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https://github.com/libretro/scummvm.git
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696 lines
15 KiB
C++
696 lines
15 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2005 The ScummVM project
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "common/stdafx.h"
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#include "scumm/actor.h"
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#include "scumm/charset.h"
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#include "scumm/intern.h"
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#include "scumm/object.h"
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#include "scumm/scumm.h"
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#include "scumm/util.h"
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#include "scumm/verbs.h"
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namespace Scumm {
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#define OPCODE(x) _OPCODE(ScummEngine_c64, x)
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void ScummEngine_c64::setupOpcodes() {
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static const OpcodeEntryC64 opcodes[256] = {
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/* 00 */
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OPCODE(o5_stopObjectCode),
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OPCODE(o2_putActor),
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OPCODE(o_askDisk),
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OPCODE(o_unknown1),
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/* 04 */
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OPCODE(o_isGreaterEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_getDist),
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OPCODE(o5_getActorRoom),
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/* 08 */
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OPCODE(o_isNotEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_setActorBitVar),
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/* 0C */
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OPCODE(o_loadSound),
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OPCODE(o_printEgo_c64),
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OPCODE(o_putActorAtObject),
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OPCODE(o2_clearState02),
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/* 10 */
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OPCODE(o5_breakHere),
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OPCODE(o_animateActor),
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OPCODE(o2_panCameraTo),
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OPCODE(o_unknown13),
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/* 14 */
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OPCODE(o5_print),
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OPCODE(o2_actorFromPos),
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OPCODE(o5_getRandomNr),
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OPCODE(o2_clearState08),
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/* 18 */
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OPCODE(o_jumpRelative),
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_move),
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OPCODE(o_getActorBitVar),
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/* 1C */
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OPCODE(o5_startSound),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifState04),
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/* 20 */
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OPCODE(o5_stopMusic),
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OPCODE(o2_putActor),
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OPCODE(o5_saveLoadGame),
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OPCODE(o_stopCurrentScript),
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/* 24 */
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OPCODE(o_unknown2),
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OPCODE(o5_loadRoom),
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OPCODE(o_getClosestObjActor),
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OPCODE(o2_getActorY),
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/* 28 */
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OPCODE(o_equalZero),
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OPCODE(o2_setOwnerOf),
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OPCODE(o2_delay),
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OPCODE(o_setActorBitVar),
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/* 2C */
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_putActorInRoom),
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OPCODE(o_print_c64),
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OPCODE(o2_ifState08),
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/* 30 */
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OPCODE(o_loadActor),
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OPCODE(o2_getBitVar),
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OPCODE(o2_setCameraAt),
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OPCODE(o_freezeScript),
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/* 34 */
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OPCODE(o5_getDist),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_walkActorToObject),
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OPCODE(o2_clearState04),
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/* 38 */
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OPCODE(o_isLessEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_subtract),
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OPCODE(o_stopCurrentScript),
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/* 3C */
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OPCODE(o5_stopSound),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifState02),
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/* 40 */
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OPCODE(o2_cutscene),
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OPCODE(o2_putActor),
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OPCODE(o2_startScript),
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OPCODE(o_unknown1),
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/* 44 */
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OPCODE(o_isLess),
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_increment),
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OPCODE(o2_getActorX),
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/* 48 */
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OPCODE(o_isEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_loadRoom),
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OPCODE(o_setActorBitVar),
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/* 4C */
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OPCODE(o_loadScript),
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OPCODE(o_unknown4D),
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OPCODE(o_putActorAtObject),
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OPCODE(o2_clearState02),
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/* 50 */
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OPCODE(o_nop),
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OPCODE(o_animateActor),
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OPCODE(o5_actorFollowCamera),
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OPCODE(o5_startSound),
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/* 54 */
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OPCODE(o5_setObjectName),
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OPCODE(o2_actorFromPos),
