Make some maps unordered to improve performance

* This permit to improve performance on C++11 builds
* use some existing typedefs in tools maps
* minor code style changes

5 files changed, 38 insertions, 48 deletions

diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp
index 19873abc5..6fb9080bc 100644
--- a/src/script/common/c_content.cpp
+++ b/src/script/common/c_content.cpp
@@ -829,20 +829,18 @@ void push_tool_capabilities(lua_State *L,
 		// Create groupcaps table
 		lua_newtable(L);
 		// For each groupcap
-		for(std::map<std::string, ToolGroupCap>::const_iterator
-				i = toolcap.groupcaps.begin(); i != toolcap.groupcaps.end(); i++){
+		for (ToolGCMap::const_iterator i = toolcap.groupcaps.begin();
+			i != toolcap.groupcaps.end(); i++) {
 			// Create groupcap table
 			lua_newtable(L);
 			const std::string &name = i->first;
 			const ToolGroupCap &groupcap = i->second;
 			// Create subtable "times"
 			lua_newtable(L);
-			for(std::map<int, float>::const_iterator
-					i = groupcap.times.begin(); i != groupcap.times.end(); i++){
-				int rating = i->first;
-				float time = i->second;
-				lua_pushinteger(L, rating);
-				lua_pushnumber(L, time);
+			for (UNORDERED_MAP<int, float>::const_iterator
+					i = groupcap.times.begin(); i != groupcap.times.end(); i++) {
+				lua_pushinteger(L, i->first);
+				lua_pushnumber(L, i->second);
 				lua_settable(L, -3);
 			}
 			// Set subtable "times"
@@ -858,8 +856,8 @@ void push_tool_capabilities(lua_State *L,
 		//Create damage_groups table
 		lua_newtable(L);
 		// For each damage group
-		for(std::map<std::string, s16>::const_iterator
-				i = toolcap.damageGroups.begin(); i != toolcap.damageGroups.end(); i++){
+		for (DamageGroup::const_iterator i = toolcap.damageGroups.begin();
+			i != toolcap.damageGroups.end(); i++) {
 			// Create damage group table
 			lua_pushinteger(L, i->second);
 			lua_setfield(L, -2, i->first.c_str());
diff --git a/src/settings.h b/src/settings.h
index 0af861a58..c6c044779 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -24,7 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/string.h"
 #include "threading/mutex.h"
 #include <string>
-#include <map>
+#include "util/cpp11_container.h"
 #include <list>
 #include <set>
 
@@ -45,7 +45,7 @@ typedef std::vector<
 	>
 > SettingsCallbackList;
 
-typedef std::map<std::string, SettingsCallbackList> SettingsCallbackMap;
+typedef UNORDERED_MAP<std::string, SettingsCallbackList> SettingsCallbackMap;
 
 enum ValueType {
 	VALUETYPE_STRING,
diff --git a/src/sound_openal.cpp b/src/sound_openal.cpp
index 1832a0c77..317667f52 100644
--- a/src/sound_openal.cpp
+++ b/src/sound_openal.cpp
@@ -41,9 +41,9 @@ with this program; ifnot, write to the Free Software Foundation, Inc.,
 #include "log.h"
 #include "util/numeric.h" // myrand()
 #include "porting.h"
-#include <map>
 #include <vector>
 #include <fstream>
+#include "util/cpp11_container.h"
 
 #define BUFFER_SIZE 30000
 
@@ -271,8 +271,8 @@ private:
 	ALCdevice *m_device;
 	ALCcontext *m_context;
 	int m_next_id;
-	std::map<std::string, std::vector<SoundBuffer*> > m_buffers;
-	std::map<int, PlayingSound*> m_sounds_playing;
+	UNORDERED_MAP<std::string, std::vector<SoundBuffer*> > m_buffers;
+	UNORDERED_MAP<int, PlayingSound*> m_sounds_playing;
 	v3f m_listener_pos;
 public:
 	bool m_is_initialized;
@@ -337,7 +337,7 @@ public:
 		alcCloseDevice(m_device);
 		m_device = NULL;
 
