From ddb869308ff7587d67495ab22819bc59cd891c5a Mon Sep 17 00:00:00 2001
From: Collin Smith <collinsmith70@gmail.com>
Date: Wed, 17 Apr 2019 01:00:10 -0700
Subject: [PATCH] Added Missile entity

---
 core/src/com/riiablo/ai/QuillRat.java    |  9 +++
 core/src/com/riiablo/entity/Entity.java  |  3 +
 core/src/com/riiablo/entity/Missile.java | 76 ++++++++++++++++++++++++
 3 files changed, 88 insertions(+)
 create mode 100644 core/src/com/riiablo/entity/Missile.java

diff --git a/core/src/com/riiablo/ai/QuillRat.java b/core/src/com/riiablo/ai/QuillRat.java
index 2fe30fb8..c6ba1a74 100644
--- a/core/src/com/riiablo/ai/QuillRat.java
+++ b/core/src/com/riiablo/ai/QuillRat.java
@@ -6,7 +6,9 @@ import com.badlogic.gdx.ai.msg.Telegram;
 import com.badlogic.gdx.math.MathUtils;
 import com.badlogic.gdx.math.Vector2;
 import com.riiablo.Riiablo;
+import com.riiablo.codec.excel.Missiles;
 import com.riiablo.entity.Entity;
+import com.riiablo.entity.Missile;
 import com.riiablo.entity.Monster;
 import com.riiablo.entity.Player;
 
@@ -34,11 +36,13 @@ public class QuillRat extends AI {
   final StateMachine<Monster, State> stateMachine;
   float nextAction;
   float time;
+  Missiles.Entry missile;
 
   public QuillRat(Monster entity) {
     super(entity);
     stateMachine = new DefaultStateMachine<>(entity, State.IDLE);
     monsound = "spikefiend";
+    missile = Riiablo.files.Missiles.get(entity.monstats.MissA2);
   }
 
   @Override
@@ -72,6 +76,11 @@ public class QuillRat extends AI {
               entity.sequence(Monster.MODE_A2, Monster.MODE_NU);
               Riiablo.audio.play(monsound + "_shoot_1", true);
               time = MathUtils.random(1f, 2);
+
+              Missile miss = new Missile(missile);
+              miss.position().set(entity.position());
+              miss.lookAt(ent); // TODO: should be able to set angle to firing entity angle later
+              Riiablo.engine.add(miss);
               return;
             }
           }
diff --git a/core/src/com/riiablo/entity/Entity.java b/core/src/com/riiablo/entity/Entity.java
index 9150ddbf..75de1147 100644
--- a/core/src/com/riiablo/entity/Entity.java
+++ b/core/src/com/riiablo/entity/Entity.java
@@ -94,6 +94,9 @@ public abstract class Entity implements Animation.AnimationListener {
         new String[] {"NU"},
         new String[] {"NIL"}),
     WRP("WARPS",
+        new String[] {"NU"},
+        new String[] {"NIL"}),
+    MIS("MISSILES",
         new String[] {"NU"},
         new String[] {"NIL"});
 
diff --git a/core/src/com/riiablo/entity/Missile.java b/core/src/com/riiablo/entity/Missile.java
new file mode 100644
index 00000000..d6e3b6e5
--- /dev/null
+++ b/core/src/com/riiablo/entity/Missile.java
@@ -0,0 +1,76 @@
+package com.riiablo.entity;
+
+import com.badlogic.gdx.assets.AssetDescriptor;
+import com.badlogic.gdx.math.MathUtils;
+import com.badlogic.gdx.math.Vector2;
+import com.riiablo.Riiablo;
+import com.riiablo.audio.Audio;
+import com.riiablo.codec.Animation;
+import com.riiablo.codec.DC;
+import com.riiablo.codec.DCC;
+import com.riiablo.codec.excel.Missiles;
+import com.riiablo.graphics.BlendMode;
+import com.riiablo.graphics.PaletteIndexedBatch;
+
+public class Missile extends Entity {
+  public final Missiles.Entry missile;
+
+  AssetDescriptor<DCC> imageDescriptor;
+  DC image;
+  int blendMode;
+  Audio.Instance travelSound;
+  int velocity;
+  float remainingDist;
+  final Vector2 tmpVec2 = new Vector2();
+
+  public Missile(Missiles.Entry missile) {
+    super(Type.MIS, missile.Missile, null);
+    this.missile = missile;
+
+    velocity = missile.Vel;
+    remainingDist = missile.Range;
+    switch (missile.Trans) {
+      case 0:  blendMode = BlendMode.ID; break;
+      case 1:  blendMode = BlendMode.LUMINOSITY; break;
+      default: blendMode = BlendMode.ID; break;
+    }
+
+    imageDescriptor = new AssetDescriptor<>(Type.MIS.PATH + "\\" + missile.CelFile + ".dcc", DCC.class);
+  }
+
+  @Override
+  public void update(float delta) {
+    float radius = velocity * delta;
+    remainingDist -= radius;
+    if (remainingDist < 0) {
+      Riiablo.engine.remove(this);
+      return;
+    }
+
+    // FIXME: angle given using pixels but applied using map coordinated
+    tmpVec2.x = radius * MathUtils.cos(angle);
+    tmpVec2.y = radius * MathUtils.sin(angle);
+    position.add(tmpVec2);
+  }
+
+  @Override
+  protected void updateCOF() {
+    Riiablo.assets.load(imageDescriptor);
+    Riiablo.assets.finishLoadingAsset(imageDescriptor);
+    image = Riiablo.assets.get(imageDescriptor);
+
+    animation = Animation.builder()
+        .layer(image, blendMode)
+        .build();
+    animation.setLooping(missile.LoopAnim > 0); // TODO: Some are 2 -- special case?
+    animation.setFrame(missile.RandStart);
+    animation.setFrameDuration(Animation.FRAME_DURATION * missile.AnimSpeed);
+    animation.setDirection(direction());
+    dirty = Dirty.NONE;
+
+    travelSound = Riiablo.audio.play(missile.TravelSound, true);
+  }
+
+  @Override
+  public void drawShadow(PaletteIndexedBatch batch) {}
+}