102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
#ifndef ENEMY_BODY_H
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#define ENEMY_BODY_H
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#include "scene/3d/navigation/navigation_agent_3d.h"
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#include "scene/3d/physics/character_body_3d.h"
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#include "wave_survival/health_status.h"
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#include "wave_survival/state.h"
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#include "wave_survival/state_machine.h"
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class NpcUnit;
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class AnimationPlayer;
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class PatrolPath;
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class PlayerDetector;
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class EnemyBody : public CharacterBody3D {
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GDCLASS(EnemyBody, CharacterBody3D);
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static void _bind_methods();
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void on_child_added(Node *node);
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void ready();
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void physics_process(double delta);
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protected:
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void _notification(int what);
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public:
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void set_max_speed(float speed);
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float get_max_speed() const;
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void set_movement_direction(Vector2 direction);
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void set_unit(NpcUnit *unit);
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NpcUnit *get_unit() const;
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HealthStatus *get_health() const;
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NavigationAgent3D *get_nav() const;
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AnimationPlayer *get_anim() const;
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StateMachine *get_fsm() const;
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PlayerDetector *get_detector() const;
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void set_movement_speed(float value);
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float get_movement_speed() const;
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void set_unit_offset(Vector2 offset);
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Vector2 get_unit_offset() const;
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Vector3 get_unit_offset_3d() const;
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private:
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float max_speed{ 4.f };
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float movement_speed{ 1.f };
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Vector2 movement_direction{ 0, 0 };
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StateMachine *fsm{ nullptr };
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NpcUnit *unit{ nullptr };
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HealthStatus *health{ nullptr };
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NavigationAgent3D *nav{ nullptr };
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AnimationPlayer *anim{ nullptr };
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PlayerDetector *detector{ nullptr };
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Vector2 unit_offset{ 0, 0 };
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};
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/* ============================== STATES ============================== */
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class EnemyState : public State {
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GDCLASS(EnemyState, State);
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static void _bind_methods() {}
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public:
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void set_target(Node *node) override;
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NpcUnit *get_unit() const;
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NavigationAgent3D *get_nav() const;
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AnimationPlayer *get_anim() const;
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EnemyBody *get_body() const;
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private:
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EnemyBody *body{ nullptr };
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};
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class EnemyPatrolState : public EnemyState {
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GDCLASS(EnemyPatrolState, EnemyState);
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static void _bind_methods() {}
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void set_patrol_target(Vector3 path_point);
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void on_velocity_calculated(Vector3 direction);
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public:
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virtual void enter_state() override;
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virtual void process(double delta) override;
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virtual void exit_state() override;
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private:
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int path_point{ 0 };
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PatrolPath *path{ nullptr };
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Callable mp_on_velocity_calculated{ callable_mp(this, &self_type::on_velocity_calculated) };
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};
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class EnemyChaseState : public EnemyState {
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GDCLASS(EnemyChaseState, EnemyState);
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static void _bind_methods() {}
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public:
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virtual void enter_state() override;
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virtual void process(double delta) override;
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};
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#endif // !ENEMY_BODY_H
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