add a safe, and make some nodes safe from destructive mobs

src/content_mapnode.cpp

@@ -2257,6 +2257,7 @@ void content_mapnode_init(bool repeat)
 	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 	f->type = CMT_STONE;
 	f->hardness = 5.0;
+	f->destructive_mob_safe = true;
 	crafting::setHardBlockRecipe(CONTENT_CRAFTITEM_STEEL_INGOT,CONTENT_STEEL);
 	crafting::setUncraftHardBlockRecipe(CONTENT_STEEL,CONTENT_CRAFTITEM_STEEL_INGOT);
 	lists::add("craftguide",i);
@@ -2280,6 +2281,7 @@ void content_mapnode_init(bool repeat)
 	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 	f->type = CMT_STONE;
 	f->hardness = 5.0;
+	f->destructive_mob_safe = true;
 	crafting::setHardBlockRecipe(CONTENT_CRAFTITEM_COPPER_INGOT,CONTENT_COPPER);
 	crafting::setUncraftHardBlockRecipe(CONTENT_COPPER,CONTENT_CRAFTITEM_COPPER_INGOT);
 	lists::add("craftguide",i);
@@ -2296,6 +2298,7 @@ void content_mapnode_init(bool repeat)
 	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 	f->type = CMT_STONE;
 	f->hardness = 5.0;
+	f->destructive_mob_safe = true;
 	crafting::setHardBlockRecipe(CONTENT_CRAFTITEM_GOLD_INGOT,CONTENT_GOLD);
 	crafting::setUncraftHardBlockRecipe(CONTENT_GOLD,CONTENT_CRAFTITEM_GOLD_INGOT);
 	lists::add("craftguide",i);
@@ -2312,6 +2315,7 @@ void content_mapnode_init(bool repeat)
 	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 	f->type = CMT_STONE;
 	f->hardness = 5.0;
+	f->destructive_mob_safe = true;
 	crafting::setHardBlockRecipe(CONTENT_CRAFTITEM_SILVER_INGOT,CONTENT_SILVER);
 	crafting::setUncraftHardBlockRecipe(CONTENT_SILVER,CONTENT_CRAFTITEM_SILVER_INGOT);
 	lists::add("craftguide",i);
@@ -2328,6 +2332,7 @@ void content_mapnode_init(bool repeat)
 	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 	f->type = CMT_STONE;
 	f->hardness = 5.0;
+	f->destructive_mob_safe = true;
 	crafting::setHardBlockRecipe(CONTENT_CRAFTITEM_TIN_INGOT,CONTENT_TIN);
 	crafting::setUncraftHardBlockRecipe(CONTENT_TIN,CONTENT_CRAFTITEM_TIN_INGOT);
 	lists::add("craftguide",i);
@@ -2344,6 +2349,7 @@ void content_mapnode_init(bool repeat)
 	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
 	f->type = CMT_STONE;
 	f->hardness = 5.0;
+	f->destructive_mob_safe = true;
 	crafting::setHardBlockRecipe(CONTENT_CRAFTITEM_QUARTZ,CONTENT_QUARTZ);
 	crafting::setUncraftHardBlockRecipe(CONTENT_QUARTZ,CONTENT_CRAFTITEM_QUARTZ);
 	lists::add("craftguide",i);

src/content_mapnode.h

@@ -62,7 +62,8 @@ MapNode mapnode_translate_to_internal(MapNode n_from, u8 version);
 #define CONTENT_TORCH 7
 #define CONTENT_TABLE 8
 #define CONTENT_WATERSOURCE 9
-// FREE 10-13
+// FREE 10-12
+#define CONTENT_SAFE 13
 #define CONTENT_SIGN_WALL 14
 #define CONTENT_CHEST 15
 #define CONTENT_FURNACE 16

src/content_mapnode_special.cpp

@@ -82,6 +82,7 @@ void content_mapnode_special(bool repeat)
 	f->hardness = 0.75;
 	f->pressure_type = CST_SOLID;
 	f->suffocation_per_second = 0;
+	f->destructive_mob_safe = true;
 	content_nodebox_fence_inv(f);
 	content_nodebox_fence(f);
 	f->setInventoryTextureNodeBox(i,"fence_steel.png","fence_steel_top.png","fence_steel.png");
@@ -1253,6 +1254,28 @@ void content_mapnode_special(bool repeat)
 	lists::add("craftguide",i);
 	lists::add("creative",i);
 
