X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fclientobject.cpp;h=37f693c5e1310d0b4306fa9ff720b684db1e9adf;hb=63867b1a372a4d1a4a4ffdec9d0862b094211a89;hp=bb4497e94ad23c4ffe39e5755fa8d9bc21fe28b3;hpb=62e79125775123f1889131b42caaeeb5f1cf015a;p=minetest.git

diff --git a/src/clientobject.cpp b/src/clientobject.cpp
index bb4497e94..37f693c5e 100644
--- a/src/clientobject.cpp
+++ b/src/clientobject.cpp
@@ -1,18 +1,18 @@
 /*
-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.
 */
@@ -21,650 +21,50 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "debug.h"
 #include "porting.h"
 #include "constants.h"
-#include "utility.h"
-
-ClientActiveObject::ClientActiveObject(u16 id):
-	ActiveObject(id)
-{
-}
-
-ClientActiveObject::~ClientActiveObject()
-{
-	removeFromScene();
-}
-
-ClientActiveObject* ClientActiveObject::create(u8 type)
-{
-	if(type == ACTIVEOBJECT_TYPE_INVALID)
-	{
-		dstream<<"ClientActiveObject::create(): passed "
-				<<"ACTIVEOBJECT_TYPE_INVALID"<<std::endl;
-		return NULL;
-	}
-	else if(type == ACTIVEOBJECT_TYPE_TEST)
-	{
-		dstream<<"ClientActiveObject::create(): passed "
-				<<"ACTIVEOBJECT_TYPE_TEST"<<std::endl;
-		return new TestCAO(0);
-	}
-	else if(type == ACTIVEOBJECT_TYPE_LUA)
-	{
-		dstream<<"ClientActiveObject::create(): passed "
-				<<"ACTIVEOBJECT_TYPE_LUA"<<std::endl;
-		return new LuaCAO(0);
-	}
-	else
-	{
-		dstream<<"ClientActiveObject::create(): passed "
-				<<"unknown type="<<type<<std::endl;
-		return NULL;
-	}
-}
-
-/*
-	TestCAO
-*/
-
-TestCAO::TestCAO(u16 id):
-	ClientActiveObject(id),
-	m_node(NULL),
-	m_position(v3f(0,10*BS,0))
-{
-}
-
-TestCAO::~TestCAO()
-{
-}
-
-void TestCAO::addToScene(scene::ISceneManager *smgr)
-{
-	if(m_node != NULL)
-		return;
-	
-	video::IVideoDriver* driver = smgr->getVideoDriver();
-	
-	scene::SMesh *mesh = new scene::SMesh();
-	scene::IMeshBuffer *buf = new scene::SMeshBuffer();
-	video::SColor c(255,255,255,255);
-	video::S3DVertex vertices[4] =
-	{
-		video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
-		video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
-		video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
-		video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
-	};
-	u16 indices[] = {0,1,2,2,3,0};
-	buf->append(vertices, 4, indices, 6);
-	// Set material
-	buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
-	buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
-	buf->getMaterial().setTexture
-			(0, driver->getTexture(porting::getDataPath("rat.png").c_str()));
-	buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
-	buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
-	buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
-	// Add to mesh
-	mesh->addMeshBuffer(buf);
-	buf->drop();
-	m_node = smgr->addMeshSceneNode(mesh, NULL);
-	mesh->drop();
-	updateNodePos();
-}
-
-void TestCAO::removeFromScene()
-{
-	if(m_node == NULL)
-		return;
-
-	m_node->remove();
-	m_node = NULL;
-}
-
-void TestCAO::updateLight(u8 light_at_pos)
-{
-}
-
-v3s16 TestCAO::getLightPosition()
-{
-	return floatToInt(m_position, BS);
-}
-
-void TestCAO::updateNodePos()
-{
-	if(m_node == NULL)
-		return;
-
-	m_node->setPosition(m_position);
-	//m_node->setRotation(v3f(0, 45, 0));
-}
-
-void TestCAO::step(float dtime)
-{
-	if(m_node)
-	{
-		v3f rot = m_node->getRotation();
-		//dstream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
-		rot.Y += dtime * 180;
-		m_node->setRotation(rot);
-	}
-}
-
-void TestCAO::processMessage(const std::string &data)
-{
-	dstream<<"TestCAO: Got data: "<<data<<std::endl;
-	std::istringstream is(data, std::ios::binary);
-	u16 cmd;
-	is>>cmd;
-	if(cmd == 0)
-	{
-		v3f newpos;
-		is>>newpos.X;
-		is>>newpos.Y;
-		is>>newpos.Z;
-		m_position = newpos;
-		updateNodePos();
-	}
-}
-
-/*
-	LuaCAO
-*/
-
-extern "C"{
-#include "lstring.h"
-}
-
-/*
-	Functions for calling from script:
-
-	object_set_position(self, x, y, z)
-	object_set_rotation(self, x, y, z)
-	object_add_to_mesh(self, image, corners, backface_culling)
-	object_clear_mesh(self)
-
-	Callbacks in script:
-
-	step(self, dtime)
-	process_message(self, data)
-	initialize(self, data)
-	TODO:
-	string status_text(self)
-*/
-
-/*
-	object_set_position(self, x, y, z)
-*/
-static int lf_object_set_position(lua_State *L)
-{
-	// 4: z
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	// 3: y
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	// 2: x
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	// 1: self
-	LuaCAO *self = (LuaCAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-	
-	self->setPosition(v3f(x*BS,y*BS,z*BS));
-	
-	return 0; // Number of return values
-}
-
-/*
-	object_set_rotation(self, x, y, z)
-*/
-static int lf_object_set_rotation(lua_State *L)
-{
-	// 4: z
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	// 3: y
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	// 2: x
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	// 1: self
-	LuaCAO *self = (LuaCAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-	
-	self->setRotation(v3f(x,y,z));
-	
-	return 0; // Number of return values
-}
 
