player.c


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

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

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

	pos = &world->positions[e];
	pos->x = 32;
	pos->y = 70;

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

void update_player(Player* player, World* world) {
	int dx, dy;
	Entity e;
	CPosition* pos;

	e = player->entity;
	pos = &world->positions[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 != 0 || dy != 0) {
		vec_nrmise(&dx, &dy);

		pos->x += dx;
		pos->y += dy;
	}
}