+	i = CONTENT_SAFE;
+	f = &content_features(i);
+	f->description = wgettext("Safe");
+	f->param_type = CPT_FACEDIR_SIMPLE;
+	f->draw_type = CDT_CUBELIKE;
+	f->setAllTextures("safe_side.png");
+	f->setTexture(0, "safe_top.png");
+	f->setTexture(1, "safe_top.png");
+	f->setTexture(5, "safe_lock.png"); // Z-
+	f->setInventoryTexture("safe_lock.png");
+	f->setInventoryTextureCube("safe_top.png", "safe_lock.png", "safe_side.png");
+	f->dug_item = std::string("MaterialItem2 ")+itos(i)+" 1";
+	if(f->initial_metadata == NULL)
+		f->initial_metadata = new SafeNodeMetadata();
+	f->type = CMT_WOOD;
+	f->hardness = 1.0;
+	f->pressure_type = CST_SOLID;
+	f->destructive_mob_safe = true;
+	crafting::setFilledRoundRecipe(CONTENT_CRAFTITEM_STEEL_INGOT,CONTENT_CRAFTITEM_COPPER_INGOT,CONTENT_LOCKABLE_CHEST);
+	lists::add("craftguide",i);
+	lists::add("creative",i);
+
 	i = CONTENT_FURNACE;
 	f = &content_features(i);
 	f->description = wgettext("Furnace");

src/content_mapnode_util.cpp

@@ -34,17 +34,16 @@ void content_nodedef_knob(content_t nodeid, content_t source_node, ContentMateri
 	features->type = CMT_STONE;
 	features->hardness = 0.8;
 	features->climbable = true;
-	if(material_type == CMT_WOOD)
-	{
+	features->suffocation_per_second = 0;
+	if (material_type == CMT_WOOD) {
 		content_t recipe[9] = {
 			CONTENT_IGNORE, CONTENT_IGNORE, CONTENT_IGNORE,
 			source_node   , source_node   , CONTENT_IGNORE,
-		CONTENT_IGNORE, CONTENT_IGNORE, CONTENT_IGNORE};
+			CONTENT_IGNORE, CONTENT_IGNORE, CONTENT_IGNORE
+		};
 
 		crafting::setRecipe(recipe, nodeid, 2);
-	}
-	else
-	{
+	}else{
 		crafting::set1To4Recipe(source_node,nodeid);
 	}
 	content_nodebox_knob(features);

src/content_nodemeta.cpp

@@ -320,7 +320,81 @@ bool LockingChestNodeMetadata::import(NodeMetadata *meta)
 }
 
