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Update StaminaManager

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This commit is contained in:
gentlespoon 2022-05-08 04:02:45 -07:00 committed by Melledy
parent a09723f07d
commit d78348522e
6 changed files with 327 additions and 95 deletions
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12
src/main/java/emu/grasscutter/game/managers/StaminaManager/AfterUpdateStaminaListener.java Normal file
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@ -0,0 +1,12 @@
package emu.grasscutter.game.managers.StaminaManager;
public interface AfterUpdateStaminaListener {
/**
* onBeforeUpdateStamina() will be called before StaminaManager attempt to update the player's current stamina.
* This gives listeners a chance to intercept this update.
*
* @param reason Why updating stamina.
* @param newStamina New Stamina value.
*/
void onAfterUpdateStamina(String reason, int newStamina);
}

20
src/main/java/emu/grasscutter/game/managers/StaminaManager/BeforeUpdateStaminaListener.java Normal file
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@ -0,0 +1,20 @@
package emu.grasscutter.game.managers.StaminaManager;
public interface BeforeUpdateStaminaListener {
/**
* onBeforeUpdateStamina() will be called before StaminaManager attempt to update the player's current stamina.
* This gives listeners a chance to intercept this update.
* @param reason Why updating stamina.
* @param newStamina New ABSOLUTE stamina value.
* @return true if you want to cancel this update, otherwise false.
*/
int onBeforeUpdateStamina(String reason, int newStamina);
/**
* onBeforeUpdateStamina() will be called before StaminaManager attempt to update the player's current stamina.
* This gives listeners a chance to intercept this update.
* @param reason Why updating stamina.
* @param consumption ConsumptionType and RELATIVE stamina change amount.
* @return true if you want to cancel this update, otherwise false.
*/
Consumption onBeforeUpdateStamina(String reason, Consumption consumption);
}

8
src/main/java/emu/grasscutter/game/managers/StaminaManager/ConsumptionType.java
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@ -10,10 +10,10 @@ public enum ConsumptionType {
SPRINT(-1800),
DASH(-360),
FLY(-60),
SWIM_DASH_START(-200),
SWIM_DASH(-200),
SWIMMING(-80),
FIGHT(0),
SWIM_DASH_START(-20),
SWIM_DASH(-204),
SWIMMING(-80), // TODO: Slow swimming is handled per movement, not per second. Movement frequency depends on gender/age/height.
FIGHT(0), // See StaminaManager.getFightConsumption()
// restore
STANDBY(500),

73
src/main/java/emu/grasscutter/game/managers/StaminaManager/README.md Normal file
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@ -0,0 +1,73 @@
# Stamina Manager
---
## UpdateStamina
```java
// will use consumption.consumptionType as reason
public int updateStaminaRelative(GameSession session, Consumption consumption);
```
```java
public int updateStaminaAbsolute(GameSession session, String reason, int newStamina)
```
---
## Pause and Resume
```java
public void startSustainedStaminaHandler()
```
```java
public void stopSustainedStaminaHandler()
```
---
## Stamina change listeners and intercepting
### BeforeUpdateStaminaListener
```java
import emu.grasscutter.game.managers.StaminaManager.BeforeUpdateStaminaListener;
// Listener sample: plugin disable CLIMB_JUMP stamina cost.
private class MyClass implements BeforeUpdateStaminaListener {
// Make your class implement the listener, and pass in your class as a listener.
public MyClass() {
getStaminaManager().registerBeforeUpdateStaminaListener("myClass", this);
}
@Override
public boolean onBeforeUpdateStamina(String reason, int newStamina) {
// do not intercept this update
return false;
}
@Override
public boolean onBeforeUpdateStamina(String reason, Consumption consumption) {
// Try to intercept if this update is CLIMB_JUMP
if (consumption.consumptionType == ConsumptionType.CLIMB_JUMP) {
return true;
}
// If it is not CLIMB_JUMP, do not intercept.
return false;
}
}
```
### AfterUpdateStaminaListener
```java
import emu.grasscutter.game.managers.StaminaManager.AfterUpdateStaminaListener;
// Listener sample: plugin listens for changes already made.
private class MyClass implements AfterUpdateStaminaListener {
// Make your class implement the listener, and pass in your class as a listener.
public MyClass() {
registerAfterUpdateStaminaListener("myClass", this);
}
@Override
public void onAfterUpdateStamina(String reason, int newStamina) {
// ...
