roguelike-game/src/gui.rs
2022-01-25 09:58:30 -05:00

400 lines
12 KiB
Rust

mod enums;
mod menu;
mod tooltip;
use std::cmp::Ordering;
use ::rltk::{Point, Rltk, RGB};
use ::specs::prelude::*;
pub use enums::*;
pub use menu::*;
use tooltip::draw_tooltips;
use crate::components::{
Attribute, Attributes, Consumable, CursedItem, Duration, Equipped, HungerClock, HungerState,
InBackpack, KnownSpells, MagicItem, MagicItemClass, Name, ObfuscatedName, Pools, StatusEffect,
Viewshed,
};
use crate::game_log::GameLog;
use crate::{camera, colors, Map, MasterDungeonMap, State};
pub fn get_item_color(ecs: &World, item: Entity) -> RGB {
let dm = ecs.fetch::<crate::map::MasterDungeonMap>();
// If the item is cursed, and you have identified it, display it in red
if let Some(name) = ecs.read_storage::<Name>().get(item) {
if ecs.read_storage::<CursedItem>().get(item).is_some()
&& dm.identified_items.contains(&name.name)
{
return colors::RED;
}
}
if let Some(magic) = ecs.read_storage::<MagicItem>().get(item) {
return match magic.class {
MagicItemClass::Common => colors::EQUIP_COMMON,
MagicItemClass::Rare => colors::EQUIP_RARE,
MagicItemClass::Legendary => colors::EQUIP_LEGEND,
};
}
colors::WHITE
}
pub fn get_item_display_name(ecs: &World, item: Entity) -> String {
if let Some(name) = ecs.read_storage::<Name>().get(item) {
if ecs.read_storage::<MagicItem>().get(item).is_some() {
let dm = ecs.fetch::<MasterDungeonMap>();
if dm.identified_items.contains(&name.name) {
if let Some(c) = ecs.read_storage::<Consumable>().get(item) {
if c.max_charges > 1 {
format!("{} ({})", name.name.clone(), c.charges)
} else {
name.name.clone()
}
} else {
name.name.clone()
}
} else if let Some(obfuscated) = ecs.read_storage::<ObfuscatedName>().get(item) {
obfuscated.name.clone()
} else {
"Unidentified magic item".to_string()
}
} else {
name.name.clone()
}
} else {
"Nameless item (bug)".to_string()
}
}
pub fn draw_hollow_box(
console: &mut Rltk,
sx: i32,
sy: i32,
width: i32,
height: i32,
fg: RGB,
bg: RGB,
) {
use rltk::to_cp437;
console.set(sx, sy, fg, bg, to_cp437('┌'));
console.set(sx + width, sy, fg, bg, to_cp437('┐'));
console.set(sx, sy + height, fg, bg, to_cp437('└'));
console.set(sx + width, sy + height, fg, bg, to_cp437('┘'));
for x in sx + 1..sx + width {
console.set(x, sy, fg, bg, to_cp437('─'));
console.set(x, sy + height, fg, bg, to_cp437('─'));
}
for y in sy + 1..sy + height {
console.set(sx, y, fg, bg, to_cp437('│'));
console.set(sx + width, y, fg, bg, to_cp437('│'));
}
}
pub fn draw_ui(ecs: &World, ctx: &mut Rltk) {
use rltk::to_cp437;
draw_hollow_box(ctx, 0, 0, 79, 59, colors::BOX_GRAY, colors::BLACK); // Overall box
draw_hollow_box(ctx, 0, 0, 49, 45, colors::BOX_GRAY, colors::BLACK); // Map box
draw_hollow_box(ctx, 0, 45, 79, 14, colors::BOX_GRAY, colors::BLACK); // Log box
draw_hollow_box(ctx, 49, 0, 30, 8, colors::BOX_GRAY, colors::BLACK); // Top-right panel
ctx.set(0, 45, colors::BOX_GRAY, colors::BLACK, to_cp437('├'));
ctx.set(49, 8, colors::BOX_GRAY, colors::BLACK, to_cp437('├'));
ctx.set(49, 0, colors::BOX_GRAY, colors::BLACK, to_cp437('┬'));
ctx.set(49, 45, colors::BOX_GRAY, colors::BLACK, to_cp437('┴'));
