Add debug hologram projector (#79)

src/main/java/com/gtnewhorizon/structurelib/StructureLib.java

@@ -22,6 +22,7 @@ import com.gtnewhorizon.structurelib.command.CommandConfigureChannels;
 import com.gtnewhorizon.structurelib.command.CommandRegistryDebug;
 import com.gtnewhorizon.structurelib.item.ItemBlockHint;
 import com.gtnewhorizon.structurelib.item.ItemConstructableTrigger;
+import com.gtnewhorizon.structurelib.item.ItemDebugConstructableTrigger;
 import com.gtnewhorizon.structurelib.item.ItemFrontRotationTool;
 import com.gtnewhorizon.structurelib.net.AlignmentMessage;
 import com.gtnewhorizon.structurelib.net.ErrorHintParticleMessage;
@@ -99,6 +100,7 @@ public class StructureLib {
     static Item itemBlockHint;
     static Item itemFrontRotationTool;
     static Item itemConstructableTrigger;
+    static Item itemDebugConstructableTrigger;
     public static final CreativeTabs creativeTab = new CreativeTabs("structurelib") {
 
         @Override
@@ -119,6 +121,9 @@ public class StructureLib {
         GameRegistry.registerItem(
                 itemConstructableTrigger = new ItemConstructableTrigger(),
                 itemConstructableTrigger.getUnlocalizedName());
+        GameRegistry.registerItem(
+                itemDebugConstructableTrigger = new ItemDebugConstructableTrigger(),
+                itemDebugConstructableTrigger.getUnlocalizedName());
         proxy.preInit(e);
         NetworkRegistry.INSTANCE.registerGuiHandler(instance(), new GuiHandler());
 

src/main/java/com/gtnewhorizon/structurelib/alignment/constructable/ConstructableUtility.java

@@ -16,6 +16,7 @@ import com.gtnewhorizon.structurelib.StructureLib;
 import com.gtnewhorizon.structurelib.StructureLibAPI;
 import com.gtnewhorizon.structurelib.alignment.IAlignment;
 import com.gtnewhorizon.structurelib.alignment.enumerable.ExtendedFacing;
+import com.gtnewhorizon.structurelib.item.ItemDebugConstructableTrigger;
 import com.gtnewhorizon.structurelib.structure.IItemSource;
 import com.gtnewhorizon.structurelib.structure.ISurvivalBuildEnvironment;
 
@@ -73,7 +74,7 @@ public class ConstructableUtility {
         if (aPlayer instanceof EntityPlayerMP playerMP) {
             // server side and sneaking (already checked above)
             // do construct
-            if (aPlayer.capabilities.isCreativeMode) {
+            if (aPlayer.capabilities.isCreativeMode || aStack.getItem() instanceof ItemDebugConstructableTrigger) {
                 constructable.construct(aStack, false);
             } else if (constructable instanceof ISurvivalConstructable) {
                 int built = ((ISurvivalConstructable) constructable).survivalConstruct(

src/main/java/com/gtnewhorizon/structurelib/item/ItemDebugConstructableTrigger.java

@@ -0,0 +1,14 @@
+package com.gtnewhorizon.structurelib.item;
+
+import static com.gtnewhorizon.structurelib.StructureLibAPI.MOD_ID;
+
+/**
+ * Hologram projector that always performs a creative build, whatever the player's game mode.
+ */
+public class ItemDebugConstructableTrigger extends ItemConstructableTrigger {
+
+    public ItemDebugConstructableTrigger() {
+        setUnlocalizedName("structurelib.debugConstructableTrigger");
+        setTextureName(MOD_ID + ":itemDebugConstructableTrigger");
+    }
+}