Added searchForMaterial Function and List of transparentMaterials

src/main/java/eu/ruekov/ruakij/LinkedBeaconTeleporters/Function.java

@@ -2,11 +2,14 @@ package eu.ruekov.ruakij.LinkedBeaconTeleporters;
 
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
+import org.bukkit.block.Block;
+import org.bukkit.util.Vector;
 
+import java.util.Arrays;
 import java.util.InvalidPropertiesFormatException;
 import java.util.List;
-import java.util.Map;
 import java.util.Random;
 
 public class Function {
@@ -38,4 +41,115 @@ public class Function {
         }
         return str;
     }
+
+    public static List<Material> transparentMaterials = Arrays.asList(
+            Material.AIR,
+            Material.GLASS,
+            Material.GLASS_PANE,
+            Material.BLACK_STAINED_GLASS,
+            Material.BLACK_STAINED_GLASS_PANE,
+            Material.BLUE_STAINED_GLASS,
+            Material.BLUE_STAINED_GLASS_PANE,
+            Material.BROWN_STAINED_GLASS,
+            Material.BROWN_STAINED_GLASS_PANE,
+            Material.CYAN_STAINED_GLASS,
+            Material.CYAN_STAINED_GLASS_PANE,
+            Material.GRAY_STAINED_GLASS,
+            Material.GRAY_STAINED_GLASS_PANE,
+            Material.GREEN_STAINED_GLASS,
+            Material.GREEN_STAINED_GLASS_PANE,
+            Material.LIGHT_BLUE_STAINED_GLASS,
+            Material.LIGHT_BLUE_STAINED_GLASS_PANE,
+            Material.LIGHT_GRAY_STAINED_GLASS,
+            Material.LIGHT_GRAY_STAINED_GLASS_PANE,
+            Material.LIME_STAINED_GLASS,
+            Material.LIME_STAINED_GLASS_PANE,
+            Material.MAGENTA_STAINED_GLASS,
+            Material.MAGENTA_STAINED_GLASS_PANE,
+            Material.ORANGE_STAINED_GLASS,
+            Material.ORANGE_STAINED_GLASS_PANE,
+            Material.PINK_STAINED_GLASS,
+            Material.PINK_STAINED_GLASS_PANE,
+            Material.PURPLE_STAINED_GLASS,
+            Material.PURPLE_STAINED_GLASS_PANE,
+            Material.RED_STAINED_GLASS,
+            Material.RED_STAINED_GLASS_PANE,
+            Material.WHITE_STAINED_GLASS,
+            Material.WHITE_STAINED_GLASS_PANE,
+            Material.YELLOW_STAINED_GLASS,
+            Material.YELLOW_STAINED_GLASS_PANE,
+            Material.PISTON,
+            Material.PISTON_HEAD,
+            Material.MOVING_PISTON,
+            Material.STICKY_PISTON,
+            Material.ACACIA_LEAVES,
+            Material.BIRCH_LEAVES,
+            Material.DARK_OAK_LEAVES,
+            Material.JUNGLE_LEAVES,
+            Material.OAK_LEAVES,
+            Material.SPRUCE_LEAVES,
+            Material.ACACIA_SLAB,
+            Material.ANDESITE_SLAB,
+            Material.BIRCH_SLAB,
+            Material.BLACKSTONE_SLAB,
+            Material.BRICK_SLAB,
+            Material.COBBLESTONE_SLAB,
+            Material.CRIMSON_SLAB,
+            Material.CUT_RED_SANDSTONE_SLAB,
+            Material.CUT_SANDSTONE_SLAB,
+            Material.DARK_OAK_SLAB,
+            Material.DARK_PRISMARINE_SLAB,
+            Material.DIORITE_SLAB,
+            Material.END_STONE_BRICK_SLAB,
+            Material.GRANITE_SLAB,
+            Material.JUNGLE_SLAB,
+            Material.MOSSY_COBBLESTONE_SLAB,
+            Material.MOSSY_STONE_BRICK_SLAB,
+            Material.NETHER_BRICK_SLAB,
+            Material.OAK_SLAB,
+            Material.PETRIFIED_OAK_SLAB,
+            Material.POLISHED_ANDESITE_SLAB,
+            Material.POLISHED_BLACKSTONE_BRICK_SLAB,
+            Material.POLISHED_BLACKSTONE_SLAB,
+            Material.POLISHED_DIORITE_SLAB,
+            Material.POLISHED_GRANITE_SLAB,
+            Material.PRISMARINE_BRICK_SLAB,
+            Material.PRISMARINE_SLAB,
+            Material.PURPUR_SLAB,
+            Material.QUARTZ_SLAB,
+            Material.RED_NETHER_BRICK_SLAB,
+            Material.RED_SANDSTONE_SLAB,
+            Material.SANDSTONE_SLAB,
+            Material.SMOOTH_QUARTZ_SLAB,
+            Material.SMOOTH_RED_SANDSTONE_SLAB,
+            Material.SMOOTH_SANDSTONE_SLAB,
+            Material.SMOOTH_STONE_SLAB,
+            Material.SPRUCE_SLAB,
+            Material.STONE_BRICK_SLAB,
+            Material.STONE_SLAB,
+            Material.WARPED_SLAB
+    );
+    public static Block searchForMaterial(Location startLoc, Vector searchDirection, Material searchMaterial, List<Material> ignoreMaterials){
+        Location loc = new Location(startLoc.getWorld(), startLoc.getBlockX(), startLoc.getBlockY(), startLoc.getBlockZ());
+        for(int i=0; loc.getBlockY()>=0 && loc.getBlockY()<=255; loc.add(searchDirection)){
+            Block block = loc.getBlock();
+
+            // Check for correct material
+            if(block.getType() == searchMaterial) return block;
+
+            // Check for non-ignore-block
+            boolean found = false;
+            for(Material ignoreMaterial : ignoreMaterials){
+                if(block.getType() == ignoreMaterial){
+                    found = true;
+                    break;
+                }
+            }
+            // If not found, searchMaterial not found
+            if(!found) return null;
+        }
+
+        // Reached 0 or 255, searchMaterial not found
+        return null;
+    }
 }