605 lines
18 KiB
Rust
605 lines
18 KiB
Rust
use std::collections::{HashMap, HashSet};
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use ::regex::Regex;
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use ::rltk::{RandomNumberGenerator, RGB};
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use ::specs::prelude::*;
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use ::specs::saveload::{MarkedBuilder, SimpleMarker};
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use crate::components::*;
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use crate::gamesystem::{mana_at_level, npc_hp};
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use crate::random_table::RandomTable;
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use crate::raws::{Raws, Reaction};
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pub fn parse_dice_string(dice: &str) -> (i32, i32, i32) {
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lazy_static! {
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static ref DICE_RE: Regex = Regex::new(r"(\d+)d(\d+)([\+\-]\d+)?").unwrap();
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}
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let mut n_dice = 1;
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let mut die_type = 4;
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let mut die_bonus = 0;
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for cap in DICE_RE.captures_iter(dice) {
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if let Some(group) = cap.get(1) {
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n_dice = group.as_str().parse::<i32>().expect("Not a digit");
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}
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if let Some(group) = cap.get(2) {
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die_type = group.as_str().parse::<i32>().expect("Not a digit");
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}
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if let Some(group) = cap.get(3) {
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die_bonus = group.as_str().parse::<i32>().expect("Not a digit");
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}
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}
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(n_dice, die_type, die_bonus)
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}
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pub enum SpawnType {
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AtPosition { x: i32, y: i32 },
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Equipped { by: Entity },
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Carried { by: Entity },
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}
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pub struct RawMaster {
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raws: Raws,
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item_index: HashMap<String, usize>,
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mob_index: HashMap<String, usize>,
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prop_index: HashMap<String, usize>,
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loot_index: HashMap<String, usize>,
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faction_index: HashMap<String, HashMap<String, Reaction>>,
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}
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impl RawMaster {
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pub fn empty() -> RawMaster {
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RawMaster {
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raws: Raws {
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items: Vec::new(),
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mobs: Vec::new(),
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props: Vec::new(),
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spawn_table: Vec::new(),
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loot_tables: Vec::new(),
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faction_table: Vec::new(),
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},
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item_index: HashMap::new(),
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mob_index: HashMap::new(),
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prop_index: HashMap::new(),
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loot_index: HashMap::new(),
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faction_index: HashMap::new(),
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}
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}
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pub fn load(&mut self, raws: Raws) {
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self.raws = raws;
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self.item_index = HashMap::new();
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let mut used_names: HashSet<String> = HashSet::new();
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for (i, item) in self.raws.items.iter().enumerate() {
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if used_names.contains(&item.name) {
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rltk::console::log(format!(
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"WARNING - duplicate item name in raws [{}]",
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item.name
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));
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}
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self.item_index.insert(item.name.clone(), i);
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used_names.insert(item.name.clone());
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}
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for (i, mob) in self.raws.mobs.iter().enumerate() {
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if used_names.contains(&mob.name) {
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rltk::console::log(format!(
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"WARNING - duplicate mob name in raws [{}]",
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mob.name
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));
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}
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self.mob_index.insert(mob.name.clone(), i);
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used_names.insert(mob.name.clone());
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}
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for (i, prop) in self.raws.props.iter().enumerate() {
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if used_names.contains(&prop.name) {
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rltk::console::log(format!(
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"WARNING - duplicate prop name in raws [{}]",
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prop.name
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));
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}
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self.prop_index.insert(prop.name.clone(), i);
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used_names.insert(prop.name.clone());
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}
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for spawn in self.raws.spawn_table.iter() {
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if !used_names.contains(&spawn.name) {
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rltk::console::log(format!(
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"WARNING - Spawn tables references unspecified entity {}",
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spawn.name
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));
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}
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}
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for (i, loot) in self.raws.loot_tables.iter().enumerate() {
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self.loot_index.insert(loot.name.clone(), i);
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}
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for faction in self.raws.faction_table.iter() {
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let mut reactions: HashMap<String, Reaction> = HashMap::new();
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for other in faction.responses.iter() {
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reactions.insert(
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other.0.clone(),
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match other.1.as_str() {
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"ignore" => Reaction::Ignore,
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"flee" => Reaction::Flee,
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_ => Reaction::Attack,
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},
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);
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}
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self.faction_index.insert(faction.name.clone(), reactions);
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}
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}
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}
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#[inline(always)]
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pub fn faction_reaction(my_faction: &str, their_faction: &str, raws: &RawMaster) -> Reaction {
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if raws.faction_index.contains_key(my_faction) {
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let mf = &raws.faction_index[my_faction];
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return if mf.contains_key(their_faction) {
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mf[their_faction]
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} else if mf.contains_key("Default") {
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mf["Default"]
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} else {
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Reaction::Ignore
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};
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}
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Reaction::Ignore
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}
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fn find_slot_for_equippable_item(tag: &str, raws: &RawMaster) -> EquipmentSlot {
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if !raws.item_index.contains_key(tag) {
