wehub-resource-sync
130 lines
4.2 KiB
C#
130 lines
4.2 KiB
C#
namespace Lib.render.@_;
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[Guid("fa45d013-5a1c-45a0-9b05-a4a4edfb06f9")]
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internal sealed class TypoGridBuffer : Instance<TypoGridBuffer>
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{
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[Output(Guid = "{6e6e8ce0-2b62-41f5-893d-9a20219faf82}")]
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public readonly Slot<Buffer> Buffer = new();
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[Output(Guid = "{B8CF7AB8-BE34-4C0B-AFFC-CE09748FD6F1}")]
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public readonly Slot<int> VertexCount = new();
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public TypoGridBuffer()
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{
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Buffer.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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var text = Text.GetValue(context);
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var bufferSize = BufferSize.GetValue(context);
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var wrapText = WrapText.GetValue(context);
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var textOffset = TextOffset.GetValue(context);
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var columns = bufferSize.Width;
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var rows = bufferSize.Height;
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if (columns <= 0 || rows <= 0)
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return;
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if ( string.IsNullOrEmpty(text))
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return;
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var textCycle = (int)textOffset.X + (int)(textOffset.Y) * columns;
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var size = rows * columns;
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if (_bufferContent == null || _bufferContent.Length != size)
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{
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_bufferContent = new BufferLayout[size];
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}
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var index = 0;
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char c;
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var highlightChars = HighlightCharacters.GetValue(context);
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for (var rowIndex = 0; rowIndex < rows; rowIndex++)
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{
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for (var columnIndex = 0; columnIndex < columns; columnIndex++)
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{
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if (wrapText)
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{
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var i = (index + textCycle) % text.Length;
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if (i < 0)
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i += text.Length;
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c = text[i];
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}
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else
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{
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var i = index + textCycle;
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var indexIsValid = i >= 0 && i < text.Length;
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c = indexIsValid ? text[i] : ' ';
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}
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var highlight = highlightChars.IndexOf(c) > -1 ? 1f : 0 ; // oh, that's slow!
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_bufferContent[index] = new BufferLayout(
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pos: new Vector2((float)columnIndex / columns, 1 - (float)rowIndex / rows),
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uv: new Vector2(c % 16, (c >> 4)),
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highlight: highlight);
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index++;
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}
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}
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ResourceManager.SetupStructuredBuffer(_bufferContent, ref Buffer.Value);
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Buffer.Value.DebugName = nameof(TypoGridBuffer);
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VertexCount.Value = size * 6;
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}
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private BufferLayout[] _bufferContent;
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[StructLayout(LayoutKind.Explicit, Size = 32)]
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public struct BufferLayout
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{
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public BufferLayout(Vector2 pos, Vector2 uv, float highlight)
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{
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Pos = pos;
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Uv = uv;
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Highlight = highlight;
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}
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[FieldOffset(0)]
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public Vector2 Pos;
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[FieldOffset(2*4)]
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public Vector2 Uv;
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[FieldOffset(4*4)]
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public float Highlight;
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}
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[Input(Guid = "86144B95-9272-4D02-A1A7-67C6544C3BB9")]
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public readonly InputSlot<float> Height = new();
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[Input(Guid = "00B52213-7D87-457A-8A17-F33D471CDAFE")]
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public readonly InputSlot<Int2> BufferSize = new();
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[Input(Guid = "E4AA7336-3D09-470E-B09C-352EFBC706F3")]
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public readonly InputSlot<Vector2> CellSize = new();
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[Input(Guid = "92985EF6-B9C1-4892-BB76-C9CBAD69EC8A")]
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public readonly InputSlot<Vector2> CellPadding = new();
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[Input(Guid = "E815D72E-1C71-42B7-A0A2-994C6E9F2954")]
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public readonly InputSlot<string> Text = new();
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[Input(Guid = "18B86E6A-3A7F-4FE4-9716-57AC19528CFD")]
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public readonly InputSlot<int> TextCycle = new();
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[Input(Guid = "1F34D82F-455E-4D6B-8C36-B058FBB5DE3D")]
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public readonly InputSlot<bool> WrapText = new();
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[Input(Guid = "A9A4470C-980C-4FFF-936B-DA0D28584E02")]
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public readonly InputSlot<Vector2> TextOffset = new();
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[Input(Guid = "DF1A4A1E-F1FB-4FB5-8416-422D224C3D23")]
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public readonly InputSlot<string> HighlightCharacters = new();
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} |