fix central monitor causing EMI error & fix possible crash (GregTechCEu#3632)

Co-authored-by: jurrejelle <jurre@jilles.com>

Author: gustovafing

src/main/java/com/gregtechceu/gtceu/common/data/machines/GTMultiMachines.java

@@ -1135,7 +1135,7 @@ public class GTMultiMachines {
             .pattern((definition) -> FactoryBlockPattern.start()
                     .aisle("BCB", "BBB", "BBB", "BBB")
                     .where('C', Predicates.controller(Predicates.blocks(definition.get())))
-                    .where('B', CentralMonitorMachine.BLOCK_PREDICATE)
+                    .where('B', CentralMonitorMachine.getMultiPredicate())
                     .build())
             .modelProperty(RecipeLogic.STATUS_PROPERTY, RecipeLogic.Status.IDLE)
             .model(createWorkableCasingMachineModel(

src/main/java/com/gregtechceu/gtceu/common/machine/multiblock/electric/CentralMonitorMachine.java

@@ -69,8 +69,6 @@ public class CentralMonitorMachine extends WorkableElectricMultiblockMachine
     public static final ManagedFieldHolder MANAGED_FIELD_HOLDER = new ManagedFieldHolder(CentralMonitorMachine.class,
             WorkableMultiblockMachine.MANAGED_FIELD_HOLDER);
 
-    public static TraceabilityPredicate BLOCK_PREDICATE;
-
     @Persisted
     @DescSynced
     @Getter
@@ -85,10 +83,15 @@ public class CentralMonitorMachine extends WorkableElectricMultiblockMachine
 
     private MultiblockState patternFindingState;
 
+    private static TraceabilityPredicate MULTI_PREDICATE = null;
+
     public CentralMonitorMachine(IMachineBlockEntity holder) {
         super(holder);
-        if (BLOCK_PREDICATE == null) {
-            BLOCK_PREDICATE = Predicates.abilities(PartAbility.INPUT_ENERGY)
+    }
+
+    public static TraceabilityPredicate getMultiPredicate() {
+        if (MULTI_PREDICATE == null) {
+            MULTI_PREDICATE = Predicates.abilities(PartAbility.INPUT_ENERGY)
                     .setMinGlobalLimited(1).setMaxGlobalLimited(2).setPreviewCount(1)
                     .or(Predicates.abilities(PartAbility.DATA_ACCESS).setPreviewCount(1)
                             .or(Predicates.machines(GTMachines.BATTERY_BUFFER_4).setPreviewCount(0))
@@ -98,6 +101,7 @@ public CentralMonitorMachine(IMachineBlockEntity holder) {
                     .or(Predicates.machines(GTMachines.MONITOR))
                     .or(Predicates.blocks(GTBlocks.CASING_ALUMINIUM_FROSTPROOF.get()));
         }
+        return MULTI_PREDICATE;
     }
 
     @Override
@@ -172,7 +176,7 @@ public boolean isValidMonitorBlock(Level level, BlockPos pos) {
         if (level.isOutsideBuildHeight(pos)) return false;
 
         MultiblockState state = getPatternFindingState();
-        if (!state.update(pos, BLOCK_PREDICATE)) {
+        if (!state.update(pos, getMultiPredicate())) {
             return false;
         }
         state.io = IO.BOTH;
@@ -258,7 +262,7 @@ public BlockPattern getPattern() {
 
         return FactoryBlockPattern.start()
                 .aisle(aisle)
-                .where('B', BLOCK_PREDICATE)
+                .where('B', getMultiPredicate())
                 .where('C', Predicates.controller(Predicates.blocks(this.getDefinition().get())))
                 .build();
     }
@@ -405,6 +409,8 @@ public Widget createUIWidget() {
             label.setOnPressCallback(click -> {
                 group.getRelativePositions().forEach(pos -> {
                     BlockPos rel = toRelative(pos);
+                    if (imageButtons.size() - 1 < rel.getY()) return;
+                    if (imageButtons.get(rel.getY()).size() - 1 < rel.getX()) return;
                     imageButtons.get(rel.getY()).get(rel.getX()).accept(null);
                 });
                 if (group.getTargetRaw() != null) {
@@ -500,6 +506,8 @@ public Widget createUIWidget() {
             while (it.hasNext()) {
                 IMonitorComponent c = it.next();
                 BlockPos rel = toRelative(c.getPos());
+                if (imageButtons.size() - 1 < rel.getY()) continue;
+                if (imageButtons.get(rel.getY()).size() - 1 < rel.getX()) continue;
                 imageButtons.get(rel.getY()).get(rel.getX()).accept(it);
             }
             if (!selectedTargets.isEmpty()) {