(svn r10587) -Codechange: move the string/dparam related stuff from variables.h to strings.h

39 files changed, 125 insertions, 83 deletions

diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index 8e06f31cb..d12114d3f 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -10,6 +10,7 @@
 #include "functions.h"
 #include "landscape.h"
 #include "station_map.h"
+#include "strings.h"
 #include "table/strings.h"
 #include "map.h"
 #include "tile.h"
diff --git a/src/aircraft_gui.cpp b/src/aircraft_gui.cpp
index c02a21346..c3c1c2bdd 100644
--- a/src/aircraft_gui.cpp
+++ b/src/aircraft_gui.cpp
@@ -9,6 +9,7 @@
 #include "functions.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "map.h"
 #include "window.h"
 #include "gui.h"
diff --git a/src/autoreplace_gui.cpp b/src/autoreplace_gui.cpp
index d8bfd11cf..8db0c0475 100644
--- a/src/autoreplace_gui.cpp
+++ b/src/autoreplace_gui.cpp
@@ -8,6 +8,7 @@
 #include "functions.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "window.h"
 #include "gui.h"
 #include "command.h"
diff --git a/src/bridge_gui.cpp b/src/bridge_gui.cpp
index 238ac1698..6bc8b94a3 100644
--- a/src/bridge_gui.cpp
+++ b/src/bridge_gui.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "map.h"
 #include "window.h"
diff --git a/src/command.cpp b/src/command.cpp
index 8216bd840..8d7c745c7 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "landscape.h"
 #include "map.h"
diff --git a/src/depot_gui.cpp b/src/depot_gui.cpp
index 2f63a0945..d5a86fe09 100644
--- a/src/depot_gui.cpp
+++ b/src/depot_gui.cpp
@@ -10,6 +10,7 @@
 #include "ship.h"
 #include "aircraft.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "gui.h"
 #include "gfx.h"
diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index 41956ae63..5be1730ab 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -23,6 +23,7 @@
 #include "industry_map.h"
 #include "station_map.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "map.h"
 #include "tile.h"
 #include "vehicle.h"
diff --git a/src/economy.cpp b/src/economy.cpp
index a8aef3542..4f6136923 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -538,7 +538,7 @@ void DrawNewsBankrupcy(Window *w)
 		int32 price;
 
 		DrawStringCentered(w->width>>1, 1, STR_7059_TRANSPORT_COMPANY_MERGER, 0);
-		COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
+		CopyInDParam(0,WP(w,news_d).ni->params, 2);
 		SetDParam(2, p->index);
 		price = WP(w,news_d).ni->params[2];
 		SetDParam(3, price);
@@ -552,7 +552,7 @@ void DrawNewsBankrupcy(Window *w)
 
