keep cam pos after undo

Bithack · Oct 15, 2024 · 9a79d05 · 9a79d05
1 parent c138b18
commit 9a79d05
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/src/src/gundo.cc b/src/src/gundo.cc
@@ -56,7 +56,14 @@ void undo_stack::checkpoint(const char *reason) {
     );
 }
 
-const char* undo_stack::restore() {
+const char* undo_stack::restore(bool keep_cam_pos /* = true */) {
+    float cx, cy, cz;
+    if (keep_cam_pos) {
+        cx = G->cam->_position.x;
+        cy = G->cam->_position.y;
+        cz = G->cam->_position.z;
+    }
+
     if (this->items.size() == 0) {
         tms_fatalf("undo_load: no items to load");
     }
@@ -68,5 +75,9 @@ const char* undo_stack::restore() {
     tms_infof("Restored level from undo stack");
 
     free(item.data);
+
+    if (keep_cam_pos) {
+        G->cam->set_position(cx, cy, cz);
+    }
     return item.reason;
 }
diff --git a/src/src/gundo.hh b/src/src/gundo.hh
@@ -36,7 +36,7 @@ struct undo_stack {
         // Returns the reason for the last checkpoint
         //
         // Avoid using this function directly, use P.add_action(ACTION_UNDO_RESTORE, 0) instead
-        const char* restore();
+        const char* restore(bool keep_cam_pos = true);
 };
 
 extern struct undo_stack undo;