mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
528 lines
14 KiB
Go
528 lines
14 KiB
Go
// 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 ebitenmobilegobind
|
|
|
|
// gobind is a wrapper of the original gobind. This command adds extra files like a view controller.
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"golang.org/x/tools/go/packages"
|
|
)
|
|
|
|
var (
|
|
lang = flag.String("lang", "", "")
|
|
outdir = flag.String("outdir", "", "")
|
|
javaPkg = flag.String("javapkg", "", "")
|
|
prefix = flag.String("prefix", "", "")
|
|
bootclasspath = flag.String("bootclasspath", "", "")
|
|
classpath = flag.String("classpath", "", "")
|
|
tags = flag.String("tags", "", "")
|
|
)
|
|
|
|
var usage = `The Gobind tool generates Java language bindings for Go.
|
|
|
|
For usage details, see doc.go.`
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
if err := run(); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func invokeOriginalGobind(lang string) (pkgName string, err error) {
|
|
cmd := exec.Command("gobind-original", os.Args[1:]...)
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
if err := cmd.Run(); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
cfgtags := strings.Join(strings.Split(*tags, ","), " ")
|
|
cfg := &packages.Config{}
|
|
switch lang {
|
|
case "java":
|
|
cfg.Env = append(os.Environ(), "GOOS=android")
|
|
case "objc":
|
|
cfg.Env = append(os.Environ(), "GOOS=darwin")
|
|
if cfgtags != "" {
|
|
cfgtags += " "
|
|
}
|
|
cfgtags += "ios"
|
|
}
|
|
cfg.BuildFlags = []string{"-tags", cfgtags}
|
|
pkgs, err := packages.Load(cfg, flag.Args()[0])
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return pkgs[0].Name, nil
|
|
}
|
|
|
|
func forceGL() bool {
|
|
for _, tag := range strings.Split(*tags, ",") {
|
|
if tag == "ebitengl" {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func run() error {
|
|
writeFile := func(filename string, content string) error {
|
|
if err := ioutil.WriteFile(filepath.Join(*outdir, filename), []byte(content), 0644); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Add additional files.
|
|
langs := strings.Split(*lang, ",")
|
|
for _, lang := range langs {
|
|
pkgName, err := invokeOriginalGobind(lang)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
prefixLower := *prefix + pkgName
|
|
prefixUpper := strings.Title(*prefix) + strings.Title(pkgName)
|
|
replacePrefixes := func(content string) string {
|
|
content = strings.ReplaceAll(content, "{{.PrefixUpper}}", prefixUpper)
|
|
content = strings.ReplaceAll(content, "{{.PrefixLower}}", prefixLower)
|
|
content = strings.ReplaceAll(content, "{{.JavaPkg}}", *javaPkg)
|
|
|
|
f := "0"
|
|
if forceGL() {
|
|
f = "1"
|
|
}
|
|
content = strings.ReplaceAll(content, "{{.ForceGL}}", f)
|
|
return content
|
|
}
|
|
|
|
switch lang {
|
|
case "objc":
|
|
// iOS
|
|
if err := writeFile(filepath.Join("src", "gobind", prefixLower+"ebitenviewcontroller_ios.m"), replacePrefixes(objcM)); err != nil {
|
|
return err
|
|
}
|
|
case "java":
|
|
// Android
|
|
dir := filepath.Join(strings.Split(*javaPkg, ".")...)
|
|
dir = filepath.Join(dir, prefixLower)
|
|
if err := writeFile(filepath.Join("java", dir, "EbitenView.java"), replacePrefixes(viewJava)); err != nil {
|
|
return err
|
|
}
|
|
if err := writeFile(filepath.Join("java", dir, "EbitenSurfaceView.java"), replacePrefixes(surfaceViewJava)); err != nil {
|
|
return err
|
|
}
|
|
case "go":
|
|
// Do nothing.
|
|
default:
|
|
panic(fmt.Sprintf("unsupported language: %s", lang))
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
const objcM = `// Code generated by ebitenmobile. DO NOT EDIT.
