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use super::Tool;
use crate::map_data::MapData;
use crate::math::{Rect, Vec2};
use crate::transform::Transform;
use raylib::core::drawing::{RaylibDraw, RaylibDrawHandle};
use raylib::ffi::{Color, MouseButton};
use raylib::RaylibHandle;
pub struct DeletionTool {
deletion_rect: Option<(Vec2<f32>, Vec2<f32>)>,
}
impl DeletionTool {
pub fn new() -> Self {
Self {
deletion_rect: None,
}
}
/// Delete all map-data that is contained inside the provided rectangular space.
pub fn delete_rect(map_data: &mut MapData, rect: Rect<f32>) {
map_data
.rooms_mut()
.retain(|&room| !rect.contains_rect(room));
map_data
.walls_mut()
.retain(|&(pos1, pos2)| !rect.contains(pos1) || !rect.contains(pos2));
}
}
impl Tool for DeletionTool {
fn active_update(&mut self, map_data: &mut MapData, rl: &RaylibHandle, transform: &Transform) {
let mouse_pos_m = transform.point_px_to_m(rl.get_mouse_position().into());
if let Some((_, ref mut pos2)) = &mut self.deletion_rect {
*pos2 = mouse_pos_m;
}
if rl.is_mouse_button_pressed(MouseButton::MOUSE_LEFT_BUTTON) {
if let Some((pos1, pos2)) = self.deletion_rect {
Self::delete_rect(map_data, Rect::bounding_rect(pos1, pos2));
self.deletion_rect = None;
} else {
self.deletion_rect = Some((mouse_pos_m, mouse_pos_m))
}
}
// Abort deletion.
if rl.is_mouse_button_pressed(MouseButton::MOUSE_RIGHT_BUTTON) {
self.deletion_rect = None;
}
}
fn draw(&self, map_data: &MapData, rld: &mut RaylibDrawHandle, transform: &Transform) {
if let Some((pos1, pos2)) = self.deletion_rect {
let rect_px = transform.rect_m_to_px(Rect::bounding_rect(pos1, pos2));
rld.draw_rectangle_rec(
rect_px,
Color {
r: 200,
g: 150,
b: 150,
a: 50,
},
);
rld.draw_rectangle_lines_ex(
rect_px,
4,
Color {
r: 200,
g: 150,
b: 150,
a: 150,
},
);
}
}
}
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