diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2c770e0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,22 @@
+# eclipse
+bin
+*.launch
+.settings
+.metadata
+.classpath
+.project
+
+# idea
+out
+*.ipr
+*.iws
+*.iml
+.idea
+
+# gradle
+build
+.gradle
+
+# other
+eclipse
+run
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..9f1c1eb
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 youyihj
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..a73695d
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,86 @@
+buildscript {
+    repositories {
+        jcenter()
+        maven { url = "https://files.minecraftforge.net/maven" }
+    }
+    dependencies {
+        classpath 'net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT'
+    }
+}
+apply plugin: 'net.minecraftforge.gradle.forge'
+//Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
+
+
+version = "1.0.0"
+group = "youyihj.zenutils" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
+archivesBaseName = "zenutils"
+
+sourceCompatibility = targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.
+compileJava {
+    sourceCompatibility = targetCompatibility = '1.8'
+}
+
+minecraft {
+    version = "1.12.2-14.23.5.2847"
+    runDir = "run"
+    
+    // the mappings can be changed at any time, and must be in the following format.
+    // snapshot_YYYYMMDD   snapshot are built nightly.
+    // stable_#            stables are built at the discretion of the MCP team.
+    // Use non-default mappings at your own risk. they may not always work.
+    // simply re-run your setup task after changing the mappings to update your workspace.
+    mappings = "snapshot_20171003"
+    // makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.
+}
+
+dependencies {
+    // you may put jars on which you depend on in ./libs
+    // or you may define them like so..
+    //compile "some.group:artifact:version:classifier"
+    //compile "some.group:artifact:version"
+      
+    // real examples
+    //compile 'com.mod-buildcraft:buildcraft:6.0.8:dev'  // adds buildcraft to the dev env
+    //compile 'com.googlecode.efficient-java-matrix-library:ejml:0.24' // adds ejml to the dev env
+
+    // the 'provided' configuration is for optional dependencies that exist at compile-time but might not at runtime.
+    //provided 'com.mod-buildcraft:buildcraft:6.0.8:dev'
+
+    // the deobf configurations:  'deobfCompile' and 'deobfProvided' are the same as the normal compile and provided,
+    // except that these dependencies get remapped to your current MCP mappings
+    //deobfCompile 'com.mod-buildcraft:buildcraft:6.0.8:dev'
+    //deobfProvided 'com.mod-buildcraft:buildcraft:6.0.8:dev'
+
+    // for more info...
+    // http://www.gradle.org/docs/current/userguide/artifact_dependencies_tutorial.html
+    // http://www.gradle.org/docs/current/userguide/dependency_management.html
+
+    deobfCompile "CraftTweaker2:CraftTweaker2-MC1120-Main:1.12-4.1.20.554"
+
+}
+
+repositories {
+    maven {
+        name = 'blamejared'
+        url = 'https://maven.blamejared.com'
+    }
+}
+
+processResources {
+    // this will ensure that this task is redone when the versions change.
+    inputs.property "version", project.version
+    inputs.property "mcversion", project.minecraft.version
+
+    // replace stuff in mcmod.info, nothing else
+    from(sourceSets.main.resources.srcDirs) {
+        include 'mcmod.info'
+                
+        // replace version and mcversion
+        expand 'version':project.version, 'mcversion':project.minecraft.version
+    }
+        
+    // copy everything else except the mcmod.info
+    from(sourceSets.main.resources.srcDirs) {
+        exclude 'mcmod.info'
+    }
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..e9b9fd5
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,3 @@
+# Sets default memory used for gradle commands. Can be overridden by user or command line properties.
+# This is required to provide enough memory for the Minecraft decompilation process.
