diff options
Diffstat (limited to 'engines/kyra/items_v3.cpp')
| -rw-r--r-- | engines/kyra/items_v3.cpp | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/engines/kyra/items_v3.cpp b/engines/kyra/items_v3.cpp index 38359de446..8cb3980356 100644 --- a/engines/kyra/items_v3.cpp +++ b/engines/kyra/items_v3.cpp @@ -42,6 +42,18 @@ void KyraEngine_v3::resetItemList() { resetItem(i); } +void KyraEngine_v3::removeTrashItems() { + debugC(9, kDebugLevelMain, "KyraEngine_v3::removeTrashItems()"); + for (int i = 0; _trashItemList[i] != 0xFF; ++i) { + for (int item = findItem(_trashItemList[i]); item != -1; item = findItem(_trashItemList[i])) { + if (_itemList[item].sceneId != _mainCharacter.sceneId) + resetItem(item); + else + break; + } + } +} + int KyraEngine_v3::findFreeItem() { debugC(9, kDebugLevelMain, "KyraEngine_v3::findFreeItem()"); for (int i = 0; i < 50; ++i) { @@ -60,6 +72,27 @@ int KyraEngine_v3::findItem(uint16 sceneId, uint16 id) { return -1; } +int KyraEngine_v3::findItem(uint16 item) { + debugC(9, kDebugLevelMain, "KyraEngine_v3::findItem(%u)", item); + for (int i = 0; i < 50; ++i) { + if (_itemList[i].id == item) + return i; + } + return -1; +} + +int KyraEngine_v3::countAllItems() { + debugC(9, kDebugLevelMain, "KyraEngine_v3::countAllItems()"); + int count = 0; + + for (int i = 0; i < 50; ++i) { + if (_itemList[i].id != 0xFFFF) + ++count; + } + + return count; +} + int KyraEngine_v3::checkItemCollision(int x, int y) { debugC(9, kDebugLevelMain, "KyraEngine_v3::checkItemCollision(%d, %d)", x, y); int itemIndex = -1; @@ -138,5 +171,242 @@ void KyraEngine_v3::removeHandItem() { _screen->showMouse(); } +bool KyraEngine_v3::dropItem(int unk1, uint16 item, int x, int y, int unk2) { + debugC(9, kDebugLevelMain, "KyraEngine_v3::dropItem(%d, %d, %d, %d, %d)", unk1, item, x, y, unk2); + + if (_handItemSet <= -1) + return false; + + if (processItemDrop(_mainCharacter.sceneId, item, x, y, unk1, unk2)) + return true; + + playSoundEffect(13, 200); + + if (countAllItems() >= 50) { + removeTrashItems(); + if (processItemDrop(_mainCharacter.sceneId, item, x, y, unk1, unk2)) + return true; + + //if (countAllItems() >= 50) + //showMessageFromCCode(14, 0xB3, 0); + } + + if (!_chatText) + playSoundEffect(13, 200); + return false; +} + +bool KyraEngine_v3::processItemDrop(uint16 sceneId, uint16 item, int x, int y, int unk1, int unk2) { + debugC(9, kDebugLevelMain, "KyraEngine_v3::processItemDrop(%d, %d, %d, %d, %d, %d)", sceneId, item, x, y, unk1, unk2); + + int itemPos = checkItemCollision(x, y); + + if (unk1) + itemPos = -1; + + if (itemPos >= 0) { + exchangeMouseItem(itemPos, 1); + return true; + } + + int freeItemSlot = -1; + + if (unk2 != 3) { + for (int i = 0; i < 50; ++i) { + if (_itemList[i].id == 0xFFFF) { + freeItemSlot = i; + break; + } + } + } + + if (freeItemSlot < 0) + return false; + + if (_mainCharacter.sceneId != sceneId) { + _itemList[freeItemSlot].x = x; + _itemList[freeItemSlot].y = y; + _itemList[freeItemSlot].id = item; + _itemList[freeItemSlot].unk8 = 1; + _itemList[freeItemSlot].sceneId = sceneId; + return true; + } + + int itemHeight = _itemBuffer1[item]; + + // no idea why it's '&&' here and not single checks for x and y + if (x == -1 && y == -1) { + x = _rnd.getRandomNumberRng(0x18, 0x128); + y = _rnd.getRandomNumberRng(0x14, 0x87); + } + + int posX = x, posY = y; + int itemX = -1, itemY = -1; + bool needRepositioning = true; + + while (needRepositioning) { + if ((_screen->getDrawLayer(posX, posY) <= 1 && _screen->getDrawLayer2(posX, posY, itemHeight) <= 1 && isDropable(posX, posY)) || posY == 187) { + int posX2 = posX, posX3 = posX; + bool repositioning = true; + + while (repositioning) { + if (isDropable(posX3, posY) && _screen->getDrawLayer2(posX3, posY, itemHeight) < 