Merge pull request #2375 from AnnieRuru/58-negative_input

Allow *input script command to support negative input

3 files changed, 41 insertions, 28 deletions

diff --git a/src/map/clif.c b/src/map/clif.c
index 721d2f5b5..b93274d3d 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -12843,10 +12843,19 @@ static void clif_parse_NpcAmountInput(int fd, struct map_session_data *sd)
 	int npcid = RFIFOL(fd,2);
 	int amount = RFIFOL(fd,6);
 
-	if (amount >= 0)
+	if (amount < sd->npc_amount_min) {
+		sd->npc_amount = sd->npc_amount_min;
+		sd->npc_input_capped_range = -1;
+	}
+	else if (amount > sd->npc_amount_max) {
+		sd->npc_amount = sd->npc_amount_max;
+		sd->npc_input_capped_range = 1;
+	}
+	else {
 		sd->npc_amount = amount;
-	else
-		sd->npc_amount = 0;
+		sd->npc_input_capped_range = 0;
+	}
+
 	npc->scriptcont(sd, npcid, false);
 }
 
diff --git a/src/map/pc.h b/src/map/pc.h
index 42c9d204e..7c89f7f32 100644
--- a/src/map/pc.h
+++ b/src/map/pc.h
@@ -274,6 +274,9 @@ struct map_session_data {
 	int npc_item_flag; //Marks the npc_id with which you can change equipments during interactions with said npc (see script command enable_itemuse)
 	int npc_menu; // internal variable, used in npc menu handling
 	int npc_amount;
+	int npc_amount_min;
+	int npc_amount_max;
+	int npc_input_capped_range;
 	struct script_state *st;
 	char npc_str[CHATBOX_SIZE]; // for passing npc input box text to script engine
 	int npc_timer_id; //For player attached npc timers. [Skotlex]
diff --git a/src/map/script.c b/src/map/script.c
index 8d001f3fe..5563737f5 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -6948,59 +6948,60 @@ static BUILDIN(jobname)
 	return true;
 }
 
-/// Get input from the player.
-/// For numeric inputs the value is capped to the range [min,max]. Returns 1 if
-/// the value was higher than 'max', -1 if lower than 'min' and 0 otherwise.
-/// For string inputs it returns 1 if the string was longer than 'max', -1 is
-/// shorter than 'min' and 0 otherwise.
-///
-/// input(<var>{,<min>{,<max>}}) -> <int>
+/*
+ * Get input from the player.
+ * For numeric inputs the value is capped to the range [min,max]. Returns 1 if
+ * the value was higher than 'max', -1 if lower than 'min' and 0 otherwise.
+ * For string inputs it returns 1 if the string was longer than 'max', -1 is
+ * shorter than 'min' and 0 otherwise.
+ *
+ * input(<var>{,<min>{,<max>}}) -> <int>
+ */
 static BUILDIN(input)
 {
-	struct script_data* data;
-	int64 uid;
-	const char* name;
-	int min;
-	int max;
 	struct map_session_data *sd = script->rid2sd(st);
 	if (sd == NULL)
 		return true;
 
-	data = script_getdata(st,2);
-	if( !data_isreference(data) ) {
+	struct script_data *data = script_getdata(st, 2);
+	if (!data_isreference(data)) {
 		ShowError("script:input: not a variable\n");
 		script->reportdata(data);
 		st->state = END;
 		return false;
 	}
-	uid = reference_getuid(data);
-	name = reference_getname(data);
-	min = (script_hasdata(st,3) ? script_getnum(st,3) : script->config.input_min_value);
-	max = (script_hasdata(st,4) ? script_getnum(st,4) : script->config.input_max_value);
+
+	int64 uid  = reference_getuid(data);
+	const char *name = reference_getname(data);
+	int min = (script_hasdata(st, 3) ? script_getnum(st, 3) : script->config.input_min_value);
+	int max = (script_hasdata(st, 4) ? script_getnum(st, 4) : script->config.input_max_value);
 
 #ifdef SECURE_NPCTIMEOUT
 	sd->npc_idle_type = NPCT_WAIT;
 #endif
 
-	if( !sd->state.menu_or_input ) {
+	if (!sd->state.menu_or_input) {
 		// first invocation, display npc input box
 		sd->state.menu_or_input = 1;
 		st->state = RERUNLINE;
-		if( is_string_variable(name) )
-			clif->scriptinputstr(sd,st->oid);
-		else
-			clif->scriptinput(sd,st->oid);
+		if (is_string_variable(name)) {
+			clif->scriptinputstr(sd, st->oid);
+		} else {
+			sd->npc_amount_min = min;
+			sd->npc_amount_max = max;
+			clif->scriptinput(sd, st->oid);
+		}
 	} else {
 		// take received text/value and store it in the designated variable
 		sd->state.menu_or_input = 0;
 		if (is_string_variable(name)) {
 			int len = (int)strlen(sd->npc_str);
-			script->set_reg(st, sd, uid, name, sd->npc_str, script_getref(st,2));
+			script->set_reg(st, sd, uid, name, sd->npc_str, script_getref(st, 2));
 			script_pushint(st, (len > max ? 1 : len < min ? -1 : 0));
 		} else {
 			int amount = sd->npc_amount;
 			script->set_reg(st, sd, uid, name, (const void *)h64BPTRSIZE(cap_value(amount,min,max)), script_getref(st,2));
-			script_pushint(st, (amount > max ? 1 : amount < min ? -1 : 0));
+			script_pushint(st, sd->npc_input_capped_range);
 		}
 		st->state = RUN;
 	}