C++RAW
#include "UnityPrefix.h"
#include "Runtime/Terrain/Heightmap.h"
#include "Runtime/Filters/Mesh/LodMesh.h"
#include "Runtime/Terrain/DetailDatabase.h"
#include "Runtime/Terrain/SplatDatabase.h"
#include "Runtime/Terrain/TerrainData.h"
#include "Runtime/Terrain/TerrainInstance.h"
#include "Runtime/Mono/MonoBehaviour.h"
#include "Runtime/BaseClasses/GameObject.h"
#include "Runtime/Terrain/TerrainRenderer.h"
#include "Runtime/Camera/Light.h"
#include "Runtime/Terrain/DetailRenderer.h"
#include "Runtime/Terrain/ImposterRenderTexture.h"
#include "Runtime/Terrain/TreeRenderer.h"
#include "Runtime/Terrain/Wind.h"
#include "Runtime/Terrain/Tree.h"
#include "Runtime/Scripting/Scripting.h"
#include "Runtime/Scripting/ScriptingUtility.h"
#include "Runtime/Scripting/ScriptingExportUtility.h"

using namespace Unity;
using namespace std;

CSRAW

#if ENABLE_TERRAIN

using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Collections;
using System.Collections.Generic;

namespace UnityEngine
{

CSRAW [StructLayout (LayoutKind.Sequential)]
CONDITIONAL ENABLE_TERRAIN
CLASS TreePrototype
	CSRAW internal GameObject m_Prefab;
	CSRAW internal float m_BendFactor;

	CSRAW public GameObject prefab { get { return m_Prefab; } set { m_Prefab = value; } }

	CSRAW public float bendFactor { get { return m_BendFactor; } set { m_BendFactor = value; } }
END

ENUM DetailRenderMode
	GrassBillboard = 0,
	VertexLit = 1,
	Grass = 2
END

CSRAW [StructLayout (LayoutKind.Sequential)]
CONDITIONAL ENABLE_TERRAIN
CLASS DetailPrototype
	CSRAW GameObject	m_Prototype = null;
	CSRAW Texture2D		m_PrototypeTexture = null;
	CSRAW Color			m_HealthyColor = new Color (67/255F, 249/255F, 42/255F, 1 );
	CSRAW Color			m_DryColor = new Color (205/255.0F, 188/255.0F, 26/255.0F, 1.0F ) ;
	CSRAW float			m_MinWidth = 1.0F;
	CSRAW float			m_MaxWidth = 2.0F;
	CSRAW float			m_MinHeight = 1F;
	CSRAW float			m_MaxHeight = 2F;
	CSRAW float			m_NoiseSpread = 0.1F;
	CSRAW float			m_BendFactor = 0.1F;
	CSRAW int			m_RenderMode = 2;
	CSRAW int			m_UsePrototypeMesh = 0;

	CSRAW public GameObject prototype { get { return m_Prototype; } set  { m_Prototype = value; } }

	CSRAW public Texture2D prototypeTexture { get { return m_PrototypeTexture; } set { m_PrototypeTexture = value; } }

	CSRAW public float minWidth { get { return m_MinWidth; } set { m_MinWidth = value; } }

	CSRAW public float maxWidth { get { return m_MaxWidth; } set { m_MaxWidth = value; } }

	CSRAW public float minHeight { get { return m_MinHeight; } set { m_MinHeight = value; } }

	CSRAW public float maxHeight { get { return m_MaxHeight; } set { m_MaxHeight = value; } }

	CSRAW public float noiseSpread { get { return m_NoiseSpread; } set { m_NoiseSpread = value; } }

	CSRAW public float bendFactor { get { return m_BendFactor; } set { m_BendFactor = value; } }

	CSRAW public Color healthyColor { get  { return m_HealthyColor; } set { m_HealthyColor = value; } }

	CSRAW public Color dryColor { get  { return m_DryColor; } set { m_DryColor = value; } }

	CSRAW public DetailRenderMode renderMode { get { return (DetailRenderMode)m_RenderMode; } set { m_RenderMode = (int)value; } }

