From e1a495ee306290b3bec2de9aa298aac1528e9243 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Sun, 2 Sep 2012 22:51:38 +0300 Subject: [PATCH] Make inventory GUI do sane things when server-side inventory acts unusually --- src/guiFormSpecMenu.cpp | 68 +++++++++++++++++++++++++++++++++++++--- src/guiFormSpecMenu.h | 6 ++++ src/inventorymanager.cpp | 12 +++++++ src/inventorymanager.h | 23 ++++++++++++++ 4 files changed, 105 insertions(+), 4 deletions(-) diff --git a/src/guiFormSpecMenu.cpp b/src/guiFormSpecMenu.cpp index 41ec0f3d..ed44e441 100644 --- a/src/guiFormSpecMenu.cpp +++ b/src/guiFormSpecMenu.cpp @@ -733,6 +733,54 @@ void GUIFormSpecMenu::drawMenu() void GUIFormSpecMenu::updateSelectedItem() { + // WARNING: BLACK MAGIC + // See if there is a stack suited for our current guess. + // If such stack does not exist, clear the guess. + if(m_selected_content_guess.name != "") + { + bool found = false; + for(u32 i=0; igetInventory(s.inventoryloc); + if(!inv) + continue; + InventoryList *list = inv->getList(s.listname); + if(!list) + continue; + for(s32 i=0; i= list->getSize()) + continue; + ItemStack stack = list->getItem(item_i); + if(stack.name == m_selected_content_guess.name && + stack.count == m_selected_content_guess.count){ + found = true; + if(m_selected_item){ + // If guessed stack is already selected, all is fine + if(m_selected_item->inventoryloc == s.inventoryloc && + m_selected_item->listname == s.listname && + m_selected_item->i == (s32)item_i && + m_selected_amount == stack.count){ + break; + } + delete m_selected_item; + m_selected_item = NULL; + } + infostream<<"Client: Changing selected content guess to " + <idef()); - if(leftover.count == stack_from.count) + // If source stack cannot be added to destination stack at all, + // they are swapped + if(leftover.count == stack_from.count && leftover.name == stack_from.name) { - // Swap the stacks m_selected_amount = stack_to.count; + // In case the server doesn't directly swap them but instead + // moves stack_to somewhere else, set this + m_selected_content_guess = stack_to; + m_selected_content_guess_inventory = s.inventoryloc; } + // Source stack goes fully into destination stack else if(leftover.empty()) { - // Item fits m_selected_amount -= move_amount; + m_selected_content_guess = ItemStack(); // Clear } + // Source stack goes partly into destination stack else { - // Item only fits partially move_amount -= leftover.count; m_selected_amount -= move_amount; + m_selected_content_guess = ItemStack(); // Clear } infostream<<"Handing IACTION_MOVE to manager"< 0) { + m_selected_content_guess = ItemStack(); // Clear + // Send IACTION_DROP assert(m_selected_item && m_selected_item->isValid()); @@ -1107,6 +1164,8 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event) } else if(craft_amount > 0) { + m_selected_content_guess = ItemStack(); // Clear + // Send IACTION_CRAFT assert(s.isValid()); @@ -1126,6 +1185,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event) m_selected_item = NULL; m_selected_amount = 0; m_selected_dragging = false; + m_selected_content_guess = ItemStack(); } } if(event.EventType==EET_GUI_EVENT) diff --git a/src/guiFormSpecMenu.h b/src/guiFormSpecMenu.h index f0a5988e..5c01bdcd 100644 --- a/src/guiFormSpecMenu.h +++ b/src/guiFormSpecMenu.h @@ -212,6 +212,12 @@ protected: ItemSpec *m_selected_item; u32 m_selected_amount; bool m_selected_dragging; + + // WARNING: BLACK MAGIC + // Used to guess and keep up with some special things the server can do. + // If name is "", no guess exists. + ItemStack m_selected_content_guess; + InventoryLocation m_selected_content_guess_inventory; v2s32 m_pointer; gui::IGUIStaticText *m_tooltip_element; diff --git a/src/inventorymanager.cpp b/src/inventorymanager.cpp index e2e53783..1a7f56f3 100644 --- a/src/inventorymanager.cpp +++ b/src/inventorymanager.cpp @@ -332,6 +332,18 @@ void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGame // If source is infinite, reset it's stack if(src_can_take_count == -1){ + // If destination stack is of different type and there are leftover + // items, attempt to put the leftover items to a different place in the + // destination inventory. + // The client-side GUI will try to guess if this happens. + if(from_stack_was.name != to_stack_was.name){ + for(u32 i=0; igetSize(); i++){ + if(list_to->getItem(i).empty()){ + list_to->changeItem(i, to_stack_was); + break; + } + } + } list_from->deleteItem(from_i); list_from->addItem(from_i, from_stack_was); } diff --git a/src/inventorymanager.h b/src/inventorymanager.h index dae14f1a..f81f5b97 100644 --- a/src/inventorymanager.h +++ b/src/inventorymanager.h @@ -66,6 +66,29 @@ struct InventoryLocation name = name_; } + bool operator==(const InventoryLocation &other) const + { + if(type != other.type) + return false; + switch(type){ + case UNDEFINED: + return false; + case CURRENT_PLAYER: + return true; + case PLAYER: + return (name == other.name); + case NODEMETA: + return (p == other.p); + case DETACHED: + return (name == other.name); + } + return false; + } + bool operator!=(const InventoryLocation &other) const + { + return !(*this == other); + } + void applyCurrentPlayer(const std::string &name_) { if(type == CURRENT_PLAYER) -- 2.30.2