ctx.set(79, 8, colors::BOX_GRAY, colors::BLACK, to_cp437('┤'));
ctx.set(79, 45, colors::BOX_GRAY, colors::BLACK, to_cp437('┤'));
// Draw the town name
let map = ecs.fetch::<Map>();
let name_length = map.name.len() + 2;
let x_pos = (22 - (name_length / 2)) as i32;
ctx.set(x_pos, 0, colors::BOX_GRAY, colors::BLACK, to_cp437('┤'));
ctx.set(
x_pos + name_length as i32,
0,
colors::BOX_GRAY,
colors::BLACK,
to_cp437('├'),
);
ctx.print_color(x_pos + 1, 0, colors::WHITE, colors::BLACK, &map.name);
std::mem::drop(map);
// Draw stats
let player_entity = ecs.fetch::<Entity>();
let pools = ecs.read_storage::<Pools>();
let player_pools = pools.get(*player_entity).unwrap();
let health = format!(
"Health: {}/{}",
player_pools.hit_points.current, player_pools.hit_points.max
);
let mana = format!(
"Mana: {}/{}",
player_pools.mana.current, player_pools.mana.max
);
let xp = format!("Level: {}", player_pools.level);
ctx.print_color(50, 1, colors::WHITE, colors::BLACK, &health);
ctx.print_color(50, 2, colors::WHITE, colors::BLACK, &mana);
ctx.print_color(50, 3, colors::WHITE, colors::BLACK, &xp);
ctx.draw_bar_horizontal(
64,
1,
14,
player_pools.hit_points.current,
player_pools.hit_points.max,
colors::RED,
colors::BLACK,
);
ctx.draw_bar_horizontal(
64,
2,
14,
player_pools.mana.current,
player_pools.mana.max,
colors::BLUE,
colors::BLACK,
);
let xp_level_start = (player_pools.level - 1) * 1000;
ctx.draw_bar_horizontal(
64,
3,
14,
player_pools.xp - xp_level_start,
1000,
colors::GOLD,
colors::BLACK,
);
// Attributes
let attributes = ecs.read_storage::<Attributes>();
let attr = attributes.get(*player_entity).unwrap();
draw_attribute("Might:", &attr.might, 4, ctx);
draw_attribute("Quickness:", &attr.quickness, 5, ctx);
draw_attribute("Fitness:", &attr.fitness, 6, ctx);
draw_attribute("Intelligence:", &attr.intelligence, 7, ctx);
// Initiative and weight
ctx.print_color(
50,
9,
colors::WHITE,
colors::BLACK,
&format!(
"{:.0} lbs ({} lbs max)",
player_pools.total_weight,
(attr.might.base + attr.might.modifiers) * 15
),
);
ctx.print_color(
50,
10,
colors::WHITE,
colors::BLACK,
&format!(
"Initiative Penalty: {:.0}",
player_pools.total_initiative_penalty
),
);
ctx.print_color(
50,
11,
colors::GOLD,
colors::BLACK,
&format!("Gold: {:.1}", player_pools.gold),
);
// Equipped
let mut y = 13;
let entities = ecs.entities();
let equipped = ecs.read_storage::<Equipped>();
for (entity, equipped_by) in (&entities, &equipped).join() {
if equipped_by.owner == *player_entity {
ctx.print_color(
50,
y,
get_item_color(ecs, entity),
colors::BLACK,
&get_item_display_name(ecs, entity),
);
y += 1;
}
}
// Consumables
y += 1;
let consumables = ecs.read_storage::<Consumable>();
let backpack = ecs.read_storage::<InBackpack>();
let mut index = 1;
for (entity, carried_by, _consumable) in (&entities, &backpack, &consumables).join() {
if carried_by.owner == *player_entity && index < 10 {
ctx.print_color(50, y, colors::YELLOW, colors::BLACK, &format!("{}", index));
ctx.print_color(
53,
y,
get_item_color(ecs, entity),
colors::BLACK,
&get_item_display_name(ecs, entity),
);
y += 1;
index += 1;
}
}
// Spells
y += 1;
