static void TrySetTextureTransform(
Schema.TextureInfo textureInfo,
UnityEngine.Material material,
int propertyId
)
{
if (textureInfo.extensions != null && textureInfo.extensions.KHR_texture_transform != null)
{
var tt = textureInfo.extensions.KHR_texture_transform;
if (tt.texCoord != 0)
{
Debug.LogError("Multiple UV sets are not supported!");
}
if (tt.offset != null)
{
material.SetTextureOffset(propertyId, new Vector2(tt.offset[0], 1 - tt.offset[1]));
}
if (tt.rotation != 0)
{
float cos = Mathf.Cos(tt.rotation);
float sin = Mathf.Sin(tt.rotation);
material.SetVector(StandardShaderHelper.mainTexRotatePropId, new Vector4(cos, -sin, sin, cos));
material.EnableKeyword(StandardShaderHelper.KW_UV_ROTATION);
}
if (tt.scale != null)
{
material.SetTextureScale(propertyId, new Vector2(tt.scale[0], -tt.scale[1]));
}
}
}
static bool TrySetTexture(
Schema.TextureInfo textureInfo,
UnityEngine.Material material,
int propertyId,
Schema.Texture[] textures,
Texture2D[] images
)
{
if (textureInfo != null && textureInfo.index >= 0)
{
int bcTextureIndex = textureInfo.index;
if (textures != null && textures.Length > bcTextureIndex)
{
var txt = textures[bcTextureIndex];
if (images != null && images.Length > txt.source)
{
material.SetTexture(propertyId, images[txt.source]);
TrySetTextureTransform(textureInfo, material, propertyId);
return(true);
}
else
{
Debug.LogErrorFormat("Image #{0} not found", txt.source);
}
}
else
{
Debug.LogErrorFormat("Texture #{0} not found", bcTextureIndex);
}
}
return(false);
}
static void TrySetTextureTransform(
Schema.TextureInfo textureInfo,
UnityEngine.Material material,
int propertyId,
bool flipY = false
)
{
Vector2 offset = Vector2.zero;
Vector2 scale = Vector2.one;
if (textureInfo.extensions != null && textureInfo.extensions.KHR_texture_transform != null)
{
var tt = textureInfo.extensions.KHR_texture_transform;
if (tt.texCoord != 0)
{
Debug.LogError("Multiple UV sets are not supported!");
}
float cos = 1;
float sin = 0;
if (tt.offset != null)
{
offset.x = tt.offset[0];
offset.y = 1 - tt.offset[1];
}
if (tt.scale != null)
{
scale.x = tt.scale[0];
scale.y = tt.scale[1];
material.SetTextureScale(propertyId, scale);
}
if (tt.rotation != 0)
{
cos = Mathf.Cos(tt.rotation);
sin = Mathf.Sin(tt.rotation);
material.SetVector(StandardShaderHelper.mainTexRotatePropId, new Vector4(cos, sin, -sin, cos));
material.EnableKeyword(StandardShaderHelper.KW_UV_ROTATION);
offset.x += scale.y * sin;
}
offset.y -= scale.y * cos;
material.SetTextureOffset(propertyId, offset);
}
if (flipY)
{
offset.y = 1 - offset.y;
scale.y = -scale.y;
}
material.SetTextureOffset(propertyId, offset);
material.SetTextureScale(propertyId, scale);
}
static bool TrySetTexture(
Schema.TextureInfo textureInfo,
UnityEngine.Material material,
int propertyId,
ref Schema.Texture[] textures,
ref Schema.Image[] schemaImages,
ref Dictionary <int, Texture2D>[] imageVariants
)
{
if (textureInfo != null && textureInfo.index >= 0)
{
int bcTextureIndex = textureInfo.index;
if (textures != null && textures.Length > bcTextureIndex)
{
var txt = textures[bcTextureIndex];
var imageIndex = txt.GetImageIndex();
Texture2D img = null;
if (imageVariants != null &&
imageIndex >= 0 &&
imageVariants.Length > imageIndex &&
imageVariants[imageIndex] != null &&
imageVariants[imageIndex].TryGetValue(txt.sampler, out img)
)
{
material.SetTexture(propertyId, img);
var isKtx = txt.isKtx;
TrySetTextureTransform(textureInfo, material, propertyId, isKtx);
return(true);
}
else
{
Debug.LogErrorFormat("Image #{0} not found", imageIndex);
}
}
else
{
Debug.LogErrorFormat("Texture #{0} not found", bcTextureIndex);
}
}
return(false);
}
static Texture2D GetTexture(Schema.TextureInfo textureInfo, Schema.Texture[] textures, Texture2D[] images)
{
if (textureInfo != null && textureInfo.index >= 0)
{
int bcTextureIndex = textureInfo.index;
if (textures != null && textures.Length > bcTextureIndex)
{
var txt = textures[bcTextureIndex];
if (images != null && images.Length > txt.source)
{
return(images[txt.source]);
}
else
{
Debug.LogErrorFormat("Image #{0} not found", txt.source);
}
}
else
{
Debug.LogErrorFormat("Texture #{0} not found", bcTextureIndex);
}
}
return(null);
}
static bool TrySetTexture(
Schema.TextureInfo textureInfo,
UnityEngine.Material material,
int propertyId,
ref Schema.Texture[] textures,
ref Schema.Image[] schemaImages,
ref Texture2D[] images
)
{
if (textureInfo != null && textureInfo.index >= 0)
{
int bcTextureIndex = textureInfo.index;
if (textures != null && textures.Length > bcTextureIndex)
{
var txt = textures[bcTextureIndex];
var imageIndex = txt.GetImageIndex();
if (images != null && imageIndex >= 0 && images.Length > imageIndex)
{
material.SetTexture(propertyId, images[imageIndex]);
var isKtx = txt.isKtx;
TrySetTextureTransform(textureInfo, material, propertyId, isKtx);
return(true);
}
else
{
Debug.LogErrorFormat("Image #{0} not found", imageIndex);
}
}
else
{
Debug.LogErrorFormat("Texture #{0} not found", bcTextureIndex);
}
}
return(false);
}