From 13ae6c69509fa31f57a0965caee06b6f79d6984b Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 4 Apr 2024 03:53:58 +0300
Subject: [PATCH] core.remove_packs

---
 res/texts/en_US.txt                 |  4 +-
 res/texts/ru_RU.txt                 |  4 +-
 src/frontend/menu/menu.h            |  6 +++
 src/frontend/menu/menu_pause.cpp    | 69 ++++++++++++++++++++---------
 src/logic/scripting/lua/libcore.cpp | 16 +++++++
 5 files changed, 75 insertions(+), 24 deletions(-)

diff --git a/res/texts/en_US.txt b/res/texts/en_US.txt
index 99b97604..94d6774b 100644
--- a/res/texts/en_US.txt
+++ b/res/texts/en_US.txt
@@ -1,7 +1,7 @@
 # Menu
 menu.missing-content=Missing Content!
 world.convert-request=Content indices have changed! Convert world files?
-pack.remove-confirm=Do you want to erase all pack content from the world forever?
+pack.remove-confirm=Do you want to erase all pack(s) content from the world forever?
 error.pack-not-found=Could not to find pack
 error.dependency-not-found=Dependency pack is not found
 world.delete-confirm=Do you want to delete world forever?
@@ -24,4 +24,4 @@ player.build=Place Block
 player.flight=Flight
 player.noclip=No-clip
 camera.zoom=Zoom
-camera.mode=Switch Camera Mode
\ No newline at end of file
+camera.mode=Switch Camera Mode
diff --git a/res/texts/ru_RU.txt b/res/texts/ru_RU.txt
index bb171626..81040ad5 100644
--- a/res/texts/ru_RU.txt
+++ b/res/texts/ru_RU.txt
@@ -10,7 +10,7 @@ Converting world...=Выполняется конвертация мира...
 
 error.pack-not-found=Не удалось найти пакет
 error.dependency-not-found=Используемая зависимость не найдена
-pack.remove-confirm=Удалить весь поставляемый паком контент из мира (безвозвратно)?
+pack.remove-confirm=Удалить весь поставляемый паком/паками контент из мира (безвозвратно)?
 
 # Меню
 menu.New World=Новый Мир
@@ -68,4 +68,4 @@ player.attack=Атаковать / Сломать
 player.build=Поставить Блок
 player.flight=Полёт
 camera.zoom=Приближение
-camera.mode=Сменить Режим Камеры
\ No newline at end of file
+camera.mode=Сменить Режим Камеры
diff --git a/src/frontend/menu/menu.h b/src/frontend/menu/menu.h
index 07bae264..aa9d7ed8 100644
--- a/src/frontend/menu/menu.h
+++ b/src/frontend/menu/menu.h
@@ -47,6 +47,12 @@ namespace menus {
     /// @param engine engine instance
     void delete_world(std::string name, Engine* engine);
 
+    void remove_packs(
+        Engine* engine, 
+        LevelController* controller, 
+        std::vector<std::string> packs
+    );
+
     /// @brief Create development version label at the top-right screen corner
     void create_version_label(Engine* engine);
     void create_menus(Engine* engine);
diff --git a/src/frontend/menu/menu_pause.cpp b/src/frontend/menu/menu_pause.cpp
index deba7513..5566a903 100644
--- a/src/frontend/menu/menu_pause.cpp
+++ b/src/frontend/menu/menu_pause.cpp
@@ -60,21 +60,23 @@ std::shared_ptr<Container> create_pack_panel(
     if (!pack.creator.empty()) {
         packpanel->add(guiutil::create(
             "<label color='#CCFFE5B2' size='300,20' align='right' pos='215,60'>"+
-            pack.creator+
+                pack.creator+
             "</label>"
         ));
     }
 
-    auto descriptionlabel = std::make_shared<Label>(pack.description);
-    descriptionlabel->setColor(glm::vec4(1, 1, 1, 0.7f));
-    packpanel->add(descriptionlabel, glm::vec2(80, 28));
+    packpanel->add(guiutil::create(
+        "<label pos='80,28' color='#FFFFFFB2'>" +
+            pack.description +
+        "</label>"
+    ));
 
     packpanel->add(std::make_shared<Image>(icon, glm::vec2(64)), glm::vec2(8));
 
     if (remover && pack.id != "base") {
         auto rembtn = guiutil::create(
             "<button color='#00000000' hover-color='#FFFFFF2B'>"
-            "    <image src='gui/cross' size='32,32'/>"
+                "<image src='gui/cross' size='32,32'/>"
             "</button>"
         );
         rembtn->listenAction([=](GUI* gui) {
@@ -134,6 +136,46 @@ static bool try_add_dependency(Engine* engine, World* world, const ContentPack&
     return false;
 }
 
