MOHAWK: Implement deleteVar for LB.

2 files changed, 10 insertions, 1 deletions

diff --git a/engines/mohawk/livingbooks_code.cpp b/engines/mohawk/livingbooks_code.cpp
index 3b2941a6f4..298569c050 100644
--- a/engines/mohawk/livingbooks_code.cpp
+++ b/engines/mohawk/livingbooks_code.cpp
@@ -858,7 +858,7 @@ CodeCommandInfo generalCommandInfo[NUM_GENERAL_COMMANDS] = {
 	{ "traceRect", 0 },
 	{ "sqrt", 0 },
 	// 0x20
-	{ "deleteVar", 0 },
+	{ "deleteVar", &LBCode::cmdDeleteVar },
 	{ "saveVars", 0 },
 	{ "scriptLink", 0 },
 	{ "setViewOrigin", &LBCode::cmdUnimplemented },
@@ -1279,6 +1279,14 @@ void LBCode::cmdGetProperty(const Common::Array<LBValue> &params) {
 	_stack.push(target->_variables[name]);
 }
 
+void LBCode::cmdDeleteVar(const Common::Array<LBValue> &params) {
+	if (params.size() != 1)
+		error("incorrect number of parameters (%d) to deleteVar", params.size());
+
+	const Common::String &string = params[0].toString();
+	_vm->_variables.erase(string);
+}
+
 void LBCode::cmdExec(const Common::Array<LBValue> &params) {
 	if (params.size() != 1)
 		error("incorrect number of parameters (%d) to exec", params.size());
diff --git a/engines/mohawk/livingbooks_code.h b/engines/mohawk/livingbooks_code.h
index b6b38b61fc..c9d62ff799 100644
--- a/engines/mohawk/livingbooks_code.h
+++ b/engines/mohawk/livingbooks_code.h
@@ -275,6 +275,7 @@ public:
 	void cmdDeleteAt(const Common::Array<LBValue> &params);
 	void cmdSetProperty(const Common::Array<LBValue> &params);
 	void cmdGetProperty(const Common::Array<LBValue> &params);
+	void cmdDeleteVar(const Common::Array<LBValue> &params);
 	void cmdExec(const Common::Array<LBValue> &params);
 	void cmdReturn(const Common::Array<LBValue> &params);
 	void cmdSetPlayParams(const Common::Array<LBValue> &params);