added new parameters

src/main/kotlin/com/bytedice/bde_particles/Bde_particles.kt

@@ -52,6 +52,9 @@ import kotlin.reflect.full.declaredMemberProperties
 // Copying particle params in-game.
 // Custom curve equation command args (parse from strings).
 // Force field "config" option.
+
+// TODO: (now)
+// add lerpValInt to commands
 // Better particle debug tools.
   // Use more BDEs instead of particles, and show more values than origin and velocity.
 

src/main/kotlin/com/bytedice/bde_particles/commands/ConfigArgs.kt

@@ -103,12 +103,15 @@ fun parseArgTypeToFunc(type: KType, configArg: LiteralArgumentBuilder<ServerComm
     ParamClasses.StringCurve::class -> { access, config, reg ->
       stringCurveArg(access as KProperty1<EmitterParams, ParamClasses.StringCurve>, config, reg)
     }
-    ParamClasses.LerpVal::class -> { access, config, _ ->
+    ParamClasses.LerpValVec3f::class -> { access, config, _ ->
-      lerpValArg(access as KProperty1<EmitterParams, ParamClasses.LerpVal>, config)
+      lerpValVec3fArg(access as KProperty1<EmitterParams, ParamClasses.LerpValVec3f>, config)
     }
     ParamClasses.ForceFieldArray::class -> { access, config, _ ->
       forceFieldArg(access as KProperty1<EmitterParams, ParamClasses.ForceFieldArray>, config)
     }
+    ParamClasses.LerpValInt::class -> { access, config, _ ->
+      lerpValIntArg(access as KProperty1<EmitterParams, ParamClasses.LerpValInt>, config)
+    }
     else -> null
   }
 }
@@ -550,7 +553,7 @@ fun stringCurveRemoveArg(context: CommandContext<ServerCommandSource>,
   successText(access, "--$item", id, context)
 }
 
-fun lerpValArg(access: KProperty1<EmitterParams,ParamClasses.LerpVal>,
+fun lerpValVec3fArg(access: KProperty1<EmitterParams,ParamClasses.LerpValVec3f>,
                     configArg: LiteralArgumentBuilder<ServerCommandSource>
               ) : LiteralArgumentBuilder<ServerCommandSource>
 {
@@ -575,7 +578,7 @@ fun lerpValArg(access: KProperty1<EmitterParams,ParamClasses.LerpVal>,
 
                       val curve = stringToCurve(curveName)
 
-                      updateParam(id, access, ParamClasses.LerpVal.LerpVec3f(minX, minY, minZ, maxX, maxY, maxZ, curve!!))
+                      updateParam(id, access, ParamClasses.LerpValVec3f.LerpVec3f(minX, minY, minZ, maxX, maxY, maxZ, curve!!))
 
                       successText(access, "LerpVec3f", id, context)
                       Command.SINGLE_SUCCESS
@@ -614,7 +617,7 @@ fun lerpValArg(access: KProperty1<EmitterParams,ParamClasses.LerpVal>,
                           val curveY = stringToCurve(curveNameY)
                           val curveZ = stringToCurve(curveNameZ)
 
-                          updateParam(id, access, ParamClasses.LerpVal.MultiLerpVec3f(minX, minY, minZ, maxX, maxY, maxZ, curveX!!, curveY!!, curveZ!!))
+                          updateParam(id, access, ParamClasses.LerpValVec3f.MultiLerpVec3f(minX, minY, minZ, maxX, maxY, maxZ, curveX!!, curveY!!, curveZ!!))
 
                           successText(access, "MultiLerpVec3f", id, context)
                           Command.SINGLE_SUCCESS
@@ -629,11 +632,51 @@ fun lerpValArg(access: KProperty1<EmitterParams,ParamClasses.LerpVal>,
         )
       )
     )
+    .then(CommandManager.literal("LerpUniform")
+      .then(CommandManager.argument("Min", FloatArgumentType.floatArg())
+        .then(CommandManager.argument("Max", FloatArgumentType.floatArg())
+          .then(curveListArg("Curve")
+            .executes { context ->
+              val id = StringArgumentType.getString(context, "Emitter ID")
+              val min = FloatArgumentType.getFloat(context, "Min")
+              val max = FloatArgumentType.getFloat(context, "Max")
+              val curveName = StringArgumentType.getString(context, "Curve")
+
+              val curve = stringToCurve(curveName)
+
+              updateParam(id, access, ParamClasses.LerpValVec3f.LerpUniform(min, max, curve!!))
+
+              successText(access, "LerpUniform", id, context)
+              Command.SINGLE_SUCCESS
+            }
+          )
+        )
+      )
+    )
+    .then(CommandManager.literal("Constant")
+      .then(CommandManager.argument("X", FloatArgumentType.floatArg())
+        .then(CommandManager.argument("Y", FloatArgumentType.floatArg())
+          .then(CommandManager.argument("Z", FloatArgumentType.floatArg())
+            .executes { context ->
+              val id = StringArgumentType.getString(context, "Emitter ID")
+              val x = FloatArgumentType.getFloat(context, "X")
+              val y = FloatArgumentType.getFloat(context, "Y")
+              val z = FloatArgumentType.getFloat(context, "Z")
+
+              updateParam(id, access, ParamClasses.LerpValVec3f.Constant(Vector3f(x, y, z)))
+
+              successText(access, "Constant", id, context)
+              Command.SINGLE_SUCCESS
+            }
+          )
+        )
+      )
+    )
     .then(CommandManager.literal("Null")
       .executes { context ->
         val id = StringArgumentType.getString(context, "Emitter ID")
 