|
|
|
|
// +build ios
|
|
|
|
#import <TargetConditionals.h>
|
|
|
|
#if TARGET_IPHONE_SIMULATOR || {{.ForceGL}}
|
|
#define EBITEN_METAL 0
|
|
#else
|
|
#define EBITEN_METAL 1
|
|
#endif
|
|
|
|
#import <stdint.h>
|
|
#import <UIKit/UIKit.h>
|
|
#import <GLKit/GLkit.h>
|
|
|
|
#import "Ebitenmobileview.objc.h"
|
|
|
|
@interface {{.PrefixUpper}}EbitenViewController : UIViewController
|
|
@end
|
|
|
|
@implementation {{.PrefixUpper}}EbitenViewController {
|
|
UIView* metalView_;
|
|
GLKView* glkView_;
|
|
bool started_;
|
|
bool active_;
|
|
bool error_;
|
|
}
|
|
|
|
- (UIView*)metalView {
|
|
if (!metalView_) {
|
|
metalView_ = [[UIView alloc] init];
|
|
metalView_.multipleTouchEnabled = YES;
|
|
}
|
|
return metalView_;
|
|
}
|
|
|
|
- (GLKView*)glkView {
|
|
if (!glkView_) {
|
|
glkView_ = [[GLKView alloc] init];
|
|
glkView_.multipleTouchEnabled = YES;
|
|
}
|
|
return glkView_;
|
|
}
|
|
|
|
- (void)viewDidLoad {
|
|
[super viewDidLoad];
|
|
|
|
if (!started_) {
|
|
@synchronized(self) {
|
|
active_ = true;
|
|
}
|
|
started_ = true;
|
|
}
|
|
|
|
#if EBITEN_METAL
|
|
[self.view addSubview: self.metalView];
|
|
EbitenmobileviewSetUIView((uintptr_t)(self.metalView));
|
|
#else
|
|
self.glkView.delegate = (id<GLKViewDelegate>)(self);
|
|
[self.view addSubview: self.glkView];
|
|
|
|
EAGLContext *context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
|
|
[self glkView].context = context;
|
|
|
|
[EAGLContext setCurrentContext:context];
|
|
#endif
|
|
|
|
CADisplayLink *displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(drawFrame)];
|
|
[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
|
|
}
|
|
|
|
- (void)viewDidLayoutSubviews {
|
|
[super viewDidLayoutSubviews];
|
|
CGRect viewRect = [[self view] frame];
|
|
|
|
EbitenmobileviewLayout(viewRect.size.width, viewRect.size.height, (id<EbitenmobileviewViewRectSetter>)self);
|
|
}
|
|
|
|
- (void)setViewRect:(long)x y:(long)y width:(long)width height:(long)height {
|
|
CGRect viewRect = CGRectMake(x, y, width, height);
|
|
#if EBITEN_METAL
|
|
[[self metalView] setFrame:viewRect];
|
|
#else
|
|
[[self glkView] setFrame:viewRect];
|
|
#endif
|
|
}
|
|
|
|
- (void)didReceiveMemoryWarning {
|
|
[super didReceiveMemoryWarning];
|
|
// Dispose of any resources that can be recreated.
|
|
// TODO: Notify this to Go world?
