merge upstream

leenkx/Sources/iron/App.hx

@@ -12,6 +12,7 @@ class App {
 	static var traitInits: Array<Void->Void> = [];
 	static var traitUpdates: Array<Void->Void> = [];
 	static var traitLateUpdates: Array<Void->Void> = [];
+	static var traitFixedUpdates: Array<Void->Void> = [];
 	static var traitRenders: Array<kha.graphics4.Graphics->Void> = [];
 	static var traitRenders2D: Array<kha.graphics2.Graphics->Void> = [];
 	public static var framebuffer: kha.Framebuffer;
@@ -23,6 +24,8 @@ class App {
 	public static var renderPathTime: Float;
 	public static var endFrameCallbacks: Array<Void->Void> = [];
 	#end
+	static var last = 0.0;
+	static var time = 0.0;
 	static var lastw = -1;
 	static var lasth = -1;
 	public static var onResize: Void->Void = null;
@@ -34,13 +37,14 @@ class App {
 	function new(done: Void->Void) {
 		done();
 		kha.System.notifyOnFrames(render);
-		kha.Scheduler.addTimeTask(update, 0, iron.system.Time.delta);
+		kha.Scheduler.addTimeTask(update, 0, iron.system.Time.step);
 	}
 
 	public static function reset() {
 		traitInits = [];
 		traitUpdates = [];
 		traitLateUpdates = [];
+		traitFixedUpdates = [];
 		traitRenders = [];
 		traitRenders2D = [];
 		if (onResets != null) for (f in onResets) f();
@@ -48,6 +52,8 @@ class App {
 
 	static function update() {
 		if (Scene.active == null || !Scene.active.ready) return;
+		
+		iron.system.Time.update();
 		if (pauseUpdates) return;
 
 		#if lnx_debug
@@ -56,6 +62,14 @@ class App {
 
 		Scene.active.updateFrame();
 
+
+		time += iron.system.Time.delta;
+
+		while (time >= iron.system.Time.fixedStep) {
+			for (f in traitFixedUpdates) f();
+			time -= iron.system.Time.fixedStep;
+		}
+
 		var i = 0;
 		var l = traitUpdates.length;
 		while (i < l) {
@@ -106,7 +120,7 @@ class App {
 		var frame = frames[0];
 		framebuffer = frame;
 
-		iron.system.Time.update();
+		iron.system.Time.render();
 
 		if (Scene.active == null || !Scene.active.ready) {
 			render2D(frame);
@@ -172,6 +186,14 @@ class App {
 		traitLateUpdates.remove(f);
 	}
 
+	public static function notifyOnFixedUpdate(f: Void->Void) {
+		traitFixedUpdates.push(f);
+	}
+
+	public static function removeFixedUpdate(f: Void->Void) {
+		traitFixedUpdates.remove(f);
+	}
+
 	public static function notifyOnRender(f: kha.graphics4.Graphics->Void) {
 		traitRenders.push(f);
 	}

leenkx/Sources/iron/Trait.hx

@@ -16,6 +16,7 @@ class Trait {
 	var _remove: Array<Void->Void> = null;
 	var _update: Array<Void->Void> = null;
 	var _lateUpdate: Array<Void->Void> = null;
+	var _fixedUpdate: Array<Void->Void> = null;
 	var _render: Array<kha.graphics4.Graphics->Void> = null;
 	var _render2D: Array<kha.graphics2.Graphics->Void> = null;
 
@@ -87,6 +88,23 @@ class Trait {
 		App.removeLateUpdate(f);
 	}
 
+    /**
+      Add fixed game logic handler.
+    **/
+	public function notifyOnFixedUpdate(f: Void->Void) {
+		if (_fixedUpdate == null) _fixedUpdate = [];
+		_fixedUpdate.push(f);
+		App.notifyOnFixedUpdate(f);
+	}
+
+    /**
+      Remove fixed game logic handler.
+    **/
+	public function removeFixedUpdate(f: Void->Void) {
+		_fixedUpdate.remove(f);
+		App.removeFixedUpdate(f);
+	}
+
     /**
       Add render handler.
     **/

leenkx/Sources/iron/data/SceneFormat.hx

@@ -392,6 +392,8 @@ typedef TParticleData = {
 #end
 	public var name: String;
 	public var type: Int; // 0 - Emitter, Hair
+	public var auto_start: Bool;
+	public var is_unique: Bool;
 	public var loop: Bool;
 	public var count: Int;
 	public var frame_start: FastFloat;