-		for (std::map<std::string, std::vector<SoundBuffer*> >::iterator i = m_buffers.begin();
+		for (UNORDERED_MAP<std::string, std::vector<SoundBuffer*> >::iterator i = m_buffers.begin();
 				i != m_buffers.end(); ++i) {
 			for (std::vector<SoundBuffer*>::iterator iter = (*i).second.begin();
 					iter != (*i).second.end(); ++iter) {
@@ -351,7 +351,7 @@ public:
 
 	void addBuffer(const std::string &name, SoundBuffer *buf)
 	{
-		std::map<std::string, std::vector<SoundBuffer*> >::iterator i =
+		UNORDERED_MAP<std::string, std::vector<SoundBuffer*> >::iterator i =
 				m_buffers.find(name);
 		if(i != m_buffers.end()){
 			i->second.push_back(buf);
@@ -365,7 +365,7 @@ public:
 
 	SoundBuffer* getBuffer(const std::string &name)
 	{
-		std::map<std::string, std::vector<SoundBuffer*> >::iterator i =
+		UNORDERED_MAP<std::string, std::vector<SoundBuffer*> >::iterator i =
 				m_buffers.find(name);
 		if(i == m_buffers.end())
 			return NULL;
@@ -443,8 +443,7 @@ public:
 
 	void deleteSound(int id)
 	{
-		std::map<int, PlayingSound*>::iterator i =
-				m_sounds_playing.find(id);
+		UNORDERED_MAP<int, PlayingSound*>::iterator i = m_sounds_playing.find(id);
 		if(i == m_sounds_playing.end())
 			return;
 		PlayingSound *sound = i->second;
@@ -484,10 +483,8 @@ public:
 				<<m_sounds_playing.size()<<" playing sounds, "
 				<<m_buffers.size()<<" sound names loaded"<<std::endl;
 		std::set<int> del_list;
-		for(std::map<int, PlayingSound*>::iterator
-				i = m_sounds_playing.begin();
-				i != m_sounds_playing.end(); ++i)
-		{
+		for(UNORDERED_MAP<int, PlayingSound*>::iterator i = m_sounds_playing.begin();
+				i != m_sounds_playing.end(); ++i) {
 			int id = i->first;
 			PlayingSound *sound = i->second;
 			// If not playing, remove it
@@ -583,9 +580,8 @@ public:
 	}
 	void updateSoundPosition(int id, v3f pos)
 	{
-		std::map<int, PlayingSound*>::iterator i =
-				m_sounds_playing.find(id);
-		if(i == m_sounds_playing.end())
+		UNORDERED_MAP<int, PlayingSound*>::iterator i = m_sounds_playing.find(id);
+		if (i == m_sounds_playing.end())
 			return;
 		PlayingSound *sound = i->second;
 
diff --git a/src/tool.cpp b/src/tool.cpp
index 54b9f15f4..20b71fb31 100644
--- a/src/tool.cpp
+++ b/src/tool.cpp
@@ -34,24 +34,23 @@ void ToolCapabilities::serialize(std::ostream &os, u16 protocol_version) const
 	writeF1000(os, full_punch_interval);
 	writeS16(os, max_drop_level);
 	writeU32(os, groupcaps.size());
-	for(std::map<std::string, ToolGroupCap>::const_iterator
-			i = groupcaps.begin(); i != groupcaps.end(); ++i){
+	for (ToolGCMap::const_iterator i = groupcaps.begin(); i != groupcaps.end(); ++i) {
 		const std::string *name = &i->first;
 		const ToolGroupCap *cap = &i->second;
 		os<<serializeString(*name);
 		writeS16(os, cap->uses);
 		writeS16(os, cap->maxlevel);
 		writeU32(os, cap->times.size());
-		for(std::map<int, float>::const_iterator
-				i = cap->times.begin(); i != cap->times.end(); ++i){
+		for (UNORDERED_MAP<int, float>::const_iterator
+				i = cap->times.begin(); i != cap->times.end(); ++i) {
 			writeS16(os, i->first);
 			writeF1000(os, i->second);
 		}
 	}
 	if(protocol_version > 17){
 		writeU32(os, damageGroups.size());
-		for(std::map<std::string, s16>::const_iterator
-				i = damageGroups.begin(); i != damageGroups.end(); ++i){
+		for (DamageGroup::const_iterator i = damageGroups.begin();
+			 	i != damageGroups.end(); ++i) {
 			os<<serializeString(i->first);
 			writeS16(os, i->second);
 		}
@@ -106,7 +105,7 @@ DigParams getDigParams(const ItemGroupList &groups,
 	default:
 		break;
 	}
-	
+
 	// Values to be returned (with a bit of conversion)
 	bool result_diggable = false;
 	float result_time = 0.0;
@@ -115,8 +114,8 @@ DigParams getDigParams(const ItemGroupList &groups,
 
