path event

src/main/java/baritone/behavior/impl/PathingBehavior.java

@@ -19,6 +19,7 @@ package baritone.behavior.impl;
 
 import baritone.Baritone;
 import baritone.behavior.Behavior;
+import baritone.event.events.PathEvent;
 import baritone.event.events.PlayerUpdateEvent;
 import baritone.event.events.RenderEvent;
 import baritone.event.events.TickEvent;
@@ -59,6 +60,14 @@ public class PathingBehavior extends Behavior {
 
     private boolean lastAutoJump;
 
+    private void dispatchPathEvent(PathEvent event) {
+        new Thread() {
+            public void run() {
+                Baritone.INSTANCE.getGameEventHandler().onPathEvent(event);
+            }
+        }.start();
+    }
+
     @Override
     public void onTick(TickEvent event) {
         if (event.getType() == TickEvent.Type.OUT) {
@@ -74,6 +83,7 @@ public class PathingBehavior extends Behavior {
                 current = null;
                 if (goal == null || goal.isInGoal(playerFeet())) {
                     displayChatMessageRaw("All done. At " + goal);
+                    dispatchPathEvent(PathEvent.AT_GOAL);
                     next = null;
                     return;
                 }
@@ -85,10 +95,12 @@ public class PathingBehavior extends Behavior {
                     // but if we fail in the middle of current
                     // we're nowhere close to our planned ahead path
                     // so need to discard it sadly.
+                    dispatchPathEvent(PathEvent.DISCARD_NEXT);
                     next = null;
                 }
                 if (next != null) {
                     displayChatMessageRaw("Continuing on to planned next path");
+                    dispatchPathEvent(PathEvent.CONTINUING_ONTO_PLANNED_NEXT);
                     current = next;
                     next = null;
                     return;
@@ -96,9 +108,11 @@ public class PathingBehavior extends Behavior {
                 // at this point, current just ended, but we aren't in the goal and have no plan for the future
                 synchronized (pathCalcLock) {
                     if (isPathCalcInProgress) {
+                        dispatchPathEvent(PathEvent.PATH_FINISHED_NEXT_STILL_CALCULATING);
                         // if we aren't calculating right now
                         return;
                     }
+                    dispatchPathEvent(PathEvent.CALC_STARTED);
                     findPathInNewThread(pathStart(), true, Optional.empty());
                 }
                 return;
@@ -110,6 +124,7 @@ public class PathingBehavior extends Behavior {
                     if (next.getPath().positions().contains(playerFeet())) {
                         // jump directly onto the next path
                         displayChatMessageRaw("Splicing into planned next path early...");
+                        dispatchPathEvent(PathEvent.SPLICING_ONTO_NEXT_EARLY);
                         current = next;
                         next = null;
                         return;
@@ -132,6 +147,7 @@ public class PathingBehavior extends Behavior {
                 if (ticksRemainingInSegment().get() < Baritone.settings().planningTickLookAhead.get()) {
                     // and this path has 5 seconds or less left
                     displayChatMessageRaw("Path almost over. Planning ahead...");
+                    dispatchPathEvent(PathEvent.NEXT_SEGMENT_CALC_STARTED);
                     findPathInNewThread(current.getPath().getDest(), false, Optional.of(current.getPath()));
                 }
             }
@@ -192,6 +208,7 @@ public class PathingBehavior extends Behavior {
                 if (isPathCalcInProgress) {
                     return;
                 }
+                dispatchPathEvent(PathEvent.CALC_STARTED);
                 findPathInNewThread(pathStart(), true, Optional.empty());
             }
         }
@@ -227,19 +244,29 @@ public class PathingBehavior extends Behavior {
             if (Baritone.settings().cutoffAtLoadBoundary.get()) {
                 path = path.map(IPath::cutoffAtLoadedChunks);
             }
-            path.map(p -> p.staticCutoff(goal)).map(PathExecutor::new).ifPresent(p -> {
+            Optional<PathExecutor> executor = path.map(p -> p.staticCutoff(goal)).map(PathExecutor::new);
             synchronized (pathPlanLock) {
                 if (current == null) {
-                        current = p;
+                    if (executor.isPresent()) {
+                        dispatchPathEvent(PathEvent.CALC_FINISHED_NOW_EXECUTING);
+                        current = executor.get();
+                    } else {
+                        dispatchPathEvent(PathEvent.CALC_FAILED);
+                    }
                 } else {
                     if (next == null) {
-                            next = p;
+                        if (executor.isPresent()) {
+                            dispatchPathEvent(PathEvent.NEXT_SEGMENT_CALC_FINISHED);
+                            next = executor.get();
+                        } else {
+                            dispatchPathEvent(PathEvent.NEXT_CALC_FAILED);
+                        }
                     } else {
                         throw new IllegalStateException("I have no idea what to do with this path");
                     }
                 }
             }
-            });
+
             if (talkAboutIt && current != null && current.getPath() != null) {
                 if (goal == null || goal.isInGoal(current.getPath().getDest())) {
                     displayChatMessageRaw("Finished finding a path from " + start + " to " + goal + ". " + current.getPath().getNumNodesConsidered() + " nodes considered");

