742 lines
20 KiB
Rust
742 lines
20 KiB
Rust
use ::rltk::{Point, Rltk, VirtualKeyCode, RGB};
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use ::specs::prelude::*;
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use crate::components::{
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CombatStats, HungerClock, HungerState, InBackpack, Name, Player, Position, Viewshed,
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};
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use crate::game_log::GameLog;
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use crate::rex_assets::RexAssets;
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use crate::{camera, Equipped, Hidden, Map, RunState, State};
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pub fn draw_ui(ecs: &World, ctx: &mut Rltk) {
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ctx.draw_box(
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0,
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43,
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79,
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6,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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);
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let combat_stats = ecs.read_storage::<CombatStats>();
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let players = ecs.read_storage::<Player>();
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let hunger = ecs.read_storage::<HungerClock>();
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// Display player health
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for (_player, stats, hc) in (&players, &combat_stats, &hunger).join() {
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let health = format!(" HP: {} / {} ", stats.hp, stats.max_hp);
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ctx.print_color(
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12,
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43,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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&health,
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);
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ctx.draw_bar_horizontal(
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29,
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43,
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51,
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stats.hp,
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stats.max_hp,
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RGB::named(rltk::RED),
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RGB::named(rltk::BLACK),
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);
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match hc.state {
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HungerState::WellFed => ctx.print_color(
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71,
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42,
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RGB::named(rltk::GREEN),
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RGB::named(rltk::BLACK),
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"Well Fed",
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),
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HungerState::Normal => {}
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HungerState::Hungry => ctx.print_color(
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71,
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42,
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RGB::named(rltk::ORANGE),
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RGB::named(rltk::BLACK),
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"Hungry",
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),
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HungerState::Starving => ctx.print_color(
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71,
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42,
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RGB::named(rltk::RED),
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RGB::named(rltk::BLACK),
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"Starving",
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),
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}
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}
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let map = ecs.fetch::<Map>();
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let depth = format!("Depth: {}", map.depth);
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ctx.print_color(
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2,
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43,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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&depth,
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);
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// Display logs
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let log = ecs.fetch::<GameLog>();
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let mut y = 44;
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for s in log.entries.iter().rev() {
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if y < 49 {
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ctx.print(2, y, s);
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}
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y += 1;
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}
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// Mouse cursor
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let mouse_pos = ctx.mouse_pos();
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ctx.set_bg(mouse_pos.0, mouse_pos.1, RGB::named(rltk::MAGENTA));
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draw_tooltips(ecs, ctx);
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}
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fn draw_tooltips(ecs: &World, ctx: &mut Rltk) {
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let (min_x, _max_x, min_y, _max_y) = camera::get_screen_bounds(ecs, ctx);
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let map = ecs.fetch::<Map>();
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let names = ecs.read_storage::<Name>();
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let positions = ecs.read_storage::<Position>();
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let hidden = ecs.read_storage::<Hidden>();
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let mouse_pos = ctx.mouse_pos();
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let mut mouse_map_pos = mouse_pos;