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OPCODE(o5_getActorMoving),
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OPCODE(o2_clearState08),
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/* 58 */
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OPCODE(o_beginOverride),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_add),
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OPCODE(o_getActorBitVar),
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/* 5C */
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OPCODE(o5_startSound),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifState04),
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/* 60 */
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OPCODE(o_cursorCommand),
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OPCODE(o2_putActor),
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OPCODE(o2_stopScript),
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OPCODE(o_stopCurrentScript),
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/* 64 */
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OPCODE(o_unknown3),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_getClosestObjActor),
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OPCODE(o5_getActorFacing),
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/* 68 */
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OPCODE(o5_isScriptRunning),
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OPCODE(o2_setOwnerOf),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_setActorBitVar),
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/* 6C */
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_putActorInRoom),
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OPCODE(o2_dummy),
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OPCODE(o2_ifState08),
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/* 70 */
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OPCODE(o_lights),
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OPCODE(o2_getBitVar),
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OPCODE(o_nop),
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OPCODE(o5_getObjectOwner),
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/* 74 */
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OPCODE(o5_getDist),
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OPCODE(o5_printEgo),
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OPCODE(o2_walkActorToObject),
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OPCODE(o2_clearState04),
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/* 78 */
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OPCODE(o_isGreater),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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/* 7C */
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OPCODE(o5_isSoundRunning),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifNotState02),
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/* 80 */
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_putActor),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_unknown1),
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/* 84 */
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OPCODE(o_isGreaterEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_badOpcode),
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OPCODE(o5_getActorRoom),
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/* 88 */
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OPCODE(o_isNotEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_setActorBitVar),
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/* 8C */
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OPCODE(o_loadSound),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_putActorAtObject),
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OPCODE(o2_setState02),
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/* 90 */
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OPCODE(o2_pickupObject),
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OPCODE(o_animateActor),
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OPCODE(o2_panCameraTo),
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OPCODE(o_unknown93),
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/* 94 */
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OPCODE(o5_print),
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OPCODE(o2_actorFromPos),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_setState08),
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/* 98 */
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OPCODE(o2_restart),
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_move),
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OPCODE(o_getActorBitVar),
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/* 9C */
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OPCODE(o5_startSound),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifNotState04),
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/* A0 */
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OPCODE(o5_stopObjectCode),
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OPCODE(o2_putActor),
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OPCODE(o5_saveLoadGame),
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OPCODE(o_stopCurrentScript),
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/* A4 */
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OPCODE(o_unknown2),
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OPCODE(o5_loadRoom),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_getActorY),
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/* A8 */
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OPCODE(o_notEqualZero),
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OPCODE(o2_setOwnerOf),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_setActorBitVar),
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/* AC */
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_putActorInRoom),
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OPCODE(o_print_c64),
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OPCODE(o2_ifNotState08),
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/* B0 */
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OPCODE(o_loadActor),
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OPCODE(o2_getBitVar),
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OPCODE(o2_setCameraAt),
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OPCODE(o_unfreezeScript),
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/* B4 */
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OPCODE(o5_getDist),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_walkActorToObject),
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OPCODE(o2_setState04),
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/* B8 */
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OPCODE(o_isLessEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_subtract),
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OPCODE(o_stopCurrentScript),
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/* BC */
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OPCODE(o5_stopSound),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifNotState02),
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/* C0 */
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OPCODE(o2_endCutscene),
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OPCODE(o2_putActor),
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OPCODE(o2_startScript),
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OPCODE(o_unknown1),
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/* C4 */
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OPCODE(o_isLess),
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_decrement),
