Gridarta Editor
AttributeGameObjectMatcher.java
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1 /*
2  * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
3  * Copyright (C) 2000-2023 The Gridarta Developers.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 package net.sf.gridarta.model.match;
21 
23 import org.jetbrains.annotations.NotNull;
24 
30 public abstract class AttributeGameObjectMatcher implements GameObjectMatcher {
31 
35  private static final long serialVersionUID = 1L;
36 
41  @NotNull
42  private final Operation operation;
43 
48  protected AttributeGameObjectMatcher(@NotNull final Operation operation) {
49  this.operation = operation;
50  }
51 
52  @Override
53  public boolean isMatching(@NotNull final GameObject<?, ?, ?> gameObject) {
54  final int ret = compareValue(gameObject);
55  switch (operation) {
56  case eq:
57  return ret == 0;
58  case ne:
59  return ret != 0;
60  case le:
61  return ret < 0;
62  case lt:
63  return ret <= 0;
64  case ge:
65  return ret >= 0;
66  case gt:
67  return ret > 0;
68  }
69  assert false;
70  throw new IllegalStateException("unsupported operation: " + operation);
71  }
72 
79  protected abstract int compareValue(@NotNull GameObject<?, ?, ?> gameObject);
80 
81 }
net.sf.gridarta
Base package of all Gridarta classes.
net.sf
net.sf.gridarta.model.match.AttributeGameObjectMatcher
An GameObjectMatcher that matches a attribute value.
Definition: AttributeGameObjectMatcher.java:30
net.sf.gridarta.model.match.GameObjectMatcher
Interface for classes that match GameObjects.
Definition: GameObjectMatcher.java:30
net.sf.gridarta.model.gameobject.GameObject
Reflects a game object (object on a map).
Definition: GameObject.java:36
net.sf.gridarta.model.match.AttributeGameObjectMatcher.serialVersionUID
static final long serialVersionUID
The serial version UID.
Definition: AttributeGameObjectMatcher.java:35
net.sf.gridarta.model.match.Operation
Operator.
Definition: Operation.java:27
net.sf.gridarta.model.gameobject
GameObjects are the objects based on Archetypes found on maps.
Definition: AbstractGameObject.java:20
net
net.sf.gridarta.model.match.AttributeGameObjectMatcher.compareValue
abstract int compareValue(@NotNull GameObject<?, ?, ?> gameObject)
Compares the attribute value of a given game object with the expected value.
net.sf.gridarta.model.match.AttributeGameObjectMatcher.isMatching
boolean isMatching(@NotNull final GameObject<?, ?, ?> gameObject)
Matches a GameObject.
Definition: AttributeGameObjectMatcher.java:53
net.sf.gridarta.model.match.AttributeGameObjectMatcher.operation
final Operation operation
The operator to use.
Definition: AttributeGameObjectMatcher.java:42
net.sf.gridarta.model
net.sf.gridarta.var.crossfire.model.gameobject.GameObject<?, ?, ?>
net.sf.gridarta.model.match.AttributeGameObjectMatcher.AttributeGameObjectMatcher
AttributeGameObjectMatcher(@NotNull final Operation operation)
Creates an.
Definition: AttributeGameObjectMatcher.java:48