Null check this stuff

2 files changed, 11 insertions, 13 deletions

diff --git a/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/GT_MetaTileEntity_DataReader.java b/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/GT_MetaTileEntity_DataReader.java
index c98db2b985..a56172c7f4 100644
--- a/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/GT_MetaTileEntity_DataReader.java
+++ b/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/GT_MetaTileEntity_DataReader.java
@@ -26,9 +26,7 @@ import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.ResourceLocation;
 import net.minecraftforge.fluids.FluidStack;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.*;
 
 import static com.github.technus.tectech.CommonValues.V;
 import static com.github.technus.tectech.Reference.MODID;
@@ -93,8 +91,7 @@ public class GT_MetaTileEntity_DataReader extends GT_MetaTileEntity_BasicMachine
             return DID_NOT_FIND_RECIPE;
         }
         ItemStack input=getInputAt(0);
-        ArrayList<IDataRender> renders=getRenders(new Util.ItemStack_NoNBT(input));
-        for(IDataRender render:renders){
+        for(IDataRender render:getRenders(new Util.ItemStack_NoNBT(input))){
             if(render.canRender(input,mTier)){
                 mOutputItems[0]=input.copy();
                 input.stackSize-=1;
@@ -186,8 +183,9 @@ public class GT_MetaTileEntity_DataReader extends GT_MetaTileEntity_BasicMachine
         renders.add(render);
     }
 
-    public static ArrayList<IDataRender> getRenders(Util.ItemStack_NoNBT stack){
-        return RENDER_REGISTRY.get(stack);
+    public static List<IDataRender> getRenders(Util.ItemStack_NoNBT stack){
+        ArrayList<IDataRender> iDataRenders = RENDER_REGISTRY.get(stack);
+        return iDataRenders==null?Collections.emptyList():iDataRenders;
     }
 
     public interface IDataRender {
diff --git a/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/gui/GT_GUIContainer_DataReader.java b/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/gui/GT_GUIContainer_DataReader.java
index eb2c2e4112..e0e3cdd6b8 100644
--- a/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/gui/GT_GUIContainer_DataReader.java
+++ b/src/main/java/com/github/technus/tectech/thing/metaTileEntity/single/gui/GT_GUIContainer_DataReader.java
@@ -115,8 +115,8 @@ public class GT_GUIContainer_DataReader extends GT_GUIContainerMetaTile_Machine
 
     private void renderDataBG(ItemStack thing, int mouseX, int mouseY, int x, int y, byte mTier) {
         if (thing != null) {
-            ArrayList<GT_MetaTileEntity_DataReader.IDataRender> renders = GT_MetaTileEntity_DataReader.getRenders(new Util.ItemStack_NoNBT(thing));
-            for (GT_MetaTileEntity_DataReader.IDataRender render : renders) {
+            for (GT_MetaTileEntity_DataReader.IDataRender render :
+                    GT_MetaTileEntity_DataReader.getRenders(new Util.ItemStack_NoNBT(thing))) {
                 if (render.canRender(thing, mTier)) {
                     if (!GT_Utility.areStacksEqual(stack, thing, false)) {
                         render.initRender(thing);
@@ -133,8 +133,8 @@ public class GT_GUIContainer_DataReader extends GT_GUIContainerMetaTile_Machine
         if(stack==null){
             return false;
         }
-        ArrayList<GT_MetaTileEntity_DataReader.IDataRender> renders = GT_MetaTileEntity_DataReader.getRenders(new Util.ItemStack_NoNBT(stack));
-        for (GT_MetaTileEntity_DataReader.IDataRender render : renders) {
+        for (GT_MetaTileEntity_DataReader.IDataRender render :
+                GT_MetaTileEntity_DataReader.getRenders(new Util.ItemStack_NoNBT(stack))) {
             if (render.canRender(stack, mTier)) {
                 render.renderForeground(stack, mouseX, mouseY, this, fontRendererObj);
                 return true;
@@ -147,8 +147,8 @@ public class GT_GUIContainer_DataReader extends GT_GUIContainerMetaTile_Machine
         if(stack==null){
             return false;
         }
-        ArrayList<GT_MetaTileEntity_DataReader.IDataRender> renders = GT_MetaTileEntity_DataReader.getRenders(new Util.ItemStack_NoNBT(stack));
-        for (GT_MetaTileEntity_DataReader.IDataRender render : renders) {
+        for (GT_MetaTileEntity_DataReader.IDataRender render :
+                GT_MetaTileEntity_DataReader.getRenders(new Util.ItemStack_NoNBT(stack))) {
             if (render.canRender(stack, mTier)) {
                 render.renderTooltips(stack, mouseX, mouseY, this);
                 return true;