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146 lines
4.1 KiB
146 lines
4.1 KiB
using UnityEngine;
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using System.Collections.Generic;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace FogVolumeUtilities
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{
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public static class ExtensionMethods
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{
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public static float Remap(this float value, float from1, float to1, float from2, float to2)
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{
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return (value - from1) / (to1 - from1) * (to2 - from2) + from2;
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}
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public static bool TimeSnap(int Frames)
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{
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bool refresh = true;
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if (Application.isPlaying)
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{
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refresh = Time.frameCount <= 3 || (Time.frameCount % (1 + Frames)) == 0;
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return (refresh);
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}
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else
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return true;
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}
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public static void Swap<T>(ref T lhs, ref T rhs)
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{
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T temp = lhs;
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lhs = rhs;
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rhs = temp;
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}
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}
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public class Rendering
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{
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public static void EnsureKeyword(Material material, string name, bool enabled)
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{
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if (enabled != material.IsKeywordEnabled(name))
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{
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if (enabled)
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material.EnableKeyword(name);
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else
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material.DisableKeyword(name);
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}
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}
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}
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public struct int2
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{
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public int x;
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public int y;
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public int2(int x, int y)
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{
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this.x = x; this.y = y;
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}
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}
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public static class EditorExtension
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{
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private static string[] m_LayerNames = null;
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private static int[] m_LayerMasks = null;
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static EditorExtension()
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{
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var tmpNames = new List<string>();
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var tmpMasks = new List<int>();
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for (int i = 0; i < 32; i++)
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{
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try
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{
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var name = LayerMask.LayerToName(i);
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if (name != "")
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{
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tmpNames.Add(name);
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tmpMasks.Add(1 << i);
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}
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}
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catch { }
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}
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m_LayerNames = tmpNames.ToArray();
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m_LayerMasks = tmpMasks.ToArray();
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}
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public static void ToggleInHierarchy(Object obj, bool visible)
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{
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#if UNITY_EDITOR
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if (visible)
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obj.hideFlags = HideFlags.None;
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else
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obj.hideFlags = HideFlags.HideInHierarchy;
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try
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{
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EditorApplication.RepaintHierarchyWindow();
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EditorApplication.DirtyHierarchyWindowSorting();
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}
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catch { }
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#endif
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}
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#if UNITY_EDITOR
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public static int DrawLayerMaskField(Rect aPosition, int aMask, GUIContent aLabel)
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{
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int val = aMask;
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int maskVal = 0;
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for (int i = 0; i < m_LayerNames.Length; i++)
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{
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if (m_LayerMasks[i] != 0)
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{
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if ((val & m_LayerMasks[i]) == m_LayerMasks[i])
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maskVal |= 1 << i;
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}
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else if (val == 0)
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maskVal |= 1 << i;
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}
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int newMaskVal = UnityEditor.EditorGUI.MaskField(aPosition, aLabel, maskVal, m_LayerNames);
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int changes = maskVal ^ newMaskVal;
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for (int i = 0; i < m_LayerMasks.Length; i++)
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{
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if ((changes & (1 << i)) != 0) // has this list item changed?
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{
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if ((newMaskVal & (1 << i)) != 0) // has it been set?
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{
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if (m_LayerMasks[i] == 0) // special case: if "0" is set, just set the val to 0
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{
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val = 0;
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break;
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}
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else
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val |= m_LayerMasks[i];
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}
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else // it has been reset
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{
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val &= ~m_LayerMasks[i];
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}
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}
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}
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return val;
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}
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#endif
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}
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}
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