|
|
}
|
|
|
|
- (void)drawFrame{
|
|
@synchronized(self) {
|
|
if (!active_) {
|
|
return;
|
|
}
|
|
|
|
#if EBITEN_METAL
|
|
[self updateEbiten];
|
|
#else
|
|
[[self glkView] setNeedsDisplay];
|
|
#endif
|
|
}
|
|
}
|
|
|
|
- (void)glkView:(GLKView*)view drawInRect:(CGRect)rect {
|
|
@synchronized(self) {
|
|
[self updateEbiten];
|
|
}
|
|
}
|
|
|
|
- (void)updateEbiten {
|
|
if (error_) {
|
|
return;
|
|
}
|
|
NSError* err = nil;
|
|
EbitenmobileviewUpdate(&err);
|
|
if (err != nil) {
|
|
[self performSelectorOnMainThread:@selector(onErrorOnGameUpdate:)
|
|
withObject:err
|
|
waitUntilDone:NO];
|
|
error_ = true;
|
|
}
|
|
}
|
|
|
|
- (void)onErrorOnGameUpdate:(NSError*)err {
|
|
NSLog(@"Error: %@", err);
|
|
}
|
|
|
|
- (void)updateTouches:(NSSet*)touches {
|
|
for (UITouch* touch in touches) {
|
|
#if EBITEN_METAL
|
|
if (touch.view != [self metalView]) {
|
|
continue;
|
|
}
|
|
#else
|
|
if (touch.view != [self glkView]) {
|
|
continue;
|
|
}
|
|
#endif
|
|
CGPoint location = [touch locationInView:touch.view];
|
|
EbitenmobileviewUpdateTouchesOnIOS(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];
|
|
}
|
|
|
|
- (void)suspendGame {
|
|
NSAssert(started_, @"suspendGame msut not be called before viewDidLoad is called");
|
|
|
|
@synchronized(self) {
|
|
active_ = false;
|
|
}
|
|
}
|
|
|
|
- (void)resumeGame {
|
|
NSAssert(started_, @"resumeGame msut not be called before viewDidLoad is called");
|
|
|
|
@synchronized(self) {
|
|
active_ = true;
|
|
}
|
|
}
|
|
|
|
@end
|
|
`
|
|
|
|
const viewJava = `// Code generated by ebitenmobile. DO NOT EDIT.
|
|
|
|
package {{.JavaPkg}}.{{.PrefixLower}};
|
|
|
|
import android.content.Context;
|
|
import android.os.Handler;
|
|
import android.os.Looper;
|
|
import android.util.AttributeSet;
|
|
import android.util.Log;
|
|
import android.view.ViewGroup;
|
|
|
|
import {{.JavaPkg}}.ebitenmobileview.Ebitenmobileview;
|
|
import {{.JavaPkg}}.ebitenmobileview.ViewRectSetter;
|
|
|
|
public class EbitenView extends ViewGroup {
|
|
private double getDeviceScale() {
|
|
if (deviceScale_ == 0.0) {
|
|
deviceScale_ = getResources().getDisplayMetrics().density;
|
|
}
|
|
return deviceScale_;
|
|
}
|
|
|
|
private double pxToDp(double x) {
|
|
return x / getDeviceScale();
|
|
}
|
|
|
|
private double dpToPx(double x) {
|
|
return x * getDeviceScale();
|
|
}
|
|
|
|
private double deviceScale_ = 0.0;
|
|
|
|
public EbitenView(Context context) {
|
|
super(context);
|
|
ebitenSurfaceView_ = new EbitenSurfaceView(context);
|
|
}
|
|
|
|
public EbitenView(Context context, AttributeSet attrs) {
|
|
super(context, attrs);
|
|
ebitenSurfaceView_ = new EbitenSurfaceView(context, attrs);
|
|
}
|
|
|
|
@Override
|
|
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
|
|
if (!initialized_) {
|
|
LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
|
|
addView(ebitenSurfaceView_, params);
|
|
initialized_ = true;
|
|
}
|
|
|
|
int widthInDp = (int)Math.floor(pxToDp(right - left));
|
|
int heightInDp = (int)Math.floor(pxToDp(bottom - top));
|
|
Ebitenmobileview.layout(widthInDp, heightInDp, new ViewRectSetter() {
|
|
@Override
|
|
public void setViewRect(long xInDp, long yInDp, long widthInDp, long heightInDp) {
|
|
int width = (int)Math.ceil(dpToPx(widthInDp));
|
|
int height = (int)Math.ceil(dpToPx(heightInDp));
|
|
int x = (int)Math.ceil(dpToPx(xInDp));
|
|
int y = (int)Math.ceil(dpToPx(yInDp));
|
|
// Use even numbers to avoid glitches (#956).
|
|
final int xInPx = x / 2 * 2;
|
|
final int yInPx = y / 2 * 2;
|
|
final int widthInPx = width / 2 * 2;
|
|
final int heightInPx = height / 2 * 2;
|
|
new Handler(Looper.getMainLooper()).post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
ebitenSurfaceView_.layout(xInPx, yInPx, xInPx + widthInPx, yInPx + heightInPx);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
// suspendGame suspends the game.
