rewind barebones

src/MarbleWorld.hx

@@ -1,5 +1,6 @@
 package src;
 
+import rewind.RewindManager;
 import Macros.MarbleWorldMacros;
 import shapes.PushButton;
 #if js
@@ -179,6 +180,10 @@ class MarbleWorld extends Scheduler {
 	public var isWatching:Bool = false;
 	public var isRecording:Bool = false;
 
+	// Rewind
+	public var rewindManager:RewindManager;
+	public var rewinding:Bool = false;
+
 	// Loading
 	var resourceLoadFuncs:Array<(() -> Void)->Void> = [];
 
@@ -205,6 +210,7 @@ class MarbleWorld extends Scheduler {
 		this.game = mission.game.toLowerCase();
 		this.replay = new Replay(mission.path, mission.isClaMission ? mission.id : 0);
 		this.isRecording = record;
+		this.rewindManager = new RewindManager(this);
 	}
 
 	public function init() {
@@ -448,6 +454,8 @@ class MarbleWorld extends Scheduler {
 		} else
 			this.replay.rewind();
 
+		this.rewindManager.clear();
+
 		this.timeState.currentAttemptTime = 0;
 		this.timeState.gameplayClock = 0;
 		this.bonusTime = 0;
@@ -997,6 +1005,23 @@ class MarbleWorld extends Scheduler {
 			}
 		}
 
+		if (Key.isDown(Key.R)) {
+			this.rewinding = true;
+		} else {
+			this.rewinding = false;
+		}
+
+		if (this.rewinding) {
+			var rframe = rewindManager.getNextRewindFrame(timeState.currentAttemptTime - dt);
+			if (rframe != null) {
+				var actualDt = timeState.currentAttemptTime - rframe.timeState.currentAttemptTime - dt;
+				dt = actualDt;
+				rewindManager.applyFrame(rframe);
+			}
+		}
+		if (dt < 0)
+			return;
+
 		ProfilerUI.measure("updateTimer");
 		this.updateTimer(dt);
 
@@ -1080,6 +1105,9 @@ class MarbleWorld extends Scheduler {
 			}
 		}
 
+		if (!this.rewinding)
+			this.rewindManager.recordFrame();
+
 		this.updateTexts();
 	}
 

src/rewind/RewindFrame.hx

@@ -0,0 +1,83 @@
+package rewind;
+
+import src.PathedInterior.PIState;
+import shapes.PowerUp;
+import h3d.Vector;
+import h3d.Quat;
+import src.TimeState;
+
+@:publicFields
+class RewindFrame {
+	var timeState:TimeState;
+	var marblePosition:Vector;
+	var marbleOrientation:Quat;
+	var marbleVelocity:Vector;
+	var marbleAngularVelocity:Vector;
+	var marblePowerup:PowerUp;
+	var bonusTime:Float;
+	var mpStates:Array<{
+		curState:PIState,
+		prevState:PIState,
+		stopped:Bool,
+		stopTime:Float
+	}>;
+	var gemCount:Int;
+	var gemStates:Array<Bool>;
+	var powerupStates:Array<Float>;
+	var landMineStates:Array<Float>;
+	var activePowerupStates:Array<Float>;
+	var currentUp:Vector;
+	var trapdoorStates:Array<{lastContactTime:Float, lastDirection:Int, lastCompletion:Float}>;
+	var lastContactNormal:Vector;
+
+	public function new() {}
+
+	public function clone() {
+		var c = new RewindFrame();
+		c.timeState = timeState.clone();
+		c.marblePosition = marblePosition.clone();
+		c.marbleOrientation = marbleOrientation.clone();
+		c.marbleVelocity = marbleVelocity.clone();
+		c.marbleAngularVelocity = marbleAngularVelocity.clone();
+		c.marblePowerup = marblePowerup;
+		c.bonusTime = bonusTime;
+		c.gemCount = gemCount;
+		c.gemStates = gemStates.copy();
+		c.powerupStates = powerupStates.copy();
+		c.landMineStates = landMineStates.copy();
+		c.activePowerupStates = activePowerupStates.copy();
+		c.currentUp = currentUp.clone();
+		c.lastContactNormal = lastContactNormal.clone();
+		c.mpStates = [];
+		for (s in mpStates) {
+			c.mpStates.push({
+				curState: {
+					currentTime: s.curState.currentTime,
+					targetTime: s.curState.targetTime,
+					velocity: s.curState.velocity.clone(),
+					currentPosition: s.curState.currentPosition.clone(),
+					prevPosition: s.curState.prevPosition.clone(),
+					changeTime: s.curState.changeTime,
+				},
+				stopTime: s.stopTime,
+				stopped: s.stopped,
+				prevState: s.prevState != null ? {
+					currentTime: s.prevState.currentTime,
+					targetTime: s.prevState.targetTime,
+					velocity: s.prevState.velocity.clone(),
+					currentPosition: s.prevState.currentPosition.clone(),
+					prevPosition: s.prevState.prevPosition.clone(),
+					changeTime: s.prevState.changeTime,
+				} : null,
+			});
+		}
+		c.trapdoorStates = [];
+		for (s in trapdoorStates) {
+			c.trapdoorStates.push({
+				lastContactTime: s.lastContactTime,
+				lastDirection: s.lastDirection,
+				lastCompletion: s.lastCompletion,
+			});
+		}
+	}
+}

