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1033 lines (977 loc) · 29.5 KB
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/*
* Copyright 2010-2015 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 "Inventory.h"
#include <cmath>
#include "../Mod/Mod.h"
#include "../Mod/RuleInventory.h"
#include "../Mod/RuleInterface.h"
#include "../Engine/Game.h"
#include "../Engine/Timer.h"
#include "../Interface/Text.h"
#include "../Interface/NumberText.h"
#include "../Engine/Font.h"
#include "../Engine/Language.h"
#include "../Engine/Options.h"
#include "../Savegame/SavedGame.h"
#include "../Savegame/SavedBattleGame.h"
#include "../Engine/SurfaceSet.h"
#include "../Savegame/BattleItem.h"
#include "../Mod/RuleItem.h"
#include "../Savegame/BattleUnit.h"
#include "../Engine/Action.h"
#include "../Engine/Sound.h"
#include "WarningMessage.h"
#include "../Savegame/Tile.h"
#include "PrimeGrenadeState.h"
namespace OpenXcom
{
/**
* Sets up an inventory with the specified size and position.
* @param game Pointer to core game.
* @param width Width in pixels.
* @param height Height in pixels.
* @param x X position in pixels.
* @param y Y position in pixels.
* @param base Is the inventory being called from the basescape?
*/
Inventory::Inventory(Game *game, int width, int height, int x, int y, bool base) : InteractiveSurface(width, height, x, y), _game(game), _selUnit(0), _selItem(0), _tu(true), _base(base), _groundOffset(0), _animFrame(0)
{
_depth = _game->getSavedGame()->getSavedBattle()->getDepth();
_grid = new Surface(width, height, x, y);
_items = new Surface(width, height, x, y);
_selection = new Surface(RuleInventory::HAND_W * RuleInventory::SLOT_W, RuleInventory::HAND_H * RuleInventory::SLOT_H, x, y);
_warning = new WarningMessage(224, 24, 48, 176);
_stackNumber = new NumberText(15, 15, 0, 0);
_stackNumber->setBordered(true);
_warning->initText(_game->getMod()->getFont("FONT_BIG"), _game->getMod()->getFont("FONT_SMALL"), _game->getLanguage());
_warning->setColor(_game->getMod()->getInterface("battlescape")->getElement("warning")->color2);
_warning->setTextColor(_game->getMod()->getInterface("battlescape")->getElement("warning")->color);
_animTimer = new Timer(125);
_animTimer->onTimer((SurfaceHandler)&Inventory::drawPrimers);
_animTimer->start();
}
/**
* Deletes inventory surfaces.
*/
Inventory::~Inventory()
{
delete _grid;
delete _items;
delete _selection;
delete _warning;
delete _stackNumber;
delete _animTimer;
}
/**
* Replaces a certain amount of colors in the inventory's palette.
* @param colors Pointer to the set of colors.
* @param firstcolor Offset of the first color to replace.
* @param ncolors Amount of colors to replace.
*/
void Inventory::setPalette(SDL_Color *colors, int firstcolor, int ncolors)
{
Surface::setPalette(colors, firstcolor, ncolors);
_grid->setPalette(colors, firstcolor, ncolors);
_items->setPalette(colors, firstcolor, ncolors);
_selection->setPalette(colors, firstcolor, ncolors);
_warning->setPalette(colors, firstcolor, ncolors);
_stackNumber->setPalette(getPalette());
}
/**
* Changes the inventory's Time Units mode.
* When True, inventory actions cost soldier time units (for battle).
* When False, inventory actions don't cost anything (for pre-equip).
* @param tu Time Units mode.
*/
void Inventory::setTuMode(bool tu)
{
_tu = tu;
}
/**
* Changes the unit to display the inventory of.
* @param unit Pointer to battle unit.
*/
void Inventory::setSelectedUnit(BattleUnit *unit)
{
_selUnit = unit;
_groundOffset = 999;
arrangeGround();
}
/**
* Draws the inventory elements.