|
|
// It is recommended to call this when the application is being suspended e.g.,
|
|
// Activity's onPause is called.
|
|
public void suspendGame() {
|
|
if (initialized_) {
|
|
ebitenSurfaceView_.onPause();
|
|
}
|
|
}
|
|
|
|
// resumeGame resumes the game.
|
|
// It is recommended to call this when the application is being resumed e.g.,
|
|
// Activity's onResume is called.
|
|
public void resumeGame() {
|
|
if (initialized_) {
|
|
ebitenSurfaceView_.onResume();
|
|
}
|
|
}
|
|
|
|
// onErrorOnGameUpdate is called on the main thread when an error happens when updating a game.
|
|
// You can define your own error handler, e.g., using Crashlytics, by overwriting this method.
|
|
protected void onErrorOnGameUpdate(Exception e) {
|
|
Log.e("Go", e.toString());
|
|
}
|
|
|
|
private EbitenSurfaceView ebitenSurfaceView_;
|
|
private boolean initialized_ = false;
|
|
}
|
|
`
|
|
|
|
const surfaceViewJava = `// Code generated by ebitenmobile. DO NOT EDIT.
|
|
|
|
package {{.JavaPkg}}.{{.PrefixLower}};
|
|
|
|
import android.content.Context;
|
|
import android.opengl.GLSurfaceView;
|
|
import android.os.Handler;
|
|
import android.os.Looper;
|
|
import android.util.AttributeSet;
|
|
import android.view.MotionEvent;
|
|
|
|
import javax.microedition.khronos.egl.EGLConfig;
|
|
import javax.microedition.khronos.opengles.GL10;
|
|
|
|
import {{.JavaPkg}}.ebitenmobileview.Ebitenmobileview;
|
|
import {{.JavaPkg}}.{{.PrefixLower}}.EbitenView;
|
|
|
|
class EbitenSurfaceView extends GLSurfaceView {
|
|
|
|
private class EbitenRenderer implements GLSurfaceView.Renderer {
|
|
|
|
private boolean errored_ = false;
|
|
|
|
@Override
|
|
public void onDrawFrame(GL10 gl) {
|
|
if (errored_) {
|
|
return;
|
|
}
|
|
try {
|
|
Ebitenmobileview.update();
|
|
} catch (final Exception e) {
|
|
new Handler(Looper.getMainLooper()).post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
onErrorOnGameUpdate(e);
|
|
}
|
|
});
|
|
errored_ = true;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
|
|
}
|
|
|
|
@Override
|
|
public void onSurfaceChanged(GL10 gl, int width, int height) {
|
|
}
|
|
}
|
|
|
|
public EbitenSurfaceView(Context context) {
|
|
super(context);
|
|
initialize();
|
|
}
|
|
|
|
public EbitenSurfaceView(Context context, AttributeSet attrs) {
|
|
super(context, attrs);
|
|
initialize();
|
|
}
|
|
|
|
private void initialize() {
|
|
setEGLContextClientVersion(2);
|
|
setEGLConfigChooser(8, 8, 8, 8, 0, 0);
|
|
setRenderer(new EbitenRenderer());
|
|
}
|
|
|
|
private double getDeviceScale() {
|
|
if (deviceScale_ == 0.0) {
|
|
deviceScale_ = getResources().getDisplayMetrics().density;
|
|
}
|
|
return deviceScale_;
|
|
}
|
|
|
|
private double pxToDp(double x) {
|
|
return x / getDeviceScale();
|
|
}
|
|
|
|
@Override
|
|
public boolean onTouchEvent(MotionEvent e) {
|
|
for (int i = 0; i < e.getPointerCount(); i++) {
|
|
int id = e.getPointerId(i);
|
|
int x = (int)e.getX(i);
|
|
int y = (int)e.getY(i);
|
|
Ebitenmobileview.updateTouchesOnAndroid(e.getActionMasked(), id, (int)pxToDp(x), (int)pxToDp(y));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private void onErrorOnGameUpdate(Exception e) {
|
|
((EbitenView)getParent()).onErrorOnGameUpdate(e);
|
|
}
|
|
|
|
private double deviceScale_ = 0.0;
|
|
}
|
|
`
|