X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fcontent_sao.cpp;h=5b0dc3eb4739649f53b987f540f5fb5919e6ea65;hb=18350ad37fbfb7027f2ab82ead5be58c1435cdf0;hp=02a4eb1eb14d98b6722db38ae6e4a7329497db54;hpb=8db89b8136686a5721080d18e8a14f03404aa095;p=minetest.git

diff --git a/src/content_sao.cpp b/src/content_sao.cpp
index 02a4eb1eb..5b0dc3eb4 100644
--- a/src/content_sao.cpp
+++ b/src/content_sao.cpp
@@ -26,6 +26,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "serialization.h" // For compressZlib
 #include "tool.h" // For ToolCapabilities
 #include "gamedef.h"
+#include "player.h"
+#include "scriptapi.h"
+#include "genericobject.h"
 
 core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
 
@@ -333,7 +336,6 @@ ServerActiveObject* createItemSAO(ServerEnvironment *env, v3f pos,
 	LuaEntitySAO
 */
 
-#include "scriptapi.h"
 #include "luaentity_common.h"
 
 // Prototype (registers item for deserialization)
@@ -350,6 +352,7 @@ LuaEntitySAO::LuaEntitySAO(ServerEnvironment *env, v3f pos,
 	m_velocity(0,0,0),
 	m_acceleration(0,0,0),
 	m_yaw(0),
+	m_properties_sent(true),
 	m_last_sent_yaw(0),
 	m_last_sent_position(0,0,0),
 	m_last_sent_velocity(0,0,0),
@@ -381,42 +384,45 @@ void LuaEntitySAO::addedToEnvironment()
 {
 	ServerActiveObject::addedToEnvironment();
 	
-	// Create entity from name and state
+	// Create entity from name
 	lua_State *L = m_env->getLua();
-	m_registered = scriptapi_luaentity_add(L, m_id, m_init_name.c_str(),
-			m_init_state.c_str());
+	m_registered = scriptapi_luaentity_add(L, m_id, m_init_name.c_str());
 	
 	if(m_registered){
 		// Get properties
 		scriptapi_luaentity_get_properties(L, m_id, m_prop);
+		// Initialize HP from properties
+		m_hp = m_prop->hp_max;
 	}
+	
+	// Activate entity, supplying serialized state
+	scriptapi_luaentity_activate(L, m_id, m_init_state.c_str());
 }
 
 ServerActiveObject* LuaEntitySAO::create(ServerEnvironment *env, v3f pos,
 		const std::string &data)
 {
-	std::istringstream is(data, std::ios::binary);
-	// read version
-	u8 version = readU8(is);
 	std::string name;
 	std::string state;
 	s16 hp = 1;
 	v3f velocity;
 	float yaw = 0;
-	// check if version is supported
-	if(version == 0){
-		name = deSerializeString(is);
-		state = deSerializeLongString(is);
-	}
-	else if(version == 1){
-		name = deSerializeString(is);
-		state = deSerializeLongString(is);
-		hp = readS16(is);
-		velocity = readV3F1000(is);
-		yaw = readF1000(is);
-	}
-	else{
-		return NULL;
+	if(data != ""){
+		std::istringstream is(data, std::ios::binary);
+		// read version
+		u8 version = readU8(is);
+		// check if version is supported
+		if(version == 0){
+			name = deSerializeString(is);
+			state = deSerializeLongString(is);
+		}
+		else if(version == 1){
+			name = deSerializeString(is);
+			state = deSerializeLongString(is);
+			hp = readS16(is);
+			velocity = readV3F1000(is);
+			yaw = readF1000(is);
+		}
 	}
 	// create object
 	infostream<<"LuaEntitySAO::create(name=\""<<name<<"\" state=\""
@@ -430,6 +436,15 @@ ServerActiveObject* LuaEntitySAO::create(ServerEnvironment *env, v3f pos,
 
