Scripting WIP

data/scripts/default.lua

@@ -146,6 +146,8 @@ local TNT = {
 	collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
 	visual = "cube",
 	textures = {"tnt_top.png","tnt_bottom.png","tnt_side.png","tnt_side.png","tnt_side.png","tnt_side.png"},
+	--visual = "single_sprite",
+	--textures = {"mese.png^[forcesingle"},
 	-- Initial value for our timer
 	timer = 0,
 	-- List names of state variables, for serializing object state

src/content_cao.cpp

@@ -1275,7 +1275,7 @@ LuaEntityCAO proto_LuaEntityCAO;
 
 LuaEntityCAO::LuaEntityCAO():
 	ClientActiveObject(0),
-	m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
+	m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 	m_meshnode(NULL),
 	m_spritenode(NULL),
 	m_position(v3f(0,10*BS,0)),
@@ -1303,9 +1303,114 @@ void LuaEntityCAO::addToScene(scene::ISceneManager *smgr)
 	//video::IVideoDriver* driver = smgr->getVideoDriver();
 
 	if(m_prop->visual == "single_sprite"){
-	} else if(m_prop->visual == "cube"){
+		infostream<<"LuaEntityCAO::addToScene(): single_sprite"<<std::endl;
-	} else {
+		m_spritenode = new scene::MyBillboardSceneNode(
+				smgr->getRootSceneNode(), smgr, -1, v3f(0,0,0), v2f(1,1));
+		std::string texturestring = "unknown_block.png";
+		if(m_prop->textures.size() >= 1)
+			texturestring = m_prop->textures[0];
+		m_spritenode->setMaterialTexture(0,
+				g_texturesource->getTextureRaw(texturestring));
+		m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
+		m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
+		m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
+		m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
+		m_spritenode->setColor(video::SColor(255,0,0,0));
+		m_spritenode->setVisible(false); /* Set visible when brightness is known */
+		m_spritenode->setSize(v2f(1,1)*1.0*BS);
+		{
+			const float txs = 1.0 / 1;
+			const float tys = 1.0 / 1;
+			m_spritenode->setTCoords(0, v2f(txs*1, tys*1));
+			m_spritenode->setTCoords(1, v2f(txs*1, tys*0));
+			m_spritenode->setTCoords(2, v2f(txs*0, tys*0));
+			m_spritenode->setTCoords(3, v2f(txs*0, tys*1));
 		}
+	} else if(m_prop->visual == "cube"){
+		infostream<<"LuaEntityCAO::addToScene(): cube"<<std::endl;
+		video::SColor c(255,255,255,255);
+		video::S3DVertex vertices[24] =
+		{
+			// Up
+			video::S3DVertex(-0.5,+0.5,-0.5, 0,1,0, c, 0,1),
+			video::S3DVertex(-0.5,+0.5,+0.5, 0,1,0, c, 0,0),
+			video::S3DVertex(+0.5,+0.5,+0.5, 0,1,0, c, 1,0),
+			video::S3DVertex(+0.5,+0.5,-0.5, 0,1,0, c, 1,1),
+			// Down
+			video::S3DVertex(-0.5,-0.5,-0.5, 0,-1,0, c, 0,0),
+			video::S3DVertex(+0.5,-0.5,-0.5, 0,-1,0, c, 1,0),
+			video::S3DVertex(+0.5,-0.5,+0.5, 0,-1,0, c, 1,1),
+			video::S3DVertex(-0.5,-0.5,+0.5, 0,-1,0, c, 0,1),
+			// Right
+			video::S3DVertex(+0.5,-0.5,-0.5, 1,0,0, c, 0,1),
+			video::S3DVertex(+0.5,+0.5,-0.5, 1,0,0, c, 0,0),
+			video::S3DVertex(+0.5,+0.5,+0.5, 1,0,0, c, 1,0),
+			video::S3DVertex(+0.5,-0.5,+0.5, 1,0,0, c, 1,1),
+			// Left
+			video::S3DVertex(-0.5,-0.5,-0.5, -1,0,0, c, 1,1),
+			video::S3DVertex(-0.5,-0.5,+0.5, -1,0,0, c, 0,1),
+			video::S3DVertex(-0.5,+0.5,+0.5, -1,0,0, c, 0,0),
+			video::S3DVertex(-0.5,+0.5,-0.5, -1,0,0, c, 1,0),
+			// Back
+			video::S3DVertex(-0.5,-0.5,+0.5, 0,0,1, c, 1,1),
+			video::S3DVertex(+0.5,-0.5,+0.5, 0,0,1, c, 0,1),
+			video::S3DVertex(+0.5,+0.5,+0.5, 0,0,1, c, 0,0),
+			video::S3DVertex(-0.5,+0.5,+0.5, 0,0,1, c, 1,0),
+			// Front
+			video::S3DVertex(-0.5,-0.5,-0.5, 0,0,-1, c, 0,1),
+			video::S3DVertex(-0.5,+0.5,-0.5, 0,0,-1, c, 0,0),
+			video::S3DVertex(+0.5,+0.5,-0.5, 0,0,-1, c, 1,0),
+			video::S3DVertex(+0.5,-0.5,-0.5, 0,0,-1, c, 1,1),
+		};
+		
+		for(u32 i=0; i<24; ++i){
+			vertices[i].Pos *= BS;
+		}
+
+		u16 indices[6] = {0,1,2,2,3,0};
+
+		scene::SMesh* mesh = new scene::SMesh();
+		for (u32 i=0; i<6; ++i)
+		{
+			scene::IMeshBuffer* buf = new scene::SMeshBuffer();
+			buf->append(vertices + 4 * i, 4, indices, 6);
+			buf->recalculateBoundingBox();
+			mesh->addMeshBuffer(buf);
+			buf->drop();
+		}
+		mesh->recalculateBoundingBox();
+	
+		m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
+		
+		m_meshnode->setMesh(mesh);
+		m_meshnode->setScale(v3f(1));
+		for (u32 i = 0; i < 6; ++i)
+		{
+			std::string texturestring = "unknown_block.png";
+			if(m_prop->textures.size() > i)
+				texturestring = m_prop->textures[i];
+			AtlasPointer ap = g_texturesource->getTexture(texturestring);
+
+			// Get the tile texture and atlas transformation
+			video::ITexture* atlas = ap.atlas;
+			v2f pos = ap.pos;
+			v2f size = ap.size;
+
+			// Set material flags and texture
+			video::SMaterial& material = m_meshnode->getMaterial(i);
+			material.setFlag(video::EMF_LIGHTING, false);
+			material.setFlag(video::EMF_BILINEAR_FILTER, false);
+			material.setTexture(0, atlas);
+			material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
+			material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
+		}
+		// Will be shown when we know the brightness
+		m_meshnode->setVisible(false);
+	} else {
+		infostream<<"LuaEntityCAO::addToScene(): \""<<m_prop->visual
+				<<"\" not supported"<<std::endl;
+	}
+	updateNodePos();
 }
 
