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@@ -0,0 +1,154 @@
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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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+using System.Text;
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+
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+using SharpGLTF.Schema2;
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+
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+namespace SharpGLTF.Debug
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+{
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+ static class DebuggerDisplay
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+ {
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+ internal static string GetAttributeShortName(string attributeName)
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+ {
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+ if (attributeName == "POSITION") return "𝐏";
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+ if (attributeName == "NORMAL") return "𝚴";
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+ if (attributeName == "TANGENT") return "𝚻";
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+ if (attributeName == "COLOR_0") return "𝐂₀";
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+ if (attributeName == "COLOR_1") return "𝐂₁";
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+ if (attributeName == "TEXCOORD_0") return "𝐔𝐕₀";
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+ if (attributeName == "TEXCOORD_1") return "𝐔𝐕₁";
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+
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+ if (attributeName == "JOINTS_0") return "𝐉₀";
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+ if (attributeName == "JOINTS_1") return "𝐉₁";
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+
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+ if (attributeName == "WEIGHTS_0") return "𝐖₀";
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+ if (attributeName == "WEIGHTS_1") return "𝐖₁";
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+ return attributeName;
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+ }
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+
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+ public static String ToReport(this Memory.MemoryAccessInfo minfo)
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+ {
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+ var txt = GetAttributeShortName(minfo.Name);
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+ if (minfo.ByteOffset != 0) txt += $" Offs:{minfo.ByteOffset}ᴮʸᵗᵉˢ";
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+ if (minfo.ByteStride != 0) txt += $" Strd:{minfo.ByteStride}ᴮʸᵗᵉˢ";
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+ txt += $" {minfo.Encoding.ToDebugString(minfo.Dimensions, minfo.Normalized)}[{minfo.ItemsCount}]";
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+
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+ return txt;
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+ }
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+
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+ public static string ToReport(this BufferView bv)
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+ {
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+ var path = string.Empty;
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+
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+ if (bv.DeviceBufferTarget == BufferMode.ARRAY_BUFFER) path += " VertexView";
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+ else if (bv.DeviceBufferTarget == BufferMode.ELEMENT_ARRAY_BUFFER) path += " IndexView";
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+ else path += " BufferView";
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+
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+ var content = bv.Content;
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+
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+ path += $"[{bv.LogicalIndex}ᴵᵈˣ]";
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+ path += $"[{content.Count}ᴮʸᵗᵉˢ]";
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+
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+ if (bv.ByteStride > 0) path += $" Stride:{bv.ByteStride}ᴮʸᵗᵉˢ";
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+
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+ return path;
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+ }
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+
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+ public static string ToReportShort(this Accessor accessor)
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+ {
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+ return $"{accessor.Encoding.ToDebugString(accessor.Dimensions, accessor.Normalized)}[{accessor.Count}ᴵᵗᵉᵐˢ]";
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+ }
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+
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+ public static string ToReportLong(this Accessor accessor)
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+ {
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+ var path = string.Empty;
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+
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+ var bv = accessor.SourceBufferView;
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+
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+ if (bv.DeviceBufferTarget == BufferMode.ARRAY_BUFFER) path += "VertexBuffer";
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+ else if (bv.DeviceBufferTarget == BufferMode.ELEMENT_ARRAY_BUFFER) path += "IndexBuffer";
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+ else path += "BufferView";
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+ path += $"[{bv.LogicalIndex}ᴵᵈˣ] ⇨";
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+
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+ path += $" Accessor[{accessor.LogicalIndex}ᴵᵈˣ] Offset:{accessor.ByteOffset}ᴮʸᵗᵉˢ ⇨";
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+
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+ path += $" {accessor.Encoding.ToDebugString(accessor.Dimensions, accessor.Normalized)}[{accessor.Count}ᴵᵗᵉᵐˢ]";
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+
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+ if (accessor.IsSparse) path += " SPARSE";
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+
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+ return path;
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+ }
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+
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+ public static string ToReport(this MeshPrimitive prim, string txt)
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+ {
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+ // gather vertex attribute information
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+
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+ var vcounts = prim.VertexAccessors.Values
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+ .Select(item => item.Count)
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+ .Distinct();
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+
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+ var vcount = vcounts.First();
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+
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+ if (vcounts.Count() > 1)
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+ {
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+ var vAccessors = prim.VertexAccessors
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+ .OrderBy(item => item.Key, Memory.MemoryAccessInfo.NameComparer)
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+ .Select(item => $"{GetAttributeShortName(item.Key)}={item.Value.ToReportShort()}")
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+ .ToList();
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+
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+ txt += $" Vrts: {String.Join(" ", vAccessors)} ⚠️Vertex Count mismatch⚠️";
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+ }
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+ else
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+ {
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+ string toShort(string name, Accessor accessor)
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+ {
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+ name = GetAttributeShortName(name);
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+ var t = accessor.Encoding.ToDebugString(accessor.Dimensions, accessor.Normalized);
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+ return $"{name}.{t}";
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+ }
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+
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+ var vAccessors = prim.VertexAccessors
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+ .OrderBy(item => item.Key, Memory.MemoryAccessInfo.NameComparer)
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+ .Select(item => toShort(item.Key, item.Value))
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+ .ToList();
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+
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+ txt += $" Vrts: ( {String.Join(" ", vAccessors)} )[{vcount}]";
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+ }
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+
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+ // gather index attribute information
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+
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+ var indices = prim.IndexAccessor?.AsIndicesArray();
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+ var pcount = 0;
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+
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+ switch (prim.DrawPrimitiveType)
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+ {
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+ case PrimitiveType.POINTS:
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+ pcount = vcount;
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+ break;
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+ case PrimitiveType.LINES:
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+ case PrimitiveType.LINE_LOOP:
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+ case PrimitiveType.LINE_STRIP:
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+ pcount = indices.HasValue ? prim.DrawPrimitiveType.GetLinesIndices(indices.Value).Count() : prim.DrawPrimitiveType.GetLinesIndices(vcount).Count();
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+ break;
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+ case PrimitiveType.TRIANGLES:
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+ case PrimitiveType.TRIANGLE_FAN:
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+ case PrimitiveType.TRIANGLE_STRIP:
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+ pcount = indices.HasValue ? prim.DrawPrimitiveType.GetTrianglesIndices(indices.Value).Count() : prim.DrawPrimitiveType.GetTrianglesIndices(vcount).Count();
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+ break;
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+ }
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+
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+ txt += $" {prim.DrawPrimitiveType}[{pcount}]";
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+
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+ // materials
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+
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+ if (prim.Material != null)
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+ {
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+ if (string.IsNullOrWhiteSpace(prim.Material.Name)) txt += $" Material[{prim.Material.LogicalIndex}]";
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+ else txt += $" Material {prim.Material.Name}";
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+ }
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+
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+ return txt;
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+ }
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+ }
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+}
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Vicente Penades