npcgenerator.cpp

网络游戏魔域的服务端与客户端完整源代码 包括详细的说明文档与开发日志

// NpcGenerator.cpp: implementation of the CNpcGenerator class.
//
//////////////////////////////////////////////////////////////////////

#include "NpcGenerator.h"
#include "BaseFunc.h"
#include "NpcWorld.h"
#include "AllMsg.h"

//////////////////////////////////////////////////////////////////////
char	szGenerator[] = _TBL_GENERATOR;
const int	RANDOM_GENERATOR_SECS			= 600;

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CNpcGenerator::CNpcGenerator()
{
	SetObjType(OBJ_NPCGEN);
	m_pData	= CNpcGenData::CreateNew();

	m_nAmount			= 0;
	m_nGenAmount		= 0;
	m_nCurrGen			= 0;
}

//////////////////////////////////////////////////////////////////////
CNpcGenerator::~CNpcGenerator()
{
	if(m_pData)
		m_pData->Release();
}

//////////////////////////////////////////////////////////////////////
bool CNpcGenerator::Create(IRecordset* pRes)
{
	if(!m_pData->Create(pRes))
		return false;

	m_timeoutRest.SetInterval(GetInt(NPCGENDATA_RESTSECS) + ::RandGet(GetInt(NPCGENDATA_RESTSECS)));
	m_timeoutRest.Update();

	int nGrid = GetInt(NPCGENDATA_GRID);
	IF_NOT(nGrid >= 1)
		m_nMaxNpc = 1;
	else
		m_nMaxNpc		= (GetInt(NPCGENDATA_BOUNDCX) / nGrid) * (GetInt(NPCGENDATA_BOUNDCY) / nGrid);
	if(m_nMaxNpc < 1)
		m_nMaxNpc = 1;

	m_idxLastGen	= ::RandGet(m_nMaxNpc);
	m_pMap			= MapManager()->QueryMap(GetInt(NPCGENDATA_MAPID));

	if (!m_pMap)
	{
		LOGERROR("Error: npc generator [%u] got invalid map [%u]!", this->GetID(), this->GetInt(NPCGENDATA_MAPID));
		return false;
	}

	return true;
}

//////////////////////////////////////////////////////////////////////
POINT CNpcGenerator::FindGenPos()
{
	POINT pos;

	if(GetInt(NPCGENDATA_BORNX) || GetInt(NPCGENDATA_BORNY))
	{
		pos.x = GetInt(NPCGENDATA_BORNX);
		pos.y = GetInt(NPCGENDATA_BORNY);
		return pos;
	}

	pos.x = GetInt(NPCGENDATA_BOUNDX);
	pos.y = GetInt(NPCGENDATA_BOUNDY);
	if(m_nMaxNpc <= 1)
	{
		pos.x = GetInt(NPCGENDATA_BOUNDX) + ::RandGet(GetInt(NPCGENDATA_BOUNDCX));
		pos.y = GetInt(NPCGENDATA_BOUNDY) + ::RandGet(GetInt(NPCGENDATA_BOUNDCY));
		return pos;
	}

	m_idxLastGen++;
	if(m_idxLastGen >= m_nMaxNpc)
		m_idxLastGen = 0;

	IF_NOT(GetInt(NPCGENDATA_GRID) > 0)
		return pos;
	int nGridX = GetInt(NPCGENDATA_BOUNDCX) / GetInt(NPCGENDATA_GRID);
	if(nGridX < 0)
		nGridX = 1;
	pos.x = GetInt(NPCGENDATA_BOUNDX) + GetInt(NPCGENDATA_GRID)*(m_idxLastGen%nGridX) + ::RandGet(GetInt(NPCGENDATA_GRID));
	pos.y = GetInt(NPCGENDATA_BOUNDY) + GetInt(NPCGENDATA_GRID)*(m_idxLastGen/nGridX) + ::RandGet(GetInt(NPCGENDATA_GRID));

	return pos;
}

//////////////////////////////////////////////////////////////////////
int CNpcGenerator::Generator(int nNum)		// return : Generator num
{
	if(!m_pMap)
		return 0;

	if(GetInt(NPCGENDATA_BEGIN))
	{
		if(!::IsTimeRange(GetInt(NPCGENDATA_BEGIN), GetInt(NPCGENDATA_END)))
			return 0;
	}

	if(m_nGenAmount >= GetMaxNpc())
		return 0;

	if(m_timeoutRest.ToNextTime())
	{
		if(GetInt(NPCGENDATA_RESTSECS) >= RANDOM_GENERATOR_SECS)
			m_timeoutRest.Startup(GetInt(NPCGENDATA_RESTSECS) + ::RandGet(GetInt(NPCGENDATA_RESTSECS)));

		m_nCurrGen	= GetInt(NPCGENDATA_MAXPERGEN);
	}

	if(m_nCurrGen <= 0)
		return 0;

	int nGenNum = 0;
	for(int i = 0; i < nNum; i++)
	{
		// 找合法地图点
		
		POINT pos	= FindGenPos();
		if(!m_pMap->IsStandEnable(pos.x, pos.y))
		{
			pos.x	= GetInt(NPCGENDATA_BOUNDX) + ::RandGet(GetInt(NPCGENDATA_BOUNDCX));
			pos.y	= GetInt(NPCGENDATA_BOUNDY) + ::RandGet(GetInt(NPCGENDATA_BOUNDCY));

			if(!m_pMap->IsStandEnable(pos.x, pos.y))
				continue;		// 下次再生成
		}

		OBJID idNewNpc	= NpcManager()->SpawnNewNpcID();
		m_nCurrGen--;
		m_nGenAmount++;

		CMsgAiNpcInfo		msg;
		if(msg.Create(MSGAINPCINFO_CREATENEW, idNewNpc, GetID(), GetInt(NPCGENDATA_NPCTYPE), GetInt(NPCGENDATA_MAPID), pos.x, pos.y))
			NpcWorld()->SendMsg(ID_NONE, &msg);

		nGenNum++;
		if(m_nCurrGen <= 0)
			break;
	}

	return nGenNum;			// 增加了一个NPC
}

//////////////////////////////////////////////////////////////////////
void CNpcGenerator::GeneratorOK(OBJID idNpc)
{
	CHECK(idNpc != ID_NONE);

	m_nAmount++;

	if(m_nGenAmount - m_nAmount > MAXNPC_PER_ONTIMER)			// 强制同步
	{
		LOGERROR("NPC发生器生成NPC数量[%d]，游戏服务器创建NPC数量[%d]。差距太大，强制同步。", m_nGenAmount, m_nAmount);
		m_nGenAmount = m_nAmount + MAXNPC_PER_ONTIMER;
	}
}

//////////////////////////////////////////////////////////////////////
void CNpcGenerator::DeleteNpc(OBJID idNpc)
{
	CHECK(m_nAmount > 0);

	m_nAmount--;
	m_nGenAmount--;

	if(m_nGenAmount < m_nAmount)
	{
		LOGERROR("NPC发生器生成NPC数量[%d]，游戏服务器创建NPC数量[%d]。数量错误，强制同步。", m_nGenAmount, m_nAmount);
		m_nGenAmount = m_nAmount;
	}
}