Bubel/bubel-ecs
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-LinearLayout implemntation:

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*Entity.getComponent works
 *adding/removing objects work
 *update work
This commit is contained in:
Mergul 2018-09-26 09:02:16 +02:00
parent 535071ebb9
commit cb9bac5dde
5 changed files with 411 additions and 120 deletions
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18
source/ecs/entity.d
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@ -20,9 +20,21 @@ struct Entity
T* getComponent(T)()
{
EntityManager.EntitiesBlock* block = gEM.getMetaData(&this);
EntityManager.EntityInfo* info = block.type_data;
if(T.component_id >= info.deltas.length || info.deltas[T.component_id] == 0)return null;
return cast(T*)(cast(void*)&this + info.deltas[T.component_id]);
EntityManager.EntityInfo* info = block.type_info;
if (T.component_id >= info.deltas.length || info.deltas[T.component_id] == 0)
return null;
version (LinearLayout)
{
static if (EntityID.sizeof == 8)
uint ind = cast(uint)((cast(void*)&this - block.dataBegin()) >> 3);
else
uint ind = cast(uint)((cast(void*)&this - block.dataBegin()) / EntityID.sizeof());
return cast(T*)(cast(void*)block + info.deltas[T.component_id] + ind * T.sizeof);
}
else
{
return cast(T*)(cast(void*)&this + info.deltas[T.component_id]);
}
}
}