bool Layout(int shadowWidth, int shadowHeight)
{
allCachedShadowInfos.Sort();
float curx = 0, cury = 0, curh = 0, xmax = shadowWidth, ymax = shadowHeight;
for (int i = 0; i < allCachedShadowInfos.Count; i++)
{
// shadow atlas layouting
CachedShadowInfo info = allCachedShadowInfos[i];
Rect vp = info.viewport;
curh = curh >= vp.height ? curh : vp.height;
if (curx + vp.width > xmax)
{
curx = 0;
cury += curh;
curh = vp.width;
}
if (curx + vp.width > xmax || cury + curh > ymax)
{
return(false);
}
vp.x = curx;
vp.y = cury;
info.viewport = vp;
allCachedShadowInfos[i] = info;
curx += vp.width;
}
return(true);
}
private bool CollectStaticShadowmaps()
{
int shadowWidth = m_staticShadowMapResolution.value.vector2IntValue.x;
int shadowHeight = m_staticShadowMapResolution.value.vector2IntValue.y;
allCachedShadowInfos.Clear();
csdIndex.Clear();
for (int i = 0; i < allCachedShadows.Count; i++)
{
var csd = allCachedShadows[i];
Light l = csd.GetComponent <Light>();
AdditionalShadowData asd = csd.GetComponent <AdditionalShadowData>();
if (l != null && l.shadows != LightShadows.None && (csd.shadowUpdateType == ShadowUpdateType.Static || (l.type == LightType.Directional && csd.UseStaticShadowmapForLastCascade)))
{
CachedShadowInfo info = new CachedShadowInfo();
uint staticShadowmapRes = l.type == LightType.Directional ? csd.StaticShadowResolution : (uint)asd.shadowResolution;
info.viewport = new Rect(0, 0, staticShadowmapRes, staticShadowmapRes);
allCachedShadowInfos.Add(info);
csdIndex.Add(i);
}
}
return(Layout(shadowWidth, shadowHeight));
}
