/// <summary>
///
/// </summary>
/// <param name="spriteDataObject"></param>
/// <param name="spriteCharacterTable"></param>
/// <param name="spriteGlyphTable"></param>
private static void PopulateSpriteTables(TexturePacker_JsonArray.SpriteDataObject spriteDataObject, List <TMP_SpriteCharacter> spriteCharacterTable, List <TMP_SpriteGlyph> spriteGlyphTable)
{
List <TexturePacker_JsonArray.Frame> importedSprites = spriteDataObject.frames;
float atlasHeight = spriteDataObject.meta.size.h;
for (int i = 0; i < importedSprites.Count; i++)
{
TexturePacker_JsonArray.Frame spriteData = importedSprites[i];
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
spriteGlyph.index = (uint)i;
spriteGlyph.metrics = new GlyphMetrics((int)spriteData.frame.w, (int)spriteData.frame.h, -spriteData.frame.w * spriteData.pivot.x, spriteData.frame.h * spriteData.pivot.y, (int)spriteData.frame.w);
spriteGlyph.glyphRect = new GlyphRect((int)spriteData.frame.x, (int)(atlasHeight - spriteData.frame.h - spriteData.frame.y), (int)spriteData.frame.w, (int)spriteData.frame.h);
spriteGlyph.scale = 1.0f;
spriteGlyphTable.Add(spriteGlyph);
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter(0, spriteGlyph);
spriteCharacter.name = spriteData.filename.Split('.')[0];
spriteCharacter.scale = 1.0f;
spriteCharacterTable.Add(spriteCharacter);
}
}
/// <summary>
/// Internal method used to upgrade sprite asset.
/// </summary>
private void UpgradeSpriteAsset()
{
m_Version = "1.1.0";
Debug.Log("Upgrading sprite asset [" + this.name + "] to version " + m_Version + ".", this);
// Convert legacy glyph and character tables to new format
m_SpriteCharacterTable.Clear();
m_SpriteGlyphTable.Clear();
for (int i = 0; i < spriteInfoList.Count; i++)
{
TMP_Sprite oldSprite = spriteInfoList[i];
TMP_SpriteGlyph spriteGlyph = new TMP_SpriteGlyph();
spriteGlyph.index = (uint)i;
spriteGlyph.sprite = oldSprite.sprite;
spriteGlyph.metrics = new GlyphMetrics(oldSprite.width, oldSprite.height, oldSprite.xOffset, oldSprite.yOffset, oldSprite.xAdvance);
spriteGlyph.glyphRect = new GlyphRect((int)oldSprite.x, (int)oldSprite.y, (int)oldSprite.width, (int)oldSprite.height);
spriteGlyph.scale = 1.0f;
spriteGlyph.atlasIndex = 0;
m_SpriteGlyphTable.Add(spriteGlyph);
TMP_SpriteCharacter spriteCharacter = new TMP_SpriteCharacter();
spriteCharacter.glyph = spriteGlyph;
spriteCharacter.unicode = oldSprite.unicode == 0x0 ? 0xFFFE : (uint)oldSprite.unicode;
spriteCharacter.name = oldSprite.name;
spriteCharacter.scale = oldSprite.scale;
m_SpriteCharacterTable.Add(spriteCharacter);
}
// Clear legacy glyph info list.
//spriteInfoList.Clear();
UpdateLookupTables();
#if UNITY_EDITOR
UnityEditor.EditorUtility.SetDirty(this);
UnityEditor.AssetDatabase.SaveAssets();
#endif
}
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.spriteCharacterTable.Count)
{
end = spriteAsset.spriteCharacterTable.Count - 1;
}
// Get a reference to the current character's info
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 baseSpriteScale = spriteAsset.spriteCharacterTable[start].scale * spriteAsset.spriteCharacterTable[start].glyph.scale;
float elapsedTime = 0;
float targetTime = 1f / Mathf.Abs(framerate);
while (true)
{
if (elapsedTime > targetTime)
{
elapsedTime = 0;
// Return if sprite was truncated or replaced by the Ellipsis character.
