mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 13:07:26 +01:00
123 lines
2.7 KiB
Go
123 lines
2.7 KiB
Go
// Copyright 2016 Hajime Hoshi
|
|
//
|
|
// 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 android
|
|
|
|
package mobile
|
|
|
|
import (
|
|
"errors"
|
|
"runtime"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
"github.com/hajimehoshi/ebiten/internal/ui"
|
|
)
|
|
|
|
var chError <-chan error
|
|
|
|
type EventDispatcher interface {
|
|
SetScreenSize(width, height int)
|
|
SetScreenScale(scale int)
|
|
Render() error
|
|
Pause()
|
|
Resume()
|
|
TouchDown(id int, x, y int)
|
|
TouchMove(id int, x, y int)
|
|
TouchUp(id int)
|
|
}
|
|
|
|
// Start starts the game and returns immediately.
|
|
//
|
|
// Different from ebiten.Run, this invokes only the game loop and not the main (UI) loop.
|
|
func Start(f func(*ebiten.Image) error, width, height, scale int, title string) (EventDispatcher, error) {
|
|
chError = ebiten.RunWithoutMainLoop(f, width, height, scale, title)
|
|
return &eventDispatcher{
|
|
touches: map[int]position{},
|
|
}, nil
|
|
}
|
|
|
|
type position struct {
|
|
x int
|
|
y int
|
|
}
|
|
|
|
type eventDispatcher struct {
|
|
touches map[int]position
|
|
}
|
|
|
|
func (e *eventDispatcher) SetScreenSize(width, height int) {
|
|
ui.CurrentUI().SetScreenSize(width, height)
|
|
}
|
|
|
|
func (e *eventDispatcher) SetScreenScale(scale int) {
|
|
ui.CurrentUI().SetScreenScale(scale)
|
|
}
|
|
|
|
func (e *eventDispatcher) Render() error {
|
|
runtime.LockOSThread()
|
|
defer runtime.UnlockOSThread()
|
|
|
|
if chError == nil {
|
|
return errors.New("mobile: chError must not be nil: Start is not called yet?")
|
|
}
|
|
return ui.Render(chError)
|
|
}
|
|
|
|
func (e *eventDispatcher) Pause() {
|
|
ui.Pause()
|
|
}
|
|
|
|
func (e *eventDispatcher) Resume() {
|
|
ui.Resume()
|
|
}
|
|
|
|
// touch implements ui.Touch.
|
|
type touch struct {
|
|
id int
|
|
position position
|
|
}
|
|
|
|
func (t touch) ID() int {
|
|
return t.id
|
|
}
|
|
|
|
func (t touch) Position() (int, int) {
|
|
// TODO: Is this OK to adjust the position here?
|
|
return t.position.x / ui.CurrentUI().ScreenScale(),
|
|
t.position.y / ui.CurrentUI().ScreenScale()
|
|
}
|
|
|
|
func (e *eventDispatcher) TouchDown(id int, x, y int) {
|
|
e.touches[id] = position{x, y}
|
|
e.updateTouches()
|
|
}
|
|
|
|
func (e *eventDispatcher) TouchMove(id int, x, y int) {
|
|
e.touches[id] = position{x, y}
|
|
e.updateTouches()
|
|
}
|
|
|
|
func (e *eventDispatcher) TouchUp(id int) {
|
|
delete(e.touches, id)
|
|
e.updateTouches()
|
|
}
|
|
|
|
func (e *eventDispatcher) updateTouches() {
|
|
ts := []ui.Touch{}
|
|
for id, position := range e.touches {
|
|
ts = append(ts, touch{id, position})
|
|
}
|
|
ui.UpdateTouches(ts)
|
|
}
|