/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004 Ivan Dubrov
 * Copyright (C) 2004-2005 The ScummVM project
 *
 * 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.
 *
 * $Header$
 *
 */
#include "gob/gob.h"
#include "gob/global.h"
#include "gob/inter.h"
#include "gob/util.h"
#include "gob/scenery.h"
#include "gob/parse.h"
#include "gob/game.h"
#include "gob/draw.h"
#include "gob/mult.h"
#include "gob/goblin.h"
#include "gob/cdrom.h"

namespace Gob {

#define OPCODE(x) _OPCODE(Inter_v2, x)

Inter_v2::Inter_v2(GobEngine *vm) : Inter_v1(vm) {
	setupOpcodes();
}

void Inter_v2::setupOpcodes(void) {
	static const OpcodeDrawEntryV2 opcodesDraw[256] = {
		/* 00 */
		OPCODE(o1_loadMult),
		OPCODE(o1_playMult),
		OPCODE(o1_freeMult),
		{NULL, ""},
		/* 04 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		OPCODE(o1_initCursor),
		/* 08 */
		OPCODE(o1_initCursorAnim),
		OPCODE(o1_clearCursorAnim),
		OPCODE(o1_setRenderFlags),
		{NULL, ""},
		/* 0C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 10 */
		OPCODE(o1_loadAnim),
		OPCODE(o1_freeAnim),
		OPCODE(o1_updateAnim),
		OPCODE(o2_drawStub),
		/* 14 */
		OPCODE(o1_initMult),
		OPCODE(o1_multFreeMult),
		OPCODE(o1_animate),
		OPCODE(o1_multLoadMult),
		/* 18 */
		OPCODE(o1_storeParams),
		OPCODE(o1_getObjAnimSize),
		OPCODE(o1_loadStatic),
		OPCODE(o1_freeStatic),
		/* 1C */
		OPCODE(o1_renderStatic),
		OPCODE(o1_loadCurLayer),
		{NULL, ""},
		{NULL, ""},
		/* 20 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		/* 24 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		{NULL, ""},
		{NULL, ""},
		/* 28 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 2C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 30 */
		OPCODE(o1_loadFontToSprite),
		OPCODE(o1_freeFontToSprite),
		{NULL, ""},
		{NULL, ""},
		/* 34 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 38 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 3C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 40 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		/* 44 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 48 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 4C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 50 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		/* 54 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		{NULL, ""},
		/* 58 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 5C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 60 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 64 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 68 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 6C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 70 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 74 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 78 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 7C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 80 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		/* 84 */
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		OPCODE(o2_drawStub),
		/* 88 */
		OPCODE(o2_drawStub),
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 8C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 90 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 94 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 98 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 9C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* A0 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* A4 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* A8 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* AC */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* B0 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* B4 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* B8 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* BC */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* C0 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* C4 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* C8 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* CC */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* D0 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* D4 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* D8 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* DC */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* E0 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* E4 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* E8 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* EC */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* F0 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* F4 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* F8 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* FC */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""}
	};

	static const OpcodeFuncEntryV2 opcodesFunc[80] = {
		/* 00 */
		OPCODE(o1_callSub),
		OPCODE(o1_callSub),
		OPCODE(o1_drawPrintText),
		OPCODE(o1_loadCursor),
		/* 04 */
		{NULL, ""},
		OPCODE(o1_call),
		OPCODE(o1_repeatUntil),
		OPCODE(o1_whileDo),
		/* 08 */
		OPCODE(o1_callBool),
		OPCODE(o1_evaluateStore),
		OPCODE(o1_loadSpriteToPos),
		{NULL, ""},
		/* 0C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 10 */
		{NULL, ""},
		OPCODE(o1_printText),
		OPCODE(o1_loadTot),
		OPCODE(o1_palLoad),
		/* 14 */
		OPCODE(o1_keyFunc),
		OPCODE(o1_capturePush),
		OPCODE(o1_capturePop),
		OPCODE(o1_animPalInit),
		/* 18 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 1C */
		{NULL, ""},
		{NULL, ""},
		OPCODE(o1_drawOperations),
		OPCODE(o1_setcmdCount),
		/* 20 */
		OPCODE(o1_return),
		OPCODE(o1_renewTimeInVars),
		OPCODE(o1_speakerOn),
		OPCODE(o1_speakerOff),
		/* 24 */
		OPCODE(o1_putPixel),
		OPCODE(o1_func),
		OPCODE(o1_createSprite),
		OPCODE(o1_freeSprite),
		/* 28 */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 2C */
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		{NULL, ""},
		/* 30 */
		OPCODE(o1_returnTo),
		OPCODE(o1_loadSpriteContent),
		OPCODE(o1_copySprite),
		OPCODE(o1_fillRect),
		/* 34 */
		OPCODE(o1_drawLine),
		OPCODE(o1_strToLong),
		OPCODE(o1_invalidate),
		OPCODE(o1_setBackDelta),
		/* 38 */
		OPCODE(o1_playSound),
		OPCODE(o1_stopSound),
		OPCODE(o1_loadSound),
		OPCODE(o1_freeSoundSlot),
		/* 3C */
		OPCODE(o1_waitEndPlay),
		OPCODE(o1_playComposition),
		OPCODE(o1_getFreeMem),
		OPCODE(o1_checkData),
		/* 40 */
		{NULL, ""},
		OPCODE(o1_prepareStr),
		OPCODE(o1_insertStr),
		OPCODE(o1_cutStr),
		/* 44 */
		OPCODE(o1_strstr),
		OPCODE(o1_istrlen),
		OPCODE(o1_setMousePos),
		OPCODE(o1_setFrameRate),
		/* 48 */
		OPCODE(o1_animatePalette),
		OPCODE(o1_animateCursor),
		OPCODE(o1_blitCursor),
		OPCODE(o1_loadFont),
		/* 4C */
		OPCODE(o1_freeFont),
		OPCODE(o1_readData),
		OPCODE(o1_writeData),
		OPCODE(o1_manageDataFile),
	};

	_opcodesDrawV2 = opcodesDraw;
	_opcodesFuncV2 = opcodesFunc;
}

void Inter_v2::executeDrawOpcode(byte i) {
	debug(4, "opcodeDraw %d (%s)", i, getOpcodeDrawDesc(i));

	OpcodeDrawProcV2 op = _opcodesDrawV2[i].proc;

	if (op == NULL)
		warning("unimplemented opcodeDraw: %d", i);
	else
		(this->*op) ();
}

bool Inter_v2::executeFuncOpcode(byte i, byte j, char &cmdCount, int16 &counter, int16 &retFlag) {
	debug(4, "opcodeFunc %d (%s)", i, getOpcodeFuncDesc(i, j));

	if ((i > 4) || (j > 15)) {
		warning("unimplemented opcodeFunc: %d.%d", i, j);
		return false;
	}

	OpcodeFuncProcV2 op = _opcodesFuncV2[i*16 + j].proc;

	if (op == NULL)
		warning("unimplemented opcodeFunc: %d.%d", i, j);
	else
		return (this->*op) (cmdCount, counter, retFlag);
	return false;
}

const char *Inter_v2::getOpcodeDrawDesc(byte i) {
	return _opcodesDrawV2[i].desc;
}

const char *Inter_v2::getOpcodeFuncDesc(byte i, byte j)
{
	if ((i > 4) || (j > 15))
		return "";

	return _opcodesFuncV2[i*16 + j].desc;
}


} // End of namespace Gob