Xcode/TemplatesForProjectBuilder/SDL Custom Cocoa Application/MyController.m
author Bob Pendleton <bob@pendleton.com>
Wed, 25 Jul 2007 21:23:28 +0000
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//
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//  MyController.m
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//  SDL Custom Cocoa App
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//
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//  Created by Darrell Walisser on Fri Jul 18 2003.
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//  Copyright (c) 2003 __MyCompanyName__. All rights reserved.
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//
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#import "MyController.h"
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#import "SDL.h"
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id gController;
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@implementation MyController
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- (id)init
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{
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    self = [ super init ];
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    if (self) {
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        _nSprites = 10;
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        _max_speed = 4;
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        _doFlip = 0;
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        _mem = NULL;
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        _screen = NULL;
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        _sprite_rects = NULL;
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        _positions = NULL;
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        _velocities = NULL;
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        _sprites_visible = 1;
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        _sprite_w = 0;
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        _sprite_h = 0;
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        _mouse_x = 0;
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        _mouse_y = 0;
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    }
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    return self;
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}
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- (void)setupCocoaWindow
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{
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    // If you want the close button to send SDL_Quit,
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    // you can attach the SDL_QuartzWindowDelegate to the window
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    [ _window setDelegate:
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        [ [ [ SDL_QuartzWindowDelegate alloc ] init ] autorelease ] ];
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    // Make the window visible and the frontmost window
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    [ _window makeKeyAndOrderFront:nil ];
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    // Make the window accept passive motion events (when the button is released)
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    [ _window setAcceptsMouseMovedEvents:YES ];
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}
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- (void)setCocoaEnvironmentVariables
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{
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    // Export cocoa objects to environment
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    // SDL will use these when you call SDL_SetVideoMode
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    // 	The window must be visible when you call SDL_SetVideoMode,
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    // 	and the view must lie completely within the window.
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    //
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    //  The width and height passed to SDL_SetVideoMode should match
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    //  the width/height of the view (the window can be any size)
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    //
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    // 	For resizing to work, you must set the appropriate
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    // 	attributes on the window and view. Then the SDL_RESIZABLE
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    //  flag will be set automatically
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    //
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    //  SDL will retain a reference to the window, and
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    //  will release it when unsetting the video mode
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    //
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    //  The view is not retained (the window object manages this).
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    //
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    char buffer[256];
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    printf ("NSWindow=%p\n", _window);
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    sprintf (buffer, "%d", (int)_window);
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    setenv ("SDL_NSWindowPointer", buffer, 1);
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    printf ("NSQuickDrawView=%p\n", _view);
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    sprintf (buffer, "%d", (int)_view);
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    setenv ("SDL_NSQuickDrawViewPointer", buffer, 1);
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    // Also tell SDL to pass keyboard events to Cocoa
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    // In this case, Cocoa will get the event before SDL_PollEvent returns it
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    // Note that mouse events (button, motion) will always be passed, regardless of this setting
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    setenv ("SDL_ENABLEAPPEVENTS", "1", 1);
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}
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- (void)printFlags:(Uint32)flags withName:(const char*)name
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{
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    printf ("%s", name);
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    if (flags & SDL_SWSURFACE)
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        printf (" - SDL_SWSURFACE");
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    if (flags & SDL_HWSURFACE)
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        printf (" - SDL_HWSURFACE");
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    if (flags & SDL_ASYNCBLIT)
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        printf (" - SDL_ASYNCBLIT");
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    if (flags & SDL_ANYFORMAT)
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        printf (" - SDL_ANYFORMAT");
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    if (flags & SDL_HWPALETTE)
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        printf (" - SDL_HWPALETTE");
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    if (flags & SDL_DOUBLEBUF)
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        printf (" - SDL_DOUBLEBUF");
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    if (flags & SDL_FULLSCREEN)
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        printf (" - SDL_FULLSCREEN");
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    if (flags & SDL_OPENGL)
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        printf (" - SDL_OPENGL");
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    if (flags & SDL_OPENGLBLIT)
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        printf (" - SDL_OPENGLBLIT");
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    if (flags & SDL_RESIZABLE)
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        printf (" - SDL_RESIZABLE");
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    if (flags & SDL_NOFRAME)
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        printf (" - SDL_NOFRAME");
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    printf ("\n");
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}
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// This is a way of telling whether or not to use hardware surfaces
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// Note: this does nothing on Mac OS X at the moment - there is no
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// hardware-accelerated blitting support.
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- (Uint32)fastestFlags:(Uint32)flags :(int)width :(int)height :(int)bpp
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{
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	const SDL_VideoInfo *info;
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	// Hardware acceleration is only used in fullscreen mode
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	flags |= SDL_FULLSCREEN;
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	// Check for various video capabilities
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	info = SDL_GetVideoInfo();
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	if ( info->blit_hw_CC && info->blit_fill ) {
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		// We use accelerated colorkeying and color filling
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		flags |= SDL_HWSURFACE;
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	}
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	// If we have enough video memory, and will use accelerated
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	//   blits directly to it, then use page flipping.
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	if ( (flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
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        // Direct hardware blitting without double-buffering
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		// causes really bad flickering.
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		if ( info->video_mem*1024 > (height*width*bpp/8) ) {
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			flags |= SDL_DOUBLEBUF;
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		} else {
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			flags &= ~SDL_HWSURFACE;
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		}
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	}
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	// Return the flags
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	return flags;
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}
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- (int)loadSpriteFromFile:(const char*)file
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{
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	SDL_Surface *temp;
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	// Load the sprite image
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	_sprite = SDL_LoadBMP (file);
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	if ( _sprite == NULL ) {
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		fprintf (stderr, "Couldn't load %s: %s", file, SDL_GetError ());
