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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/scripting/script_manager.h"
namespace ZVision {
int8 ScriptManager::inventoryGetCount() {
return getStateValue(StateKey_Inv_Cnt_Slot);
}
void ScriptManager::inventorySetCount(int8 cnt) {
setStateValue(StateKey_Inv_Cnt_Slot, cnt);
}
int16 ScriptManager::inventoryGetItem(int8 id) {
if (id < 49 && id >= 0)
return getStateValue(StateKey_Inv_1_Slot + id);
return -1;
}
void ScriptManager::inventorySetItem(int8 id, int16 item) {
if (id < 49 && id >= 0)
setStateValue(StateKey_Inv_1_Slot + id, item);
}
void ScriptManager::inventoryAdd(int16 item) {
int8 cnt = inventoryGetCount();
if (cnt < 49) {
bool notExist = true;
if (cnt == 0) {
inventorySetItem(0, 0);
inventorySetCount(1); // we needed empty item for cycle code
cnt = 1;
}
for (int8 cur = 0; cur < cnt; cur++)
if (inventoryGetItem(cur) == item) {
notExist = false;
break;
}
if (notExist) {
for (int8 i = cnt; i > 0; i--)
inventorySetItem(i, inventoryGetItem(i - 1));
inventorySetItem(0, item);
setStateValue(StateKey_InventoryItem, item);
inventorySetCount(cnt + 1);
}
}
}
void ScriptManager::inventoryDrop(int16 item) {
int8 itemCount = inventoryGetCount();
// if items in inventory > 0
if (itemCount != 0) {
int8 index = 0;
// finding needed item
while (index < itemCount) {
if (inventoryGetItem(index) == item)
break;
index++;
}
// if item in the inventory
if (itemCount != index) {
// shift all items left with rewrite founded item
for (int8 v = index; v < itemCount - 1 ; v++)
inventorySetItem(v, inventoryGetItem(v + 1));
// del last item
inventorySetItem(itemCount - 1, 0);
inventorySetCount(inventoryGetCount() - 1);
setStateValue(StateKey_InventoryItem, inventoryGetItem(0));
}
}
}
void ScriptManager::inventoryCycle() {
int8 itemCount = inventoryGetCount();
int8 curItem = inventoryGetItem(0);
if (itemCount > 1) {
for (int8 i = 0; i < itemCount - 1; i++)
inventorySetItem(i, inventoryGetItem(i + 1));
inventorySetItem(itemCount - 1, curItem);
setStateValue(StateKey_InventoryItem, inventoryGetItem(0));
}
}
} // End of namespace ZVision
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