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#ifndef PKE_COMPONENTS_HPP
#define PKE_COMPONENTS_HPP

#include "components-vk.hpp"
#include "pk.h"
#include "physics.hpp"
#include "plugin-types.hpp"

#include <BulletDynamics/Dynamics/btRigidBody.h>
#include <LinearMath/btDefaultMotionState.h>
#include <vulkan/vulkan_core.h>

const uint64_t ECS_UNSET_VAL = 0xFFFFFFFFFFFFFFFF;
const uint32_t ECS_UNSET_VAL_32 = 0xFFFFFFFF;

struct EntityHandle : public pk_bkt_arr_handle { };
struct GenericEntityHandle : public pk_bkt_arr_handle { };
struct GrBindsHandle : public pk_bkt_arr_handle { };
struct InstanceHandle : public pk_bkt_arr_handle { };
struct PkeEventHandle : public pk_bkt_arr_handle { };
struct SceneHandle : public pk_bkt_arr_handle { };
struct LevelHandle : public pk_bkt_arr_handle { };

constexpr EntityHandle EntityHandle_MAX = EntityHandle{ pk_bkt_arr_handle_MAX_constexpr };
constexpr GenericEntityHandle GenericEntityHandle_MAX = GenericEntityHandle{ pk_bkt_arr_handle_MAX_constexpr };
constexpr GrBindsHandle GrBindsHandle_MAX = GrBindsHandle{ pk_bkt_arr_handle_MAX_constexpr };
constexpr InstanceHandle InstanceHandle_MAX = InstanceHandle{ pk_bkt_arr_handle_MAX_constexpr };
constexpr PkeEventHandle PkeEventHandle_MAX = PkeEventHandle{ pk_bkt_arr_handle_MAX_constexpr };
constexpr SceneHandle SceneHandle_MAX = SceneHandle{ pk_bkt_arr_handle_MAX_constexpr };
constexpr LevelHandle LevelHandle_MAX = LevelHandle{ pk_bkt_arr_handle_MAX_constexpr };

TypeSafeInt_constexpr(ENTITY_FLAGS, uint64_t, 0xFFFFFFFFFFFFFFFF);
TypeSafeInt_constexpr(COMPONENT_INSTANCE_FLAGS, uint64_t, 0xFFFFFFFFFFFFFFFF);

constexpr ENTITY_FLAGS ENTITY_FLAG_NONE                    = ENTITY_FLAGS(0x00);
constexpr ENTITY_FLAGS ENTITY_FLAG_DO_NOT_SERIALIZE        = ENTITY_FLAGS(0x01);

constexpr COMPONENT_INSTANCE_FLAGS COMPONENT_INSTANCE_FLAG_NONE
        = COMPONENT_INSTANCE_FLAGS(0x00);
constexpr COMPONENT_INSTANCE_FLAGS COMPONENT_INSTANCE_FLAG_DO_NOT_SERIALIZE
        = COMPONENT_INSTANCE_FLAGS(0x01);

struct Entity_Base {
	EntityHandle handle = EntityHandle_MAX;
	EntityHandle parentHandle = EntityHandle_MAX;
	pk_uuid uuid = pk_uuid_max;
	ENTITY_FLAGS entity_flags = ENTITY_FLAG_NONE;
	bool isMarkedForRemoval = false;
};

struct CompGrBinds {
	EntityHandle entHandle = EntityHandle_MAX;
	GrBindsHandle grBindsHandle = GrBindsHandle_MAX;
	VkPipelineLayout vkPipelineLayout = VK_NULL_HANDLE;
	VkPipeline graphicsPipeline = VK_NULL_HANDLE;
	VkDescriptorSet *vkDescriptorSets = nullptr;
	BufferBindingDetails vertexBD;
	BufferBindingDetails normalsBD;
	BufferBindingDetails uvBD;
	BufferBindingDetails indexBD;
	BufferBindingDetails instanceBD;
	BufferBindingDetails physVertBD;
	BufferBindingDetails physNormBD;
	BufferBindingDetails physUvBD;
	BufferBindingDetails physIndxBD;
	uint32_t indexCount;
	uint32_t instanceCounter = 0;
	uint32_t instanceBufferMaxCount = 0;
	PkeCallback collisionCallback{};
};

struct InstPos {
	btTransform posRot;
	btVector3 scale;
	btScalar mass;
};
struct InstBt {
	btCollisionShape *collision_shape = nullptr;
	btDefaultMotionState *motionState = nullptr;
	btRigidBody *rigidBody = nullptr;
};
struct CompInstance {
	COMPONENT_INSTANCE_FLAGS comp_instance_flags = COMPONENT_INSTANCE_FLAG_NONE;
	EntityHandle entHandle = EntityHandle_MAX;
	GrBindsHandle grBindsHandle = GrBindsHandle_MAX;
	InstanceHandle instanceHandle = InstanceHandle_MAX;
	pk_uuid uuid = pk_uuid_max;
	uint32_t index = ECS_UNSET_VAL_32;
	PhysicsCollision physicsLayer = PhysicsCollision{1};
	PhysicsCollision physicsMask = PhysicsCollision{1};
	InstBt bt{};
	PkeCallback collisionCallback{};
	bool isNeedingUpdated = false;
};

struct pke_component_event {
	const pk_ev_mgr_id_T ev_mgr_id = 0;
	pk_ev_id_T ev_id = pk_ev_id_T_MAX;
	EntityHandle entity_handle;
	PkeEventHandle pke_event_handle;
	pk_uuid uuid = pk_uuid_max;
};

#endif /* PKE_COMPONENTS_HPP */