Add InvRef and InvStack (currently untested and unusable)

1 files changed, 544 insertions, 0 deletions

diff --git a/src/inventorymanager.cpp b/src/inventorymanager.cpp
new file mode 100644
index 000000000..195438d26
--- /dev/null
+++ b/src/inventorymanager.cpp
@@ -0,0 +1,544 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2011 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
+(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.
+
+You should have received a copy of the GNU 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 "inventorymanager.h"
+#include "serverremoteplayer.h"
+#include "log.h"
+#include "mapblock.h" // getNodeBlockPos
+
+/*
+	InventoryManager
+*/
+
+// Wrapper for old code
+Inventory* InventoryManager::getInventory(InventoryContext *c, std::string id)
+{
+	if(id == "current_player")
+	{
+		assert(c->current_player);
+		InventoryLocation loc;
+		loc.setPlayer(c->current_player->getName());
+		return getInventory(loc);
+	}
+	
+	Strfnd fn(id);
+	std::string id0 = fn.next(":");
+
+	if(id0 == "nodemeta")
+	{
+		v3s16 p;
+		p.X = stoi(fn.next(","));
+		p.Y = stoi(fn.next(","));
+		p.Z = stoi(fn.next(","));
+
+		InventoryLocation loc;
+		loc.setNodeMeta(p);
+		return getInventory(loc);
+	}
+
+	errorstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
+	return NULL;
+}
+// Wrapper for old code
+void InventoryManager::inventoryModified(InventoryContext *c, std::string id)
+{
+	if(id == "current_player")
+	{
+		assert(c->current_player);
+		InventoryLocation loc;
+		loc.setPlayer(c->current_player->getName());
+		setInventoryModified(loc);
+		return;
+	}
+	
+	Strfnd fn(id);
+	std::string id0 = fn.next(":");
+
+	if(id0 == "nodemeta")
+	{
+		v3s16 p;
+		p.X = stoi(fn.next(","));
+		p.Y = stoi(fn.next(","));
+		p.Z = stoi(fn.next(","));
+		v3s16 blockpos = getNodeBlockPos(p);
+
+		InventoryLocation loc;
+		loc.setNodeMeta(p);
+		setInventoryModified(loc);
+		return;
+	}
+
+	errorstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
+}
+
+/*
+	InventoryAction
+*/
+
+InventoryAction * InventoryAction::deSerialize(std::istream &is)
+{
+	std::string type;
+	std::getline(is, type, ' ');
+
+	InventoryAction *a = NULL;
+
+	if(type == "Move")
+	{
+		a = new IMoveAction(is);
+	}
+	else if(type == "Drop")
+	{
+		a = new IDropAction(is);
+	}
+
+	return a;
+}
+
+static std::string describeC(const struct InventoryContext *c)
+{
+	if(c->current_player == NULL)
+		return "current_player=NULL";
+	else
+		return std::string("current_player=") + c->current_player->getName();
+}
+
+IMoveAction::IMoveAction(std::istream &is)
+{
+	std::string ts;
+
+	std::getline(is, ts, ' ');
+	count = stoi(ts);
+
+	std::getline(is, from_inv, ' ');
+
+	std::getline(is, from_list, ' ');
+
+	std::getline(is, ts, ' ');
+	from_i = stoi(ts);
+
+	std::getline(is, to_inv, ' ');
+
+	std::getline(is, to_list, ' ');
+
+	std::getline(is, ts, ' ');
+	to_i = stoi(ts);
+}
+
+void IMoveAction::apply(InventoryContext *c, InventoryManager *mgr,
+		ServerEnvironment *env)
+{
+	Inventory *inv_from = mgr->getInventory(c, from_inv);
+	Inventory *inv_to = mgr->getInventory(c, to_inv);
+	
+	if(!inv_from){
+		infostream<<"IMoveAction::apply(): FAIL: source inventory not found: "
+				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
+				<<", to_inv=\""<<to_inv<<"\""<<std::endl;
+		return;
+	}
+	if(!inv_to){