}
}
```

265
src/main/java/emu/grasscutter/game/managers/StaminaManager/StaminaManager.java
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@ -33,94 +33,170 @@ public class StaminaManager {
private GameSession cachedSession = null;
private GameEntity cachedEntity = null;
private int staminaRecoverDelay = 0;
private boolean isInSkillMove = false;
public boolean getIsInSkillMove() {
return isInSkillMove;
}
public void setIsInSkillMove(boolean b) {
isInSkillMove = b;
}
private HashMap<String, BeforeUpdateStaminaListener> beforeUpdateStaminaListeners = new HashMap<>();
private HashMap<String, AfterUpdateStaminaListener> afterUpdateStaminaListeners = new HashMap<>();
public StaminaManager(Player player) {
this.player = player;
MotionStatesCategorized.put("SWIM", new HashSet<>(Arrays.asList(
MotionState.MOTION_SWIM_MOVE,
MotionState.MOTION_SWIM_IDLE,
MotionState.MOTION_SWIM_DASH,
MotionState.MOTION_SWIM_JUMP
MotionState.MOTION_SWIM_MOVE,
MotionState.MOTION_SWIM_IDLE,
MotionState.MOTION_SWIM_DASH,
MotionState.MOTION_SWIM_JUMP
)));
MotionStatesCategorized.put("STANDBY", new HashSet<>(Arrays.asList(
MotionState.MOTION_STANDBY,
MotionState.MOTION_STANDBY_MOVE,
MotionState.MOTION_DANGER_STANDBY,
MotionState.MOTION_DANGER_STANDBY_MOVE,
MotionState.MOTION_LADDER_TO_STANDBY,
MotionState.MOTION_JUMP_UP_WALL_FOR_STANDBY
MotionState.MOTION_STANDBY,
MotionState.MOTION_STANDBY_MOVE,
MotionState.MOTION_DANGER_STANDBY,
MotionState.MOTION_DANGER_STANDBY_MOVE,
MotionState.MOTION_LADDER_TO_STANDBY,
MotionState.MOTION_JUMP_UP_WALL_FOR_STANDBY
)));
MotionStatesCategorized.put("CLIMB", new HashSet<>(Arrays.asList(
MotionState.MOTION_CLIMB,
MotionState.MOTION_CLIMB_JUMP,
MotionState.MOTION_STANDBY_TO_CLIMB,
MotionState.MOTION_LADDER_IDLE,
MotionState.MOTION_LADDER_MOVE,
MotionState.MOTION_LADDER_SLIP,
MotionState.MOTION_STANDBY_TO_LADDER
MotionState.MOTION_CLIMB,
MotionState.MOTION_CLIMB_JUMP,
MotionState.MOTION_STANDBY_TO_CLIMB,
MotionState.MOTION_LADDER_IDLE,
MotionState.MOTION_LADDER_MOVE,
MotionState.MOTION_LADDER_SLIP,
MotionState.MOTION_STANDBY_TO_LADDER
)));
MotionStatesCategorized.put("FLY", new HashSet<>(Arrays.asList(
MotionState.MOTION_FLY,
MotionState.MOTION_FLY_IDLE,
MotionState.MOTION_FLY_SLOW,
MotionState.MOTION_FLY_FAST,
MotionState.MOTION_POWERED_FLY
MotionState.MOTION_FLY,
MotionState.MOTION_FLY_IDLE,
MotionState.MOTION_FLY_SLOW,
MotionState.MOTION_FLY_FAST,
MotionState.MOTION_POWERED_FLY
)));
MotionStatesCategorized.put("RUN", new HashSet<>(Arrays.asList(
MotionState.MOTION_DASH,
MotionState.MOTION_DANGER_DASH,
MotionState.MOTION_DASH_BEFORE_SHAKE,
MotionState.MOTION_RUN,
MotionState.MOTION_DANGER_RUN,
MotionState.MOTION_WALK,
MotionState.MOTION_DANGER_WALK
MotionState.MOTION_DASH,
MotionState.MOTION_DANGER_DASH,
MotionState.MOTION_DASH_BEFORE_SHAKE,
MotionState.MOTION_RUN,
MotionState.MOTION_DANGER_RUN,
MotionState.MOTION_WALK,
MotionState.MOTION_DANGER_WALK
)));
MotionStatesCategorized.put("FIGHT", new HashSet<>(Arrays.asList(
MotionState.MOTION_FIGHT
MotionState.MOTION_FIGHT
)));
MotionStatesCategorized.put("SKIFF", new HashSet<>(Arrays.asList(
MotionState.MOTION_SKIFF_BOARDING,
MotionState.MOTION_SKIFF_NORMAL,
MotionState.MOTION_SKIFF_DASH,
MotionState.MOTION_SKIFF_POWERED_DASH
)));
}
// Listeners
public boolean registerBeforeUpdateStaminaListener(String listenerName, BeforeUpdateStaminaListener listener) {
if (beforeUpdateStaminaListeners.containsKey(listenerName)) {
