mirror of
https://github.com/libretro/scummvm.git
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350 lines
7.7 KiB
C++
350 lines
7.7 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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "parallaction/exec.h"
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#include "parallaction/input.h"
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#include "parallaction/parallaction.h"
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#include "parallaction/sound.h"
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namespace Parallaction {
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#define INST_ON 1
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#define INST_OFF 2
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#define INST_X 3
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#define INST_Y 4
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#define INST_Z 5
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#define INST_F 6
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#define INST_LOOP 7
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#define INST_ENDLOOP 8
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#define INST_SHOW 9
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#define INST_INC 10
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#define INST_DEC 11
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#define INST_SET 12
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#define INST_PUT 13
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#define INST_CALL 14
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#define INST_WAIT 15
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#define INST_START 16
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#define INST_SOUND 17
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#define INST_MOVE 18
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#define INST_ENDSCRIPT 19
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#define SetOpcodeTable(x) table = &x;
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typedef Common::Functor1Mem<CommandContext&, void, CommandExec_ns> OpcodeV1;
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#define COMMAND_OPCODE(op) table->push_back(new OpcodeV1(this, &CommandExec_ns::cmdOp_##op))
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#define DECLARE_COMMAND_OPCODE(op) void CommandExec_ns::cmdOp_##op(CommandContext& ctxt)
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typedef Common::Functor1Mem<ProgramContext&, void, ProgramExec_ns> OpcodeV2;
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#define INSTRUCTION_OPCODE(op) table->push_back(new OpcodeV2(this, &ProgramExec_ns::instOp_##op))
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#define DECLARE_INSTRUCTION_OPCODE(op) void ProgramExec_ns::instOp_##op(ProgramContext& ctxt)
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extern const char *_instructionNamesRes_ns[];
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DECLARE_INSTRUCTION_OPCODE(on) {
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InstructionPtr inst = ctxt._inst;
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inst->_a->_flags |= kFlagsActive;
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inst->_a->_flags &= ~kFlagsRemove;
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}
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DECLARE_INSTRUCTION_OPCODE(off) {
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ctxt._inst->_a->_flags |= kFlagsRemove;
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}
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DECLARE_INSTRUCTION_OPCODE(loop) {
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InstructionPtr inst = ctxt._inst;
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ctxt._program->_loopCounter = inst->_opB.getValue();
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ctxt._program->_loopStart = ctxt._ip;
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}
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DECLARE_INSTRUCTION_OPCODE(endloop) {
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if (--ctxt._program->_loopCounter > 0) {
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ctxt._ip = ctxt._program->_loopStart;
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}
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}
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DECLARE_INSTRUCTION_OPCODE(inc) {
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InstructionPtr inst = ctxt._inst;
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int16 _si = inst->_opB.getValue();
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if (inst->_flags & kInstMod) { // mod
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int16 _bx = (_si > 0 ? _si : -_si);
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if (ctxt._modCounter % _bx != 0) return;
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_si = (_si > 0 ? 1 : -1);
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}
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int16 lvalue = inst->_opA.getValue();
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if (inst->_index == INST_INC) {
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lvalue += _si;
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} else {
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lvalue -= _si;
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}
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inst->_opA.setValue(lvalue);
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}
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DECLARE_INSTRUCTION_OPCODE(set) {
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ctxt._inst->_opA.setValue(ctxt._inst->_opB.getValue());
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}
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DECLARE_INSTRUCTION_OPCODE(put) {
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InstructionPtr inst = ctxt._inst;
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Common::Rect r;
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inst->_a->getFrameRect(r);
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Graphics::Surface v18;
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v18.w = r.width();
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v18.h = r.height();
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v18.pixels = inst->_a->getFrameData();
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int16 x = inst->_opA.getValue();
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int16 y = inst->_opB.getValue();
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bool mask = (inst->_flags & kInstMaskedPut) == kInstMaskedPut;
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_vm->_gfx->patchBackground(v18, x, y, mask);
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}
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DECLARE_INSTRUCTION_OPCODE(show) {
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ctxt._suspend = true;
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}
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DECLARE_INSTRUCTION_OPCODE(invalid) {
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error("Can't execute invalid opcode %i", ctxt._inst->_index);
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}
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DECLARE_INSTRUCTION_OPCODE(call) {
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_vm->callFunction(ctxt._inst->_immediate, 0);
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}
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DECLARE_INSTRUCTION_OPCODE(wait) {
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if (_engineFlags & kEngineWalking) {
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ctxt._ip--;
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ctxt._suspend = true;
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}
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}
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DECLARE_INSTRUCTION_OPCODE(start) {
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ctxt._inst->_a->_flags |= (kFlagsActing | kFlagsActive);
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}
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DECLARE_INSTRUCTION_OPCODE(sound) {
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_vm->_activeZone = ctxt._inst->_z;
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}
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DECLARE_INSTRUCTION_OPCODE(move) {
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InstructionPtr inst = ctxt._inst;
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int16 x = inst->_opA.getValue();
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int16 y = inst->_opB.getValue();
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_vm->scheduleWalk(x, y, false);
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}
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DECLARE_INSTRUCTION_OPCODE(endscript) {
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if ((ctxt._anim->_flags & kFlagsLooping) == 0) {
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ctxt._anim->_flags &= ~kFlagsActing;
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_vm->_cmdExec->run(ctxt._anim->_commands, ctxt._anim);
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ctxt._program->_status = kProgramDone;
