scummvm/engines/cruise/cell.cpp
Vincent Hamm 37d8bed89b Fix cell sorting
Fix palette loading

svn-id: r29985
2007-12-25 16:37:12 +00:00

436 lines
10 KiB
C++

/* 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.
*
* $URL$
* $Id$
*
*/
#include "cruise/cruise_main.h"
#include "common/file.h"
#include "cruise/cell.h"
namespace Cruise {
cellStruct cellHead;
void resetPtr(cellStruct *ptr) {
ptr->next = NULL;
ptr->prev = NULL;
}
void freeMessageList(cellStruct *objPtr) {
/* if (objPtr) {
if (objPtr->next)
free(objPtr->next);
free(objPtr);
} */
}
void saveCell(Common::OutSaveFile& currentSaveFile) {
int count = 0;
cellStruct *t = cellHead.next;
while(t) {
count++;
t = t->next;
}
currentSaveFile.writeSint16LE(count);
t = cellHead.next;
while(t) {
char dummy[2] = { 0, 0};
currentSaveFile.write(dummy, 2);
currentSaveFile.write(dummy, 2);
currentSaveFile.writeSint16LE(t->idx);
currentSaveFile.writeSint16LE(t->type);
currentSaveFile.writeSint16LE(t->overlay);
currentSaveFile.writeSint16LE(t->x);
currentSaveFile.writeSint16LE(t->field_C);
currentSaveFile.writeSint16LE(t->spriteIdx);
currentSaveFile.writeSint16LE(t->color);
currentSaveFile.writeSint16LE(t->backgroundPlane);
currentSaveFile.writeSint16LE(t->freeze);
currentSaveFile.writeSint16LE(t->parent);
currentSaveFile.writeSint16LE(t->parentOverlay);
currentSaveFile.writeSint16LE(t->parentType);
currentSaveFile.writeSint16LE(t->followObjectOverlayIdx);
currentSaveFile.writeSint16LE(t->followObjectIdx);
currentSaveFile.writeSint16LE(t->animStart);
currentSaveFile.writeSint16LE(t->animEnd);
currentSaveFile.writeSint16LE(t->animWait);
currentSaveFile.writeSint16LE(t->animStep);
currentSaveFile.writeSint16LE(t->animChange);
currentSaveFile.writeSint16LE(t->animType);
currentSaveFile.writeSint16LE(t->animSignal);
currentSaveFile.writeSint16LE(t->animCounter);
currentSaveFile.writeSint16LE(t->animLoop);
currentSaveFile.write(dummy, 2);
t = t->next;
}
}
void loadSavegameDataSub2(Common::InSaveFile& currentSaveFile) {
unsigned short int n_chunks;
int i;
cellStruct *p;
cellStruct *t;
cellHead.next = NULL; // Not in ASM code, but I guess the variable is defaulted
// to this value in the .exe
n_chunks = currentSaveFile.readSint16LE();
p = &cellHead;
for (i = 0; i < n_chunks; i++) {
t = (cellStruct *) mallocAndZero(sizeof(cellStruct));
currentSaveFile.skip(2);
currentSaveFile.skip(2);
t->idx = currentSaveFile.readSint16LE();
t->type = currentSaveFile.readSint16LE();
t->overlay = currentSaveFile.readSint16LE();
t->x = currentSaveFile.readSint16LE();
t->field_C = currentSaveFile.readSint16LE();
t->spriteIdx = currentSaveFile.readSint16LE();
t->color = currentSaveFile.readSint16LE();
t->backgroundPlane = currentSaveFile.readSint16LE();
t->freeze = currentSaveFile.readSint16LE();
t->parent = currentSaveFile.readSint16LE();
t->parentOverlay = currentSaveFile.readSint16LE();
t->parentType = currentSaveFile.readSint16LE();
t->followObjectOverlayIdx = currentSaveFile.readSint16LE();
t->followObjectIdx = currentSaveFile.readSint16LE();
t->animStart = currentSaveFile.readSint16LE();
