Add get_wielded_item

minetest · Mar 13, 2017 · 88df9fb · 88df9fb
1 parent 44ca9c9
commit 88df9fb
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Showing 15 changed files with 92 additions and 33 deletions.
diff --git a/clientmods/preview/init.lua b/clientmods/preview/init.lua
@@ -60,6 +60,28 @@ end)
 
 core.register_on_punchnode(function(pos, node)
 	print("The local player punched a node!")
+	local itemstack = core.get_wielded_item()
+	--[[
+	-- getters
+	print(dump(itemstack:is_empty()))
+	print(dump(itemstack:get_name()))
+	print(dump(itemstack:get_count()))
+	print(dump(itemstack:get_wear()))
+	print(dump(itemstack:get_meta()))
+	print(dump(itemstack:get_metadata()))
+	print(dump(itemstack:is_known()))
+	--print(dump(itemstack:get_definition()))
+	print(dump(itemstack:get_tool_capabilities()))
+	print(dump(itemstack:to_string()))
+	print(dump(itemstack:to_table()))
+	-- setters
+	print(dump(itemstack:set_name("default:dirt")))
+	print(dump(itemstack:set_count("95")))
+	print(dump(itemstack:set_wear(934)))
+	print(dump(itemstack:get_meta()))
+	print(dump(itemstack:get_metadata()))
+	--]]
+	print(dump(itemstack:to_table()))
 	print("pos:" .. dump(pos))
 	print("node:" .. dump(node))
 	return false

diff --git a/doc/client_lua_api.txt b/doc/client_lua_api.txt
@@ -721,13 +721,19 @@ Call these functions only at load time!
 * `minetest.after(time, func, ...)`
     * Call the function `func` after `time` seconds, may be fractional
     * Optional: Variable number of arguments that are passed to `func`
+
 ### Map
 * `minetest.get_node(pos)`
     * Returns the node at the given position as table in the format
       `{name="node_name", param1=0, param2=0}`, returns `{name="ignore", param1=0, param2=0}`
       for unloaded areas.
 * `minetest.get_node_or_nil(pos)`
     * Same as `get_node` but returns `nil` for unloaded areas.
+
+### Player
+* `minetest.get_wielded_item()`
+    * Returns the itemstack the local player is holding 
+
 ### Misc.
 * `minetest.parse_json(string[, nullvalue])`: returns something
     * Convert a string containing JSON data into the Lua equivalent

diff --git a/src/gamedef.h b/src/gamedef.h
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define GAMEDEF_HEADER
 
 #include <string>
+#include <vector>
 #include "irrlichttypes.h"
 
 class IItemDefManager;

diff --git a/src/script/clientscripting.cpp b/src/script/clientscripting.cpp
@@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "lua_api/l_storage.h"
 #include "lua_api/l_sound.h"
 #include "lua_api/l_util.h"
+#include "lua_api/l_item.h"
 
 ClientScripting::ClientScripting(Client *client):
 	ScriptApiBase()
@@ -55,4 +56,6 @@ void ClientScripting::InitializeModApi(lua_State *L, int top)
 	ModApiClient::Initialize(L, top);
 	ModApiSound::Initialize(L, top);
 	ModApiStorage::Initialize(L, top);
+
+	LuaItemStack::Register(L);
 }
diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp
@@ -20,7 +20,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "common/c_converter.h"
 #include "common/c_types.h"
 #include "nodedef.h"
-#include "itemdef.h"
 #include "object_properties.h"
 #include "cpp_api/s_node.h"
 #include "lua_api/l_object.h"
@@ -784,7 +783,7 @@ bool string_to_enum(const EnumString *spec, int &result,
 }
 
 /******************************************************************************/
-ItemStack read_item(lua_State* L, int index,Server* srv)
+ItemStack read_item(lua_State* L, int index, IItemDefManager *idef)
 {
 	if(index < 0)
 		index = lua_gettop(L) + 1 + index;
@@ -803,7 +802,6 @@ ItemStack read_item(lua_State* L, int index,Server* srv)
 	{
 		// Convert from itemstring
 		std::string itemstring = lua_tostring(L, index);
-		IItemDefManager *idef = srv->idef();
 		try
 		{
 			ItemStack item;
@@ -820,7 +818,6 @@ ItemStack read_item(lua_State* L, int index,Server* srv)
 	else if(lua_istable(L, index))
 	{
 		// Convert from table
-		IItemDefManager *idef = srv->idef();
 		std::string name = getstringfield_default(L, index, "name", "");
 		int count = getintfield_default(L, index, "count", 1);
 		int wear = getintfield_default(L, index, "wear", 0);
@@ -1187,7 +1184,7 @@ std::vector<ItemStack> read_items(lua_State *L, int index, Server *srv)
 		if (items.size() < (u32) key) {
 			items.resize(key);
 		}
-		items[key - 1] = read_item(L, -1, srv);
+		items[key - 1] = read_item(L, -1, srv->idef());
 		lua_pop(L, 1);
 	}
 	return items;