return false;
}
beforeUpdateStaminaListeners.put(listenerName, listener);
return true;
}
public boolean unregisterBeforeUpdateStaminaListener(String listenerName) {
if (!beforeUpdateStaminaListeners.containsKey(listenerName)) {
return false;
}
beforeUpdateStaminaListeners.remove(listenerName);
return true;
}
public boolean registerAfterUpdateStaminaListener(String listenerName, AfterUpdateStaminaListener listener) {
if (afterUpdateStaminaListeners.containsKey(listenerName)) {
return false;
}
afterUpdateStaminaListeners.put(listenerName, listener);
return true;
}
public boolean unregisterAfterUpdateStaminaListener(String listenerName) {
if (!afterUpdateStaminaListeners.containsKey(listenerName)) {
return false;
}
afterUpdateStaminaListeners.remove(listenerName);
return true;
}
private boolean isPlayerMoving() {
float diffX = currentCoordinates.getX() - previousCoordinates.getX();
float diffY = currentCoordinates.getY() - previousCoordinates.getY();
float diffZ = currentCoordinates.getZ() - previousCoordinates.getZ();
Grasscutter.getLogger().debug("isPlayerMoving: " + previousCoordinates + ", " + currentCoordinates +
Grasscutter.getLogger().trace("isPlayerMoving: " + previousCoordinates + ", " + currentCoordinates +
", " + diffX + ", " + diffY + ", " + diffZ);
return Math.abs(diffX) > 0.3 || Math.abs(diffY) > 0.2 || Math.abs(diffZ) > 0.3;
}
// Returns new stamina and sends PlayerPropNotify
public int updateStamina(GameSession session, Consumption consumption) {
public int updateStaminaRelative(GameSession session, Consumption consumption) {
int currentStamina = player.getProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA);
if (consumption.amount == 0) {
return currentStamina;
}
// notify will update
for (Map.Entry<String, BeforeUpdateStaminaListener> listener : beforeUpdateStaminaListeners.entrySet()) {
Consumption overriddenConsumption = listener.getValue().onBeforeUpdateStamina(consumption.consumptionType.toString(), consumption);
if ((overriddenConsumption.consumptionType != consumption.consumptionType) && (overriddenConsumption.amount != consumption.amount)) {
Grasscutter.getLogger().debug("[StaminaManager] Stamina update relative(" +
consumption.consumptionType.toString() + ", " + consumption.amount + ") overridden to relative(" +
consumption.consumptionType.toString() + ", " + consumption.amount + ") by: " + listener.getKey());
return currentStamina;
}
}
int playerMaxStamina = player.getProperty(PlayerProperty.PROP_MAX_STAMINA);
Grasscutter.getLogger().debug(currentStamina + "/" + playerMaxStamina + "\t" + currentState + "\t" +
Grasscutter.getLogger().trace(currentStamina + "/" + playerMaxStamina + "\t" + currentState + "\t" +
(isPlayerMoving() ? "moving" : " ") + "\t(" + consumption.consumptionType + "," +
consumption.amount + ")");
int newStamina = currentStamina + consumption.amount;
if (newStamina < 0) {
newStamina = 0;
}
if (newStamina > playerMaxStamina) {
} else if (newStamina > playerMaxStamina) {
newStamina = playerMaxStamina;
}
return setStamina(session, consumption.consumptionType.toString(), newStamina);
}
public int updateStaminaAbsolute(GameSession session, String reason, int newStamina) {
int currentStamina = player.getProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA);
// notify will update
for (Map.Entry<String, BeforeUpdateStaminaListener> listener : beforeUpdateStaminaListeners.entrySet()) {
