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/*
* Copyright 2010-2014 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenXcom is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "BattleItem.h"
#include "BattleUnit.h"
#include "Tile.h"
#include "../Ruleset/RuleItem.h"
#include "../Ruleset/RuleInventory.h"
namespace OpenXcom
{
/**
* Initializes a item of the specified type.
* @param rules Pointer to ruleset.
* @param id The id of the item.
*/
BattleItem::BattleItem(RuleItem *rules, int *id) : _id(*id), _rules(rules), _owner(0), _previousOwner(0), _unit(0), _tile(0), _inventorySlot(0), _inventoryX(0), _inventoryY(0), _ammoItem(0), _fuseTimer(-1), _ammoQuantity(0), _painKiller(0), _heal(0), _stimulant(0), _XCOMProperty(false), _droppedOnAlienTurn(false)
{
if (_rules && _rules->getBattleType() == BT_AMMO)
{
setAmmoQuantity(_rules->getClipSize());
} else if (_rules && _rules->getBattleType() == BT_MEDIKIT)
{
setHealQuantity (_rules->getHealQuantity ());
setPainKillerQuantity (_rules->getPainKillerQuantity ());
setStimulantQuantity (_rules->getStimulantQuantity ());
}
(*id)++;
// weapon does not need ammo, ammo item points to weapon
if (_rules && (_rules->getBattleType() == BT_FIREARM || _rules->getBattleType() == BT_MELEE) && _rules->getCompatibleAmmo()->empty())
{
setAmmoQuantity(_rules->getClipSize());
_ammoItem = this;
}
}
/**
*
*/
BattleItem::~BattleItem()
{
}
/**
* Loads the item from a YAML file.
* @param node YAML node.
*/
void BattleItem::load(const YAML::Node &node)
{
_inventoryX = node["inventoryX"].as<int>(_inventoryX);
_inventoryY = node["inventoryY"].as<int>(_inventoryY);
_ammoQuantity = node["ammoqty"].as<int>(_ammoQuantity);
_painKiller = node["painKiller"].as<int>(_painKiller);
_heal = node["heal"].as<int>(_heal);
_stimulant = node["stimulant"].as<int>(_stimulant);
_fuseTimer = node["fuseTimer"].as<int>(_fuseTimer);
_droppedOnAlienTurn = node["droppedOnAlienTurn"].as<bool>(_droppedOnAlienTurn);
}
/**
* Saves the item to a YAML file.
* @return YAML node.
*/
YAML::Node BattleItem::save() const
{
YAML::Node node;
node["id"] = _id;
node["type"] = _rules->getType();
if (_owner)
{
node["owner"] = _owner->getId();
}
else
{
node["owner"] = -1;
}
if (_unit)
{
node["unit"] = _unit->getId();
}
else
{
node["unit"] = -1;
}
if (_inventorySlot)
{
node["inventoryslot"] = _inventorySlot->getId();
}
else
{
node["inventoryslot"] = "NULL";
}
node["inventoryX"] = _inventoryX;
node["inventoryY"] = _inventoryY;
if (_tile)
{
node["position"] = _tile->getPosition();
}
else
{
node["position"] = Position(-1, -1, -1);
}
node["ammoqty"] = _ammoQuantity;
if (_ammoItem)
{
node["ammoItem"] = _ammoItem->getId();
}
else
{
node["ammoItem"] = -1;
}
node["painKiller"] = _painKiller;
node["heal"] = _heal;
node["stimulant"] = _stimulant;
node["fuseTimer"] = _fuseTimer;
if (_droppedOnAlienTurn)
node["droppedOnAlienTurn"] = _droppedOnAlienTurn;
return node;
}
/**
* Gets the ruleset for the item's type.
* @return Pointer to ruleset.
*/
RuleItem *BattleItem::getRules() const
{
return _rules;
}
/**
* Gets the turns until detonation. -1 = unprimed grenade
* @return turns until detonation.
*/
int BattleItem::getFuseTimer() const
{
return _fuseTimer;
}
/**
* Sets the turn to explode on.