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mouse_map_pos.0 += min_x;
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mouse_map_pos.1 += min_y;
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if mouse_map_pos.0 >= map.width - 1
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|| mouse_map_pos.1 >= map.height - 1
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|| mouse_map_pos.0 < 1
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|| mouse_map_pos.1 < 1
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{
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return;
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}
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if !map.visible_tiles[map.xy_idx(mouse_map_pos.0, mouse_map_pos.1)] {
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return;
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}
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let mut tooltip: Vec<String> = Vec::new();
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for (name, position, _hidden) in (&names, &positions, !&hidden).join() {
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if position.x == mouse_map_pos.0 && position.y == mouse_map_pos.1 {
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tooltip.push(name.name.to_string());
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}
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}
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if !tooltip.is_empty() {
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let mut width: i32 = 0;
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for s in tooltip.iter() {
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if width < s.len() as i32 {
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width = s.len() as i32;
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}
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}
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width += 3;
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if mouse_pos.0 > 40 {
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let arrow_pos = Point::new(mouse_pos.0 - 2, mouse_pos.1);
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let left_x = mouse_pos.0 - width;
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let mut y = mouse_pos.1;
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for s in tooltip.iter() {
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ctx.print_color(
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left_x,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::GREY),
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s,
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);
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let padding = (width - s.len() as i32) - 1;
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for i in 0..padding {
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ctx.print_color(
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arrow_pos.x - i,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::GREY),
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&" ".to_string(),
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);
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}
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y += 1;
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}
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ctx.print_color(
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arrow_pos.x,
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arrow_pos.y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::GREY),
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&"->".to_string(),
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);
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} else {
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let arrow_pos = Point::new(mouse_pos.0 + 1, mouse_pos.1);
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let left_x = mouse_pos.0 + 3;
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let mut y = mouse_pos.1;
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for s in tooltip.iter() {
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ctx.print_color(
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left_x + 1,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::GREY),
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s,
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);
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let padding = (width - s.len() as i32) - 1;
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for i in 0..padding {
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ctx.print_color(
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arrow_pos.x + 1 + i,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::GREY),
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&" ".to_string(),
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);
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}
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y += 1;
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}
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ctx.print_color(
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arrow_pos.x,
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arrow_pos.y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::GREY),
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&"<-".to_string(),
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);
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}
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}
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}
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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 show_inventory(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<Entity>) {
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let player_entity = gs.ecs.fetch::<Entity>();
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let names = gs.ecs.read_storage::<Name>();
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let backpack = gs.ecs.read_storage::<InBackpack>();
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let entities = gs.ecs.entities();
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let inventory = (&backpack, &names)
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.join()
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.filter(|item| item.0.owner == *player_entity);
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let count = inventory.count();
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let mut y = (25 - (count / 2)) as i32;
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ctx.draw_box(