	CSRAW public bool usePrototypeMesh { get { return m_UsePrototypeMesh != 0; } set { m_UsePrototypeMesh = value ? 1 : 0; } }
END

CSRAW [StructLayout (LayoutKind.Sequential)]
CONDITIONAL ENABLE_TERRAIN
CLASS SplatPrototype
	CSRAW Texture2D m_Texture;
	CSRAW Texture2D m_NormalMap;
	CSRAW Vector2 m_TileSize = new Vector2 (15,15);
	CSRAW Vector2 m_TileOffset = new Vector2 (0, 0);
	
	CSRAW public Texture2D texture { get { return m_Texture; } set { m_Texture = value; } }
	
	CSRAW public Texture2D normalMap { get { return m_NormalMap; } set { m_NormalMap = value; } }

	CSRAW public Vector2 tileSize { get { return m_TileSize; } set { m_TileSize = value; } }
	
	CSRAW public Vector2 tileOffset { get { return m_TileOffset; } set { m_TileOffset = value; } }
END


CONDITIONAL ENABLE_TERRAIN
STRUCT TreeInstance
	CSRAW	Vector3		m_Position;
	CSRAW	float			m_WidthScale;
	CSRAW	float			m_HeightScale;
	CSRAW	Color32		m_Color;
	CSRAW	Color32		m_LightmapColor;
	CSRAW	int			m_Index;
	CSRAW	float			m_TemporaryDistance;

	public Vector3 position { get { return m_Position; } set { m_Position = value; } }

	public float widthScale { get { return m_WidthScale; } set { m_WidthScale = value; } }

	public float heightScale { get { return m_HeightScale; } set { m_HeightScale = value; } }
	
	public Color color { get { return m_Color; } set { m_Color = value; } }
		
	public Color lightmapColor { get { return m_LightmapColor; } set { m_LightmapColor = value; } }

	public int prototypeIndex { get { return m_Index; } set { m_Index = value; } }
	
	internal float temporaryDistance { get { return m_TemporaryDistance; } set { m_TemporaryDistance = value; } }	
END

CONDITIONAL ENABLE_TERRAIN
CLASS TerrainData : Object
	CSRAW public TerrainData ()
	{
		Internal_Create(this);
	}

	CUSTOM internal void Internal_Create ([Writable]TerrainData terrainData)
	{
		TerrainData* td = NEW_OBJECT (TerrainData);
		td->Reset();

		//this is only for ensuring, that HeightMap initialized properly before someone uses TerrainData
		if (td)
			td->GetHeightmap().SetResolution(0);

		Scripting::ConnectScriptingWrapperToObject (terrainData.GetScriptingObject(), td);
		td->AwakeFromLoad(kInstantiateOrCreateFromCodeAwakeFromLoad);
	}
	
	CUSTOM internal bool HasUser (GameObject user) { return self->HasUser (user); }	
	CUSTOM internal void AddUser (GameObject user) { self->AddUser (user); }
	CUSTOM internal void RemoveUser (GameObject user) { self->RemoveUser (user); }
	
	// HEIGHTMAP INTERFACE
	C++RAW #define GETHEIGHT (&(self->GetHeightmap()))
	
	// =============================================
	C++RAW #define GETDETAIL (&(self->GetDetailDatabase()))

	C++RAW #define GETTREEDATABASE (&(self->GetTreeDatabase()))

	// PhysicMaterial the terrain.
	CONDITIONAL ENABLE_PHYSICS
	CUSTOM_PROP PhysicMaterial physicMaterial { return Scripting::ScriptingWrapperFor(GETHEIGHT->GetPhysicMaterial ()); } { GETHEIGHT->SetPhysicMaterial (value); }
	CUSTOM_PROP int heightmapWidth { return GETHEIGHT->GetWidth (); }
	CUSTOM_PROP int heightmapHeight { return GETHEIGHT->GetHeight (); }
	
	CUSTOM_PROP int heightmapResolution { return GETHEIGHT->GetResolution (); } { GETHEIGHT->SetResolution (value); }
	