 /*
-	ChestNodeMetadata
+	SafeNodeMetadata
+*/
+
+// Prototype
+SafeNodeMetadata proto_SafeNodeMetadata;
+
+SafeNodeMetadata::SafeNodeMetadata()
+{
+	NodeMetadata::registerType(typeId(), create);
+
+	m_inventory = new Inventory();
+	m_inventory->addList("0", 8*4);
+}
+SafeNodeMetadata::~SafeNodeMetadata()
+{
+	delete m_inventory;
+}
+u16 SafeNodeMetadata::typeId() const
+{
+	return CONTENT_SAFE;
+}
+NodeMetadata* SafeNodeMetadata::create(std::istream &is)
+{
+	SafeNodeMetadata *d = new SafeNodeMetadata();
+	d->setOwner(deSerializeString(is));
+	d->m_inventory->deSerialize(is);
+	return d;
+}
+NodeMetadata* SafeNodeMetadata::clone()
+{
+	SafeNodeMetadata *d = new SafeNodeMetadata();
+	*d->m_inventory = *m_inventory;
+	return d;
+}
+void SafeNodeMetadata::serializeBody(std::ostream &os)
+{
+	os<<serializeString(m_owner);
+	m_inventory->serialize(os);
+}
+std::wstring SafeNodeMetadata::infoText()
+{
+	char buff[256];
+	snprintf(buff,256,gettext("Safe owned by '%s'"),m_owner.c_str());
+	return narrow_to_wide(buff);
+}
+bool SafeNodeMetadata::nodeRemovalDisabled()
+{
+	/*
+		Disable removal if chest contains something
+	*/
+	InventoryList *list = m_inventory->getList("0");
+	if(list == NULL)
+		return false;
+	if(list->getUsedSlots() == 0)
+		return false;
+	return true;
+}
+std::string SafeNodeMetadata::getDrawSpecString()
+{
+	return
+		"size[8,9]"
+		"list[current_name;0;0,0;8,4;]"
+		"list[current_player;main;0,5;8,4;]";
+}
+bool SafeNodeMetadata::import(NodeMetadata *meta)
+{
+	if (meta->typeId() != CONTENT_CHEST)
+		return false;
+	ChestNodeMetadata *l = (ChestNodeMetadata*)meta;
+	*m_inventory = *l->getInventory();
+	return true;
+}
+
+/*
+	CreativeChestNodeMetadata
 */
 
 // Prototype

src/content_nodemeta.h

@@ -155,6 +155,33 @@ private:
 	std::string m_owner;
 };
 
+class SafeNodeMetadata : public NodeMetadata
+{
+public:
+	SafeNodeMetadata();
+	~SafeNodeMetadata();
+
+	virtual u16 typeId() const;
+	static NodeMetadata* create(std::istream &is);
+	virtual NodeMetadata* clone();
+	virtual void serializeBody(std::ostream &os);
+	virtual std::wstring infoText();
+	virtual Inventory* getInventory() {return m_inventory;}
+	virtual bool nodeRemovalDisabled();
+	virtual std::string getDrawSpecString();
+
+	virtual bool import(NodeMetadata *meta);
+
+	virtual std::string getOwner(){ return m_owner; }
+	virtual void setOwner(std::string t){ m_owner = t; }
+	virtual std::string getInventoryOwner(){ return m_owner; }
+	virtual void setInventoryOwner(std::string t){ m_owner = t; }
+
+private:
+	Inventory *m_inventory;
+	std::string m_owner;
+};
+
 class CreativeChestNodeMetadata : public NodeMetadata
 {
 public:

src/content_sao.cpp

@@ -1196,7 +1196,7 @@ void MobSAO::explodeSquare(v3s16 p0, v3s16 size)
 		MapNode n = map->getNodeNoEx(p);
 		if (n.getContent() == CONTENT_IGNORE)
 			continue;
-		if (content_features(n).pressure_type == CST_SOLID && content_features(n).draw_type == CDT_CUBELIKE)
+		if (content_features(n).destructive_mob_safe)
 			continue;
 		map->removeNodeAndUpdate(p, modified_blocks);
 	}

src/mapnode.h

@@ -300,6 +300,8 @@ struct ContentFeatures
 	// Used for texture atlas creation.
 	// Currently only enabled for CONTENT_STONE.
 	bool often_contains_mineral;
+	// Whether destructive mobs can destroy this node
+	bool destructive_mob_safe;
 
 	// Inventory item string as which the node appears in inventory when dug.
 	// Mineral overrides this.
@@ -412,6 +414,7 @@ struct ContentFeatures
 		liquid_type = LIQUID_NONE;
 		air_equivalent = false;
 		often_contains_mineral = false;
+		destructive_mob_safe = false;
 		dug_item = "";
 		extra_dug_item = "";
 		extra_dug_item_rarity = 2;