marble select

src/DtsObject.hx

@@ -1,5 +1,6 @@
 package src;
 
+import dts.TSDrawPrimitive;
 import hxd.res.Sound;
 import h3d.col.Bounds;
 import src.TimeState;
@@ -563,38 +564,87 @@ class DtsObject extends GameObject {
 			indices: []
 		});
 
-		for (primitive in dtsMesh.primitives) {
+		var ab = new Vector();
-			var k = 0;
+		var ac = new Vector();
-			var geometrydata = materialGeometry[primitive.matIndex];
+		function addTriangleFromIndices(i1:Int, i2:Int, i3:Int, materialIndex:Int) {
-
+			ab.set(vertices[i2].x - vertices[i1].x, vertices[i2].y - vertices[i1].y, vertices[i2].z - vertices[i1].z);
-			for (i in primitive.firstElement...(primitive.firstElement + primitive.numElements - 2)) {
+			ac.set(vertices[i3].x - vertices[i1].x, vertices[i3].y - vertices[i1].y, vertices[i3].z - vertices[i1].z);
-				var i1 = dtsMesh.indices[i];
+			var normal = ab.cross(ac);
-				var i2 = dtsMesh.indices[i + 1];
+			normal.normalize();
-				var i3 = dtsMesh.indices[i + 2];
+			var dot1 = normal.dot(vertexNormals[i1]);
-
+			var dot2 = normal.dot(vertexNormals[i2]);
-				if (k % 2 == 0) {
+			var dot3 = normal.dot(vertexNormals[i3]);
-					// Swap the first and last index to mainting correct winding order
+			if (!StringTools.contains(this.dtsPath, 'helicopter.dts') && !StringTools.contains(this.dtsPath, 'tornado.dts'))
+				if (dot1 < 0 && dot2 < 0 && dot3 < 0) {
 					var temp = i1;
 					i1 = i3;
 					i3 = temp;
 				}
+			// ^ temp hardcoded fix
 
-				for (index in [i3, i2, i1]) {
+			var geometrydata = materialGeometry[materialIndex];
-					var vertex = vertices[index];
-					geometrydata.vertices.push(new Vector(vertex.x, vertex.y, vertex.z));
 
-					var uv = dtsMesh.uv[index];
+			for (index in [i3, i2, i1]) {
-					geometrydata.uvs.push(new UV(uv.x, uv.y));
+				var vertex = vertices[index];
+				geometrydata.vertices.push(new Vector(vertex.x, vertex.y, vertex.z));
 
-					var normal = vertexNormals[index];
+				var uv = dtsMesh.uv[index];
-					geometrydata.normals.push(new Vector(normal.x, normal.y, normal.z));
+				geometrydata.uvs.push(new UV(uv.x, uv.y));
+
+				var normal = vertexNormals[index];
+				geometrydata.normals.push(new Vector(normal.x, normal.y, normal.z));
+			}
+
+			geometrydata.indices.push(i1);
+			geometrydata.indices.push(i2);
+			geometrydata.indices.push(i3);
+		}
+
+		for (primitive in dtsMesh.primitives) {
+			var materialIndex = primitive.matIndex & TSDrawPrimitive.MaterialMask;
+			var drawType = primitive.matIndex & TSDrawPrimitive.TypeMask;
+			var geometrydata = materialGeometry[materialIndex];
+
+			if (drawType == TSDrawPrimitive.Triangles) {
+				var i = primitive.firstElement;
+				while (i < primitive.firstElement + primitive.numElements) {
+					var i1 = dtsMesh.indices[i];
+					var i2 = dtsMesh.indices[i + 1];
+					var i3 = dtsMesh.indices[i + 2];
+
+					addTriangleFromIndices(i1, i2, i3, materialIndex);
+
+					i += 3;
 				}
+			} else if (drawType == TSDrawPrimitive.Strip) {
+				var k = 0;
+				for (i in primitive.firstElement...(primitive.firstElement + primitive.numElements - 2)) {
+					var i1 = dtsMesh.indices[i];
+					var i2 = dtsMesh.indices[i + 1];
+					var i3 = dtsMesh.indices[i + 2];
 
