mirror of
https://github.com/libretro/scummvm.git
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124 lines
3.1 KiB
C++
124 lines
3.1 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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*/
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#include "common/scummsys.h"
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#include "zvision/script_manager.h"
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namespace ZVision {
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int8 ScriptManager::invertory_getCount() {
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return getStateValue(StateKey_Inv_Cnt_Slot);
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}
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void ScriptManager::invertory_setCount(int8 cnt) {
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setStateValue(StateKey_Inv_Cnt_Slot, cnt);
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}
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int16 ScriptManager::invertory_getItem(int8 id) {
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if (id < 49 && id >= 0)
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return getStateValue(StateKey_Inv_1_Slot + id);
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return -1;
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}
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void ScriptManager::invertory_setItem(int8 id, int16 item) {
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if (id < 49 && id >= 0)
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setStateValue(StateKey_Inv_1_Slot + id, item);
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}
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void ScriptManager::invertory_add(int16 item) {
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int8 cnt = invertory_getCount();
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if (cnt < 49) {
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bool not_exist = true;
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if (cnt == 0) {
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invertory_setItem(0, 0);
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invertory_setCount(1); // we needed empty item for cycle code
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cnt = 1;
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}
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for (int8 cur = 0; cur < cnt; cur++)
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if (invertory_getItem(cur) == item) {
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not_exist = false;
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break;
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}
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if (not_exist) {
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for (int8 i = cnt; i > 0; i--)
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invertory_setItem(i, invertory_getItem(i - 1));
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invertory_setItem(0, item);
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setStateValue(StateKey_InventoryItem, item);
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invertory_setCount(cnt + 1);
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}
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}
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}
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void ScriptManager::invertory_drop(int16 item) {
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int8 items_cnt = invertory_getCount();
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// if items in inventory > 0
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if (items_cnt != 0) {
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int8 index = 0;
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// finding needed item
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while (index < items_cnt) {
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if (invertory_getItem(index) == item)
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break;
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index++;
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}
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// if item in the inventory
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if (items_cnt != index) {
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// shift all items left with rewrite founded item
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for (int8 v = index; v < items_cnt - 1 ; v++)
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invertory_setItem(v, invertory_getItem(v + 1));
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// del last item
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invertory_setItem(items_cnt - 1, 0);
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invertory_setCount(invertory_getCount() - 1);
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setStateValue(StateKey_InventoryItem, invertory_getItem(0));
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}
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}
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}
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void ScriptManager::invertory_cycle() {
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int8 item_cnt = invertory_getCount();
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int8 cur_item = invertory_getItem(0);
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if (item_cnt > 1) {
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for (int8 i = 0; i < item_cnt - 1; i++)
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invertory_setItem(i, invertory_getItem(i + 1));
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invertory_setItem(item_cnt - 1, cur_item);
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setStateValue(StateKey_InventoryItem, invertory_getItem(0));
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}
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}
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} // End of namespace ZVision
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