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OPCODE(o2_getActorX),
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/* C8 */
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OPCODE(o_isEqual),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_loadRoom),
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OPCODE(o_setActorBitVar),
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/* CC */
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OPCODE(o_loadScript),
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OPCODE(o_unknownCD),
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OPCODE(o_putActorAtObject),
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OPCODE(o2_setState02),
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/* D0 */
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OPCODE(o_nop),
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OPCODE(o_animateActor),
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OPCODE(o5_actorFollowCamera),
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OPCODE(o5_stopSound),
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/* D4 */
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OPCODE(o5_setObjectName),
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OPCODE(o2_actorFromPos),
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OPCODE(o5_getActorMoving),
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OPCODE(o2_setState08),
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/* D8 */
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_add),
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OPCODE(o_getActorBitVar),
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/* DC */
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OPCODE(o5_startSound),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifNotState04),
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/* E0 */
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OPCODE(o_cursorCommand),
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OPCODE(o2_putActor),
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OPCODE(o2_stopScript),
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OPCODE(o_stopCurrentScript),
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/* E4 */
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OPCODE(o_unknown3),
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OPCODE(o2_loadRoomWithEgo),
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_getActorFacing),
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/* E8 */
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OPCODE(o5_isScriptRunning),
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OPCODE(o2_setOwnerOf),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_setActorBitVar),
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/* EC */
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OPCODE(o_stopCurrentScript),
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OPCODE(o5_putActorInRoom),
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OPCODE(o2_dummy),
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OPCODE(o2_ifNotState08),
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/* F0 */
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OPCODE(o_lights),
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OPCODE(o2_getBitVar),
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OPCODE(o_nop),
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OPCODE(o5_getObjectOwner),
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/* F4 */
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OPCODE(o5_getDist),
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OPCODE(o_stopCurrentScript),
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OPCODE(o2_walkActorToObject),
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OPCODE(o2_setState04),
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/* F8 */
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OPCODE(o_isGreater),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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OPCODE(o_stopCurrentScript),
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/* FC */
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OPCODE(o5_isSoundRunning),
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OPCODE(o2_setBitVar),
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OPCODE(o2_walkActorTo),
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OPCODE(o2_ifState02)
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};
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_opcodesC64 = opcodes;
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}
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#define SENTENCE_SCRIPT 2
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#define PARAM_1 0x80
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#define PARAM_2 0x40
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#define PARAM_3 0x20
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void ScummEngine_c64::executeOpcode(byte i) {
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OpcodeProcC64 op = _opcodesC64[i].proc;
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(this->*op) ();
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}
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int ScummEngine_c64::getVarOrDirectWord(byte mask) {
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return getVarOrDirectByte(mask);
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}
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uint ScummEngine_c64::fetchScriptWord() {
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return fetchScriptByte();
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}
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const char *ScummEngine_c64::getOpcodeDesc(byte i) {
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return _opcodesC64[i].desc;
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}
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void ScummEngine_c64::o_stopCurrentScript() {
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int script;
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script = vm.slot[_currentScript].number;
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if (_currentScript != 0 && vm.slot[_currentScript].number == script)
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stopObjectCode();
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else
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stopScript(script);
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}
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void ScummEngine_c64::o_loadSound() {
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int resid = fetchScriptByte();
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ensureResourceLoaded(rtSound, resid);
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}
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void ScummEngine_c64::o_unknown13() {
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debug(0, "o_unknown13 (Actor %d)", fetchScriptByte());
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}
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void ScummEngine_c64::o_loadActor() {
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debug(0, "o_loadActor (%d)", getVarOrDirectByte(PARAM_1));
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}
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void ScummEngine_c64::o_loadRoom() {
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int resid = getVarOrDirectByte(PARAM_1);
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ensureResourceLoaded(rtRoom, resid);
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}
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void ScummEngine_c64::o_unknown4D() {
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debug(0, "o_unknown4D (Actor %d)", fetchScriptByte());
