Bucket Of Chicken
95 lines
2.4 KiB
C#
95 lines
2.4 KiB
C#
using Godot;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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public partial class PerformanceDisplay : Node
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{
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[Export] public PackedScene display;
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[Export] public Control UpperMargin;
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[Export] public Control SongContainer;
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[Export] public Control LowerMargin;
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[Export] public ScrollContainer Scroll;
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public override void _Ready()
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{
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base._Ready();
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if (Context.instance != null){
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Context.instance.SongsUpdated += UpdateDisplay;
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}
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else{
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GD.PushError("instance null");
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}
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}
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IEnumerable<Song> DisplayedSongs = [];
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void UpdateDisplay(IEnumerable<Song> songs){
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DisplayedSongs = songs;
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GD.Print("Updated, songs ",songs.Count());
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}
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public override void _Process(double delta)
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{
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base._Process(delta);
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int CurrentIndex = (int)(Scroll.ScrollVertical/ 75);
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int MaxIndex = (int)((Scroll.Size.Y / 75)+CurrentIndex+1);
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IEnumerable<SongDisplay> DisplayRemove =[];
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IEnumerable<int> ids = [];
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IEnumerable<SongDisplay> displays = [];
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foreach(Node child in SongContainer.GetChildren()){
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if (child is SongDisplay display1)
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{
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displays = displays.Append(display1);
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}
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}
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if (displays.Any())
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{
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foreach (SongDisplay display in displays){
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if (display.DisplayId < CurrentIndex || display.DisplayId > MaxIndex){
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DisplayRemove = DisplayRemove.Append(display);
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}
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else{
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ids = ids.Append(display.DisplayId);
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}
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}
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}
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for (int i = CurrentIndex; i >= CurrentIndex && i <= MaxIndex;i++)
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{
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if (!ids.Contains(i)){
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if (i > DisplayedSongs.Count()-1){
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break;
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}
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Song Songinfo = DisplayedSongs.ElementAt(i);
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if (!Songinfo.LoadedMetadata){
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Songinfo.LoadMetadata();
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}
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SongDisplay scene = (SongDisplay)display.Instantiate();
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SongContainer.AddChild(scene);
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scene.Setup(Songinfo);
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scene.DisplayId = i;
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SongContainer.MoveChild(scene,i - CurrentIndex);
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GD.Print("CurrentIndex ", CurrentIndex);
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displays = displays.Append(scene);
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}
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}
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foreach (SongDisplay display in DisplayRemove)
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{
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display.QueueFree();
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}
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update_margins(CurrentIndex);
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}
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void update_margins(int CurrentIndex,int songsize = 75){
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int ChildSize = SongContainer.GetChildren().Count * songsize;
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int TotalSize = songsize * DisplayedSongs.Count();
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int TopMarginSize = CurrentIndex*songsize;
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int LowMarginSize = TotalSize-ChildSize-TopMarginSize;
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UpperMargin.CustomMinimumSize = new Vector2(0,TopMarginSize);
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LowerMargin.CustomMinimumSize = new Vector2(0, LowMarginSize);
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}
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}
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