+		infostream<<"IMoveAction::apply(): FAIL: destination inventory not found: "
+				"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
+				<<", to_inv=\""<<to_inv<<"\""<<std::endl;
+		return;
+	}
+
+	InventoryList *list_from = inv_from->getList(from_list);
+	InventoryList *list_to = inv_to->getList(to_list);
+
+	/*
+		If a list doesn't exist or the source item doesn't exist
+	*/
+	if(!list_from){
+		infostream<<"IMoveAction::apply(): FAIL: source list not found: "
+				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
+				<<", from_list=\""<<from_list<<"\""<<std::endl;
+		return;
+	}
+	if(!list_to){
+		infostream<<"IMoveAction::apply(): FAIL: destination list not found: "
+				<<"context=["<<describeC(c)<<"], to_inv=\""<<to_inv<<"\""
+				<<", to_list=\""<<to_list<<"\""<<std::endl;
+		return;
+	}
+	if(list_from->getItem(from_i) == NULL)
+	{
+		infostream<<"IMoveAction::apply(): FAIL: source item not found: "
+				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
+				<<", from_list=\""<<from_list<<"\""
+				<<" from_i="<<from_i<<std::endl;
+		return;
+	}
+	/*
+		If the source and the destination slots are the same
+	*/
+	if(inv_from == inv_to && list_from == list_to && from_i == to_i)
+	{
+		infostream<<"IMoveAction::apply(): FAIL: source and destination slots "
+				<<"are the same: inv=\""<<from_inv<<"\" list=\""<<from_list
+				<<"\" i="<<from_i<<std::endl;
+		return;
+	}
+	
+	// Take item from source list
+	InventoryItem *item1 = NULL;
+	if(count == 0)
+		item1 = list_from->changeItem(from_i, NULL);
+	else
+		item1 = list_from->takeItem(from_i, count);
+
+	// Try to add the item to destination list
+	InventoryItem *olditem = item1;
+	item1 = list_to->addItem(to_i, item1);
+
+	// If something is returned, the item was not fully added
+	if(item1 != NULL)
+	{
+		// If olditem is returned, nothing was added.
+		bool nothing_added = (item1 == olditem);
+		
+		// If something else is returned, part of the item was left unadded.
+		// Add the other part back to the source item
+		list_from->addItem(from_i, item1);
+
+		// If olditem is returned, nothing was added.
+		// Swap the items
+		if(nothing_added)
+		{
+			// Take item from source list
+			item1 = list_from->changeItem(from_i, NULL);
+			// Adding was not possible, swap the items.
+			InventoryItem *item2 = list_to->changeItem(to_i, item1);
+			// Put item from destination list to the source list
+			list_from->changeItem(from_i, item2);
+		}
+	}
+
+	mgr->inventoryModified(c, from_inv);
+	if(from_inv != to_inv)
+		mgr->inventoryModified(c, to_inv);
+	
+	infostream<<"IMoveAction::apply(): moved at "
+			<<"["<<describeC(c)<<"]"
+			<<" from inv=\""<<from_inv<<"\""
+			<<" list=\""<<from_list<<"\""
+			<<" i="<<from_i
+			<<" to inv=\""<<to_inv<<"\""
+			<<" list=\""<<to_list<<"\""
+			<<" i="<<to_i
+			<<std::endl;
+}
+
+IDropAction::IDropAction(std::istream &is)
+{
+	std::string ts;
+
+	std::getline(is, ts, ' ');
+	count = stoi(ts);
+
+	std::getline(is, from_inv, ' ');
+
+	std::getline(is, from_list, ' ');
+
+	std::getline(is, ts, ' ');
+	from_i = stoi(ts);
+}
+
+void IDropAction::apply(InventoryContext *c, InventoryManager *mgr,
+		ServerEnvironment *env)
+{
+	if(c->current_player == NULL){
+		infostream<<"IDropAction::apply(): FAIL: current_player is NULL"<<std::endl;
+		return;
+	}
+
+	// Do NOT cast directly to ServerActiveObject*, it breaks
+	// because of multiple inheritance.
