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Copy pathinventory.cpp
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768 lines (668 loc) · 21.3 KB
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/* Copyright (C) 2009,2010,2011 Dawn - 2D roleplaying game
This file is a part of the dawn-rpg project <https://github.com/frusen/Dawn>.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#include "inventory.h"
#include "item.h"
#include "character.h"
#include "player.h"
#include "globals.h"
#include <cassert>
InventoryItem::InventoryItem( Item* item,
size_t inventoryPosX,
size_t inventoryPosY,
Player* player,
InventoryItem* copyFrom )
: item( item ),
player( player ),
currentStackSize( 1 ),
inventoryPosX( inventoryPosX ),
inventoryPosY( inventoryPosY )
{
// copy properties from the original inventoryItem (if we've suggested so)
if( copyFrom != NULL )
{
copyAttributes( copyFrom );
}
tooltip = new itemTooltip(item, this, player);
}
InventoryItem::~InventoryItem()
{
delete tooltip;
}
size_t InventoryItem::getInventoryPosX() const
{
return inventoryPosX;
}
size_t InventoryItem::getInventoryPosY() const
{
return inventoryPosY;
}
void InventoryItem::setInventoryPos( size_t inventoryPosX_, size_t inventoryPosY_ )
{
inventoryPosX = inventoryPosX_;
inventoryPosY = inventoryPosY_;
}
size_t InventoryItem::getSizeX() const
{
return item->getSizeX();
}
size_t InventoryItem::getSizeY() const
{
return item->getSizeY();
}
Item* InventoryItem::getItem() const
{
return item;
}
itemTooltip* InventoryItem::getTooltip() const
{
return tooltip;
}
/// Class Inventory
Inventory::Inventory( size_t sizeX_, size_t sizeY_, Player* player_ )
: player( player_ )
{
size_t numEquippable = static_cast<size_t>( ItemSlot::COUNT );
equippedItems = new InventoryItem* [ numEquippable ];
for( size_t curEquippable=0; curEquippable<numEquippable; ++curEquippable )
{
equippedItems[ curEquippable ] = NULL;
}
sizeX = sizeX_;
sizeY = sizeY_;
slotUsed = new bool*[sizeX];
for( size_t curX=0; curX<sizeX; ++curX )
{
slotUsed[ curX ] = new bool[sizeY];
for( size_t curY=0; curY<sizeY; ++curY )
{
slotUsed[ curX ][ curY ] = false;
}
}
}
Inventory::~Inventory()
{
delete[] equippedItems;
for( size_t curX=0; curX<sizeX; ++curX )
{
delete[] slotUsed[ curX ];
}
delete[] slotUsed;
}
bool Inventory::stackItemIfPossible( Item* item, InventoryItem* itemToStack ) const
{
if( item->isItemStackable() == true )
{
std::vector<InventoryItem*> fittingItemsToStack = getIdenticalItemsFromBackpack( item );
for( size_t curItem = 0; curItem < fittingItemsToStack.size(); curItem++ )
{
// checking for suitable item to stack when we have an InventoryItem to account for
if( itemToStack != NULL )
{
if( itemToStack->getCurrentStackSize() + fittingItemsToStack[ curItem ]->getCurrentStackSize() <= item->getMaxStackSize() )
{
fittingItemsToStack[ curItem ]->setCurrentStackSize( itemToStack->getCurrentStackSize() + fittingItemsToStack[ curItem ]->getCurrentStackSize() );
return true;
}
}
// else we just check for an item that fits that isn't already full.
else
{
if( fittingItemsToStack[ curItem ]->isItemStackFull() == false )
{
fittingItemsToStack[ curItem ]->increaseCurrentStack();
return true;
}
}
}
}
return false;
}
bool Inventory::insertItem( Item* item, InventoryItem* oldInventoryItem )
{
// if the item is stackable, we will try and add it to an existing item's stack, if such an item exists in the inventory.
