mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 09:49:11 +00:00
567 lines
14 KiB
C++
567 lines
14 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_mr.h"
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#include "kyra/timer.h"
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namespace Kyra {
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void KyraEngine_MR::removeTrashItems() {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::removeTrashItems()");
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for (int i = 0; _trashItemList[i] != 0xFF; ++i) {
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for (int item = findItem(_trashItemList[i]); item != -1; item = findItem(_trashItemList[i])) {
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if (_itemList[item].sceneId != _mainCharacter.sceneId)
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resetItem(item);
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else
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break;
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}
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}
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}
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int KyraEngine_MR::findFreeInventorySlot() {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::findFreeInventorySlot()");
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for (int i = 0; i < 10; ++i) {
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if (_mainCharacter.inventory[i] == 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_MR::checkItemCollision(int x, int y) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::checkItemCollision(%d, %d)", x, y);
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int itemIndex = -1;
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int maxItemY = -1;
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for (int i = 0; i < 50; ++i) {
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if (_itemList[i].id == 0xFFFF || _itemList[i].sceneId != _mainCharacter.sceneId)
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continue;
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const int x1 = _itemList[i].x - 11;
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const int x2 = _itemList[i].x + 10;
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if (x < x1 || x > x2)
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continue;
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const int y1 = _itemList[i].y - _itemBuffer1[_itemList[i].id] - 3;
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const int y2 = _itemList[i].y + 3;
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if (y < y1 || y > y2)
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continue;
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if (_itemList[i].y >= maxItemY) {
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itemIndex = i;
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maxItemY = _itemList[i].y;
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}
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}
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return itemIndex;
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}
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void KyraEngine_MR::setMouseCursor(uint16 item) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::setMouseCursor(%u)", 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 = 12;
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hotY = 19;
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shape = item+248;
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}
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if ((int16)item != _itemInHand)
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_screen->setMouseCursor(hotX, hotY, getShapePtr(shape));
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}
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void KyraEngine_MR::setItemMouseCursor() {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::setItemMouseCursor()");
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_handItemSet = _itemInHand;
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if (_itemInHand == -1)
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_screen->setMouseCursor(0, 0, _gameShapes[0]);
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else
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_screen->setMouseCursor(12, 19, _gameShapes[_itemInHand+248]);
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}
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bool KyraEngine_MR::dropItem(int unk1, uint16 item, int x, int y, int unk2) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::dropItem(%d, %d, %d, %d, %d)", unk1, item, x, y, unk2);
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if (_handItemSet <= -1)
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return false;
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if (processItemDrop(_mainCharacter.sceneId, item, x, y, unk1, unk2))
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return true;
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snd_playSoundEffect(13, 200);
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if (countAllItems() >= 50) {
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removeTrashItems();
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if (processItemDrop(_mainCharacter.sceneId, item, x, y, unk1, unk2))
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return true;
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if (countAllItems() >= 50)
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showMessageFromCCode(14, 0xB3, 0);
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}
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if (!_chatText)
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snd_playSoundEffect(13, 200);
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return false;
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}
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bool KyraEngine_MR::processItemDrop(uint16 sceneId, uint16 item, int x, int y, int unk1, int unk2) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::processItemDrop(%d, %d, %d, %d, %d, %d)", sceneId, item, x, y, unk1, 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, 1);
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return true;
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}
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int freeItemSlot = -1;
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if (unk2 != 3) {
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for (int i = 0; i < 50; ++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 < 0)
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return false;
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if (_mainCharacter.sceneId != sceneId) {
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_itemList[freeItemSlot].x = x;
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_itemList[freeItemSlot].y = y;
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_itemList[freeItemSlot].id = item;
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_itemList[freeItemSlot].sceneId = sceneId;
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return true;
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}
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int itemHeight = _itemBuffer1[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(0x18, 0x128);
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y = _rnd.getRandomNumberRng(0x14, 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 == 187) {
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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->getDrawLayer2(posX3, posY, itemHeight) < 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->getDrawLayer2(posX2, posY, itemHeight) < 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, 24);
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posX2 = MIN(posX2 + 2, 296);
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if (posX3 <= 24 && posX2 >= 296)
