void SetupTexture()
{
_boundsMinX = float.MaxValue;
_boundsMinY = float.MaxValue;
_boundsMaxX = float.MinValue;
_boundsMaxY = float.MinValue;
SpriteRendererExt.GetActiveBounds(sprite, ref _boundsMinX, ref _boundsMinY, ref _boundsMaxX, ref _boundsMaxY, includeChildren, ShouldIgnoreSprite);
int padding = outlineSize * 2;
int width = Mathf.CeilToInt((_boundsMaxX - _boundsMinX) * sprite.sprite.pixelsPerUnit) + padding;
int height = Mathf.CeilToInt((_boundsMaxY - _boundsMinY) * sprite.sprite.pixelsPerUnit) + padding;
if (!texture)
{
texture = new Texture2D(width, height, TextureFormat.RGBA32, false);
texture.filterMode = sprite.sprite.texture.filterMode;
texture.wrapMode = sprite.sprite.texture.wrapMode;
}
else
{
texture.Resize(width, height);
}
}
public void Regenerate()
{
if (useExportedFrame != _cachedUseExportedFrame)
{
_shouldRegenerateMaterial = true;
}
if (!material || _shouldRegenerateMaterial)
{
string shaderName = useExportedFrame ? "Particles/Alpha Blended Premultiply" : "Sprites/Outline";
Shader shader = Shader.Find(shaderName);
if (!shader)
{
LogError("Material cannot be created (\"{0}\" shader is missing)", shaderName); // NOTE: This should never happen.
return;
}
material = new Material(shader);
texture = null; // Force the texture to be recreated.
_cachedUseExportedFrame = useExportedFrame;
_shouldRegenerateMaterial = false;
}
if (!outline)
{
TryGetOutline();
if (!outline)
{
outline = new GameObject("Outline");
}
}
outline.transform.SetParent(transform, false);
TryGetSprite();
if (!sprite)
{
return;
}
if (spriteRenderer && !outlineSpriteRenderer)
{
outlineSpriteRenderer = outline.AddComponent <SpriteRenderer> ();
}
else if (image && !outlineImage)
{
outlineImage = outline.AddComponent <Image> ();
}
Vector3 cachedPosition = transform.position;
Quaternion cachedRotation = transform.rotation;
Vector3 cachedScale = transform.localScale;
transform.position = Vector3.zero;
transform.rotation = Quaternion.identity;
_scale.x = transform.localScale.x / transform.lossyScale.x;
_scale.y = transform.localScale.y / transform.lossyScale.y;
_scale.z = transform.localScale.z / transform.lossyScale.z;
transform.localScale = _scale;
if (outlineSpriteRenderer)
{
outlineSpriteRenderer.material = material;
}
else if (outlineImage)
{
outlineImage.material = material;
}
_boundsMinX = float.MaxValue;
_boundsMinY = float.MaxValue;
_boundsMaxX = float.MinValue;
_boundsMaxY = float.MinValue;
if (outlineSpriteRenderer)
{
SpriteRendererExt.GetActiveBounds(spriteRenderer, ref _boundsMinX, ref _boundsMinY, ref _boundsMaxX, ref _boundsMaxY, includeChildren, ShouldIgnoreSprite);
}
else if (outlineImage)
{
ImageExt.GetActiveBounds(image, ref _boundsMinX, ref _boundsMinY, ref _boundsMaxX, ref _boundsMaxY, includeChildren, ShouldIgnoreSprite);
}
if (_boundsMinX == float.MaxValue)
{
SetTransformValues(cachedPosition, cachedRotation, cachedScale);
LogError("Outline cannot be created (there are no active sprites)");
return;
}
if (useExportedFrame)
{
string sanitizedName = GetSanitizedName((customFrameName != string.Empty) ? customFrameName : name);
string resourcePath = sanitizedName + RESOURCE_EXT;
texture = Resources.Load <Texture2D> (resourcePath);
if (!texture)
{
SetTransformValues(cachedPosition, cachedRotation, cachedScale);
string texturePath = RESOURCE_DIR + sanitizedName + IMAGE_EXT;
LogError("Exported frame \"{0}\" not found (disable \"Use Exported Frame\" and press \"Export\" to fix)", texturePath);
return;
}
}
else
{
SetupTexture();
ClearTexture();
_sortingSpriteRenderer = null;
try {
FillTexture(gameObject, sprite);
} catch (UnityException e) {
SetTransformValues(cachedPosition, cachedRotation, cachedScale);
int startIndex = e.Message.IndexOf("'");
int endIndex = e.Message.IndexOf("'", startIndex + 1) + 1;
string textureName = e.Message.Substring(startIndex, endIndex - startIndex);
LogError("Texture {0} is not readable (turn on \"Read/Write Enabled\" in its Import Settings to fix)", textureName);
return;
}
texture.Apply();
material.SetInt("_Size", size);
material.SetInt("_BlurSize", blurSize);
material.SetColor("_Color", color);
material.SetFloat("_BlurAlphaMultiplier", blurAlphaMultiplier);
material.SetFloat("_BlurAlphaChoke", blurAlphaChoke);
material.SetInt("_InvertBlur", invertBlur ? 1 : 0);
material.SetFloat("_AlphaThreshold", alphaThreshold);
material.SetInt("_Buffer", buffer);
}
_textureRect.width = texture.width;
_textureRect.height = texture.height;
_anchor.x = (sprite.pivot.x + GetOffsetX(gameObject, sprite)) / texture.width;
_anchor.y = (sprite.pivot.y + GetOffsetY(gameObject, sprite)) / texture.height;
Sprite outlineSprite = Sprite.Create(texture, _textureRect, _anchor, sprite.pixelsPerUnit, 0, SpriteMeshType.FullRect);
if (outlineSpriteRenderer)
{
outlineSpriteRenderer.sprite = outlineSprite;
}
else if (outlineImage)
{
outlineImage.sprite = outlineSprite;
float pixelsPerUnit = (image.canvas.referencePixelsPerUnit / sprite.pixelsPerUnit);
_anchor.x = -(GetOffsetX(gameObject, sprite) + sprite.textureRect.width / 2 - texture.width / 2f) * pixelsPerUnit;
_anchor.y = -(GetOffsetY(gameObject, sprite) + sprite.textureRect.height / 2 - texture.height / 2f) * pixelsPerUnit;
outlineImage.rectTransform.anchoredPosition = _anchor;
outlineImage.SetNativeSize();
outlineImage.canvasRenderer.Clear();
}
SetTransformValues(cachedPosition, cachedRotation, cachedScale);
SortOutline(); // NOTE: Must sort after resetting the transform values to calculate the correct Z-axis value.
if (Application.isPlaying && isAnimated)
{
if (useExportedFrame) // Do not cache the exported frame as animations are not currently supported.
{
return;
}
Texture2D textureClone = Texture2D.Instantiate(texture);
Sprite outlineSpriteClone = Sprite.Create(textureClone, _textureRect, _anchor, sprite.pixelsPerUnit, 0, SpriteMeshType.FullRect);
int spriteFrameId = sprite.GetInstanceID();
_cachedOutlineSprites [spriteFrameId] = outlineSpriteClone;
if (outlineImage)
{
_cachedOutlineAnchors [spriteFrameId] = outlineImage.rectTransform.anchoredPosition;
}
}
}