From ab075a98fce78612d4d905ed3dc518cd46601ded Mon Sep 17 00:00:00 2001
From: codereader <greebo@angua.at>
Date: Mon, 27 Sep 2021 06:17:39 +0200
Subject: [PATCH] #5731: Start setting up colour schemes for the texture tool.
 Since this is supposed to be switched on a per-texture basis, I won't be
 tying this to the regular colour schemes used for the rest of the views.

---
 include/itexturetoolcolours.h                 | 42 +++++++++++++++
 radiant/textool/TexTool.cpp                   |  1 +
 radiantcore/CMakeLists.txt                    |  1 +
 .../selection/textool/ColourSchemeManager.cpp | 52 +++++++++++++++++++
 tools/msvc/DarkRadiantCore.vcxproj            |  1 +
 tools/msvc/DarkRadiantCore.vcxproj.filters    |  3 ++
 tools/msvc/include.vcxproj                    |  1 +
 7 files changed, 101 insertions(+)
 create mode 100644 include/itexturetoolcolours.h
 create mode 100644 radiantcore/selection/textool/ColourSchemeManager.cpp

diff --git a/include/itexturetoolcolours.h b/include/itexturetoolcolours.h
new file mode 100644
index 0000000000..937631f205
--- /dev/null
+++ b/include/itexturetoolcolours.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include "imodule.h"
+#include "render/Colour4b.h"
+
+namespace textool
+{
+
+enum class ColourScheme
+{
+    Light,
+    Dark,
+    Colourful,
+};
+
+enum class SchemeElement
+{
+    MinorGrid,
+    MajorGrid,
+};
+
+class IColourSchemeManager :
+    public RegisterableModule
+{
+public:
+    virtual ~IColourSchemeManager() {}
+
+    // Activates the given scheme
+    virtual void setActiveScheme(ColourScheme scheme) = 0;
+
+    virtual Colour4b getColour(SchemeElement element) = 0;
+};
+
+}
+
+constexpr const char* const MODULE_TEXTOOL_COLOURSCHEME_MANAGER("TextureToolColourSchemeManager");
+
+inline textool::IColourSchemeManager& GlobalTextureToolColourSchemeManager()
+{
+    static module::InstanceReference<textool::IColourSchemeManager> _reference(MODULE_TEXTOOL_COLOURSCHEME_MANAGER);
+    return _reference;
+}
diff --git a/radiant/textool/TexTool.cpp b/radiant/textool/TexTool.cpp
index f06186e024..0de159559d 100644
--- a/radiant/textool/TexTool.cpp
+++ b/radiant/textool/TexTool.cpp
@@ -5,6 +5,7 @@
 #include "ieventmanager.h"
 #include "icommandsystem.h"
 #include "itexturetoolmodel.h"
+#include "itexturetoolcolours.h"
 #include "imainframe.h"
 #include "igl.h"
 #include "iundo.h"
diff --git a/radiantcore/CMakeLists.txt b/radiantcore/CMakeLists.txt
index 2260b3c480..8c961043fe 100644
--- a/radiantcore/CMakeLists.txt
+++ b/radiantcore/CMakeLists.txt
@@ -259,6 +259,7 @@ add_library(radiantcore MODULE
             selection/shaderclipboard/ClosestTexturableFinder.cpp
             selection/shaderclipboard/ShaderClipboard.cpp
             selection/shaderclipboard/Texturable.cpp
+            selection/textool/ColourSchemeManager.cpp
             selection/textool/FaceNode.cpp
             selection/textool/Node.cpp
             selection/textool/PatchNode.cpp
diff --git a/radiantcore/selection/textool/ColourSchemeManager.cpp b/radiantcore/selection/textool/ColourSchemeManager.cpp
new file mode 100644
index 0000000000..fc2fe34294
--- /dev/null
+++ b/radiantcore/selection/textool/ColourSchemeManager.cpp