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repositioning = false;
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}
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}
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}
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if (posY == 187)
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needRepositioning = false;
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else
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posY = MIN(posY + 2, 187);
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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, 0);
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}
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itemDropDown(x, y, itemX, itemY, freeItemSlot, item, (unk1 == 0) ? 1 : 0);
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if (!unk1 && unk2) {
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int itemStr = 1;
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if (_lang == 1)
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itemStr = getItemCommandStringDrop(item);
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updateItemCommand(item, itemStr, 0xFF);
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}
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return true;
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}
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void KyraEngine_MR::itemDropDown(int startX, int startY, int dstX, int dstY, int itemSlot, uint16 item, int remove) {
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debugC(9, kDebugLevelMain, "KyraEngine_v2::itemDropDown(%d, %d, %d, %d, %d, %u, %d)", startX, startY, dstX, dstY, itemSlot, item, remove);
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if (startX == dstX && startY == dstY) {
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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, 0xC8);
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addItemToAnimList(itemSlot);
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} else {
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uint8 *itemShape = getShapePtr(item + 248);
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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 - 12;
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backUpGfxRect32x32(curX, curY-16);
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while (curY < dstY) {
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restoreGfxRect32x32(curX, curY-16);
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curY = MIN(curY + speed, dstY);
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++speed;
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backUpGfxRect32x32(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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delayUntil(endDelay);
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}
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restoreGfxRect32x32(curX, curY-16);
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if (dstX != dstY || (dstY - startY > 16)) {
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snd_playSoundEffect(0x11, 0xC8);
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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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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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backUpGfxRect32x32(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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restoreGfxRect32x32(x, y);
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delayUntil(endDelay);
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}
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restoreGfxRect32x32(x, y);
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}
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}
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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, 0xC8);
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addItemToAnimList(itemSlot);
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_screen->showMouse();
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}
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if (remove)
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removeHandItem();
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}
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void KyraEngine_MR::exchangeMouseItem(int itemPos, int runScript) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::exchangeMouseItem(%d, %d)", itemPos, runScript);
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if (itemListMagic(_itemInHand, itemPos))
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return;
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if (_itemInHand == 43) {
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removeHandItem();
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return;
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}
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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, 0xC8);
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setMouseCursor(_itemInHand);
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int str2 = 0;
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if (_lang == 1)
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str2 = getItemCommandStringPickUp(itemId);
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updateItemCommand(itemId, str2, 0xFF);
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_screen->showMouse();
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if (runScript)
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runSceneScript6();
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}
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bool KyraEngine_MR::pickUpItem(int x, int y, int runScript) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::pickUpItem(%d, %d, %d)", x, y, runScript);
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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, runScript);
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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, 0xC8);
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setMouseCursor(itemId);
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int itemString = 0;
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if (_lang == 1)
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itemString = getItemCommandStringPickUp(itemId);
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updateItemCommand(itemId, itemString, 0xFF);
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_itemInHand = itemId;
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_screen->showMouse();
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if (runScript)
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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_MR::isDropable(int x, int y) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::isDropable(%d, %d)", x, y);
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if (y < 14 || y > 187)
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return false;
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x -= 12;
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for (int xpos = x; xpos < x + 24; ++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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bool KyraEngine_MR::itemListMagic(int handItem, int itemSlot) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::itemListMagic(%d, %d)", handItem, itemSlot);
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uint16 item = _itemList[itemSlot].id;
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if (_currentChapter == 1 && handItem == 3 && item == 3 && queryGameFlag(0x76)) {
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eelScript();
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return true;
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} else if ((handItem == 6 || handItem == 7) && item == 2) {
