X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fserverobject.cpp;h=1ed33f66b88c0e7d0cd2760b6b42bb1bbe5e9198;hb=8f73ec6c6c18ea5676261064399a650911333da5;hp=aa36dad922b99aab9474b8d7126acd83e8457a94;hpb=c9967d6d07a4863f2278376b34bb68d86392e902;p=minetest.git

diff --git a/src/serverobject.cpp b/src/serverobject.cpp
index aa36dad92..1ed33f66b 100644
--- a/src/serverobject.cpp
+++ b/src/serverobject.cpp
@@ -1,669 +1,83 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "serverobject.h"
 #include <fstream>
-#include "environment.h"
 #include "inventory.h"
-#include "collision.h"
+#include "constants.h" // BS
+#include "log.h"
 
-core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
-
-ServerActiveObject::ServerActiveObject(ServerEnvironment *env, u16 id, v3f pos):
-	ActiveObject(id),
-	m_known_by_count(0),
-	m_removed(false),
-	m_static_exists(false),
-	m_static_block(1337,1337,1337),
+ServerActiveObject::ServerActiveObject(ServerEnvironment *env, v3f pos):
+	ActiveObject(0),
 	m_env(env),
 	m_base_position(pos)
 {
 }
 
-ServerActiveObject::~ServerActiveObject()
-{
-}
-
-ServerActiveObject* ServerActiveObject::create(u8 type,
+ServerActiveObject* ServerActiveObject::create(ActiveObjectType type,
 		ServerEnvironment *env, u16 id, v3f pos,
 		const std::string &data)
 {
 	// Find factory function
-	core::map<u16, Factory>::Node *n;
+	std::map<u16, Factory>::iterator n;
 	n = m_types.find(type);
-	if(n == NULL)
-	{
+	if(n == m_types.end()) {
+		// These are 0.3 entity types, return without error.
+		if (ACTIVEOBJECT_TYPE_ITEM <= type && type <= ACTIVEOBJECT_TYPE_MOBV2) {
+			return NULL;
+		}
+
 		// If factory is not found, just return.
-		dstream<<"WARNING: ServerActiveObject: No factory for type="
+		warningstream<<"ServerActiveObject: No factory for type="
 				<<type<<std::endl;
 		return NULL;
 	}
 
-	Factory f = n->getValue();
-	ServerActiveObject *object = (*f)(env, id, pos, data);
+	Factory f = n->second;
+	ServerActiveObject *object = (*f)(env, pos, data);
 	return object;
 }
 
