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Fix wrong UV map being used to generate tangents on TOTK (#644)

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* Fix wrong UV map being used to generate tangents on TOTK

* use o_texture2_texcoord instead
This commit is contained in:
MediaMoots 2023-07-12 06:04:40 +08:00 committed by GitHub
parent d7a161200d
commit 66d490679f
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 67 additions and 42 deletions
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12
File_Format_Library/FileFormats/BFRES/Bfres Structs/SubFiles/FMDL.cs
View file

@ -383,7 +383,7 @@ namespace Bfres.Structs
}
}
bool UseUVLayer2 = false;
int UseUVIndex = 0;
//for BOTW if it uses UV layer 2 for normal maps use second UV map
if (shp.GetFMAT().shaderassign.options.ContainsKey("uking_texture2_texcoord"))
@ -391,10 +391,16 @@ namespace Bfres.Structs
float value = float.Parse(shp.GetFMAT().shaderassign.options["uking_texture2_texcoord"]);
if (value == 1)
UseUVLayer2 = true;
UseUVIndex = 1;
}
shp.CalculateTangentBitangent(UseUVLayer2);
//for TOTK use o_texture2_texcoord to find required uv layer for tangents
if (shp.GetFMAT().shaderassign.options.ContainsKey("o_texture2_texcoord"))
{
UseUVIndex = int.TryParse(shp.GetFMAT().shaderassign.options["o_texture2_texcoord"], out UseUVIndex) ? UseUVIndex : 0;
}
shp.CalculateTangentBitangent(UseUVIndex);
shp.SaveVertexBuffer(GetResFileU() != null);
}

17
File_Format_Library/FileFormats/BFRES/Bfres Structs/SubFiles/FMDL/FMAT.cs
View file

@ -261,23 +261,32 @@ namespace Bfres.Structs
}
}
public bool IsNormalMapTexCoord2()
public int GetNormalMapUVIndex()
{
//for BOTW if it uses UV layer 2 for normal maps use second UV map
if (shaderassign.options.ContainsKey("uking_texture2_texcoord"))
{
float value = float.Parse(shaderassign.options["uking_texture2_texcoord"]);
return (value == 1);
return (int)value;
}
//for TOTK use o_texture2_texcoord to find required uv layer for tangents
if (shaderassign.options.ContainsKey("o_texture2_texcoord"))
{
return int.TryParse(shaderassign.options["o_texture2_texcoord"], out int UseUVIndex) ? UseUVIndex : 0;
}
//For 3D world
if (shaderassign.options.ContainsKey("cIsEnableNormalMap"))
{
float value = float.Parse(shaderassign.options["cIsEnableNormalMap"]);
return (value == 1);
if (value == 1)
{
return 1;
}
}
return false;
return 0;
}
public void SetActiveGame()

18
File_Format_Library/FileFormats/BFRES/Bfres Structs/SubFiles/FMDL/FSHP.cs
View file

@ -674,14 +674,14 @@ namespace Bfres.Structs
{
try
{
bool UseUVLayer2 = false;
int UseUVIndex = 0;
//check second UV layer
if (Parent != null) {
UseUVLayer2 = GetFMAT().IsNormalMapTexCoord2();
UseUVIndex = GetFMAT().GetNormalMapUVIndex();
}
CalculateTangentBitangent(UseUVLayer2);
CalculateTangentBitangent(UseUVIndex);
}
catch (Exception ex)
{
@ -784,7 +784,7 @@ namespace Bfres.Structs
}
}
bool UseUVLayer2 = false;
int UseUVIndex = 0;
//for BOTW if it uses UV layer 2 for normal maps use second UV map
if (GetFMAT().shaderassign.options.ContainsKey("uking_texture2_texcoord"))
@ -792,10 +792,16 @@ namespace Bfres.Structs
float value = float.Parse(GetFMAT().shaderassign.options["uking_texture2_texcoord"]);
if (value == 1)
UseUVLayer2 = true;
UseUVIndex = 1;
}
CalculateTangentBitangent(UseUVLayer2);
//for TOTK use o_texture2_texcoord to find required uv layer for tangents
if (GetFMAT().shaderassign.options.ContainsKey("o_texture2_texcoord"))
{
UseUVIndex = int.TryParse(GetFMAT().shaderassign.options["o_texture2_texcoord"], out UseUVIndex) ? UseUVIndex : 0;
}
CalculateTangentBitangent(UseUVIndex);
SaveVertexBuffer(GetResFileU() != null);
UpdateVertexData();
Cursor.Current = Cursors.Default;

2
File_Format_Library/FileFormats/Pokemon/GFLX/GFBMDL/GFBMDL.cs
View file

@ -595,7 +595,7 @@ namespace FirstPlugin
if (setting.HasTangents || setting.HasBitangents)
{
try {
mesh.CalculateTangentBitangent(false);
mesh.CalculateTangentBitangent(0);
}
catch { }
}

