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/* 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 "mutationofjb/commands/changecommand.h"
#include "mutationofjb/script.h"
#include "mutationofjb/gamedata.h"
/** @file
* "CHANGE" <entity> " " <register> " " <sceneId> " " <entityId> " " <value>
*
* Changes entity register value for specified scene.
* <entity> 1B Entity to change register for.
* Possible values:
* 'D' - door
* 'O' - object
* 'S' - static
* '' - scene
* <register> 2B Register name.
* <sceneId> 2B Scene ID.
* <entityid> 2B Entity ID.
* <value> *B Value (variable length).
*/
namespace MutationOfJB {
bool ChangeCommandParser::parseValueString(const Common::String &valueString, bool changeEntity, uint8 &sceneId, uint8 &entityId, ChangeCommand::ChangeRegister ®, ChangeCommand::ChangeOperation &op, ChangeCommandValue &ccv) {
if (changeEntity) {
if (valueString.size() < 8) {
return false;
}
} else {
if (valueString.size() < 7) {
return false;
}
}
sceneId = atoi(valueString.c_str() + 3);
if (changeEntity) {
entityId = atoi(valueString.c_str() + 6);
}
const char *val = "";
if (changeEntity) {
if (valueString.size() >= 9) {
val = valueString.c_str() + 9;
}
} else {
if (valueString.size() >= 6) {
val = valueString.c_str() + 6;
}
}
if (valueString.hasPrefix("NM")) {
reg = ChangeCommand::NM;
op = ChangeCommand::SetValue;
strncpy(ccv._strVal, val, MAX_ENTITY_NAME_LENGTH);
} else if (valueString.hasPrefix("LT")) {
reg = ChangeCommand::LT;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("SX")) {
reg = ChangeCommand::SX;
ccv._wordVal = parseInteger(val, op);
} else if (valueString.hasPrefix("SY")) {
reg = ChangeCommand::SY;
ccv._wordVal = parseInteger(val, op);
} else if (valueString.hasPrefix("XX")) {
reg = ChangeCommand::XX;
ccv._wordVal = parseInteger(val, op);
} else if (valueString.hasPrefix("YY")) {
reg = ChangeCommand::YY;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("XL")) {
reg = ChangeCommand::XL;
ccv._wordVal = parseInteger(val, op);
} else if (valueString.hasPrefix("YL")) {
reg = ChangeCommand::YL;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("WX")) {
reg = ChangeCommand::WX;
ccv._wordVal = parseInteger(val, op);
} else if (valueString.hasPrefix("WY")) {
reg = ChangeCommand::WY;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("AC")) {
reg = ChangeCommand::AC;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("FA")) {
reg = ChangeCommand::FA;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("FR")) {
reg = ChangeCommand::FR;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("NA")) {
reg = ChangeCommand::NA;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("FS")) {
reg = ChangeCommand::FS;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("CA")) {
reg = ChangeCommand::CA;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("DS")) {
reg = ChangeCommand::DS;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("DL")) {
reg = ChangeCommand::DL;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("ND")) {
reg = ChangeCommand::ND;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("NO")) {
reg = ChangeCommand::NO;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("NS")) {
reg = ChangeCommand::NS;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("PF")) {
reg = ChangeCommand::PF;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("PL")) {
reg = ChangeCommand::PL;
ccv._byteVal = parseInteger(val, op);
} else if (valueString.hasPrefix("PD")) {
reg = ChangeCommand::PD;
ccv._byteVal = parseInteger(val, op);
}
return true;
}
bool ChangeDoorCommandParser::parse(const Common::String &line, ScriptParseContext &, Command *&command) {
if (!line.hasPrefix("CHANGED ")) {
return false;
}
uint8 sceneId = 0;
uint8 objectId = 0;
ChangeCommand::ChangeRegister reg;
ChangeCommand::ChangeOperation op;
ChangeCommandValue val;
if (!parseValueString(line.c_str() + 8, true, sceneId, objectId, reg, op, val)) {