*/
void Inventory::draw()
{
drawGrid();
drawItems();
}
/**
* Draws the inventory grid for item placement.
*/
void Inventory::drawGrid()
{
_grid->clear();
Text text = Text(80, 9, 0, 0);
text.setPalette(_grid->getPalette());
text.initText(_game->getMod()->getFont("FONT_BIG"), _game->getMod()->getFont("FONT_SMALL"), _game->getLanguage());
RuleInterface *rule = _game->getMod()->getInterface("inventory");
text.setColor(rule->getElement("textSlots")->color);
text.setHighContrast(true);
Uint8 color = rule->getElement("grid")->color;
for (std::map<std::string, RuleInventory*>::iterator i = _game->getMod()->getInventories()->begin(); i != _game->getMod()->getInventories()->end(); ++i)
{
// Draw grid
if (i->second->getType() == INV_SLOT)
{
for (std::vector<RuleSlot>::iterator j = i->second->getSlots()->begin(); j != i->second->getSlots()->end(); ++j)
{
SDL_Rect r;
r.x = i->second->getX() + RuleInventory::SLOT_W * j->x;
r.y = i->second->getY() + RuleInventory::SLOT_H * j->y;
r.w = RuleInventory::SLOT_W + 1;
r.h = RuleInventory::SLOT_H + 1;
_grid->drawRect(&r, color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_grid->drawRect(&r, 0);
}
}
else if (i->second->getType() == INV_HAND)
{
SDL_Rect r;
r.x = i->second->getX();
r.y = i->second->getY();
r.w = RuleInventory::HAND_W * RuleInventory::SLOT_W;
r.h = RuleInventory::HAND_H * RuleInventory::SLOT_H;
_grid->drawRect(&r, color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_grid->drawRect(&r, 0);
}
else if (i->second->getType() == INV_GROUND)
{
for (int x = i->second->getX(); x <= 320; x += RuleInventory::SLOT_W)
{
for (int y = i->second->getY(); y <= 200; y += RuleInventory::SLOT_H)
{
SDL_Rect r;
r.x = x;
r.y = y;
r.w = RuleInventory::SLOT_W + 1;
r.h = RuleInventory::SLOT_H + 1;
_grid->drawRect(&r, color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_grid->drawRect(&r, 0);
}
}
}
// Draw label
text.setX(i->second->getX());
text.setY(i->second->getY() - text.getFont()->getHeight() - text.getFont()->getSpacing());
text.setText(_game->getLanguage()->getString(i->second->getId()));
text.blit(_grid);
}
}
/**
* Draws the items contained in the soldier's inventory.
*/
void Inventory::drawItems()
{
_items->clear();
_grenadeIndicators.clear();
Uint8 color = _game->getMod()->getInterface("inventory")->getElement("numStack")->color;
if (_selUnit != 0)
{
SurfaceSet *texture = _game->getMod()->getSurfaceSet("BIGOBS.PCK");
// Soldier items
for (std::vector<BattleItem*>::iterator i = _selUnit->getInventory()->begin(); i != _selUnit->getInventory()->end(); ++i)
{
if ((*i) == _selItem)
continue;
Surface *frame = texture->getFrame((*i)->getRules()->getBigSprite());
if ((*i)->getSlot()->getType() == INV_SLOT)
{
frame->setX((*i)->getSlot()->getX() + (*i)->getSlotX() * RuleInventory::SLOT_W);
frame->setY((*i)->getSlot()->getY() + (*i)->getSlotY() * RuleInventory::SLOT_H);
}
else if ((*i)->getSlot()->getType() == INV_HAND)
{
frame->setX((*i)->getSlot()->getX() + (RuleInventory::HAND_W - (*i)->getRules()->getInventoryWidth()) * RuleInventory::SLOT_W/2);
frame->setY((*i)->getSlot()->getY() + (RuleInventory::HAND_H - (*i)->getRules()->getInventoryHeight()) * RuleInventory::SLOT_H/2);
}
