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fix(Core/Player): Correct values for fall damage equation (#26022)

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This commit is contained in:
NoxMax
2026-06-03 02:50:34 -06:00
committed by GitHub
parent 36d6cce4bc
commit f32f6d422f
1 changed files with 12 additions and 12 deletions
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src/server/game/Entities/Player/Player.cpp
+12 -12
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@@ -13943,45 +13943,45 @@ InventoryResult Player::CanEquipUniqueItem(ItemTemplate const* itemProto, uint8
return EQUIP_ERR_OK;
}
static constexpr float FALL_DMG_EQU_SLOPE = 0.018f;
static constexpr float FALL_DMG_EQU_INTERCEPT = -0.2426f;
static constexpr float MIN_FALL_DMG_DIST = 13.48f; // Minimum fall distance that deals damage
// 13.48 can be calculated by resolving damageperc to 0 in the fall damage equation below, and assuming safe_fall reduction = 0
static constexpr uint32 SPELL_GUST_OF_WIND = 43621;
static constexpr uint32 SPELL_DIVINE_PROTECTION = 498;
void Player::HandleFall(MovementInfo const& movementInfo)
{
// calculate total z distance of the fall
float z_diff = m_lastFallZ - movementInfo.pos.GetPositionZ();
//Players with low fall distance, Feather Fall or physical immunity (charges used) are ignored
// 14.57 can be calculated by resolving damageperc formula below to 0
if (z_diff >= 14.57f && !isDead() && !IsGameMaster() && !GetCommandStatus(CHEAT_GOD) &&
if (z_diff >= MIN_FALL_DMG_DIST && !isDead() && !IsGameMaster() && !GetCommandStatus(CHEAT_GOD) &&
!HasHoverAura() && !HasFeatherFallAura() &&
!HasFlyAura())
{
//Safe fall, fall height reduction
int32 safe_fall = GetTotalAuraModifier(SPELL_AURA_SAFE_FALL);
float damageperc = 0.018f * (z_diff - safe_fall) - 0.2426f;
float damageperc = FALL_DMG_EQU_SLOPE * (z_diff - safe_fall) + FALL_DMG_EQU_INTERCEPT;
uint32 original_health = GetHealth(), final_damage = 0;
if (damageperc > 0 && !IsImmunedToDamageOrSchool(SPELL_SCHOOL_MASK_NORMAL))
{
uint32 damage = (uint32)(damageperc * GetMaxHealth() * sWorld->getRate(RATE_DAMAGE_FALL));
//float height = movementInfo.pos.m_positionZ;
//UpdateGroundPositionZ(movementInfo.pos.m_positionX, movementInfo.pos.m_positionY, height);
if (damage > 0)
{
//Prevent fall damage from being more than the player maximum health
if (damage > GetMaxHealth())
damage = GetMaxHealth();
// Gust of Wind
if (HasAura(43621))
if (HasAura(SPELL_GUST_OF_WIND))
damage = GetMaxHealth() / 2;
// Divine Protection
if (HasAura(498))
{
if (HasAura(SPELL_DIVINE_PROTECTION))
damage /= 2;
}
final_damage = EnvironmentalDamage(DAMAGE_FALL, damage);
}