pinkghost.cpp

VIGASOCO (VIdeo GAmes SOurce COde) Windows port (v0.01)

// PinkGhost.cpp
//
/////////////////////////////////////////////////////////////////////////////

#include "PinkGhost.h"
#include "Pacman.h"
#include "Path.h"
#include "Game.h"
#include "GameState.h"
#include "GhostMoveAtHomeActions.h"
#include "GhostMoveWhenKilledActions.h"

/////////////////////////////////////////////////////////////////////////////
// initialization and cleanup
/////////////////////////////////////////////////////////////////////////////

PinkGhost::PinkGhost() : Ghost(PINK)
{
	resetState();

	// fills the actions arrays

	moveAtHomeAction = new GhostAction*[3];
	moveAtHomeAction[0] = new GhostMoveUpAndDownAction();
	moveAtHomeAction[1] = new GhostNopAction();
	moveAtHomeAction[2] = new GhostExitHomeAction();

	moveWhenKilledAction = new GhostAction*[3];
	moveWhenKilledAction[0] = new GhostNopAction();
	moveWhenKilledAction[1] = new GhostGoHomeAction();
	moveWhenKilledAction[2] = new GhostEnterHomeAndEndAction();
}

PinkGhost::~PinkGhost()
{
	// deallocates the actions arrays

	for (int i = 0; i < 3; i++){
		delete moveAtHomeAction[i];
		delete moveWhenKilledAction[i];
	}

	delete[] moveAtHomeAction;
	delete[] moveWhenKilledAction;
}

void PinkGhost::initState(bool special)
{
	Ghost::initState(special);

	if (!special){
		posX = 0x80;
		posY = 0x7c;
		tilePosX = actualTilePosX = 0x2e;
		tilePosY = actualTilePosY = 0x2f;
		movOffsX = prevMovOffsX = 0;
		movOffsY = prevMovOffsY = 1;
		orientation = prevOrientation = DOWN;
	}
}

/////////////////////////////////////////////////////////////////////////////
// pink ghost AI
/////////////////////////////////////////////////////////////////////////////

void PinkGhost::moveInNormalState()
{
	// in odd orientation changes indexes or if we are in demo mode, try to go to pacman position
	if (((theGame->indexOrientationChanges & 0x01) == 0x01) || (theGame->states[PLAYING]->substate != 3)){
		// calculates new pacman position in 4 movements
		destTilePosX = theGame->pacman->tilePosX + 4*theGame->pacman->movOffsX;
		destTilePosY = theGame->pacman->tilePosY + 4*theGame->pacman->movOffsY;

		// try to go there
		Path::calcPath(tilePosX, tilePosY, orientation, 
					destTilePosX, destTilePosY,
					movOffsX, movOffsY, orientation);
	} else {
		// searchs the best direction to choose to go to the upper right corner
		destTilePosX = 0x3b;
		destTilePosY = 0x20;
		Path::calcPath(tilePosX, tilePosY, orientation, 0x39, 0x1d, movOffsX, movOffsY, orientation);
	}
}