bool ableToStackTheItem = stackItemIfPossible( item, oldInventoryItem );
if( ableToStackTheItem == true )
{
return true;
}
size_t itemSizeX = item->getSizeX();
size_t itemSizeY = item->getSizeY();
bool foundPosition = false;
size_t foundX = 0;
size_t foundY = 0;
// look for next free position
for( size_t freeX=0; freeX<sizeX-itemSizeX+1 && !foundPosition; ++freeX )
{
for( size_t freeY=0; freeY<sizeY-itemSizeY+1 && !foundPosition; ++freeY )
{
if( hasSufficientSpaceAt( freeX, freeY, itemSizeX, itemSizeY ) )
{
foundPosition = true;
foundX = freeX;
foundY = freeY;
}
}
}
if( !foundPosition )
{
return false;
}
InventoryItem* newInvItem = new InventoryItem( item,
foundX,
foundY,
player,
oldInventoryItem );
insertItemAt( newInvItem, foundX, foundY );
return true;
}
bool Inventory::hasSufficientSpaceAt( size_t inventoryPosX,
size_t inventoryPosY,
size_t itemSizeX,
size_t itemSizeY ) const
{
size_t inventoryMaxX = inventoryPosX + itemSizeX - 1;
size_t inventoryMaxY = inventoryPosY + itemSizeY - 1;
if( (inventoryMaxX >= sizeX) || (inventoryMaxY >= sizeY) )
{
return false;
}
for( size_t curX=inventoryPosX; curX<=inventoryMaxX; ++curX )
{
for( size_t curY=inventoryPosY; curY<=inventoryMaxY; ++curY )
{
if( slotUsed[ curX ][ curY ] )
{
return false;
}
}
}
return true;
}
bool Inventory::hasSufficientSpaceWithExchangeAt( size_t inventoryPosX,
size_t inventoryPosY,
size_t itemSizeX,
size_t itemSizeY )
{
size_t inventoryMaxX = inventoryPosX + itemSizeX - 1;
size_t inventoryMaxY = inventoryPosY + itemSizeY - 1;
InventoryItem* firstBlockingItemFound = NULL;
if( (inventoryMaxX >= sizeX) || (inventoryMaxY >= sizeY) )
{
return false;
}
for( size_t curX=inventoryPosX; curX<=inventoryMaxX; ++curX )
{
for( size_t curY=inventoryPosY; curY<=inventoryMaxY; ++curY )
{
if( slotUsed[ curX ][ curY ] )
{
InventoryItem* curBlockinItemFound = getItemAt( curX, curY );
if( firstBlockingItemFound == NULL )
{
firstBlockingItemFound = curBlockinItemFound;
}
else if( firstBlockingItemFound != curBlockinItemFound )
{
return false;
}
}
}
}
return true;
}
InventoryItem* Inventory::findFirstBlockingItem( size_t inventoryPosX,
size_t inventoryPosY,
size_t itemSizeX,
size_t itemSizeY )
{
size_t inventoryMaxX = inventoryPosX + itemSizeX - 1;
size_t inventoryMaxY = inventoryPosY + itemSizeY - 1;
assert( (inventoryMaxX < sizeX) && (inventoryMaxY < sizeY) );
for( size_t curX=inventoryPosX; curX<=inventoryMaxX; ++curX )
{
for( size_t curY=inventoryPosY; curY<=inventoryMaxY; ++curY )
{
if( slotUsed[ curX ][ curY ] )
{
InventoryItem* curBlockinItemFound = getItemAt( curX, curY );
return curBlockinItemFound;
}
}
}
return NULL;
}
std::vector<InventoryItem*> Inventory::getEquippedItems() const
{
std::vector<InventoryItem*> allEquippedItems;
for( size_t slot=0 ; slot < static_cast<size_t>(ItemSlot::COUNT); ++slot )
{
if( equippedItems[ slot ] != NULL )
{
allEquippedItems.push_back( equippedItems[ slot ] );
}
}
return allEquippedItems;
}
std::vector<InventoryItem*> Inventory::getBackpackItems() const
{
return backpackItems;
}
void Inventory::wieldItemAtSlot( ItemSlot::ItemSlot slotToUse,
InventoryItem* item )
{
assert( (item == NULL) || (item->getItem()->getEquipPosition() ==
Inventory::getEquipType( slotToUse )) );
if( item != NULL )
{
/* if we have equipped a two-handed weapon and replacing it with an
item in mainhand or offhand, we need to set the off-hand slot to NULL */
if( slotToUse == ItemSlot::MAIN_HAND || slotToUse == ItemSlot::OFF_HAND )
{
if( isWieldingTwoHandedWeapon() == true )
{
equippedItems[ static_cast<size_t>( ItemSlot::MAIN_HAND ) ] = NULL;
equippedItems[ static_cast<size_t>( ItemSlot::OFF_HAND ) ] = NULL;
}
}
/* if the item we're about to equip is a two-handed weapon,
