Add Editor Main Menu (#7241)

VisualStudio/fheroes2/common.props

@@ -2,7 +2,7 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemDefinitionGroup>
     <ClCompile>
-      <AdditionalIncludeDirectories>src\engine;src\fheroes2\gui;src\fheroes2\maps;src\fheroes2\kingdom;src\fheroes2\campaign;src\fheroes2\game;src\fheroes2\dialog;src\fheroes2\system;src\fheroes2\spell;src\fheroes2\monster;src\fheroes2\castle;src\fheroes2\agg;src\fheroes2\heroes;src\fheroes2\resource;src\fheroes2\ai;src\fheroes2\army;src\fheroes2\battle;src\fheroes2\h2d;src\fheroes2\objects;src\fheroes2\world;src\fheroes2\audio;src\fheroes2\image;src\thirdparty\libsmacker;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>src\engine;src\fheroes2\gui;src\fheroes2\maps;src\fheroes2\kingdom;src\fheroes2\campaign;src\fheroes2\game;src\fheroes2\editor;src\fheroes2\dialog;src\fheroes2\system;src\fheroes2\spell;src\fheroes2\monster;src\fheroes2\castle;src\fheroes2\agg;src\fheroes2\heroes;src\fheroes2\resource;src\fheroes2\ai;src\fheroes2\army;src\fheroes2\battle;src\fheroes2\h2d;src\fheroes2\objects;src\fheroes2\world;src\fheroes2\audio;src\fheroes2\image;src\thirdparty\libsmacker;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions Condition="'$(FHEROES2_BUILD_NUMBER)'!=''">BUILD_VERSION=$(FHEROES2_BUILD_NUMBER);%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <ResourceCompile>

VisualStudio/fheroes2/sources.props

@@ -104,6 +104,7 @@
     <ClCompile Include="src\fheroes2\dialog\dialog_selectscenario.cpp" />
     <ClCompile Include="src\fheroes2\dialog\dialog_system_options.cpp" />
     <ClCompile Include="src\fheroes2\dialog\dialog_thievesguild.cpp" />
+    <ClCompile Include="src\fheroes2\editor\editor_mainmenu.cpp" />
     <ClCompile Include="src\fheroes2\game\difficulty.cpp" />
     <ClCompile Include="src\fheroes2\game\fheroes2.cpp" />
     <ClCompile Include="src\fheroes2\game\game.cpp" />
@@ -298,6 +299,7 @@
     <ClInclude Include="src\fheroes2\dialog\dialog_selectitems.h" />
     <ClInclude Include="src\fheroes2\dialog\dialog_selectscenario.h" />
     <ClInclude Include="src\fheroes2\dialog\dialog_system_options.h" />
+    <ClInclude Include="src\fheroes2\editor\editor.h" />
     <ClInclude Include="src\fheroes2\game\difficulty.h" />
     <ClInclude Include="src\fheroes2\game\game.h" />
     <ClInclude Include="src\fheroes2\game\game_credits.h" />

src/fheroes2/CMakeLists.txt

@@ -97,6 +97,7 @@ target_include_directories(
 	campaign
 	castle
 	dialog
+	editor
 	game
 	gui
 	h2d

src/fheroes2/agg/agg_image.cpp

@@ -2635,6 +2635,15 @@ namespace fheroes2
 
                 return true;
             }
+            case ICN::EDITOR:
+                LoadOriginalICN( id );
+                if ( !_icnVsSprite[id].empty() ) {
+                    // This is the Editor main menu background which shouldn't have any transform layer.
+                    _icnVsSprite[id][0]._disableTransformLayer();
+                    // Fix the cycling colors in original editor main menu background.
+                    fheroes2::ApplyPalette( _icnVsSprite[id][0], PAL::GetPalette( PAL::PaletteType::NO_CYCLE ) );
+                }
+                return true;
             case ICN::HEROES:
                 LoadOriginalICN( id );
                 if ( !_icnVsSprite[id].empty() ) {
@@ -3672,7 +3681,15 @@ namespace fheroes2
         // We have few ICNs which we need to scale like some related to main screen
         bool IsScalableICN( const int id )
         {
-            return id == ICN::HEROES || id == ICN::BTNSHNGL || id == ICN::SHNGANIM;
+            switch ( id ) {
+            case ICN::EDITOR:
+            case ICN::HEROES:
+            case ICN::BTNSHNGL:
+            case ICN::SHNGANIM:
+                return true;
+            default:
+                return false;
+            }
         }
 
         const Sprite & GetScaledICN( const int icnId, const uint32_t index )

src/fheroes2/editor/editor.h

@@ -0,0 +1,33 @@
+/***************************************************************************
+ *   fheroes2: https://github.com/ihhub/fheroes2                           *
+ *   Copyright (C) 2023                                                    *
+ *                                                                         *
+ *   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  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#pragma once
+
+#if defined( WITH_DEBUG )
+#include "game.h"
+#include "game_mode.h"
+
+namespace Editor
+{
+    fheroes2::GameMode menuMain();
+    fheroes2::GameMode menuNewMap();
+    fheroes2::GameMode menuLoadMap();
+}
+#endif