Files
BH3/Assets/Scripts/Assembly-CSharp/PigeonCoopToolkit/Effects/Trails/StaticTrail.cs
2025-08-13 09:26:42 +08:00

398 lines
12 KiB
C#

using System;
using PigeonCoopToolkit.Utillities;
using UnityEngine;
namespace PigeonCoopToolkit.Effects.Trails
{
public class StaticTrail : TrailRenderer_Base
{
private class ControlPoint
{
public Vector3 p;
public Vector3 forward;
}
public int PointsBetweenControlPoints = 4;
private CircularBuffer<ControlPoint> _controlPoints;
protected float _timer;
protected float _appearDuration;
protected AnimationCurve _appearCurve;
protected float _vanishDuration;
protected AnimationCurve _vanishCurve;
[NonSerialized]
public float TimeScale = 1f;
public bool IsActive { get; set; }
protected override void Awake()
{
_t = base.transform;
_emit = false;
Material[] materials = TrailData.GetMaterialsContainer().materials;
for (int i = 0; i < materials.Length; i++)
{
string val = materials[i].GetTag("Distortion", false);
materials[i] = new Material(materials[i]);
materials[i].SetOverrideTag("Distortion", val);
materials[i].name += "(Instance)";
}
}
protected override void OnDestroy()
{
Material[] materials = TrailData.GetMaterialsContainer().materials;
for (int i = 0; i < materials.Length; i++)
{
if (Application.isEditor)
{
UnityEngine.Object.DestroyImmediate(materials[i]);
}
else
{
UnityEngine.Object.Destroy(materials[i]);
}
materials[i] = null;
}
}
protected override void Update()
{
}
public virtual void PlayAnimation(float deltaTime)
{
if (!IsActive)
{
return;
}
_timer += deltaTime;
if (_timer < 0f)
{
return;
}
float num = _timer / _appearDuration;
float num2 = 0f;
if (num > 1f)
{
num = 1f;
num2 = (_timer - _appearDuration) / _vanishDuration;
if (num2 > 1f)
{
IsActive = false;
}
}
num = _appearCurve.Evaluate(num);
num2 = _vanishCurve.Evaluate(num2);
float value = 0f;
Vector3 vector = Vector3.zero;
if (!TrailData.UseForwardOverride || !TrailData.ForwardOverrideRelative)
{
value = 1f;
vector = ((!(Camera.main != null)) ? Vector3.forward : Camera.main.transform.forward);
if (TrailData.UseForwardOverride)
{
vector = TrailData.ForwardOverride.normalized;
}
vector = _t.InverseTransformDirection(vector);
}
Material[] materials = TrailData.GetMaterialsContainer().materials;
foreach (Material material in materials)
{
material.SetVector("_CamForward", vector);
material.SetFloat("_IsUseCamForward", value);
material.SetFloat("_AppearTime", num);
material.SetFloat("_VanishTime", num2);
}
}
public virtual void ResetAnimation(float appearDuration, AnimationCurve appearCurve, float vanishDuration, AnimationCurve vanishCurve)
{
IsActive = true;
_timer = 0f;
_appearDuration = appearDuration;
_appearCurve = appearCurve;
_vanishDuration = vanishDuration;
_vanishCurve = vanishCurve;
Matrix4x4 matrix = default(Matrix4x4);
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
matrix[i, j] = TrailData.SizeOverLife.Evaluate((float)(i * 4 + j) / 15f);
}
}
Vector4 zero = Vector4.zero;
if (TrailData.ColorOverLife.alphaKeys.Length > 2)
{
zero.x = TrailData.ColorOverLife.alphaKeys[1].time;
zero.y = TrailData.ColorOverLife.alphaKeys[2].time;
}
else
{
zero.x = 0f;
zero.y = 1f;
}
Material[] materials = TrailData.GetMaterialsContainer().materials;
foreach (Material material in materials)
{
material.SetFloat("_AppearTime", 0f);
material.SetFloat("_VanishTime", 0f);
material.SetMatrix("_SizeOverLife", matrix);
material.SetVector("_AlphaOverLife", zero);
}
}
protected override void LateUpdate()
{
if (_activeTrail != null)
{
Material[] materials = TrailData.GetMaterialsContainer().materials;
foreach (Material material in materials)
{
Graphics.DrawMesh(_activeTrail.Mesh, _t.localToWorldMatrix, material, base.gameObject.layer);
}
}
}
protected override void OnStartEmit()
{
}
public virtual void Init(Vector3[] controlPoints)