 /*
-	object_add_to_mesh(self, image, corners, backface_culling)
-	corners is an array like this:
-	{{x,y,z},{x,y,z},{x,y,z},{x,y,z}}
+	ClientActiveObject
 */
-static int lf_object_add_to_mesh(lua_State *L)
-{
-	// 4: backface_culling
-	bool backface_culling = lua_toboolean(L, -1);
-	lua_pop(L, 1);
-	// 3: corners
-	if(lua_istable(L, -1) == false)
-	{
-		dstream<<"ERROR: object_add_to_mesh(): parameter 3 not a table"
-				<<std::endl;
-		return 0;
-	}
-	v3f corners[4];
-	// Loop table
-	for(int i=0; i<4; i++)
-	{
-		// Get child table
-		lua_pushinteger(L, i+1);
-		lua_gettable(L, -2);
-		if(lua_istable(L, -1) == false)
-		{
-			dstream<<"ERROR: object_add_to_mesh(): parameter 3 not a"
-					" table of tables"<<std::endl;
-			return 0;
-		}
-
-		// Get x, y and z from the child table
-		
-		lua_pushinteger(L, 1);
-		lua_gettable(L, -2);
-		corners[i].X = lua_tonumber(L, -1) * BS;
-		lua_pop(L, 1);
-
-		lua_pushinteger(L, 2);
-		lua_gettable(L, -2);
-		corners[i].Y = lua_tonumber(L, -1) * BS;
-		lua_pop(L, 1);
-
-		lua_pushinteger(L, 3);
-		lua_gettable(L, -2);
-		corners[i].Z = lua_tonumber(L, -1) * BS;
-		lua_pop(L, 1);
-
-		// Pop child table
-		lua_pop(L, 1);
-	}
-	lua_pop(L, 1);
-	// 2: image
-	const char *image = lua_tostring(L, -1);
-	lua_pop(L, 1);
-	// 1: self
-	LuaCAO *self = (LuaCAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
 
-	assert(self);
-	
-	self->addToMesh(image, corners, backface_culling);
-	
-	return 0; // Number of return values
-}
-
-/*
-	object_clear_mesh(self)
-*/
-static int lf_object_clear_mesh(lua_State *L)
+ClientActiveObject::ClientActiveObject(u16 id, IGameDef *gamedef,
+		ClientEnvironment *env):
+	ActiveObject(id),
+	m_gamedef(gamedef),
+	m_env(env)
 {
-	// 1: self
-	LuaCAO *self = (LuaCAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-
-	self->clearMesh();
-
-	return 0;
 }
 
