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Some inventory const-ification

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This commit is contained in:
Giuseppe Bilotta 2011-08-10 11:38:49 +02:00
parent c007d8219e
commit 467b3cf4c1
3 changed files with 52 additions and 35 deletions
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8
src/content_nodemeta.cpp
View File

@ -178,9 +178,9 @@ std::string FurnaceNodeMetadata::infoText()
//return "Furnace";
if(m_fuel_time >= m_fuel_totaltime)
{
InventoryList *src_list = m_inventory->getList("src");
const InventoryList *src_list = m_inventory->getList("src");
assert(src_list);
InventoryItem *src_item = src_list->getItem(0);
const InventoryItem *src_item = src_list->getItem(0);
if(src_item)
return "Furnace is out of fuel";
@ -219,7 +219,7 @@ bool FurnaceNodeMetadata::step(float dtime)
InventoryList *src_list = m_inventory->getList("src");
assert(src_list);
InventoryItem *src_item = src_list->getItem(0);
const InventoryItem *src_item = src_list->getItem(0);
// Start only if there are free slots in dst, so that it can
// accomodate any result item
@ -268,7 +268,7 @@ bool FurnaceNodeMetadata::step(float dtime)
InventoryList *fuel_list = m_inventory->getList("fuel");
assert(fuel_list);
InventoryItem *fuel_item = fuel_list->getItem(0);
const InventoryItem *fuel_item = fuel_list->getItem(0);
if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(fuel_item))
{

39
src/inventory.cpp
View File

@ -139,12 +139,12 @@ ServerActiveObject* InventoryItem::createSAO(ServerEnvironment *env, u16 id, v3f
MaterialItem
*/
bool MaterialItem::isCookable()
bool MaterialItem::isCookable() const
{
return item_material_is_cookable(m_content);
}
InventoryItem *MaterialItem::createCookResult()
InventoryItem *MaterialItem::createCookResult() const
{
return item_material_create_cook_result(m_content);
}
@ -176,7 +176,7 @@ ServerActiveObject* CraftItem::createSAO(ServerEnvironment *env, u16 id, v3f pos
return InventoryItem::createSAO(env, id, pos);
}
u16 CraftItem::getDropCount()
u16 CraftItem::getDropCount() const
{
// Special cases
s16 dc = item_craft_get_drop_count(m_subname);
@ -186,12 +186,12 @@ u16 CraftItem::getDropCount()
return InventoryItem::getDropCount();
}
bool CraftItem::isCookable()
bool CraftItem::isCookable() const
{
return item_craft_is_cookable(m_subname);
}
InventoryItem *CraftItem::createCookResult()
InventoryItem *CraftItem::createCookResult() const
{
return item_craft_create_cook_result(m_subname);
}
@ -416,7 +416,7 @@ InventoryList & InventoryList::operator = (const InventoryList &other)
return *this;
}
std::string InventoryList::getName()
const std::string &InventoryList::getName() const
{
return m_name;
}
@ -443,6 +443,13 @@ u32 InventoryList::getFreeSlots()
return getSize() - getUsedSlots();
}
const InventoryItem * InventoryList::getItem(u32 i) const
{
if(i > m_items.size() - 1)
return NULL;
return m_items[i];
}
InventoryItem * InventoryList::getItem(u32 i)
{
if(i > m_items.size() - 1)
@ -545,7 +552,7 @@ InventoryItem * InventoryList::addItem(u32 i, InventoryItem *newitem)
bool InventoryList::itemFits(u32 i, InventoryItem *newitem)
{
// If it is an empty position, it's an easy job.
InventoryItem *to_item = getItem(i);
const InventoryItem *to_item = getItem(i);
if(to_item == NULL)
{
return true;
@ -736,7 +743,15 @@ InventoryList * Inventory::getList(const std::string &name)
return m_lists[i];
}
s32 Inventory::getListIndex(const std::string &name)
const InventoryList * Inventory::getList(const std::string &name) const
{
s32 i = getListIndex(name);
if(i == -1)
return NULL;
return m_lists[i];
}
const s32 Inventory::getListIndex(const std::string &name) const
{
for(u32 i=0; i<m_lists.size(); i++)
{
@ -866,7 +881,7 @@ void IMoveAction::apply(InventoryContext *c, InventoryManager *mgr)
Craft checking system
*/
bool ItemSpec::checkItem(InventoryItem *item)
bool ItemSpec::checkItem(const InventoryItem *item) const
{
if(type == ITEM_NONE)
{
@ -916,7 +931,7 @@ bool ItemSpec::checkItem(InventoryItem *item)
return true;
}
bool checkItemCombination(InventoryItem **items, ItemSpec *specs)
bool checkItemCombination(InventoryItem const * const *items, const ItemSpec *specs)
{
u16 items_min_x = 100;
u16 items_max_x = 100;
@ -979,8 +994,8 @@ bool checkItemCombination(InventoryItem **items, ItemSpec *specs)
u16 items_y = items_min_y + y;
u16 specs_x = specs_min_x + x;
u16 specs_y = specs_min_y + y;
InventoryItem *item = items[items_y * 3 + items_x];
ItemSpec &spec = specs[specs_y * 3 + specs_x];
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;

