From 534e0112966d4bb7402418cd8a57383c81c75c4a Mon Sep 17 00:00:00 2001
From: madeline <qwertytrogi@gmail.com>
Date: Sun, 17 May 2026 12:17:24 -0700
Subject: [PATCH] 3 kill rollstab achievement

---
 include/d/actor/d_a_alink.h   |  1 +
 include/dusk/achievements.h   |  5 +++--
 src/d/actor/d_a_alink_cut.inc |  4 ++++
 src/d/d_cc_uty.cpp            |  5 +++++
 src/dusk/achievements.cpp     | 33 +++++++++++++++++++++++++++++++--
 5 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/include/d/actor/d_a_alink.h b/include/d/actor/d_a_alink.h
index 107afc1ed3..8f6a40ae13 100644
--- a/include/d/actor/d_a_alink.h
+++ b/include/d/actor/d_a_alink.h
@@ -4564,6 +4564,7 @@ public:
     cXyz mIBChainInterpCurrHandRoot;
     bool mIBChainInterpPrevValid;
     bool mIBChainInterpCurrValid;
+    bool mIsRollstab = false;
 #endif
 };  // Size: 0x385C
 
diff --git a/include/dusk/achievements.h b/include/dusk/achievements.h
index 5c2758b6b7..c93ea5d626 100644
--- a/include/dusk/achievements.h
+++ b/include/dusk/achievements.h
@@ -5,7 +5,7 @@
 #include <queue>
 #include <string>
 #include <string_view>
-#include <unordered_set>
+#include <unordered_map>
 #include <vector>
 #include "nlohmann/json.hpp"
 
@@ -47,6 +47,7 @@ public:
     // Signals are visible to all achievement checks within the same tick, then cleared.
     void signal(const char* key);
     bool hasSignal(const char* key) const;
+    int signalCount(const char* key) const;
 
     std::vector<Achievement> getAchievements() const;
 
@@ -62,7 +63,7 @@ private:
     void processEntry(Entry& e);
 
     std::vector<Entry> m_entries;
-    std::unordered_set<std::string_view> m_signals;
+    std::unordered_map<std::string_view, int> m_signals;
     bool m_loaded = false;
     bool m_dirty = false;
 };
diff --git a/src/d/actor/d_a_alink_cut.inc b/src/d/actor/d_a_alink_cut.inc
index f33d2935c5..ba3c0ba89e 100644
--- a/src/d/actor/d_a_alink_cut.inc
+++ b/src/d/actor/d_a_alink_cut.inc
@@ -1165,6 +1165,10 @@ int daAlink_c::procCutFinishInit(int i_type) {
     const daAlink_cutParamTbl* cutParams = &cutParamTable[i_type];
     BOOL is_proc_frontRoll = mProcID == PROC_FRONT_ROLL;
 
+#if TARGET_PC
+    mIsRollstab = (is_proc_frontRoll != FALSE) && (i_type == CUT_FINISH_PARAM_STAB);
+#endif
+
     commonProcInit(PROC_CUT_FINISH);
     setCutType(cutParams->m_cutType);
     field_0x3198 = cutParams->m_recoilAnmID;
diff --git a/src/d/d_cc_uty.cpp b/src/d/d_cc_uty.cpp
index 218cb362f4..91fc6677c1 100644
--- a/src/d/d_cc_uty.cpp
+++ b/src/d/d_cc_uty.cpp
@@ -16,6 +16,7 @@
 #if TARGET_PC
 #include "dusk/achievements.h"
 #include "dusk/settings.h"
+#include "d/actor/d_a_alink.h"
 #endif
 
 static int plCutLRC[58] = {
@@ -448,6 +449,10 @@ fopAc_ac_c* cc_at_check(fopAc_ac_c* i_enemy, dCcU_AtInfo* i_AtInfo) {
 #if TARGET_PC
             if (fopAcM_GetGroup(i_enemy) == fopAc_ENEMY_e) {
                 dusk::AchievementSystem::get().signal("enemy_killed");
+                const auto* link = static_cast<const daAlink_c*>(daPy_getPlayerActorClass());
+                if (link != nullptr && link->mProcID == daAlink_c::PROC_CUT_FINISH && link->mIsRollstab) {
+                    dusk::AchievementSystem::get().signal("rollstab_kill");
+                }
             }
 #endif
         }
diff --git a/src/dusk/achievements.cpp b/src/dusk/achievements.cpp
index 8df61145db..a33221ffff 100644
--- a/src/dusk/achievements.cpp
+++ b/src/dusk/achievements.cpp
@@ -506,6 +506,29 @@ std::vector<AchievementSystem::Entry> AchievementSystem::makeEntries() {
             },
             {}
         },
+        {
+            {
+                "rollstab_triple",
+                "Surgical Skewer",
+                "Kill 3 enemies with a single rollstab.",
+                AchievementCategory::Misc,
+                false, 0, 0, false
+            },
+            [](Achievement& a, json&) {
+                static int rollstabKills = 0;
+                const auto* link = static_cast<const daAlink_c*>(daPy_getPlayerActorClass());
+                const bool inRollstab = link != nullptr && link->mProcID == daAlink_c::PROC_CUT_FINISH && link->mIsRollstab;
+                if (!inRollstab) {
+                    rollstabKills = 0;
+                    return;
+                }
+                rollstabKills += AchievementSystem::get().signalCount("rollstab_kill");
+                if (rollstabKills >= 3) {
+                    a.progress = 1;
+                }
+            },
+            {}
+        },
         // Minigame
         {
             {
@@ -1088,11 +1111,17 @@ void AchievementSystem::clearAll() {
 }
 
 void AchievementSystem::signal(const char* key) {
-    m_signals.insert(key);
+    m_signals[key]++;
 }
 
 bool AchievementSystem::hasSignal(const char* key) const {
-    return m_signals.count(key) > 0;
+    const auto it = m_signals.find(key);
+    return it != m_signals.end() && it->second > 0;
+}
+
+int AchievementSystem::signalCount(const char* key) const {
+    const auto it = m_signals.find(key);
+    return it != m_signals.end() ? it->second : 0;
 }
 
 void AchievementSystem::clearOne(const char* key) {