Add: NewGRF string code "9A 21" to display force from textstack. (#10782)

(cherry picked from commit 61516627ad)

src/newgrf_text.cpp

@@ -449,6 +449,8 @@ std::string TranslateTTDPatchCodes(uint32 grfid, uint8 language_id, bool allow_n
 					case 0x1F: Utf8Encode(d, SCC_PUSH_COLOUR); break;
 					case 0x20: Utf8Encode(d, SCC_POP_COLOUR);  break;
 
+					case 0x21: Utf8Encode(d, SCC_NEWGRF_PRINT_DWORD_FORCE); break;
+
 					default:
 						grfmsg(1, "missing handler for extended format code");
 						break;
@@ -970,6 +972,7 @@ uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const
 		case SCC_NEWGRF_PRINT_WORD_WEIGHT_LONG:
 		case SCC_NEWGRF_PRINT_WORD_WEIGHT_SHORT:
 		case SCC_NEWGRF_PRINT_WORD_POWER:
+		case SCC_NEWGRF_PRINT_DWORD_FORCE:
 		case SCC_NEWGRF_PRINT_WORD_STATION_NAME:
 		case SCC_NEWGRF_PRINT_WORD_CARGO_NAME:
 			if (argv_size < 1) {
@@ -1015,6 +1018,7 @@ uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const
 			case SCC_NEWGRF_PRINT_WORD_STATION_NAME:
 			case SCC_NEWGRF_PRINT_WORD_UNSIGNED:    *argv = _newgrf_textrefstack.PopUnsignedWord();  break;
 
+			case SCC_NEWGRF_PRINT_DWORD_FORCE:
 			case SCC_NEWGRF_PRINT_DWORD_DATE_LONG:
 			case SCC_NEWGRF_PRINT_DWORD_DATE_SHORT:
 			case SCC_NEWGRF_PRINT_DWORD_HEX:        *argv = _newgrf_textrefstack.PopUnsignedDWord(); break;
@@ -1106,6 +1110,9 @@ uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const
 		case SCC_NEWGRF_PRINT_WORD_POWER:
 			return SCC_POWER;
 
+		case SCC_NEWGRF_PRINT_DWORD_FORCE:
+			return SCC_FORCE;
+
 		case SCC_NEWGRF_PRINT_WORD_CARGO_LONG:
 			return SCC_CARGO_LONG;
 

src/table/control_codes.h

@@ -166,6 +166,7 @@ enum StringControlCode {
 	SCC_NEWGRF_PRINT_WORD_CARGO_SHORT,                ///< 9A 1C: Read 2 + 2 bytes from the stack as cargo type (translated) and unsigned cargo amount
 	SCC_NEWGRF_PRINT_WORD_CARGO_TINY,                 ///< 9A 1D: Read 2 + 2 bytes from the stack as cargo type (translated) and unsigned cargo amount
 	SCC_NEWGRF_PRINT_WORD_CARGO_NAME,                 ///< 9A 1E: Read 2 bytes from the stack as cargo name
+	SCC_NEWGRF_PRINT_DWORD_FORCE,                     ///< 9A 21: Read 4 bytes from the stack as unsigned force
 	SCC_NEWGRF_PUSH_WORD,                             ///< 9A 03: Pushes 2 bytes onto the stack
 	SCC_NEWGRF_UNPRINT,                               ///< 9A 04: "Unprints" the given number of bytes from the string
 	SCC_NEWGRF_DISCARD_WORD,                          ///< 85: Discard the next two bytes