From 31249da5339c75f797bc0a095fd56bc495646c9d Mon Sep 17 00:00:00 2001
From: Quantum <quantum2048@gmail.com>
Date: Mon, 30 Aug 2021 06:48:41 -0400
Subject: [PATCH] [client] imgui: run animations at consistent speeds

Currently, this is visible through how fast the cursor blinks, with it
blinking faster at higher refresh rates. This commit makes the timing
consistent.
---
 client/src/app.c  | 4 ++++
 client/src/main.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/client/src/app.c b/client/src/app.c
index 58d9e304..037b26c1 100644
--- a/client/src/app.c
+++ b/client/src/app.c
@@ -811,6 +811,10 @@ int app_renderOverlay(struct Rect * rects, int maxRects)
   g_state.io->KeyAlt   = g_state.modAlt;
   g_state.io->KeySuper = g_state.modSuper;
 
+  uint64_t now = nanotime();
+  g_state.io->DeltaTime  = (now - g_state.lastImGuiFrame) * 1e-9f;
+  g_state.lastImGuiFrame = now;
+
   igNewFrame();
 
   if (g_state.overlayInput)
diff --git a/client/src/main.h b/client/src/main.h
index b75c65c3..19a4132c 100644
--- a/client/src/main.h
+++ b/client/src/main.h
@@ -60,6 +60,7 @@ struct AppState
   bool             modShift;
   bool             modAlt;
   bool             modSuper;
+  uint64_t         lastImGuiFrame;
 
   bool        alertShow;
   char      * alertMessage;