motion.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 NGI_MOTION_H
#define NGI_MOTION_H

#include "ngi/anihandler.h"

namespace NGI {

class MctlConnectionPoint;
class MovGraphLink;
class MessageQueue;
struct MovArr;
struct MovItem;

int startWalkTo(int objId, int objKey, int x, int y, int a5);
bool doSomeAnimation(int objId, int objKey, int a3);
bool doSomeAnimation2(int objId, int objKey);

class MotionController : public CObject {
public:
    int _field_4;
    bool _isEnabled;

public:
    MotionController() : _isEnabled(true), _field_4(0) {}
    ~MotionController() override {}
    bool load(MfcArchive &file) override;
    virtual void methodC() {}
    virtual void method10() {}
    virtual void deactivate() { _isEnabled = false; }
    virtual void activate() { _isEnabled = true; }
    virtual void attachObject(StaticANIObject *obj) {}
    virtual int detachObject(StaticANIObject *obj) { return 0; }
    virtual void detachAllObjects() {}
    virtual Common::Array<MovItem *> *getPaths(StaticANIObject *ani, int x, int y, int flag1, int *rescount) { return 0; }
    virtual bool setPosImmediate(StaticANIObject *obj, int x, int y) { return false; }
    virtual int method30() { return 0; }
    virtual MessageQueue *startMove(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) { return 0; }
    virtual void setSelFunc(MovArr *(*_callback1)(StaticANIObject *ani, Common::Array<MovItem *> *items, signed int counter)) {}
    virtual bool resetPosition(StaticANIObject *ani, int flag) { return 0; }
    virtual int method40() { return 0; }
    virtual bool canDropInventory(StaticANIObject *ani, int x, int y) { return false; }
    virtual int method48() { return -1; }
    virtual MessageQueue *makeQueue(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) { return 0; }

    void enableLinks(const char *linkName, bool enable);
    MovGraphLink *getLinkByName(const char *name);
};

class MovGraphReact : public CObject {
public:
    PointList _points;

public:
    virtual void setCenter(int x1, int y1, int x2, int y2) {}
    virtual void createRegion() {}
    virtual bool pointInRegion(int x, int y);
};

class MctlItem : public CObject {
public:
    Common::ScopedPtr<MotionController> _motionControllerObj;
    Common::ScopedPtr<MovGraphReact> _movGraphReactObj;
    Common::Array<MctlConnectionPoint *> _connectionPoints;
    int _field_20;
    int _field_24;
    int _field_28;

public:
    MctlItem() : _field_20(0), _field_24(0), _field_28(0) {}
    ~MctlItem() override;
};

class MctlCompound : public MotionController {
public:
    Common::Array<MctlItem *> _motionControllers;

    MctlCompound() { _objtype = kObjTypeMctlCompound; }
    ~MctlCompound() override;

    bool load(MfcArchive &file) override;

    void attachObject(StaticANIObject *obj) override;
    int detachObject(StaticANIObject *obj) override;
    void detachAllObjects() override;
    MessageQueue *startMove(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;
    MessageQueue *makeQueue(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;

    void initMctlGraph();
    MctlConnectionPoint *findClosestConnectionPoint(int ox, int oy, int destIndex, int connectionX, int connectionY, int sourceIndex, double *minDistancePtr);
    void replaceNodeX(int from, int to);

    uint getMotionControllerCount() { return _motionControllers.size(); }
    MotionController *getMotionController(int num) { return _motionControllers[num]->_motionControllerObj.get(); }
};

struct MctlLadderMovementVars {
    int varUpGo;
    int varDownGo;
    int varUpStop;
    int varDownStop;
    int varUpStart;
    int varDownStart;
};

struct MctlLadderMovement {
    int objId;
    int staticIdsSize;
    MctlLadderMovementVars *movVars;
    int *staticIds;
};

class MctlLadder : public MotionController {
public:
    int _ladderX;
    int _ladderY;
    int _ladder_field_14;
    int _width;
    int _height;
    int _ladder_field_20;
    int _ladder_field_24;
    Common::Array<MctlLadderMovement *> _ladmovements;
    AniHandler _aniHandler;

public:
    MctlLadder();
    ~MctlLadder() override;
    int collisionDetection(StaticANIObject *man);

    void attachObject(StaticANIObject *obj) override;
    int detachObject(StaticANIObject *obj) override { return 1; }
    void detachAllObjects() override;
    MessageQueue *startMove(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;
    MessageQueue *makeQueue(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;