return false;
}
command = new ChangeDoorCommand(sceneId, objectId, reg, op, val);
return true;
}
bool ChangeObjectCommandParser::parse(const Common::String &line, ScriptParseContext &, Command *&command) {
if (!line.hasPrefix("CHANGEO ")) {
return false;
}
uint8 sceneId = 0;
uint8 objectId = 0;
ChangeCommand::ChangeRegister reg;
ChangeCommand::ChangeOperation op;
ChangeCommandValue val;
if (!parseValueString(line.c_str() + 8, true, sceneId, objectId, reg, op, val)) {
return false;
}
command = new ChangeObjectCommand(sceneId, objectId, reg, op, val);
return true;
}
bool ChangeStaticCommandParser::parse(const Common::String &line, ScriptParseContext &, Command *&command) {
if (!line.hasPrefix("CHANGES ")) {
return false;
}
uint8 sceneId = 0;
uint8 objectId = 0;
ChangeCommand::ChangeRegister reg;
ChangeCommand::ChangeOperation op;
ChangeCommandValue val;
if (!parseValueString(line.c_str() + 8, true, sceneId, objectId, reg, op, val)) {
return false;
}
command = new ChangeStaticCommand(sceneId, objectId, reg, op, val);
return true;
}
bool ChangeSceneCommandParser::parse(const Common::String &line, ScriptParseContext &, Command *&command) {
if (!line.hasPrefix("CHANGE ")) {
return false;
}
uint8 sceneId = 0;
uint8 objectId = 0;
ChangeCommand::ChangeRegister reg;
ChangeCommand::ChangeOperation op;
ChangeCommandValue val;
if (!parseValueString(line.c_str() + 7, false, sceneId, objectId, reg, op, val)) {
return false;
}
command = new ChangeSceneCommand(sceneId, objectId, reg, op, val);
return true;
}
int ChangeCommandParser::parseInteger(const char *val, ChangeCommand::ChangeOperation &op) {
op = ChangeCommand::SetValue;
if (!val || !(*val)) {
return 0;
}
if (val[0] == '\\') {
op = ChangeCommand::SetValue;
val++;
} else if (val[0] == '+') {
op = ChangeCommand::AddValue;
val++;
} else if (val[0] == '-') {
op = ChangeCommand::SubtractValue;
val++;
}
return atoi(val);
}
const char *ChangeCommand::getRegisterAsString() const {
switch (_register) {
case NM:
return "NM";
case LT:
return "LT";
case SX:
return "SX";
case SY:
return "SY";
case XX:
return "XX";
case YY:
return "YY";
case XL:
return "XL";
case YL:
return "YL";
case WX:
return "WX";
case WY:
return "WY";
case SP:
return "SP";
case AC:
return "AC";
case FA:
return "FA";
case FR:
return "FR";
case NA:
return "NA";
case FS:
return "FS";
case CA:
return "CA";
case DS:
return "DS";
case DL:
return "DL";
case ND:
return "ND";
case NO:
return "NO";
case NS:
return "NS";
case PF:
return "PF";
case PL:
return "PL";
case PD:
return "PD";
default:
return "(unknown)";
}
}
Common::String ChangeCommand::getValueAsString() const {
switch (_register) {
case NM:
return Common::String::format("\"%s\"", _value._strVal);
case LT:
case YY:
case YL:
case WY:
case SP:
case AC:
case FA:
case FR:
case NA:
case FS:
case CA:
case DS:
case DL:
case ND:
case NO:
case NS:
case PF:
case PL:
case PD:
return Common::String::format("%d", (int)_value._byteVal);
case SX:
case SY:
case XX:
case XL:
case WX:
return Common::String::format("%d", (int)_value._wordVal);
default:
return "(unknown)";
}
}
const char *ChangeCommand::getOperationAsString() const {
switch (_operation) {
case SetValue:
return "=";
case AddValue:
return "+=";
case SubtractValue:
return "-=";
default:
return "(unknown)";
}
}
Command::ExecuteResult ChangeDoorCommand::execute(ScriptExecutionContext &scriptExecCtx) {
Scene *const scene = scriptExecCtx.getGameData().getScene(_sceneId);
if (!scene) {
return Finished;
}
Door *const door = scene->getDoor(_entityId);
if (!door) {
return Finished;
}
switch (_register) {
case NM:
strncpy(door->_name, _value._strVal, MAX_ENTITY_NAME_LENGTH);
break;
case LT:
door->_destSceneId = _value._byteVal;
break;
case SX:
door->_destX = _value._wordVal;
break;
case SY:
door->_destY = _value._wordVal;
break;
case XX:
door->_x = _value._wordVal;
break;
case YY:
door->_y = _value._byteVal;
break;