int overriddenNewStamina = listener.getValue().onBeforeUpdateStamina(reason, newStamina);
if (overriddenNewStamina != newStamina) {
Grasscutter.getLogger().debug("[StaminaManager] Stamina update absolute(" +
reason + ", " + newStamina + ") overridden to absolute(" +
reason + ", " + newStamina + ") by: " + listener.getKey());
return currentStamina;
}
}
int playerMaxStamina = player.getProperty(PlayerProperty.PROP_MAX_STAMINA);
if (newStamina < 0) {
newStamina = 0;
} else if (newStamina > playerMaxStamina) {
newStamina = playerMaxStamina;
}
return setStamina(session, reason, newStamina);
}
// Returns new stamina and sends PlayerPropNotify
public int setStamina(GameSession session, String reason, int newStamina) {
// set stamina
player.setProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA, newStamina);
session.send(new PacketPlayerPropNotify(player, PlayerProperty.PROP_CUR_PERSIST_STAMINA));
// notify updated
for (Map.Entry<String, AfterUpdateStaminaListener> listener : afterUpdateStaminaListeners.entrySet()) {
listener.getValue().onAfterUpdateStamina(reason, newStamina);
}
return newStamina;
}
@ -141,7 +217,7 @@ public class StaminaManager {
if (!player.isPaused() && sustainedStaminaHandlerTimer == null) {
sustainedStaminaHandlerTimer = new Timer();
sustainedStaminaHandlerTimer.scheduleAtFixedRate(new SustainedStaminaHandler(), 0, 200);
// Grasscutter.getLogger().debug("[MovementManager] SustainedStaminaHandlerTimer started");
Grasscutter.getLogger().debug("[MovementManager] SustainedStaminaHandlerTimer started");
}
}
@ -149,7 +225,7 @@ public class StaminaManager {
if (sustainedStaminaHandlerTimer != null) {
sustainedStaminaHandlerTimer.cancel();
sustainedStaminaHandlerTimer = null;
// Grasscutter.getLogger().debug("[MovementManager] SustainedStaminaHandlerTimer stopped");
Grasscutter.getLogger().debug("[MovementManager] SustainedStaminaHandlerTimer stopped");
}
}
@ -188,17 +264,17 @@ public class StaminaManager {
switch (motionState) {
case MOTION_DASH_BEFORE_SHAKE:
if (previousState != MotionState.MOTION_DASH_BEFORE_SHAKE) {
updateStamina(session, new Consumption(ConsumptionType.SPRINT));
updateStaminaRelative(session, new Consumption(ConsumptionType.SPRINT));
}
break;
case MOTION_CLIMB_JUMP:
if (previousState != MotionState.MOTION_CLIMB_JUMP) {
updateStamina(session, new Consumption(ConsumptionType.CLIMB_JUMP));
updateStaminaRelative(session, new Consumption(ConsumptionType.CLIMB_JUMP));
}
break;
case MOTION_SWIM_DASH:
if (previousState != MotionState.MOTION_SWIM_DASH) {
updateStamina(session, new Consumption(ConsumptionType.SWIM_DASH_START));
updateStaminaRelative(session, new Consumption(ConsumptionType.SWIM_DASH_START));
}
break;
}
@ -206,7 +282,7 @@ public class StaminaManager {
private void handleImmediateStamina(GameSession session, EvtDoSkillSuccNotify notify) {
Consumption consumption = getFightConsumption(notify.getSkillId());
updateStamina(session, consumption);
updateStaminaRelative(session, consumption);
}
private class SustainedStaminaHandler extends TimerTask {
@ -216,22 +292,30 @@ public class StaminaManager {
int currentStamina = player.getProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA);
int maxStamina = player.getProperty(PlayerProperty.PROP_MAX_STAMINA);
if (moving || (currentStamina < maxStamina)) {
Grasscutter.getLogger().debug("Player moving: " + moving + ", stamina full: " +
Grasscutter.getLogger().trace("Player moving: " + moving + ", stamina full: " +
