New tech tree layout

core/src/mindustry/content/TechTree.java

@@ -22,7 +22,6 @@ public class TechTree implements ContentList{
             node(conveyor, () -> {
 
                 node(junction, () -> {
-                    node(itemBridge);
                     node(router, () -> {
                         node(launchPad, () -> {
                             node(launchPadLarge, () -> {
@@ -45,16 +44,18 @@ public class TechTree implements ContentList{
                             });
                         });
 
-                        node(titaniumConveyor, () -> {
-                            node(phaseConveyor, () -> {
-                                node(massDriver, () -> {
+                        node(itemBridge, () -> {
+                            node(titaniumConveyor, () -> {
+                                node(phaseConveyor, () -> {
+                                    node(massDriver, () -> {
+
+                                    });
+                                });
+
+                                node(armoredConveyor, () -> {
 
                                 });
                             });
-
-                            node(armoredConveyor, () -> {
-
-                            });
                         });
                     });
                 });
@@ -102,23 +103,25 @@ public class TechTree implements ContentList{
 
 
                 node(copperWall, () -> {
-                    node(copperWallLarge);
-                    node(titaniumWall, () -> {
-                        node(door, () -> {
-                            node(doorLarge);
-                        });
-                        node(plastaniumWall, () -> {
-                            node(plastaniumWallLarge, () -> {
+                    node(copperWallLarge, () -> {
+                        node(titaniumWall, () -> {
+                            node(titaniumWallLarge);
 
+                            node(door, () -> {
+                                node(doorLarge);
                             });
-                        });
-                        node(titaniumWallLarge);
-                        node(thoriumWall, () -> {
-                            node(thoriumWallLarge);
-                            node(surgeWall, () -> {
-                                node(surgeWallLarge);
-                                node(phaseWall, () -> {
-                                    node(phaseWallLarge);
+                            node(plastaniumWall, () -> {
+                                node(plastaniumWallLarge, () -> {
+
+                                });
+                            });
+                            node(thoriumWall, () -> {
+                                node(thoriumWallLarge);
+                                node(surgeWall, () -> {
+                                    node(surgeWallLarge);
+                                    node(phaseWall, () -> {
+                                        node(phaseWallLarge);
+                                    });
                                 });
                             });
                         });

core/src/mindustry/ui/dialogs/TechTreeDialog.java

@@ -1,6 +1,7 @@
 package mindustry.ui.dialogs;
 
 import arc.*;
+import arc.scene.ui.layout.Stack;
 import arc.struct.*;
 import arc.graphics.*;
 import arc.graphics.g2d.*;
@@ -25,6 +26,8 @@ import mindustry.ui.Cicon;
 import mindustry.ui.layout.*;
 import mindustry.ui.layout.TreeLayout.*;
 
+import java.util.*;
+
 import static mindustry.Vars.*;
 
 public class TechTreeDialog extends FloatingDialog{
@@ -110,9 +113,24 @@ public class TechTreeDialog extends FloatingDialog{
     }
 
     void treeLayout(){
-        TreeLayout layout = new RadialTreeLayout();
+        float spacing = 20f;
         LayoutNode node = new LayoutNode(root, null);
-        layout.layout(node);
+        LayoutNode[] children = node.children;
+        LayoutNode[] leftHalf = Arrays.copyOfRange(node.children, 0, Mathf.ceil(node.children.length/2f));
+        LayoutNode[] rightHalf = Arrays.copyOfRange(node.children, Mathf.ceil(node.children.length/2f), node.children.length);
+        node.children = leftHalf;
+        new BranchTreeLayout(){{
+            gapBetweenLevels = gapBetweenNodes = spacing;
+        }}.layout(node);
+        node.children = rightHalf;
+
+        new BranchTreeLayout(){{
+            gapBetweenLevels = gapBetweenNodes = spacing;
+            rootLocation = TreeLocation.bottom;
+        }}.layout(node);
+
+        node.children = children;
+
         float minx = 0f, miny = 0f, maxx = 0f, maxy = 0f;
         copyInfo(node);
 
@@ -378,7 +396,12 @@ public class TechTreeDialog extends FloatingDialog{
 
                     Lines.stroke(Scl.scl(4f), locked(node.node) || locked(child.node) ? Pal.gray : Pal.accent);
                     Draw.alpha(parentAlpha);
-                    Lines.line(node.x + offsetX, node.y + offsetY, child.x + offsetX, child.y + offsetY);
+                    if(Mathf.equal(Math.abs(node.y - child.y), Math.abs(node.x - child.x), 1f) && Mathf.dstm(node.x, node.y, child.x, child.y) <= node.width*3){
+                        Lines.line(node.x + offsetX, node.y + offsetY, child.x + offsetX, child.y + offsetY);
+                    }else{
+                        Lines.line(node.x + offsetX, node.y + offsetY, child.x + offsetX, node.y + offsetY);
+                        Lines.line(child.x + offsetX, node.y + offsetY, child.x + offsetX, child.y + offsetY);
+                    }
                 }
             }
 

core/src/mindustry/ui/layout/BranchTreeLayout.java

@@ -148,8 +148,7 @@ public class BranchTreeLayout implements TreeLayout{
         wPlus.mode = wPlus.mode + shift;
     }
 
-    private TreeNode apportion(TreeNode v, TreeNode defaultAncestor,
-                               TreeNode leftSibling, TreeNode parentOfV){
+    private TreeNode apportion(TreeNode v, TreeNode defaultAncestor, TreeNode leftSibling, TreeNode parentOfV){
         if(leftSibling == null){
             return defaultAncestor;
         }

gradle.properties

@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=e5894c1aaa00d4ba1c75ba16c7f341d2ea70344c
+archash=ad4050f9b828c264c5e70e48679064ef5e4152fb