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		return (-1);
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	}
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	// Set transparent pixel as the pixel at (0,0)
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	if ( _sprite->format->palette ) {
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		SDL_SetColorKey (_sprite, (SDL_SRCCOLORKEY|SDL_RLEACCEL),
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						 *(Uint8 *)_sprite->pixels);
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	}
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	/* Convert sprite to video format */
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	temp = SDL_DisplayFormat (_sprite);
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	SDL_FreeSurface (_sprite);
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	if ( temp == NULL ) {
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		fprintf(stderr, "Couldn't convert background: %s\n",
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                SDL_GetError ());
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		return (-1);
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	}
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	_sprite = temp;
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	// We're ready to roll. :)
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	return 0;
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}
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- (void)allocSprites
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{
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    /* Allocate memory for the sprite info */
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	_mem = (Uint8 *)malloc (4*sizeof(SDL_Rect)*_nSprites);
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	if ( _mem == NULL ) {
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		fprintf (stderr, "Out of memory!\n");
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		exit (2);
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	}
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	_sprite_rects = (SDL_Rect *)_mem;
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	_positions = _sprite_rects;
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	_sprite_rects += _nSprites;
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	_velocities = _sprite_rects;
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	_sprite_rects += _nSprites;
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	_sprite_w = _sprite->w;
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	_sprite_h = _sprite->h;
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}
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- (void)freeSprites
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{
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    free (_mem);
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    _mem = NULL;
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}
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- (void)initSprites
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{
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    // Give each sprite a random starting position and velocity
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    int i;
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	srand(time(NULL));
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	for ( i=0; i < _nSprites; ++i ) {
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		_positions[i].x = rand()%(_screen->w - _sprite->w);
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		_positions[i].y = rand()%(_screen->h - _sprite->h);
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		_positions[i].w = _sprite->w;
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		_positions[i].h = _sprite->h;
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		_velocities[i].x = 0;
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		_velocities[i].y = 0;
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		while ( ! _velocities[i].x && ! _velocities[i].y ) {
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			_velocities[i].x = (rand()%(_max_speed*2+1)) - _max_speed;
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			_velocities[i].y = (rand()%(_max_speed*2+1)) - _max_speed;
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		}
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	}
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}
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- (void)moveSprites:(int)backgroundColor;
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{
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	int i, nupdates;
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	SDL_Rect area, *position, *velocity;
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	nupdates = 0;
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	// Erase all the sprites if necessary
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	if ( _sprites_visible ) {
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		SDL_FillRect (_screen, NULL, backgroundColor);
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	}
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	// Move the sprite, bounce at the wall, and draw
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	for ( i=0; i < _nSprites; ++i ) {
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		position = &_positions[i];
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		velocity = &_velocities[i];
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		position->x += velocity->x;
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		if ( (position->x < 0) || (position->x >= (_screen->w - _sprite_w)) ) {
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			velocity->x = -velocity->x;
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			position->x += velocity->x;
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		}
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		position->y += velocity->y;
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		if ( (position->y < 0) || (position->y >= (_screen->h - _sprite_w)) ) {
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			velocity->y = -velocity->y;
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			position->y += velocity->y;
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		}
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		// Blit the sprite onto the screen
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		area = *position;
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		SDL_BlitSurface (_sprite, NULL, _screen, &area);
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		_sprite_rects[nupdates++] = area;
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	}
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	// Update the screen!
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	if ( _doFlip ) {
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		SDL_Flip (_screen);
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	} else {
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		SDL_UpdateRects (_screen, nupdates, _sprite_rects);
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	}
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	_sprites_visible = 1;
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}
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- (int)run:(int)argc argv:(char*[])argv
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{
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	int width, height;
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	Uint8  video_bpp;
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	Uint32 videoflags;
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	Uint32 background;
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	int    done;
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	SDL_Event event;
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    Uint32 then, now, frames;
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	// Initialize SDL
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	if ( SDL_Init (SDL_INIT_VIDEO) < 0 ) {
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		fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
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		exit (1);
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	}
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	atexit(SDL_Quit);
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	videoflags = SDL_SWSURFACE|SDL_ANYFORMAT;
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	width = 640;
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	height = 480;
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	video_bpp = 8;
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	while ( argc > 1 ) {
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		--argc;
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		if ( strcmp(argv[argc-1], "-width") == 0 ) {
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			width = atoi (argv[argc]);
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			--argc;
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		} else
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		if ( strcmp(argv[argc-1], "-height") == 0 ) {
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			height = atoi (argv[argc]);
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			--argc;
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		} else
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		if ( strcmp(argv[argc-1], "-bpp") == 0 ) {
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			video_bpp = atoi (argv[argc]);
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			videoflags &= ~SDL_ANYFORMAT;
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			--argc;
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		} else
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		if ( strcmp (argv[argc], "-fast") == 0 ) {
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			videoflags = [ self fastestFlags:videoflags :width :height :video_bpp ];
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		} else
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		if ( strcmp (argv[argc], "-hw") == 0 ) {
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			videoflags ^= SDL_HWSURFACE;
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		} else
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		if ( strcmp (argv[argc], "-flip") == 0 ) {
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			videoflags ^= SDL_DOUBLEBUF;
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		} else
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		if ( strcmp (argv[argc], "-fullscreen") == 0 ) {
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			videoflags ^= SDL_FULLSCREEN;
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		} else
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		if ( isdigit(argv[argc][0]) ) {
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			_nSprites = atoi (argv[argc]);
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		} else {
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			fprintf (stderr, 
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	"Usage: %s [-bpp N] [-hw] [-flip] [-fast] [-fullscreen] [numSprites]\n",
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								argv[0]);
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			exit (1);
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		}
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	}
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   324
    
