 2 y
diff --git a/mappings/tk/valoeghese/fc0/math/Vec3d.mapping b/mappings/tk/valoeghese/fc0/math/Vec3d.mapping
new file mode 100644
index 0000000..b4b42d4
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/Vec3d.mapping
@@ -0,0 +1,17 @@
+CLASS z tk/valoeghese/fc0/math/Vec3d
+	FIELD a x D
+	FIELD b y D
+	FIELD c z D
+	METHOD <init> (DDD)V
+		ARG 1 x
+		ARG 3 y
+		ARG 5 z
+	METHOD a getX ()D
+	METHOD a add (DDD)Lz;
+		ARG 1 x
+		ARG 3 y
+		ARG 5 z
+	METHOD a add (Lz;)Lz;
+		ARG 1 other
+	METHOD b getY ()D
+	METHOD c getZ ()D
diff --git a/mappings/tk/valoeghese/fc0/math/Vec3i.mapping b/mappings/tk/valoeghese/fc0/math/Vec3i.mapping
new file mode 100644
index 0000000..f104195
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/Vec3i.mapping
@@ -0,0 +1,11 @@
+CLASS C tk/valoeghese/fc0/math/Vec3i
+	FIELD a x I
+	FIELD b y I
+	FIELD c z I
+	METHOD <init> (III)V
+		ARG 1 x
+		ARG 2 y
+		ARG 3 z
+	METHOD <init> (Lz;)V
+		ARG 1 vec
+	METHOD a up ()LC;
diff --git a/mappings/tk/valoeghese/fc0/math/noise/OffsetOpenSimplexNoise.mapping b/mappings/tk/valoeghese/fc0/math/noise/OffsetOpenSimplexNoise.mapping
new file mode 100644
index 0000000..5bede8f
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/noise/OffsetOpenSimplexNoise.mapping
@@ -0,0 +1,5 @@
+CLASS v tk/valoeghese/fc0/math/noise/OffsetOpenSimplexNoise
+	FIELD a offsetX D
+	FIELD b offsetY D
+	METHOD <init> (Ljava/util/Random;)V
+		ARG 1 random
diff --git a/mappings/tk/valoeghese/fc0/math/noise/OpenSimplexNoise.mapping b/mappings/tk/valoeghese/fc0/math/noise/OpenSimplexNoise.mapping
new file mode 100644
index 0000000..d283f11
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/noise/OpenSimplexNoise.mapping
@@ -0,0 +1,17 @@
+CLASS w tk/valoeghese/fc0/math/noise/OpenSimplexNoise
+	FIELD a gradients2D [B
+	FIELD a perm [S
+	FIELD b gradients3D [B
+	FIELD b permGradIndex3D [S
+	METHOD <init> (J)V
+		ARG 1 seed
+	METHOD a fastFloor (D)I
+		ARG 0 x
+	METHOD a eval (DD)D
+		ARG 1 x
+		ARG 3 y
+	METHOD a extrapolate (IIDD)D
+		ARG 1 xsb
+		ARG 2 ysb
+		ARG 3 dx
+		ARG 5 dy
diff --git a/mappings/tk/valoeghese/fc0/math/noise/RidgedOpenSimplexNoise.mapping b/mappings/tk/valoeghese/fc0/math/noise/RidgedOpenSimplexNoise.mapping
new file mode 100644
index 0000000..f908d57
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/math/noise/RidgedOpenSimplexNoise.mapping
@@ -0,0 +1 @@
+CLASS B tk/valoeghese/fc0/math/noise/RidgedOpenSimplexNoise
diff --git a/mappings/tk/valoeghese/fc0/tile/Tile.mapping b/mappings/tk/valoeghese/fc0/tile/Tile.mapping
new file mode 100644
index 0000000..9aa073d
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/tile/Tile.mapping
@@ -0,0 +1,6 @@
+CLASS N tk/valoeghese/fc0/tile/Tile
+	FIELD a id B
+	FIELD a AIR LN;
+	FIELD a tiles [LN;
+	METHOD <init> (IIIFF)V
+		ARG 1 id
diff --git a/mappings/tk/valoeghese/fc0/util/Direction.mapping b/mappings/tk/valoeghese/fc0/util/Direction.mapping
new file mode 100644
index 0000000..f39a733
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/util/Direction.mapping
@@ -0,0 +1,11 @@
+CLASS s tk/valoeghese/fc0/util/Direction
+	FIELD a x I
+	FIELD a _VALUES [Ls;
+	FIELD b y I
+	FIELD c z I
+	METHOD <init> (Ljava/lang/String;IIII)V
+		ARG 3 x
+		ARG 4 y
+		ARG 5 z
+	METHOD a opposite ()Ls;
+	METHOD a values ()[Ls;
diff --git a/mappings/tk/valoeghese/fc0/util/Function.mapping b/mappings/tk/valoeghese/fc0/util/Function.mapping
new file mode 100644
index 0000000..c54a5dc
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/util/Function.mapping
@@ -0,0 +1 @@
+CLASS y tk/valoeghese/fc0/util/Function
diff --git a/mappings/tk/valoeghese/fc0/util/OrderedList.mapping b/mappings/tk/valoeghese/fc0/util/OrderedList.mapping
new file mode 100644
index 0000000..416c2d0
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/util/OrderedList.mapping
@@ -0,0 +1,10 @@
+CLASS x tk/valoeghese/fc0/util/OrderedList
+	COMMENT This is supposedly an ordered list, though I'm not sure what's ordered about it...
