ebiten/ui/cocoa/mainloop.c

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// -*- objc -*-
#include <stdlib.h>
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#include <OpenGL/gl.h>
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#import "ebiten_controller.h"
#import "ebiten_window.h"
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void StartApplication() {
EbitenController* controller = [[EbitenController alloc] init];
NSApplication* app = [NSApplication sharedApplication];
[app setActivationPolicy:NSApplicationActivationPolicyRegular];
[app setDelegate:controller];
[app finishLaunching];
[app activateIgnoringOtherApps:YES];
}
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void* CreateGLContext(void* sharedGLContext) {
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NSOpenGLPixelFormatAttribute attributes[] = {
NSOpenGLPFAWindow,
NSOpenGLPFADoubleBuffer,
NSOpenGLPFAAccelerated,
NSOpenGLPFADepthSize, 32,
0,
};
NSOpenGLPixelFormat* format = [[NSOpenGLPixelFormat alloc]
initWithAttributes:attributes];
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NSOpenGLContext* glContext =
[[NSOpenGLContext alloc] initWithFormat:format
shareContext:(NSOpenGLContext*)sharedGLContext];
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[format release];
return glContext;
}
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void SetCurrentGLContext(void* glContext) {
[(NSOpenGLContext*)glContext makeCurrentContext];
}
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void* CreateWindow(size_t width, size_t height, const char* title, void* sharedGLContext) {
NSOpenGLContext* glContext = CreateGLContext(sharedGLContext);
[glContext makeCurrentContext];
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NSSize size = NSMakeSize(width, height);
EbitenWindow* window = [[EbitenWindow alloc]
initWithSize:size
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glContext:glContext];
[window setTitle: [[NSString alloc]
initWithUTF8String:title]];
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[window makeKeyAndOrderFront:nil];
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[(NSOpenGLContext*)glContext setView:[window contentView]];
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return window;
}
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void PollEvents(void) {
for (;;) {
NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask
untilDate:[NSDate distantPast]
inMode:NSDefaultRunLoopMode
dequeue:YES];
if (event == nil) {
break;
}
[NSApp sendEvent:event];
}
}
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void BeginDrawing(void* window) {
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[[(EbitenWindow*)window glContext] makeCurrentContext];
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glClear(GL_COLOR_BUFFER_BIT);
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}
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void EndDrawing(void* window) {
[[(EbitenWindow*)window glContext] flushBuffer];
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}