texture->getFrame((*i)->getRules()->getBigSprite())->blit(_items);
// grenade primer indicators
if ((*i)->getFuseTimer() >= 0)
{
_grenadeIndicators.push_back(std::make_pair(frame->getX(), frame->getY()));
}
}
Surface *stackLayer = new Surface(getWidth(), getHeight(), 0, 0);
stackLayer->setPalette(getPalette());
// Ground items
for (std::vector<BattleItem*>::iterator i = _selUnit->getTile()->getInventory()->begin(); i != _selUnit->getTile()->getInventory()->end(); ++i)
{
Surface *frame = texture->getFrame((*i)->getRules()->getBigSprite());
// note that you can make items invisible by setting their width or height to 0 (for example used with tank corpse items)
if ((*i) == _selItem || (*i)->getSlotX() < _groundOffset || (*i)->getRules()->getInventoryHeight() == 0 || (*i)->getRules()->getInventoryWidth() == 0 || !frame)
continue;
frame->setX((*i)->getSlot()->getX() + ((*i)->getSlotX() - _groundOffset) * RuleInventory::SLOT_W);
frame->setY((*i)->getSlot()->getY() + (*i)->getSlotY() * RuleInventory::SLOT_H);
texture->getFrame((*i)->getRules()->getBigSprite())->blit(_items);
// grenade primer indicators
if ((*i)->getFuseTimer() >= 0)
{
_grenadeIndicators.push_back(std::make_pair(frame->getX(), frame->getY()));
}
// item stacking
if (_stackLevel[(*i)->getSlotX()][(*i)->getSlotY()] > 1)
{
_stackNumber->setX(((*i)->getSlot()->getX() + (((*i)->getSlotX() + (*i)->getRules()->getInventoryWidth()) - _groundOffset) * RuleInventory::SLOT_W)-4);
if (_stackLevel[(*i)->getSlotX()][(*i)->getSlotY()] > 9)
{
_stackNumber->setX(_stackNumber->getX()-4);
}
_stackNumber->setY(((*i)->getSlot()->getY() + ((*i)->getSlotY() + (*i)->getRules()->getInventoryHeight()) * RuleInventory::SLOT_H)-6);
_stackNumber->setValue(_stackLevel[(*i)->getSlotX()][(*i)->getSlotY()]);
_stackNumber->draw();
_stackNumber->setColor(color);
_stackNumber->blit(stackLayer);
}
}
stackLayer->blit(_items);
delete stackLayer;
}
}
/**
* Moves an item to a specified slot in the
* selected player's inventory.
* @param item Pointer to battle item.
* @param slot Inventory slot, or NULL if none.
* @param x X position in slot.
* @param y Y position in slot.
*/
void Inventory::moveItem(BattleItem *item, RuleInventory *slot, int x, int y)
{
// Make items vanish (eg. ammo in weapons)
if (slot == 0)
{
if (item->getSlot()->getType() == INV_GROUND)
{
_selUnit->getTile()->removeItem(item);
}
else
{
item->moveToOwner(0);
}
}
else
{
// Handle dropping from/to ground.
if (slot != item->getSlot())
{
if (slot->getType() == INV_GROUND)
{
item->moveToOwner(0);
_selUnit->getTile()->addItem(item, item->getSlot());
if (item->getUnit() && item->getUnit()->getStatus() == STATUS_UNCONSCIOUS)
{
item->getUnit()->setPosition(_selUnit->getPosition());
}
}
else if (item->getSlot() == 0 || item->getSlot()->getType() == INV_GROUND)
{
item->moveToOwner(_selUnit);
_selUnit->getTile()->removeItem(item);
item->setTurnFlag(false);
if (item->getUnit() && item->getUnit()->getStatus() == STATUS_UNCONSCIOUS)
{
item->getUnit()->setPosition(Position(-1,-1,-1));
}
}
}
item->setSlot(slot);
item->setSlotX(x);
item->setSlotY(y);
}
}
/**
* Checks if an item in a certain slot position would
* overlap with any other inventory item.
