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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#include "zvision/script_manager.h"
namespace ZVision {
int8 ScriptManager::invertory_getCount() {
return getStateValue(StateKey_Inv_Cnt_Slot);
}
void ScriptManager::invertory_setCount(int8 cnt) {
setStateValue(StateKey_Inv_Cnt_Slot, cnt);
}
int16 ScriptManager::invertory_getItem(int8 id) {
if (id < 49 && id >= 0)
return getStateValue(StateKey_Inv_1_Slot + id);
return -1;
}
void ScriptManager::invertory_setItem(int8 id, int16 item) {
if (id < 49 && id >= 0)
setStateValue(StateKey_Inv_1_Slot + id, item);
}
void ScriptManager::invertory_add(int16 item) {
int8 cnt = invertory_getCount();
if (cnt < 49) {
bool not_exist = true;
if (cnt == 0) {
invertory_setItem(0, 0);
invertory_setCount(1); // we needed empty item for cycle code
cnt = 1;
}
for (int8 cur = 0; cur < cnt; cur++)
if (invertory_getItem(cur) == item) {
not_exist = false;
break;
}
if (not_exist) {
for (int8 i = cnt; i > 0; i--)
invertory_setItem(i, invertory_getItem(i - 1));
invertory_setItem(0, item);
setStateValue(StateKey_InventoryItem, item);
invertory_setCount(cnt + 1);
}
}
}
void ScriptManager::invertory_drop(int16 item) {
int8 items_cnt = invertory_getCount();
// if items in inventory > 0
if (items_cnt != 0) {
int8 index = 0;
// finding needed item
while (index < items_cnt) {
if (invertory_getItem(index) == item)
break;
index++;
}
// if item in the inventory
if (items_cnt != index) {
// shift all items left with rewrite founded item
for (int8 v = index; v < items_cnt - 1 ; v++)
invertory_setItem(v, invertory_getItem(v + 1));
// del last item
invertory_setItem(items_cnt - 1, 0);
invertory_setCount(invertory_getCount() - 1);
setStateValue(StateKey_InventoryItem, invertory_getItem(0));
}
}
}
void ScriptManager::invertory_cycle() {
int8 item_cnt = invertory_getCount();
int8 cur_item = invertory_getItem(0);
if (item_cnt > 1) {
for (int8 i = 0; i < item_cnt - 1; i++)
invertory_setItem(i, invertory_getItem(i + 1));
invertory_setItem(item_cnt - 1, cur_item);
setStateValue(StateKey_InventoryItem, invertory_getItem(0));
}
}
} // End of namespace ZVision
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