src/main/java/baritone/event/GameEventHandler.java

@@ -42,10 +42,6 @@ import baritone.event.listener.IGameEventListener;
 import baritone.utils.Helper;
 import baritone.utils.InputOverrideHandler;
 import baritone.utils.interfaces.Toggleable;
-import net.minecraft.client.renderer.BufferBuilder;
-import net.minecraft.client.renderer.GlStateManager;
-import net.minecraft.client.renderer.Tessellator;
-import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
 import net.minecraft.client.settings.KeyBinding;
 import net.minecraft.world.chunk.Chunk;
 import org.lwjgl.input.Keyboard;
@@ -181,6 +177,11 @@ public final class GameEventHandler implements IGameEventListener, Helper {
         dispatch(IGameEventListener::onPlayerDeath);
     }
 
+    @Override
+    public void onPathEvent(PathEvent event) {
+        dispatch(listener -> listener.onPathEvent(event));
+    }
+
     public final void registerEventListener(IGameEventListener listener) {
         this.listeners.add(listener);
     }
@@ -192,27 +193,4 @@ public final class GameEventHandler implements IGameEventListener, Helper {
     private boolean canDispatch(IGameEventListener listener) {
         return !(listener instanceof Toggleable) || ((Toggleable) listener).isEnabled();
     }
-
-    private void drawChunkLine(int posX, int posZ, float partialTicks) {
-        GlStateManager.enableBlend();
-        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
-        GlStateManager.color(1.0F, 1.0F, 0.0F, 0.4F);
-        GlStateManager.glLineWidth(2.0F);
-        GlStateManager.disableTexture2D();
-
-        Tessellator tessellator = Tessellator.getInstance();
-        BufferBuilder buffer = tessellator.getBuffer();
-        double d0 = mc.getRenderManager().viewerPosX;
-        double d1 = mc.getRenderManager().viewerPosY;
-        double d2 = mc.getRenderManager().viewerPosZ;
-        buffer.begin(3, DefaultVertexFormats.POSITION);
-        buffer.pos(posX - d0, 0 - d1, posZ - d2).endVertex();
-        buffer.pos(posX - d0, 256 - d1, posZ - d2).endVertex();
-        tessellator.draw();
-
-        GlStateManager.enableDepth();
-        GlStateManager.depthMask(true);
-        GlStateManager.enableTexture2D();
-        GlStateManager.disableBlend();
-    }
 }

src/main/java/baritone/event/events/PathEvent.java

@@ -0,0 +1,22 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.event.events;
+
+public enum PathEvent {
+    CALC_STARTED, CALC_FINISHED_NOW_EXECUTING, CALC_FAILED, NEXT_SEGMENT_CALC_STARTED, NEXT_SEGMENT_CALC_FINISHED, CONTINUING_ONTO_PLANNED_NEXT, SPLICING_ONTO_NEXT_EARLY, AT_GOAL, PATH_FINISHED_NEXT_STILL_CALCULATING, NEXT_CALC_FAILED, DISCARD_NEXT;
+}

src/main/java/baritone/event/listener/AbstractGameEventListener.java

@@ -41,9 +41,8 @@ import baritone.event.events.*;
  * overridden with empty bodies, allowing inheritors of this class to choose
  * which events they would like to listen in on.
  *
- * @see IGameEventListener
- *
  * @author Brady
+ * @see IGameEventListener
  * @since 8/1/2018 6:29 PM
  */
 public interface AbstractGameEventListener extends IGameEventListener {
@@ -86,4 +85,7 @@ public interface AbstractGameEventListener extends IGameEventListener {
 
     @Override
     default void onPlayerDeath() {}
+
+    @Override
+    default void onPathEvent(PathEvent event) {}
 }

src/main/java/baritone/event/listener/IGameEventListener.java

@@ -149,4 +149,11 @@ public interface IGameEventListener {
      * @see GuiGameOver(ITextComponent)
      */
     void onPlayerDeath();
+
+    /**
+     * When the pathfinder's state changes
+     *
+     * @param event
+     */
+    void onPathEvent(PathEvent event);
 }