mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-23 02:11:38 +00:00
b75c790c7a
- add updateWaterFlasks() - some fixes for mouse pointer positioning in sjis mode - bug fix for tim player svn-id: r31136
491 lines
11 KiB
C++
491 lines
11 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "kyra/kyra_v2.h"
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namespace Kyra {
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int KyraEngine_v2::findFreeItem() {
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for (int i = 0; i < 30; ++i) {
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if (_itemList[i].id == 0xFFFF)
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return i;
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}
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return -1;
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}
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int KyraEngine_v2::countAllItems() {
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int num = 0;
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for (int i = 0; i < 30; ++i) {
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if (_itemList[i].id != 0xFFFF)
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++num;
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}
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return num;
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}
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int KyraEngine_v2::findItem(uint16 sceneId, uint16 id) {
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for (int i = 0; i < 30; ++i) {
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if (_itemList[i].id == id && _itemList[i].sceneId == sceneId)
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return i;
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}
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return -1;
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}
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int KyraEngine_v2::checkItemCollision(int x, int y) {
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int itemPos = -1, yPos = -1;
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for (int i = 0; i < 30; ++i) {
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const Item &curItem = _itemList[i];
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if (curItem.id == 0xFFFF || curItem.sceneId != _mainCharacter.sceneId)
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continue;
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int itemX1 = curItem.x - 8 - 3;
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int itemX2 = curItem.x + 7 + 3;
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if (x < itemX1 || x > itemX2)
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continue;
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int itemY1 = curItem.y - _itemHtDat[curItem.id] - 3;
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int itemY2 = curItem.y + 3;
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if (y < itemY1 || y > itemY2)
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continue;
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if (curItem.y >= yPos) {
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itemPos = i;
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yPos = curItem.y;
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}
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}
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return itemPos;
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}
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void KyraEngine_v2::resetItemList() {
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for (int i = 0; i < 30; ++i) {
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_itemList[i].id = 0xFFFF;
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_itemList[i].sceneId = 0xFFFF;
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_itemList[i].x = 0;
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_itemList[i].y = 0;
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_itemList[i].unk7 = 0;
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}
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}
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void KyraEngine_v2::updateWaterFlasks() {
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for (int i = 22; i < 24; i++) {
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if (_itemInHand == i)
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setHandItem(i - 1);
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for (int ii = 0; ii < 20; ii++) {
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if (_mainCharacter.inventory[ii] == i) {
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_mainCharacter.inventory[ii]--;
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if (ii < 10) {
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clearInventorySlot(ii, 0);
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_screen->drawShape(0, getShapePtr(i + 63), _inventoryX[ii], _inventoryY[ii], 0, 0);
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}
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}
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}
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for (int ii = 0; ii < 30; ii++) {
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if (_itemList[ii].id == i)
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_itemList[ii].id--;
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}
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}
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}
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bool KyraEngine_v2::dropItem(int unk1, uint16 item, int x, int y, int unk2) {
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if (_handItemSet <= -1)
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return false;
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bool success = processItemDrop(_mainCharacter.sceneId, item, x, y, unk1, unk2);
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if (!success) {
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snd_playSoundEffect(0x0d);
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if (countAllItems() >= 30)
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showMessageFromCCode(5, 0x84, 0);
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}
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return success;
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}
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bool KyraEngine_v2::processItemDrop(uint16 sceneId, uint16 item, int x, int y, int unk1, int unk2) {
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int itemPos = checkItemCollision(x, y);
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if (unk1)
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itemPos = -1;
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if (itemPos >= 0) {
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exchangeMouseItem(itemPos);
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return false;
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}
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int freeItemSlot = -1;
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if (unk1 != 3) {
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for (int i = 0; i < 30; ++i) {
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if (_itemList[i].id == 0xFFFF) {
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freeItemSlot = i;
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break;
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}
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}
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}
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if (freeItemSlot == -1)
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return false;
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if (sceneId != _mainCharacter.sceneId) {
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//addToItemList(sceneId, item, freeItemSlot, x, y);
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//return true;
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//XXX
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return false;
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}
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int itemHeight = _itemHtDat[item];
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// no idea why it's '&&' here and not single checks for x and y
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if (x == -1 && y == -1) {
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x = _rnd.getRandomNumberRng(0x10, 0x130);
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y = _rnd.getRandomNumberRng(0x10, 0x87);
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}
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int posX = x, posY = y;
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int itemX = -1, itemY = -1;
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bool needRepositioning = true;
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while (needRepositioning) {
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if ((_screen->getDrawLayer(posX, posY) <= 1 && _screen->getDrawLayer2(posX, posY, itemHeight) <= 1 && isDropable(posX, posY)) || posY == 136) {
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int posX2 = posX, posX3 = posX;
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bool repositioning = true;
