actionwander.cpp

来自「dk1游戏的原代码文件,完整.编译系统redhat7.3,mysql 3.23 」· C++ 代码 · 共 159 行

////////////////////////////////////////////////////////////////////////////////
// Filename    : ActionWander.cpp
// Written By  : 
// Description :
////////////////////////////////////////////////////////////////////////////////

#include "ActionWander.h"
#include "Creature.h"
#include "NPC.h"
#include "Utility.h"

static const POINT d [] = {
    POINT(-1, 0),   // 0 == LEFT
    POINT(-1, 1),   // 1 == LEFTDOWN
    POINT(0, 1),   // 2 == DOWN
    POINT(1, 1),   // 3 == RIGHTDOWN
    POINT(1, 0),   // 4 == RIGHT
    POINT(1,-1),   // 5 == RIGHTUP
    POINT(0,-1),   // 6 == UP
    POINT(-1,-1),   // 7 == LEFTUP
};


////////////////////////////////////////////////////////////////////////////////
// read from PropertyBuffer
////////////////////////////////////////////////////////////////////////////////
void ActionWander::read (PropertyBuffer & propertyBuffer)
    throw (Error)
{
    __BEGIN_TRY

	try
	{
		m_X              = propertyBuffer.getPropertyInt("X");
		m_Y              = propertyBuffer.getPropertyInt("Y");
		m_Radius         = propertyBuffer.getPropertyInt("Radius");
		m_MovePercentage = propertyBuffer.getPropertyInt("MovePercentage");

		Assert(m_MovePercentage <= 100);
	}
	catch (NoSuchElementException & nsee)
	{
		throw Error(nsee.toString());
	}
	
    __END_CATCH
}

////////////////////////////////////////////////////////////////////////////////
// 咀记阑 角青茄促.
////////////////////////////////////////////////////////////////////////////////
void ActionWander::execute (Creature * pCreature1 , Creature * pCreature2) 
	throw (Error)
{
	__BEGIN_TRY

	Assert(pCreature1 != NULL);
	Assert(pCreature2 == NULL);

	Assert(pCreature1->isNPC() || pCreature1->isMonster());

	// 捞锅 畔俊 框流老 巴牢瘤 眉农茄促.
	uint diceResult = Dice(1,100);
	
	if (diceResult < m_MovePercentage)
	{
		bool        movableDir[8];
		uint        movableDirCount = 0;
		ZoneCoord_t cx = pCreature1->getX();
		ZoneCoord_t cy = pCreature1->getY();
		ZoneCoord_t nx = 0;
		ZoneCoord_t ny = 0;

		// 框流捞扁肺 沁促搁, 绢蠢 规氢栏肺 框流老 巴牢瘤 眉农茄促.
		// 老窜 哎 荐 乐绰 规氢狼 格废何磐 累己茄促.
		for (uint i = 0 ; i < 8 ; i ++)
		{
			nx = cx + d[i].x;
			ny = cy + d[i].y;

			// 促澜 档馒 瘤痢篮 (x,y,r) 康开 救俊 粮犁窍搁辑,
			// NPC啊 框流老 荐 乐绰 - 喉遏登瘤 臼篮 - 鸥老捞绢具 茄促.
			if (max(abs(m_X-nx),abs(m_Y-ny)) <= m_Radius && pCreature1->canMove(nx,ny))
			{
				movableDir[i] = true;
				movableDirCount++;
			}
			else
			{
				movableDir[i] = false;
			}
		}

		// 父距 泅犁 困摹俊辑 框流老 荐 绝促搁, 沥瘤茄促.
		// 框流老 荐 乐促搁.. 框流牢促.
		if (movableDirCount > 0)
		{
			Dir_t nextDir = pCreature1->getDir();
			bool changeDir = false;

			if ( movableDir[nextDir] )
			{
				if ( rand() % 10 == 0 ) changeDir = true;
			}
			else
			{
				changeDir = true;
			}

			if ( changeDir )
			{
				uint j = rand() % movableDirCount + 1;

				uint k = 0;	// movableDir[l] == true 牢 规氢狼 牢郸胶
				for (uint l = 0 ; l < 8 ; l ++)
				{
					if (movableDir[l] && ++k == j)
					{
						nextDir = l;
						break;
					}
				}
			}

			nx = cx + d[nextDir].x;
			ny = cy + d[nextDir].y;
			// move creature
			Zone * pZone = pCreature1->getZone();
			pZone->moveCreature(pCreature1 , nx , ny , nextDir);
		}
		
	}

	__END_CATCH
}


////////////////////////////////////////////////////////////////////////////////
// get debug string
////////////////////////////////////////////////////////////////////////////////
string ActionWander::toString () const
	throw ()
{
	__BEGIN_TRY

	StringStream msg;

	msg << "ActionWander("
		<< " X:"               << (int)m_X
		<< " ,Y:"              << (int)m_Y
		<< " ,Radius:"         << (int)m_Radius
		<< " ,MovePercentage:" << (int)m_MovePercentage
		<< ")";

	return msg.toString();

	__END_CATCH
}