scummvm/engines/cruise/backgroundIncrust.cpp

316 lines
8.5 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"
namespace Cruise {
backgroundIncrustStruct backgroundIncrustHead;
void resetBackgroundIncrustList(backgroundIncrustStruct *pHead) {
pHead->next = NULL;
pHead->prev = NULL;
}
// blit background to another one
void addBackgroundIncrustSub1(int fileIdx, int X, int Y, char *ptr2, int16 scale, char *destBuffer, char *dataPtr) {
assert(*dataPtr != 0);
buildPolyModel(X, Y, scale, ptr2, destBuffer, dataPtr);
}
void backupBackground(backgroundIncrustStruct *pIncrust, int X, int Y, int width, int height, uint8* pBackground) {
pIncrust->saveWidth = width;
pIncrust->saveHeight = height;
pIncrust->saveSize = width * height;
pIncrust->savedX = X;
pIncrust->savedY = Y;
pIncrust->ptr = (uint8*)malloc(width * height);
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
pIncrust->ptr[i * width + j] = pBackground[(i+Y) * 320 + j + X];
}
}
}
void restoreBackground(backgroundIncrustStruct *pIncrust) {
if (pIncrust->type != 1)
return;
if (pIncrust->ptr == NULL)
return;
uint8* pBackground = backgroundPtrtable[pIncrust->backgroundIdx];
if (pBackground == NULL)
return;
int X = pIncrust->savedX;
int Y = pIncrust->savedY;
int width = pIncrust->saveWidth;
int height = pIncrust->saveHeight;
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
pBackground[(i+Y)* 320 + j + X] = pIncrust->ptr[i * width + j];
}
}
}
backgroundIncrustStruct *addBackgroundIncrust(int16 overlayIdx, int16 objectIdx, backgroundIncrustStruct *pHead, int16 scriptNumber, int16 scriptOverlay, int16 backgroundIdx, int16 saveBuffer) {
uint8 *backgroundPtr;
uint8 *ptr;
objectParamsQuery params;
backgroundIncrustStruct *newElement;
backgroundIncrustStruct *currentHead;
backgroundIncrustStruct *currentHead2;
getMultipleObjectParam(overlayIdx, objectIdx, &params);
ptr = filesDatabase[params.fileIdx].subData.ptr;
if (!ptr) {
return NULL;
}
if (filesDatabase[params.fileIdx].subData.resourceType != 4 && filesDatabase[params.fileIdx].subData.resourceType != 8) {
return NULL;
}
backgroundPtr = backgroundPtrtable[backgroundIdx];
assert(backgroundPtr != NULL);
currentHead = pHead;
currentHead2 = currentHead->next;
while (currentHead2) {
currentHead = currentHead2;
currentHead2 = currentHead->next;
}
newElement = (backgroundIncrustStruct *)mallocAndZero(sizeof(backgroundIncrustStruct));
if (!newElement)
return NULL;
newElement->next = currentHead->next;
currentHead->next = newElement;
if (!currentHead2) {
currentHead2 = pHead;
}
newElement->prev = currentHead2->prev;
currentHead2->prev = newElement;
newElement->objectIdx = objectIdx;
newElement->type = saveBuffer;
newElement->backgroundIdx = backgroundIdx;
newElement->overlayIdx = overlayIdx;
newElement->scriptNumber = scriptNumber;
newElement->scriptOverlayIdx = scriptOverlay;
newElement->X = params.X;
newElement->Y = params.Y;
newElement->scale = params.scale;
newElement->field_E = params.fileIdx;
newElement->spriteId = filesDatabase[params.fileIdx].subData.index;
newElement->ptr = NULL;
strcpy(newElement->name, filesDatabase[params.fileIdx].subData.name);
if (filesDatabase[params.fileIdx].subData.resourceType == 4) { // sprite
int width = filesDatabase[params.fileIdx].width;
int height = filesDatabase[params.fileIdx].height;
if (saveBuffer == 1) {
backupBackground(newElement, newElement->X, newElement->Y, width, height, backgroundPtr);
}
drawSprite(width, height, NULL, filesDatabase[params.fileIdx].subData.ptr, newElement->Y, newElement->X, backgroundPtr, filesDatabase[params.fileIdx].subData.ptrMask);
} else { // poly
if (saveBuffer == 1) {
int newX;
int newY;
int newScale;
char *newFrame;
