Replaced several 'int' variables with enums that they represent.

Expanded weapon_type enum with dual-wield constants (bugreport:384).

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@11704 54d463be-8e91-2dee-dedb-b68131a5f0ec

8 files changed, 56 insertions, 46 deletions

diff --git a/src/common/mmo.h b/src/common/mmo.h
index d971e96e6..aa928fb9b 100644
--- a/src/common/mmo.h
+++ b/src/common/mmo.h
@@ -111,14 +111,14 @@ struct item {
 	int id;
 	short nameid;
 	short amount;
-	unsigned short equip;
+	unsigned short equip; // location(s) where item is equipped (using enum equip_pos for bitmasking)
 	char identify;
 	char refine;
 	char attribute;
 	short card[MAX_SLOTS];
 };
 
-struct point{
+struct point {
 	unsigned short map;
 	short x,y;
 };
@@ -217,7 +217,8 @@ struct mmo_charstatus {
 	int party_id,guild_id,pet_id,hom_id;
 	int fame;
 
-	short weapon,shield;
+	enum weapon_type weapon;
+	short shield; // view-id
 	short head_top,head_mid,head_bottom;
 
 	char name[NAME_LENGTH];
diff --git a/src/map/guild.c b/src/map/guild.c
index e111a91c3..4bf006e5b 100644
--- a/src/map/guild.c
+++ b/src/map/guild.c
@@ -553,6 +553,8 @@ int guild_recv_info(struct guild *sg)
 		guild_check_member(sg);
 		if ((sd = map_nick2sd(sg->master)) != NULL)
 		{
+			//If the guild master is online the first time the guild_info is received,
+			//that means he was the first to join, so apply guild skill blocking here.
 			if( battle_config.guild_skill_relog_delay )
 				guild_block_skill(sd, 300000);
 
diff --git a/src/map/pc.c b/src/map/pc.c
index 0163c21e7..f07165776 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -439,25 +439,26 @@ int pc_calcweapontype(struct map_session_data *sd)
 {
 	nullpo_retr(0, sd);
 
+	// single-hand
 	if(sd->weapontype1 != W_FIST && sd->weapontype2 == W_FIST)
 		sd->status.weapon = sd->weapontype1;
-	else if(sd->weapontype1 == W_FIST && sd->weapontype2 != W_FIST)// 左手武器 Only
+	else if(sd->weapontype1 == W_FIST && sd->weapontype2 != W_FIST)
 		sd->status.weapon = sd->weapontype2;
-	else if(sd->weapontype1 == W_DAGGER && sd->weapontype2 == W_DAGGER)// ?短?
-		sd->status.weapon = MAX_WEAPON_TYPE+1;
-	else if(sd->weapontype1 == W_1HSWORD && sd->weapontype2 == W_1HSWORD)// ??手?
-		sd->status.weapon = MAX_WEAPON_TYPE+2;
-	else if(sd->weapontype1 == W_1HAXE && sd->weapontype2 == W_1HAXE)// ??手斧
-		sd->status.weapon = MAX_WEAPON_TYPE+3;
-	else if( (sd->weapontype1 == W_DAGGER && sd->weapontype2 == W_1HSWORD) ||
-		(sd->weapontype1 == W_1HSWORD && sd->weapontype2 == W_DAGGER) ) // 短? - ?手?
-		sd->status.weapon = MAX_WEAPON_TYPE+4;
-	else if( (sd->weapontype1 == W_DAGGER && sd->weapontype2 == W_1HAXE) ||
-		(sd->weapontype1 == W_1HAXE && sd->weapontype2 == W_DAGGER) ) // 短? - 斧
-		sd->status.weapon = MAX_WEAPON_TYPE+5;
-	else if( (sd->weapontype1 == W_1HSWORD && sd->weapontype2 == W_1HAXE) ||
-		(sd->weapontype1 == W_1HAXE && sd->weapontype2 == W_1HSWORD) ) // ?手? - 斧
-		sd->status.weapon = MAX_WEAPON_TYPE+6;
+	// dual-wield, matching types
+	else if(sd->weapontype1 == W_DAGGER && sd->weapontype2 == W_DAGGER)
+		sd->status.weapon = W_DOUBLE_DD;
+	else if(sd->weapontype1 == W_1HSWORD && sd->weapontype2 == W_1HSWORD)
+		sd->status.weapon = W_DOUBLE_SS;
+	else if(sd->weapontype1 == W_1HAXE && sd->weapontype2 == W_1HAXE)
+		sd->status.weapon = W_DOUBLE_AA;
+	// dual-wield, mixed types
+	else if(sd->weapontype1 == W_DAGGER && sd->weapontype2 == W_1HSWORD || sd->weapontype1 == W_1HSWORD && sd->weapontype2 == W_DAGGER)
+		sd->status.weapon = W_DOUBLE_DS;
+	else if(sd->weapontype1 == W_DAGGER && sd->weapontype2 == W_1HAXE || sd->weapontype1 == W_1HAXE && sd->weapontype2 == W_DAGGER)
+		sd->status.weapon = W_DOUBLE_DA;
+	else if(sd->weapontype1 == W_1HSWORD && sd->weapontype2 == W_1HAXE || sd->weapontype1 == W_1HAXE && sd->weapontype2 == W_1HSWORD)
+		sd->status.weapon = W_DOUBLE_SA;
+	// unknown, default to left hand type
 	else
 		sd->status.weapon = sd->weapontype1;
 