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15,
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y - 2,
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31,
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(count + 3) as i32,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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);
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ctx.print_color(
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18,
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y - 2,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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"Inventory",
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);
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ctx.print_color(
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18,
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y + count as i32 + 1,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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"ESCAPE to cancel",
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);
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let mut equippable: Vec<Entity> = Vec::new();
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let mut j = 0;
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#[allow(clippy::explicit_counter_loop)]
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for (entity, _pack, name) in (&entities, &backpack, &names)
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.join()
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.filter(|item| item.1.owner == *player_entity)
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{
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ctx.set(
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17,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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rltk::to_cp437('('),
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);
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ctx.set(
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18,
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y,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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97 + j as rltk::FontCharType,
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);
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ctx.set(
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19,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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rltk::to_cp437(')'),
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);
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ctx.print(21, y, &name.name.to_string());
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equippable.push(entity);
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y += 1;
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j += 1;
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}
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match ctx.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(equippable[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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pub fn drop_item_menu(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<Entity>) {
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let player_entity = gs.ecs.fetch::<Entity>();
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let names = gs.ecs.read_storage::<Name>();
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let backpack = gs.ecs.read_storage::<InBackpack>();
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let entities = gs.ecs.entities();
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let inventory = (&backpack, &names)
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.join()
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.filter(|item| item.0.owner == *player_entity);
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let count = inventory.count();
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let mut y = (25 - (count / 2)) as i32;
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ctx.draw_box(
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15,
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y - 2,
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31,
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(count + 3) as i32,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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);
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ctx.print_color(
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18,
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y - 2,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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"Drop Which Item?",
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);
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ctx.print_color(
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18,
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y + count as i32 + 1,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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"ESCAPE to cancel",
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);
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let mut equippable: Vec<Entity> = Vec::new();
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let mut j = 0;
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#[allow(clippy::explicit_counter_loop)]
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for (entity, _pack, name) in (&entities, &backpack, &names)
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.join()
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.filter(|item| item.1.owner == *player_entity)
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{
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ctx.set(
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17,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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rltk::to_cp437('('),
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);
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ctx.set(
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18,
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y,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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97 + j as rltk::FontCharType,
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);
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ctx.set(
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19,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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rltk::to_cp437(')'),
