90 lines
3 KiB
C#
90 lines
3 KiB
C#
/*
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* author: mark joshwel
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* date: 30/5/2024
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* description: options menu script for handling credits menu button functions
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*/
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using UnityEngine.UIElements;
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/// <summary>
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/// class managing the credits menu and button function invocations
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/// </summary>
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public class OptionsMenu : CommonMenu
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{
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/// <summary>
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/// button to return to the main menu
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/// </summary>
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public Button ButtonReturn;
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/// <summary>
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/// slider for music volume
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/// </summary>
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public Slider SliderAudioMusic;
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/// <summary>
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/// slider for sfx volume
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/// </summary>
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public Slider SliderAudioSfx;
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/// <summary>
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/// function to associate a display state with the menu,
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/// and subscribe button events to their respective functions
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/// </summary>
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public override void OnEnable()
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{
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// set the associated state and call the base OnEnable
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associatedState = GameManager.DisplayState.ScreenOptionsMenu;
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base.OnEnable();
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// get the start button from the ui root and subscribe appropriate functions
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ButtonReturn = UI.Q<Button>("ButtonReturn");
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ButtonReturn.clicked += PlayClick;
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ButtonReturn.clicked += OptionReturnToMainMenu;
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// get the music slider from the ui root
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SliderAudioMusic = UI.Q<Slider>("Music");
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// and set the initial value to the current music volume
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SliderAudioMusic.value = Audio.GetMusicVolume() * 100;
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// and subscribe appropriate functions
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SliderAudioMusic.RegisterCallback<ChangeEvent<float>>(OptionSetMusicVolume);
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// get the sfx slider from the ui root
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SliderAudioSfx = UI.Q<Slider>("SFX");
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// and set the initial value to the current sfx volume
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SliderAudioSfx.value = Audio.GetSfxVolume() * 100;
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// and subscribe appropriate functions
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SliderAudioSfx.RegisterCallback<ChangeEvent<float>>(OptionSetSfxVolume);
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}
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/// <summary>
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/// handles return to the main menu button press,
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/// signals the game manager appropriately
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/// </summary>
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private void OptionReturnToMainMenu()
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{
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// return to the main menu
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Game.SetDisplayState(GameManager.DisplayState.ScreenMainMenu);
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}
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/// <summary>
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/// handle music volume slider change,
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/// sets the music channel volume in the audio manager appropriately
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/// </summary>
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/// <param name="evt"></param>
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private void OptionSetMusicVolume(ChangeEvent<float> evt)
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{
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// slider is from 0 to 100, convert to 0 to 1, and set
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Audio.SetMusicVolume(evt.newValue / 100);
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}
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/// <summary>
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/// handle sfx volume slider change,
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/// sets the sfx channel volume in the audio manager appropriately
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/// </summary>
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/// <param name="evt"></param>
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private void OptionSetSfxVolume(ChangeEvent<float> evt)
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{
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// slider is from 0 to 100, convert to 0 to 1, and set
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Audio.SetSfxVolume(evt.newValue / 100);
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}
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} |