+org.gradle.jvmargs=-Xmx3G
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..30d399d
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..e18cba7
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Sep 14 12:28:28 PDT 2015
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..91a7e26
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# 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\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$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" ] ; 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"`
+
+    # 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=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..8a0b282
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+: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/src/main/java/youyihj/zenutils/ZenUtils.java b/src/main/java/youyihj/zenutils/ZenUtils.java
new file mode 100644
index 0000000..7b91ccc
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/ZenUtils.java
@@ -0,0 +1,11 @@
+package youyihj.zenutils;
+
+import net.minecraftforge.fml.common.Mod;
+
+@Mod(modid = ZenUtils.MODID, name = ZenUtils.NAME, version = ZenUtils.VERSION, dependencies = ZenUtils.DEPENDENCIES)
+public class ZenUtils {
+    public static final String MODID = "zenutils";
+    public static final String NAME = "ZenUtils";
+    public static final String VERSION = "1.0.0";
+    public static final String DEPENDENCIES = "required-after:crafttweaker";
+}
diff --git a/src/main/java/youyihj/zenutils/entity/ZenUtilsEntity.java b/src/main/java/youyihj/zenutils/entity/ZenUtilsEntity.java
new file mode 100644
index 0000000..21f2197
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/entity/ZenUtilsEntity.java
@@ -0,0 +1,44 @@
+package youyihj.zenutils.entity;
+
+import crafttweaker.annotations.ZenRegister;
+import crafttweaker.api.entity.IEntity;
+import crafttweaker.api.world.IVector3d;
+import net.minecraft.entity.Entity;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenExpansion;
+import stanhebben.zenscript.annotations.ZenMethod;
+import youyihj.zenutils.util.CTUUID;
+
+@ZenRegister
+@ZenClass("mods.zenutils.ZenUtilsEntity")
+@ZenExpansion("crafttweaker.entity.IEntity")
+@SuppressWarnings("unused")
+public class ZenUtilsEntity {
+
+    @ZenMethod
+    public static void setMotionX(IEntity entity, double value) {
+        ((Entity) entity.getInternal()).motionX = value;
+    }
+
+    @ZenMethod
+    public static void setMotionY(IEntity entity, double value) {
+        ((Entity) entity.getInternal()).motionY = value;
+    }
+
+    @ZenMethod
+    public static void setMotionZ(IEntity entity, double value) {
+        ((Entity) entity.getInternal()).motionZ = value;
+    }
+
+    @ZenMethod
+    public static void setMotionVector(IEntity entity, IVector3d vector) {
+        ZenUtilsEntity.setMotionX(entity, vector.getX());
+        ZenUtilsEntity.setMotionY(entity, vector.getY());
+        ZenUtilsEntity.setMotionZ(entity, vector.getZ());
+    }
+
+    @ZenMethod
+    public static CTUUID getUUID(IEntity entity) {
+        return new CTUUID(((Entity) entity.getInternal()).getUniqueID());
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/entity/ZenUtilsEntityItem.java b/src/main/java/youyihj/zenutils/entity/ZenUtilsEntityItem.java
new file mode 100644
index 0000000..49d2688
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/entity/ZenUtilsEntityItem.java
@@ -0,0 +1,22 @@
+package youyihj.zenutils.entity;
+
+import crafttweaker.annotations.ZenRegister;
+import crafttweaker.api.entity.IEntityItem;
+import crafttweaker.api.item.IItemStack;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.item.ItemStack;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenExpansion;
+import stanhebben.zenscript.annotations.ZenMethod;
+
+@ZenRegister
+@ZenClass("mods.zenutils.ZenUtilsEntityItem")
+@ZenExpansion("crafttweaker.entity.IEntityItem")
+@SuppressWarnings("unused")
+public class ZenUtilsEntityItem {
+    @ZenMethod
+    public static void setItem(IEntityItem iEntityItem, IItemStack itemToSet) {
+        EntityItem entityItem = (EntityItem) iEntityItem.getInternal();
+        entityItem.setItem((ItemStack) itemToSet.getInternal());
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/util/CTI18n.java b/src/main/java/youyihj/zenutils/util/CTI18n.java
new file mode 100644
index 0000000..ac9da90
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/util/CTI18n.java
