fights.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef LURE_FIGHT_H
#define LURE_FIGHT_H

#include "lure/luredefs.h"
#include "lure/hotspots.h"
#include "lure/palette.h"

#include "common/singleton.h"
#include "common/endian.h"
#include "common/random.h"

namespace Lure {

struct FighterRecord {
    uint16 fwheader_list;
    uint16 fwweapon;
    uint16 fwdie_seq;
    uint16 fwhit_value;
    uint16 fwhit_rate;
    int16 fwtrue_x;
    int16 fwtrue_y;
    uint16 fwblocking;
    uint16 fwattack_table;
    uint16 fwdef_len;
    uint16 fwdefend_table;
    uint16 fwnot_near;
    uint16 fwdefend_adds;
    uint16 fwseq_no;
    uint16 fwdist;
    uint16 fwwalk_roll;
    uint16 fwmove_number;
    uint16 fwhits;
    uint16 fwseq_ad;
    uint16 fwenemy_ad;
};

// Constant references into the fight data
#define FIGHT_TBL_1 0x8b8
#define FIGHT_PLAYER_MOVE_TABLE 0xDAA
#define FIGHT_PLAYER_INIT 0xDC8
#define FIGHT_PLAYER_DIES 0xF46

#define FIGHT_DISTANCE 32

enum KeyStatus {KS_UP, KS_KEYDOWN_1, KS_KEYDOWN_2};

class FightsManager {
private:
    MemoryBlock *_fightData;
    Common::RandomSource &_rnd;
    uint8 _mouseFlags;
    KeyStatus _keyDown;
    FighterRecord _fighterList[3];

    FighterRecord &getDetails(uint16 hotspotId);
    uint16 fetchFighterDistance(FighterRecord &f1, FighterRecord &f2);
    void removeWeapon(uint16 weaponId);
    void enemyKilled();
    uint16 getFighterMove(FighterRecord &rec, uint16 baseOffset);
    void checkEvents();
    void fightHandler(Hotspot &h, uint16 moveOffset);

    inline uint16 getWord(uint16 offset) {
        if (!_fightData)
            _fightData = Disk::getReference().getEntry(FIGHT_DATA_RESOURCE_ID);
        if (offset >= _fightData->size() - 1) error("Invalid fight data index");
        return READ_LE_UINT16(_fightData->data() + offset);
    }
    inline uint8 getByte(uint16 offset) {
        if (!_fightData)
            _fightData = Disk::getReference().getEntry(FIGHT_DATA_RESOURCE_ID);
        if (offset >= _fightData->size()) error("Invalid fight data index");
        return _fightData->data()[offset];
    }
public:
    FightsManager();
    ~FightsManager();
    static FightsManager &getReference();

    void setupPigFight();
    void setupSkorlFight();
    bool isFighting();
    void fightLoop();
    void saveToStream(Common::WriteStream *stream);
    void loadFromStream(Common::ReadStream *stream);
    void reset();

    void fighterAnimHandler(Hotspot &h);
    void playerAnimHandler(Hotspot &h);
};

#define Fights FightsManager::getReference()

} // End of namespace Lure

#endif