 	int level = itemgroup_get(groups, "level");
 	//infostream<<"level="<<level<<std::endl;
-	for(std::map<std::string, ToolGroupCap>::const_iterator
-			i = tp->groupcaps.begin(); i != tp->groupcaps.end(); ++i){
+	for (ToolGCMap::const_iterator i = tp->groupcaps.begin();
+		 	i != tp->groupcaps.end(); ++i) {
 		const std::string &name = i->first;
 		//infostream<<"group="<<name<<std::endl;
 		const ToolGroupCap &cap = i->second;
@@ -163,8 +162,8 @@ HitParams getHitParams(const ItemGroupList &armor_groups,
 	s16 damage = 0;
 	float full_punch_interval = tp->full_punch_interval;
 
-	for(std::map<std::string, s16>::const_iterator
-			i = tp->damageGroups.begin(); i != tp->damageGroups.end(); ++i){
+	for (DamageGroup::const_iterator i = tp->damageGroups.begin();
+			i != tp->damageGroups.end(); ++i) {
 		s16 armor = itemgroup_get(armor_groups, i->first);
 		damage += i->second * rangelim(time_from_last_punch / full_punch_interval, 0.0, 1.0)
 				* armor / 100.0;
@@ -197,7 +196,7 @@ PunchDamageResult getPunchDamage(
 				do_hit = false;
 		}
 	}
-	
+
 	PunchDamageResult result;
 	if(do_hit)
 	{
diff --git a/src/tool.h b/src/tool.h
index 509561a16..ebba5b749 100644
--- a/src/tool.h
+++ b/src/tool.h
@@ -23,12 +23,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "irrlichttypes.h"
 #include <string>
 #include <iostream>
-#include <map>
+#include "util/cpp11_container.h"
 #include "itemgroup.h"
 
 struct ToolGroupCap
 {
-	std::map<int, float> times;
+	UNORDERED_MAP<int, float> times;
 	int maxlevel;
 	int uses;
 
@@ -39,8 +39,8 @@ struct ToolGroupCap
 
 	bool getTime(int rating, float *time) const
 	{
-		std::map<int, float>::const_iterator i = times.find(rating);
-		if(i == times.end()){
+		UNORDERED_MAP<int, float>::const_iterator i = times.find(rating);
+		if (i == times.end()) {
 			*time = 0;
 			return false;
 		}
@@ -50,22 +50,19 @@ struct ToolGroupCap
 };
 
 
-// CLANG SUCKS DONKEY BALLS
-typedef std::map<std::string, struct ToolGroupCap> ToolGCMap;
-typedef std::map<std::string, s16> DamageGroup;
+typedef UNORDERED_MAP<std::string, struct ToolGroupCap> ToolGCMap;
+typedef UNORDERED_MAP<std::string, s16> DamageGroup;
 
 struct ToolCapabilities
 {
 	float full_punch_interval;
 	int max_drop_level;
-	// CLANG SUCKS DONKEY BALLS
 	ToolGCMap groupcaps;
 	DamageGroup damageGroups;
 
 	ToolCapabilities(
 			float full_punch_interval_=1.4,
 			int max_drop_level_=1,
-			// CLANG SUCKS DONKEY BALLS
 			ToolGCMap groupcaps_=ToolGCMap(),
 			DamageGroup damageGroups_=DamageGroup()
 	):