 void ServerActiveObject::registerType(u16 type, Factory f)
 {
-	core::map<u16, Factory>::Node *n;
+	std::map<u16, Factory>::iterator n;
 	n = m_types.find(type);
-	if(n)
-		return;
-	m_types.insert(type, f);
-}
-
-
-/*
-	TestSAO
-*/
-
-// Prototype
-TestSAO proto_TestSAO(NULL, 0, v3f(0,0,0));
-
-TestSAO::TestSAO(ServerEnvironment *env, u16 id, v3f pos):
-	ServerActiveObject(env, id, pos),
-	m_timer1(0),
-	m_age(0)
-{
-	ServerActiveObject::registerType(getType(), create);
-}
-
-ServerActiveObject* TestSAO::create(ServerEnvironment *env, u16 id, v3f pos,
-		const std::string &data)
-{
-	return new TestSAO(env, id, pos);
-}
-
-void TestSAO::step(float dtime, Queue<ActiveObjectMessage> &messages,
-		bool send_recommended)
-{
-	m_age += dtime;
-	if(m_age > 10)
-	{
-		m_removed = true;
-		return;
-	}
-
-	m_base_position.Y += dtime * BS * 2;
-	if(m_base_position.Y > 8*BS)
-		m_base_position.Y = 2*BS;
-
-	if(send_recommended == false)
-		return;
-
-	m_timer1 -= dtime;
-	if(m_timer1 < 0.0)
-	{
-		m_timer1 += 0.125;
-		//dstream<<"TestSAO: id="<<getId()<<" sending data"<<std::endl;
-
-		std::string data;
-
-		data += itos(0); // 0 = position
-		data += " ";
-		data += itos(m_base_position.X);
-		data += " ";
-		data += itos(m_base_position.Y);
-		data += " ";
-		data += itos(m_base_position.Z);
-
-		ActiveObjectMessage aom(getId(), false, data);
-		messages.push_back(aom);
-	}
-}
-
-
-/*
-	ItemSAO
-*/
-
-// Prototype
-ItemSAO proto_ItemSAO(NULL, 0, v3f(0,0,0), "");
-
-ItemSAO::ItemSAO(ServerEnvironment *env, u16 id, v3f pos,
-		const std::string inventorystring):
-	ServerActiveObject(env, id, pos),
-	m_inventorystring(inventorystring),
-	m_speed_f(0,0,0),
-	m_last_sent_position(0,0,0)
-{
-	ServerActiveObject::registerType(getType(), create);
-}
-
-ServerActiveObject* ItemSAO::create(ServerEnvironment *env, u16 id, v3f pos,
-		const std::string &data)
-{
-	std::istringstream is(data, std::ios::binary);
-	char buf[1];
-	// read version
-	is.read(buf, 1);
-	u8 version = buf[0];
-	// check if version is supported
-	if(version != 0)
-		return NULL;
-	std::string inventorystring = deSerializeString(is);
-	dstream<<"ItemSAO::create(): Creating item \""
-			<<inventorystring<<"\""<<std::endl;
-	return new ItemSAO(env, id, pos, inventorystring);
-}
-
-void ItemSAO::step(float dtime, Queue<ActiveObjectMessage> &messages,
-		bool send_recommended)
-{
-	assert(m_env);
-
-	const float interval = 0.2;
-	if(m_move_interval.step(dtime, interval)==false)
-		return;
-	dtime = interval;
-	
-	core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
-	collisionMoveResult moveresult;
-	// Apply gravity
-	m_speed_f += v3f(0, -dtime*9.81*BS, 0);
-	// Maximum movement without glitches
-	f32 pos_max_d = BS*0.25;
-	// Limit speed
-	if(m_speed_f.getLength()*dtime > pos_max_d)
-		m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
-	v3f pos_f = getBasePosition();
-	v3f pos_f_old = pos_f;
-	moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
-			box, dtime, pos_f, m_speed_f);
-	
-	if(send_recommended == false)
+	if(n != m_types.end())
 		return;
-
-	if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
-	{
-		setBasePosition(pos_f);
-		m_last_sent_position = pos_f;
-
-		std::ostringstream os(std::ios::binary);
-		char buf[6];
-		// command (0 = update position)
-		buf[0] = 0;
-		os.write(buf, 1);
-		// pos
-		writeS32((u8*)buf, m_base_position.X*1000);
-		os.write(buf, 4);
-		writeS32((u8*)buf, m_base_position.Y*1000);
-		os.write(buf, 4);
-		writeS32((u8*)buf, m_base_position.Z*1000);
-		os.write(buf, 4);
-		// create message and add to list
-		ActiveObjectMessage aom(getId(), false, os.str());
-		messages.push_back(aom);
-	}
-}
-
-std::string ItemSAO::getClientInitializationData()
-{
-	std::ostringstream os(std::ios::binary);
-	char buf[6];
-	// version
-	buf[0] = 0;
-	os.write(buf, 1);
-	// pos
-	writeS32((u8*)buf, m_base_position.X*1000);
-	os.write(buf, 4);
-	writeS32((u8*)buf, m_base_position.Y*1000);
-	os.write(buf, 4);
-	writeS32((u8*)buf, m_base_position.Z*1000);
-	os.write(buf, 4);
-	// inventorystring
-	os<<serializeString(m_inventorystring);
-	return os.str();
+	m_types[type] = f;
 }
 
