ebiten/mobile/ebitenmobileview/ebitenviewcontroller_ios.m
Hajime Hoshi e6e0e61215 mobile/ebitenmobileview: Add EbitenViewController for iOS
This is still work in progress.

Updates #863
2019-08-17 17:40:26 +09:00

106 lines
2.8 KiB
Objective-C

// Copyright 2019 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build ios
#import <UIKit/UIKit.h>
#import <GLKit/GLkit.h>
#import "ebitenviewcontroller_ios.h"
#include "_cgo_export.h"
@implementation EbitenViewController {
GLKView* glkView_;
}
- (GLKView*)glkView {
if (!glkView_) {
glkView_ = [[GLKView alloc] init];
glkView_.multipleTouchEnabled = YES;
}
return glkView_;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.glkView.delegate = (id<GLKViewDelegate>)(self);
[self.view addSubview: self.glkView];
EAGLContext *context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
[self glkView].context = context;
[EAGLContext setCurrentContext:context];
CADisplayLink *displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(drawFrame)];
[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
}
- (void)viewDidLayoutSubviews {
[super viewDidLayoutSubviews];
CGRect viewRect = [[self view] frame];
int x, y, width, height;
ebitenLayout(viewRect.size.width, viewRect.size.height, &x, &y, &width, &height);
CGRect glkViewRect = CGRectMake(x, y, width, height);
[[self glkView] setFrame:glkViewRect];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
// TODO: Notify this to Go world?
}
- (void)drawFrame{
[[self glkView] setNeedsDisplay];
}
- (void)glkView:(GLKView*)view drawInRect:(CGRect)rect {
const char* err = ebitenUpdate();
if (err != nil) {
NSLog(@"Error: %s", err);
}
}
- (void)updateTouches:(NSSet*)touches {
for (UITouch* touch in touches) {
if (touch.view != [self glkView]) {
continue;
}
CGPoint location = [touch locationInView:touch.view];
ebitenUpdateTouchesOnIOS(touch.phase, (uintptr_t)touch, location.x, location.y);
}
}
- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event {
[self updateTouches:touches];
}
- (void)touchesMoved:(NSSet*)touches withEvent:(UIEvent*)event {
[self updateTouches:touches];
}
- (void)touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event {
[self updateTouches:touches];
}
- (void)touchesCancelled:(NSSet*)touches withEvent:(UIEvent*)event {
[self updateTouches:touches];
}
@end