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c-sharp #12

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182 changes: 182 additions & 0 deletions Composer/Composer.cs
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using Godot;
using System.Threading.Tasks;
using Array = Godot.Collections.Array;

public partial class Composer : Node
{
[Signal]
public delegate void FinishedInitializingEventHandler();

[Signal]
public delegate void InvalidSceneEventHandler(string path);

[Signal]
public delegate void FailedLoadingEventHandler(string path);

[Signal]
public delegate void UpdatedLoadingEventHandler(string path, int progress);

[Signal]
public delegate void FinishedLoadingEventHandler(Node scene);

[Signal]
public delegate void LoadingActivatedEventHandler();

private bool _hasInitialized = false;
public bool HasInitialized {
get => _hasInitialized;
private set
{
_hasInitialized = value;
if (_hasInitialized)
EmitSignal(SignalName.FinishedInitializing);
}
}

public bool IsUsingSubthreads {get; set;} = false;
public ResourceLoader.CacheMode CacheMode {get; set;} = ResourceLoader.CacheMode.Reuse;

private float _loadingTimerDelay = 0.1f;
public float LoadingTimerDelay {
get => _loadingTimerDelay;
set
{
_loadingTimerDelay = value;
if (LoadingTimer != null)
LoadingTimer.WaitTime = _loadingTimerDelay;
}
}

public Node Root {get; set;}

private bool IsLoading = false;
private bool HasLoadingScreen = false;
private Timer LoadingTimer;
private string CurrentLoadingPath = "";
private Node CurrentLoadScreen = null;
private Node CurrentScene = null;

public override void _EnterTree()
{
InvalidScene += OnInvalidScene;
FailedLoading += OnFailedLoading;
FinishedLoading += OnFinishedLoading;

Root = GetTree().Root;
SetupTimer();
}

public async void LoadScene(string path)
{
if (IsLoading)
return;

if (!HasInitialized)
await ToSignal(this, SignalName.FinishedInitializing);

Error loader = ResourceLoader.LoadThreadedRequest(path, "", IsUsingSubthreads, CacheMode);
if (!ResourceLoader.Exists(path) || loader != Error.Ok)
{
EmitSignal(SignalName.InvalidScene, path);
return;
}

IsLoading = true;

if (CurrentScene != null)
{
CurrentScene.QueueFree();
CurrentScene = null;
}

CurrentLoadingPath = path;
LoadingTimer.Start();
}

public Node SetupLoadScreen(string path)
{
if (HasLoadingScreen)
return CurrentLoadScreen;

HasLoadingScreen = true;
CurrentLoadScreen = GD.Load<PackedScene>(path).Instantiate();

Root.CallDeferred(MethodName.AddChild, CurrentLoadScreen);
Root.CallDeferred(MethodName.MoveChild, CurrentLoadScreen, Root.GetChildCount()-1);

return CurrentLoadScreen;
}

public void ClearLoadScreen()
{
CurrentLoadScreen.QueueFree();
CurrentLoadScreen = null;
HasLoadingScreen = false;
}

private void CheckLoadingStatus()
{
Array loadProgress = new();
ResourceLoader.ThreadLoadStatus LoadStatus = ResourceLoader.LoadThreadedGetStatus(CurrentLoadingPath, loadProgress);

switch (LoadStatus)
{
case ResourceLoader.ThreadLoadStatus.InvalidResource:
{
EmitSignal(SignalName.InvalidScene, CurrentLoadingPath);
LoadingTimer.Stop();
break;
}
case ResourceLoader.ThreadLoadStatus.Failed:
{
EmitSignal(SignalName.FailedLoading, CurrentLoadingPath);
LoadingTimer.Stop();
break;
}
case ResourceLoader.ThreadLoadStatus.InProgress:
{
EmitSignal(SignalName.UpdatedLoading, (int)loadProgress[0] * 100);
break;
}
case ResourceLoader.ThreadLoadStatus.Loaded:
{
LoadingTimer.Stop();
EmitSignal(SignalName.FinishedLoading, ((PackedScene)ResourceLoader.LoadThreadedGet(CurrentLoadingPath)).Instantiate());
break;
}
}
}

private async Task SetupTimer()
{
LoadingTimer = new();
LoadingTimer.Name = "LoadingTimer";
LoadingTimer.WaitTime = LoadingTimerDelay;
LoadingTimer.Timeout += CheckLoadingStatus;
Root.CallDeferred(MethodName.AddChild, LoadingTimer);

await ToSignal(LoadingTimer, Timer.SignalName.Ready);

HasInitialized = true;
}

private void OnFinishedLoading(Node scene)
{
Root.CallDeferred(MethodName.AddChild, scene);
CurrentScene = scene;

CurrentLoadingPath = "";
IsLoading = false;
}

private void OnInvalidScene(string path)
{
GD.PrintErr($"Invalid resource: {path}");
}

private void OnFailedLoading(string path)
{
GD.PrintErr($"Failed to load resource: {path}");
}
}

8 changes: 8 additions & 0 deletions ComposerRevamp.csproj
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<Project Sdk="Godot.NET.Sdk/4.3.0">
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net7.0</TargetFramework>
<TargetFramework Condition=" '$(GodotTargetPlatform)' == 'ios' ">net8.0</TargetFramework>
<EnableDynamicLoading>true</EnableDynamicLoading>
</PropertyGroup>
</Project>
19 changes: 19 additions & 0 deletions ComposerRevamp.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2012
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComposerRevamp", "ComposerRevamp.csproj", "{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
ExportDebug|Any CPU = ExportDebug|Any CPU
ExportRelease|Any CPU = ExportRelease|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}.Debug|Any CPU.Build.0 = Debug|Any CPU
{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}.ExportDebug|Any CPU.ActiveCfg = ExportDebug|Any CPU
{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}.ExportDebug|Any CPU.Build.0 = ExportDebug|Any CPU
{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}.ExportRelease|Any CPU.ActiveCfg = ExportRelease|Any CPU
{E0E27FFE-5D97-46B3-BF50-BA399E9FC468}.ExportRelease|Any CPU.Build.0 = ExportRelease|Any CPU
EndGlobalSection
EndGlobal
4 changes: 4 additions & 0 deletions project.godot
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Expand Up @@ -23,6 +23,10 @@ Composer="*res://Composer/Composer.gd"

gdscript/warnings/untyped_declaration=2

[dotnet]

project/assembly_name="ComposerRevamp"

[input]

activate={
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