1
0
cuberite-2a/source/FurnaceRecipe.cpp

241 lines
4.6 KiB
C++
Raw Normal View History

#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "FurnaceRecipe.h"
#include "Item.h"
#include <fstream>
#include <sstream>
typedef std::list< cFurnaceRecipe::Recipe > RecipeList;
typedef std::list< cFurnaceRecipe::Fuel > FuelList;
struct cFurnaceRecipe::sFurnaceRecipeState
{
RecipeList Recipes;
FuelList Fuel;
};
cFurnaceRecipe::cFurnaceRecipe()
: m_pState( new sFurnaceRecipeState )
{
ReloadRecipes();
}
cFurnaceRecipe::~cFurnaceRecipe()
{
ClearRecipes();
delete m_pState;
}
void cFurnaceRecipe::ReloadRecipes()
{
ClearRecipes();
LOG("-- Loading furnace recipes --");
std::ifstream f;
char a_File[] = "furnace.txt";
f.open(a_File, std::ios::in);
std::string input;
if( !f.good() )
{
f.close();
LOG("Could not open file for recipes: %s", a_File);
return;
}
bool bSyntaxError = false;
while( f.good() )
{
char c;
//////////////////////////////////////////////////////////////////////////
// comments
f >> c;
f.unget();
if( c == '#' )
{
while( f.good() && c != '\n' )
{
f.get( c );
}
continue;
}
//////////////////////////////////////////////////////////////////////////
// Line breaks
f.get( c );
while( f.good() && ( c == '\n' || c == '\r' ) ) { f.get( c ); }
if( f.eof() ) break;
f.unget();
//////////////////////////////////////////////////////////////////////////
// Check for fuel
f >> c;
if( c == '!' ) // It's fuel :)
{
// Read item
int IItemID = 0, IItemCount = 0, IItemHealth = 0;
f >> IItemID;
f >> c; if( c != ':' ) { bSyntaxError = true; break; }
f >> IItemCount;
// Optional health
f >> c;
if( c != ':' )
f.unget();
else
{
f >> IItemHealth;
}
// Burn time
float BurnTime;
f >> c; if( c != '=' ) { bSyntaxError = true; break; }
f >> BurnTime;
// Add to fuel list
Fuel F;
F.In = new cItem( (ENUM_ITEM_ID) IItemID, (char)IItemCount, (short)IItemHealth );
F.BurnTime = BurnTime;
m_pState->Fuel.push_back( F );
continue;
}
f.unget();
//////////////////////////////////////////////////////////////////////////
// Read items
int IItemID = 0, IItemCount = 0, IItemHealth = 0;
f >> IItemID;
f >> c; if( c != ':' ) { bSyntaxError = true; break; }
f >> IItemCount;
// Optional health
f >> c;
if( c != ':' )
f.unget();
else
{
f >> IItemHealth;
}
float CookTime;
f >> c; if( c != '@' ) { bSyntaxError = true; break; }
f >> CookTime;
int OItemID = 0, OItemCount = 0, OItemHealth = 0;
f >> c; if( c != '=' ) { bSyntaxError = true; break; }
f >> OItemID;
f >> c; if( c != ':' ) { bSyntaxError = true; break; }
f >> OItemCount;
// Optional health
f >> c;
if( c != ':' )
f.unget();
else
{
f >> OItemHealth;
}
// Add to recipe list
Recipe R;
R.In = new cItem( (ENUM_ITEM_ID)IItemID, (char)IItemCount, (short)IItemHealth );
R.Out = new cItem( (ENUM_ITEM_ID)OItemID, (char)OItemCount, (short)OItemHealth );
R.CookTime = CookTime;
m_pState->Recipes.push_back( R );
}
if( bSyntaxError )
{
LOGERROR("ERROR: FurnaceRecipe, syntax error" );
}
LOG("Got %i furnace recipes, and %i fuels.", m_pState->Recipes.size(), m_pState->Fuel.size() );
LOG("-- Done loading furnace recipes --");
}
void cFurnaceRecipe::ClearRecipes()
{
for( RecipeList::iterator itr = m_pState->Recipes.begin(); itr != m_pState->Recipes.end(); ++itr )
{
Recipe R = *itr;
delete R.In;
delete R.Out;
}
m_pState->Recipes.clear();
for( FuelList::iterator itr = m_pState->Fuel.begin(); itr != m_pState->Fuel.end(); ++itr )
{
Fuel F = *itr;
delete F.In;
}
m_pState->Fuel.clear();
}
const cFurnaceRecipe::Recipe* cFurnaceRecipe::GetRecipeFrom( const cItem & a_Ingredient ) const
{
const Recipe* BestRecipe = 0;
for( RecipeList::const_iterator itr = m_pState->Recipes.begin(); itr != m_pState->Recipes.end(); ++itr )
{
const Recipe & R = *itr;
if( (R.In->m_ItemID == a_Ingredient.m_ItemID) && (R.In->m_ItemCount <= a_Ingredient.m_ItemCount ) )
{
if( BestRecipe && (BestRecipe->In->m_ItemCount > R.In->m_ItemCount) )
{
continue;
}
else
{
BestRecipe = &R;
}
}
}
return BestRecipe;
}
float cFurnaceRecipe::GetBurnTime( const cItem & a_Fuel ) const
{
float BestFuel = 0.f;
for( FuelList::const_iterator itr = m_pState->Fuel.begin(); itr != m_pState->Fuel.end(); ++itr )
{
const Fuel & F = *itr;
if( (F.In->m_ItemID == a_Fuel.m_ItemID) && (F.In->m_ItemCount <= a_Fuel.m_ItemCount ) )
{
if( BestFuel > 0.f && (BestFuel > F.BurnTime ) )
{
continue;
}
else
{
BestFuel = F.BurnTime;
}
}
}
return BestFuel;
}