From 5d54014ce3df6720bf508562c0e6f3b76da17f53 Mon Sep 17 00:00:00 2001
From: Ethan O'Brien <ethan.a.obrien@gmail.com>
Date: Sat, 14 Dec 2024 14:05:53 -0600
Subject: [PATCH] Read state from memory instead of saving to disk

---
 data/src/GameManager.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/data/src/GameManager.js b/data/src/GameManager.js
index 8ca4fd3..02328b5 100644
--- a/data/src/GameManager.js
+++ b/data/src/GameManager.js
@@ -5,7 +5,7 @@ class EJS_GameManager {
         this.FS = this.Module.FS;
         this.functions = {
             restart: this.Module.cwrap('system_restart', '', []),
-            saveStateInfo: this.Module.cwrap('save_state_info', 'null', []),
+            saveStateInfo: this.Module.cwrap('save_state_info', 'string', []),
             loadState: this.Module.cwrap('load_state', 'number', ['string', 'number']),
             screenshot: this.Module.cwrap('cmd_take_screenshot', '', []),
             simulateInput: this.Module.cwrap('simulate_input', 'null', ['number', 'number', 'number']),
@@ -172,8 +172,15 @@ class EJS_GameManager {
         this.functions.restart();
     }
     getState() {
-        this.functions.saveStateInfo();
-        return this.FS.readFile("/current.state");
+        const state = this.functions.saveStateInfo().split("|");
+        if (state[2] !== "1") {
+            console.error(state[0]);
+            return state[0];
+        }
+        const size = parseInt(state[0]);
+        const dataStart = parseInt(state[1]);
+        const data = this.Module.HEAPU8.subarray(dataStart, dataStart + size);
+        return new Uint8Array(data);
     }
     loadState(state) {
         try {