Add PostFX Lua functions

Author: omar-o22

Client/mods/deathmatch/logic/lua/CLuaManager.cpp

@@ -13,6 +13,7 @@
 #include "../luadefs/CLuaFireDefs.h"
 #include "../luadefs/CLuaClientDefs.h"
 #include "../luadefs/CLuaVectorGraphicDefs.h"
+#include "../luadefs/CLuaPostfxDefs.h"
 
 using std::list;
 
@@ -283,4 +284,5 @@ void CLuaManager::LoadCFunctions()
     CLuaClientDefs::LoadFunctions();
     CLuaDiscordDefs::LoadFunctions();
     CLuaBuildingDefs::LoadFunctions();
+    CLuaPostfxDefs::LoadFunctions();
 }

Client/mods/deathmatch/logic/luadefs/CLuaPostfxDefs.cpp

@@ -0,0 +1,68 @@
+/*****************************************************************************
+ *
+ *  PROJECT:     Multi Theft Auto
+ *  LICENSE:     See LICENSE in the top level directory
+ *  FILE:        mods/shared_logic/luadefs/CLuaPostfxDefs.cpp
+ *  PURPOSE:     Lua definitions class
+ *
+ *  Multi Theft Auto is available from https://www.multitheftauto.com/
+ *
+ *****************************************************************************/
+
+#include "StdInc.h"
+#include "CLuaPostfxDefs.h"
+#include <lua/CLuaFunctionParser.h>
+
+void CLuaPostfxDefs::LoadFunctions()
+{
+    constexpr static const std::pair<const char*, lua_CFunction> functions[]{
+        {"getPostFXValue", ArgumentParser<GetPostFXValue>},
+        {"getPostFXMode", ArgumentParser<GetPostFXMode>},
+        {"isPostFXEnabled", ArgumentParser<IsPostFXEnabled>},
+    };
+
+    // Add functions
+    for (const auto& [name, func] : functions)
+        CLuaCFunctions::AddFunction(name, func);
+}
+
+std::variant<float, bool> CLuaPostfxDefs::GetPostFXValue(int type)
+{
+    switch (static_cast<int>(type))
+    {
+        case 0: // Gamma
+            return g_pCore->GetCVars()->GetValue<float>("borderless_gamma_power", 0.0f);
+        case 1: // Brightness
+            return g_pCore->GetCVars()->GetValue<float>("borderless_brightness_scale", 0.0f);
+        case 2: // Contrast
+            return g_pCore->GetCVars()->GetValue<float>("borderless_contrast_scale", 0.0f);
+        case 3: // Saturation
+            return g_pCore->GetCVars()->GetValue<float>("borderless_saturation_scale", 0.0f);
+        default:
+            return false;
+    }
+}
+
+int CLuaPostfxDefs::GetPostFXMode()
+{
+    return g_pCore->GetCVars()->GetValue<bool>("borderless_apply_fullscreen", false) ? 1
+         : g_pCore->GetCVars()->GetValue<bool>("borderless_apply_windowed", false) ? 2
+         : 0;
+}
+
+bool CLuaPostfxDefs::IsPostFXEnabled(int type)
+{
+    switch (static_cast<int>(type))
+    {
+        case 0: // Gamma
+            return g_pCore->GetCVars()->GetValue<bool>("borderless_gamma_enabled", false);
+        case 1: // Brightness
+            return g_pCore->GetCVars()->GetValue<bool>("borderless_brightness_enabled", false);
+        case 2: // Contrast
+            return g_pCore->GetCVars()->GetValue<bool>("borderless_contrast_enabled", false);
+        case 3: // Saturation
+            return g_pCore->GetCVars()->GetValue<bool>("borderless_saturation_enabled", false);
+        default:
+            return false;
+    }
+}

Client/mods/deathmatch/logic/luadefs/CLuaPostfxDefs.h

@@ -0,0 +1,23 @@
+/*****************************************************************************
+ *
+ *  PROJECT:     Multi Theft Auto
+ *  LICENSE:     See LICENSE in the top level directory
+ *  FILE:        mods/shared_logic/luadefs/CLuaPostfxDefs.h
+ *  PURPOSE:     Lua definitions class
+ *
+ *  Multi Theft Auto is available from https://www.multitheftauto.com/
+ *
+ *****************************************************************************/
+
+#include "luadefs/CLuaDefs.h"
+
+class CLuaPostfxDefs : public CLuaDefs
+{
+public:
+    static void LoadFunctions();
+
+private:
+    static std::variant<float, bool> GetPostFXValue(int type);
+    static int GetPostFXMode();
+    static bool IsPostFXEnabled(int type);
+};