From cdbdbc04a68ab32ad3731a5729820df0ae3f1190 Mon Sep 17 00:00:00 2001
From: FutureRave <edoardo.sanguineti222@gmail.com>
Date: Sun, 7 May 2023 16:26:39 +0100
Subject: [PATCH] feat(chat): add chat history (in-game console)

---
 src/client/component/chat.cpp | 11 ++++++++++-
 src/client/game/symbols.hpp   |  3 +++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/client/component/chat.cpp b/src/client/component/chat.cpp
index 41b1b44a..01bb52f3 100644
--- a/src/client/component/chat.cpp
+++ b/src/client/component/chat.cpp
@@ -85,6 +85,12 @@ namespace chat
 			a.cmp(dword_ptr(rax, 0x16AE0), 0x0); // game's code
 			a.jmp(0x14029905B_g);
 		}
+
+		void cl_handle_chat(char* dest, size_t dest_size, const char* src)
+		{
+			game::I_strcpy(dest, dest_size, src);
+			printf("%s\n", dest);
+		}
 	}
 
 	const char* get_client_name(const uint64_t xuid)
@@ -96,7 +102,7 @@ namespace chat
 
 		if (xuid < 19 && !game::is_server())
 		{
-			char buffer[256];
+			char buffer[256]{};
 			game::CL_GetClientName(0, static_cast<int>(xuid - 1), buffer, sizeof(buffer), true);
 
 			return utils::string::va("%s\n", buffer);
@@ -167,6 +173,9 @@ namespace chat
 			{
 				// Ignore some check that suppresses the chat
 				utils::hook::nop(0x141DEA9BD_g, 2);
+
+				// Add chat history to the in-game console
+				utils::hook::call(0x141DEAA0F_g, cl_handle_chat); // I_strcpy
 			}
 		}
 	};
diff --git a/src/client/game/symbols.hpp b/src/client/game/symbols.hpp
index 3c862444..470af2aa 100644
--- a/src/client/game/symbols.hpp
+++ b/src/client/game/symbols.hpp
@@ -210,6 +210,9 @@ namespace game
 
 	// Utils
 	WEAK symbol<const char*(char* str)> I_CleanStr{0x1422E9050, 0x140580E80};
+	WEAK symbol<void(char* dest, size_t destsize, const char* src)> I_strcpy{
+		0x1422E9410, 0x1405811E0
+	};
 
 	// Variables
 	WEAK symbol<cmd_function_s> cmd_functions{0x15689DF58, 0x14946F860};