* @param unit Pointer to current unit.
* @param item Pointer to battle item.
* @param slot Inventory slot, or NULL if none.
* @param x X position in slot.
* @param y Y position in slot.
* @return If there's overlap.
*/
bool Inventory::overlapItems(BattleUnit *unit, BattleItem *item, RuleInventory *slot, int x, int y)
{
if (slot->getType() != INV_GROUND)
{
for (std::vector<BattleItem*>::const_iterator i = unit->getInventory()->begin(); i != unit->getInventory()->end(); ++i)
{
if ((*i)->getSlot() == slot && (*i)->occupiesSlot(x, y, item))
{
return true;
}
}
}
else if (unit->getTile() != 0)
{
for (std::vector<BattleItem*>::const_iterator i = unit->getTile()->getInventory()->begin(); i != unit->getTile()->getInventory()->end(); ++i)
{
if ((*i)->occupiesSlot(x, y, item))
{
return true;
}
}
}
return false;
}
/**
* Gets the inventory slot located in the specified mouse position.
* @param x Mouse X position. Returns the slot's X position.
* @param y Mouse Y position. Returns the slot's Y position.
* @return Slot rules, or NULL if none.
*/
RuleInventory *Inventory::getSlotInPosition(int *x, int *y) const
{
for (std::map<std::string, RuleInventory*>::iterator i = _game->getMod()->getInventories()->begin(); i != _game->getMod()->getInventories()->end(); ++i)
{
if (i->second->checkSlotInPosition(x, y))
{
return i->second;
}
}
return 0;
}
/**
* Returns the item currently grabbed by the player.
* @return Pointer to selected item, or NULL if none.
*/
BattleItem *Inventory::getSelectedItem() const
{
return _selItem;
}
/**
* Changes the item currently grabbed by the player.
* @param item Pointer to selected item, or NULL if none.
*/
void Inventory::setSelectedItem(BattleItem *item)
{
_selItem = (item && !item->getRules()->isFixed()) ? item : 0;
if (_selItem == 0)
{
_selection->clear();
}
else
{
if (_selItem->getSlot()->getType() == INV_GROUND)
{
_stackLevel[_selItem->getSlotX()][_selItem->getSlotY()] -= 1;
}
_selItem->getRules()->drawHandSprite(_game->getMod()->getSurfaceSet("BIGOBS.PCK"), _selection);
}
drawItems();
}
/**
* Returns the item currently under mouse cursor.
* @return Pointer to selected item, or 0 if none.
*/
BattleItem *Inventory::getMouseOverItem() const
{
return _mouseOverItem;
}
/**
* Changes the item currently under mouse cursor.
* @param item Pointer to selected item, or NULL if none.
*/
void Inventory::setMouseOverItem(BattleItem *item)
{
_mouseOverItem = (item && !item->getRules()->isFixed()) ? item : 0;
}
/**
* Handles timers.
*/
void Inventory::think()
{
_warning->think();
_animTimer->think(0,this);
}
/**
* Blits the inventory elements.
* @param surface Pointer to surface to blit onto.