-        updateParam(id, access, ParamClasses.LerpVal.Null)
+        updateParam(id, access, ParamClasses.LerpValVec3f.Null)
 
         successText(access, "Null", id, context)
         Command.SINGLE_SUCCESS
@@ -778,3 +821,54 @@ fun forceFieldRemoveArg(context: CommandContext<ServerCommandSource>,
 
   successText(access, "--ForceField at $calcIndex", id, context)
 }
+
+fun lerpValIntArg(access: KProperty1<EmitterParams, ParamClasses.LerpValInt>,
+               configArg: LiteralArgumentBuilder<ServerCommandSource>
+              ) : LiteralArgumentBuilder<ServerCommandSource>
+{
+  return configArg
+    .then(CommandManager.literal("LerpInt")
+      .then(CommandManager.argument("Min", IntegerArgumentType.integer())
+        .then(CommandManager.argument("Max", IntegerArgumentType.integer())
+          .then(curveListArg("Curve")
+            .executes { context ->
+              val id = StringArgumentType.getString(context, "Emitter ID")
+              val min = IntegerArgumentType.getInteger(context, "Min")
+              val max = IntegerArgumentType.getInteger(context, "Max")
+              val curveName = StringArgumentType.getString(context, "Curve")
+
+              val curve = stringToCurve(curveName)
+
+              updateParam(id, access, ParamClasses.LerpValInt.LerpInt(min, max, curve!!))
+
+              successText(access, "LerpInt", id, context)
+              Command.SINGLE_SUCCESS
+            }
+          )
+        )
+      )
+    )
+    .then(CommandManager.literal("Constant")
+      .then(CommandManager.argument("Value", IntegerArgumentType.integer())
+        .executes { context ->
+          val id = StringArgumentType.getString(context, "Emitter ID")
+          val value = IntegerArgumentType.getInteger(context, "Value")
+
+          updateParam(id, access, ParamClasses.LerpValInt.Constant(value))
+
+          successText(access, "Constant", id, context)
+          Command.SINGLE_SUCCESS
+        }
+      )
+    )
+    .then(CommandManager.literal("Null")
+      .executes { context ->
+        val id = StringArgumentType.getString(context, "Emitter ID")
+
+        updateParam(id, access, ParamClasses.LerpValInt.Null)
+
+        successText(access, "Null", id, context)
+        Command.SINGLE_SUCCESS
+      }
+    )
+}

