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#include "UnityPrefix.h"
#include "CollisionMeshData.h"
#include "Runtime/Filters/Mesh/LodMesh.h"
#include "Runtime/Math/Matrix4x4.h"
#include "Runtime/Profiler/Profiler.h"
//#include "External/PhysX/builds/SDKs/Physics/include/NxPhysics.h"
//#include "Runtime/Dynamics/PhysicsManager.h"
#include "Runtime/Dynamics/nxmemorystream.h"
//#include "External/PhysX/builds/SDKs/Cooking/include/NxCooking.h"
#include "Runtime/Interfaces/IPhysics.h"
//#include "Runtime/Dynamics/ExtractDataFromMesh.h"
CollisionMeshData::CollisionMeshData ()
{
m_NxConvexMesh = NULL;
m_NxTriangleMesh = NULL;
m_SharedPhysicsMeshDirty = false;
}
CollisionMeshData::~CollisionMeshData ()
{
Cleanup ();
}
void CollisionMeshData::Cleanup ()
{
if (m_NxTriangleMesh)
{
GetIPhysics()->ReleaseNxTriangleMesh(*reinterpret_cast<NxTriangleMesh*> (m_NxTriangleMesh));
m_NxTriangleMesh = NULL;
}
if (m_NxConvexMesh)
{
GetIPhysics()->ReleaseNxConvexMesh(*reinterpret_cast<NxConvexMesh*> (m_NxConvexMesh));
m_NxConvexMesh = NULL;
}
}
void CollisionMeshData::VertexDataHasChanged ()
{
if (m_NxConvexMesh != NULL || m_NxTriangleMesh != NULL)
m_SharedPhysicsMeshDirty = true;
}
void* CollisionMeshData::GetSharedNxMesh (Mesh& meshData)
{
#if ENABLE_PHYSICS
if (m_NxTriangleMesh != NULL)
return m_NxTriangleMesh;
Matrix4x4f identity; identity.SetIdentity();
m_NxTriangleMesh = GetIPhysics()->CreateNxMeshFromUnityMesh(&meshData, false, identity, kNoScaleTransform);
#endif
return m_NxTriangleMesh;
}
void* CollisionMeshData::GetSharedNxConvexMesh (Mesh& meshData)
{
#if ENABLE_PHYSICS
if (m_NxConvexMesh != NULL)
return m_NxConvexMesh;
Matrix4x4f identity; identity.SetIdentity();
m_NxConvexMesh = GetIPhysics()->CreateNxMeshFromUnityMesh(&meshData, true, identity, kNoScaleTransform);
#endif
return m_NxConvexMesh;
}
void CollisionMeshData::AwakeFromLoadThreaded(Mesh& meshData)
{
#if !USE_PREBAKED_COLLISIONMESH && ENABLE_PHYSICS
int meshUsageFlags = meshData.GetMeshUsageFlags();
IPhysics* physics = GetIPhysics();
if (meshUsageFlags & kRequiresSharedTriangleCollisionMesh)
m_NxTriangleMesh = physics->CreateNxStreamFromUnityMesh(meshData, false);
if (meshUsageFlags & kRequiresSharedConvexCollisionMesh)
m_NxConvexMesh = physics->CreateNxStreamFromUnityMesh(meshData, true);
#endif
}
void CollisionMeshData::AwakeFromLoad (AwakeFromLoadMode awakeMode)
{
// Mark the shared physics mesh dirty when we have a mesh representation already and we are modifying the mesh (as opposed to just loading it from disk)
if ((m_NxConvexMesh != NULL || m_NxTriangleMesh != NULL) && (awakeMode & kDidLoadFromDisk) == 0 )
m_SharedPhysicsMeshDirty = true;
IPhysics* physics = GetIPhysics();
#if USE_PREBAKED_COLLISIONMESH
if (!m_BakedConvexCollisionMesh.empty())
{
m_NxConvexMesh = physics->CreateNxMeshFromByteStream(TRUE,m_BakedConvexCollisionMesh);
m_BakedConvexCollisionMesh.clear();
}
if (!m_BakedTriangleCollisionMesh.empty())
{
m_NxTriangleMesh = physics->CreateNxMeshFromByteStream(FALSE,m_BakedTriangleCollisionMesh);
m_BakedTriangleCollisionMesh.clear();
}
#else
if (awakeMode & kDidLoadThreaded)
{
if (m_NxTriangleMesh)
{
MemoryStream* stream = reinterpret_cast<MemoryStream*>(m_NxTriangleMesh);
m_NxTriangleMesh = physics->CreateNxMeshFromNxStream (false, *stream);
physics->DeleteMemoryStream(stream);
}
if (m_NxConvexMesh)
{
MemoryStream* stream = reinterpret_cast<MemoryStream*>(m_NxConvexMesh);
m_NxConvexMesh = physics->CreateNxMeshFromNxStream (true, *stream);
physics->DeleteMemoryStream(stream);
}
}
#endif
}
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