+	ServerActiveObject *dropper =
+		static_cast<ServerActiveObject*>(
+		static_cast<ServerRemotePlayer*>(
+			c->current_player
+		));
+
+	Inventory *inv_from = mgr->getInventory(c, from_inv);
+	
+	if(!inv_from){
+		infostream<<"IDropAction::apply(): FAIL: source inventory not found: "
+				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""<<std::endl;
+		return;
+	}
+
+	InventoryList *list_from = inv_from->getList(from_list);
+
+	/*
+		If a list doesn't exist or the source item doesn't exist
+	*/
+	if(!list_from){
+		infostream<<"IDropAction::apply(): FAIL: source list not found: "
+				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
+				<<", from_list=\""<<from_list<<"\""<<std::endl;
+		return;
+	}
+	InventoryItem *item = list_from->getItem(from_i);
+	if(item == NULL)
+	{
+		infostream<<"IDropAction::apply(): FAIL: source item not found: "
+				<<"context=["<<describeC(c)<<"], from_inv=\""<<from_inv<<"\""
+				<<", from_list=\""<<from_list<<"\""
+				<<" from_i="<<from_i<<std::endl;
+		return;
+	}
+
+	v3f pos = dropper->getBasePosition();
+	pos.Y += 0.5*BS;
+
+	s16 count2 = count;
+	if(count2 == 0)
+		count2 = -1;
+
+	/*
+		Drop the item
+	*/
+	bool remove = item->dropOrPlace(env, dropper, pos, false, count2);
+	if(remove)
+		list_from->deleteItem(from_i);
+
+	mgr->inventoryModified(c, from_inv);
+
+	infostream<<"IDropAction::apply(): dropped "
+			<<"["<<describeC(c)<<"]"
+			<<" from inv=\""<<from_inv<<"\""
+			<<" list=\""<<from_list<<"\""
+			<<" i="<<from_i
+			<<std::endl;
+}
+
+/*
+	Craft checking system
+*/
+
+bool ItemSpec::checkItem(const InventoryItem *item) const
+{
+	if(type == ITEM_NONE)
+	{
+		// Has to be no item
+		if(item != NULL)
+			return false;
+		return true;
+	}
+	
+	// There should be an item
+	if(item == NULL)
+		return false;
+
+	std::string itemname = item->getName();
+
+	if(type == ITEM_MATERIAL)
+	{
+		if(itemname != "MaterialItem")
+			return false;
+		MaterialItem *mitem = (MaterialItem*)item;
+		if(num != 65535){
+			if(mitem->getMaterial() != num)
+				return false;
+		} else {
+			if(mitem->getNodeName() != name)
+				return false;
+		}
+	}
+	else if(type == ITEM_CRAFT)
+	{
+		if(itemname != "CraftItem")
+			return false;
+		CraftItem *mitem = (CraftItem*)item;
+		if(mitem->getSubName() != name)
+			return false;
+	}
+	else if(type == ITEM_TOOL)
+	{
+		// Not supported yet
+		assert(0);
+	}
+	else if(type == ITEM_MBO)
+	{
+		// Not supported yet
+		assert(0);
+	}
+	else
+	{
+		// Not supported yet
+		assert(0);
+	}
+	return true;
+}
+
+bool checkItemCombination(InventoryItem const * const *items, const ItemSpec *specs)
+{
+	u16 items_min_x = 100;
+	u16 items_max_x = 100;
+	u16 items_min_y = 100;
+	u16 items_max_y = 100;
+	for(u16 y=0; y<3; y++)
+	for(u16 x=0; x<3; x++)
+	{
+		if(items[y*3 + x] == NULL)
+			continue;
+		if(items_min_x == 100 || x < items_min_x)
+			items_min_x = x;
+		if(items_min_y == 100 || y < items_min_y)
+			items_min_y = y;
+		if(items_max_x == 100 || x > items_max_x)
+			items_max_x = x;
+		if(items_max_y == 100 || y > items_max_y)
+			items_max_y = y;
+	}
+	// No items at all, just return false
+	if(items_min_x == 100)
+		return false;
+	
+	u16 items_w = items_max_x - items_min_x + 1;
