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#pragma once
#include "../Common/Pure.hpp"
#include "../Time.hpp"
#include "../Transform.hpp"
#include "../GFX/Actions.hpp"
#include "../GFX/Camera.hpp"
#include "../World/World.hpp"
#include "../Math/AABB.hpp"
#include "../Math/Rotation.hpp"
#include "../World/Position.hpp"
#include "../Input.hpp"
namespace MC::Entities {
class Player {
public:
explicit Player(Position::World position)
: m_transform(position), m_outline_mesh(create_outline_cube_mesh()) {}
PURE Position::World position() const { return m_transform.position(); }
void update(Time const& time, Input const& input, GFX::Camera& camera, World::World& world);
void render(GFX::Actions& actions);
void move(Position::WorldOffset by);
void move_to(Position::World to);
void rotate(Rotation by);
void rotate_to(Rotation to);
PURE AABB bounds() const;
private:
struct BlockedAxis {
Bool positive, negative;
};
PURE Bool can_collide() const;
struct ProcessCollisionsResult {
Position::World position;
Vector<3, BlockedAxis> blocked_axes;
};
static ProcessCollisionsResult process_collisions(World::World& world, Position::World from, Position::World to);
static std::vector<AABB> terrain_collision_domain(Position::World from, Position::World to, World::World& world);
Position::World rescue_from_void_on_new_chunk(Time const& time, World::World& world, Position::World position);
Position::World movement(Time const& time, Vec3 input_direction);
Vec3 walking_velocity(Time const& time, Vec3 input_direction);
PURE Vec3 flying_velocity(Time const& time, Vec3 input_direction) const;
PURE Vec3 noclip_velocity(Time const& time, Vec3 input_direction) const;
void update_targeted_block(World::World& world);
void actions(Input const& input, World::World& world);
PURE Transform camera_transform() const;
void update_camera_position(GFX::Camera& camera) const;
static Vec3 directional_input(Input const& input);
static Rotation rotational_input(Input const& input);
// Creates a bounding box where `position` is at the center of the bottom face.
static AABB bounding_box_for_position(Position::World position);
// Returns position of the center of the bottom face of `box`.
static Position::World position_for_bounding_box(AABB box);
static GFX::Mesh create_outline_cube_mesh();
enum class MovementMode {
// Gravity, collision, and normal movement
Walking,
// Collisions, but no gravity, and normal movement
Flying,
// No collisions, no gravity, movement in the facing direction
NoClip,
};
MovementMode m_movement = MovementMode::Walking;
Bool m_on_ground = false;
struct TargetedBlock {
Position::BlockWorld position;
Position::BlockWorldOffset normal;
};
std::optional<TargetedBlock> m_targeted_block;
Vec3 m_velocity{};
Transform m_transform;
static inline AABB s_bounds{{0.35, 1.8, 0.35}};
GFX::Mesh m_outline_mesh;
};
}
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