-				geometrydata.indices.push(i1);
+					if (k % 2 == 0) {
-				geometrydata.indices.push(i2);
+						// Swap the first and last index to mainting correct winding order
-				geometrydata.indices.push(i3);
+						var temp = i1;
+						i1 = i3;
+						i3 = temp;
+					}
 
-				k++;
+					addTriangleFromIndices(i1, i2, i3, materialIndex);
+
+					k++;
+				}
+			} else if (drawType == TSDrawPrimitive.Fan) {
+				var i = primitive.firstElement;
+				while (i < primitive.firstElement + primitive.numElements - 2) {
+					var i1 = dtsMesh.indices[primitive.firstElement];
+					var i2 = dtsMesh.indices[i + 1];
+					var i3 = dtsMesh.indices[i + 2];
+
+					addTriangleFromIndices(i1, i2, i3, materialIndex);
+
+					i++;
+				}
 			}
 		}
 
@@ -918,18 +968,20 @@ class DtsObject extends GameObject {
 		if (!this.useInstancing) {
 			for (material in this.materials) {
 				if (this.currentOpacity != 1) {
-					// material.blendMode = BlendMode.Alpha;
+					material.blendMode = BlendMode.Alpha;
-					// 	if (this.alphaShader == null) {
+					if (this.alphaShader == null) {
-					// 		this.alphaShader = new AlphaMult();
+						this.alphaShader = new AlphaMult();
-					// 	}
+					}
-					// 	if (material.mainPass.getShader(AlphaMult) == null) {
+					if (material.mainPass.getShader(AlphaMult) == null) {
-					// 		material.mainPass.addShader(this.alphaShader);
+						material.mainPass.addShader(this.alphaShader);
-					// 	}
+					}
-					// 	this.alphaShader.alpha = this.currentOpacity;
+					this.alphaShader.alpha = this.currentOpacity;
-					// } else {
+				} else {
-					// 	if (alphaShader != null) {
+					if (alphaShader != null) {
-					// 		alphaShader.alpha = this.currentOpacity;
+						material.blendMode = BlendMode.None;
-					// 	}
+						alphaShader.alpha = this.currentOpacity;
+						material.mainPass.removeShader(alphaShader);
+					}
 				}
 			}
 		}

src/Marble.hx

@@ -1,5 +1,6 @@
 package src;
 
+import h3d.mat.MaterialDatabase;
 import shaders.MarbleReflection;
 import shaders.CubemapRenderer;
 import h3d.shader.AlphaMult;
@@ -206,8 +207,6 @@ class Marble extends GameObject {
 		this.omega = new Vector();
 		this.camera = new CameraController(cast this);
 
-		this.collider = new SphereCollisionEntity(cast this);
-
 		this.bounceEmitterData = new ParticleData();
 		this.bounceEmitterData.identifier = "MarbleBounceParticle";
 		this.bounceEmitterData.texture = ResourceLoader.getResource("data/particles/star.png", ResourceLoader.getTexture, this.textureResources);
@@ -236,23 +235,50 @@ class Marble extends GameObject {
 	public function init(level:MarbleWorld, onFinish:Void->Void) {
 		this.level = level;
 