7 && checkItemCollision(posX3, posY) == -1) { + itemX = posX3; + itemY = posY; + needRepositioning = false; + repositioning = false; + } + + if (isDropable(posX2, posY) && _screen->getDrawLayer2(posX2, posY, itemHeight) < 7 && checkItemCollision(posX2, posY) == -1) { + itemX = posX2; + itemY = posY; + needRepositioning = false; + repositioning = false; + } + + if (repositioning) { + posX3 = MAX(posX3 - 2, 24); + posX2 = MIN(posX2 + 2, 296); + + if (posX3 <= 24 && posX2 >= 296) + repositioning = false; + } + } + } + + if (posY == 187) + needRepositioning = false; + else + posY = MIN(posY + 2, 187); + } + + if (itemX == -1 || itemY == -1) + return false; + + if (unk1 == 3) { + _itemList[freeItemSlot].x = itemX; + _itemList[freeItemSlot].y = itemY; + return true; + } else if (unk1 == 2) { + itemDropDown(x, y, itemX, itemY, freeItemSlot, item, 0); + } + + itemDropDown(x, y, itemX, itemY, freeItemSlot, item, (unk1 == 0) ? 1 : 0); + + if (!unk1 && unk2) { + //int itemStr = 1; + //if (_lang == 1) + // itemStr = getItemCommandStringDrop(item); + //updateCommandLineEx(item+54, itemStr, 0xD6); + } + + return true; +} + +void KyraEngine_v3::itemDropDown(int startX, int startY, int dstX, int dstY, int itemSlot, uint16 item, int remove) { + debugC(9, kDebugLevelMain, "KyraEngine_v2::itemDropDown(%d, %d, %d, %d, %d, %u, %d)", startX, startY, dstX, dstY, itemSlot, item, remove); + if (startX == dstX && startY == dstY) { + _itemList[itemSlot].x = dstX; + _itemList[itemSlot].y = dstY; + _itemList[itemSlot].id = item; + _itemList[itemSlot].sceneId = _mainCharacter.sceneId; + playSoundEffect(0x0C, 0xC8); + addItemToAnimList(itemSlot); + } else { + uint8 *itemShape = getShapePtr(item + 248); + _screen->hideMouse(); + + if (startY <= dstY) { + int speed = 2; + int curY = startY; + int curX = startX - 12; + + backUpGfxRect32x32(curX, curY-16); + while (curY < dstY) { + restoreGfxRect32x32(curX, curY-16); + + curY = MIN(curY + speed, dstY); + ++speed; + + backUpGfxRect32x32(curX, curY-16); + uint32 endDelay = _system->getMillis() + _tickLength; + + _screen->drawShape(0, itemShape, curX, curY-16, 0, 0); + _screen->updateScreen(); + + delayUntil(endDelay); + } + restoreGfxRect32x32(curX, curY-16); + + if (dstX != dstY || (dstY - startY > 16)) { + playSoundEffect(0x11, 0xC8); + speed = MAX(speed, 6); + int speedX = ((dstX - startX) << 4) / speed; + int origSpeed = speed; + speed >>= 1; + + if (dstY - startY <= 8) + speed >>= 1; + + speed = -speed; + + curX = startX << 4; + + int x = 0, y = 0; + while (--origSpeed) { + curY = MIN(curY + speed, dstY); + curX += speedX; + ++speed; + + x = (curX >> 4) - 8; + y = curY - 16; + backUpGfxRect32x32(x, y); + + uint16 endDelay = _system->getMillis() + _tickLength; + _screen->drawShape(0, itemShape, x, y, 0, 0); + _screen->updateScreen(); + + restoreGfxRect32x32(x, y); + + delayUntil(endDelay); + } + + restoreGfxRect32x32(x, y); + } + } + + _itemList[itemSlot].x = dstX; + _itemList[itemSlot].y = dstY; + _itemList[itemSlot].id = item; + _itemList[itemSlot].sceneId = _mainCharacter.sceneId; + playSoundEffect(0x0C, 0xC8); + addItemToAnimList(itemSlot); + _screen->showMouse(); + } + + if (remove) + removeHandItem(); +} + +void KyraEngine_v3::exchangeMouseItem(int itemPos, int runScript) { + debugC(9, kDebugLevelMain, "KyraEngine_v3::exchangeMouseItem(%d, %d)", itemPos, runScript); + //XXX +} + +bool KyraEngine_v3::isDropable(int x, int y) { + debugC(9, kDebugLevelMain, "KyraEngine_v3::isDropable(%d, %d)", x, y); + if (y < 14 || y > 187) + return false; + + x -= 12; + + for (int xpos = x; xpos < x + 24; ++xpos) { + if (_screen->getShapeFlag1(xpos, y) == 0) + return false; + } + + return true; +} + } // end of namespace Kyra |