    MessageQueue *controllerWalkTo(StaticANIObject *ani, int off);

private:
    int findObjectPos(StaticANIObject *obj);
    bool initMovement(StaticANIObject *ani, MctlLadderMovement *movement);
};

class MovGraphNode : public CObject {
public:
    int _x;
    int _y;
    int _z;
    int16 _field_10;
    int _field_14;

public:
    MovGraphNode() : _x(0), _y(0), _z(0), _field_10(0), _field_14(0) { _objtype = kObjTypeMovGraphNode; }
    bool load(MfcArchive &file) override;
};

class ReactParallel : public MovGraphReact {
    //CRgn _rgn;
    int _x1;
    int _y1;
    int _x2;
    int _y2;
    int _dx;
    int _dy;

public:
    ReactParallel();
    bool load(MfcArchive &file) override;

    void setCenter(int x1, int y1, int x2, int y2) override;
    void createRegion() override;
};

class ReactPolygonal : public MovGraphReact {
    Common::Rect _bbox;
    int _centerX;
    int _centerY;

public:
    ReactPolygonal();

    bool load(MfcArchive &file) override;

    void setCenter(int x1, int y1, int x2, int y2) override;
    void createRegion() override;

    Common::Rect getBBox();
};

class MovGraphLink : public CObject {
 public:
    MovGraphNode *_graphSrc;
    MovGraphNode *_graphDst;
    DWordArray _dwordArray1;
    DWordArray _dwordArray2;
    uint32 _flags;
    int _field_38;
    int _field_3C;
    double _length;
    double _angle;
    MovGraphReact *_movGraphReact;
    Common::String _name;

  public:
    MovGraphLink();
    ~MovGraphLink() override;

    bool load(MfcArchive &file) override;

    void recalcLength();
};
typedef Common::Array<MovGraphLink *> MovGraphLinkList;

struct MovStep {
    int sfield_0;
    MovGraphLink *link;
};

struct MovArr {
    Common::Array<MovStep *> _movSteps;
    int _movStepCount;
    int _afield_8;
    MovGraphLink *_link;
    double _dist;
    Common::Point _point;
};

struct MovItem {
    MovArr *movarr;
    int _mfield_4;
    int _mfield_8;
    int _mfield_C;
};

struct MovGraphItem {
    StaticANIObject *ani;
    int field_4;
    MovArr movarr;
    Common::Array<MovItem *> *mi_movitems;
    int count;
    int field_30;
    int field_34;
    int field_38;
    int field_3C;

    MovGraphItem();
    void free();
};

class MovGraph : public MotionController {
friend class MctlCompound;
friend class MctlGraph;
friend class MotionController;
private:
    typedef ObList<MovGraphNode> NodeList;
    typedef ObList<MovGraphLink> LinkList;
    NodeList _nodes;
    LinkList _links;
    int _field_44;
    Common::Array<MovGraphItem> _items;
    MovArr *(*_callback1)(StaticANIObject *ani, Common::Array<MovItem *> *items, signed int counter);
    AniHandler _aniHandler;

public:
    MovGraph();
    ~MovGraph() override;

    static int messageHandler(ExCommand *cmd);

    bool load(MfcArchive &file) override;

    void attachObject(StaticANIObject *obj) override;
    int detachObject(StaticANIObject *obj) override;
    void detachAllObjects() override;
    Common::Array<MovItem *> *getPaths(StaticANIObject *ani, int x, int y, int flag1, int *rescount) override;
    bool setPosImmediate(StaticANIObject *obj, int x, int y) override;
    MessageQueue *startMove(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;
    void setSelFunc(MovArr *(*_callback1)(StaticANIObject *ani, Common::Array<MovItem *> *items, signed int counter)) override;
    bool resetPosition(StaticANIObject *ani, int flag) override;
    bool canDropInventory(StaticANIObject *ani, int x, int y) override;
    MessageQueue *makeQueue(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;
    virtual MessageQueue *method50(StaticANIObject *ani, MovArr *movarr, int staticsId);

