95 lines
2.6 KiB
C++
95 lines
2.6 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 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 "common/endian.h"
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#include "glk/scott/types.h"
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#include "glk/scott/unp64/unp64.h"
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#include "glk/scott/unp64/exo_util.h"
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namespace Glk {
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namespace Scott {
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void scnByteBoiler(UnpStr *unp) {
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byte *mem;
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int q, p;
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if (unp->_idFlag)
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return;
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mem = unp->_mem;
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if (unp->_depAdr == 0) {
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if (u32eq(mem + 0x813, 0xE800F09D) &&
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u32eq(mem + 0x818, 0x014E4CF7)) {
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p = READ_LE_UINT16(&mem[0x811]);
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if (u32eq(mem + p + 1, 0x02D0FAA5)) {
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unp->_depAdr = 0x14e;
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unp->_forced = 0x80b;
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unp->_retAdr = READ_LE_UINT16(&mem[p + 0x5c]);
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unp->_endAdr = READ_LE_UINT16(&mem[p + 0x0e]);
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unp->_endAdr++;
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unp->_fStrAf = 0xfe;
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unp->_idFlag = 1;
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return;
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}
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}
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}
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/* CPX hack */
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if (unp->_depAdr == 0) {
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if (u32eq(mem + 0x80b, 0xA97800A2) &&
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u32eq(mem + 0x815, 0x4C01E6D0)) {
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q = READ_LE_UINT16(&mem[0x819]);
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if (u32eq(mem + q + 3, 0xE800F09D) &&
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u32eq(mem + q + 8, 0x014E4CF7)) {
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p = READ_LE_UINT16(&mem[q + 1]);
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if (u32eq(mem + p + 1, 0x02D0FAA5)) {
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unp->_depAdr = 0x14e;
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unp->_forced = 0x80b;
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unp->_retAdr = READ_LE_UINT16(&mem[p + 0x5c]);
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unp->_endAdr = READ_LE_UINT16(&mem[p + 0x0e]);
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unp->_endAdr++;
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unp->_fStrAf = 0xfe;
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unp->_idFlag = 1;
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return;
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}
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}
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}
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}
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/* SCS hack */
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if (unp->_depAdr == 0) {
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if (u32eq(mem + 0x813, 0xE800F09D) &&
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u32eq(mem + 0x818, 0x01bf4CF7)) {
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p = READ_LE_UINT16(&mem[0x811]);
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if (u32eq(mem + p + 1, 0x02D0FAA5) &&
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u32eq(mem + p + 0xdd, 0x014e4c01)) {
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unp->_depAdr = 0x14e;
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unp->_forced = 0x80b;
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unp->_retAdr = READ_LE_UINT16(&mem[p + 0x5c]);
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unp->_endAdr = READ_LE_UINT16(&mem[p + 0x0e]);
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unp->_endAdr++;
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unp->_fStrAf = 0xfe;
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unp->_idFlag = 1;
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return;
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}
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}
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}
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}
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} // End of namespace Scott
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} // End of namespace Glk
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