#ifndef BACK_CONSTS_H
#define BACK_CONSTS_H

typedef struct imgs {
    int len; 
    SDL_Texture** arr;
} imgs ;

typedef struct pt_2d {
    double x;
    double y;
    double z;
} pt_2d ;

struct cube_0 {
    int red; int green; int blue ;
    double x;
    double y;
    double z;
    double w;
    double h;
    double d;
    double hz_angle ;
    double vt_angle ;
} ;
typedef struct cube_0 cube_0 ;
typedef cube_0* cube ;

typedef struct teleporter {
    cube_0* hitbox ;
    int dest_chx ;      // in the pool, these are offsets
    int dest_chy ;
    double dest_x ;
    double dest_y ;
    double dest_z ;
} teleporter ;

typedef struct entity {
    cube_0* pos ;
    void (*updatePos)(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, cube_0* ret) ;    
        // act as velocity function
        
    void (*onHit)(float dtime, int* hp, int* dmg, cube_0* ret) ;
        // triggers when object is hit

    void (*onDeath)(float dtime) ;
        // triggers when <hitpoints> goes negative

    int damage ;
    int* hitpoints ;
} entity ;

struct room {
    // (0, 0, 0) = bottom, left and down
    int chunk_x ;
    int chunk_y ;
    cube_0** map ;
    int map_size ;
    teleporter* tps ;
    int tps_size ;
    entity* ents ;
    int ent_len ;
    int ent_memlen ;
} ;
typedef struct room room ;

struct cell {
    int chx ;
    int chy ;
    room* area ;
    struct cell* next ;
} ;

typedef struct cell cell ;
typedef struct cell* linkedList ;

struct hashtbl_0 {
    int tabLength ;
    int insertedElts ;
    int maxInserted ;
    linkedList* tab ;
} ;
typedef struct hashtbl_0 hashtbl_0 ;
typedef hashtbl_0* hashtbl ;

// ------------------------------------------------ //

extern double sim_time ;

extern imgs digits ;
extern imgs letters ;

extern double camx ;
extern double camy ;
extern double camz ;

extern double rot_hz ;
extern double rot_vt ;

extern double tan_fov ;

extern bool has_changed ;

extern hashtbl visited ;
extern room* current_room ;

extern int player_chx ;
extern int player_chy ;

extern int* drawOrder ;

extern int coins ;

extern int draw_type ;

extern double draw_constant ;

extern pt_2d** triangles_to_render ;
extern pt_2d** triangles_og_coords ;
extern double* triangles_areas;
extern int triangles_i ;

extern int player_hp ;

extern int fade_dmg ;

extern bool stop_evetything ;

extern int* reds ;
extern int* greens ;
extern int* blues ;

extern int* triangles_order ;
extern bool* visited_tri ;

extern int MAX_SIZE ;

#endif