Allow overriding existing methods

mod_examples/modify_existing_building.js

@@ -0,0 +1,36 @@
+/**
+ * This shows how to modify an existing building
+ */
+registerMod(() => {
+    return class ModImpl extends shapez.Mod {
+        constructor(app, modLoader) {
+            super(
+                app,
+                {
+                    website: "https://tobspr.io",
+                    author: "tobspr",
+                    name: "Mod Example: Modify existing building",
+                    version: "1",
+                    id: "modify-existing-building",
+                    description: "Shows how to modify an existing building",
+                },
+                modLoader
+            );
+        }
+
+        init() {
+            // Make Rotator always unlocked
+            this.modInterface.replaceMethod(shapez.MetaRotaterBuilding, "getIsUnlocked", function () {
+                return true;
+            });
+
+            // Add some custom stats to the info panel when selecting the building
+            this.modInterface.replaceMethod(shapez.MetaRotaterBuilding, "getAdditionalStatistics", function (
+                root,
+                variant
+            ) {
+                return [["Awesomeness", 5]];
+            });
+        }
+    };
+});

src/js/game/component_registry.js

@@ -22,31 +22,34 @@ import { ItemProducerComponent } from "./components/item_producer";
 import { GoalAcceptorComponent } from "./components/goal_acceptor";
 
 export function initComponentRegistry() {
-    gComponentRegistry.register(StaticMapEntityComponent);
+    const components = [
-    gComponentRegistry.register(BeltComponent);
+        StaticMapEntityComponent,
-    gComponentRegistry.register(ItemEjectorComponent);
+        BeltComponent,
-    gComponentRegistry.register(ItemAcceptorComponent);
+        ItemEjectorComponent,
-    gComponentRegistry.register(MinerComponent);
+        ItemAcceptorComponent,
-    gComponentRegistry.register(ItemProcessorComponent);
+        MinerComponent,
-    gComponentRegistry.register(UndergroundBeltComponent);
+        ItemProcessorComponent,
-    gComponentRegistry.register(HubComponent);
+        UndergroundBeltComponent,
-    gComponentRegistry.register(StorageComponent);
+        HubComponent,
-    gComponentRegistry.register(WiredPinsComponent);
+        StorageComponent,
-    gComponentRegistry.register(BeltUnderlaysComponent);
+        WiredPinsComponent,
-    gComponentRegistry.register(WireComponent);
+        BeltUnderlaysComponent,
-    gComponentRegistry.register(ConstantSignalComponent);
+        WireComponent,
-    gComponentRegistry.register(LogicGateComponent);
+        ConstantSignalComponent,
-    gComponentRegistry.register(LeverComponent);
+        LogicGateComponent,
-    gComponentRegistry.register(WireTunnelComponent);
+        LeverComponent,
-    gComponentRegistry.register(DisplayComponent);
+        WireTunnelComponent,
-    gComponentRegistry.register(BeltReaderComponent);
+        DisplayComponent,
-    gComponentRegistry.register(FilterComponent);
+        BeltReaderComponent,
-    gComponentRegistry.register(ItemProducerComponent);
+        FilterComponent,
-    gComponentRegistry.register(GoalAcceptorComponent);
+        ItemProducerComponent,
+        GoalAcceptorComponent,
+    ];
+    components.forEach(component => gComponentRegistry.register(component));
 
     // IMPORTANT ^^^^^ UPDATE ENTITY COMPONENT STORAGE AFTERWARDS
 
-    // Sanity check - If this is thrown, you (=me, lol) forgot to add a new component here
+    // Sanity check - If this is thrown, you forgot to add a new component here
 
     assert(
         // @ts-ignore

src/js/main.js

@@ -21,37 +21,6 @@ if (window.coreThreadLoadedCb) {
     window.coreThreadLoadedCb();
 }
 
-// Logrocket
-// if (!G_IS_DEV && !G_IS_STANDALONE) {
-//     const monthlyUsers = 300; // thousand
-//     const logrocketLimit = 10; // thousand
-//     const percentageOfUsers = logrocketLimit / monthlyUsers;
-
-//     if (Math.random() <= percentageOfUsers) {
-//         logger.log("Analyzing this session with logrocket");
-//         const logrocket = require("logrocket");
-//         logrocket.init("p1x9zh/shapezio");
-
-//         try {
-//             logrocket.getSessionURL(function (sessionURL) {
-//                 logger.log("Connected lockrocket to GA");
-//                 // @ts-ignore
-//                 try {
-//                     window.ga("send", {
-//                         hitType: "event",
-//                         eventCategory: "LogRocket",
-//                         eventAction: sessionURL,
-//                     });
-//                 } catch (ex) {
-//                     logger.warn("Logrocket connection to analytics failed:", ex);
-//                 }
-//             });
-//         } catch (ex) {
-//             logger.warn("Logrocket connection to analytics failed:", ex);
-//         }
-//     }
-// }
-
 console.log(
     `%cshapez.io ️%c\n© 2022 tobspr Games\nCommit %c${G_BUILD_COMMIT_HASH}%c on %c${new Date(
         G_BUILD_TIME

src/js/mods/mod_interface.js

@@ -355,4 +355,11 @@ export class ModInterface {
             }
         });
     }
+
+    /**
+     * Patches a method on a given object
+     */
+    replaceMethod(classHandle, methodName, override) {
+        classHandle.prototype[methodName] = override;
+    }
 }