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fix(Core/Spells): updates trajectory target selection (#23031)

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Co-authored-by: xinef1 <w.szyszko2@gmail.com>
This commit is contained in:
sogladev
2025-09-28 12:47:01 +02:00
committed by GitHub
parent bac2ae4e11
commit 0d1f885b57
7 changed files with 65 additions and 133 deletions
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172
src/server/game/Spells/Spell.cpp
View File

@@ -1744,9 +1744,6 @@ void Spell::SelectImplicitDestDestTargets(SpellEffIndex effIndex, SpellImplicitT
case TARGET_DEST_DYNOBJ_NONE:
case TARGET_DEST_DEST:
return;
case TARGET_DEST_TRAJ:
SelectImplicitTrajTargets(effIndex, targetType);
return;
default:
{
float angle = targetType.CalcDirectionAngle();
@@ -1885,14 +1882,14 @@ void Spell::SelectImplicitTrajTargets(SpellEffIndex effIndex, SpellImplicitTarge
if (!dist2d)
return;
float srcToDestDelta = m_targets.GetDstPos()->m_positionZ - m_targets.GetSrcPos()->m_positionZ;
Position srcPos = *m_targets.GetSrcPos();
srcPos.SetOrientation(m_caster->GetOrientation());
float srcToDestDelta = m_targets.GetDstPos()->m_positionZ - srcPos.m_positionZ;
// xinef: supply correct target type, DEST_DEST and similar are ALWAYS undefined
// xinef: correct target is stored in TRIGGERED SPELL, however as far as i noticed, all checks are ENTRY, ENEMY
std::list<WorldObject*> targets;
Acore::WorldObjectSpellTrajTargetCheck check(dist2d, m_targets.GetSrcPos(), m_caster, m_spellInfo, TARGET_CHECK_ENEMY /*targetCheckType*/, m_spellInfo->Effects[effIndex].ImplicitTargetConditions);
Acore::WorldObjectSpellTrajTargetCheck check(dist2d, &srcPos, m_caster, m_spellInfo, targetType.GetCheckType(), m_spellInfo->Effects[effIndex].ImplicitTargetConditions);
Acore::WorldObjectListSearcher<Acore::WorldObjectSpellTrajTargetCheck> searcher(m_caster, targets, check, GRID_MAP_TYPE_MASK_ALL);
SearchTargets<Acore::WorldObjectListSearcher<Acore::WorldObjectSpellTrajTargetCheck> > (searcher, GRID_MAP_TYPE_MASK_ALL, m_caster, m_targets.GetSrcPos(), dist2d);
SearchTargets<Acore::WorldObjectListSearcher<Acore::WorldObjectSpellTrajTargetCheck> > (searcher, GRID_MAP_TYPE_MASK_ALL, m_caster, &srcPos, dist2d);
if (targets.empty())
return;
@@ -1901,136 +1898,59 @@ void Spell::SelectImplicitTrajTargets(SpellEffIndex effIndex, SpellImplicitTarge
float b = tangent(m_targets.GetElevation());
float a = (srcToDestDelta - dist2d * b) / (dist2d * dist2d);
if (a > -0.0001f)
a = 0;
a = 0.f;
LOG_DEBUG("spells", "Spell::SelectTrajTargets: a {} b {}", a, b);
// We should check if triggered spell has greater range (which is true in many cases, and initial spell has too short max range)
// limit max range to 300 yards, sometimes triggered spells can have 50000yds
float bestDist = m_spellInfo->GetMaxRange(false);
if (SpellInfo const* triggerSpellInfo = sSpellMgr->GetSpellInfo(m_spellInfo->Effects[effIndex].TriggerSpell))
bestDist = std::min(std::max(bestDist, triggerSpellInfo->GetMaxRange(false)), std::min(dist2d, 300.0f));
// Xinef: hack for distance, many trajectory spells have RangeEntry 1 (self)
float bestDist = m_spellInfo->GetMaxRange(false) * 2;
if (bestDist < 1.0f)
bestDist = 300.0f;
