Decompile fn_23815 (CSession::GetPetTalkText)

Batch #1885 by Yommy: 0 byte-identical, 1 confirmed by peer review.

- fn_23815 CSession::GetPetTalkText: logic confirmed by peer review

Reviewed-by: ragnarok-clanker

Source/Client/Session.h

@@ -233,6 +233,7 @@ public:
   const char* GetPetString(int id);
   const char* GetPetTalkName(int job);
   const char* GetPetTalkActionName(int action);
+  void GetPetTalkText(int job, int hungerState, int action, char* text);
   const char* GetMonsterTalkEventName(int event);
   bool UpdateHomunSkill(const CSkillInfo& value, unsigned char notify);
   bool UpdateMercSkill(const CSkillInfo& value, unsigned char notify);

Source/Contents/PetTalk.cpp

@@ -1,4 +1,9 @@
 #include "Client/Session.h"
+#include "Contents/MessageTable.h"
+
+#include <cstdlib>
+#include <cstring>
+#include <vector>
 
 // OFFSET: 0x00E0AD10
 // FUNCTION: fn_23805
@@ -30,3 +35,65 @@ const char* CSession::GetPetTalkActionName(int action) {
     return "normal";
   }
 }
+
+// OFFSET: 0x00E12470
+// FUNCTION: fn_23815
+void CSession::GetPetTalkText(int job, int hungerState, int action, char* text) {
+  *text = '\0';
+  char name[256];
+  std::strcpy(name, "monster_talk_table");
+  XmlNode* node = this->m_petTalkTable.FindChild(DecodeMessageRot(name));
+  if (node == nullptr) {
+    return;
+  }
+
+  std::strcpy(name, g_session.GetPetTalkName(job));
+  node = node->FindChild(DecodeMessageRot(name));
+  if (node == nullptr) {
+    return;
+  }
+
+  const char* hunger;
+  switch (hungerState) {
+  case 1:
+    hunger = "bit_hungry";
+    break;
+  case 2:
+    hunger = "noting";
+    break;
+  case 3:
+    hunger = "full";
+    break;
+  case 4:
+    hunger = "so_full";
+    break;
+  default:
+    hunger = "hungry";
+    break;
+  }
+  std::strcpy(name, hunger);
+  node = node->FindChild(DecodeMessageRot(name));
+  if (node == nullptr) {
+    return;
+  }
+
+  const char* actionName = g_session.GetPetTalkActionName(action);
+  std::strcpy(name, actionName);
+  XmlNode* entry = node->FindChild(DecodeMessageRot(name));
+  if (entry == nullptr) {
+    return;
+  }
+
+  std::vector<const char*> talks;
+  do {
+    talks.push_back(entry->Text().c_str());
+    std::strcpy(name, actionName);
+    entry = entry->FindSibling(DecodeMessageRot(name));
+  } while (entry != nullptr);
+
+  const int count = static_cast<int>(talks.size());
+  if (count != 0) {
+    std::strcpy(text, talks[std::rand() % count]);
+    DecodeMessageRot(text);
+  }
+}