diff --git a/build.gradle b/build.gradle
index 5ff59df..3a5be54 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,16 +5,20 @@ buildscript {
             name = "forge"
             url = "http://files.minecraftforge.net/maven"
         }
+        maven {
+            name = "sonatype"
+            url = "https://oss.sonatype.org/content/repositories/snapshots/"
+        }
     }
     dependencies {
-        classpath 'net.minecraftforge.gradle:ForgeGradle:1.0-SNAPSHOT'
+        classpath 'net.minecraftforge.gradle:ForgeGradle:1.2-SNAPSHOT'
     }
 }
 
 apply plugin: 'forge'
 
 minecraft {
-	version = "1.6.4-9.11.1.964"
+	version = "1.7.2-10.12.1.1060"
 }
 
 group = project.projectDir.name.toLowerCase()
@@ -34,7 +38,7 @@ dependencies {
 }
 
 // variable replacement in source files
-task processSources(type:Copy){
+task processSourcesCustom(type:Copy){
 	from('java')
 	{
 		include '**/ModInfo.java'
@@ -51,9 +55,9 @@ task cleanModInfo(type: Delete) {
 
 // correct task ordering
 processResources.dependsOn cleanModInfo
-compileJava.dependsOn processSources
+compileJava.dependsOn processSourcesCustom
 afterEvaluate { project ->
-	processSources.shouldRunAfter(sourceMainJava)
+	processSourcesCustom.shouldRunAfter(sourceMainJava)
 }
 
 processResources
diff --git a/java/squeek/quakemovement/ModConfig.java b/java/squeek/quakemovement/ModConfig.java
index 899a739..dd5e760 100644
--- a/java/squeek/quakemovement/ModConfig.java
+++ b/java/squeek/quakemovement/ModConfig.java
@@ -1,7 +1,7 @@
 package squeek.quakemovement;
 
 import java.io.File;
-import net.minecraftforge.common.Configuration;
+import net.minecraftforge.common.config.Configuration;
 
 public class ModConfig
 {
diff --git a/java/squeek/quakemovement/ModQuakeMovement.java b/java/squeek/quakemovement/ModQuakeMovement.java
index 253ec26..dcccf24 100644
--- a/java/squeek/quakemovement/ModQuakeMovement.java
+++ b/java/squeek/quakemovement/ModQuakeMovement.java
@@ -5,13 +5,12 @@ import api.player.server.ServerPlayerAPI;
 import cpw.mods.fml.common.Mod;
 import cpw.mods.fml.common.Mod.EventHandler;
 import cpw.mods.fml.common.Mod.Instance;
+import cpw.mods.fml.common.event.FMLInterModComms;
 import cpw.mods.fml.common.event.FMLPostInitializationEvent;
 import cpw.mods.fml.common.event.FMLPreInitializationEvent;
-import cpw.mods.fml.common.network.NetworkMod;
 import cpw.mods.fml.relauncher.Side;
 
 @Mod(modid = ModInfo.MODID, version = ModInfo.VERSION, dependencies = "required-after:PlayerAPI;after:Squeedometer")
-@NetworkMod(clientSideRequired = true)
 public class ModQuakeMovement
 {
 	// The instance of your mod that Forge uses.
@@ -31,5 +30,7 @@ public class ModQuakeMovement
 
 		if (event.getSide() == Side.CLIENT)
 			ClientPlayerAPI.register(ModInfo.MODID, QuakeClientPlayer.class);
+
+		FMLInterModComms.sendRuntimeMessage(ModInfo.MODID, "VersionChecker", "addVersionCheck", "http://www.ryanliptak.com/minecraft/versionchecker/squeek502/Squake");
 	}
 }
diff --git a/java/squeek/quakemovement/QuakeClientPlayer.java b/java/squeek/quakemovement/QuakeClientPlayer.java
index 76f9ba0..90a778b 100644
--- a/java/squeek/quakemovement/QuakeClientPlayer.java
+++ b/java/squeek/quakemovement/QuakeClientPlayer.java
@@ -4,6 +4,7 @@ import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
 import net.minecraft.block.Block;
+import net.minecraft.block.material.Material;
 import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.util.MathHelper;
 import api.player.client.ClientPlayerAPI;
@@ -156,12 +157,9 @@ public class QuakeClientPlayer extends ClientPlayerBase
 
 		if (this.player.onGround)
 		{
-			int j = this.player.worldObj.getBlockId(MathHelper.floor_double(this.player.posX), MathHelper.floor_double(this.player.boundingBox.minY) - 1, MathHelper.floor_double(this.player.posZ));
+			Block ground = this.player.worldObj.getBlock(MathHelper.floor_double(this.player.posX), MathHelper.floor_double(this.player.boundingBox.minY) - 1, MathHelper.floor_double(this.player.posZ));
 
-			if (j > 0)
-			{
-				f2 = 1.0F - Block.blocksList[j].slipperiness;
-			}
+			f2 = 1.0F - ground.slipperiness;
 		}
 
 		return f2;
@@ -173,12 +171,10 @@ public class QuakeClientPlayer extends ClientPlayerBase
 		if (this.player.onGround)
 		{
 			f2 = 0.54600006F;
-			int j = this.player.worldObj.getBlockId(MathHelper.floor_double(this.player.posX), MathHelper.floor_double(this.player.boundingBox.minY) - 1, MathHelper.floor_double(this.player.posZ));
+			Block ground = this.player.worldObj.getBlock(MathHelper.floor_double(this.player.posX), MathHelper.floor_double(this.player.boundingBox.minY) - 1, MathHelper.floor_double(this.player.posZ));
 
-			if (j > 0)
-			{
-				f2 = Block.blocksList[j].slipperiness * 0.91F;
-			}
+			if (ground != null)
+				f2 = ground.slipperiness * 0.91F;
 		}
 		return f2;
 	}
@@ -236,13 +232,13 @@ public class QuakeClientPlayer extends ClientPlayerBase
 		int j = MathHelper.floor_double(this.player.posX);
 		int i = MathHelper.floor_double(this.player.posY - 0.20000000298023224D - this.player.yOffset);
 		int k = MathHelper.floor_double(this.player.posZ);
-		int l = this.player.worldObj.getBlockId(j, i, k);
+		Block ground = this.player.worldObj.getBlock(j, i, k);
 
-		if (l > 0)
+		if (ground != null && ground.getMaterial() != Material.air)
 		{
 			for (int iParticle = 0; iParticle < numParticles; iParticle++)
 			{
-				this.player.worldObj.spawnParticle("tilecrack_" + l + "_" + this.player.worldObj.getBlockMetadata(j, i, k), this.player.posX + (this.playerAPI.getRandField().nextFloat() - 0.5D) * this.player.width, this.player.boundingBox.minY + 0.1D, this.player.posZ + (this.playerAPI.getRandField().nextFloat() - 0.5D) * this.player.width, -this.player.motionX * 4.0D, 1.5D, -this.player.motionZ * 4.0D);
+				this.player.worldObj.spawnParticle("blockcrack_" + Block.getIdFromBlock(ground) + "_" + this.player.worldObj.getBlockMetadata(j, i, k), this.player.posX + (this.playerAPI.getRandField().nextFloat() - 0.5D) * this.player.width, this.player.boundingBox.minY + 0.1D, this.player.posZ + (this.playerAPI.getRandField().nextFloat() - 0.5D) * this.player.width, -this.player.motionX * 4.0D, 1.5D, -this.player.motionZ * 4.0D);
 			}
 		}
 	}