diff --git a/src/script/common/c_content.h b/src/script/common/c_content.h
@@ -38,6 +38,7 @@ extern "C" {
 #include "irrlichttypes_bloated.h"
 #include "util/string.h"
 #include "itemgroup.h"
+#include "itemdef.h"
 
 namespace Json { class Value; }
 
@@ -77,7 +78,7 @@ void               push_dig_params           (lua_State *L,
 void               push_hit_params           (lua_State *L,
                                               const HitParams &params);
 
-ItemStack          read_item                 (lua_State *L, int index, Server *srv);
+ItemStack          read_item                 (lua_State *L, int index, IItemDefManager *idef);
 
 struct TileAnimationParams read_animation_definition(lua_State *L, int index);
 

diff --git a/src/script/cpp_api/s_item.cpp b/src/script/cpp_api/s_item.cpp
@@ -47,7 +47,7 @@ bool ScriptApiItem::item_OnDrop(ItemStack &item,
 	PCALL_RES(lua_pcall(L, 3, 1, error_handler));
 	if (!lua_isnil(L, -1)) {
 		try {
-			item = read_item(L,-1, getServer());
+			item = read_item(L, -1, getServer()->idef());
 		} catch (LuaError &e) {
 			throw LuaError(std::string(e.what()) + ". item=" + item.name);
 		}
@@ -74,7 +74,7 @@ bool ScriptApiItem::item_OnPlace(ItemStack &item,
 	PCALL_RES(lua_pcall(L, 3, 1, error_handler));
 	if (!lua_isnil(L, -1)) {
 		try {
-			item = read_item(L,-1, getServer());
+			item = read_item(L, -1, getServer()->idef());
 		} catch (LuaError &e) {
 			throw LuaError(std::string(e.what()) + ". item=" + item.name);
 		}
@@ -101,7 +101,7 @@ bool ScriptApiItem::item_OnUse(ItemStack &item,
 	PCALL_RES(lua_pcall(L, 3, 1, error_handler));
 	if(!lua_isnil(L, -1)) {
 		try {
-			item = read_item(L,-1, getServer());
+			item = read_item(L, -1, getServer()->idef());
 		} catch (LuaError &e) {
 			throw LuaError(std::string(e.what()) + ". item=" + item.name);
 		}
@@ -127,7 +127,7 @@ bool ScriptApiItem::item_OnSecondaryUse(ItemStack &item, ServerActiveObject *use
 	PCALL_RES(lua_pcall(L, 3, 1, error_handler));
 	if (!lua_isnil(L, -1)) {
 		try {
-			item = read_item(L, -1, getServer());
+			item = read_item(L, -1, getServer()->idef());
 		} catch (LuaError &e) {
 			throw LuaError(std::string(e.what()) + ". item=" + item.name);
 		}
@@ -159,7 +159,7 @@ bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user,
 	PCALL_RES(lua_pcall(L, 4, 1, error_handler));
 	if (!lua_isnil(L, -1)) {
 		try {
-			item = read_item(L,-1, getServer());
+			item = read_item(L, -1, getServer()->idef());
 		} catch (LuaError &e) {
 			throw LuaError(std::string(e.what()) + ". item=" + item.name);
 		}
@@ -191,7 +191,7 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
 	PCALL_RES(lua_pcall(L, 4, 1, error_handler));
 	if (!lua_isnil(L, -1)) {
 		try {
-			item = read_item(L,-1, getServer());
+			item = read_item(L, -1, getServer()->idef());
 		} catch (LuaError &e) {
 			throw LuaError(std::string(e.what()) + ". item=" + item.name);
 		}

diff --git a/src/script/lua_api/l_base.cpp b/src/script/lua_api/l_base.cpp
@@ -43,6 +43,12 @@ Client *ModApiBase::getClient(lua_State *L)
 	return getScriptApiBase(L)->getClient();
 }
 #endif
+
+IGameDef *ModApiBase::getGameDef(lua_State *L)
+{
+	return getScriptApiBase(L)->getGameDef();
+}
+
 Environment *ModApiBase::getEnv(lua_State *L)
 {
 	return getScriptApiBase(L)->getEnv();

diff --git a/src/script/lua_api/l_base.h b/src/script/lua_api/l_base.h
@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "common/c_types.h"
 #include "common/c_internal.h"
+#include "gamedef.h"
 
 extern "C" {
 #include <lua.h>
@@ -46,6 +47,8 @@ class ModApiBase {
 	static Client*          getClient(lua_State *L);
 	#endif // !SERVER
 
