mirror of
https://github.com/scummvm/scummvm.git
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GLK: SCOTT: Implement decrunchC64
This commit is contained in:
Avijeet
committed by
Eugene Sandulenko
Eugene Sandulenko
parent
a2ef20d0d7
commit
9f7a9a4493
@@ -252,6 +252,7 @@ MODULE_OBJS := \
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scott/ring_buffer.o \
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scott/saga_draw.o \
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scott/scott.o \
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scott/unp64/unp64.o \
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tads/os_banners.o \
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tads/os_buffer.o \
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tads/os_glk.o \
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@@ -26,6 +26,10 @@
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#include "glk/scott/c64_checksums.h"
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#include "glk/scott/definitions.h"
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#include "glk/scott/disk_image.h"
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#include "glk/scott/game_info.h"
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#include "glk/scott/resource.h"
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#include "glk/scott/saga_draw.h"
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#include "glk/scott/unp64/unp64_interface.h"
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namespace Glk {
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namespace Scott {
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@@ -239,9 +243,85 @@ int detectC64(uint8_t **sf, size_t *extent) {
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return decrunchC64(sf, extent, g_C64Registry[index]);
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}
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int decrunchC64(uint8_t **sf, size_t *extent, C64Rec entry) {
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size_t copyData(size_t dest, size_t source, uint8_t** data, size_t dataSize, size_t bytesToMove) {
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return 0;
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}
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int decrunchC64(uint8_t **sf, size_t *extent, C64Rec record) {
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uint8_t *uncompressed = nullptr;
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_G(_fileLength) = *extent;
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size_t decompressedLength = *extent;
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uncompressed = new uint8_t[0xffff];
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char *switches[3];
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int numSwitches = 0;
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if (record._switches != nullptr) {
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char string[100];
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strcpy(string, record._switches);
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switches[numSwitches] = strtok(string, " ");
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while (switches[numSwitches] != nullptr)
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switches[++numSwitches] = strtok(nullptr, " ");
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}
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size_t result = 0;
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for (int i = 1; i <= record._decompressIterations; i++) {
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/* We only send switches on the iteration specified by parameter */
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if (i == record._parameter && record._switches != nullptr) {
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result = unp64(_G(_entireFile), _G(_fileLength), uncompressed, &decompressedLength, switches, numSwitches);
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} else
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result = unp64(_G(_entireFile), _G(_fileLength), uncompressed, &decompressedLength, nullptr, 0);
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if (result) {
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if (_G(_entireFile) != nullptr)
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delete[] _G(_entireFile);
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_G(_entireFile) = new uint8_t[decompressedLength];
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memcpy(_G(_entireFile), uncompressed, decompressedLength);
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_G(_fileLength) = decompressedLength;
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} else {
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delete[] uncompressed;
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break;
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}
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}
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for (int i = 0; i < NUMGAMES; i++) {
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if (g_games[i]._gameID == record._id) {
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delete _G(_game);
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_G(_game) = &g_games[i];
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break;
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}
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}
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if (_G(_game)->_title == nullptr) {
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error("decrunchC64: Game not found");
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}
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int offset;
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DictionaryType dictype = getId(&offset);
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if (dictype != _G(_game)->_dictionary) {
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error("decrunchC64: Wrong game?");
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}
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if (!tryLoading(*_G(_game), offset, 0)) {
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error("decrunchC64: Game could not be read");
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}
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if (record._copySource != 0) {
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result = copyData(record._copyDest, record._copySource, sf, *extent, record._copySize);
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if (result) {
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*extent = result;
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}
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}
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if (!(_G(_game)->_subType & MYSTERIOUS))
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sagaSetup(record._imgOffset);
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return CURRENT_GAME;
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}
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} // End of namespace Scott
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} // End of namespace Glk
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@@ -0,0 +1,33 @@
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/* 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "glk/scott/unp64/unp64.h"
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#include "glk/scott/types.h"
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namespace Glk {
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namespace Scott {
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int unp64(uint8_t* compressed, size_t length, uint8_t* destinationBuffer, size_t* finalLength, char* settings[], int numSettings) {
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return 0;
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}
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} // End of namespace Scott
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} // End of namespace Glk
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@@ -0,0 +1,32 @@
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/* 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GLK_SCOTT_UNP64_H
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#define GLK_SCOTT_UNP64_H
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namespace Glk {
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namespace Scott {
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} // End of namespace Scott
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} // End of namespace Glk
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#endif
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@@ -0,0 +1,35 @@
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/* 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GLK_SCOTT_UNP64_INTERFACE_H
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#define GLK_SCOTT_UNP64_INTERFACE_H
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#include "glk/scott/types.h"
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namespace Glk {
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namespace Scott {
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int unp64(uint8_t *compressed, size_t length, uint8_t *destinationBuffer, size_t *finalLength, char *settings[], int numSettings);
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} // End of namespace Scott
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} // End of namespace Glk
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#endif
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