@@ -885,6 +886,7 @@ int pc_reg_received(struct map_session_data *sd)
 	{
 		// set the Guild Master flag
 		sd->state.gmaster_flag = g;
+		// prevent Guild Skills from being used directly after relog
 		if( battle_config.guild_skill_relog_delay )
 			guild_block_skill(sd, 300000);
 	}
diff --git a/src/map/pc.h b/src/map/pc.h
index de220d54c..1c8b191d9 100644
--- a/src/map/pc.h
+++ b/src/map/pc.h
@@ -16,7 +16,7 @@
 //Total number of classes (for data storage)
 #define CLASS_COUNT (JOB_MAX - JOB_NOVICE_HIGH + JOB_MAX_BASIC)
 
-enum {
+enum weapon_type {
 	W_FIST,	//Bare hands
 	W_DAGGER,	//1
 	W_1HSWORD,	//2
@@ -26,7 +26,7 @@ enum {
 	W_1HAXE,	//6
 	W_2HAXE,	//7
 	W_MACE,	//8
-	W_UNKNOWN,	//View 9 seems unused anywhere
+	W_2HMACE,	//9, unused?
 	W_STAFF,	//10
 	W_BOW,	//11
 	W_KNUCKLE,	//12	
@@ -40,8 +40,15 @@ enum {
 	W_GATLING,	//20
 	W_GRENADE,	//21
 	W_HUUMA,	//22
-	MAX_WEAPON_TYPE
-} weapon_type;
+	MAX_WEAPON_TYPE,
+	// dual-wield constants
+	W_DOUBLE_DD, // 2 daggers
+	W_DOUBLE_SS, // 2 swords
+	W_DOUBLE_AA, // 2 axes
+	W_DOUBLE_DS, // dagger + sword
+	W_DOUBLE_DA, // dagger + axe
+	W_DOUBLE_SA, // sword + axe
+};
 
 enum {
 	A_ARROW = 1,
@@ -52,8 +59,9 @@ enum {
 	A_SHURIKEN, //6
 	A_KUNAI     //7
 } ammo_type;
+
 //Equip position constants
-enum {
+enum equip_pos {
 	EQP_HEAD_LOW = 0x0001, 
 	EQP_HEAD_MID = 0x0200, //512
 	EQP_HEAD_TOP = 0x0100, //256
@@ -65,7 +73,7 @@ enum {
 	EQP_ACC_L    = 0x0008,
 	EQP_ACC_R    = 0x0080, //128
 	EQP_AMMO     = 0x8000, //32768
-} equip_pos_enum;
+};
 
 #define EQP_WEAPON EQP_HAND_R
 #define EQP_SHIELD EQP_HAND_L
diff --git a/src/map/script.c b/src/map/script.c
index 71aee9d6f..d9a0faead 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -153,7 +153,7 @@ static int script_pos,script_size;
 static char *str_buf;
 static int str_pos,str_size;
 static struct str_data_struct {
-	int type;
+	enum c_op type;
 	int str;
 	int backpatch;
 	int label;
@@ -201,12 +201,13 @@ enum curly_type {
 	TYPE_USERFUNC,
 	TYPE_ARGLIST // function argument list
 };
+
 #define ARGLIST_UNDEFINED 0
 #define ARGLIST_NO_PAREN  1
 #define ARGLIST_PAREN     2
 static struct {
 	struct {
-		int type;
+		enum curly_type type;
 		int index;
 		int count;
 		int flag;
@@ -215,13 +216,14 @@ static struct {
 	int curly_count;	// 右カッコの数
 	int index;			// スクリプト内で使用した構文の数
 } syntax;
+
 const char* parse_curly_close(const char* p);
 const char* parse_syntax_close(const char* p);
 const char* parse_syntax_close_sub(const char* p,int* flag);
 const char* parse_syntax(const char* p);
 static int parse_syntax_for_flag = 0;
 
