Add hotkeys to save and load blueprints into slots

src/citymania/cm_blueprint.cpp

@@ -5,13 +5,16 @@
 #include "cm_commands.hpp"
 #include "cm_highlight.hpp"
 
+#include "../console_func.h"
 #include "../command_func.h"
+#include "../error.h"
 #include "../debug.h"
 #include "../direction_type.h"
 #include "../rail_map.h"
 #include "../station_cmd.h"
 #include "../station_map.h"
 #include "../station_base.h"
+#include "../strings_func.h"
 #include "../tilearea_type.h"
 #include "../tunnelbridge_map.h"
 #include "../network/network.h"
@@ -37,6 +40,9 @@ namespace citymania {
 
 
 std::pair<TileIndex, sp<Blueprint>> _active_blueprint = std::make_pair(INVALID_TILE, nullptr);
+const size_t MAX_BLUEPRINT_SLOTS = 16;
+
+sp<Blueprint> _blueprint_slots[16] = {};
 
 TileIndexDiffC operator+(const TileIndexDiffC &a, const TileIndexDiffC &b) {
     return TileIndexDiffC{(int16)(a.x + b.x), (int16)(a.y + b.y)};
@@ -569,9 +575,8 @@ void BlueprintCopyArea(TileIndex start, TileIndex end) {
     _active_blueprint = std::make_pair(start, blueprint);
 }
 
-
 void UpdateBlueprintTileSelection(Point pt, TileIndex tile) {
-    if (tile == INVALID_TILE || _active_blueprint.first == INVALID_TILE || !_active_blueprint.second) {
+    if (_active_blueprint.second == nullptr) {
         _thd.cm_new = ObjectHighlight{};
         return;
     }
@@ -657,5 +662,20 @@ void BuildActiveBlueprint(TileIndex start) {
     BuildBlueprint(_active_blueprint.second, start);
 }
 
+void SaveBlueprint(uint slot) {
+    if (slot >= MAX_BLUEPRINT_SLOTS) return;
+    _blueprint_slots[slot] = _active_blueprint.second;
+    _active_blueprint = {INVALID_TILE, nullptr};
+}
+
+bool LoadBlueprint(uint slot) {
+    if (slot >= MAX_BLUEPRINT_SLOTS) return false;
+    _active_blueprint = {INVALID_TILE, _blueprint_slots[slot]};
+    if (_active_blueprint.second == nullptr) {
+        SetDParam(0, slot);
+        ShowErrorMessage(CM_STR_NO_BLUEPRINT_IN_SLOT, INVALID_STRING_ID, WL_ERROR);
+    }
+    return _active_blueprint.second != nullptr;
+}
 
 }  // namespace citymania

src/citymania/cm_blueprint.hpp

@@ -15,6 +15,8 @@ void SetBlueprintHighlight(const TileInfo *ti, TileHighlight &th);
 void UpdateBlueprintTileSelection(Point pt, TileIndex tile);
 void BuildActiveBlueprint(TileIndex start);
 void RotateActiveBlueprint();
+void SaveBlueprint(uint slot);
+bool LoadBlueprint(uint slot);
 
 void CommandExecuted(bool res, TileIndex tile, uint32 p1, uint32 p2, uint32 cmd);
 

src/lang/english.txt

@@ -6063,3 +6063,5 @@ CM_STR_INDUSTRY_TYPE_WITH_ID                                    :{STRING} {SILVE
 CM_STR_CONFIG_SETTING_TYPE_DROPDOWN_CITYMANIA                   :CityMania patchpack settings
 
 CM_BUILDING_PREVIEW_COST_ENOUGH                                 :Cost
+
+CM_STR_NO_BLUEPRINT_IN_SLOT                                     :{WHITE}No blueprint in slot {NUM}

src/rail_gui.cpp

@@ -73,6 +73,10 @@ static const int HOTKEY_NEW_POLYRAIL = 0x1001;
 static const int HOTKEY_BLUEPRINT_ROTATE = 0x1002;
 static const int HOTKEY_BUILD_STATION_SIZED = 0x1010;     ///< Build a station in fixed size mode.
 static const int HOTKEY_BUILD_STATION_DRAGDROP = 0x1011;  ///< Build a station in dragdrop mode.
+static const int HOTKEY_BLUEPRINT_LOAD = 0x1020;
+static const int HOTKEY_BLUEPRINT_LOAD_END = 0x1030;
+static const int HOTKEY_BLUEPRINT_SAVE = 0x1030;
+static const int HOTKEY_BLUEPRINT_SAVE_END = 0x1040;
 
