SPEC-7531 Change Code/CryEngine to Code/Legacy (#1634)

* git mv Code\CryEngine Code\Legacy * redirecting CMakeLists.txt * fixing uic warning * Some more CryEngine mentions * validation scripts Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
2021-06-29 13:51:24 -07:00
parent f570925c0d
commit 9f0bbf3b74
384 changed files with 25 additions and 31 deletions
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project
+ * 
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+
+// Description : Marsenne Twister PRNG. See MT.h for more info.
+
+#include "MTPseudoRandom.h"
+// non-inline function definitions and static member definitions cannot
+// reside in header file because of the risk of multiple declarations
+
+void CMTRand_int32::gen_state()   // generate new m_nState vector
+{
+    for (int i = 0; i < (n - m); ++i)
+    {
+        m_nState[i] = m_nState[i + m] ^ twiddle(m_nState[i], m_nState[i + 1]);
+    }
+    for (int i = n - m; i < (n - 1); ++i)
+    {
+        m_nState[i] = m_nState[i + m - n] ^ twiddle(m_nState[i], m_nState[i + 1]);
+    }
+    m_nState[n - 1] = m_nState[m - 1] ^ twiddle(m_nState[n - 1], m_nState[0]);
+    p = 0; // reset position
+}
+
+void CMTRand_int32::seed(uint32 s)    // init by 32 bit seed
+{   //if (s == 0)
+    //m_nRandom = 1;
+    for (int i = 0; i < n; ++i)
+    {
+        m_nState[i] = 0x0UL;
+    }
+    m_nState[0] = s;
+    for (int i = 1; i < n; ++i)
+    {
+        m_nState[i] = 1812433253UL * (m_nState[i - 1] ^ (m_nState[i - 1] >> 30)) + i;
+        // see Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier
+        // in the previous versions, MSBs of the seed affect only MSBs of the array m_nState
+        // 2002/01/09 modified by Makoto Matsumoto
+    }
+    p = n; // force gen_state() to be called for next random number
+}
+
+void CMTRand_int32::seed(const uint32* array, int size)   // init by array
+{
+    seed(19650218UL);
+    int i = 1, j = 0;
+    for (int k = ((n > size) ? n : size); k; --k)
+    {
+        m_nState[i] = (m_nState[i] ^ ((m_nState[i - 1] ^ (m_nState[i - 1] >> 30)) * 1664525UL))
+            + array[j] + j; // non linear
+        ++j;
+        j %= size;
+        if ((++i) == n)
+        {
+            m_nState[0] = m_nState[n - 1];
+            i = 1;
+        }
+    }
+    for (int k = n - 1; k; --k)
+    {
+        PREFAST_SUPPRESS_WARNING(6385)  PREFAST_SUPPRESS_WARNING(6386)  m_nState[i] = (m_nState[i] ^ ((m_nState[i - 1] ^ (m_nState[i - 1] >> 30)) * 1566083941UL)) - i;
+        if ((++i) == n)
+        {
+            m_nState[0] = m_nState[n - 1];
+            i = 1;
+        }
+    }
+    m_nState[0] = 0x80000000UL; // MSB is 1; assuring non-zero initial array
+    p = n; // force gen_state() to be called for next random number
+}