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https://gitea.wildfiregames.com/0ad/0ad
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a19b8b8b50
Introduce CanEverReachTarget in the Attack component to check whether a target is geometrically reachable at all, accounting for height offsets and turreted units inside buildings. For non-parabolic attacks (e.g. melee), a simple 3D distance check from the closest approach point is used. For parabolic attacks (e.g. ranged), the parabolic range formula is used to determine if the height difference is surmountable from the closest horizontal distance to the target. Add GetClosestApproachDistanceToTurretPoint to TurretHolder to estimate the minimum horizontal distance to a turret point, using its local offset and the holder's obstruction size. Passable buildings are not considered obstacles. Fixes units on the ground trying to attack unreachable units on walls or towers when the projectile's arc cannot reach the required height.
81 lines
4.3 KiB
C++
81 lines
4.3 KiB
C++
/* Copyright (C) 2026 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "ICmpRangeManager.h"
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#include "simulation2/system/InterfaceScripted.h"
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namespace {
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std::string VisibilityToString(LosVisibility visibility)
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{
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switch (visibility)
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{
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case LosVisibility::HIDDEN: return "hidden";
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case LosVisibility::FOGGED: return "fogged";
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case LosVisibility::VISIBLE: return "visible";
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default: return "error"; // should never happen
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}
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}
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}
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std::string ICmpRangeManager::GetLosVisibility_wrapper(entity_id_t ent, int player) const
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{
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return VisibilityToString(GetLosVisibility(ent, player));
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}
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std::string ICmpRangeManager::GetLosVisibilityPosition_wrapper(entity_pos_t x, entity_pos_t z, int player) const
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{
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return VisibilityToString(GetLosVisibilityPosition(x, z, player));
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}
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BEGIN_INTERFACE_WRAPPER(RangeManager)
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DEFINE_INTERFACE_METHOD("ExecuteQuery", ICmpRangeManager, ExecuteQuery)
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DEFINE_INTERFACE_METHOD("ExecuteQueryAroundPos", ICmpRangeManager, ExecuteQueryAroundPos)
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DEFINE_INTERFACE_METHOD("CreateActiveQuery", ICmpRangeManager, CreateActiveQuery)
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DEFINE_INTERFACE_METHOD("CreateActiveParabolicQuery", ICmpRangeManager, CreateActiveParabolicQuery)
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DEFINE_INTERFACE_METHOD("DestroyActiveQuery", ICmpRangeManager, DestroyActiveQuery)
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DEFINE_INTERFACE_METHOD("EnableActiveQuery", ICmpRangeManager, EnableActiveQuery)
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DEFINE_INTERFACE_METHOD("DisableActiveQuery", ICmpRangeManager, DisableActiveQuery)
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DEFINE_INTERFACE_METHOD("IsActiveQueryEnabled", ICmpRangeManager, IsActiveQueryEnabled)
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DEFINE_INTERFACE_METHOD("ResetActiveQuery", ICmpRangeManager, ResetActiveQuery)
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DEFINE_INTERFACE_METHOD("SetEntityFlag", ICmpRangeManager, SetEntityFlag)
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DEFINE_INTERFACE_METHOD("GetEntityFlagMask", ICmpRangeManager, GetEntityFlagMask)
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DEFINE_INTERFACE_METHOD("GetEntitiesByPlayer", ICmpRangeManager, GetEntitiesByPlayer)
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DEFINE_INTERFACE_METHOD("GetNonGaiaEntities", ICmpRangeManager, GetNonGaiaEntities)
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DEFINE_INTERFACE_METHOD("GetGaiaAndNonGaiaEntities", ICmpRangeManager, GetGaiaAndNonGaiaEntities)
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DEFINE_INTERFACE_METHOD("SetDebugOverlay", ICmpRangeManager, SetDebugOverlay)
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DEFINE_INTERFACE_METHOD("ExploreMap", ICmpRangeManager, ExploreMap)
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DEFINE_INTERFACE_METHOD("ExploreTerritories", ICmpRangeManager, ExploreTerritories)
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DEFINE_INTERFACE_METHOD("SetLosRevealWholeMap", ICmpRangeManager, SetLosRevealWholeMap)
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DEFINE_INTERFACE_METHOD("GetLosRevealWholeMap", ICmpRangeManager, GetLosRevealWholeMap)
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DEFINE_INTERFACE_METHOD("SetLosRevealWholeMapForAll", ICmpRangeManager, SetLosRevealWholeMapForAll)
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DEFINE_INTERFACE_METHOD("GetLosRevealWholeMapForAll", ICmpRangeManager, GetLosRevealWholeMapForAll)
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DEFINE_INTERFACE_METHOD("GetEffectiveParabolicRange", ICmpRangeManager, GetEffectiveParabolicRange)
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DEFINE_INTERFACE_METHOD("GetMaxReachableParabolicHeight", ICmpRangeManager, GetMaxReachableParabolicHeight)
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DEFINE_INTERFACE_METHOD("GetElevationAdaptedRange", ICmpRangeManager, GetElevationAdaptedRange)
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DEFINE_INTERFACE_METHOD("ActivateScriptedVisibility", ICmpRangeManager, ActivateScriptedVisibility)
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DEFINE_INTERFACE_METHOD("GetLosVisibility", ICmpRangeManager, GetLosVisibility_wrapper)
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DEFINE_INTERFACE_METHOD("GetLosVisibilityPosition", ICmpRangeManager, GetLosVisibilityPosition_wrapper)
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DEFINE_INTERFACE_METHOD("RequestVisibilityUpdate", ICmpRangeManager, RequestVisibilityUpdate)
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DEFINE_INTERFACE_METHOD("SetLosCircular", ICmpRangeManager, SetLosCircular)
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DEFINE_INTERFACE_METHOD("GetLosCircular", ICmpRangeManager, GetLosCircular)
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DEFINE_INTERFACE_METHOD("SetSharedLos", ICmpRangeManager, SetSharedLos)
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DEFINE_INTERFACE_METHOD("GetPercentMapExplored", ICmpRangeManager, GetPercentMapExplored)
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DEFINE_INTERFACE_METHOD("GetUnionPercentMapExplored", ICmpRangeManager, GetUnionPercentMapExplored)
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END_INTERFACE_WRAPPER(RangeManager)
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