we also put that item in the off-hand slot. */
if ( item->getItem()->isTwoHandedWeapon() == true )
{
equippedItems[ static_cast<size_t>( ItemSlot::OFF_HAND ) ] = item;
}
}
else
{
/* if we're removing a two-handed weapon, we also need to set the
off-hand slot to NULL. */
if( (slotToUse == ItemSlot::MAIN_HAND || slotToUse == ItemSlot::OFF_HAND)
&& isWieldingTwoHandedWeapon() == true )
{
equippedItems[ static_cast<size_t>( ItemSlot::MAIN_HAND ) ] = NULL;
equippedItems[ static_cast<size_t>( ItemSlot::OFF_HAND ) ] = NULL;
}
}
equippedItems[ static_cast<size_t>( slotToUse ) ] = item;
/* this will seed a new ticket to the item and spell tooltips, telling
them to reload their data. */
player->setTicketForItemTooltip();
player->setTicketForSpellTooltip();
}
InventoryItem* Inventory::getItemAtSlot( ItemSlot::ItemSlot slotToUse )
{
return equippedItems[ static_cast<size_t>( slotToUse ) ];
}
bool Inventory::isPositionFree( size_t invPosX, size_t invPosY ) const
{
if( invPosX >= sizeX || invPosY >= sizeY )
{
return false;
}
return !slotUsed[invPosX][invPosY];
}
InventoryItem* Inventory::getItemAt( size_t invPosX, size_t invPosY )
{
assert( !isPositionFree( invPosX, invPosY ) );
size_t numBackItems = backpackItems.size();
for( size_t curBackItemNr=0; curBackItemNr<numBackItems; ++curBackItemNr )
{
InventoryItem* curItem = backpackItems[ curBackItemNr ];
size_t itemPosX = curItem->getInventoryPosX();
size_t itemPosY = curItem->getInventoryPosY();
size_t itemSizeX = curItem->getItem()->getSizeX();
size_t itemSizeY = curItem->getItem()->getSizeY();
if( itemPosX <= invPosX && itemPosX + itemSizeX > invPosX &&
itemPosY <= invPosY && itemPosY + itemSizeY > invPosY )
{
return curItem;
}
}
// should have found an item so should never reach here
abort();
}
void InventoryItem::copyAttributes( InventoryItem* copyFrom )
{
currentStackSize = copyFrom->getCurrentStackSize();
}
bool Inventory::isWieldingTwoHandedWeapon() const
{
if( equippedItems[ static_cast<size_t>( ItemSlot::MAIN_HAND ) ] != NULL )
{
return equippedItems[ static_cast<size_t>( ItemSlot::MAIN_HAND ) ]->getItem()->isTwoHandedWeapon();
}
return false;
}
WeaponType::WeaponType Inventory::getWeaponTypeBySlot( ItemSlot::ItemSlot itemSlot ) const
{
if( equippedItems[ static_cast<size_t>( itemSlot ) ] == NULL )
{
return WeaponType::NO_WEAPON;
}
return equippedItems[ static_cast<size_t>( itemSlot ) ]->getItem()->getWeaponType();
}
std::vector<InventoryItem*> Inventory::getIdenticalItemsFromBackpack( Item *item ) const
{
std::vector<InventoryItem*> ourItems;
for( size_t curBackpackItemNr=0;
curBackpackItemNr<backpackItems.size();
++curBackpackItemNr )
{
if( backpackItems[ curBackpackItemNr ]->getItem() == item )
{
ourItems.push_back( backpackItems[ curBackpackItemNr ] );
}
}
return ourItems;
}
bool Inventory::doesItemExistInBackpack( Item* item, int quantity ) const
{
for( size_t curBackpackItemNr=0;
curBackpackItemNr<backpackItems.size();
++curBackpackItemNr )
{
if( backpackItems[ curBackpackItemNr ]->getItem() == item
&& backpackItems[ curBackpackItemNr ]->getCurrentStackSize() >= quantity )
{
return true;
}
}
return false;
}
bool Inventory::containsItem( InventoryItem* inventoryItem ) const
{
for( size_t curBackpackItemNr=0;
curBackpackItemNr<backpackItems.size();
++curBackpackItemNr )
{
if( backpackItems[ curBackpackItemNr ] == inventoryItem )
{
return true;
}
}
return false;
}
void Inventory::removeItem( InventoryItem* inventoryItem )
{
for( size_t itemNr=0; itemNr<backpackItems.size(); ++itemNr )
{
if( backpackItems[ itemNr ] == inventoryItem )
{
for( size_t curX=inventoryItem->getInventoryPosX();
curX<inventoryItem->getInventoryPosX() + inventoryItem->getSizeX();
