Feature/creature attacks

src/toniarts/openkeeper/game/component/CreatureSpell.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014-2024 OpenKeeper
+ *
+ * OpenKeeper 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.
+ *
+ * OpenKeeper 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 OpenKeeper.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package toniarts.openkeeper.game.component;
+
+import com.simsilica.es.EntityId;
+
+/**
+ * Creature spell. Note that since a creature can have multiple, these are
+ * supposed to be given to individual entities
+ *
+ * @author Toni Helenius <[email protected]>
+ */
+public class CreatureSpell extends Attack {
+
+    public short creatureSpellId;
+    public EntityId creatureId;
+
+    public CreatureSpell() {
+        // For serialization
+    }
+
+    public CreatureSpell(short creatureSpellId, EntityId creatureId, float rechargeTime, float range) {
+        super(rechargeTime, range);
+        this.creatureSpellId = creatureSpellId;
+        this.creatureId = creatureId;
+    }
+
+    public CreatureSpell(CreatureSpell attack, double attackStartTime) {
+        super(attack.rechargeTime, attack.range);
+        this.creatureSpellId = attack.creatureSpellId;
+        this.creatureId = attack.creatureId;
+        this.attactStartTime = attackStartTime;
+    }
+
+}

src/toniarts/openkeeper/game/component/CreatureSpells.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2014-2024 OpenKeeper
+ *
+ * OpenKeeper 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.
+ *
+ * OpenKeeper 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 OpenKeeper.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package toniarts.openkeeper.game.component;
+
+import com.simsilica.es.EntityComponent;
+import com.simsilica.es.EntityId;
+import java.util.List;
+
+/**
+ * Creature spells. Minor infraction of ECS design having a list here. The idea
+ * is to link the actual spell entities to a creature. Give this component to a
+ * creature and you have yourself a search key to the actual spells.
+ *
+ * @author Toni Helenius <[email protected]>
+ */
+public class CreatureSpells implements EntityComponent {
+
+    public List<EntityId> creatureSpells;
+
+    public CreatureSpells() {
+        // For serialization
+    }
+
+    public CreatureSpells(List<EntityId> creatureSpells) {
+        this.creatureSpells = creatureSpells;
+    }
+
+}

src/toniarts/openkeeper/game/controller/CreaturesController.java

@@ -28,10 +28,12 @@
 import java.lang.System.Logger.Level;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.WeakHashMap;
+import java.util.stream.Collectors;
 import toniarts.openkeeper.game.component.CreatureAi;
 import toniarts.openkeeper.game.component.CreatureComponent;
 import toniarts.openkeeper.game.component.CreatureEfficiency;
@@ -42,6 +44,8 @@
 import toniarts.openkeeper.game.component.CreatureMeleeAttack;
 import toniarts.openkeeper.game.component.CreatureMood;
 import toniarts.openkeeper.game.component.CreatureSleep;
+import toniarts.openkeeper.game.component.CreatureSpell;
+import toniarts.openkeeper.game.component.CreatureSpells;
 import toniarts.openkeeper.game.component.CreatureTortured;
 import toniarts.openkeeper.game.component.CreatureViewState;
 import toniarts.openkeeper.game.component.Death;
@@ -303,6 +307,7 @@ private EntityId loadCreature(EntityId entity, Creature creature, String name, S
 
         // Set every attribute by the level of the created creature
         setAttributesByLevel(creatureComponent, creatureExperience, healthComponent, goldComponent, sensesComponent, threatComponent, creatureMeleeAttack, regeneration);
+        setSpells(entity, creature, level);
 
         entityData.setComponent(entity, creatureComponent);
         entityData.setComponent(entity, creatureExperience);
@@ -445,6 +450,7 @@ public void levelUpCreature(EntityId entityId, int level, int experience) {
 
         // Update stats
         setAttributesByLevel(creatureComponent, creatureExperience, health, gold, senses, threat, creatureMeleeAttack, regeneration);
+        setSpells(entityId, kwdFile.getCreature(creatureComponent.creatureId), level);
 