src/main/kotlin/com/bytedice/bde_particles/particles/EmitterParams.kt

@@ -27,10 +27,11 @@ data class EmitterParams (
   var drag:        Float,
   var minVel:      Float,
   // curves
-  var offsetCurve: ParamClasses.LerpVal,
+  var offsetCurve:     ParamClasses.LerpValVec3f,
-  var rotVelCurve: ParamClasses.LerpVal,
+  var rotVelCurve:     ParamClasses.LerpValVec3f,
-  var scaleCurve:  ParamClasses.LerpVal,
+  var scaleCurve:      ParamClasses.LerpValVec3f,
   var modelCurve:      ParamClasses.StringCurve,
+  var brightnessCurve: ParamClasses.LerpValInt,
 )
 {
   companion object Presets {
@@ -53,9 +54,9 @@ data class EmitterParams (
       constVel = Vector3f(0.0f, 0.0f, 0.0f),
       drag = 0.075f,
       minVel = 0.0f,
-      offsetCurve = ParamClasses.LerpVal.Null,
+      offsetCurve = ParamClasses.LerpValVec3f.Null,
-      rotVelCurve = ParamClasses.LerpVal.LerpUniform(1.0f, 0.0f, LerpCurves.Sqrt),
+      rotVelCurve = ParamClasses.LerpValVec3f.LerpUniform(1.0f, 0.0f, LerpCurves.Sqrt),
-      scaleCurve = ParamClasses.LerpVal.LerpUniform(1.0f, 2.5f, LerpCurves.Linear),
+      scaleCurve = ParamClasses.LerpValVec3f.LerpUniform(1.0f, 2.5f, LerpCurves.Linear),
       modelCurve = ParamClasses.StringCurve(
         arrayOf(
           "shroomlight",
@@ -66,7 +67,8 @@ data class EmitterParams (
           "light_gray_stained_glass"
         ),
         LerpCurves.Sqrt
-      )
+      ),
+      brightnessCurve = ParamClasses.LerpValInt.LerpInt(15, 0, LerpCurves.Sqrt)
     )
     val DEBUG = EmitterParams(
       maxCount = 50,
@@ -87,9 +89,9 @@ data class EmitterParams (
       constVel = Vector3f(0.0f, -0.05f, 0.0f),
       drag = 0.075f,
       minVel = 0.0f,
-      offsetCurve = ParamClasses.LerpVal.Null,
+      offsetCurve = ParamClasses.LerpValVec3f.Null,
-      rotVelCurve = ParamClasses.LerpVal.LerpUniform(1.0f, 0.0f, LerpCurves.Linear),
+      rotVelCurve = ParamClasses.LerpValVec3f.LerpUniform(1.0f, 0.0f, LerpCurves.Linear),
-      scaleCurve = ParamClasses.LerpVal.LerpUniform(1.0f, 1.0f, LerpCurves.Linear),
+      scaleCurve = ParamClasses.LerpValVec3f.LerpUniform(1.0f, 1.0f, LerpCurves.Linear),
       modelCurve = ParamClasses.StringCurve(
         arrayOf(
           "shroomlight",
@@ -100,7 +102,8 @@ data class EmitterParams (
           "light_gray_stained_glass"
         ),
         LerpCurves.Linear
-      )
+      ),
+      brightnessCurve = ParamClasses.LerpValInt.Null
     )
     val STRESS_TEST = EmitterParams(
       maxCount = 10000,
@@ -126,9 +129,9 @@ data class EmitterParams (
       constVel = Vector3f(0.0f, 0.001f, 0.0f),
       drag = 0.075f,
       minVel = 0.0f,
-      offsetCurve = ParamClasses.LerpVal.Null,
+      offsetCurve = ParamClasses.LerpValVec3f.Null,
-      rotVelCurve = ParamClasses.LerpVal.LerpUniform(1.0f, 0.0f, LerpCurves.Linear),
+      rotVelCurve = ParamClasses.LerpValVec3f.LerpUniform(1.0f, 0.0f, LerpCurves.Linear),
-      scaleCurve = ParamClasses.LerpVal.LerpUniform(1.0f, 1.5f, LerpCurves.Linear),
+      scaleCurve = ParamClasses.LerpValVec3f.LerpUniform(1.0f, 1.5f, LerpCurves.Linear),
       modelCurve = ParamClasses.StringCurve(
         arrayOf(
           "shroomlight",
@@ -139,7 +142,8 @@ data class EmitterParams (
           "light_gray_stained_glass"
         ),
         LerpCurves.Linear
-      )
+      ),
+      brightnessCurve = ParamClasses.LerpValInt.Null
     )
   }
 }