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int animObjIndex = -1;
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for (int i = 17; i <= 66; ++i) {
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if (_animObjects[i].shapeIndex2 == 250)
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animObjIndex = i;
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}
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assert(animObjIndex != -1);
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_screen->hideMouse();
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snd_playSoundEffect(0x93, 0xC8);
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for (int i = 109; i <= 141; ++i) {
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_animObjects[animObjIndex].shapeIndex1 = i+248;
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_animObjects[animObjIndex].needRefresh = true;
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delay(1*_tickLength, true);
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}
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deleteItemAnimEntry(itemSlot);
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_itemList[itemSlot].id = 0xFFFF;
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_screen->showMouse();
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return true;
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}
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if (_mainCharacter.sceneId == 51 && queryGameFlag(0x19B) && !queryGameFlag(0x19C)
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&& ((item == 63 && handItem == 56) || (item == 56 && handItem == 63))) {
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if (queryGameFlag(0x1AC)) {
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setGameFlag(0x19C);
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setGameFlag(0x1AD);
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} else {
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setGameFlag(0x1AE);
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}
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_timer->setCountdown(12, 1);
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_timer->enable(12);
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}
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for (int i = 0; _itemMagicTable[i] != 0xFF; i += 4) {
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if (_itemMagicTable[i+0] != handItem || _itemMagicTable[i+1] != item)
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continue;
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uint8 resItem = _itemMagicTable[i+2];
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uint8 newItem = _itemMagicTable[i+3];
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snd_playSoundEffect(0x0F, 0xC8);
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_itemList[itemSlot].id = (resItem == 0xFF) ? 0xFFFF : resItem;
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_screen->hideMouse();
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deleteItemAnimEntry(itemSlot);
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addItemToAnimList(itemSlot);
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if (newItem == 0xFE)
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removeHandItem();
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else if (newItem != 0xFF)
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setHandItem(newItem);
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_screen->showMouse();
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if (_lang != 1)
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updateItemCommand(resItem, 3, 0xFF);
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// Unlike the original we give points for when combining with scene items
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if (resItem == 7) {
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updateScore(35, 100);
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delay(60*_tickLength, true);
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}
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return true;
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}
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return false;
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}
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bool KyraEngine_MR::itemInventoryMagic(int handItem, int invSlot) {
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debugC(9, kDebugLevelMain, "KyraEngine_MR::itemInventoryMagic(%d, %d)", handItem, invSlot);
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uint16 item = _mainCharacter.inventory[invSlot];
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if (_currentChapter == 1 && handItem == 3 && item == 3 && queryGameFlag(0x76)) {
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eelScript();
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return true;
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} else if ((handItem == 6 || handItem == 7) && item == 2) {
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_screen->hideMouse();
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snd_playSoundEffect(0x93, 0xC8);
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for (int i = 109; i <= 141; ++i) {
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_mainCharacter.inventory[invSlot] = i;
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_screen->drawShape(2, getShapePtr(invSlot+422), 0, 144, 0, 0);
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_screen->drawShape(2, getShapePtr(i+248), 0, 144, 0, 0);
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_screen->copyRegion(0, 144, _inventoryX[invSlot], _inventoryY[invSlot], 24, 20, 2, 0, Screen::CR_NO_P_CHECK);
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_screen->updateScreen();
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delay(1*_tickLength, true);
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}
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_mainCharacter.inventory[invSlot] = 0xFFFF;
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clearInventorySlot(invSlot, 0);
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_screen->showMouse();
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return true;
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}
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for (int i = 0; _itemMagicTable[i] != 0xFF; i += 4) {
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if (_itemMagicTable[i+0] != handItem || _itemMagicTable[i+1] != item)
|
|
continue;
|
|
|
|
uint8 resItem = _itemMagicTable[i+2];
|
|
uint8 newItem = _itemMagicTable[i+3];
|
|
|
|
snd_playSoundEffect(0x0F, 0xC8);
|
|
|
|
_mainCharacter.inventory[invSlot] = (resItem == 0xFF) ? 0xFFFF : resItem;
|
|
|
|
_screen->hideMouse();
|
|
clearInventorySlot(invSlot, 0);
|
|
drawInventorySlot(0, resItem, invSlot);
|
|
|
|
if (newItem == 0xFE)
|
|
removeHandItem();
|
|
else if (newItem != 0xFF)
|
|
setHandItem(newItem);
|
|
_screen->showMouse();
|
|
|
|
if (_lang != 1)
|
|
updateItemCommand(resItem, 3, 0xFF);
|
|
|
|
// Unlike the original we give points for every language
|
|
if (resItem == 7) {
|
|
updateScore(35, 100);
|
|
delay(60*_tickLength, true);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
int KyraEngine_MR::getItemCommandStringDrop(uint16 item) {
|
|
debugC(9, kDebugLevelMain, "KyraEngine_MR::getItemCommandStringDrop(%u)", item);
|
|
assert(item < _itemStringMapSize);
|
|
int stringId = _itemStringMap[item];
|
|
return _itemStringDrop[stringId];
|
|
}
|
|
|
|
int KyraEngine_MR::getItemCommandStringPickUp(uint16 item) {
|
|
debugC(9, kDebugLevelMain, "KyraEngine_MR::getItemCommandStringPickUp(%u)", item);
|
|
assert(item < _itemStringMapSize);
|
|
int stringId = _itemStringMap[item];
|
|
return _itemStringPickUp[stringId];
|
|
}
|
|
|
|
int KyraEngine_MR::getItemCommandStringInv(uint16 item) {
|
|
debugC(9, kDebugLevelMain, "KyraEngine_MR::getItemCommandStringInv(%u)", item);
|
|
assert(item < _itemStringMapSize);
|
|
int stringId = _itemStringMap[item];
|
|
return _itemStringInv[stringId];
|
|
}
|
|
|
|
} // end of namespace Kyra
|
|
|