Fix various spelling errors

src/blitter/40bpp_anim.cpp

@@ -176,7 +176,7 @@ inline void Blitter_40bppAnim::Draw(const Blitter::BlitterParams *bp, ZoomLevel
 	assert(VideoDriver::GetInstance()->GetAnimBuffer() != nullptr);
 	uint8_t *anim = VideoDriver::GetInstance()->GetAnimBuffer() + ((uint32_t *)bp->dst - (uint32_t *)_screen.dst_ptr) + bp->top * bp->pitch + bp->left;
 
-	/* store so we don't have to access it via bp everytime (compiler assumes pointer aliasing) */
+	/* store so we don't have to access it via bp every time (compiler assumes pointer aliasing) */
 	const uint8_t *remap = bp->remap;
 
 	for (int y = 0; y < bp->height; y++) {

src/cargotype.cpp

@@ -52,7 +52,7 @@ CargoID _cargo_id_passengers = INVALID_CARGO;
 CargoID _cargo_id_mail = INVALID_CARGO;
 
 /**
- * Default cargo translation for upto version 7 NewGRFs.
+ * Default cargo translation for up to version 7 NewGRFs.
  * This maps the original 12 cargo slots to their original label. If a climate dependent cargo is not present it will
  * map to CT_INVALID. For default cargoes this ends up as a 1:1 mapping via climate slot -> label -> cargo ID.
  */

src/cargotype.h

@@ -88,7 +88,7 @@ struct CargoSpec {
 	bool is_freight;                                               ///< Cargo type is considered to be freight (affects train freight multiplier).
 	TownAcceptanceEffect town_acceptance_effect;                   ///< The effect that delivering this cargo type has on towns. Also affects destination of subsidies.
 	TownProductionEffect town_production_effect = INVALID_TPE;     ///< The effect on town cargo production.
-	uint16_t town_production_multiplier = TOWN_PRODUCTION_DIVISOR; ///< Town production multipler, if commanded by TownProductionEffect.
+	uint16_t town_production_multiplier = TOWN_PRODUCTION_DIVISOR; ///< Town production multiplier, if commanded by TownProductionEffect.
 	uint8_t callback_mask;                                         ///< Bitmask of cargo callbacks that have to be called
 
 	StringID name;                        ///< Name of this type of cargo.

src/company_gui.cpp

@@ -2467,7 +2467,7 @@ struct CompanyWindow : Window
 		}
 
 		if (y == r.top) {
-			/* No String was emited before, so there must be no vehicles at all. */
+			/* No String was emitted before, so there must be no vehicles at all. */
 			DrawString(r.left, r.right, y, STR_COMPANY_VIEW_VEHICLES_NONE);
 		}
 	}
@@ -2510,7 +2510,7 @@ struct CompanyWindow : Window
 		}
 
 		if (y == r.top) {
-			/* No String was emited before, so there must be no infrastructure at all. */
+			/* No String was emitted before, so there must be no infrastructure at all. */
 			DrawString(r.left, r.right, y, STR_COMPANY_VIEW_INFRASTRUCTURE_NONE);
 		}
 	}

src/console_cmds.cpp

@@ -445,7 +445,7 @@ DEF_CONSOLE_CMD(ConScrollToTile)
  * Highlight a tile on the map.
  * param x tile number or tile x coordinate.
  * param y optional y coordinate.
- * @note When only one argument is given it is intepreted as the tile number.
+ * @note When only one argument is given it is interpreted as the tile number.
  *       When two arguments are given, they are interpreted as the tile's x
  *       and y coordinates.
  * @return True when either console help was shown or a proper amount of parameters given.
@@ -1204,7 +1204,7 @@ DEF_CONSOLE_CMD(ConMergeCompanies)
 	if (argc != 3) {
 		IConsolePrint(CC_HELP, "Merge two companies together. Usage: 'merge_companies <main-company-id> <to-merge-company-id>'");
 		IConsolePrint(CC_HELP, "The first company ID <main-company-id> will be left with the combined assets of both companies.");
-		IConsolePrint(CC_HELP, "The second company ID <to-merge-company-id> will be removed, with all assets transfered to the first company ID.");
+		IConsolePrint(CC_HELP, "The second company ID <to-merge-company-id> will be removed, with all assets transferred to the first company ID.");
 		IConsolePrint(CC_HELP, "For company-id's, see the list of companies from the dropdown menu. Company 1 is 1, etc.");
 		return true;
 	}

src/crashlog.h

@@ -47,7 +47,7 @@ class CrashLog {
 	/** Pointer to the error message. */
 	static const char *message;
 
