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Diffstat (limited to 'engines/kyra/graphics/animator_v2.cpp')
| -rw-r--r-- | engines/kyra/graphics/animator_v2.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/engines/kyra/graphics/animator_v2.cpp b/engines/kyra/graphics/animator_v2.cpp new file mode 100644 index 0000000000..a7a8d70962 --- /dev/null +++ b/engines/kyra/graphics/animator_v2.cpp @@ -0,0 +1,187 @@ +/* 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 "kyra/engine/kyra_v2.h" +#include "kyra/graphics/screen_v2.h" + +namespace Kyra { + +void KyraEngine_v2::allocAnimObjects(int actors, int anims, int items) { + _animObjects = new AnimObj[actors + anims + items]; + assert(_animObjects); + + memset(_animObjects, 0, sizeof(AnimObj) * (actors + anims + items)); + + _animActor = _animObjects; + _animAnims = _animObjects + actors; + _animItems = _animObjects + actors + anims; +} + +KyraEngine_v2::AnimObj *KyraEngine_v2::initAnimList(AnimObj *list, AnimObj *entry) { + entry->nextObject = list; + return entry; +} + +KyraEngine_v2::AnimObj *KyraEngine_v2::addToAnimListSorted(AnimObj *list, AnimObj *add) { + add->nextObject = 0; + + if (!list) + return add; + + if (add->yPos1 <= list->yPos1) { + add->nextObject = list; + return add; + } + + AnimObj *cur = list; + AnimObj *prev = list; + while (add->yPos1 > cur->yPos1) { + AnimObj *temp = cur->nextObject; + if (!temp) + break; + prev = cur; + cur = temp; + } + + if (add->yPos1 <= cur->yPos1) { + prev->nextObject = add; + add->nextObject = cur; + } else { + cur->nextObject = add; + add->nextObject = 0; + } + return list; +} + +KyraEngine_v2::AnimObj *KyraEngine_v2::deleteAnimListEntry(AnimObj *list, AnimObj *entry) { + if (!list) + return 0; + + AnimObj *old = 0; + AnimObj *cur = list; + + while (true) { + if (cur == entry) + break; + if (!cur->nextObject) + break; + old = cur; + cur = cur->nextObject; + } + + if (cur != entry) + return list; + + if (cur == list) { + if (!cur->nextObject) + return 0; + cur = cur->nextObject; + return cur; + } + + if (!cur->nextObject) { + if (!old) + return 0; + old->nextObject = 0; + return list; + } + + if (cur != entry) + return list; + + old->nextObject = entry->nextObject; + return list; +} + +void KyraEngine_v2::refreshAnimObjectsIfNeed() { + for (AnimObj *curEntry = _animList; curEntry; curEntry = curEntry->nextObject) { + if (curEntry->enabled && curEntry->needRefresh) { + restorePage3(); + drawAnimObjects(); + refreshAnimObjects(0); + screen()->updateScreen(); + return; + } + } +} + +void KyraEngine_v2::flagAnimObjsForRefresh() { + for (AnimObj *curEntry = _animList; curEntry; curEntry = curEntry->nextObject) + curEntry->needRefresh = 1; +} + +void KyraEngine_v2::flagAnimObjsSpecialRefresh() { + for (AnimObj *curEntry = _animList; curEntry; curEntry = curEntry->nextObject) + curEntry->specialRefresh = 1; +} + +void KyraEngine_v2::addItemToAnimList(int item) { + assert(item >= 0 && item < _itemListSize); + + restorePage3(); + + AnimObj *animObj = _animItems + item; + + animObj->enabled = 1; + animObj->needRefresh = 1; + + int itemId = _itemList[item].id; + + animObj->xPos2 = animObj->xPos1 = _itemList[item].x; + animObj->yPos2 = animObj->yPos1 = _itemList[item].y; + + animObj->shapePtr = getShapePtr(itemId + _desc.itemShapeStart); + animSetupPaletteEntry(animObj); + animObj->shapeIndex2 = animObj->shapeIndex1 = itemId + _desc.itemShapeStart; + + int scaleY, scaleX; + scaleY = scaleX = getScale(animObj->xPos1, animObj->yPos1); + + uint8 *shapePtr = getShapePtr(itemId + _desc.itemShapeStart); + animObj->xPos3 = (animObj->xPos2 -= (screen_v2()->getShapeScaledWidth(shapePtr, scaleX) >> 1)); + animObj->yPos3 = (animObj->yPos2 -= screen_v2()->getShapeScaledHeight(shapePtr, scaleY)); + + animObj->width2 = animObj->height2 = 0; + + _animList = addToAnimListSorted(_animList, animObj); + animObj->needRefresh = 1; +} + +void KyraEngine_v2::deleteItemAnimEntry(int item) { + assert(item < _itemListSize); + + AnimObj *animObj = _animItems + item; + + restorePage3(); + + animObj->shapePtr = 0; + animObj->shapeIndex1 = 0xFFFF; + animObj->shapeIndex2 = 0xFFFF; + animObj->needRefresh = 1; + + refreshAnimObjectsIfNeed(); + + animObj->enabled = 0; + _animList = deleteAnimListEntry(_animList, animObj); +} + +} // End of namespace Kyra |