char character = m_TextComponent.textInfo.characterInfo[currentCharacter].character;
if (character == 0x03 || character == 0x2026)
{
m_animations.Remove(currentCharacter);
yield break;
}
// Get a reference to the current sprite
TMP_SpriteCharacter spriteCharacter = spriteAsset.spriteCharacterTable[currentFrame];
// Update the vertices for the new sprite
Vector3[] vertices = meshInfo.vertices;
Vector2 origin = new Vector2(charInfo.origin, charInfo.baseLine);
float spriteScale = charInfo.scale / baseSpriteScale * spriteCharacter.scale * spriteCharacter.glyph.scale;
Vector3 bl = new Vector3(origin.x + spriteCharacter.glyph.metrics.horizontalBearingX * spriteScale, origin.y + (spriteCharacter.glyph.metrics.horizontalBearingY - spriteCharacter.glyph.metrics.height) * spriteScale);
Vector3 tl = new Vector3(bl.x, origin.y + spriteCharacter.glyph.metrics.horizontalBearingY * spriteScale);
Vector3 tr = new Vector3(origin.x + (spriteCharacter.glyph.metrics.horizontalBearingX + spriteCharacter.glyph.metrics.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((float)spriteCharacter.glyph.glyphRect.x / spriteAsset.spriteSheet.width, (float)spriteCharacter.glyph.glyphRect.y / spriteAsset.spriteSheet.height);
Vector2 uv1 = new Vector2(uv0.x, (float)(spriteCharacter.glyph.glyphRect.y + spriteCharacter.glyph.glyphRect.height) / spriteAsset.spriteSheet.height);
Vector2 uv2 = new Vector2((float)(spriteCharacter.glyph.glyphRect.x + spriteCharacter.glyph.glyphRect.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);
}
}
/// <summary>
/// Function to update the sprite name and unicode lookup tables.
/// This function should be called when a sprite's name or unicode value changes or when a new sprite is added.
/// </summary>
public void UpdateLookupTables()
{
//Debug.Log("Updating [" + this.name + "] Lookup tables.");
// Check version number of sprite asset to see if it needs to be upgraded.
if (this.material != null && string.IsNullOrEmpty(m_Version))
{
UpgradeSpriteAsset();
}
// Initialize / Clear glyph index lookup dictionary.
if (m_GlyphIndexLookup == null)
{
m_GlyphIndexLookup = new Dictionary <uint, int>();
}
else
{
m_GlyphIndexLookup.Clear();
}
//
if (m_SpriteGlyphLookup == null)
{
m_SpriteGlyphLookup = new Dictionary <uint, TMP_SpriteGlyph>();
}
else
{
m_SpriteGlyphLookup.Clear();
}
// Initialize SpriteGlyphLookup
for (int i = 0; i < m_SpriteGlyphTable.Count; i++)
{
TMP_SpriteGlyph spriteGlyph = m_SpriteGlyphTable[i];
uint glyphIndex = spriteGlyph.index;
if (m_GlyphIndexLookup.ContainsKey(glyphIndex) == false)
{
m_GlyphIndexLookup.Add(glyphIndex, i);
}
if (m_SpriteGlyphLookup.ContainsKey(glyphIndex) == false)
{
m_SpriteGlyphLookup.Add(glyphIndex, spriteGlyph);
}
}
// Initialize name lookup
if (m_NameLookup == null)
{
m_NameLookup = new Dictionary <int, int>();
}
else
{
m_NameLookup.Clear();
}
// Initialize character lookup
if (m_SpriteCharacterLookup == null)
{
m_SpriteCharacterLookup = new Dictionary <uint, TMP_SpriteCharacter>();
}
else
{
m_SpriteCharacterLookup.Clear();
}
// Populate Sprite Character lookup tables
for (int i = 0; i < m_SpriteCharacterTable.Count; i++)
{
TMP_SpriteCharacter spriteCharacter = m_SpriteCharacterTable[i];
// Make sure sprite character is valid
if (spriteCharacter == null)
{
continue;
}
uint glyphIndex = spriteCharacter.glyphIndex;
// Lookup the glyph for this character
if (m_SpriteGlyphLookup.ContainsKey(glyphIndex) == false)
{
continue;
}
// Assign glyph and text asset to this character
spriteCharacter.glyph = m_SpriteGlyphLookup[glyphIndex];
spriteCharacter.textAsset = this;
int nameHashCode = m_SpriteCharacterTable[i].hashCode;
if (m_NameLookup.ContainsKey(nameHashCode) == false)
{
m_NameLookup.Add(nameHashCode, i);
}
uint unicode = m_SpriteCharacterTable[i].unicode;
if (unicode != 0xFFFE && m_SpriteCharacterLookup.ContainsKey(unicode) == false)
{
m_SpriteCharacterLookup.Add(unicode, spriteCharacter);
}
}
m_IsSpriteAssetLookupTablesDirty = false;
}
