Radius overlay

libs/s25main/FOWObjects.h

@@ -32,6 +32,7 @@ class fowBuilding : public FOWObject
     void Serialize(SerializedGameData& sgd) const override;
     void Draw(DrawPoint drawPt) const override;
     FoW_Type GetType() const override { return FoW_Type::Building; }
+    BuildingType GetBuildingType() const { return type; }
 };
 
 /// Baustelle

libs/s25main/GlobalGameSettings.cpp

@@ -108,7 +108,8 @@ void GlobalGameSettings::registerAllAddons()
         AddonForesterFarmFieldAvoidance,
         AddonForesterReachRadius,
         AddonWoodcutterReachRadius,
-        AddonStonemasonReachRadius
+        AddonStonemasonReachRadius,
+        AddonBuildingRadius
     >;
     // clang-format on
     using namespace boost::mp11;
@@ -155,7 +156,7 @@ const GlobalGameSettings::AddonWithState* GlobalGameSettings::getAddon(AddonId i
 bool GlobalGameSettings::isEnabled(AddonId id) const
 {
     const auto* addon = getAddon(id);
-    return addon && addon->status != addon->addon->getDefaultStatus();
+    return addon && addon->status != 0;
 }
 
 unsigned GlobalGameSettings::getSelection(AddonId id) const

libs/s25main/addons/AddonBool.cpp

@@ -7,8 +7,8 @@
 #include "Window.h"
 #include "controls/ctrlCheck.h"
 
-AddonBool::AddonBool(const AddonId id, AddonGroup groups, const std::string& name, const std::string& description)
-    : Addon(id, groups, name, description, 0)
+AddonBool::AddonBool(const AddonId id, AddonGroup groups, const std::string& name, const std::string& description, unsigned defaultStatus)
+    : Addon(id, groups, name, description, defaultStatus)
 {}
 
 std::unique_ptr<AddonGui> AddonBool::createGui(Window& window, bool readonly) const

libs/s25main/addons/AddonBool.h

@@ -20,7 +20,7 @@ class AddonBool : public Addon
     };
 
 public:
-    AddonBool(AddonId id, AddonGroup groups, const std::string& name, const std::string& description);
+    AddonBool(AddonId id, AddonGroup groups, const std::string& name, const std::string& description, unsigned defaultStatus = 0);
 
     unsigned getNumOptions() const override;
 

libs/s25main/addons/AddonBuildingRadius.h

@@ -0,0 +1,22 @@
+// Copyright (C) 2005 - 2026 Settlers Freaks (sf-team at siedler25.org)
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "AddonBool.h"
+#include "mygettext/mygettext.h"
+
+/**
+ *  Show building radius information in tooltips and as map overlay
+ */
+class AddonBuildingRadius : public AddonBool
+{
+public:
+    AddonBuildingRadius()
+        : AddonBool(AddonId::BUILDING_RADIUS, AddonGroup::GamePlay, _("Show building radius"),
+                    _("Shows the working radius of buildings in the build menu tooltip and as an overlay on the map "
+                      "when hovering over a building icon or selecting a building."),
+                    1) // Enabled by default
+    {}
+};

libs/s25main/addons/Addons.h

@@ -70,3 +70,5 @@
 #include "addons/AddonForesterReachRadius.h"
 #include "addons/AddonStonemasonReachRadius.h"
 #include "addons/AddonWoodcutterReachRadius.h"
+
+#include "addons/AddonBuildingRadius.h"

libs/s25main/addons/const_addons.h

@@ -28,6 +28,7 @@
 // 010 aztimh
 // 011 DevOpsOfChaos
 // 012 MichalLabuda
+// 013 Morgan
 
 // Do not forget to add your Addon to GlobalGameSettings::registerAllAddons @ GlobalGameSettings.cpp!
 // Never use a number twice!
@@ -82,7 +83,9 @@ ENUM_WITH_STRING(AddonId, LIMIT_CATAPULTS = 0x00000000, INEXHAUSTIBLE_MINES = 0x
                  FORESTER_FARM_FIELD_AVOIDANCE = 0x01100000,
 
