Dynamically allocate entity hitbox cache to reduce memory usage.

include/entitycache.hpp

@@ -224,5 +224,6 @@ inline CachedEntity &Get(int idx)
 }
 void Update();
 void Invalidate();
+void Shutdown();
 extern int max;
 } // namespace entity_cache

include/entityhitboxcache.hpp

@@ -10,6 +10,7 @@
 #include <cdll_int.h>
 #include <studio.h>
 #include <stdexcept>
+#include <memory>
 
 // Forward declaration from entitycache.hpp
 class CachedEntity;
@@ -39,7 +40,7 @@ public:
     void Init();
     int GetNumHitboxes();
     void Reset();
-    matrix3x4_t *GetBones();
+    matrix3x4_t *GetBones(int numbones = -1);
 
     int m_nNumHitboxes;
     bool m_bModelSet;
@@ -52,9 +53,9 @@ public:
     bool m_VisCheckValidationFlags[CACHE_MAX_HITBOXES]{ false };
     bool m_VisCheck[CACHE_MAX_HITBOXES]{ false };
     bool m_CacheValidationFlags[CACHE_MAX_HITBOXES]{ false };
-    CachedHitbox m_CacheInternal[CACHE_MAX_HITBOXES]{};
+    std::vector<CachedHitbox> m_CacheInternal;
 
-    matrix3x4_t bones[128];
+    std::vector<matrix3x4_t> bones;
     bool bones_setup{ false };
 };
 

report-crash

@@ -78,7 +78,6 @@ has_debug_info "$CATHOOK" || SYMBOLS=false
 if [ $SYMBOLS == false ]; then
     echo "No debug symbols detected!"
     proccount=$(grep -c '^processor' /proc/cpuinfo)
-    \cp ./build/CMakeCache.txt ./scripts/CMakeCacheBackup.txt
     pushd build
     cmake -DInternal_Symbolized=true .. && cmake --build . --target cathook -- -j$proccount
     popd

src/crits.cpp

@@ -326,7 +326,7 @@ bool shouldCrit()
 static bool can_beggars_crit   = false;
 static bool attacked_last_tick = false;
 
-bool canWeaponCrit(bool canShootCheck = true)
+bool canWeaponCrit(bool draw = false)
 {
     // Is weapon elligible for crits?
     IClientEntity *weapon = RAW_ENT(LOCAL_W);
@@ -344,9 +344,9 @@ bool canWeaponCrit(bool canShootCheck = true)
     // Misc checks
     if (!isAllowedToWithdrawFromBucket(weapon))
         return false;
-    if (canShootCheck && !CanShoot() && !isRapidFire(weapon))
+    if (!draw && !CanShoot() && !isRapidFire(weapon))
         return false;
-    if (CE_INT(LOCAL_W, netvar.iItemDefinitionIndex) == 730 && !can_beggars_crit)
+    if (!draw && CE_INT(LOCAL_W, netvar.iItemDefinitionIndex) == 730 && !can_beggars_crit)
         return false;
     // Check if we have done enough damage to crit
     auto crit_mult_info = critMultInfo(weapon);
@@ -752,7 +752,7 @@ void Draw()
         // fixObservedCritchance(wep);
 
         // Used by multiple things
-        bool can_crit = canWeaponCrit(false);
+        bool can_crit = canWeaponCrit(true);
 
         if (bucket != last_bucket || wep->entindex() != last_wep || update_shots.test_and_set(500))
         {

src/entitycache.cpp

@@ -164,5 +164,14 @@ void Invalidate()
     }
 }
 
+void Shutdown()
+{
+    for (auto &ent : array)
+    {
+        ent.Reset();
+        ent.hitboxes.Reset();
+    }
+}
+
 int max = 0;
 } // namespace entity_cache

src/entityhitboxcache.cpp

@@ -105,7 +105,7 @@ static settings::Boolean bonecache_enabled{ "source.use-bone-cache", "false" };
 
 static std::mutex setupbones_mutex;
 