-std::string ItemSAO::getStaticData()
+float ServerActiveObject::getMinimumSavedMovement()
 {
-	dstream<<__FUNCTION_NAME<<std::endl;
-	std::ostringstream os(std::ios::binary);
-	char buf[1];
-	// version
-	buf[0] = 0;
-	os.write(buf, 1);
-	// inventorystring
-	os<<serializeString(m_inventorystring);
-	return os.str();
-}
-
-InventoryItem * ItemSAO::createInventoryItem()
-{
-	try{
-		std::istringstream is(m_inventorystring, std::ios_base::binary);
-		InventoryItem *item = InventoryItem::deSerialize(is);
-		dstream<<__FUNCTION_NAME<<": m_inventorystring=\""
-				<<m_inventorystring<<"\" -> item="<<item
-				<<std::endl;
-		return item;
-	}
-	catch(SerializationError &e)
-	{
-		dstream<<__FUNCTION_NAME<<": serialization error: "
-				<<"m_inventorystring=\""<<m_inventorystring<<"\""<<std::endl;
-		return NULL;
-	}
+	return 2.0*BS;
 }
 
-
-/*
-	RatSAO
-*/
-
-// Prototype
-RatSAO proto_RatSAO(NULL, 0, v3f(0,0,0));
-
-RatSAO::RatSAO(ServerEnvironment *env, u16 id, v3f pos):
-	ServerActiveObject(env, id, pos),
-	m_is_active(false),
-	m_speed_f(0,0,0)
+ItemStack ServerActiveObject::getWieldedItem(ItemStack *selected, ItemStack *hand) const
 {
-	ServerActiveObject::registerType(getType(), create);
+	*selected = ItemStack();
+	if (hand)
+		*hand = ItemStack();
 
-	m_oldpos = v3f(0,0,0);
-	m_last_sent_position = v3f(0,0,0);
-	m_yaw = 0;
-	m_counter1 = 0;
-	m_counter2 = 0;
-	m_age = 0;
-	m_touching_ground = false;
+	return ItemStack();
 }
 