-		var geom = Sphere.defaultUnitSphere();
+		var marbleDts = new DtsObject();
-		geom.addUVs();
+		marbleDts.dtsPath = Settings.optionsSettings.marbleModel;
-		var marbleTexture = ResourceLoader.getFileEntry("data/shapes/balls/base.marble.png").toTexture();
+		marbleDts.matNameOverride.set("base.marble", Settings.optionsSettings.marbleSkin + ".marble");
-		var marbleMaterial = Material.create(marbleTexture);
+		marbleDts.showSequences = false;
-		marbleMaterial.shadows = false;
+		marbleDts.useInstancing = false;
-		marbleMaterial.castShadows = true;
+		marbleDts.init(null, () -> {}); // SYNC
+		for (mat in marbleDts.materials) {
+			mat.castShadows = true;
+			mat.shadows = true;
+			mat.receiveShadows = false;
+			// mat.mainPass.culling = None;
+
+			if (Settings.optionsSettings.reflectiveMarble) {
+				this.cubemapRenderer = new CubemapRenderer(level.scene);
+				mat.mainPass.addShader(new MarbleReflection(this.cubemapRenderer.cubemap));
+			}
+		}
+
+		// Calculate radius according to marble model (egh)
+		var b = marbleDts.getBounds();
+		var avgRadius = (b.xSize + b.ySize + b.zSize) / 6;
+		this._radius = avgRadius;
+
+		this.collider = new SphereCollisionEntity(cast this);
+
+		this.addChild(marbleDts);
+
+		// var geom = Sphere.defaultUnitSphere();
+		// geom.addUVs();
+		// var marbleTexture = ResourceLoader.getFileEntry("data/shapes/balls/base.marble.png").toTexture();
+		// var marbleMaterial = Material.create(marbleTexture);
+		// marbleMaterial.shadows = false;
+		// marbleMaterial.castShadows = true;
 		// marbleMaterial.mainPass.removeShader(marbleMaterial.textureShader);
 		// var dtsShader = new DtsTexture();
 		// dtsShader.texture = marbleTexture;
 		// dtsShader.currentOpacity = 1;
 		// marbleMaterial.mainPass.addShader(dtsShader);
-		var obj = new Mesh(geom, marbleMaterial, this);
+		// var obj = new Mesh(geom, marbleMaterial, this);
-		obj.scale(_radius);
+		// obj.scale(_radius * 0.1);
-		if (Settings.optionsSettings.reflectiveMarble) {
+		// if (Settings.optionsSettings.reflectiveMarble) {
-			this.cubemapRenderer = new CubemapRenderer(level.scene);
+		// 	this.cubemapRenderer = new CubemapRenderer(level.scene);
-			marbleMaterial.mainPass.addShader(new MarbleReflection(this.cubemapRenderer.cubemap));
+		// 	marbleMaterial.mainPass.addShader(new MarbleReflection(this.cubemapRenderer.cubemap));
-		}
+		// }
 
 		this.forcefield = new DtsObject();
 		this.forcefield.dtsPath = "data/shapes/images/glow_bounce.dts";
@@ -1486,20 +1512,13 @@ class Marble extends GameObject {
 			teleportFadeCompletion = Util.clamp(1 - (time.currentAttemptTime - this.teleportDisableTime) / 0.5, 0, 1);
 
 		if (teleportFadeCompletion > 0) {
-			var mesh:Mesh = cast this.children[0];
+			var ourDts:DtsObject = cast this.children[0];
-			var shad:AlphaMult = mesh.material.mainPass.getShader(AlphaMult);
+			ourDts.setOpacity(Util.lerp(1, 0.25, teleportFadeCompletion));
-			if (shad == null) {
+			this.teleporting = true;
-				shad = new AlphaMult();
-				mesh.material.mainPass.addShader(shad);
-				mesh.material.blendMode = Alpha;
-				this.teleporting = true;
-			}
-			shad.alpha = Util.lerp(1, 0.25, teleportFadeCompletion);
 		} else {
 			if (this.teleporting) {
-				var mesh:Mesh = cast this.children[0];
+				var ourDts:DtsObject = cast this.children[0];
-				mesh.material.mainPass.removeShader(mesh.material.mainPass.getShader(AlphaMult));
+				ourDts.setOpacity(1);
-				mesh.material.blendMode = None;
 				this.teleporting = false;
 			}
 		}

