Add item filter

src/js/game/systems/item_ejector.js

@@ -283,6 +283,16 @@ export class ItemEjectorSystem extends GameSystemWithFilter {
 
         const itemProcessorComp = receiver.components.ItemProcessor;
         if (itemProcessorComp) {
+            // @todo HACK
+            // Check if there are pins, and if so if they are connected
+            const pinsComp = receiver.components.WiredPins;
+            if (pinsComp && pinsComp.slots.length === 1) {
+                const network = pinsComp.slots[0].linkedNetwork;
+                if (!network || !network.currentValue) {
+                    return false;
+                }
+            }
+
             // Its an item processor ..
             if (itemProcessorComp.tryTakeItem(item, slotIndex)) {
                 return true;

src/js/game/systems/item_processor.js

@@ -1,9 +1,10 @@
 import { globalConfig } from "../../core/config";
-import { BaseItem, enumItemType } from "../base_item";
+import { BaseItem } from "../base_item";
 import { enumColorMixingResults } from "../colors";
 import { enumItemProcessorTypes, ItemProcessorComponent } from "../components/item_processor";
 import { Entity } from "../entity";
 import { GameSystemWithFilter } from "../game_system_with_filter";
+import { BOOL_TRUE_SINGLETON } from "../items/boolean_item";
 import { ColorItem } from "../items/color_item";
 import { ShapeItem } from "../items/shape_item";
 
@@ -329,6 +330,38 @@ export class ItemProcessorSystem extends GameSystemWithFilter {
                 break;
             }
 
+            // FILTER
+            case enumItemProcessorTypes.filter: {
+                // TODO
+                trackProduction = false;
+
+                const item = itemsBySlot[0].item;
+
+                const network = entity.components.WiredPins.slots[0].linkedNetwork;
+                if (!network || !network.currentValue) {
+                    outItems.push({
+                        item,
+                        requiredSlot: 1,
+                    });
+                    break;
+                }
+
+                const value = network.currentValue;
+                if (value.equals(BOOL_TRUE_SINGLETON) || value.equals(item)) {
+                    outItems.push({
+                        item,
+                        requiredSlot: 0,
+                    });
+                } else {
+                    outItems.push({
+                        item,
+                        requiredSlot: 1,
+                    });
+                }
+
+                break;
+            }
+
             // HUB
 
             case enumItemProcessorTypes.hub: {