 	case NB_BBANKRUPT:
 		DrawStringCentered(w->width>>1, 1, STR_705C_BANKRUPT, 0);
-		COPY_IN_DPARAM(0,WP(w,news_d).ni->params, 2);
+		CopyInDParam(0,WP(w,news_d).ni->params, 2);
 		DrawStringMultiCenter(
 			((w->width - 101) >> 1) + 98,
 			90,
@@ -563,7 +563,7 @@ void DrawNewsBankrupcy(Window *w)
 	case NB_BNEWCOMPANY:
 		DrawStringCentered(w->width>>1, 1, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED, 0);
 		SetDParam(0, p->index);
-		COPY_IN_DPARAM(1,WP(w,news_d).ni->params, 2);
+		CopyInDParam(1,WP(w,news_d).ni->params, 2);
 		DrawStringMultiCenter(
 			((w->width - 101) >> 1) + 98,
 			90,
@@ -589,20 +589,20 @@ StringID GetNewsStringBankrupcy(const NewsItem *ni)
 	case NB_BMERGER:
 		SetDParam(0, STR_7059_TRANSPORT_COMPANY_MERGER);
 		SetDParam(1, STR_705A_HAS_BEEN_SOLD_TO_FOR);
-		COPY_IN_DPARAM(2,ni->params, 2);
+		CopyInDParam(2,ni->params, 2);
 		SetDParam(4, p->index);
-		COPY_IN_DPARAM(5,ni->params + 2, 1);
+		CopyInDParam(5,ni->params + 2, 1);
 		return STR_02B6;
 	case NB_BBANKRUPT:
 		SetDParam(0, STR_705C_BANKRUPT);
 		SetDParam(1, STR_705D_HAS_BEEN_CLOSED_DOWN_BY);
-		COPY_IN_DPARAM(2,ni->params, 2);
+		CopyInDParam(2,ni->params, 2);
 		return STR_02B6;
 	case NB_BNEWCOMPANY:
 		SetDParam(0, STR_705E_NEW_TRANSPORT_COMPANY_LAUNCHED);
 		SetDParam(1, STR_705F_STARTS_CONSTRUCTION_NEAR);
 		SetDParam(2, p->index);
-		COPY_IN_DPARAM(3,ni->params, 2);
+		CopyInDParam(3,ni->params, 2);
 		return STR_02B6;
 	default:
 		NOT_REACHED();
diff --git a/src/engine_gui.cpp b/src/engine_gui.cpp
index 4421f1f5f..fa29fc0df 100644
--- a/src/engine_gui.cpp
+++ b/src/engine_gui.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "functions.h"
 #include "window.h"
diff --git a/src/graph_gui.cpp b/src/graph_gui.cpp
index 1e5d84580..6a50aae18 100644
--- a/src/graph_gui.cpp
+++ b/src/graph_gui.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "functions.h"
 #include "window.h"
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index f18000661..ab0a66b3a 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -9,6 +9,7 @@
 #include "industry_map.h"
 #include "station_map.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "map.h"
 #include "tile.h"
diff --git a/src/intro_gui.cpp b/src/intro_gui.cpp
index 6378d0252..21fc0dba7 100644
--- a/src/intro_gui.cpp
+++ b/src/intro_gui.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "functions.h"
 #include "window.h"
diff --git a/src/main_gui.cpp b/src/main_gui.cpp
index 8c06ccacd..92be8bf6d 100644
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -1917,7 +1917,7 @@ static bool DrawScrollingStatusText(const NewsItem *ni, int pos)
 	if (ni->display_mode == 3) {
 		str = _get_news_string_callback[ni->callback](ni);
 	} else {
-		COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+		CopyInDParam(0, ni->params, lengthof(ni->params));
 		str = ni->string_id;
 	}
 
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index f3b14639c..5d842a43a 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -13,6 +13,7 @@
 #include "strings.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/tree_land.h"
 #include "map.h"
 #include "window.h"
@@ -500,9 +501,9 @@ static void ErrmsgWndProc(Window *w, WindowEvent *e)
 {
 	switch (e->event) {
 	case WE_PAINT:
-		COPY_IN_DPARAM(0, _errmsg_decode_params, lengthof(_errmsg_decode_params));
+		CopyInDParam(0, _errmsg_decode_params, lengthof(_errmsg_decode_params));
 		DrawWindowWidgets(w);
-		COPY_IN_DPARAM(0, _errmsg_decode_params, lengthof(_errmsg_decode_params));
+		CopyInDParam(0, _errmsg_decode_params, lengthof(_errmsg_decode_params));
 		if (!IsWindowOfPrototype(w, _errmsg_face_widgets)) {
 			DrawStringMultiCenter(
 				120,
@@ -569,7 +570,7 @@ void ShowErrorMessage(StringID msg_1, StringID msg_2, int x, int y)
 
 	_errmsg_message_1 = msg_1;
 	_errmsg_message_2 = msg_2;
-	COPY_OUT_DPARAM(_errmsg_decode_params, 0, lengthof(_errmsg_decode_params));
+	CopyOutDParam(_errmsg_decode_params, 0, lengthof(_errmsg_decode_params));
 	_errmsg_duration = _patches.errmsg_duration;
 	if (!_errmsg_duration) return;
 
