Add auto-bunnyhop to CreateMove hook.

* TODO: Store NetVar offsets statically.

Signed-off-by: aixxe <me@aixxe.net>

src/Basehook.h

@@ -10,3 +10,5 @@
 #include "Utilities/FindPattern.h"
 #include "Utilities/Interfaces.h"
 #include "Utilities/NetVars.h"
+
+#include "Game/Entity.h"

src/GUI/Components.cpp

@@ -8,7 +8,12 @@ void GUI::DrawFramerateCounter() {
 }
 
 void GUI::DrawConfigurationWindow() {
-	ImGui::Begin("cstrike-basehook-linux", nullptr);
-	ImGui::Text("Hello, world!");
+	ImGui::Begin("Settings", nullptr);
+	ImGui::PushItemWidth(-1);
+
+	ImGui::Checkbox("Auto-bunnyhop", &GUI::BunnyHop::Enabled);
+	ImGui::Spacing();
+	
+	ImGui::PopItemWidth();
 	ImGui::End();
 }

src/GUI/GUI.cpp

@@ -2,6 +2,8 @@
 
 bool GUI::IsVisible = false;
 
+bool GUI::BunnyHop::Enabled = true;
+
 void GUI::Render() {
 	// Draw various global components.
 	GUI::DrawFramerateCounter();

src/GUI/GUI.h

@@ -6,6 +6,10 @@
 namespace GUI {
 	extern bool IsVisible;
 
+	namespace BunnyHop {
+		extern bool Enabled;
+	}
+
 	void DrawFramerateCounter();
 	void DrawConfigurationWindow();
 

src/Game/Entity.h

@@ -0,0 +1,11 @@
+#pragma once
+
+class C_BaseEntity: public IClientEntity {
+};
+
+class C_BasePlayer: public C_BaseEntity {
+	public:
+		int GetFlags() {
+			return *reinterpret_cast<int*>(uintptr_t(this) + NetVars::GetOffset("CBasePlayer", "m_fFlags"));
+		}
+};

src/Hooks/CreateMove.cpp

@@ -12,9 +12,16 @@ void Hooks::CreateMove(IBaseClientDLL* thisptr, int sequence, float frametime, b
 	// Get the current user command.
 	CUserCmd* cmd = input->GetUserCmd(sequence);
 
-	if (cmd->buttons & IN_JUMP) {
-		cmd->buttons |= IN_ATTACK;
-	}
+	// Get the LocalPlayer entity.
+	C_BasePlayer* localplayer = static_cast<C_BasePlayer*>(entitylist->GetClientEntity(engine->GetLocalPlayer()));
+	
+	// No need to validate if we stop here since we haven't changed anything yet.
+	if (!localplayer)
+		return;
+
+	// Auto-bunnyhop when jump key is held. (releases the IN_JUMP button when on ground)
+	if (GUI::BunnyHop::Enabled && cmd->buttons & IN_JUMP && !(localplayer->GetFlags() & FL_ONGROUND))
+		cmd->buttons &= ~IN_JUMP;
 	
 	// Re-calculate the command checksum after making changes.
 	input->VerifyUserCmd(cmd, sequence);