player.c


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#include "animation.h"
#include "components.h"
#include "game_config.h"
#include "input.h"
#include "player.h"
#include "standard.h"
#include "world.h"

void init_player(Player* player, World* world) {
	CSprite* sprite;
	CPosition* pos;
	CAnimated* animated;
	Entity e;

	e = new_entity(world);
	player->entity = e;
	add_components(
		world,
		e,
		ctype_sprite |
		ctype_position |
		ctype_animated
	);
	pos = &world->positions[e];
	sprite = &world->sprites[e];
	animated = &world->animateds[e];

	pos->x = 32;
	pos->y = 70;

	sprite->id = asset_id_char;
	sprite->rect = make_rect(0, 16, 16, 16);

	animated->id = animation_player_walk_left;
	animated->frame = 0;
	animated->timer = 0;

	player->face = 0;
}

void update_player(Player* player, World* world) {
	int dx, dy;
	int face, moving = 0;
	Entity e;
	CPosition* pos;
	CAnimated* animated;

	e = player->entity;
	pos = &world->positions[e];
	animated = &world->animateds[e];

	dx = dy = 0;
	if (button_pressed(btn_dpad_left)) {
		dx -= 1 << fbits;
	}

	if (button_pressed(btn_dpad_right)) {
		dx += 1 << fbits;
	}

	if (button_pressed(btn_dpad_up)) {
		dy -= 1 << fbits;
	}

	if (button_pressed(btn_dpad_down)) {
		dy += 1 << fbits;
	}

	if (dx || dy) {
		vec_nrmise(&dx, &dy);

		if (dx) {
			face = dx < 0 ? 0 : 1;
		} else {
			face = player->face;
		}

		pos->x += (dx * player_move_speed) >> fbits;
		pos->y += (dy * player_move_speed) >> fbits;

		moving = 1;
	}

	if (!moving) {
		animated->frame = 0;
		animated->id =
			player->face ?	
			animation_player_idle_right :
			animation_player_idle_left;
	} else {
		player->face = face;

		animated->id =
			player->face ?
			animation_player_walk_right :
			animation_player_walk_left;
	}
}