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|
//! The rectangle room tool is a specialised tool to create rooms of rectangular shape and with the
//! sides of the room parallel to the x and y-axes. This is often useful, when a quick room creation
//! is necessary and the shape of the room does not have to be very special.
use super::Tool;
use crate::client::colours::DEFAULT_COLOURS;
use crate::client::map::Map;
use crate::client::transform::Transform;
use crate::client::FLOAT_MARGIN;
use crate::math::{Rect, Vec2};
use crate::net::{Cargo, Connection};
use crate::world::Room;
use float_cmp::ApproxEq;
use raylib::core::drawing::{RaylibDraw, RaylibDrawHandle};
/// The tool to create simple, rectangular rooms.
pub struct RectRoomTool {
/// The rectangle that is currently being drawn by the user. Once it is finished, it will be
/// pushed into the room_rects.
unfinished_rect: Option<(Vec2<f64>, Vec2<f64>)>,
}
impl RectRoomTool {
/// Create a new room tool where no rooms have been drawn yet. Should be created only once per
/// program instance and by the editor.
#[allow(clippy::new_without_default)]
pub fn new() -> Self {
Self {
unfinished_rect: None,
}
}
}
/* Try to create a rectangle from the given points, but only if they don't create
* a rectangle with no area.
*/
fn try_into_bounding_rect(pos1: Vec2<f64>, pos2: Vec2<f64>) -> Option<Rect<f64>> {
let bounding_rect = Rect::bounding_rect(pos1, pos2);
if !bounding_rect.area().approx_eq(0., FLOAT_MARGIN) {
Some(bounding_rect)
} else {
None
}
}
impl Tool for RectRoomTool {
fn deactivate(&mut self) {
self.unfinished_rect = None;
}
fn update(&mut self, _map: &Map, mouse_pos_m: &Vec2<f64>) {
if let Some((_, ref mut pos2)) = &mut self.unfinished_rect {
*pos2 = *mouse_pos_m;
}
}
fn draw(&self, rld: &mut RaylibDrawHandle, transform: &Transform) {
if let Some((pos1, pos2)) = self.unfinished_rect {
rld.draw_rectangle_rec(
transform.rect_m_to_px(&Rect::bounding_rect(pos1, pos2)),
DEFAULT_COLOURS.room_selected,
);
}
}
fn place_single(
&mut self,
_map: &mut Map,
server: &Connection<Cargo>,
mouse_pos_m: &Vec2<f64>,
) {
// Try to finish the rectangle if it has been started.
if let Some((pos1, pos2)) = self.unfinished_rect {
if let Some(rect) = try_into_bounding_rect(pos1, pos2) {
server.send(Cargo::AddRoom(Room::new(rect.into())));
self.unfinished_rect = None;
}
} else {
self.unfinished_rect = Some((*mouse_pos_m, *mouse_pos_m));
}
}
fn finish(&mut self, _map: &mut Map, server: &Connection<Cargo>) {
if let Some((pos1, pos2)) = self.unfinished_rect {
if let Some(rect) = try_into_bounding_rect(pos1, pos2) {
server.send(Cargo::AddRoom(Room::new(rect.into())));
self.unfinished_rect = None;
}
}
}
fn abort(&mut self) {
self.unfinished_rect = None;
}
}
|
