Split HUD code off to hud.cpp, make into a class, extensive Lua HUD modification

1 files changed, 55 insertions, 125 deletions

diff --git a/src/server.cpp b/src/server.cpp
index a9632c93c..241826ba2 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -3449,7 +3449,9 @@ void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
 	// Send as reliable
 	m_con.Send(peer_id, 0, data, true);
 }
-void Server::SendShowFormspecMessage(u16 peer_id, const std::string formspec, const std::string formname)
+
+void Server::SendShowFormspecMessage(u16 peer_id, const std::string formspec,
+					const std::string formname)
 {
 	DSTACK(__FUNCTION_NAME);
 
@@ -3470,7 +3472,9 @@ void Server::SendShowFormspecMessage(u16 peer_id, const std::string formspec, co
 }
 
 // Spawns a particle on peer with peer_id
-void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f acceleration, float expirationtime, float size, bool collisiondetection, std::string texture)
+void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f acceleration,
+				float expirationtime, float size, bool collisiondetection,
+				std::string texture)
 {
 	DSTACK(__FUNCTION_NAME);
 
@@ -3492,7 +3496,9 @@ void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f accelerat
 }
 
 // Spawns a particle on all peers
-void Server::SendSpawnParticleAll(v3f pos, v3f velocity, v3f acceleration, float expirationtime, float size, bool collisiondetection, std::string texture)
+void Server::SendSpawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
+				float expirationtime, float size, bool collisiondetection,
+				std::string texture)
 {
 	for(std::map<u16, RemoteClient*>::iterator
 		i = m_clients.begin();
@@ -3595,22 +3601,18 @@ void Server::SendDeleteParticleSpawnerAll(u32 id)
 	}
 }
 
-void Server::SendHUDAdd(u16 peer_id, const u32 id, HudElement* form)
+void Server::SendHUDAdd(u16 peer_id, u32 id, HudElement *form)
 {
-	DSTACK(__FUNCTION_NAME);
-
 	std::ostringstream os(std::ios_base::binary);
-	u8 buf[12];
 
 	// Write command
-	writeU16(buf, TOCLIENT_HUDADD);
-	os.write((char*)buf, 2);
+	writeU16(os, TOCLIENT_HUDADD);
 	writeU32(os, id);
-	writeU8(os, form->type);
+	writeU8(os, (u8)form->type);
 	writeV2F1000(os, form->pos);
-	os<<serializeString(form->name);
+	os << serializeString(form->name);
 	writeV2F1000(os, form->scale);
-	os<<serializeString(form->text);
+	os << serializeString(form->text);
 	writeU32(os, form->number);
 	writeU32(os, form->item);
 	writeU32(os, form->dir);
@@ -3622,16 +3624,12 @@ void Server::SendHUDAdd(u16 peer_id, const u32 id, HudElement* form)
 	m_con.Send(peer_id, 0, data, true);
 }
 
-void Server::SendHUDRm(u16 peer_id, const u32 id)
+void Server::SendHUDRemove(u16 peer_id, u32 id)
 {
-	DSTACK(__FUNCTION_NAME);
-
 	std::ostringstream os(std::ios_base::binary);
-	u8 buf[12];
 
 	// Write command
-	writeU16(buf, TOCLIENT_HUDRM);
-	os.write((char*)buf, 2);
+	writeU16(os, TOCLIENT_HUDRM);
 	writeU32(os, id);
 
 	// Make data buffer
@@ -3641,67 +3639,36 @@ void Server::SendHUDRm(u16 peer_id, const u32 id)
 	m_con.Send(peer_id, 0, data, true);
 }
 
-void Server::SendHUDChange(u16 peer_id, const u32 id, const u8 stat, v2f data)
+void Server::SendHUDChange(u16 peer_id, u32 id, HudElementStat stat, void *value)
 {
-	DSTACK(__FUNCTION_NAME);
-
 	std::ostringstream os(std::ios_base::binary);
-	u8 buf[12];
 