-	/** Whether a crash has already occured */
+	/** Whether a crash has already occurred */
 	static bool have_crashed;
 
 protected:

src/debug.h

@@ -71,7 +71,7 @@ void DebugIntl(DebugLevelID dbg, int8_t level, fmt::format_string<T...> msg, T&&
 }
 
 /**
- * Ouptut a line of debugging information.
+ * Output a line of debugging information.
  * @param name The category of debug information.
  * @param level The maximum debug level this message should be shown at. When the debug level for this category is set lower, then the message will not be shown.
  * @param format_string The formatting string of the message.

src/departures.cpp

@@ -548,7 +548,7 @@ static void GetDepartureCandidateOrderDatesFromVehicle(std::vector<OrderDate> &n
 			break;
 		}
 
-		/* If an order has a 0 travel time, and it's not explictly set, then stop. */
+		/* If an order has a 0 travel time, and it's not explicitly set, then stop. */
 		if (require_travel_time && order->GetTravelTime() == 0 && !order->IsTravelTimetabled() && !order->IsType(OT_IMPLICIT)) {
 			break;
 		}
@@ -1163,7 +1163,7 @@ static DepartureList MakeDepartureListLiveMode(DepartureOrderDestinationDetector
 				break;
 			}
 
-			/* If an order has a 0 travel time, and it's not explictly set, then stop. */
+			/* If an order has a 0 travel time, and it's not explicitly set, then stop. */
 			if (require_travel_time && order->GetTravelTime() == 0 && !order->IsTravelTimetabled() && !order->IsType(OT_IMPLICIT)) {
 				break;
 			}
@@ -1437,7 +1437,7 @@ void DepartureListScheduleModeSlotEvaluator::EvaluateSlotIndex(uint slot_index)
 	/* Loop through the vehicle's orders until we've found a suitable order or we've determined that no such order exists. */
 	/* We only need to consider each order at most once. */
 	for (int i = this->v->GetNumOrders(); i > 0; --i) {
-		/* If an order has a 0 travel time, and it's not explictly set, then stop. */
+		/* If an order has a 0 travel time, and it's not explicitly set, then stop. */
 		if (require_travel_time && order->GetTravelTime() == 0 && !order->IsTravelTimetabled() && !order->IsType(OT_IMPLICIT) && !order->IsType(OT_CONDITIONAL)) {
 			break;
 		}

src/economy.cpp

@@ -809,7 +809,7 @@ static void CompaniesGenStatistics()
 	}
 	cur_company.Restore();
 
-	/* Only run the economic statics and update company stats every 3rd month (1st of quarter). */
+	/* Only run the economic statistics and update company stats every 3rd month (1st of quarter). */
 	if ((EconTime::CurMonth() % 3) != 0) return;
 
 	for (Company *c : Company::Iterate()) {

src/fileio.cpp

@@ -465,7 +465,7 @@ bool TarScanner::AddFile(Subdirectory sd, const std::string &filename)
  * header contains garbage and is malicious. So, we cannot rely on the string
  * being properly terminated.
  * As such, do not use strlen to determine the actual length (explicitly or
- * implictly via the std::string constructor), but pass the buffer bounds
+ * implicitly via the std::string constructor), but pass the buffer bounds
  * explicitly.
  * @param buffer The buffer to read from.
  * @return The string data.

src/gamelog.cpp

@@ -177,7 +177,7 @@ void GamelogPrint(format_target &buffer)
 					break;
 
 				case GLCT_REVISION:
-					/* The game was loaded in a diffferent version than before. */
+					/* The game was loaded in a different version than before. */
 					buffer.format("Revision text changed to {}, savegame version {}, ",
 						lc->revision.text, lc->revision.slver);
 

src/genworld.h

@@ -50,7 +50,7 @@ static const uint CUSTOM_SEA_LEVEL_MIN_PERCENTAGE = 1;    ///< Minimum percentag
 static const uint CUSTOM_SEA_LEVEL_MAX_PERCENTAGE = 90;   ///< Maximum percentage a user can specify for custom sea level.
 
