public CoordinateMarkerRenderer(GraphicsContext graphicsContext)
{
_vertexRenderer = graphicsContext.CreateVertexRenderer<TexturedColouredVertex4>(6);
_noTexture = graphicsContext.GetTexture("noTexture.png");
PopululateBuffer();
}
public TextureAreaHolder GetByName(string name)
{
if (CacheByName.ContainsKey(name))
{
return CacheByName[name];
}
var cachedTexture = new TextureAreaHolder(CacheByName[BlankTexture].TextureArea);
RegisterTexture(cachedTexture, name);
if (UseThreadToLoadTextures)
{
lock(_tasks)
{
_tasks.Add(new Task{FileName = name, ToUpdate = cachedTexture});
Monitor.PulseAll(_tasks);
}
}
else
{
UpdateTextureArea(cachedTexture, name);
cachedTexture.Update();
}
return cachedTexture;
}
private List<TextureAreaHolder> UpdateTextureAreas(string textureFilename, List<TextureAtlasTextureDefinition> definitions)
{
var cachedTexture = GetByName(textureFilename);
var cachedTextureArea = cachedTexture.TextureArea;
foreach (var definition in definitions)
{
definition.NormalizeTextureCoordinates(cachedTextureArea.Width, cachedTextureArea.Height);
CacheByName[definition.Name] = new TextureAreaHolder(cachedTextureArea.Clone(definition));
TextureAtlasTextureDefinition definition1 = definition;
cachedTexture.OnChange += item => CacheByName[definition1.Name].TextureArea = item.TextureArea;
}
var textureAreas = new List<TextureAreaHolder>(definitions.Count);
foreach (var definition in definitions)
{
var holder = new TextureAreaHolder(CreateTextureArea(cachedTextureArea, definition));
var definition1 = definition;
cachedTexture.OnChange += item => UpdateAtlasSection(holder, item, definition1);
}
return textureAreas;
}
private void UpdateTextureArea(TextureAreaHolder holder, string name)
{
holder.TextureArea = GetTextureArea(name);
_requiresUpdate = true;
}
private void UpdateAtlasSection(TextureAreaHolder target, TextureAreaHolder content, TextureAtlasTextureDefinition def)
{
target.TextureArea = CreateTextureArea(content.TextureArea, def);
}
private void RegisterTexture(TextureAreaHolder cachedTexture, string name)
{
CacheById[NextTextureId] = cachedTexture;
CacheByName[name] = cachedTexture;
NextTextureId++;
}
private void SetTexture(TextureAreaHolder textureArea)
{
_effect.SetTexture("tex0", textureArea);
}
