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269 lines
7.4 KiB
269 lines
7.4 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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// $NoKeywords: $ |
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// |
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//=============================================================================// |
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#include "cbase.h" |
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#include "interface.h" |
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#include "vphysics/object_hash.h" |
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#include "vphysics/collision_set.h" |
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#include "tier1/tier1.h" |
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#include "ivu_vhash.hxx" |
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#include "PxPhysicsAPI.h" |
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#include "convert.h" |
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using namespace physx; |
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#if defined(_WIN32) && !defined(_X360) |
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#define WIN32_LEAN_AND_MEAN |
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#include <windows.h> |
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#endif // _WIN32 && !_X360 |
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#include "vphysics_interfaceV30.h" |
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// memdbgon must be the last include file in a .cpp file!!! |
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#include "tier0/memdbgon.h" |
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static void ivu_string_print_function( const char *str ) |
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{ |
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Msg("%s", str); |
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} |
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class PhysErrorCallback : public PxErrorCallback |
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{ |
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public: |
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virtual void reportError(PxErrorCode::Enum code, const char* message, const char* file, |
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int line) |
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{ |
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// error processing implementation |
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Warning("Px: %s %s:%d\n", message, file, line); |
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} |
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}; |
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PhysErrorCallback gPxErrorCallback; |
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PxDefaultAllocator gPxAllocatorCallback; |
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PxFoundation *gPxFoundation = NULL; |
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PxPvd *gPxPvd = NULL; |
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PxPhysics *gPxPhysics = NULL; |
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PxCooking *gPxCooking = NULL; |
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// simple 32x32 bit array |
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class CPhysicsCollisionSet : public IPhysicsCollisionSet |
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{ |
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public: |
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~CPhysicsCollisionSet() {} |
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CPhysicsCollisionSet() |
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{ |
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memset( m_bits, 0, sizeof(m_bits) ); |
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} |
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void EnableCollisions( int index0, int index1 ) |
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{ |
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Assert(index0<32&&index1<32); |
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m_bits[index0] |= 1<<index1; |
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m_bits[index1] |= 1<<index0; |
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} |
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void DisableCollisions( int index0, int index1 ) |
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{ |
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Assert(index0<32&&index1<32); |
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m_bits[index0] &= ~(1<<index1); |
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m_bits[index1] &= ~(1<<index0); |
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} |
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bool ShouldCollide( int index0, int index1 ) |
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{ |
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Assert(index0<32&&index1<32); |
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return (m_bits[index0] & (1<<index1)) ? true : false; |
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} |
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private: |
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unsigned int m_bits[32]; |
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}; |
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//----------------------------------------------------------------------------- |
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// Main physics interface |
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//----------------------------------------------------------------------------- |
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class CPhysicsInterface : public CTier1AppSystem<IPhysics> |
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{ |
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public: |
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CPhysicsInterface() : m_pCollisionSetHash(NULL) {} |
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virtual InitReturnVal_t Init(); |
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virtual void Shutdown(); |
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virtual void *QueryInterface( const char *pInterfaceName ); |
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virtual IPhysicsEnvironment *CreateEnvironment( void ); |
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virtual void DestroyEnvironment( IPhysicsEnvironment *pEnvironment ); |
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virtual IPhysicsEnvironment *GetActiveEnvironmentByIndex( int index ); |
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virtual IPhysicsObjectPairHash *CreateObjectPairHash(); |
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virtual void DestroyObjectPairHash( IPhysicsObjectPairHash *pHash ); |
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virtual IPhysicsCollisionSet *FindOrCreateCollisionSet( unsigned int id, int maxElementCount ); |
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virtual IPhysicsCollisionSet *FindCollisionSet( unsigned int id ); |
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virtual void DestroyAllCollisionSets(); |
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typedef CTier1AppSystem<IPhysics> BaseClass; |
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private: |
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CUtlVector<IPhysicsEnvironment *> m_envList; |
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CUtlVector<CPhysicsCollisionSet> m_collisionSets; |
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IVP_VHash_Store *m_pCollisionSetHash; |
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}; |
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//----------------------------------------------------------------------------- |
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// Expose singleton |
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//----------------------------------------------------------------------------- |
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static CPhysicsInterface g_MainDLLInterface; |
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IPhysics *g_PhysicsInternal = &g_MainDLLInterface; |
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EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CPhysicsInterface, IPhysics, VPHYSICS_INTERFACE_VERSION, g_MainDLLInterface ); |
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#define PVD_HOST "localhost" |
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InitReturnVal_t CPhysicsInterface::Init() |
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{ |
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InitReturnVal_t nRetVal = BaseClass::Init(); |
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if ( nRetVal != INIT_OK ) |
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return nRetVal; |
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bool recordMemoryAllocations = true; |
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MathLib_Init( 2.2f, 2.2f, 0.0f, 2.0f, false, false, false, false ); |
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gPxFoundation = PxCreateFoundation(PX_PHYSICS_VERSION, gPxAllocatorCallback, gPxErrorCallback); |
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if( !gPxFoundation ) |
