]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/script/cpp_api/s_nodemeta.cpp
Add API for mods to hook liquid transformation events (#11405)
[dragonfireclient.git] / src / script / cpp_api / s_nodemeta.cpp
index 56cea8e5f99d35a3b18ce72dee46d00544f2c767..c081e9fc48cd2c6422c50c1331d4b8b2e85775a8 100644 (file)
@@ -18,244 +18,215 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "cpp_api/s_nodemeta.h"
+#include "cpp_api/s_internal.h"
 #include "common/c_converter.h"
 #include "nodedef.h"
 #include "mapnode.h"
 #include "server.h"
+#include "environment.h"
 #include "lua_api/l_item.h"
 
-extern "C" {
-#include "lauxlib.h"
-}
-
 // Return number of accepted items to be moved
-int ScriptApiNodemeta::nodemeta_inventory_AllowMove(v3s16 p,
-               const std::string &from_list, int from_index,
-               const std::string &to_list, int to_index,
-               int count, ServerActiveObject *player)
+int ScriptApiNodemeta::nodemeta_inventory_AllowMove(
+               const MoveAction &ma, int count,
+               ServerActiveObject *player)
 {
        SCRIPTAPI_PRECHECKHEADER
 
-       INodeDefManager *ndef = getServer()->ndef();
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       const NodeDefManager *ndef = getServer()->ndef();
 
        // If node doesn't exist, we don't know what callback to call
-       MapNode node = getEnv()->getMap().getNodeNoEx(p);
-       if(node.getContent() == CONTENT_IGNORE)
+       MapNode node = getEnv()->getMap().getNode(ma.to_inv.p);
+       if (node.getContent() == CONTENT_IGNORE)
                return 0;
 
        // Push callback function on stack
-       if(!getItemCallback(ndef->get(node).name.c_str(),
-                       "allow_metadata_inventory_move"))
+       std::string nodename = ndef->get(node).name;
+       if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_move", &ma.to_inv.p))
                return count;
 
        // function(pos, from_list, from_index, to_list, to_index, count, player)
-       // pos
-       push_v3s16(L, p);
-       // 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_metadata_inventory_move should return a number");
-       return luaL_checkinteger(L, -1);
+       push_v3s16(L, ma.to_inv.p);              // pos
+       lua_pushstring(L, ma.from_list.c_str()); // from_list
+       lua_pushinteger(L, ma.from_i + 1);       // from_index
+       lua_pushstring(L, ma.to_list.c_str());   // to_list
+       lua_pushinteger(L, ma.to_i + 1);         // to_index
+       lua_pushinteger(L, count);               // count
+       objectrefGetOrCreate(L, player);         // player
+       PCALL_RES(lua_pcall(L, 7, 1, error_handler));
+       if (!lua_isnumber(L, -1))
+               throw LuaError("allow_metadata_inventory_move should"
+                               " return a number, guilty node: " + nodename);
+       int num = luaL_checkinteger(L, -1);
+       lua_pop(L, 2); // Pop integer and error handler
+       return num;
 }
 
 // Return number of accepted items to be put
-int ScriptApiNodemeta::nodemeta_inventory_AllowPut(v3s16 p,
-               const std::string &listname, int index, ItemStack &stack,
+int ScriptApiNodemeta::nodemeta_inventory_AllowPut(
+               const MoveAction &ma, const ItemStack &stack,
                ServerActiveObject *player)
 {
        SCRIPTAPI_PRECHECKHEADER
 
-       INodeDefManager *ndef = getServer()->ndef();
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       const NodeDefManager *ndef = getServer()->ndef();
 
        // If node doesn't exist, we don't know what callback to call
-       MapNode node = getEnv()->getMap().getNodeNoEx(p);
-       if(node.getContent() == CONTENT_IGNORE)
+       MapNode node = getEnv()->getMap().getNode(ma.to_inv.p);
+       if (node.getContent() == CONTENT_IGNORE)
                return 0;
 
        // Push callback function on stack
-       if(!getItemCallback(ndef->get(node).name.c_str(),
-                       "allow_metadata_inventory_put"))
+       std::string nodename = ndef->get(node).name;
+       if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_put", &ma.to_inv.p))
                return stack.count;
 