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);
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ctx.print(21, y, &name.name.to_string());
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equippable.push(entity);
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y += 1;
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j += 1;
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}
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match ctx.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(equippable[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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pub fn remove_item_menu(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<Entity>) {
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let player_entity = gs.ecs.fetch::<Entity>();
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let names = gs.ecs.read_storage::<Name>();
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let backpack = gs.ecs.read_storage::<Equipped>();
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let entities = gs.ecs.entities();
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let inventory = (&backpack, &names)
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.join()
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.filter(|item| item.0.owner == *player_entity);
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let count = inventory.count();
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let mut y = (25 - (count / 2)) as i32;
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ctx.draw_box(
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15,
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y - 2,
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31,
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(count + 3) as i32,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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);
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ctx.print_color(
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18,
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y - 2,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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"Remove Which Item?",
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);
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ctx.print_color(
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18,
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y + count as i32 + 1,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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"ESCAPE to cancel",
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);
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let mut equippable: Vec<Entity> = Vec::new();
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let mut j = 0;
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#[allow(clippy::explicit_counter_loop)]
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for (entity, _pack, name) in (&entities, &backpack, &names)
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.join()
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.filter(|item| item.1.owner == *player_entity)
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{
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ctx.set(
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17,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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rltk::to_cp437('('),
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);
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ctx.set(
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18,
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y,
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RGB::named(rltk::YELLOW),
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RGB::named(rltk::BLACK),
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97 + j as rltk::FontCharType,
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);
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ctx.set(
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19,
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y,
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RGB::named(rltk::WHITE),
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RGB::named(rltk::BLACK),
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rltk::to_cp437(')'),
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);
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ctx.print(21, y, &name.name.to_string());
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equippable.push(entity);
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y += 1;
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j += 1;
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}
|
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|
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match ctx.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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_ => {
|
|
let selection = rltk::letter_to_option(key);
|
|
if selection > -1 && selection < count as i32 {
|
|
return (
|
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ItemMenuResult::Selected,
|
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Some(equippable[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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pub fn ranged_target(
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gs: &mut State,
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ctx: &mut Rltk,
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range: i32,
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) -> (ItemMenuResult, Option<Point>) {
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let (min_x, max_x, min_y, max_y) = camera::get_screen_bounds(&gs.ecs, ctx);
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let player_entity = gs.ecs.fetch::<Entity>();
|
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let player_pos = gs.ecs.fetch::<Point>();
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let viewsheds = gs.ecs.read_storage::<Viewshed>();
|
|
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ctx.print_color(
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5,
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0,
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RGB::named(rltk::YELLOW),
|
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RGB::named(rltk::BLACK),
|
|
"Select Target:",
|
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);
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|
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// Highlight available target cells