 static const uint MAP_HEIGHT_LIMIT_AUTO_MINIMUM = 30; ///< When map height limit is auto, make this the lowest possible map height limit.
-static const uint MAP_HEIGHT_LIMIT_AUTO_CEILING_ROOM = 15; ///< When map height limit is auto, the map height limit will be the higest peak plus this value.
+static const uint MAP_HEIGHT_LIMIT_AUTO_CEILING_ROOM = 15; ///< When map height limit is auto, the map height limit will be the highest peak plus this value.
 
 typedef void GWDoneProc();  ///< Procedure called when the genworld process finishes
 typedef void GWAbortProc(); ///< Called when genworld is aborted

src/gfx.cpp

@@ -2235,7 +2235,7 @@ void UpdateGUIZoom()
 
 /**
  * Resolve GUI zoom level and adjust GUI to new zoom, if auto-suggestion is requested.
- * @param automatic Set if the change is occuring due to OS DPI scaling being changed.
+ * @param automatic Set if the change is occurring due to OS DPI scaling being changed.
  * @returns true when the zoom level has changed, caller must call ReInitAllWindows(true)
  * after resizing the application's window/buffer.
  */

src/ground_vehicle.cpp

@@ -206,7 +206,7 @@ GroundVehicleAcceleration GroundVehicle<T, Type>::GetAcceleration()
 	}
 
 
-	/* Constructued from power, with need to multiply by 18 and assuming
+	/* Constructed from power, with need to multiply by 18 and assuming
 	 * low speed, it needs to be a 64 bit integer too. */
 	int64_t force;
 	int64_t braking_force;

src/industry_cmd.cpp

@@ -1840,7 +1840,7 @@ static void DoCreateNewIndustry(Industry *i, TileIndex tile, IndustryType type,
 		a.cargo = indspec->accepts_cargo[index];
 	}
 
-	/* Randomize inital production if non-original economy is used and there are no production related callbacks. */
+	/* Randomize initial production if non-original economy is used and there are no production related callbacks. */
 	if (!indspec->UsesOriginalEconomy()) {
 		for (auto &p : i->Produced()) {
 			p.rate = ClampTo<uint8_t>((RandomRange(256) + 128) * p.rate >> 8);

src/industry_map.h

@@ -180,7 +180,7 @@ inline void SetIndustryConstructionCounter(TileIndex tile, uint8_t value)
 /**
  * Reset the construction stage counter of the industry,
  * as well as the completion bit.
- * In fact, it is the same as restarting construction frmo ground up
+ * In fact, it is the same as restarting construction from the ground up.
  * @param tile the tile to query
  * @pre IsTileType(tile, MP_INDUSTRY)
  */

src/landscape.cpp

@@ -1398,7 +1398,7 @@ static void CreateRivers()
  * Calculate what height would be needed to cover N% of the landmass.
  *
  * The function allows both snow and desert/tropic line to be calculated. It
- * tries to find the closests height which covers N% of the landmass; it can
+ * tries to find the closest height which covers N% of the landmass; it can
  * be below or above it.
  *
  * Tropic has a mechanism where water and tropic tiles in mountains grow

src/landscape_ppz.cpp

@@ -59,7 +59,7 @@ uint GetPartialPixelZ(int x, int y, Slope corners)
 		case SLOPE_S: return x + y >= (int)TILE_SIZE ? (1 + x + y - TILE_SIZE) >> 1 : 0;
 		case SLOPE_W: return x >= y                  ? (x - y)                 >> 1 : 0;
 
-		/* Two corners next to eachother are up. */
+		/* Two corners next to each other are up. */
 		case SLOPE_NE: return (TILE_SIZE - x) >> 1;
 		case SLOPE_SE: return (y + 1) >> 1;
 		case SLOPE_SW: return (x + 1) >> 1;

src/league_gui.cpp

@@ -264,7 +264,7 @@ class ScriptLeagueWindow : public Window {
 	uint score_width;    ///< The width of the score text
 	uint header_height;  ///< Height of the table header
 	int line_height;     ///< Height of the text lines
-	Dimension icon_size; ///< Dimenion of the company icon.
+	Dimension icon_size; ///< Dimension of the company icon.
 	std::string title;
 