src/main/kotlin/com/bytedice/bde_particles/particles/ParamClasses.kt

@@ -38,19 +38,22 @@ class ParamClasses {
     }
     data object Null : PairVec3f()
   }
+
   class PairInt (
     private val min: Int,
     private val max: Int,
   ) {
     fun randomize() : Int { return randomIntBetween(min, max) }
   }
+
   class PairFloat(
     private val min: Float,
     private val max: Float,
   ) {
     fun randomize() : Float { return randomFloatBetween(min, max) }
   }
-  sealed class LerpVal {
+
+  sealed class LerpValVec3f {
     class LerpVec3f(
       private val fromX: Float,
       private val fromY: Float,
@@ -59,7 +62,7 @@ class ParamClasses {
       private val toY: Float,
       private val toZ: Float,
       private val curve: LerpCurves,
-    ) : LerpVal() {
+    ) : LerpValVec3f() {
       fun lerp(t: Float): Vector3f {
         val x = com.bytedice.bde_particles.lerp(fromX, toX, curve.function(t))
         val y = com.bytedice.bde_particles.lerp(fromY, toY, curve.function(t))
@@ -77,7 +80,7 @@ class ParamClasses {
       private val curveX: LerpCurves,
       private val curveY: LerpCurves,
       private val curveZ: LerpCurves
-    ) : LerpVal() {
+    ) : LerpValVec3f() {
       fun lerp(t: Float): Vector3f {
         val x = com.bytedice.bde_particles.lerp(fromX, toX, curveX.function(t))
         val y = com.bytedice.bde_particles.lerp(fromY, toY, curveY.function(t))
@@ -89,12 +92,13 @@ class ParamClasses {
       private val from: Float,
       private val to: Float,
       private val curve: LerpCurves,
-    ) : LerpVal() {
+    ) : LerpValVec3f() {
       fun lerp(t: Float) : Float {
         return com.bytedice.bde_particles.lerp(from, to, curve.function(t))
       }
     }
-    data object Null : LerpVal()
+    data class Constant(val value: Vector3f) : LerpValVec3f()
+    data object Null : LerpValVec3f()
 
     fun lerpToVector3f(t: Float) : Vector3f {
       when (this) {
@@ -104,10 +108,34 @@ class ParamClasses {
           val x = this.lerp(t)
           return Vector3f(x, x, x)
         }
+        is Constant -> return this.value
         is Null -> return Vector3f(1.0f, 1.0f, 1.0f)
       }
     }
   }
+
+  sealed class LerpValInt {
+    class LerpInt(
+      private val from: Int,
+      private val to: Int,
+      private val curve: LerpCurves,
+    ) : LerpValInt() {
+      fun lerp(t: Float): Int {
+        return Math.round(com.bytedice.bde_particles.lerp(from.toFloat(), to.toFloat(), curve.function(t)))
+      }
+    }
+    data class Constant(val value: Int) : LerpValInt()
+    data object Null: LerpValInt()
+
+    fun lerpToInt(t: Float) : Int? {
+      return when (this) {
+        is LerpInt -> this.lerp(t)
+        is Constant -> this.value
+        is Null -> null
+      }
+    }
+  }
+
   sealed class Duration {
     data class SingleBurst(
       val loopDur:        Int
@@ -122,6 +150,7 @@ class ParamClasses {
       val loopDelay:      Int
     ) : Duration()
   }
+
   sealed class TransformWithVel {
     data object RotOnly : TransformWithVel() {
       fun velToRot(velocity: Vector3f): Vector3f {
@@ -156,12 +185,14 @@ class ParamClasses {
     }
     data object None : TransformWithVel()
   }
+
   class StringCurve (
     var array: Array<String>,
     var curve: LerpCurves
   ) {
     fun lerp(t: Float) : String { return lerpArray(array as Array<Any>, t, curve) as String }
   }
+
   data class ForceFieldArray (
     var array: Array<ForceField>
   )

src/main/kotlin/com/bytedice/bde_particles/particles/Particle.kt

@@ -79,7 +79,8 @@ class Particle(
       translation        = newPos.add(pos),
       leftRotation       = quatRot,
       scale              = Vector3f(scale).mul(emitterParams.scaleCurve.lerpToVector3f(0.0f)),
-      tags         = arrayOf("BPS_Particle", "BPS_UUID", SESSION_UUID.toString())
+      tags               = arrayOf("BPS_Particle", "BPS_UUID", SESSION_UUID.toString()),
+      brightnessOverride = emitterParams.brightnessCurve.lerpToInt(0.0f)
     )
 
     particleEntity = DisplayEntity(properties)
@@ -133,6 +134,7 @@ class Particle(
     val newModel         =  if (emitterParams.modelCurve.array.isNotEmpty()) { emitterParams.modelCurve.lerp(timeAliveClamped) } else "none"
     val (newVel, newPos) = calcPos()
     val newOriginOffset  = Vector3f(originOffset.mul(emitterParams.offsetCurve.lerpToVector3f(timeAliveClamped)))
+    val newBrightness    = emitterParams.brightnessCurve.lerpToInt(timeAliveClamped)
 
     val newScale: Vector3f
     val newRot: Vector3f
@@ -171,7 +173,8 @@ class Particle(
       translation        = combinedOffset.add(newOriginOffset),
       leftRotation       = quatRot,
       scale              = newScale,
-      tags         = arrayOf("BPS_Particle", "BPS_UUID", SESSION_UUID.toString())
+      tags               = arrayOf("BPS_Particle", "BPS_UUID", SESSION_UUID.toString()),
+      brightnessOverride = newBrightness
     )
 
     return newProperties