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feat(destroyable): enemy preconditions from the level, as the client

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An object's EnemyPrecondition (level config) decides who it is an enemy of:
whoever asks and doesn't meet the preconditions, whatever the factions
(LWODestroyableComponent::msgIsEnemy 0x00c9e930; ',' ';' ':' join groups
that must all pass, '|' alternatives). Forbidden Valley Siege's objects use
it today; any level object can.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-10-02 09:31:35 -05:00
parent 4b84677cba
commit 0253fea006
3 changed files with 38 additions and 0 deletions
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8
dGame/dComponents/DestroyableComponent.cpp
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@@ -28,6 +28,7 @@
#include "BaseCombatAIComponent.h"
#include "TeamManager.h"
#include "BuffComponent.h"
#include "Preconditions.h"
#include "SkillComponent.h"
#include "Item.h"
#include "Amf3.h"
@@ -163,6 +164,9 @@ void DestroyableComponent::LoadDataFromTemplate() {
// The level config (LWODestroyableComponent::LoadConfigData 0x00c44cb0 reads it for every destroyable): is_smashable,
// set_faction / override_faction and the smashable loot matrix
void DestroyableComponent::LoadConfigData() {
const auto enemyPrecondition = m_Parent->GetVarAsString(u"EnemyPrecondition");
if (!enemyPrecondition.empty()) m_EnemyPrecondition = std::make_unique<PreconditionExpression>(enemyPrecondition);
const bool isSmashable = m_Parent->GetVarAs<int32_t>(u"is_smashable") != 0;
const bool isCharacter = m_Parent->GetCharacter() != nullptr;
if (!isCharacter) {
@@ -536,6 +540,10 @@ bool DestroyableComponent::IsEnemy(const Entity* other) const {
return false;
}
const auto* otherDestroyableComponent = other->GetComponent<DestroyableComponent>();
// An object with enemy preconditions is an enemy unless this one meets them; factions don't count then
if (otherDestroyableComponent && otherDestroyableComponent->GetEnemyPrecondition()) {
return !otherDestroyableComponent->GetEnemyPrecondition()->Check(m_Parent);
}
if (otherDestroyableComponent != nullptr) {
for (const auto enemyFaction : m_EnemyFactionIDs) {
for (const auto otherFaction : otherDestroyableComponent->GetFactionIDs()) {