92 lines
1.8 KiB
Go
92 lines
1.8 KiB
Go
package d2render
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import (
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"errors"
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"log"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
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)
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var (
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ErrWasInit = errors.New("rendering system is already initialized")
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ErrNotInit = errors.New("rendering system has not been initialized")
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ErrInvalidRenderer = errors.New("invalid rendering system specified")
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)
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var singleton d2interface.Renderer
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func Initialize(rend d2interface.Renderer) error {
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verifyNotInit()
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singleton = rend
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log.Printf("Initialized the %s renderer...", singleton.GetRendererName())
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return nil
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}
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func SetWindowIcon(fileName string) {
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verifyWasInit()
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singleton.SetWindowIcon(fileName)
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}
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func Run(f func(d2interface.Surface) error, width, height int, title string) error {
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verifyWasInit()
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singleton.Run(f, width, height, title)
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return nil
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}
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func IsDrawingSkipped() bool {
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verifyWasInit()
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return singleton.IsDrawingSkipped()
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}
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func CreateSurface(surface d2interface.Surface) (d2interface.Surface, error) {
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verifyWasInit()
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return singleton.CreateSurface(surface)
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}
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func NewSurface(width, height int, filter d2interface.Filter) (d2interface.Surface, error) {
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verifyWasInit()
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return singleton.NewSurface(width, height, filter)
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}
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func IsFullScreen() bool {
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verifyWasInit()
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return singleton.IsFullScreen()
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}
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func SetFullScreen(fullScreen bool) {
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verifyWasInit()
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singleton.SetFullScreen(fullScreen)
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}
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func SetVSyncEnabled(vsync bool) {
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verifyWasInit()
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singleton.SetVSyncEnabled(vsync)
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}
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func GetVSyncEnabled() bool {
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verifyWasInit()
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return singleton.GetVSyncEnabled()
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}
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func GetCursorPos() (int, int) {
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verifyWasInit()
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return singleton.GetCursorPos()
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}
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func CurrentFPS() float64 {
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verifyWasInit()
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return singleton.CurrentFPS()
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}
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func verifyWasInit() {
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if singleton == nil {
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panic(ErrNotInit)
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}
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}
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func verifyNotInit() {
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if singleton != nil {
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panic(ErrWasInit)
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}
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}
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