    double putToLink(Common::Point *point, MovGraphLink *link, int fuzzyMatch);
    void recalcLinkParams();
    bool getNearestPoint(int unusedArg, Common::Point *p, MovArr *movarr);
    MovGraphNode *calcOffset(int ox, int oy);
    int getObjectIndex(StaticANIObject *ani);
    Common::Array<MovArr *> *getHitPoints(int x, int y, int *arrSize, int flag1, int flag2);
    void findAllPaths(MovGraphLink *lnk, MovGraphLink *lnk2, MovGraphLinkList &tempObList1, MovGraphLinkList &tempObList2);
    Common::Array<MovItem *> *getPaths(MovArr *movarr1, MovArr *movarr2, int *listCount);
    void genMovItem(MovItem *movitem, MovGraphLink *grlink, MovArr *movarr1, MovArr *movarr2);
    bool getHitPoint(int idx, int x, int y, MovArr *arr, int a6);
    MessageQueue *sub1(StaticANIObject *ani, int x, int y, int a5, int x1, int y1, int a8, int a9);
    MessageQueue *makeWholeQueue(StaticANIObject *ani, MovArr *movarr, int staticsId);
    void setEnds(MovStep *step1, MovStep *step2);
};

class Movement;

struct MG2I {
    int _movementId;
    Movement *_mov;
    int _mx;
    int _my;
};

struct MctlAniSub {
    int _staticsId2;
    int _staticsId1;
    MG2I _walk[3];
    MG2I _turn[4];
    MG2I _turnS[4];
};

struct LinkInfo {
    MovGraphLink *link;
    MovGraphNode *node;
};

struct MctlMQSub {
    int subIndex;
    int x;
    int y;
    int distance;
};

struct MctlMQ {
    int index;
    Common::Point pt1;
    Common::Point pt2;
    int distance1;
    int distance2;
    int subIndex;
    int item1Index;
    Common::Array<MctlMQSub> items;
    int flags;

    MctlMQ() { clear(); }
    void clear();
};

struct MctlAni { // 744
    int _objectId;
    StaticANIObject *_obj;
    MctlAniSub _subItems[4];  // 184
};

class MctlGraph : public MovGraph {
public:
    Common::Array<MctlAni> _items2;

public:
    void attachObject(StaticANIObject *obj) override;
    int detachObject(StaticANIObject *obj) override;
    void detachAllObjects() override;
    MessageQueue *startMove(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;
    MessageQueue *makeQueue(StaticANIObject *subj, int xpos, int ypos, int fuzzyMatch, int staticsId) override;

    int getObjIndex(int objectId);
    int getDirByStatics(int index, int staticsId);
    int getDirByMovement(int index, int movId);
    int getDirByPoint(int idx, StaticANIObject *ani);

    int getDirBySize(MovGraphLink *lnk, int x, int y);
    int getLinkDir(MovGraphLinkList *linkList, int idx, Common::Rect *a3, Common::Point *a4);

    bool fillData(StaticANIObject *obj, MctlAni &item);
    void generateList(MctlMQ &movinfo, MovGraphLinkList *linkList, LinkInfo *lnkSrc, LinkInfo *lnkDst);
    MessageQueue *makeWholeQueue(MctlMQ &mctlMQ);

    MovGraphNode *getHitNode(int x, int y, int strictMatch);
    MovGraphLink *getHitLink(int x, int y, int idx, int fuzzyMatch);
    MovGraphLink *getNearestLink(int x, int y);
    double iterate(LinkInfo *linkInfoSource, LinkInfo *linkInfoDest, MovGraphLinkList *listObj);

    MessageQueue *makeLineQueue(MctlMQ *movinfo);
};

class MctlConnectionPoint : public CObject {
public:
    int _connectionX;
    int _connectionY;
    int _mctlflags;
    int _mctlstatic;
    int16 _mctlmirror;
    Common::ScopedPtr<MessageQueue> _messageQueueObj;
    int _motionControllerObj;

    MctlConnectionPoint();
};

} // End of namespace NGI

#endif /* NGI_MOTION_H */