- added vector builtins Length() and Unit().

This should complete the vector type except for use as function parameter.

src/scripting/codegeneration/codegen.h

@@ -266,6 +266,7 @@ enum EFxType
 	EFX_SwitchStatement,
 	EFX_CaseStatement,
 	EFX_VectorInitializer,
+	EFX_VectorBuiltin,
 	EFX_COUNT
 };
 
@@ -1254,6 +1255,25 @@ public:
 	ExpEmit Emit(VMFunctionBuilder *build);
 };
 
+//==========================================================================
+//
+//	FxFlopFunctionCall
+//
+//==========================================================================
+
+class FxVectorBuiltin : public FxExpression
+{
+	FName Function;
+	FxExpression *Self;
+
+public:
+
+	FxVectorBuiltin(FxExpression *self, FName name);
+	~FxVectorBuiltin();
+	FxExpression *Resolve(FCompileContext&);
+	ExpEmit Emit(VMFunctionBuilder *build);
+};
+
 //==========================================================================
 //
 // FxVMFunctionCall