 void LuaEntityCAO::removeFromScene()
@@ -1326,9 +1431,11 @@ void LuaEntityCAO::updateLight(u8 light_at_pos)
 	video::SColor color(255,li,li,li);
 	if(m_meshnode){
 		setMeshVerticesColor(m_meshnode->getMesh(), color);
+		m_meshnode->setVisible(true);
 	}
 	if(m_spritenode){
 		m_spritenode->setColor(color);
+		m_spritenode->setVisible(true);
 	}
 }
 
@@ -1350,6 +1457,7 @@ void LuaEntityCAO::updateNodePos()
 void LuaEntityCAO::step(float dtime, ClientEnvironment *env)
 {
 	pos_translator.translate(dtime);
+	updateNodePos();
 }
 
 void LuaEntityCAO::processMessage(const std::string &data)
@@ -1399,6 +1507,10 @@ void LuaEntityCAO::initialize(const std::string &data)
 
 	infostream<<"m_prop: "<<m_prop->dump()<<std::endl;
 
+	m_selection_box = m_prop->collisionbox;
+	m_selection_box.MinEdge *= BS;
+	m_selection_box.MaxEdge *= BS;
+		
 	pos_translator.init(m_position);
 	
 	updateNodePos();

src/content_sao.cpp

@@ -1656,6 +1656,11 @@ void LuaEntitySAO::moveTo(v3f pos, bool continuous)
 		sendPosition(true, true);
 }
 
+float LuaEntitySAO::getMinimumSavedMovement()
+{
+	return 0.1 * BS;
+}
+
 void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
 {
 	m_last_sent_move_precision = m_base_position.getDistanceFrom(

src/content_sao.h

@@ -52,6 +52,8 @@ public:
 	InventoryItem* createInventoryItem();
 	InventoryItem* createPickedUpItem(){return createInventoryItem();}
 	void rightClick(Player *player);
+
+	float getMinimumSavedMovement(){ return 0.1*BS; }
 private:
 	std::string m_inventorystring;
 	v3f m_speed_f;
@@ -218,6 +220,7 @@ public:
 
 	void setPos(v3f pos);
 	void moveTo(v3f pos, bool continuous);
+	float getMinimumSavedMovement();
 private:
 	void sendPosition(bool do_interpolate, bool is_movement_end);
 

src/environment.cpp

@@ -1749,8 +1749,10 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 			if(n){
 				StaticObject static_old = n->getValue();
 