                  FORESTER_REACH_RADIUS = 0x01200000, WOODCUTTER_REACH_RADIUS = 0x01200001,
-                 STONEMASON_REACH_RADIUS = 0x01200002)
+                 STONEMASON_REACH_RADIUS = 0x01200002,
+
+                 BUILDING_RADIUS = 0x01300000)
 //-V:AddonId:801
 
 enum class AddonGroup : unsigned

libs/s25main/figures/nofCatapultMan.cpp

@@ -121,7 +121,7 @@ void nofCatapultMan::HandleDerivedEvent(const unsigned /*id*/)
                         unsigned distance = world->CalcDistance(pos, building->GetPos());
 
                         // Entfernung nicht zu hoch?
-                        if(distance < 14)
+                        if(distance <= CATAPULT_MAX_TARGET_RANGE)
                         {
                             // Mit in die Liste aufnehmen
                             possibleTargets.push_back(PossibleTarget(building->GetPos(), distance));

libs/s25main/figures/nofCatapultMan.h

@@ -8,6 +8,9 @@
 class SerializedGameData;
 class nobUsual;
 
+/// Maximum distance to a target the catapult can attack (distance < 14 -> max 13)
+constexpr unsigned CATAPULT_MAX_TARGET_RANGE = 13;
+
 /// Arbeiter im Katapult
 class nofCatapultMan : public nofBuildingWorker
 {

libs/s25main/figures/nofHunter.cpp

@@ -132,16 +132,14 @@ void nofHunter::HandleDerivedEvent(unsigned /*id*/)
 void nofHunter::TryStartHunting()
 {
     // Find animals in a square around building (actually should be circle, but animals are moving anyway)
-    const int SQUARE_SIZE = 19;
-
     // Liste mit den gefundenen Tieren
     std::vector<noAnimal*> available_animals;
 
     // Durchgehen und nach Tieren suchen
     Position curPos;
-    for(curPos.y = pos.y - SQUARE_SIZE; curPos.y <= pos.y + SQUARE_SIZE; ++curPos.y)
+    for(curPos.y = pos.y - HUNTER_SEARCH_HALFSIDE; curPos.y <= pos.y + HUNTER_SEARCH_HALFSIDE; ++curPos.y)
     {
-        for(curPos.x = pos.x - SQUARE_SIZE; curPos.x <= pos.x + SQUARE_SIZE; ++curPos.x)
+        for(curPos.x = pos.x - HUNTER_SEARCH_HALFSIDE; curPos.x <= pos.x + HUNTER_SEARCH_HALFSIDE; ++curPos.x)
         {
             MapPoint curMapPos = world->MakeMapPoint(curPos);
 

libs/s25main/figures/nofHunter.h

@@ -7,6 +7,9 @@
 #include "nofBuildingWorker.h"
 #include "gameTypes/Direction.h"
 
+/// Half-side length of the square the hunter scans for animals (centered on the building)
+constexpr int HUNTER_SEARCH_HALFSIDE = 19;
+
 class noAnimal;
 class SerializedGameData;
 class nobUsual;

libs/s25main/gameData/BuildingConsts.cpp

@@ -3,7 +3,13 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "BuildingConsts.h"
+#include "figures/nofCatapultMan.h"
+#include "figures/nofFarmhand.h"
+#include "figures/nofHunter.h"
 #include "mygettext/mygettext.h"
+#include "gameTypes/BuildingTypes.h"
+#include "gameData/GameConsts.h"
+#include "gameData/MilitaryConsts.h"
 #include <type_traits>
 
