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Add a rough implementation for NA/CA energy generation.

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ImmuState 2022-05-29 12:22:54 -07:00 committed by Melledy
parent 2eaf991bfb
commit 39b985b37c
2 changed files with 122 additions and 27 deletions
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148
src/main/java/emu/grasscutter/game/managers/EnergyManager/EnergyManager.java
View File

@ -17,10 +17,14 @@ import emu.grasscutter.game.player.Player;
import emu.grasscutter.game.props.ElementType;
import emu.grasscutter.game.props.FightProperty;
import emu.grasscutter.net.proto.AbilityActionGenerateElemBallOuterClass.AbilityActionGenerateElemBall;
import emu.grasscutter.net.proto.AbilityIdentifierOuterClass.AbilityIdentifier;
import emu.grasscutter.net.proto.AbilityInvokeEntryOuterClass.AbilityInvokeEntry;
import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
import emu.grasscutter.net.proto.EvtBeingHitInfoOuterClass.EvtBeingHitInfo;
import emu.grasscutter.net.proto.PropChangeReasonOuterClass.PropChangeReason;
import emu.grasscutter.server.game.GameSession;
import emu.grasscutter.utils.Position;
import it.unimi.dsi.fastutil.ints.Int2IntMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
@ -29,9 +33,12 @@ import static emu.grasscutter.Configuration.GAME_OPTIONS;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ThreadLocalRandom;
import static java.util.Map.entry;
import com.google.gson.reflect.TypeToken;
import com.google.protobuf.InvalidProtocolBufferException;
@ -43,6 +50,7 @@ public class EnergyManager {
public EnergyManager(Player player) {
this.player = player;
this.avatarNormalProbabilities = new HashMap<>();
}
public Player getPlayer() {
@ -82,32 +90,6 @@ public class EnergyManager {
/**********
Particle creation for elemental skills.
**********/
private Optional<EntityAvatar> getCastingAvatarEntityForElemBall(int invokeEntityId) {
// To determine the avatar that has cast the skill that caused the energy particle to be generated,
// we have to look at the entity that has invoked the ability. This can either be that avatar directly,
// or it can be an `EntityClientGadget`, owned (some way up the owner hierarchy) by the avatar
// that cast the skill.
// Try to get the invoking entity from the scene.
GameEntity entity = player.getScene().getEntityById(invokeEntityId);
// Determine the ID of the entity that originally cast this skill. If the scene entity is null,
// or not an `EntityClientGadget`, we assume that we are directly looking at the casting avatar
// (the null case will happen if the avatar was switched out between casting the skill and the
// particle being generated). If the scene entity is an `EntityClientGadget`, we need to find the
// ID of the original owner of that gadget.
int avatarEntityId =
(!(entity instanceof EntityClientGadget))
? invokeEntityId
: ((EntityClientGadget)entity).getOriginalOwnerEntityId();
// Finally, find the avatar entity in the player's team.
return player.getTeamManager().getActiveTeam()
.stream()
.filter(character -> character.getId() == avatarEntityId)
.findFirst();
}
private int getBallCountForAvatar(int avatarId) {
// We default to two particles.
int count = 2;
@ -171,7 +153,7 @@ public class EnergyManager {
int amount = 2;
// Try to get the casting avatar from the player's party.
Optional<EntityAvatar> avatarEntity = getCastingAvatarEntityForElemBall(invoke.getEntityId());
Optional<EntityAvatar> avatarEntity = getCastingAvatarEntityForEnergy(invoke.getEntityId());
// Bug: invokes twice sometimes, Ayato, Keqing
// ToDo: deal with press, hold difference. deal with charge(Beidou, Yunjin)
@ -257,6 +239,92 @@ public class EnergyManager {
}
}
/**********
Energy generation for NAs/CAs.
**********/
private final static Map<String, Integer> initialNormalProbability = Map.ofEntries(
entry("WEAPON_SWORD_ONE_HAND", 10),
entry("WEAPON_BOW", 0),
entry("WEAPON_CLAYMORE", 0),
entry("WEAPON_POLE", 0),
entry("WEAPON_CATALYST", 0)
);
private final static Map<String, Integer> increaseNormalProbability = Map.ofEntries(
entry("WEAPON_SWORD_ONE_HAND", 5),
entry("WEAPON_BOW", 5),
entry("WEAPON_CLAYMORE", 10),
entry("WEAPON_POLE", 4),
entry("WEAPON_CATALYST", 10)
);
private final Map<EntityAvatar, Integer> avatarNormalProbabilities;
private void generateEnergyForNormalAndCharged(EntityAvatar avatar) {
// This logic is based on the descriptions given in
// https://genshin-impact.fandom.com/wiki/Energy#Energy_Generated_by_Normal_Attacks
// https://library.keqingmains.com/combat-mechanics/energy#auto-attacking
// Those descriptions are lacking in some information, so this implementation most likely
