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Add constructor to Patch to copy another Patch using any given format.

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This commit is contained in:
wfowler
2021-04-19 00:29:40 -06:00
parent 3c387857ea
commit a9006409d4
1 changed files with 48 additions and 5 deletions
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53
LibBSP/Source/Structs/BSP/Patch.cs
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@@ -14,16 +14,13 @@ using System.Reflection;
namespace LibBSP {
#if UNITY
using Vector2 = UnityEngine.Vector2;
using Vector3 = UnityEngine.Vector3;
#if !OLDUNITY
using Vertex = UnityEngine.UIVertex;
#endif
#elif GODOT
using Vector2 = Godot.Vector2;
using Vector3 = Godot.Vector3;
#else
using Vector2 = System.Numerics.Vector2;
using Vector3 = System.Numerics.Vector3;
#endif
/// <summary>
@@ -140,11 +137,11 @@ namespace LibBSP {
if (Type == 0) {
return new Vector2(BitConverter.ToInt16(Data, 4), BitConverter.ToInt16(Data, 6));
} else {
return new Vector2(float.NaN, float.NaN);
return new Vector2(0, 0);
}
}
default: {
return new Vector2(float.NaN, float.NaN);
return new Vector2(0, 0);
}
}
}
@@ -366,6 +363,52 @@ namespace LibBSP {
Parent = parent;
}
/// <summary>
/// Creates a new <see cref="Patch"/> by copying the fields in <paramref name="source"/>, using
/// <paramref name="parent"/> to get <see cref="LibBSP.MapType"/> and <see cref="LumpInfo.version"/>
/// to use when creating the new <see cref="Patch"/>.
/// If the <paramref name="parent"/>'s <see cref="BSP"/>'s <see cref="LibBSP.MapType"/> is different from
/// the one from <paramref name="source"/>, it does not matter, because fields are copied by name.
/// </summary>
/// <param name="source">The <see cref="Patch"/> to copy.</param>
/// <param name="parent">
/// The <see cref="ILump"/> to use as the <see cref="Parent"/> of the new <see cref="Patch"/>.
/// Use <c>null</c> to use the <paramref name="source"/>'s <see cref="Parent"/> instead.
/// </param>
public Patch(Patch source, ILump parent) : this() {
Parent = parent;
if (parent != null && parent.Bsp != null) {
if (source.Parent != null && source.Parent.Bsp != null && source.Parent.Bsp.version == parent.Bsp.version && source.LumpVersion == parent.LumpInfo.version) {
Data = new byte[source.Data.Length];
Array.Copy(source.Data, Data, source.Data.Length);
return;
} else {
Data = new byte[GetStructLength(parent.Bsp.version, parent.LumpInfo.version)];
}
} else {
if (source.Parent != null && source.Parent.Bsp != null) {
Data = new byte[GetStructLength(source.Parent.Bsp.version, source.Parent.LumpInfo.version)];
} else {
Data = new byte[GetStructLength(MapType.Undefined, 0)];
}
}
ShaderIndex = source.ShaderIndex;
Type = source.Type;
if (Type == 0) {
Dimensions = source.Dimensions;
Flags = source.Flags;
} else if (Type == 1) {
NumVertices = source.NumVertices;
NumVertexIndices = source.NumVertexIndices;
FirstVertexIndex = source.FirstVertexIndex;
}
FirstVertex = source.FirstVertex;
}
/// <summary>
/// Factory method to parse a <c>byte</c> array into a <see cref="Lump{Patch}"/>.
/// </summary>