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    // The width/height passed to SDL_SetVideoMode should match the size of the NSView
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    width = [ _view frame ].size.width;
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    height = [ _view frame ].size.height;
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    videoflags &= ~SDL_FULLSCREEN; // this only for windowed mode
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   329
    if ( [ _window styleMask ] & NSResizableWindowMask ) // enable resizable window
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        videoflags |= SDL_RESIZABLE;
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   331
    [ self setupCocoaWindow ];
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    [ self setCocoaEnvironmentVariables ];
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   333
    _mouse_x = width/2;
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   334
    _mouse_y = width/2;
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   335
    
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	// Set video mode
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	_screen = SDL_SetVideoMode (width, height, video_bpp, videoflags);
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   338
	if ( ! _screen ) {
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   339
		fprintf (stderr, "Couldn't set %dx%d video mode: %s\n",
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                    width, height, SDL_GetError());
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   341
		exit (2);
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   342
	}
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   343
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	// Print out surface info
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   345
	[ self printFlags:videoflags     withName:"Requested flags: " ];
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   346
	[ self printFlags:_screen->flags withName:"Got flags:       " ];
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   347
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	// Load the sprite
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	// The sprite is located in the Resources section of the .app bundle. 
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   350
	// SDL does not seem aware of bundle paths, so we must construct the path manually.
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   351
	NSString* resource_path = [[NSBundle mainBundle] resourcePath];
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   352
	NSString* icon_path = [resource_path stringByAppendingString:@"/icon.bmp"];
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   353
	if ( [ self loadSpriteFromFile:[icon_path UTF8String] ] < 0 ) {
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   354
		exit (1);
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   355
	}
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   356
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   357
    [ self allocSprites ];
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   358
    [ self initSprites ];
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   359
    
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   360
	background = SDL_MapRGB (_screen->format, 0x00, 0x00, 0x00);
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   361
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   362
	// Print out information about our surfaces
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   363
	printf("Screen is at %d bits per pixel\n", _screen->format->BitsPerPixel);
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   364
	if ( (_screen->flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
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diff changeset
   365
		printf ("Screen is in video memory\n");
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diff changeset
   366
	} else {
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   367
		printf ("Screen is in system memory\n");
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diff changeset
   368
	}
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   369
	if ( (_screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
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   370
		printf ("Screen has double-buffering enabled\n");
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diff changeset
   371
	}
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   372
	if ( (_sprite->flags & SDL_HWSURFACE) == SDL_HWSURFACE ) {
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diff changeset
   373
		printf ("Sprite is in video memory\n");
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diff changeset
   374
	} else {
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   375
		printf ("Sprite is in system memory\n");
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diff changeset
   376
	}
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diff changeset
   377
    
