From 7d89c45944ec33a17d4c02985c2e3ec1ece1bdd1 Mon Sep 17 00:00:00 2001
From: staphen <staphen@gmail.com>
Date: Sat, 8 Mar 2025 11:30:19 -0500
Subject: [PATCH] Turn off per-pixel lighting by default on low power systems

---
 CMake/Definitions.cmake    | 1 +
 CMake/platforms/n3ds.cmake | 8 +++++---
 Source/options.cpp         | 5 ++++-
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/CMake/Definitions.cmake b/CMake/Definitions.cmake
index 14041b6ce1e..ab85b1f8fc6 100644
--- a/CMake/Definitions.cmake
+++ b/CMake/Definitions.cmake
@@ -37,6 +37,7 @@ foreach(
   DEFAULT_AUDIO_CHANNELS
   DEFAULT_AUDIO_BUFFER_SIZE
   DEFAULT_AUDIO_RESAMPLING_QUALITY
+  DEFAULT_PER_PIXEL_LIGHTING
   SDL1_VIDEO_MODE_BPP
   SDL1_VIDEO_MODE_FLAGS
   SDL1_VIDEO_MODE_SVID_FLAGS
diff --git a/CMake/platforms/n3ds.cmake b/CMake/platforms/n3ds.cmake
index bbb35b374c5..21dfa48cbc0 100644
--- a/CMake/platforms/n3ds.cmake
+++ b/CMake/platforms/n3ds.cmake
@@ -9,9 +9,6 @@ set(DEVILUTIONX_STATIC_LIBSODIUM ON)
 set(DEVILUTIONX_STATIC_LIBFMT ON)
 set(DISABLE_ZERO_TIER ON)
 set(LIBMPQ_FILE_BUFFER_SIZE 32768)
-set(USE_SDL1 ON)
-set(PREFILL_PLAYER_NAME ON)
-set(DEVILUTIONX_GAMEPAD_TYPE Nintendo)
 set(NOEXIT ON)
 
 # 3DS libraries and compile definitions
@@ -28,11 +25,13 @@ list(APPEND DEVILUTIONX_PLATFORM_COMPILE_DEFINITIONS __3DS__)
 set(DEVILUTIONX_DISABLE_STRIP ON)
 
 #SDL video mode parameters
+set(USE_SDL1 ON)
 set(SDL1_VIDEO_MODE_FLAGS SDL_DOUBLEBUF|SDL_HWSURFACE)
 set(SDL1_FORCE_SVID_VIDEO_MODE ON)
 set(SDL1_VIDEO_MODE_BPP 8)
 set(DEFAULT_WIDTH 800)
 set(DEFAULT_HEIGHT 480)
+set(DEFAULT_PER_PIXEL_LIGHTING false)
 
 #Deploy assets to romfs
 set(DEVILUTIONX_ASSETS_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/romfs")
@@ -62,3 +61,6 @@ set(JOY_BUTTON_BACK 7)
 set(JOY_BUTTON_START 0)
 set(JOY_BUTTON_TRIGGERLEFT 8)
 set(JOY_BUTTON_TRIGGERRIGHT 9)
+#Additional gamepad related options
+set(DEVILUTIONX_GAMEPAD_TYPE Nintendo)
+set(PREFILL_PLAYER_NAME ON)
diff --git a/Source/options.cpp b/Source/options.cpp
index 220a19e1a73..3eefbf57237 100644
--- a/Source/options.cpp
+++ b/Source/options.cpp
@@ -52,6 +52,9 @@ namespace devilution {
 #ifndef DEFAULT_AUDIO_RESAMPLING_QUALITY
 #define DEFAULT_AUDIO_RESAMPLING_QUALITY 3
 #endif
+#ifndef DEFAULT_PER_PIXEL_LIGHTING
+#define DEFAULT_PER_PIXEL_LIGHTING true
+#endif
 
 namespace {
 
@@ -674,7 +677,7 @@ GraphicsOptions::GraphicsOptions()
           })
     , brightness("Brightness Correction", OptionEntryFlags::Invisible, "Brightness Correction", "Brightness correction level.", 0)
     , zoom("Zoom", OptionEntryFlags::None, N_("Zoom"), N_("Zoom on when enabled."), false)
-    , perPixelLighting("Per-pixel Lighting", OptionEntryFlags::None, N_("Per-pixel Lighting"), N_("Subtile lighting for smoother light gradients."), true)
+    , perPixelLighting("Per-pixel Lighting", OptionEntryFlags::None, N_("Per-pixel Lighting"), N_("Subtile lighting for smoother light gradients."), DEFAULT_PER_PIXEL_LIGHTING)
     , colorCycling("Color Cycling", OptionEntryFlags::None, N_("Color Cycling"), N_("Color cycling effect used for water, lava, and acid animation."), true)
     , alternateNestArt("Alternate nest art", OptionEntryFlags::OnlyHellfire | OptionEntryFlags::CantChangeInGame, N_("Alternate nest art"), N_("The game will use an alternative palette for Hellfire’s nest tileset."), false)
 #if SDL_VERSION_ATLEAST(2, 0, 0)