private void DrawShadowCascades(int cascadeCount, bool useMetric, float baseMetric)
{
var cascades = new ShadowCascadeGUI.Cascade[cascadeCount];
float lastCascadePartitionSplit = 0;
for (int i = 0; i < cascadeCount - 1; ++i)
{
cascades[i] = new ShadowCascadeGUI.Cascade()
{
size = i == 0 ? m_CascadeShadowSplits[i].value.floatValue : m_CascadeShadowSplits[i].value.floatValue - lastCascadePartitionSplit, // Calculate the size of cascade
borderSize = m_CascadeShadowBorders[i].value.floatValue,
cascadeHandleState = m_CascadeShadowSplits[i].overrideState.boolValue ? ShadowCascadeGUI.HandleState.Enabled : ShadowCascadeGUI.HandleState.Disabled,
borderHandleState = m_CascadeShadowBorders[i].overrideState.boolValue ? ShadowCascadeGUI.HandleState.Enabled : ShadowCascadeGUI.HandleState.Disabled,
};
lastCascadePartitionSplit = m_CascadeShadowSplits[i].value.floatValue;
}
// Last cascade is special
var lastCascade = cascadeCount - 1;
cascades[lastCascade] = new ShadowCascadeGUI.Cascade()
{
size = lastCascade == 0 ? 1.0f : 1 - m_CascadeShadowSplits[lastCascade - 1].value.floatValue, // Calculate the size of cascade
borderSize = m_CascadeShadowBorders[lastCascade].value.floatValue,
cascadeHandleState = ShadowCascadeGUI.HandleState.Hidden,
borderHandleState = m_CascadeShadowBorders[lastCascade].overrideState.boolValue ? ShadowCascadeGUI.HandleState.Enabled : ShadowCascadeGUI.HandleState.Disabled,
};
EditorGUI.BeginChangeCheck();
ShadowCascadeGUI.DrawCascades(ref cascades, useMetric, baseMetric);
if (EditorGUI.EndChangeCheck())
{
float lastCascadeSize = 0;
for (int i = 0; i < cascadeCount - 1; ++i)
{
m_CascadeShadowSplits[i].value.floatValue = lastCascadeSize + cascades[i].size;
lastCascadeSize = m_CascadeShadowSplits[i].value.floatValue;
}
for (int i = 0; i < cascadeCount; ++i)
{
m_CascadeShadowBorders[i].value.floatValue = cascades[i].borderSize;
}
}
}
private void DrawCascades(int cascadeCount, bool useMetric, float baseMetric)
{
var cascades = new ShadowCascadeGUI.Cascade[cascadeCount];
Vector3 shadowCascadeSplit = Vector3.zero;
if (cascadeCount == 4)
{
shadowCascadeSplit = m_ShadowCascade4SplitProp.vector3Value;
}
else if (cascadeCount == 3)
{
shadowCascadeSplit = m_ShadowCascade3SplitProp.vector2Value;
}
else if (cascadeCount == 2)
{
shadowCascadeSplit.x = m_ShadowCascade2SplitProp.floatValue;
}
else
{
shadowCascadeSplit.x = m_ShadowCascade2SplitProp.floatValue;
}
float lastCascadePartitionSplit = 0;
for (int i = 0; i < cascadeCount - 1; ++i)
{
cascades[i] = new ShadowCascadeGUI.Cascade()
{
size = i == 0 ? shadowCascadeSplit[i] : shadowCascadeSplit[i] - lastCascadePartitionSplit, // Calculate the size of cascade
borderSize = 0,
cascadeHandleState = ShadowCascadeGUI.HandleState.Enabled,
borderHandleState = ShadowCascadeGUI.HandleState.Hidden,
};
lastCascadePartitionSplit = shadowCascadeSplit[i];
}
// Last cascade is special
var lastCascade = cascadeCount - 1;
cascades[lastCascade] = new ShadowCascadeGUI.Cascade()
{
size = lastCascade == 0 ? 1.0f : 1 - shadowCascadeSplit[lastCascade - 1], // Calculate the size of cascade
borderSize = m_ShadowCascadeBorderProp.floatValue,
cascadeHandleState = ShadowCascadeGUI.HandleState.Hidden,
borderHandleState = ShadowCascadeGUI.HandleState.Enabled,
};
EditorGUI.BeginChangeCheck();
ShadowCascadeGUI.DrawCascades(ref cascades, useMetric, baseMetric);
if (EditorGUI.EndChangeCheck())
{
if (cascadeCount == 4)
{
m_ShadowCascade4SplitProp.vector3Value = new Vector3(
cascades[0].size,
cascades[0].size + cascades[1].size,
cascades[0].size + cascades[1].size + cascades[2].size
);
}
else if (cascadeCount == 3)
{
m_ShadowCascade3SplitProp.vector2Value = new Vector2(
cascades[0].size,
cascades[0].size + cascades[1].size
);
}
else if (cascadeCount == 2)
{
m_ShadowCascade2SplitProp.floatValue = cascades[0].size;
}
m_ShadowCascadeBorderProp.floatValue = cascades[lastCascade].borderSize;
}
}