engine-psx/include/player.h

#ifndef PLAYER_H
#define PLAYER_H

#include "chara.h"
#include <psxgte.h>
#include "level.h"
#include "collision.h"
#include "input.h"
#include "player_constants.h"

/* #define X_ACCEL          0x000c0 */
/* #define X_AIR_ACCEL      0x00180 */
/* #define X_FRICTION       0x000c0 */
/* #define X_DECEL          0x00800 */
/* #define X_TOP_SPD        0x06000 */
/* #define Y_GRAVITY        0x00380 */
/* #define Y_HURT_GRAVITY   0x00300 */
/* #define Y_MIN_JUMP       0x04000 */
/* #define Y_JUMP_STRENGTH  0x06800 */
/* #define X_MIN_ROLL_SPD   0x01000 */
/* #define X_MIN_UNCURL_SPD 0x00800 */
/* #define X_ROLL_FRICTION  0x00060 */
/* #define X_ROLL_DECEL     0x00200 */
/* #define X_SLOPE_MIN_SPD  0x000d0 */
/* #define X_SLOPE_NORMAL   0x00200 */
/* #define X_SLOPE_ROLLUP   0x00140 */
/* #define X_SLOPE_ROLLDOWN 0x00500 */
/* #define X_MAX_SPD        0x10000 */
/* #define X_MAX_SLIP_SPD   0x02800 */
/* #define X_DRPSPD         0x08000 */
/* #define X_DRPMAX         0x0c000 */
/* #define Y_HURT_FORCE     0x04000 */
/* #define X_HURT_FORCE     0x02000 */

// Constants for adjusting hitbox and sensors
#define WIDTH_RADIUS_NORMAL      9
#define HEIGHT_RADIUS_NORMAL    19
#define LEDGE_SENSOR_MAGNITUDE  26
#define WIDTH_RADIUS_ROLLING     7
#define HEIGHT_RADIUS_ROLLING   14
#define PUSH_RADIUS             10

#define PLAYER_HURT_IFRAMES     120

typedef enum {
    ACTION_NONE,
    ACTION_SKIDDING,
    ACTION_LOOKUP,
    ACTION_CROUCHDOWN,
    ACTION_JUMPING,
    ACTION_ROLLING,
    ACTION_SPINDASH,
    ACTION_DROPDASH,
    ACTION_SPRING,
    ACTION_HURT,
} PlayerAction;

// Alias to make things look less weird
typedef LinecastDirection CollMode;

typedef struct {
    InputState       input;
    PlayerConstants *cnst;
    Chara            chara;

    CharaAnim *cur_anim;
    VECTOR    pos;
    VECTOR    vel; // vel.vz = ground speed
    int32_t   angle;
    uint8_t   anim_frame;
    uint8_t   anim_timer;
    uint8_t   frame_duration;
    uint8_t   loopback_frame;
    int8_t    anim_dir;
    uint8_t   idle_timer;
    uint8_t   grnd;
    uint8_t   push;
    uint32_t  spinrev;
    uint8_t   ctrllock;
    uint8_t   airdirlock;
    uint8_t   framecount;
    uint8_t   holding_jump;
    uint16_t  iframes;
    uint8_t   shield;
    int32_t   speedshoes_frames;

    // TODO: Change this to player value modes.
    // For now we're only storing info on whether
    // player is underwater
    uint8_t  underwater;
    uint16_t remaining_air_frames;

    // Collision modes
    CollMode  gsmode;
    CollMode  psmode;

    PlayerAction action;

    uint8_t        col_ledge;
    CollisionEvent ev_grnd1;
    CollisionEvent ev_grnd2;
    CollisionEvent ev_left;
    CollisionEvent ev_right;
    CollisionEvent ev_ceil1;
    CollisionEvent ev_ceil2;

    VECTOR startpos;
    VECTOR respawnpos;
} Player;

void load_player(Player *player, const char *chara_filename, TIM_IMAGE  *sprites);
void free_player(Player *player);

void      player_set_animation(Player *player, const char *name);
void      player_set_animation_precise(Player *player, const char *name);
void      player_set_animation_direct(Player *player, uint32_t sum);
void      player_set_frame_duration(Player *player, uint8_t duration);
uint32_t  player_get_current_animation_hash(Player *player);
CharaAnim *player_get_animation(Player *player, uint32_t sum);
CharaAnim *player_get_animation_by_name(Player *player, const char *name);

void player_update(Player *player);
void player_draw(Player *player, VECTOR *screen_pos);

void player_do_damage(Player *player, int32_t hazard_x);

#endif