From 7580593b6c5d8bcb63befb0027609255ab255ef6 Mon Sep 17 00:00:00 2001
From: gumi <mekolat@users.noreply.github.com>
Date: Wed, 29 Mar 2017 14:52:49 -0400
Subject: add getunits() buildin

---
 src/map/script.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)

(limited to 'src')

diff --git a/src/map/script.c b/src/map/script.c
index ce740e81b..48596ea22 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -10955,6 +10955,91 @@ BUILDIN(gettimer)
 	return true;
 }
 
+int buildin_getunits_sub(struct block_list *bl, va_list ap)
+{
+	struct script_state *st = va_arg(ap, struct script_state *);
+	struct map_session_data *sd = va_arg(ap, struct map_session_data *);
+	int32 id = va_arg(ap, int32);
+	uint32 start = va_arg(ap, uint32);
+	uint32 *count = va_arg(ap, uint32 *);
+	uint32 limit = va_arg(ap, uint32);
+	const char *name = va_arg(ap, const char *);
+	struct reg_db *ref = va_arg(ap, struct reg_db *);
+	uint32 index = start + *count;
+
+	if (index >= SCRIPT_MAX_ARRAYSIZE || *count > limit) {
+		return 1;
+	}
+
+	script->set_reg(st, sd, reference_uid(id, index), name,
+		(const void *)h64BPTRSIZE(bl->id), ref);
+
+	(*count)++;
+	return 0;
+}
+
+BUILDIN(getunits)
+{
+	const char *mapname, *name;
+	int16 m, x1, y1, x2, y2;
+	int32 id;
+	uint32 start;
+	struct reg_db *ref;
+	enum bl_type type = script_getnum(st, 2);
+	struct script_data *data = script_getdata(st, 3);
+	uint32 count = 0, limit = script_getnum(st, 4);
+	struct map_session_data *sd = NULL;
+
+	if (!data_isreference(data) || reference_toconstant(data)) {
+		ShowError("script:getunits: second argument must be a variable\n");
+		script->reportdata(data);
+		st->state = END;
+		return false;
+	}
+
+	id = reference_getid(data);
+	start = reference_getindex(data);
+	name = reference_getname(data);
+	ref = reference_getref(data);
+
+	if (not_server_variable(*name)) {
+		sd = script->rid2sd(st);
+		if (sd == NULL) {
+			return true; // player variable but no player attached
+		}
+	}
+
+	if (is_string_variable(name)) {
+		ShowError("script:getunits: second argument must be an integer variable\n");
+		script->reportdata(data);
+		st->state = END;
+		return false;
+	}
+
+	if (limit < 1 || limit > SCRIPT_MAX_ARRAYSIZE) {
+		limit = SCRIPT_MAX_ARRAYSIZE;
+	}
+
+	mapname = script_getstr(st, 5);
+	m = map->mapname2mapid(mapname);
+
+	if (script_hasdata(st, 9)) {
+		x1 = script_getnum(st, 6);
+		y1 = script_getnum(st, 7);
+		x2 = script_getnum(st, 8);
+		y2 = script_getnum(st, 9);
+
+		map->foreachinarea(buildin_getunits_sub, m, x1, y1, x2, y2, type,
+			st, sd, id, start, &count, limit, name, ref);
+	} else {
+		map->foreachinmap(buildin_getunits_sub, m, type,
+			st, sd, id, start, &count, limit, name, ref);
+	}
+
+	script_pushint(st, count);
+	return true;
+}
+
 /*==========================================
  *------------------------------------------*/
 BUILDIN(initnpctimer)
@@ -21210,6 +21295,7 @@ void script_parse_builtin(void) {
 		BUILDIN_DEF(deltimer,"s?"),
 		BUILDIN_DEF(addtimercount,"si?"),
 		BUILDIN_DEF(gettimer,"i??"),
+		BUILDIN_DEF(getunits,"iris????"),
 		BUILDIN_DEF(initnpctimer,"??"),
 		BUILDIN_DEF(stopnpctimer,"??"),
 		BUILDIN_DEF(startnpctimer,"??"),
@@ -21761,6 +21847,20 @@ void script_hardcoded_constants(void)
 	script->set_constant("NAV_KAFRA_AND_SCROLL", NAV_KAFRA_AND_SCROLL, false, false);
 	script->set_constant("NAV_ALL", NAV_ALL, false, false);
 
+	script->constdb_comment("BL types");
+	script->set_constant("BL_PC",BL_PC,false, false);
+	script->set_constant("BL_MOB",BL_MOB,false, false);
+	script->set_constant("BL_PET",BL_PET,false, false);
+	script->set_constant("BL_HOM",BL_HOM,false, false);
+	script->set_constant("BL_MER",BL_MER,false, false);
+	script->set_constant("BL_ITEM",BL_ITEM,false, false);
+	script->set_constant("BL_SKILL",BL_SKILL,false, false);
+	script->set_constant("BL_NPC",BL_NPC,false, false);
+	script->set_constant("BL_CHAT",BL_CHAT,false, false);
+	script->set_constant("BL_ELEM",BL_ELEM,false, false);
+	script->set_constant("BL_CHAR",BL_CHAR,false, false);
+	script->set_constant("BL_ALL",BL_ALL,false, false);
+
 	script->constdb_comment("Renewal");
 #ifdef RENEWAL
 	script->set_constant("RENEWAL", 1, false, false);
-- 
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