(currentStamina >= maxStamina) + ", recalculate stamina");
Consumption consumption = new Consumption(ConsumptionType.None);
if (!isInSkillMove) {
if (MotionStatesCategorized.get("CLIMB").contains(currentState)) {
consumption = getClimbSustainedConsumption();
} else if (MotionStatesCategorized.get("SWIM").contains((currentState))) {
consumption = getSwimSustainedConsumptions();
} else if (MotionStatesCategorized.get("RUN").contains(currentState)) {
consumption = getRunWalkDashSustainedConsumption();
} else if (MotionStatesCategorized.get("FLY").contains(currentState)) {
consumption = getFlySustainedConsumption();
} else if (MotionStatesCategorized.get("STANDBY").contains(currentState)) {
consumption = getStandSustainedConsumption();
}
if (MotionStatesCategorized.get("CLIMB").contains(currentState)) {
consumption = getClimbSustainedConsumption();
} else if (MotionStatesCategorized.get("SWIM").contains((currentState))) {
consumption = getSwimSustainedConsumptions();
} else if (MotionStatesCategorized.get("RUN").contains(currentState)) {
consumption = getRunWalkDashSustainedConsumption();
} else if (MotionStatesCategorized.get("FLY").contains(currentState)) {
consumption = getFlySustainedConsumption();
} else if (MotionStatesCategorized.get("STANDBY").contains(currentState)) {
consumption = getStandSustainedConsumption();
}
/*
TODO: Reductions that apply to all motion types:
Elemental Resonance
Wind: -15%
Skills
Diona E: -10% while shield lasts
Barbara E: -12% while lasts
*/
if (cachedSession != null) {
if (consumption.amount < 0) {
staminaRecoverDelay = 0;
@ -241,12 +325,12 @@ public class StaminaManager {
if (staminaRecoverDelay < 10) {
// For others recover after 2 seconds (10 ticks) - as official server does.
staminaRecoverDelay++;
consumption = new Consumption(ConsumptionType.None);
consumption.amount = 0;
Grasscutter.getLogger().trace("[StaminaManager] Delaying recovery: " + staminaRecoverDelay);
}
}
updateStamina(cachedSession, consumption);
updateStaminaRelative(cachedSession, consumption);
}
handleDrowning();
}
}
previousState = currentState;
@ -261,10 +345,9 @@ public class StaminaManager {
private void handleDrowning() {
int stamina = player.getProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA);
if (stamina < 10) {
boolean isSwimming = MotionStatesCategorized.get("SWIM").contains(currentState);
Grasscutter.getLogger().debug(player.getProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA) + "/" +
player.getProperty(PlayerProperty.PROP_MAX_STAMINA) + "\t" + currentState + "\t" + isSwimming);
if (isSwimming && currentState != MotionState.MOTION_SWIM_IDLE) {
Grasscutter.getLogger().trace(player.getProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA) + "/" +
player.getProperty(PlayerProperty.PROP_MAX_STAMINA) + "\t" + currentState);
if (currentState != MotionState.MOTION_SWIM_IDLE) {
killAvatar(cachedSession, cachedEntity, PlayerDieType.PLAYER_DIE_DRAWN);
}
}
@ -272,7 +355,33 @@ public class StaminaManager {
// Consumption Calculators
// Stamina Consumption Reduction: https://genshin-impact.fandom.com/wiki/Stamina
private Consumption getFightConsumption(int skillCasting) {
/* TODO:
Instead of handling here, consider call StaminaManager.updateStamina****() with a Consumption object with
type=FIGHT and a modified amount when handling attacks for more accurate attack start/end time and
other info. Handling it here could be very complicated.
