BasicTerrainComponent.h

#pragma once
 
#include "Components/Core/DynamicComponent.h"
 
#include "Resources/MaterialOptions.h"
#include "Resources/ResourceBase.h"
#include "Resources/Resources.h"
 
#include <glm/vec2.hpp>
#include <glm/vec3.hpp>
#include <glm/vec4.hpp>
 
namespace Cogs
{
  namespace Core
  {
    enum struct BasicTerrainElevationChannel : uint32_t
    {
      Red,          
      Alpha,        
      RedGreenBlue  
    };
 
    enum struct BasicTerrainTransparencyMode : uint32_t
    {
      None,               
      Regular,            
      BlendWithZWrite     
    };
 
    class BasicTerrainComponent : public DynamicComponent
    {
    public:
      static void registerType();
 
      void initialize(Context * context);
 
      void update();
 
      // Fields:
    public:
      BasicTerrainElevationChannel elevationChannel = BasicTerrainElevationChannel::Red;
      TextureHandle elevationMap;
 
      BasicTerrainTransparencyMode transparencyMode = BasicTerrainTransparencyMode::None;
 
      TextureHandle colorMap;
 
      float vibrance = 1.f;
 
      glm::vec4 diffuseColor = glm::vec4(1, 1, 1, 1);
 
      bool noDataEnabled = false;
 
      float noDataValue = 0.f;
 
      float elevationBias = 0.f;
 
      float elevationScale = 1.f;
 
      float elevationMin = 0.f;
 
      float elevationMax = 1.f;
 
 
      bool elevationMapNormalized = false;
 
      bool elevationToAlpha = false;
      float elevationToAlphaMin = 0.f;
      float elevationToAlphaMax = 1.f;
      float elevationToAlphaPower = 1.f;
      CullMode cullMode = CullMode::Back;
 
    public:
      bool forceUpdate = false;   
      MaterialHandle material;
      VariableKey elevationTransformKey = {};
      VariableKey elevationTexKey = {};
      ResourceFlags elevationFlags = ResourceFlags::None;
      VariableKey normalTransformKey = {};
      VariableKey elevationToAlphaTransformKey = {};
      VariableKey colorTexKey = {};
      VariableKey diffuseColorKey = {};
      VariableKey noDataValueKey = {};
      VariableKey vibranceKey = {};
 
      Context* context = nullptr;
 
      glm::vec4 elevationTransform;
      glm::vec2 normalTransform;
      glm::vec3 elevationToAlphaTransform;
    };
  }
}
 
template<> inline Cogs::StringView getName<Cogs::Core::BasicTerrainComponent>() { return "BasicTerrainComponent"; }
 
template<> inline Cogs::StringView getName<Cogs::Core::BasicTerrainElevationChannel>() { return "BasicTerrainElevationChannel"; }
 
template<> inline Cogs::StringView getName<Cogs::Core::BasicTerrainTransparencyMode>() { return "BasicTerrainTransparencyMode"; }