From 3bcad70a1068cc92083afedeb33494e45c99d807 Mon Sep 17 00:00:00 2001
From: Skull Merlin <86374920+skkuull@users.noreply.github.com>
Date: Thu, 5 May 2022 21:59:50 +0300
Subject: [PATCH] g_speed implementation

thx to fed for his help
---
 src/client/component/gameplay.cpp | 17 +++++++++++++++++
 src/client/game/dvars.cpp         |  2 ++
 src/client/game/dvars.hpp         |  2 ++
 3 files changed, 21 insertions(+)

diff --git a/src/client/component/gameplay.cpp b/src/client/component/gameplay.cpp
index 31635184..040fa30e 100644
--- a/src/client/component/gameplay.cpp
+++ b/src/client/component/gameplay.cpp
@@ -88,6 +88,18 @@ namespace gameplay
 			a.jmp(0x1401EAF9D);
 		});
 
+		const auto g_speed_stub = utils::hook::assemble([](utils::hook::assembler& a)
+		{
+			a.mov(rax, qword_ptr(reinterpret_cast<int64_t>(&dvars::g_speed)));
+			a.mov(eax, dword_ptr(rax, 0x10));
+
+			// original code
+			a.mov(dword_ptr(r14, 0x36), ax);
+			a.movzx(eax, word_ptr(r14, 0x3A));
+
+			a.jmp(0x140323DBC);
+		});
+
 		const auto client_end_frame_stub = utils::hook::assemble([](utils::hook::assembler& a)
 		{
 			a.push(rax);
@@ -130,6 +142,11 @@ namespace gameplay
 				"Flag whether player ejection is on or off");
 			utils::hook::call(0x140323333, stuck_in_client_stub);
 
+			utils::hook::nop(0x140323DAD, 15);
+			utils::hook::jump(0x140323DAD, g_speed_stub, true);
+			dvars::g_speed = dvars::register_int("g_speed", 190, std::numeric_limits<int>::min(), std::numeric_limits<int>::max(),
+				game::DVAR_FLAG_REPLICATED, "changes the speed of the player");
+
 			// Implement player collision dvar
 			dvars::g_playerCollision = dvars::register_bool("g_playerCollision", true, game::DVAR_FLAG_REPLICATED,
 				"Flag whether player collision is on or off");
diff --git a/src/client/game/dvars.cpp b/src/client/game/dvars.cpp
index f46d7d5b..9587788a 100644
--- a/src/client/game/dvars.cpp
+++ b/src/client/game/dvars.cpp
@@ -30,6 +30,8 @@ namespace dvars
 	game::dvar_t* r_fullbright;
 	game::dvar_t* r_chams;
 
+	game::dvar_t* g_speed = nullptr;
+
 	game::dvar_t* g_gravity = nullptr;
 
 	game::dvar_t* pm_bouncing = nullptr;
diff --git a/src/client/game/dvars.hpp b/src/client/game/dvars.hpp
index 24c4afb5..2d3f85be 100644
--- a/src/client/game/dvars.hpp
+++ b/src/client/game/dvars.hpp
@@ -33,6 +33,8 @@ namespace dvars
 	extern game::dvar_t* r_fullbright;
 	extern game::dvar_t* r_chams;
 
+	extern game::dvar_t* g_speed;
+
 	extern game::dvar_t* g_gravity;
 
 	extern game::dvar_t* pm_bouncing;