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-rw-r--r--src/common/utils.c22
-rw-r--r--src/map/clif.c4
-rw-r--r--src/map/mercenary.c3
-rw-r--r--src/map/mob.c12
-rw-r--r--src/map/pc.c2
-rw-r--r--src/map/pet.c10
-rw-r--r--src/map/skill.c2
7 files changed, 32 insertions, 23 deletions
diff --git a/src/common/utils.c b/src/common/utils.c
index a9ce1389f..1e77f461a 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -11,6 +11,7 @@
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
+#include <math.h> // floor()
#ifdef WIN32
#include <windows.h>
@@ -224,16 +225,23 @@ uint32 MakeDWord(uint16 word0, uint16 word1)
/// calculates the value of A / B, in percent (rounded down)
-unsigned int percent(const unsigned int A, const unsigned int B)
+unsigned int get_percentage(const unsigned int A, const unsigned int B)
{
+ double result;
+
if( B == 0 )
{
- ShowError("percent(): divison by zero!\n");
+ ShowError("get_percentage(): divison by zero! (A=%u,B=%u)\n", A, B);
return -1;
}
- if( A < UINT_MAX/100 )
- return 100*A/B;
- else
- return A/(B/100);
-} \ No newline at end of file
+ result = 100 * ((double)A / (double)B);
+
+ if( result > UINT_MAX )
+ {
+ ShowError("get_percentage(): result percentage too high! (A=%u,B=%u,result=%g)", A, B, result);
+ return UINT_MAX;
+ }
+
+ return (unsigned int)floor(result);
+}
diff --git a/src/map/clif.c b/src/map/clif.c
index 6d902f14d..9e197a945 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -7131,7 +7131,7 @@ int clif_charnameack (int fd, struct block_list *bl)
if (battle_config.show_mob_info&1)
str_p += sprintf(str_p, "HP: %u/%u | ", md->status.hp, md->status.max_hp);
if (battle_config.show_mob_info&2)
- str_p += sprintf(str_p, "HP: %d%% | ", percent(md->status.hp, md->status.max_hp));
+ str_p += sprintf(str_p, "HP: %d%% | ", get_percentage(md->status.hp, md->status.max_hp));
//Even thought mobhp ain't a name, we send it as one so the client
//can parse it. [Skotlex]
if (str_p != mobhp) {
@@ -8184,7 +8184,7 @@ void clif_parse_GlobalMessage(int fd, struct map_session_data* sd)
{
unsigned int next = pc_nextbaseexp(sd);
if( next == 0 ) next = pc_thisbaseexp(sd);
- if( percent(sd->status.base_exp, next)% 10 == 0 ) // 0%, 10%, 20%, ...
+ if( get_percentage(sd->status.base_exp, next)% 10 == 0 ) // 0%, 10%, 20%, ...
{
switch (sd->state.snovice_call_flag) {
case 0:
diff --git a/src/map/mercenary.c b/src/map/mercenary.c
index 0d5fb328d..05dcfa4c7 100644
--- a/src/map/mercenary.c
+++ b/src/map/mercenary.c
@@ -8,6 +8,7 @@
#include "../common/nullpo.h"
#include "../common/mmo.h"
#include "../common/showmsg.h"
+#include "../common/utils.h"
#include "log.h"
#include "clif.h"
@@ -95,7 +96,7 @@ int merc_hom_vaporize(struct map_session_data *sd, int flag)
if (status_isdead(&hd->bl))
return 0; //Can't vaporize a dead homun.
- if (flag && percent(hd->battle_status.hp, hd->battle_status.max_hp) < 80)
+ if (flag && get_percentage(hd->battle_status.hp, hd->battle_status.max_hp) < 80)
return 0;
hd->regen.state.block = 3; //Block regen while vaporized.
diff --git a/src/map/mob.c b/src/map/mob.c
index 7278ea043..69db21af3 100644
--- a/src/map/mob.c
+++ b/src/map/mob.c
@@ -2688,7 +2688,7 @@ int mob_class_change (struct mob_data *md, int class_)
if (md->class_ == class_)
return 0; //Nothing to change.