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panic!("Trying to equip an unknown item: {}", tag);
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}
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let item_index = raws.item_index[tag];
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let item = &raws.raws.items[item_index];
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if item.weapon.is_some() {
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return EquipmentSlot::Melee;
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} else if let Some(wearable) = &item.wearable {
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return string_to_slot(&wearable.slot);
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}
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panic!("Trying to equip {}, but it has not slot tag", tag);
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}
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fn spawn_position<'a>(
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pos: SpawnType,
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new_entity: EntityBuilder<'a>,
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tag: &str,
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raws: &RawMaster,
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) -> EntityBuilder<'a> {
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let eb = new_entity;
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// Spawn in the specified location
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match pos {
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SpawnType::AtPosition { x, y } => eb.with(Position { x, y }),
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SpawnType::Carried { by } => eb.with(InBackpack { owner: by }),
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SpawnType::Equipped { by } => {
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let slot = find_slot_for_equippable_item(tag, raws);
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eb.with(Equipped { owner: by, slot })
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}
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}
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}
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fn get_renderable_component(
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renderable: &super::item_structs::Renderable,
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) -> crate::components::Renderable {
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crate::components::Renderable {
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glyph: rltk::to_cp437(renderable.glyph.chars().next().unwrap()),
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fg: rltk::RGB::from_hex(&renderable.fg).expect("Invalid RGB"),
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bg: rltk::RGB::from_hex(&renderable.bg).expect("Invalid RGB"),
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render_order: renderable.order,
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}
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}
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pub fn string_to_slot(slot: &str) -> EquipmentSlot {
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match slot {
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"Shield" => EquipmentSlot::Shield,
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"Head" => EquipmentSlot::Head,
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"Torso" => EquipmentSlot::Torso,
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"Legs" => EquipmentSlot::Legs,
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"Feet" => EquipmentSlot::Feet,
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"Hands" => EquipmentSlot::Hands,
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"Melee" => EquipmentSlot::Melee,
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_ => {
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rltk::console::log(format!("Warning: unknown equipment slot type [{}]", slot));
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EquipmentSlot::Melee
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}
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}
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}
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pub fn spawn_named_item(
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raws: &RawMaster,
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ecs: &mut World,
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key: &str,
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pos: SpawnType,
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) -> Option<Entity> {
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if raws.item_index.contains_key(key) {
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let item_template = &raws.raws.items[raws.item_index[key]];
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let mut eb = ecs.create_entity().marked::<SimpleMarker<SerializeMe>>();
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// Spawn in the specified location
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eb = spawn_position(pos, eb, key, raws);
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// Renderable
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if let Some(renderable) = &item_template.renderable {
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eb = eb.with(get_renderable_component(renderable));
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}
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eb = eb.with(Name::from(&item_template.name));
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eb = eb.with(Item {});
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if let Some(consumable) = &item_template.consumable {
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eb = eb.with(Consumable {});
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for effect in consumable.effects.iter() {
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let effect_name = effect.0.as_str();
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match effect_name {
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"provides_healing" => {
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eb = eb.with(ProvidesHealing {
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heal_amount: effect.1.parse::<i32>().unwrap(),
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})
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}
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"ranged" => {
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eb = eb.with(Ranged {
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range: effect.1.parse::<i32>().unwrap(),
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})
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}
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"damage" => {
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eb = eb.with(InflictsDamage {
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damage: effect.1.parse::<i32>().unwrap(),
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})
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}
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"area_of_effect" => {
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eb = eb.with(AreaOfEffect {
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radius: effect.1.parse::<i32>().unwrap(),
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})
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}
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"confusion" => {
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eb = eb.with(Confusion {
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turns: effect.1.parse::<i32>().unwrap(),
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})
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}
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"magic_mapping" => eb = eb.with(MagicMapper {}),
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"food" => eb = eb.with(ProvidesFood {}),
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_ => {
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rltk::console::log(format!(
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"Warning: consumable effect {} not implemented.",
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effect_name
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));
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}
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}
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}
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}
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if let Some(weapon) = &item_template.weapon {
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eb = eb.with(Equippable {
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slot: EquipmentSlot::Melee,
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});
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let (n_dice, die_type, bonus) = parse_dice_string(&weapon.base_damage);
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let mut wpn = MeleeWeapon {
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attribute: WeaponAttribute::Might,
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damage_n_dice: n_dice,
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damage_die_type: die_type,
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damage_bonus: bonus,
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hit_bonus: weapon.hit_bonus,
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};
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wpn.attribute = match weapon.attribute.as_str() {
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"Quickness" => WeaponAttribute::Quickness,
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_ => WeaponAttribute::Might,
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};
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eb = eb.with(wpn);
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}
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if let Some(wearable) = &item_template.wearable {
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let slot = string_to_slot(&wearable.slot);
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eb = eb.with(Equippable { slot });
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eb = eb.with(Wearable {
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slot,
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armor_class: wearable.armor_class,
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});
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}
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return Some(eb.build());
