extra.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 TWINE_SCENE_EXTRA_H
#define TWINE_SCENE_EXTRA_H

#include "common/scummsys.h"
#include "common/rect.h"
#include "twine/scene/actor.h"

namespace TwinE {

#define EXTRA_MAX_ENTRIES 50

#define EXTRA_SPECIAL_MASK 0x8000

struct ShapeData {
    int16 x;
    int16 z;
};

struct ExtraShape {
    int n;
    const ShapeData *data;
};

enum ExtraType {
    TIME_OUT = 1 << 0,        // 0x0001
    FLY = 1 << 1,             // 0x0002
    END_OBJ = 1 << 2,         // 0x0004
    END_COL = 1 << 3,         // 0x0008
    STOP_COL = 1 << 4,        // 0x0010
    TAKABLE = 1 << 5,         // 0x0020
    FLASH = 1 << 6,           // 0x0040
    SEARCH_OBJ = 1 << 7,      // 0x0080
    IMPACT = 1 << 8,          // 0x0100
    MAGIC_BALL_KEY = 1 << 9,  // 0x0200
    TIME_IN = 1 << 10,        // 0x0400
    ONE_FRAME = 1 << 11,      // 0x0800
    EXPLOSION = 1 << 12,      // 0x1000
    WAIT_NO_COL = 1 << 13,    // 0x2000
    WAIT_SOME_TIME = 1 << 14, // 0x4000
    COMPUTE_TRAJ = 1 << 15    // 0x8000 used in dotemu enhanced to render the magic ball trajectories
};

struct ExtraListStruct {
    int16 sprite = 0; 
    IVec3 pos;
    IVec3 lastPos;
    IVec3 destPos;

    ActorMoveStruct trackActorMove;

    uint16 type = 0; 
    int16 angle = 0; // weight
    int32 spawnTime = 0; // memo timer 50hz
    union payload { // field_ 1C
        int16 lifeTime;
        int16 actorIdx;
        int16 extraIdx;
        int16 unknown;
    } payload{0};
    int16 strengthOfHit = 0; // apply damage if != 0
    int16 info1 = 0;         // various - number for zone giver
};

class TwinEEngine;

class Extra {
private:
    TwinEEngine *_engine;

    void initFly(ExtraListStruct *extra, int32 xAngle, int32 yAngle, int32 x, int32 extraAngle);
    void bounceExtra(ExtraListStruct *extra, int32 x, int32 y, int32 z);
    int32 searchBonusKey() const;
    int32 extraSearchKey(int32 actorIdx, int32 x, int32 y, int32 z, int32 spriteIdx, int32 extraIdx);
    void aff2DShape(const ExtraShape &shapeTable, int32 x, int32 y, int32 color, int32 angle, int32 zoom, Common::Rect &renderRect);

public:
    Extra(TwinEEngine *engine);
    ExtraListStruct _extraList[EXTRA_MAX_ENTRIES];

    int32 extraSearch(int32 actorIdx, int32 x, int32 y, int32 z, int32 spriteIdx, int32 targetActor, int32 maxSpeed, int32 strengthOfHit);

    int32 addExtraExplode(int32 x, int32 y, int32 z);

    inline int32 extraExplo(const IVec3 &pos) {
        return addExtraExplode(pos.x, pos.y, pos.z);
    }

    void resetExtras();

    int32 initSpecial(int32 x, int32 y, int32 z, ExtraSpecialType type);
    int32 addExtraBonus(int32 x, int32 y, int32 z, int32 xAngle, int32 yAngle, int32 type, int32 bonusAmount);

    inline int32 addExtraBonus(const IVec3 &pos, int32 xAngle, int32 yAngle, int32 type, int32 bonusAmount) {
        return addExtraBonus(pos.x, pos.y, pos.z, xAngle, yAngle, type, bonusAmount);
    }

    int32 throwExtra(int32 actorIdx, int32 x, int32 y, int32 z, int32 spriteIdx, int32 xAngle, int32 yAngle, int32 xRotPoint, int32 extraAngle, int32 strengthOfHit);
    int32 addExtraAiming(int32 actorIdx, int32 x, int32 y, int32 z, int32 spriteIdx, int32 targetActorIdx, int32 finalAngle, int32 strengthOfHit);
    void addExtraThrowMagicball(int32 x, int32 y, int32 z, int32 xAngle, int32 yAngle, int32 xRotPoint, int32 extraAngle);

    void affSpecial(int32 extraIdx, int32 x, int32 y, Common::Rect &renderRect);

    int getBonusSprite(BonusParameter bonusParameter) const;

    void gereExtras();
};

} // namespace TwinE

#endif