* @param turns Turns until detonation (player/alien turns, not game turns).
*/
void BattleItem::setFuseTimer(int turns)
{
_fuseTimer = turns;
}
/**
* Gets the quantity of ammo in this item.
* @return Ammo quantity.
*/
int BattleItem::getAmmoQuantity() const
{
if (_rules->getClipSize() == -1)
{
return 255;
}
return _ammoQuantity;
}
/**
* Changes the quantity of ammo in this item.
* @param qty Ammo quantity.
*/
void BattleItem::setAmmoQuantity(int qty)
{
_ammoQuantity = qty;
}
/**
* Spends a bullet from the ammo in this item.
* @return True if there are bullets left.
*/
bool BattleItem::spendBullet()
{
_ammoQuantity--;
if (_ammoQuantity == 0)
return false;
else
return true;
}
/**
* Gets the item's owner.
* @return Pointer to Battleunit.
*/
BattleUnit *BattleItem::getOwner() const
{
return _owner;
}
/**
* Gets the item's previous owner.
* @return Pointer to Battleunit.
*/
BattleUnit *BattleItem::getPreviousOwner() const
{
return _previousOwner;
}
/**
* Sets the item's owner.
* @param owner Pointer to Battleunit.
*/
void BattleItem::setOwner(BattleUnit *owner)
{
_previousOwner = _owner;
_owner = owner;
}
/**
* Removes the item from the previous owner and moves it to the new owner.
* @param owner Pointer to Battleunit.
*/
void BattleItem::moveToOwner(BattleUnit *owner)
{
_previousOwner = _owner ? _owner:owner;
_owner = owner;
if (_previousOwner != 0)
{
for (std::vector<BattleItem*>::iterator i = _previousOwner->getInventory()->begin(); i != _previousOwner->getInventory()->end(); ++i)
{
if ((*i) == this)
{
_previousOwner->getInventory()->erase(i);
break;
}
}
}
if (_owner != 0)
{
_owner->getInventory()->push_back(this);
}
}
/**
* Gets the item's inventory slot.
* @return The slot id.
*/
RuleInventory *BattleItem::getSlot() const
{
return _inventorySlot;
}
/**
* Sets the item's inventory slot.
* @param slot The slot id.
*/
void BattleItem::setSlot(RuleInventory *slot)
{
_inventorySlot = slot;
}
/**
* Gets the item's inventory X position.
* @return X position.
*/
int BattleItem::getSlotX() const
{
return _inventoryX;
}
/**
* Sets the item's inventory X position.
* @param x X position.
*/
void BattleItem::setSlotX(int x)
{
_inventoryX = x;
}
/**
* Gets the item's inventory Y position.
* @return Y position.
*/
int BattleItem::getSlotY() const
{
return _inventoryY;
}
/**
* Sets the item's inventory Y position.
* @param y Y position.
*/
void BattleItem::setSlotY(int y)
{
_inventoryY = y;
}
/**
* Checks if the item is covering certain inventory slot(s).
* @param x Slot X position.
* @param y Slot Y position.
* @param item Item to check for overlap, or NULL if none.
* @return True if it is covering.
*/
bool BattleItem::occupiesSlot(int x, int y, BattleItem *item) const
{
if (item == this)
return false;
if (_inventorySlot->getType() == INV_HAND)
return true;
if (item == 0)
{
return (x >= _inventoryX && x < _inventoryX + _rules->getInventoryWidth() &&
y >= _inventoryY && y < _inventoryY + _rules->getInventoryHeight());
}
else
{
return !(x >= _inventoryX + _rules->getInventoryWidth() ||
x + item->getRules()->getInventoryWidth() <= _inventoryX ||
y >= _inventoryY + _rules->getInventoryHeight() ||
y + item->getRules()->getInventoryHeight() <= _inventoryY);
}
}
/**
* Gets the item's ammo item.
* @return The ammo item.
*/
BattleItem *BattleItem::getAmmoItem()
{
return _ammoItem;
}
/**
* Determines if the item uses ammo.
