adding SetTraceLogCallback

raylib/utils_log.go

@@ -0,0 +1,26 @@
+package rl
+
+/*
+#include "utils_log.h"
+*/
+import "C"
+
+import "unsafe"
+
+// TraceLogCallbackFun - function that will recive the trace log messages
+type TraceLogCallbackFun func(int, string)
+
+var internalTraceLogCallbackFun TraceLogCallbackFun = func(int, string) {}
+
+// SetTraceLogCallback - set a call-back function for trace log
+func SetTraceLogCallback(fn TraceLogCallbackFun) {
+	internalTraceLogCallbackFun = fn
+	C.setLogCallbackWrapper()
+}
+
+//export internalTraceLogCallbackGo
+func internalTraceLogCallbackGo(logType C.int, cstr unsafe.Pointer, len C.int) {
+	str := string(C.GoBytes(cstr, len))
+	lt := int(logType)
+	internalTraceLogCallbackFun(lt, str)
+}