leenkx/Sources/iron/object/Animation.hx

@@ -159,9 +159,17 @@ class Animation {
 			if(markerEvents.get(sampler) != null){
 				for (i in 0...anim.marker_frames.length) {
 					if (frameIndex == anim.marker_frames[i]) {
-						var marketAct = markerEvents.get(sampler);
-						var ar = marketAct.get(anim.marker_names[i]);
+						var markerAct = markerEvents.get(sampler);
+						var ar = markerAct.get(anim.marker_names[i]);
 						if (ar != null) for (f in ar) f();
+					} else {
+						for (j in 0...(frameIndex - lastFrameIndex)) {
+							if (lastFrameIndex + j + 1 == anim.marker_frames[i]) {
+								var markerAct = markerEvents.get(sampler);
+								var ar = markerAct.get(anim.marker_names[i]);
+								if (ar != null) for (f in ar) f();
+							}
+						}
 					}
 				}
 				lastFrameIndex = frameIndex;

leenkx/Sources/iron/object/Object.hx

@@ -172,6 +172,10 @@ class Object {
 			for (f in t._init) App.removeInit(f);
 			t._init = null;
 		}
+		if (t._fixedUpdate != null) {
+			for (f in t._fixedUpdate) App.removeFixedUpdate(f);
+			t._fixedUpdate = null;
+		}
 		if (t._update != null) {
 			for (f in t._update) App.removeUpdate(f);
 			t._update = null;

leenkx/Sources/iron/object/ParticleSystem.hx

@@ -2,6 +2,7 @@ package iron.object;
 
 #if lnx_particles
 
+import kha.FastFloat;
 import kha.graphics4.Usage;
 import kha.arrays.Float32Array;
 import iron.data.Data;
@@ -16,39 +17,45 @@ import iron.math.Vec4;
 class ParticleSystem {
 	public var data: ParticleData;
 	public var speed = 1.0;
+	var currentSpeed = 0.0;
 	var particles: Array<Particle>;
 	var ready: Bool;
-	public var frameRate = 24;
-	public var lifetime = 0.0;
-	public var animtime = 0.0;
-	public var time = 0.0;
-	public var spawnRate = 0.0;
+	var frameRate = 24;
+	var lifetime = 0.0;
+	var looptime = 0.0;
+	var animtime = 0.0;
+	var time = 0.0;
+	var spawnRate = 0.0;
 	var seed = 0;
 
-	public var r: TParticleData;
-	public var gx: Float;
-	public var gy: Float;
-	public var gz: Float;
-	public var alignx: Float;
-	public var aligny: Float;
-	public var alignz: Float;
+	var r: TParticleData;
+	var gx: Float;
+	var gy: Float;
+	var gz: Float;
+	var alignx: Float;
+	var aligny: Float;
+	var alignz: Float;
 	var dimx: Float;
 	var dimy: Float;
 	var tilesx: Int;
 	var tilesy: Int;
 	var tilesFramerate: Int;
 
-	public var count = 0;
-	public var lap = 0;
-	public var lapTime = 0.0;
+	var count = 0;
+	var lap = 0;
+	var lapTime = 0.0;
 	var m = Mat4.identity();
 
 	var ownerLoc = new Vec4();
 	var ownerRot = new Quat();
 	var ownerScl = new Vec4();
+	
+	var random = 0.0;
 
 	public function new(sceneName: String, pref: TParticleReference) {
 		seed = pref.seed;
+		currentSpeed = speed;
+		speed = 0;
 		particles = [];
 		ready = false;
 		
@@ -65,33 +72,61 @@ class ParticleSystem {
 				gy = 0;
 				gz = -9.81 * r.weight_gravity;
 			}
-			alignx = r.object_align_factor[0] / 2;
-			aligny = r.object_align_factor[1] / 2;
-			alignz = r.object_align_factor[2] / 2;
+			alignx = r.object_align_factor[0];
+			aligny = r.object_align_factor[1];
+			alignz = r.object_align_factor[2];
+			looptime = (r.frame_end - r.frame_start) / frameRate;
 			lifetime = r.lifetime / frameRate;
-			animtime = (r.frame_end - r.frame_start) / frameRate;
+			animtime = r.loop ? looptime : looptime + lifetime;
 			spawnRate = ((r.frame_end - r.frame_start) / r.count) / frameRate;
 
 			for (i in 0...r.count) {
-				var particle = new Particle(i);
-				particle.sr = 1 - Math.random() * r.size_random;
-				particles.push(particle);
+				particles.push(new Particle(i));
 			}
 
 			ready = true;
+			if (r.auto_start){
+				start();
+			}
 		});
 	}
 
+	public function start() {
+		if (r.is_unique) random = Math.random();
+		lifetime = r.lifetime / frameRate;
+		time = 0;
+		lap = 0;
+		lapTime = 0;
+		speed = currentSpeed;
+	}
+
 	public function pause() {
-		lifetime = 0;
+		speed = 0;
 	}
 
 	public function resume() {
 		lifetime = r.lifetime / frameRate;
+		speed = currentSpeed;
 	}
 