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}
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void ScummEngine_c64::o_loadScript() {
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int resid = getVarOrDirectByte(PARAM_1);
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ensureResourceLoaded(rtScript, resid);
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}
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void ScummEngine_c64::o_cursorCommand() {
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// TODO
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byte state = fetchScriptByte();
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debug(0, "o_cursorCommand(%d)", state);
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if (state >= 1) {
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_userPut = 1;
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_cursor.state = 1;
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} else {
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_userPut = 0;
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_cursor.state = 0;
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}
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}
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void ScummEngine_c64::o_lights() {
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int a;
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a = getVarOrDirectByte(PARAM_1);
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// Convert older light mode values into
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// equivalent values.of later games
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// 0 Darkness
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// 1 Flashlight
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// 2 Lighted area
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if (a == 2)
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VAR(VAR_CURRENT_LIGHTS) = 11;
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else if (a == 1)
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VAR(VAR_CURRENT_LIGHTS) = 4;
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else
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VAR(VAR_CURRENT_LIGHTS) = 0;
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_fullRedraw = true;
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}
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void ScummEngine_c64::o_unknown93() {
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debug(0, "o_unknown93 (Actor %d)", fetchScriptByte());
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}
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void ScummEngine_c64::o_freezeScript() {
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int scr = fetchScriptByte();
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vm.slot[scr].status &= 0x80;
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vm.slot[scr].freezeCount = 1;
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}
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void ScummEngine_c64::o_unfreezeScript() {
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int scr = fetchScriptByte();
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vm.slot[scr].status &= 0x7F;
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vm.slot[scr].freezeCount = 0;
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}
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void ScummEngine_c64::o_animateActor() {
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int act = getVarOrDirectByte(PARAM_1);
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int anim = getVarOrDirectByte(PARAM_2);
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int unk = fetchScriptByte();
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debug(0,"o_animateActor: unk %d", unk);
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Actor *a = derefActor(act, "o_animateActor");
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a->animateActor(anim);
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}
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void ScummEngine_c64::o_putActorAtObject() {
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int obj, x, y;
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Actor *a;
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a = derefActor(getVarOrDirectByte(PARAM_1), "o_putActorAtObject");
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obj = fetchScriptByte();
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if (whereIsObject(obj) != WIO_NOT_FOUND)
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getObjectXYPos(obj, x, y);
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else {
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x = 30;
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y = 60;
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}
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a->putActor(x, y, a->_room);
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}
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void ScummEngine_c64::o_badOpcode() {
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warning("Bad opcode 0x86 encountered");
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}
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void ScummEngine_c64::o_nop() {
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}
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void ScummEngine_c64::o_setActorBitVar() {
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byte var = fetchScriptByte();
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byte a = getVarOrDirectByte(PARAM_1);
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int bit_var = var + a;
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int bit_offset = bit_var & 0x0f;
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bit_var >>= 4;
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//if (getVarOrDirectByte(PARAM_2))
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// _scummVars[bit_var] |= (1 << bit_offset);
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//else
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// _scummVars[bit_var] &= ~(1 << bit_offset);
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warning("STUB: o_setActorBitVar(%d, %d, %d)", a, bit_var, bit_offset);
|
|
}
|
|
|
|
void ScummEngine_c64::o_getActorBitVar() {
|
|
getResultPos();
|
|
byte var = fetchScriptByte();
|
|
byte a = getVarOrDirectByte(PARAM_1);
|
|
|
|
int bit_var = var + a;
|
|
int bit_offset = bit_var & 0x0f;
|
|
bit_var >>= 4;
|
|
|
|
//setResult((_scummVars[bit_var] & (1 << bit_offset)) ? 1 : 0);
|
|
setResult(0);
|
|
warning("STUB: o_getActorBitVar(%d, %d, %d)", a, bit_var, bit_offset);
|
|
}
|
|
|
|
void ScummEngine_c64::o_print_c64() {
|
|
_actorToPrintStrFor = getVarOrDirectByte(PARAM_1);
|
|
decodeParseString();
|
|
warning("STUB: o_print_c64()");
|
|
}
|
|
|
|
void ScummEngine_c64::o_printEgo_c64() {
|
|
_actorToPrintStrFor = (byte)VAR(VAR_EGO);
|
|
decodeParseString();
|
|
warning("STUB: o_printEgo_c64()");
|
|
}
|
|
|
|
void ScummEngine_c64::o_unknown1() {
|
|
byte var1 = fetchScriptByte();
|
|
byte var2 = fetchScriptByte();
|
|
byte var3 = fetchScriptByte();
|
|
warning("STUB: o_unknown1(%d, %d, %d)", var1, var2, var3);
|
|
}
|
|
|
|
void ScummEngine_c64::o_unknown2() {
|
|
byte var1 = fetchScriptByte();
|
|
warning("STUB: o_unknown2(%d)", var1);
|
|
}
|
|
|
|
void ScummEngine_c64::o_unknown3() {
|
|
byte var1 = fetchScriptByte();
|
|
warning("STUB: o_unknown3(%d)", var1);
|
|
}
|
|
|
|
void ScummEngine_c64::o_getClosestObjActor() {
|
|
int obj;
|
|
int act;
|
|
int dist;
|
|
|
|
// This code can't detect any actors farther away than 255 units
|
|
// (pixels in newer games, characters in older ones.) But this is
|
|
// perfectly OK, as it is exactly how the original behaved.