let known_spells_storage = ecs.read_storage::<KnownSpells>();
let known_spells = &known_spells_storage.get(*player_entity).unwrap().spells;
let mut index = 1;
for spell in known_spells.iter() {
ctx.print_color(50, y, colors::CYAN, colors::BLACK, &format!("^{}", index));
ctx.print_color(
53,
y,
colors::CYAN,
colors::BLACK,
&format!("{} ({})", spell.display_name, spell.mana_cost),
);
index += 1;
y += 1;
}
// Status
y = 44;
let hunger = ecs.read_storage::<HungerClock>();
let hc = hunger.get(*player_entity).unwrap();
match hc.state {
HungerState::WellFed => {
ctx.print_color(50, y, colors::GREEN, colors::BLACK, "Well Fed");
y -= 1;
}
HungerState::Normal => {}
HungerState::Hungry => {
ctx.print_color(50, y, colors::ORANGE, colors::BLACK, "Hungry");
y -= 1;
}
HungerState::Starving => {
ctx.print_color(50, y, colors::RED, colors::BLACK, "Starving");
y -= 1;
}
}
let statuses = ecs.read_storage::<StatusEffect>();
let durations = ecs.read_storage::<Duration>();
let names = ecs.read_storage::<Name>();
for (status, duration, name) in (&statuses, &durations, &names).join() {
if status.target == *player_entity {
ctx.print_color(
50,
y,
colors::RED,
colors::BLACK,
&format!("{} ({})", name.name, duration.turns),
);
y -= 1;
}
}
// Draw the log
let log = ecs.fetch::<GameLog>();
let mut y = 46;
for s in log.entries.iter().rev() {
if y < 59 {
ctx.print(2, y, s);
}
y += 1;
}
draw_tooltips(ecs, ctx);
}
fn draw_attribute(name: &str, attribute: &Attribute, y: i32, ctx: &mut Rltk) {
ctx.print_color(50, y, colors::ATTR_GRAY, colors::BLACK, name);
let color = match attribute.modifiers.cmp(&0) {
Ordering::Less => colors::RED,
Ordering::Equal => colors::WHITE,
Ordering::Greater => colors::GREEN,
};
ctx.print_color(
67,
y,
color,
colors::BLACK,
&format!("{}", attribute.base + attribute.modifiers),
);
ctx.print_color(73, y, color, colors::BLACK, &format!("{}", attribute.bonus));
if attribute.bonus > 0 {
ctx.set(72, y, color, colors::BLACK, rltk::to_cp437('+'));
}
}
pub fn ranged_target(
gs: &mut State,
ctx: &mut Rltk,
range: i32,
) -> (ItemMenuResult, Option<Point>) {
let (min_x, max_x, min_y, max_y) = camera::get_screen_bounds(&gs.ecs, ctx);
let player_entity = gs.ecs.fetch::<Entity>();
let player_pos = gs.ecs.fetch::<Point>();
let viewsheds = gs.ecs.read_storage::<Viewshed>();
ctx.print_color(5, 0, colors::YELLOW, colors::BLACK, "Select Target:");
// Highlight available target cells
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 {
let screen_x = idx.x - min_x;
let screen_y = idx.y - min_y;
if screen_x > 1
&& screen_x < (max_x - min_x) - 1
&& screen_y > 1
&& screen_y < (max_y - min_y) - 1
{
ctx.set_bg(screen_x, screen_y, colors::BLUE);
available_cells.push(idx);
}
}
}
} else {
return (ItemMenuResult::Cancel, None);
}
// 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 {
valid_target = true;
}
}
if valid_target {
ctx.set_bg(mouse_pos.0, mouse_pos.1, colors::CYAN);
if ctx.left_click {
return (
ItemMenuResult::Selected,
Some(Point::new(mouse_map_pos.0, mouse_map_pos.1)),
);
}
} else {
ctx.set_bg(mouse_pos.0, mouse_pos.1, colors::RED);
if ctx.left_click {
return (ItemMenuResult::Cancel, None);
}
}
(ItemMenuResult::NoResponse, None)
}