mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// Copyright 2016 Hajime Hoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ebitenmobileview
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import (
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"fmt"
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"github.com/hajimehoshi/ebiten/v2/internal/ui"
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)
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// #cgo CFLAGS: -x objective-c
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// #cgo LDFLAGS: -framework Foundation -framework UIKit
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//
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// #import <UIKit/UIKit.h>
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import "C"
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var ptrToID = map[int64]int{}
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func getIDFromPtr(ptr int64) int {
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if id, ok := ptrToID[ptr]; ok {
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return id
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}
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maxID := 0
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for _, id := range ptrToID {
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if maxID < id {
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maxID = id
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}
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}
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id := maxID + 1
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ptrToID[ptr] = id
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return id
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}
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func UpdateTouchesOnIOS(phase int, ptr int64, x, y int) {
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switch phase {
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case C.UITouchPhaseBegan, C.UITouchPhaseMoved, C.UITouchPhaseStationary:
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id := getIDFromPtr(ptr)
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touches[ui.TouchID(id)] = position{x, y}
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updateInput()
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case C.UITouchPhaseEnded, C.UITouchPhaseCancelled:
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id := getIDFromPtr(ptr)
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delete(ptrToID, ptr)
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delete(touches, ui.TouchID(id))
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updateInput()
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default:
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panic(fmt.Sprintf("ebitenmobileview: invalid phase: %d", phase))
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}
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}
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