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Source/Engine/Physics/Utilities.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Core/Math/Vector2.h"
+#include "Engine/Core/Math/Vector3.h"
+#include "Engine/Core/Math/Vector4.h"
+#include "Engine/Core/Math/Quaternion.h"
+#include "Engine/Core/Math/BoundingBox.h"
+#include <ThirdParty/PhysX/foundation/PxVec2.h>
+#include <ThirdParty/PhysX/foundation/PxVec3.h>
+#include <ThirdParty/PhysX/foundation/PxVec4.h>
+#include <ThirdParty/PhysX/foundation/PxQuat.h>
+#include <ThirdParty/PhysX/foundation/PxBounds3.h>
+#include <ThirdParty/PhysX/characterkinematic/PxExtended.h>
+#include <ThirdParty/PhysX/PxShape.h>
+#include "PhysicsSettings.h"
+
+//////////////////////////// Conversion between PhysX and Flax types
+
+inline PxVec2& C2P(const Vector2& v)
+{
+    return *(PxVec2*)&v;
+}
+
+inline PxVec3& C2P(const Vector3& v)
+{
+    return *(PxVec3*)&v;
+}
+
+inline PxVec4& C2P(const Vector4& v)
+{
+    return *(PxVec4*)&v;
+}
+
+inline PxQuat& C2P(const Quaternion& v)
+{
+    return *(PxQuat*)&v;
+}
+
+inline PxBounds3& C2P(const BoundingBox& v)
+{
+    return *(PxBounds3*)&v;
+}
+
+////////////////////////////
+
+inline Vector2& P2C(const PxVec2& v)
+{
+    return *(Vector2*)&v;
+}
+
+inline Vector3& P2C(const PxVec3& v)
+{
+    return *(Vector3*)&v;
+}
+
+inline Vector4& P2C(const PxVec4& v)
+{
+    return *(Vector4*)&v;
+}
+
+inline Quaternion& P2C(const PxQuat& v)
+{
+    return *(Quaternion*)&v;
+}
+
+inline BoundingBox& P2C(const PxBounds3& v)
+{
+    return *(BoundingBox*)&v;
+}
+
+inline Vector3 P2C(const PxExtendedVec3& v)
+{
+#ifdef PX_BIG_WORLDS
+    return Vector3((float)v.x, (float)v.y, (float)v.z);
+#else
+	return *(Vector3*)&v;
+#endif
+}
+
+////////////////////////////
+
+inline PxShapeFlags GetShapeFlags(bool isTrigger, bool isEnabled)
+{
+#if WITH_PVD
+	PxShapeFlags flags = PxShapeFlag::eVISUALIZATION;
+#else
+    PxShapeFlags flags = static_cast<PxShapeFlags>(0);
+#endif
+
+    if (isEnabled)
+    {
+        if (isTrigger)
+        {
+            flags |= PxShapeFlag::eTRIGGER_SHAPE;
+            if (PhysicsSettings::Instance()->QueriesHitTriggers)
+                flags |= PxShapeFlag::eSCENE_QUERY_SHAPE;
+        }
+        else
+        {
+            flags = PxShapeFlag::eSIMULATION_SHAPE | PxShapeFlag::eSCENE_QUERY_SHAPE;
+        }
+    }
+
+    return flags;
+}