/// <summary>
///
/// </summary>
List <TMP_Sprite> CreateSpriteInfoList(TexturePacker.SpriteDataObject spriteDataObject)
{
List <TexturePacker.SpriteData> importedSprites = spriteDataObject.frames;
List <TMP_Sprite> spriteInfoList = new List <TMP_Sprite>();
for (int i = 0; i < importedSprites.Count; i++)
{
TMP_Sprite sprite = new TMP_Sprite();
sprite.id = i;
sprite.name = Path.GetFileNameWithoutExtension(importedSprites[i].filename) ?? "";
sprite.hashCode = TMP_TextUtilities.GetSimpleHashCode(sprite.name);
// Attempt to extract Unicode value from name
int unicode;
int indexOfSeperator = sprite.name.IndexOf('-');
if (indexOfSeperator != -1)
{
unicode = TMP_TextUtilities.StringToInt(sprite.name.Substring(indexOfSeperator + 1));
}
else
{
unicode = TMP_TextUtilities.StringToInt(sprite.name);
}
sprite.unicode = unicode;
sprite.x = importedSprites[i].frame.x;
sprite.y = m_SpriteAtlas.height - (importedSprites[i].frame.y + importedSprites[i].frame.h);
sprite.width = importedSprites[i].frame.w;
sprite.height = importedSprites[i].frame.h;
//Calculate sprite pivot position
sprite.pivot = importedSprites[i].pivot;
// Properties the can be modified
sprite.xAdvance = sprite.width;
sprite.scale = 1.0f;
sprite.xOffset = 0 - (sprite.width * sprite.pivot.x);
sprite.yOffset = sprite.height - (sprite.height * sprite.pivot.y);
spriteInfoList.Add(sprite);
}
return(spriteInfoList);
}
IEnumerator DoSpriteAnimationInternal(int currentCharacter, TMP_SpriteAsset spriteAsset, int start, int end, int framerate)
{
if (m_TextComponent == null)
{
yield break;
}
// We yield otherwise this gets called before the sprite has rendered.
yield return(null);
int currentFrame = start;
// Make sure end frame does not exceed the number of sprites in the sprite asset.
if (end > spriteAsset.spriteInfoList.Count)
{
end = spriteAsset.spriteInfoList.Count - 1;
}
// Get a reference to the geometry of the current character.
TMP_CharacterInfo charInfo = m_TextComponent.textInfo.characterInfo[currentCharacter];
int materialIndex = charInfo.materialReferenceIndex;
int vertexIndex = charInfo.vertexIndex;
TMP_MeshInfo meshInfo = m_TextComponent.textInfo.meshInfo[materialIndex];
float elapsedTime = 0;
float targetTime = 1f / Mathf.Abs(framerate);
while (true)
{
if (elapsedTime > targetTime)
{
elapsedTime = 0;
// Get a reference to the current sprite
TMP_Sprite sprite = spriteAsset.spriteInfoList[currentFrame];
// Update the vertices for the new sprite
Vector3[] vertices = meshInfo.vertices;
Vector2 origin = new Vector2(charInfo.origin, charInfo.baseLine);
float spriteScale = charInfo.fontAsset.fontInfo.Ascender / sprite.height * sprite.scale * charInfo.scale;
Vector3 bl = new Vector3(origin.x + sprite.xOffset * spriteScale, origin.y + (sprite.yOffset - sprite.height) * spriteScale);
Vector3 tl = new Vector3(bl.x, origin.y + sprite.yOffset * spriteScale);
Vector3 tr = new Vector3(origin.x + (sprite.xOffset + sprite.width) * spriteScale, tl.y);
Vector3 br = new Vector3(tr.x, bl.y);
vertices[vertexIndex + 0] = bl;
vertices[vertexIndex + 1] = tl;
vertices[vertexIndex + 2] = tr;
vertices[vertexIndex + 3] = br;
// Update the UV to point to the new sprite
Vector2[] uvs0 = meshInfo.uvs0;
Vector2 uv0 = new Vector2(sprite.x / spriteAsset.spriteSheet.width, sprite.y / spriteAsset.spriteSheet.height);
Vector2 uv1 = new Vector2(uv0.x, (sprite.y + sprite.height) / spriteAsset.spriteSheet.height);
Vector2 uv2 = new Vector2((sprite.x + sprite.width) / spriteAsset.spriteSheet.width, uv1.y);
Vector2 uv3 = new Vector2(uv2.x, uv0.y);
uvs0[vertexIndex + 0] = uv0;
uvs0[vertexIndex + 1] = uv1;
uvs0[vertexIndex + 2] = uv2;
uvs0[vertexIndex + 3] = uv3;
// Update the modified vertex attributes
meshInfo.mesh.vertices = vertices;
meshInfo.mesh.uv = uvs0;
m_TextComponent.UpdateGeometry(meshInfo.mesh, materialIndex);
if (framerate > 0)
{
if (currentFrame < end)
{
currentFrame += 1;
}
else
{
currentFrame = start;
}
}
else
{
if (currentFrame > start)
{
currentFrame -= 1;
}
else
{
currentFrame = end;
}
}
}
elapsedTime += Time.deltaTime;
yield return(null);
}
}
