Add hint blocks and fallbacks

2 files changed, 52 insertions, 5 deletions

diff --git a/src/main/java/com/github/technus/tectech/mechanics/structure/StructureUtility.java b/src/main/java/com/github/technus/tectech/mechanics/structure/StructureUtility.java
index 69f5a6e43c..fe7a0d7510 100644
--- a/src/main/java/com/github/technus/tectech/mechanics/structure/StructureUtility.java
+++ b/src/main/java/com/github/technus/tectech/mechanics/structure/StructureUtility.java
@@ -13,14 +13,51 @@ import net.minecraft.world.World;
 
 import java.util.*;
 
+import static com.github.technus.tectech.thing.casing.TT_Container_Casings.sHintCasingsTT;
+
 public class StructureUtility {
     private static final String NICE_CHARS ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789`~!@#$%^&*()_=|[]{};:'<>,./?";
     @SuppressWarnings("rawtypes")
     private static final Map<Vec3Impl,IStructureNavigate> STEP = new HashMap<>();
     @SuppressWarnings("rawtypes")
-    private static final IStructureElement AIR= (t, world, x, y, z) -> world.getBlock(x, y, z).getMaterial() == Material.air;
+    private static final IStructureElement AIR= new IStructureElement() {
+        @Override
+        public boolean check(Object t, World world, int x, int y, int z) {
+            return world.getBlock(x, y, z).getMaterial() == Material.air;
+        }
+
+        @Override
+        public boolean spawnHint(Object o, World world, int x, int y, int z) {
+            TecTech.proxy.hint_particle(world,x,y,z,sHintCasingsTT,13);
+            return true;
+        }
+    };
+    @SuppressWarnings("rawtypes")
+    private static final IStructureElement NOT_AIR= new IStructureElement() {
+        @Override
+        public boolean check(Object t, World world, int x, int y, int z) {
+            return world.getBlock(x, y, z).getMaterial() != Material.air;
+        }
+
+        @Override
+        public boolean spawnHint(Object o, World world, int x, int y, int z) {
+            TecTech.proxy.hint_particle(world,x,y,z,sHintCasingsTT,14);
+            return true;
+        }
+    };
     @SuppressWarnings("rawtypes")
-    private static final IStructureElement NOT_AIR= (t, world, x, y, z) -> world.getBlock(x, y, z).getMaterial() != Material.air;
+    private static final IStructureElement ERROR= new IStructureElement() {
+        @Override
+        public boolean check(Object t, World world, int x, int y, int z) {
+            return false;
+        }
+
+        @Override
+        public boolean spawnHint(Object o, World world, int x, int y, int z) {
+            TecTech.proxy.hint_particle(world,x,y,z,sHintCasingsTT,15);
+            return true;
+        }
+    };
 
     private StructureUtility(){
 
@@ -36,6 +73,11 @@ public class StructureUtility {
         return NOT_AIR;
     }
 
+    @SuppressWarnings("unchecked")
+    public static <T> IStructureElement<T> error(){
+        return ERROR;
+    }
+
     /**
      * Does not allow Block duplicates (with different meta)
      */
@@ -277,6 +319,7 @@ public class StructureUtility {
         };
     }
 
+    @SafeVarargs
     public static <T> IStructureFallback<T> ofElementChain(IStructureElement<T>... elementChain){
         if(elementChain==null || elementChain.length==0){
             throw new IllegalArgumentException();
@@ -289,6 +332,7 @@ public class StructureUtility {
         return () -> elementChain;
     }
 
+    @SafeVarargs
     public static <T> IStructureFallbackProvider<T> ofProviderChain(IStructureElementProvider<T>... elementChain){
         if(elementChain==null || elementChain.length==0){
             throw new IllegalArgumentException();
diff --git a/src/main/java/com/github/technus/tectech/thing/metaTileEntity/multi/GT_MetaTileEntity_EM_transformer.java b/src/main/java/com/github/technus/tectech/thing/metaTileEntity/multi/GT_MetaTileEntity_EM_transformer.java
index 6d83b80d9a..62c2b981a1 100644
--- a/src/main/java/com/github/technus/tectech/thing/metaTileEntity/multi/GT_MetaTileEntity_EM_transformer.java
+++ b/src/main/java/com/github/technus/tectech/thing/metaTileEntity/multi/GT_MetaTileEntity_EM_transformer.java
@@ -20,11 +20,11 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.ResourceLocation;
 
-import static com.github.technus.tectech.mechanics.structure.StructureUtility.ofBlock;
-import static com.github.technus.tectech.mechanics.structure.StructureUtility.ofHatchAdder;
+import static com.github.technus.tectech.mechanics.structure.StructureUtility.*;
 import static com.github.technus.tectech.thing.casing.GT_Block_CasingsTT.textureOffset;
 import static com.github.technus.tectech.thing.casing.GT_Block_CasingsTT.texturePage;
 import static com.github.technus.tectech.thing.casing.TT_Container_Casings.sBlockCasingsTT;
+import static com.github.technus.tectech.thing.casing.TT_Container_Casings.sHintCasingsTT;
 import static gregtech.api.GregTech_API.sBlockCasings1;
 import static net.minecraft.util.StatCollector.translateToLocal;
 
@@ -45,7 +45,10 @@ public class GT_MetaTileEntity_EM_transformer extends GT_MetaTileEntity_Multiblo
                             {"111", "111", "111",},
                     })
                     .addElement('0', ofBlock(sBlockCasings1,15))
-                    .addElement('1', trafo->ofHatchAdder(trafo::addEnergyIOToMachineList,textureOffset,sBlockCasingsTT,0))
+                    .addElement('1', ofProviderChain(
+                            trafo->ofHatchAdder(trafo::addEnergyIOToMachineList,textureOffset,sHintCasingsTT,0),
+                            ofBlock(sBlockCasingsTT,0)
+                    ))
                     .build();
 
     @Override