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authorWeblate <42@minetest.ru>2013-06-01 13:18:52 +0200
committerWeblate <42@minetest.ru>2013-06-01 13:18:52 +0200
commit1dfc2e02b3c358af4bb20bb3cb60ac7bd3ed1124 (patch)
tree54660f353f3342f89b6259ea6a5dfedfa20dc16f /src/script/cpp_api/s_inventory.cpp
parentec039a3d123120f9918812b13f5971e94546b9af (diff)
parent64627817fcca52f20948c24b60ce192b218f6ce2 (diff)
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Merge remote-tracking branch 'origin/master'
Diffstat (limited to 'src/script/cpp_api/s_inventory.cpp')
-rw-r--r--src/script/cpp_api/s_inventory.cpp260
1 files changed, 260 insertions, 0 deletions
diff --git a/src/script/cpp_api/s_inventory.cpp b/src/script/cpp_api/s_inventory.cpp
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+++ b/src/script/cpp_api/s_inventory.cpp
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+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "cpp_api/s_inventory.h"
+#include "inventorymanager.h"
+#include "lua_api/l_inventory.h"
+#include "lua_api/l_item.h"
+#include "log.h"
+
+// Return number of accepted items to be moved
+int ScriptApiDetached::detached_inventory_AllowMove(
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Push callback function on stack
+ if(!getDetachedInventoryCallback(name, "allow_move"))
+ return count;
+
+ // function(inv, from_list, from_index, to_list, to_index, count, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectrefGetOrCreate(player);
+ if(lua_pcall(L, 7, 1, 0))
+ scriptError("error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_move should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be put
+int ScriptApiDetached::detached_inventory_AllowPut(
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Push callback function on stack
+ if(!getDetachedInventoryCallback(name, "allow_put"))
+ return stack.count; // All will be accepted
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectrefGetOrCreate(player);
+ if(lua_pcall(L, 5, 1, 0))
+ scriptError("error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_put should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be taken
+int ScriptApiDetached::detached_inventory_AllowTake(
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Push callback function on stack
+ if(!getDetachedInventoryCallback(name, "allow_take"))
+ return stack.count; // All will be accepted
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectrefGetOrCreate(player);
+ if(lua_pcall(L, 5, 1, 0))
+ scriptError("error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_take should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Report moved items
+void ScriptApiDetached::detached_inventory_OnMove(
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Push callback function on stack
+ if(!getDetachedInventoryCallback(name, "on_move"))
+ return;
+
+ // function(inv, from_list, from_index, to_list, to_index, count, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectrefGetOrCreate(player);
+ if(lua_pcall(L, 7, 0, 0))
+ scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Report put items
+void ScriptApiDetached::detached_inventory_OnPut(
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Push callback function on stack
+ if(!getDetachedInventoryCallback(name, "on_put"))
+ return;
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectrefGetOrCreate(player);
+ if(lua_pcall(L, 5, 0, 0))
+ scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void ScriptApiDetached::detached_inventory_OnTake(
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Push callback function on stack
+ if(!getDetachedInventoryCallback(name, "on_take"))
+ return;
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectrefGetOrCreate(player);
+ if(lua_pcall(L, 5, 0, 0))
+ scriptError("error: %s", lua_tostring(L, -1));
+}
+
+// Retrieves minetest.detached_inventories[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
+// function onto the stack
+bool ScriptApiDetached::getDetachedInventoryCallback(
+ const std::string &name, const char *callbackname)
+{
+ lua_State *L = getStack();
+
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "detached_inventories");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, name.c_str());
+ lua_remove(L, -2);
+ // Should be a table
+ if(lua_type(L, -1) != LUA_TTABLE)
+ {
+ errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+ lua_getfield(L, -1, callbackname);
+ lua_remove(L, -2);
+ // Should be a function or nil
+ if(lua_type(L, -1) == LUA_TFUNCTION)
+ {
+ return true;
+ }
+ else if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ return false;
+ }
+ else
+ {
+ errorstream<<"Detached inventory \""<<name<<"\" callback \""
+ <<callbackname<<"\" is not a function"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+}