{
if (_activeTrail != null)
{
_activeTrail.Dispose();
}
_activeTrail = new PCTrail(controlPoints.Length + (controlPoints.Length - 1) * PointsBetweenControlPoints);
_controlPoints = new CircularBuffer<ControlPoint>(controlPoints.Length);
for (int i = 0; i < controlPoints.Length - 1; i++)
{
AddControlPoint(controlPoints[i]);
}
if (controlPoints.Length > 0)
{
AddControlPoint(controlPoints[controlPoints.Length - 1], true);
}
GenerateTrail(_activeTrail);
GenerateMesh(_activeTrail);
}
protected virtual void AddControlPoint(Vector3 position, bool isEndPoint = false)
{
if (!isEndPoint)
{
for (int i = 0; i < PointsBetweenControlPoints; i++)
{
AddPoint(new PCTrailPoint(), position);
}
}
AddPoint(new PCTrailPoint(), position);
ControlPoint controlPoint = new ControlPoint();
controlPoint.p = position;
ControlPoint controlPoint2 = controlPoint;
if (TrailData.UseForwardOverride)
{
controlPoint2.forward = TrailData.ForwardOverride.normalized;
}
_controlPoints.Add(controlPoint2);
}
protected new void AddPoint(PCTrailPoint newPoint, Vector3 pos)
{
if (_activeTrail != null)
{
newPoint.Position = pos;
newPoint.PointNumber = ((_activeTrail.Points.Count != 0) ? (_activeTrail.Points[_activeTrail.Points.Count - 1].PointNumber + 1) : 0);
InitialiseNewPoint(newPoint);
newPoint.SetDistanceFromStart((_activeTrail.Points.Count != 0) ? (_activeTrail.Points[_activeTrail.Points.Count - 1].GetDistanceFromStart() + Vector3.Distance(_activeTrail.Points[_activeTrail.Points.Count - 1].Position, pos)) : 0f);
if (TrailData.UseForwardOverride)
{
newPoint.Forward = TrailData.ForwardOverride.normalized;
}
_activeTrail.Points.Add(newPoint);
}
}
protected virtual void GenerateTrail(PCTrail trail)
{
int num = 0;
for (int i = 0; i < _controlPoints.Count; i++)
{
trail.Points[num].Position = _controlPoints[i].p;
if (TrailData.UseForwardOverride)
{
trail.Points[num].Forward = _controlPoints[i].forward;
}
num++;
if (i >= _controlPoints.Count - 1)
{
continue;
}
float num2 = Vector3.Distance(_controlPoints[i].p, _controlPoints[i + 1].p) / 2f;
Vector3 curveStartHandle = ((i != 0) ? (_controlPoints[i].p + (_controlPoints[i + 1].p - _controlPoints[i - 1].p).normalized * num2) : (_controlPoints[i].p + (_controlPoints[i + 1].p - _controlPoints[i].p).normalized * num2));
int num3 = i + 1;
Vector3 curveEndHandle = ((num3 != _controlPoints.Count - 1) ? (_controlPoints[num3].p + (_controlPoints[num3 - 1].p - _controlPoints[num3 + 1].p).normalized * num2) : (_controlPoints[num3].p + (_controlPoints[num3 - 1].p - _controlPoints[num3].p).normalized * num2));
PCTrailPoint pCTrailPoint = trail.Points[num - 1];
PCTrailPoint pCTrailPoint2 = trail.Points[num - 1 + PointsBetweenControlPoints + 1];
for (int j = 0; j < PointsBetweenControlPoints; j++)
{
float t = ((float)j + 1f) / ((float)PointsBetweenControlPoints + 1f);
trail.Points[num].Position = GetPointAlongCurve(_controlPoints[i].p, curveStartHandle, _controlPoints[i + 1].p, curveEndHandle, t, 0.3f);
trail.Points[num].SetTimeActive(Mathf.Lerp(pCTrailPoint.TimeActive(), pCTrailPoint2.TimeActive(), t));
if (TrailData.UseForwardOverride)
{
trail.Points[num].Forward = Vector3.Lerp(pCTrailPoint.Forward, pCTrailPoint2.Forward, t);
}
num++;
}
}
float num4 = 0f;
for (int k = 1; k < trail.Points.Count; k++)
{
num4 += Vector3.Distance(trail.Points[k - 1].Position, trail.Points[k].Position);
trail.Points[k].SetDistanceFromStart(num4);
}
}
private void GenerateMesh(PCTrail trail)
{
trail.Mesh.Clear(false);
Vector3 rhs = ((!(Camera.main != null)) ? Vector3.forward : Camera.main.transform.forward);
if (TrailData.UseForwardOverride)
{
rhs = TrailData.ForwardOverride.normalized;
}
trail.activePointCount = trail.Points.Count;
if (trail.activePointCount < 2)
{
return;
}
int num = 0;
for (int i = 0; i < trail.Points.Count; i++)
{
