zorldo

input.go (4582B)

---

 // 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.
 
 //go:build android || ios
 // +build android ios
 
 package mobile
 
 import (
 	"github.com/hajimehoshi/ebiten/v2/internal/driver"
 )
 
 type pos struct {
 	X int
 	Y int
 }
 
 type Input struct {
 	keys     map[driver.Key]struct{}
 	runes    []rune
 	touches  map[driver.TouchID]pos
 	gamepads []Gamepad
 	ui       *UserInterface
 }
 
 func (i *Input) CursorPosition() (x, y int) {
 	return 0, 0
 }
 
 func (i *Input) AppendGamepadIDs(gamepadIDs []driver.GamepadID) []driver.GamepadID {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		gamepadIDs = append(gamepadIDs, g.ID)
 	}
 	return gamepadIDs
 }
 
 func (i *Input) GamepadSDLID(id driver.GamepadID) string {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		if g.ID != id {
 			continue
 		}
 		return g.SDLID
 	}
 	return ""
 }
 
 func (i *Input) GamepadName(id driver.GamepadID) string {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		if g.ID != id {
 			continue
 		}
 		return g.Name
 	}
 	return ""
 }
 
 func (i *Input) GamepadAxisNum(id driver.GamepadID) int {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		if g.ID != id {
 			continue
 		}
 		return g.AxisNum
 	}
 	return 0
 }
 
 func (i *Input) GamepadAxisValue(id driver.GamepadID, axis int) float64 {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		if g.ID != id {
 			continue
 		}
 		if g.AxisNum <= int(axis) {
 			return 0
 		}
 		return float64(g.Axes[axis])
 	}
 	return 0
 }
 
 func (i *Input) GamepadButtonNum(id driver.GamepadID) int {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		if g.ID != id {
 			continue
 		}
 		return g.ButtonNum
 	}
 	return 0
 }
 
 func (i *Input) IsGamepadButtonPressed(id driver.GamepadID, button driver.GamepadButton) bool {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for _, g := range i.gamepads {
 		if g.ID != id {
 			continue
 		}
 		if g.ButtonNum <= int(button) {
 			return false
 		}
 		return g.Buttons[button]
 	}
 	return false
 }
 
 func (i *Input) IsStandardGamepadLayoutAvailable(id driver.GamepadID) bool {
 	// TODO: Implement this (#1557)
 	return false
 }
 
 func (i *Input) IsStandardGamepadButtonPressed(id driver.GamepadID, button driver.StandardGamepadButton) bool {
 	// TODO: Implement this (#1557)
 	return false
 }
 
 func (i *Input) StandardGamepadButtonValue(id driver.GamepadID, button driver.StandardGamepadButton) float64 {
 	// TODO: Implement this (#1557)
 	return 0
 }
 
 func (i *Input) StandardGamepadAxisValue(id driver.GamepadID, axis driver.StandardGamepadAxis) float64 {
 	// TODO: Implement this (#1557)
 	return 0
 }
 
 func (i *Input) AppendTouchIDs(touchIDs []driver.TouchID) []driver.TouchID {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for id := range i.touches {
 		touchIDs = append(touchIDs, id)
 	}
 	return touchIDs
 }
 
 func (i *Input) TouchPosition(id driver.TouchID) (x, y int) {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	for tid, pos := range i.touches {
 		if id == tid {
 			return i.ui.adjustPosition(pos.X, pos.Y)
 		}
 	}
 	return 0, 0
 }
 
 func (i *Input) AppendInputChars(runes []rune) []rune {
 	i.ui.m.Lock()
 	defer i.ui.m.Unlock()
 	return append(runes, i.runes...)
 }
 
 func (i *Input) IsKeyPressed(key driver.Key) bool {
 	i.ui.m.RLock()
 	defer i.ui.m.RUnlock()
 
 	if i.keys == nil {
 		return false
 	}
 	_, ok := i.keys[key]
 	return ok
 }
 
 func (i *Input) Wheel() (xoff, yoff float64) {
 	return 0, 0
 }
 
 func (i *Input) IsMouseButtonPressed(key driver.MouseButton) bool {
 	return false
 }
 
 func (i *Input) update(keys map[driver.Key]struct{}, runes []rune, touches []*Touch, gamepads []Gamepad) {
 	i.ui.m.Lock()
 	defer i.ui.m.Unlock()
 
 	i.keys = map[driver.Key]struct{}{}
 	for k := range keys {
 		i.keys[k] = struct{}{}
 	}
 
 	i.runes = make([]rune, len(runes))
 	copy(i.runes, runes)
 
 	i.touches = map[driver.TouchID]pos{}
 	for _, t := range touches {
 		i.touches[t.ID] = pos{
 			X: t.X,
 			Y: t.Y,
 		}
 	}
 
 	i.gamepads = make([]Gamepad, len(gamepads))
 	copy(i.gamepads, gamepads)
 }
 
 func (i *Input) resetForFrame() {
 	i.runes = nil
 }