Implement buying possessions.

blastmud_game/src/message_handler/user_commands.rs

@@ -11,6 +11,7 @@ use std::sync::Arc;
 
 mod agree;
 pub mod attack;
+mod buy;
 mod describe;
 mod help;
 mod ignore;
@@ -100,6 +101,7 @@ static REGISTERED_COMMANDS: UserVerbRegistry = phf_map! {
     
     // Other commands (alphabetical except aliases grouped):
     "attack" => attack::VERB,
+    "buy" => buy::VERB,
     "kill" => attack::VERB,  
     "k" => attack::VERB,
   

blastmud_game/src/message_handler/user_commands/buy.rs

@@ -0,0 +1,86 @@
+use super::{
+    VerbContext, UserVerb, UserVerbRef, UResult, user_error,
+    get_player_item_or_fail,
+    parsing::parse_offset,
+};
+use crate::{
+    static_content::room,
+    static_content::possession_type::possession_data,
+    models::item::Item,
+};
+use async_trait::async_trait;
+use ansi::ansi;
+
+pub struct Verb;
+#[async_trait]
+impl UserVerb for Verb {
+    async fn handle(self: &Self, ctx: &mut VerbContext, _verb: &str, remaining: &str) -> UResult<()> {
+        let player_item = get_player_item_or_fail(ctx).await?;
+
+        if player_item.is_dead {
+            user_error("Nobody seems to listen when you try to buy... possibly because you're dead.".to_owned())?
+        }
+        let (heretype, herecode) = player_item.location.split_once("/").unwrap_or(("room", "repro_xv_chargen"));
+        if heretype != "room" {
+            user_error("Can't buy anything because you're not in a shop.".to_owned())?;
+        }
+        let room = match room::room_map_by_code().get(herecode) {
+            None => user_error("Can't find that shop.".to_owned())?,
+            Some(r) => r
+        };
+        if room.stock_list.is_empty() {
+            user_error("Can't buy anything because you're not in a shop.".to_owned())?
+        }
+
+        let (offset_m, remaining) = parse_offset(remaining);
+        let mut offset_remaining = offset_m.unwrap_or(1);
+        let match_item = remaining.trim().to_lowercase();
+        
+        if match_item == "" {
+            user_error("You need to specify what to buy.".to_owned())?
+        }
+        
+        for stock in &room.stock_list {
+            if let Some(possession_type) = possession_data().get(&stock.possession_type) {
+            if possession_type.display.to_lowercase().starts_with(&match_item) ||
+                possession_type.display_less_explicit.map(|d| d.to_lowercase().starts_with(&match_item)).unwrap_or(false) ||
+                possession_type.aliases.iter().any(|al| al.starts_with(&match_item)) {
+                    if offset_remaining <= 1 {
+                        if let Some(mut user) = ctx.user_dat.as_mut() {
+                            if user.credits < stock.list_price {
+                                user_error("You don't have enough credits to buy that!".to_owned())?;
+                            }
+                            user.credits -= stock.list_price;
+                            let item_code = ctx.trans.alloc_item_code().await?;
+                            let new_item = Item {
+                                item_type: "possession".to_owned(),
+                                item_code: format!("{}", item_code),
+                                possession_type: Some(stock.possession_type.clone()),
+                                display: possession_type.display.to_owned(),
+                                display_less_explicit: possession_type.display_less_explicit.map(|d| d.to_owned()),
+                                details: Some(possession_type.details.to_owned()),
+                                details_less_explicit: possession_type.details_less_explicit.map(|d| d.to_owned()),
+                                aliases: possession_type.aliases.iter().map(|al| (*al).to_owned()).collect(),
+                                location: format!("player/{}", &player_item.item_code),
+                                health: possession_type.max_health,
+                                ..Default::default()
+                            };
+                            ctx.trans.create_item(&new_item).await?;
+                            ctx.trans.queue_for_session(
+                                &ctx.session,
+                                Some(&format!("Your wristpad beeps for a deduction of {} credits.\n", stock.list_price))
+                            ).await?;
+                        }
+                        return Ok(());
+                    } else {
+                        offset_remaining -= 1;
+                    }
+                }
+            }
+        
+        }
+        user_error(ansi!("That doesn't seem to be for sale. Try <bold>list<reset>").to_owned())
+    }
+}
+static VERB_INT: Verb = Verb;
+pub static VERB: UserVerbRef = &VERB_INT as UserVerbRef;

