Move the spawn table to raws

src/raws.rs

@@ -2,6 +2,7 @@ mod item_structs;
 mod mob_structs;
 mod prop_structs;
 mod rawmaster;
+mod spawn_table_structs;
 
 use std::sync::Mutex;
 
@@ -10,12 +11,14 @@ use mob_structs::*;
 use prop_structs::*;
 pub use rawmaster::*;
 use serde::Deserialize;
+use spawn_table_structs::*;
 
 #[derive(Deserialize, Debug)]
 pub struct Raws {
     pub items: Vec<Item>,
     pub mobs: Vec<Mob>,
     pub props: Vec<Prop>,
+    pub spawn_table: Vec<SpawnTableEntry>,
 }
 
 rltk::embedded_resource!(RAW_FILE, "../raws/spawns.json");

src/raws/rawmaster.rs

@@ -1,8 +1,9 @@
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 
 use specs::prelude::*;
 
 use crate::components::*;
+use crate::random_table::RandomTable;
 use crate::raws::Raws;
 
 pub enum SpawnType {
@@ -23,6 +24,7 @@ impl RawMaster {
                 items: Vec::new(),
                 mobs: Vec::new(),
                 props: Vec::new(),
+                spawn_table: Vec::new(),
             },
             item_index: HashMap::new(),
             mob_index: HashMap::new(),
@@ -33,15 +35,45 @@ impl RawMaster {
     pub fn load(&mut self, raws: Raws) {
         self.raws = raws;
         self.item_index = HashMap::new();
-
+        let mut used_names: HashSet<String> = HashSet::new();
         for (i, item) in self.raws.items.iter().enumerate() {
+            if used_names.contains(&item.name) {
+                rltk::console::log(format!(
+                    "WARNING -  duplicate item name in raws [{}]",
+                    item.name
+                ));
+            }
             self.item_index.insert(item.name.clone(), i);
+            used_names.insert(item.name.clone());
         }
         for (i, mob) in self.raws.mobs.iter().enumerate() {
+            if used_names.contains(&mob.name) {
+                rltk::console::log(format!(
+                    "WARNING -  duplicate mob name in raws [{}]",
+                    mob.name
+                ));
+            }
             self.mob_index.insert(mob.name.clone(), i);
+            used_names.insert(mob.name.clone());
         }
         for (i, prop) in self.raws.props.iter().enumerate() {
+            if used_names.contains(&prop.name) {
+                rltk::console::log(format!(
+                    "WARNING -  duplicate prop name in raws [{}]",
+                    prop.name
+                ));
+            }
             self.prop_index.insert(prop.name.clone(), i);
+            used_names.insert(prop.name.clone());
+        }
+
+        for spawn in self.raws.spawn_table.iter() {
+            if !used_names.contains(&spawn.name) {
+                rltk::console::log(format!(
+                    "WARNING - Spawn tables references unspecified entity {}",
+                    spawn.name
+                ));
+            }
         }
     }
 }
@@ -280,3 +312,25 @@ pub fn spawn_named_entity(
 
     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
+}

src/raws/spawn_table_structs.rs

@@ -0,0 +1,12 @@
+use serde::Deserialize;
+
+use super::Renderable;
+
+#[derive(Deserialize, Debug)]
+pub struct SpawnTableEntry {
+    pub name: String,
+    pub weight: i32,
+    pub min_depth: i32,
+    pub max_depth: i32,
+    pub add_map_depth_to_weight: Option<bool>,
+}

src/spawner.rs

@@ -6,7 +6,7 @@ use specs::saveload::{MarkedBuilder, SimpleMarker};
 
 use crate::components::*;
 use crate::random_table::RandomTable;
-use crate::raws::{spawn_named_entity, SpawnType, RAWS};
+use crate::raws::{get_spawn_table_for_depth, spawn_named_entity, SpawnType, RAWS};
 use crate::{Map, Rect, TileType};
 
 /// Spawns the player and returns their entity object
@@ -42,20 +42,7 @@ pub fn player(ecs: &mut World, player_x: i32, player_y: i32) -> Entity {
 const MAX_MONSTERS: i32 = 4;
 
 fn room_table(map_depth: i32) -> RandomTable {
-    RandomTable::new()
-        .add("Goblin", 10)
-        .add("Orc", 1 + map_depth)
-        .add("Health Potion", 7)
-        .add("Fireball Scroll", 2 + map_depth)
-        .add("Confusion Scroll", 2 + map_depth)
-        .add("Magic Missile Scroll", 4)
-        .add("Dagger", 3)
-        .add("Shield", 3)
-        .add("Longsword", map_depth - 1)
-        .add("Tower Shield", map_depth - 1)
-        .add("Rations", 10)
-        .add("Magic Mapping Scroll", 2)
-        .add("Bear Trap", 2)
+    get_spawn_table_for_depth(&RAWS.lock().unwrap(), map_depth)
 }
 
 /// fills a room with stuff!