diff options
Diffstat (limited to 'engines/kyra/items_v2.cpp')
| -rw-r--r-- | engines/kyra/items_v2.cpp | 175 |
1 files changed, 174 insertions, 1 deletions
diff --git a/engines/kyra/items_v2.cpp b/engines/kyra/items_v2.cpp index fd4c7a5fab..d6eb05f9fa 100644 --- a/engines/kyra/items_v2.cpp +++ b/engines/kyra/items_v2.cpp @@ -35,7 +35,16 @@ int KyraEngine_v2::findFreeItem() { return -1; } -int KyraEngine_v2::findItem(uint16 sceneId, int id) { +int KyraEngine_v2::countAllItems() { + int num = 0; + for (int i = 0; i < 30; ++i) { + if (_itemList[i].id != 0xFFFF) + ++num; + } + return num; +} + +int KyraEngine_v2::findItem(uint16 sceneId, uint16 id) { for (int i = 0; i < 30; ++i) { if (_itemList[i].id == id && _itemList[i].sceneId == sceneId) return i; @@ -43,6 +52,36 @@ int KyraEngine_v2::findItem(uint16 sceneId, int id) { return -1; } +int KyraEngine_v2::checkItemCollision(int x, int y) { + int itemPos = -1, yPos = -1; + + for (int i = 0; i < 30; ++i) { + const Item &curItem = _itemList[i]; + + if (curItem.id == 0xFFFF || curItem.sceneId != _mainCharacter.sceneId) + continue; + + int itemX1 = curItem.x - 8 - 3; + int itemX2 = curItem.x + 7 + 3; + + if (x < itemX1 || x > itemX2) + continue; + + int itemY1 = curItem.y - _itemHtDat[curItem.id] - 3; + int itemY2 = curItem.y + 3; + + if (y < itemY1 || y > itemY2) + continue; + + if (curItem.y >= yPos) { + itemPos = i; + yPos = curItem.y; + } + } + + return itemPos; +} + void KyraEngine_v2::resetItemList() { for (int i = 0; i < 30; ++i) { _itemList[i].id = 0xFFFF; @@ -53,4 +92,138 @@ void KyraEngine_v2::resetItemList() { } } +bool KyraEngine_v2::dropItem(int unk1, uint16 item, int x, int y, int unk2) { + if (_handItemSet <= -1) + return false; + + bool success = processItemDrop(_mainCharacter.sceneId, item, x, y, unk1, unk2); + if (!success) { + //snd_playSfx(0x0d); + if (countAllItems() >= 30) + showMessageFromCCode(5, 0x84, 0); + } + + return success; +} + +bool KyraEngine_v2::processItemDrop(uint16 sceneId, uint16 item, int x, int y, int unk1, int unk2) { + int itemPos = checkItemCollision(x, y); + + if (unk1) + itemPos = -1; + + if (itemPos >= 0) { + exchangeMouseItem(itemPos); + return false; + } + + //XXX + return false; +} + +void KyraEngine_v2::exchangeMouseItem(int itemPos) { + _screen->hideMouse(); + + deleteItemAnimEntry(itemPos); + + int itemId = _itemList[itemPos].id; + _itemList[itemPos].id = _itemInHand; + _itemInHand = itemId; + + addItemToAnimList(itemPos); + //snd_playSfx(0x0b); + setMouseCursor(_itemInHand); + int str2 = 7; + + if (_lang == 1) + str2 = getItemCommandString(itemId); + + updateCommandLineEx(itemId + 54, str2, 0xD6); + _screen->showMouse(); + + runSceneScript6(); +} + +bool KyraEngine_v2::pickUpItem(int x, int y) { + int itemPos = checkItemCollision(x, y); + + if (itemPos <= -1) + return false; + + if (_itemInHand >= 0) { + exchangeMouseItem(itemPos); + } else { + _screen->hideMouse(); + deleteItemAnimEntry(itemPos); + int itemId = _itemList[itemPos].id; + _itemList[itemPos].id = 0xFFFF; + //snd_playSfx(0x0b); + setMouseCursor(itemId); + int str2 = 7; + + if (_lang == 1) + str2 = getItemCommandString(itemId); + + updateCommandLineEx(itemId + 54, str2, 0xD6); + _itemInHand = itemId; + _screen->showMouse(); + + runSceneScript6(); + } + + return true; +} + +int KyraEngine_v2::getItemCommandString(uint16 item) { + // This is just needed for French version + static const uint8 index[] = { + 2, 2, 0, 0, 2, 2, 2, 0, + 2, 2, 0, 0, 0, 2, 0, 0, + 0, 0, 0, 0, 2, 0, 0, 0, + 0, 1, 0, 2, 2, 2, 2, 0, + 3, 0, 3, 2, 2, 2, 3, 2, + 2, 2, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 2, 0, 0, 0, + 0, 0, 0, 0, 0, 2, 0, 0, + 2, 0, 0, 0, 0, 0, 0, 2, + 2, 0, 0, 0, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 0, + 2, 2, 2, 0, 0, 1, 3, 2, + 2, 2, 2, 2, 2, 0, 0, 0, + 0, 2, 2, 1, 0, 1, 2, 0, + 0, 0, 0, 0, 0, 2, 2, 2, + 2, 2, 2, 2, 0, 2, 2, 2, + 2, 3, 2, 0, 0, 0, 0, 1, + 2, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 2, 2, 0, 0, 0, 0, 0, 2, + 0, 2, 0, 0, 0, 0, 0, 0 + }; + + assert(item < ARRAYSIZE(index)); + + static const int stringId[] = { + 0x02B, 0x102, 0x007, 0x105, 0x02D, 0x103, + 0x003, 0x106, 0x02C, 0x104, 0x008, 0x107 + }; + + assert(index[item] < ARRAYSIZE(index)); + return stringId[index[item]]; +} + +void KyraEngine_v2::setMouseCursor(uint16 item) { + int shape = 0; + int hotX = 1; + int hotY = 1; + + if (item != 0xFFFF) { + hotX = 8; + hotY = 15; + shape = item+64; + } + + _screen->setMouseCursor(hotX, hotY, getShapePtr(shape)); +} + } // end of namespace Kyra |