Charged attack
Default:
Polearm: (-2500)
Claymore: (-4000 per second, -800 each tick)
Catalyst: (-5000)
Talent:
Ningguang: When Ningguang is in possession of Star Jades, her Charged Attack does not consume Stamina. (Catalyst * 0)
Klee: When Jumpy Dumpty and Normal Attacks deal DMG, Klee has a 50% chance to obtain an Explosive Spark.
This Explosive Spark is consumed by the next Charged Attack, which costs no Stamina. (Catalyst * 0)
Constellations:
Hu Tao: While in a Paramita Papilio state activated by Guide to Afterlife, Hu Tao's Charge Attacks do not consume Stamina. (Polearm * 0)
Character Specific:
Keqing: (-2500)
Diluc: (Claymore * 0.5)
Talent Moving: (Those are skills too)
Ayaka: (-1000 initial) (-1500 per second) When the Cryo application at the end of Kamisato Art: Senho hits an opponent (+1000)
Mona: (-1000 initial) (-1500 per second)
*/
// TODO: Currently only handling Ayaka and Mona's talent moving initial costs.
Consumption consumption = new Consumption(ConsumptionType.None);
HashMap<Integer, Integer> fightingCost = new HashMap<>() {{
put(10013, -1000); // Kamisato Ayaka
@ -292,10 +401,12 @@ public class StaminaManager {
consumption = new Consumption(ConsumptionType.CLIMB_START);
}
}
// TODO: Foods
return consumption;
}
private Consumption getSwimSustainedConsumptions() {
handleDrowning();
Consumption consumption = new Consumption(ConsumptionType.None);
if (currentState == MotionState.MOTION_SWIM_MOVE) {
consumption = new Consumption(ConsumptionType.SWIMMING);
@ -310,6 +421,7 @@ public class StaminaManager {
Consumption consumption = new Consumption(ConsumptionType.None);
if (currentState == MotionState.MOTION_DASH) {
consumption = new Consumption(ConsumptionType.DASH);
// TODO: Foods
}
if (currentState == MotionState.MOTION_RUN) {
consumption = new Consumption(ConsumptionType.RUN);
@ -321,7 +433,12 @@ public class StaminaManager {
}
private Consumption getFlySustainedConsumption() {
// POWERED_FLY, e.g. wind tunnel
if (currentState == MotionState.MOTION_POWERED_FLY) {
return new Consumption(ConsumptionType.POWERED_FLY);
}
Consumption consumption = new Consumption(ConsumptionType.FLY);
// Talent
HashMap<Integer, Float> glidingCostReduction = new HashMap<>() {{
put(212301, 0.8f); // Amber
put(222301, 0.8f); // Venti
@ -330,15 +447,15 @@ public class StaminaManager {
for (EntityAvatar entity : cachedSession.getPlayer().getTeamManager().getActiveTeam()) {
for (int skillId : entity.getAvatar().getProudSkillList()) {
if (glidingCostReduction.containsKey(skillId)) {
reduction = glidingCostReduction.get(skillId);
float potentialLowerReduction = glidingCostReduction.get(skillId);
if (potentialLowerReduction < reduction) {
reduction = potentialLowerReduction;
}
}
}
}
consumption.amount *= reduction;
// POWERED_FLY, e.g. wind tunnel
if (currentState == MotionState.MOTION_POWERED_FLY) {
consumption = new Consumption(ConsumptionType.POWERED_FLY);
}
// TODO: Foods
return consumption;
}

44
src/main/java/emu/grasscutter/server/packet/recv/HandlerCombatInvocationsNotify.java
View File

@ -49,22 +49,23 @@ public class HandlerCombatInvocationsNotify extends PacketHandler {
session.getPlayer().getStaminaManager().handleCombatInvocationsNotify(session, moveInfo, entity);
// TODO: handle MOTION_FIGHT landing
// For plunge attacks, LAND_SPEED is always -30 and is not useful.
