hyperultra/src/player.c

#include "player.h"
#include "entity.h"
#include "game.h"
#include "lzy.h"
#include "cfg.h"
#include "input.h"
#include <string.h>
#include <math.h>

static void
player_update(Entity *this, Game *g)
{
	const int on_ground = entity_collide(this, g, 0, 1);

	this->vel[0] = 2.0 * this->player.dirx;
	this->vel[1] *= 0.99;
	this->vel[1] += 0.2;
	this->player.scale_x += 0.1 * (1.0 - this->player.scale_x);
	this->player.scale_y += 0.1 * (1.0 - this->player.scale_y);
	if (fabs(this->player.scale_x - 1.0) < 0.05) this->player.scale_x = 1.01;
	if (fabs(this->player.scale_y - 1.0) < 0.05) this->player.scale_y = 1.01;

	if (on_ground && input_pressed(K_O)) {
		const int diry = input_down(K_UP) - input_down(K_DOWN);
		switch (diry) {
		case -1:
			this->vel[1] = -2.8;
			this->player.scale_x = 0.75;
			this->player.scale_y = 1.25;
			break;
		default:
		case 0:
			this->vel[1] = -3.8;
			this->player.scale_x = 0.66;
			this->player.scale_y = 1.33;
			break;
		case 1:
			this->vel[1] = -4.8;
			this->player.scale_x = 0.5;
			this->player.scale_y = 1.5;
			break;
		}
	} else if (on_ground && input_down(K_X)) {
		this->vel[0] *= 3;
		this->player.scale_x *= 1.05;
	}

	entity_move(this, g);
	if (this->vel[0] == 0.0 && this->vel[1] >= -0.0)
		this->player.dirx *= -1;

	if (entity_place_meeting(this, g, ET_EXIT) != NULL)
		g->queue_next_scene = true;
}

static void
player_draw(Entity *this, Game *g)
{
	(void)g;
	LZY_DrawSetColor(BLACK);
	int width = (int)(this->width / 2) * this->player.scale_x;
	int height = (int)(this->height / 2) * this->player.scale_y;
	width *= 2;
	height *= 2;
	LZY_DrawRect(this->pos[0] - width / 2,
	             this->pos[1] - height / 2,
	             width, height);
	//LZY_DrawRect(this->pos[0] - width / 2 + 1,
	//             this->pos[1] - height / 2 + 1,
	//             width - 2, height - 2);
}

void
player_init(Entity *this, int x, int y)
{
	memset(this, 0, sizeof(*this));
	this->pos[0] = x;
	this->pos[1] = y;
	this->type = ET_PLAYER;
	this->update = player_update;
	this->draw = player_draw;
	this->width = 12;
	this->height = 12;
	this->player.scale_x = 1.0;
	this->player.scale_y = 1.0;
	this->player.dirx = 1;
}