Refactored planet rendering to different classes

core/src/mindustry/maps/generators/PlanetGenerator.java

@@ -0,0 +1,31 @@
+package mindustry.maps.generators;
+
+import arc.math.geom.*;
+import mindustry.graphics.*;
+import mindustry.type.*;
+import mindustry.world.*;
+
+public abstract class PlanetGenerator extends BasicGenerator implements PlanetMesher{
+    protected Sector sector;
+
+    protected void genTile(Vec3 position, TileGen tile){
+
+    }
+
+    public void generate(Tiles tiles, Sector sec){
+        this.tiles = tiles;
+        this.sector = sec;
+        this.rand.setSeed(sec.id);
+
+        TileGen gen = new TileGen();
+        tiles.each((x, y) -> {
+            gen.reset();
+            Vec3 position = sector.rect.project(x / (float)tiles.width, y / (float)tiles.height);
+
+            genTile(position, gen);
+            tiles.set(x, y, new Tile(x, y, gen.floor, gen.overlay, gen.block));
+        });
+
+        generate(tiles);
+    }
+}