//The base tab is the outline surrounding the color picker, as well as teh "Player Color" label and associated "Selected Color" image.
private static void InitializeBaseTabElement(RectTransform joinServerBackground, GameObject playerSettingsPanel)
{
GameObject baseTab = playerSettingsPanel.RequireGameObject("BaseTab");
//Re-position the border
RectTransform baseTabTransform = (RectTransform)baseTab.transform;
baseTabTransform.anchoredPosition = new Vector2(0.5f, 0.5f);
baseTabTransform.anchorMin = new Vector2(0.5f, 0.5f);
baseTabTransform.anchorMax = new Vector2(0.5f, 0.5f);
baseTabTransform.pivot = new Vector2(0.5f, 0.5f);
//Resize the border to match the new parent. Capture the original width so we can make adjustments to child controls later
//because the existing elements all have some really weird anchor settings the prevent them from moving automatically.
float originalBaseTabWidth = baseTabTransform.rect.width;
baseTabTransform.sizeDelta = new Vector2(joinServerBackground.rect.width, baseTabTransform.rect.height);
//Move the SelectedColor element over to the right enough to match the shrinkage of the base tab.
GameObject baseTabSelectedColor = baseTabTransform.RequireGameObject("SelectedColor");
Image baseTabSelectedColorImage = baseTabSelectedColor.GetComponent <Image>();
baseTabSelectedColorImage.rectTransform.anchoredPosition = new Vector2(
baseTabSelectedColorImage.rectTransform.anchoredPosition.x + (originalBaseTabWidth - baseTabTransform.rect.width) / 2,
baseTabSelectedColorImage.rectTransform.anchoredPosition.y);
//Place the "Player Color" label to the right of the SelectedColor image and shrink it to fit the new tab region.
GameObject baseTabTextGameObject = baseTabTransform.RequireGameObject("Text");
RectTransform baseTabTextTransform = (RectTransform)baseTabTextGameObject.transform;
baseTabTextTransform.anchorMin = new Vector2(0.5f, 0.5f);
baseTabTextTransform.anchorMax = new Vector2(0.5f, 0.5f);
baseTabTextTransform.pivot = new Vector2(0.5f, 0.5f);
baseTabTextTransform.sizeDelta = new Vector2(80, 35);
baseTabTextTransform.anchoredPosition = new Vector2(
baseTabSelectedColorImage.rectTransform.anchoredPosition.x + baseTabTextTransform.rect.width / 2f + 22f,
baseTabSelectedColorImage.rectTransform.anchoredPosition.y);
Text baseTabText = baseTabTextGameObject.GetComponent <Text>();
baseTabText.text = "Player Color";
//This resizes the actual Image that outlines all of the UI elements.
GameObject baseTabBackgroundGameObject = baseTabTransform.RequireGameObject("Background");
Image baseTabBackgroundImage = baseTabBackgroundGameObject.GetComponent <Image>();
baseTabBackgroundImage.rectTransform.sizeDelta = new Vector2(joinServerBackground.rect.width, baseTabTransform.rect.height);
//This removes the extra "tabs" from the base texture.
Texture2D newBaseTabTexture = baseTabBackgroundImage.sprite.texture.Clone();
TextureBlock textureBlock = new TextureBlock(3, 3, 160, (int)(baseTabBackgroundImage.sprite.textureRect.height - 71f));
IColorSwapStrategy alphaChannelSwapper = new AlphaChannelSwapper(0f);
HsvSwapper baseTabBackgroundSwapper = new HsvSwapper(alphaChannelSwapper);
baseTabBackgroundSwapper.SetHueRange(185f, 215f);
baseTabBackgroundSwapper.SetAlphaRange(0f, 175f);
newBaseTabTexture.SwapTextureColors(baseTabBackgroundSwapper, textureBlock);
baseTabBackgroundImage.sprite = Sprite.Create(newBaseTabTexture, new Rect(baseTabBackgroundImage.sprite.textureRect), new Vector2(0f, 0f));
}
//This applies a color filter to a specific region of a 2D texture.
public static void SwapTextureColors(
this Texture2D texture,
HsvSwapper filter,
TextureBlock textureBlock)
{
Color[] pixels = texture.GetPixels(textureBlock.X, textureBlock.Y, textureBlock.BlockWidth, textureBlock.BlockHeight);
filter.SwapColors(pixels);
texture.SetPixels(textureBlock.X, textureBlock.Y, textureBlock.BlockWidth, textureBlock.BlockHeight, pixels);
texture.Apply();
}