2
File_Format_Library/FileFormats/Pokemon/GFLX/GFBMDL/GFLXMesh.cs
View file

@ -124,7 +124,7 @@ namespace FirstPlugin
private void CalculateTangentBitangenAction(object sender, EventArgs args)
{
this.CalculateTangentBitangent(false);
this.CalculateTangentBitangent(0);
UpdateMesh();
}

58
Switch_Toolbox_Library/Generics/GenericObject.cs
View file

@ -276,7 +276,7 @@ namespace Toolbox.Library
}
}
public void CalculateTangentBitangent(bool UseUVLayer2)
public void CalculateTangentBitangent(int UseUVIndex)
{
if (vertices.Count < 3)
return;
@ -286,7 +286,7 @@ namespace Toolbox.Library
Vector3[] tanArray = new Vector3[vertices.Count];
Vector3[] bitanArray = new Vector3[vertices.Count];
CalculateTanBitanArrays(f, tanArray, bitanArray, UseUVLayer2);
CalculateTanBitanArrays(f, tanArray, bitanArray, UseUVIndex);
ApplyTanBitanArray(tanArray, bitanArray);
}
@ -309,7 +309,7 @@ namespace Toolbox.Library
}
}
private void CalculateTanBitanArrays(List<int> faces, Vector3[] tanArray, Vector3[] bitanArray, bool UseUVLayer2)
private void CalculateTanBitanArrays(List<int> faces, Vector3[] tanArray, Vector3[] bitanArray, int UseUVIndex)
{
if (vertices.Count < 3 || faces.Count <= 0)
return;
@ -331,22 +331,33 @@ namespace Toolbox.Library
float z2 = v3.pos.Z - v1.pos.Z;
float s1, s2, t1, t2;
if (UseUVLayer2)
{
s1 = v2.uv1.X - v1.uv1.X;
s2 = v3.uv1.X - v1.uv1.X;
t1 = v2.uv1.Y - v1.uv1.Y;
t2 = v3.uv1.Y - v1.uv1.Y;
}
else
{
s1 = v2.uv0.X - v1.uv0.X;
s2 = v3.uv0.X - v1.uv0.X;
t1 = v2.uv0.Y - v1.uv0.Y;
t2 = v3.uv0.Y - v1.uv0.Y;
}
List<Vector2> v1Uvs = new List<Vector2> {
v1.uv0,
v1.uv1,
v1.uv2,
v1.uv3
};
List<Vector2> v2Uvs = new List<Vector2> {
v2.uv0,
v2.uv1,
v2.uv2,
v2.uv3
};
List<Vector2> v3Uvs = new List<Vector2>
{
v3.uv0,
v3.uv1,
v3.uv2,
v3.uv3
};
s1 = v2Uvs[UseUVIndex].X - v1Uvs[UseUVIndex].X;
s2 = v3Uvs[UseUVIndex].X - v1Uvs[UseUVIndex].X;
t1 = v2Uvs[UseUVIndex].Y - v1Uvs[UseUVIndex].Y;
t2 = v3Uvs[UseUVIndex].Y - v1Uvs[UseUVIndex].Y;
float div = (s1 * t2 - s2 * t1);
float r = 1.0f / div;
@ -368,16 +379,9 @@ namespace Toolbox.Library
// Prevents black tangents or bitangents due to having vertices with the same UV coordinates.
float delta = 0.00075f;
bool sameU, sameV;
if (UseUVLayer2)
{
sameU = (Math.Abs(v1.uv1.X - v2.uv1.X) < delta) && (Math.Abs(v2.uv1.X - v3.uv1.X) < delta);
sameV = (Math.Abs(v1.uv1.Y - v2.uv1.Y) < delta) && (Math.Abs(v2.uv1.Y - v3.uv1.Y) < delta);
}
else
{
sameU = (Math.Abs(v1.uv0.X - v2.uv0.X) < delta) && (Math.Abs(v2.uv0.X - v3.uv0.X) < delta);
sameV = (Math.Abs(v1.uv0.Y - v2.uv0.Y) < delta) && (Math.Abs(v2.uv0.Y - v3.uv0.Y) < delta);
}
sameU = (Math.Abs(v1Uvs[UseUVIndex].X - v2Uvs[UseUVIndex].X) < delta) && (Math.Abs(v2Uvs[UseUVIndex].X - v3Uvs[UseUVIndex].X) < delta);
sameV = (Math.Abs(v1Uvs[UseUVIndex].Y - v2Uvs[UseUVIndex].Y) < delta) && (Math.Abs(v2Uvs[UseUVIndex].Y - v3Uvs[UseUVIndex].Y) < delta);
if (sameU || sameV)
{