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}
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None
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}
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pub fn spawn_named_mob(
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raws: &RawMaster,
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ecs: &mut World,
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key: &str,
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pos: SpawnType,
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) -> Option<Entity> {
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if raws.mob_index.contains_key(key) {
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let mob_template = &raws.raws.mobs[raws.mob_index[key]];
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let mut eb = ecs.create_entity().marked::<SimpleMarker<SerializeMe>>();
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// Spawn in the specified location
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eb = spawn_position(pos, eb, key, raws);
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// Initiative of 2
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eb = eb.with(Initiative { current: 2 });
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// Renderable
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if let Some(renderable) = &mob_template.renderable {
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eb = eb.with(get_renderable_component(renderable));
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}
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eb = eb.with(Name::from(&mob_template.name));
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eb = match mob_template.movement.as_ref() {
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"random" => eb.with(MoveMode {
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mode: Movement::Random,
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}),
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_ => eb.with(MoveMode {
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mode: Movement::Static,
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}),
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};
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// Quips
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if let Some(quips) = &mob_template.quips {
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eb = eb.with(Quips {
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available: quips.clone(),
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});
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}
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if mob_template.blocks_tile {
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eb = eb.with(BlocksTile {});
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}
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let mut mob_fitness = 11;
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let mut mob_int = 11;
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let mut attr = Attributes {
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might: Attribute::new(11),
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fitness: Attribute::new(11),
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quickness: Attribute::new(11),
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intelligence: Attribute::new(11),
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};
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if let Some(might) = mob_template.attributes.might {
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attr.might = Attribute::new(might);
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}
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if let Some(fitness) = mob_template.attributes.fitness {
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attr.fitness = Attribute::new(fitness);
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mob_fitness = fitness;
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}
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if let Some(quickness) = mob_template.attributes.quickness {
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attr.quickness = Attribute::new(quickness);
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}
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if let Some(intelligence) = mob_template.attributes.intelligence {
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attr.intelligence = Attribute::new(intelligence);
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mob_int = intelligence;
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}
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eb = eb.with(attr);
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let mob_level = if mob_template.level.is_some() {
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mob_template.level.unwrap()
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} else {
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1
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};
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let mob_hp = npc_hp(mob_fitness, mob_level);
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let mob_mana = mana_at_level(mob_int, mob_level);
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let pools = Pools {
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level: mob_level,
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xp: 0,
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hit_points: Pool {
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current: mob_hp,
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max: mob_hp,
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},
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mana: Pool {
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current: mob_mana,
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max: mob_mana,
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},
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};
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eb = eb.with(pools);
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let mut skills = Skills::new(1);
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if let Some(mobskills) = &mob_template.skills {
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for sk in mobskills.iter() {
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match sk.0.as_str() {
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"Melee" => {
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skills.skills.insert(Skill::Melee, *sk.1);
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}
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"Defense" => {
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skills.skills.insert(Skill::Defense, *sk.1);
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}
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"Magic" => {
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skills.skills.insert(Skill::Magic, *sk.1);
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}
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_ => {
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::rltk::console::log(format!("Unknown skill referenced [{}]", sk.0));
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}
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}
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}
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}
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eb = eb.with(skills);
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eb = eb.with(Viewshed {
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visible_tiles: Vec::new(),
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range: mob_template.vision_range,
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dirty: true,
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});
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if let Some(na) = &mob_template.natural {
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let mut nature = NaturalAttackDefense {
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armor_class: na.armor_class,
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attacks: Vec::new(),
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};
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if let Some(attacks) = &na.attacks {
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for nattack in attacks.iter() {
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let (n, d, b) = parse_dice_string(&nattack.damage);
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let attack = NaturalAttack {
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name: nattack.name.clone(),
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hit_bonus: nattack.hit_bonus,
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damage_n_dice: n,
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damage_die_type: d,
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damage_bonus: b,
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};
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nature.attacks.push(attack);
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}
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}
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eb = eb.with(nature);
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}
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if let Some(loot) = &mob_template.loot_table {
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eb = eb.with(LootTable {
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table: loot.clone(),
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});
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}
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if let Some(light) = &mob_template.light {
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eb = eb.with(LightSource {
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range: light.range,
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color: RGB::from_hex(&light.color).expect("Bad color"),
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});
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}
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if let Some(faction) = &mob_template.faction {
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eb = eb.with(Faction::from(faction));
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} else {
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eb = eb.with(Faction::from("Mindless"));
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}
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let new_mob = eb.build();
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// Are they weilding anything?
