From a7b957642f1b8dcf13c15137c0e62239404c9e72 Mon Sep 17 00:00:00 2001
From: tobspr <tobias.springer1@googlemail.com>
Date: Fri, 14 Jan 2022 19:07:37 +0100
Subject: [PATCH] Add some mod signals

---
 src/js/core/state_manager.js          |  3 +++
 src/js/game/core.js                   |  2 ++
 src/js/mods/demo_mod.nobuild/index.js | 22 ++++++++++++++++++++++
 src/js/mods/mod_signals.js            |  7 +++++++
 src/js/states/ingame.js               |  1 +
 5 files changed, 35 insertions(+)

diff --git a/src/js/core/state_manager.js b/src/js/core/state_manager.js
index 2e55f5d4..e8a8ba94 100644
--- a/src/js/core/state_manager.js
+++ b/src/js/core/state_manager.js
@@ -6,6 +6,7 @@ import { GameState } from "./game_state";
 import { createLogger } from "./logging";
 import { APPLICATION_ERROR_OCCURED } from "./error_handler";
 import { waitNextFrame, removeAllChildren } from "./utils";
+import { MOD_SIGNALS } from "../mods/mod_signals";
 
 const logger = createLogger("state_manager");
 
@@ -109,6 +110,8 @@ export class StateManager {
             key
         );
 
+        MOD_SIGNALS.stateEntered.dispatch(this.currentState);
+
         waitNextFrame().then(() => {
             document.body.classList.add("arrived");
         });
diff --git a/src/js/game/core.js b/src/js/game/core.js
index a0ee3713..aa411c3d 100644
--- a/src/js/game/core.js
+++ b/src/js/game/core.js
@@ -38,6 +38,7 @@ import { ShapeDefinitionManager } from "./shape_definition_manager";
 import { AchievementProxy } from "./achievement_proxy";
 import { SoundProxy } from "./sound_proxy";
 import { GameTime } from "./time/game_time";
+import { MOD_SIGNALS } from "../mods/mod_signals";
 
 const logger = createLogger("ingame/core");
 
@@ -161,6 +162,7 @@ export class GameCore {
         }
 
         logger.log("root initialized");
+        MOD_SIGNALS.gameInitialized.dispatch(root);
     }
 
     /**
diff --git a/src/js/mods/demo_mod.nobuild/index.js b/src/js/mods/demo_mod.nobuild/index.js
index 35cd8532..1ff42074 100644
--- a/src/js/mods/demo_mod.nobuild/index.js
+++ b/src/js/mods/demo_mod.nobuild/index.js
@@ -208,6 +208,28 @@ registerMod(shapez => {
                     return shapez.STOP_PROPAGATION;
                 },
             });
+
+            // Add fancy sign to main menu
+            this.signals.stateEntered.add(state => {
+                if (state.key === "MainMenuState") {
+                    const element = document.createElement("div");
+                    element.innerText = "Hello World from mod!";
+                    element.id = "demo_mod_hello_world_element";
+                    document.body.appendChild(element);
+                }
+            });
+
+            this.modInterface.registerCss(`
+                #demo_mod_hello_world_element {
+                    position: fixed;
+                    top: 10px;
+                    left: 10px;
+                    color: red;
+                    z-index: 999;
+                    font-size: 50px;
+                }
+
+            `);
         }
     };
 });
diff --git a/src/js/mods/mod_signals.js b/src/js/mods/mod_signals.js
index 9b893e66..16e08f8a 100644
--- a/src/js/mods/mod_signals.js
+++ b/src/js/mods/mod_signals.js
@@ -1,6 +1,8 @@
 /* typehints:start */
 import { BaseHUDPart } from "../game/hud/base_hud_part";
 import { GameRoot } from "../game/root";
+import { GameState } from "../core/game_state";
+import { InGameState } from "../states/ingame";
 /* typehints:end */
 
 import { Signal } from "../core/signal";
@@ -18,5 +20,10 @@ export const MOD_SIGNALS = {
     hudElementInitialized: /** @type {TypedSignal<[BaseHUDPart]>} */ (new Signal()),
     hudElementFinalized: /** @type {TypedSignal<[BaseHUDPart]>} */ (new Signal()),
 
+    gameInitialized: /** @type {TypedSignal<[GameRoot]>} */ (new Signal()),
+    gameLoadingStageEntered: /** @type {TypedSignal<[InGameState, string]>} */ (new Signal()),
+
     gameStarted: /** @type {TypedSignal<[GameRoot]>} */ (new Signal()),
+
+    stateEntered: /** @type {TypedSignal<[GameState]>} */ (new Signal()),
 };
diff --git a/src/js/states/ingame.js b/src/js/states/ingame.js
index 1d16c4f4..3c2bf84d 100644
--- a/src/js/states/ingame.js
+++ b/src/js/states/ingame.js
@@ -96,6 +96,7 @@ export class InGameState extends GameState {
         if (stage !== this.stage) {
             this.stage = stage;
             logger.log(this.stage);
+            MOD_SIGNALS.gameLoadingStageEntered.dispatch(this, stage);
             return true;
         } else {
             // log(this, "Re entering", stage);