 const helpers::EnumArray<const char*, BuildingType> BUILDING_NAMES = {
@@ -409,3 +415,48 @@ const helpers::MultiEnumArray<DrawPoint, Nation, BuildingType> BUILDING_ARMOR_SI
     babylonians[BuildingType::Fortress] = DrawPoint(20, -34);
     return result;
 }();
+
+unsigned GetBuildingRadius(BuildingType bld)
+{
+    switch(bld)
+    {
+        // Military buildings (territory influence radius) — from MilitaryConsts.h
+        case BuildingType::Barracks: return MILITARY_RADIUS[0];
+        case BuildingType::Guardhouse: return MILITARY_RADIUS[1];
+        case BuildingType::Watchtower: return MILITARY_RADIUS[2];
+        case BuildingType::Fortress: return MILITARY_RADIUS[3];
+        // Headquarters
+        case BuildingType::Headquarters: return HQ_RADIUS;
+        // Harbor building
+        case BuildingType::HarborBuilding: return HARBOR_RADIUS;
+        // Lookout tower — scouting visibility range
+        case BuildingType::LookoutTower: return VISUALRANGE_LOOKOUTTOWER;
+        // Catapult attack range
+        case BuildingType::Catapult: return CATAPULT_MAX_TARGET_RANGE;
+        // Hunter searches for animals in a square of this half-side length
+        case BuildingType::Hunter: return HUNTER_SEARCH_HALFSIDE;
+        // Mines — miner stays inside and extracts from adjacent tiles
+        case BuildingType::GraniteMine:
+        case BuildingType::CoalMine:
+        case BuildingType::IronMine:
+        case BuildingType::GoldMine: return MINER_RADIUS;
+        // Farmhand-based buildings — worker goes out to gather resources from the map.
+        // Map each building type to its job via BLD_WORK_DESC, then query the work
+        // radius from nofFarmhand::GetWorkRadius.
+        case BuildingType::Woodcutter:
+        case BuildingType::Forester:
+        case BuildingType::Fishery:
+        case BuildingType::Quarry:
+        case BuildingType::Farm:
+        case BuildingType::Vineyard:
+        case BuildingType::Charburner:
+        {
+            const auto job = BLD_WORK_DESC[bld].job;
+            if(job)
+                return nofFarmhand::GetWorkRadius(*job);
+            return 0;
+        }
+        // All other building types have no relevant radius overlay
+        default: return 0;
+    }
+}

libs/s25main/gameData/BuildingConsts.h

@@ -119,3 +119,6 @@ constexpr std::array<DrawPoint, 4> SUPPRESS_UNUSED NUBIAN_MINE_FIRE = {{
 
 /// Hilfetexte für Gebäude
 extern const helpers::EnumArray<const char*, BuildingType> BUILDING_HELP_STRINGS;
+
+/// Get the radius in tiles for a building type (worker reach, territory influence, attack range, etc.)
+unsigned GetBuildingRadius(BuildingType bld);

libs/s25main/ingameWindows/iwAction.cpp

@@ -28,6 +28,7 @@
 #include "nodeObjs/noFlag.h"
 #include "gameData/BuildingConsts.h"
 #include "gameData/const_gui_ids.h"
+#include <boost/format.hpp>
 #include <sstream>
 
 // Tab - Flags
@@ -159,6 +160,7 @@ iwAction::iwAction(GameInterface& gi, GameWorldView& gwv, const Tabs& tabs, MapP
             building_available[BuildingType::LeatherWorks] = false;
         }
 
+        const bool showBuildingRadius = gwv.GetWorld().GetGGS().isEnabled(AddonId::BUILDING_RADIUS);
         constexpr helpers::EnumArray<unsigned, BuildTab> NUM_TABS = {1, 2, 3, 1, 3};
 
         for(unsigned char i = 0; i < NUM_TABS[tabs.build_tabs]; ++i)
@@ -175,6 +177,13 @@ iwAction::iwAction(GameInterface& gi, GameWorldView& gwv, const Tabs& tabs, MapP
                 std::stringstream tooltip;
                 tooltip << _(BUILDING_NAMES[bld]);
 
