150 lines
4.1 KiB
Rust
150 lines
4.1 KiB
Rust
use crate::{gamelog::GameLog, CombatStats, Map, Name, Player, Position};
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use rltk::{Point, Rltk, RGB};
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use specs::prelude::*;
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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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// Display player health
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for (_player, stats) in (&players, &combat_stats).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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}
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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 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 mouse_pos = ctx.mouse_pos();
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if mouse_pos.0 >= map.width || mouse_pos.1 >= map.height {
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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) in (&names, &positions).join() {
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let idx = map.xy_idx(position.x, position.y);
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if position.x == mouse_pos.0 && position.y == mouse_pos.1 && map.visible_tiles[idx] {
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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(left_x, y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), s);
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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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