int sizeTable[4]; // 0 = left, 1 = right, 2 = bottom, 3 = top
// this function checks if the dataPtr is not 0, else it retrives the data for X, Y, scale and DataPtr again (OLD: mainDrawSub1Sub1)
flipPoly(params.fileIdx, (int16*)filesDatabase[params.fileIdx].subData.ptr, params.scale, &newFrame, newElement->X, newElement->Y, &newX, &newY, &newScale);
// this function fills the sizeTable for the poly (OLD: mainDrawSub1Sub2)
getPolySize(newX, newY, newScale, sizeTable, (unsigned char*)newFrame);
int width = (sizeTable[1] + 2) - (sizeTable[0] - 2) + 1;
int height = sizeTable[3] - sizeTable[2] + 1;
backupBackground(newElement, sizeTable[0] - 2, sizeTable[2], width, height, backgroundPtr);
}
addBackgroundIncrustSub1(params.fileIdx, newElement->X, newElement->Y, NULL, params.scale, (char *)backgroundPtr, (char *)filesDatabase[params.fileIdx].subData.ptr);
}
return newElement;
}
void regenerateBackgroundIncrust(backgroundIncrustStruct *pHead) {
lastAni[0] = 0;
backgroundIncrustStruct* pl = pHead->next;
while (pl) {
backgroundIncrustStruct* pl2 = pl->next;
bool bLoad = false;
int frame = pl->field_E;
//int screen = pl->backgroundIdx;
if ((filesDatabase[frame].subData.ptr == NULL) || (strcmp(pl->name, filesDatabase[frame].subData.name))) {
frame = 257 - 1;
if (loadFile(pl->name, frame, pl->spriteId) >= 0) {
bLoad = true;
} else {
frame = -1;
}
}
if (frame >= -1) {
if (filesDatabase[frame].subData.resourceType == 4) { // sprite
int width = filesDatabase[frame].width;
int height = filesDatabase[frame].height;
drawSprite(width, height, NULL, filesDatabase[frame].subData.ptr, pl->Y, pl->X, backgroundPtrtable[pl->backgroundIdx], filesDatabase[frame].subData.ptrMask);
} else { // poly
addBackgroundIncrustSub1(frame, pl->X, pl->Y, NULL, pl->scale, (char*)backgroundPtrtable[pl->backgroundIdx], (char *)filesDatabase[frame].subData.ptr);
}
}
pl = pl2;
}
lastAni[0] = 0;
}
void freeBackgroundIncrustList(backgroundIncrustStruct *pHead) {
backgroundIncrustStruct *pCurrent = pHead->next;
while (pCurrent) {
backgroundIncrustStruct *pNext = pCurrent->next;
if (pCurrent->ptr)
free(pCurrent->ptr);
free(pCurrent);
pCurrent = pNext;
}
resetBackgroundIncrustList(pHead);
}
void removeBackgroundIncrust(int overlay, int idx, backgroundIncrustStruct * pHead) {
objectParamsQuery params;
int var_4;
int var_6;
backgroundIncrustStruct *pCurrent;
backgroundIncrustStruct *pCurrentHead;
getMultipleObjectParam(overlay, idx, &params);
var_4 = params.X;
var_6 = params.Y;
pCurrent = pHead->next;
while (pCurrent) {
if ((pCurrent->overlayIdx == overlay || overlay == -1) && (pCurrent->objectIdx == idx || idx == -1) && (pCurrent->X == var_4) && (pCurrent->Y == var_6)) {
pCurrent->type = - 1;
}
pCurrent = pCurrent->next;
}
pCurrentHead = pHead;
pCurrent = pHead->next;
while (pCurrent) {
if (pCurrent->type == - 1) {
backgroundIncrustStruct *pNext = pCurrent->next;
backgroundIncrustStruct *bx = pCurrentHead;
backgroundIncrustStruct *cx;
bx->next = pNext;
cx = pNext;
if (!pNext) {
cx = pHead;
}
bx = cx;
bx->prev = pCurrent->next;
if (pCurrent->ptr) {
free(pCurrent->ptr);
}
free(pCurrent);
pCurrent = pNext;
} else {
pCurrentHead = pCurrent;
pCurrent = pCurrent->next;
}
}
}
void unmergeBackgroundIncrust(backgroundIncrustStruct * pHead, int ovl, int idx) {
backgroundIncrustStruct *pl;
backgroundIncrustStruct *pl2;
objectParamsQuery params;
getMultipleObjectParam(ovl, idx, &params);
int x = params.X;
int y = params.Y;
pl = pHead;
pl2 = pl;
pl = pl2->next;
while (pl) {
pl2 = pl;
if ((pl->overlayIdx == ovl) || (ovl == -1))
if ((pl->objectIdx == idx) || (idx == -1))
if ((pl->X == x) && (pl->Y == y))
restoreBackground(pl);
pl = pl2->next;
}
}
} // End of namespace Cruise