mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 20:28:54 +01:00
136 lines
3.0 KiB
Go
136 lines
3.0 KiB
Go
package cocoa
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// #cgo CFLAGS: -x objective-c -fobjc-arc
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// #cgo LDFLAGS: -framework Cocoa -framework OpenGL -framework QuartzCore
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//
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// #include <stdlib.h>
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// #include "input.h"
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//
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// void Run(size_t width, size_t height, size_t scale, const char* title);
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//
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import "C"
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import (
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"github.com/hajimehoshi/go-ebiten"
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"github.com/hajimehoshi/go-ebiten/graphics/opengl"
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"unsafe"
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)
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type UI struct {
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screenWidth int
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screenHeight int
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screenScale int
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title string
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initializing chan ebiten.Game
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initialized chan ebiten.Game
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updating chan ebiten.Game
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updated chan ebiten.Game
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input chan ebiten.InputState
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graphicsDevice *opengl.Device
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}
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var currentUI *UI
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func New(screenWidth, screenHeight, screenScale int, title string) *UI {
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if currentUI != nil {
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panic("UI can't be duplicated.")
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}
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ui := &UI{
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screenWidth: screenWidth,
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screenHeight: screenHeight,
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screenScale: screenScale,
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title: title,
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initializing: make(chan ebiten.Game),
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initialized: make(chan ebiten.Game),
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updating: make(chan ebiten.Game),
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updated: make(chan ebiten.Game),
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input: make(chan ebiten.InputState),
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}
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currentUI = ui
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return ui
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}
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func (ui *UI) MainLoop() {
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cTitle := C.CString(ui.title)
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defer C.free(unsafe.Pointer(cTitle))
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C.Run(C.size_t(ui.screenWidth),
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C.size_t(ui.screenHeight),
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C.size_t(ui.screenScale),
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cTitle)
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}
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func (ui *UI) ScreenWidth() int {
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return ui.screenWidth
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}
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func (ui *UI) ScreenHeight() int {
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return ui.screenHeight
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}
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func (ui *UI) Initializing() chan<- ebiten.Game {
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return ui.initializing
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}
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func (ui *UI) Initialized() <-chan ebiten.Game {
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return ui.initialized
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}
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func (ui *UI) Updating() chan<- ebiten.Game {
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return ui.updating
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}
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func (ui *UI) Updated() <-chan ebiten.Game {
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return ui.updated
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}
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func (ui *UI) Input() <-chan ebiten.InputState {
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return ui.input
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}
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//export ebiten_EbitenOpenGLView_Initialized
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func ebiten_EbitenOpenGLView_Initialized() {
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if currentUI.graphicsDevice != nil {
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panic("The graphics device is already initialized")
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}
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currentUI.graphicsDevice = opengl.NewDevice(
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currentUI.screenWidth,
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currentUI.screenHeight,
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currentUI.screenScale)
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currentUI.graphicsDevice.Init()
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game := <-currentUI.initializing
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game.Init(currentUI.graphicsDevice.TextureFactory())
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currentUI.initialized <- game
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}
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//export ebiten_EbitenOpenGLView_Updating
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func ebiten_EbitenOpenGLView_Updating() {
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game := <-currentUI.updating
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currentUI.graphicsDevice.Update(game.Draw)
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currentUI.updated <- game
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}
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//export ebiten_EbitenOpenGLView_InputUpdated
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func ebiten_EbitenOpenGLView_InputUpdated(inputType C.InputType, cx, cy C.int) {
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if inputType == C.InputTypeMouseUp {
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currentUI.input <- ebiten.InputState{-1, -1}
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return
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}
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x, y := int(cx), int(cy)
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x /= currentUI.screenScale
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y /= currentUI.screenScale
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if x < 0 {
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x = 0
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} else if currentUI.screenWidth <= x {
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x = currentUI.screenWidth - 1
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}
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if y < 0 {
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y = 0
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} else if currentUI.screenHeight <= y {
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y = currentUI.screenHeight - 1
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}
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currentUI.input <- ebiten.InputState{x, y}
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}
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