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Introduce TargetString to eliminate text GC.

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This commit is contained in:
PopSlime
2022-11-21 14:09:01 +08:00
parent 784c3fc338
commit 109b489104
4 changed files with 154 additions and 10 deletions
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16
Assets/Cryville/Crtr/Components/SpriteText.cs
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@@ -1,4 +1,5 @@
using Cryville.Common.Pdt;
using Cryville.Common.Buffers;
using Cryville.Common.Pdt;
using System;
using System.Collections.Generic;
using UnityEngine;
@@ -7,7 +8,7 @@ namespace Cryville.Crtr.Components {
public class SpriteText : SpriteBase {
public SpriteText() {
SubmitProperty("frames", new op_set_frames(this));
SubmitProperty("value", new PropOp.String(v => Value = v));
SubmitProperty("value", new PropOp.TargetString(() => Value));
SubmitProperty("size", new PropOp.Float(v => Size = v));
SubmitProperty("spacing", new PropOp.Float(v => Spacing = v));
SubmitProperty("opacity", new PropOp.Float(v => Opacity = v));
@@ -48,14 +49,8 @@ namespace Cryville.Crtr.Components {
set { m_frames = value; UpdateFrames(); UpdateScale(); }
}
public string m_value;
public string Value {
get { return m_value; }
set {
if (m_value == value) return;
m_value = value; UpdateScale();
}
}
readonly TargetString m_value = new TargetString();
public TargetString Value { get { return m_value; } }
public float m_size;
public float Size {
@@ -175,6 +170,7 @@ namespace Cryville.Crtr.Components {
UpdateFrames();
mesh.Mesh.Clear();
UpdateScale();
Value.OnUpdate += UpdateScale;
}
}
}

17
Assets/Cryville/Crtr/PropOp.cs
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@@ -4,6 +4,7 @@ using System;
using System.Collections.Generic;
using System.Reflection;
using RBeatTime = Cryville.Crtr.BeatTime;
using RTargetString = Cryville.Common.Buffers.TargetString;
namespace Cryville.Crtr {
public abstract class PropOp : PdtOperator {
@@ -45,6 +46,22 @@ namespace Cryville.Crtr {
_cb(GetOperand(0).AsString());
}
}
public class TargetString : PropOp {
readonly Func<RTargetString> _cb;
public TargetString(Func<RTargetString> cb) { _cb = cb; }
protected override unsafe void Execute() {
var target = _cb();
var op = GetOperand(0);
if (op.Type != PdtInternalType.String) throw new ArgumentException("Not a string");
var ptr = (byte*)op.TrustedAsOfLength(op.Length);
var len = *(int*)ptr;
target.Length = len;
var cptr = (char*)(ptr + sizeof(int));
for (int i = 0; i < len; i++)
target[i] = cptr[i];
target.Validate();
}
}
public class Identifier : PropOp {
readonly Action<int> _cb;
public Identifier(Action<int> cb) { _cb = cb; }