/// <summary>
/// 将页表置为非活跃状态
/// </summary>
private void InvalidatePage(Vector2Int id)
{
TableNode node = null;
if (!m_ActivePages.TryGetValue(id, out node))
{
return;
}
node.Payload.ResetTileIndex();
m_ActivePages.Remove(id);
}
/// <summary>
/// 加载页表
/// </summary>
private void LoadPage(int x, int y, TableNode node)
{
if (node == null)
{
return;
}
// 正在加载中,不需要重复请求
if (node.Payload.LoadRequest != null)
{
return;
}
// 新建加载请求
node.Payload.LoadRequest = m_Loader.Request(x, y, node.MipLevel);
}
public void CreatePagePointer(int x, int y, TableNode node)
{
if (node == null)
{
return;
}
if (node.Payload.tileStatus == TileStatus.Loading || node.Payload.tileStatus == TileStatus.LoadingComplete)
{
return;
}
node.Payload.tileStatus = TileStatus.Loading;
int key = getKey(node.Rect.x, node.Rect.y, node.MipLevel);
m_Pages[key] = node;
tileGenerator.GeneratePageTask(key);
}
void Start()
{
if (m_TableSize < 1 || (m_TableSize & m_TableSize - 1) != 0)
{
m_TableSize = 64;
}
quadRootKey = getKey(0, 0, MaxMipLevel);
m_LookupTexture = new Texture2D(TableSize, TableSize, TextureFormat.RGBA32, false);
m_LookupTexture.wrapMode = TextureWrapMode.Clamp;
m_LookupTexture.filterMode = FilterMode.Point;
Shader.SetGlobalTexture("_LOOKUPTEX", m_LookupTexture);
Shader.SetGlobalFloat("_MAXMIP", MaxMipLevel);
Shader.SetGlobalFloat("_PAGETABLESIZE", TableSize);
Shader.SetGlobalInt("_DEBUG", m_DebugMode);
tileGenerator = (TileGeneration)GetComponent(typeof(TileGeneration));
physicalTiles = (PhysicalTexture)GetComponent(typeof(PhysicalTexture));
feedBack = (Feedback)GetComponent(typeof(Feedback));
AddressMapping = new Dictionary <int, PhysicalTileInfo>();
ChildList = new Dictionary <int, int[]>();
feedBack.OnFeedbackReadComplete += ProcessFeedbackCoroutine;
InCoroutine = false;
//tileGenerator.OnTileGenerationComplete += OnGenerationComplete;
tileGenerator.OnTileGenerationComplete += OnGenerationCompletePointer;
//FOR POINTER
quadRoot = new TableNode(MaxMipLevel, 0, 0, TableSize, TableSize);
m_Pages = new Dictionary <int, TableNode>();
//multiple quad trees
quadRoots = new TableNode[m_TerrainDivision * m_TerrainDivision];
/*for(int i = 0; i < m_TerrainDivision; i++)
* {
* for (int j = 0; j < m_TerrainDivision; j++) {
* //quadRoots[i] = new TableNode(MaxMipLevel, i )
* }
* }*/
}