-LuaCAO::LuaCAO(u16 id):
-	ClientActiveObject(id),
-	L(NULL),
-	m_smgr(NULL),
-	m_node(NULL),
-	m_mesh(NULL),
-	m_position(v3f(0,10*BS,0))
-{
-	dstream<<"LuaCAO::LuaCAO(): id="<<id<<std::endl;
-	L = lua_open();
-	assert(L);
-	
-	// Load libraries
-	luaopen_base(L);
-	luaopen_table(L);
-	luaopen_string(L);
-	luaopen_math(L);
-
-	// Disable some stuff
-	const char *to_disable[] = {
-		"arg",
-		"debug",
-		"dofile",
-		"io",
-		"loadfile",
-		"os",
-		"package",
-		"require",
-		NULL
-	};
-	const char **td = to_disable;
-	do{
-		lua_pushnil(L);
-		lua_setglobal(L, *td);
-	}while(*(++td));
-	
-	// Add globals
-	//lua_pushlightuserdata(L, this);
-	//lua_setglobal(L, "self");
-	
-	// Register functions
-	lua_register(L, "object_set_position", lf_object_set_position);
-	lua_register(L, "object_set_rotation", lf_object_set_rotation);
-	lua_register(L, "object_add_to_mesh", lf_object_add_to_mesh);
-	lua_register(L, "object_clear_mesh", lf_object_clear_mesh);
-}
-
-LuaCAO::~LuaCAO()
-{
-	lua_close(L);
-}
-
-void LuaCAO::step(float dtime)
-{
-	/*
-		Call step(self, dtime) from lua
-	*/
-	
-	const char *funcname = "step";
-	lua_getglobal(L, funcname);
-	if(!lua_isfunction(L,-1))
-	{
-		lua_pop(L,1);
-		dstream<<"WARNING: LuaCAO: Function not found: "
-				<<funcname<<std::endl;
-		return;
-	}
-	
-	// Parameters:
-	// 1: self
-	lua_pushlightuserdata(L, this);
-	// 2: dtime
-	lua_pushnumber(L, dtime);
-	
-	// Call (2 parameters, 0 result)
-	if(lua_pcall(L, 2, 0, 0))
-	{
-		dstream<<"WARNING: LuaCAO: Error running function "
-				<<funcname<<": "
-				<<lua_tostring(L,-1)<<std::endl;
-		return;
-	}
-}
-
-void LuaCAO::processMessage(const std::string &data)
-{
-	/*
-		Call process_message(self, data) from lua
-	*/
-	
-	const char *funcname = "process_message";
-	lua_getglobal(L, funcname);
-	if(!lua_isfunction(L,-1))
-	{
-		lua_pop(L,1);
-		dstream<<"WARNING: LuaCAO: Function not found: "
-				<<funcname<<std::endl;
-		return;
-	}
-	
-	// Parameters:
-	// 1: self
-	lua_pushlightuserdata(L, this);
-	// 2: data
-	lua_pushlstring(L, data.c_str(), data.size());
-	
-	// Call (2 parameters, 0 results)
-	if(lua_pcall(L, 2, 1, 0))
-	{
-		dstream<<"WARNING: LuaCAO: Error running function "
-				<<funcname<<": "
-				<<lua_tostring(L,-1)<<std::endl;
-		return;
-	}
-}
-
-void LuaCAO::initialize(const std::string &data)
-{
-	dstream<<"LuaCAO::initialize(): id="<<getId()<<std::endl;
-
-	std::istringstream is(data, std::ios::binary);
-	std::string script = deSerializeLongString(is);
-	std::string other = deSerializeLongString(is);
-
-	/*dstream<<"=== script (size="<<script.size()<<")"<<std::endl
-			<<script<<std::endl
-			<<"==="<<std::endl;*/
-	dstream<<"LuaCAO::initialize(): script size="<<script.size()<<std::endl;
-	
-	/*dstream<<"other.size()="<<other.size()<<std::endl;
-	dstream<<"other=\""<<other<<"\""<<std::endl;*/
-	
-	// Load the script to lua
-	loadScript(script);
-
-	/*
-		Call initialize(self, data) in the script
-	*/
-	
-	const char *funcname = "initialize";
-	lua_getglobal(L, funcname);
-	if(!lua_isfunction(L,-1))
-	{
-		lua_pop(L,1);
-		dstream<<"WARNING: LuaCAO: Function not found: "
-				<<funcname<<std::endl;
-		return;
-	}
-	
-	// Parameters:
-	// 1: self
-	lua_pushlightuserdata(L, this);
-	// 2: data (other)
-	lua_pushlstring(L, other.c_str(), other.size());
-	
-	// Call (2 parameters, 0 result)
-	if(lua_pcall(L, 2, 0, 0))
-	{
-		dstream<<"WARNING: LuaCAO: Error running function "
-				<<funcname<<": "
-				<<lua_tostring(L,-1)<<std::endl;
-		return;
-	}
-
-}
-
-void LuaCAO::loadScript(const std::string script)
-{
-	int ret;
-	ret = luaL_loadstring(L, script.c_str());
-	if(ret)
-	{
-		const char *message = lua_tostring(L, -1);
-		lua_pop(L, 1);
-		dstream<<"LuaCAO::loadScript(): lua_loadstring failed: "
-				<<message<<std::endl;
-		assert(0);
-		return;
-	}
-	ret = lua_pcall(L, 0, 0, 0);
-	if(ret)
-	{
-		const char *message = lua_tostring(L, -1);
-		lua_pop(L, 1);
-		dstream<<"LuaCAO::loadScript(): lua_pcall failed: "
-				<<message<<std::endl;
-		assert(0);
-		return;
-	}
-}
-
-void LuaCAO::addToScene(scene::ISceneManager *smgr)
-{
-	if(m_smgr != NULL)
-	{
-		dstream<<"WARNING: LuaCAO::addToScene() called more than once"
-				<<std::endl;
-		return;
-	}
-
-	if(m_node != NULL)
-	{
-		dstream<<"WARNING: LuaCAO::addToScene(): m_node != NULL"
-				<<std::endl;
-		return;
-	}
-	
-	m_smgr = smgr;
-	
-	if(m_mesh == NULL)
-	{
-		m_mesh = new scene::SMesh();
-		m_node = smgr->addMeshSceneNode(m_mesh, NULL);
-		
-		/*v3f corners[4] = {
-			v3f(-BS/2,-BS/4,0),
-			v3f(BS/2,-BS/4,0),
-			v3f(BS/2,BS/4,0),
-			v3f(-BS/2,BS/4,0),
-		};
-		addToMesh("rat.png", corners, false);*/
-	}
-	else
-	{
-		dstream<<"WARNING: LuaCAO::addToScene(): m_mesh != NULL"
-				<<std::endl;
-		return;
-	}
-	
-	updateNodePos();
-}
-
-void LuaCAO::addToMesh(const char *image, v3f *corners, bool backface_culling)
+ClientActiveObject::~ClientActiveObject()
 {
-	dstream<<"INFO: addToMesh called"<<std::endl;
-
-	video::IVideoDriver* driver = m_smgr->getVideoDriver();
-	
-	assert(m_mesh);
-		
-	scene::IMeshBuffer *buf = new scene::SMeshBuffer();
-	video::SColor c(255,255,255,255);
-	video::S3DVertex vertices[4] =
-	{
-		video::S3DVertex(corners[0], v3f(0,0,0), c, v2f(0,1)),
-		video::S3DVertex(corners[1], v3f(0,0,0), c, v2f(1,1)),
-		video::S3DVertex(corners[2], v3f(0,0,0), c, v2f(1,0)),
-		video::S3DVertex(corners[3], v3f(0,0,0), c, v2f(0,0)),
-		/*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
-		video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
-		video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
-		video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
-	};
-	u16 indices[] = {0,1,2,2,3,0};
-	buf->append(vertices, 4, indices, 6);
-	// Set material
-	buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
-	buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
-	buf->getMaterial().setTexture
-			(0, driver->getTexture(porting::getDataPath(image).c_str()));
-	buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
-	buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
-	buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
-	// Add to mesh
-	m_mesh->addMeshBuffer(buf);
-	buf->drop();
-	// Reset mesh
-	if(m_node)
-		m_node->setMesh(m_mesh);
+	removeFromScene(true);
 }
 