src/rewind/RewindManager.hx

@@ -0,0 +1,193 @@
+package rewind;
+
+import shapes.PowerUp;
+import shapes.LandMine;
+import src.MarbleWorld;
+import shapes.Trapdoor;
+import src.Util;
+
+class RewindManager {
+	var frames:Array<RewindFrame> = [];
+	var level:MarbleWorld;
+
+	public function new(level:MarbleWorld) {
+		this.level = level;
+	}
+
+	public function recordFrame() {
+		var rf = new RewindFrame();
+		rf.timeState = level.timeState.clone();
+		rf.marblePosition = level.marble.getAbsPos().getPosition().clone();
+		rf.marbleOrientation = level.marble.getRotationQuat().clone();
+		rf.marbleVelocity = level.marble.velocity.clone();
+		rf.marbleAngularVelocity = level.marble.omega.clone();
+		rf.marblePowerup = level.marble.heldPowerup;
+		rf.bonusTime = level.bonusTime;
+		rf.gemCount = level.gemCount;
+		rf.gemStates = level.gems.map(x -> x.pickedUp);
+		rf.activePowerupStates = [@:privateAccess
+			level.marble.superBounceEnableTime, @:privateAccess
+			level.marble.shockAbsorberEnableTime, @:privateAccess
+			level.marble.helicopterEnableTime, @:privateAccess
+			level.marble.megaMarbleEnableTime
+		];
+		rf.currentUp = level.currentUp.clone();
+		rf.lastContactNormal = level.marble.lastContactNormal.clone();
+		rf.mpStates = level.pathedInteriors.map(x -> {
+			return {
+				curState: {
+					currentTime: x.currentTime,
+					targetTime: x.targetTime,
+					velocity: x.velocity.clone(),
+					currentPosition: x.currentPosition.clone(),
+					prevPosition: x.prevPosition.clone(),
+					changeTime: x.changeTime,
+				},
+				stopTime: @:privateAccess x.stopTime,
+				stopped: @:privateAccess x.stopped,
+				prevState: @:privateAccess x.previousState != null ? {
+					currentTime: @:privateAccess x.previousState.currentTime,
+					targetTime: @:privateAccess x.previousState.targetTime,
+					velocity: @:privateAccess x.previousState.velocity.clone(),
+					currentPosition: @:privateAccess x.previousState.currentPosition.clone(),
+					prevPosition: @:privateAccess x.previousState.prevPosition.clone(),
+					changeTime: @:privateAccess x.previousState.changeTime,
+				} : null,
+			}
+		});
+		rf.powerupStates = [];
+		rf.landMineStates = [];
+		rf.trapdoorStates = [];
+		for (dts in level.dtsObjects) {
+			if (dts is PowerUp) {
+				var pow:PowerUp = cast dts;
+				rf.powerupStates.push(pow.lastPickUpTime);
+			}
+			if (dts is LandMine) {
+				var lm:LandMine = cast dts;
+				rf.landMineStates.push(lm.disappearTime);
+			}
+			if (dts is Trapdoor) {
+				var td:Trapdoor = cast dts;
+				rf.trapdoorStates.push({
+					lastCompletion: td.lastCompletion,
+					lastDirection: td.lastDirection,
+					lastContactTime: td.lastContactTime
+				});
+			}
+		}
+		frames.push(rf);
+	}
+
+	public function applyFrame(rf:RewindFrame) {
+		level.timeState = rf.timeState.clone();
+		level.marble.setPosition(rf.marblePosition.x, rf.marblePosition.y, rf.marblePosition.z);
+		level.marble.setRotationQuat(rf.marbleOrientation.clone());
+		level.marble.velocity.set(rf.marbleVelocity.x, rf.marbleVelocity.y, rf.marbleVelocity.z);
+		level.marble.omega.set(rf.marbleAngularVelocity.x, rf.marbleAngularVelocity.y, rf.marbleAngularVelocity.z);
+
+		if (level.marble.heldPowerup == null) {
+			if (rf.marblePowerup != null) {
+				level.pickUpPowerUp(rf.marblePowerup);
+			}
+		} else {
+			if (rf.marblePowerup == null) {
+				level.deselectPowerUp();
+			} else {
+				level.pickUpPowerUp(rf.marblePowerup);
+			}
+		}
+
+		level.bonusTime = rf.bonusTime;
+		level.gemCount = rf.gemCount;
+		@:privateAccess level.playGui.formatGemCounter(level.gemCount, level.totalGems);
+		for (i in 0...rf.gemStates.length) {
+			level.gems[i].setHide(rf.gemStates[i]);
+		}
+		@:privateAccess level.marble.superBounceEnableTime = rf.activePowerupStates[0];
+		@:privateAccess level.marble.shockAbsorberEnableTime = rf.activePowerupStates[1];
+		@:privateAccess level.marble.helicopterEnableTime = rf.activePowerupStates[2];
+		@:privateAccess level.marble.megaMarbleEnableTime = rf.activePowerupStates[3];
