Merge bea6f90a7d into 1d38cbafcb

Replaces raw pointers, slightly.

src/ai/ai_info.cpp

@@ -90,7 +90,7 @@ template <> SQInteger PushClassName<AIInfo, ScriptType::AI>(HSQUIRRELVM vm) { sq
 	/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
 	sq_setinstanceup(vm, 2, nullptr);
 	/* Register the AI to the base system */
-	info->GetScanner()->RegisterScript(info);
+	info->GetScanner()->RegisterScript(std::unique_ptr<AIInfo>{info});
 	return 0;
 }
 
@@ -136,22 +136,21 @@ bool AIInfo::CanLoadFromVersion(int version) const
 /* static */ SQInteger AILibrary::Constructor(HSQUIRRELVM vm)
 {
 	/* Create a new library */
-	AILibrary *library = new AILibrary();
+	auto library = std::make_unique<AILibrary>();
 
 	SQInteger res = ScriptInfo::Constructor(vm, *library);
 	if (res != 0) {
-		delete library;
 		return res;
 	}
 
 	/* Cache the category */
 	if (!library->CheckMethod("GetCategory") || !library->engine->CallStringMethod(library->SQ_instance, "GetCategory", &library->category, MAX_GET_OPS)) {
-		delete library;
 		return SQ_ERROR;
 	}
 
 	/* Register the Library to the base system */
-	library->GetScanner()->RegisterScript(library);
+	ScriptScanner *scanner = library->GetScanner();
+	scanner->RegisterScript(std::move(library));
 
 	return 0;
 }

src/ai/ai_scanner.cpp

@@ -29,7 +29,7 @@ void AIScannerInfo::Initialize()
 {
 	ScriptScanner::Initialize("AIScanner");
 
-	ScriptAllocatorScope alloc_scope(this->engine);
+	ScriptAllocatorScope alloc_scope(this->engine.get());
 
 	/* Create the dummy AI */
 	this->main_script = "%_dummy";

src/fontcache.cpp

@@ -22,9 +22,10 @@
 
 #include "safeguards.h"
 
-/** Default heights for the different sizes of fonts. */
+/** Default unscaled heights for the different sizes of fonts. */
-static const int _default_font_height[FS_END]   = {10, 6, 18, 10};
+/* static */ const int FontCache::DEFAULT_FONT_HEIGHT[FS_END] = {10, 6, 18, 10};
-static const int _default_font_ascender[FS_END] = { 8, 5, 15,  8};
+/** Default unscaled ascenders for the different sizes of fonts. */
+/* static */ const int FontCache::DEFAULT_FONT_ASCENDER[FS_END] = {8, 5, 15, 8};
 
 FontCacheSettings _fcsettings;
 
@@ -32,8 +33,7 @@ FontCacheSettings _fcsettings;
  * Create a new font cache.
  * @param fs The size of the font.
  */
-FontCache::FontCache(FontSize fs) : parent(FontCache::Get(fs)), fs(fs), height(_default_font_height[fs]),
+FontCache::FontCache(FontSize fs) : parent(FontCache::Get(fs)), fs(fs)
-		ascender(_default_font_ascender[fs]), descender(_default_font_ascender[fs] - _default_font_height[fs])
 {
 	assert(this->parent == nullptr || this->fs == this->parent->fs);
 	FontCache::caches[this->fs] = this;
@@ -50,7 +50,7 @@ FontCache::~FontCache()
 
 int FontCache::GetDefaultFontHeight(FontSize fs)
 {
-	return _default_font_height[fs];
+	return FontCache::DEFAULT_FONT_HEIGHT[fs];
 }
 
 /**

src/fontcache.h

@@ -23,9 +23,9 @@ protected:
 	static FontCache *caches[FS_END]; ///< All the font caches.
 	FontCache *parent;                ///< The parent of this font cache.
 	const FontSize fs;                ///< The size of the font.
-	int height;                       ///< The height of the font.
+	int height = 0; ///< The height of the font.
-	int ascender;                     ///< The ascender value of the font.
+	int ascender = 0; ///< The ascender value of the font.
-	int descender;                    ///< The descender value of the font.
+	int descender = 0; ///< The descender value of the font.
 
 public:
 	FontCache(FontSize fs);
@@ -33,6 +33,11 @@ public:
 
 	static void InitializeFontCaches();
 
