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Refactor keeper casting validation to a util class
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src/toniarts/openkeeper/game/controller/KeeperSpellCastValidator.java
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| @@ -0,0 +1,144 @@ | ||
| /* | ||
| * 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.controller; | ||
|
|
||
| import com.simsilica.es.EntityData; | ||
| import com.simsilica.es.EntityId; | ||
| import toniarts.openkeeper.game.component.CreatureComponent; | ||
| import toniarts.openkeeper.game.component.Owner; | ||
| import toniarts.openkeeper.game.data.Keeper; | ||
| import toniarts.openkeeper.game.map.IMapInformation; | ||
| import toniarts.openkeeper.game.map.IMapTileInformation; | ||
| import toniarts.openkeeper.tools.convert.map.Creature; | ||
| import toniarts.openkeeper.tools.convert.map.KeeperSpell; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.CastRule.ANYWHERE; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.CastRule.ANY_LAND; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.CastRule.ENEMY_LAND; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.CastRule.OWN_AND_NEUTRAL_LAND; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.CastRule.OWN_LAND; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.ALL; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.ALL_CREATURES; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.ENEMY_CREATURES; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.LAND; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.NONE; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.OWN_CREATURES; | ||
| import static toniarts.openkeeper.tools.convert.map.KeeperSpell.TargetRule.POSESSION; | ||
| import toniarts.openkeeper.tools.convert.map.KwdFile; | ||
| import toniarts.openkeeper.tools.convert.map.Player; | ||
|
|
||
| /** | ||
| * Simple util class to check whether casting is allowed | ||
| * | ||
| * @author Toni Helenius <[email protected]> | ||
| */ | ||
| public final class KeeperSpellCastValidator { | ||
|
|
||
| private KeeperSpellCastValidator() { | ||
| // Nope | ||
| } | ||
|
|
||
| public static boolean isValidCast( | ||
| KeeperSpell keeperSpell, | ||
| KwdFile kwdFile, | ||
| IMapInformation mapInformation, | ||
| IMapTileInformation mapTile, | ||
| Keeper player, | ||
| EntityData entityData, | ||
| EntityId target) { | ||
| return checkCastRule(mapInformation, mapTile, keeperSpell, player) | ||
| && checkTargetRule(target, entityData, kwdFile, keeperSpell, player); | ||
| } | ||
|
|
||
| private static boolean checkTargetRule(EntityId target, EntityData entityData, KwdFile kwdFile, KeeperSpell keeperSpell, Keeper player) { | ||
| short playerId = player.getId(); | ||
| Creature creature = null; | ||
| Short owner = null; | ||
| if (target != null) { | ||
| CreatureComponent creatureComponent = entityData.getComponent(target, CreatureComponent.class); | ||
| if (creatureComponent != null) { | ||
| creature = kwdFile.getCreature(creatureComponent.creatureId); | ||
| } | ||
| Owner ownerComponent = entityData.getComponent(target, Owner.class); | ||
| if (ownerComponent != null) { | ||
| owner = ownerComponent.ownerId; | ||
| } | ||
| } | ||
|
|
||
| switch (keeperSpell.getTargetRule()) { | ||
| case ALL, LAND -> { | ||
| } | ||
| case NONE -> { | ||
| return false; | ||
| } | ||
| case ALL_CREATURES -> { | ||
| if (creature == null) { | ||
| return false; | ||
| } | ||
| } | ||
| case ENEMY_CREATURES -> { | ||
| if (owner == null) { | ||
| return false; | ||
| } | ||
| if (!player.isEnemy(owner)) { | ||
| return false; | ||
| } | ||
| } | ||
| case OWN_CREATURES, POSESSION -> { | ||
| if (creature == null || owner == null || owner != playerId) { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| private static boolean checkCastRule(IMapInformation mapInformation, IMapTileInformation mapTile, KeeperSpell keeperSpell, Keeper player) { | ||
| short playerId = player.getId(); | ||
| boolean isSolid = mapInformation.isSolid(mapTile.getLocation()); | ||
| switch (keeperSpell.getCastRule()) { | ||
| case OWN_LAND: { | ||
| if (isSolid || mapTile.getOwnerId() != playerId) { | ||
| return false; | ||
| } | ||
| break; | ||
| } | ||
| case OWN_AND_NEUTRAL_LAND: { | ||
| if (isSolid || mapTile.getOwnerId() != playerId || mapTile.getOwnerId() != Player.NEUTRAL_PLAYER_ID) { | ||
| return false; | ||
| } | ||
| break; | ||
| } | ||
| case ENEMY_LAND: { | ||
| if (isSolid || !player.isEnemy(mapTile.getOwnerId())) { | ||
| return false; | ||
| } | ||
| } | ||
| case ANY_LAND: | ||
| if (isSolid) { | ||
| return false; | ||
| } | ||
| case ANYWHERE: | ||
| break; | ||
| case NONE: | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| } |