101 lines
2.7 KiB
Rust
101 lines
2.7 KiB
Rust
use ::rltk::prelude::*;
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use ::specs::prelude::*;
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use crate::colors;
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#[derive(PartialEq, Copy, Clone)]
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pub enum ItemMenuResult {
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Cancel,
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NoResponse,
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Selected,
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}
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pub fn menu_box<T: ToString>(draw_batch: &mut DrawBatch, x: i32, y: i32, width: i32, title: T) {
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draw_batch.draw_box(
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Rect::with_size(x, y - 2, 31, width),
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ColorPair::new(colors::WHITE, colors::BLACK),
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);
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draw_batch.print_color(
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Point::new(18, y - 2),
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&title.to_string(),
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ColorPair::new(colors::MAGENTA, colors::BLACK),
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);
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}
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pub fn menu_option<T: ToString>(
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draw_batch: &mut DrawBatch,
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x: i32,
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y: i32,
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hotkey: ::rltk::FontCharType,
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text: T,
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) {
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draw_batch.set(
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Point::new(x, y),
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ColorPair::new(colors::WHITE, colors::BLACK),
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to_cp437('('),
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);
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draw_batch.set(
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Point::new(x + 1, y),
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ColorPair::new(colors::YELLOW, colors::BLACK),
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hotkey,
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);
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draw_batch.set(
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Point::new(x + 2, y),
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ColorPair::new(colors::WHITE, colors::BLACK),
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to_cp437(')'),
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);
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draw_batch.print_color(
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Point::new(x + 5, y),
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&text.to_string(),
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ColorPair::new(colors::YELLOW, colors::BLACK),
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);
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}
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pub fn item_result_menu<S: ToString>(
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draw_batch: &mut DrawBatch,
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title: S,
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count: usize,
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items: &[(Entity, String)],
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key: Option<VirtualKeyCode>,
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) -> (ItemMenuResult, Option<Entity>) {
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let mut y = (25 - (count / 2)) as i32;
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draw_batch.draw_box(
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Rect::with_size(15, y - 2, 31, (count + 3) as i32),
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ColorPair::new(colors::WHITE, colors::BLACK),
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);
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draw_batch.print_color(
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Point::new(18, y - 2),
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&title.to_string(),
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ColorPair::new(colors::YELLOW, colors::BLACK),
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);
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draw_batch.print_color(
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Point::new(18, y + count as i32 + 1),
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"ESCAPE to cancel",
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ColorPair::new(colors::YELLOW, colors::BLACK),
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);
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let mut item_list: Vec<Entity> = Vec::new();
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for (j, item) in items.iter().enumerate() {
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menu_option(draw_batch, 17, y, 97 + j as FontCharType, &item.1);
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item_list.push(item.0);
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y += 1;
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}
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match key {
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None => (ItemMenuResult::NoResponse, None),
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Some(key) => match key {
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VirtualKeyCode::Escape => (ItemMenuResult::Cancel, None),
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_ => {
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let selection = ::rltk::letter_to_option(key);
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if selection > -1 && selection < count as i32 {
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return (
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ItemMenuResult::Selected,
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Some(item_list[selection as usize]),
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);
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}
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(ItemMenuResult::NoResponse, None)
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}
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},
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}
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}
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