From 45d4a85fe4b9e6804a454daab19bd41638aec874 Mon Sep 17 00:00:00 2001
From: Fedja Beader <fedja@protonmail.ch>
Date: Fri, 12 Apr 2024 01:13:10 +0200
Subject: Add battle_config.max_rate limit (500). GMs cannot go above this

Blame Ledmitz (:
---
 src/map/atcommand.cpp | 63 ++++++++++++++++++++++++++++-----------------------
 tools/config.py       |  1 +
 2 files changed, 36 insertions(+), 28 deletions(-)

diff --git a/src/map/atcommand.cpp b/src/map/atcommand.cpp
index 20743dd..311ca76 100644
--- a/src/map/atcommand.cpp
+++ b/src/map/atcommand.cpp
@@ -1667,20 +1667,38 @@ ATCE atcommand_pvpoff(Session *s, dumb_ptr<map_session_data> sd,
     return ATCE::OKAY;
 }
 
+
+
+static int extract_rate(Session *s, ZString message)
+{
+    int rate;
+    AString output;
+
+    if (!extract(message, &rate))
+    {
+        clif_displaymessage(s, "Please enter the new rate"_s);
+        return -1;
+    }
+    if (rate <= 0 || rate > battle_config.max_rate)
+    {
+        output = STRPRINTF("Rate adjustment must be between 1 and %d%%"_fmt,
+                           battle_config.max_rate);
+        clif_displaymessage(s, output);
+        return -1;
+    }
+    return rate;
+}
+
 // Command not removed during bexprate/jexprate split
 // because serverdata calls it.
 static
 ATCE atcommand_exprate(Session *s, dumb_ptr<map_session_data>,
         ZString message)
 {
-    int rate;
-
-    if (!extract(message, &rate) || !rate)
-    {
-        clif_displaymessage(s,
-                "Please, enter a rate adjustement (usage: @exprate <percent>)."_s);
+    int rate = extract_rate(s, message);
+    if (rate < 0)
         return ATCE::USAGE;
-    }
+
     battle_config.base_exp_rate = rate;
     battle_config.job_exp_rate = rate;
     AString output = STRPRINTF("Base & job XP rates now at %d percent"_fmt, rate);
@@ -1692,14 +1710,10 @@ static
 ATCE atcommand_bexprate(Session *s, dumb_ptr<map_session_data>,
         ZString message)
 {
-    int rate;
-
-    if (!extract(message, &rate) || !rate)
-    {
-        clif_displaymessage(s,
-                "Please, enter a rate adjustement (usage: @bexprate <percent>)."_s);
+    int rate = extract_rate(s, message);
+    if (rate < 0)
         return ATCE::USAGE;
-    }
+
     battle_config.base_exp_rate = rate;
     AString output = STRPRINTF("Base XP rate now at %d percent"_fmt, rate);
     clif_displaymessage(s, output);
@@ -1710,14 +1724,10 @@ static
 ATCE atcommand_jexprate(Session *s, dumb_ptr<map_session_data>,
         ZString message)
 {
-    int rate;
-
-    if (!extract(message, &rate) || !rate)
-    {
-        clif_displaymessage(s,
-                "Please, enter a rate adjustement (usage: @jexprate <percent>)."_s);
+    int rate = extract_rate(s, message);
+    if (rate < 0)
         return ATCE::USAGE;
-    }
+
     battle_config.job_exp_rate = rate;
     AString output = STRPRINTF("Job XP rate now at %d percent"_fmt, rate);
     clif_displaymessage(s, output);
@@ -1728,14 +1738,10 @@ static
 ATCE atcommand_droprate(Session *s, dumb_ptr<map_session_data>,
         ZString message)
 {
-    int rate;
-
-    if (!extract(message, &rate) || !rate)
-    {
-        clif_displaymessage(s,
-                "Please, enter a rate adjustement (usage: @droprate <percent>)."_s);
+    int rate = extract_rate(s, message);
+    if (rate < 0)
         return ATCE::USAGE;
-    }
+
     battle_config.drop_rate = rate;
     AString output = STRPRINTF("Drops rate now at %d percent"_fmt, rate);
     clif_displaymessage(s, output);
@@ -1754,6 +1760,7 @@ ATCE atcommand_rates(Session *s, dumb_ptr<map_session_data>,
     return ATCE::OKAY;
 }
 
+
 static
 ATCE atcommand_pvpon(Session *s, dumb_ptr<map_session_data> sd,
         ZString)
diff --git a/tools/config.py b/tools/config.py
index 49339bd..2f0781d 100755
--- a/tools/config.py
+++ b/tools/config.py
@@ -602,6 +602,7 @@ def build_config():
     battle_conf.opt('base_exp_rate', percent, '100')
     battle_conf.opt('job_exp_rate', percent, '100')
     battle_conf.opt('drop_rate', percent, '100')
+    battle_conf.opt('max_rate', percent, '500')
     battle_conf.opt('death_penalty_type', i32, '0', min='0', max='2')
     battle_conf.opt('death_penalty_base', per10kd, '0')
     battle_conf.opt('death_penalty_job', per10kd, '0')
-- 
cgit v1.2.3-60-g2f50