scene.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_SCENE_H
#define TWINE_SCENE_SCENE_H

#include "common/scummsys.h"
#include "common/util.h"
#include "twine/scene/actor.h"
#include "twine/shared.h"

namespace TwinE {

#define NUM_SCENES_FLAGS 80

#define NUM_MAX_ACTORS 100
#define NUM_MAX_ZONES 100
#define NUM_MAX_TRACKS 200

enum class ScenePositionType {
    kNoPosition = 0,
    kZone = 1,
    kScene = 2,
    kReborn = 3
};

// ZONES

#define ZONE_INIT_ON 1
#define ZONE_ON 2
#define ZONE_ACTIVE 4
#define ZONE_OBLIGATOIRE 8

struct ZoneStruct {
    IVec3 mins;
    IVec3 maxs;
    ZoneType type = ZoneType::kCube;
    int32 num;
    union {
        struct {
            int32 x;
            int32 y;
            int32 z;
        } ChangeScene;
        struct {
            int32 x;
            int32 y;
            int32 z;
        } CameraView;
        struct {
            int32 textColor; 
        } DisplayText;
        struct {
            BonusParameter typesFlag;
            int32 amount;
            int32 used;
        } Bonus;
        struct {
            int32 info0;
            int32 info1;
            int32 info2;
            int32 info3;
            int32 info4;
            int32 info5;
            int32 info6;
            int32 info7;
        } generic;
    } infoData;
};

class TwinEEngine;

class Scene {
private:
    TwinEEngine *_engine;

    void processZoneExtraBonus(ZoneStruct *zone);
    void setActorStaticFlags(ActorStruct *act, uint32 staticFlags);
    void setBonusParameterFlags(ActorStruct *act, uint16 bonusFlags);
    bool loadSceneLBA1();
    bool loadSceneLBA2();

    bool initScene(int32 index);
    void resetScene();

    // the first actor is the own hero
    ActorStruct _sceneActors[NUM_MAX_ACTORS]; // ListObjet
    int32 _currentSceneSize = 0;
    bool _isOutsideScene = false; // lba2

    int32 _sampleAmbienceTime = 0;
    int16 _sampleAmbiance[4]{0};
    int16 _sampleRepeat[4]{0};
    int16 _sampleRound[4]{0};
    int16 _sampleFrequency[4]{0}; // lba2
    int16 _sampleVolume[4]{0}; // lba2
    int16 _sampleMinDelay = 0;
    int16 _sampleMinDelayRnd = 0;

    int16 _samplePlayed = 0;

    int16 _sceneMusic = 0;

    IVec3 _sceneHeroPos;
    IVec3 _zoneHeroPos;

    int32 _currentGameOverScene = 0;

    uint8 *_currentScene = nullptr;
    void dumpSceneScripts() const;
    void dumpSceneScript(const char *type, int actorIdx, const uint8* script, int size) const;
public:
    Scene(TwinEEngine *engine) : _engine(engine) {}
    ~Scene();

    int32 _needChangeScene = LBA1SceneId::Citadel_Island_Prison;
    int32 _currentSceneIdx = LBA1SceneId::Citadel_Island_Prison; // NumCube
    int32 _previousSceneIdx = LBA1SceneId::Citadel_Island_Prison;

    int32 _planet = -1;

    int32 _holomapTrajectory = -1;

    TextBankId _sceneTextBank = TextBankId::None;
    int32 _alphaLight = 0;
    int32 _betaLight = 0;

    IVec3 _newHeroPos;

    int16 _startYFalling = 0;

    ScenePositionType _heroPositionType = ScenePositionType::kNoPosition; // twinsenPositionModeInNewCube

    // ACTORS
    int32 _nbObjets = 0;
    ActorStruct *_sceneHero = nullptr;

    int16 _mecaPenguinIdx = 0;

    int16 _currentlyFollowedActor = OWN_ACTOR_SCENE_INDEX;
    bool _flagClimbing = false;
    bool _enableEnhancements = false;
    int16 _currentScriptValue = 0;

    int16 _talkingActor = 0;

    // TRACKS Tell the actor where to go
    int32 _sceneNumTracks = 0;
    IVec3 _sceneTracks[NUM_MAX_TRACKS];

    bool _enableGridTileRendering = true;

    uint8 _listFlagCube[NUM_SCENES_FLAGS]{0};

    int32 _sceneNumZones = 0;
    ZoneStruct _sceneZones[NUM_MAX_ZONES];

    ActorStruct *getActor(int32 actorIdx);

    void playSceneMusic();

    void reloadCurrentScene();

    void changeScene();

    void processEnvironmentSound();
    void initSceneVars();

    bool isGameRunning() const;
    void stopRunningGame();

    void checkZoneSce(int32 actorIdx);
};

inline bool Scene::isGameRunning() const {
    return _currentScene != nullptr;
}

} // namespace TwinE

#endif