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cuberite-2a/src/FurnaceRecipe.cpp

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#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(void)
{
ClearRecipes();
LOGD("Loading furnace recipes...");
std::ifstream f;
char a_File[] = "furnace.txt";
f.open(a_File, std::ios::in);
if (!f.good())
{
f.close();
LOG("Could not open the furnace recipes file \"%s\"", a_File);
return;
}
// TODO: Replace this messy parse with a high-level-structured one (ReadLine / ProcessLine)
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
int 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;
}
int 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("Loaded " SIZE_T_FMT " furnace recipes and " SIZE_T_FMT " fuels", m_pState->Recipes.size(), m_pState->Fuel.size());
}
void cFurnaceRecipe::ClearRecipes(void)
{
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_ItemType == a_Ingredient.m_ItemType) && (R.In->m_ItemCount <= a_Ingredient.m_ItemCount))
{
if (BestRecipe && (BestRecipe->In->m_ItemCount > R.In->m_ItemCount))
{
continue;
}
else
{
BestRecipe = &R;
}
}
}
return BestRecipe;
}
int cFurnaceRecipe::GetBurnTime(const cItem & a_Fuel) const
{
int BestFuel = 0;
for (FuelList::const_iterator itr = m_pState->Fuel.begin(); itr != m_pState->Fuel.end(); ++itr)
{
const Fuel & F = *itr;
if ((F.In->m_ItemType == a_Fuel.m_ItemType) && (F.In->m_ItemCount <= a_Fuel.m_ItemCount))
{
if (BestFuel > 0 && (BestFuel > F.BurnTime))
{
continue;
}
else
{
BestFuel = F.BurnTime;
}
}
}
return BestFuel;
}