+
+
+	// TODO: interrupt smoothly
+	public function stop() {
+		end();
+	}
+
+	function end() {
+		lifetime = 0;
+		speed = 0;
+		lap = 0;
+	}
+	
 	public function update(object: MeshObject, owner: MeshObject) {
 		if (!ready || object == null || speed == 0.0) return;
+		if (iron.App.pauseUpdates) return;
+		
+		var prevLap = lap;
 
 		// Copy owner world transform but discard scale
 		owner.transform.world.decompose(ownerLoc, ownerRot, ownerScl);
@@ -115,17 +150,21 @@ class ParticleSystem {
 		}
 
 		// Animate
-		time += Time.delta * speed;
+		time += Time.renderDelta * speed; // realDelta to renderDelta
 		lap = Std.int(time / animtime);
 		lapTime = time - lap * animtime;
 		count = Std.int(lapTime / spawnRate);
 
+		if (lap > prevLap && !r.loop) {
+			end();
+		}
+		
 		updateGpu(object, owner);
 	}
 
 	public function getData(): Mat4 {
 		var hair = r.type == 1;
-		m._00 = r.loop ? animtime : -animtime;
+		m._00 = animtime;
 		m._01 = hair ? 1 / particles.length : spawnRate;
 		m._02 = hair ? 1 : lifetime;
 		m._03 = particles.length;
@@ -133,9 +172,9 @@ class ParticleSystem {
 		m._11 = hair ? 0 : aligny;
 		m._12 = hair ? 0 : alignz;
 		m._13 = hair ? 0 : r.factor_random;
-		m._20 = hair ? 0 : gx * r.mass;
-		m._21 = hair ? 0 : gy * r.mass;
-		m._22 = hair ? 0 : gz * r.mass;
+		m._20 = hair ? 0 : gx;
+		m._21 = hair ? 0 : gy;
+		m._22 = hair ? 0 : gz;
 		m._23 = hair ? 0 : r.lifetime_random;
 		m._30 = tilesx;
 		m._31 = tilesy;
@@ -144,13 +183,25 @@ class ParticleSystem {
 		return m;
 	}
 
+	public function getSizeRandom(): FastFloat {
+		return r.size_random;
+	}
+
+	public function getRandom(): FastFloat {
+		return random;
+	}
+
+	public function getSize(): FastFloat {
+		return r.particle_size;
+	}
+
 	function updateGpu(object: MeshObject, owner: MeshObject) {
 		if (!object.data.geom.instanced) setupGeomGpu(object, owner);
 		// GPU particles transform is attached to owner object
 	}
 
-	public function setupGeomGpu(object: MeshObject, owner: MeshObject) {
-		var instancedData = new Float32Array(particles.length * 6);
+	function setupGeomGpu(object: MeshObject, owner: MeshObject) {
+		var instancedData = new Float32Array(particles.length * 3);
 		var i = 0;
 
 		var normFactor = 1 / 32767; // pa.values are not normalized
@@ -169,10 +220,6 @@ class ParticleSystem {
 					instancedData.set(i, pa.values[j * pa.size    ] * normFactor * scaleFactor.x); i++;
 					instancedData.set(i, pa.values[j * pa.size + 1] * normFactor * scaleFactor.y); i++;
 					instancedData.set(i, pa.values[j * pa.size + 2] * normFactor * scaleFactor.z); i++;
-
-					instancedData.set(i, p.sr); i++;
-					instancedData.set(i, p.sr); i++;
-					instancedData.set(i, p.sr); i++;
 				}
 
 			case 1: // Face
@@ -196,10 +243,6 @@ class ParticleSystem {
 					instancedData.set(i, pos.x * normFactor * scaleFactor.x); i++;
 					instancedData.set(i, pos.y * normFactor * scaleFactor.y); i++;
 					instancedData.set(i, pos.z * normFactor * scaleFactor.z); i++;
-
-					instancedData.set(i, p.sr); i++;
-					instancedData.set(i, p.sr); i++;
-					instancedData.set(i, p.sr); i++;
 				}
 