std::list<WorldObject*>::const_iterator itr = targets.begin();
for (; itr != targets.end(); ++itr)
// GameObjects don't cast traj
Unit* unitCaster = ASSERT_NOTNULL(m_caster->ToUnit());
for (auto itr = targets.begin(); itr != targets.end(); ++itr)
{
if (Unit* unitTarget = (*itr)->ToUnit())
if (m_caster == *itr || m_caster->IsOnVehicle(unitTarget) || (unitTarget)->GetVehicle())//(*itr)->IsOnVehicle(m_caster))
if (m_spellInfo->CheckTarget(unitCaster, *itr, true) != SPELL_CAST_OK)
continue;
if (Unit* unit = (*itr)->ToUnit())
{
if (unitCaster == *itr || unitCaster->IsOnVehicle(unit) || unit->GetVehicle())
continue;
const float size = std::max((*itr)->GetObjectSize() * 0.7f, 1.0f); // 1/sqrt(3)
/// @todo: all calculation should be based on src instead of m_caster
const float objDist2d = std::fabs(m_targets.GetSrcPos()->GetExactDist2d(*itr) * cos(m_targets.GetSrcPos()->GetRelativeAngle(*itr)));
const float dz = std::fabs((*itr)->GetPositionZ() - m_targets.GetSrcPos()->m_positionZ);
if (Creature* creatureTarget = unit->ToCreature())
{
if (!(creatureTarget->GetCreatureTemplate()->type_flags & CREATURE_TYPE_FLAG_COLLIDE_WITH_MISSILES))
continue;
}
}
LOG_DEBUG("spells", "Spell::SelectTrajTargets: check {}, dist between {} {}, height between {} {}.",
(*itr)->GetEntry(), objDist2d - size, objDist2d + size, dz - size, dz + size);
float const size = std::max((*itr)->GetCombatReach(), 1.0f);
float const objDist2d = srcPos.GetExactDist2d(*itr);
float const dz = (*itr)->GetPositionZ() - srcPos.m_positionZ;
float dist = objDist2d - size;
float height = dist * (a * dist + b);
float const horizontalDistToTraj = std::fabs(objDist2d * std::sin(srcPos.GetRelativeAngle(*itr)));
float const sizeFactor = std::cos((horizontalDistToTraj / size) * (M_PI / 2.0f));
float const distToHitPoint = std::max(objDist2d * std::cos(srcPos.GetRelativeAngle(*itr)) - size * sizeFactor, 0.0f);
float const height = distToHitPoint * (a * distToHitPoint + b);
LOG_DEBUG("spells", "Spell::SelectTrajTargets: dist {}, height {}.", dist, height);
if (fabs(dz - height) > size + b / 2.0f + TRAJECTORY_MISSILE_SIZE)
continue;
if (dist < bestDist && height < dz + size && height > dz - size)
if (distToHitPoint < bestDist)
{
bestDist = dist > 0 ? dist : 0;
bestDist = distToHitPoint;
break;
}
#define CHECK_DIST {\
LOG_DEBUG("spells", "Spell::SelectTrajTargets: dist {}, height {}.", dist, height);\
if (dist > bestDist)\
continue;\
if (dist < objDist2d + size && dist > objDist2d - size)\
{\
bestDist = dist;\
break;\
}\
}
// RP-GG only, search in straight line, as item have no trajectory
if (m_CastItem)
{
if (dist < bestDist && std::fabs(dz) < 6.0f) // closes target, also check Z difference)
{
bestDist = dist;
break;
}
continue;
}
if (!a)
{
// Xinef: everything remade
dist = m_targets.GetSrcPos()->GetExactDist(*itr);
height = m_targets.GetSrcPos()->GetExactDist2d(*itr) * b;
if (height < dz + size * (b + 1) && height > dz - size * (b + 1) && dist < bestDist)
{
bestDist = dist;
break;
}
continue;
}
height = dz - size;
float sqrt1 = b * b + 4 * a * height;
if (sqrt1 > 0)
{
sqrt1 = std::sqrt(sqrt1);
dist = (sqrt1 - b) / (2 * a);
CHECK_DIST;
}
height = dz + size;
float sqrt2 = b * b + 4 * a * height;
if (sqrt2 > 0)