+	/** Default unscaled font heights. */
+	static const int DEFAULT_FONT_HEIGHT[FS_END];
+	/** Default unscaled font ascenders. */
+	static const int DEFAULT_FONT_ASCENDER[FS_END];
+
 	static int GetDefaultFontHeight(FontSize fs);
 
 	/**

src/game/game_info.cpp

@@ -78,7 +78,7 @@ template <> SQInteger PushClassName<GameInfo, ScriptType::GS>(HSQUIRRELVM vm) {
 	/* Remove the link to the real instance, else it might get deleted by RegisterGame() */
 	sq_setinstanceup(vm, 2, nullptr);
 	/* Register the Game to the base system */
-	info->GetScanner()->RegisterScript(info);
+	info->GetScanner()->RegisterScript(std::unique_ptr<GameInfo>{info});
 	return 0;
 }
 
@@ -106,22 +106,21 @@ bool GameInfo::CanLoadFromVersion(int version) const
 /* static */ SQInteger GameLibrary::Constructor(HSQUIRRELVM vm)
 {
 	/* Create a new library */
-	GameLibrary *library = new GameLibrary();
+	auto library = std::make_unique<GameLibrary>();
 
 	SQInteger res = ScriptInfo::Constructor(vm, *library);
 	if (res != 0) {
-		delete library;
 		return res;
 	}
 
 	/* Cache the category */
 	if (!library->CheckMethod("GetCategory") || !library->engine->CallStringMethod(library->SQ_instance, "GetCategory", &library->category, MAX_GET_OPS)) {
-		delete library;
 		return SQ_ERROR;
 	}
 
 	/* Register the Library to the base system */
-	library->GetScanner()->RegisterScript(library);
+	ScriptScanner *scanner = library->GetScanner();
+	scanner->RegisterScript(std::move(library));
 
 	return 0;
 }

src/game/game_scanner.cpp

@@ -92,8 +92,8 @@ GameLibrary *GameScannerLibrary::FindLibrary(const std::string &library, int ver
 	std::string library_name = fmt::format("{}.{}", library, version);
 
 	/* Check if the library + version exists */
-	ScriptInfoList::iterator it = this->info_list.find(library_name);
+	auto it = this->info_list.find(library_name);
 	if (it == this->info_list.end()) return nullptr;
 
-	return static_cast<GameLibrary *>((*it).second);
+	return static_cast<GameLibrary *>(it->second);
 }

src/heightmap.cpp

@@ -9,6 +9,7 @@
 
 #include "stdafx.h"
 #include "heightmap.h"
+#include "landscape.h"
 #include "clear_map.h"
 #include "strings_func.h"
 #include "void_map.h"
@@ -523,6 +524,10 @@ bool LoadHeightmap(DetailedFileType dft, std::string_view filename)
 	GrayscaleToMapHeights(x, y, map);
 
 	FixSlopes();
+
+	/* If all map borders are water, we will draw infinite water. */
+	_settings_game.game_creation.water_borders = (CheckWaterBorders(false) ? BORDERFLAGS_ALL : BorderFlag{});
+
 	MarkWholeScreenDirty();
 
 	return true;

src/landscape.cpp

@@ -635,6 +635,41 @@ void ClearSnowLine()
 	_snow_line = nullptr;
 }
 
+/**
+ * Check if all tiles on the map edge should be considered water borders.
+ * @param allow_non_flat_void Should we allow non-flat void tiles? (if map edge raised, then flattened to sea level)
+ * @return true If the edge of the map is flat and height 0, allowing for infinite water borders.
+ */
+bool CheckWaterBorders(bool allow_non_flat_void)
+{
+	auto check_tile = [allow_non_flat_void](uint x, uint y, Slope inner_edge) -> bool {
+		auto [slope, h] = GetTilePixelSlopeOutsideMap(x, y);
+
+		/* The edge tile is flat. */
+		if ((slope == SLOPE_FLAT) && (h == 0)) return true;
+		if (allow_non_flat_void && h == 0 && (slope & inner_edge) == 0 && IsTileType(TileXY(x, y), MP_VOID)) return true;
+		return false;
+	};
+
+	/* Check the map corners. */
+	if (!check_tile(0, 0, SLOPE_S)) return false;
+	if (!check_tile(0, Map::SizeY(), SLOPE_W)) return false;
+	if (!check_tile(Map::SizeX(), 0, SLOPE_E)) return false;
+	if (!check_tile(Map::SizeX(), Map::SizeY(), SLOPE_N)) return false;
+
+	/* Check the map edges.*/
+	for (uint x = 0; x <= Map::SizeX(); x++) {
+		if (!check_tile(x, 0, SLOPE_SE)) return false;
+		if (!check_tile(x, Map::SizeY(), SLOPE_NW)) return false;
+	}
+	for (uint y = 1; y < Map::SizeY(); y++) {
+		if (!check_tile(0, y, SLOPE_SW)) return false;
+		if (!check_tile(Map::SizeX(), y, SLOPE_NE)) return false;
+	}
+
+	return true;
+}
+
 /**
  * Clear a piece of landscape
  * @param flags of operation to conduct