- hp_rate = percent(md->status.hp, md->status.max_hp);
+ hp_rate = get_percentage(md->status.hp, md->status.max_hp);
md->class_ = class_;
md->db = mob_db(class_);
if (battle_config.override_mob_names==1)
@@ -2823,7 +2823,7 @@ int mob_summonslave(struct mob_data *md2,int *value,int amount,int skill_id)
if (!battle_config.monster_class_change_recover &&
(skill_id == NPC_TRANSFORMATION || skill_id == NPC_METAMORPHOSIS))
- hp_rate = percent(md2->status.hp, md2->status.max_hp);
+ hp_rate = get_percentage(md2->status.hp, md2->status.max_hp);
for(;k<amount;k++) {
short x,y;
@@ -2927,7 +2927,7 @@ int mob_getfriendhprate_sub(struct block_list *bl,va_list ap)
if (battle_check_target(&md->bl,bl,BCT_ENEMY)>0)
return 0;
- rate = percent(status_get_hp(bl), status_get_max_hp(bl));
+ rate = get_percentage(status_get_hp(bl), status_get_max_hp(bl));
if (rate >= min_rate && rate <= max_rate)
(*fr) = bl;
@@ -2954,7 +2954,7 @@ struct block_list *mob_getmasterhpltmaxrate(struct mob_data *md,int rate)
if( md && md->master_id > 0 )
{
struct block_list *bl = map_id2bl(md->master_id);
- if( bl && percent(status_get_hp(bl), status_get_max_hp(bl)) < rate )
+ if( bl && get_percentage(status_get_hp(bl), status_get_max_hp(bl)) < rate )
return bl;
}
@@ -3060,11 +3060,11 @@ int mobskill_use(struct mob_data *md, unsigned int tick, int event)
case MSC_ALWAYS:
flag = 1; break;
case MSC_MYHPLTMAXRATE: // HP< maxhp%
- flag = percent(md->status.hp, md->status.max_hp);
+ flag = get_percentage(md->status.hp, md->status.max_hp);
flag = (flag <= c2);
break;
case MSC_MYHPINRATE:
- flag = percent(md->status.hp, md->status.max_hp);
+ flag = get_percentage(md->status.hp, md->status.max_hp);
flag = (flag >= c2 && flag <= ms[i].val[0]);
break;
case MSC_MYSTATUSON: // status[num] on
diff --git a/src/map/pc.c b/src/map/pc.c
index a5cea128d..04b1ea0ef 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -5084,7 +5084,7 @@ int pc_dead(struct map_session_data *sd,struct block_list *src)
{
unsigned int next = pc_nextbaseexp(sd);
if( next == 0 ) next = pc_thisbaseexp(sd);
- if( percent(sd->status.base_exp,next) >= 99 && !map_flag_gvg(sd->bl.m) )
+ if( get_percentage(sd->status.base_exp,next) >= 99 && !map_flag_gvg(sd->bl.m) )
sd->state.snovice_dead_flag = 1;
}
diff --git a/src/map/pet.c b/src/map/pet.c
index d06155b54..b8a61e093 100644
--- a/src/map/pet.c
+++ b/src/map/pet.c
@@ -554,7 +554,7 @@ int pet_catch_process2(struct map_session_data* sd, int target_id)
return 1;
}
- pet_catch_rate = (pet_db[i].capture + (sd->status.base_level - md->level)*30 + sd->battle_status.luk*20)*(200 - percent(md->status.hp, md->status.max_hp))/100;
+ pet_catch_rate = (pet_db[i].capture + (sd->status.base_level - md->level)*30 + sd->battle_status.luk*20)*(200 - get_percentage(md->status.hp, md->status.max_hp))/100;
if(pet_catch_rate < 1) pet_catch_rate = 1;
if(battle_config.pet_catch_rate != 100)
@@ -1162,8 +1162,8 @@ int pet_heal_timer(int tid, unsigned int tick, int id, intptr data)
status = status_get_status_data(&sd->bl);
if(pc_isdead(sd) ||
- (rate = percent(status->sp, status->max_sp)) > pd->s_skill->sp ||
- (rate = percent(status->hp, status->max_hp)) > pd->s_skill->hp ||
+ (rate = get_percentage(status->sp, status->max_sp)) > pd->s_skill->sp ||
+ (rate = get_percentage(status->hp, status->max_hp)) > pd->s_skill->hp ||
(rate = (pd->ud.skilltimer != -1)) //Another skill is in effect
) { //Wait (how long? 1 sec for every 10% of remaining)
pd->s_skill->timer=add_timer(gettick()+(rate>10?rate:10)*100,pet_heal_timer,sd->bl.id,0);
@@ -1205,8 +1205,8 @@ int pet_skill_support_timer(int tid, unsigned int tick, int id, intptr data)
}
if(pc_isdead(sd) ||
- (rate = percent(status->sp, status->max_sp)) > pd->s_skill->sp ||
- (rate = percent(status->hp, status->max_hp)) > pd->s_skill->hp ||
+ (rate = get_percentage(status->sp, status->max_sp)) > pd->s_skill->sp ||
+ (rate = get_percentage(status->hp, status->max_hp)) > pd->s_skill->hp ||
(rate = (pd->ud.skilltimer != -1)) //Another skill is in effect
) { //Wait (how long? 1 sec for every 10% of remaining)
pd->s_skill->timer=add_timer(tick+(rate>10?rate:10)*100,pet_skill_support_timer,sd->bl.id,0);
diff --git a/src/map/skill.c b/src/map/skill.c
index f8f50e3aa..7222f618e 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -7582,7 +7582,7 @@ int skill_check_condition(struct map_session_data* sd, short skill, short lv, in
itemid[i] = skill_db[j].itemid[i];
amount[i] = skill_db[j].amount[i];
}
- if(mhp > 0 && percent(status->hp, status->max_hp) > mhp) {
+ if(mhp > 0 && get_percentage(status->hp, status->max_hp) > mhp) {
//mhp is the max-hp-requirement, that is,
//you must have this % or less of HP to cast it.
clif_skill_fail(sd,skill,2,0);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-05 19:47:20 +0000