+void menus::remove_packs(
+    Engine* engine,
+    LevelController* controller,
+    std::vector<std::string> packsToRemove
+) {
+    auto content = engine->getContent();
+    auto world = controller->getLevel()->getWorld();
+    bool hasIndices = false;
+
+    std::stringstream ss;
+    for (const auto& id : packsToRemove) {
+        if (content->getPackRuntime(id)->getStats().hasSavingContent()) {
+            if (hasIndices) {
+                ss << ", ";
+            }
+            hasIndices = true;
+            ss << id;
+        }
+    }
+
+    runnable removeFunc = [=]() {
+        controller->saveWorld();
+        for (const auto& id : packsToRemove) {
+            world->wfile->removePack(world, id);
+        }
+        reopen_world(engine, world);
+    };
+
+    if (hasIndices) {
+        guiutil::confirm(
+            engine->getGUI(), 
+            langs::get(L"remove-confirm", L"pack")+
+            L" ("+util::str2wstr_utf8(ss.str())+L")", 
+            [=]() {removeFunc();}
+        );
+    } else {
+        removeFunc();
+    }
+}
+
 void create_content_panel(Engine* engine, LevelController* controller) {
     auto level = controller->getLevel();
     auto menu = engine->getGUI()->getMenu();
@@ -149,24 +191,11 @@ void create_content_panel(Engine* engine, LevelController* controller) {
             }
         }
     }
-
     auto panel = menus::create_packs_panel(
         engine->getContentPacks(), engine, false, nullptr, 
         [=](const ContentPack& pack) {
-            auto world = level->getWorld();
-            auto runtime = engine->getContent()->getPackRuntime(pack.id);
-            if (runtime->getStats().hasSavingContent()) {
-                guiutil::confirm(engine->getGUI(), langs::get(L"remove-confirm", L"pack")+
-                L" ("+util::str2wstr_utf8(pack.id)+L")", [=]() {
-                    controller->saveWorld();
-                    world->wfile->removePack(world, pack.id);
-                    reopen_world(engine, world);
-                });
-            } else {
-                controller->saveWorld();
-                world->wfile->removePack(world, pack.id);
-                reopen_world(engine, world);
-            }
+            std::vector<std::string> packsToRemove {pack.id};
+            menus::remove_packs(engine, controller, packsToRemove);
         }
     );
     mainPanel->add(panel);
diff --git a/src/logic/scripting/lua/libcore.cpp b/src/logic/scripting/lua/libcore.cpp
index 11648ff0..6c25500f 100644
--- a/src/logic/scripting/lua/libcore.cpp
+++ b/src/logic/scripting/lua/libcore.cpp
@@ -57,6 +57,21 @@ static int l_delete_world(lua_State* L) {
     return 0;
 }
 
+static int l_remove_packs(lua_State* L) {
+    if (!lua_istable(L, 1)) {
+        luaL_error(L, "strings array expected as an argument");
+    }
+    std::vector<std::string> packs;
+    int len = lua_objlen(L, 1);
+    for (int i = 0; i < len; i++) {
+        lua_rawgeti(L, -1, i+1);
+        packs.push_back(lua_tostring(L, -1));
+        lua_pop(L, 1);
+    }
+    menus::remove_packs(scripting::engine, scripting::controller, packs);
+    return 0;
+}
+
 static int l_get_bindings(lua_State* L) {
     auto& bindings = Events::bindings;
     lua_createtable(L, bindings.size(), 0);
@@ -101,6 +116,7 @@ const luaL_Reg corelib [] = {
     {"open_world", lua_wrap_errors<l_open_world>},
     {"close_world", lua_wrap_errors<l_close_world>},
     {"delete_world", lua_wrap_errors<l_delete_world>},
+    {"remove_packs", lua_wrap_errors<l_remove_packs>},
     {"get_bindings", lua_wrap_errors<l_get_bindings>},
     {"get_setting", lua_wrap_errors<l_get_setting>},
     {"set_setting", lua_wrap_errors<l_set_setting>},