 	// Write command
-	writeU16(buf, TOCLIENT_HUDCHANGE);
-	os.write((char*)buf, 2);
+	writeU16(os, TOCLIENT_HUDCHANGE);
 	writeU32(os, id);
-	writeU8(os, stat);
-	writeV2F1000(os, data);
-
-	// Make data buffer
-	std::string s = os.str();
-	SharedBuffer<u8> ddata((u8*)s.c_str(), s.size());
-	// Send as reliable
-	m_con.Send(peer_id, 0, ddata, true);
-}
-
-void Server::SendHUDChange(u16 peer_id, const u32 id, const u8 stat, std::string data)
-{
-	DSTACK(__FUNCTION_NAME);
-
-	std::ostringstream os(std::ios_base::binary);
-	u8 buf[12];
-
-	// Write command
-	writeU16(buf, TOCLIENT_HUDCHANGE);
-	os.write((char*)buf, 2);
-	writeU32(os, id);
-	writeU8(os, stat);
-	os<<serializeString(data);
-
-	// Make data buffer
-	std::string s = os.str();
-	SharedBuffer<u8> ddata((u8*)s.c_str(), s.size());
-	// Send as reliable
-	m_con.Send(peer_id, 0, ddata, true);
-}
-
-void Server::SendHUDChange(u16 peer_id, const u32 id, const u8 stat, u32 data)
-{
-	DSTACK(__FUNCTION_NAME);
-
-	std::ostringstream os(std::ios_base::binary);
-	u8 buf[12];
-
-	// Write command
-	writeU16(buf, TOCLIENT_HUDCHANGE);
-	os.write((char*)buf, 2);
-	writeU32(os, id);
-	writeU8(os, stat);
-	writeU32(os, data);
+	writeU8(os, (u8)stat);
+	switch (stat) {
+		case HUD_STAT_POS:
+		case HUD_STAT_SCALE:
+			writeV2F1000(os, *(v2f *)value);
+			break;
+		case HUD_STAT_NAME:
+		case HUD_STAT_TEXT:
+			os << serializeString(*(std::string *)value);
+			break;
+		case HUD_STAT_NUMBER:
+		case HUD_STAT_ITEM:
+		case HUD_STAT_DIR:
+		default:
+			writeU32(os, *(u32 *)value);
+			break;
+	}
 
 	// Make data buffer
 	std::string s = os.str();
-	SharedBuffer<u8> ddata((u8*)s.c_str(), s.size());
+	SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
 	// Send as reliable
-	m_con.Send(peer_id, 0, ddata, true);
+	m_con.Send(peer_id, 0, data, true);
 }
 
 void Server::BroadcastChatMessage(const std::wstring &message)
@@ -4657,71 +4624,34 @@ bool Server::showFormspec(const char *playername, const std::string &formspec, c
 	return true;
 }
 
-bool Server::hudadd(const char *playername, const u32 &id, HudElement* form)
-{
-	Player *player = m_env->getPlayer(playername);
-
-	if(!player)
-	{
-		infostream<<"hudadd: couldn't find player:"<<playername<<std::endl;
-		return false;
-	}
+u32 Server::hudAdd(Player *player, HudElement *form) {
+	if (!player)
+		return -1;
 
+	u32 id = hud_get_free_id(player);
+	if (id < player->hud.size())
+		player->hud[id] = form;
+	else
+		player->hud.push_back(form);
+	
 	SendHUDAdd(player->peer_id, id, form);
-	return true;
-}
-
-bool Server::hudrm(const char *playername, const u32 &id)
-{
-	Player *player = m_env->getPlayer(playername);
-
-	if(!player)
-	{
-		infostream<<"hudrm: couldn't find player:"<<playername<<std::endl;
-		return false;
-	}
-
-	SendHUDRm(player->peer_id, id);
-	return true;
-}
-
-bool Server::hudchange(const char *playername, const u32 &id, const u8 &stat, v2f data)
-{
-	Player *player = m_env->getPlayer(playername);
-
-	if(!player)
-	{
-		infostream<<"hudchange: couldn't find player:"<<playername<<std::endl;
-		return false;
-	}
-
-	SendHUDChange(player->peer_id, id, stat, data);
-	return true;
+	return id;
 }
 
-bool Server::hudchange(const char *playername, const u32 &id, const u8 &stat, std::string data)
-{
-	Player *player = m_env->getPlayer(playername);
-
-	if(!player)
-	{
-		infostream<<"hudchange: couldn't find player:"<<playername<<std::endl;
+bool Server::hudRemove(Player *player, u32 id) {
+	if (!player || id >= player->hud.size() || !player->hud[id])
 		return false;
-	}
 
-	SendHUDChange(player->peer_id, id, stat, data);
+	delete player->hud[id];
+	player->hud[id] = NULL;
+	
+	SendHUDRemove(player->peer_id, id);
 	return true;
 }
 
-bool Server::hudchange(const char *playername, const u32 &id, const u8 &stat, u32 data)
-{
-	Player *player = m_env->getPlayer(playername);
-
-	if(!player)
-	{
-		infostream<<"hudchange: couldn't find player:"<<playername<<std::endl;
+bool Server::hudChange(Player *player, u32 id, HudElementStat stat, void *data) {
+	if (!player)
 		return false;
-	}
 
 	SendHUDChange(player->peer_id, id, stat, data);
 	return true;