 void LuaEntitySAO::step(float dtime, bool send_recommended)
 {
+	if(!m_properties_sent)
+	{
+		m_properties_sent = true;
+		std::string str = getPropertyPacket();
+		// create message and add to list
+		ActiveObjectMessage aom(getId(), true, str);
+		m_messages_out.push_back(aom);
+	}
+
 	m_last_sent_position_timer += dtime;
 	
 	if(m_prop->physical){
@@ -479,16 +494,10 @@ void LuaEntitySAO::step(float dtime, bool send_recommended)
 
 	if(m_armor_groups_sent == false){
 		m_armor_groups_sent = true;
-		std::ostringstream os(std::ios::binary);
-		writeU8(os, LUAENTITY_CMD_UPDATE_ARMOR_GROUPS);
-		writeU16(os, m_armor_groups.size());
-		for(ItemGroupList::const_iterator i = m_armor_groups.begin();
-				i != m_armor_groups.end(); i++){
-			os<<serializeString(i->first);
-			writeS16(os, i->second);
-		}
+		std::string str = gob_cmd_update_armor_groups(
+				m_armor_groups);
 		// create message and add to list
-		ActiveObjectMessage aom(getId(), true, os.str());
+		ActiveObjectMessage aom(getId(), true, str);
 		m_messages_out.push_back(aom);
 	}
 }
@@ -496,25 +505,26 @@ void LuaEntitySAO::step(float dtime, bool send_recommended)
 std::string LuaEntitySAO::getClientInitializationData()
 {
 	std::ostringstream os(std::ios::binary);
-	// version
-	writeU8(os, 1);
-	// pos
+	writeU8(os, 0); // version
+	os<<serializeString(""); // name
+	writeU8(os, 0); // is_player
 	writeV3F1000(os, m_base_position);
-	// yaw
 	writeF1000(os, m_yaw);
-	// hp
 	writeS16(os, m_hp);
-	// properties
-	std::ostringstream prop_os(std::ios::binary);
-	m_prop->serialize(prop_os);
-	os<<serializeLongString(prop_os.str());
+	writeU8(os, 3); // number of messages stuffed in here
+	os<<serializeLongString(getPropertyPacket()); // message 1
+	os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2
+	os<<serializeLongString(gob_cmd_set_sprite( // 3
+		m_prop->initial_sprite_basepos,
+		1, 1.0, false
+	));
 	// return result
 	return os.str();
 }
 
 std::string LuaEntitySAO::getStaticData()
 {
-	infostream<<__FUNCTION_NAME<<std::endl;
+	verbosestream<<__FUNCTION_NAME<<std::endl;
 	std::ostringstream os(std::ios::binary);
 	// version
 	writeU8(os, 1);
@@ -563,24 +573,21 @@ int LuaEntitySAO::punch(v3f dir,
 	
 	if(result.did_punch)
 	{
+		setHP(getHP() - result.damage);
+		
 		actionstream<<getDescription()<<" punched by "
 				<<puncher->getDescription()<<", damage "<<result.damage
-				<<" HP"<<std::endl;
-		
-		setHP(getHP() - result.damage);
+				<<" hp, health now "<<getHP()<<" hp"<<std::endl;
 		
 		{
-			std::ostringstream os(std::ios::binary);
-			// command 
-			writeU8(os, LUAENTITY_CMD_PUNCHED);
-			// damage
-			writeS16(os, result.damage);
-			// result_hp
-			writeS16(os, getHP());
+			std::string str = gob_cmd_punched(result.damage, getHP());
 			// create message and add to list
-			ActiveObjectMessage aom(getId(), true, os.str());
+			ActiveObjectMessage aom(getId(), true, str);
 			m_messages_out.push_back(aom);
 		}
+
+		if(getHP() == 0)
+			m_removed = true;
 	}
 
 	lua_State *L = m_env->getLua();
@@ -598,17 +605,6 @@ void LuaEntitySAO::rightClick(ServerActiveObject *clicker)
 	scriptapi_luaentity_rightclick(L, m_id, clicker);
 }
 