         // Set the new components to the entity
         entityData.setComponents(entityId, creatureComponent, creatureExperience, health, gold, senses, threat, creatureMeleeAttack);
@@ -558,7 +564,7 @@ public ICreatureController createController(EntityId entityId) {
     }
 
     private ICreatureController createCreatureController(EntityId id, CreatureComponent creatureComponent) {
-        return new CreatureController(id, entityData, kwdFile.getCreature(creatureComponent.creatureId), gameController.getNavigationService(), gameController.getTaskManager(), gameTimer, gameSettings, this, gameController.getEntityLookupService(), mapController, levelInfo, gameController.getGameWorldController().getObjectsController());
+        return new CreatureController(id, entityData, kwdFile.getCreature(creatureComponent.creatureId), gameController.getNavigationService(), gameController.getTaskManager(), gameTimer, gameSettings, this, gameController.getEntityLookupService(), mapController, levelInfo, gameController.getGameWorldController().getObjectsController(), gameController.getGameWorldController().getShotsController());
     }
 
     @Override
@@ -587,4 +593,46 @@ public void turnCreatureIntoAnother(EntityId entityId, short playerId, short cre
         loadCreature(newEntityId, kwdFile.getCreature(creatureId), creatureComponent.name, creatureComponent.bloodType, 100, 0, 1, SpawnType.PLACE, position.position.x, position.position.z, playerId, position.rotation, null, (short) 0, 0, trigger != null ? trigger.triggerId : null);
     }
 
+    private void setSpells(EntityId entityId, Creature creature, int level) {
+
+        // Get the spells the creature should have
+        Map<Short, toniarts.openkeeper.tools.convert.map.CreatureSpell> availableSpells = creature.getSpells()
+                .stream()
+                .filter((spell) -> spell.getLevelAvailable() >= level)
+                .collect(Collectors.toMap((spell) -> spell.getCreatureSpellId(), (spell) -> kwdFile.getCreatureSpellById(spell.getCreatureSpellId())));
+        List<EntityId> creatureSpellIds = new ArrayList<>(availableSpells.size());
+        boolean spellsChanged = false;
+
+        // ... and compare it to the list we have
+        CreatureSpells creatureSpells = entityData.getComponent(entityId, CreatureSpells.class);
+        List<EntityId> ownedSpells = creatureSpells != null ? creatureSpells.creatureSpells : Collections.emptyList();
+
+        // Remove all spells we should not have
+        for (EntityId spellEntityId : ownedSpells) {
+            CreatureSpell spell = entityData.getComponent(spellEntityId, CreatureSpell.class);
+            if (availableSpells.containsKey(spell.creatureSpellId)) {
+                availableSpells.remove(spell.creatureSpellId);
+                creatureSpellIds.add(spellEntityId);
+            } else {
+                entityData.removeEntity(spellEntityId);
+                spellsChanged = true;
+            }
+        }
+
+        // All that is left is to add the remaining spells to the creature
+        for (toniarts.openkeeper.tools.convert.map.CreatureSpell spell : availableSpells.values()) {
+            EntityId spellEntity = entityData.createEntity();
+            entityData.setComponent(spellEntity, new CreatureSpell(spell.getCreatureSpellId(), entityId, spell.getRechargeTime(), spell.getRange()));
+            creatureSpellIds.add(spellEntity);
+            spellsChanged = true;
+        }
+
+        // Update the creature spell catalog
+        if (creatureSpellIds.isEmpty()) {
+            entityData.removeComponent(entityId, CreatureSpells.class);
+        } else if (spellsChanged) {
+            entityData.setComponent(entityId, new CreatureSpells(creatureSpellIds));
+        }
+    }
+
 }

src/toniarts/openkeeper/game/controller/GameWorldController.java

@@ -928,7 +928,7 @@ public void castKeeperSpell(short keeperSpellId, EntityId target, Point tile, Ve
         boolean spellUpgraded = researchableEntity.isUpgraded();
         int shotData1 = spellUpgraded ? keeperSpell.getBonusShotData1() : keeperSpell.getShotData1();
         int shotData2 = spellUpgraded ? keeperSpell.getBonusShotData2() : keeperSpell.getShotData2();
-        shotsController.createShot(keeperSpell.getShotTypeId(), shotData1, shotData2, playerId, position, target);
+        shotsController.createShot(keeperSpell.getShotTypeId(), shotData1, shotData2, playerId, WorldUtils.vector2fToVector3(position), target);
     }
 