 struct RailStationGUISettings {
 	Axis orientation;                 ///< Currently selected rail station orientation
@@ -709,8 +713,20 @@ struct BuildRailToolbarWindow : Window {
 			case HOTKEY_BLUEPRINT_ROTATE:
 				if (this->last_user_action == CM_WID_RAT_BLUEPRINT_PLACE) {
 					citymania::RotateActiveBlueprint();
+					return ES_HANDLED;
 				}
 				break;
+			case HOTKEY_BLUEPRINT_LOAD ... HOTKEY_BLUEPRINT_LOAD_END - 1:
+				if (citymania::LoadBlueprint(hotkey - HOTKEY_BLUEPRINT_LOAD)) {
+					ResetObjectToPlace();
+					SetObjectToPlace(SPR_CURSOR_RAIL_STATION, PAL_NONE, CM_HT_BLUEPRINT_PLACE, this->window_class, this->window_number, CM_DDSP_BLUEPRINT_AREA);
+					this->last_user_action = CM_WID_RAT_BLUEPRINT_PLACE;
+				}
+				return ES_HANDLED;
+			case HOTKEY_BLUEPRINT_SAVE ... HOTKEY_BLUEPRINT_SAVE_END - 1:
+				citymania::SaveBlueprint(hotkey - HOTKEY_BLUEPRINT_SAVE);
+				ResetObjectToPlace();
+				return ES_HANDLED;
 		}
 
 		return Window::OnHotkey(hotkey);
@@ -954,6 +970,26 @@ static Hotkey railtoolbar_hotkeys[] = {
 	Hotkey('R', "remove", WID_RAT_REMOVE),
 	Hotkey('C', "convert", WID_RAT_CONVERT_RAIL),
 	Hotkey((uint16)0, "cm_blueprint", CM_WID_RAT_BLUEPRINT),
+	Hotkey((uint16)0, "cm_blueprint_load_0", HOTKEY_BLUEPRINT_LOAD + 0),
+	Hotkey((uint16)0, "cm_blueprint_load_1", HOTKEY_BLUEPRINT_LOAD + 1),
+	Hotkey((uint16)0, "cm_blueprint_load_2", HOTKEY_BLUEPRINT_LOAD + 2),
+	Hotkey((uint16)0, "cm_blueprint_load_3", HOTKEY_BLUEPRINT_LOAD + 3),
+	Hotkey((uint16)0, "cm_blueprint_load_4", HOTKEY_BLUEPRINT_LOAD + 4),
+	Hotkey((uint16)0, "cm_blueprint_load_5", HOTKEY_BLUEPRINT_LOAD + 5),
+	Hotkey((uint16)0, "cm_blueprint_load_6", HOTKEY_BLUEPRINT_LOAD + 6),
+	Hotkey((uint16)0, "cm_blueprint_load_7", HOTKEY_BLUEPRINT_LOAD + 7),
+	Hotkey((uint16)0, "cm_blueprint_load_8", HOTKEY_BLUEPRINT_LOAD + 8),
+	Hotkey((uint16)0, "cm_blueprint_load_9", HOTKEY_BLUEPRINT_LOAD + 9),
+	Hotkey((uint16)0, "cm_blueprint_save_0", HOTKEY_BLUEPRINT_SAVE + 0),
+	Hotkey((uint16)0, "cm_blueprint_save_1", HOTKEY_BLUEPRINT_SAVE + 1),
+	Hotkey((uint16)0, "cm_blueprint_save_2", HOTKEY_BLUEPRINT_SAVE + 2),
+	Hotkey((uint16)0, "cm_blueprint_save_3", HOTKEY_BLUEPRINT_SAVE + 3),
+	Hotkey((uint16)0, "cm_blueprint_save_4", HOTKEY_BLUEPRINT_SAVE + 4),
+	Hotkey((uint16)0, "cm_blueprint_save_5", HOTKEY_BLUEPRINT_SAVE + 5),
+	Hotkey((uint16)0, "cm_blueprint_save_6", HOTKEY_BLUEPRINT_SAVE + 6),
+	Hotkey((uint16)0, "cm_blueprint_save_7", HOTKEY_BLUEPRINT_SAVE + 7),
+	Hotkey((uint16)0, "cm_blueprint_save_8", HOTKEY_BLUEPRINT_SAVE + 8),
+	Hotkey((uint16)0, "cm_blueprint_save_9", HOTKEY_BLUEPRINT_SAVE + 9),
 	Hotkey(CM_WKC_MOUSE_MIDDLE, "cm_blueprint_rotate", HOTKEY_BLUEPRINT_ROTATE),
 	HOTKEY_LIST_END
 };