t->animEnd = currentSaveFile.readSint16LE();
t->animWait = currentSaveFile.readSint16LE();
t->animStep = currentSaveFile.readSint16LE();
t->animChange = currentSaveFile.readSint16LE();
t->animType = currentSaveFile.readSint16LE();
t->animSignal = currentSaveFile.readSint16LE();
t->animCounter = currentSaveFile.readSint16LE();
t->animLoop = currentSaveFile.readSint16LE();
currentSaveFile.skip(2);
t->next = NULL;
p->next = t;
t->prev = cellHead.prev;
cellHead.prev = t;
p = t;
}
}
cellStruct *addCell(cellStruct *pHead, int16 overlayIdx, int16 objIdx, int16 type, int16 backgroundPlane, int16 scriptOverlay, int16 scriptNumber, int16 scriptType) {
int16 var;
cellStruct *newElement;
cellStruct *currentHead = pHead;
cellStruct *currentHead2;
cellStruct *currentHead3;
if (getSingleObjectParam(overlayIdx, objIdx, 2, &var) < 0) {
return 0;
}
currentHead3 = currentHead;
currentHead2 = currentHead->next;
while (currentHead2 && (currentHead2->type != 3)) {
if (currentHead2->type != 5) {
int16 lvar2;
getSingleObjectParam(currentHead2->overlay, currentHead2->idx, 2, &lvar2);
if (lvar2 >= var)
break;
}
currentHead3 = currentHead2;
currentHead2 = currentHead2->next;
}
if (currentHead2) {
if ((currentHead2->overlay == overlayIdx) &&
(currentHead2->backgroundPlane == backgroundPlane) &&
(currentHead2->idx == objIdx) &&
(currentHead2->type == type))
return NULL;
}
currentHead = currentHead2;
newElement = (cellStruct *) mallocAndZero(sizeof(cellStruct));
if (!newElement)
return 0;
newElement->next = currentHead3->next;
currentHead3->next = newElement;
newElement->idx = objIdx;
newElement->type = type;
newElement->backgroundPlane = backgroundPlane;
newElement->overlay = overlayIdx;
newElement->freeze = 0;
newElement->parent = scriptNumber;
newElement->parentOverlay = scriptOverlay;
newElement->gfxPtr = NULL;
newElement->followObjectIdx = objIdx;
newElement->followObjectOverlayIdx = overlayIdx;
newElement->parentType = scriptType;
newElement->animStart = 0;
newElement->animEnd = 0;
newElement->animWait = 0;
newElement->animSignal = 0;
newElement->animCounter = 0;
newElement->animType = 0;
newElement->animStep = 0;
newElement->animLoop = 0;
if (currentHead) {
newElement->prev = currentHead->prev;
currentHead->prev = newElement;
} else {
newElement->prev = pHead->prev;
pHead->prev = newElement;
}
return newElement;
}
void createTextObject(cellStruct *pObject, int overlayIdx, int messageIdx, int x, int y, int width, int16 color, int backgroundPlane, int parentOvl, int parentIdx) {
char *ax;
cellStruct *savePObject = pObject;
cellStruct *cx;
cellStruct *pNewElement;
cellStruct *si = pObject->next;
cellStruct *var_2;
while (si) {
pObject = si;
si = si->next;
}
var_2 = si;
pNewElement = (cellStruct *) malloc(sizeof(cellStruct));
pNewElement->next = pObject->next;
pObject->next = pNewElement;
pNewElement->idx = messageIdx;
pNewElement->type = 5;
pNewElement->backgroundPlane = backgroundPlane;
pNewElement->overlay = overlayIdx;
pNewElement->x = x;
pNewElement->field_C = y;
pNewElement->spriteIdx = width;
pNewElement->color = color;
pNewElement->freeze = 0;
