From 5baab016fab3f71bfc76a11de23c76f12abde0cf Mon Sep 17 00:00:00 2001
From: Emily <106335580+Vozath@users.noreply.github.com>
Date: Tue, 10 Mar 2026 23:57:13 -0400
Subject: [PATCH 1/4] meowww

---
 4J.Render/4J_Render.cpp | 11 ++++++++++-
 meson.build             |  6 ++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/4J.Render/4J_Render.cpp b/4J.Render/4J_Render.cpp
index c16920e82..a22e5ff1b 100644
--- a/4J.Render/4J_Render.cpp
+++ b/4J.Render/4J_Render.cpp
@@ -70,6 +70,9 @@ static void onFramebufferResize(int w, int h)
     ::glViewport(0, 0, w, h);
 }
 
+// V-Sync  
+
+
 // Initialize OpenGL & The SDL window.
 void C4JRender::Initialise()
 {
@@ -121,8 +124,14 @@ void C4JRender::Initialise()
         SDL_Quit();
         return;
     }
-    SDL_GL_SetSwapInterval(0); // V-Sync Off Please.
 
+    // 4JCraft VSync/V-Sync
+    #ifdef ENABLE_VSYNC
+        SDL_GL_SetSwapInterval(1); // V-Sync On Please.        
+    #else
+        SDL_GL_SetSwapInterval(0); // V-Sync Off Please. 
+    #endif  
+    
     int fw, fh; SDL_GetWindowSize(s_window, &fw, &fh); onFramebufferResize(fw, fh);
 
     // We initialize the OpenGL states. Touching those values makes some funny artifacts appear.
diff --git a/meson.build b/meson.build
index 7ec53a62e..e8e00dc3b 100644
--- a/meson.build
+++ b/meson.build
@@ -37,6 +37,12 @@ global_cpp_defs = [
   '-DDEBUG',
 ]
 
+if get_option('enable_vsync')
+    global_cpp_defs += '-DENABLE_VSYNC'
+    message('v-sync enabled')
+endif
+
+
 if host_machine.system() == 'linux'
   global_cpp_defs += [
     '-Dlinux',

From 0f605b8997b072ed2c084944b18b326055f6dd3b Mon Sep 17 00:00:00 2001
From: Emily <106335580+Vozath@users.noreply.github.com>
Date: Wed, 11 Mar 2026 00:09:07 -0400
Subject: [PATCH 2/4] mrrrp (V-Sync Changes)

---
 Minecraft.Client/GameState/Options.cpp      | 8 +++++++-
 Minecraft.Client/Rendering/GameRenderer.cpp | 2 ++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Minecraft.Client/GameState/Options.cpp b/Minecraft.Client/GameState/Options.cpp
index ed1f7eca5..06b08d5bd 100644
--- a/Minecraft.Client/GameState/Options.cpp
+++ b/Minecraft.Client/GameState/Options.cpp
@@ -116,7 +116,13 @@ void Options::init()
     bobView = true;
     anaglyph3d = false;
     advancedOpengl = false;
+    
+    //4JCRAFT V-Sync / VSync 
+    #ifdef ENABLE_VSYNC
     framerateLimit = 2;
+    #else
+    framerateLimit = 3;
+    #endif
     fancyGraphics = true;
     ambientOcclusion = true;
 	renderClouds = true;
@@ -522,4 +528,4 @@ void Options::save()
 bool Options::isCloudsOn()
 {
 	return viewDistance < 2 && renderClouds;
-}
\ No newline at end of file
+}
diff --git a/Minecraft.Client/Rendering/GameRenderer.cpp b/Minecraft.Client/Rendering/GameRenderer.cpp
index 9335fee5b..c81a243b8 100644
--- a/Minecraft.Client/Rendering/GameRenderer.cpp
+++ b/Minecraft.Client/Rendering/GameRenderer.cpp
@@ -2189,6 +2189,8 @@ int GameRenderer::getFpsCap(int option)
 	int maxFps = 200;
 	if (option == 1) maxFps = 120;
 	if (option == 2) maxFps = 35;
+  if (option == 3) maxFps = 0;
+
 	return maxFps;
 }
 

From bfc83f78306e51bbba04caf9c3f3e7693ba5d606 Mon Sep 17 00:00:00 2001
From: Emily <106335580+Vozath@users.noreply.github.com>
Date: Wed, 11 Mar 2026 00:13:09 -0400
Subject: [PATCH 3/4] forgot to add meson.options

---
 meson.options | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 meson.options

diff --git a/meson.options b/meson.options
new file mode 100644
index 000000000..c10135e97
--- /dev/null
+++ b/meson.options
@@ -0,0 +1,4 @@
+option('enable_vsync', 
+  type : 'boolean', 
+  value : true, 
+  description : 'Toggles weather V-Sync will be toggle on or off.')

From 4e286dd92c691460f423b79e45ff14be68771143 Mon Sep 17 00:00:00 2001
From: Emily <106335580+Vozath@users.noreply.github.com>
Date: Wed, 11 Mar 2026 00:29:19 -0400
Subject: [PATCH 4/4] ifdef the option 3

---
 Minecraft.Client/Rendering/GameRenderer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Minecraft.Client/Rendering/GameRenderer.cpp b/Minecraft.Client/Rendering/GameRenderer.cpp
index c81a243b8..bf7a01f28 100644
--- a/Minecraft.Client/Rendering/GameRenderer.cpp
+++ b/Minecraft.Client/Rendering/GameRenderer.cpp
@@ -2189,8 +2189,9 @@ int GameRenderer::getFpsCap(int option)
 	int maxFps = 200;
 	if (option == 1) maxFps = 120;
 	if (option == 2) maxFps = 35;
+  #ifndef ENABLE_VSYNC
   if (option == 3) maxFps = 0;
-
+  #endif
 	return maxFps;
 }