Random terrain generation

VisualStudio/fheroes2/sources.props

@@ -200,6 +200,7 @@
     <ClCompile Include="src\fheroes2\maps\ground.cpp" />
     <ClCompile Include="src\fheroes2\maps\map_format_helper.cpp" />
     <ClCompile Include="src\fheroes2\maps\map_format_info.cpp" />
+    <ClCompile Include="src\fheroes2\maps\map_generator.cpp" />
     <ClCompile Include="src\fheroes2\maps\map_object_info.cpp" />
     <ClCompile Include="src\fheroes2\maps\maps.cpp" />
     <ClCompile Include="src\fheroes2\maps\maps_fileinfo.cpp" />
@@ -408,6 +409,7 @@
     <ClInclude Include="src\fheroes2\maps\ground.h" />
     <ClInclude Include="src\fheroes2\maps\map_format_helper.h" />
     <ClInclude Include="src\fheroes2\maps\map_format_info.h" />
+    <ClInclude Include="src\fheroes2\maps\map_generator.h" />
     <ClInclude Include="src\fheroes2\maps\map_object_info.h" />
     <ClInclude Include="src\fheroes2\maps\maps.h" />
     <ClInclude Include="src\fheroes2\maps\maps_fileinfo.h" />

src/fheroes2/editor/editor_interface.cpp

@@ -59,6 +59,7 @@
 #include "interface_radar.h"
 #include "localevent.h"
 #include "map_format_helper.h"
+#include "map_generator.h"
 #include "map_object_info.h"
 #include "maps.h"
 #include "maps_tiles.h"
@@ -770,6 +771,34 @@ namespace Interface
                 else if ( HotKeyPressEvent( Game::HotKeyEvent::WORLD_VIEW_WORLD ) ) {
                     eventViewWorld();
                 }
+#if defined( WITH_DEBUG )
+                else if ( HotKeyPressEvent( Game::HotKeyEvent::EDITOR_RANDOM_MAP_GENERATION ) ) {
+                    fheroes2::ActionCreator action( _historyManager, _mapFormat );
+
+                    Maps::Generator::Configuration rmgConfig;
+                    rmgConfig.playerCount = _playerCount;
+                    rmgConfig.regionSizeLimit = _regionSizeLimit;
+
+                    if ( Maps::Generator::generateWorld( _mapFormat, rmgConfig ) ) {
+                        _redraw |= mapUpdateFlags;
+
+                        action.commit();
+                    }
+                    else {
+                        _warningMessage.reset( _( "Not able to generate a map with given parameters." ) );
+                    }
+                }
+                else if ( HotKeyPressEvent( Game::HotKeyEvent::EDITOR_RANDOM_MAP_CONFIGURATION ) ) {
+                    uint32_t newCount = _playerCount;
+                    if ( Dialog::SelectCount( "Pick player count", 2, 6, newCount ) ) {
+                        _playerCount = newCount;
+                    }
+                    newCount = _regionSizeLimit;
+                    if ( Dialog::SelectCount( "Limit region size", 100, 10000, newCount ) ) {
+                        _regionSizeLimit = newCount;
+                    }
+                }
+#endif
                 // map scrolling control
                 else if ( HotKeyPressEvent( Game::HotKeyEvent::WORLD_SCROLL_LEFT ) ) {
                     _gameArea.SetScroll( SCROLL_LEFT );

src/fheroes2/editor/editor_interface.h

@@ -153,6 +153,11 @@ namespace Interface
         int32_t _selectedTile{ -1 };
         int32_t _tileUnderCursor{ -1 };
 
+#if defined( WITH_DEBUG )
+        uint32_t _playerCount = 2;
+        uint32_t _regionSizeLimit = 600;
+#endif
+
         std::function<void( const int32_t )> _cursorUpdater;
 
         fheroes2::HistoryManager _historyManager;

src/fheroes2/game/game_hotkeys.cpp

@@ -161,6 +161,13 @@ namespace
         hotKeyEventInfo[hotKeyEventToInt( Game::HotKeyEvent::EDITOR_TO_GAME_MAIN_MENU )]
             = { Game::HotKeyCategory::EDITOR, gettext_noop( "hotkey|open game main menu" ), fheroes2::Key::KEY_M };
 
+#if defined( WITH_DEBUG )
+        hotKeyEventInfo[hotKeyEventToInt( Game::HotKeyEvent::EDITOR_RANDOM_MAP_GENERATION )]
+            = { Game::HotKeyCategory::WORLD_MAP, gettext_noop( "hotkey|generate random map" ), fheroes2::Key::KEY_F5 };
+        hotKeyEventInfo[hotKeyEventToInt( Game::HotKeyEvent::EDITOR_RANDOM_MAP_CONFIGURATION )]
+            = { Game::HotKeyCategory::WORLD_MAP, gettext_noop( "hotkey|configure random map generator" ), fheroes2::Key::KEY_F6 };
+#endif
+
         hotKeyEventInfo[hotKeyEventToInt( Game::HotKeyEvent::CAMPAIGN_ROLAND )]
             = { Game::HotKeyCategory::CAMPAIGN, gettext_noop( "hotkey|roland campaign" ), fheroes2::Key::KEY_1 };
         hotKeyEventInfo[hotKeyEventToInt( Game::HotKeyEvent::CAMPAIGN_ARCHIBALD )]

src/fheroes2/game/game_hotkeys.h

@@ -75,6 +75,12 @@ namespace Game
         EDITOR_REDO_LAST_ACTION,
         EDITOR_TO_GAME_MAIN_MENU,
 