+                // Radius anzeigen falls vorhanden
+                unsigned radius = 0;
+                if(showBuildingRadius)
+                    radius = GetBuildingRadius(bld);
+                if(radius > 0)
+                    tooltip << boost::format(_("\nRange: %1% tiles")) % radius;
+
                 tooltip << _("\nCosts: ");
                 if(BUILDING_COSTS[bld].boards > 0)
                     tooltip << (int)BUILDING_COSTS[bld].boards << _(" boards");
@@ -407,6 +416,7 @@ void iwAction::Close()
 {
     if(ShouldBeClosed())
         return;
+    gwv.SetRadiusPreview(std::nullopt);
     IngameWindow::Close();
     if(mousePosAtOpen_.isValid())
         VIDEODRIVER.SetMousePos(mousePosAtOpen_);
@@ -526,6 +536,30 @@ void iwAction::Msg_Group_TabChange(const unsigned /*group_id*/, const unsigned c
 void iwAction::Msg_PaintAfter()
 {
     IngameWindow::Msg_PaintAfter();
+
+    // Resolve building icon hover preview after all mouse events are processed
+    auto* mainTab = GetCtrl<ctrlTab>(0);
+    auto* buildTabCtrl =
+      (mainTab && mainTab->GetCurrentTab() == TAB_BUILD) ? mainTab->GetGroup(TAB_BUILD)->GetCtrl<ctrlTab>(1) : nullptr;
+    auto* bldGroup = buildTabCtrl ? buildTabCtrl->GetGroup(buildTabCtrl->GetCurrentTab()) : nullptr;
+
+    bool hasHoveredIcon = false;
+    if(bldGroup && gwv.GetWorld().GetGGS().isEnabled(AddonId::BUILDING_RADIUS))
+    {
+        for(auto* icon : bldGroup->GetCtrls<ctrlBuildingIcon>())
+        {
+            const unsigned radius = GetBuildingRadius(icon->GetType());
+            if(icon->IsMouseOver() && radius > 0)
+            {
+                gwv.SetRadiusPreview(std::make_pair(selectedPt, radius));
+                hasHoveredIcon = true;
+                break;
+            }
+        }
+    }
+    if(!hasHoveredIcon)
+        gwv.SetRadiusPreview(std::nullopt);
+
     auto* tab = GetCtrl<ctrlTab>(0);
     if(tab)
     {

libs/s25main/world/GameWorldView.cpp

@@ -11,7 +11,10 @@
 #include "GlobalGameSettings.h"
 #include "Loader.h"
 #include "MapGeometry.h"
+#include "ReturnMapPointWithRadius.h"
 #include "Settings.h"
+#include "Window.h"
+#include "WindowManager.h"
 #include "addons/AddonMaxWaterwayLength.h"
 #include "buildings/noBuildingSite.h"
 #include "buildings/nobMilitary.h"
@@ -36,6 +39,7 @@
 #include <glad/glad.h>
 #include <boost/format.hpp>
 #include <cmath>
+#include <optional>
 
 GameWorldView::GameWorldView(const GameWorldViewer& gwv, const Position& pos, const Extent& size)
     : selPt(0, 0), show_bq(SETTINGS.ingame.showBQ), show_names(SETTINGS.ingame.showNames),
@@ -220,6 +224,37 @@ void GameWorldView::Draw(const RoadBuildState& rb, const MapPoint selected, bool
     if(show_names || show_productivity)
         DrawNameProductivityOverlay(terrainRenderer);
 