     @Override
@@ -995,6 +995,11 @@ public ITrapsController getTrapsController() {
         return trapsController;
     }
 
+    @Override
+    public IShotsController getShotsController() {
+        return shotsController;
+    }
+
     public void setEntityPositionLookup(IEntityPositionLookup entityPositionLookup) {
         this.entityPositionLookup = entityPositionLookup;
     }

src/toniarts/openkeeper/game/controller/IGameWorldController.java

@@ -154,6 +154,13 @@ public interface IGameWorldController {
      */
     public IObjectsController getObjectsController();
 
+    /**
+     * Get the shots controller
+     *
+     * @return shots controller
+     */
+    public IShotsController getShotsController();
+
     /**
      * Cast a keeper spell on target / location
      *

src/toniarts/openkeeper/game/controller/IShotsController.java

@@ -16,7 +16,7 @@
  */
 package toniarts.openkeeper.game.controller;
 
-import com.jme3.math.Vector2f;
+import com.jme3.math.Vector3f;
 import com.simsilica.es.EntityId;
 
 /**
@@ -33,10 +33,10 @@ public interface IShotsController {
      * @param shotTypeId shot type to create
      * @param shotData1 arbitrary value, interpreted per shot
      * @param shotData2 arbitrary value, interpreted per shot
-     * @param playerId owher of the shot
-     * @param position 2D coordinate of the shot origin
+     * @param playerId owner of the shot
+     * @param position coordinate of the shot origin
      * @param target shot target, can be null
      */
-    public void createShot(short shotTypeId, int shotData1, int shotData2, short playerId, Vector2f position, EntityId target);
+    public void createShot(short shotTypeId, int shotData1, int shotData2, short playerId, Vector3f position, EntityId target);
 
 }

src/toniarts/openkeeper/game/controller/ShotsController.java

@@ -16,7 +16,7 @@
  */
 package toniarts.openkeeper.game.controller;
 
-import com.jme3.math.Vector2f;
+import com.jme3.math.Vector3f;
 import com.simsilica.es.EntityData;
 import com.simsilica.es.EntityId;
 import java.lang.System.Logger;
@@ -29,6 +29,7 @@
 import static toniarts.openkeeper.tools.convert.map.Shot.ProcessType.MODIFY_HEALTH;
 import static toniarts.openkeeper.tools.convert.map.Shot.ProcessType.POSSESS_CREATURE;
 import toniarts.openkeeper.tools.convert.map.Variable;
+import toniarts.openkeeper.utils.WorldUtils;
 
 /**
  *
@@ -62,11 +63,11 @@ public ShotsController(KwdFile kwdFile, EntityData entityData, Map<Variable.Misc
     }
 
     @Override
-    public void createShot(short shotTypeId, int shotData1, int shotData2, short playerId, Vector2f position, EntityId target) {
+    public void createShot(short shotTypeId, int shotData1, int shotData2, short playerId, Vector3f position, EntityId target) {
         Shot shot = kwdFile.getShotById(shotTypeId);
         switch (shot.getProcessType()) {
             case CREATE_CREATURE -> {
-                creaturesController.spawnCreature((short) shotData1, playerId, shotData2, position, ICreaturesController.SpawnType.CONJURE);
+                creaturesController.spawnCreature((short) shotData1, playerId, shotData2, WorldUtils.vector3fToVector2f(position), ICreaturesController.SpawnType.CONJURE);
             }
             case CREATE_OBJECT -> {
                 objectsController.loadObject((short) shotData1, playerId, position, 0);