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Fixed broken skeletons when imported from a prefab

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This commit is contained in:
Antoine Pilote
2024-04-23 19:59:51 -04:00
parent efbf45c5a8
commit cda706e62c
1 changed files with 32 additions and 2 deletions
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34
Nuake/src/Resource/Prefab.h
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@@ -7,6 +7,7 @@
#include <string>
#include <vector>
#include <map>
#include <src/Scene/Components/SkinnedModelComponent.h>
namespace Nuake {
@@ -109,11 +110,10 @@ namespace Nuake {
uint32_t oldId = nameComponent.ID;
uint32_t newId = OS::GetTime();
nameComponent.Name = scene->GetUniqueEntityName(nameComponent.Name);
nameComponent.Name = nameComponent.Name;
nameComponent.ID = newId;
newIdsLut[oldId] = newId;
if (isRoot)
{
Root = entity;
@@ -134,6 +134,36 @@ namespace Nuake {
auto parent = Engine::GetCurrentScene()->GetEntityByID(newIdsLut[parentC.ParentID]);
parent.AddChild(e);
}
// Since the bones point to an entity, and we are instancing a prefab, the new skeleton is gonna be pointing to the wrong
// bones, we need to remap the skeleton to the new entities. We are simply reussing the same map we are using for the
// reparenting. Pretty neat.
std::function<void(SkeletonNode&)> recursiveBoneRemapping = [&recursiveBoneRemapping, &newIdsLut](SkeletonNode& currentBone)
{
for (SkeletonNode& bone : currentBone.Children)
{
bone.EntityHandle = newIdsLut[bone.EntityHandle];
recursiveBoneRemapping(bone);
}
};
// Do the remapping of the skeleton
for (auto& e : Entities)
{
if (e.GetID() == Root.GetID() || !e.HasComponent<SkinnedModelComponent>())
{
continue;
}
auto& skinnedModelComponent = e.GetComponent<SkinnedModelComponent>();
if (!skinnedModelComponent.ModelResource)
{
continue;
}
SkeletonNode& currentBone = skinnedModelComponent.ModelResource->GetSkeletonRootNode();
recursiveBoneRemapping(currentBone);
}
}
return true;
}