|
|
|
|
int closest_obj = 0xFF, closest_dist = 0xFF;
|
|
|
|
getResultPos();
|
|
|
|
act = getVarOrDirectByte(PARAM_1);
|
|
obj = (_opcode & 0x40) ? 25 : 7;
|
|
|
|
do {
|
|
dist = getObjActToObjActDist(act, obj);
|
|
if (dist < closest_dist) {
|
|
closest_dist = dist;
|
|
closest_obj = obj;
|
|
}
|
|
} while (--obj);
|
|
|
|
setResult(closest_obj);
|
|
}
|
|
|
|
void ScummEngine_c64::o_askDisk() {
|
|
warning("STUB: o_askDisk");
|
|
}
|
|
|
|
void ScummEngine_c64::o_unknownCD() {
|
|
debug(0, "o_unknownCD(%d)", fetchScriptByte());
|
|
}
|
|
|
|
void ScummEngine_c64::o_beginOverride() {
|
|
fetchScriptByte();
|
|
fetchScriptByte();
|
|
fetchScriptByte();
|
|
}
|
|
|
|
void ScummEngine_c64::o_isEqual() {
|
|
int16 a, b;
|
|
int var;
|
|
|
|
var = fetchScriptByte();
|
|
a = readVar(var);
|
|
b = getVarOrDirectByte(PARAM_1);
|
|
|
|
if (b == a)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
|
|
}
|
|
|
|
void ScummEngine_c64::o_isGreater() {
|
|
int16 a = getVar();
|
|
int16 b = getVarOrDirectByte(PARAM_1);
|
|
if (b > a)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_isGreaterEqual() {
|
|
int16 a = getVar();
|
|
int16 b = getVarOrDirectByte(PARAM_1);
|
|
if (b >= a)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_isLess() {
|
|
int16 a = getVar();
|
|
int16 b = getVarOrDirectByte(PARAM_1);
|
|
if (b < a)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_isLessEqual() {
|
|
int16 a = getVar();
|
|
int16 b = getVarOrDirectByte(PARAM_1);
|
|
|
|
if (b <= a)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_isNotEqual() {
|
|
int16 a = getVar();
|
|
int16 b = getVarOrDirectByte(PARAM_1);
|
|
if (b != a)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_notEqualZero() {
|
|
int a = getVar();
|
|
if (a != 0)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_equalZero() {
|
|
int a = getVar();
|
|
if (a == 0)
|
|
ScummEngine::fetchScriptWord();
|
|
else
|
|
o_jumpRelative();
|
|
}
|
|
|
|
void ScummEngine_c64::o_jumpRelative() {
|
|
int16 offset = (int16)ScummEngine::fetchScriptWord();
|
|
_scriptPointer += offset;
|
|
}
|
|
|
|
|
|
|
|
#undef PARAM_1
|
|
#undef PARAM_2
|
|
#undef PARAM_3
|
|
|
|
} // End of namespace Scumm
|