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}
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ctxt._ip = 0;
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ctxt._suspend = true;
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}
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DECLARE_COMMAND_OPCODE(invalid) {
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error("Can't execute invalid command '%i'", ctxt._cmd->_id);
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}
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DECLARE_COMMAND_OPCODE(set) {
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if (ctxt._cmd->_flags & kFlagsGlobal) {
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ctxt._cmd->_flags &= ~kFlagsGlobal;
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_globalFlags |= ctxt._cmd->_flags;
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} else {
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_vm->setLocationFlags(ctxt._cmd->_flags);
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}
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}
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DECLARE_COMMAND_OPCODE(clear) {
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if (ctxt._cmd->_flags & kFlagsGlobal) {
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ctxt._cmd->_flags &= ~kFlagsGlobal;
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_globalFlags &= ~ctxt._cmd->_flags;
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} else {
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_vm->clearLocationFlags(ctxt._cmd->_flags);
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}
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}
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DECLARE_COMMAND_OPCODE(start) {
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ctxt._cmd->_zone->_flags |= kFlagsActing;
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}
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DECLARE_COMMAND_OPCODE(speak) {
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if (ACTIONTYPE(ctxt._cmd->_zone) == kZoneSpeak) {
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_vm->enterDialogueMode(ctxt._cmd->_zone);
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} else {
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_vm->_activeZone = ctxt._cmd->_zone;
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}
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}
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DECLARE_COMMAND_OPCODE(get) {
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ctxt._cmd->_zone->_flags &= ~kFlagsFixed;
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_vm->runZone(ctxt._cmd->_zone);
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}
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DECLARE_COMMAND_OPCODE(location) {
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_vm->scheduleLocationSwitch(ctxt._cmd->_string);
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}
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DECLARE_COMMAND_OPCODE(open) {
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_vm->updateDoor(ctxt._cmd->_zone, false);
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}
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DECLARE_COMMAND_OPCODE(close) {
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_vm->updateDoor(ctxt._cmd->_zone, true);
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}
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DECLARE_COMMAND_OPCODE(on) {
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_vm->showZone(ctxt._cmd->_zone, true);
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}
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DECLARE_COMMAND_OPCODE(off) {
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_vm->showZone(ctxt._cmd->_zone, false);
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}
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DECLARE_COMMAND_OPCODE(call) {
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_vm->callFunction(ctxt._cmd->_callable, &ctxt._z);
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}
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DECLARE_COMMAND_OPCODE(toggle) {
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if (ctxt._cmd->_flags & kFlagsGlobal) {
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ctxt._cmd->_flags &= ~kFlagsGlobal;
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_globalFlags ^= ctxt._cmd->_flags;
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} else {
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_vm->toggleLocationFlags(ctxt._cmd->_flags);
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}
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}
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DECLARE_COMMAND_OPCODE(drop){
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_vm->dropItem( ctxt._cmd->_object );
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}
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DECLARE_COMMAND_OPCODE(quit) {
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_vm->quitGame();
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}
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DECLARE_COMMAND_OPCODE(move) {
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_vm->scheduleWalk(ctxt._cmd->_move.x, ctxt._cmd->_move.y, false);
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}
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DECLARE_COMMAND_OPCODE(stop) {
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ctxt._cmd->_zone->_flags &= ~kFlagsActing;
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}
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CommandExec_ns::CommandExec_ns(Parallaction_ns* vm) : CommandExec(vm), _vm(vm) {
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CommandOpcodeSet *table = 0;
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SetOpcodeTable(_opcodes);
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COMMAND_OPCODE(invalid);
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COMMAND_OPCODE(set);
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COMMAND_OPCODE(clear);
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COMMAND_OPCODE(start);
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COMMAND_OPCODE(speak);
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COMMAND_OPCODE(get);
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COMMAND_OPCODE(location);
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COMMAND_OPCODE(open);
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COMMAND_OPCODE(close);
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COMMAND_OPCODE(on);
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COMMAND_OPCODE(off);
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COMMAND_OPCODE(call);
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COMMAND_OPCODE(toggle);
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COMMAND_OPCODE(drop);
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COMMAND_OPCODE(quit);
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COMMAND_OPCODE(move);
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COMMAND_OPCODE(stop);
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}
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ProgramExec_ns::ProgramExec_ns(Parallaction_ns *vm) : _vm(vm) {
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_instructionNames = _instructionNamesRes_ns;
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ProgramOpcodeSet *table = 0;
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SetOpcodeTable(_opcodes);
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INSTRUCTION_OPCODE(invalid);
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INSTRUCTION_OPCODE(on);
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INSTRUCTION_OPCODE(off);
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INSTRUCTION_OPCODE(set); // x
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INSTRUCTION_OPCODE(set); // y
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INSTRUCTION_OPCODE(set); // z
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INSTRUCTION_OPCODE(set); // f
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INSTRUCTION_OPCODE(loop);
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INSTRUCTION_OPCODE(endloop);
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INSTRUCTION_OPCODE(show);
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INSTRUCTION_OPCODE(inc);
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INSTRUCTION_OPCODE(inc); // dec
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INSTRUCTION_OPCODE(set);
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INSTRUCTION_OPCODE(put);
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INSTRUCTION_OPCODE(call);
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INSTRUCTION_OPCODE(wait);
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INSTRUCTION_OPCODE(start);
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INSTRUCTION_OPCODE(sound);
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INSTRUCTION_OPCODE(move);
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INSTRUCTION_OPCODE(endscript);
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}
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} // namespace Parallaction
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