#include "basemodelentity.h"

void C_BaseModelEntity::Precache()
{

}
void C_BaseModelEntity::Spawn()
{
	BaseClass::Spawn();
	SetThink(Think);
}

void C_BaseModelEntity::Think( float fDelta )
{
	UpdateModel();
	if (m_pInstance)
	{
		m_pInstance->SetPosition(GetAbsOrigin());
		m_pInstance->SetRotation(GetAbsAngles());
		m_pInstance->SetScale({GetScale(),GetScale(),GetScale()});
	}
}


void C_BaseModelEntity::SetModel( const char *szName )
{
	V_memset(m_szModel, 0, 256);
	V_strncpy(m_szModel, szName, 255);
}

void C_BaseModelEntity::UpdateModel()
{
	if (!V_strncmp(m_szModel, m_szCurrentModel, 256))
		return;

	V_memset(m_szCurrentModel, 0, 256);
	V_strncpy(m_szCurrentModel, m_szModel, 255);

	if (m_hModelHandle)
	{
		g_pAssetManager->UnrefModel(m_hModelHandle);
		g_pWorldRenderer->DestroyMeshInstance(
				g_pAssetManager->GetMeshByIndex(m_pModel->m_hMesh)->m_pMesh, 
				m_pInstance);
	}
	m_hModelHandle = g_pAssetManager->LoadModel(m_szCurrentModel);
	m_pModel = g_pAssetManager->GetModelByIndex(m_hModelHandle);
	CBaseMaterial *pMat = g_pAssetManager->GetMaterialByIndex(m_pModel->m_hMaterial)->m_pLayout;
	if (!m_pModel)
	{
		V_printf("Failed to load %u %s\n", V_strnlen(m_szCurrentModel,255), m_szCurrentModel);
		m_pInstance = NULL;
		return;
	}
	FunnyMesh_t *pMesh = g_pAssetManager->GetMeshByIndex(m_pModel->m_hMesh);
	m_pInstance = g_pWorldRenderer->CreateInstance(pMesh->m_pMesh);
	m_pInstance->SetPosition({0,0,0});
	m_pInstance->SetRotation({0,0,0,1});
	m_pInstance->SetMaterial(pMat);

}

C_BaseModelEntity::~C_BaseModelEntity()
{
	if (m_pInstance)
	{
		FunnyMesh_t *pMesh = g_pAssetManager->GetMeshByIndex(m_pModel->m_hMesh);
		g_pWorldRenderer->DestroyMeshInstance(pMesh->m_pMesh, m_pInstance);
		g_pAssetManager->UnrefModel(m_hModelHandle);
	}
}

BEGIN_DATADESC(C_BaseModelEntity)
	DEFINE_KEYFIELD(m_szModel, FIELD_STRING, "model")	
END_DATADESC()

IMPLEMENT_RECV_DT(C_BaseModelEntity)
	NetPropString(m_szModel)
END_RECV_DT()
IMPLEMENT_EMPTY_SEND_DT(C_BaseModelEntity)

LINK_ENTITY_TO_CLASS(prop_physics, C_BaseModelEntity)