From 87a848334b917f12f2866435fffd943fa304b336 Mon Sep 17 00:00:00 2001
From: ScriptedSnark <51358194+ScriptedSnark@users.noreply.github.com>
Date: Fri, 5 Apr 2024 21:19:56 +0500
Subject: [PATCH] chaos_draw_as_overlay

---
 GSChaos/CChaos.cpp  |  2 ++
 GSChaos/CChaos.h    |  1 +
 GSChaos/GSChaos.cpp | 11 ++++++++++-
 README.md           |  3 ++-
 gamedir/README.txt  |  3 ++-
 5 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/GSChaos/CChaos.cpp b/GSChaos/CChaos.cpp
index 92feed91..70820653 100644
--- a/GSChaos/CChaos.cpp
+++ b/GSChaos/CChaos.cpp
@@ -9,6 +9,7 @@ cvar_t* chaos_effectname_ypos;
 cvar_t* chaos_dmca_safe;
 cvar_t* chaos_show_voting;
 cvar_t* chaos_timer;
+cvar_t* chaos_draw_as_overlay;
 
 void ActivateChaosFeatureW()
 {
@@ -67,6 +68,7 @@ void CChaos::Init()
 	chaos_dmca_safe = pEngfuncs->pfnRegisterVariable("chaos_dmca_safe", "1", 0);
 	chaos_show_voting = pEngfuncs->pfnRegisterVariable("chaos_show_voting", "0", 0);
 	chaos_timer = pEngfuncs->pfnRegisterVariable("chaos_timer", "30.0", 0);
+	chaos_draw_as_overlay = pEngfuncs->pfnRegisterVariable("chaos_draw_as_overlay", "0", 0);
 
 	for (int i = 0; i < 3; i++)
 	{
diff --git a/GSChaos/CChaos.h b/GSChaos/CChaos.h
index c2352abe..0978bb07 100644
--- a/GSChaos/CChaos.h
+++ b/GSChaos/CChaos.h
@@ -34,6 +34,7 @@ struct TwitchVoter
 };
 
 extern cvar_t* chaos_dmca_safe;
+extern cvar_t* chaos_draw_as_overlay;
 
 class CChaos
 {
diff --git a/GSChaos/GSChaos.cpp b/GSChaos/GSChaos.cpp
index 62920811..9927375b 100644
--- a/GSChaos/GSChaos.cpp
+++ b/GSChaos/GSChaos.cpp
@@ -111,7 +111,13 @@ int __stdcall HOOKED_wglSwapBuffers(HDC a1)
 		initialized = true;
 	}
 
-	gImGui.Draw();
+	if (chaos_draw_as_overlay)
+	{
+		if (chaos_draw_as_overlay->value > 0.0f)
+			gImGui.Draw();
+	}
+	else
+		gImGui.Draw();
 
 	return ORIG_wglSwapBuffers(a1);
 }
@@ -132,6 +138,9 @@ void HOOKED_HUD_Frame(double time)
 
 int HOOKED_HUD_Redraw(float time, int intermission)
 {
+	if (chaos_draw_as_overlay && chaos_draw_as_overlay->value <= 0.0f)
+		gImGui.Draw();
+
 	return g_bDrawHUD ? 1 : ORIG_HUD_Redraw(time, intermission);
 }
 
diff --git a/README.md b/README.md
index 8548b0f1..38b98fbf 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Supports builds `9920` (HL25), `8684` (steam_legacy), `4554` (GoldSrc Package, 2
 **Download via Github: [CLICK](https://github.com/ScriptedSnark/GSChaos/releases/tag/continuous)**
 
 Additional info:
-- Chaos UI rendering is not visible in OBS scene if third-party overlays checkbox is unchecked (doesn't matter if you capture hl.exe as a window, not game)
+- Chaos UI rendering is not visible in OBS scene (if chaos_draw_as_overlay is enabled) if third-party overlays checkbox is unchecked (doesn't matter if you capture hl.exe as a window, not game)
 - Save your game more often because of potential softlocks/crashes
 
 ## CVars and commands
@@ -23,6 +23,7 @@ Additional info:
 - `chaos_effectname_ypos` - sets position of effect name text by vertical (Y coord)
 - `chaos_show_voting` - draw voting progress in Chaos UI so you can see it without checking OBS
 - `chaos_timer` - sets time until the next effect
+- `chaos_draw_as_overlay` - if enabled, it draws Chaos UI as overlay and requires enabling 3rd-party overlays in OBS
 
 ## Twitch voting integration (WIP)
 GSChaos supports Twitch chat voting. If you want to use it, then do some steps:
diff --git a/gamedir/README.txt b/gamedir/README.txt
index 9299440a..22d3d12e 100644
--- a/gamedir/README.txt
+++ b/gamedir/README.txt
@@ -23,7 +23,7 @@ INSTALLATION (FOR WON 2005)
 
 ADDITIONAL INFO
 ==============
-- !!!Chaos UI rendering is not visible in OBS scene if third-party overlays checkbox is unchecked (doesn't matter if you capture hl.exe as a window, not game)!!!
+- !!!Chaos UI rendering is not visible in OBS scene (if chaos_draw_as_overlay is enabled) if third-party overlays checkbox is unchecked (doesn't matter if you capture hl.exe as a window, not game)!!!
 - Save your game more often because of potential softlocks/crashes
 
 CVARS AND COMMANDS
@@ -35,6 +35,7 @@ CVARS AND COMMANDS
 - `chaos_effectname_ypos` - sets position of effect name text by vertical (Y coord)
 - `chaos_show_voting` - draw voting progress in Chaos UI so you can see it without checking OBS
 - `chaos_timer` - sets time until the next effect
+- `chaos_draw_as_overlay` - if enabled, it draws Chaos UI as overlay and requires enabling 3rd-party overlays in OBS
 
 TWITCH CHAT VOTING INTEGRATION
 ==============