PCTrailPoint pCTrailPoint = trail.Points[i];
if (!(pCTrailPoint.TimeActive() > TrailData.Lifetime))
{
if (TrailData.UseForwardOverride && TrailData.ForwardOverrideRelative)
{
rhs = pCTrailPoint.Forward;
}
Vector3 zero = Vector3.zero;
zero = ((i < trail.Points.Count - 1) ? ((!TrailData.UseForwardOverride || !TrailData.ForwardOverrideRelative) ? (trail.Points[i + 1].Position - pCTrailPoint.Position).normalized : Vector3.Cross((trail.Points[i + 1].Position - pCTrailPoint.Position).normalized, rhs).normalized) : ((!TrailData.UseForwardOverride || !TrailData.ForwardOverrideRelative) ? (pCTrailPoint.Position - trail.Points[i - 1].Position).normalized : Vector3.Cross((pCTrailPoint.Position - trail.Points[i - 1].Position).normalized, rhs).normalized));
trail.verticies[num] = pCTrailPoint.Position;
trail.normals[num] = zero * StretchUpRatio;
if (clockSize)
{
trail.uvs[num] = new Vector2(pCTrailPoint.GetDistanceFromStart() / trail.Points[trail.Points.Count - 1].GetDistanceFromStart(), 1f);
}
else
{
trail.uvs[num] = new Vector2(pCTrailPoint.GetDistanceFromStart() / trail.Points[trail.Points.Count - 1].GetDistanceFromStart(), 0f);
}
trail.colors[num] = Color.white;
num++;
trail.verticies[num] = pCTrailPoint.Position;
trail.normals[num] = -zero * StretchDownRatio;
if (clockSize)
{
trail.uvs[num] = new Vector2(pCTrailPoint.GetDistanceFromStart() / trail.Points[trail.Points.Count - 1].GetDistanceFromStart(), 0f);
}
else
{
trail.uvs[num] = new Vector2(pCTrailPoint.GetDistanceFromStart() / trail.Points[trail.Points.Count - 1].GetDistanceFromStart(), 1f);
}
trail.colors[num] = Color.white;
num++;
}
}
Vector2 vector = trail.verticies[num - 1];
Vector3 vector2 = trail.normals[num - 1];
for (int j = num; j < trail.verticies.Length; j++)
{
trail.verticies[j] = vector;
trail.normals[j] = vector2;
}
int num2 = 0;
for (int k = 0; k < 2 * (trail.activePointCount - 1); k++)
{
if (k % 2 == 0)
{
trail.indicies[num2] = k;
num2++;
trail.indicies[num2] = k + 1;
num2++;
trail.indicies[num2] = k + 2;
}
else
{
trail.indicies[num2] = k + 2;
num2++;
trail.indicies[num2] = k + 1;
num2++;
trail.indicies[num2] = k;
}
num2++;
}
int num3 = trail.indicies[num2 - 1];
for (int l = num2; l < trail.indicies.Length; l++)
{
trail.indicies[l] = num3;
}
trail.Mesh.vertices = trail.verticies;
trail.Mesh.SetIndices(trail.indicies, MeshTopology.Triangles, 0);
trail.Mesh.uv = trail.uvs;
trail.Mesh.normals = trail.normals;
trail.Mesh.colors = trail.colors;
}
public Vector3 GetPointAlongCurve(Vector3 curveStart, Vector3 curveStartHandle, Vector3 curveEnd, Vector3 curveEndHandle, float t, float crease)
{
float num = 1f - t;
float num2 = Mathf.Pow(num, 3f);
float num3 = Mathf.Pow(num, 2f);
float num4 = 1f - crease;
return (num2 * curveStart * num4 + 3f * num3 * t * curveStartHandle * crease + 3f * num * Mathf.Pow(t, 2f) * curveEndHandle * crease + Mathf.Pow(t, 3f) * curveEnd * num4) / (num2 * num4 + 3f * num3 * t * crease + 3f * num * Mathf.Pow(t, 2f) * crease + Mathf.Pow(t, 3f) * num4);
}
public Vector3 GetPointAlongTrail(float t)
{
CircularBuffer<PCTrailPoint> points = _activeTrail.Points;
if (points.Count == 0)
{
return Vector3.zero;
}
if (points.Count < 2)
{
return _t.TransformPoint(points[0].Position);
}
t = Mathf.Clamp01(t);
float num = points[points.Count - 1].GetDistanceFromStart() * t;
Vector3 position = points[points.Count - 1].Position;
for (int i = 1; i < points.Count; i++)
{
if (points[i].GetDistanceFromStart() > num)
{
float t2 = (num - points[i - 1].GetDistanceFromStart()) / (points[i].GetDistanceFromStart() - points[i - 1].GetDistanceFromStart());
position = Vector3.Lerp(points[i - 1].Position, points[i].Position, t2);
break;
}
}
return _t.TransformPoint(position);
}
protected override int GetMaxNumberOfPoints()
{
throw new NotImplementedException();
}
}
}