Feature: Region-based pathfinder for ships

src/depot_gui.cpp

@@ -908,7 +908,9 @@ struct DepotWindow : Window {
 	{
 		if (_ctrl_pressed) {
 			/* Share-clone, do not open new viewport, and keep tool active */
-			Command<CMD_CLONE_VEHICLE>::Post(STR_ERROR_CAN_T_BUY_TRAIN + v->type, this->window_number, v->index, true);
+			for (int i = 0; i < 50; ++i) { // TODO KB for performance testing, remove again
+				Command<CMD_CLONE_VEHICLE>::Post(STR_ERROR_CAN_T_BUY_TRAIN + v->type, this->window_number, v->index, true);
+			}
 		} else {
 			/* Copy-clone, open viewport for new vehicle, and deselect the tool (assume player wants to change things on new vehicle) */
 			if (Command<CMD_CLONE_VEHICLE>::Post(STR_ERROR_CAN_T_BUY_TRAIN + v->type, CcCloneVehicle, this->window_number, v->index, false)) {

src/genworld.cpp

@@ -34,6 +34,7 @@
 #include "string_func.h"
 #include "thread.h"
 #include "tgp.h"
+#include "pathfinder/water_regions.h" // TODO KB for ship pathfinder reset
 
 #include "safeguards.h"
 
@@ -173,6 +174,8 @@ static void _GenerateWorld()
 			}
 		}
 
+		ResetShipPathfinder();
+
 		BasePersistentStorageArray::SwitchMode(PSM_LEAVE_GAMELOOP);
 
 		ResetObjectToPlace();

src/misc.cpp

@@ -105,6 +105,7 @@ void InitializeGame(uint size_x, uint size_y, bool reset_date, bool reset_settin
 	InitializeIndustries();
 	InitializeObjects();
 	InitializeBuildingCounts();
+	//ResetShipPathfinder(); // TODO KB figure out if it's necessary or not
 
 	InitializeNPF();
 

src/misc_gui.cpp

@@ -28,6 +28,7 @@
 #include "viewport_func.h"
 #include "landscape_cmd.h"
 #include "rev.h"
+#include "pathfinder/water_regions.h"
 
 #include "widgets/misc_widget.h"
 
@@ -128,6 +129,9 @@ class LandInfoWindow : public Window {
 		Debug(misc, LANDINFOD_LEVEL, "m7     = {:#x}", tile.m7());
 		Debug(misc, LANDINFOD_LEVEL, "m8     = {:#x}", tile.m8());
 #undef LANDINFOD_LEVEL
+
+		// TODO debug code, remove again
+		DEBUG_UpdateWaterRegion(tile);
 	}
 
 	void OnInit() override

src/pathfinder/CMakeLists.txt

@@ -5,4 +5,6 @@ add_files(
     follow_track.hpp
     pathfinder_func.h
     pathfinder_type.h
+    water_regions.h
+    water_regions.cpp
 )