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if let Some(wielding) = &mob_template.equipped {
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for tag in wielding.iter() {
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spawn_named_entity(raws, ecs, tag, SpawnType::Equipped { by: new_mob });
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}
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}
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return Some(new_mob);
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}
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None
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}
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pub fn spawn_named_prop(
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raws: &RawMaster,
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ecs: &mut World,
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key: &str,
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pos: SpawnType,
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) -> Option<Entity> {
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if raws.prop_index.contains_key(key) {
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let prop_template = &raws.raws.props[raws.prop_index[key]];
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let mut eb = ecs.create_entity().marked::<SimpleMarker<SerializeMe>>();
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// Spawn in the specified location
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eb = spawn_position(pos, eb, key, raws);
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// Renderable
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if let Some(renderable) = &prop_template.renderable {
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eb = eb.with(get_renderable_component(renderable));
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}
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eb = eb.with(Name::from(&prop_template.name));
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if let Some(hidden) = prop_template.hidden {
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if hidden {
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eb = eb.with(Hidden {})
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}
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}
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if let Some(blocks_tile) = prop_template.blocks_tile {
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if blocks_tile {
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eb = eb.with(BlocksTile {})
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}
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}
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if let Some(blocks_visibility) = prop_template.blocks_visibility {
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if blocks_visibility {
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eb = eb.with(BlocksVisibility {})
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}
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}
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if let Some(door_open) = prop_template.door_open {
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eb = eb.with(Door { open: door_open });
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}
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if let Some(entry_trigger) = &prop_template.entry_trigger {
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eb = eb.with(EntryTrigger {});
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for effect in entry_trigger.effects.iter() {
|
|
match effect.0.as_str() {
|
|
"damage" => {
|
|
eb = eb.with(InflictsDamage {
|
|
damage: effect.1.parse::<i32>().unwrap(),
|
|
});
|
|
}
|
|
"single_activation" => eb = eb.with(SingleActivation {}),
|
|
_ => {}
|
|
}
|
|
}
|
|
}
|
|
|
|
return Some(eb.build());
|
|
}
|
|
|
|
None
|
|
}
|
|
|
|
pub fn spawn_named_entity(
|
|
raws: &RawMaster,
|
|
ecs: &mut World,
|
|
key: &str,
|
|
pos: SpawnType,
|
|
) -> Option<Entity> {
|
|
if raws.item_index.contains_key(key) {
|
|
return spawn_named_item(raws, ecs, key, pos);
|
|
} else if raws.mob_index.contains_key(key) {
|
|
return spawn_named_mob(raws, ecs, key, pos);
|
|
} else if raws.prop_index.contains_key(key) {
|
|
return spawn_named_prop(raws, ecs, key, pos);
|
|
}
|
|
|
|
None
|
|
}
|
|
|
|
pub fn get_spawn_table_for_depth(raws: &RawMaster, depth: i32) -> RandomTable {
|
|
use super::SpawnTableEntry;
|
|
|
|
let available_options: Vec<&SpawnTableEntry> = raws
|
|
.raws
|
|
.spawn_table
|
|
.iter()
|
|
.filter(|a| depth >= a.min_depth && depth <= a.max_depth)
|
|
.collect();
|
|
|
|
let mut rt = RandomTable::new();
|
|
for e in available_options.iter() {
|
|
let mut weight = e.weight;
|
|
if e.add_map_depth_to_weight.is_some() {
|
|
weight += depth;
|
|
}
|
|
rt = rt.add(e.name.clone(), weight);
|
|
}
|
|
|
|
rt
|
|
}
|
|
|
|
pub fn get_item_drop(
|
|
raws: &RawMaster,
|
|
rng: &mut RandomNumberGenerator,
|
|
table: &str,
|
|
) -> Option<String> {
|
|
if raws.loot_index.contains_key(table) {
|
|
let mut rt = RandomTable::new();
|
|
let available_options = &raws.raws.loot_tables[raws.loot_index[table]];
|
|
for item in available_options.drops.iter() {
|
|
rt = rt.add(item.name.clone(), item.weight);
|
|
}
|
|
|
|
return Some(rt.roll(rng));
|
|
}
|
|
|
|
None
|
|
}
|