src/Settings.hx

@@ -34,6 +34,9 @@ typedef OptionsSettings = {
 	var frameRateVis:Bool;
 	var oobInsults:Bool;
 	var reflectiveMarble:Bool;
+	var marbleIndex:Int;
+	var marbleSkin:String;
+	var marbleModel:String;
 }
 
 typedef ControlsSettings = {
@@ -88,6 +91,9 @@ class Settings {
 		frameRateVis: true,
 		oobInsults: true,
 		reflectiveMarble: true,
+		marbleIndex: 0,
+		marbleSkin: "base",
+		marbleModel: "data/shapes/balls/ball-superball.dts",
 		vsync: #if js true #end
 		#if hl
 		false
@@ -175,7 +181,10 @@ class Settings {
 			controls: controlsSettings,
 			touch: touchSettings,
 			stats: playStatistics,
-			highscoreName: highscoreName
+			highscoreName: highscoreName,
+			marbleIndex: optionsSettings.marbleIndex,
+			marbleSkin: optionsSettings.marbleSkin,
+			marbleModel: optionsSettings.marbleModel,
 		};
 		var scoreCount = 0;
 		var eggCount = 0;

src/dts/Primitive.hx

@@ -14,7 +14,7 @@ class Primitive {
 		var p = new Primitive();
 		p.firstElement = reader.readU16();
 		p.numElements = reader.readU16();
-		p.matIndex = (reader.readU32() & 0x00ffffff);
+		p.matIndex = reader.readU32();
 		return p;
 	}
 }

src/dts/TSDrawPrimitive.hx

@@ -0,0 +1,12 @@
+package dts;
+
+@:publicFields
+class TSDrawPrimitive {
+	static var Triangles = 0 << 30;
+	static var Strip = 1 << 30;
+	static var Fan = 2 << 30;
+	static var Indexed = 1 << 29;
+	static var NoMaterial = 1 << 28;
+	static var MaterialMask = ~(1 << 30 | 2 << 30 | 0 << 30 | 1 << 29 | 1 << 28);
+	static var TypeMask = (1 << 30 | 2 << 30 | 0 << 30);
+}

src/gui/GuiObjectShow.hx

@@ -71,6 +71,19 @@ class GuiObjectShow extends GuiControl {
 		}
 	}
 
+	public function changeObject(dts:DtsObject) {
+		if (_initialized) {
+			sceneObject.remove();
+			sceneObject.dispose();
+			sceneObject = dts;
+
+			scene.addChild(sceneObject);
+			var objCenter = sceneObject.getBounds().getCenter();
+			scene.camera.pos = new Vector(0, renderDistance * Math.cos(renderPitch), objCenter.z + renderDistance * Math.sin(renderPitch));
+			scene.camera.target = new Vector(objCenter.x, objCenter.y, objCenter.z);
+		}
+	}
+
 	public override function renderEngine(engine:h3d.Engine) {
 		if (_initialized) {
 			engine.pushTarget(this.sceneTarget);