@@ -0,0 +1,22 @@
+package youyihj.zenutils.util;
+
+import crafttweaker.annotations.ZenRegister;
+import net.minecraft.client.resources.I18n;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenMethod;
+
+@ZenRegister
+@ZenClass("mods.zenutils.I18n")
+@SuppressWarnings("unused")
+public class CTI18n {
+
+    @ZenMethod
+    public static boolean hasKey(String key) {
+        return I18n.hasKey(key);
+    }
+
+    @ZenMethod
+    public static String format(String format, String... args) {
+        return I18n.format(format, args);
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/util/CTIntRange.java b/src/main/java/youyihj/zenutils/util/CTIntRange.java
new file mode 100644
index 0000000..80d3650
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/util/CTIntRange.java
@@ -0,0 +1,44 @@
+package youyihj.zenutils.util;
+
+import crafttweaker.annotations.ZenRegister;
+import stanhebben.zenscript.annotations.ZenCaster;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenMethod;
+import stanhebben.zenscript.value.IntRange;
+
+@ZenRegister
+@ZenClass("mods.zenutils.IntRange")
+@SuppressWarnings("unused")
+public class CTIntRange {
+    private IntRange intRange;
+
+    private CTIntRange(IntRange range) {
+        this.intRange = range;
+    }
+
+    @ZenMethod
+    public static CTIntRange get(int from, int to) {
+        return new CTIntRange(new IntRange(from, to));
+    }
+
+    @ZenMethod
+    public static CTIntRange get(IntRange range) {
+        return new CTIntRange(range);
+    }
+
+    @ZenCaster
+    @ZenMethod
+    public IntRange castToIntRange() {
+        return this.intRange;
+    }
+
+    @ZenMethod
+    public int getFrom() {
+        return this.intRange.getFrom();
+    }
+
+    @ZenMethod
+    public int getTo() {
+        return this.intRange.getTo();
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/util/CTUUID.java b/src/main/java/youyihj/zenutils/util/CTUUID.java
new file mode 100644
index 0000000..70fa651
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/util/CTUUID.java
@@ -0,0 +1,58 @@
+package youyihj.zenutils.util;
+
+import crafttweaker.annotations.ZenRegister;
+import stanhebben.zenscript.annotations.*;
+
+import java.util.UUID;
+
+@ZenRegister
+@ZenClass("mods.zenutils.UUID")
+@SuppressWarnings("unused")
+public class CTUUID {
+
+    private final UUID uuid;
+
+    public CTUUID(UUID uuid) {
+        this.uuid = uuid;
+    }
+
+    @ZenMethod
+    public long getMostSignificantBits() {
+        return this.uuid.getMostSignificantBits();
+    }
+
+    @ZenMethod
+    public long getLeastSignificantBits() {
+        return this.uuid.getLeastSignificantBits();
+    }
+
+    @ZenMethod
+    @ZenCaster
+    public String asString() {
+        return this.uuid.toString();
+    }
+
+    @ZenMethod
+    public static CTUUID randomUUID() {
+        return new CTUUID(UUID.randomUUID());
+    }
+
+    @ZenMethod
+    public static CTUUID fromString(String name) {
+        return new CTUUID(UUID.fromString(name));
+    }
+
+    @ZenOperator(OperatorType.EQUALS)
+    public boolean equals(CTUUID other) {
+        return this.uuid.equals(other.uuid);
+    }
+
+    @ZenOperator(OperatorType.COMPARE)
+    public int compareTo(CTUUID other) {
+        return this.uuid.compareTo(other.uuid);
+    }
+
+    public Object getInternal() {
+        return this.uuid;
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/util/HexHelper.java b/src/main/java/youyihj/zenutils/util/HexHelper.java
new file mode 100644
index 0000000..ef47539
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/util/HexHelper.java
@@ -0,0 +1,20 @@
+package youyihj.zenutils.util;
+
+import crafttweaker.annotations.ZenRegister;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenMethod;
+
+@ZenRegister
+@ZenClass("mods.zenutils.HexHelper")
+@SuppressWarnings("unused")
+public class HexHelper {
+    @ZenMethod
+    public static String toHexString(int i) {
+        return Integer.toHexString(i);
+    }
+
+    @ZenMethod
+    public static int toDecInteger(String hex) {
+        return Integer.parseInt(hex, 16);
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/util/StaticString.java b/src/main/java/youyihj/zenutils/util/StaticString.java
new file mode 100644
index 0000000..bc3b263
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/util/StaticString.java
@@ -0,0 +1,40 @@
+package youyihj.zenutils.util;
+
+import crafttweaker.annotations.ZenRegister;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenMethod;
