Added lua scripts and fixed a typo in state machine code

2026-06-08 11:08:54 +00:00 · 2016-06-06 22:36:51 -07:00
parent 50152ef2c9
commit aceb397307
6 changed files with 131 additions and 1 deletions
@@ -0,0 +1,37 @@
+function _verifyMap(address)
+    local parentItem = readInteger(address + 4) or 0
+
+    local parentLeftItem = readInteger(parentItem + 0) or 0
+    local parentRightItem = readInteger(parentItem + 8) or 0
+
+    local validParent =
+        parentLeftItem == address
+        or parentRightItem == address
+    if (not validParent) then return false end
+
+    local tries = 0
+    local lastChecked = parentItem
+    local parentsParent = readInteger(parentItem + 4) or 0
+    while (readInteger(parentsParent + 4) ~= lastChecked and tries < 200) do
+        tries = tries + 1
+        lastChecked = parentsParent
+        parentsParent = readInteger(parentsParent + 4) or 0
+    end
+
+    return readInteger(parentsParent + 4) == lastChecked
+end
+
+
+function isValueInMap(valueAddress)
+    for address = valueAddress - 12, valueAddress - 52, -4 do
+        if (_verifyMap(address)) then
+            return address
+        end
+    end
+    return 0
+end
+
+local node = isValueInMap(addressOfSomeValue)
+if (node > 0) then
+    print(string.format("Value in map, top of node at 0x0%x", node))
+end