SaveTool: implement weapon copying.

This is necessary to add weapon copying.

src/Mass/Mass.h

@@ -101,6 +101,42 @@ struct WeaponPart {
 };
 
 struct Weapon {
+    Weapon() = default;
+
+    Weapon(const Weapon& other) {
+        name = other.name;
+        type = other.type;
+        parts = Containers::Array<WeaponPart>{other.parts.size()};
+        for(UnsignedInt i = 0; i < parts.size(); i++) {
+            parts[i] = other.parts[i];
+        }
+        customStyles = other.customStyles;
+        attached = other.attached;
+        damageType = other.damageType;
+        dualWield = other.dualWield;
+        effectColourMode = other.effectColourMode;
+        effectColour = other.effectColour;
+    }
+    Weapon& operator=(const Weapon& other) {
+        name = other.name;
+        type = other.type;
+        parts = Containers::Array<WeaponPart>{other.parts.size()};
+        for(UnsignedInt i = 0; i < parts.size(); i++) {
+            parts[i] = other.parts[i];
+        }
+        customStyles = other.customStyles;
+        attached = other.attached;
+        damageType = other.damageType;
+        dualWield = other.dualWield;
+        effectColourMode = other.effectColourMode;
+        effectColour = other.effectColour;
+
+        return *this;
+    }
+
+    Weapon(Weapon&& other) = default;
+    Weapon& operator=(Weapon&& other) = default;
+
     std::string name;
     std::string type;
     Containers::Array<WeaponPart> parts;

src/SaveTool/SaveTool_MassViewer.cpp

@@ -635,49 +635,59 @@ void SaveTool::drawWeapons() {
 
     int id = 0;
 
-#define weapcat(header, array, dirty, payload_type, payload_tooltip)                       \
-    ImGui::TableNextRow(ImGuiTableRowFlags_Headers);                                       \
-    ImGui::TableNextColumn();                                                              \
-    ImGui::TextUnformatted(header);                                                        \
-                                                                                           \
-    for(UnsignedInt i = 0; i < _currentMass->array().size(); i++) {                        \
-        auto& weapon = _currentMass->array()[i];                                           \
-                                                                                           \
-        ImGui::TableNextRow();                                                             \
-        ImGui::TableNextColumn();                                                          \
-        ImGui::PushID(id);                                                                 \
-        if(ImGui::Selectable(weapon.name.c_str(), current_weapon == &weapon)) {            \
-            current_weapon = &weapon;                                                      \
-        }                                                                                  \
-        if(ImGui::BeginDragDropSource()) {                                                 \
-            ImGui::SetDragDropPayload(payload_type, &i, sizeof(UnsignedInt));              \
-            ImGui::Text(payload_tooltip " %i - %s", i + 1, weapon.name.c_str());           \
-            ImGui::EndDragDropSource();                                                    \
-        }                                                                                  \
-        if(ImGui::BeginDragDropTarget()) {                                                 \
-            if(const ImGuiPayload* payload = ImGui::AcceptDragDropPayload(payload_type)) { \
-                int index = *static_cast<int*>(payload->Data);                             \
-                                                                                           \
-                if(current_weapon == &_currentMass->array()[index]) {                      \
-                    current_weapon = &_currentMass->array()[i];                            \
-                }                                                                          \
-                else if (current_weapon == &_currentMass->array()[i]) {                    \
-                    current_weapon = &_currentMass->array()[index];                        \
-                }                                                                          \
-                                                                                           \
-                std::swap(_currentMass->array()[index], _currentMass->array()[i]);         \
-                (dirty) = true;                                                            \
-            }                                                                              \
-                                                                                           \
-            ImGui::EndDragDropTarget();                                                    \
-        }                                                                                  \
-                                                                                           \
-        ImGui::PopID();                                                                    \
-        id++;                                                                              \
-                                                                                           \
-        if(weapon.attached == true) {                                                      \
-            ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, 0x1F008CFFu);                \
-        }                                                                                  \
+#define weapcat(header, array, dirty, payload_type, payload_tooltip)                        \
+    ImGui::TableNextRow(ImGuiTableRowFlags_Headers);                                        \
+    ImGui::TableNextColumn();                                                               \
+    ImGui::TextUnformatted(header);                                                         \
+                                                                                            \
+    for(UnsignedInt i = 0; i < _currentMass->array().size(); i++) {                         \
+        auto& weapon = _currentMass->array()[i];                                            \
+                                                                                            \
+        ImGui::TableNextRow();                                                              \
+        ImGui::TableNextColumn();                                                           \
+        ImGui::PushID(id);                                                                  \
+        if(ImGui::Selectable(weapon.name.c_str(), current_weapon == &weapon)) {             \
+            current_weapon = &weapon;                                                       \
+        }                                                                                   \
+        if(ImGui::BeginDragDropSource()) {                                                  \
+            ImGui::SetDragDropPayload(payload_type, &i, sizeof(UnsignedInt));               \
+            if(ImGui::GetIO().KeyCtrl) {                                                    \
+                ImGui::Text(payload_tooltip " %i - %s (copy)", i + 1, weapon.name.c_str()); \
+            }                                                                               \
+            else {                                                                          \
+                ImGui::Text(payload_tooltip " %i - %s", i + 1, weapon.name.c_str());        \
+            }                                                                               \
+            ImGui::EndDragDropSource();                                                     \
+        }                                                                                   \
+        if(ImGui::BeginDragDropTarget()) {                                                  \
+            if(const ImGuiPayload* payload = ImGui::AcceptDragDropPayload(payload_type)) {  \
+                int index = *static_cast<int*>(payload->Data);                              \
+                                                                                            \
+                if(!ImGui::GetIO().KeyCtrl) {                                               \
+                    if(current_weapon == &_currentMass->array()[index]) {                   \
+                        current_weapon = &_currentMass->array()[i];                         \
+                    }                                                                       \
+                    else if (current_weapon == &_currentMass->array()[i]) {                 \
+                        current_weapon = &_currentMass->array()[index];                     \
+                    }                                                                       \
+                                                                                            \
+                    std::swap(_currentMass->array()[index], _currentMass->array()[i]);      \
+                }                                                                           \
+                else {                                                                      \
+                    _currentMass->array()[i] = _currentMass->array()[index];                \
+                }                                                                           \
+                (dirty) = true;                                                             \
+            }                                                                               \
+                                                                                            \
+            ImGui::EndDragDropTarget();                                                     \
+        }                                                                                   \
+                                                                                            \
+        ImGui::PopID();                                                                     \
+        id++;                                                                               \
+                                                                                            \
+        if(weapon.attached == true) {                                                       \
+            ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, 0x1F008CFFu);                 \
+        }                                                                                   \
     }
 
     weapcat("Melee weapons",    meleeWeapons,    _meleeDirty,      "MeleeWeapon", "Melee weapon")