Fixed GUI buttons and a rare crash on startup

src/main/java/ru/windcorp/progressia/client/graphics/gui/BasicButton.java

@@ -120,6 +120,7 @@ public abstract class BasicButton extends Component {
 	public void setPressed(boolean isPressed) {
 		if (this.isPressed != isPressed) {
 			this.isPressed = isPressed;
+			requestReassembly();
 			
 			if (isPressed) {
 				takeFocus();

src/main/java/ru/windcorp/progressia/client/graphics/model/Shapes.java

@@ -20,10 +20,12 @@ package ru.windcorp.progressia.client.graphics.model;
 
 import java.util.Map;
 
+import glm.mat._4.Mat4;
 import glm.vec._3.Vec3;
 import glm.vec._4.Vec4;
 import ru.windcorp.progressia.client.graphics.backend.Usage;
 import ru.windcorp.progressia.client.graphics.texture.Texture;
+import ru.windcorp.progressia.common.util.VectorUtil;
 import ru.windcorp.progressia.common.world.rels.AbsFace;
 
 public class Shapes {
@@ -271,6 +273,22 @@ public class Shapes {
 			
 			return this;
 		}
+		
+		public PppBuilder apply(Mat4 transform) {
+			VectorUtil.applyMat4(origin, transform);
+			VectorUtil.rotateOnly(width, transform);
+			VectorUtil.rotateOnly(height, transform);
+			VectorUtil.rotateOnly(depth, transform);
+			return this;
+		}
+		
+		public PppBuilder scale(float factor) {
+			origin.mul(factor);
+			width.mul(factor);
+			height.mul(factor);
+			depth.mul(factor);
+			return this;
+		}
 
 		public PppBuilder flip() {
 			this.flip = true;

src/main/java/ru/windcorp/progressia/server/comms/ClientManager.java

@@ -95,7 +95,7 @@ public class ClientManager {
 	}
 	
 	public void processPackets() {
-		getClients().forEach(CommsChannel::processPackets);
+		clients.forEach(CommsChannel::processPackets);
 	}
 
 	/**

src/main/java/ru/windcorp/progressia/server/world/generation/planet/PlanetTerrainGenerator.java

@@ -86,6 +86,11 @@ class PlanetTerrainGenerator {
 	}
 
 	private void generateBorderTerrain(Server server, DefaultChunkData chunk) {
+		if (chunk.getPosition().x == 0 && chunk.getPosition().y == 0 && chunk.getPosition().z == 0) {
+			generateCore(server, chunk);
+			return;
+		}
+		
 		BlockData stone = BlockDataRegistry.getInstance().get("Test:Stone");
 		BlockData air = BlockDataRegistry.getInstance().get("Test:Air");
 
@@ -109,4 +114,16 @@ class PlanetTerrainGenerator {
 		});
 	}
 
+	private void generateCore(Server server, DefaultChunkData chunk) {
+		BlockData tux = BlockDataRegistry.getInstance().get("Test:Tux");
+		BlockData air = BlockDataRegistry.getInstance().get("Test:Air");
+		
+		
+		GenericChunks.forEachBiC(bic -> {
+			chunk.setBlock(bic, air, false);
+		});
+		
+		chunk.setBlock(new Vec3i(7, 7, 0), tux, false);
+	}
+
 }

src/main/java/ru/windcorp/progressia/test/TestBlockRenderTux.java

@@ -0,0 +1,100 @@
+/*
+ * Progressia
+ * Copyright (C)  2020-2021  Wind Corporation and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package ru.windcorp.progressia.test;
+
+import glm.mat._4.Mat4;
+import glm.vec._3.Vec3;
+import glm.vec._3.i.Vec3i;
+import ru.windcorp.progressia.client.graphics.Colors;
+import ru.windcorp.progressia.client.graphics.backend.Usage;
+import ru.windcorp.progressia.client.graphics.model.Renderable;
+import ru.windcorp.progressia.client.graphics.model.Shape;
+import ru.windcorp.progressia.client.graphics.model.ShapeParts;
+import ru.windcorp.progressia.client.graphics.model.Shapes;
+import ru.windcorp.progressia.client.graphics.model.StaticModel;
+import ru.windcorp.progressia.client.graphics.texture.ComplexTexture;
+import ru.windcorp.progressia.client.graphics.texture.SimpleTextures;
+import ru.windcorp.progressia.client.graphics.texture.TexturePrimitive;
+import ru.windcorp.progressia.client.graphics.world.WorldRenderProgram;
+import ru.windcorp.progressia.client.world.block.BlockRender;
+import ru.windcorp.progressia.common.world.DefaultChunkData;
+
+public class TestBlockRenderTux extends BlockRender {
+
+	private final Renderable model;
+
+	public TestBlockRenderTux(String id) {
+		super(id);
+
+		TexturePrimitive primitive = SimpleTextures.get("blocks/Tux").getSprite().getPrimitive();
+		ComplexTexture texture = new ComplexTexture(primitive, 72, 60);
+
+		WorldRenderProgram program = WorldRenderProgram.getDefault();
+		StaticModel.Builder builder = StaticModel.builder();
+
+		final float scale = 1f / 40;
+		final float lift = -1f / 2 / scale;
+
+		builder.addPart(
+			new Shapes.PppBuilder(program, texture.getCuboidTextures(0, 36, 12)).setSize(12)
+				.centerAt(0, 0, 18 + (12 / 2) + lift).scale(scale).create()
+		);
+		builder.addPart(
+			new Shapes.PppBuilder(program, texture.getCuboidTextures(0, 0, 18)).setSize(18)
+				.centerAt(0, 0, 18 / 2 + lift).scale(scale).create()
+		);
+		builder.addPart(
+			new Shape(
+				Usage.STATIC,
+				program,
+				ShapeParts.createRectangle(
+					program,
+					texture.get(48, 44, 24, 16),
+					Colors.WHITE,
+					new Vec3(18 / 2 + 1, -(24 / 2), lift),
+					new Vec3(0, 24, 0),
+					new Vec3(0, 0, 16),
+					false
+				),
+				ShapeParts.createRectangle(
+					program,
+					texture.get(48, 44, 24, 16),
+					Colors.WHITE,
+					new Vec3(18 / 2 + 1, -(24 / 2), lift),
+					new Vec3(0, 24, 0),
+					new Vec3(0, 0, 16),
+					true
+				)
+			),
+			new Mat4().scale(scale)
+		);
+
+		this.model = builder.build();
+	}
+
+	@Override
+	public Renderable createRenderable(DefaultChunkData chunk, Vec3i relBlockInChunk) {
+		return model;
+	}
+
+	@Override
+	public boolean needsOwnRenderable() {
+		return true;
+	}
+
+}

src/main/java/ru/windcorp/progressia/test/TestContent.java

@@ -135,6 +135,10 @@ public class TestContent {
 		register(new BlockData("Test:StatieSpawner"));
 		register(new BlockRenderOpaqueCube("Test:StatieSpawner", getBlockTexture("StatieSpawner")));
 		register(new TestBlockLogicStatieSpawner("Test:StatieSpawner"));
+		
+		register(new BlockData("Test:Tux"));
+		register(new TestBlockRenderTux("Test:Tux"));
+		register(new BlockLogic("Test:Tux"));
 
 		BlockDataRegistry.getInstance().values().forEach(PLACEABLE_BLOCKS::add);
 		PLACEABLE_BLOCKS.removeIf(b -> placeableBlacklist.contains(b.getId()));