-void LuaEntitySAO::setHP(s16 hp)
-{
-	if(hp < 0) hp = 0;
-	m_hp = hp;
-}
-
-s16 LuaEntitySAO::getHP()
-{
-	return m_hp;
-}
-
 void LuaEntitySAO::setPos(v3f pos)
 {
 	m_base_position = pos;
@@ -635,7 +631,24 @@ std::string LuaEntitySAO::getDescription()
 	os<<(m_base_position.Y/BS)<<",";
 	os<<(m_base_position.Z/BS);
 	os<<")";
-	return std::string("LuaEntitySAO");
+	return os.str();
+}
+
+void LuaEntitySAO::setHP(s16 hp)
+{
+	if(hp < 0) hp = 0;
+	m_hp = hp;
+}
+
+s16 LuaEntitySAO::getHP() const
+{
+	return m_hp;
+}
+
+void LuaEntitySAO::setArmorGroups(const ItemGroupList &armor_groups)
+{
+	m_armor_groups = armor_groups;
+	m_armor_groups_sent = false;
 }
 
 void LuaEntitySAO::setVelocity(v3f velocity)
@@ -670,29 +683,23 @@ float LuaEntitySAO::getYaw()
 
 void LuaEntitySAO::setTextureMod(const std::string &mod)
 {
-	std::ostringstream os(std::ios::binary);
-	// command 
-	writeU8(os, LUAENTITY_CMD_SET_TEXTURE_MOD);
-	// parameters
-	os<<serializeString(mod);
+	std::string str = gob_cmd_set_texture_mod(mod);
 	// create message and add to list
-	ActiveObjectMessage aom(getId(), false, os.str());
+	ActiveObjectMessage aom(getId(), true, str);
 	m_messages_out.push_back(aom);
 }
 
 void LuaEntitySAO::setSprite(v2s16 p, int num_frames, float framelength,
 		bool select_horiz_by_yawpitch)
 {
-	std::ostringstream os(std::ios::binary);
-	// command
-	writeU8(os, LUAENTITY_CMD_SET_SPRITE);
-	// parameters
-	writeV2S16(os, p);
-	writeU16(os, num_frames);
-	writeF1000(os, framelength);
-	writeU8(os, select_horiz_by_yawpitch);
+	std::string str = gob_cmd_set_sprite(
+		p,
+		num_frames,
+		framelength,
+		select_horiz_by_yawpitch
+	);
 	// create message and add to list
-	ActiveObjectMessage aom(getId(), false, os.str());
+	ActiveObjectMessage aom(getId(), true, str);
 	m_messages_out.push_back(aom);
 }
 
@@ -701,10 +708,20 @@ std::string LuaEntitySAO::getName()
 	return m_init_name;
 }
 
-void LuaEntitySAO::setArmorGroups(const ItemGroupList &armor_groups)
+std::string LuaEntitySAO::getPropertyPacket()
 {
-	m_armor_groups = armor_groups;
-	m_armor_groups_sent = false;
+	return gob_cmd_set_properties(
+		m_prop->hp_max,
+		m_prop->physical,
+		m_prop->weight,
+		m_prop->collisionbox,
+		m_prop->visual,
+		m_prop->visual_size,
+		m_prop->textures,
+		m_prop->spritediv,
+		true, // is_visible
+		false // makes_footstep_sound
+	);
 }
 
 void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
@@ -719,27 +736,391 @@ void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
 
 	float update_interval = m_env->getSendRecommendedInterval();
 
