mirror of
https://github.com/libretro/scummvm.git
synced 2025-02-01 08:23:15 +00:00
43437e6d74
Linked objects implementation (barman) The gameplay is now kind of working and it is possible to play at least the first part of the game svn-id: r29478
389 lines
9.0 KiB
C++
389 lines
9.0 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 "common/file.h"
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#include "cruise/cell.h"
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#include "cruise/cruise_main.h"
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namespace Cruise {
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cellStruct cellHead;
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void resetPtr(cellStruct *ptr) {
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ptr->next = NULL;
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ptr->prev = NULL;
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}
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void freeMessageList(cellStruct *objPtr) {
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/* if (objPtr) {
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if (objPtr->next)
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free(objPtr->next);
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free(objPtr);
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} */
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}
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void loadSavegameDataSub2(Common::File& currentSaveFile) {
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unsigned short int n_chunks;
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int i;
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cellStruct *p;
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cellStruct *t;
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cellHead.next = NULL; // Not in ASM code, but I guess the variable is defaulted
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// to this value in the .exe
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n_chunks = currentSaveFile.readSint16LE();
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p = &cellHead;
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for (i = 0; i < n_chunks; i++) {
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t = (cellStruct *) mallocAndZero(sizeof(cellStruct));
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currentSaveFile.skip(2);
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currentSaveFile.skip(2);
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t->idx = currentSaveFile.readSint16LE();
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t->type = currentSaveFile.readSint16LE();
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t->overlay = currentSaveFile.readSint16LE();
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t->x = currentSaveFile.readSint16LE();
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t->field_C = currentSaveFile.readSint16LE();
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t->spriteIdx = currentSaveFile.readSint16LE();
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t->color = currentSaveFile.readSint16LE();
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t->backgroundPlane = currentSaveFile.readSint16LE();
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t->freeze = currentSaveFile.readSint16LE();
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t->parent = currentSaveFile.readSint16LE();
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t->parentOverlay = currentSaveFile.readSint16LE();
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t->parentType = currentSaveFile.readSint16LE();
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t->followObjectOverlayIdx = currentSaveFile.readSint16LE();
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t->followObjectIdx = currentSaveFile.readSint16LE();
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t->animStart = currentSaveFile.readSint16LE();
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t->animEnd = currentSaveFile.readSint16LE();
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t->animWait = currentSaveFile.readSint16LE();
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t->animStep = currentSaveFile.readSint16LE();
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t->animChange = currentSaveFile.readSint16LE();
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t->animType = currentSaveFile.readSint16LE();
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t->animSignal = currentSaveFile.readSint16LE();
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t->animCounter = currentSaveFile.readSint16LE();
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t->animLoop = currentSaveFile.readSint16LE();
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currentSaveFile.skip(2);
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t->next = NULL;
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p->next = t;
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t->prev = cellHead.prev;
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cellHead.prev = t;
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p = t;
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}
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}
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cellStruct *addCell(cellStruct *pHead, int16 overlayIdx, int16 objIdx, int16 type, int16 backgroundPlane, int16 scriptOverlay, int16 scriptNumber, int16 scriptType) {
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int16 var;
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cellStruct *newElement;
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cellStruct *currentHead = pHead;
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cellStruct *currentHead2;
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cellStruct *currentHead3;
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if (getSingleObjectParam(overlayIdx, objIdx, 2, &var) < 0) {
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return 0;
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}
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currentHead3 = currentHead;
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currentHead2 = currentHead->next;
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while (currentHead2) {
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if (currentHead2->type == 3) {
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break;
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}
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if (currentHead2->type != 5) {
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int16 lvar2;
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getSingleObjectParam(currentHead2->overlay, currentHead2->idx, 2, &lvar2);
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if (lvar2 > var)
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break;
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}
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currentHead3 = currentHead2;
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currentHead2 = currentHead2->next;
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}
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if (currentHead2) {
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if ((currentHead2->overlay == overlayIdx) &&
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(currentHead2->backgroundPlane == backgroundPlane) &&
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(currentHead2->idx == objIdx) &&
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(currentHead2->type == type))
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return NULL;
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}
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currentHead = currentHead2;
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newElement = (cellStruct *) mallocAndZero(sizeof(cellStruct));
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if (!newElement)
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return 0;
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newElement->next = currentHead3->next;
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currentHead3->next = newElement;
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newElement->idx = objIdx;
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newElement->type = type;
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newElement->backgroundPlane = backgroundPlane;
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newElement->overlay = overlayIdx;
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newElement->freeze = 0;
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newElement->parent = scriptNumber;
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newElement->parentOverlay = scriptOverlay;
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newElement->gfxPtr = NULL;
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newElement->followObjectIdx = objIdx;
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newElement->followObjectOverlayIdx = overlayIdx;
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newElement->parentType = scriptType;
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newElement->animStart = 0;
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newElement->animEnd = 0;
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newElement->animWait = 0;
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newElement->animSignal = 0;
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newElement->animCounter = 0;
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newElement->animType = 0;
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newElement->animStep = 0;
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newElement->animLoop = 0;
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if (currentHead) {
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newElement->prev = currentHead->prev;
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currentHead->prev = newElement;
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} else {
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newElement->prev = pHead->prev;
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pHead->prev = newElement;
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}
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return newElement;
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}
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void createTextObject(cellStruct *pObject, int overlayIdx, int messageIdx, int x, int y, int width, int16 color, int backgroundPlane, int parentOvl, int parentIdx) {
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char *ax;
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cellStruct *savePObject = pObject;
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cellStruct *cx;
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cellStruct *pNewElement;
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cellStruct *si = pObject->next;
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cellStruct *var_2;
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while (si) {
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pObject = si;
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si = si->next;
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}
