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