private ElementBuffer GetUsableBuffer(int index)
{
int prefabIndex = this.Adapter.ElementIndex2PrefabIndex(index);
List <ElementBuffer> buffers = this.bufferPool[prefabIndex];
for (int i = 0; i < buffers.Count; i++)
{
if (!buffers[i].IsUsing)
{
return(buffers[i]);
}
}
GameObject go = GameObject.Instantiate <GameObject>(this.Adapter.GetElementPrefab(index));
if (gameObject.activeInHierarchy == false)
{
go.SetActive(true);
}
go.transform.SetParent(content);
go.transform.localScale = Vector3.one;
go.SetActive(false);
ElementBuffer buffer = new ElementBuffer(go);
this.bufferPool[prefabIndex].Add(buffer);
return(buffer);
}
private void SetElement(float distance2Top, ElementPositionInfo elementPositionInfo)
{
if (distance2Top >= this.visualRange.x && distance2Top <= this.visualRange.y && !elementPositionInfo.Visible)
{
if (elementPositionInfo.Invisible)
{
ElementBuffer buffer = GetUsableBuffer(elementPositionInfo.ElementIndex);
if (buffer != null)
{
buffer.Use(elementPositionInfo);
buffer.SetSize(this.GetElementSize(elementPositionInfo.ElementIndex));
this.Adapter.FillElementData(buffer, elementPositionInfo.ElementIndex);
}
}
else if (elementPositionInfo.VisibleAndNeedRefresh)
{
ElementBuffer buffer = elementPositionInfo.Buffer;
if (buffer != null)
{
buffer.Use(elementPositionInfo);
buffer.SetSize(this.GetElementSize(elementPositionInfo.ElementIndex));
this.Adapter.FillElementData(buffer, elementPositionInfo.ElementIndex);
}
}
}
}
private void PrepareRefreshAllBuffers()
{
for (int i = 0; i < this.bufferPool.Length; i++)
{
List <ElementBuffer> buffers = this.bufferPool[i];
for (int j = 0; j < buffers.Count; j++)
{
ElementBuffer buffer = buffers[j];
buffer.PositionInfo.State = ElementState.visibleAndNeedRefresh;
}
}
}
private Vector2 GetElementSize(int index)
{
Vector2 size = Vector2.zero;
ElementBuffer buffer = null;
if (this.elementPositionInfoMapper.ContainsKey(index))
{
buffer = this.elementPositionInfoMapper[index].Buffer;
}
if (buffer != null && buffer.Element.TryGetElementSize(out size))
{
}
else
{
size = Adapter.GetElementSize(index);
}
return(size);
}
public virtual ElementBuffer ElementBufferInIndex(int index)
{
ElementBuffer obj = null;
for (int i = 0; i < bufferPool.Length; i++)
{
List <ElementBuffer> buffers = bufferPool[i];
for (int j = 0; j < buffers.Count; j++)
{
if (buffers[j].ElementIndex == index && buffers[j].IsUsing)
{
obj = buffers[j];
break;
}
}
}
return(obj);
}
private void RecycleBuffers()
{
float currentPos = 0f;
float distance2Top = 0f;
if (this.Vertical)
{
currentPos = content.localPosition.y;
}
else if (this.Horizontal)
{
currentPos = content.localPosition.x;
}
for (int i = 0; i < this.bufferPool.Length; i++)
{
List <ElementBuffer> buffers = this.bufferPool[i];
for (int j = 0; j < buffers.Count; j++)
{
ElementBuffer buffer = buffers[j];
if (this.Vertical)
{
distance2Top = -buffer.PositionInfo.LocalPos.y - currentPos;
}
else if (this.Horizontal)
{
distance2Top = buffer.PositionInfo.LocalPos.x + currentPos;
}
if (buffer.IsUsing && (distance2Top < this.visualRange.x || distance2Top > this.visualRange.y))
{
buffer.Recycle();
buffer.PositionInfo.State = ElementState.invisible;
}
}
}
}
public abstract void FillElementData(ElementBuffer elementBuffer, int elementIndex);
public void SetBuffer(ElementBuffer buffer)
{
this.buffer = buffer;
}