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Obj renderer: Support changing tex wrap mode & disabling face culling #2

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Obj renderer: Support changing tex wrap mode & disabling face culling #2

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18 changes: 14 additions & 4 deletions Framework/SimpleObjRenderer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,9 @@ struct UniqueVertex

public bool Highlighted;
public bool BlendingEnabled;
public bool FaceCullingEnabled;
public Vector4 TintColor;
public TextureWrapMode TexWrapMode;

private int m_vertexVBO;
private int m_indexVBO;
Expand All @@ -36,7 +38,7 @@ struct UniqueVertex
private bool m_hasBeenDisposed = false;


public SimpleObjRenderer(Obj file, Vector4 tint_color, bool enable_blending = false)
public SimpleObjRenderer(Obj file, Vector4 tint_color, bool enable_blending = false, bool enable_face_culling = true, TextureWrapMode wrap_mode = TextureWrapMode.Repeat)
{
m_vertexVBO = GL.GenBuffer();
m_indexVBO = GL.GenBuffer();
Expand All @@ -55,7 +57,9 @@ public SimpleObjRenderer(Obj file, Vector4 tint_color, bool enable_blending = fa
m_highlightedShader.LinkShader();

BlendingEnabled = enable_blending;
FaceCullingEnabled = enable_face_culling;
TintColor = tint_color;
TexWrapMode = wrap_mode;

// Generate an array of all vertices instead of the compact form OBJ comes as.
Vector3[] positions = null;
Expand Down Expand Up @@ -131,8 +135,8 @@ public SimpleObjRenderer(Obj file, Vector4 tint_color, bool enable_blending = fa
Obj.ObjMaterial mat = file.Material;

GL.BindTexture(TextureTarget.Texture2D, m_textureVBO);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TexWrapMode);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TexWrapMode);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);

Expand All @@ -159,7 +163,13 @@ public void Render(Matrix4 viewMatrix, Matrix4 projMatrix, Matrix4 modelMatrix)
{
GL.FrontFace(FrontFaceDirection.Cw);
GL.CullFace(CullFaceMode.Front);
GL.Enable(EnableCap.CullFace);
if (FaceCullingEnabled)
{
GL.Enable(EnableCap.CullFace);
} else
{
GL.Disable(EnableCap.CullFace);
}
GL.Enable(EnableCap.DepthTest);

if (BlendingEnabled)
Expand Down