++curX )
{
for( size_t curY=inventoryItem->getInventoryPosY();
curY<inventoryItem->getInventoryPosY() + inventoryItem->getSizeY();
++curY )
{
slotUsed[curX][curY] = false;
}
}
backpackItems[ itemNr ] = backpackItems[ backpackItems.size() - 1 ];
backpackItems.resize( backpackItems.size() - 1 );
}
}
}
void Inventory::removeItem( Item *item )
{
for( size_t curBackpackItemNr=0;
curBackpackItemNr<backpackItems.size();
++curBackpackItemNr )
{
if( backpackItems[ curBackpackItemNr ]->getItem() == item )
{
removeItem( backpackItems[ curBackpackItemNr ] );
}
}
}
void Inventory::insertItemAt( InventoryItem* inventoryItem,
size_t invPosX,
size_t invPosY )
{
assert( hasSufficientSpaceAt( invPosX, invPosY,
inventoryItem->getSizeX(),
inventoryItem->getSizeY() ) );
inventoryItem->setInventoryPos( invPosX, invPosY );
backpackItems.push_back( inventoryItem );
size_t inventoryMaxX = invPosX + inventoryItem->getSizeX() - 1;
size_t inventoryMaxY = invPosY + inventoryItem->getSizeY() - 1;
for( size_t curX=invPosX; curX<=inventoryMaxX; ++curX )
{
for( size_t curY=invPosY; curY<=inventoryMaxY; ++curY )
{
slotUsed[ curX ][ curY ] = true;
}
}
}
InventoryItem* Inventory::insertItemWithExchangeAt( InventoryItem *inventoryItem, size_t invPosX, size_t invPosY )
{
assert( hasSufficientSpaceWithExchangeAt( invPosX, invPosY, inventoryItem->getSizeX(), inventoryItem->getSizeY() ) );
InventoryItem *blockingItem = findFirstBlockingItem( invPosX, invPosY, inventoryItem->getSizeX(), inventoryItem->getSizeY() );
if ( blockingItem != NULL ) {
removeItem( blockingItem );
}
inventoryItem->setInventoryPos( invPosX, invPosY );
backpackItems.push_back( inventoryItem );
size_t inventoryMaxX = invPosX + inventoryItem->getSizeX() - 1;
size_t inventoryMaxY = invPosY + inventoryItem->getSizeY() - 1;
for ( size_t curX=invPosX; curX<=inventoryMaxX; ++curX ) {
for ( size_t curY=invPosY; curY<=inventoryMaxY; ++curY ) {
slotUsed[ curX ][ curY ] = true;
}
}
return blockingItem;
}
size_t InventoryItem::getCurrentStackSize() const
{
return currentStackSize;
}
void InventoryItem::setCurrentStackSize( size_t currentStackSize )
{
this->currentStackSize = currentStackSize;
}
void InventoryItem::increaseCurrentStack()
{
if( currentStackSize < getItem()->getMaxStackSize() )
{
currentStackSize++;
getTooltip()->reloadTooltip();
}
}
void InventoryItem::decreaseCurrentStack()
{
if( currentStackSize > 0 )
{
currentStackSize--;
getTooltip()->reloadTooltip();
}
}
bool InventoryItem::isItemStackFull() const
{
if( currentStackSize == getItem()->getMaxStackSize() )
{
return true;
}
return false;
}
std::string Inventory::getReloadText()
{
std::ostringstream oss;
oss << "-- Player's inventory" << std::endl;
oss << "-- Items in Backpack" << std::endl;
for( size_t backpackNr=0; backpackNr<backpackItems.size(); ++backpackNr )
{
InventoryItem* curBackpackItem = backpackItems[ backpackNr ];
Item* curItem = curBackpackItem->getItem();
oss << "DawnInterface.restoreItemInBackpack( itemDatabase[\""
<< curItem->getID() << "\"], "
<< curBackpackItem->getInventoryPosX()
<< ", " << curBackpackItem->getInventoryPosY() << ", "
<< curBackpackItem->getCurrentStackSize() << " );"
<< std::endl;
}
oss << "-- equipped Items" << std::endl;
size_t numEquippable = static_cast<size_t>( ItemSlot::COUNT );
for( size_t curEquippable=0; curEquippable<numEquippable; ++curEquippable )
{
if( equippedItems[ curEquippable ] != NULL )
{
Item* curItem = equippedItems[ curEquippable ]->getItem();
/* if the item is two-handed and we're inspecting the off-hand slot
don't output it. */
if( !( curItem->isTwoHandedWeapon() == true &&
curEquippable == static_cast<size_t>( ItemSlot::OFF_HAND ) ) )
{