src/gui/MarbleSelectGui.hx

@@ -0,0 +1,202 @@
+package gui;
+
+import h2d.filter.DropShadow;
+import hxd.res.BitmapFont;
+import h3d.prim.Polygon;
+import h3d.scene.Mesh;
+import h3d.shader.AlphaChannel;
+import src.MarbleGame;
+import h3d.Vector;
+import src.ResourceLoader;
+import src.DtsObject;
+import src.Settings;
+
+class MarbleSelectGui extends GuiImage {
+	public function new() {
+		var img = ResourceLoader.getImage("data/ui/marbleSelect/marbleSelect.png");
+		super(img.resource.toTile());
+		this.horizSizing = Center;
+		this.vertSizing = Center;
+		this.position = new Vector(73, -59);
+		this.extent = new Vector(493, 361);
+
+		var marbleData = [
+			{name: "Staff's Original", dts: "data/shapes/balls/ball-superball.dts", skin: "base"},
+			{name: "3D Marble", dts: "data/shapes/balls/3dMarble.dts", skin: "base"},
+			{name: "Mid P", dts: "data/shapes/balls/midp.dts", skin: "base"},
+			{name: "Spade", dts: "data/shapes/balls/ball-superball.dts", skin: "skin4"},
+			{name: "GMD Logo", dts: "data/shapes/balls/ball-superball.dts", skin: "skin5"},
+			{name: "Textured Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin6"},
+			{name: "Golden Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin7"},
+			{name: "Rainbow Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin8"},
+			{name: "Brown Swirls", dts: "data/shapes/balls/ball-superball.dts", skin: "skin9"},
+			{name: "Caution Stripes", dts: "data/shapes/balls/ball-superball.dts", skin: "skin10"},
+			{name: "Earth", dts: "data/shapes/balls/ball-superball.dts", skin: "skin11"},
+			{name: "Golf Ball", dts: "data/shapes/balls/ball-superball.dts", skin: "skin12"},
+			{name: "Jupiter", dts: "data/shapes/balls/ball-superball.dts", skin: "skin13"},
+			{name: "MB Gold Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin14"},
+			{name: "MBP on the Marble!", dts: "data/shapes/balls/ball-superball.dts", skin: "skin15"},
+			{name: "Moshe", dts: "data/shapes/balls/ball-superball.dts", skin: "skin16"},
+			{name: "Strong Bad", dts: "data/shapes/balls/ball-superball.dts", skin: "skin17"},
+			{name: "Venus", dts: "data/shapes/balls/ball-superball.dts", skin: "skin18"},
+			{name: "Water", dts: "data/shapes/balls/ball-superball.dts", skin: "skin19"},
+			{name: "Evil Eye", dts: "data/shapes/balls/ball-superball.dts", skin: "skin20"},
+			{name: "Desert and Sky", dts: "data/shapes/balls/ball-superball.dts", skin: "skin21"},
+			{name: "Dirt Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin22"},
+			{name: "Friction Textured Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin23"},
+			{name: "Grass", dts: "data/shapes/balls/ball-superball.dts", skin: "skin24"},
+			{name: "Mars", dts: "data/shapes/balls/ball-superball.dts", skin: "skin25"},
+			{name: "Phil's Golf Ball", dts: "data/shapes/balls/ball-superball.dts", skin: "skin26"},
+			{name: "Molten", dts: "data/shapes/balls/ball-superball.dts", skin: "skin27"},
+			{name: "Lightning", dts: "data/shapes/balls/ball-superball.dts", skin: "skin28"},
+			{name: "Phil'sEmpire", dts: "data/shapes/balls/ball-superball.dts", skin: "skin29"},
+			{name: "Matan's Red Dragon", dts: "data/shapes/balls/ball-superball.dts", skin: "skin30"},
+			{name: "Metallic Marble", dts: "data/shapes/balls/ball-superball.dts", skin: "skin31"},
+			{name: "Sun", dts: "data/shapes/balls/ball-superball.dts", skin: "skin32"},
