Raidez World to Screen

[ntKid]

W2S for new PW/Frogster game Raiderz.
https://raiderz.perfectworld.com/

If this is usefull for you please credit me and mpgh.net

std::vector< D3DXVECTOR3 > m_ModelInfo;

HRESULT GetVertexPosition( LPDIRECT3DDEVICE9 lpDevice, D3DXVECTOR3& lpWorldPosition )
{
	HRESULT Eax = E_UNEXPECTED;

	LPDIRECT3DINDEXBUFFER9 dwIndexData = NULL;

	if( SUCCEEDED( lpDevice->GetIndices( &dwIndexData ) ) )
	{
		PVOID dwIndex = NULL;

		if( SUCCEEDED( dwIndexData->Lock( 0, 0, &dwIndex, D3DLOCK_READONLY ) ) )
		{
			LPDIRECT3DVERTEXBUFFER9 dwStreamData = NULL;

			UINT dwOffsetInBytes = NULL, dwStride = NULL; 

			if( SUCCEEDED( lpDevice->GetStreamSource( 0, &dwStreamData, &dwOffsetInBytes, &dwStride ) ) )
			{
				PVOID dwData = NULL;

				if( SUCCEEDED( dwStreamData->Lock( 0, 0, &dwData, D3DLOCK_READONLY ) ) )
				{
					Eax = NO_ERROR;

					lpWorldPosition.x = ( ( PFLOAT )dwData )[ 0 ];
					lpWorldPosition.y = ( ( PFLOAT )dwData )[ 1 ];
					lpWorldPosition.z = ( ( PFLOAT )dwData )[ 2 ];

					dwStreamData->Unlock( );
				}
				dwStreamData->Release( );
			}
			dwIndexData->Unlock( );	
		}
		dwIndexData->Release( );
	}

	return Eax;
}

VOID AddDeviceModel( LPDIRECT3DDEVICE9 lpDevice )
{
	D3DXVECTOR3 dwWorldPosition( 0, 0, 0 );

	if( FAILED( GetVertexPosition( lpDevice, dwWorldPosition ) ) )
		return;

	D3DVIEWPORT9 dwViewPort;

	ZeroMemory( &dwViewPort, sizeof( D3DVIEWPORT9 ) );

	if( FAILED( lpDevice->GetViewport( &dwViewPort ) ) )
		return;

	D3DXMATRIX dwWorldViewProj;

	ZeroMemory( &dwWorldViewProj, sizeof( D3DVIEWPORT9 ) );

	if( FAILED( lpDevice->GetVertexShaderConstantF( 216, ( PFLOAT )&dwWorldViewProj, 4 ) ) )
		return;

	if( D3DXMatrixTranspose( &dwWorldViewProj, &dwWorldViewProj ) == NULL )
		return;

	D3DXVECTOR3 dwScreenPos( 0, 0, 0 );

	if( D3DXVec3TransformCoord( &dwScreenPos, &dwWorldPosition, &dwWorldViewProj ) )
	{
		dwScreenPos.x = ( dwScreenPos.x + 1.0f ) * dwViewPort.Width * 0.5f + dwViewPort.X;
		dwScreenPos.y = ( 1.0f - dwScreenPos.y ) * dwViewPort.Height * 0.5f + dwViewPort.Y;
		dwScreenPos.z = ( dwScreenPos.z + 1.0f ) * 0.5f;
		
		m_ModelInfo.push_back( dwScreenPos );
	}
}

Example:

VOID PrintPosition( LPDIRECT3DDEVICE9 lpDevice )
{
	if( lpDevice )
	{
		if( pFontManager )
		{
			for( INT i = 0; i < m_ModelInfo.size( ); i++ )
			{
				pFontManager->OnDraw( NULL, ( INT )m_ModelInfo[ i ].x, ( INT )m_ModelInfo[ i ].y, NULL, NULL, "LA", DT_NOCLIP, D3DCOLOR_ARGB( 255, 255, 255 ,255 ) );
			}	
		}
	}
}

HRESULT __stdcall myEndScene( LPDIRECT3DDEVICE9 Device )
{
	PrintPosition( Device );

	m_ModelInfo.clear( );

	return pEndScene( Device );
}

HRESULT __stdcall myDrawIndexedPrimitive( LPDIRECT3DDEVICE9 Device, D3DPRIMITIVETYPE Type, INT BaseVertexIndex, UINT MinVertexIndex, UINT NumVertices, UINT startIndex, UINT primCount )
{
	if( pTextureManager->GetActiveTextureId( ) == 0x9CDE3DBB || pTextureManager->GetActiveTextureId( ) == 0xFDA64A00 )
	{
		AddDeviceModel( Device );//W2S + Store ScreenPos
	}			
	return pDrawIndexedPrimitive( Device, Type, BaseVertexIndex, MinVertexIndex, NumVertices, startIndex, primCount );
}

[MarkHC]

Good to see people sharing this kinda stuff. +Rep