// May need the height when starting plunge attack.
// TODO: handle MOTION_FIGHT landing which has a different damage factor
// Also, for plunge attacks, LAND_SPEED is always -30 and is not useful.
// May need the height when starting plunge attack.
// MOTION_LAND_SPEED and MOTION_FALL_ON_GROUND arrive in different packets.
// Cache land speed for later use.
if (motionState == MotionState.MOTION_LAND_SPEED) {
cachedLandingSpeed = motionInfo.getSpeed().getY();
cachedLandingTimeMillisecond = System.currentTimeMillis();
monitorLandingEvent = true;
}
if (monitorLandingEvent) {
if (motionState == MotionState.MOTION_FALL_ON_GROUND) {
monitorLandingEvent = false;
handleFallOnGround(session, entity, motionState);
}
}
if (motionState == MotionState.MOTION_LAND_SPEED) {
// MOTION_LAND_SPEED and MOTION_FALL_ON_GROUND arrive in different packet. Cache land speed for later use.
cachedLandingSpeed = motionInfo.getSpeed().getY();
cachedLandingTimeMillisecond = System.currentTimeMillis();
monitorLandingEvent = true;
}
}
break;
default:
@ -84,33 +85,42 @@ public class HandlerCombatInvocationsNotify extends PacketHandler {
}
private void handleFallOnGround(GameSession session, GameEntity entity, MotionState motionState) {
// If not received immediately after MOTION_LAND_SPEED, discard this packet.
// People have reported that after plunge attack (client sends a FIGHT instead of FALL_ON_GROUND) they will die
// if they talk to an NPC (this is when the client sends a FALL_ON_GROUND) without jumping again.
// A dirty patch: if not received immediately after MOTION_LAND_SPEED, discard this packet.
// 200ms seems to be a reasonable delay.
int maxDelay = 200;
long actualDelay = System.currentTimeMillis() - cachedLandingTimeMillisecond;
Grasscutter.getLogger().debug("MOTION_FALL_ON_GROUND received after " + actualDelay + "/" + maxDelay + "ms." + (actualDelay > maxDelay ? " Discard" : ""));
Grasscutter.getLogger().trace("MOTION_FALL_ON_GROUND received after " + actualDelay + "/" + maxDelay + "ms." + (actualDelay > maxDelay ? " Discard" : ""));
if (actualDelay > maxDelay) {
return;
}
float currentHP = entity.getFightProperty(FightProperty.FIGHT_PROP_CUR_HP);
float maxHP = entity.getFightProperty(FightProperty.FIGHT_PROP_MAX_HP);
float damage = 0;
float damageFactor = 0;
if (cachedLandingSpeed < -23.5) {
damage = (float) (maxHP * 0.33);
damageFactor = 0.33f;
}
if (cachedLandingSpeed < -25) {
damage = (float) (maxHP * 0.5);
damageFactor = 0.5f;
}
if (cachedLandingSpeed < -26.5) {
damage = (float) (maxHP * 0.66);
damageFactor = 0.66f;
}
if (cachedLandingSpeed < -28) {
damage = (maxHP * 1);
damageFactor = 1f;
}
float damage = maxHP * damageFactor;
float newHP = currentHP - damage;
if (newHP < 0) {
newHP = 0;
}
Grasscutter.getLogger().debug(currentHP + "/" + maxHP + "\t" + "\tDamage: " + damage + "\tnewHP: " + newHP);
if (damageFactor > 0) {
Grasscutter.getLogger().debug(currentHP + "/" + maxHP + "\tLandingSpeed: " + cachedLandingSpeed +
"\tDamageFactor: " + damageFactor + "\tDamage: " + damage + "\tNewHP: " + newHP);
} else {
Grasscutter.getLogger().trace(currentHP + "/" + maxHP + "\tLandingSpeed: 0\tNo damage");
}
entity.setFightProperty(FightProperty.FIGHT_PROP_CUR_HP, newHP);
entity.getWorld().broadcastPacket(new PacketEntityFightPropUpdateNotify(entity, FightProperty.FIGHT_PROP_CUR_HP));
if (newHP == 0) {