src/landscape.h

@@ -33,6 +33,8 @@ uint8_t HighestSnowLine();
 uint8_t LowestSnowLine();
 void ClearSnowLine();
 
+bool CheckWaterBorders(bool allow_non_flat_void);
+
 int GetSlopeZInCorner(Slope tileh, Corner corner);
 std::tuple<Slope, int> GetFoundationSlope(TileIndex tile);
 

src/saveload/afterload.cpp

@@ -1024,6 +1024,27 @@ bool AfterLoadGame()
 		_settings_game.construction.freeform_edges = false;
 	}
 
+	/* Handle infinite water borders. */
+	if (IsSavegameVersionBefore(SLV_INFINITE_WATER_BORDERS)) {
+		if (CheckWaterBorders(true)) {
+			/* We passed the water borders check, yay! */
+			_settings_game.game_creation.water_borders = BORDERFLAGS_ALL;
+
+			/* Flatten void tiles, which may have been affected by terraforming near the map edge. */
+			for (uint x = 0; x <= Map::SizeX(); x++) {
+				SetTileHeightOutsideMap(x, 0, 0);
+				SetTileHeightOutsideMap(x, Map::SizeY(), 0);
+			}
+			for (uint y = 1; y < Map::SizeY(); y++) {
+				SetTileHeightOutsideMap(0, y, 0);
+				SetTileHeightOutsideMap(Map::SizeX(), y, 0);
+			}
+		} else {
+			/* Not all edges are ocean. */
+			_settings_game.game_creation.water_borders = BorderFlag{};
+		}
+	}
+
 	/* From version 9.0, we update the max passengers of a town (was sometimes negative
 	 *  before that. */
 	if (IsSavegameVersionBefore(SLV_9)) {

src/saveload/saveload.h

@@ -405,6 +405,7 @@ enum SaveLoadVersion : uint16_t {
 
 	SLV_FACE_STYLES,                        ///< 355  PR#14319 Addition of face styles, replacing gender and ethnicity.
 	SLV_INDUSTRY_NUM_VALID_HISTORY,         ///< 356  PR#14416 Store number of valid history records for industries.
+	SLV_INFINITE_WATER_BORDERS,             ///< 357  PR#13289 Draw infinite water when all borders are water.
 
 	SL_MAX_VERSION,                         ///< Highest possible saveload version
 };

src/script/script_scanner.cpp

@@ -44,10 +44,7 @@ bool ScriptScanner::AddFile(const std::string &filename, size_t, const std::stri
 	return true;
 }
 
-ScriptScanner::ScriptScanner() :
+ScriptScanner::ScriptScanner() = default;
-	engine(nullptr)
-{
-}
 
 void ScriptScanner::ResetEngine()
 {
@@ -58,7 +55,7 @@ void ScriptScanner::ResetEngine()
 
 void ScriptScanner::Initialize(std::string_view name)
 {
-	this->engine = new Squirrel(name);
+	this->engine = std::make_unique<Squirrel>(name);
 
 	this->RescanDir();
 
@@ -68,8 +65,6 @@ void ScriptScanner::Initialize(std::string_view name)
 ScriptScanner::~ScriptScanner()
 {
 	this->Reset();
-
-	delete this->engine;
 }
 
 void ScriptScanner::RescanDir()
@@ -83,15 +78,12 @@ void ScriptScanner::RescanDir()
 
 void ScriptScanner::Reset()
 {
-	for (const auto &item : this->info_list) {
-		delete item.second;
-	}
-
 	this->info_list.clear();
 	this->info_single_list.clear();
+	this->info_vector.clear();
 }
 