 	/**

src/linkgraph/linkgraphschedule.cpp

@@ -241,7 +241,7 @@ void LinkGraphJobGroup::SpawnThread()
 		}
 	} else {
 		/* Of course this will hang a bit.
-		 * On the other hand, if you want to play games which make this hang noticably
+		 * On the other hand, if you want to play games which make this hang noticeably
 		 * on a platform without threads then you'll probably get other problems first.
 		 * OK:
 		 * If someone comes and tells me that this hangs for them, I'll implement a

src/map.cpp

@@ -252,7 +252,7 @@ uint DistanceManhattan(TileIndex t0, TileIndex t1)
  * Gets the 'Square' distance between the two given tiles.
  * The 'Square' distance is the square of the shortest (straight line)
  * distance between the two tiles.
- * Also known as euclidian- or L2-Norm squared.
+ * Also known as Euclidean- or L2-Norm squared.
  * @param t0 the start tile
  * @param t1 the end tile
  * @return the distance

src/map_func.h

@@ -350,7 +350,7 @@ inline TileIndexDiffC TileIndexToTileIndexDiffC(TileIndex tile_a, TileIndex tile
 
 /* Functions to calculate distances */
 uint DistanceManhattan(TileIndex, TileIndex); ///< also known as L1-Norm. Is the shortest distance one could go over diagonal tracks (or roads)
-uint64_t DistanceSquare64(TileIndex, TileIndex); ///< euclidian- or L2-Norm squared
+uint64_t DistanceSquare64(TileIndex, TileIndex); ///< Euclidean- or L2-Norm squared
 inline uint DistanceSquare(TileIndex t0, TileIndex t1) { return ClampTo<uint>(DistanceSquare64(t0, t1)); }
 uint DistanceMax(TileIndex, TileIndex); ///< also known as L-Infinity-Norm
 uint DistanceMaxPlusManhattan(TileIndex, TileIndex); ///< Max + Manhattan

src/network/core/http_winhttp.cpp

@@ -188,7 +188,7 @@ void NetworkHTTPRequest::WinHttpCallback(DWORD code, void *info, DWORD length)
 			break;
 
 		default:
-			Debug(net, 0, "HTTP request failed: unexepected callback code 0x{:x}", code);
+			Debug(net, 0, "HTTP request failed: unexpected callback code 0x{:x}", code);
 			this->callback.OnFailure();
 			this->finished = true;
 			return;

src/network/core/network_game_info.cpp

@@ -373,7 +373,7 @@ void DeserializeNetworkGameInfo(Packet &p, NetworkGameInfo &info, const GameInfo
 
 		case 4: {
 			/* Ensure that the maximum number of NewGRFs and the field in the network
-			 * protocol are matched to eachother. If that is not the case anymore a
+			 * protocol are matched to each other. If that is not the case anymore a
 			 * check must be added to ensure the received data is still valid. */
 			static_assert(std::numeric_limits<uint8_t>::max() == NETWORK_MAX_GRF_COUNT);
 			uint num_grfs = p.Recv_uint8();

src/network/core/packet.cpp

@@ -218,7 +218,7 @@ PacketType Packet::GetPacketType() const
 
 /**
  * Get the amount of bytes that are still available for the Transfer functions.
- * @return The number of bytes that still have to be transfered.
+ * @return The number of bytes that still have to be transferred.
  */
 size_t Packet::RemainingBytesToTransfer() const
 {

src/network/core/tcp_admin.h

@@ -174,7 +174,7 @@ class NetworkAdminSocketHandler : public NetworkTCPSocketHandler {
 	 * Send chat from the external source:
 	 * string    Name of the source this message came from.
 	 * uint16_t  TextColour to use for the message.
-	 * string    Name of the user who sent the messsage.
+	 * string    Name of the user who sent the message.
 	 * string    Message.
 	 * @param p The packet that was just received.
 	 * @return The state the network should have.

src/network/core/tcp_content.cpp

@@ -142,7 +142,7 @@ bool NetworkContentSocketHandler::ReceivePackets()
 	 * As a result, we simple handle an arbitrary number of packets in one cycle,
 	 * and let the rest be handled in subsequent cycles. These are ran, almost,
 	 * immediately after this cycle so in speed it does not matter much, except
-	 * that the user inferface will appear better responding.
+	 * that the user interface will appear better responding.
 	 *
 	 * What arbitrary number to choose is the ultimate question though.
 	 */

src/network/core/tcp_coordinator.h

@@ -227,7 +227,7 @@ class NetworkCoordinatorSocketHandler : public NetworkTCPSocketHandler {
 	/**
 	 * Game Coordinator requests the client/server to do a STUN request to the
 	 * STUN server. Important is to remember the local port these STUN requests
-	 * are sent from, as this will be needed for later conenctions too.
+	 * are sent from, as this will be needed for later connections too.
 	 * The client/server should do multiple STUN requests for every available
 	 * interface that connects to the Internet (e.g., once for IPv4 and once
 	 * for IPv6).