+#if defined( WITH_DEBUG )
+        // This hotkey is only for debug mode as of now.
+        EDITOR_RANDOM_MAP_GENERATION,
+        EDITOR_RANDOM_MAP_CONFIGURATION,
+#endif
+
         CAMPAIGN_ROLAND,
         CAMPAIGN_ARCHIBALD,
         CAMPAIGN_PRICE_OF_LOYALTY,

src/fheroes2/gui/ui_map_object.cpp

@@ -38,6 +38,7 @@
 #include "maps_tiles.h"
 #include "math_base.h"
 #include "mp2.h"
+#include "resource.h"
 
 namespace
 {
@@ -264,4 +265,105 @@ namespace fheroes2
 
         return 0;
     }
+
+    constexpr int32_t mineIndexFromGroundType( const int groundType )
+    {
+        switch ( groundType ) {
+        case Maps::Ground::WATER:
+            // Logically Water is not allowed but let's do this.
+            assert( 0 );
+            return 0;
+        case Maps::Ground::GRASS:
+            return 1;
+        case Maps::Ground::SNOW:
+            return 2;
+        case Maps::Ground::SWAMP:
+            return 3;
+        case Maps::Ground::LAVA:
+            return 4;
+        case Maps::Ground::DESERT:
+            return 5;
+        case Maps::Ground::DIRT:
+            return 6;
+        case Maps::Ground::WASTELAND:
+            return 7;
+        case Maps::Ground::BEACH:
+            return 0;
+        default:
+            // Have you added a new ground? Add the logic above!
+            assert( 0 );
+            break;
+        }
+        return 0;
+    }
+
+    constexpr int32_t sawmillIndexFromGroundType( const int groundType )
+    {
+        switch ( groundType ) {
+        case Maps::Ground::WATER:
+            // Logically Water is not allowed but let's do this.
+            assert( 0 );
+            return 0;
+        case Maps::Ground::GRASS:
+            return 0;
+        case Maps::Ground::SNOW:
+            return 1;
+        case Maps::Ground::SWAMP:
+            return 0;
+        case Maps::Ground::LAVA:
+            return 2;
+        case Maps::Ground::DESERT:
+            return 3;
+        case Maps::Ground::DIRT:
+            return 4;
+        case Maps::Ground::WASTELAND:
+            return 5;
+        case Maps::Ground::BEACH:
+            return 3;
+        default:
+            // Have you added a new ground? Add the logic above!
+            assert( 0 );
+            break;
+        }
+        return 0;
+    }
+
+    int32_t getMineObjectInfoId( const int resource, const int groundType )
+    {
+        // 8 terrain and 5 resources
+        // 2 abandoned mines: grass & dirt
+        // Sawmills for different terrains: Grass/Swamp, Snow, Lava, Desert, Dirt, Wasteland.
+        // 2 alchemists labs: regular and snow
+
+        // if you add new mine type update this logic!
+        assert( Maps::getObjectsByGroup( Maps::ObjectGroup::ADVENTURE_MINES ).size() == 50 );
+
+        const int groundIndex = mineIndexFromGroundType( groundType );
+
+        switch ( resource ) {
+        case Resource::ORE:
+            return groundIndex * 5;
+        case Resource::SULFUR:
+            return groundIndex * 5 + 1;
+        case Resource::CRYSTAL:
+            return groundIndex * 5 + 2;
+        case Resource::GEMS:
+            return groundIndex * 5 + 3;
+        case Resource::GOLD:
+            return groundIndex * 5 + 4;
+        case Resource::WOOD:
+            return 5 * 8 + 2 + sawmillIndexFromGroundType( groundType );
+        case Resource::MERCURY:
+            return groundType == Maps::Ground::SNOW ? 49 : 48;
+        case Resource::UNKNOWN:
+            // must be an abandoned mine
+            return groundType == Maps::Ground::GRASS ? 40 : 41;
+        default:
+            // Have you added a new resource type?!
+            assert( 0 );
+            break;
+        }
+
+        return 0;
+    }
 }

src/fheroes2/gui/ui_map_object.h

@@ -1,6 +1,6 @@
 /***************************************************************************
  *   fheroes2: https://github.com/ihhub/fheroes2                           *
- *   Copyright (C) 2023                                                    *
+ *   Copyright (C) 2023 - 2024                                             *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -35,4 +35,5 @@ namespace fheroes2
     Sprite generateTownObjectImage( const int townType, const int color, const int groundId );
 
     int32_t getTownBasementId( const int groundType );
+    int32_t getMineObjectInfoId( const int resource, const int groundType );
 }