1 files changed, 105 insertions, 0 deletions
diff --git a/Thronefall_1_57/Decompile/FlatKit/Buoyancy.cs b/Thronefall_1_57/Decompile/FlatKit/Buoyancy.cs
new file mode 100644
index 0000000..9e876ab
--- /dev/null
+++ b/Thronefall_1_57/Decompile/FlatKit/Buoyancy.cs
@@ -0,0 +1,105 @@
+using UnityEngine;
+
+namespace FlatKit;
+
+public class Buoyancy : MonoBehaviour
+{
+	[Tooltip("The object that contains a Water material.")]
+	public Transform water;
+
+	[Space]
+	[Tooltip("Range of probing wave height for buoyancy rotation.")]
+	public float size = 1f;
+
+	[Tooltip("Max height of buoyancy going up and down.")]
+	public float amplitude = 1f;
+
+	[Space]
+	[Tooltip("Optionally provide a separate material to get the wave parameters.")]
+	public Material overrideWaterMaterial;
+
+	private Material _material;
+
+	private float _speed;
+
+	private float _amplitude;
+
+	private float _frequency;
+
+	private float _direction;
+
+	private Vector3 _originalPosition;
+
+	private void Start()
+	{
+		Renderer component = water.GetComponent<Renderer>();
+		_material = ((overrideWaterMaterial != null) ? overrideWaterMaterial : component.sharedMaterial);
+		_speed = _material.GetFloat("_WaveSpeed");
+		_amplitude = _material.GetFloat("_WaveAmplitude");
+		_frequency = _material.GetFloat("_WaveFrequency");
+		_direction = _material.GetFloat("_WaveDirection");
+		Transform transform = base.transform;
+		_originalPosition = transform.position;
+	}
+
+	private void Update()
+	{
+		Vector3 position = base.transform.position;
+		Vector3 positionOS = water.InverseTransformPoint(position);
+		position.y = GetHeightOS(positionOS) + _originalPosition.y;
+		base.transform.position = position;
+		base.transform.up = GetNormalWS(positionOS);
+	}
+
+	private Vector2 GradientNoiseDir(Vector2 p)
+	{
+		p = new Vector2(p.x % 289f, p.y % 289f);
+		float num = (34f * p.x + 1f) * p.x % 289f + p.y;
+		num = (34f * num + 1f) * num % 289f;
+		num = num / 41f % 1f * 2f - 1f;
+		return new Vector2(num - Mathf.Floor(num + 0.5f), Mathf.Abs(num) - 0.5f).normalized;
+	}
+
+	private float GradientNoise(Vector2 p)
+	{
+		Vector2 vector = new Vector2(Mathf.Floor(p.x), Mathf.Floor(p.y));
+		Vector2 vector2 = new Vector2(p.x % 1f, p.y % 1f);
+		float a = Vector3.Dot(GradientNoiseDir(vector), vector2);
+		float b = Vector3.Dot(GradientNoiseDir(vector + Vector2.up), vector2 - Vector2.up);
+		float a2 = Vector3.Dot(GradientNoiseDir(vector + Vector2.right), vector2 - Vector2.right);
+		float b2 = Vector3.Dot(GradientNoiseDir(vector + Vector2.one), vector2 - Vector2.one);
+		vector2 = vector2 * vector2 * vector2 * (vector2 * (vector2 * 6f - Vector2.one * 15f) + Vector2.one * 10f);
+		return Mathf.Lerp(Mathf.Lerp(a, b, vector2.y), Mathf.Lerp(a2, b2, vector2.y), vector2.x);
+	}
+
+	private Vector3 GetNormalWS(Vector3 positionOS)
+	{
+		Vector3 vector = positionOS + Vector3.forward * size;
+		vector.y = GetHeightOS(vector);
+		Vector3 vector2 = positionOS + Vector3.right * size;
+		vector2.y = GetHeightOS(vector);
+		Vector3 normalized = Vector3.Cross(vector - positionOS, vector2 - positionOS).normalized;
+		return water.TransformDirection(normalized);
+	}
+
+	private float SineWave(Vector3 positionOS, float offset)
+	{
+		float num = Time.timeSinceLevelLoad * 2f;
+		float num2 = Mathf.Sin(offset + num * _speed + (positionOS.x * Mathf.Sin(offset + _direction) + positionOS.z * Mathf.Cos(offset + _direction)) * _frequency);
+		if (_material.IsKeywordEnabled("_WAVEMODE_POINTY"))
+		{
+			num2 = 1f - Mathf.Abs(num2);
+		}
+		return num2 * _amplitude;
+	}
+
+	private float GetHeightOS(Vector3 positionOS)
+	{
+		float num = SineWave(positionOS, 0f);
+		if (_material.IsKeywordEnabled("_WAVEMODE_GRID"))
+		{
+			num *= SineWave(positionOS, 1.57f);
+		}
+		return num * amplitude;
+	}
+}