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/*  jolt_custom_motion_shape.h                                            */
/**************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#ifndef JOLT_CUSTOM_MOTION_SHAPE_H
#define JOLT_CUSTOM_MOTION_SHAPE_H

#include "jolt_custom_shape_type.h"

#include "core/error/error_macros.h"

#include "Jolt/Jolt.h"

#include "Jolt/Physics/Collision/Shape/ConvexShape.h"
#include "Jolt/Physics/Collision/TransformedShape.h"

class JoltCustomMotionShape final : public JPH::ConvexShape {
	mutable JPH::ConvexShape::SupportBuffer inner_support_buffer;

	JPH::Vec3 motion = JPH::Vec3::sZero();

	const JPH::ConvexShape &inner_shape;

public:
	explicit JoltCustomMotionShape(const JPH::ConvexShape &p_shape) :
			JPH::ConvexShape(JoltCustomShapeSubType::MOTION), inner_shape(p_shape) {}

	virtual bool MustBeStatic() const override { return false; }

	virtual JPH::Vec3 GetCenterOfMass() const override { ERR_FAIL_V_MSG(JPH::Vec3::sZero(), "Not implemented."); }

	virtual JPH::AABox GetLocalBounds() const override;

	virtual JPH::uint GetSubShapeIDBitsRecursive() const override { ERR_FAIL_V_MSG(0, "Not implemented."); }

	virtual JPH::AABox GetWorldSpaceBounds(JPH::Mat44Arg p_center_of_mass_transform, JPH::Vec3Arg p_scale) const override { ERR_FAIL_V_MSG(JPH::AABox(), "Not implemented."); }

	virtual float GetInnerRadius() const override { ERR_FAIL_V_MSG(0.0f, "Not implemented."); }

	virtual JPH::MassProperties GetMassProperties() const override { ERR_FAIL_V_MSG(JPH::MassProperties(), "Not implemented."); }

	virtual const JPH::PhysicsMaterial *GetMaterial(const JPH::SubShapeID &p_sub_shape_id) const override { ERR_FAIL_V_MSG(nullptr, "Not implemented."); }

	virtual JPH::Vec3 GetSurfaceNormal(const JPH::SubShapeID &p_sub_shape_id, JPH::Vec3Arg p_local_surface_position) const override { ERR_FAIL_V_MSG(JPH::Vec3::sZero(), "Not implemented."); }

	virtual void GetSupportingFace(const JPH::SubShapeID &p_sub_shape_id, JPH::Vec3Arg p_direction, JPH::Vec3Arg p_scale, JPH::Mat44Arg p_center_of_mass_transform, JPH::Shape::SupportingFace &p_vertices) const override;

	virtual JPH::uint64 GetSubShapeUserData(const JPH::SubShapeID &p_sub_shape_id) const override { ERR_FAIL_V_MSG(0, "Not implemented."); }

	virtual JPH::TransformedShape GetSubShapeTransformedShape(const JPH::SubShapeID &p_sub_shape_id, JPH::Vec3Arg p_position_com, JPH::QuatArg p_rotation, JPH::Vec3Arg p_scale, JPH::SubShapeID &p_remainder) const override { ERR_FAIL_V_MSG(JPH::TransformedShape(), "Not implemented."); }

	virtual void GetSubmergedVolume(JPH::Mat44Arg p_center_of_mass_transform, JPH::Vec3Arg p_scale, const JPH::Plane &p_surface, float &p_total_volume, float &p_submerged_volume, JPH::Vec3 &p_center_of_buoyancy JPH_IF_DEBUG_RENDERER(, JPH::RVec3Arg p_base_offset)) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual const JPH::ConvexShape::Support *GetSupportFunction(JPH::ConvexShape::ESupportMode p_mode, JPH::ConvexShape::SupportBuffer &p_buffer, JPH::Vec3Arg p_scale) const override;

#ifdef JPH_DEBUG_RENDERER
	virtual void Draw(JPH::DebugRenderer *p_renderer, JPH::RMat44Arg p_center_of_mass_transform, JPH::Vec3Arg p_scale, JPH::ColorArg p_color, bool p_use_material_colors, bool p_draw_wireframe) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void DrawGetSupportFunction(JPH::DebugRenderer *p_renderer, JPH::RMat44Arg p_center_of_mass_transform, JPH::Vec3Arg p_scale, JPH::ColorArg p_color, bool p_draw_support_direction) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void DrawGetSupportingFace(JPH::DebugRenderer *p_renderer, JPH::RMat44Arg p_center_of_mass_transform, JPH::Vec3Arg p_scale) const override { ERR_FAIL_MSG("Not implemented."); }
#endif

	virtual bool CastRay(const JPH::RayCast &p_ray, const JPH::SubShapeIDCreator &p_sub_shape_id_creator, JPH::RayCastResult &p_hit) const override { ERR_FAIL_V_MSG(false, "Not implemented."); }

	virtual void CastRay(const JPH::RayCast &p_ray, const JPH::RayCastSettings &p_ray_cast_settings, const JPH::SubShapeIDCreator &p_sub_shape_id_creator, JPH::CastRayCollector &p_collector, const JPH::ShapeFilter &p_shape_filter = JPH::ShapeFilter()) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void CollidePoint(JPH::Vec3Arg p_point, const JPH::SubShapeIDCreator &p_sub_shape_id_creator, JPH::CollidePointCollector &p_collector, const JPH::ShapeFilter &p_shape_filter = JPH::ShapeFilter()) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void CollideSoftBodyVertices(JPH::Mat44Arg p_center_of_mass_transform, JPH::Vec3Arg p_scale, const JPH::CollideSoftBodyVertexIterator &p_vertices, JPH::uint p_num_vertices, int p_colliding_shape_index) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void CollectTransformedShapes(const JPH::AABox &p_box, JPH::Vec3Arg p_position_com, JPH::QuatArg p_rotation, JPH::Vec3Arg p_scale, const JPH::SubShapeIDCreator &p_sub_shape_id_creator, JPH::TransformedShapeCollector &p_collector, const JPH::ShapeFilter &p_shape_filter = JPH::ShapeFilter()) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void TransformShape(JPH::Mat44Arg p_center_of_mass_transform, JPH::TransformedShapeCollector &p_collector) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual void GetTrianglesStart(JPH::Shape::GetTrianglesContext &p_context, const JPH::AABox &p_box, JPH::Vec3Arg p_position_com, JPH::QuatArg p_rotation, JPH::Vec3Arg p_scale) const override { ERR_FAIL_MSG("Not implemented."); }

	virtual int GetTrianglesNext(JPH::Shape::GetTrianglesContext &p_context, int p_max_triangles_requested, JPH::Float3 *p_triangle_vertices, const JPH::PhysicsMaterial **p_materials = nullptr) const override { ERR_FAIL_V_MSG(0, "Not implemented."); }

	virtual JPH::Shape::Stats GetStats() const override { return JPH::Shape::Stats(sizeof(*this), 0); }

	virtual float GetVolume() const override { ERR_FAIL_V_MSG(0.0f, "Not implemented."); }

	virtual bool IsValidScale(JPH::Vec3Arg p_scale) const override { ERR_FAIL_V_MSG(false, "Not implemented."); }

	const JPH::ConvexShape &get_inner_shape() const { return inner_shape; }

	void set_motion(JPH::Vec3Arg p_motion) { motion = p_motion; }
};

#endif // JOLT_CUSTOM_MOTION_SHAPE_H