+			{name: "Underwater", dts: "data/shapes/balls/ball-superball.dts", skin: "skin33"},
+			{name: "GarageGames logo", dts: "data/shapes/balls/garageGames.dts", skin: "base"},
+			{name: "Big Marble 1", dts: "data/shapes/balls/bm1.dts", skin: "base"},
+			{name: "Big Marble 2", dts: "data/shapes/balls/bm2.dts", skin: "base"},
+			{name: "Big Marble 3", dts: "data/shapes/balls/bm3.dts", skin: "base"},
+			{name: "Small Marble 1", dts: "data/shapes/balls/sm1.dts", skin: "base"},
+			{name: "Small Marble 2", dts: "data/shapes/balls/sm2.dts", skin: "base"},
+			{name: "Small Marble 3", dts: "data/shapes/balls/sm3.dts", skin: "base"},
+		];
+
+		var curSelection:Int = Settings.optionsSettings.marbleIndex;
+
+		function loadButtonImages(path:String) {
+			var normal = ResourceLoader.getResource('${path}_n.png', ResourceLoader.getImage, this.imageResources).toTile();
+			var hover = ResourceLoader.getResource('${path}_h.png', ResourceLoader.getImage, this.imageResources).toTile();
+			var pressed = ResourceLoader.getResource('${path}_d.png', ResourceLoader.getImage, this.imageResources).toTile();
+			var disabled = ResourceLoader.getResource('${path}_i.png', ResourceLoader.getImage, this.imageResources).toTile();
+			return [normal, hover, pressed, disabled];
+		}
+
+		var markerFelt32fontdata = ResourceLoader.getFileEntry("data/font/MarkerFelt.fnt");
+		var markerFelt32b = new BitmapFont(markerFelt32fontdata.entry);
+		@:privateAccess markerFelt32b.loader = ResourceLoader.loader;
+		var markerFelt32 = markerFelt32b.toSdfFont(cast 26 * Settings.uiScale, MultiChannel);
+		var markerFelt24 = markerFelt32b.toSdfFont(cast 18 * Settings.uiScale, MultiChannel);
+		var markerFelt28 = markerFelt32b.toSdfFont(cast 26 * Settings.uiScale, MultiChannel);
+
+		var selectBtn = new GuiButton(loadButtonImages("data/ui/marbleSelect/select"));
+		selectBtn.horizSizing = Center;
+		selectBtn.vertSizing = Top;
+		selectBtn.position = new Vector(199, 270);
+		selectBtn.extent = new Vector(95, 45);
+		selectBtn.pressedAction = (e) -> {
+			Settings.optionsSettings.marbleIndex = curSelection;
+			Settings.optionsSettings.marbleSkin = marbleData[curSelection].skin;
+			Settings.optionsSettings.marbleModel = marbleData[curSelection].dts;
+			Settings.save();
+			MarbleGame.canvas.popDialog(this);
+		}
+		this.addChild(selectBtn);
+
+		var marbleShow = buildObjectShow(marbleData[curSelection].dts, new Vector(171, 97), new Vector(150, 150), 2.6, 0);
+		marbleShow.horizSizing = Center;
+		marbleShow.vertSizing = Bottom;
+		marbleShow.visible = true;
+		this.addChild(marbleShow);
+
+		var titleText = new GuiMLText(markerFelt28, null);
+		titleText.text.textColor = 0xFFFFFF;
+		titleText.text.filter = new DropShadow(1.414, 0.785, 0, 1, 0x0000007F, 0.4, 1, true);
+		titleText.horizSizing = Center;
+		titleText.vertSizing = Bottom;
+		titleText.position = new Vector(140, 67);
+		titleText.extent = new Vector(213, 27);
+		titleText.text.text = '<p align="center">Official Marbles</p>';
+		this.addChild(titleText);
+
+		var marbleText = new GuiMLText(markerFelt24, null);
+		marbleText.text.textColor = 0xFFFFFF;
+		marbleText.text.filter = new DropShadow(1.414, 0.785, 0, 1, 0x0000007F, 0.4, 1, true);
+		marbleText.horizSizing = Center;
+		marbleText.vertSizing = Bottom;
+		marbleText.position = new Vector(86, 243);
+		marbleText.extent = new Vector(320, 22);
+		marbleText.text.text = '<p align="center">${marbleData[curSelection].name}</p>';