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{ |
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Error("PxCreateFoundation failed!\n"); |
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return INIT_FAILED; |
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} |
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gPxPvd = PxCreatePvd(*gPxFoundation); |
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PxPvdTransport* transport = PxDefaultPvdSocketTransportCreate(PVD_HOST, 5425, 10000); |
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if(transport) |
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Msg("PxDefaultPvdSocketTransportCreate success\n"); |
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gPxPvd->connect(*transport,PxPvdInstrumentationFlag::eALL); |
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PxTolerancesScale scale; |
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scale.length = g_PhysicsUnits.unitScaleMetersInv; |
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scale.speed *= g_PhysicsUnits.unitScaleMetersInv; |
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gPxPhysics = PxCreatePhysics(PX_PHYSICS_VERSION, *gPxFoundation, scale, recordMemoryAllocations, gPxPvd); |
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if( !gPxPhysics ) |
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{ |
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Error("PxCreatePhysics failed!\n"); |
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return INIT_FAILED; |
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} |
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gPxCooking = PxCreateCooking(PX_PHYSICS_VERSION, *gPxFoundation, PxCookingParams(scale)); |
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return INIT_OK; |
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} |
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void CPhysicsInterface::Shutdown() |
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{ |
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if( gPxCooking ) |
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gPxCooking->release(); |
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if( gPxPhysics ) |
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gPxPhysics->release(); |
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if( gPxFoundation ) |
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gPxFoundation->release(); |
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BaseClass::Shutdown( ); |
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} |
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//----------------------------------------------------------------------------- |
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// Query interface |
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//----------------------------------------------------------------------------- |
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void *CPhysicsInterface::QueryInterface( const char *pInterfaceName ) |
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{ |
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// Loading the datacache DLL mounts *all* interfaces |
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// This includes the backward-compatible interfaces + other vphysics interfaces |
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CreateInterfaceFn factory = Sys_GetFactoryThis(); // This silly construction is necessary |
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return factory( pInterfaceName, NULL ); // to prevent the LTCG compiler from crashing. |
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} |
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//----------------------------------------------------------------------------- |
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// Implementation of IPhysics |
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//----------------------------------------------------------------------------- |
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IPhysicsEnvironment *CPhysicsInterface::CreateEnvironment( void ) |
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{ |
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IPhysicsEnvironment *pEnvironment = CreatePhysicsEnvironment(); |
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m_envList.AddToTail( pEnvironment ); |
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return pEnvironment; |
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} |
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void CPhysicsInterface::DestroyEnvironment( IPhysicsEnvironment *pEnvironment ) |
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{ |
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m_envList.FindAndRemove( pEnvironment ); |
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delete pEnvironment; |
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} |
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IPhysicsEnvironment *CPhysicsInterface::GetActiveEnvironmentByIndex( int index ) |
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{ |
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if ( index < 0 || index >= m_envList.Count() ) |
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return NULL; |
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return m_envList[index]; |
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} |
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IPhysicsObjectPairHash *CPhysicsInterface::CreateObjectPairHash() |
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{ |
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return ::CreateObjectPairHash(); |
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} |
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void CPhysicsInterface::DestroyObjectPairHash( IPhysicsObjectPairHash *pHash ) |
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{ |
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delete pHash; |
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} |
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// holds a cache of these by id. |
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// NOTE: This is stuffed into vphysics.dll as a sneaky way of sharing the memory between |
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// client and server in single player. So you can't have different client/server rules. |
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IPhysicsCollisionSet *CPhysicsInterface::FindOrCreateCollisionSet( unsigned int id, int maxElementCount ) |
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{ |
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if ( !m_pCollisionSetHash ) |
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{ |
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m_pCollisionSetHash = new IVP_VHash_Store(256); |
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} |
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Assert( id != 0 ); |
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Assert( maxElementCount <= 32 ); |
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if ( maxElementCount > 32 ) |
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return NULL; |
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IPhysicsCollisionSet *pSet = FindCollisionSet( id ); |
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if ( pSet ) |
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return pSet; |
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intp index = m_collisionSets.AddToTail(); |
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m_pCollisionSetHash->add_elem( (void *)(intp)id, (void *)(intp)(index+1) ); |
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return &m_collisionSets[index]; |
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} |
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IPhysicsCollisionSet *CPhysicsInterface::FindCollisionSet( unsigned int id ) |
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{ |
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if ( m_pCollisionSetHash ) |
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{ |
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intp index = (intp)m_pCollisionSetHash->find_elem( (void *)(intp)id ); |
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if ( index > 0 ) |
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{ |
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Assert( index <= m_collisionSets.Count() ); |
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if ( index <= m_collisionSets.Count() ) |
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{ |
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return &m_collisionSets[index-1]; |
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} |
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} |
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} |
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return NULL; |
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} |
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void CPhysicsInterface::DestroyAllCollisionSets() |
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{ |
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m_collisionSets.Purge(); |
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delete m_pCollisionSetHash; |
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m_pCollisionSetHash = NULL; |
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} |
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