skip over buffer when pasting trees

common/src/main/java/com/dfsek/terra/api/structures/script/StructureScript.java

@@ -24,6 +24,7 @@ import com.dfsek.terra.api.structures.script.builders.UnaryNumberFunctionBuilder
 import com.dfsek.terra.api.structures.script.builders.UnaryStringFunctionBuilder;
 import com.dfsek.terra.api.structures.structure.Rotation;
 import com.dfsek.terra.api.structures.structure.buffer.Buffer;
+import com.dfsek.terra.api.structures.structure.buffer.DirectBuffer;
 import com.dfsek.terra.api.structures.structure.buffer.StructureBuffer;
 import com.dfsek.terra.debug.Debug;
 import com.dfsek.terra.generation.math.SamplerCache;
@@ -128,6 +129,11 @@ public class StructureScript {
         return !block.apply(new TerraImplementationArguments(buffer, rotation, random, recursions)).getLevel().equals(Block.ReturnLevel.FAIL);
     }
 
+    public boolean executeDirect(Location location, Random random, Rotation rotation) {
+        DirectBuffer buffer = new DirectBuffer(location);
+        return !block.apply(new TerraImplementationArguments(buffer, rotation, random, 0)).getLevel().equals(Block.ReturnLevel.FAIL);
+    }
+
     public String getId() {
         return id;
     }

common/src/main/java/com/dfsek/terra/api/structures/structure/buffer/DirectBuffer.java

@@ -0,0 +1,41 @@
+package com.dfsek.terra.api.structures.structure.buffer;
+
+import com.dfsek.terra.api.math.vector.Location;
+import com.dfsek.terra.api.structures.structure.buffer.items.BufferedItem;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * Buffer implementation that directly pastes to the world.
+ */
+public class DirectBuffer implements Buffer {
+    private final Location origin;
+    private final Map<Location, String> marks = new LinkedHashMap<>();
+
+    public DirectBuffer(Location origin) {
+        this.origin = origin;
+    }
+
+    @Override
+    public Buffer addItem(BufferedItem item, Location location) {
+        item.paste(origin.clone().add(location));
+        return this;
+    }
+
+    @Override
+    public Location getOrigin() {
+        return origin;
+    }
+
+    @Override
+    public String getMark(Location location) {
+        return marks.get(location);
+    }
+
+    @Override
+    public Buffer setMark(String mark, Location location) {
+        marks.put(location, mark);
+        return this;
+    }
+}

common/src/main/java/com/dfsek/terra/population/items/tree/TerraTree.java

@@ -22,7 +22,7 @@ public class TerraTree implements Tree {
 
     @Override
     public synchronized boolean plant(Location location, Random random) {
-        return structure.get(random).execute(location.clone().add(0, yOffset, 0), random, Rotation.fromDegrees(90 * random.nextInt(4)));
+        return structure.get(random).executeDirect(location.clone().add(0, yOffset, 0), random, Rotation.fromDegrees(90 * random.nextInt(4)));
     }
 
     @Override