 			case 2: // Volume
@@ -210,13 +253,9 @@ class ParticleSystem {
 					instancedData.set(i, (Math.random() * 2.0 - 1.0) * scaleFactorVolume.x); i++;
 					instancedData.set(i, (Math.random() * 2.0 - 1.0) * scaleFactorVolume.y); i++;
 					instancedData.set(i, (Math.random() * 2.0 - 1.0) * scaleFactorVolume.z); i++;
-
-					instancedData.set(i, p.sr); i++;
-					instancedData.set(i, p.sr); i++;
-					instancedData.set(i, p.sr); i++;
 				}
 		}
-		object.data.geom.setupInstanced(instancedData, 3, Usage.StaticUsage);
+		object.data.geom.setupInstanced(instancedData, 1, Usage.StaticUsage);
 	}
 
 	function fhash(n: Int): Float {
@@ -255,10 +294,11 @@ class ParticleSystem {
 
 class Particle {
 	public var i: Int;
-	public var px = 0.0;
-	public var py = 0.0;
-	public var pz = 0.0;
-	public var sr = 1.0; // Size random
+	
+	public var x = 0.0;
+	public var y = 0.0;
+	public var z = 0.0;
+
 	public var cameraDistance: Float;
 
 	public function new(i: Int) {

leenkx/Sources/iron/object/Tilesheet.hx

@@ -80,7 +80,7 @@ class Tilesheet {
 	function update() {
 		if (!ready || paused || action.start >= action.end) return;
 
-		time += Time.realDelta;
+		time += Time.renderDelta;
 
 		var frameTime = 1 / raw.framerate;
 		var framesToAdvance = 0;

leenkx/Sources/iron/object/Uniforms.hx

@@ -1113,6 +1113,26 @@ class Uniforms {
 				case "_texUnpack": {
 					f = texUnpack != null ? texUnpack : 1.0;
 				}
+				#if lnx_particles
+				case "_particleSizeRandom": {
+					var mo = cast(object, MeshObject);
+					if (mo.particleOwner != null && mo.particleOwner.particleSystems != null) {
+						f = mo.particleOwner.particleSystems[mo.particleIndex].getSizeRandom();
+					}
+				}
+				case "_particleRandom": {
+					var mo = cast(object, MeshObject);
+					if (mo.particleOwner != null && mo.particleOwner.particleSystems != null) {
+						f = mo.particleOwner.particleSystems[mo.particleIndex].getRandom();
+					}
+				}
+				case "_particleSize": {
+					var mo = cast(object, MeshObject);
+					if (mo.particleOwner != null && mo.particleOwner.particleSystems != null) {
+						f = mo.particleOwner.particleSystems[mo.particleIndex].getSize();
+					}
+				}
+				#end
 			}
 
 			if (f == null && externalFloatLinks != null) {

leenkx/Sources/iron/system/Time.hx

@@ -1,37 +1,58 @@
 package iron.system;
 
 class Time {
-
+	public static var scale = 1.0;
+	
+	static var frequency: Null<Int> = null;
+	static function initFrequency() {
+		frequency = kha.Display.primary != null ? kha.Display.primary.frequency : 60;
+	}
+	
 	public static var step(get, never): Float;
 	static function get_step(): Float {
 		if (frequency == null) initFrequency();
 		return 1 / frequency;
 	}
-
-	public static var scale = 1.0;
-	public static var delta(get, never): Float;
-	static function get_delta(): Float {
-		if (frequency == null) initFrequency();
-		return (1 / frequency) * scale;
+	
+	static var _fixedStep: Null<Float>;
+	public static var fixedStep(get, never): Float;
+	static function get_fixedStep(): Float {
+		return _fixedStep;
+	}
+	
+	public static function initFixedStep(value: Float = 1 / 60) {
+		_fixedStep = value;
 	}
 
-	static var last = 0.0;
-	public static var realDelta = 0.0;
+	static var lastTime = 0.0;
+	static var _delta = 0.0;
+	public static var delta(get, never): Float;
+	static function get_delta(): Float {
+		return _delta;
+	}
+	
+	static var lastRenderTime = 0.0;
+	static var _renderDelta = 0.0;
+	public static var renderDelta(get, never): Float;
+	static function get_renderDelta(): Float {
+		return _renderDelta;
+	}
+		
 	public static inline function time(): Float {
 		return kha.Scheduler.time();
 	}
+	
 	public static inline function realTime(): Float {
 		return kha.Scheduler.realTime();
 	}
 
-	static var frequency: Null<Int> = null;
-
-	static function initFrequency() {
-		frequency = kha.Display.primary != null ? kha.Display.primary.frequency : 60;
+	public static function update() {
+		_delta = realTime() - lastTime;
+		lastTime = realTime();
 	}
 
-	public static function update() {
-		realDelta = realTime() - last;
-		last = realTime();
+	public static function render() {
+		_renderDelta = realTime() - lastRenderTime;
+		lastRenderTime = realTime();
 	}
 }