-void ScriptScanner::RegisterScript(ScriptInfo *info)
+void ScriptScanner::RegisterScript(std::unique_ptr<ScriptInfo> &&info)
 {
 	std::string script_original_name = this->GetScriptName(*info);
 	std::string script_name = fmt::format("{}.{}", script_original_name, info->GetVersion());
@@ -99,7 +91,6 @@ void ScriptScanner::RegisterScript(ScriptInfo *info)
 	/* Check if GetShortName follows the rules */
 	if (info->GetShortName().size() != 4) {
 		Debug(script, 0, "The script '{}' returned a string from GetShortName() which is not four characters. Unable to load the script.", info->GetName());
-		delete info;
 		return;
 	}
 
@@ -111,7 +102,6 @@ void ScriptScanner::RegisterScript(ScriptInfo *info)
 #else
 		if (it->second->GetMainScript() == info->GetMainScript()) {
 #endif
-			delete info;
 			return;
 		}
 
@@ -120,20 +110,20 @@ void ScriptScanner::RegisterScript(ScriptInfo *info)
 		Debug(script, 1, "  2: {}", info->GetMainScript());
 		Debug(script, 1, "The first is taking precedence.");
 
-		delete info;
 		return;
 	}
 
-	this->info_list[script_name] = info;
+	ScriptInfo *script_info = this->info_vector.emplace_back(std::move(info)).get();
+	this->info_list[script_name] = script_info;
 
-	if (!info->IsDeveloperOnly() || _settings_client.gui.ai_developer_tools) {
+	if (!script_info->IsDeveloperOnly() || _settings_client.gui.ai_developer_tools) {
 		/* Add the script to the 'unique' script list, where only the highest version
 		 *  of the script is registered. */
 		auto it = this->info_single_list.find(script_original_name);
 		if (it == this->info_single_list.end()) {
-			this->info_single_list[script_original_name] = info;
+			this->info_single_list[script_original_name] = script_info;
-		} else if (it->second->GetVersion() < info->GetVersion()) {
+		} else if (it->second->GetVersion() < script_info->GetVersion()) {
-			it->second = info;
+			it->second = script_info;
 		}
 	}
 }
@@ -195,17 +185,17 @@ struct ScriptFileChecksumCreator : FileScanner {
  * @param info The script to get the shortname and md5 sum from.
  * @return True iff they're the same.
  */
-static bool IsSameScript(const ContentInfo &ci, bool md5sum, ScriptInfo *info, Subdirectory dir)
+static bool IsSameScript(const ContentInfo &ci, bool md5sum, const ScriptInfo &info, Subdirectory dir)
 {
 	uint32_t id = 0;
-	auto str = std::string_view{info->GetShortName()}.substr(0, 4);
+	auto str = std::string_view{info.GetShortName()}.substr(0, 4);
 	for (size_t j = 0; j < str.size(); j++) id |= static_cast<uint8_t>(str[j]) << (8 * j);
 
 	if (id != ci.unique_id) return false;
 	if (!md5sum) return true;
 
 	ScriptFileChecksumCreator checksum(dir);
-	const auto &tar_filename = info->GetTarFile();
+	const auto &tar_filename = info.GetTarFile();
 	TarList::iterator iter;
 	if (!tar_filename.empty() && (iter = _tar_list[dir].find(tar_filename)) != _tar_list[dir].end()) {
 		/* The main script is in a tar file, so find all files that
@@ -224,7 +214,7 @@ static bool IsSameScript(const ContentInfo &ci, bool md5sum, ScriptInfo *info, S
 		/* There'll always be at least 1 path separator character in a script
 		 * main script name as the search algorithm requires the main script to
 		 * be in a subdirectory of the script directory; so <dir>/<path>/main.nut. */
-		const std::string &main_script = info->GetMainScript();
+		const std::string &main_script = info.GetMainScript();
 		std::string path = main_script.substr(0, main_script.find_last_of(PATHSEPCHAR));
 		checksum.Scan(".nut", path);
 	}
@@ -235,7 +225,7 @@ static bool IsSameScript(const ContentInfo &ci, bool md5sum, ScriptInfo *info, S
 bool ScriptScanner::HasScript(const ContentInfo &ci, bool md5sum)
 {
 	for (const auto &item : this->info_list) {
-		if (IsSameScript(ci, md5sum, item.second, this->GetDirectory())) return true;
+		if (IsSameScript(ci, md5sum, *item.second, this->GetDirectory())) return true;
 	}
 	return false;
 }
@@ -243,7 +233,7 @@ bool ScriptScanner::HasScript(const ContentInfo &ci, bool md5sum)
 std::optional<std::string_view> ScriptScanner::FindMainScript(const ContentInfo &ci, bool md5sum)
 {
 	for (const auto &item : this->info_list) {
-		if (IsSameScript(ci, md5sum, item.second, this->GetDirectory())) return item.second->GetMainScript();
+		if (IsSameScript(ci, md5sum, *item.second, this->GetDirectory())) return item.second->GetMainScript();
 	}
 	return std::nullopt;
 }

