scummvm/engines/chewy/memory.cpp
2022-03-03 18:36:50 -08:00

101 lines
3.1 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/memstream.h"
#include "chewy/memory.h"
#include "chewy/globals.h"
#include "chewy/types.h"
#include "chewy/resource.h"
namespace Chewy {
Memory::Memory() {
file = new Data();
}
Memory::~Memory() {
delete (file);
}
TafInfo *Memory::taf_adr(const char *filename) {
SpriteResource *res = new SpriteResource(filename);
int32 imageCount = res->getChunkCount();
uint32 size = res->getAllSize() + imageCount * 8 + sizeof(TafInfo);
uint32 kgroesse = imageCount * sizeof(byte *);
byte *tmp1 = (byte *)MALLOC(size + PALETTE_SIZE + kgroesse);
TafInfo *tinfo = (TafInfo *)tmp1;
tinfo->_image = (byte **)(tmp1 + sizeof(TafInfo));
tinfo->_palette = tmp1 + size;
tinfo->_count = imageCount;
memcpy(tinfo->_palette, res->getSpritePalette(), PALETTE_SIZE);
byte *imgPtr = tmp1 + sizeof(TafInfo) + kgroesse;
for (int i = 0; i < imageCount; i++) {
tinfo->_image[i] = imgPtr;
imgPtr += res->getSpriteData(i, &tinfo->_image[i], false);
}
tinfo->_correction = (int16 *)(tmp1 + (size + 768l));
memcpy(tinfo->_correction, res->getSpriteCorrectionsTable(), imageCount * 2 * sizeof(int16));
delete res;
return tinfo;
}
TafSeqInfo *Memory::taf_seq_adr(int16 image_start, int16 image_anz) {
TafSeqInfo *ts_info = nullptr;
SpriteResource *res = new SpriteResource(CH_SPZ_FILE);
uint32 size = 0;
for (int16 i = 0; i < image_anz; i++) {
TAFChunk *sprite = res->getSprite(i + image_start);
size += sprite->width * sprite->height;
delete sprite;
}
size += image_anz * sizeof(byte *);
size += image_anz * sizeof(char *);
size += ((uint32)sizeof(TafSeqInfo));
byte *tmp1 = (byte *)MALLOC(size + image_anz * sizeof(byte *));
ts_info = (TafSeqInfo *)tmp1;
ts_info->_count = image_anz;
ts_info->_image = (byte **)(tmp1 + sizeof(TafSeqInfo));
ts_info->_correction = (int16 *)(tmp1 + size);
byte *sp_ptr = tmp1 + (((uint32)sizeof(TafSeqInfo)) + (image_anz * sizeof(char *)));
for (int16 i = 0; i < image_anz; i++) {
ts_info->_image[i] = sp_ptr;
sp_ptr += res->getSpriteData(i + image_start, &ts_info->_image[i], false);
}
uint16 *correctionsTable = res->getSpriteCorrectionsTable() + image_start * 2;
memcpy(ts_info->_correction, correctionsTable, image_anz * 2 * sizeof(int16));
delete res;
return ts_info;
}
} // namespace Chewy