extra data

added an option for particles to store extra data

Author: coolcatcoder

Assets/Scenes/pond_testing.unity

@@ -2620,7 +2620,7 @@ BoxCollider:
   m_GameObject: {fileID: 1599316680}
   m_Material: {fileID: 0}
   m_IsTrigger: 0
-  m_Enabled: 0
+  m_Enabled: 1
   serializedVersion: 2
   m_Size: {x: 1, y: 1, z: 1}
   m_Center: {x: 0, y: 0, z: 0}
@@ -7988,6 +7988,7 @@ MonoBehaviour:
     rgba: 4292915235
   debug: 0
   Burst: 0
+  ExtraData: 0
 --- !u!1 &1952657746
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/FlexStuff/FlexContainer.cs

@@ -19,6 +19,8 @@ public class FlexContainer : MonoBehaviour
     public int MaxDiffuseParticles = 0;
     [System.NonSerialized]
     public Color32[] ParticleColours;
+    [System.NonSerialized]
+    public int[] ExtraData;
     public float RParticleRadius = 0.15f;
     public int Substeps = 1;
 
@@ -87,7 +89,7 @@ public class FlexContainer : MonoBehaviour
     public int CurrentSlot;
 
     //bool ShapesChanged = true;
-    FlexCollider[] Shapes;
+    //FlexCollider[] Shapes;
 
     bool FirstTime = true;
 
@@ -303,6 +305,7 @@ public int AddShape()
     // Start is called before the first frame update
     void Start()
     {
+        ExtraData = new int[MaxParticles];
         unsafe
         {
             Library = Methods.NvFlexInit();

Assets/Scripts/FlexStuff/FlexEmitter.cs

@@ -2,7 +2,10 @@
 using System.Collections.Generic;
 using UnityEngine;
 using FlexSharp;
+using FlexSharpExt;
 using Unity.Burst;
+using Methods = FlexSharp.Methods;
+using ExtMethods = FlexSharpExt.Methods;
 
 public class FlexEmitter : MonoBehaviour
 {
@@ -19,6 +22,8 @@ public class FlexEmitter : MonoBehaviour
     public Color32[] Colours;
     public bool debug = false;
     public bool Burst;
+    public ExtDat ExtraData;
+    //public ExtDatApplyType WayToApplyExtraData;
 
     float SecondsUntilNext = 0;
 
@@ -74,6 +79,7 @@ void EmitParticles()
                 Container.PBuf.Velocities.data[Container.CurrentSlot] = new Vector3(VelocityX, VelocityY, VelocityZ);
                 Container.PBuf.Phases.data[Container.CurrentSlot] = Methods.NvFlexMakePhaseWithChannels(0, (int)NvFlexPhase.eNvFlexPhaseSelfCollide | (int)NvFlexPhase.eNvFlexPhaseFluid, (int)NvFlexPhase.eNvFlexPhaseShapeChannel0);
                 Container.ParticleColours[Container.CurrentSlot] = Colours[Random.Range(0,Colours.Length)];
+                Container.ExtraData[Container.CurrentSlot] = (int)ExtraData;
 
                 Container.SlotsUsed++;
                 Mathf.Clamp(Container.SlotsUsed, 0, Container.MaxParticles);

Assets/Scripts/FlexStuff/FlexSharpExt/ExtraDataEnum.cs

@@ -0,0 +1,20 @@
+namespace FlexSharpExt
+{
+    [System.Flags]
+    public enum ExtDat
+    {
+        None = 0,
+        Fun1 = 1,
+        Fun2 = 2,
+        Fun3 = 4
+    }
+
+    public enum ExtDatApplyType
+    {
+        Set,
+        Unset,
+        Toggle,
+        Replace,
+        Nothing
+    }
+}

Assets/Scripts/FlexStuff/FlexSharpExt/ExtraDataEnum.cs.meta

@@ -5,6 +5,11 @@ namespace FlexSharpExt
 {
     public static unsafe partial class Methods
     {
+        public static bool HasFlag(ExtDat a, ExtDat b)
+        {
+            return (a & b) == b;
+        }
+
         [DllImport("NvFlexExtReleaseD3D_x64.dll", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
         public static extern void NvFlexExtMovingFrameInit(NvFlexExtMovingFrame* frame, [NativeTypeName("const float *")] float* worldTranslation, [NativeTypeName("const float *")] float* worldRotation);