blastmud_game/src/message_handler/user_commands/list.rs

@@ -35,10 +35,13 @@ impl UserVerb for Verb {
 
         for stock in &room.stock_list {
             if let Some(possession_type) = possession_data().get(&stock.possession_type) {
-                msg.push_str(&format!("| {:20} | {:15.2} |\n", &possession_type.name, &stock.list_price))
+                let display = if ctx.session_dat.less_explicit_mode {
+                    possession_type.display_less_explicit.as_ref().unwrap_or(&possession_type.display)
+                } else { &possession_type.display };
+                msg.push_str(&format!("| {:20} | {:15.2} |\n", display, &stock.list_price))
             }
         }
-        msg.push('\n');
+        msg.push_str(ansi!("\nUse <bold>buy<reset> item to purchase something.\n"));
         ctx.trans.queue_for_session(&ctx.session, Some(&msg)).await?;
         Ok(())
     }

blastmud_game/src/models/item.rs

@@ -3,6 +3,7 @@ use std::collections::BTreeMap;
 use crate::{
     language,
     static_content::species::SpeciesType,
+    static_content::possession_type::PossessionType,
 };
 use super::session::Session;
 
@@ -278,6 +279,7 @@ impl Default for ActiveCombat {
 pub struct Item {
     pub item_code: String,
     pub item_type: String,
+    pub possession_type: Option<PossessionType>,
     pub display: String,
     pub display_less_explicit: Option<String>,
     pub details: Option<String>,
@@ -351,6 +353,7 @@ impl Default for Item {
         Self {
             item_code: "unset".to_owned(),
             item_type: "unset".to_owned(),
+            possession_type: None,
             display: "Item".to_owned(),
             display_less_explicit: None,
             details: None,

blastmud_game/src/models/user.rs

@@ -35,8 +35,8 @@ pub struct User {
     pub raw_skills: BTreeMap<SkillType, f64>,
     pub raw_stats: BTreeMap<StatType, f64>,
     pub last_skill_improve: BTreeMap<SkillType, DateTime<Utc>>,
-    // Reminder: Consider backwards compatibility when updating this. New fields should generally
-    //           be an Option, or things will crash out for existing sessions.
+    pub credits: u64,
+    // Reminder: Consider backwards compatibility when updating this.
 }
 
 impl Default for UserTermData {
@@ -77,6 +77,7 @@ impl Default for User {
             raw_skills: BTreeMap::new(),
             raw_stats: BTreeMap::new(),
             last_skill_improve: BTreeMap::new(),
+            credits: 500
         }
     }
 }

blastmud_game/src/static_content/possession_type.rs

@@ -55,22 +55,24 @@ impl Default for WeaponData {
 
 pub struct PossessionData {
     pub weapon_data: Option<WeaponData>,
-    pub name: &'static str,
-    pub name_nonexp: Option<&'static str>,
-    #[allow(unused)]
     pub display: &'static str,
-    #[allow(unused)]
-    pub display_nonexp: Option<&'static str>,
+    pub display_less_explicit: Option<&'static str>,
+    pub details: &'static str, 
+    pub details_less_explicit: Option<&'static str>,
+    pub aliases: Vec<&'static str>,
+    pub max_health: u64,
 }
 
 impl Default for PossessionData {
     fn default() -> Self {
         Self {
             weapon_data: None,
-            name: "Thingy",
-            name_nonexp: None,
-            display: "A generic looking thing",
-            display_nonexp: None,
+            display: "Thingy",
+            display_less_explicit: None,
+            details: "A generic looking thing",
+            details_less_explicit: None,
+            aliases: vec!(),
+            max_health: 10,
         }
     }
 }
@@ -169,9 +171,10 @@ pub fn possession_data() -> &'static BTreeMap<PossessionType, PossessionData> {
                 ..Default::default()
             }),
             (AntennaWhip, PossessionData {
-                name: "Antenna whip",
-                display: "A crudely fashioned whip made from a broken metal antenna. It looks a bit flimsy, but it \
+                display: "Antenna whip",
+                details: "A crudely fashioned whip made from a broken metal antenna. It looks a bit flimsy, but it \
                           might do you until you get a better weapon!",
+                aliases: vec!("whip"),
                 weapon_data: Some(WeaponData {
                     uses_skill: SkillType::Whips,
                     raw_min_to_learn: 0.0,

blastmud_game/src/static_content/room.rs

@@ -152,14 +152,14 @@ pub struct SecondaryZoneRecord {
 
 pub struct RoomStock {
     pub possession_type: PossessionType,
-    pub list_price: f64
+    pub list_price: u64
 }
 
 impl Default for RoomStock {
     fn default() -> Self {
         Self {
             possession_type: PossessionType::AntennaWhip,
-            list_price: 1000000000.0
+            list_price: 1000000000
         }
     }
 }

blastmud_game/src/static_content/room/melbs.rs

@@ -1739,7 +1739,7 @@ pub fn room_list() -> Vec<Room> {
           stock_list: vec!(
               RoomStock {
                   possession_type: PossessionType::AntennaWhip,
-                  list_price: 100.0,
+                  list_price: 100,
                   ..Default::default()
               }
           ),