void CActor::Render( IDirect3DDevice9* device, CCamera* cam )
{
	//VertexDeclaration setzen
	device->SetVertexDeclaration(Vertex::decl);
	//IndexBuffer setzen
	device->SetIndices(m_pIndexBuffer);
	//VertexBuffer holen
	device->SetStreamSource(0, m_pVertexBuffer, 0, Vertex::strideSize);
	//Technique setzen
	m_pFx->SetTechnique(m_hTechnique);

	//Positionsmatrix
	D3DXMATRIX trans, rot, scale;
	D3DXMatrixTranslation(&trans, m_position.x, m_position.y, m_position.z);
	//Rotationsmatrix
	D3DXMatrixRotationYawPitchRoll(&rot, m_rotation.y, m_rotation.x, m_rotation.z);
	//Skalierungsmatrix
	D3DXMatrixScaling(&scale, m_scale.x, m_scale.y, m_scale.z);
	
	//WVP setzen
	m_pFx->SetMatrix(m_hWVP, &(scale * rot * trans * cam->GetViewMatrix() * cam->GetProjectionMatrix()));
	//Textur setzen
	m_pFx->SetTexture(m_hColorTexture, m_pTexture);
	//Farbe

	m_pFx->SetValue(m_hAmbientColor, &m_ambientColor, sizeof(D3DXCOLOR));

	//Passes durchlaufen
	UINT passes = 0;
	
	//Beginne Shader
	m_pFx->Begin(&passes, 0);

	for( UINT i = 0; i < passes; i++)
	{		
		//For Sprites
		if(m_isSprite)
		{
			m_pSprite->Begin(D3DXSPRITE_ALPHABLEND);
			m_pFx->BeginPass(i);

			RECT rct;

			rct.left = m_iActualFrameNumber * m_iFrameWidth;
			rct.right = m_iActualFrameNumber * m_iFrameWidth + m_iFrameWidth;
			rct.top = 0;
			rct.bottom = m_iHeight;

			m_pSprite->Draw(m_pTexture,&rct,NULL, &m_position,0xFFFFFFFF);

			m_pFx->EndPass();
			m_pSprite->End();
		}
		else
		{
			//Beginne Pass
			m_pFx->BeginPass(i);
			device->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, m_vertexCount, 0, m_indexCount / 3);
			m_pFx->EndPass();
		}

		
	}
	
	m_pFx->End();
	
}

Line 1: error: 'CActor' has not been declared
compilation terminated due to -Wfatal-errors.