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while (repositioning) {
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if (isDropable(posX3, posY) && _screen->getDrawLayer(posX3, posY) < 7 && checkItemCollision(posX3, posY) == -1) {
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itemX = posX3;
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itemY = posY;
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needRepositioning = false;
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repositioning = false;
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}
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if (isDropable(posX2, posY) && _screen->getDrawLayer(posX2, posY) < 7 && checkItemCollision(posX2, posY) == -1) {
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itemX = posX2;
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itemY = posY;
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needRepositioning = false;
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repositioning = false;
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}
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if (repositioning) {
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posX3 = MAX(posX3 - 2, 16);
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posX2 = MIN(posX2 + 2, 304);
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if (posX3 <= 16 && posX2 >= 304)
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repositioning = false;
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}
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}
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}
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if (posY == 136)
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needRepositioning = false;
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else
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posY = MIN(posY + 2, 136);
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}
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if (itemX == -1 || itemY == -1)
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return false;
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if (unk1 == 3) {
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_itemList[freeItemSlot].x = itemX;
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_itemList[freeItemSlot].y = itemY;
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return true;
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} else if (unk1 == 2) {
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itemDropDown(x, y, itemX, itemY, freeItemSlot, item);
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}
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if (!unk1)
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removeHandItem();
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itemDropDown(x, y, itemX, itemY, freeItemSlot, item);
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if (!unk1 && unk2) {
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int itemStr = 3;
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if (_lang == 1)
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itemStr = getItemCommandStringDrop(item);
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updateCommandLineEx(item+54, itemStr, 0xD6);
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}
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return true;
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}
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void KyraEngine_v2::itemDropDown(int startX, int startY, int dstX, int dstY, int itemSlot, uint16 item) {
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uint8 *itemShape = getShapePtr(item + 64);
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if (startX == dstX && startY == dstY) {
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if (_layerFlagTable[_screen->getLayer(dstX, dstY)] && item != 13) {
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updateCharFacing();
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snd_playSoundEffect(0x2d);
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removeHandItem();
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//XXX sub_277FA(getTableString(0xFF, _cCodeBuffer), 1, 0, 0x83, 0xFF);
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} else {
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_itemList[itemSlot].x = dstX;
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_itemList[itemSlot].y = dstY;
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_itemList[itemSlot].id = item;
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_itemList[itemSlot].sceneId = _mainCharacter.sceneId;
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snd_playSoundEffect(0x0c);
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addItemToAnimList(itemSlot);
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}
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} else {
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_screen->hideMouse();
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if (startY <= dstY) {
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int speed = 2;
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int curY = startY;
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int curX = startX - 8;
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backUpGfxRect24x24(curX, curY-16);
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while (curY < dstY) {
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restoreGfxRect24x24(curX, curY-16);
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curY = MIN(curY + speed, dstY);
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++speed;
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backUpGfxRect24x24(curX, curY-16);
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uint32 endDelay = _system->getMillis() + _tickLength;
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_screen->drawShape(0, itemShape, curX, curY-16, 0, 0);
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_screen->updateScreen();
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// XXX: original doesn't update game state while delaying
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// our implementation *could* do it, so maybe check this again
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delayUntil(endDelay);
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}
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if (dstX != dstY || (dstY - startY > 16)) {
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snd_playSoundEffect(0x69);
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speed = MAX(speed, 6);
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int speedX = ((dstX - startX) << 4) / speed;
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int origSpeed = speed;
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speed >>= 1;
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if (dstY - startY <= 8)
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speed >>= 1;
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speed = -speed;
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curX = startX << 4;
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int x = 0, y = 0;
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while (--origSpeed) {
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x = (curX >> 4) - 8;
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y = curY - 16;
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restoreGfxRect24x24(x, y);
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curY = MIN(curY + speed, dstY);
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curX += speedX;
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++speed;
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x = (curX >> 4) - 8;
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y = curY - 16;
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backUpGfxRect24x24(x, y);
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uint16 endDelay = _system->getMillis() + _tickLength;
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_screen->drawShape(0, itemShape, x, y, 0, 0);
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_screen->updateScreen();
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// XXX: original doesn't update game state while delaying
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// our implementation *could* do it, so maybe check this again
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delayUntil(endDelay);
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}
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restoreGfxRect24x24(x, y);
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} else {
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restoreGfxRect24x24(curX, curY-16);
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}
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}
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if (_layerFlagTable[_screen->getLayer(dstX, dstY)] && item != 13) {
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updateCharFacing();
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snd_playSoundEffect(0x2d);
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removeHandItem();
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_screen->showMouse();
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//XXX sub_277FA(getTableString(0xFF, _cCodeBuffer), 1, 0, 0x83, 0xFF);