40
src/inventory.h
View File

@ -61,19 +61,19 @@ public:
// Creates an object from the item, to be placed in the world.
virtual ServerActiveObject* createSAO(ServerEnvironment *env, u16 id, v3f pos);
// Gets amount of items that dropping one SAO will decrement
virtual u16 getDropCount(){ return getCount(); }
virtual u16 getDropCount() const { return getCount(); }
/*
Quantity methods
*/
// Shall return true if the item can be add()ed to the other
virtual bool addableTo(InventoryItem *other)
virtual bool addableTo(const InventoryItem *other) const
{
return false;
}
u16 getCount()
u16 getCount() const
{
return m_count;
}
@ -82,7 +82,7 @@ public:
m_count = count;
}
// This should return something else for stackable items
virtual u16 freeSpace()
virtual u16 freeSpace() const
{
return 0;
}
@ -102,11 +102,11 @@ public:
*/
// Whether it can be cooked
virtual bool isCookable(){return false;}
virtual bool isCookable() const {return false;}
// Time of cooking
virtual float getCookTime(){return 3.0;}
// Result of cooking (can randomize)
virtual InventoryItem *createCookResult(){return NULL;}
virtual InventoryItem *createCookResult() const {return NULL;}
// Eat, press, activate, whatever.
// Called when item is right-clicked when lying on ground.
@ -160,7 +160,7 @@ public:
return os.str();
}
virtual bool addableTo(InventoryItem *other)
virtual bool addableTo(const InventoryItem *other) const
{
if(std::string(other->getName()) != "MaterialItem")
return false;
@ -169,7 +169,7 @@ public:
return false;
return true;
}
u16 freeSpace()
u16 freeSpace() const
{
if(m_count > QUANTITY_ITEM_MAX_COUNT)
return 0;
@ -178,8 +178,8 @@ public:
/*
Other properties
*/
bool isCookable();
InventoryItem *createCookResult();
bool isCookable() const;
InventoryItem *createCookResult() const;
/*
Special methods
*/
@ -289,9 +289,9 @@ public:
}
ServerActiveObject* createSAO(ServerEnvironment *env, u16 id, v3f pos);
u16 getDropCount();
u16 getDropCount() const;
virtual bool addableTo(InventoryItem *other)
virtual bool addableTo(const InventoryItem *other) const
{
if(std::string(other->getName()) != "CraftItem")
return false;
@ -300,7 +300,7 @@ public:
return false;
return true;
}
u16 freeSpace()
u16 freeSpace() const
{
if(m_count > QUANTITY_ITEM_MAX_COUNT)
return 0;
@ -311,8 +311,8 @@ public:
Other properties
*/
bool isCookable();
InventoryItem *createCookResult();
bool isCookable() const;
InventoryItem *createCookResult() const;
bool use(ServerEnvironment *env, Player *player);
@ -467,7 +467,7 @@ public:
InventoryList(const InventoryList &other);
InventoryList & operator = (const InventoryList &other);
std::string getName();
const std::string &getName() const;
u32 getSize();
// Count used slots
u32 getUsedSlots();
@ -477,6 +477,7 @@ public:
void setDirty(bool dirty=true){ m_dirty = dirty; }*/
// Get pointer to item
const InventoryItem * getItem(u32 i) const;
InventoryItem * getItem(u32 i);
// Returns old item (or NULL). Parameter can be NULL.
InventoryItem * changeItem(u32 i, InventoryItem *newitem);
@ -529,6 +530,7 @@ public:
InventoryList * addList(const std::string &name, u32 size);
InventoryList * getList(const std::string &name);
const InventoryList * getList(const std::string &name) const;
bool deleteList(const std::string &name);
// A shorthand for adding items.
// Returns NULL if the item was fully added, leftover otherwise.
@ -542,7 +544,7 @@ public:
private:
// -1 if not found
s32 getListIndex(const std::string &name);
const s32 getListIndex(const std::string &name) const;
core::array<InventoryList*> m_lists;
};
@ -689,14 +691,14 @@ struct ItemSpec
{
}
bool checkItem(InventoryItem *item);
bool checkItem(const InventoryItem *item) const;
};
/*
items: a pointer to an array of 9 pointers to items
specs: a pointer to an array of 9 ItemSpecs
*/
bool checkItemCombination(InventoryItem **items, ItemSpec *specs);
bool checkItemCombination(const InventoryItem * const*items, const ItemSpec *specs);
#endif