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Replace Dec3N vertex format with RGBA8 SNorm

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The game uses DXGI_FORMAT_R8G8B8A8_SNORM when building the D3D11
input-layout for what CW called Dec3N.

Updated XML import/export to correctly read these values.
This commit is contained in:
alexguirre 2024-08-03 15:07:41 +02:00
parent 3d22e9b2a4
commit 43c3567803
3 changed files with 22 additions and 37 deletions
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51
CodeWalker.Core/GameFiles/Resources/Drawable.cs
View File

@ -3779,7 +3779,7 @@ namespace CodeWalker.GameFiles
case VertexComponentType.Float2: SetVector2(v, c, new Vector2(f(0), f(1))); break; case VertexComponentType.Float2: SetVector2(v, c, new Vector2(f(0), f(1))); break;
case VertexComponentType.Float3: SetVector3(v, c, new Vector3(f(0), f(1), f(2))); break; case VertexComponentType.Float3: SetVector3(v, c, new Vector3(f(0), f(1), f(2))); break;
case VertexComponentType.Float4: SetVector4(v, c, new Vector4(f(0), f(1), f(2), f(3))); break; case VertexComponentType.Float4: SetVector4(v, c, new Vector4(f(0), f(1), f(2), f(3))); break;
case VertexComponentType.Dec3N: SetDec3N(v, c, new Vector4(f(0), f(1), f(2), f(3))); break; case VertexComponentType.RGBA8SNorm: SetRGBA8SNorm(v, c, new Vector4(f(0), f(1), f(2), f(3))); break;
case VertexComponentType.Half2: SetHalf2(v, c, new Half2(f(0), f(1))); break; case VertexComponentType.Half2: SetHalf2(v, c, new Half2(f(0), f(1))); break;
case VertexComponentType.Half4: SetHalf4(v, c, new Half4(f(0), f(1), f(2), f(3))); break; case VertexComponentType.Half4: SetHalf4(v, c, new Half4(f(0), f(1), f(2), f(3))); break;
case VertexComponentType.Colour: SetColour(v, c, new Color(b(0), b(1), b(2), b(3))); break; case VertexComponentType.Colour: SetColour(v, c, new Color(b(0), b(1), b(2), b(3))); break;
@ -3862,30 +3862,22 @@ namespace CodeWalker.GameFiles
} }
} }
} }
public void SetDec3N(int v, int c, Vector4 val) public void SetRGBA8SNorm(int v, int c, Vector4 val)
{ {
//see https://docs.microsoft.com/en-us/previous-versions/windows/desktop/bb322868(v%3Dvs.85) // Equivalent to DXGI_FORMAT_R8G8B8A8_SNORM
if ((Info != null) && (VertexBytes != null)) if ((Info != null) && (VertexBytes != null))
{ {
var s = Info.Stride; var s = Info.Stride;
var co = Info.GetComponentOffset(c); var co = Info.GetComponentOffset(c);
var o = (v * s) + co; var o = (v * s) + co;
var e = o + 4;//sizeof(Dec3N) var e = o + 4;//sizeof(RGBA8SNorm)
if (e <= VertexBytes.Length) if (e <= VertexBytes.Length)
{ {
var sx = (val.X >= 0.0f); var x = (byte)Math.Max(-127.0f, Math.Min(val.X * 127.0f, 127.0f));
var sy = (val.Y >= 0.0f); var y = (byte)Math.Max(-127.0f, Math.Min(val.Y * 127.0f, 127.0f));
var sz = (val.Z >= 0.0f); var z = (byte)Math.Max(-127.0f, Math.Min(val.Z * 127.0f, 127.0f));
var sw = (val.W >= 0.0f); var w = (byte)Math.Max(-127.0f, Math.Min(val.W * 127.0f, 127.0f));
var x = Math.Min((uint)(Math.Abs(val.X) * 511.0f), 511); var u = x | (y << 8) | (z << 16) | (w << 24);
var y = Math.Min((uint)(Math.Abs(val.Y) * 511.0f), 511);
var z = Math.Min((uint)(Math.Abs(val.Z) * 511.0f), 511);
var w = Math.Min((uint)(val.W), 2);
var ux = ((sx ? x : ~x) & 0x1FF) + (sx ? 0x200 : 0);
var uy = ((sy ? y : ~y) & 0x1FF) + (sy ? 0x200 : 0);
var uz = ((sz ? z : ~z) & 0x1FF) + (sz ? 0x200 : 0);
var uw = sw ? w : 3;//(0,1,2)=>(0,1,2); (-1)=>(3)
var u = ux + (uy << 10) + (uz << 20) + (uw << 30);
var b = BitConverter.GetBytes(u); var b = BitConverter.GetBytes(u);
Buffer.BlockCopy(b, 0, VertexBytes, o, 4); Buffer.BlockCopy(b, 0, VertexBytes, o, 4);
} }
@ -3973,7 +3965,7 @@ namespace CodeWalker.GameFiles
case VertexComponentType.Float2: return FloatUtil.GetVector2String(GetVector2(v, c), d); case VertexComponentType.Float2: return FloatUtil.GetVector2String(GetVector2(v, c), d);
case VertexComponentType.Float3: return FloatUtil.GetVector3String(GetVector3(v, c), d); case VertexComponentType.Float3: return FloatUtil.GetVector3String(GetVector3(v, c), d);
case VertexComponentType.Float4: return FloatUtil.GetVector4String(GetVector4(v, c), d); case VertexComponentType.Float4: return FloatUtil.GetVector4String(GetVector4(v, c), d);
case VertexComponentType.Dec3N: return FloatUtil.GetVector4String(GetDec3N(v, c), d); case VertexComponentType.RGBA8SNorm: return FloatUtil.GetVector4String(GetRGBA8SNorm(v, c), d);
case VertexComponentType.Half2: return FloatUtil.GetHalf2String(GetHalf2(v, c), d); case VertexComponentType.Half2: return FloatUtil.GetHalf2String(GetHalf2(v, c), d);
case VertexComponentType.Half4: return FloatUtil.GetHalf4String(GetHalf4(v, c), d); case VertexComponentType.Half4: return FloatUtil.GetHalf4String(GetHalf4(v, c), d);
case VertexComponentType.Colour: return FloatUtil.GetColourString(GetColour(v, c), d); case VertexComponentType.Colour: return FloatUtil.GetColourString(GetColour(v, c), d);
@ -4054,29 +4046,22 @@ namespace CodeWalker.GameFiles
} }
return Vector4.Zero; return Vector4.Zero;
} }
public Vector4 GetDec3N(int v, int c) public Vector4 GetRGBA8SNorm(int v, int c)
{ {
//see https://docs.microsoft.com/en-us/previous-versions/windows/desktop/bb322868(v%3Dvs.85) // Equivalent to DXGI_FORMAT_R8G8B8A8_SNORM
if ((Info != null) && (VertexBytes != null)) if ((Info != null) && (VertexBytes != null))
{ {
var s = Info.Stride; var s = Info.Stride;
var co = Info.GetComponentOffset(c); var co = Info.GetComponentOffset(c);
var o = (v * s) + co; var o = (v * s) + co;
var e = o + 4;//sizeof(Dec3N) var e = o + 4;//sizeof(RGBA8SNorm)
if (e <= VertexBytes.Length) if (e <= VertexBytes.Length)
{ {
var u = BitConverter.ToUInt32(VertexBytes, o); var xyzw = BitConverter.ToUInt32(VertexBytes, o);
var ux = (u >> 0) & 0x3FF; var x = (sbyte)(xyzw & 0xFF) / 127.0f;
var uy = (u >> 10) & 0x3FF; var y = (sbyte)((xyzw >> 8) & 0xFF) / 127.0f;
var uz = (u >> 20) & 0x3FF; var z = (sbyte)((xyzw >> 16) & 0xFF) / 127.0f;
var uw = (u >> 30) & 0x3; var w = (sbyte)((xyzw >> 24) & 0xFF) / 127.0f;
var sx = (ux & 0x200) > 0;
var sy = (uy & 0x200) > 0;
var sz = (uz & 0x200) > 0;
var x = ((sx ? ux : ~ux) & 0x1FF) / (sx ? 511.0f : -511.0f);
var y = ((sy ? uy : ~uy) & 0x1FF) / (sy ? 511.0f : -511.0f);
var z = ((sz ? uz : ~uz) & 0x1FF) / (sz ? 511.0f : -511.0f);
var w = (uw == 3) ? -1.0f : uw;//(0,1,2)=>(0,1,2); (3)=>(-1)
return new Vector4(x, y, z, w); return new Vector4(x, y, z, w);
} }
} }