        // Call function(pos, listname, index, stack, player)
-       // pos
-       push_v3s16(L, p);
-       // 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));
+       push_v3s16(L, ma.to_inv.p);            // pos
+       lua_pushstring(L, ma.to_list.c_str()); // listname
+       lua_pushinteger(L, ma.to_i + 1);       // index
+       LuaItemStack::create(L, stack);        // stack
+       objectrefGetOrCreate(L, player);       // player
+       PCALL_RES(lua_pcall(L, 5, 1, error_handler));
        if(!lua_isnumber(L, -1))
-               throw LuaError(L, "allow_metadata_inventory_put should return a number");
-       return luaL_checkinteger(L, -1);
+               throw LuaError("allow_metadata_inventory_put should"
+                               " return a number, guilty node: " + nodename);
+       int num = luaL_checkinteger(L, -1);
+       lua_pop(L, 2); // Pop integer and error handler
+       return num;
 }
 
 // Return number of accepted items to be taken
-int ScriptApiNodemeta::nodemeta_inventory_AllowTake(v3s16 p,
-               const std::string &listname, int index, ItemStack &stack,
+int ScriptApiNodemeta::nodemeta_inventory_AllowTake(
+               const MoveAction &ma, const ItemStack &stack,
                ServerActiveObject *player)
 {
        SCRIPTAPI_PRECHECKHEADER
 
-       INodeDefManager *ndef = getServer()->ndef();
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       const NodeDefManager *ndef = getServer()->ndef();
 
        // If node doesn't exist, we don't know what callback to call
-       MapNode node = getEnv()->getMap().getNodeNoEx(p);
-       if(node.getContent() == CONTENT_IGNORE)
+       MapNode node = getEnv()->getMap().getNode(ma.from_inv.p);
+       if (node.getContent() == CONTENT_IGNORE)
                return 0;
 
        // Push callback function on stack
-       if(!getItemCallback(ndef->get(node).name.c_str(),
-                       "allow_metadata_inventory_take"))
+       std::string nodename = ndef->get(node).name;
+       if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_take", &ma.from_inv.p))
                return stack.count;
 
        // Call function(pos, listname, index, count, player)
-       // pos
-       push_v3s16(L, p);
-       // 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_metadata_inventory_take should return a number");
-       return luaL_checkinteger(L, -1);
+       push_v3s16(L, ma.from_inv.p);            // pos
+       lua_pushstring(L, ma.from_list.c_str()); // listname
+       lua_pushinteger(L, ma.from_i + 1);       // index
+       LuaItemStack::create(L, stack);          // stack
+       objectrefGetOrCreate(L, player);         // player
+       PCALL_RES(lua_pcall(L, 5, 1, error_handler));
+       if (!lua_isnumber(L, -1))
+               throw LuaError("allow_metadata_inventory_take should"
+                               " return a number, guilty node: " + nodename);
+       int num = luaL_checkinteger(L, -1);
+       lua_pop(L, 2); // Pop integer and error handler
+       return num;
 }
 
 // Report moved items
-void ScriptApiNodemeta::nodemeta_inventory_OnMove(v3s16 p,
-               const std::string &from_list, int from_index,
-               const std::string &to_list, int to_index,
-               int count, ServerActiveObject *player)
+void ScriptApiNodemeta::nodemeta_inventory_OnMove(
+               const MoveAction &ma, int count,
+               ServerActiveObject *player)
 {
        SCRIPTAPI_PRECHECKHEADER
 
-       INodeDefManager *ndef = getServer()->ndef();
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       const NodeDefManager *ndef = getServer()->ndef();
 
        // If node doesn't exist, we don't know what callback to call
-       MapNode node = getEnv()->getMap().getNodeNoEx(p);
-       if(node.getContent() == CONTENT_IGNORE)
+       MapNode node = getEnv()->getMap().getNode(ma.from_inv.p);
+       if (node.getContent() == CONTENT_IGNORE)
                return;
 
        // Push callback function on stack
-       if(!getItemCallback(ndef->get(node).name.c_str(),
-                       "on_metadata_inventory_move"))
+       std::string nodename = ndef->get(node).name;
+       if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_move", &ma.from_inv.p))
                return;
 
