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 +1,84 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project
+ * 
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+
+// Description : Scalar implementation of hardware vector based matrix
+
+
+#ifndef CRYINCLUDE_CRYCOMMON_CRY_HWMATRIX_H
+#define CRYINCLUDE_CRYCOMMON_CRY_HWMATRIX_H
+#pragma once
+
+struct hwmtx33
+{
+    hwvec3 m0, m1, m2;
+};
+
+ILINE void HWMtx33LoadAligned(hwmtx33& out, const Matrix34A& inMtx)
+{
+    out.m0 = HWVLoadVecAligned(reinterpret_cast<const Vec4A*>(&inMtx.m00));
+    out.m1 = HWVLoadVecAligned(reinterpret_cast<const Vec4A*>(&inMtx.m10));
+    out.m2 = HWVLoadVecAligned(reinterpret_cast<const Vec4A*>(&inMtx.m20));
+}
+
+ILINE hwvec3 HWMtx33RotateVec(const hwmtx33& m, const hwvec3& v)
+{
+    return Vec3((m.m0[0] * v.x) + (m.m0[1] * v.y) + (m.m0[2] * v.z),
+        (m.m1[0] * v.x) + (m.m1[1] * v.y) + (m.m1[2] * v.z),
+        (m.m2[0] * v.x) + (m.m2[1] * v.y) + (m.m2[2] * v.z));
+}
+
+ILINE hwvec3 HWMtx33RotateVecOpt(const hwmtx33& m, const hwvec3& v)
+{
+    return HWMtx33RotateVec(m, v);
+}
+
+ILINE hwmtx33 HWMtx33CreateRotationV0V1(const hwvec3& v0, const hwvec3& v1)
+{
+    assert((fabs_tpl(1 - (v0 | v0))) < 0.01); //check if unit-vector
+    assert((fabs_tpl(1 - (v1 | v1))) < 0.01); //check if unit-vector
+    hwmtx33 m;
+    float dot = v0 | v1;
+    if (dot < -0.9999f)
+    {
+        Vec3 axis = v0.GetOrthogonal().GetNormalized();
+        m.m0[0] = (2.0f * axis.x * axis.x - 1);
+        m.m0[1] = (2.0f * axis.x * axis.y);
+        m.m0[2] = (2.0f * axis.x * axis.z);
+        m.m1[0] = (2.0f * axis.y * axis.x);
+        m.m1[1] = (2.0f * axis.y * axis.y - 1);
+        m.m1[2] = (2.0f * axis.y * axis.z);
+        m.m2[0] = (2.0f * axis.z * axis.x);
+        m.m2[1] = (2.0f * axis.z * axis.y);
+        m.m2[2] = (2.0f * axis.z * axis.z - 1);
+    }
+    else
+    {
+        Vec3 v = v0 % v1;
+        f32 h = 1.0f / (1.0f + dot);
+        m.m0[0] = (dot + h * v.x * v.x);
+        m.m0[1] = (h * v.x * v.y - v.z);
+        m.m0[2] = (h * v.x * v.z + v.y);
+        m.m1[0] = (h * v.x * v.y + v.z);
+        m.m1[1] = (dot + h * v.y * v.y);
+        m.m1[2] = (h * v.y * v.z - v.x);
+        m.m2[0] = (h * v.x * v.z - v.y);
+        m.m2[1] = (h * v.y * v.z + v.x);
+        m.m2[2] = (dot + h * v.z * v.z);
+    }
+
+    return m;
+}
+
+//Returns a matrix optimized for this platform's matrix ops, in this case, not doing a thing;
+ILINE hwmtx33 HWMtx33GetOptimized(const hwmtx33& m)
+{
+    return (hwmtx33)m;
+}
+
+#endif // CRYINCLUDE_CRYCOMMON_CRY_HWMATRIX_H
+