// does not fully replicate the behavior of the official server. Open questions:
// - Does the probability for a character reset after some time?
// - Does the probability for a character reset when switching them out?
// - Does this really count every individual hit separately?
// Make sure the avatar's weapon type makes sense.
String weaponType = avatar.getAvatar().getAvatarData().getWeaponType();
if (!initialNormalProbability.containsKey(weaponType)) {
return;
}
// Check if we already have probability data for this avatar. If not, insert it.
if (!this.avatarNormalProbabilities.containsKey(avatar)) {
this.avatarNormalProbabilities.put(avatar, initialNormalProbability.get(weaponType));
}
// Roll for energy.
int currentProbability = this.avatarNormalProbabilities.get(avatar);
int roll = ThreadLocalRandom.current().nextInt(0, 100);
// If the player wins the roll, we increase the avatar's energy and reset the probability.
if (roll < currentProbability) {
avatar.addEnergy(1.0f, PropChangeReason.PROP_CHANGE_REASON_ABILITY, false);
this.avatarNormalProbabilities.put(avatar, initialNormalProbability.get(weaponType));
}
// Otherwise, we increase the probability for the next hit.
else {
this.avatarNormalProbabilities.put(avatar, currentProbability + increaseNormalProbability.get(weaponType));
}
}
public void handleAttackHit(EvtBeingHitInfo hitInfo) {
// Get the attack result.
AttackResult attackRes = hitInfo.getAttackResult();
// Make sure the attack was performed by the currently active avatar. If not, we ignore the hit.
Optional<EntityAvatar> attackerEntity = this.getCastingAvatarEntityForEnergy(attackRes.getAttackerId());
if (attackerEntity.isEmpty() || this.player.getTeamManager().getCurrentAvatarEntity().getId() != attackerEntity.get().getId()) {
return;
}
// Get the ability that caused this hit.
AbilityIdentifier ability = attackRes.getAbilityIdentifier();
// Make sure there is no actual "ability" associated with the hit. For now, this is how we
// identify normal and charged attacks. Note that this is not completely accurate:
// - Many character's charged attacks have an ability associated with them. This means that,
// for now, we don't identify charged attacks reliably.
// - There might also be some cases where we incorrectly identify something as a normal or
// charged attack that is not (Diluc's E?).
// - Catalyst normal attacks have an ability, so we don't handle those for now.
// ToDo: Fix all of that.
if (ability != AbilityIdentifier.getDefaultInstance()) {
return;
}
// Handle the energy generation.
this.generateEnergyForNormalAndCharged(attackerEntity.get());
}
/**********
Energy logic related to using skills.
**********/
@ -346,4 +414,30 @@ public class EnergyManager {
EntityItem energyBall = new EntityItem(this.getPlayer().getScene(), this.getPlayer(), itemData, position, count);
this.getPlayer().getScene().addEntity(energyBall);
}
private Optional<EntityAvatar> getCastingAvatarEntityForEnergy(int invokeEntityId) {
// To determine the avatar that has cast the skill that caused the energy particle to be generated,
// we have to look at the entity that has invoked the ability. This can either be that avatar directly,
// or it can be an `EntityClientGadget`, owned (some way up the owner hierarchy) by the avatar
// that cast the skill.
// Try to get the invoking entity from the scene.
GameEntity entity = player.getScene().getEntityById(invokeEntityId);
// Determine the ID of the entity that originally cast this skill. If the scene entity is null,
// or not an `EntityClientGadget`, we assume that we are directly looking at the casting avatar
// (the null case will happen if the avatar was switched out between casting the skill and the
// particle being generated). If the scene entity is an `EntityClientGadget`, we need to find the
// ID of the original owner of that gadget.
int avatarEntityId =
(!(entity instanceof EntityClientGadget))
? invokeEntityId
: ((EntityClientGadget)entity).getOriginalOwnerEntityId();
// Finally, find the avatar entity in the player's team.
return player.getTeamManager().getActiveTeam()
.stream()
.filter(character -> character.getId() == avatarEntityId)
.findFirst();
}
}

1
src/main/java/emu/grasscutter/server/packet/recv/HandlerCombatInvocationsNotify.java
View File

@ -32,6 +32,7 @@ public class HandlerCombatInvocationsNotify extends PacketHandler {
// Handle damage
EvtBeingHitInfo hitInfo = EvtBeingHitInfo.parseFrom(entry.getCombatData());
session.getPlayer().getAttackResults().add(hitInfo.getAttackResult());
session.getPlayer().getEnergyManager().handleAttackHit(hitInfo);
break;
case COMBAT_TYPE_ARGUMENT_ENTITY_MOVE:
// Handle movement