///////////////////////////////////////////////////////////////////////////////////

/*

    File:       GLDataStructs.h

    Project:    Carbon GLSnapshot

    Contains:   Data structures for the use with OpenGL

            Also defines some constants used in this project

    Author:     Todd Previte

    Copyright:  2001 Apple Computer, Inc., All Rights Reserved

    Copyright:  (c) 2002 Apple Computer, Inc., All Rights Reserved

    Disclaimer: 

    IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.

    ("Apple") in consideration of your agreement to the following terms, and your

    use, installation, modification or redistribution of this Apple software

    constitutes acceptance of these terms.  If you do not agree with these terms,

    please do not use, install, modify or redistribute this Apple software.

    In consideration of your agreement to abide by the following terms, and subject

    to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs

    copyrights in this original Apple software (the "Apple Software"), to use,

    reproduce, modify and redistribute the Apple Software, with or without

    modifications, in source and/or binary forms; provided that if you redistribute

    the Apple Software in its entirety and without modifications, you must retain

    this notice and the following text and disclaimers in all such redistributions of

    the Apple Software.  Neither the name, trademarks, service marks or logos of

    Apple Computer, Inc. may be used to endorse or promote products derived from the

    Apple Software without specific prior written permission from Apple.  Except as

    expressly stated in this notice, no other rights or licenses, express or implied,

    are granted by Apple herein, including but not limited to any patent rights that

    may be infringed by your derivative works or by other works in which the Apple

    Software may be incorporated.

    The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

    WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

    WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

    COMBINATION WITH YOUR PRODUCTS.

    IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

    GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

    OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

    (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

    ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

///////////////////////////////////////////////////////////////////////////////////

#ifndef __GLDATASTRUCTS

#define __GLDATASTRUCTS

#include "GLHeaders.h"

#include "DataTypes.h"

//////////////////////////////////////////////////////////////////////////////////

// Constants                                    //

//////////////////////////////////////////////////////////////////////////////////

#define DEFAULT_HT  480

#define DEFAULT_WD  640

#define MAXVIEWS    4

#define WINTOP      100

#define WINLEFT     100

#define WINBOTTOM   DEFAULT_HT + 100

#define WINRIGHT    DEFAULT_WD + 100

#define MAXFONTS    64

#define USE_VERTEX_ARRAY    1

#define ENABLE_LIGHT        0

#define USE_PERSPECTIVE     1

#define VIEW_DEBUG      1

#define RENDER_CUBE     0

#define RENDER_AXIS     1

//////////////////////////////////////////////////////////////////////////////

// Menu definitions                                                         //

//////////////////////////////////////////////////////////////////////////////

enum 

{

    kMenuApple = 128,

    kMenuFile = 129,

};

//////////////////////////////////////////////////////////////////////////////

// Data Structures                                                          //

//////////////////////////////////////////////////////////////////////////////

struct GLRect

{

    uint32  x;

    uint32  y;

    uint32  width;

    uint32  height;

    Point2D center;

};

typedef struct GLRect GLRect;

struct Light

{

    Point3D position;

    int32   index;

    int32   lightParams;

};

typedef struct Light Light;

struct GLInfo

{

    GLRect          glDims;

    uint16          depthSize;

    uint16          colorSize;

    uint32          VRAMavilable;

    uint32          VRAMrequired;

    GLint           glAttribs[64];

    AGLPixelFormat      pxlfmt;

    bool            glFullScreen;

    bool            glAccel;

};

typedef struct GLInfo GLInfo;

struct GLCamera

{

        GLint       h,w;

        Point3D     camPosition;

    GLdouble    camAngle;

    GLdouble    aspectRatio;

    GLdouble    fov;

    GLdouble    hFrac, vFrac;

    GLdouble    viewVolume[6];  // left, right, bottom, top, near, far

                                        // Can be used with glOrtho or glFrustum

};

typedef struct GLCamera GLCamera;

struct GLFont

{

    GLuint  fontList;

    char    fontName[128];

    uint32  fontID;

    Style   fontStyle;

    uint32  fontSize;

};

typedef struct GLFont GLFont;

typedef struct

{

    // Mac stuff

    IBNibRef        nibRef;     // Reference to a nib file  

    WindowPtr       pWin;       // The basic window pointer

    Rect        winRect;    // Window rect

    MenuHandle      theMenu;    // Handle to the menu for this window

    WindowPtr       supportWindow;  // pointer to a support window (control pane)

    // Basic data

    unsigned long   winH;       // Window Height

    unsigned long   winW;       // Window Width

    GLInfo      glData;     // OpenGL information

    AGLContext      glCtx;      // A Carbon AGL context

    GLCamera        glCam;      // Our camera

    Point       mouseDelta; // Current mouse delta values

    Point       mousePosition;  // Current mouse position values

}GLWindow;

//typedef struct GLWindow GLWindow;

#endif