njin_body.h

#pragma once
#include "_types.h"
#include <entt/entity/entity.hpp>
#include <vector>
 
namespace njin {
struct context;


struct platformer_input {
  f32 move_x = 0.0f;      
  bool jump = false;      
  bool jump_held = false; 
  bool drop = false;      
};

struct platformer_body {
  // --- chỉnh cảm giác ---
  f32 run_speed = 110.0f;     
  f32 ground_accel = 1200.0f; 
  f32 ground_decel = 1600.0f; 
  f32 air_accel = 800.0f;     
  f32 air_decel = 500.0f;     
  f32 gravity = 1000.0f;      
  f32 fall_gravity = 1600.0f; 
  f32 max_fall = 360.0f;      
  f32 jump_speed = 300.0f;    
  f32 jump_cut = 0.45f;       
  f32 coyote_time = 0.09f;    
  f32 jump_buffer = 0.12f;    
  i32 air_jumps = 0;          
  f32 wall_slide_speed = 0.0f; 
  vec2 wall_jump{0.0f, 0.0f};  
  f32 wall_jump_lock = 0.15f;  
 
  platformer_input input{}; 
 
  // --- trạng thái, engine ghi ---
  vec2 velocity{};       
  bool grounded = false; 
  bool on_slope = false; 
  i32 on_wall = 0;       
  i32 facing = 1;        
  entt::entity ground = entt::null; 
  bool jumped = false;   
  bool landed = false;   
 
  // --- bên trong ---
  f32 coyote_timer = 0.0f;   
  f32 buffer_timer = 0.0f;   
  f32 drop_timer = 0.0f;     
  f32 wall_lock_timer = 0.0f; 
  i32 air_jumps_left = 0;    
  bool rising = false;       
  bool ground_one_way = false; 
};

struct topdown_input {
  vec2 move{};       
  bool dash = false; 
};

struct topdown_body {
  f32 speed = 90.0f;   
  f32 accel = 900.0f;  
  f32 decel = 1300.0f; 
  f32 dash_speed = 0.0f;     
  f32 dash_time = 0.14f;     
  f32 dash_cooldown = 0.35f; 
 
  topdown_input input{}; 
 
  vec2 velocity{};        
  vec2 facing{0.0f, 1.0f}; 
  bool moving = false;    
  bool dashing = false;   
  f32 dash_timer = 0.0f;  
  f32 cooldown_timer = 0.0f; 
};

struct platformer_input_map {
  axis_handle move{};     
  action_handle jump{};   
  action_handle down{};   
};

struct topdown_input_map {
  axis_handle move_x{}; 
  axis_handle move_y{}; 
  action_handle dash{}; 
};

struct path_mover {
  std::vector<vec2> points; 
  f32 speed = 40.0f;        
  f32 wait = 0.0f;          
  bool loop = false;
  bool paused = false;      
  i32 target = 1;           
  i32 direction = 1;        
  f32 wait_timer = 0.0f;    
};

struct body_jumped {
  entt::entity entity = entt::null; 
  bool from_air = false;  
  bool from_wall = false; 
};

struct body_landed {
  entt::entity entity = entt::null; 
  f32 speed = 0.0f; 
};

struct body_dashed {
  entt::entity entity = entt::null; 
  vec2 direction{}; 
};

} // namespace njin