/*
* Copyright (c) 2012 Jonathan Schleifer <js@webkeks.org>
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the
* use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1.) The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2.) Altered source versions must be plainly marked as such, and must not
* be misrepresented as being the original software.
* 3.) This notice may not be removed or altered from any source distribution.
*/
#import "OGKDisplay.h"
static OFMutex *mutex = nil;
static OFMutableArray *displays = nil;
static OFDataArray *allegroDisplays = nil;
@implementation OGKDisplay
+ (void)initialize
{
if (self != [OGKDisplay class])
return;
if (!al_install_system(ALLEGRO_VERSION_INT, NULL))
@throw [OFInitializationFailedException
exceptionWithClass: self];
mutex = [[OFMutex alloc] init];
displays = [[OFMutableArray alloc] init];
allegroDisplays = [[OFDataArray alloc]
initWithItemSize: sizeof(ALLEGRO_DISPLAY*)];
}
+ OGK_displayForAllegroDisplay: (ALLEGRO_DISPLAY*)display
{
[mutex lock];
@try {
ALLEGRO_DISPLAY **cArray = [allegroDisplays cArray];
size_t i, count = [allegroDisplays count];
for (i = 0; i < count; i++)
if (cArray[i] == display)
return displays[i];
} @finally {
[mutex unlock];
}
return nil;
}
- initWithSize: (of_dimension_t)size
position: (of_point_t)position
flags: (ogk_display_flags_t)flags
{
int allegroFlags = 0;
self = [super init];
al_set_new_window_position(position.x, position.y);
if (flags & OGK_DISPLAY_FLAGS_FULLSCREEN)
allegroFlags |= ALLEGRO_FULLSCREEN;
if (flags & OGK_DISPLAY_FLAGS_RESIZABLE)
allegroFlags |= ALLEGRO_RESIZABLE;
if (flags & OGK_DISPLAY_FLAGS_OPENGL)
allegroFlags |= ALLEGRO_OPENGL;
if (flags & OGK_DISPLAY_FLAGS_OPENGL_3)
allegroFlags |= ALLEGRO_OPENGL_3_0;
if (flags & OGK_DISPLAY_FLAGS_OPENGL_3_ONLY)
allegroFlags |= ALLEGRO_OPENGL_FORWARD_COMPATIBLE;
al_set_new_display_flags(allegroFlags);
display = al_create_display(size.width, size.height);
if (display == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
[mutex lock];
@try {
[allegroDisplays addItem: &display];
[displays addObject: self];
} @finally {
[mutex unlock];
}
return self;
}
- (void)dealloc
{
[mutex lock];
@try {
size_t index = [displays indexOfObject: self];
[allegroDisplays removeItemAtIndex: index];
[displays removeObjectAtIndex: index];
} @finally {
[mutex unlock];
}
if (display != NULL)
al_destroy_display(display);
}
- (void)setWindowTitle: (OFString*)title
{
al_set_window_title(display,
[title cStringWithEncoding: OF_STRING_ENCODING_NATIVE]);
}
- (void)setWindowPosition: (of_point_t)position
{
al_set_window_position(display, position.x, position.y);
}
- (of_point_t)windowPosition
{
int x, y;
al_get_window_position(display, &x, &y);
return of_point(x, y);
}
- (void)setSize: (of_dimension_t)size
{
al_resize_display(display, size.width, size.height);
}
- (of_dimension_t)size
{
return of_dimension(
al_get_display_width(display),
al_get_display_height(display));
}
- (void)update
{
al_flip_display();
}
- (ALLEGRO_DISPLAY*)OGK_allegroDisplay
{
return display;
}
@end