Merge remote-tracking branch 'remotes/TanninOne/master' into issue/344

# Conflicts:
#	src/shared/fallout3info.h
#	src/shared/falloutnvinfo.h
#	src/shared/gameinfo.h
#	src/shared/oblivioninfo.h
#	src/shared/skyriminfo.h

1 files changed, 130 insertions, 0 deletions

diff --git a/src/modinfowithconflictinfo.cpp b/src/modinfowithconflictinfo.cpp
new file mode 100644
index 00000000..fbf2345f
--- /dev/null
+++ b/src/modinfowithconflictinfo.cpp
@@ -0,0 +1,130 @@
+#include "modinfowithconflictinfo.h"
+
+#include "directoryentry.h"
+#include "utility.h"
+
+using namespace MOBase;
+using namespace MOShared;
+
+ModInfoWithConflictInfo::ModInfoWithConflictInfo(DirectoryEntry **directoryStructure)
+  : m_DirectoryStructure(directoryStructure) {}
+
+void ModInfoWithConflictInfo::clearCaches()
+{
+  m_LastConflictCheck = QTime();
+}
+
+std::vector<ModInfo::EFlag> ModInfoWithConflictInfo::getFlags() const
+{
+  std::vector<ModInfo::EFlag> result;
+  switch (isConflicted()) {
+    case CONFLICT_MIXED: {
+      result.push_back(ModInfo::FLAG_CONFLICT_MIXED);
+    } break;
+    case CONFLICT_OVERWRITE: {
+      result.push_back(ModInfo::FLAG_CONFLICT_OVERWRITE);
+    } break;
+    case CONFLICT_OVERWRITTEN: {
+      result.push_back(ModInfo::FLAG_CONFLICT_OVERWRITTEN);
+    } break;
+    case CONFLICT_REDUNDANT: {
+      result.push_back(ModInfo::FLAG_CONFLICT_REDUNDANT);
+    } break;
+    default: { /* NOP */ }
+  }
+  return result;
+}
+
+
+void ModInfoWithConflictInfo::doConflictCheck() const
+{
+  m_OverwriteList.clear();
+  m_OverwrittenList.clear();
+
+  bool providesAnything = false;
+
+  int dataID = 0;
+  if ((*m_DirectoryStructure)->originExists(L"data")) {
+    dataID = (*m_DirectoryStructure)->getOriginByName(L"data").getID();
+  }
+
+  std::wstring name = ToWString(this->name());
+
+  m_CurrentConflictState = CONFLICT_NONE;
+
+  if ((*m_DirectoryStructure)->originExists(name)) {
+    FilesOrigin &origin = (*m_DirectoryStructure)->getOriginByName(name);
+    std::vector<FileEntry::Ptr> files = origin.getFiles();
+    // for all files in this origin
+    for (FileEntry::Ptr file : files) {
+      const std::vector<int> &alternatives = file->getAlternatives();
+      if ((alternatives.size() == 0) || (alternatives[0] == dataID)) {
+        // no alternatives -> no conflict
+        providesAnything = true;
+      } else {
+        if (file->getOrigin() != origin.getID()) {
+          FilesOrigin &altOrigin = (*m_DirectoryStructure)->getOriginByID(file->getOrigin());
+          unsigned int altIndex = ModInfo::getIndex(ToQString(altOrigin.getName()));
+          m_OverwrittenList.insert(altIndex);
+        } else {
+          providesAnything = true;
+        }
+
+        // for all non-providing alternative origins
+        for (int altId : alternatives) {
+          if ((altId != dataID) && (altId != origin.getID())) {
+            FilesOrigin &altOrigin = (*m_DirectoryStructure)->getOriginByID(altId);
+            unsigned int altIndex = ModInfo::getIndex(ToQString(altOrigin.getName()));
+            if (origin.getPriority() > altOrigin.getPriority()) {
+              m_OverwriteList.insert(altIndex);
+            } else {
+              m_OverwrittenList.insert(altIndex);
+            }
+          }
+        }
+      }
+    }
+    m_LastConflictCheck = QTime::currentTime();
+
+    if (files.size() != 0) {
+      if (!providesAnything)
+        m_CurrentConflictState = CONFLICT_REDUNDANT;
+      else if (!m_OverwriteList.empty() && !m_OverwrittenList.empty())
+        m_CurrentConflictState = CONFLICT_MIXED;
+      else if (!m_OverwriteList.empty())
+        m_CurrentConflictState = CONFLICT_OVERWRITE;
+      else if (!m_OverwrittenList.empty())
+        m_CurrentConflictState = CONFLICT_OVERWRITTEN;
+    }
+  }
+}
+
+ModInfoWithConflictInfo::EConflictType ModInfoWithConflictInfo::isConflicted() const
+{
+  // this is costy so cache the result
+  QTime now = QTime::currentTime();
+  if (m_LastConflictCheck.isNull() || (m_LastConflictCheck.secsTo(now) > 10)) {
+    doConflictCheck();
+  }
+
+  return m_CurrentConflictState;
+}
+
+
+bool ModInfoWithConflictInfo::isRedundant() const
+{
+  std::wstring name = ToWString(this->name());
+  if ((*m_DirectoryStructure)->originExists(name)) {
+    FilesOrigin &origin = (*m_DirectoryStructure)->getOriginByName(name);
+    std::vector<FileEntry::Ptr> files = origin.getFiles();
+    bool ignore = false;
+    for (auto iter = files.begin(); iter != files.end(); ++iter) {
+      if ((*iter)->getOrigin(ignore) == origin.getID()) {
+        return false;
+      }
+    }
+    return true;
+  } else {
+    return false;
+  }
+}