dispnode.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/>.
 *
 *
 * Based on the original sources
 *   Faery Tale II -- The Halls of the Dead
 *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
 */

#ifndef SAGA2_DISPNODE_H
#define SAGA2_DISPNODE_H

#include "saga2/idtypes.h"
#include "saga2/rect.h"

namespace Saga2 {

class GameObject;
struct TilePoint;
struct StaticTilePoint;

class Effectron;

enum nodeType {
    kNodeTypeObject = 0,
    kNodeTypeEffect
};


class DisplayNode {
    friend class    DisplayNodeList;
    friend class    SpellDisplayList;
    friend class    GameObject;
    friend ObjectID pickObject(const StaticPoint32 &mouse, StaticTilePoint &objPos);

private:
    DisplayNode             *_nextDisplayed;         // pointer to next in display list
    int16                   _sortDepth;              // for sorting by depth
    GameObject              *_object;                // the object to display
    Point16                 _screenCoords;           // screen coordinates
    Rect16                  _hitBox;                 // hitbox for clicking this item
    uint8                   _flags;                  // various flags

    enum {
        kDisplayIndicator = (1 << 0)
    };

public:
    nodeType                _type;
    Effectron               *_efx;

    DisplayNode();

    void drawObject();
    void drawEffect();
    void updateObject(const int32 deltaTime);
    void updateEffect(const int32 deltaTime);
    TilePoint SpellPos();
};

/* ============================================================================ *
   Object Display List
 * ============================================================================ */

//  This class is used to form a list of objects to display on
//  the screen.

const int           kMaxDisplayed = 100;

class DisplayNodeList {
    friend ObjectID pickObject(const StaticPoint32 &mouse, StaticTilePoint &objPos);

public:
    uint16              _count;                  // number of entries in list
    DisplayNode         *_displayList;       // table of displayed objects
    static DisplayNode  *_head;              // head of list

    DisplayNodeList(uint16 newSize) {
        _displayList = (DisplayNode *)malloc(sizeof(DisplayNode) * newSize);
        init(newSize);
        _count = 0;
    }
    DisplayNodeList() {
        _displayList = (DisplayNode *)malloc(sizeof(DisplayNode) * kMaxDisplayed);
        init(kMaxDisplayed);
        _count = 0;
    }
    ~DisplayNodeList() {
        free(_displayList);
    }

    void reset() {
        _count = 0;
        _head = NULL;
    }

    void  init(uint16 s);
    void  buildObjects(bool fromScratch);
    void  buildEffects(bool fromScratch);
    void  draw();
    void  updateOStates(const int32 deltaTime);
    void  updateEStates(const int32 deltaTime);
    bool  dissipated();
};

/* ============================================================================ *
   Function prototypes
 * ============================================================================ */

//  Enable or disable the center actor indicator
void setCenterActorIndicator(bool enabled);

} // end of namespace Saga2

#endif