*/
void Inventory::blit(Surface *surface)
{
clear();
_grid->blit(this);
_items->blit(this);
_selection->blit(this);
_warning->blit(this);
Surface::blit(surface);
}
/**
* Moves the selected item.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void Inventory::mouseOver(Action *action, State *state)
{
_selection->setX((int)floor(action->getAbsoluteXMouse()) - _selection->getWidth()/2 - getX());
_selection->setY((int)floor(action->getAbsoluteYMouse()) - _selection->getHeight()/2 - getY());
if (_selUnit == 0)
return;
int x = (int)floor(action->getAbsoluteXMouse()) - getX(),
y = (int)floor(action->getAbsoluteYMouse()) - getY();
RuleInventory *slot = getSlotInPosition(&x, &y);
if (slot != 0)
{
if (slot->getType() == INV_GROUND)
{
x += _groundOffset;
}
BattleItem *item = _selUnit->getItem(slot, x, y);
setMouseOverItem(item);
}
else
{
setMouseOverItem(0);
}
_selection->setX((int)floor(action->getAbsoluteXMouse()) - _selection->getWidth()/2 - getX());
_selection->setY((int)floor(action->getAbsoluteYMouse()) - _selection->getHeight()/2 - getY());
InteractiveSurface::mouseOver(action, state);
}
/**
* Picks up / drops an item.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void Inventory::mouseClick(Action *action, State *state)
{
if (action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
if (_selUnit == 0)
return;
// Pickup item
if (_selItem == 0)
{
int x = (int)floor(action->getAbsoluteXMouse()) - getX(),
y = (int)floor(action->getAbsoluteYMouse()) - getY();
RuleInventory *slot = getSlotInPosition(&x, &y);
if (slot != 0)
{
if (slot->getType() == INV_GROUND)
{
x += _groundOffset;
}
BattleItem *item = _selUnit->getItem(slot, x, y);
if (item != 0)
{
if ((SDL_GetModState() & KMOD_CTRL))
{
RuleInventory *newSlot = _game->getMod()->getInventory("STR_GROUND");
std::string warning = "STR_NOT_ENOUGH_SPACE";
bool placed = false;
if (slot->getType() == INV_GROUND)
{
switch (item->getRules()->getBattleType())
{
case BT_FIREARM:
newSlot = _game->getMod()->getInventory("STR_RIGHT_HAND");
break;
case BT_MINDPROBE:
case BT_PSIAMP:
case BT_MELEE:
case BT_CORPSE:
newSlot = _game->getMod()->getInventory("STR_LEFT_HAND");
break;
default:
if (item->getRules()->getInventoryHeight() > 2)
{
newSlot = _game->getMod()->getInventory("STR_BACK_PACK");
}
else
{
newSlot = _game->getMod()->getInventory("STR_BELT");
}
break;
}
}
if (newSlot->getType() != INV_GROUND)
{
_stackLevel[item->getSlotX()][item->getSlotY()] -= 1;
placed = fitItem(newSlot, item, warning);
if (!placed)
{
for (std::map<std::string, RuleInventory *>::const_iterator wildCard = _game->getMod()->getInventories()->begin(); wildCard != _game->getMod()->getInventories()->end() && !placed; ++wildCard)
{
newSlot = wildCard->second;
if (newSlot->getType() == INV_GROUND)
{
continue;
}
placed = fitItem(newSlot, item, warning);
}
}
if (!placed)
{
_stackLevel[item->getSlotX()][item->getSlotY()] += 1;
}
}
else
{
if (!_tu || _selUnit->spendTimeUnits(item->getSlot()->getCost(newSlot)))
{
placed = true;
moveItem(item, newSlot, 0, 0);
_game->getMod()->getSoundByDepth(_depth, Mod::ITEM_DROP)->play();
arrangeGround(false);
}
else
{
warning = "STR_NOT_ENOUGH_TIME_UNITS";
}
}
if (!placed)
{
_warning->showMessage(_game->getLanguage()->getString(warning));
}
}
else
{
setSelectedItem(item);
if (item->getFuseTimer() >= 0)
{
_warning->showMessage(_game->getLanguage()->getString("STR_GRENADE_IS_ACTIVATED"));
}
}
}
}
}
// Drop item
else
{
int x = _selection->getX() + (RuleInventory::HAND_W - _selItem->getRules()->getInventoryWidth()) * RuleInventory::SLOT_W/2 + RuleInventory::SLOT_W/2,
y = _selection->getY() + (RuleInventory::HAND_H - _selItem->getRules()->getInventoryHeight()) * RuleInventory::SLOT_H/2 + RuleInventory::SLOT_H/2;
RuleInventory *slot = getSlotInPosition(&x, &y);
if (slot != 0)
{
if (slot->getType() == INV_GROUND)
{
x += _groundOffset;
}
BattleItem *item = _selUnit->getItem(slot, x, y);
bool canStack = slot->getType() == INV_GROUND && canBeStacked(item, _selItem);
// Put item in empty slot, or stack it, if possible.