6
CodeWalker.Core/GameFiles/Resources/VertexType.cs
View File

@ -19,7 +19,7 @@ namespace CodeWalker.GameFiles
Float4 = 7, Float4 = 7,
UByte4 = 8, UByte4 = 8,
Colour = 9, Colour = 9,
Dec3N = 10, RGBA8SNorm = 10,
Unk1 = 11, Unk1 = 11,
Unk2 = 12, Unk2 = 12,
Unk3 = 13, Unk3 = 13,
@ -43,7 +43,7 @@ namespace CodeWalker.GameFiles
case VertexComponentType.Float4: return 16; case VertexComponentType.Float4: return 16;
case VertexComponentType.UByte4: return 4; case VertexComponentType.UByte4: return 4;
case VertexComponentType.Colour: return 4; case VertexComponentType.Colour: return 4;
case VertexComponentType.Dec3N: return 4; case VertexComponentType.RGBA8SNorm: return 4;
default: return 0; default: return 0;
} }
} }
@ -62,7 +62,7 @@ namespace CodeWalker.GameFiles
case VertexComponentType.Float4: return 4; case VertexComponentType.Float4: return 4;
case VertexComponentType.UByte4: return 4; case VertexComponentType.UByte4: return 4;
case VertexComponentType.Colour: return 4; case VertexComponentType.Colour: return 4;
case VertexComponentType.Dec3N: return 4; case VertexComponentType.RGBA8SNorm: return 4;
default: return 0; default: return 0;
} }
} }

2
CodeWalker/Rendering/VertexTypes.cs
View File

@ -46,7 +46,7 @@ namespace CodeWalker.Rendering
case VertexComponentType.Float4: return Format.R32G32B32A32_Float; case VertexComponentType.Float4: return Format.R32G32B32A32_Float;
case VertexComponentType.UByte4: return Format.R8G8B8A8_UInt; case VertexComponentType.UByte4: return Format.R8G8B8A8_UInt;
case VertexComponentType.Colour: return Format.R8G8B8A8_UNorm; case VertexComponentType.Colour: return Format.R8G8B8A8_UNorm;
case VertexComponentType.Dec3N: return Format.R10G10B10A2_UNorm; case VertexComponentType.RGBA8SNorm: return Format.R8G8B8A8_SNorm;
default: return Format.Unknown; default: return Format.Unknown;
} }
} }