oss << "DawnInterface.restoreWieldItem( " << curEquippable << ", "
<< "itemDatabase[\"" << curItem->getID() << "\"] " << ");"
<< std::endl;
}
}
}
return oss.str();
}
void Inventory::clear()
{
// remove backpack items
for( size_t backpackNr=0; backpackNr<backpackItems.size(); ++backpackNr )
{
InventoryItem *curBackpackItem = backpackItems[ backpackNr ];
delete curBackpackItem;
}
backpackItems.resize( 0 );
// free space in inventory so we can place new items
for( size_t curX=0; curX<sizeX; ++ curX )
{
for( size_t curY=0; curY<sizeY; ++curY )
{
slotUsed[curX][curY] = false;
}
}
// remove equipped items
size_t numEquippable = static_cast<size_t>( ItemSlot::COUNT );
for( size_t curEquippable=0; curEquippable<numEquippable; ++curEquippable )
{
if( equippedItems[ curEquippable ] != NULL )
{
/* check if our weapon is of a two-handed type, then we need to set the
other side (offhand or mainhand) to NULL aswell. */
if( equippedItems[curEquippable]->getItem()->isTwoHandedWeapon() == true )
{
delete equippedItems[ curEquippable ];
equippedItems[ ItemSlot::MAIN_HAND ] = NULL;
equippedItems[ ItemSlot::OFF_HAND ] = NULL;
}
else
{
delete equippedItems[ curEquippable ];
}
}
equippedItems[ curEquippable ] = NULL;
}
}
namespace DawnInterface
{
std::string getInventorySaveText()
{
return Globals::getPlayer()->getInventory()->getReloadText();
}
void restoreItemInBackpack( Item* item,
int inventoryPosX,
int inventoryPosY,
size_t stackSize )
{
InventoryItem* invItem = new InventoryItem( item,
inventoryPosX,
inventoryPosY,
Globals::getPlayer() );
invItem->setCurrentStackSize( stackSize );
Globals::getPlayer()->getInventory()->insertItemWithExchangeAt( invItem,
inventoryPosX,
inventoryPosY );
}
void restoreWieldItem( int slot, Item* item )
{
ItemSlot::ItemSlot slotToUse = static_cast<ItemSlot::ItemSlot>( slot );
InventoryItem* invItem = new InventoryItem( item,
0, 0,
Globals::getPlayer() );
Globals::getPlayer()->getInventory()->wieldItemAtSlot( slotToUse, invItem );
}
}
EquipPosition::EquipPosition Inventory::getEquipType( ItemSlot::ItemSlot itemSlot )
{
switch ( itemSlot )
{
case ItemSlot::HEAD:
return EquipPosition::HEAD;
case ItemSlot::AMULET:
return EquipPosition::AMULET;
case ItemSlot::MAIN_HAND:
return EquipPosition::MAIN_HAND;
case ItemSlot::OFF_HAND:
return EquipPosition::OFF_HAND;
case ItemSlot::BELT:
return EquipPosition::BELT;
case ItemSlot::LEGS:
return EquipPosition::LEGS;
case ItemSlot::SHOULDER:
return EquipPosition::SHOULDER;
case ItemSlot::CHEST:
return EquipPosition::CHEST;
case ItemSlot::GLOVES:
return EquipPosition::GLOVES;
case ItemSlot::CLOAK:
return EquipPosition::CLOAK;
case ItemSlot::BOOTS:
return EquipPosition::BOOTS;
case ItemSlot::RING_ONE:
return EquipPosition::RING;
case ItemSlot::RING_TWO:
return EquipPosition::RING;
case ItemSlot::COUNT:
return EquipPosition::NONE;
}
dawn_debug_fatal("Reached end of Inventory::getEquipType without finding the given ItemSlot. This should not be.");
abort();
}
bool InventoryItem::canPlayerUseItem() const
{
bool useableItem = true;
if( player->getLevel() < item->getRequiredLevel() )
{
useableItem = false;
}
if( item->getArmorType() != ArmorType::NO_ARMOR )
{
useableItem = player->canWearArmorType( item );
}
if( item->isUseable() )
{
if( player->getLevel() < item->getSpell()->getRequiredLevel() )
{
useableItem = false;
}
if( player->getClass() != item->getSpell()->getRequiredClass() &&
item->getSpell()->getRequiredClass() != CharacterClass::ANYCLASS )
{
useableItem = false;
}
if( item->getItemType() == ItemType::NEWSPELL )
{
if( player->isSpellInscribedInSpellbook( item->getSpell() ) == true )
{
useableItem = false;
}
}
}
return useableItem;
}
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