+	FIELD a indexer Ly;
+	METHOD <init> (Ly;)V
+		ARG 1 indexer
+	METHOD add (ILjava/lang/Object;)V
+		ARG 1 index
+		ARG 2 element
+	METHOD add (Ljava/lang/Object;)Z
+		ARG 1 element
diff --git a/mappings/tk/valoeghese/fc0/util/_EnumSwitches.mapping b/mappings/tk/valoeghese/fc0/util/_EnumSwitches.mapping
new file mode 100644
index 0000000..f2438e0
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/util/_EnumSwitches.mapping
@@ -0,0 +1,2 @@
+CLASS t tk/valoeghese/fc0/util/_EnumSwitches
+	FIELD a _DIRECTION_OPPOSITE [I
diff --git a/mappings/tk/valoeghese/fc0/world/Chunk.mapping b/mappings/tk/valoeghese/fc0/world/Chunk.mapping
new file mode 100644
index 0000000..365e15d
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/world/Chunk.mapping
@@ -0,0 +1,13 @@
+CLASS D tk/valoeghese/fc0/world/Chunk
+	FIELD a width I
+	FIELD a world LE;
+	FIELD a tiles [B
+	FIELD b height I
+	METHOD <init> (LE;II[B)V
+		ARG 1 world
+		ARG 2 x
+		ARG 3 y
+	METHOD a encode (III)I
+		ARG 0 x
+		ARG 1 y
+		ARG 2 z
diff --git a/mappings/tk/valoeghese/fc0/world/ChunkView.mapping b/mappings/tk/valoeghese/fc0/world/ChunkView.mapping
new file mode 100644
index 0000000..1888902
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/world/ChunkView.mapping
@@ -0,0 +1,4 @@
+CLASS E tk/valoeghese/fc0/world/ChunkView
+	METHOD a getChunk (II)LD;
+		ARG 1 x
+		ARG 2 z
diff --git a/mappings/tk/valoeghese/fc0/world/TileView.mapping b/mappings/tk/valoeghese/fc0/world/TileView.mapping
new file mode 100644
index 0000000..1d20ad8
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/world/TileView.mapping
@@ -0,0 +1,15 @@
+CLASS H tk/valoeghese/fc0/world/TileView
+	METHOD a getTile (III)B
+		ARG 1 x
+		ARG 2 y
+		ARG 3 z
+	METHOD a setTile (IIIB)V
+		ARG 1 x
+		ARG 2 y
+		ARG 3 z
+		ARG 4 tile
+	METHOD a getTile (LC;)B
+		ARG 1 pos
+	METHOD a setTile (LC;B)V
+		ARG 1 pos
+		ARG 2 tile
diff --git a/mappings/tk/valoeghese/fc0/world/World.mapping b/mappings/tk/valoeghese/fc0/world/World.mapping
new file mode 100644
index 0000000..6460550
--- /dev/null
+++ b/mappings/tk/valoeghese/fc0/world/World.mapping
@@ -0,0 +1,6 @@
+CLASS F tk/valoeghese/fc0/world/World
+	FIELD a chunks [LD;
+	FIELD b chunkSize I
+	METHOD <init> (J)V
+		ARG 1 seed
+	METHOD a populate ()V