mirror of
https://github.com/libretro/scummvm.git
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144 lines
4.5 KiB
C++
144 lines
4.5 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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*
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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, 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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*/
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#include "common/textconsole.h"
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#include "adl/adl_v2.h"
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#include "adl/graphics.h"
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#include "adl/disk.h"
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namespace Adl {
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#define IDS_HR0_DISK_IMAGE "MISSION.NIB"
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#define IDI_HR0_NUM_ROOMS 43
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#define IDI_HR0_NUM_MESSAGES 142
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#define IDI_HR0_NUM_VARS 40
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#define IDI_HR0_NUM_ITEM_PICS 2
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#define IDI_HR0_NUM_ITEM_OFFSETS 16
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// Messages used outside of scripts
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#define IDI_HR0_MSG_CANT_GO_THERE 110
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#define IDI_HR0_MSG_DONT_UNDERSTAND 112
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#define IDI_HR0_MSG_ITEM_DOESNT_MOVE 114
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#define IDI_HR0_MSG_ITEM_NOT_HERE 115
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#define IDI_HR0_MSG_THANKS_FOR_PLAYING 113
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class HiRes0Engine : public AdlEngine_v2 {
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public:
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HiRes0Engine(OSystem *syst, const AdlGameDescription *gd) :
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AdlEngine_v2(syst, gd) { }
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~HiRes0Engine() { }
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private:
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// AdlEngine
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void init();
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void initGameState();
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};
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void HiRes0Engine::init() {
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_graphics = new Graphics_v2(*_display);
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_disk = new DiskImage();
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if (!_disk->open(IDS_HR0_DISK_IMAGE))
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error("Failed to open disk image '" IDS_HR0_DISK_IMAGE "'");
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_disk->setSectorLimit(13);
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// TODO: all these strings/offsets/etc are the same as hires2
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StreamPtr stream(_disk->createReadStream(0x1f, 0x2, 0x00, 2));
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loadMessages(*stream, IDI_HR0_NUM_MESSAGES);
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// Read parser messages
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stream.reset(_disk->createReadStream(0x1a, 0x1));
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_strings.verbError = readStringAt(*stream, 0x4f);
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_strings.nounError = readStringAt(*stream, 0x8e);
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_strings.enterCommand = readStringAt(*stream, 0xbc);
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// Read time string
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stream.reset(_disk->createReadStream(0x19, 0x7, 0xd7));
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_strings_v2.time = readString(*stream, 0xff);
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// Read line feeds
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stream.reset(_disk->createReadStream(0x19, 0xb, 0xf8, 1));
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_strings.lineFeeds = readString(*stream);
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// Read opcode strings
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stream.reset(_disk->createReadStream(0x1a, 0x6, 0x00, 2));
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_strings_v2.saveInsert = readStringAt(*stream, 0x5f);
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_strings_v2.saveReplace = readStringAt(*stream, 0xe5);
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_strings_v2.restoreInsert = readStringAt(*stream, 0x132);
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_strings_v2.restoreReplace = readStringAt(*stream, 0x1c2);
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_strings.playAgain = readStringAt(*stream, 0x225);
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_strings.pressReturn = readStringAt(*stream, 0x25f);
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_messageIds.cantGoThere = IDI_HR0_MSG_CANT_GO_THERE;
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_messageIds.dontUnderstand = IDI_HR0_MSG_DONT_UNDERSTAND;
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_messageIds.itemDoesntMove = IDI_HR0_MSG_ITEM_DOESNT_MOVE;
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_messageIds.itemNotHere = IDI_HR0_MSG_ITEM_NOT_HERE;
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_messageIds.thanksForPlaying = IDI_HR0_MSG_THANKS_FOR_PLAYING;
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// Load global picture data
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stream.reset(_disk->createReadStream(0x19, 0xa, 0x80, 0));
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loadPictures(*stream);
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// Load item picture data
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stream.reset(_disk->createReadStream(0x1e, 0x9, 0x05));
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loadItemPictures(*stream, IDI_HR0_NUM_ITEM_PICS);
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// Load commands from executable
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stream.reset(_disk->createReadStream(0x1d, 0x7, 0x00, 2));
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readCommands(*stream, _roomCommands);
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stream.reset(_disk->createReadStream(0x1f, 0x7, 0x00, 3));
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readCommands(*stream, _globalCommands);
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// Load dropped item offsets
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stream.reset(_disk->createReadStream(0x1b, 0x4, 0x15));
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loadDroppedItemOffsets(*stream, IDI_HR0_NUM_ITEM_OFFSETS);
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// Load verbs
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stream.reset(_disk->createReadStream(0x19, 0x0, 0x00, 3));
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loadWords(*stream, _verbs, _priVerbs);
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// Load nouns
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stream.reset(_disk->createReadStream(0x22, 0x2, 0x00, 2));
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loadWords(*stream, _nouns, _priNouns);
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}
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void HiRes0Engine::initGameState() {
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_state.vars.resize(IDI_HR0_NUM_VARS);
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StreamPtr stream(_disk->createReadStream(0x21, 0x5, 0x0e, 2));
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loadRooms(*stream, IDI_HR0_NUM_ROOMS);
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stream.reset(_disk->createReadStream(0x21, 0x0));
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loadItems(*stream);
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}
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Engine *HiRes0Engine_create(OSystem *syst, const AdlGameDescription *gd) {
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return new HiRes0Engine(syst, gd);
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}
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} // End of namespace Adl
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