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Diffstat (limited to 'engines/zvision/inventory_manager.cpp')
-rw-r--r-- | engines/zvision/inventory_manager.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/engines/zvision/inventory_manager.cpp b/engines/zvision/inventory_manager.cpp new file mode 100644 index 0000000000..3924c6b51a --- /dev/null +++ b/engines/zvision/inventory_manager.cpp @@ -0,0 +1,123 @@ +/* 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 |