1 files changed, 83 insertions, 0 deletions
diff --git a/Valheim_v0.141.2_r202102/Valheim/assembly_valheim/StealthSystem.cs b/Valheim_v0.141.2_r202102/Valheim/assembly_valheim/StealthSystem.cs
new file mode 100644
index 0000000..774ca07
--- /dev/null
+++ b/Valheim_v0.141.2_r202102/Valheim/assembly_valheim/StealthSystem.cs
@@ -0,0 +1,83 @@
+using UnityEngine;
+
+public class StealthSystem : MonoBehaviour
+{
+	private static StealthSystem m_instance;
+
+	public LayerMask m_shadowTestMask;
+
+	public float m_minLightLevel = 0.2f;
+
+	public float m_maxLightLevel = 1.6f;
+
+	private Light[] m_allLights;
+
+	private float m_lastLightListUpdate;
+
+	private const float m_lightUpdateInterval = 1f;
+
+	public static StealthSystem instance => m_instance;
+
+	private void Awake()
+	{
+		m_instance = this;
+	}
+
+	private void OnDestroy()
+	{
+		m_instance = null;
+	}
+
+	public float GetLightFactor(Vector3 point)
+	{
+		float lightLevel = GetLightLevel(point);
+		return Utils.LerpStep(m_minLightLevel, m_maxLightLevel, lightLevel);
+	}
+
+	public float GetLightLevel(Vector3 point)
+	{
+		if (Time.time - m_lastLightListUpdate > 1f)
+		{
+			m_lastLightListUpdate = Time.time;
+			m_allLights = Object.FindObjectsOfType<Light>();
+		}
+		float num = RenderSettings.ambientIntensity * RenderSettings.ambientLight.grayscale;
+		Light[] allLights = m_allLights;
+		foreach (Light light in allLights)
+		{
+			if (light == null)
+			{
+				continue;
+			}
+			if (light.type == LightType.Directional)
+			{
+				float num2 = 1f;
+				if (light.shadows != 0 && (Physics.Raycast(point - light.transform.forward * 1000f, light.transform.forward, 1000f, m_shadowTestMask) || Physics.Raycast(point, -light.transform.forward, 1000f, m_shadowTestMask)))
+				{
+					num2 = 1f - light.shadowStrength;
+				}
+				float num3 = light.intensity * light.color.grayscale * num2;
+				num += num3;
+				continue;
+			}
+			float num4 = Vector3.Distance(light.transform.position, point);
+			if (num4 > light.range)
+			{
+				continue;
+			}
+			float num5 = 1f;
+			if (light.shadows != 0)
+			{
+				Vector3 vector = point - light.transform.position;
+				if (Physics.Raycast(light.transform.position, vector.normalized, vector.magnitude, m_shadowTestMask) || Physics.Raycast(point, -vector.normalized, vector.magnitude, m_shadowTestMask))
+				{
+					num5 = 1f - light.shadowStrength;
+				}
+			}
+			float num6 = 1f - num4 / light.range;
+			float num7 = light.intensity * light.color.grayscale * num6 * num5;
+			num += num7;
+		}
+		return num;
+	}
+}