merge upstream

leenkx/Sources/iron/object/ParticleSystem.hx

@@ -71,11 +71,12 @@ class ParticleSystem {
 		Data.getParticle(sceneName, pref.particle, function(b: ParticleData) {
 			data = b;
 			r = data.raw;
-			if (r.dynamic_emitter != null){
-				dynamicEmitter = r.dynamic_emitter; 
-			} else {
-				dynamicEmitter = true;
+			var dyn: Null<Bool> = r.dynamic_emitter;
+			var dynValue: Bool = true;
+			if (dyn != null) {
+				dynValue = dyn;
 			}
+			dynamicEmitter = dynValue;
 			if (Scene.active.raw.gravity != null) {
 				gx = Scene.active.raw.gravity[0] * r.weight_gravity;
 				gy = Scene.active.raw.gravity[1] * r.weight_gravity;

leenkx/Sources/leenkx/logicnode/AnyContactNode.hx

@@ -0,0 +1,48 @@
+package leenkx.logicnode;
+import iron.object.Object;
+
+#if lnx_physics
+import leenkx.trait.physics.PhysicsCache;
+import leenkx.trait.physics.RigidBody;
+#end
+
+class AnyContactNode extends LogicNode {
+
+	public var property0: String; 
+	var lastContact = false;
+
+	public function new(tree: LogicTree) {
+		super(tree);
+		tree.notifyOnUpdate(update);
+	}
+
+	function update() {
+		var object1: Object = inputs[0].get();
+		if (object1 == null) object1 = tree.object;
+		if (object1 == null) return;
+
+		var contact = false;
+
+		#if lnx_physics
+		var rb1 = PhysicsCache.getCachedRigidBody(object1);
+		if (rb1 != null) {
+			var rbs = PhysicsCache.getCachedContacts(rb1);
+			contact = (rbs != null && rbs.length > 0);
+		}
+		#end
+
+		var shouldTrigger = false;
+		switch (property0) {
+		case "begin":
+			shouldTrigger = contact && !lastContact;
+		case "overlap":
+			shouldTrigger = contact;
+		case "end":
+			shouldTrigger = !contact && lastContact;
+		}
+
+		lastContact = contact;
+
+		if (shouldTrigger) runOutput(0);
+	}
+}

leenkx/Sources/leenkx/logicnode/HasContactNode.hx

@@ -1,7 +1,10 @@
 package leenkx.logicnode;
-
 import iron.object.Object;
+
+#if lnx_physics
+import leenkx.trait.physics.PhysicsCache;
 import leenkx.trait.physics.RigidBody;
+#end
 
 class HasContactNode extends LogicNode {
 
@@ -15,12 +18,15 @@ class HasContactNode extends LogicNode {
 
 		if (object1 == null || object2 == null) return false;
 
-#if lnx_physics
-		var physics = leenkx.trait.physics.PhysicsWorld.active;
-		var rb2 = object2.getTrait(RigidBody);
-		var rbs = physics.getContacts(object1.getTrait(RigidBody));
-		if (rbs != null) for (rb in rbs) if (rb == rb2) return true;
-#end
+		#if lnx_physics
+		var rb1 = PhysicsCache.getCachedRigidBody(object1);
+		var rb2 = PhysicsCache.getCachedRigidBody(object2);
+		
+		if (rb1 != null && rb2 != null) {
+			var rbs = PhysicsCache.getCachedContacts(rb1);
+			return PhysicsCache.hasContactWith(rbs, rb2);
+		}
+		#end
 		return false;
 	}
 }

leenkx/Sources/leenkx/logicnode/OnContactNode.hx

@@ -1,7 +1,11 @@
 package leenkx.logicnode;
-
 import iron.object.Object;
+
+#if lnx_physics
+import leenkx.trait.physics.PhysicsCache;
 import leenkx.trait.physics.RigidBody;
+#end
+
 
 class OnContactNode extends LogicNode {
 
@@ -23,22 +27,15 @@ class OnContactNode extends LogicNode {
 
 		var contact = false;
 
-#if lnx_physics
-		var physics = leenkx.trait.physics.PhysicsWorld.active;
-		var rb1 = object1.getTrait(RigidBody);
-		if (rb1 != null) {
-			var rbs = physics.getContacts(rb1);
-			if (rbs != null) {
-				var rb2 = object2.getTrait(RigidBody);
-				for (rb in rbs) {
-					if (rb == rb2) {
-						contact = true;
-						break;
+		#if lnx_physics
+			var rb1 = PhysicsCache.getCachedRigidBody(object1);
+			var rb2 = PhysicsCache.getCachedRigidBody(object2);
+			
+			if (rb1 != null && rb2 != null) {
+				var rbs = PhysicsCache.getCachedContacts(rb1);
+				contact = PhysicsCache.hasContactWith(rbs, rb2);
 			}
-				}
-			}
-		}
-#end
+		#end
 
