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/*
Minetest-c55
Copyright (C) 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 "craftdef.h"
#include "irrlichttypes.h"
#include "log.h"
#include <sstream>
#include "utility.h"
#include "gamedef.h"
#include "inventory.h"
CraftPointerInput::~CraftPointerInput()
{
for(u32 i=0; i<items.size(); i++)
delete items[i];
}
CraftPointerInput createPointerInput(const CraftInput &ci, IGameDef *gamedef)
{
std::vector<InventoryItem*> items;
for(u32 i=0; i<ci.items.size(); i++){
InventoryItem *item = NULL;
if(ci.items[i] != ""){
std::istringstream iss(ci.items[i], std::ios::binary);
item = InventoryItem::deSerialize(iss, gamedef);
}
items.push_back(item);
}
return CraftPointerInput(ci.width, items);
}
CraftInput createInput(const CraftPointerInput &cpi)
{
std::vector<std::string> items;
for(u32 i=0; i<cpi.items.size(); i++){
if(cpi.items[i] == NULL)
items.push_back("");
else{
std::ostringstream oss(std::ios::binary);
cpi.items[i]->serialize(oss);
items.push_back(oss.str());
}
}
return CraftInput(cpi.width, items);
}
std::string CraftInput::dump() const
{
std::ostringstream os(std::ios::binary);
os<<"(width="<<width<<"){";
for(u32 i=0; i<items.size(); i++)
os<<"\""<<items[i]<<"\",";
os<<"}";
return os.str();
}
std::string CraftDefinition::dump() const
{
std::ostringstream os(std::ios::binary);
os<<"{output=\""<<output<<"\", input={";
for(u32 i=0; i<input.items.size(); i++)
os<<"\""<<input.items[i]<<"\",";
os<<"}, (input.width="<<input.width<<")}";
return os.str();
}
void CraftDefinition::serialize(std::ostream &os) const
{
writeU8(os, 0); // version
os<<serializeString(output);
writeU8(os, input.width);
writeU16(os, input.items.size());
for(u32 i=0; i<input.items.size(); i++)
os<<serializeString(input.items[i]);
}
void CraftDefinition::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 0) throw SerializationError(
"unsupported CraftDefinition version");
output = deSerializeString(is);
input.width = readU8(is);
u32 count = readU16(is);
for(u32 i=0; i<count; i++)
input.items.push_back(deSerializeString(is));
}
class CCraftDefManager: public IWritableCraftDefManager
{
public:
virtual ~CCraftDefManager()
{
clear();
}
virtual InventoryItem* getCraftResult(const CraftPointerInput &input_cpi,
IGameDef *gamedef) const
{
if(input_cpi.width > 3){
errorstream<<"getCraftResult(): ERROR: "
<<"input_cpi.width > 3; Failing to craft."<<std::endl;
return NULL;
}
InventoryItem *input_items[9];
for(u32 y=0; y<3; y++)
for(u32 x=0; x<3; x++)
{
u32 i=y*3+x;
if(x >= input_cpi.width || y >= input_cpi.height())
input_items[i] = NULL;
else
input_items[i] = input_cpi.items[y*input_cpi.width+x];
}
for(core::list<CraftDefinition*>::ConstIterator
i = m_craft_definitions.begin();
i != m_craft_definitions.end(); i++)
{
CraftDefinition *def = *i;
/*infostream<<"Checking "<<createInput(input_cpi).dump()<<std::endl
<<" against "<<def->input.dump()
<<" (output=\""<<def->output<<"\")"<<std::endl;*/
try {
CraftPointerInput spec_cpi = createPointerInput(def->input, gamedef);
if(spec_cpi.width > 3){
errorstream<<"getCraftResult: ERROR: "
<<"spec_cpi.width > 3 in recipe "
<<def->dump()<<std::endl;
continue;
}
InventoryItem *spec_items[9];
for(u32 y=0; y<3; y++)
for(u32 x=0; x<3; x++)
{
u32 i=y*3+x;
if(x >= spec_cpi.width || y >= spec_cpi.height())
spec_items[i] = NULL;
else
spec_items[i] = spec_cpi.items[y*spec_cpi.width+x];
}
bool match = checkItemCombination(input_items, spec_items);
if(match){
std::istringstream iss(def->output, std::ios::binary);
return InventoryItem::deSerialize(iss, gamedef);
}
}
catch(SerializationError &e)
{
errorstream<<"getCraftResult: ERROR: "
<<"Serialization error in recipe "
<<def->dump()<<std::endl;
// then go on with the next craft definition
}
}
return NULL;
}
virtual void registerCraft(const CraftDefinition &def)
{
infostream<<"registerCraft: registering craft definition: "
<<def.dump()<<std::endl;
if(def.input.width > 3 || def.input.height() > 3){
errorstream<<"registerCraft: input size is larger than 3x3,"
<<" ignoring"<<std::endl;
return;
}
m_craft_definitions.push_back(new CraftDefinition(def));
}
virtual void clear()
{
for(core::list<CraftDefinition*>::Iterator
i = m_craft_definitions.begin();
i != m_craft_definitions.end(); i++){
delete *i;
}
m_craft_definitions.clear();
}
virtual void serialize(std::ostream &os)
{
writeU8(os, 0); // version
u16 count = m_craft_definitions.size();
writeU16(os, count);
for(core::list<CraftDefinition*>::Iterator
i = m_craft_definitions.begin();
i != m_craft_definitions.end(); i++){
CraftDefinition *def = *i;
// Serialize wrapped in a string
std::ostringstream tmp_os(std::ios::binary);
def->serialize(tmp_os);
os<<serializeString(tmp_os.str());
}
}
virtual void deSerialize(std::istream &is)
{
// Clear everything
clear();
// Deserialize
int version = readU8(is);
if(version != 0) throw SerializationError(
"unsupported CraftDefManager version");
u16 count = readU16(is);
for(u16 i=0; i<count; i++){
// Deserialize a string and grab a CraftDefinition from it
std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
CraftDefinition def;
def.deSerialize(tmp_is);
// Register
registerCraft(def);
}
}
private:
core::list<CraftDefinition*> m_craft_definitions;
};
IWritableCraftDefManager* createCraftDefManager()
{
return new CCraftDefManager();
}
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