Replace sd->channels with a VECTOR

This removes some shady array compaction code and prepares the ground
for some further fixes.

Signed-off-by: Haru <haru@dotalux.com>

6 files changed, 36 insertions, 65 deletions

diff --git a/src/map/atcommand.c b/src/map/atcommand.c
index 236975b32..adf617ccd 100644
--- a/src/map/atcommand.c
+++ b/src/map/atcommand.c
@@ -9019,7 +9019,6 @@ ACMD(channel)
 {
 	struct channel_data *chan;
 	char subcmd[HCS_NAME_LENGTH], sub1[HCS_NAME_LENGTH], sub2[HCS_NAME_LENGTH], sub3[HCS_NAME_LENGTH];
-	unsigned char k = 0;
 	sub1[0] = sub2[0] = sub3[0] = '\0';
 
 	if (!*message || sscanf(message, "%19s %19s %19s %19s", subcmd, sub1, sub2, sub3) < 1) {
@@ -9056,7 +9055,7 @@ ACMD(channel)
 	} else if (strcmpi(subcmd,"list") == 0) {
 		// sub1 = list type; sub2 = unused; sub3 = unused
 		if (sub1[0] != '\0' && strcmpi(sub1,"colors") == 0) {
-			for (k = 0; k < channel->config->colors_count; k++) {
+			for (int k = 0; k < channel->config->colors_count; k++) {
 				safesnprintf(atcmd_output, sizeof(atcmd_output), "[ %s list colors ] : %s", command, channel->config->colors_name[k]);
 
 				clif->messagecolor_self(fd, channel->config->colors[k], atcmd_output);
@@ -9085,6 +9084,7 @@ ACMD(channel)
 		}
 	} else if (strcmpi(subcmd,"setcolor") == 0) {
 		// sub1 = channel name; sub2 = color; sub3 = unused
+		int k;
 		if (sub1[0] != '#') {
 			clif->message(fd, msg_fd(fd,1405));// Channel name must start with a '#'
 			return false;
@@ -9102,10 +9102,7 @@ ACMD(channel)
 			return false;
 		}
 
-		for (k = 0; k < channel->config->colors_count; k++) {
-			if (strcmpi(sub2, channel->config->colors_name[k]) == 0)
-				break;
-		}
+		ARR_FIND(0, channel->config->colors_count, k, strcmpi(sub2, channel->config->colors_name[k]) == 0);
 		if (k == channel->config->colors_count) {
 			safesnprintf(atcmd_output, sizeof(atcmd_output), msg_fd(fd,1411), sub2);// Unknown color '%s'
 			clif->message(fd, atcmd_output);
@@ -9116,51 +9113,47 @@ ACMD(channel)
 		clif->message(fd, atcmd_output);
 	} else if (strcmpi(subcmd,"leave") == 0) {
 		// sub1 = channel name; sub2 = unused; sub3 = unused
+		int k;
 		if (sub1[0] != '#') {
 			clif->message(fd, msg_fd(fd,1405));// Channel name must start with a '#'
 			return false;
 		}
-		for (k = 0; k < sd->channel_count; k++) {
-			if (strcmpi(sub1+1,sd->channels[k]->name) == 0)
-				break;
-		}
-		if (k == sd->channel_count) {
+		ARR_FIND(0, VECTOR_LENGTH(sd->channels), k, strcmpi(sub1 + 1, VECTOR_INDEX(sd->channels, k)->name) == 0);
+		if (k == VECTOR_LENGTH(sd->channels)) {
 			safesnprintf(atcmd_output, sizeof(atcmd_output), msg_fd(fd,1425),sub1);// You're not part of the '%s' channel
 			clif->message(fd, atcmd_output);
 			return false;
 		}
-		if (sd->channels[k]->type == HCS_TYPE_ALLY) {
+		if (VECTOR_INDEX(sd->channels, k)->type == HCS_TYPE_ALLY) {
 			do {
-				for (k = 0; k < sd->channel_count; k++) {
-					if (sd->channels[k]->type == HCS_TYPE_ALLY) {
-						channel->leave(sd->channels[k],sd);
+				for (k = 0; k < VECTOR_LENGTH(sd->channels); k++) {
+					if (VECTOR_INDEX(sd->channels, k)->type == HCS_TYPE_ALLY) {
+						channel->leave(VECTOR_INDEX(sd->channels, k), sd);
 						break;
 					}
 				}
-			} while (k != sd->channel_count);
+			} while (k != VECTOR_LENGTH(sd->channels)); // FIXME
 		} else {
-			channel->leave(sd->channels[k],sd);
+			channel->leave(VECTOR_INDEX(sd->channels, k), sd);
 		}
 		safesnprintf(atcmd_output, sizeof(atcmd_output), msg_fd(fd,1426),sub1); // You've left the '%s' channel
 		clif->message(fd, atcmd_output);
 	} else if (strcmpi(subcmd,"bindto") == 0) {
 		// sub1 = channel name; sub2 = unused; sub3 = unused
+		int k;
 		if (sub1[0] != '#') {
 			clif->message(fd, msg_fd(fd,1405));// Channel name must start with a '#'
 			return false;
 		}
 