case XL:
door->_width = _value._wordVal;
break;
case YL:
door->_height = _value._byteVal;
break;
case WX:
door->_walkToX = _value._wordVal;
break;
case WY:
door->_walkToY = _value._byteVal;
break;
case SP:
door->_SP = _value._byteVal;
break;
default:
warning("Object does not support changing this register.");
break;
}
return Finished;
}
Common::String ChangeDoorCommand::debugString() const {
return Common::String::format("SCENE%d.DOOR%d.%s %s %s", _sceneId, _entityId, getRegisterAsString(), getOperationAsString(), getValueAsString().c_str());
}
Command::ExecuteResult ChangeObjectCommand::execute(ScriptExecutionContext &scriptExecCtx) {
Scene *const scene = scriptExecCtx.getGameData().getScene(_sceneId);
if (!scene) {
return Finished;
}
Object *const object = scene->getObject(_entityId);
if (!object) {
return Finished;
}
switch (_register) {
case AC:
object->_active = _value._byteVal;
break;
case FA:
object->_firstFrame = _value._byteVal;
break;
case FR:
object->_randomFrame = _value._byteVal;
break;
case NA:
object->_numFrames = _value._byteVal;
break;
case FS:
object->_roomFrameLSB = _value._byteVal;
break;
case CA:
object->_currentFrame = _value._byteVal;
break;
case XX:
object->_x = _value._wordVal;
break;
case YY:
object->_y = _value._byteVal;
break;
case XL:
object->_width = _value._wordVal;
break;
case YL:
object->_height = _value._byteVal;
break;
case WX:
object->_WX = _value._wordVal;
break;
case WY:
object->_roomFrameMSB = _value._byteVal;
break;
case SP:
object->_SP = _value._byteVal;
break;
default:
warning("Object does not support changing this register.");
break;
}
return Finished;
}
Common::String ChangeObjectCommand::debugString() const {
return Common::String::format("SCENE%d.OBJECT%d.%s %s %s", _sceneId, _entityId, getRegisterAsString(), getOperationAsString(), getValueAsString().c_str());
}
Command::ExecuteResult ChangeStaticCommand::execute(ScriptExecutionContext &scriptExecCtx) {
Scene *const scene = scriptExecCtx.getGameData().getScene(_sceneId);
if (!scene) {
return Finished;
}
Static *const stat = scene->getStatic(_entityId);
if (!stat) {
return Finished;
}
switch (_register) {
case AC:
stat->_active = _value._byteVal;
break;
case NM:
strncpy(stat->_name, _value._strVal, MAX_ENTITY_NAME_LENGTH);
break;
case XX:
stat->_x = _value._wordVal;
break;
case YY:
stat->_y = _value._byteVal;
break;
case XL:
stat->_width = _value._wordVal;
break;
case YL:
stat->_height = _value._byteVal;
break;
case WX:
stat->_walkToX = _value._wordVal;
break;
case WY:
stat->_walkToY = _value._byteVal;
break;
case SP:
stat->_walkToFrame = _value._byteVal;
break;
default:
warning("Object does not support changing this register.");
break;
}
return Finished;
}
Common::String ChangeStaticCommand::debugString() const {
return Common::String::format("SCENE%d.STATIC%d.%s %s %s", _sceneId, _entityId, getRegisterAsString(), getOperationAsString(), getValueAsString().c_str());
}
Command::ExecuteResult ChangeSceneCommand::execute(ScriptExecutionContext &scriptExecCtx) {
Scene *const scene = scriptExecCtx.getGameData().getScene(_sceneId);
if (!scene) {
return Finished;
}
switch (_register) {
case DS:
scene->_startup = _value._byteVal;
break;
case DL:
scene->_delay = _value._byteVal;
break;
case ND:
scene->_noDoors = _value._byteVal;
break;
case NO:
scene->_noObjects = _value._byteVal;
break;
case NS:
scene->_noStatics = _value._byteVal;
break;
case PF:
scene->_palRotFirst = _value._byteVal;
break;
case PL:
scene->_palRotLast = _value._byteVal;
break;
case PD:
scene->_palRotDelay = _value._byteVal;
break;
default:
warning("Scene does not support changing this register.");
break;
}
return Finished;
}
Common::String ChangeSceneCommand::debugString() const {
return Common::String::format("SCENE%d.%s %s %s", _sceneId, getRegisterAsString(), getOperationAsString(), getValueAsString().c_str());
}
}
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