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|
let mut available_cells = Vec::new();
|
|
if let Some(visible) = viewsheds.get(*player_entity) {
|
|
for idx in visible.visible_tiles.iter() {
|
|
let distance = rltk::DistanceAlg::Pythagoras.distance2d(*player_pos, *idx);
|
|
if distance <= range as f32 {
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let screen_x = idx.x - min_x;
|
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let screen_y = idx.y - min_y;
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|
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if screen_x > 1
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&& screen_x < (max_x - min_x) - 1
|
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&& screen_y > 1
|
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&& screen_y < (max_y - min_y) - 1
|
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{
|
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ctx.set_bg(screen_x, screen_y, RGB::named(rltk::BLUE));
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available_cells.push(idx);
|
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}
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}
|
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}
|
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} else {
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return (ItemMenuResult::Cancel, None);
|
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}
|
|
|
|
// Draw mouse cursor
|
|
let mouse_pos = ctx.mouse_pos();
|
|
let mut mouse_map_pos = mouse_pos;
|
|
mouse_map_pos.0 += min_x;
|
|
mouse_map_pos.1 += min_y;
|
|
let mut valid_target = false;
|
|
for idx in available_cells.iter() {
|
|
if idx.x == mouse_map_pos.0 && idx.y == mouse_map_pos.1 {
|
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valid_target = true;
|
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}
|
|
}
|
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|
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if valid_target {
|
|
ctx.set_bg(mouse_pos.0, mouse_pos.1, RGB::named(rltk::CYAN));
|
|
if ctx.left_click {
|
|
return (
|
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ItemMenuResult::Selected,
|
|
Some(Point::new(mouse_map_pos.0, mouse_map_pos.1)),
|
|
);
|
|
}
|
|
} else {
|
|
ctx.set_bg(mouse_pos.0, mouse_pos.1, RGB::named(rltk::RED));
|
|
if ctx.left_click {
|
|
return (ItemMenuResult::Cancel, None);
|
|
}
|
|
}
|
|
|
|
(ItemMenuResult::NoResponse, None)
|
|
}
|
|
|
|
#[derive(PartialEq, Copy, Clone)]
|
|
pub enum MainMenuSelection {
|
|
NewGame,
|
|
LoadGame,
|
|
Quit,
|
|
}
|
|
|
|
#[derive(PartialEq, Copy, Clone)]
|
|
pub enum MainMenuResult {
|
|
NoSelection { selected: MainMenuSelection },
|
|
Selected { selected: MainMenuSelection },
|
|
}
|
|
|
|
pub fn main_menu(gs: &mut State, ctx: &mut Rltk) -> MainMenuResult {
|
|
let save_exists = crate::saveload_system::does_save_exist();
|
|
let runstate = gs.ecs.fetch::<RunState>();
|
|
let assets = gs.ecs.fetch::<RexAssets>();
|
|
ctx.render_xp_sprite(&assets.menu, 0, 0);
|
|
|
|
ctx.draw_box_double(
|
|
24,
|
|
18,
|
|
31,
|
|
10,
|
|
RGB::named(rltk::WHEAT),
|
|
RGB::named(rltk::BLACK),
|
|
);
|
|
|
|
ctx.print_color_centered(
|
|
20,
|
|
RGB::named(rltk::YELLOW),
|
|
RGB::named(rltk::BLACK),
|
|
"Rust Roguelike Tutorial",
|
|
);
|
|
ctx.print_color_centered(
|
|
21,
|
|
RGB::named(rltk::CYAN),
|
|
RGB::named(rltk::BLACK),
|
|
"by Herbert Wolverson",
|
|
);
|
|
ctx.print_color_centered(
|
|
22,
|
|
RGB::named(rltk::GRAY),
|
|
RGB::named(rltk::BLACK),
|
|
"Use Up/Down Arrows and Enter",
|
|
);
|
|
|
|
let mut y = 24;
|
|
if let RunState::MainMenu {
|
|
menu_selection: selection,
|
|
} = *runstate
|
|
{
|
|
if selection == MainMenuSelection::NewGame {
|
|
ctx.print_color_centered(
|
|
y,
|
|
RGB::named(rltk::MAGENTA),
|
|
RGB::named(rltk::BLACK),
|
|
"Begin New Game",
|
|
);
|
|
} else {
|
|
ctx.print_color_centered(
|
|
y,
|
|
RGB::named(rltk::WHITE),
|
|
RGB::named(rltk::BLACK),
|
|
"Begin New Game",
|
|
);
|
|
}
|
|
y += 1;
|
|
|
|
if save_exists {
|
|
if selection == MainMenuSelection::LoadGame {
|
|
ctx.print_color_centered(
|
|
y,
|
|
RGB::named(rltk::MAGENTA),
|
|
RGB::named(rltk::BLACK),
|
|
"Load Game",
|
|
);
|
|
} else {
|
|
ctx.print_color_centered(
|
|
y,
|
|
RGB::named(rltk::WHITE),
|
|
RGB::named(rltk::BLACK),
|
|
"Load Game",
|
|
);
|
|
}
|
|
y += 1;
|
|
}
|
|
|
|
if selection == MainMenuSelection::Quit {
|
|
ctx.print_color_centered(
|
|
y,
|
|
RGB::named(rltk::MAGENTA),
|
|
RGB::named(rltk::BLACK),
|
|
"Quit",
|
|
);
|
|
} else {
|
|
ctx.print_color_centered(y, RGB::named(rltk::WHITE), RGB::named(rltk::BLACK), "Quit");
|
|
}
|
|
|
|
return match ctx.key {
|
|
None => MainMenuResult::NoSelection {
|
|
selected: selection,
|
|
},
|
|
Some(key) => match key {
|
|
VirtualKeyCode::Escape => MainMenuResult::NoSelection {
|
|
selected: MainMenuSelection::Quit,
|
|
},
|
|
VirtualKeyCode::Up => MainMenuResult::NoSelection {
|
|
selected: match selection {
|
|
MainMenuSelection::NewGame => MainMenuSelection::Quit,
|
|
MainMenuSelection::LoadGame => MainMenuSelection::NewGame,
|
|
MainMenuSelection::Quit => {
|
|
if save_exists {
|
|
MainMenuSelection::LoadGame
|
|
} else {
|
|
MainMenuSelection::NewGame
|
|
}
|
|
}
|
|
},
|
|
},
|
|
VirtualKeyCode::Down => MainMenuResult::NoSelection {
|
|
selected: match selection {
|
|
MainMenuSelection::NewGame => {
|
|
if save_exists {
|
|
MainMenuSelection::LoadGame
|
|
} else {
|
|
MainMenuSelection::Quit
|
|
}
|
|
}
|
|
MainMenuSelection::LoadGame => MainMenuSelection::Quit,
|
|
MainMenuSelection::Quit => MainMenuSelection::NewGame,
|
|
},
|
|
},
|
|
VirtualKeyCode::Return => MainMenuResult::Selected {
|
|
selected: selection,
|
|
},
|
|
_ => MainMenuResult::NoSelection {
|
|
selected: selection,
|
|
},
|
|
},
|
|
};
|
|
}
|
|
|
|
MainMenuResult::NoSelection {
|
|
selected: MainMenuSelection::NewGame,
|
|
}
|
|
}
|
|
|
|
#[derive(PartialEq, Copy, Clone)]
|
|
pub enum GameOverResult {
|
|
NoSelection,
|
|
QuitToMenu,
|
|
}
|
|
|
|
pub fn game_over(ctx: &mut Rltk) -> GameOverResult {
|
|
ctx.print_color_centered(
|
|
15,
|
|
RGB::named(rltk::YELLOW),
|
|
RGB::named(rltk::BLACK),
|
|
"Your journey has ended!",
|
|
);
|
|
ctx.print_color_centered(
|
|
17,
|
|
RGB::named(rltk::WHITE),
|
|
RGB::named(rltk::BLACK),
|
|
"One day, we'll tell you all about how you did.",
|
|
);
|
|
ctx.print_color_centered(
|
|
18,
|
|
RGB::named(rltk::WHITE),
|
|
RGB::named(rltk::BLACK),
|
|
"That day, sadly, is not in this chapter...",
|
|
);
|
|
|
|
ctx.print_color_centered(
|
|
20,
|
|
RGB::named(rltk::MAGENTA),
|
|
RGB::named(rltk::BLACK),
|
|
"Press any key to return to the menu.",
|
|
);
|
|
|
|
match ctx.key {
|
|
None => GameOverResult::NoSelection,
|
|
Some(_) => GameOverResult::QuitToMenu,
|
|
}
|
|
}
|