/// <summary>Sets the sprite with the given ID as the active one.</summary>
/// <param name="index">The ID of the sprite.</param>
private void SetSprite(int index)
{
CurrentSprite = Animation.Sprites[index];
AnimatedMaterial.SetTexture("_Sprite", CurrentSprite.Sprite);
// Update the material tiling:
AnimatedMaterial.SetTextureScale("_Sprite", CurrentSprite.TextureScale);
}
/// <summary>Creates space for the given number of sprites which hold the given total number of frames.</summary>
/// <param name="spriteCount">The number of sprites.</param>
/// <param name="frameCount">The total number of frames held by the sprites.</param>
public void CreateSprites(int spriteCount, uint frameCount)
{
// Apply the frame count:
FrameCount = frameCount;
// Setup the sprite array:
Sprites = new SPASprite[spriteCount];
// Create each one:
for (int i = 0; i < spriteCount; i++)
{
Sprites[i] = new SPASprite(this, i);
}
}
/// <summary>Creates a new SPA animation with the given name from the given binary data.</summary>
/// <param name="name">The name of the animation. Used for caching purposes so the binary doesn't
/// have to be reloaded if the animation is displayed multiple times.</param>
/// <param name="binaryData">The raw binary data of the spa file.</param>
public SPA(string name, byte[] binaryData)
{
Instances[name] = this;
BinaryReader br = new BinaryReader(new MemoryStream(binaryData));
if (br.ReadChar() != 'S' || br.ReadChar() != 'P' || br.ReadChar() != 'A')
{
throw new Exception("This is not an SPA file.");
}
byte version = br.ReadByte();
if (version != 2)
{
throw new Exception("This reader only supports SPA version 2. The file you have given is version " + version + ".");
}
FrameRate = br.ReadByte();
// Total frame count:
FrameCount = br.ReadUInt32();
// Frame width:
FrameWidth = br.ReadUInt16();
// Frame height:
FrameHeight = br.ReadUInt16();
// Sprite frame count:
int spriteFrames = br.ReadInt32();
Sprites = new SPASprite[spriteFrames];
// Next, read each of the sprite frames:
for (int i = 0; i < spriteFrames; i++)
{
Sprites[i] = new SPASprite(this, br, i);
}
}
/// <summary>Sets the sprite with the given ID as the active one.</summary>
/// <param name="index">The ID of the sprite.</param>
private void SetSprite(int index){
CurrentSprite=Animation.Sprites[index];
AnimatedMaterial.SetTexture("_Sprite",CurrentSprite.Sprite);
// Update the material tiling:
AnimatedMaterial.SetTextureScale("_Sprite",CurrentSprite.TextureScale);
}
//--------------------------------------