Forbid undo of new-game if it would change the params.

[sgt-puzzles.git] / emccpre.js

diff --git a/emccpre.js b/emccpre.js
index 16702bb129c33c54c3fe6cf01e54e271339f9564..50825556171e5442827ea93865d2ba22334a40d9 100644 (file)
--- a/emccpre.js
+++ b/emccpre.js
@@ -299,6 +299,7 @@ function initPuzzle() {
     // 'number' is used for C pointers
     get_save_file = Module.cwrap('get_save_file', 'number', []);
     free_save_file = Module.cwrap('free_save_file', 'void', ['number']);
+    load_game = Module.cwrap('load_game', 'void', ['string', 'number']);
 
     document.getElementById("save").onclick = function(event) {
         if (dlg_dimmer === null) {
@@ -322,6 +323,31 @@ function initPuzzle() {
         }
     };
 
+    document.getElementById("load").onclick = function(event) {
+        if (dlg_dimmer === null) {
+            dialog_init("Upload saved-game file");
+            var input = document.createElement("input");
+            input.type = "file";
+            input.multiple = false;
+            dlg_form.appendChild(input);
+            dlg_form.appendChild(document.createElement("br"));
+            dialog_launch(function(event) {
+                if (input.files.length == 1) {
+                    var file = input.files.item(0);
+                    var reader = new FileReader();
+                    reader.addEventListener("loadend", function() {
+                        var string = reader.result;
+                        load_game(string, string.length);
+                    });
+                    reader.readAsBinaryString(file);
+                }
+                dialog_cleanup();
+            }, function(event) {
+                dialog_cleanup();
+            });
+        }
+    };
+
     gametypelist = document.getElementById("gametype");
     gametypesubmenus.push(gametypelist);