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_window.h"
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void initMenu(void) {
NSString* processName = [[NSProcessInfo processInfo] processName];
NSMenu* menuBar = [NSMenu new];
[NSApp setMainMenu: menuBar];
NSMenuItem* rootMenuItem = [NSMenuItem new];
[menuBar addItem:rootMenuItem];
NSMenu* appMenu = [NSMenu new];
[rootMenuItem setSubmenu:appMenu];
[appMenu addItemWithTitle:[@"Quit " stringByAppendingString:processName]
action:@selector(performClose:)
keyEquivalent:@"q"];
}
void StartApplication(void) {
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NSApplication* app = [NSApplication sharedApplication];
[app setActivationPolicy:NSApplicationActivationPolicyRegular];
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initMenu();
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[app finishLaunching];
}
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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* CreateWindow(size_t width, size_t height, const char* title, void* glContext_) {
NSOpenGLContext* glContext = (NSOpenGLContext*)glContext_;
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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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static BOOL initialBoot = YES;
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if (initialBoot) {
[NSApp activateIgnoringOtherApps:YES];
initialBoot = NO;
}
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}
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void UseGLContext(void* glContextPtr) {
NSOpenGLContext* glContext = (NSOpenGLContext*)glContextPtr;
CGLContextObj cglContext = [glContext CGLContextObj];
CGLLockContext(cglContext);
[glContext makeCurrentContext];
}
void UnuseGLContext(void) {
NSOpenGLContext* glContext = [NSOpenGLContext currentContext];
[glContext flushBuffer];
[NSOpenGLContext clearCurrentContext];
CGLContextObj cglContext = [glContext CGLContextObj];
CGLUnlockContext(cglContext);
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}
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void* GetGLContext(void* window) {
return [(EbitenWindow*)window glContext];
}
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void BeginDrawing(void* window) {
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// TODO: CGLLock
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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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}