-ServerActiveObject* RatSAO::create(ServerEnvironment *env, u16 id, v3f pos,
-		const std::string &data)
+bool ServerActiveObject::setWieldedItem(const ItemStack &item)
 {
-	std::istringstream is(data, std::ios::binary);
-	char buf[1];
-	// read version
-	is.read(buf, 1);
-	u8 version = buf[0];
-	// check if version is supported
-	if(version != 0)
-		return NULL;
-	return new RatSAO(env, id, pos);
+	return false;
 }
-
-void RatSAO::step(float dtime, Queue<ActiveObjectMessage> &messages,
-		bool send_recommended)
-{
-	assert(m_env);
-
-	if(m_is_active == false)
-	{
-		if(m_inactive_interval.step(dtime, 0.5)==false)
-			return;
-	}
-
-	/*
-		The AI
-	*/
-
-	/*m_age += dtime;
-	if(m_age > 60)
-	{
-		// Die
-		m_removed = true;
-		return;
-	}*/
-
-	// Apply gravity
-	m_speed_f.Y -= dtime*9.81*BS;
-
-	/*
-		Move around if some player is close
-	*/
-	bool player_is_close = false;
-	// Check connected players
-	core::list<Player*> players = m_env->getPlayers(true);
-	core::list<Player*>::Iterator i;
-	for(i = players.begin();
-			i != players.end(); i++)
-	{
-		Player *player = *i;
-		v3f playerpos = player->getPosition();
-		if(m_base_position.getDistanceFrom(playerpos) < BS*10.0)
-		{
-			player_is_close = true;
-			break;
-		}
-	}
-
-	m_is_active = player_is_close;
-	
-	if(player_is_close == false)
-	{
-		m_speed_f.X = 0;
-		m_speed_f.Z = 0;
-	}
-	else
-	{
-		// Move around
-		v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
-		f32 speed = 2*BS;
-		m_speed_f.X = speed * dir.X;
-		m_speed_f.Z = speed * dir.Z;
-
-		if(m_touching_ground && (m_oldpos - m_base_position).getLength()
-				< dtime*speed/2)
-		{
-			m_counter1 -= dtime;
-			if(m_counter1 < 0.0)
-			{
-				m_counter1 += 1.0;
-				m_speed_f.Y = 5.0*BS;
-			}
-		}
-
-		{
-			m_counter2 -= dtime;
-			if(m_counter2 < 0.0)
-			{
-				m_counter2 += (float)(myrand()%100)/100*3.0;
-				m_yaw += ((float)(myrand()%200)-100)/100*180;
-				m_yaw = wrapDegrees(m_yaw);
-			}
-		}
-	}
-	
-	m_oldpos = m_base_position;
-
-	/*
-		Move it, with collision detection
-	*/
-
-	core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
-	collisionMoveResult moveresult;
-	// Maximum movement without glitches
-	f32 pos_max_d = BS*0.25;
-	// Limit speed
-	if(m_speed_f.getLength()*dtime > pos_max_d)
-		m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
-	v3f pos_f = getBasePosition();
-	v3f pos_f_old = pos_f;
-	moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
-			box, dtime, pos_f, m_speed_f);
-	m_touching_ground = moveresult.touching_ground;
-	
-	setBasePosition(pos_f);
-
-	if(send_recommended == false)
-		return;
-
-	if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
-	{
-		m_last_sent_position = pos_f;
-
-		std::ostringstream os(std::ios::binary);
-		// command (0 = update position)
-		writeU8(os, 0);
-		// pos
-		writeV3F1000(os, m_base_position);
-		// yaw
-		writeF1000(os, m_yaw);
-		// create message and add to list
-		ActiveObjectMessage aom(getId(), false, os.str());
-		messages.push_back(aom);
-	}
-}
-
-std::string RatSAO::getClientInitializationData()
-{
-	std::ostringstream os(std::ios::binary);
-	// version
-	writeU8(os, 0);
-	// pos
-	writeV3F1000(os, m_base_position);
-	return os.str();
-}
-
-std::string RatSAO::getStaticData()
-{
-	//dstream<<__FUNCTION_NAME<<std::endl;
-	std::ostringstream os(std::ios::binary);
-	// version
-	writeU8(os, 0);
-	return os.str();
-}
-
-InventoryItem* RatSAO::createPickedUpItem()
-{
-	std::istringstream is("CraftItem rat 1", std::ios_base::binary);
-	InventoryItem *item = InventoryItem::deSerialize(is);
-	return item;
-}
-
-/*
-	Oerkki1SAO
-*/
-
-// Prototype
-Oerkki1SAO proto_Oerkki1SAO(NULL, 0, v3f(0,0,0));
-
-Oerkki1SAO::Oerkki1SAO(ServerEnvironment *env, u16 id, v3f pos):
-	ServerActiveObject(env, id, pos),
-	m_is_active(false),
-	m_speed_f(0,0,0)
-{
-	ServerActiveObject::registerType(getType(), create);
-
-	m_oldpos = v3f(0,0,0);
-	m_last_sent_position = v3f(0,0,0);
-	m_yaw = 0;
-	m_counter1 = 0;
-	m_counter2 = 0;
-	m_age = 0;
-	m_touching_ground = false;
-	m_hp = 20;