-void LuaCAO::clearMesh()
+ClientActiveObject* ClientActiveObject::create(u8 type, IGameDef *gamedef,
+		ClientEnvironment *env)
 {
-	if(m_node)
-	{
-		m_node->setMesh(NULL);
-	}
-	
-	if(m_mesh)
+	// Find factory function
+	std::map<u16, Factory>::iterator n;
+	n = m_types.find(type);
+	if(n == m_types.end())
 	{
-		m_mesh->drop();
-		m_mesh = NULL;
-	}
-}
-
-void LuaCAO::removeFromScene()
-{
-	if(m_node == NULL)
-		return;
-	
-	if(m_node)
-	{
-		m_node->remove();
-		m_node = NULL;
-	}
-	if(m_mesh)
-	{
-		m_mesh->drop();
-		m_mesh = NULL;
+		// If factory is not found, just return.
+		dstream<<"WARNING: ClientActiveObject: No factory for type="
+				<<(int)type<<std::endl;
+		return NULL;
 	}
 
-	m_smgr = NULL;
-}
-
-void LuaCAO::updateLight(u8 light_at_pos)
-{
-}
-
-v3s16 LuaCAO::getLightPosition()
-{
-	return floatToInt(m_position, BS);
+	Factory f = n->second;
+	ClientActiveObject *object = (*f)(gamedef, env);
+	return object;
 }
 
-void LuaCAO::updateNodePos()
+void ClientActiveObject::registerType(u16 type, Factory f)
 {
-	if(m_node == NULL)
+	std::map<u16, Factory>::iterator n;
+	n = m_types.find(type);
+	if(n != m_types.end())
 		return;
-
-	m_node->setPosition(m_position);
-	m_node->setRotation(-m_rotation);
-}
-
-void LuaCAO::setPosition(v3f pos)
-{
-	m_position = pos;
-	updateNodePos();
-}
-
-v3f LuaCAO::getPosition()
-{
-	return m_position;
-}
-
-void LuaCAO::setRotation(v3f rot)
-{
-	m_rotation = rot;
-	updateNodePos();
-}
-
-v3f LuaCAO::getRotation()
-{
-	return m_rotation;
+	m_types[type] = f;
 }