+	static IGameDef*        getGameDef(lua_State *L);
+
 	static Environment*     getEnv(lua_State *L);
 	static GUIEngine*       getGuiEngine(lua_State *L);
 	// When we are not loading the mod, this function returns "."

diff --git a/src/script/lua_api/l_client.cpp b/src/script/lua_api/l_client.cpp
@@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "gettext.h"
 #include "common/c_converter.h"
 #include "common/c_content.h"
+#include "lua_api/l_item.h"
 
 int ModApiClient::l_get_current_modname(lua_State *L)
 {
@@ -132,6 +133,23 @@ int ModApiClient::l_get_node_or_nil(lua_State *L)
 	return 1;
 }
 
+int ModApiClient::l_get_wielded_item(lua_State *L)
+{
+	Client *client = getClient(L);
+
+	Inventory local_inventory(client->idef());
+	client->getLocalInventory(local_inventory);
+
+	InventoryList *mlist = local_inventory.getList("main");
+
+	if (mlist && client->getPlayerItem() < mlist->getSize()) {
+		LuaItemStack::create(L, mlist->getItem(client->getPlayerItem()));
+	} else {
+		LuaItemStack::create(L, ItemStack());
+	}
+	return 1;
+}
+
 void ModApiClient::Initialize(lua_State *L, int top)
 {
 	API_FCT(get_current_modname);
@@ -143,4 +161,5 @@ void ModApiClient::Initialize(lua_State *L, int top)
 	API_FCT(gettext);
 	API_FCT(get_node);
 	API_FCT(get_node_or_nil);
+	API_FCT(get_wielded_item);
 }
diff --git a/src/script/lua_api/l_client.h b/src/script/lua_api/l_client.h
@@ -53,7 +53,8 @@ class ModApiClient: public ModApiBase
 	// get_node_or_nil(pos)
 	static int l_get_node_or_nil(lua_State *L);
 
-
+	// get_wielded_item()
+	static int l_get_wielded_item(lua_State *L);
 
 public:
 	static void Initialize(lua_State *L, int top);

diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp
@@ -472,7 +472,7 @@ int ModApiEnvMod::l_add_item(lua_State *L)
 	// pos
 	//v3f pos = checkFloatPos(L, 1);
 	// item
-	ItemStack item = read_item(L, 2,getServer(L));
+	ItemStack item = read_item(L, 2,getServer(L)->idef());
 	if(item.empty() || !item.isKnown(getServer(L)->idef()))
 		return 0;
 

diff --git a/src/script/lua_api/l_inventory.cpp b/src/script/lua_api/l_inventory.cpp
@@ -194,7 +194,7 @@ int InvRef::l_set_stack(lua_State *L)
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
 	int i = luaL_checknumber(L, 3) - 1;
-	ItemStack newitem = read_item(L, 4, getServer(L));
+	ItemStack newitem = read_item(L, 4, getServer(L)->idef());
 	InventoryList *list = getlist(L, ref, listname);
 	if(list != NULL && i >= 0 && i < (int) list->getSize()){
 		list->changeItem(i, newitem);
@@ -295,7 +295,7 @@ int InvRef::l_add_item(lua_State *L)
 	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3, getServer(L));
+	ItemStack item = read_item(L, 3, getServer(L)->idef());
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		ItemStack leftover = list->addItem(item);
@@ -315,7 +315,7 @@ int InvRef::l_room_for_item(lua_State *L)
 	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3, getServer(L));
+	ItemStack item = read_item(L, 3, getServer(L)->idef());
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		lua_pushboolean(L, list->roomForItem(item));
@@ -332,7 +332,7 @@ int InvRef::l_contains_item(lua_State *L)
 	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3, getServer(L));
+	ItemStack item = read_item(L, 3, getServer(L)->idef());
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		lua_pushboolean(L, list->containsItem(item));
@@ -349,7 +349,7 @@ int InvRef::l_remove_item(lua_State *L)
 	NO_MAP_LOCK_REQUIRED;
 	InvRef *ref = checkobject(L, 1);
 	const char *listname = luaL_checkstring(L, 2);
-	ItemStack item = read_item(L, 3, getServer(L));
+	ItemStack item = read_item(L, 3, getServer(L)->idef());
 	InventoryList *list = getlist(L, ref, listname);
 	if(list){
 		ItemStack removed = list->removeItem(item);