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Ghost.cpp
150 lines (124 loc) · 3.69 KB
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Ghost.cpp
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/*
* Ghost.cpp
*
* Created on: Oct 13, 2013
* Author: rjsmieja, iplukens
*/
//ENGINE INCLUDES
#include "WorldManager.h"
#include "LogManager.h"
#include "ResourceManager.h"
#include "Ghost.h"
#include "EventHeroMove.h"
#include "EventStep.h"
#include "EventCollision.h"
#include "EventLevelUp.h"
#include "Explosion.h"
#include "EventView.h"
#include "Points.h"
#include "LevelManager.h"
#include <stdlib.h>
#define GHOST_VELOCITY 0.025
#define MAX_SPEED_COOLDOWN 5
Ghost::Ghost(Position pos) {
ghost_velocity = GHOST_VELOCITY;
WorldManager &world_manager = WorldManager::getInstance();
setPosition(pos);
setType("Ghost");
setSolidness(SOFT); //Ghosts can move through anything
setAltitude(MAX_ALTITUDE);
//TODO: This takes too long to find, is there a more efficient way?
/*
ObjectList objects = world_manager.getAllObjects();
ObjectListIterator iterator = objects.createIterator();
bool found = false;
while(!iterator.isDone() && !found){
if (iterator.currentObject()->getType() == "Hero"){
hero_pos = iterator.currentObject()->getPosition();
found = true;
}
}
*/
// if (!found){
Position h_pos(world_manager.getBoundary().getHorizontal() / 2,
world_manager.getBoundary().getVertical() / 2);
hero_pos = h_pos;
// }
LogManager &lm = LogManager::getInstance();
ResourceManager &rm = ResourceManager::getInstance();
Sprite *p_temp_sprite;
p_temp_sprite = rm.getSprite("ghost");
if (!p_temp_sprite) {
lm.writeLog("Ghost::Ghost(): Warning! Sprite '%s' not found", "ghost");
} else {
setSprite(p_temp_sprite);
setSpriteSlowdown(15);
}
max_speed_cooldown = MAX_SPEED_COOLDOWN;
speed_cooldown = max_speed_cooldown;
registerInterest(HERO_MOVE_EVENT);
registerInterest(STEP_EVENT);
registerInterest(COLLISION_EVENT);
registerInterest(LEVEL_UP_EVENT);
}
int Ghost::eventHandler(Event *p_e) {
if (p_e->getType() == HERO_MOVE_EVENT) {
EventHeroMove *p_hm_e = static_cast<EventHeroMove *>(p_e);
hero_pos = p_hm_e->getPos();
return 1;
}
if (p_e->getType() == STEP_EVENT) {
speed_cooldown--;
if (speed_cooldown == 0) {
speed_cooldown = max_speed_cooldown;
move_to_hero();
}
return 1;
}
if (p_e->getType() == COLLISION_EVENT) {
EventCollision *p_c_e = static_cast<EventCollision *>(p_e);
handleCollision(p_c_e);
}
if (p_e->getType() == LEVEL_UP_EVENT) {
EventLevelUp *le = static_cast<EventLevelUp *>(p_e);
max_speed_cooldown -= le->getLevel();
ghost_velocity += GHOST_VELOCITY * le->getLevel();
if (max_speed_cooldown < 1){
max_speed_cooldown = 1;
}
}
return 0;
}
void Ghost::move_to_hero() {
WorldManager &wm = WorldManager::getInstance();
Position pos = getPosition();
if (abs(pos.getX() - hero_pos.getX()) > abs(pos.getY() - hero_pos.getY())) {
if (pos.getX() > hero_pos.getX()) {
setXVelocity(-GHOST_VELOCITY);
} else if (pos.getX() < hero_pos.getX()) {
setXVelocity(GHOST_VELOCITY);
}
} else if (pos.getY() > hero_pos.getY()) {
setYVelocity(-GHOST_VELOCITY);
} else {
setYVelocity(GHOST_VELOCITY);
}
}
void Ghost::handleCollision(EventCollision* e) {
LogManager &log_manager = LogManager::getInstance();
WorldManager &world_manager = WorldManager::getInstance();
string collision_obj1_type = e->getObject1()->getType();
string collision_obj2_type = e->getObject2()->getType();
if (collision_obj1_type == "Bullet" || collision_obj2_type == "Bullet") {
Explosion *p_explosion = new Explosion;
p_explosion->setPosition(this->getPosition());
EventView ev(POINTS_STRING, 20, true);
world_manager.onEvent(&ev);
world_manager.markForDelete(e->getObject1());
world_manager.markForDelete(e->getObject2());
}
}
Ghost::~Ghost() {
LevelManager &level_manager = LevelManager::getInstance();
level_manager.objectDelete(this);
}