@@ -1235,9 +1236,9 @@ static void QueryWndProc(Window *w, WindowEvent *e)
 
 	switch (e->event) {
 		case WE_PAINT:
-			COPY_IN_DPARAM(0, q->params, lengthof(q->params));
+			CopyInDParam(0, q->params, lengthof(q->params));
 			DrawWindowWidgets(w);
-			COPY_IN_DPARAM(0, q->params, lengthof(q->params));
+			CopyInDParam(0, q->params, lengthof(q->params));
 
 			DrawStringMultiCenter(w->width / 2, (w->height / 2) - 10, q->message, w->width - 2);
 			break;
@@ -1315,7 +1316,7 @@ void ShowQuery(StringID caption, StringID message, Window *parent, void (*callba
 
 	/* Create a backup of the variadic arguments to strings because it will be
 	 * overridden pretty often. We will copy these back for drawing */
-	COPY_OUT_DPARAM(WP(w, query_d).params, 0, lengthof(WP(w, query_d).params));
+	CopyOutDParam(WP(w, query_d).params, 0, lengthof(WP(w, query_d).params));
 	w->widget[QUERY_WIDGET_CAPTION].data = caption;
 	WP(w, query_d).message    = message;
 	WP(w, query_d).proc       = callback;
diff --git a/src/music_gui.cpp b/src/music_gui.cpp
index ea05bbe69..9bce16090 100644
--- a/src/music_gui.cpp
+++ b/src/music_gui.cpp
@@ -6,6 +6,7 @@
 #include "openttd.h"
 #include "table/strings.h"
 #include "table/sprites.h"
+#include "strings.h"
 #include "functions.h"
 #include "fileio.h"
 #include "window.h"
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp
index 495181d76..7f7566963 100644
--- a/src/network/network_client.cpp
+++ b/src/network/network_client.cpp
@@ -5,6 +5,7 @@
 #include "../stdafx.h"
 #include "../debug.h"
 #include "../string.h"
+#include "../openttd.h"
 #include "../strings.h"
 #include "network_data.h"
 #include "core/tcp.h"
diff --git a/src/news_gui.cpp b/src/news_gui.cpp
index 58ba6d7cc..27ec0a1e7 100644
--- a/src/news_gui.cpp
+++ b/src/news_gui.cpp
@@ -124,7 +124,7 @@ static void NewsWindowProc(Window *w, WindowEvent *e)
 				DrawStringRightAligned(428, 1, STR_01FF, 0);
 
 				if (!(ni->flags & NF_VIEWPORT)) {
-					COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+					CopyInDParam(0, ni->params, lengthof(ni->params));
 					DrawStringMultiCenter(215, ni->display_mode == NM_NORMAL ? 76 : 56,
 						ni->string_id, w->width - 4);
 				} else {
@@ -141,7 +141,7 @@ static void NewsWindowProc(Window *w, WindowEvent *e)
 						(ni->flags & NF_INCOLOR ? PALETTE_TO_TRANSPARENT : PALETTE_TO_STRUCT_GREY) | (1 << USE_COLORTABLE)
 					);
 
-					COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+					CopyInDParam(0, ni->params, lengthof(ni->params));
 					DrawStringMultiCenter(w->width / 2, 20, ni->string_id, w->width - 4);
 				}
 				break;
@@ -155,11 +155,11 @@ static void NewsWindowProc(Window *w, WindowEvent *e)
 			default: {
 				DrawWindowWidgets(w);
 				if (!(ni->flags & NF_VIEWPORT)) {
-					COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+					CopyInDParam(0, ni->params, lengthof(ni->params));
 					DrawStringMultiCenter(140, 38, ni->string_id, 276);
 				} else {
 					DrawWindowViewport(w);
-					COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+					CopyInDParam(0, ni->params, lengthof(ni->params));
 					DrawStringMultiCenter(w->width / 2, w->height - 16, ni->string_id, w->width - 4);
 				}
 				break;
@@ -300,7 +300,7 @@ void AddNewsItem(StringID string, uint32 flags, uint data_a, uint data_b)
 		ni->data_a = data_a;
 		ni->data_b = data_b;
 		ni->date = _date;
-		COPY_OUT_DPARAM(ni->params, 0, lengthof(ni->params));
+		CopyOutDParam(ni->params, 0, lengthof(ni->params));
 