src/script/script_scanner.hpp

@@ -13,7 +13,7 @@
 #include "../fileio_func.h"
 #include "../string_func.h"
 
-typedef std::map<std::string, class ScriptInfo *, CaseInsensitiveComparator> ScriptInfoList; ///< Type for the list of scripts.
+using ScriptInfoList = std::map<std::string, class ScriptInfo *, CaseInsensitiveComparator>; ///< Type for the list of scripts.
 
 /** Scanner to help finding scripts. */
 class ScriptScanner : public FileScanner {
@@ -26,7 +26,7 @@ public:
 	/**
 	 * Get the engine of the main squirrel handler (it indexes all available scripts).
 	 */
-	class Squirrel *GetEngine() { return this->engine; }
+	class Squirrel *GetEngine() { return this->engine.get(); }
 
 	/**
 	 * Get the current main script the ScanDir is currently tracking.
@@ -51,7 +51,7 @@ public:
 	/**
 	 * Register a ScriptInfo to the scanner.
 	 */
-	void RegisterScript(class ScriptInfo *info);
+	void RegisterScript(std::unique_ptr<class ScriptInfo> &&info);
 
 	/**
 	 * Get the list of registered scripts to print on the console.
@@ -84,10 +84,12 @@ public:
 	void RescanDir();
 
 protected:
-	class Squirrel *engine;  ///< The engine we're scanning with.
+	std::unique_ptr<class Squirrel> engine; ///< The engine we're scanning with.
 	std::string main_script; ///< The full path of the script.
 	std::string tar_file;    ///< If, which tar file the script was in.
 
+	std::vector<std::unique_ptr<ScriptInfo>> info_vector;
+
 	ScriptInfoList info_list; ///< The list of all script.
 	ScriptInfoList info_single_list; ///< The list of all unique script. The best script (highest version) is shown.
 

src/table/settings/world_settings.ini

@@ -264,6 +264,7 @@ cat      = SC_BASIC
 var      = game_creation.water_borders
 type     = SLE_UINT8
 from     = SLV_111
+flags    = SettingFlag::NewgameOnly
 def      = 15
 min      = 0
 max      = 16

src/terraform_cmd.cpp

@@ -111,18 +111,27 @@ static std::tuple<CommandCost, TileIndex> TerraformTileHeight(TerraformerState *
 	 */
 	if (height == TerraformGetHeightOfTile(ts, tile)) return { CMD_ERROR, INVALID_TILE };
 
-	/* Check "too close to edge of map". Only possible when freeform-edges is off. */
+	/* If the map has infinite water borders, don't allow terraforming the outer ring of tiles to avoid blocking ships in a confusing way. */
+	if (_settings_game.game_creation.water_borders == BORDERFLAGS_ALL) {
 		uint x = TileX(tile);
 		uint y = TileY(tile);
-	if (!_settings_game.construction.freeform_edges && ((x <= 1) || (y <= 1) || (x >= Map::MaxX() - 1) || (y >= Map::MaxY() - 1))) {
+
-		/*
+		auto check_tile = [&](uint x_min, uint y_min, uint x_max, uint y_max) -> bool {
-		 * Determine a sensible error tile
+			return ((x <= x_min) || (y <= y_min) || (x >= Map::MaxX() - x_max) || (y >= Map::MaxY() - y_max));
-		 */
+		};
+
+		/* If free-form edges is off, distances are a bit different. */
+		if (!_settings_game.construction.freeform_edges && check_tile(1, 1, 1, 1)) {
+			/* Determine a sensible error tile. */
 			if (x == 1) x = 0;
 			if (y == 1) y = 0;
 			return { CommandCost(STR_ERROR_TOO_CLOSE_TO_EDGE_OF_MAP), TileXY(x, y) };
 		}
 
