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stgsharp/StgSharp.Common/MVVM/ViewModel/ViewModel.cs
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2026-02-27 17:09:13 +08:00

272 lines
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C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ViewModel"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Common.Timing;
using StgSharp.Controlling.UsrActivity;
using StgSharp.Graphics;
using StgSharp.Graphics.OpenGL;
using StgSharp.Mathematics;
using StgSharp.Mathematics.Graphics;
using StgSharp.MVVM;
using StgSharp.MVVM.ViewModel;
using StgSharp.Threading;
using StgSharp.Timing;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
namespace StgSharp.MVVM.ViewModel
{
public abstract partial class ViewModelBase
{
private FrameBufferSizeHandler _resizeCallback;
private int _frameCount;
private int _frameSpeed;
private ViewPort viewPortDisplay;
// internal IntPtr monitor;
internal TimeSpanProvider fpsCountProvider;
internal TimeSpanProvider frameTimeProvider;
internal Vector4 backgroundColor;
protected ViewModelBase(
int frameSpeed
)
{
viewPortDisplay = new ViewPort();
allView = [];
fpsCountProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, 1.0 / frameSpeed), TimeSpanProvider.DefaultProvider);
_frameSpeed = 0;
_frameCount = 0;
long frameLength = (FrameSpeed > 0) ? (1000L * 1000L / FrameSpeed) : 0;
frameTimeProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, 1.0 / frameSpeed), TimeSpanProvider.DefaultProvider);
SetFrameSizeCallback(DefaultFrameResizeCallback);
}
protected ViewModelBase(
double frameLength
)
{
viewPortDisplay = new ViewPort();
allView = [];
fpsCountProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, frameLength), TimeSpanProvider.DefaultProvider);
_frameSpeed = 0;
_frameCount = 0;
long _frameLength = (FrameSpeed > 0) ? ((long)(1000 * frameLength)) : 0;
frameTimeProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, frameLength), TimeSpanProvider.DefaultProvider);
SetFrameSizeCallback(DefaultFrameResizeCallback);
}
public ViewModelBase(
ViewPort vBinding,
int frameSpeed
)
{
viewPortDisplay = vBinding;
allView = [];
fpsCountProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, 1.0), TimeSpanProvider.DefaultProvider);
_frameSpeed = 0;
_frameCount = 0;
long frameLength = (frameSpeed > 0) ? (1000L * 1000L / frameSpeed) : 0;
frameTimeProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, 1.0 / frameSpeed), TimeSpanProvider.DefaultProvider);
SetFrameSizeCallback(DefaultFrameResizeCallback);
}
public ViewModelBase(
ViewPort vBinding,
double frameLength
)
{
viewPortDisplay = vBinding;
allView = [];
fpsCountProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, 1.0), TimeSpanProvider.DefaultProvider);
_frameSpeed = 0;
_frameCount = 0;
long _frameLength = (FrameSpeed > 0) ? ((long)(1000 * frameLength)) : 0;
frameTimeProvider = new TimeSpanProvider(TimeSequence.CreateLinear(double.PositiveInfinity, frameLength), TimeSpanProvider.DefaultProvider);
SetFrameSizeCallback(DefaultFrameResizeCallback);
}
public DataBindingEntry this[
string name
]
{
get
{
if (this.TryGetObjectReference(name, out DataBindingEntry entry)) {
return entry;
}
throw new KeyNotFoundException();
}
}
public bool ShouldClose
{
get => GraphicFramework.glfwWindowShouldClose(viewPortDisplay.ViewPortHandle) != 0;
set => GraphicFramework.glfwSetWindowShouldClose(
viewPortDisplay.ViewPortHandle, value ? 1 : 0);
}
public int CurrentFrameCount => frameTimeProvider.CurrentSpan;
public int FrameSpeed => _frameSpeed;
/// <summary>
/// Height of this form, represent in <see cref="int" />
/// </summary>
public int Height
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => viewPortDisplay.Height;
}
/// <summary>
/// Width of this form, represent in <see cref="int" />
/// </summary>
public int Width
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => viewPortDisplay.Width;
}
public unsafe IntPtr WindowID
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => viewPortDisplay.ViewPortHandle;
}
public string Name
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => viewPortDisplay.Name;
}
/// <summary>
/// Width of this form, represent in <see cref="int" />
/// </summary>
public Vec2 Size
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => new Vec2(Width, Height);
}
public ViewPort ViewPortBinding
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => viewPortDisplay;
}
public abstract void CustomizeInitialize();
/// <summary>
/// Set the Size limit of current form
/// </summary>
/// <param _label="minSize">
/// Minimum Size of current form. In form of a <see cref="Vec2" /> of (width,height)
/// </param>
/// <param _label="maxSize">
/// Maximum Size of current form. In form of a <see cref="Vec2" /> of (width,height)
/// </param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void SetSizeLimit(
Vec2 minSize,
Vec2 maxSize
)
{
ThreadHelper.MainThreadAssert();
GraphicFramework.glfwSetWindowSizeLimits(this.viewPortDisplay.ViewPortHandle,
(int)minSize.X, (int)minSize.Y, (int)maxSize.X,
(int)maxSize.Y);
}
/// <summary>
/// Set the Size limit of current form
/// </summary>
/// <param _label="minWidth">
/// Minimum width of current form
/// </param>
/// <param _label="minHeight">
/// Minimum height of current form
/// </param>
/// <param _label="maxWidth">
/// Maximum width of current form
/// </param>
/// <param _label="maxHeight">
/// Maximum height of current form
/// </param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void SetSizeLimit(
int minWidth,
int minHeight,
int maxWidth,
int maxHeight
)
{
ThreadHelper.MainThreadAssert();
GraphicFramework.glfwSetWindowSizeLimits(this.viewPortDisplay.ViewPortHandle, minWidth,
minHeight, maxWidth, maxHeight);
}
public abstract bool TryGetObjectReference(
string name,
out DataBindingEntry entry
);
protected unsafe void SetFrameSizeCallback(
FrameBufferSizeHandler callback
)
{
_resizeCallback = callback;
IntPtr handlerPtr = Marshal.GetFunctionPointerForDelegate(callback);
_ = GraphicFramework.glfwSetFrameBufferSizeCallback(
viewPortDisplay.ViewPortHandle, (delegate* unmanaged[Cdecl]<IntPtr, int, int, void>)handlerPtr);
}
private void DefaultFrameResizeCallback(
IntPtr windowHandle,
int width,
int height
)
{
ViewPort.GetExistedViewPort(windowHandle, out ViewPort vp);
vp.RequestFlushSizeInNextFrame(width, height);
// Console.WriteLine($"{width} {height}");
}
}
}