From f4a66770972b9fa9eef8cb6a9a16241b02f81c69 Mon Sep 17 00:00:00 2001
From: Davide Tantillo <iamdjj@gmail.com>
Date: Mon, 16 Jun 2025 09:53:07 +0200
Subject: [PATCH] [haxe] 4.3 porting WIP - latest updates.

---
 .../spine-haxe/spine/PhysicsConstraint.hx     | 17 +++++-----
 spine-haxe/spine-haxe/spine/Posed.hx          | 32 ++++++++++++++++---
 spine-haxe/spine-haxe/spine/PosedActive.hx    |  2 +-
 spine-haxe/spine-haxe/spine/Skeleton.hx       | 12 +++----
 4 files changed, 44 insertions(+), 19 deletions(-)

diff --git a/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx b/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx
index f6a0f7fc4..69c80e3fc 100644
--- a/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx
+++ b/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx
@@ -135,8 +135,8 @@ class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsConstraintD
 					ux = bx;
 					uy = by;
 				} else {
-					var a = remaining, i = p.inertia, f = skeleton.data.referenceScale, d = -1., m = 0., e = 0., qx = data.limit * delta,
-						qy = qx * Math.abs(skeleton.scaleY);
+					var a = remaining, i = p.inertia, f = skeleton.data.referenceScale, d = -1., m = 0., e = 0., ax = 0., ay = 0.,
+						qx = data.limit * delta, qy = qx * Math.abs(skeleton.scaleY);
 					qx *= Math.abs(skeleton.scaleX);
 					if (x || y) {
 						if (x) {
@@ -154,8 +154,9 @@ class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsConstraintD
 							d = Math.pow(p.damping, 60 * t);
 							m = t * p.massInverse;
 							e = p.strength;
-							var w = f * p.wind * skeleton.scaleX, g = f * p.gravity * skeleton.scaleY,
-								ax = w * skeleton.windX + g * skeleton.gravityX, ay = w * skeleton.windY + g * skeleton.gravityY;
+							var w = f * p.wind, g = f * p.gravity;
+							ax = (w * skeleton.windX + g * skeleton.gravityX) * skeleton.scaleX;
+							ay = (w * skeleton.windY + g * skeleton.gravityY) * skeleton.scaleY;
 							do {
 								if (x) {
 									xVelocity += (ax - xOffset * e) * m;
@@ -210,11 +211,11 @@ class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsConstraintD
 								d = Math.pow(p.damping, 60 * t);
 								m = t * p.massInverse;
 								e = p.strength;
+								var w = f * p.wind, g = f * (Bone.yDown ? -p.gravity : p.gravity);
+								ax = (w * skeleton.windX + g * skeleton.gravityX) * skeleton.scaleX;
+								ay = (w * skeleton.windY + g * skeleton.gravityY) * skeleton.scaleY;
 							}
-							var g = Bone.yDown ? -p.gravity : p.gravity;
-							var rs = rotateOffset, ss = scaleOffset, h = l / f,
-								ax = p.wind * skeleton.windX + g * skeleton.gravityX,
-								ay = p.wind * skeleton.windY + g * skeleton.gravityY;
+							var rs = rotateOffset, ss = scaleOffset, h = l / f;
 							while (true) {
 								a -= t;
 								if (scaleX) {
diff --git a/spine-haxe/spine-haxe/spine/Posed.hx b/spine-haxe/spine-haxe/spine/Posed.hx
index c7d247b3d..4bdad9cfb 100644
--- a/spine-haxe/spine-haxe/spine/Posed.hx
+++ b/spine-haxe/spine-haxe/spine/Posed.hx
@@ -36,23 +36,47 @@ abstract class Posed< //
 
 	/** The constraint's setup pose data. */
 	public final data:D;
-
-	public final pose:P;
+	public final pose:A;
 	public final constrained:A;
 	public var applied:A;
 
-	public function new (data:D, pose:P, constrained:A) {
+	public function new (data:D, pose:A, constrained:A) {
 		if (data == null) throw new SpineException("data cannot be null.");
 		this.data = data;
 		this.pose = pose;
 		this.constrained = constrained;
-		applied = cast pose;
+		applied = pose;
+	}
+
+	/** The constraint's setup pose data. */
+	public function getData ():D {
+		return data;
+	}
+
+	public function getPose ():P {
+		return pose;
+	}
+
+	public function getAppliedPose ():A {
+		return applied;
 	}
 
 	public function setupPose ():Void {
 		pose.set(data.setup);
 	}
 
+	public function usePose ():Void { // Port: usePose - reference runtime: pose()
+		applied = pose;
+	}
+
+	public function useConstrained ():Void { // Port: useConstrained - reference runtime: constrained()
+		applied = constrained;
+	}
+
+	public function resetConstrained ():Void { // Port: resetConstrained - reference runtime: reset()
+		constrained.set(pose);
+	}
+
 	public function toString ():String {
 		return data.name;
 	}
diff --git a/spine-haxe/spine-haxe/spine/PosedActive.hx b/spine-haxe/spine-haxe/spine/PosedActive.hx
index 9f6b3d7ff..8c092d979 100644
--- a/spine-haxe/spine-haxe/spine/PosedActive.hx
+++ b/spine-haxe/spine-haxe/spine/PosedActive.hx
@@ -37,7 +37,7 @@ abstract class PosedActive< //
 
 	public var active:Bool;
 
-	public function new (data:D, pose:P, constrained:A) {
+	public function new (data:D, pose:A, constrained:A) {
 		super(data, pose, constrained);
 		setupPose();
 	}
diff --git a/spine-haxe/spine-haxe/spine/Skeleton.hx b/spine-haxe/spine-haxe/spine/Skeleton.hx
index 2e5fc3366..63a79ebb2 100644
--- a/spine-haxe/spine-haxe/spine/Skeleton.hx
+++ b/spine-haxe/spine-haxe/spine/Skeleton.hx
@@ -154,12 +154,12 @@ class Skeleton {
 		resetCache.resize(0);
 
 		for (slot in slots)
-			slot.applied = slot.pose;
+			slot.usePose();
 
 		for (bone in bones) {
 			bone.sorted = bone.data.skinRequired;
 			bone.active = !bone.sorted;
-			bone.applied = cast(bone.pose, BonePose);
+			bone.usePose();
 		}
 
 		if (skin != null) {
@@ -175,7 +175,7 @@ class Skeleton {
 		}
 
 		for (constraint in constraints)
-			constraint.applied = constraint.pose;
+			constraint.usePose();
 		for (c in constraints) {
 			var constraint:Constraint<Dynamic, Dynamic, Dynamic> = c;
 			constraint.active = constraint.isSourceActive()
@@ -203,7 +203,7 @@ class Skeleton {
 
 	public function constrained (object:Posed<Dynamic, Dynamic, Dynamic>) {
 		if (object.pose == object.applied) {
-			object.applied = object.constrained;
+			object.useConstrained();
 			resetCache.push(object);
 		}
 	}
@@ -232,8 +232,8 @@ class Skeleton {
 	public function updateWorldTransform(physics:Physics):Void {
 		_update++;
 
-		for (object in resetCache)
-			object.applied.set(object.pose);
+		for (resetable in resetCache)
+			resetable.resetConstrained();
 
 		for (updatable in _updateCache)
 			updatable.update(this, physics);