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using System;
using System.Collections.Generic;
using UnityEngine;
using XUtliPoolLib;
namespace XMainClient
{
public class XCustomShadowMgr : XSingleton<XCustomShadowMgr>
{
private const int m_MaxShadowCount = 4;
private const int m_CurrentShadowCount = 0;
private List<ShadowMapInfo> m_shadowGroups = null;
private List<XCustomShadow> m_shadowInfos = null;
public static Matrix4x4 texMatrix = Matrix4x4.identity;
public override bool Init()
{
XCustomShadowMgr.texMatrix[0, 0] = 0.5f;
XCustomShadowMgr.texMatrix[1, 1] = 0.5f;
XCustomShadowMgr.texMatrix[2, 2] = 0.5f;
XCustomShadowMgr.texMatrix[0, 3] = 0.5f;
XCustomShadowMgr.texMatrix[1, 3] = 0.5f;
XCustomShadowMgr.texMatrix[2, 3] = 0.5f;
return true;
}
private ShadowMapInfo GetShadowMap(out int channel)
{
channel = 0;
bool flag = this.m_shadowGroups == null;
if (flag)
{
this.m_shadowGroups = new List<ShadowMapInfo>();
}
for (int i = 0; i < this.m_shadowGroups.Count; i++)
{
ShadowMapInfo shadowMapInfo = this.m_shadowGroups[i];
int num = shadowMapInfo.AllocChannel();
bool flag2 = num != 0;
if (flag2)
{
channel = num;
return shadowMapInfo;
}
}
ShadowMapInfo shadowMapInfo2 = new ShadowMapInfo();
shadowMapInfo2.CreateShadowMap();
channel = shadowMapInfo2.AllocChannel();
this.m_shadowGroups.Add(shadowMapInfo2);
return shadowMapInfo2;
}
public XCustomShadow AddShadowProjector(Transform mainCamera)
{
int num = 0;
ShadowMapInfo shadowMap = this.GetShadowMap(out num);
bool flag = shadowMap != null && num != 0;
XCustomShadow result;
if (flag)
{
bool flag2 = this.m_shadowInfos == null;
if (flag2)
{
this.m_shadowInfos = new List<XCustomShadow>();
}
for (int i = 0; i < this.m_shadowInfos.Count; i++)
{
XCustomShadow xcustomShadow = this.m_shadowInfos[i];
bool flag3 = xcustomShadow.shadowChannel == 0;
if (flag3)
{
xcustomShadow.shadowChannel = num;
return xcustomShadow;
}
}
XCustomShadow xcustomShadow2 = XCustomShadow.Create(mainCamera, shadowMap);
xcustomShadow2.shadowChannel = num;
this.m_shadowInfos.Add(xcustomShadow2);
result = xcustomShadow2;
}
else
{
result = null;
}
return result;
}
public void RemoveShadowProjector(XCustomShadow cs)
{
cs.Clear(false);
}
public void SetCullLayer(bool enable)
{
bool flag = this.m_shadowInfos != null;
if (flag)
{
for (int i = 0; i < this.m_shadowInfos.Count; i++)
{
XCustomShadow xcustomShadow = this.m_shadowInfos[i];
bool flag2 = xcustomShadow != null;
if (flag2)
{
xcustomShadow.SetCullLayer(enable);
}
}
}
}
public void SetShadowScale(float scale)
{
bool flag = this.m_shadowInfos != null;
if (flag)
{
XCustomShadow.scale = 0.33f / scale;
Shader.SetGlobalFloat("shadowScale", XCustomShadow.scale);
for (int i = 0; i < this.m_shadowInfos.Count; i++)
{
XCustomShadow xcustomShadow = this.m_shadowInfos[i];
bool flag2 = xcustomShadow != null && xcustomShadow.m_shadowCamera != null;
if (flag2)
{
xcustomShadow.m_shadowCamera.orthographicSize = 1.5f * scale;
}
}
}
}
public void Clear()
{
XCustomShadow.scale = 0.33f;
Shader.SetGlobalFloat("shadowScale", XCustomShadow.scale);
bool flag = this.m_shadowInfos != null;
if (flag)
{
for (int i = 0; i < this.m_shadowInfos.Count; i++)
{
XCustomShadow xcustomShadow = this.m_shadowInfos[i];
xcustomShadow.Clear(true);
}
this.m_shadowInfos.Clear();
}
bool flag2 = this.m_shadowGroups != null;
if (flag2)
{
for (int j = 0; j < this.m_shadowGroups.Count; j++)
{
ShadowMapInfo shadowMapInfo = this.m_shadowGroups[j];
shadowMapInfo.Clear();
}
this.m_shadowGroups.Clear();
}
}
}
}
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