-		for (k = 0; k < sd->channel_count; k++) {
-			if (strcmpi(sub1+1,sd->channels[k]->name) == 0)
-				break;
-		}
-		if (k == sd->channel_count) {
+		ARR_FIND(0, VECTOR_LENGTH(sd->channels), k, strcmpi(sub1 + 1, VECTOR_INDEX(sd->channels, k)->name) == 0);
+		if (k == VECTOR_LENGTH(sd->channels)) {
 			safesnprintf(atcmd_output, sizeof(atcmd_output), msg_fd(fd,1425),sub1);// You're not part of the '%s' channel
 			clif->message(fd, atcmd_output);
 			return false;
 		}
 
-		sd->gcbind = sd->channels[k];
+		sd->gcbind = VECTOR_INDEX(sd->channels, k);
 		safesnprintf(atcmd_output, sizeof(atcmd_output), msg_fd(fd,1431),sub1); // Your global chat is now bound to the '%s' channel
 		clif->message(fd, atcmd_output);
 	} else if (strcmpi(subcmd,"unbind") == 0) {
@@ -9332,6 +9325,7 @@ ACMD(channel)
 		dbi_destroy(iter);
 	} else if (strcmpi(subcmd,"setopt") == 0) {
 		// sub1 = channel name; sub2 = option name; sub3 = value
+		int k;
 		const char* opt_str[3] = {
 			"None",
 			"JoinAnnounce",
diff --git a/src/map/channel.c b/src/map/channel.c
index 3ba56b100..86ca44ea2 100644
--- a/src/map/channel.c
+++ b/src/map/channel.c
@@ -319,8 +319,8 @@ static void channel_join_sub(struct channel_data *chan, struct map_session_data
 	if (idb_put(chan->users, sd->status.char_id, sd))
 		return;
 
-	RECREATE(sd->channels, struct channel_data *, ++sd->channel_count);
-	sd->channels[sd->channel_count - 1] = chan;
+	VECTOR_ENSURE(sd->channels, 1, 1);
+	VECTOR_PUSH(sd->channels, chan);
 
 	if (!stealth && (chan->options&HCS_OPT_ANNOUNCE_JOIN)) {
 		char message[60];
@@ -329,7 +329,7 @@ static void channel_join_sub(struct channel_data *chan, struct map_session_data
 	}
 
 	/* someone is cheating, we kindly disconnect the bastard */
-	if (sd->channel_count > 200) {
+	if (VECTOR_LENGTH(sd->channels) > 200) {
 		sockt->eof(sd->fd);
 	}
 
@@ -411,32 +411,16 @@ static enum channel_operation_status channel_join(struct channel_data *chan, str
  */
 static void channel_leave_sub(struct channel_data *chan, struct map_session_data *sd)
 {
-	unsigned char i;
+	int i;
 
 	nullpo_retv(chan);
 	nullpo_retv(sd);
-	for (i = 0; i < sd->channel_count; i++) {
-		if (sd->channels[i] == chan) {
-			sd->channels[i] = NULL;
-			break;
-		}
-	}
-	if (i < sd->channel_count) {
-		unsigned char cursor = 0;
-		for (i = 0; i < sd->channel_count; i++) {
-			if (sd->channels[i] == NULL)
-				continue;
-			if (cursor != i) {
-				sd->channels[cursor] = sd->channels[i];
-			}
-			cursor++;
-		}
-		if (!(sd->channel_count = cursor)) {
-			aFree(sd->channels);
-			sd->channels = NULL;
-		}
+	ARR_FIND(0, VECTOR_LENGTH(sd->channels), i, VECTOR_INDEX(sd->channels, i) == chan);
+	if (i < VECTOR_LENGTH(sd->channels)) {
+		VECTOR_ERASE(sd->channels, i);
 	}
 }
+
 /**
  * Leaves a channel.
  *
@@ -475,14 +459,9 @@ static void channel_leave(struct channel_data *chan, struct map_session_data *sd
 static void channel_quit(struct map_session_data *sd)
 {
 	nullpo_retv(sd);
-	while (sd->channel_count > 0) {
+	while (VECTOR_LENGTH(sd->channels) > 0) {
 		// Loop downward to avoid unnecessary array compactions by channel_leave
-		struct channel_data *chan = sd->channels[sd->channel_count-1];
-
-		if (chan == NULL) {
-			sd->channel_count--;
-			continue;
-		}
+		struct channel_data *chan = VECTOR_LAST(sd->channels);
 