+		/* Freeform edges are enabled. */
+		if (check_tile(2, 2, 1, 1)) return { CommandCost(STR_ERROR_TOO_CLOSE_TO_EDGE_OF_MAP), TileXY(x, y) };
+	}
+
 	/* Mark incident tiles that are involved in the terraforming. */
 	TerraformAddDirtyTileAround(ts, tile);
 
@@ -209,7 +218,11 @@ std::tuple<CommandCost, Money, TileIndex> CmdTerraformLand(DoCommandFlags flags,
 			assert(t < Map::Size());
 			/* MP_VOID tiles can be terraformed but as tunnels and bridges
 			 * cannot go under / over these tiles they don't need checking. */
-			if (IsTileType(t, MP_VOID)) continue;
+			if (IsTileType(t, MP_VOID)) {
+				/* All water borders are drawn with infinite water, so don't allow terraforming off the map edge. */
+				if (_settings_game.game_creation.water_borders == BORDERFLAGS_ALL) return { CommandCost(STR_ERROR_TOO_CLOSE_TO_EDGE_OF_MAP), 0, t };
+				continue;
+			}
 
 			/* Find new heights of tile corners */
 			int z_N = TerraformGetHeightOfTile(&ts, t + TileDiffXY(0, 0));

src/tile_map.h

@@ -61,6 +61,18 @@ inline void SetTileHeight(Tile tile, uint height)
 	tile.height() = height;
 }
 
+/**
+ * Sets the height of a tile, also for tiles outside the map (virtual "black" tiles).
+ *
+ * @param tile The tile to change the height
+ * @param height The new height value of the tile
+ * @pre height <= MAX_TILE_HEIGHT
+ */
+inline void SetTileHeightOutsideMap(int x, int y, uint height)
+{
+	SetTileHeight(TileXY(Clamp(x, 0, Map::MaxX()), Clamp(y, 0, Map::MaxY())), height);
+}
+
 /**
  * Returns the height of a tile in pixels.
  *

src/video/win32_v.cpp

@@ -401,6 +401,40 @@ static void CancelIMEComposition(HWND hwnd)
 	HandleTextInput({}, true);
 }
 
+#if defined(_MSC_VER) && defined(NTDDI_WIN10_RS4)
+/* We only use WinRT functions on Windows 10 or later. Unfortunately, newer Windows SDKs are now
+ * linking the two functions below directly instead of using dynamic linking as previously.
+ * To avoid any runtime linking errors on Windows 7 or older, we stub in our own dynamic
+ * linking trampoline. */
+
+static LibraryLoader _combase("combase.dll");
+
+extern "C" int32_t __stdcall WINRT_IMPL_RoOriginateLanguageException(int32_t error, void *message, void *languageException) noexcept
+{
+	typedef BOOL(WINAPI *PFNRoOriginateLanguageException)(int32_t, void *, void *);
+	static PFNRoOriginateLanguageException RoOriginateLanguageException = _combase.GetFunction("RoOriginateLanguageException");
+
+	if (RoOriginateLanguageException != nullptr) {
+		return RoOriginateLanguageException(error, message, languageException);
+	} else {
+		return TRUE;
+	}
+}
+
+extern "C" int32_t __stdcall WINRT_IMPL_RoGetActivationFactory(void *classId, winrt::guid const &iid, void **factory) noexcept
+{
+	typedef BOOL(WINAPI *PFNRoGetActivationFactory)(void *, winrt::guid const &, void **);
+	static PFNRoGetActivationFactory RoGetActivationFactory = _combase.GetFunction("RoGetActivationFactory");
+
+	if (RoGetActivationFactory != nullptr) {
+		return RoGetActivationFactory(classId, iid, factory);
+	} else {
+		*factory = nullptr;
+		return winrt::impl::error_class_not_available;
+	}
+}
+#endif
+
 static bool IsDarkModeEnabled()
 {
 	/* Only build if SDK is Windows 10 1803 or later. */

src/void_cmd.cpp

@@ -21,7 +21,12 @@
 
 static void DrawTile_Void(TileInfo *ti)
 {
+	/* If all borders are water, draw infinite water off the edges of the map. */
+	if (_settings_game.game_creation.water_borders == BORDERFLAGS_ALL) {
+		DrawGroundSprite(SPR_FLAT_WATER_TILE + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
+	} else {
 		DrawGroundSprite(SPR_FLAT_BARE_LAND + SlopeToSpriteOffset(ti->tileh), PALETTE_ALL_BLACK);
+	}
 }