{
sqrt2 = std::sqrt(sqrt2);
dist = (sqrt2 - b) / (2 * a);
CHECK_DIST;
dist = (-sqrt2 - b) / (2 * a);
CHECK_DIST;
}
if (sqrt1 > 0)
{
dist = (-sqrt1 - b) / (2 * a);
CHECK_DIST;
}
}
if (m_targets.GetSrcPos()->GetExactDist2d(m_targets.GetDstPos()) > bestDist)
if (dist2d > bestDist)
{
float x = m_targets.GetSrcPos()->m_positionX + cos(m_caster->GetOrientation()) * bestDist;
float y = m_targets.GetSrcPos()->m_positionY + std::sin(m_caster->GetOrientation()) * bestDist;
float x = m_targets.GetSrcPos()->m_positionX + std::cos(unitCaster->GetOrientation()) * bestDist;
float y = m_targets.GetSrcPos()->m_positionY + std::sin(unitCaster->GetOrientation()) * bestDist;
float z = m_targets.GetSrcPos()->m_positionZ + bestDist * (a * bestDist + b);
if (itr != targets.end())
{
float distSq = (*itr)->GetExactDistSq(x, y, z);
float sizeSq = (*itr)->GetObjectSize();
sizeSq *= sizeSq;
LOG_DEBUG("spells", "Spell::SelectTrajTargets: Initial {} {} {} {} {}", x, y, z, distSq, sizeSq);
if (distSq > sizeSq)
{
float factor = 1 - std::sqrt(sizeSq / distSq);
x += factor * ((*itr)->GetPositionX() - x);
y += factor * ((*itr)->GetPositionY() - y);
z += factor * ((*itr)->GetPositionZ() - z);
distSq = (*itr)->GetExactDistSq(x, y, z);
LOG_DEBUG("spells", "Spell::SelectTrajTargets: Initial {} {} {} {} {}", x, y, z, distSq, sizeSq);
}
}
Position trajDst;
trajDst.Relocate(x, y, z, m_caster->GetOrientation());
SpellDestination dest(*m_targets.GetDst());
dest.Relocate(trajDst);
SpellDestination dest(x, y, z, unitCaster->GetOrientation());
CallScriptDestinationTargetSelectHandlers(dest, effIndex, targetType);
m_targets.ModDst(dest);
}
@@ -9119,7 +9039,7 @@ namespace Acore
}
else if (_spellInfo->HasAttribute(SPELL_ATTR0_CU_CONE_LINE))
{
if (!_caster->HasInLine(target, _caster->GetObjectSize() + target->GetObjectSize()))
if (!_caster->HasInLine(target, target->GetObjectSize(), _caster->GetObjectSize()))
return false;
}
else
@@ -9139,9 +9059,13 @@ namespace Acore
bool WorldObjectSpellTrajTargetCheck::operator()(WorldObject* target)
{
// return all targets on missile trajectory (0 - size of a missile)
if (!_caster->HasInLine(target, target->GetObjectSize()))
if (!_caster->HasInLine(target, target->GetCombatReach(), TRAJECTORY_MISSILE_SIZE))
return false;
return WorldObjectSpellAreaTargetCheck::operator ()(target);
if (target->GetExactDist2d(_position) > _range)
return false;
return WorldObjectSpellTargetCheck::operator ()(target);
}
} //namespace Acore

1
src/server/game/Spells/Spell.h
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@@ -39,6 +39,7 @@ class ByteBuffer;
class BasicEvent;
#define SPELL_CHANNEL_UPDATE_INTERVAL (1 * IN_MILLISECONDS)
#define TRAJECTORY_MISSILE_SIZE 3.0f
enum SpellCastFlags
{

9
src/server/game/Spells/SpellMgr.cpp
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@@ -3405,15 +3405,6 @@ void SpellMgr::LoadSpellInfoCustomAttributes()
}
// Xinef: Cooldown overwrites
// Jotunheim Rapid-Fire Harpoon: Energy Reserve
case 56585:
spellInfo->RecoveryTime = 30000;
spellInfo->_requireCooldownInfo = true;
break;
// Jotunheim Rapid-Fire Harpoon: Rapid-Fire Harpoon
case 56570:
spellInfo->RecoveryTime = 200;
break;
// Burst of Speed
case 57493:
spellInfo->RecoveryTime = 60000;