-matrix3x4_t *EntityHitboxCache::GetBones()
+matrix3x4_t *EntityHitboxCache::GetBones(int numbones)
 {
     static float bones_setup_time = 0.0f;
     switch (*setupbones_time)
@@ -126,13 +126,24 @@ matrix3x4_t *EntityHitboxCache::GetBones()
     }
     if (!bones_setup)
     {
+        // If numbones is not set, get it from some terrible and unnamed variable
+        if (numbones == -1)
+        {
+            if (parent_ref->m_Type() == ENTITY_PLAYER)
+                numbones = CE_INT(parent_ref, 0x844);
+            else
+                numbones = MAXSTUDIOBONES;
+        }
+
+        if (bones.size() < (size_t) numbones)
+            bones.resize(numbones);
         if (g_Settings.is_create_move)
         {
 #if !ENABLE_TEXTMODE
             if (!*bonecache_enabled || parent_ref->m_Type() != ENTITY_PLAYER || IsPlayerInvisible(parent_ref))
             {
                 PROF_SECTION(bone_setup);
-                bones_setup = RAW_ENT(parent_ref)->SetupBones(bones, MAXSTUDIOBONES, 0x7FF00, bones_setup_time);
+                bones_setup = RAW_ENT(parent_ref)->SetupBones(bones.data(), numbones, 0x7FF00, bones_setup_time);
             }
             else
             {
@@ -140,24 +151,24 @@ matrix3x4_t *EntityHitboxCache::GetBones()
                 auto to_copy = CE_VAR(parent_ref, 0x838, matrix3x4_t *);
                 if (to_copy)
                 {
-                    bones->Invalidate();
+                    // This is catastrophically bad, don't do this. Someone needs to fix this.
-                    memcpy((matrix3x4_t *) bones, to_copy, 48 * (CE_INT(parent_ref, 0x844)));
+                    memcpy(bones.data(), to_copy, sizeof(matrix3x4_t) * numbones);
                     bones_setup = true;
                 }
                 else
                 {
                     PROF_SECTION(bone_setup);
-                    bones_setup = RAW_ENT(parent_ref)->SetupBones(bones, MAXSTUDIOBONES, 0x7FF00, bones_setup_time);
+                    bones_setup = RAW_ENT(parent_ref)->SetupBones(bones.data(), numbones, 0x7FF00, bones_setup_time);
                 }
             }
 #else
             // Textmode bots miss/shoot at nothing when the tf2 bonecache is used
             PROF_SECTION(bone_setup);
-            bones_setup = RAW_ENT(parent_ref)->SetupBones(bones, MAXSTUDIOBONES, 0x7FF00, bones_setup_time);
+            bones_setup = RAW_ENT(parent_ref)->SetupBones(bones, numbones, 0x7FF00, bones_setup_time);
 #endif
         }
     }
-    return bones;
+    return bones.data();
 }
 
 void EntityHitboxCache::Reset()
@@ -165,8 +176,10 @@ void EntityHitboxCache::Reset()
     memset(m_VisCheck, 0, sizeof(bool) * CACHE_MAX_HITBOXES);
     memset(m_VisCheckValidationFlags, 0, sizeof(bool) * CACHE_MAX_HITBOXES);
     memset(m_CacheValidationFlags, 0, sizeof(bool) * CACHE_MAX_HITBOXES);
-    memset(m_CacheInternal, 0, sizeof(CachedHitbox) * CACHE_MAX_HITBOXES);
+    m_CacheInternal.clear();
-    memset(&bones, 0, sizeof(matrix3x4_t) * 128);
+    m_CacheInternal.shrink_to_fit();
+    bones.clear();
+    bones.shrink_to_fit();
     m_nNumHitboxes = 0;
     m_bInit        = false;
     m_bModelSet    = false;
@@ -198,13 +211,15 @@ CachedHitbox *EntityHitboxCache::GetHitbox(int id)
     auto set = shdr->pHitboxSet(CE_INT(parent_ref, netvar.iHitboxSet));
     if (!dynamic_cast<mstudiohitboxset_t *>(set))
         return nullptr;
+    if (m_nNumHitboxes > m_CacheInternal.size())
+        m_CacheInternal.resize(m_nNumHitboxes);
     box = set->pHitbox(id);
     if (!box)
         return nullptr;
     if (box->bone < 0 || box->bone >= MAXSTUDIOBONES)
         return nullptr;
-    VectorTransform(box->bbmin, GetBones()[box->bone], m_CacheInternal[id].min);
+    VectorTransform(box->bbmin, GetBones(shdr->numbones)[box->bone], m_CacheInternal[id].min);
-    VectorTransform(box->bbmax, GetBones()[box->bone], m_CacheInternal[id].max);
+    VectorTransform(box->bbmax, GetBones(shdr->numbones)[box->bone], m_CacheInternal[id].max);
     m_CacheInternal[id].bbox   = box;
     m_CacheInternal[id].center = (m_CacheInternal[id].min + m_CacheInternal[id].max) / 2;
     m_CacheValidationFlags[id] = true;

src/hooks/HookTools.cpp

@@ -6,9 +6,8 @@ namespace EC
 
 struct EventCallbackData
 {
-    explicit EventCallbackData(const EventFunction &function, std::string name, enum ec_priority priority) : function{ function }, priority{ int(priority) }, section{ name }, event_name{ name }
+    explicit EventCallbackData(const EventFunction &function, std::string name, enum ec_priority priority) : function{ function }, priority{ int(priority) }, section(name), event_name{ name }
     {
-        section.m_name = name;
     }
     EventFunction function;
     int priority;

src/hooks/LevelShutdown.cpp

@@ -17,6 +17,8 @@ DEFINE_HOOKED_METHOD(LevelShutdown, void, void *this_)
     g_Settings.bInvalid = true;
     chat_stack::Reset();
     EC::run(EC::LevelShutdown);
+    // Free memory for hitbox cache
+    entity_cache::Shutdown();
 #if ENABLE_IPC
     if (ipc::peer)
     {