Fix warnings regarding Resource static cast

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/minecraft/mod/ResourceFolderModel.cpp

@@ -16,8 +16,6 @@
 #include "Application.h"
 #include "FileSystem.h"
 
-#include "QVariantUtils.h"
-#include "StringUtils.h"
 #include "minecraft/mod/tasks/ResourceFolderLoadTask.h"
 
 #include "Json.h"
@@ -327,7 +325,7 @@ bool ResourceFolderModel::update()
     return true;
 }
 
-void ResourceFolderModel::resolveResource(Resource* res)
+void ResourceFolderModel::resolveResource(Resource::Ptr res)
 {
     if (!res->shouldResolve()) {
         return;
@@ -386,7 +384,7 @@ void ResourceFolderModel::onUpdateSucceeded()
 void ResourceFolderModel::onParseSucceeded(int ticket, QString resource_id)
 {
     auto iter = m_active_parse_tasks.constFind(ticket);
-    if (iter == m_active_parse_tasks.constEnd())
+    if (iter == m_active_parse_tasks.constEnd() || !m_resources_index.contains(resource_id))
         return;
 
     int row = m_resources_index[resource_id];
@@ -705,7 +703,7 @@ QString ResourceFolderModel::instDirPath() const
 void ResourceFolderModel::onParseFailed(int ticket, QString resource_id)
 {
     auto iter = m_active_parse_tasks.constFind(ticket);
-    if (iter == m_active_parse_tasks.constEnd())
+    if (iter == m_active_parse_tasks.constEnd() || !m_resources_index.contains(resource_id))
         return;
 
     auto removed_index = m_resources_index[resource_id];
@@ -724,3 +722,126 @@ void ResourceFolderModel::onParseFailed(int ticket, QString resource_id)
     }
     endRemoveRows();
 }
+
+void ResourceFolderModel::applyUpdates(QSet<QString>& current_set, QSet<QString>& new_set, QMap<QString, Resource::Ptr>& new_resources)
+{
+    // see if the kept resources changed in some way
+    {
+        QSet<QString> kept_set = current_set;
+        kept_set.intersect(new_set);
+
+        for (auto const& kept : kept_set) {
+            auto row_it = m_resources_index.constFind(kept);
+            Q_ASSERT(row_it != m_resources_index.constEnd());
+            auto row = row_it.value();
+
+            auto& new_resource = new_resources[kept];
+            auto const& current_resource = m_resources.at(row);
+
+            if (new_resource->dateTimeChanged() == current_resource->dateTimeChanged()) {
+                // no significant change, ignore...
+                continue;
+            }
+
+            // If the resource is resolving, but something about it changed, we don't want to
+            // continue the resolving.
+            if (current_resource->isResolving()) {
+                auto ticket = current_resource->resolutionTicket();
+                if (m_active_parse_tasks.contains(ticket)) {
+                    auto task = (*m_active_parse_tasks.find(ticket)).get();
+                    task->abort();
+                }
+            }
+
+            m_resources[row].reset(new_resource);
+            resolveResource(m_resources.at(row));
+            emit dataChanged(index(row, 0), index(row, columnCount(QModelIndex()) - 1));
+        }
+    }
+
+    // remove resources no longer present
+    {
+        QSet<QString> removed_set = current_set;
+        removed_set.subtract(new_set);
+
+        QList<int> removed_rows;
+        for (auto& removed : removed_set)
+            removed_rows.append(m_resources_index[removed]);
+
+        std::sort(removed_rows.begin(), removed_rows.end(), std::greater<int>());
+
+        for (auto& removed_index : removed_rows) {
+            auto removed_it = m_resources.begin() + removed_index;
+
+            Q_ASSERT(removed_it != m_resources.end());
+
+            if ((*removed_it)->isResolving()) {
+                auto ticket = (*removed_it)->resolutionTicket();
+                if (m_active_parse_tasks.contains(ticket)) {
+                    auto task = (*m_active_parse_tasks.find(ticket)).get();
+                    task->abort();
+                }
+            }
+
+            beginRemoveRows(QModelIndex(), removed_index, removed_index);
+            m_resources.erase(removed_it);
+            endRemoveRows();
+        }
+    }
+
+    // add new resources to the end
+    {
+        QSet<QString> added_set = new_set;
+        added_set.subtract(current_set);
+
+        // When you have a Qt build with assertions turned on, proceeding here will abort the application
+        if (added_set.size() > 0) {
+            beginInsertRows(QModelIndex(), static_cast<int>(m_resources.size()),
+                            static_cast<int>(m_resources.size() + added_set.size() - 1));
+
+            for (auto& added : added_set) {
+                auto res = new_resources[added];
+                m_resources.append(res);
+                resolveResource(m_resources.last());
+            }
+
+            endInsertRows();
+        }
+    }
+
+    // update index
+    {
+        m_resources_index.clear();
+        int idx = 0;
+        for (auto const& mod : qAsConst(m_resources)) {
+            m_resources_index[mod->internal_id()] = idx;
+            idx++;
+        }
+    }
+}
+Resource::Ptr ResourceFolderModel::find(QString id)
+{
+    auto iter =
+        std::find_if(m_resources.constBegin(), m_resources.constEnd(), [&](Resource::Ptr const& r) { return r->internal_id() == id; });
+    if (iter == m_resources.constEnd())
+        return nullptr;
+    return *iter;
+}
+QList<Resource*> ResourceFolderModel::allResources()
+{
+    QList<Resource*> result;
+    result.reserve(m_resources.size());
+    for (const Resource ::Ptr& resource : m_resources)
+        result.append((resource.get()));
+    return result;
+}
+QList<Resource*> ResourceFolderModel::selectedResources(const QModelIndexList& indexes)
+{
+    QList<Resource*> result;
+    for (const QModelIndex& index : indexes) {
+        if (index.column() != 0)
+            continue;
+        result.append(&at(index.row()));
+    }
+    return result;
+}