feat(world): decomp LivingEntity.setBoundingBox (#47)

Author: danilwhale

data/mcswitch_functions.csv

@@ -15231,7 +15231,7 @@ Address,Quality,Size,Name
 0x000000710021eae4,U,000056,_ZN19MultiPlayerGameMode10isCutSceneEv
 0x000000710021eb1c,U,000652,
 0x000000710021eda8,U,001112,_ZN12LivingEntity13getLightColorEv
-0x000000710021f200,U,000240,_ZN12LivingEntity14setBoundingBoxEP4AABB
+0x000000710021f200,O,000240,_ZN12LivingEntity14setBoundingBoxEP4AABB
 0x000000710021f2f0,U,000008,_ZN12LivingEntity8getSpeedEv
 0x000000710021f2f8,U,000008,_ZN12LivingEntity8setSpeedEf
 0x000000710021f300,U,000092,_ZN12LivingEntity12doHurtTargetENSt3__110shared_ptrI6EntityEE

src/Minecraft.World/net/minecraft/world/entity/LivingEntity.cpp

@@ -23,6 +23,34 @@
 eINSTANCEOF LivingEntity::GetType() {
     return eLivingEntity;
 }
+void LivingEntity::setBoundingBox(AABB* box) {
+    const int newMinX = Mth::floor(box->min.x);
+    const int newMaxX = Mth::floor(box->max.x);
+    const int newMinY = Mth::floor(box->min.y);
+    const int newMaxY = Mth::floor(box->max.y);
+    const int newMinZ = Mth::floor(box->min.z);
+    const int newMaxZ = Mth::floor(box->max.z);
+
+    const int oldMinX = this->mMinX;
+    const int oldMaxX = this->mMaxX;
+    const int oldMinY = this->mMinY;
+    const int oldMaxY = this->mMaxY;
+    const int oldMinZ = this->mMinZ;
+    const int oldMaxZ = this->mMaxZ;
+
+    this->mMinX = newMinX;
+    this->mMaxX = newMaxX;
+    this->mMinY = newMinY;
+    this->mMaxY = newMaxY;
+    this->mMinZ = newMinZ;
+    this->mMaxZ = newMaxZ;
+
+    if (newMinX != oldMinX || newMaxX != oldMaxX || newMinY != oldMinY || newMaxY != oldMaxY
+        || newMinZ != oldMinZ || newMaxZ != oldMaxZ) {
+        ++this->dword50C;
+    }
+    this->Entity::setBoundingBox(box);
+}
 
 void LivingEntity::dropEquipment(bool, int) {}
 void LivingEntity::dropDeathLoot(bool, int) {}

src/Minecraft.World/net/minecraft/world/entity/LivingEntity.h

@@ -54,7 +54,7 @@ class LivingEntity : public Entity {
     void setYBodyRot(float) override;
     void shouldShowName() override;
     void onSyncedDataUpdated(const EntityDataAccessor_Base*) override;
-    void setBoundingBox(AABB*) override;
+    void setBoundingBox(AABB* box) override;
     void stopCurrentLerp() override;
     virtual void registerAttributes();
     virtual bool isWaterMob();
@@ -270,8 +270,12 @@ class LivingEntity : public Entity {
     long mLastDamageStamp;
     char byte508;
     int dword50C;
-    void* qword510;
-    void* qword518;
+    int mMinX;
+    int mMaxX;
+    int mMinY;
+    int mMaxY;
+    int mMinZ;
+    int mMaxZ;
     void* qword520;
     char gap528[128];
     char byte5A8;