mcserver/source/CraftingRecipes.h

83 lines
2.7 KiB
C++

// CraftingRecipes.h
// Interfaces to the cCraftingRecipes class representing the storage of crafting recipes
#pragma once
#include "cItem.h"
class cCraftingRecipes
{
public:
static const int MAX_GRID_WIDTH = 3;
static const int MAX_GRID_HEIGHT = 3;
cCraftingRecipes(void);
~cCraftingRecipes();
/// Offers an item resulting from the crafting grid setup. Doesn't modify the grid
cItem Offer(const cItem * a_CraftingGrid, int a_GridWidth, int a_GridHeight);
/// Crafts the item resulting from the crafting grid setup. Modifies the grid, returns the crafted item
cItem Craft(cItem * a_CraftingGrid, int a_GridWidth, int a_GridHeight);
protected:
struct cRecipeSlot
{
cItem m_Item;
int x, y; // 1..3, or -1 for "any"
} ;
typedef std::vector<cRecipeSlot> cRecipeSlots;
// A single recipe, stored. Each recipe is normalized right after parsing (NormalizeIngredients())
struct cRecipe
{
cRecipeSlots m_Ingredients;
cItem m_Result;
// Size of the regular items in the recipe; "anywhere" items are excluded:
int m_Width;
int m_Height;
} ;
typedef std::vector<cRecipe *> cRecipes;
cRecipes m_Recipes;
void LoadRecipes(void);
void ClearRecipes(void);
/// Parses the recipe line and adds it into m_Recipes. a_LineNum is used for diagnostic warnings only
void AddRecipeLine(int a_LineNum, const AString & a_RecipeLine);
/// Parses an item string in the format "<ItemType>[^<Damage>]", returns true if successful.
bool ParseItem(const AString & a_String, cItem & a_Item);
/// Parses one ingredient and adds it to the specified recipe. Returns true if successful.
bool ParseIngredient(const AString & a_String, cRecipe * a_Recipe);
/// Moves the recipe to top-left corner, sets its MinWidth / MinHeight
void NormalizeIngredients(cRecipe * a_Recipe);
/// Finds a recipe matching the crafting grid. Returns a newly allocated recipe (with all its coords set) or NULL if not found. Caller must delete return value!
cRecipe * FindRecipe(const cItem * a_CraftingGrid, int a_GridWidth, int a_GridHeight);
/// Same as FindRecipe, but the grid is guaranteed to be of minimal dimensions needed
cRecipe * FindRecipeCropped(const cItem * a_CraftingGrid, int a_GridWidth, int a_GridHeight, int a_GridStride);
/// Checks if the grid matches the specified recipe, offset by the specified offsets. Returns a matched cRecipe * if so, or NULL if not matching. Caller must delete the return value!
cRecipe * MatchRecipe(const cItem * a_CraftingGrid, int a_GridWidth, int a_GridHeight, int a_GridStride, const cRecipe * a_Recipe, int a_OffsetX, int a_OffsetY);
} ;