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} else {
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_itemList[itemSlot].x = dstX;
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_itemList[itemSlot].y = dstY;
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_itemList[itemSlot].id = item;
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_itemList[itemSlot].sceneId = _mainCharacter.sceneId;
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snd_playSoundEffect(0x0c);
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addItemToAnimList(itemSlot);
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_screen->showMouse();
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}
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}
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}
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void KyraEngine_v2::exchangeMouseItem(int itemPos) {
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_screen->hideMouse();
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deleteItemAnimEntry(itemPos);
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int itemId = _itemList[itemPos].id;
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_itemList[itemPos].id = _itemInHand;
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_itemInHand = itemId;
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addItemToAnimList(itemPos);
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snd_playSoundEffect(0x0b);
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setMouseCursor(_itemInHand);
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int str2 = 7;
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if (_lang == 1)
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str2 = getItemCommandStringPickUp(itemId);
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updateCommandLineEx(itemId + 54, str2, 0xD6);
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_screen->showMouse();
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runSceneScript6();
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}
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bool KyraEngine_v2::pickUpItem(int x, int y) {
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int itemPos = checkItemCollision(x, y);
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if (itemPos <= -1)
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return false;
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if (_itemInHand >= 0) {
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exchangeMouseItem(itemPos);
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} else {
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_screen->hideMouse();
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deleteItemAnimEntry(itemPos);
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int itemId = _itemList[itemPos].id;
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_itemList[itemPos].id = 0xFFFF;
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snd_playSoundEffect(0x0b);
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setMouseCursor(itemId);
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int str2 = 7;
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if (_lang == 1)
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str2 = getItemCommandStringPickUp(itemId);
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updateCommandLineEx(itemId + 54, str2, 0xD6);
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_itemInHand = itemId;
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_screen->showMouse();
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runSceneScript6();
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}
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return true;
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}
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bool KyraEngine_v2::isDropable(int x, int y) {
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if (x < 14 || x > 304 || y < 14 || y > 136)
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return false;
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x -= 8;
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y -= 1;
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for (int xpos = x; xpos < x + 16; ++xpos) {
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if (_screen->getShapeFlag1(xpos, y) == 0)
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return false;
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}
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return true;
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}
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int KyraEngine_v2::getItemCommandStringDrop(uint16 item) {
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assert(item < _itemStringMapSize);
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int stringId = _itemStringMap[item];
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static const int dropStringIds[] = {
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0x2D, 0x103, 0x003, 0x106
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};
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assert(stringId < ARRAYSIZE(dropStringIds));
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return dropStringIds[stringId];
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}
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int KyraEngine_v2::getItemCommandStringPickUp(uint16 item) {
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assert(item < _itemStringMapSize);
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int stringId = _itemStringMap[item];
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static const int pickUpStringIds[] = {
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0x02B, 0x102, 0x007, 0x105
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};
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assert(stringId < ARRAYSIZE(pickUpStringIds));
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return pickUpStringIds[stringId];
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}
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int KyraEngine_v2::getItemCommandStringInv(uint16 item) {
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assert(item < _itemStringMapSize);
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int stringId = _itemStringMap[item];
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static const int pickUpStringIds[] = {
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0x02C, 0x104, 0x008, 0x107
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};
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assert(stringId < ARRAYSIZE(pickUpStringIds));
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return pickUpStringIds[stringId];
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}
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void KyraEngine_v2::setMouseCursor(uint16 item) {
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int shape = 0;
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int hotX = 1;
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int hotY = 1;
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if (item != 0xFFFF) {
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hotX = 8;
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hotY = 15;
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shape = item+64;
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}
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_screen->setMouseCursor(hotX, hotY, getShapePtr(shape));
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}
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void KyraEngine_v2::setHandItem(uint16 item) {
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_screen->hideMouse();
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if (item == 0xFFFF) {
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removeHandItem();
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} else {
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setMouseCursor(item);
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_itemInHand = item;
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}
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_screen->showMouse();
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}
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void KyraEngine_v2::removeHandItem() {
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_screen->hideMouse();
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_screen->setMouseCursor(0, 0, _defaultShapeTable[0]);
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_itemInHand = -1;
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_handItemSet = -1;
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_screen->showMouse();
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}
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bool KyraEngine_v2::itemIsFlask(int item) {
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for (int i = 0; _flaskTable[i] != -1; ++i) {
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if (_flaskTable[i] == item)
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return true;
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}
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return false;
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}
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} // end of namespace Kyra
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