 		w = FindWindowById(WC_MESSAGE_HISTORY, 0);
 		if (w == NULL) return;
@@ -611,7 +611,7 @@ static void DrawNewsString(int x, int y, uint16 color, const NewsItem *ni, uint
 	if (ni->display_mode == 3) {
 		str = _get_news_string_callback[ni->callback](ni);
 	} else {
-		COPY_IN_DPARAM(0, ni->params, lengthof(ni->params));
+		CopyInDParam(0, ni->params, lengthof(ni->params));
 		str = ni->string_id;
 	}
 
diff --git a/src/openttd.cpp b/src/openttd.cpp
index bdec37c94..931651577 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -9,13 +9,13 @@
 #include "debug.h"
 #include "driver.h"
 #include "saveload.h"
-#include "strings.h"
 #include "map.h"
 #include "tile.h"
 #include "void_map.h"
 #include "helpers.hpp"
 
 #include "openttd.h"
+#include "strings.h"
 #include "bridge_map.h"
 #include "functions.h"
 #include "mixer.h"
diff --git a/src/order_gui.cpp b/src/order_gui.cpp
index ac08f9538..6da0298ec 100644
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -8,6 +8,7 @@
 #include "station_map.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "map.h"
 #include "tile.h"
diff --git a/src/player_gui.cpp b/src/player_gui.cpp
index b753034b8..ae9e60259 100644
--- a/src/player_gui.cpp
+++ b/src/player_gui.cpp
@@ -6,6 +6,7 @@
 #include "openttd.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "window.h"
 #include "gui.h"
diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp
index b595d5c50..705768705 100644
--- a/src/rail_gui.cpp
+++ b/src/rail_gui.cpp
@@ -6,6 +6,7 @@
 #include "openttd.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "landscape.h"
 #include "date.h"
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index c5e0622e8..36336c33c 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -12,6 +12,7 @@
 #include "sprite.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "window.h"
 #include "map.h"
diff --git a/src/road_gui.cpp b/src/road_gui.cpp
index 43c5e5b80..69c54dfeb 100644
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -6,6 +6,7 @@
 #include "openttd.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "map.h"
 #include "tile.h"
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index c7c38c04b..b09bc3ab2 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -11,6 +11,7 @@
 #include "roadveh.h"
 #include "station_map.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "map.h"
 #include "tile.h"
 #include "vehicle.h"
diff --git a/src/settings.cpp b/src/settings.cpp
index 83e5e4895..ec558e6f0 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -29,6 +29,7 @@
 #include "string.h"
 #include "variables.h"
 #include "network/network.h"
+#include "strings.h"
 #include "settings.h"
 #include "command.h"
 #include "console.h"
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index b71d00b02..94ac8c9f8 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -6,6 +6,7 @@
 #include "openttd.h"
 #include "ship.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "landscape.h"
 #include "map.h"
diff --git a/src/ship_gui.cpp b/src/ship_gui.cpp
index dcfb61d7d..ed9ca529d 100644
--- a/src/ship_gui.cpp
+++ b/src/ship_gui.cpp
@@ -8,6 +8,7 @@
 #include "functions.h"
 #include "ship.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "gui.h"
 #include "vehicle.h"
diff --git a/src/signs.cpp b/src/signs.cpp
index 355a20748..3d342ac89 100644
--- a/src/signs.cpp
+++ b/src/signs.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "landscape.h"
 #include "player.h"
diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index 585913c5b..12ebeeba0 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -10,6 +10,7 @@
 #include "industry_map.h"
 #include "station_map.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "table/sprites.h"
 #include "landscape.h"
 #include "map.h"
diff --git a/src/stdafx.h b/src/stdafx.h
index 57db80c57..7c34a7e4c 100644
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -349,4 +349,8 @@ CDECL error(const char *str, ...);
 #define _stricmp stricmp
 #endif /* !defined(MORHPOS) */
 
+#if !defined(MAX_PATH)
+# define MAX_PATH 260
+#endif
+
 #endif /* STDAFX_H */
diff --git a/src/strings.cpp b/src/strings.cpp
index c9495b89f..03ee082b8 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -38,6 +38,7 @@
 
