public override void OnGUI(Rect r, SerializedProperty property, GUIContent label)
{
SerializedProperty compressType = property.FindPropertyRelative("compressType");
SerializedProperty min = property.FindPropertyRelative("min");
SerializedProperty max = property.FindPropertyRelative("max");
SerializedProperty ac = property.FindPropertyRelative("accurateCenter");
float bitsWidth = 60;
float accCenterLeft = 52;
float accCenterCheckWidth = 14;
float stretchleft = r.xMin + bitsWidth;
float mLabelWidth = 26;
Rect rectBits = new Rect(r)
{
xMax = stretchleft
};
Rect rectStretch = new Rect(r)
{
xMin = stretchleft, xMax = r.xMax - accCenterLeft
};
Rect rectMin = new Rect(rectStretch)
{
width = rectStretch.width * .5f
};
Rect rectMax = new Rect(rectStretch)
{
xMin = rectStretch.xMin + rectStretch.width * .5f
};
Rect racl = new Rect(r)
{
xMin = r.xMax - accCenterLeft, width = accCenterLeft - accCenterCheckWidth
};
Rect racc = new Rect(r)
{
xMin = r.xMax - accCenterCheckWidth
};
EditorGUI.BeginChangeCheck();
EditorGUI.PropertyField(rectBits, compressType, GUIContent.none);
if (compressType.intValue != (int)LiteFloatCompressType.Half16 && compressType.intValue != (int)LiteFloatCompressType.Full32)
{
EditorGUI.LabelField(new Rect(rectMin)
{
width = mLabelWidth
}, "min", new GUIStyle("MiniLabel")
{
alignment = TextAnchor.UpperRight
});
EditorGUI.PropertyField(new Rect(rectMin)
{
xMin = rectMin.xMin + mLabelWidth
}, min, GUIContent.none);
EditorGUI.LabelField(new Rect(rectMax)
{
width = mLabelWidth
}, "max", new GUIStyle("MiniLabel")
{
alignment = TextAnchor.UpperRight
});
EditorGUI.PropertyField(new Rect(rectMax)
{
xMin = rectMax.xMin + mLabelWidth
}, max, GUIContent.none);
EditorGUI.LabelField(racl, accCenterLabel, new GUIStyle("MiniLabel")
{
alignment = TextAnchor.UpperRight
});
ac.boolValue = EditorGUI.Toggle(racc, GUIContent.none, ac.boolValue, (GUIStyle)"OL Toggle");
}
if (EditorGUI.EndChangeCheck())
{
SerializedProperty encoder = property.FindPropertyRelative("encoder");
SerializedProperty decoder = property.FindPropertyRelative("decoder");
SerializedProperty maxCVal = property.FindPropertyRelative("maxCVal");
SerializedProperty bits = property.FindPropertyRelative("bits");
float _encoder = 0, _decoder = 0;
int _bits = 0;
ulong _maxCVal = 0;
LiteFloatCrusher.Recalculate((LiteFloatCompressType)compressType.intValue, min.floatValue, max.floatValue, ac.boolValue, ref _bits, ref _encoder, ref _decoder, ref _maxCVal);
encoder.floatValue = _encoder;
decoder.floatValue = _decoder;
bits.intValue = _bits;
maxCVal.longValue = (long)_maxCVal;
property.serializedObject.ApplyModifiedProperties();
}
}
public static void Recalculate(LiteFloatCompressType compressType, float min, float max, bool accurateCenter, LiteFloatCrusher crusher)
{
int bits = (int)compressType;
crusher.bits = bits;
float range = max - min;
ulong maxcval = (bits == 64) ? ulong.MaxValue : (((ulong)1 << (int)bits) - 1);
if (accurateCenter && maxcval != 0)
{
maxcval--;
}
crusher.encoder = range == 0 ? 0 : maxcval / range;
crusher.decoder = maxcval == 0 ? 0 : range / maxcval;
crusher.maxCVal = maxcval;
}