+	std::string str = gob_cmd_update_position(
+		m_base_position,
+		m_velocity,
+		m_acceleration,
+		m_yaw,
+		do_interpolate,
+		is_movement_end,
+		update_interval
+	);
+	// create message and add to list
+	ActiveObjectMessage aom(getId(), false, str);
+}
+
+/*
+	PlayerSAO
+*/
+
+// No prototype, PlayerSAO does not need to be deserialized
+
+PlayerSAO::PlayerSAO(ServerEnvironment *env_, Player *player_, u16 peer_id_):
+	ServerActiveObject(env_, v3f(0,0,0)),
+	m_player(player_),
+	m_peer_id(peer_id_),
+	m_inventory(NULL),
+	m_last_good_position(0,0,0),
+	m_last_good_position_age(0),
+	m_time_from_last_punch(0),
+	m_wield_index(0),
+	m_position_not_sent(false),
+	m_armor_groups_sent(false),
+	m_properties_sent(true),
+	m_teleported(false),
+	m_inventory_not_sent(false),
+	m_hp_not_sent(false),
+	m_wielded_item_not_sent(false)
+{
+	assert(m_player);
+	assert(m_peer_id != 0);
+	setBasePosition(m_player->getPosition());
+	m_inventory = &m_player->inventory;
+	m_armor_groups["choppy"] = 2;
+	m_armor_groups["fleshy"] = 3;
+}
+
+PlayerSAO::~PlayerSAO()
+{
+	if(m_inventory != &m_player->inventory)
+		delete m_inventory;
+
+}
+
+std::string PlayerSAO::getDescription()
+{
+	return std::string("player ") + m_player->getName();
+}
+
+// Called after id has been set and has been inserted in environment
+void PlayerSAO::addedToEnvironment()
+{
+	ServerActiveObject::addedToEnvironment();
+	ServerActiveObject::setBasePosition(m_player->getPosition());
+	m_player->setPlayerSAO(this);
+	m_player->peer_id = m_peer_id;
+	m_last_good_position = m_player->getPosition();
+	m_last_good_position_age = 0.0;
+}
+
+// Called before removing from environment
+void PlayerSAO::removingFromEnvironment()
+{
+	ServerActiveObject::removingFromEnvironment();
+	if(m_player->getPlayerSAO() == this)
+	{
+		m_player->setPlayerSAO(NULL);
+		m_player->peer_id = 0;
+	}
+}
+
+bool PlayerSAO::isStaticAllowed() const
+{
+	return false;
+}
+
+bool PlayerSAO::unlimitedTransferDistance() const
+{
+	return g_settings->getBool("unlimited_player_transfer_distance");
+}
+
+std::string PlayerSAO::getClientInitializationData()
+{
 	std::ostringstream os(std::ios::binary);
-	// command
-	writeU8(os, LUAENTITY_CMD_UPDATE_POSITION);
+	writeU8(os, 0); // version
+	os<<serializeString(m_player->getName()); // name
+	writeU8(os, 1); // is_player
+	writeV3F1000(os, m_player->getPosition() + v3f(0,BS*1,0));
+	writeF1000(os, m_player->getYaw());
+	writeS16(os, getHP());
+	writeU8(os, 2); // number of messages stuffed in here
+	os<<serializeLongString(getPropertyPacket()); // message 1
+	os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2
+	return os.str();
+}
 
-	// do_interpolate
-	writeU8(os, do_interpolate);
-	// pos
-	writeV3F1000(os, m_base_position);
-	// velocity
-	writeV3F1000(os, m_velocity);
-	// acceleration
-	writeV3F1000(os, m_acceleration);
-	// yaw
-	writeF1000(os, m_yaw);
-	// is_end_position (for interpolation)
-	writeU8(os, is_movement_end);
-	// update_interval (for interpolation)
-	writeF1000(os, update_interval);
+std::string PlayerSAO::getStaticData()
+{
+	assert(0);
+	return "";
+}
 
