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refactor(entity): each component type has an allocator, as the client

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DoObjectComponentLoad walks the client's load order and calls the type's
allocator from a table, like ObjectLoader2, instead of one 76-case switch.
Components with rules of their own have a static Allocator (the client's
LWOxComponent::Allocator); the rest share a registry allocator. The load
state moves to ObjectLoadState.h so the allocators can take it.

Construction bytes are identical for all 15,962 LOTs.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-10-02 08:11:58 -05:00
parent 3a79286666
commit 260e6cb1b1
52 changed files with 634 additions and 684 deletions
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30
dGame/dComponents/ModelComponent.cpp
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@@ -18,6 +18,11 @@
#include "Database.h"
#include "DluAssert.h"
#include "ObjectMessages.h"
#include "ObjectLoadState.h"
#include "PetComponent.h"
#include "ControllablePhysicsComponent.h"
#include "DestroyableComponent.h"
#include "PathfindingComponent.h"
ModelComponent::ModelComponent(Entity* parent, const int32_t componentID) : Component(parent, componentID) {
m_OriginalPosition = m_Parent->GetDefaultPosition();
@@ -375,3 +380,28 @@ bool ModelComponent::OnGetObjectReportInfo(GameMessages::GetObjectReportInfo& re
return true;
}
void ModelComponent::Allocator(Entity& entity, ObjectLoadState& state) {
const auto modelID = state.GetComponentID(eReplicaComponentType::MODEL, -1);
if (modelID > -1 && !entity.GetComponent<PetComponent>()) {
// ObjectLoader2::LoadModelBehaviorsComponent (0x0104d1f0): a model without physics gets it here (BBB models,
// LOT 14, have none in the registry): simple physics 4247 without behaviors; with behaviors controllable
// (4246) for modelType 0, else simple (4247), unless the registry gave an id. modelType 0 also gets
// pathfinding control.
const bool hasPhysics = entity.HasComponent(eReplicaComponentType::CONTROLLABLE_PHYSICS) || entity.HasComponent(eReplicaComponentType::SIMPLE_PHYSICS)
|| entity.HasComponent(eReplicaComponentType::PROJECTILE_PHYSICS) || entity.HasComponent(eReplicaComponentType::RIGID_BODY_PHANTOM_PHYSICS)
|| entity.HasComponent(eReplicaComponentType::HAVOK_VEHICLE_PHYSICS) || entity.HasComponent(eReplicaComponentType::PHANTOM_PHYSICS)
|| entity.HasComponent(eReplicaComponentType::VEHICLE_PHYSICS) || entity.HasComponent(eReplicaComponentType::PHYSICS_SYSTEM);
const int32_t modelType = entity.HasVar(u"modelType") ? entity.GetVarAs<int32_t>(u"modelType") : -1;
if (!hasPhysics) {
if (!state.hasModelBehaviors) entity.AddComponent<SimplePhysicsComponent>(4247);
else if (modelType == 0) entity.AddComponent<ControllablePhysicsComponent>(state.modelPhysicsComponentID == -1 ? 4246 : state.modelPhysicsComponentID);
else entity.AddComponent<SimplePhysicsComponent>(state.modelPhysicsComponentID == -1 ? 4247 : state.modelPhysicsComponentID);
}
if (modelType == 0 && !entity.HasComponent(eReplicaComponentType::PATHFINDING)) entity.AddComponent<PathfindingComponent>(-1);
entity.AddComponent<ModelComponent>(modelID);
if (!entity.HasComponent(eReplicaComponentType::DESTROYABLE)) {
entity.AddComponent<DestroyableComponent>(-1, true);
}
}
}