+
+		if (level.currentUp.x != rf.currentUp.x || level.currentUp.y != rf.currentUp.y || level.currentUp.z != rf.currentUp.z) {
+			level.setUp(rf.currentUp, level.timeState);
+			// Hacky things
+			@:privateAccess level.orientationChangeTime = level.timeState.currentAttemptTime - 300;
+			var oldorient = level.newOrientationQuat;
+			level.newOrientationQuat = @:privateAccess level.oldOrientationQuat;
+			@:privateAccess level.oldOrientationQuat = oldorient;
+		}
+
+		var gravitycompletion = Util.clamp((level.timeState.currentAttemptTime - @:privateAccess level.orientationChangeTime) / 300, 0, 1);
+		if (gravitycompletion == 0) {
+			level.newOrientationQuat = @:privateAccess level.oldOrientationQuat;
+			@:privateAccess level.orientationChangeTime = -1e8;
+		}
+
+		level.currentUp.set(rf.currentUp.x, rf.currentUp.y, rf.currentUp.z);
+		level.marble.lastContactNormal.set(rf.lastContactNormal.x, rf.lastContactNormal.y, rf.lastContactNormal.z);
+		for (i in 0...rf.mpStates.length) {
+			level.pathedInteriors[i].currentTime = rf.mpStates[i].curState.currentTime;
+			level.pathedInteriors[i].targetTime = rf.mpStates[i].curState.targetTime;
+			level.pathedInteriors[i].velocity.set(rf.mpStates[i].curState.velocity.x, rf.mpStates[i].curState.velocity.y, rf.mpStates[i].curState.velocity.z);
+			level.pathedInteriors[i].currentPosition.set(rf.mpStates[i].curState.currentPosition.x, rf.mpStates[i].curState.currentPosition.y,
+				rf.mpStates[i].curState.currentPosition.z);
+			level.pathedInteriors[i].prevPosition.set(rf.mpStates[i].curState.prevPosition.x, rf.mpStates[i].curState.prevPosition.y,
+				rf.mpStates[i].curState.prevPosition.z);
+			level.pathedInteriors[i].changeTime = rf.mpStates[i].curState.changeTime;
+			@:privateAccess level.pathedInteriors[i].stopTime = rf.mpStates[i].stopTime;
+			@:privateAccess level.pathedInteriors[i].stopped = rf.mpStates[i].stopped;
+			if (rf.mpStates[i].prevState != null) {
+				@:privateAccess level.pathedInteriors[i].previousState.currentTime = rf.mpStates[i].prevState.currentTime;
+				@:privateAccess level.pathedInteriors[i].previousState.targetTime = rf.mpStates[i].prevState.targetTime;
+				@:privateAccess level.pathedInteriors[i].previousState.velocity.set(rf.mpStates[i].prevState.velocity.x, rf.mpStates[i].prevState.velocity.y,
+					rf.mpStates[i].prevState.velocity.z);
+				@:privateAccess level.pathedInteriors[i].previousState.currentPosition.set(rf.mpStates[i].prevState.currentPosition.x,
+					rf.mpStates[i].prevState.currentPosition.y, rf.mpStates[i].prevState.currentPosition.z);
+				@:privateAccess level.pathedInteriors[i].previousState.prevPosition.set(rf.mpStates[i].prevState.prevPosition.x,
+					rf.mpStates[i].prevState.prevPosition.y, rf.mpStates[i].prevState.prevPosition.z);
+				@:privateAccess level.pathedInteriors[i].previousState.changeTime = rf.mpStates[i].prevState.changeTime;
+			} else {
+				@:privateAccess level.pathedInteriors[i].previousState = null;
+			}
+		}
+		var pstates = rf.powerupStates.copy();
+		var lmstates = rf.landMineStates.copy();
+		var tstates = rf.trapdoorStates.copy();
+		for (dts in level.dtsObjects) {
+			if (dts is PowerUp) {
+				var pow:PowerUp = cast dts;
+				pow.lastPickUpTime = pstates.shift();
+			}
+			if (dts is LandMine) {
+				var lm:LandMine = cast dts;
+				lm.disappearTime = lmstates.shift();
+			}
+			if (dts is Trapdoor) {
+				var td:Trapdoor = cast dts;
+				var tdState = tstates.shift();
+				td.lastCompletion = tdState.lastCompletion;
+				td.lastDirection = tdState.lastDirection;
+				td.lastContactTime = tdState.lastContactTime;
+			}
+		}
+	}
+
+	public function getNextRewindFrame(absTime:Float):RewindFrame {
+		if (frames.length == 0)
+			return null;
+
+		var topFrame = frames[frames.length - 1];
+		while (topFrame.timeState.currentAttemptTime > absTime) {
+			frames.pop();
+			if (frames.length == 0)
+				return null;
+			topFrame = frames[frames.length - 1];
+		}
+		return topFrame;
+	}
+
+	public function clear() {
+		frames = [];
+	}
+}

