From d9baf7c5eff9b559a9b550a907b4fbb7a2f0a9d0 Mon Sep 17 00:00:00 2001
From: Persson-dev <sim16.prib@gmail.com>
Date: Thu, 1 Jan 2026 22:33:58 +0100
Subject: [PATCH] add basic timer

---
 include/client/state/GameState.h           |  5 +++++
 include/td/render/renderer/TimerRenderer.h | 21 +++++++++++++++++++++
 src/client/state/GameState.cpp             |  1 +
 src/td/display/state/DebugWorldState.cpp   |  2 ++
 src/td/render/renderer/TimerRenderer.cpp   | 18 ++++++++++++++++++
 5 files changed, 47 insertions(+)
 create mode 100644 include/td/render/renderer/TimerRenderer.h
 create mode 100644 src/td/render/renderer/TimerRenderer.cpp

diff --git a/include/client/state/GameState.h b/include/client/state/GameState.h
index 9467e97..dcb065d 100644
--- a/include/client/state/GameState.h
+++ b/include/client/state/GameState.h
@@ -12,6 +12,7 @@ class GameState : public ClientState {
 	game::WorldPtr m_World;
 	sim::ClientSimulation m_Simulation;
 	float m_CurrentLerp;
+	float m_ElapsedTime;
 
   public:
 	GameState(Client& a_Client, const game::WorldPtr& a_World, std::uint64_t a_StepTime, const std::vector<protocol::LockStep> a_FirstSteps);
@@ -23,6 +24,10 @@ class GameState : public ClientState {
 		return m_CurrentLerp;
 	}
 
+	float GetElapsedTime() const {
+		return m_ElapsedTime;
+	}
+
 	game::WorldPtr GetWorld() const {
 		return m_World;
 	}
diff --git a/include/td/render/renderer/TimerRenderer.h b/include/td/render/renderer/TimerRenderer.h
new file mode 100644
index 0000000..dc65d3c
--- /dev/null
+++ b/include/td/render/renderer/TimerRenderer.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "client/state/GameState.h"
+#include <td/render/Renderer.h>
+#include <client/PlayerManager.h>
+
+namespace td {
+namespace render {
+
+class TimerRenderer : public BasicRenderer {
+  private:
+	const client::GameState& m_State;
+  public:
+	virtual void Render(float a_Lerp) override;
+
+	TimerRenderer(const client::GameState& a_State);
+	~TimerRenderer() {}
+};
+
+}  // namespace render
+}  // namespace td
diff --git a/src/client/state/GameState.cpp b/src/client/state/GameState.cpp
index e6da5dd..1bdba05 100644
--- a/src/client/state/GameState.cpp
+++ b/src/client/state/GameState.cpp
@@ -20,6 +20,7 @@ void GameState::Handle(const protocol::packets::LockStepResponsePacket& a_LockSt
 
 void GameState::Update(float a_Delta) {
 	m_CurrentLerp = m_Simulation.Update(a_Delta);
+	m_ElapsedTime += a_Delta;
 }
 
 }  // namespace client
diff --git a/src/td/display/state/DebugWorldState.cpp b/src/td/display/state/DebugWorldState.cpp
index 162ee6f..3e5ee5f 100644
--- a/src/td/display/state/DebugWorldState.cpp
+++ b/src/td/display/state/DebugWorldState.cpp
@@ -7,6 +7,7 @@
 #include <td/protocol/packet/Packets.h>
 #include <td/render/renderer/EntityRenderer.h>
 #include <td/render/renderer/PlayerListRenderer.h>
+#include <td/render/renderer/TimerRenderer.h>
 #include <td/render/renderer/TowerRenderer.h>
 #include <td/render/renderer/WorldRenderer.h>
 
@@ -41,6 +42,7 @@ DebugWorldState::DebugWorldState(Display& a_Display) : DisplayState(a_Display) {
 			m_Renderer.AddRenderer<render::WorldRenderer>(m_Camera, clientWorld);
 			m_Renderer.AddRenderer<render::EntityRenderer>(m_Camera, clientWorld);
 			m_Renderer.AddRenderer<render::TowerRenderer>(m_Camera, clientWorld);
+			m_Renderer.AddRenderer<render::TimerRenderer>(*gameState);
 
 			auto& list = m_Renderer.AddRenderer<render::PlayerListRenderer>(m_Client->GetPlayers());
 
diff --git a/src/td/render/renderer/TimerRenderer.cpp b/src/td/render/renderer/TimerRenderer.cpp
new file mode 100644
index 0000000..3132fd7
--- /dev/null
+++ b/src/td/render/renderer/TimerRenderer.cpp
@@ -0,0 +1,18 @@
+#include <client/state/GameState.h>
+#include <td/render/renderer/TimerRenderer.h>
+
+#include <imgui.h>
+
+namespace td {
+namespace render {
+
+void TimerRenderer::Render(float a_Lerp) {
+	ImGui::Begin("Timer");
+	ImGui::Text("Time : %02d:%02d", static_cast<int>(m_State.GetElapsedTime()) / 60, static_cast<int>(m_State.GetElapsedTime()) % 60);
+	ImGui::End();
+}
+
+TimerRenderer::TimerRenderer(const client::GameState& a_State) : m_State(a_State) {}
+
+}  // namespace render
+}  // namespace td