if (item == 0 || item == _selItem || canStack)
{
if (!overlapItems(_selUnit, _selItem, slot, x, y) && slot->fitItemInSlot(_selItem->getRules(), x, y))
{
if (!_tu || _selUnit->spendTimeUnits(_selItem->getSlot()->getCost(slot)))
{
moveItem(_selItem, slot, x, y);
if (slot->getType() == INV_GROUND)
{
_stackLevel[x][y] += 1;
}
setSelectedItem(0);
_game->getMod()->getSoundByDepth(_depth, Mod::ITEM_DROP)->play();
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
else if (canStack)
{
if (!_tu || _selUnit->spendTimeUnits(_selItem->getSlot()->getCost(slot)))
{
moveItem(_selItem, slot, item->getSlotX(), item->getSlotY());
_stackLevel[item->getSlotX()][item->getSlotY()] += 1;
setSelectedItem(0);
_game->getMod()->getSoundByDepth(_depth, Mod::ITEM_DROP)->play();
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
}
// Put item in weapon
else if (!item->getRules()->getCompatibleAmmo()->empty())
{
bool wrong = true;
for (std::vector<std::string>::iterator i = item->getRules()->getCompatibleAmmo()->begin(); i != item->getRules()->getCompatibleAmmo()->end(); ++i)
{
if ((*i) == _selItem->getRules()->getType())
{
wrong = false;
break;
}
}
if (wrong)
{
_warning->showMessage(_game->getLanguage()->getString("STR_WRONG_AMMUNITION_FOR_THIS_WEAPON"));
}
else
{
if (item->getAmmoItem() != 0)
{
_warning->showMessage(_game->getLanguage()->getString("STR_WEAPON_IS_ALREADY_LOADED"));
}
else if (!_tu || _selUnit->spendTimeUnits(15))
{
moveItem(_selItem, 0, 0, 0);
item->setAmmoItem(_selItem);
_selItem->moveToOwner(0);
setSelectedItem(0);
_game->getMod()->getSoundByDepth(_depth, Mod::ITEM_RELOAD)->play();
if (item->getSlot()->getType() == INV_GROUND)
{
arrangeGround(false);
}
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
}
// else swap the item positions?
}
else
{
// try again, using the position of the mouse cursor, not the item (slightly more intuitive for stacking)
x = (int)floor(action->getAbsoluteXMouse()) - getX();
y = (int)floor(action->getAbsoluteYMouse()) - getY();
slot = getSlotInPosition(&x, &y);
if (slot != 0 && slot->getType() == INV_GROUND)
{
x += _groundOffset;
BattleItem *item = _selUnit->getItem(slot, x, y);
if (canBeStacked(item, _selItem))
{
if (!_tu || _selUnit->spendTimeUnits(_selItem->getSlot()->getCost(slot)))
{
moveItem(_selItem, slot, item->getSlotX(), item->getSlotY());
_stackLevel[item->getSlotX()][item->getSlotY()] += 1;
setSelectedItem(0);
_game->getMod()->getSoundByDepth(_depth, Mod::ITEM_DROP)->play();
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
}
}
}
}
else if (action->getDetails()->button.button == SDL_BUTTON_RIGHT)
{
if (_selItem == 0)
{
if (!_base || Options::includePrimeStateInSavedLayout)
{
if (!_tu)
{
int x = (int)floor(action->getAbsoluteXMouse()) - getX(),
y = (int)floor(action->getAbsoluteYMouse()) - getY();
RuleInventory *slot = getSlotInPosition(&x, &y);
if (slot != 0)
{
if (slot->getType() == INV_GROUND)
{
x += _groundOffset;
}
BattleItem *item = _selUnit->getItem(slot, x, y);
if (item != 0)
{
BattleType itemType = item->getRules()->getBattleType();
if (BT_GRENADE == itemType || BT_PROXIMITYGRENADE == itemType)
{
if (item->getFuseTimer() == -1)
{
// Prime that grenade!
