Add a Swap Buffer node, giving you an infinite number of string variables

- Also fix the string buffer so that it actually works.
- Also add a node to change the text of a sign

rsrc/strings/specials-opcodes.txt

@@ -43,8 +43,8 @@ append-ter
 pause
 start-talk
 quest
-
+swap-buf
-
+sign-buf
 
 
 once-give-item

rsrc/strings/specials-text-general.txt

@@ -734,6 +734,38 @@ Unused
 Unused
 Special to Jump To
 --------------------
+Swap String Buffer
+Unused
+Unused
+First part of message
+Second part of message
+Unused
+Unused
+Unused
+Which string buffer?
+Unused
+Unused
+Unused
+Unused
+Unused
+Special to Jump To
+--------------------
+Alter Sign Text
+Unused
+Unused
+First part of message
+Second part of message
+Unused
+Unused
+Unused
+Which sign?
+Unused
+Unused
+Unused
+Unused
+Unused
+Special to Jump To
+--------------------
 Special Name
 sdf1
 sdf2

src/boe.specials.cpp

@@ -2410,6 +2410,19 @@ void general_spec(eSpecCtx which_mode,cSpecial cur_node,short cur_spec_type,
 		case eSpecType::APPEND_TER:
 			univ.get_buf() += univ.scenario.ter_types[spec.ex1a].name;
 			break;
+		case eSpecType::SWAP_STR_BUF:
+			univ.swap_buf(spec.ex1a);
+			break;
+		case eSpecType::STR_BUF_TO_SIGN:
+			if(spec.ex1a < 0) break;
+			if(is_out()) {
+				if(spec.ex1a >= univ.out->sign_locs.size()) break;
+				std::swap(univ.out->sign_locs[spec.ex1a].text, univ.get_buf());
+			} else {
+				if(spec.ex1a >= univ.town->sign_locs.size()) break;
+				std::swap(univ.town->sign_locs[spec.ex1a].text, univ.get_buf());
+			}
+			break;
 		case eSpecType::PAUSE:
 			if(spec.ex1a < 0) break;
 			redraw_screen(REFRESH_TERRAIN | REFRESH_STATS);

src/classes/simpletypes.hpp

@@ -614,6 +614,8 @@ enum class eSpecType {
 	PAUSE = 43,
 	START_TALK = 44,
 	UPDATE_QUEST = 45,
+	SWAP_STR_BUF = 46,
+	STR_BUF_TO_SIGN = 47,
 	ONCE_GIVE_ITEM = 50,
 	ONCE_GIVE_SPEC_ITEM = 51,
 	ONCE_NULL = 52,
@@ -744,7 +746,7 @@ enum class eSpecCat {
 
 inline eSpecCat getNodeCategory(eSpecType node) {
 	int code = (int) node;
-	if(code >= 0 && code <= 45)
+	if(code >= 0 && code <= 47)
 		return eSpecCat::GENERAL;
 	if(code >= 50 && code <= 63)
 		return eSpecCat::ONCE;

src/classes/special.cpp

@@ -387,17 +387,17 @@ void cSpecial::append(legacy::special_node_type& old){
 // (terrain, monster, dialog, talk, item, pc, field, boom, missile, status)
 static const char*const button_dict[7][11] = {
 	{ // general nodes
-		" mmmMmmmmmMmmm mmmmmm   Mmm  $ mmmmmm        m", // msg1
+		" mmmMmmmmmMmmm mmmmmm   Mmm  $ mmmmmm        mmm", // msg1
-		"                                              ", // msg2
+		"                                                ", // msg2
-		"                                              ", // msg3
+		"                                                ", // msg3
-		"          p                                 3 ", // pic
+		"          p                                 3   ", // pic
-		"          ?                                   ", // pictype
+		"          ?                                     ", // pictype
-		"    &         x  T i                  M cit  j", // ex1a
+		"    &         x  T i                  M cit  j  ", // ex1a
-		"    %        S     ss                       cJ", // ex1b
+		"    %        S     ss                       cJ  ", // ex1b
-		"                                              ", // ex1c
+		"                                                ", // ex1c
-		"                                  tt          ", // ex2a
+		"                                  tt            ", // ex2a
-		"                                   t          ", // ex2b
+		"                                   t            ", // ex2b
-		"                                              ", // ex2c
+		"                                                ", // ex2c
 	}, { // one-shot nodes
 		"mm  md  d  mmm", // msg1
 		"              ", // msg2

src/classes/universe.hpp

@@ -158,6 +158,7 @@ class cUniverse{
 	void check_monst(cMonster& monst);
 	void check_item(cItem& item);
 	std::string strbuf;
+	std::map<int,std::string> extrabufs;
 public:
 	void exportSummons();
 	void exportGraphics();
@@ -165,7 +166,9 @@ public:
 	iLiving& get_target(size_t which);
 	iLiving* target_there(location pos, eTargetType type = TARG_ANY);
 	size_t get_target_i(iLiving& who);
-	std::string get_buf() {return strbuf;}
+	
+	std::string& get_buf() {return strbuf;}
+	void swap_buf(int newbuf) {std::swap(strbuf, extrabufs[newbuf]);}
 				
 	cScenario scenario;
 	cParty party;