Maximum CD 2009 February/maximum-cd-2009-02.iso/DiscContents/SMC_1.6_win32.exe/src/overworld/world_layer.h

C/C++ Source or Header | 2008-07-01 | 4.9 KB | 184 lines

/***************************************************************************
 * layer.h  -  header for the corresponding cpp file
 *
 * Copyright (C) 2003 - 2008 Florian Richter
 ***************************************************************************/
/*
   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.

   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 SMC_WORLD_LAYER_H
#define SMC_WORLD_LAYER_H

#include "../core/globals.h"
#include "../objects/movingsprite.h"
#include "../core/obj_manager.h"
#include "../overworld/world_waypoint.h"


/* *** *** *** *** *** *** Layer_Line *** *** *** *** *** *** *** *** *** *** *** */

// Layer Line Point class
// TODO : create a real basic/virtual sprite ?
class cLayer_Line_Point : public cSprite
{
public:
    cLayer_Line_Point( SpriteType ntype );
    virtual ~cLayer_Line_Point( void );

    // copy this sprite
    virtual cLayer_Line_Point *Copy( void ) { return NULL; };

    // save to stream
    virtual void Save_to_Stream( ofstream &file ) {};

    // draw
    virtual void Draw( cSurfaceRequest *request = NULL );

    // editor activation
    virtual void Editor_Activate( void );
    // editor events
    bool Editor_Origin_Key( const CEGUI::EventArgs &event ); // editor origin key up

    float Get_Line_Pos_X( void );
    float Get_Line_Pos_Y( void );

    // line
    void *line;
};

// Overworld Layer Line class
class cLayer_Line
{
public:
    cLayer_Line( void );
    virtual ~cLayer_Line( void );

    // Draw
    void Draw( void );

    // return a normal line
    GL_line Get_Line( void );

    /* Returns the Waypoint on the end of the line(s)
     * if the line continues on another line it is followed to the end
    */
    cWaypoint *Get_End_Waypoint( void );

    // start point
    cLayer_Line_Point *start;
    // end point
    cLayer_Line_Point *end;

    /* animation type
     * 0 = normal walking, 1 = swimming
     */
    unsigned int anim_type;
    // waypoint origin identifier
    unsigned int origin;
};

/* *** *** *** *** *** *** *** Layer *** *** *** *** *** *** *** *** *** *** */

// Layer Line Collision data
class cLine_collision
{
public:
    cLine_collision( void );

    // nearest line pointer
    cLayer_Line *line;
    // nearest line number
    int line_number;
    // position difference
    float difference;
};

// Layer Nearest Line Collision data
class cNearLine_collision
{
public:
    cNearLine_collision( void );

    // nearest line number
    int line_number;
    // line start collision else end collision
    bool start;
};

// Layer Contact Collision data
class cContact_collision
{
public:
    // clear data
    void clear( void );
    // return the best fitting line for the given direction
    int Get_Best_Line( ObjectDirection dir );

    // is there a contact
    bool contact;
    // horizontal line contact
    cLine_collision line_hor;
    // vertical line contact
    cLine_collision line_ver;
};

typedef vector<cLayer_Line *> LayerLineList;

// Layer class
// handles the line collision detection
class cLayer : public CEGUI::XMLHandler, public cObject_Manager<cLayer_Line>
{
public:
    cLayer( void );
    virtual ~cLayer( void );

    // Load from file
    void Load( string filename );

    // Save
    bool Save( string filename );

    // Draw the lines and waypoints
    void Draw( void );

    /* Returns the colliding Line start point
     * if not found returns NULL
    */
    cLayer_Line *Get_Line_Collision_Start( GL_rect *line_rect );
    /* Returns the colliding Line from the given position and the added direction size
     * if not found returns a NULL line in the class
    */
    cLine_collision Get_Line_Collision_Direction( float x, float y, ObjectDirection dir, float dir_size = 15, unsigned int check_size = 10 );

    /* Return the collision data between the nearest line and the given position
     * check_size is maximum size for both direction checking lines
     * if only_origin_id is set only checks lines with the given id
    */
    cLine_collision Get_Nearest( float x, float y, ObjectDirection dir = DIR_HORIZONTAL, unsigned int check_size = 15, int only_origin_id = -1 );
    // Return the collision data between the given line and position
    cLine_collision Get_Nearest_Line( cLayer_Line *map_layer_line, float x, float y, ObjectDirection dir = DIR_HORIZONTAL, unsigned int check_size = 15 );

private:
    // XML element start
    virtual void elementStart( const CEGUI::String &element, const CEGUI::XMLAttributes &attributes );
    // XML element end
    virtual void elementEnd( const CEGUI::String &element );

    // handles a line
    void handle_line( const CEGUI::XMLAttributes &attributes );

    // XML element Property list
    CEGUI::XMLAttributes xml_attributes;
};

/* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */

#endif