+    // Draw radius preview outline
+    if(radiusPreview_)
+        DrawRadiusOutline(radiusPreview_->first, radiusPreview_->second);
+
+    // Auto-detect radius for the building under the cursor.
+    // Do not trigger hover when the mouse is over an ingame window.
+    if(!radiusPreview_ && GetWorld().GetGGS().isEnabled(AddonId::BUILDING_RADIUS)
+       && !WINDOWMANAGER.FindWindowAtPos(VIDEODRIVER.GetMousePos()))
+    {
+        std::optional<BuildingType> bldType;
+        const Visibility vis = gwv.GetVisibility(selPt);
+        if(vis == Visibility::Visible)
+        {
+            const auto* bld = GetWorld().GetSpecObj<noBaseBuilding>(selPt);
+            if(bld)
+                bldType = bld->GetBuildingType();
+        } else if(vis == Visibility::FogOfWar)
+        {
+            const FOWObject* fow = gwv.GetYoungestFOWObject(selPt);
+            if(fow && fow->GetType() == FoW_Type::Building)
+                bldType = static_cast<const fowBuilding&>(*fow).GetBuildingType();
+        }
+
+        if(bldType)
+        {
+            const unsigned bldRadius = GetBuildingRadius(*bldType);
+            if(bldRadius > 0)
+                DrawRadiusOutline(selPt, bldRadius);
+        }
+    }
+
     DrawGUI(rb, terrainRenderer, selected, drawMouse);
 
     // Draw catapult stones
@@ -713,6 +748,60 @@ void GameWorldView::RemoveDrawNodeCallback(IDrawNodeCallback* callbackToRemove)
     drawNodeCallbacks.erase(itPos);
 }
 
+// -----------------------------------------------------------------------------
+// Snap a point to the nearest toroidal copy relative to a reference position.
+// Same formula as s25edit's correctMouseBlit():
+//   k = round((reference - vertex) / mapSize)
+//   vertex += k * mapSize
+//
+// Reference: s25edit/external/s25edit/CMap.cpp :: correctMouseBlit() (line 1088)
+// -----------------------------------------------------------------------------
+DrawPoint GameWorldView::SnapToNearestCopy(DrawPoint pt, const DrawPoint& ref, const DrawPoint& mapPxSize)
+{
+    if(mapPxSize.x > 0)
+    {
+        int kx = static_cast<int>(std::floor((ref.x - pt.x) / static_cast<double>(mapPxSize.x) + 0.5));
+        pt.x += kx * mapPxSize.x;
+    }
+    if(mapPxSize.y > 0)
+    {
+        int ky = static_cast<int>(std::floor((ref.y - pt.y) / static_cast<double>(mapPxSize.y) + 0.5));
+        pt.y += ky * mapPxSize.y;
+    }
+    return pt;
+}
+
+// -----------------------------------------------------------------------------
+// Draw radius overlay using CorrectMouseBlit for toroidal wrapping.
+// Reference: s25edit/external/s25edit/CMap.cpp :: render() (lines 1159, 1230)
+//   - Computes brush blit positions via correctMouseBlit()
+//   - Draws overlay sprites at those positions
+// -----------------------------------------------------------------------------
+void GameWorldView::DrawRadiusOutline(const MapPoint& center, unsigned radius)
+{
+    const auto& world = GetWorld();
+    auto pts = world.GetPointsInRadius(center, radius, ReturnMapPointWithRadius{});
+
+    const MapExtent mapSize = world.GetSize();
+    constexpr unsigned BORDER_COLOR = 0xFFFF0000;
+    const DrawPoint mapPxSize(mapSize.x * TR_W, mapSize.y * TR_H);
+
+    // Reference: screen position of the center vertex (with seam offset).
+    const auto centerAlt = world.GetNode(center).altitude;
+    const DrawPoint ref = GetNodePos(center) - DrawPoint(0, HEIGHT_FACTOR * centerAlt) + selPtOffset;
+
+    for(const auto& [basePt, dist] : pts)
+    {
+        if(dist != radius)
+            continue;
+
+        DrawPoint scr = GetNodePos(basePt, world.GetNode(basePt).altitude);
+        scr = SnapToNearestCopy(scr, ref, mapPxSize) - offset;
+
+        Window::DrawRectangle(Rect(scr - DrawPoint(2, 2), Extent(5, 5)), BORDER_COLOR);
+    }
+}
+
 void GameWorldView::CalcFxLx()
 {
     // Calc first and last point in map units (with 1 extra for incomplete triangles)