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Core/Spell: Jump Speed Calculations

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Port From (https://github.com/TrinityCore/TrinityCore/commit/f15bcebdbe42acb72d2d9165cd8091e9a61f5909)
This commit is contained in:
hondacrx
2021-12-22 20:22:58 -05:00
parent 79e33b6a4a
commit c38509222c
1 changed files with 23 additions and 7 deletions
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Source/Game/Spells/SpellEffects.cs
+23 -7
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@@ -463,14 +463,30 @@ namespace Game.Spells
void CalculateJumpSpeeds(SpellEffectInfo effInfo, float dist, out float speedXY, out float speedZ)
{
if (effInfo.MiscValue != 0)
speedZ = (float)effInfo.MiscValue / 10;
else if (effInfo.MiscValueB != 0)
speedZ = (float)effInfo.MiscValueB / 10;
else
speedZ = 10.0f;
float runSpeed = unitCaster.IsControlledByPlayer() ? SharedConst.playerBaseMoveSpeed[(int)UnitMoveType.Run] : SharedConst.baseMoveSpeed[(int)UnitMoveType.Run];
Creature creature = unitCaster.ToCreature();
if (creature != null)
runSpeed *= creature.GetCreatureTemplate().SpeedRun;
speedXY = dist * 10.0f / speedZ;
float multiplier = effInfo.Amplitude;
if (multiplier <= 0.0f)
multiplier = 1.0f;
speedXY = Math.Min(runSpeed * 3.0f * multiplier, Math.Max(28.0f, unitCaster.GetSpeed(UnitMoveType.Run) * 4.0f));
float duration = dist / speedXY;
float durationSqr = duration * duration;
float minHeight = effInfo.MiscValue != 0 ? effInfo.MiscValue / 10.0f : 0.5f; // Lower bound is blizzlike
float maxHeight = effInfo.MiscValueB != 0 ? effInfo.MiscValueB / 10.0f : 1000.0f; // Upper bound is unknown
float height;
if (durationSqr < minHeight * 8 / MotionMaster.gravity)
height = minHeight;
else if (durationSqr > maxHeight * 8 / MotionMaster.gravity)
height = maxHeight;
else
height = (float)(MotionMaster.gravity * durationSqr / 8);
speedZ = MathF.Sqrt((float)(2 * MotionMaster.gravity * height));
}
[SpellEffectHandler(SpellEffectName.Jump)]