@@ -0,0 +1,52 @@
+#include "itexturetoolcolours.h"
+
+#include <map>
+
+namespace textool
+{
+
+class ColourSchemeManager final :
+    public IColourSchemeManager
+{
+private:
+    using SchemeMap = std::map<SchemeElement, Colour4b>;
+    std::map<ColourScheme, SchemeMap> _schemes;
+
+    ColourScheme _activeScheme;
+
+public:
+    const std::string& getName() const override
+    {
+        static std::string _name(MODULE_TEXTOOL_COLOURSCHEME_MANAGER);
+        return _name;
+    }
+
+    const StringSet& getDependencies() const override
+    {
+        static StringSet _dependencies;
+        return _dependencies;
+    }
+
+    void initialiseModule(const IApplicationContext& ctx) override
+    {
+        _activeScheme = ColourScheme::Light;
+
+        // Fill in the default scheme values
+        _schemes[ColourScheme::Dark] = SchemeMap
+        {
+            { SchemeElement::MajorGrid, { 0, 0, 0, 0 } }
+        };
+    }
+
+    void setActiveScheme(ColourScheme scheme)
+    {
+        _activeScheme = scheme;
+    }
+
+    Colour4b getColour(SchemeElement element)
+    {
+        return _schemes[_activeScheme][element];
+    }
+};
+
+}
diff --git a/tools/msvc/DarkRadiantCore.vcxproj b/tools/msvc/DarkRadiantCore.vcxproj
index 7783066036..a4e412a7ca 100644
--- a/tools/msvc/DarkRadiantCore.vcxproj
+++ b/tools/msvc/DarkRadiantCore.vcxproj
@@ -675,6 +675,7 @@
     <ClCompile Include="..\..\radiantcore\selection\textool\FaceNode.cpp" />
     <ClCompile Include="..\..\radiantcore\selection\textool\Node.cpp" />
     <ClCompile Include="..\..\radiantcore\selection\textool\PatchNode.cpp" />
+    <ClCompile Include="..\..\radiantcore\selection\textool\ColourSchemeManager.cpp" />
     <ClCompile Include="..\..\radiantcore\selection\textool\TextureToolDragManipulator.cpp" />
     <ClCompile Include="..\..\radiantcore\selection\textool\TextureToolManipulationPivot.cpp" />
     <ClCompile Include="..\..\radiantcore\selection\textool\TextureToolRotateManipulator.cpp" />
diff --git a/tools/msvc/DarkRadiantCore.vcxproj.filters b/tools/msvc/DarkRadiantCore.vcxproj.filters
index c70025d90d..85e3eea392 100644
--- a/tools/msvc/DarkRadiantCore.vcxproj.filters
+++ b/tools/msvc/DarkRadiantCore.vcxproj.filters
@@ -1105,6 +1105,9 @@
     <ClCompile Include="..\..\radiantcore\selection\textool\Node.cpp">
       <Filter>src\selection\textool</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\radiantcore\selection\textool\ColourSchemeManager.cpp">
+      <Filter>src\selection\textool</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\radiantcore\modulesystem\ModuleLoader.h">
diff --git a/tools/msvc/include.vcxproj b/tools/msvc/include.vcxproj
index 4499f72bb0..234e730a39 100644
--- a/tools/msvc/include.vcxproj
+++ b/tools/msvc/include.vcxproj
@@ -197,6 +197,7 @@
     <ClInclude Include="..\..\include\ispacepartition.h" />
     <ClInclude Include="..\..\include\ispeakernode.h" />
     <ClInclude Include="..\..\include\istatusbarmanager.h" />
+    <ClInclude Include="..\..\include\itexturetoolcolours.h" />
     <ClInclude Include="..\..\include\itextstream.h" />
     <ClInclude Include="..\..\include\itexturetoolmodel.h" />
     <ClInclude Include="..\..\include\itexturetoolview.h" />