-}
-
-ServerActiveObject* Oerkki1SAO::create(ServerEnvironment *env, u16 id, v3f pos,
-		const std::string &data)
-{
-	std::istringstream is(data, std::ios::binary);
-	// read version
-	u8 version = readU8(is);
-	// read hp
-	u8 hp = readU8(is);
-	// check if version is supported
-	if(version != 0)
-		return NULL;
-	Oerkki1SAO *o = new Oerkki1SAO(env, id, pos);
-	o->m_hp = hp;
-	return o;
-}
-
-void Oerkki1SAO::step(float dtime, Queue<ActiveObjectMessage> &messages,
-		bool send_recommended)
-{
-	assert(m_env);
-
-	if(m_is_active == false)
-	{
-		if(m_inactive_interval.step(dtime, 0.5)==false)
-			return;
-	}
-
-	/*
-		The AI
-	*/
-
-	m_age += dtime;
-	if(m_age > 120)
-	{
-		// Die
-		m_removed = true;
-		return;
-	}
-
-	// Apply gravity
-	m_speed_f.Y -= dtime*9.81*BS;
-
-	/*
-		Move around if some player is close
-	*/
-	bool player_is_close = false;
-	v3f near_player_pos;
-	// Check connected players
-	core::list<Player*> players = m_env->getPlayers(true);
-	core::list<Player*>::Iterator i;
-	for(i = players.begin();
-			i != players.end(); i++)
-	{
-		Player *player = *i;
-		v3f playerpos = player->getPosition();
-		if(m_base_position.getDistanceFrom(playerpos) < BS*15.0)
-		{
-			player_is_close = true;
-			near_player_pos = playerpos;
-			break;
-		}
-	}
-
-	m_is_active = player_is_close;
-	
-	if(player_is_close == false)
-	{
-		m_speed_f.X = 0;
-		m_speed_f.Z = 0;
-	}
-	else
-	{
-		// Move around
-
-		v3f ndir = near_player_pos - m_base_position;
-		ndir.Y = 0;
-		ndir /= ndir.getLength();
-		f32 nyaw = 180./PI*atan2(ndir.Z,ndir.X);
-		if(nyaw < m_yaw - 180)
-			nyaw += 360;
-		else if(nyaw > m_yaw + 180)
-			nyaw -= 360;
-		m_yaw = 0.95*m_yaw + 0.05*nyaw;
-		m_yaw = wrapDegrees(m_yaw);
-
-		v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
-		f32 speed = 2*BS;
-		m_speed_f.X = speed * dir.X;
-		m_speed_f.Z = speed * dir.Z;
-
-		if(m_touching_ground && (m_oldpos - m_base_position).getLength()
-				< dtime*speed/2)
-		{
-			m_counter1 -= dtime;
-			if(m_counter1 < 0.0)
-			{
-				m_counter1 += 1.0;
-				// Jump
-				m_speed_f.Y = 5.0*BS;
-			}
-		}
-
-		{
-			m_counter2 -= dtime;
-			if(m_counter2 < 0.0)
-			{
-				m_counter2 += (float)(myrand()%100)/100*3.0;
-				//m_yaw += ((float)(myrand()%200)-100)/100*180;
-				m_yaw += ((float)(myrand()%200)-100)/100*90;
-				m_yaw = wrapDegrees(m_yaw);
-			}
-		}
-	}
-	
-	m_oldpos = m_base_position;
-
-	/*
-		Move it, with collision detection
-	*/
-
-	core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*5./3.,BS/3.);
-	collisionMoveResult moveresult;
-	// Maximum movement without glitches
-	f32 pos_max_d = BS*0.25;
-	// Limit speed
-	if(m_speed_f.getLength()*dtime > pos_max_d)
-		m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
-	v3f pos_f = getBasePosition();
-	v3f pos_f_old = pos_f;
-	moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
-			box, dtime, pos_f, m_speed_f);
-	m_touching_ground = moveresult.touching_ground;
-	
-	setBasePosition(pos_f);
-
-	if(send_recommended == false)
-		return;
-
-	if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
-	{
-		m_last_sent_position = pos_f;
-
-		std::ostringstream os(std::ios::binary);
-		// command (0 = update position)
-		writeU8(os, 0);
-		// pos
-		writeV3F1000(os, m_base_position);
-		// yaw
-		writeF1000(os, m_yaw);
-		// create message and add to list
-		ActiveObjectMessage aom(getId(), false, os.str());
-		messages.push_back(aom);
-	}
-}
-
-std::string Oerkki1SAO::getClientInitializationData()
-{
-	std::ostringstream os(std::ios::binary);
-	// version
-	writeU8(os, 0);
-	// pos
-	writeV3F1000(os, m_base_position);
-	return os.str();
-}
-
-std::string Oerkki1SAO::getStaticData()
-{
-	//dstream<<__FUNCTION_NAME<<std::endl;
-	std::ostringstream os(std::ios::binary);
-	// version
-	writeU8(os, 0);
-	// hp
-	writeU8(os, m_hp);
-	return os.str();
-}
-
-u16 Oerkki1SAO::punch(const std::string &toolname)
-{
-	u16 amount = 5;
-	if(amount < m_hp)
-	{
-		m_hp -= amount;
-	}
-	else
-	{
-		// Die
-		m_removed = true;
-	}
-	return 65536/100;
-}
-
-