Revert "Getting locked in final metroid rooms should no longer be possible"

This reverts commit 5b74de42a7.

objects/oDoor.object.gmx

@@ -210,9 +210,72 @@ if (open == 0) {
     }
 }
 
-if(room == rm_a7b05 || room == rm_a7b06 || room == rm_a7b07 || room == rm_a7b08 || room == rm_a7b08A){
-    if(instance_number(oMonster) == 0){
-        event_user(3);
+if(room == rm_a7b05){
+    if(global.metdead[46] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+    if(oControl.mod_monstersextreme == 1 && global.metdead[67] == 1 && global.metdead[68] == 1 && global.metdead[81] == 1 && global.metdead[82] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+    if(oControl.mod_monstersextreme == 1 && oControl.mod_fusion == 1 && global.metdead[62] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+}
+
+if(room == rm_a7b06){
+    if(global.metdead[47] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+    if(oControl.mod_monstersextreme == 1 && global.metdead[69] == 1 && global.metdead[83] == 1 && global.metdead[70] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+    if((oControl.difficulty >= 2 || oControl.mod_fusion == 1 || oControl.mod_monstersextreme == 1) && global.metdead[54] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+}
+
+if(room == rm_a7b07){
+    if(global.metdead[48] == 1 && global.metdead[49] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+}
+
+if(room == rm_a7b08){
+    if(global.metdead[50] == 1 && global.metdead[51] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
+    }
+}
+
+if(room == rm_a7b08A){
+    if(global.metdead[52] == 1 && global.metdead[53] == 1){
+        if(lock == 4){
+            lock = 0;
+            open = 1;
+        }
     }
 }
 </string>