pNewElement->parent = parentIdx;
pNewElement->parentOverlay = parentOvl;
pNewElement->gfxPtr = NULL;
if (var_2) {
cx = var_2;
} else {
cx = savePObject;
}
pNewElement->prev = cx->prev;
cx->prev = pNewElement;
ax = getText(messageIdx, overlayIdx);
if (ax) {
pNewElement->gfxPtr = renderText(width, (uint8 *) ax);
}
}
void removeCell(cellStruct *objPtr, int ovlNumber, int objectIdx, int objType, int backgroundPlane ) {
cellStruct *currentObj = objPtr->next;
cellStruct *previous;
while (currentObj) {
if (((currentObj->overlay == ovlNumber) || (ovlNumber == -1)) &&
((currentObj->idx == objectIdx) || (objectIdx == -1)) &&
((currentObj->type == objType) || (objType == -1)) &&
((currentObj->backgroundPlane == backgroundPlane) || (backgroundPlane == -1))) {
currentObj->type = -1;
}
currentObj = currentObj->next;
}
previous = objPtr;
currentObj = objPtr->next;
while (currentObj) {
cellStruct *si;
si = currentObj;
if (si->type == -1) {
cellStruct *dx;
previous->next = si->next;
dx = si->next;
if (!si->next) {
dx = objPtr;
}
dx->prev = si->prev;
// TODO: complelty wrong
//freeMessageList(si);
free(si);
currentObj = dx;
} else {
currentObj = si->next;
previous = si;
}
}
}
void linkCell(cellStruct *pHead, int ovl, int obj, int type, int ovl2, int obj2) {
while (pHead) {
if ((pHead->overlay == ovl) || (ovl == -1)) {
if ((pHead->idx == obj) || (obj == -1)) {
if ((pHead->type == type) || (type == -1)) {
pHead->followObjectIdx = obj2;
pHead->followObjectOverlayIdx = ovl2;
}
}
}
pHead = pHead->next;
}
}
void freezeCell(cellStruct * pObject, int overlayIdx, int objIdx, int objType, int backgroundPlane, int oldFreeze, int newFreeze ) {
while (pObject) {
if ((pObject->overlay == overlayIdx) || (overlayIdx == -1)) {
if ((pObject->idx == objIdx) || (objIdx == -1)) {
if ((pObject->type == objType) || (objType == -1)) {
if ((pObject->backgroundPlane == backgroundPlane) || (backgroundPlane == -1)) {
if ((pObject->freeze == oldFreeze) || (oldFreeze == -1)) {
pObject->freeze = newFreeze;
}
}
}
}
}
pObject = pObject->next;
}
}
void sortCells(int16 ovlIdx, int16 ovjIdx, cellStruct *objPtr) {
cellStruct *pl,*pl2,*pl3,*pl4,*plz,*pllast;
cellStruct prov;
int16 newz, objz, sobjz;
pl4 = NULL;
getSingleObjectParam(ovlIdx, ovjIdx, 2, &sobjz);
pl = objPtr;
prov.next = NULL;
prov.prev = NULL;
pl2 = pl->next;
pllast = NULL;
plz = objPtr;
while (pl2) {
pl3 = pl2->next;
if ((pl2->overlay == ovlIdx) && (pl2->idx == ovjIdx)) {// found
pl->next = pl3;
if (pl3) {
pl3->prev = pl2->prev;
} else {
objPtr->prev = pl2->prev;
}
pl4 = prov.next;
if (pl4) {
pl4->prev = pl2;
} else {
prov.prev = pl2;
}
pl2->prev = NULL;
pl2->next = prov.next;
prov.next = pl2;
if (pllast == NULL) {
pllast = pl2;
}
} else {
if (pl2->type == 5) {
newz = 32000;
} else {
getSingleObjectParam(pl2->overlay, pl2->idx, 2, &objz);
newz = objz;
}
if (newz < sobjz) {
plz = pl2;
}
pl = pl->next;
}
pl2 = pl3;
}
if (pllast) {
pl2 = prov.next;
pl4 = plz->next;
plz->next = pl2;
pllast->next = pl4;
if(plz != objPtr)
pl2->prev = plz;
if(!pl4)
objPtr->prev = pllast;
else
pl4->prev = pllast;
}
}
} // End of namespace Cruise