From 717501c646aa0d075f53278c54bf43becffb6dbd Mon Sep 17 00:00:00 2001
From: Aaron van Geffen <aaron@aaronweb.net>
Date: Mon, 23 Sep 2024 14:55:04 +0200
Subject: [PATCH] Make smooth strength field clickable

---
 data/language/en-GB.txt            |  2 ++
 src/openrct2-ui/UiStringIds.h      |  2 ++
 src/openrct2-ui/windows/MapGen.cpp | 24 ++++++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/data/language/en-GB.txt b/data/language/en-GB.txt
index 212e24f223..cc572a5de9 100644
--- a/data/language/en-GB.txt
+++ b/data/language/en-GB.txt
@@ -3779,6 +3779,8 @@ STR_6704    :{COMMA2DP32}
 STR_6705    :Browse...
 STR_6706    :{WINDOW_COLOUR_2}Current image file: {BLACK}{STRING}
 STR_6707    :(none selected)
+STR_6708    :Smooth Strength
+STR_6709    :Enter Smooth Strength between {COMMA16} and {COMMA16}
 
 #############
 # Scenarios #
diff --git a/src/openrct2-ui/UiStringIds.h b/src/openrct2-ui/UiStringIds.h
index 84e726d306..93f1086549 100644
--- a/src/openrct2-ui/UiStringIds.h
+++ b/src/openrct2-ui/UiStringIds.h
@@ -908,6 +908,7 @@ namespace OpenRCT2
         STR_ENTER_MIN_LAND = 6691,
         STR_ENTER_MIN_TREE_ALTITUDE = 6695,
         STR_ENTER_OCTAVES = 6703,
+        STR_ENTER_SMOOTH_STRENGTH = 6708,
         STR_ENTER_TREE_TO_LAND_RATIO = 6699,
         STR_ENTER_WATER_LEVEL = 5186,
         STR_HEIGHTMAP_FILE = 6681,
@@ -943,6 +944,7 @@ namespace OpenRCT2
         STR_MIN_TREE_ALTITUDE = 6694,
         STR_SIMPLEX_BASE_FREQUENCY = 6700,
         STR_SIMPLEX_OCTAVES = 6702,
+        STR_SMOOTH_STRENGTH = 6709,
         STR_TERRAIN_LABEL = 2693,
         STR_TREE_TO_LAND_RATIO = 6694,
         STR_WATER_LEVEL = 5185,
diff --git a/src/openrct2-ui/windows/MapGen.cpp b/src/openrct2-ui/windows/MapGen.cpp
index d77360db06..017fa07e48 100644
--- a/src/openrct2-ui/windows/MapGen.cpp
+++ b/src/openrct2-ui/windows/MapGen.cpp
@@ -492,6 +492,8 @@ namespace OpenRCT2::Ui::Windows
         {
             if (_settings.algorithm == MapGenAlgorithm::simplexNoise)
                 SimplexTextInput(widgetIndex, value);
+            else if (_settings.algorithm == MapGenAlgorithm::heightmapImage)
+                HeightmapTextInput(widgetIndex, value);
 
             switch (widgetIndex)
             {
@@ -954,11 +956,23 @@ namespace OpenRCT2::Ui::Windows
                     InvalidateWidget(WIDX_HEIGHTMAP_SMOOTH_HEIGHTMAP);
                     InvalidateWidget(WIDX_HEIGHTMAP_STRENGTH);
                     break;
+
                 case WIDX_HEIGHTMAP_NORMALIZE:
                     _settings.normalize_height = !_settings.normalize_height;
                     SetCheckboxValue(WIDX_HEIGHTMAP_NORMALIZE, _settings.normalize_height);
                     InvalidateWidget(WIDX_HEIGHTMAP_NORMALIZE);
                     break;
+
+                case WIDX_HEIGHTMAP_STRENGTH:
+                {
+                    Formatter ft;
+                    ft.Add<int16_t>(1);
+                    ft.Add<int16_t>(20);
+                    WindowTextInputOpen(
+                        this, widgetIndex, STR_SMOOTH_STRENGTH, STR_ENTER_SMOOTH_STRENGTH, ft, STR_FORMAT_INTEGER,
+                        _settings.smooth_strength, 2);
+                    break;
+                }
             }
         }
 
@@ -1000,6 +1014,16 @@ namespace OpenRCT2::Ui::Windows
             DrawTextEllipsised(dpi, windowPos + pos, textWidth, STR_MAPGEN_CURRENT_HEIGHTMAP_FILE, ft);
         }
 
+        void HeightmapTextInput(WidgetIndex widgetIndex, int32_t value)
+        {
+            switch (widgetIndex)
+            {
+                case WIDX_HEIGHTMAP_STRENGTH:
+                    _settings.smooth_strength = std::clamp(value, 1, 20);
+                    break;
+            }
+        }
+
 #pragma endregion
 
 #pragma region Terrain page