EoD strikes: implement Ankka analyzer

2 files changed, 73 insertions, 3 deletions

diff --git a/src/analyzers/mod.rs b/src/analyzers/mod.rs
index 7b375af..ba800a9 100644
--- a/src/analyzers/mod.rs
+++ b/src/analyzers/mod.rs
@@ -132,10 +132,10 @@ pub fn for_log<'l>(log: &'l Log) -> Option<Box<dyn Analyzer + 'l>> {
         | Encounter::FraenirOfJormag
         | Encounter::Boneskinner
         | Encounter::WhisperOfJormag
-        | Encounter::Ankka
         | Encounter::MinisterLi
         | Encounter::Dragonvoid => Some(Box::new(strikes::GenericStrike::new(log))),
 
         Encounter::CaptainMaiTrin => Some(Box::new(strikes::CaptainMaiTrin::new(log))),
+        Encounter::Ankka => Some(Box::new(strikes::Ankka::new(log))),
     }
 }
diff --git a/src/analyzers/strikes.rs b/src/analyzers/strikes.rs
index e12b8da..5c43865 100644
--- a/src/analyzers/strikes.rs
+++ b/src/analyzers/strikes.rs
@@ -38,6 +38,13 @@ impl<'log> Analyzer for GenericStrike<'log> {
     }
 }
 
+/// The ID of the "Determined" buff.
+///
+/// This buff is applied to the strike mission bosses when they die instead or phase.
+///
+/// Teh chat link for this buff is `[&Bn8DAAA=]`.
+pub const DETERMINED_ID: u32 = 895;
+
 /// Analyzer for the Captain Mai Trin/Aetherblade Hideout strike.
 #[derive(Debug, Clone, Copy)]
 pub struct CaptainMaiTrin<'log> {
@@ -46,7 +53,6 @@ pub struct CaptainMaiTrin<'log> {
 
 impl<'log> CaptainMaiTrin<'log> {
     pub const ECHO_OF_SCARLET_BRIAR: u16 = 24_768;
-    pub const WINNING_BUFF: u32 = 895;
 
     /// Create a new [`CaptainMaiTrin`] analyzer for the given log.
     ///
@@ -86,7 +92,7 @@ impl<'log> Analyzer for CaptainMaiTrin<'log> {
                 ..
             } = event.kind()
             {
-                if *buff_id == Self::WINNING_BUFF
+                if *buff_id == DETERMINED_ID
                     && *destination_agent_addr == mai.addr()
                     && event.time() > scarlet.first_aware()
                 {
@@ -98,3 +104,67 @@ impl<'log> Analyzer for CaptainMaiTrin<'log> {
         Some(Outcome::Failure)
     }
 }
+
+/// Analyzer for the Ankka/Xunlai Jade Junkyard strike.
+#[derive(Debug, Clone, Copy)]
+pub struct Ankka<'log> {
+    log: &'log Log,
+}
+
+impl<'log> Ankka<'log> {
+    /// The minimum duration of [`DETERMINED_ID`] buff applications.
+    pub const DURATION_CUTOFF: i32 = i32::MAX;
+    /// The expected number of times that Ankka needs to phase before we consider it a success.
+    pub const EXPECTED_PHASE_COUNT: usize = 3;
+
+    /// Create a new [`Ankka`] analyzer for the given log.
+    ///
+    /// **Do not** use this method unless you know what you are doing. Instead, rely on
+    /// [`Log::analyzer`]!
+    pub fn new(log: &'log Log) -> Self {
+        Ankka { log }
+    }
+}
+
+impl<'log> Analyzer for Ankka<'log> {
+    fn log(&self) -> &Log {
+        self.log
+    }
+
+    fn is_cm(&self) -> bool {
+        // EoD strike CMs are not implemented yet as of 2022-03-31
+        false
+    }
+
+    fn outcome(&self) -> Option<Outcome> {
+        check_reward!(self.log);
+
+        let ankka = self
+            .log
+            .characters()
+            .find(|npc| npc.id() == Boss::Ankka as u16)?;
+
+        let phase_change_count = self
+            .log
+            .events()
+            .iter()
+            .filter(|event| {
+                if let EventKind::BuffApplication {
+                    destination_agent_addr,
+                    buff_id,
+                    duration,
+                    ..
+                } = event.kind()
+                {
+                    *buff_id == DETERMINED_ID
+                        && *destination_agent_addr == ankka.addr()
+                        && *duration == Self::DURATION_CUTOFF
+                } else {
+                    false
+                }
+            })
+            .count();
+
+        Outcome::from_bool(phase_change_count == Self::EXPECTED_PHASE_COUNT)
+    }
+}