 DynamicLanguages _dynlang;
 char _userstring[128];
+uint64 _decode_parameters[20];
 
 static char *StationGetSpecialString(char *buff, int x, const char* last);
 static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last);
diff --git a/src/strings.h b/src/strings.h
index 22ec9f39d..0f2665e99 100644
--- a/src/strings.h
+++ b/src/strings.h
@@ -5,13 +5,78 @@
 #ifndef STRINGS_H
 #define STRINGS_H
 
-char *InlineString(char *buf, uint16 string);
-char *GetString(char *buffr, uint16 string, const char* last);
+char *InlineString(char *buf, StringID string);
+char *GetString(char *buffr, StringID string, const char* last);
 
 extern char _userstring[128];
 
 void InjectDParam(int amount);
-int32 GetParamInt32();
+
+static inline void SetDParamX(uint64 *s, uint n, uint64 v)
+{
+	s[n] = v;
+}
+
+static inline void SetDParam(uint n, uint64 v)
+{
+	extern uint64 _decode_parameters[20];
+
+	assert(n < lengthof(_decode_parameters));
+	_decode_parameters[n] = v;
+}
+
+/* Used to bind a C string name to a dparam number.
+ * NOTE: This has a short lifetime. You can't
+ *       use this string much later or it will be gone. */
+void SetDParamStr(uint n, const char *str);
+
+/** This function takes a C-string and allocates a temporary string ID.
+ * The duration of the bound string is valid only until the next call to GetString,
+ * so be careful. */
+StringID BindCString(const char *str);
+
+static inline uint64 GetDParamX(const uint64 *s, uint n)
+{
+	return s[n];
+}
+
+static inline uint64 GetDParam(uint n)
+{
+	extern uint64 _decode_parameters[20];
+
+	assert(n < lengthof(_decode_parameters));
+	return _decode_parameters[n];
+}
+
+static inline void CopyInDParam(int offs, const uint64 *src, int num)
+{
+	extern uint64 _decode_parameters[20];
+	memcpy(_decode_parameters + offs, src, sizeof(uint64) * (num));
+}
+
+static inline void CopyOutDParam(uint64 *dst, int offs, int num)
+{
+	extern uint64 _decode_parameters[20];
+	memcpy(dst, _decode_parameters + offs, sizeof(uint64) * (num));
+}
+
+
+/** Information about a language */
+struct Language {
+	char *name; ///< The internal name of the language
+	char *file; ///< The name of the language as it appears on disk
+};
+
+/** Used for dynamic language support */
+struct DynamicLanguages {
+	int num;                         ///< Number of languages
+	int curr;                        ///< Currently selected language index
+	char curr_file[MAX_PATH];        ///< Currently selected language file name without path (needed for saving the filename of the loaded language).
+	StringID dropdown[MAX_LANG + 1]; ///< List of languages in the settings gui
+	Language ent[MAX_LANG];          ///< Information about the languages
+};
+
+extern DynamicLanguages _dynlang; // defined in strings.cpp
 
 bool ReadLanguagePack(int index);
 void InitializeLanguagePacks();
diff --git a/src/subsidy_gui.cpp b/src/subsidy_gui.cpp
index 5bd5178c2..8f1fe1e82 100644
--- a/src/subsidy_gui.cpp
+++ b/src/subsidy_gui.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "window.h"
 #include "station.h"
diff --git a/src/timetable_gui.cpp b/src/timetable_gui.cpp
index 27d615b98..a978e559c 100644
--- a/src/timetable_gui.cpp
+++ b/src/timetable_gui.cpp
@@ -7,6 +7,7 @@
 #include "functions.h"
 #include "variables.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "command.h"
 #include "date.h"
 #include "engine.h"
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index db1250b62..4f1d7f3c9 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -11,6 +11,7 @@
 #include "gui.h"
 #include "station_map.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "map.h"
 #include "tile.h"
 #include "tunnel_map.h"
diff --git a/src/train_gui.cpp b/src/train_gui.cpp
index 699feb4b1..f4236d84c 100644
--- a/src/train_gui.cpp
+++ b/src/train_gui.cpp
@@ -8,6 +8,7 @@
 #include "functions.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "window.h"
 #include "gui.h"
 #include "vehicle.h"
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp
index 8a49808bf..5a038caf9 100644
--- a/src/tunnelbridge_cmd.cpp
+++ b/src/tunnelbridge_cmd.cpp
@@ -12,6 +12,7 @@
 #include "road_map.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "map.h"
 #include "landscape.h"
diff --git a/src/variables.h b/src/variables.h
index 9a825354c..574291397 100644
--- a/src/variables.h
+++ b/src/variables.h
@@ -8,9 +8,6 @@
 #include "yapf/yapf_settings.h"
 