* @return True if ammo is used.
*/
bool BattleItem::needsAmmo() const
{
return !(_ammoItem == this); // no ammo for this weapon is needed
}
/**
* Sets the item's ammo item.
* @param item The ammo item.
* @return -2 when ammo doesn't fit, or -1 when weapon already contains ammo.
*/
int BattleItem::setAmmoItem(BattleItem *item)
{
if (!needsAmmo()) return -2;
if (item == 0)
{
_ammoItem = 0;
return 0;
}
if (_ammoItem)
return -1;
for (std::vector<std::string>::iterator i = _rules->getCompatibleAmmo()->begin(); i != _rules->getCompatibleAmmo()->end(); ++i)
{
if (*i == item->getRules()->getType())
{
_ammoItem = item;
return 0;
}
}
return -2;
}
/**
* Gets the item's tile.
* @return The tile.
*/
Tile *BattleItem::getTile() const
{
return _tile;
}
/**
* Sets the item's tile.
* @param tile The tile.
*/
void BattleItem::setTile(Tile *tile)
{
_tile = tile;
}
/**
* Gets the item's id.
* @return The item's id.
*/
int BattleItem::getId() const
{
return _id;
}
/**
* Gets the corpse's unit.
* @return Pointer to BattleUnit.
*/
BattleUnit *BattleItem::getUnit() const
{
return _unit;
}
/**
* Sets the corpse's unit.
* @param unit Pointer to BattleUnit.
*/
void BattleItem::setUnit(BattleUnit *unit)
{
_unit = unit;
}
/**
* Sets the heal quantity of the item.
* @param heal The new heal quantity.
*/
void BattleItem::setHealQuantity (int heal)
{
_heal = heal;
}
/**
* Gets the heal quantity of the item.
* @return The new heal quantity.
*/
int BattleItem::getHealQuantity () const
{
return _heal;
}
/**
* Sets the pain killer quantity of the item.
* @param pk The new pain killer quantity.
*/
void BattleItem::setPainKillerQuantity (int pk)
{
_painKiller = pk;
}
/**
* Gets the pain killer quantity of the item.
* @return The new pain killer quantity.
*/
int BattleItem::getPainKillerQuantity () const
{
return _painKiller;
}
/**
* Sets the stimulant quantity of the item.
* @param stimulant The new stimulant quantity.
*/
void BattleItem::setStimulantQuantity (int stimulant)
{
_stimulant = stimulant;
}
/**
* Gets the stimulant quantity of the item.
* @return The new stimulant quantity.
*/
int BattleItem::getStimulantQuantity () const
{
return _stimulant;
}
/**
* Sets the XCom property flag. This is to determine at debriefing what goes into the base/craft.
* @param flag True if it's XCom property.
*/
void BattleItem::setXCOMProperty (bool flag)
{
_XCOMProperty = flag;
}
/**
* Gets the XCom property flag. This is to determine at debriefing what goes into the base/craft.
* @return True if it's XCom property.
*/
bool BattleItem::getXCOMProperty () const
{
return _XCOMProperty;
}
/**
* Gets the "dropped on non-player turn" flag. This is to determine whether or not
* aliens should attempt to pick this item up, as items dropped by the player may be "honey traps".
* @return True if the aliens dropped the item.
*/
bool BattleItem::getTurnFlag() const
{
return _droppedOnAlienTurn;
}
/**
* Sets the "dropped on non-player turn" flag. This is set when the item is dropped in the battlescape
* or picked up in the inventory screen.
* @param flag True if the aliens dropped the item.
*/
void BattleItem::setTurnFlag(bool flag)
{
_droppedOnAlienTurn = flag;
}
/**
* Converts an unconscious body into a dead one.
* @param rules the rules of the corpse item to convert this item into.
*/
void BattleItem::convertToCorpse(RuleItem *rules)
{
if (_unit && _rules->getBattleType() == BT_CORPSE && rules->getBattleType() == BT_CORPSE)
{
_rules = rules;
}
}
}