+
+@ZenRegister
+@ZenClass("mods.zenutils.StaticString")
+@SuppressWarnings("unused")
+public class StaticString {
+    @ZenMethod
+    public static String valueOf(int i) {
+        return String.valueOf(i);
+    }
+
+    @ZenMethod
+    public static String valueOf(boolean b) {
+        return String.valueOf(b);
+    }
+
+    @ZenMethod
+    public static String valueOf(long l) {
+        return String.valueOf(l);
+    }
+
+    @ZenMethod
+    public static String valueOf(float f) {
+        return String.valueOf(f);
+    }
+
+    @ZenMethod
+    public static String valueOf(double d) {
+        return String.valueOf(d);
+    }
+
+    @ZenMethod
+    public static String format(String format, String... args) {
+        return String.format(format, args);
+    }
+}
diff --git a/src/main/java/youyihj/zenutils/world/ZenUtilsWorld.java b/src/main/java/youyihj/zenutils/world/ZenUtilsWorld.java
new file mode 100644
index 0000000..162b52f
--- /dev/null
+++ b/src/main/java/youyihj/zenutils/world/ZenUtilsWorld.java
@@ -0,0 +1,57 @@
+package youyihj.zenutils.world;
+
+import com.google.common.collect.Lists;
+import crafttweaker.annotations.ZenRegister;
+import crafttweaker.api.entity.IEntity;
+import crafttweaker.api.player.IPlayer;
+import crafttweaker.api.world.IWorld;
+import crafttweaker.mc1120.player.MCPlayer;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.world.World;
+import stanhebben.zenscript.annotations.ZenClass;
+import stanhebben.zenscript.annotations.ZenExpansion;
+import stanhebben.zenscript.annotations.ZenMethod;
+import youyihj.zenutils.util.CTUUID;
+
+import javax.annotation.Nullable;
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@ZenRegister
+@ZenClass("mods.zenutils.ZenUtilsWorld")
+@ZenExpansion("crafttweaker.world.IWorld")
+@SuppressWarnings("unused")
+public class ZenUtilsWorld {
+    @Nullable
+    @ZenMethod
+    public static IPlayer getPlayerByName(IWorld iWorld, String name) {
+       EntityPlayer player = (((World) iWorld.getInternal()).getPlayerEntityByName(name));
+       return (player == null) ? null : new MCPlayer(player);
+    }
+
+    @Nullable
+    @ZenMethod
+    public static IPlayer getPlayerByUUID(IWorld iWorld, CTUUID uuid) {
+        EntityPlayer player = ((World) iWorld.getInternal()).getPlayerEntityByUUID((UUID) uuid.getInternal());
+        return (player == null) ? null : new MCPlayer(player);
+    }
+
+    @ZenMethod
+    public static List<IPlayer> getAllPlayers(IWorld iWorld) {
+        List<IPlayer> temp = Lists.newArrayList();
+        temp.addAll(((World) iWorld.getInternal()).playerEntities.stream().map(MCPlayer::new).collect(Collectors.toList()));
+        return temp;
+    }
+
+    @ZenMethod
+    public static IPlayer getClosestPlayerToEntity(IWorld iWorld, IEntity iEntity, double distance, boolean spectator) {
+        return getClosestPlayer(iWorld, iEntity.getPosX(), iEntity.getPosY(), iEntity.getPosZ(), distance, spectator);
+    }
+
+    @ZenMethod
+    public static IPlayer getClosestPlayer(IWorld iWorld, double posX, double posY, double posZ, double distance, boolean spectator) {
+        EntityPlayer player = ((World) iWorld.getInternal()).getClosestPlayer(posX, posY, posZ, distance, spectator);
+        return (player == null) ? null : new MCPlayer(player);
+    }
+}
diff --git a/src/main/resources/mcmod.info b/src/main/resources/mcmod.info
new file mode 100644
index 0000000..7cb1ddf
--- /dev/null
+++ b/src/main/resources/mcmod.info
@@ -0,0 +1,16 @@
+[
+{
+  "modid": "zenutils",
+  "name": "ZenUtils",
+  "description": "Expose more method to zenscript",
+  "version": "${version}",
+  "mcversion": "${mcversion}",
+  "url": "",
+  "updateUrl": "",
+  "authorList": ["youyihj"],
+  "credits": "",
+  "logoFile": "",
+  "screenshots": [],
+  "dependencies": []
+}
+]
diff --git a/src/main/resources/pack.mcmeta b/src/main/resources/pack.mcmeta
new file mode 100644
index 0000000..4018267
--- /dev/null
+++ b/src/main/resources/pack.mcmeta
@@ -0,0 +1,7 @@
+{
+    "pack": {
+        "description": "examplemod resources",
+        "pack_format": 3,
+        "_comment": "A pack_format of 3 should be used starting with Minecraft 1.11. All resources, including language files, should be lowercase (eg: en_us.lang). A pack_format of 2 will load your mod resources with LegacyV2Adapter, which requires language files to have uppercase letters (eg: en_US.lang)."
+    }
+}