-extern int current_equip_item_index; //for New CARS Scripts. It contains Inventory Index of the EQUIP_SCRIPT caller item. [Lupus]
+extern int current_equip_item_index; //for New CARDS Scripts. It contains Inventory Index of the EQUIP_SCRIPT caller item. [Lupus]
 int potion_flag=0; //For use on Alchemist improved potions/Potion Pitcher. [Skotlex]
 int potion_hp=0, potion_per_hp=0, potion_sp=0, potion_per_sp=0;
 int potion_target=0;
@@ -11672,7 +11674,6 @@ BUILDIN_FUNC(getd)
 {
 	char varname[100];
 	const char *buffer;
-	//struct script_data dat;
 	int elem;
 
 	buffer = script_getstr(st, 2);
@@ -11681,8 +11682,7 @@ BUILDIN_FUNC(getd)
 		elem = 0;
 
 	// Push the 'pointer' so it's more flexible [Lance]
-	push_val(st->stack,C_NAME,
-				(elem<<24) | add_str(varname));
+	push_val(st->stack, C_NAME, (elem<<24) | add_str(varname));
 
 	return 0;
 }
diff --git a/src/map/script.h b/src/map/script.h
index 709577c6d..46a2b2910 100644
--- a/src/map/script.h
+++ b/src/map/script.h
@@ -26,7 +26,7 @@ extern struct Script_Config {
 } script_config;
 
 struct script_data {
-	int type;
+	enum c_op type;
 	union script_data_val {
 		int num;
 		char *str;
diff --git a/src/map/skill.c b/src/map/skill.c
index 15c49c915..943548c91 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -1890,15 +1890,11 @@ static int skill_check_condition_hom (struct homun_data *hd, int skill, int lv,
 	if (!sc->count)
 		sc = NULL;
 	
-	// for the guild skills [celest]
-	if (skill >= HM_SKILLBASE)	//[orn]
-		j = HM_SKILLRANGEMIN + skill - HM_SKILLBASE;
-	else
-		j = skill;
-	if (j < 0 || j >= MAX_SKILL_DB)
-  		return 0;
 	//Code speedup, rather than using skill_get_* over and over again.
-	if (lv < 1 || lv > MAX_SKILL_LEVEL)
+	j = skill_get_index(skill);
+	if( j == 0 )
+  		return 0;
+	if( lv < 1 || lv > MAX_SKILL_LEVEL )
 		return 0;
 
 	for(i = 0; i < 10; i++) {
@@ -7510,13 +7506,13 @@ int skill_check_condition(struct map_session_data* sd, short skill, short lv, in
 		return 1;
 	}
 
+	//Code speedup, rather than using skill_get_* over and over again.
 	j = skill_get_index(skill);
-	if (j == 0) // invalid skill id
+	if( j == 0 ) // invalid skill id
   		return 0;
-	if (lv < 1 || lv > MAX_SKILL_LEVEL)
+	if( lv < 1 || lv > MAX_SKILL_LEVEL )
 		return 0;
 
-	//Code speedup, rather than using skill_get_* over and over again.
 	hp = skill_db[j].hp[lv-1];
 	sp = skill_db[j].sp[lv-1];
 	if((sd->skillid_old == BD_ENCORE) && skill == sd->skillid_dance)
diff --git a/src/map/status.c b/src/map/status.c
index e59bdc88a..137e65158 100644
--- a/src/map/status.c
+++ b/src/map/status.c
@@ -7330,16 +7330,17 @@ int status_readdb(void)
 	i = 0;
 	while(fgets(line, sizeof(line), fp))
 	{
-		char *split[MAX_WEAPON_TYPE + 5];
+		//NOTE: entry MAX_WEAPON_TYPE is not counted
+		char* split[5 + MAX_WEAPON_TYPE];
 		i++;
 		if(line[0]=='/' && line[1]=='/')
 			continue;
-		for(j=0,p=line;j<(MAX_WEAPON_TYPE + 5) && p;j++){	//not 22 anymore [blackhole89]
+		for(j=0,p=line; j < 5 + MAX_WEAPON_TYPE && p; j++){
 			split[j]=p;
 			p=strchr(p,',');
 			if(p) *p++=0;
 		}
-		if(j < MAX_WEAPON_TYPE + 5)
+		if(j < 5 + MAX_WEAPON_TYPE)
 		{	//Weapon #.MAX_WEAPON_TYPE is constantly not load. Fix to that: replace < with <= [blackhole89]
 			ShowDebug("%s: Not enough columns at line %d\n", path, i);
 			continue;