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Add a callback: minetest.register_on_craft(itemstack, player,

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old_craft_grid, craft_inv) and
minetest.register_craft_predict(itemstack, player, old_craft_grid,
craft_inv)
This commit is contained in:
Novatux 2013-10-26 11:25:28 +02:00
parent 2f10cfb226
commit bd6d4666ab
6 changed files with 93 additions and 0 deletions
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51
src/script/cpp_api/s_item.cpp
View file

@ -22,9 +22,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "common/c_converter.h"
#include "common/c_content.h"
#include "lua_api/l_item.h"
#include "lua_api/l_inventory.h"
#include "server.h"
#include "log.h"
#include "util/pointedthing.h"
#include "inventory.h"
#include "inventorymanager.h"
bool ScriptApiItem::item_OnDrop(ItemStack &item,
ServerActiveObject *dropper, v3f pos)
@ -86,6 +89,54 @@ bool ScriptApiItem::item_OnUse(ItemStack &item,
return true;
}
bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user,
const InventoryList *old_craft_grid, const InventoryLocation &craft_inv)
{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "on_craft");
LuaItemStack::create(L, item);
objectrefGetOrCreate(user);
//Push inventory list
std::vector<ItemStack> items;
for(u32 i=0; i<old_craft_grid->getSize(); i++)
items.push_back(old_craft_grid->getItem(i));
push_items(L, items);
InvRef::create(L, craft_inv);
if(lua_pcall(L, 4, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
return true;
}
bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
const InventoryList *old_craft_grid, const InventoryLocation &craft_inv)
{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "craft_predict");
LuaItemStack::create(L, item);
objectrefGetOrCreate(user);
//Push inventory list
std::vector<ItemStack> items;
for(u32 i=0; i<old_craft_grid->getSize(); i++)
items.push_back(old_craft_grid->getItem(i));
push_items(L, items);
InvRef::create(L, craft_inv);
if(lua_pcall(L, 4, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
return true;
}
// Retrieves minetest.registered_items[name][callbackname]
// If that is nil or on error, return false and stack is unchanged
// If that is a function, returns true and pushes the

6
src/script/cpp_api/s_item.h
View file

@ -29,6 +29,8 @@ class ServerActiveObject;
struct ItemDefinition;
class LuaItemStack;
class ModApiItemMod;
class InventoryList;
class InventoryLocation;
class ScriptApiItem
: virtual public ScriptApiBase
@ -40,6 +42,10 @@ public:
ServerActiveObject *placer, const PointedThing &pointed);
bool item_OnUse(ItemStack &item,
ServerActiveObject *user, const PointedThing &pointed);
bool item_OnCraft(ItemStack &item, ServerActiveObject *user,
const InventoryList *old_craft_grid, const InventoryLocation &craft_inv);
bool item_CraftPredict(ItemStack &item, ServerActiveObject *user,
const InventoryList *old_craft_grid, const InventoryLocation &craft_inv);
protected:
friend class LuaItemStack;