-	// create message and add to list
-	ActiveObjectMessage aom(getId(), false, os.str());
-	m_messages_out.push_back(aom);
+void PlayerSAO::step(float dtime, bool send_recommended)
+{
+	if(!m_properties_sent)
+	{
+		m_properties_sent = true;
+		std::string str = getPropertyPacket();
+		// create message and add to list
+		ActiveObjectMessage aom(getId(), true, str);
+		m_messages_out.push_back(aom);
+	}
+
+	m_time_from_last_punch += dtime;
+
+	/*
+		Check player movements
+
+		NOTE: Actually the server should handle player physics like the
+		client does and compare player's position to what is calculated
+		on our side. This is required when eg. players fly due to an
+		explosion.
+	*/
+
+	//float player_max_speed = BS * 4.0; // Normal speed
+	float player_max_speed = BS * 20; // Fast speed
+	float player_max_speed_up = BS * 20;
+	player_max_speed *= 2.5; // Tolerance
+	player_max_speed_up *= 2.5;
+
+	m_last_good_position_age += dtime;
+	if(m_last_good_position_age >= 1.0){
+		float age = m_last_good_position_age;
+		v3f diff = (m_player->getPosition() - m_last_good_position);
+		float d_vert = diff.Y;
+		diff.Y = 0;
+		float d_horiz = diff.getLength();
+		/*infostream<<m_player->getName()<<"'s horizontal speed is "
+				<<(d_horiz/age)<<std::endl;*/
+		if(d_horiz <= age * player_max_speed &&
+				(d_vert < 0 || d_vert < age * player_max_speed_up)){
+			m_last_good_position = m_player->getPosition();
+		} else {
+			actionstream<<"Player "<<m_player->getName()
+					<<" moved too fast; resetting position"
+					<<std::endl;
+			m_player->setPosition(m_last_good_position);
+			m_teleported = true;
+		}
+		m_last_good_position_age = 0;
+	}
+
+	if(send_recommended == false)
+		return;
+
+	if(m_position_not_sent)
+	{
+		m_position_not_sent = false;
+		float update_interval = m_env->getSendRecommendedInterval();
+		std::string str = gob_cmd_update_position(
+			m_player->getPosition() + v3f(0,BS*1,0),
+			v3f(0,0,0),
+			v3f(0,0,0),
+			m_player->getYaw(),
+			true,
+			false,
+			update_interval
+		);
+		// create message and add to list
+		ActiveObjectMessage aom(getId(), false, str);
+		m_messages_out.push_back(aom);
+	}
+
+	if(m_wielded_item_not_sent)
+	{
+		m_wielded_item_not_sent = false;
+		// GenericCAO has no special way to show this
+	}
+
+	if(m_armor_groups_sent == false){
+		m_armor_groups_sent = true;
+		std::string str = gob_cmd_update_armor_groups(
+				m_armor_groups);
+		// create message and add to list
+		ActiveObjectMessage aom(getId(), true, str);
+		m_messages_out.push_back(aom);
+	}
+}
+
+void PlayerSAO::setBasePosition(const v3f &position)
+{
+	ServerActiveObject::setBasePosition(position);
+	m_position_not_sent = true;
+}
+
+void PlayerSAO::setPos(v3f pos)
+{
+	m_player->setPosition(pos);
+	// Movement caused by this command is always valid
+	m_last_good_position = pos;
+	m_last_good_position_age = 0;
+	// Force position change on client
+	m_teleported = true;
+}
+
+void PlayerSAO::moveTo(v3f pos, bool continuous)
+{
+	m_player->setPosition(pos);
+	// Movement caused by this command is always valid
+	m_last_good_position = pos;
+	m_last_good_position_age = 0;
+	// Force position change on client
+	m_teleported = true;
+}
+
+int PlayerSAO::punch(v3f dir,
+	const ToolCapabilities *toolcap,
+	ServerActiveObject *puncher,
+	float time_from_last_punch)
+{
+	if(!toolcap)
