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

/*

    File:       GLMain.cpp

    Project:    Carbon GLSnapshot

    Contains:   Implementation for the main application

    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.

*/

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

#include "GLMain.h"

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

// Main Function                                //

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

int main(void)

{

    pMainWindow = windowInitialize(&mainWindow);

    InitializeGL(&mainWindow);

    InitializeControls();

    InstallEventHandlers();

    RunApplicationEventLoop();

    windowDestroy(&mainWindow);

    Shutdown();

    ExitToShell();

    return 0;

}

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

// Global Function Definitions                          //

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

void InitializeGL(GLWindow *glw)

{

    OSStatus err = noErr;

    int i = 0;

    // LIGHT PROPERTIES

    // Material

    GLfloat mat_spec[] = {0.5, 0.5, 0.5, 1.0};

    GLfloat mat_shine[] = {0.5};

    // Position

    GLfloat light_pos[] = {0.0, 0.0, -500.0, 0.0};

    // Color

    GLfloat light_color[] = {1.0, 1.0, 1.0, 0.5};

    if(glw == NULL)

    return; // FIXME: Should report an error

    // Set up our pixel format

    glw->glData.glAttribs[i++] = AGL_RGBA; 

    glw->glData.glAttribs[i++] = AGL_DOUBLEBUFFER;

    glw->glData.glAttribs[i++] = AGL_DEPTH_SIZE;

    glw->glData.glAttribs[i++] = 32;

    //glw->glData.glAttribs[i++] = AGL_PIXEL_SIZE;

    //glw->glData.glAttribs[i++] = 32;  

    glw->glData.glAttribs[i++] = AGL_ACCELERATED;

    glw->glData.glAttribs[i++] = AGL_NONE; 

    glw->glData.pxlfmt = aglChoosePixelFormat(NULL, 0, glw->glData.glAttribs);

    glw->glCtx = aglCreateContext(glw->glData.pxlfmt, NULL);

    err = aglSetDrawable(glw->glCtx, GetWindowPort(glw->pWin));

    if(err == GL_FALSE)

        SysBeep(100);

    err = aglSetCurrentContext(glw->glCtx);

    if(err == GL_FALSE)

        SysBeep(100);

    aglDestroyPixelFormat(glw->glData.pxlfmt);

    // Material specification commands    

    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_spec);

    glMaterialfv(GL_FRONT, GL_SHININESS, mat_shine);

    // Light specification commands

    glLightfv(GL_LIGHT0, GL_POSITION, light_pos);

    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_color);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_color);

    // Light enablers

    //glEnable(GL_LIGHTING);

    //glEnable(GL_LIGHT0);

    // Default shading model

    glShadeModel(GL_SMOOTH);

    //glEnable(GL_NORMALIZE);

    // Depth Buffer Operations

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    // Face culling

    glFrontFace(GL_CCW);

    glEnable(GL_CULL_FACE);

    glCullFace(GL_FRONT);

    // Alpha Channel Operations

    //glEnable(GL_ALPHA_TEST);

    //glAlphaFunc();

    // Blending Operations

    //glEnable(GL_BLEND);

    //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    //glBlendEquation();

    // Fog Operations

    //glEnable(GL_FOG);

    // Finally, get the camera initialized

    cameraInitialize(&glw->glCam, glw->pWin);

}

MenuHandle InitializeMenu(void)

{

    InitCursor();

    // Init Menus

    theMenu = NewMenu (kMenuApple, "\p\024");   // new  apple menu

    InsertMenu (theMenu, 0);            // add menu to end

    theMenu = NewMenu (kMenuFile, "\pFile");    // new menu

    InsertMenu (theMenu, 0);            // add menu to end

    AppendMenu (theMenu, "\pQuit/Q");       // add items

    SetMenuItemCommandID(theMenu, 1, 'quit');

    DrawMenuBar();

    return theMenu;

}

void Render(GLWindow *glw)

{

    // This is our main rendering loop

    renderTestCube(glw);

}

void Shutdown(void)

{

    // Remove and dispose of our timers

    RemoveEventLoopTimer(renderTimer);

    if(snapshotTimer)

    RemoveEventLoopTimer(snapshotTimer);    

    DisposeEventLoopTimerUPP(renderTimerUPP);

    if(snapshotTimerUPP)

    DisposeEventLoopTimerUPP(snapshotTimerUPP);

    // Remove our other handlers

    DisposeEventHandlerUPP(appCommandProcessor);

    DisposeEventHandlerUPP(windowEventProcessor);

    DisposeEventHandlerUPP(menuEventProcessor);

    DisposeEventHandlerUPP(controlEventProcessor);

}

void InitializeControls(void)

{

    ControlID ctrlID;

    ctrlID.id = kCGLSButtonSnapshotID;

    ctrlID.signature = kCGLSButtonSnapshot;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &buttonSnapshot);

    ctrlID.id = kCGLSButtonSequenceID;

    ctrlID.signature = kCGLSButtonSequence;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &buttonSequence);

    ctrlID.id = kCGLSButtonStartID;

    ctrlID.signature = kCGLSButtonStart;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &buttonStart);

    ctrlID.id = kCGLSTextFieldTimeIntervalID;

    ctrlID.signature = kCGLSTextFieldTimeInterval;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &sequenceTimeInterval);

    ctrlID.id = kCGLSTextFieldFrameCount1ID;

    ctrlID.signature = kCGLSTextFieldFrameCount1;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &sequenceFrameCount);

    ctrlID.id = kCGLSTextFieldElapsedTimeID;

    ctrlID.signature = kCGLSTextFieldElapsedTime;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &movieTimeLimit);

    ctrlID.id = kCGLSTextFieldFrameCount2ID;

    ctrlID.signature = kCGLSTextFieldFrameCount2;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &movieFrameCount);

    ctrlID.id = KCGLSFramesCapturedCountID;

    ctrlID.signature = KCGLSFramesCapturedCount;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &movieFramesCapturedCounter);

    ctrlID.id = KCGLSProgressBarID;

    ctrlID.signature = kCGLSProgressBar;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &movieProgressBar);

    ctrlID.id = kCGLSSwitchTimeLimitID;

    ctrlID.signature = kCGLSSwitchTimeLimit;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &movieSwitchUseTimeLimit);

    ctrlID.id = kCGLSSwitchFrameLimitID;

    ctrlID.signature = kCGLSSwitchFrameLimit;

    GetControlByID(mainWindow.supportWindow, &ctrlID, &movieSwitchUseFrameLimit);

/*

static void SetControlText (WindowRef window, OSType sig, SInt32 id, char * text)

{

ControlID idControl;

ControlRef control;

idControl.signature = sig;

idControl.id = id;

GetControlByID (window, &idControl, &control);

SetControlData (control, kControlNoPart, kControlStaticTextTextTag, strlen (text), text);

}

*/

}