scummvm/engines/parallaction/exec_ns.cpp
2011-05-12 01:16:22 +02:00

348 lines
7.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "parallaction/exec.h"
#include "parallaction/input.h"
#include "parallaction/parallaction.h"
#include "parallaction/sound.h"
#include "common/textconsole.h"
namespace Parallaction {
#define INST_ON 1
#define INST_OFF 2
#define INST_X 3
#define INST_Y 4
#define INST_Z 5
#define INST_F 6
#define INST_LOOP 7
#define INST_ENDLOOP 8
#define INST_SHOW 9
#define INST_INC 10
#define INST_DEC 11
#define INST_SET 12
#define INST_PUT 13
#define INST_CALL 14
#define INST_WAIT 15
#define INST_START 16
#define INST_SOUND 17
#define INST_MOVE 18
#define INST_ENDSCRIPT 19
#define SetOpcodeTable(x) table = &x;
typedef Common::Functor1Mem<CommandContext&, void, CommandExec_ns> OpcodeV1;
#define COMMAND_OPCODE(op) table->push_back(new OpcodeV1(this, &CommandExec_ns::cmdOp_##op))
#define DECLARE_COMMAND_OPCODE(op) void CommandExec_ns::cmdOp_##op(CommandContext& ctxt)
typedef Common::Functor1Mem<ProgramContext&, void, ProgramExec_ns> OpcodeV2;
#define INSTRUCTION_OPCODE(op) table->push_back(new OpcodeV2(this, &ProgramExec_ns::instOp_##op))
#define DECLARE_INSTRUCTION_OPCODE(op) void ProgramExec_ns::instOp_##op(ProgramContext& ctxt)
extern const char *_instructionNamesRes_ns[];
DECLARE_INSTRUCTION_OPCODE(on) {
InstructionPtr inst = ctxt._inst;
inst->_a->_flags |= kFlagsActive;
inst->_a->_flags &= ~kFlagsRemove;
}
DECLARE_INSTRUCTION_OPCODE(off) {
ctxt._inst->_a->_flags |= kFlagsRemove;
}
DECLARE_INSTRUCTION_OPCODE(loop) {
InstructionPtr inst = ctxt._inst;
ctxt._program->_loopCounter = inst->_opB.getValue();
ctxt._program->_loopStart = ctxt._ip;
}
DECLARE_INSTRUCTION_OPCODE(endloop) {
if (--ctxt._program->_loopCounter > 0) {
ctxt._ip = ctxt._program->_loopStart;
}
}
DECLARE_INSTRUCTION_OPCODE(inc) {
InstructionPtr inst = ctxt._inst;
int16 _si = inst->_opB.getValue();
if (inst->_flags & kInstMod) { // mod
int16 _bx = (_si > 0 ? _si : -_si);
if (ctxt._modCounter % _bx != 0) return;
_si = (_si > 0 ? 1 : -1);
}
int16 lvalue = inst->_opA.getValue();
if (inst->_index == INST_INC) {
lvalue += _si;
} else {
lvalue -= _si;
}
inst->_opA.setValue(lvalue);
}
DECLARE_INSTRUCTION_OPCODE(set) {
ctxt._inst->_opA.setValue(ctxt._inst->_opB.getValue());
}
DECLARE_INSTRUCTION_OPCODE(put) {
InstructionPtr inst = ctxt._inst;
Common::Rect r;
inst->_a->getFrameRect(r);
Graphics::Surface v18;
v18.w = r.width();
v18.h = r.height();
v18.pixels = inst->_a->getFrameData();
int16 x = inst->_opA.getValue();
int16 y = inst->_opB.getValue();
bool mask = (inst->_flags & kInstMaskedPut) == kInstMaskedPut;
_vm->_gfx->patchBackground(v18, x, y, mask);
}
DECLARE_INSTRUCTION_OPCODE(show) {
ctxt._suspend = true;
}
DECLARE_INSTRUCTION_OPCODE(invalid) {
error("Can't execute invalid opcode %i", ctxt._inst->_index);
}
DECLARE_INSTRUCTION_OPCODE(call) {
_vm->callFunction(ctxt._inst->_immediate, 0);
}
DECLARE_INSTRUCTION_OPCODE(wait) {
if (_engineFlags & kEngineWalking) {
ctxt._ip--;
ctxt._suspend = true;
}
}
DECLARE_INSTRUCTION_OPCODE(start) {
ctxt._inst->_a->_flags |= (kFlagsActing | kFlagsActive);
}
DECLARE_INSTRUCTION_OPCODE(sound) {
_vm->_activeZone = ctxt._inst->_z;
}
DECLARE_INSTRUCTION_OPCODE(move) {
InstructionPtr inst = ctxt._inst;
int16 x = inst->_opA.getValue();
int16 y = inst->_opB.getValue();
_vm->scheduleWalk(x, y, false);
