Drop content_sao.{cpp,h}

[minetest.git] / src / script / cpp_api / s_item.cpp

diff --git a/src/script/cpp_api/s_item.cpp b/src/script/cpp_api/s_item.cpp
index 1ca06de7646af2a4a16549df7b2bce391c5b83da..24955cefcb161ed7568480312fa9eb7d5469f9bf 100644 (file)
--- a/src/script/cpp_api/s_item.cpp
+++ b/src/script/cpp_api/s_item.cpp
@@ -34,6 +34,8 @@ bool ScriptApiItem::item_OnDrop(ItemStack &item,
 {
        SCRIPTAPI_PRECHECKHEADER
 
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
        // Push callback function on stack
        if (!getItemCallback(item.name.c_str(), "on_drop"))
                return false;
@@ -42,15 +44,15 @@ bool ScriptApiItem::item_OnDrop(ItemStack &item,
        LuaItemStack::create(L, item);
        objectrefGetOrCreate(L, dropper);
        pushFloatPos(L, pos);
-       PCALL_RES(lua_pcall(L, 3, 1, m_errorhandler));
+       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);
                }
        }
-       lua_pop(L, 1);  // Pop item
+       lua_pop(L, 2);  // Pop item and error handler
        return true;
 }
 
@@ -59,23 +61,30 @@ bool ScriptApiItem::item_OnPlace(ItemStack &item,
 {
        SCRIPTAPI_PRECHECKHEADER
 
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
        // Push callback function on stack
        if (!getItemCallback(item.name.c_str(), "on_place"))
                return false;
 
        // Call function
        LuaItemStack::create(L, item);
-       objectrefGetOrCreate(L, placer);
+
+       if (!placer)
+               lua_pushnil(L);
+       else
+               objectrefGetOrCreate(L, placer);
+
        pushPointedThing(pointed);
-       PCALL_RES(lua_pcall(L, 3, 1, m_errorhandler));
+       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);
                }
        }
-       lua_pop(L, 1);  // Pop item
+       lua_pop(L, 2);  // Pop item and error handler
        return true;
 }
 
@@ -84,6 +93,8 @@ bool ScriptApiItem::item_OnUse(ItemStack &item,
 {
        SCRIPTAPI_PRECHECKHEADER
 
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
        // Push callback function on stack
        if (!getItemCallback(item.name.c_str(), "on_use"))
                return false;
@@ -92,15 +103,40 @@ bool ScriptApiItem::item_OnUse(ItemStack &item,
        LuaItemStack::create(L, item);
        objectrefGetOrCreate(L, user);
        pushPointedThing(pointed);
-       PCALL_RES(lua_pcall(L, 3, 1, m_errorhandler));
+       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);
                }
        }
-       lua_pop(L, 1);  // Pop item
+       lua_pop(L, 2);  // Pop item and error handler
+       return true;
+}
+
+bool ScriptApiItem::item_OnSecondaryUse(ItemStack &item,
+               ServerActiveObject *user, const PointedThing &pointed)
+{
+       SCRIPTAPI_PRECHECKHEADER
+
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
+       if (!getItemCallback(item.name.c_str(), "on_secondary_use"))
+               return false;
+
+       LuaItemStack::create(L, item);
+       objectrefGetOrCreate(L, user);
+       pushPointedThing(pointed);
+       PCALL_RES(lua_pcall(L, 3, 1, error_handler));
+       if (!lua_isnil(L, -1)) {
+               try {
+                       item = read_item(L, -1, getServer()->idef());
+               } catch (LuaError &e) {
+                       throw LuaError(std::string(e.what()) + ". item=" + item.name);
+               }
+       }
+       lua_pop(L, 2);  // Pop item and error handler
        return true;
 }
 
@@ -109,6 +145,8 @@ bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user,
 {
        SCRIPTAPI_PRECHECKHEADER
 