+	u16 items_h = items_max_y - items_min_y + 1;
+
+	u16 specs_min_x = 100;
+	u16 specs_max_x = 100;
+	u16 specs_min_y = 100;
+	u16 specs_max_y = 100;
+	for(u16 y=0; y<3; y++)
+	for(u16 x=0; x<3; x++)
+	{
+		if(specs[y*3 + x].type == ITEM_NONE)
+			continue;
+		if(specs_min_x == 100 || x < specs_min_x)
+			specs_min_x = x;
+		if(specs_min_y == 100 || y < specs_min_y)
+			specs_min_y = y;
+		if(specs_max_x == 100 || x > specs_max_x)
+			specs_max_x = x;
+		if(specs_max_y == 100 || y > specs_max_y)
+			specs_max_y = y;
+	}
+	// No specs at all, just return false
+	if(specs_min_x == 100)
+		return false;
+
+	u16 specs_w = specs_max_x - specs_min_x + 1;
+	u16 specs_h = specs_max_y - specs_min_y + 1;
+
+	// Different sizes
+	if(items_w != specs_w || items_h != specs_h)
+		return false;
+
+	for(u16 y=0; y<specs_h; y++)
+	for(u16 x=0; x<specs_w; x++)
+	{
+		u16 items_x = items_min_x + x;
+		u16 items_y = items_min_y + y;
+		u16 specs_x = specs_min_x + x;
+		u16 specs_y = specs_min_y + y;
+		const InventoryItem *item = items[items_y * 3 + items_x];
+		const ItemSpec &spec = specs[specs_y * 3 + specs_x];
+
+		if(spec.checkItem(item) == false)
+			return false;
+	}
+
+	return true;
+}
+
+bool checkItemCombination(const InventoryItem * const * items,
+		const InventoryItem * const * specs)
+{
+	u16 items_min_x = 100;
+	u16 items_max_x = 100;
+	u16 items_min_y = 100;
+	u16 items_max_y = 100;
+	for(u16 y=0; y<3; y++)
+	for(u16 x=0; x<3; x++)
+	{
+		if(items[y*3 + x] == NULL)
+			continue;
+		if(items_min_x == 100 || x < items_min_x)
+			items_min_x = x;
+		if(items_min_y == 100 || y < items_min_y)
+			items_min_y = y;
+		if(items_max_x == 100 || x > items_max_x)
+			items_max_x = x;
+		if(items_max_y == 100 || y > items_max_y)
+			items_max_y = y;
+	}
+	// No items at all, just return false
+	if(items_min_x == 100)
+		return false;
+	
+	u16 items_w = items_max_x - items_min_x + 1;
+	u16 items_h = items_max_y - items_min_y + 1;
+
+	u16 specs_min_x = 100;
+	u16 specs_max_x = 100;
+	u16 specs_min_y = 100;
+	u16 specs_max_y = 100;
+	for(u16 y=0; y<3; y++)
+	for(u16 x=0; x<3; x++)
+	{
+		if(specs[y*3 + x] == NULL)
+			continue;
+		if(specs_min_x == 100 || x < specs_min_x)
+			specs_min_x = x;
+		if(specs_min_y == 100 || y < specs_min_y)
+			specs_min_y = y;
+		if(specs_max_x == 100 || x > specs_max_x)
+			specs_max_x = x;
+		if(specs_max_y == 100 || y > specs_max_y)
+			specs_max_y = y;
+	}
+	// No specs at all, just return false
+	if(specs_min_x == 100)
+		return false;
+
+	u16 specs_w = specs_max_x - specs_min_x + 1;
+	u16 specs_h = specs_max_y - specs_min_y + 1;
+
+	// Different sizes
+	if(items_w != specs_w || items_h != specs_h)
+		return false;
+
+	for(u16 y=0; y<specs_h; y++)
+	for(u16 x=0; x<specs_w; x++)
+	{
+		u16 items_x = items_min_x + x;
+		u16 items_y = items_min_y + y;
+		u16 specs_x = specs_min_x + x;
+		u16 specs_y = specs_min_y + y;
+		const InventoryItem *item = items[items_y * 3 + items_x];
+		const InventoryItem *spec = specs[specs_y * 3 + specs_x];
+		
+		if(item == NULL && spec == NULL)
+			continue;
+		if(item == NULL && spec != NULL)
+			return false;
+		if(item != NULL && spec == NULL)
+			return false;
+		if(!spec->isSubsetOf(item))
+			return false;
+	}
+
+	return true;
+}
+
+