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path: root/engines/adl/adl_v3.cpp
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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 "common/random.h"
#include "common/error.h"

#include "adl/adl_v3.h"
#include "adl/display.h"
#include "adl/graphics.h"

namespace Adl {

AdlEngine_v3::AdlEngine_v3(OSystem *syst, const AdlGameDescription *gd) :
		AdlEngine_v2(syst, gd) {
}

Common::String AdlEngine_v3::loadMessage(uint idx) const {
	Common::String str = AdlEngine_v2::loadMessage(idx);

	for (uint i = 0; i < str.size(); ++i) {
		const char *xorStr = "AVISDURGAN";
		str.setChar(str[i] ^ xorStr[i % strlen(xorStr)], i);
	}

	return str;
}

typedef Common::Functor1Mem<ScriptEnv &, int, AdlEngine_v3> OpcodeV3;
#define SetOpcodeTable(x) table = &x;
#define Opcode(x) table->push_back(new OpcodeV3(this, &AdlEngine_v3::x))
#define OpcodeUnImpl() table->push_back(new OpcodeV3(this, 0))

void AdlEngine_v3::setupOpcodeTables() {
	Common::Array<const Opcode *> *table = 0;

	SetOpcodeTable(_condOpcodes);
	// 0x00
	OpcodeUnImpl();
	Opcode(o2_isFirstTime);
	Opcode(o2_isRandomGT);
	Opcode(o1_isItemInRoom);
	// 0x04
	Opcode(o2_isNounNotInRoom);
	Opcode(o1_isMovesGT);
	Opcode(o1_isVarEQ);
	Opcode(o2_isCarryingSomething);
	// 0x08
	Opcode(o3_isVarGT);
	Opcode(o1_isCurPicEQ);
	Opcode(o1_isItemPicEQ);

	SetOpcodeTable(_actOpcodes);
	// 0x00
	OpcodeUnImpl();
	Opcode(o1_varAdd);
	Opcode(o1_varSub);
	Opcode(o1_varSet);
	// 0x04
	Opcode(o1_listInv);
	Opcode(o2_moveItem);
	Opcode(o1_setRoom);
	Opcode(o1_setCurPic);
	// 0x08
	Opcode(o1_setPic);
	Opcode(o1_printMsg);
	Opcode(o1_setLight);
	Opcode(o1_setDark);
	// 0x0c
	Opcode(o2_moveAllItems);
	Opcode(o1_quit);
	OpcodeUnImpl();
	Opcode(o2_save);
	// 0x10
	Opcode(o2_restore);
	Opcode(o1_restart);
	Opcode(o2_placeItem);
	Opcode(o1_setItemPic);
	// 0x14
	Opcode(o1_resetPic);
	Opcode(o1_goDirection<IDI_DIR_NORTH>);
	Opcode(o1_goDirection<IDI_DIR_SOUTH>);
	Opcode(o1_goDirection<IDI_DIR_EAST>);
	// 0x18
	Opcode(o1_goDirection<IDI_DIR_WEST>);
	Opcode(o1_goDirection<IDI_DIR_UP>);
	Opcode(o1_goDirection<IDI_DIR_DOWN>);
	Opcode(o1_takeItem);
	// 0x1c
	Opcode(o1_dropItem);
	Opcode(o1_setRoomPic);
	Opcode(o2_tellTime);
	Opcode(o2_setRoomFromVar);
	// 0x20
	Opcode(o2_initDisk);
}

int AdlEngine_v3::o3_isVarGT(ScriptEnv &e) {
	OP_DEBUG_2("\t&& VARS[%d] > %d", e.arg(1), e.arg(2));

	if (getVar(e.arg(1)) > e.arg(2))
		return 2;

	return -1;
}

} // End of namespace Adl