+		this.addChild(marbleText);
+
+		var changeMarbleText = new GuiImage(ResourceLoader.getResource("data/ui/play/change_marble_text.png", ResourceLoader.getImage, this.imageResources)
+			.toTile());
+		changeMarbleText.horizSizing = Center;
+		changeMarbleText.position = new Vector(96, 26);
+		changeMarbleText.extent = new Vector(300, 39);
+		this.addChild(changeMarbleText);
+
+		function setMarbleSelection(idx:Int) {
+			if (idx < 0)
+				idx = marbleData.length + idx;
+			if (idx >= marbleData.length)
+				idx -= marbleData.length;
+			curSelection = idx;
+			var marble = marbleData[idx];
+
+			marbleText.text.text = '<p align="center">${marble.name}</p>';
+
+			var dtsObj = new DtsObject();
+			dtsObj.dtsPath = marble.dts;
+			dtsObj.ambientRotate = true;
+			dtsObj.ambientSpinFactor /= -2;
+			dtsObj.showSequences = false;
+			dtsObj.useInstancing = false;
+			dtsObj.matNameOverride.set("base.marble", marble.skin + ".marble");
+			dtsObj.init(null, () -> {}); // The lambda is not gonna run async anyway
+			for (mat in dtsObj.materials) {
+				mat.mainPass.enableLights = false;
+				mat.mainPass.culling = None;
+				if (mat.blendMode != Alpha && mat.blendMode != Add)
+					mat.mainPass.addShader(new AlphaChannel());
+			}
+			marbleShow.changeObject(dtsObj);
+		}
+
+		var nextBtn = new GuiButton(loadButtonImages("data/ui/marbleSelect/next"));
+		nextBtn.position = new Vector(296, 270);
+		nextBtn.extent = new Vector(75, 45);
+		nextBtn.pressedAction = (e) -> {
+			setMarbleSelection(curSelection + 1);
+		}
+		this.addChild(nextBtn);
+
+		var prevBtn = new GuiButton(loadButtonImages("data/ui/marbleSelect/prev"));
+		prevBtn.position = new Vector(123, 270);
+		prevBtn.extent = new Vector(75, 45);
+		prevBtn.pressedAction = (e) -> {
+			setMarbleSelection(curSelection - 1);
+		}
+		setMarbleSelection(curSelection);
+		this.addChild(prevBtn);
+	}
+
+	function buildObjectShow(dtsPath:String, position:Vector, extent:Vector, dist:Float = 5, pitch:Float = 0, matnameOverride:Map<String, String> = null) {
+		var oShow = new GuiObjectShow();
+		var dtsObj = new DtsObject();
+		dtsObj.dtsPath = dtsPath;
+		dtsObj.ambientRotate = true;
+		dtsObj.ambientSpinFactor /= -2;
+		dtsObj.showSequences = false;
+		dtsObj.useInstancing = false;
+		if (matnameOverride != null) {
+			for (key => value in matnameOverride) {
+				dtsObj.matNameOverride.set(key, value);
+			}
+		}
+		dtsObj.init(null, () -> {}); // The lambda is not gonna run async anyway
+		for (mat in dtsObj.materials) {
+			mat.mainPass.enableLights = false;
+			mat.mainPass.culling = None;
+			if (mat.blendMode != Alpha && mat.blendMode != Add)
+				mat.mainPass.addShader(new AlphaChannel());
+		}
+		oShow.sceneObject = dtsObj;
+		oShow.position = position;
+		oShow.extent = extent;
+		oShow.renderDistance = dist;
+		oShow.renderPitch = pitch;
+		return oShow;
+	}
+}

src/gui/PlayMissionGui.hx

@@ -613,6 +613,9 @@ class PlayMissionGui extends GuiImage {
 		var pmMarbleSelect = new GuiButton(loadButtonImages("data/ui/play/marble"));
 		pmMarbleSelect.position = new Vector(50, 46);
 		pmMarbleSelect.extent = new Vector(43, 43);
+		pmMarbleSelect.pressedAction = (e) -> {
+			MarbleGame.canvas.pushDialog(new MarbleSelectGui());
+		}
 		pmMorePopDlg.addChild(pmMarbleSelect);
 
 		var pmStats = new GuiButton(loadButtonImages("data/ui/play/statistics"));