+       int error_handler = PUSH_ERROR_HANDLER(L);
+
        lua_getglobal(L, "core");
        lua_getfield(L, -1, "on_craft");
        LuaItemStack::create(L, item);
@@ -122,15 +160,15 @@ bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user,
        push_items(L, items);
 
        InvRef::create(L, craft_inv);
-       PCALL_RES(lua_pcall(L, 4, 1, m_errorhandler));
+       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);
                }
        }
-       lua_pop(L, 1);  // Pop item
+       lua_pop(L, 2);  // Pop item and error handler
        return true;
 }
 
@@ -138,6 +176,8 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
                const InventoryList *old_craft_grid, const InventoryLocation &craft_inv)
 {
        SCRIPTAPI_PRECHECKHEADER
+       sanity_check(old_craft_grid);
+       int error_handler = PUSH_ERROR_HANDLER(L);
 
        lua_getglobal(L, "core");
        lua_getfield(L, -1, "craft_predict");
@@ -152,15 +192,15 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
        push_items(L, items);
 
        InvRef::create(L, craft_inv);
-       PCALL_RES(lua_pcall(L, 4, 1, m_errorhandler));
+       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);
                }
        }
-       lua_pop(L, 1);  // Pop item
+       lua_pop(L, 2);  // Pop item and error handler
        return true;
 }
 
@@ -170,7 +210,8 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
 // function onto the stack
 // If core.registered_items[name] doesn't exist, core.nodedef_default
 // is tried instead so unknown items can still be manipulated to some degree
-bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
+bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname,
+               const v3s16 *p)
 {
        lua_State* L = getStack();
 
@@ -181,10 +222,12 @@ bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
        lua_getfield(L, -1, name);
        lua_remove(L, -2); // Remove registered_items
        // Should be a table
-       if(lua_type(L, -1) != LUA_TTABLE)
-       {
+       if (lua_type(L, -1) != LUA_TTABLE) {
                // Report error and clean up
-               errorstream << "Item \"" << name << "\" not defined" << std::endl;
+               errorstream << "Item \"" << name << "\" not defined";
+               if (p)
+                       errorstream << " at position " << PP(*p);
+               errorstream << std::endl;
                lua_pop(L, 1);
 
                // Try core.nodedef_default instead
@@ -193,12 +236,17 @@ bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
                lua_remove(L, -2);
                luaL_checktype(L, -1, LUA_TTABLE);
        }
+
+       setOriginFromTable(-1);
+
        lua_getfield(L, -1, callbackname);
        lua_remove(L, -2); // Remove item def
        // Should be a function or nil
        if (lua_type(L, -1) == LUA_TFUNCTION) {
                return true;
-       } else if (!lua_isnil(L, -1)) {
+       }
+
+       if (!lua_isnil(L, -1)) {
                errorstream << "Item \"" << name << "\" callback \""
                        << callbackname << "\" is not a function" << std::endl;
        }
@@ -206,31 +254,10 @@ bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
        return false;
 }
 
-void ScriptApiItem::pushPointedThing(const PointedThing& pointed)
+void ScriptApiItem::pushPointedThing(const PointedThing &pointed, bool hitpoint)
 {
        lua_State* L = getStack();
 
-       lua_newtable(L);
-       if(pointed.type == POINTEDTHING_NODE)
-       {
-               lua_pushstring(L, "node");
-               lua_setfield(L, -2, "type");
-               push_v3s16(L, pointed.node_undersurface);
-               lua_setfield(L, -2, "under");
-               push_v3s16(L, pointed.node_abovesurface);
-               lua_setfield(L, -2, "above");
-       }
-       else if(pointed.type == POINTEDTHING_OBJECT)
-       {
-               lua_pushstring(L, "object");
-               lua_setfield(L, -2, "type");
-               objectrefGet(L, pointed.object_id);
-               lua_setfield(L, -2, "ref");
-       }
-       else
-       {
-               lua_pushstring(L, "nothing");
-               lua_setfield(L, -2, "type");
-       }
+       push_pointed_thing(L, pointed, false, hitpoint);
 }