From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001
From: Jef <jef@targetspot.com>
Date: Tue, 24 Sep 2024 14:54:57 +0200
Subject: Initial community commit

---
 .../openmpt-trunk/common/mptRandom.cpp             | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Src/external_dependencies/openmpt-trunk/common/mptRandom.cpp

(limited to 'Src/external_dependencies/openmpt-trunk/common/mptRandom.cpp')

diff --git a/Src/external_dependencies/openmpt-trunk/common/mptRandom.cpp b/Src/external_dependencies/openmpt-trunk/common/mptRandom.cpp
new file mode 100644
index 00000000..1830724a
--- /dev/null
+++ b/Src/external_dependencies/openmpt-trunk/common/mptRandom.cpp
@@ -0,0 +1,62 @@
+/*
+ * mptRandom.cpp
+ * -------------
+ * Purpose: PRNG
+ * Notes  : (currently none)
+ * Authors: OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+#include "stdafx.h"
+
+#include "mptRandom.h"
+
+OPENMPT_NAMESPACE_BEGIN
+
+namespace mpt
+{
+
+#if defined(MODPLUG_TRACKER) && !defined(MPT_BUILD_WINESUPPORT)
+
+static mpt::random_device *g_rd = nullptr;
+static mpt::thread_safe_prng<mpt::default_prng> *g_global_prng = nullptr;
+
+void set_global_random_device(mpt::random_device *rd)
+{
+	g_rd = rd;
+}
+
+void set_global_prng(mpt::thread_safe_prng<mpt::default_prng> *prng)
+{
+	g_global_prng = prng;
+}
+
+mpt::random_device & global_random_device()
+{
+	return *g_rd;
+}
+
+mpt::thread_safe_prng<mpt::default_prng> & global_prng()
+{
+	return *g_global_prng;
+}
+
+#else
+
+mpt::random_device & global_random_device()
+{
+	static mpt::random_device g_rd;
+	return g_rd;
+}
+
+mpt::thread_safe_prng<mpt::default_prng> & global_prng()
+{
+	static mpt::thread_safe_prng<mpt::default_prng> g_global_prng(mpt::make_prng<mpt::default_prng>(global_random_device()));
+	return g_global_prng;
+}
+
+#endif // MODPLUG_TRACKER && !MPT_BUILD_WINESUPPORT
+
+} // namespace mpt
+
+OPENMPT_NAMESPACE_END
-- 
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