package main

import rl "vendor:raylib"

move :: proc(t: ^Transform, x, y: f32) {
	next_position := Transform {
		position = {t.position.x + x, t.position.y + y},
	}
	if e, occupied := world.entities[next_position.position]; !occupied {
		delete_key(&world.entities, t.position)
		defer world.entities[t.position] = e
		t.position = next_position.position
	}
}

shoot :: proc(pos: rl.Vector2, t: Transform) {
	pos_centered := center_to_grid(pos)
	t_centered := center_to_grid(t.position)
	rl.DrawLine(
		i32(t.position.x) * CELL_SIZE + (CELL_SIZE / 2),
		i32(t.position.y) * CELL_SIZE + (CELL_SIZE / 2),
		i32(pos_centered.x),
		i32(pos_centered.y),
		rl.WHITE,
	)
}

center_to_grid :: proc(pos: rl.Vector2) -> rl.Vector2 {
	pos_x, pos_y: f32
	pos_x = pos.x + CELL_SIZE / 2
	pos_y = pos.y + CELL_SIZE / 2
	return rl.Vector2{pos_x, pos_y}
}