        // function(pos, from_list, from_index, to_list, to_index, count, player)
-       // pos
-       push_v3s16(L, p);
-       // 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));
+       push_v3s16(L, ma.from_inv.p);            // pos
+       lua_pushstring(L, ma.from_list.c_str()); // from_list
+       lua_pushinteger(L, ma.from_i + 1);       // from_index
+       lua_pushstring(L, ma.to_list.c_str());   // to_list
+       lua_pushinteger(L, ma.to_i + 1);         // to_index
+       lua_pushinteger(L, count);               // count
+       objectrefGetOrCreate(L, player);         // player
+       PCALL_RES(lua_pcall(L, 7, 0, error_handler));
+       lua_pop(L, 1);  // Pop error handler
 }
 
 // Report put items
-void ScriptApiNodemeta::nodemeta_inventory_OnPut(v3s16 p,
-               const std::string &listname, int index, ItemStack &stack,
+void ScriptApiNodemeta::nodemeta_inventory_OnPut(
+               const MoveAction &ma, const ItemStack &stack,
                ServerActiveObject *player)
 {
        SCRIPTAPI_PRECHECKHEADER
 
-       INodeDefManager *ndef = getServer()->ndef();
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       const NodeDefManager *ndef = getServer()->ndef();
 
        // If node doesn't exist, we don't know what callback to call
-       MapNode node = getEnv()->getMap().getNodeNoEx(p);
-       if(node.getContent() == CONTENT_IGNORE)
+       MapNode node = getEnv()->getMap().getNode(ma.to_inv.p);
+       if (node.getContent() == CONTENT_IGNORE)
                return;
 
        // Push callback function on stack
-       if(!getItemCallback(ndef->get(node).name.c_str(),
-                       "on_metadata_inventory_put"))
+       std::string nodename = ndef->get(node).name;
+       if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_put", &ma.to_inv.p))
                return;
 
        // Call function(pos, listname, index, stack, player)
-       // pos
-       push_v3s16(L, p);
-       // 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));
+       push_v3s16(L, ma.to_inv.p);            // pos
+       lua_pushstring(L, ma.to_list.c_str()); // listname
+       lua_pushinteger(L, ma.to_i + 1);       // index
+       LuaItemStack::create(L, stack);        // stack
+       objectrefGetOrCreate(L, player);       // player
+       PCALL_RES(lua_pcall(L, 5, 0, error_handler));
+       lua_pop(L, 1);  // Pop error handler
 }
 
 // Report taken items
-void ScriptApiNodemeta::nodemeta_inventory_OnTake(v3s16 p,
-               const std::string &listname, int index, ItemStack &stack,
+void ScriptApiNodemeta::nodemeta_inventory_OnTake(
+               const MoveAction &ma, const ItemStack &stack,
                ServerActiveObject *player)
 {
        SCRIPTAPI_PRECHECKHEADER
 
-       INodeDefManager *ndef = getServer()->ndef();
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       const NodeDefManager *ndef = getServer()->ndef();
 
        // If node doesn't exist, we don't know what callback to call
-       MapNode node = getEnv()->getMap().getNodeNoEx(p);
-       if(node.getContent() == CONTENT_IGNORE)
+       MapNode node = getEnv()->getMap().getNode(ma.from_inv.p);
+       if (node.getContent() == CONTENT_IGNORE)
                return;
 
        // Push callback function on stack
-       if(!getItemCallback(ndef->get(node).name.c_str(),
-                       "on_metadata_inventory_take"))
+       std::string nodename = ndef->get(node).name;
+       if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_take", &ma.from_inv.p))
                return;
 
        // Call function(pos, listname, index, stack, player)
-       // pos
-       push_v3s16(L, p);
-       // 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));
+       push_v3s16(L, ma.from_inv.p);            // pos
+       lua_pushstring(L, ma.from_list.c_str()); // listname
+       lua_pushinteger(L, ma.from_i + 1);       // index
+       LuaItemStack::create(L, stack);          // stack
+       objectrefGetOrCreate(L, player);         // player
+       PCALL_RES(lua_pcall(L, 5, 0, error_handler));
+       lua_pop(L, 1);  // Pop error handler
 }
-
-ScriptApiNodemeta::ScriptApiNodemeta() {
-}
-
-ScriptApiNodemeta::~ScriptApiNodemeta() {
-}
-
-
-