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var_2 = si;
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pNewElement = (cellStruct *) malloc(sizeof(cellStruct));
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pNewElement->next = pObject->next;
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pObject->next = pNewElement;
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pNewElement->idx = messageIdx;
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pNewElement->type = 5;
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pNewElement->backgroundPlane = backgroundPlane;
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pNewElement->overlay = overlayIdx;
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pNewElement->x = x;
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pNewElement->field_C = y;
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pNewElement->spriteIdx = width;
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pNewElement->color = color;
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pNewElement->freeze = 0;
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pNewElement->parent = parentIdx;
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pNewElement->parentOverlay = parentOvl;
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pNewElement->gfxPtr = NULL;
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if (var_2) {
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cx = var_2;
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} else {
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cx = savePObject;
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}
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pNewElement->prev = cx->prev;
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cx->prev = pNewElement;
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ax = getText(messageIdx, overlayIdx);
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if (ax) {
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pNewElement->gfxPtr = renderText(width, (uint8 *) ax);
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}
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}
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void removeCell(cellStruct *objPtr, int ovlNumber, int objectIdx, int objType, int backgroundPlane ) {
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cellStruct *currentObj = objPtr->next;
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cellStruct *previous;
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while (currentObj) {
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if (((currentObj->overlay == ovlNumber) || (ovlNumber == -1)) &&
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((currentObj->idx == objectIdx) || (objectIdx == -1)) &&
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((currentObj->type == objType) || (objType == -1)) &&
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((currentObj->backgroundPlane == backgroundPlane) || (backgroundPlane == -1))) {
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currentObj->type = -1;
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}
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currentObj = currentObj->next;
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}
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previous = objPtr;
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currentObj = objPtr->next;
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while (currentObj) {
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cellStruct *si;
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si = currentObj;
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if (si->type == -1) {
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cellStruct *dx;
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previous->next = si->next;
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dx = si->next;
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if (!si->next) {
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dx = objPtr;
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}
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dx->prev = si->prev;
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// TODO: complelty wrong
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//freeMessageList(si);
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free(si);
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currentObj = dx;
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} else {
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currentObj = si->next;
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previous = si;
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}
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}
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}
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void linkCell(cellStruct *pHead, int ovl, int obj, int type, int ovl2, int obj2) {
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while (pHead) {
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if ((pHead->overlay == ovl) || (ovl == -1)) {
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if ((pHead->idx == obj) || (obj == -1)) {
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if ((pHead->type == type) || (type == -1)) {
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pHead->followObjectIdx = obj2;
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pHead->followObjectOverlayIdx = ovl2;
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}
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}
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}
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pHead = pHead->next;
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}
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}
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void freezeCell(cellStruct * pObject, int overlayIdx, int objIdx, int objType, int backgroundPlane, int oldFreeze, int newFreeze ) {
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while (pObject) {
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if ((pObject->overlay == overlayIdx) || (overlayIdx == -1)) {
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if ((pObject->idx == objIdx) || (objIdx == -1)) {
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if ((pObject->type == objType) || (objType == -1)) {
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if ((pObject->backgroundPlane == backgroundPlane) || (backgroundPlane == -1)) {
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if ((pObject->freeze == oldFreeze) || (oldFreeze == -1)) {
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pObject->freeze = newFreeze;
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}
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}
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}
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}
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}
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pObject = pObject->next;
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}
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}
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void sortCells(int16 param1, int16 param2, cellStruct *objPtr) {
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cellStruct *pl,*pl2,*pl3,*pl4,*plz,*pllast;
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cellStruct prov;
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int16 newz, objz, sobjz;
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pl4 = NULL;
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getSingleObjectParam(param1, param2, 2, &sobjz);
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pl = objPtr;
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prov.next = NULL;
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prov.prev = NULL;
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pl2 = pl->next;
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pllast = NULL;
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plz = objPtr;
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while (pl2) {
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pl3 = pl2->next;
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if ((pl2->overlay == param1) && (pl2->idx == param2)) {// found
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pl->next = pl3;
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if (pl3) {
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pl3->prev = pl2->prev;
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} else {
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objPtr->prev = pl2->prev;
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}
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if (pl4) {
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pl4->prev = pl2;
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} else {
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prov.prev = pl2;
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}
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pl2->prev = NULL;
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pl2->next = prov.next;
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prov.next = pl2;
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if (pllast == NULL) {
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pllast = pl2;
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}
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} else {
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if (pl2->type == 5) {
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newz = 32000;
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} else {
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getSingleObjectParam(pl2->overlay, pl2->idx, 2, &objz);
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newz = objz;
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}
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if (newz < sobjz) {
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plz = pl2;
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}
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pl = pl->next;
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}
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pl2 = pl3;
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}
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if (pllast) {
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pl2 = prov.next;
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pl4 = plz->next;
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plz->next = pl2;
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pllast->next = pl4;
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if(plz != objPtr)
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pl2->prev = plz;
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if(!pl4)
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objPtr->prev = pllast;
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else
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pl4->prev = pllast;
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}
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}
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} // End of namespace Cruise
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