From d7bbebdf8526667b288223c8adc2d110204814c5 Mon Sep 17 00:00:00 2001
From: Emistry Haoyan <equinox1991@gmail.com>
Date: Tue, 2 Oct 2018 22:41:53 +0800
Subject: Implement status reduction script command.
- for stat reduction support.
- return the amount of status point required to increase a status.
---
doc/script_commands.txt | 16 ++++++++++++++++
npc/other/CashShop_Functions.txt | 27 +++++++++++++++++++++++++++
src/map/script.c | 20 ++++++++++++++++++++
3 files changed, 63 insertions(+)
diff --git a/doc/script_commands.txt b/doc/script_commands.txt
index 343eb02cb..953cc86f3 100644
--- a/doc/script_commands.txt
+++ b/doc/script_commands.txt
@@ -6034,6 +6034,22 @@ Amount can be negative. See statusup().
---------------------------------------
+*needed_status_point(<type>, <val>, {<char_id>});
+
+Returns the number of stat points needed to change the specified stat <type> by <val>.
+If <val> is negative, returns the number of stat points that would be needed to
+raise the specified stat from (current value - <val>) to current value.
+
+List of <type>:
+bStr - Strength
+bVit - Vitality
+bInt - Intelligence
+bAgi - Agility
+bDex - Dexterity
+bLuk - Luck
+
+---------------------------------------
+
*bonus(<bonus type>, <val1>)
*bonus2(<bonus type>, <val1>, <val2>)
*bonus3(<bonus type>, <val1>, <val2>, <val3>)
diff --git a/npc/other/CashShop_Functions.txt b/npc/other/CashShop_Functions.txt
index 92fe841e1..5b957f9f2 100644
--- a/npc/other/CashShop_Functions.txt
+++ b/npc/other/CashShop_Functions.txt
@@ -310,3 +310,30 @@ function script F_Snowball {
}
end;
}
+
+// Status reduction potion
+//============================================================
+// - Permanently reduces base stat <type> by <val>.
+// - Returns status points equals to points needed to raise
+// that stat to original value.
+// - Doesn't work if base status <type> would become lower than 1 after reduction.
+// * callfunc("F_CashReduceStat", <type>{, <val>, <itemid>});
+function script F_CashReduceStat {
+ .@type = getarg(0);
+ .@amount = getarg(1, -1);
+ .@itemid = getarg(2, 0);
+
+ if ((readparam(.@type) + .@amount) < 1) return;
+
+ if (.@itemid) {
+ if (countitem(.@itemid))
+ delitem .@itemid, 1;
+ else
+ return;
+ }
+
+ StatusPoint += needed_status_point(.@type, .@amount);
+ statusup2 .@type, .@amount;
+
+ return;
+}
\ No newline at end of file
diff --git a/src/map/script.c b/src/map/script.c
index b787d0138..b2f1120f1 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -9809,6 +9809,25 @@ static BUILDIN(statusup2)
return true;
}
+
+/*==========================================
+* Returns the number of stat points needed to change the specified stat by val.
+* needed_status_point(<type>,<val>{,<char id>}); [secretdataz]
+*------------------------------------------*/
+static BUILDIN(needed_status_point)
+{
+ int type = script_getnum(st, 2);
+ int val = script_getnum(st, 3);;
+ struct map_session_data *sd = script->rid2sd(st);
+
+ if (sd == NULL)
+ script_pushint(st, 0);
+ else
+ script_pushint(st, pc->need_status_point(sd, type, val));
+
+ return true;
+}
+
/// See 'doc/item_bonus.txt'
///
/// bonus <bonus type>,<val1>;
@@ -25048,6 +25067,7 @@ static void script_parse_builtin(void)
BUILDIN_DEF(downrefitem,"i?"),
BUILDIN_DEF(statusup,"i"),
BUILDIN_DEF(statusup2,"ii"),
+ BUILDIN_DEF(needed_status_point,"ii?"),
BUILDIN_DEF(bonus,"iv"),
BUILDIN_DEF2(bonus,"bonus2","ivi"),
BUILDIN_DEF2(bonus,"bonus3","ivii"),
--
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