+		return 0;
+
+	// No effect if PvP disabled
+	if(g_settings->getBool("enable_pvp") == false){
+		if(puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER){
+			std::string str = gob_cmd_punched(0, getHP());
+			// create message and add to list
+			ActiveObjectMessage aom(getId(), true, str);
+			m_messages_out.push_back(aom);
+			return 0;
+		}
+	}
+
+	HitParams hitparams = getHitParams(m_armor_groups, toolcap,
+			time_from_last_punch);
+
+	actionstream<<"Player "<<m_player->getName()<<" punched by "
+			<<puncher->getDescription()<<", damage "<<hitparams.hp
+			<<" HP"<<std::endl;
+
+	setHP(getHP() - hitparams.hp);
+
+	if(hitparams.hp != 0)
+	{
+		std::string str = gob_cmd_punched(hitparams.hp, getHP());
+		// create message and add to list
+		ActiveObjectMessage aom(getId(), true, str);
+		m_messages_out.push_back(aom);
+	}
+
+	return hitparams.wear;
+}
+
+void PlayerSAO::rightClick(ServerActiveObject *clicker)
+{
+}
+
+s16 PlayerSAO::getHP() const
+{
+	return m_player->hp;
+}
+
+void PlayerSAO::setHP(s16 hp)
+{
+	s16 oldhp = m_player->hp;
+
+	if(hp < 0)
+		hp = 0;
+	else if(hp > PLAYER_MAX_HP)
+		hp = PLAYER_MAX_HP;
+
+	if(hp < oldhp && g_settings->getBool("enable_damage") == false)
+	{
+		m_hp_not_sent = true; // fix wrong prediction on client
+		return;
+	}
+
+	m_player->hp = hp;
+
+	if(hp != oldhp)
+		m_hp_not_sent = true;
+
+	// On death or reincarnation send an active object message
+	if((hp == 0) != (oldhp == 0))
+	{
+		// Will send new is_visible value based on (getHP()!=0)
+		m_properties_sent = false;
+		// Send new HP
+		std::string str = gob_cmd_punched(0, getHP());
+		ActiveObjectMessage aom(getId(), true, str);
+		m_messages_out.push_back(aom);
+	}
+}
+
+void PlayerSAO::setArmorGroups(const ItemGroupList &armor_groups)
+{
+	m_armor_groups = armor_groups;
+	m_armor_groups_sent = false;
+}
+
+Inventory* PlayerSAO::getInventory()
+{
+	return m_inventory;
+}
+const Inventory* PlayerSAO::getInventory() const
+{
+	return m_inventory;
+}
+
+InventoryLocation PlayerSAO::getInventoryLocation() const
+{
+	InventoryLocation loc;
+	loc.setPlayer(m_player->getName());
+	return loc;
+}
+
+void PlayerSAO::setInventoryModified()
+{
+	m_inventory_not_sent = true;
+}
+
+std::string PlayerSAO::getWieldList() const
+{
+	return "main";
+}
+
+int PlayerSAO::getWieldIndex() const
+{
+	return m_wield_index;
+}
+
+void PlayerSAO::setWieldIndex(int i)
+{
+	if(i != m_wield_index)
+	{
+		m_wield_index = i;
+		m_wielded_item_not_sent = true;
+	}
+}
+
+void PlayerSAO::disconnected()
+{
+	m_peer_id = 0;
+	m_removed = true;
+	if(m_player->getPlayerSAO() == this)
+	{
+		m_player->setPlayerSAO(NULL);
+		m_player->peer_id = 0;
+	}
+}
+
+void PlayerSAO::createCreativeInventory()
+{
+	if(m_inventory != &m_player->inventory)
+		delete m_inventory;
+
+	m_inventory = new Inventory(m_player->inventory);
+	m_inventory->clearContents();
+	scriptapi_get_creative_inventory(m_env->getLua(), this);
+}
+
+std::string PlayerSAO::getPropertyPacket()
+{
+	core::array<std::string> textures;
+	textures.push_back("player.png");
+	textures.push_back("player_back.png");
+	return gob_cmd_set_properties(
+		PLAYER_MAX_HP,
+		false,
+		75,
+		core::aabbox3d<f32>(-1/3.,-1.0,-1/3., 1/3.,1.0,1/3.),
+		"upright_sprite",
+		v2f(1, 2),
+		textures,
+		v2s16(1,1),
+		(getHP() != 0), // is_visible
+		true // makes_footstep_sound
+	);
 }