src/shapes/AntiGravity.hx

@@ -27,9 +27,11 @@ class AntiGravity extends PowerUp {
 	}
 
 	public function use(timeState:TimeState) {
-		var direction = new Vector(0, 0, -1);
-		direction.transform(this.getRotationQuat().toMatrix());
-		this.level.setUp(direction, timeState);
+		if (!this.level.rewinding) {
+			var direction = new Vector(0, 0, -1);
+			direction.transform(this.getRotationQuat().toMatrix());
+			this.level.setUp(direction, timeState);
+		}
 		// marble.body.addLinearVelocity(this.level.currentUp.scale(20)); // Simply add to vertical velocity
 		// if (!this.level.rewinding)
 		//	AudioManager.play(this.sounds[1]);

src/shapes/Gem.hx

@@ -53,7 +53,7 @@ class Gem extends DtsObject {
 
 	override function onMarbleInside(timeState:TimeState) {
 		super.onMarbleInside(timeState);
-		if (this.pickedUp)
+		if (this.pickedUp || this.level.rewinding)
 			return;
 		this.pickedUp = true;
 		this.setOpacity(0); // Hide the gem

src/shapes/LandMine.hx

@@ -122,13 +122,13 @@ class LandMine extends DtsObject {
 	}
 
 	override function onMarbleContact(timeState:TimeState, ?contact:CollisionInfo) {
-		if (this.isCollideable) {
+		if (this.isCollideable && !this.level.rewinding) {
 			// marble.velocity = marble.velocity.add(vec);
 			this.disappearTime = timeState.timeSinceLoad;
 			this.setCollisionEnabled(false);
 
-			// if (!this.level.rewinding)
-			AudioManager.playSound(ResourceLoader.getResource("data/sound/explode1.wav", ResourceLoader.getAudio, this.soundResources));
+			if (!this.level.rewinding)
+				AudioManager.playSound(ResourceLoader.getResource("data/sound/explode1.wav", ResourceLoader.getAudio, this.soundResources));
 			this.level.particleManager.createEmitter(landMineParticle, landMineParticleData, this.getAbsPos().getPosition());
 			this.level.particleManager.createEmitter(landMineSmokeParticle, landMineSmokeParticleData, this.getAbsPos().getPosition());
 			this.level.particleManager.createEmitter(landMineSparksParticle, landMineSparkParticleData, this.getAbsPos().getPosition());

src/shapes/Nuke.hx

@@ -122,7 +122,7 @@ class Nuke extends DtsObject {
 	}
 
 	override function onMarbleContact(timeState:TimeState, ?contact:CollisionInfo) {
-		if (this.isCollideable) {
+		if (this.isCollideable && !this.level.rewinding) {
 			// marble.velocity = marble.velocity.add(vec);
 			this.disappearTime = timeState.timeSinceLoad;
 			this.setCollisionEnabled(false);

src/shapes/PowerUp.hx

@@ -45,7 +45,7 @@ abstract class PowerUp extends DtsObject {
 			if (this.element.showhelponpickup == "1" && !this.autoUse)
 				this.level.displayHelp('Press <func:bind mousefire> to use the ${this.pickUpName}!');
 
-			if (pickupSound != null) {
+			if (pickupSound != null && !this.level.rewinding) {
 				AudioManager.playSound(pickupSound);
 			}
 		}

src/shapes/TimeTravel.hx

@@ -43,6 +43,7 @@ class TimeTravel extends PowerUp {
 	}
 
 	public function use(time:TimeState) {
-		level.addBonusTime(this.timeBonus);
+		if (!this.level.rewinding)
+			level.addBonusTime(this.timeBonus);
 	}
 }