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   378
	// Run a sample blit to trigger blit acceleration
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diff changeset
   379
	{ 
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diff changeset
   380
        SDL_Rect dst;
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   381
		dst.x = 0;
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diff changeset
   382
		dst.y = 0;
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diff changeset
   383
		dst.w = _sprite->w;
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diff changeset
   384
		dst.h = _sprite->h;
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diff changeset
   385
		SDL_BlitSurface (_sprite, NULL, _screen, &dst);
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diff changeset
   386
		SDL_FillRect (_screen, &dst, background);
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diff changeset
   387
	}
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diff changeset
   388
	if ( (_sprite->flags & SDL_HWACCEL) == SDL_HWACCEL ) {
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parents:
diff changeset
   389
		printf("Sprite blit uses hardware acceleration\n");
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diff changeset
   390
	}
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diff changeset
   391
	if ( (_sprite->flags & SDL_RLEACCEL) == SDL_RLEACCEL ) {
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diff changeset
   392
		printf("Sprite blit uses RLE acceleration\n");
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parents:
diff changeset
   393
	}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
	// Loop, blitting sprites and waiting for a keystroke
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
	frames = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
	then = SDL_GetTicks();
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
	done = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
	_sprites_visible = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
	while ( !done ) {
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
		// Check for events
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
		++frames;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
		while ( SDL_PollEvent(&event) ) {
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
			switch (event.type) {
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
				
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
                case SDL_VIDEORESIZE:
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
                    // Recreate the video mode. Use the same bpp and flags
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
                    // that the original window was created with
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
                    _screen = SDL_SetVideoMode (event.resize.w, event.resize.h,
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
                                                video_bpp, videoflags);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
                    // Clear screen and reinit sprite positions
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
                    SDL_FillRect (_screen, NULL, 0);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
                    [ self initSprites ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
                    break;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
               
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
                case SDL_MOUSEMOTION:
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
                    _velocities[_nSprites-1].x = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
                    _velocities[_nSprites-1].y = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
                    _positions[_nSprites-1].x = event.motion.x - _sprite->w/2;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
                    _positions[_nSprites-1].y = event.motion.y - _sprite->h/2;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
                    //printf ("motion: %d %d\n", event.motion.x, event.motion.y);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
                    break;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
                
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
                case SDL_MOUSEBUTTONDOWN:
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
                    _velocities[_nSprites-1].x = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
                    _velocities[_nSprites-1].y = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
                    _positions[_nSprites-1].x = event.button.x;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
                    _positions[_nSprites-1].y = event.button.y;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
                    //printf ("button: %d %d\n", event.button.x, event.button.y);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
					break;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
				
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
                case SDL_KEYDOWN:
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
                
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
					// Escape also quits the app
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
                    if (event.key.keysym.sym == SDLK_ESCAPE)
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
                        done = 1;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
                    // Control-W warps the cursor
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
                    if (event.key.keysym.sym == SDLK_w &&
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
                        ( SDL_GetModState () & KMOD_LCTRL ) )
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
                        SDL_WarpMouse (_screen->w/2, _screen->h/2);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
                    // Control-G toggles input grabbing
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
                    if (event.key.keysym.sym == SDLK_g &&
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
                        ( SDL_GetModState () & KMOD_LCTRL ) )
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
                        if ( SDL_WM_GrabInput (SDL_GRAB_QUERY) == SDL_GRAB_OFF )
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
                            SDL_WM_GrabInput (SDL_GRAB_ON);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
                        else
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
                            SDL_WM_GrabInput (SDL_GRAB_OFF);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
                    break;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
                    
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
				case SDL_QUIT:
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
					done = 1;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
					break;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
				default:
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
					break;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
			}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
		}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
        
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
        // Draw sprites
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
        [ self moveSprites:background ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
        
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
        // Update fps counter every 100 frames
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
        if ((frames % 100) == 0) {
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
            now = SDL_GetTicks ();
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
            [ _framesPerSecond setFloatValue:((float)frames*1000)/(now-then) ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
            frames = 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
            then = now;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
        }
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
	}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
	[ self freeSprites ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
    SDL_FreeSurface (_sprite);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
	SDL_Quit ();
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
	return 0;
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
- (IBAction)changeNumberOfSprites:(id)sender
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
{
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    [ _numSprites setIntValue:[ sender intValue ] ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
    [ self freeSprites ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
    _nSprites = [ sender intValue ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
    [ self allocSprites ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
    [ self initSprites ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
    SDL_FillRect (_screen, NULL, 0);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
    SDL_Flip (_screen);
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
- (IBAction)selectUpdateMode:(id)sender
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
{
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
    _doFlip = ![ sender selectedRow ]; // row is 0 or 1
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
}
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
@end
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
int main(int argc, char *argv[])
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
{
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
    // Hand off to instance of MyController
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
    // This instance is created when SDLMain.nib is loaded,
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
    // and the global variable is set in [SDLMain applicationDidFinishLaunching:]
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
    return [ gController run:argc argv:argv ];
d63e9f5944ae Unpacked project archives to get individual file history in subversion
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
}