 /* ********* START OF SAVE REGION */
-#if !defined(MAX_PATH)
-# define MAX_PATH 260
-#endif
 
 #include "gfx.h"
 
@@ -292,8 +289,6 @@ VARDEF bool _news_ticker_sound;
 VARDEF StringID _error_message;
 VARDEF Money _additional_cash_required;
 
-VARDEF uint64 _decode_parameters[20];
-
 VARDEF bool _rightclick_emulate;
 
 /* IN/OUT parameters to commands */
@@ -320,23 +315,6 @@ VARDEF Vehicle *_place_clicked_vehicle;
 
 VARDEF char _ini_videodriver[32], _ini_musicdriver[32], _ini_sounddriver[32];
 
-/** Information about a language */
-struct Language {
-	char *name; ///< The internal name of the language
-	char *file; ///< The name of the language as it appears on disk
-};
-
-/** Used for dynamic language support */
-struct DynamicLanguages {
-	int num;                         ///< Number of languages
-	int curr;                        ///< Currently selected language index
-	char curr_file[MAX_PATH];        ///< Currently selected language file name without path (needed for saving the filename of the loaded language).
-	StringID dropdown[MAX_LANG + 1]; ///< List of languages in the settings gui
-	Language ent[MAX_LANG];          ///< Information about the languages
-};
-
-extern DynamicLanguages _dynlang; // defined in strings.cpp
-
 VARDEF int _num_resolutions;
 VARDEF uint16 _resolutions[32][2];
 VARDEF uint16 _cur_resolution[2];
@@ -348,43 +326,6 @@ VARDEF char *_highscore_file;
 VARDEF char *_log_file;
 
 
-static inline void SetDParamX(uint64 *s, uint n, uint64 v)
-{
-	s[n] = v;
-}
-
-static inline uint64 GetDParamX(const uint64 *s, uint n)
-{
-	return s[n];
-}
-
-static inline void SetDParam(uint n, uint64 v)
-{
-	assert(n < lengthof(_decode_parameters));
-	_decode_parameters[n] = v;
-}
-
-static inline uint64 GetDParam(uint n)
-{
-	assert(n < lengthof(_decode_parameters));
-	return _decode_parameters[n];
-}
-
-/* Used to bind a C string name to a dparam number.
- * NOTE: This has a short lifetime. You can't
- *       use this string much later or it will be gone. */
-void SetDParamStr(uint n, const char *str);
-
-/** This function takes a C-string and allocates a temporary string ID.
- * The duration of the bound string is valid only until the next acll to GetString,
- * so be careful. */
-StringID BindCString(const char *str);
-
-
-#define COPY_IN_DPARAM(offs, src, num) memcpy(_decode_parameters + offs, src, sizeof(uint64) * (num))
-#define COPY_OUT_DPARAM(dst, offs, num) memcpy(dst, _decode_parameters + offs, sizeof(uint64) * (num))
-
-
 #define SET_EXPENSES_TYPE(x) _yearly_expenses_type = x;
 
 /* landscape.cpp */
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
index 27001c8dc..e8d201c3a 100644
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -10,6 +10,7 @@
 #include "station_map.h"
 #include "table/sprites.h"
 #include "table/strings.h"
+#include "strings.h"
 #include "functions.h"
 #include "landscape.h"
 #include "map.h"