support turnoff and turnon on the projected video

Author: Nbc66

sp/src/game/client/C_Env_Projected_Texture.h

@@ -106,6 +106,8 @@ class C_EnvProjectedTexture : public C_BaseEntity
 	static float m_flVisibleBBoxMinHeight;
 
 	ITexture* m_pVideoMatTexture;
+
+	friend class C_EnvProjectedVideo;
 };
 
 

sp/src/game/client/c_env_projectedtexture.cpp

@@ -146,7 +146,7 @@ void C_EnvProjectedTexture::SetVideoMaterial( IMaterial* pVidMat )
 			if (tex)
 			{
 				m_pVideoMatTexture = tex;
-				m_LightHandle = CLIENTSHADOW_INVALID_HANDLE;
+				ShutDownLightHandle();
 			}
 		}
 	}

sp/src/game/shared/env_projectedvideo.cpp

@@ -241,12 +241,24 @@ void CEnvProjectedVideo::DestroyVideo()
 		m_pVideoRT.Shutdown();
 		m_pVideoRTMaterial.Shutdown();
 		BaseClass::SetVideoMaterial(NULL);
+		ShutDownLightHandle();
 	}
 
 }
 
 void CEnvProjectedVideo::ClientThink()
 {
+
+	if (!m_bState)
+	{
+		if (m_pVideoMaterial)
+		{
+			DestroyVideo();
+		}
+		SetNextClientThink(CLIENT_THINK_ALWAYS);
+		return;
+	}
+
 	if (!m_pVideoMaterial)
 	{
 		CreateVideo();