}
DECLARE_INSTRUCTION_OPCODE(endscript) {
if ((ctxt._anim->_flags & kFlagsLooping) == 0) {
ctxt._anim->_flags &= ~kFlagsActing;
_vm->_cmdExec->run(ctxt._anim->_commands, ctxt._anim);
ctxt._program->_status = kProgramDone;
}
ctxt._ip = 0;
ctxt._suspend = true;
}
DECLARE_COMMAND_OPCODE(invalid) {
error("Can't execute invalid command '%i'", ctxt._cmd->_id);
}
DECLARE_COMMAND_OPCODE(set) {
if (ctxt._cmd->_flags & kFlagsGlobal) {
ctxt._cmd->_flags &= ~kFlagsGlobal;
_globalFlags |= ctxt._cmd->_flags;
} else {
_vm->setLocationFlags(ctxt._cmd->_flags);
}
}
DECLARE_COMMAND_OPCODE(clear) {
if (ctxt._cmd->_flags & kFlagsGlobal) {
ctxt._cmd->_flags &= ~kFlagsGlobal;
_globalFlags &= ~ctxt._cmd->_flags;
} else {
_vm->clearLocationFlags(ctxt._cmd->_flags);
}
}
DECLARE_COMMAND_OPCODE(start) {
ctxt._cmd->_zone->_flags |= kFlagsActing;
}
DECLARE_COMMAND_OPCODE(speak) {
if (ACTIONTYPE(ctxt._cmd->_zone) == kZoneSpeak) {
_vm->enterDialogueMode(ctxt._cmd->_zone);
} else {
_vm->_activeZone = ctxt._cmd->_zone;
}
}
DECLARE_COMMAND_OPCODE(get) {
ctxt._cmd->_zone->_flags &= ~kFlagsFixed;
_vm->runZone(ctxt._cmd->_zone);
}
DECLARE_COMMAND_OPCODE(location) {
_vm->scheduleLocationSwitch(ctxt._cmd->_string);
}
DECLARE_COMMAND_OPCODE(open) {
_vm->updateDoor(ctxt._cmd->_zone, false);
}
DECLARE_COMMAND_OPCODE(close) {
_vm->updateDoor(ctxt._cmd->_zone, true);
}
DECLARE_COMMAND_OPCODE(on) {
_vm->showZone(ctxt._cmd->_zone, true);
}
DECLARE_COMMAND_OPCODE(off) {
_vm->showZone(ctxt._cmd->_zone, false);
}
DECLARE_COMMAND_OPCODE(call) {
_vm->callFunction(ctxt._cmd->_callable, &ctxt._z);
}
DECLARE_COMMAND_OPCODE(toggle) {
if (ctxt._cmd->_flags & kFlagsGlobal) {
ctxt._cmd->_flags &= ~kFlagsGlobal;
_globalFlags ^= ctxt._cmd->_flags;
} else {
_vm->toggleLocationFlags(ctxt._cmd->_flags);
}
}
DECLARE_COMMAND_OPCODE(drop){
_vm->dropItem( ctxt._cmd->_object );
}
DECLARE_COMMAND_OPCODE(quit) {
_vm->quitGame();
}
DECLARE_COMMAND_OPCODE(move) {
_vm->scheduleWalk(ctxt._cmd->_move.x, ctxt._cmd->_move.y, false);
}
DECLARE_COMMAND_OPCODE(stop) {
ctxt._cmd->_zone->_flags &= ~kFlagsActing;
}
CommandExec_ns::CommandExec_ns(Parallaction_ns* vm) : CommandExec(vm), _vm(vm) {
CommandOpcodeSet *table = 0;
SetOpcodeTable(_opcodes);
COMMAND_OPCODE(invalid);
COMMAND_OPCODE(set);
COMMAND_OPCODE(clear);
COMMAND_OPCODE(start);
COMMAND_OPCODE(speak);
COMMAND_OPCODE(get);
COMMAND_OPCODE(location);
COMMAND_OPCODE(open);
COMMAND_OPCODE(close);
COMMAND_OPCODE(on);
COMMAND_OPCODE(off);
COMMAND_OPCODE(call);
COMMAND_OPCODE(toggle);
COMMAND_OPCODE(drop);
COMMAND_OPCODE(quit);
COMMAND_OPCODE(move);
COMMAND_OPCODE(stop);
}
ProgramExec_ns::ProgramExec_ns(Parallaction_ns *vm) : _vm(vm) {
_instructionNames = _instructionNamesRes_ns;
ProgramOpcodeSet *table = 0;
SetOpcodeTable(_opcodes);
INSTRUCTION_OPCODE(invalid);
INSTRUCTION_OPCODE(on);
INSTRUCTION_OPCODE(off);
INSTRUCTION_OPCODE(set); // x
INSTRUCTION_OPCODE(set); // y
INSTRUCTION_OPCODE(set); // z
INSTRUCTION_OPCODE(set); // f
INSTRUCTION_OPCODE(loop);
INSTRUCTION_OPCODE(endloop);
INSTRUCTION_OPCODE(show);
INSTRUCTION_OPCODE(inc);
INSTRUCTION_OPCODE(inc); // dec
INSTRUCTION_OPCODE(set);
INSTRUCTION_OPCODE(put);
INSTRUCTION_OPCODE(call);
INSTRUCTION_OPCODE(wait);
INSTRUCTION_OPCODE(start);
INSTRUCTION_OPCODE(sound);
INSTRUCTION_OPCODE(move);
INSTRUCTION_OPCODE(endscript);
}
} // namespace Parallaction