if (BT_PROXIMITYGRENADE == itemType)
{
_warning->showMessage(_game->getLanguage()->getString("STR_GRENADE_IS_ACTIVATED"));
item->setFuseTimer(0);
arrangeGround(false);
}
else _game->pushState(new PrimeGrenadeState(0, true, item));
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_GRENADE_IS_DEACTIVATED"));
item->setFuseTimer(-1); // Unprime the grenade
arrangeGround(false);
}
}
}
}
}
else
{
_game->popState(); // Closes the inventory window on right-click (if not in preBattle equip screen!)
}
}
}
else
{
if (_selItem->getSlot()->getType() == INV_GROUND)
{
_stackLevel[_selItem->getSlotX()][_selItem->getSlotY()] += 1;
}
// Return item to original position
setSelectedItem(0);
}
}
InteractiveSurface::mouseClick(action, state);
}
/**
* Unloads the selected weapon, placing the gun
* on the right hand and the ammo on the left hand.
* @return The success of the weapon being unloaded.
*/
bool Inventory::unload()
{
// Must be holding an item
if (_selItem == 0)
{
return false;
}
// Item must be loaded
if (_selItem->getAmmoItem() == 0 && !_selItem->getRules()->getCompatibleAmmo()->empty())
{
_warning->showMessage(_game->getLanguage()->getString("STR_NO_AMMUNITION_LOADED"));
}
if (_selItem->getAmmoItem() == 0 || !_selItem->needsAmmo())
{
return false;
}
// Hands must be free
for (std::vector<BattleItem*>::iterator i = _selUnit->getInventory()->begin(); i != _selUnit->getInventory()->end(); ++i)
{
if ((*i)->getSlot()->getType() == INV_HAND && (*i) != _selItem)
{
_warning->showMessage(_game->getLanguage()->getString("STR_BOTH_HANDS_MUST_BE_EMPTY"));
return false;
}
}
if (!_tu || _selUnit->spendTimeUnits(8))
{
moveItem(_selItem->getAmmoItem(), _game->getMod()->getInventory("STR_LEFT_HAND"), 0, 0);
_selItem->getAmmoItem()->moveToOwner(_selUnit);
moveItem(_selItem, _game->getMod()->getInventory("STR_RIGHT_HAND"), 0, 0);
_selItem->moveToOwner(_selUnit);
_selItem->setAmmoItem(0);
setSelectedItem(0);
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
return false;
}
return true;
}
/**
* Arranges items on the ground for the inventory display.
* Since items on the ground aren't assigned to anyone,
* they don't actually have permanent slot positions.
* @param alterOffset Whether to alter the ground offset.
*/
void Inventory::arrangeGround(bool alterOffset)
{
RuleInventory *ground = _game->getMod()->getInventory("STR_GROUND");
int slotsX = (320 - ground->getX()) / RuleInventory::SLOT_W;
int slotsY = (200 - ground->getY()) / RuleInventory::SLOT_H;
int x = 0;
int y = 0;
bool ok = false;
int xMax = 0;
_stackLevel.clear();
if (_selUnit != 0)
{
// first move all items out of the way - a big number in X direction
for (std::vector<BattleItem*>::iterator i = _selUnit->getTile()->getInventory()->begin(); i != _selUnit->getTile()->getInventory()->end(); ++i)
{
(*i)->setSlot(ground);
(*i)->setSlotX(1000000);
(*i)->setSlotY(0);
}
// now for each item, find the most topleft position that is not occupied and will fit
for (std::vector<BattleItem*>::iterator i = _selUnit->getTile()->getInventory()->begin(); i != _selUnit->getTile()->getInventory()->end(); ++i)
{
x = 0;
y = 0;
ok = false;
while (!ok)
{
ok = true; // assume we can put the item here, if one of the following checks fails, we can't.