+				float save_movem = obj->getMinimumSavedMovement();
+
 				if(static_old.data == staticdata_new &&
-						(static_old.pos - objectpos).getLength() < 2*BS)
+						(static_old.pos - objectpos).getLength() < save_movem)
 					data_changed = false;
 			} else {
 				errorstream<<"ServerEnvironment::deactivateFarObjects(): "
@@ -1760,6 +1762,8 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 			}
 		}
 
+		bool shall_be_written = (!stays_in_same_block || data_changed);
+		
 		// Delete old static object
 		if(obj->m_static_exists)
 		{
@@ -1769,7 +1773,7 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 				block->m_static_objects.remove(id);
 				obj->m_static_exists = false;
 				// Only mark block as modified if data changed considerably
-				if(!stays_in_same_block || data_changed)
+				if(shall_be_written)
 					block->raiseModified(MOD_STATE_WRITE_NEEDED);
 			}
 		}
@@ -1794,7 +1798,7 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
 				block->m_static_objects.insert(new_id, s_obj);
 				
 				// Only mark block as modified if data changed considerably
-				if(!stays_in_same_block || data_changed)
+				if(shall_be_written)
 					block->raiseModified(MOD_STATE_WRITE_NEEDED);
 				
 				obj->m_static_exists = true;

src/inventory.cpp

@@ -135,6 +135,10 @@ ServerActiveObject* InventoryItem::createSAO(ServerEnvironment *env, u16 id, v3f
 	/*
 		Create an ItemSAO
 	*/
+	pos.Y -= BS*0.25; // let it drop a bit
+	// Randomize a bit
+	pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
+	pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
 	// Create object
 	ServerActiveObject *obj = new ItemSAO(env, pos, getItemString());
 	return obj;

src/luaentity_common.cpp

@@ -40,9 +40,8 @@ std::string LuaEntityProperties::dump()
 	os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
 	os<<", visual="<<visual;
 	os<<", textures=[";
-	for(core::list<std::string>::Iterator i = textures.begin();
+	for(u32 i=0; i<textures.size(); i++){
-			i != textures.end(); i++){
+		os<<"\""<<textures[i]<<"\" ";
-		os<<"\""<<(*i)<<"\" ";
 	}
 	os<<"]";
 	return os.str();
@@ -57,9 +56,8 @@ void LuaEntityProperties::serialize(std::ostream &os)
 	writeV3F1000(os, collisionbox.MaxEdge);
 	os<<serializeString(visual);
 	writeU16(os, textures.size());
-	for(core::list<std::string>::Iterator i = textures.begin();
+	for(u32 i=0; i<textures.size(); i++){
-			i != textures.end(); i++){
+		os<<serializeString(textures[i]);
-		os<<serializeString(*i);
 	}
 }
 
@@ -74,8 +72,8 @@ void LuaEntityProperties::deSerialize(std::istream &is)
 	collisionbox.MaxEdge = readV3F1000(is);
 	visual = deSerializeString(is);
 	textures.clear();
-	int texture_count = readU16(is);
+	u32 texture_count = readU16(is);
-	for(int i=0; i<texture_count; i++){
+	for(u32 i=0; i<texture_count; i++){
 		textures.push_back(deSerializeString(is));
 	}
 }

src/luaentity_common.h

@@ -26,11 +26,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 struct LuaEntityProperties
 {
+	// Values are BS=1
 	bool physical;
 	float weight;
 	core::aabbox3d<f32> collisionbox;
 	std::string visual;
-	core::list<std::string> textures;
+	core::array<std::string> textures;
 
 	LuaEntityProperties();
 	std::string dump();

src/scriptapi.cpp

@@ -791,6 +791,7 @@ void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
 		}
 	}
 	lua_pop(L, 1);
+
 }
 
 void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)

src/server.cpp

@@ -2853,10 +2853,10 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 				// Calculate a position for it
 				v3f pos = intToFloat(p_over, BS);
 				//pos.Y -= BS*0.45;
-				pos.Y -= BS*0.25; // let it drop a bit
+				/*pos.Y -= BS*0.25; // let it drop a bit
 				// Randomize a bit
 				pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
-				pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
+				pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;*/
 
 				/*
 					Create the object

src/serverobject.h

@@ -76,6 +76,9 @@ public:
 	// continuous: if true, object does not stop immediately at pos
 	virtual void moveTo(v3f pos, bool continuous)
 	{ setBasePosition(pos); }
+	// If object has moved less than this and data has not changed,
+	// saving to disk may be omitted
+	virtual float getMinimumSavedMovement(){ return 2.0*BS; }
 
 	/*
 		Step object in time.