momento/include/player.h

/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Copyright (C) 2021 KikooDX */
#pragma once

#include "input.h"
#include "level.h"
#include "particles.h"

#define PLAYER_WIDTH  10
#define PLAYER_HEIGHT 10

enum AirState { AirRising, AirBreaking, AirNeutral };
#define AIR_BREAKING_FACTOR 3

enum AnimState { AnimIdle, AnimBlink, AnimWalk, AnimAirborn, AnimJump };
#define BLINK_DELAY 120

struct Player {
	int x;
	int y;
	float spd_x;
	float spd_y;
	float rem_x;
	float rem_y;
	/* jump */
	int jump_buffer;
	int jump_grace;
	int jumps_left;
	int was_in_water;
	enum AirState air_state;
	/* animations */
	struct Particle anim;
	struct Particle blink_anim;
	struct Particle idle_anim;
	struct Particle jump_anim;
	struct Particle walk_anim;
	enum AnimState anim_state;
	int blink_timer;
	int trail_state;
};

/* used for collisions */
enum { UP_LEFT, UP_RIGHT, DOWN_LEFT, DOWN_RIGHT };
#define COLLIDE_POINTS 4

struct Player player_init(void);
void player_draw(struct Player player);
/* return 1 if exit reached, -1 on death/reset and 0 otherwise */
int player_update(struct Player *restrict player, struct Input input);
void player_collide(Tile collisions[COLLIDE_POINTS], int x, int y, int margin);
int player_collide_tile(Tile collisions[COLLIDE_POINTS], int x, int y,
                        Tile tile, int margin, int update);
int player_collide_solid(int x, int y);
int player_collide_sub(int x, int y, Tile sub, Tile rep, int margin);
int player_collide_water(struct Player player);