for (int xd = 0; xd < (*i)->getRules()->getInventoryWidth() && ok; xd++)
{
if ((x + xd) % slotsX < x % slotsX)
{
ok = false;
}
else
{
for (int yd = 0; yd < (*i)->getRules()->getInventoryHeight() && ok; yd++)
{
BattleItem *item = _selUnit->getItem(ground, x + xd, y + yd);
ok = item == 0;
if (canBeStacked(item, *i))
{
ok = true;
}
}
}
}
if (ok)
{
(*i)->setSlotX(x);
(*i)->setSlotY(y);
// only increase the stack level if the item is actually visible.
if ((*i)->getRules()->getInventoryWidth())
{
_stackLevel[x][y] += 1;
}
xMax = std::max(xMax, x + (*i)->getRules()->getInventoryWidth());
}
else
{
y++;
if (y > slotsY - (*i)->getRules()->getInventoryHeight())
{
y = 0;
x++;
}
}
}
}
}
if (alterOffset)
{
if (xMax >= _groundOffset + slotsX - 1)
{
_groundOffset += slotsX - 1;
}
else
{
_groundOffset = 0;
}
}
drawItems();
}
/**
* Attempts to place the item in the inventory slot.
* @param newSlot Where to place the item.
* @param item Item to be placed.
* @param warning Warning message if item could not be placed.
* @return True, if the item was successfully placed in the inventory.
*/
bool Inventory::fitItem(RuleInventory *newSlot, BattleItem *item, std::string &warning)
{
bool placed = false;
for (int y2 = 0; y2 <= newSlot->getY() / RuleInventory::SLOT_H && !placed; ++y2)
{
for (int x2 = 0; x2 <= newSlot->getX() / RuleInventory::SLOT_W && !placed; ++x2)
{
if (!overlapItems(_selUnit, item, newSlot, x2, y2) && newSlot->fitItemInSlot(item->getRules(), x2, y2))
{
if (!_tu || _selUnit->spendTimeUnits(item->getSlot()->getCost(newSlot)))
{
placed = true;
moveItem(item, newSlot, x2, y2);
_game->getMod()->getSoundByDepth(_depth, Mod::ITEM_DROP)->play();
drawItems();
}
else
{
warning = "STR_NOT_ENOUGH_TIME_UNITS";
}
}
}
}
return placed;
}
/**
* Checks if two items can be stacked on one another.
* @param itemA First item.
* @param itemB Second item.
* @return True, if the items can be stacked on one another.
*/
bool Inventory::canBeStacked(BattleItem *itemA, BattleItem *itemB)
{
//both items actually exist
return (itemA != 0 && itemB != 0 &&
//both items have the same ruleset
itemA->getRules() == itemB->getRules() &&
// either they both have no ammo
((!itemA->getAmmoItem() && !itemB->getAmmoItem()) ||
// or they both have ammo
(itemA->getAmmoItem() && itemB->getAmmoItem() &&
// and the same ammo type
itemA->getAmmoItem()->getRules() == itemB->getAmmoItem()->getRules() &&
// and the same ammo quantity
itemA->getAmmoItem()->getAmmoQuantity() == itemB->getAmmoItem()->getAmmoQuantity())) &&
// and neither is set to explode
itemA->getFuseTimer() == -1 && itemB->getFuseTimer() == -1 &&
// and neither is a corpse or unconscious unit
itemA->getUnit() == 0 && itemB->getUnit() == 0 &&
// and if it's a medkit, it has the same number of charges
itemA->getPainKillerQuantity() == itemB->getPainKillerQuantity() &&