src/network/core/tcp_game.h

@@ -431,7 +431,7 @@ class NetworkGameSocketHandler : public NetworkTCPSocketHandler {
 	 * Sends a chat-packet for external source to the client:
 	 * string    Name of the source this message came from.
 	 * uint16_t  TextColour to use for the message.
-	 * string    Name of the user who sent the messsage.
+	 * string    Name of the user who sent the message.
 	 * string    Message (max NETWORK_CHAT_LENGTH).
 	 * @param p The packet that was just received.
 	 */

src/network/network.cpp

@@ -912,7 +912,7 @@ bool NetworkClientConnectGame(const std::string &connection_string, CompanyID de
 	} else {
 		/* When already playing a game, first go back to the main menu. This
 		 * disconnects the user from the current game, meaning we can safely
-		 * load in the new. After all, there is little point in continueing to
+		 * load in the new. After all, there is little point in continuing to
 		 * play on a server if we are connecting to another one.
 		 */
 		_switch_mode = SM_JOIN_GAME;

src/network/network_content_gui.cpp

@@ -325,7 +325,7 @@ struct ContentListFilterData {
 
 /** Filter criteria for NetworkContentListWindow. */
 enum ContentListFilterCriteria {
-	CONTENT_FILTER_TEXT = 0,        ///< Filter by query sting
+	CONTENT_FILTER_TEXT = 0,        ///< Filter by query string
 	CONTENT_FILTER_TYPE_OR_SELECTED,///< Filter by being of displayed type or selected for download
 };
 

src/network/network_coordinator.cpp

@@ -254,7 +254,7 @@ bool ClientNetworkCoordinatorSocketHandler::Receive_GC_LISTING(Packet &p)
 		ClearGRFConfigList(&item->info.grfconfig);
 		/* Copy the new NetworkGameInfo info. */
 		item->info = ngi;
-		/* Check for compatability with the client. */
+		/* Check for compatibility with the client. */
 		CheckGameCompatibility(item->info);
 		/* Mark server as online. */
 		item->status = NGLS_ONLINE;

src/network/network_query.cpp

@@ -122,7 +122,7 @@ NetworkRecvStatus QueryNetworkGameSocketHandler::Receive_SERVER_GAME_INFO(Packet
 	ClearGRFConfigList(&item->info.grfconfig);
 	/* Retrieve the NetworkGameInfo from the packet. */
 	DeserializeNetworkGameInfo(p, item->info);
-	/* Check for compatability with the client. */
+	/* Check for compatibility with the client. */
 	CheckGameCompatibility(item->info);
 	/* Ensure we consider the server online. */
 	item->status = NGLS_ONLINE;
@@ -141,7 +141,7 @@ NetworkRecvStatus QueryNetworkGameSocketHandler::Receive_SERVER_GAME_INFO_EXTEND
 	ClearGRFConfigList(&item->info.grfconfig);
 	/* Retrieve the NetworkGameInfo from the packet. */
 	DeserializeNetworkGameInfoExtended(p, item->info);
-	/* Check for compatability with the client. */
+	/* Check for compatibility with the client. */
 	CheckGameCompatibility(item->info, true);
 	/* Ensure we consider the server online. */
 	item->status = NGLS_ONLINE;

src/network/network_query.h

@@ -13,7 +13,7 @@
 #include "network_internal.h"
 #include <vector>
 
-/** Class for handling the client side of quering a game server. */
+/** Class for handling the client side of querying a game server. */
 class QueryNetworkGameSocketHandler : public ZeroedMemoryAllocator, public NetworkGameSocketHandler {
 private:
 	static std::vector<std::unique_ptr<QueryNetworkGameSocketHandler>> queries; ///< Pending queries.
@@ -34,7 +34,7 @@ class QueryNetworkGameSocketHandler : public ZeroedMemoryAllocator, public Netwo
 
 public:
 	/**
-	 * Create a new socket for the client side of quering game server.
+	 * Create a new socket for the client side of querying game server.
 	 * @param s The socket to connect with.
 	 * @param connection_string The connection string of the server.
 	 */