 		var b = false;
 		switch (property0) {

leenkx/Sources/leenkx/trait/physics/PhysicsCache.hx

@@ -0,0 +1,98 @@
+package leenkx.trait.physics;
+
+import iron.object.Object;
+
+class PhysicsCache {
+	#if lnx_physics
+	static var rbCache: Map<Int, Dynamic> = new Map();
+	static var contactsCache: Map<Int, Array<Dynamic>> = new Map();
+	static var physicsFrame: Int = 0;
+	static var lastQueryFrame: Int = -1;
+	#end
+	
+	public static function getCachedRigidBody(object: Object): Dynamic {
+		#if (!lnx_physics)
+		return null;
+		#else
+		if (object == null) return null;
+		
+		var cached = rbCache.get(object.uid);
+		if (cached != null) return cached;
+		
+		#if lnx_bullet
+		var rb = object.getTrait(leenkx.trait.physics.bullet.RigidBody);
+		#else
+		var rb = object.getTrait(leenkx.trait.physics.oimo.RigidBody);
+		#end
+		
+		if (rb != null) rbCache.set(object.uid, rb);
+		return rb;
+		#end
+	}
+
+	public static function getCachedContacts(rb: Dynamic): Array<Dynamic> {
+		#if (!lnx_physics)
+		return null;
+		#else
+		if (rb == null) return null;
+		
+		var rbObjectId = (rb.object != null) ? rb.object.uid : -1;
+		
+		if (rbObjectId == -1) {
+			#if lnx_bullet
+			if (leenkx.trait.physics.bullet.PhysicsWorld.active == null) return null;
+			return leenkx.trait.physics.bullet.PhysicsWorld.active.getContacts(rb);
+			#else
+			if (leenkx.trait.physics.oimo.PhysicsWorld.active == null) return null;
+			return leenkx.trait.physics.oimo.PhysicsWorld.active.getContacts(rb);
+			#end
+		}
+		
+		if (lastQueryFrame == physicsFrame) {
+			var cached = contactsCache.get(rbObjectId);
+			if (cached != null) return cached;
+		}
+		
+		lastQueryFrame = physicsFrame;
+		
+		var cached = contactsCache.get(rbObjectId);
+		if (cached != null) return cached;
+		
+		#if lnx_bullet
+		if (leenkx.trait.physics.bullet.PhysicsWorld.active == null) return null;
+		var contacts = leenkx.trait.physics.bullet.PhysicsWorld.active.getContacts(rb);
+		#else
+		if (leenkx.trait.physics.oimo.PhysicsWorld.active == null) return null;
+		var contacts = leenkx.trait.physics.oimo.PhysicsWorld.active.getContacts(rb);
+		#end
+		
+		if (contacts != null) {
+			contactsCache.set(rbObjectId, contacts);
+		}
+		
+		return contacts;
+		#end
+	}
+
+	public static inline function hasContactWith(contacts: Array<Dynamic>, target: Dynamic): Bool {
+		#if (!lnx_physics)
+		return false;
+		#else
+		return contacts != null && target != null && contacts.indexOf(target) >= 0;
+		#end
+	}
+
+	public static function clearCache() {
+		#if lnx_physics
+		rbCache.clear();
+		contactsCache.clear();
+		#end
+	}
+
+	public static function clearContactsCache() {
+		#if lnx_physics
+		physicsFrame++;
+		contactsCache.clear();
+		#end
+	}
+}

leenkx/Sources/leenkx/trait/physics/PhysicsWorld.hx

@@ -8,11 +8,9 @@ class PhysicsWorld extends iron.Trait { public function new() { super(); } }
 #else
 
 	#if lnx_bullet
-
 	typedef PhysicsWorld = leenkx.trait.physics.bullet.PhysicsWorld;
 	typedef Hit = leenkx.trait.physics.bullet.PhysicsWorld.Hit;
 	#else
-
 	typedef PhysicsWorld = leenkx.trait.physics.oimo.PhysicsWorld;
 	typedef Hit = leenkx.trait.physics.oimo.PhysicsWorld.Hit;
 	#end

leenkx/Sources/leenkx/trait/physics/bullet/PhysicsWorld.hx

@@ -7,6 +7,7 @@ import iron.system.Time;
 import iron.math.Vec4;
 import iron.math.Quat;
 import iron.math.RayCaster;
+import leenkx.trait.physics.PhysicsCache;
 
 class Hit {
 
@@ -145,6 +146,7 @@ class PhysicsWorld extends Trait {
 
 		iron.Scene.active.notifyOnRemove(function() {
 			sceneRemoved = true;
+			PhysicsCache.clearCache();
 		});
 	}
 
@@ -303,6 +305,8 @@ class PhysicsWorld extends Trait {
 		var t = Time.fixedStep * timeScale * Time.scale;
 		if (t == 0.0) return; // Simulation paused
 
+		PhysicsCache.clearContactsCache();
+
 		#if lnx_debug
 		var startTime = kha.Scheduler.realTime();
 		#end

leenkx/blender/lnx/logicnode/physics/LN_any_contact.py

@@ -0,0 +1,25 @@
+from lnx.logicnode.lnx_nodes import *
+
+class AnyContactNode(LnxLogicTreeNode):
+    """Activates the output when the rigid body of the connected object makes contact with
+    any other rigid body.
+    """
+    bl_idname = 'LNAnyContactNode'
+    bl_label = 'Any Contact'
+    lnx_section = 'contact'
+    lnx_version = 1
+
+    property0: HaxeEnumProperty(
+        'property0',
+        items = [('begin', 'Begin', 'Contact with any object begins'),
+                 ('overlap', 'Overlap', 'Contact with any object is happening'),
+                 ('end', 'End', 'Contact with any object ends')],
+        name='', default='begin')
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketObject', 'RB')
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')