 		channel->leave(chan, sd);
 	}
@@ -585,13 +564,11 @@ static void channel_guild_leave_alliance(const struct guild *g_source, const str
  */
 static void channel_quit_guild(struct map_session_data *sd)
 {
-	unsigned char i;
-
 	nullpo_retv(sd);
-	for (i = 0; i < sd->channel_count; i++) {
-		struct channel_data *chan = sd->channels[i];
+	for (int i = 0; i < VECTOR_LENGTH(sd->channels); i++) { // FIXME
+		struct channel_data *chan = VECTOR_INDEX(sd->channels, i);
 
-		if (chan == NULL || chan->type != HCS_TYPE_ALLY)
+		if (chan->type != HCS_TYPE_ALLY)
 			continue;
 
 		channel->leave(chan, sd);
@@ -855,7 +832,6 @@ static void do_final_channel(void)
 {
 	struct DBIterator *iter = db_iterator(channel->db);
 	struct channel_data *chan;
-	unsigned char i;
 
 	for( chan = dbi_first(iter); dbi_exists(iter); chan = dbi_next(iter) ) {
 		channel->delete(chan);
@@ -863,7 +839,7 @@ static void do_final_channel(void)
 
 	dbi_destroy(iter);
 
-	for(i = 0; i < channel->config->colors_count; i++) {
+	for (int i = 0; i < channel->config->colors_count; i++) {
 		aFree(channel->config->colors_name[i]);
 	}
 
diff --git a/src/map/clif.c b/src/map/clif.c
index 44cefcd7e..800b13833 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -11083,8 +11083,8 @@ static void clif_parse_WisMessage(int fd, struct map_session_data *sd)
 
 		if (chan) {
 			int k;
-			ARR_FIND(0, sd->channel_count, k, sd->channels[k] == chan);
-			if (k < sd->channel_count || channel->join(chan, sd, "", true) == HCS_STATUS_OK) {
+			ARR_FIND(0, VECTOR_LENGTH(sd->channels), k, VECTOR_INDEX(sd->channels, k) == chan);
+			if (k < VECTOR_LENGTH(sd->channels) || channel->join(chan, sd, "", true) == HCS_STATUS_OK) {
 				channel->send(chan,sd,message);
 			} else {
 				clif->message(fd, msg_fd(fd,1402)); //You're not in that channel, type '@join <#channel_name>'
diff --git a/src/map/pc.c b/src/map/pc.c
index b8a6912ee..282eb7112 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -1330,6 +1330,7 @@ static bool pc_authok(struct map_session_data *sd, int login_id2, time_t expirat
 	sd->bg_queue.client_has_bg_data = 0;
 	sd->bg_queue.type = 0;
 
+	VECTOR_INIT(sd->channels);
 	VECTOR_INIT(sd->script_queues);
 	VECTOR_INIT(sd->achievement); // Achievements [Smokexyz/Hercules]
 	VECTOR_INIT(sd->storage.item); // initialize storage item vector.
diff --git a/src/map/pc.h b/src/map/pc.h
index 4ee5f560b..8302279b1 100644
--- a/src/map/pc.h
+++ b/src/map/pc.h
@@ -557,8 +557,7 @@ END_ZEROED_BLOCK;
 	int shadowform_id;
 
 	/* [Ind/Hercules] */
-	struct channel_data **channels;
-	unsigned char channel_count;
+	VECTOR_DECL(struct channel_data *) channels;
 	struct channel_data *gcbind;
 	unsigned char fontcolor;
 	int fontcolor_tid;
diff --git a/src/map/unit.c b/src/map/unit.c
index 9174bdccd..3c2574111 100644
--- a/src/map/unit.c
+++ b/src/map/unit.c
@@ -2764,6 +2764,7 @@ static int unit_free(struct block_list *bl, clr_type clrtype)
 				aFree(sd->instance);
 				sd->instance = NULL;
 			}
+			VECTOR_CLEAR(sd->channels);
 			VECTOR_CLEAR(sd->script_queues);
 			VECTOR_CLEAR(sd->achievement); // Achievement [Smokexyz/Hercules]
 			VECTOR_CLEAR(sd->storage.item);