	CUSTOM_PROP Vector3 heightmapScale { return GETHEIGHT->GetScale (); }

	CUSTOM_PROP Vector3 size { return GETHEIGHT->GetSize (); } { GETHEIGHT->SetSize (value); }

	CUSTOM float GetHeight (int x, int y) { return GETHEIGHT->GetHeight (x,y); }
	CUSTOM float GetInterpolatedHeight (float x, float y) { return GETHEIGHT->GetInterpolatedHeight (x,y); }

	CUSTOM public float[,] GetHeights (int xBase, int yBase, int width, int height) {
	
		if(xBase < 0 || yBase < 0 || xBase+width > GETHEIGHT->GetWidth() || yBase+height > GETHEIGHT->GetHeight ())
		{
			Scripting::RaiseMonoException ("Trying to access out-of-bounds terrain height information.");
			return SCRIPTING_NULL;
		}

		ScriptingArrayPtr map = CreateScriptingArray2D<float> (MONO_COMMON.floatSingle, height, width);
		GETHEIGHT->GetHeights (xBase, yBase, width, height, &Scripting::GetScriptingArrayElement<float>(map, 0));
		return map;
	}

	CSRAW public void SetHeights (int xBase, int yBase, float[,] heights) {
		if (heights == null)
		{
			throw new System.NullReferenceException ();
		}
		if (xBase+heights.GetLength(1) > heightmapWidth || xBase < 0 || yBase < 0 || yBase+heights.GetLength(0) > heightmapHeight)
		{
			throw new System.Exception (UnityString.Format ("X or Y base out of bounds. Setting up to {0}x{1} while map size is {2}x{3}", xBase+heights.GetLength(1), yBase+heights.GetLength(0), heightmapWidth, heightmapHeight));
		}

		Internal_SetHeights (xBase, yBase, heights.GetLength(1), heights.GetLength(0), heights);
	}

	CUSTOM private void Internal_SetHeights (int xBase, int yBase, int width, int height, float[,] heights)
	{
		GETHEIGHT->SetHeights(xBase, yBase, width, height, &Scripting::GetScriptingArrayElement<float>(heights, 0), false);
		GETTREEDATABASE->RecalculateTreePositions();
	}

	CUSTOM private void Internal_SetHeightsDelayLOD (int xBase, int yBase, int width, int height, float[,] heights)
	{
		GETHEIGHT->SetHeights(xBase, yBase, width, height, &Scripting::GetScriptingArrayElement<float>(heights, 0), true);
	}

	CSRAW internal void SetHeightsDelayLOD (int xBase, int yBase, float[,] heights)
	{
		Internal_SetHeightsDelayLOD (xBase, yBase, heights.GetLength(1), heights.GetLength(0), heights);
	}
	
	CUSTOM float GetSteepness (float x, float y) { return GETHEIGHT->GetSteepness (x,y); }
	
	CUSTOM Vector3 GetInterpolatedNormal (float x, float y) { return GETHEIGHT->GetInterpolatedNormal (x,y); }


	CUSTOM internal int GetAdjustedSize (int size) { return GETHEIGHT->GetAdjustedSize (size); }

	C++RAW #undef GETHEIGHT

	CUSTOM_PROP float wavingGrassStrength { return GETDETAIL->GetWavingGrassStrength(); } { GETDETAIL->SetWavingGrassStrength (value); self->SetDirty(); }
	CUSTOM_PROP float wavingGrassAmount { return GETDETAIL->GetWavingGrassAmount(); } { GETDETAIL-> SetWavingGrassAmount (value); self->SetDirty(); }
	CUSTOM_PROP float wavingGrassSpeed { return GETDETAIL->GetWavingGrassSpeed(); } { GETDETAIL-> SetWavingGrassSpeed (value); self->SetDirty(); }
	CUSTOM_PROP Color wavingGrassTint { return GETDETAIL->GetWavingGrassTint(); } { GETDETAIL-> SetWavingGrassTint (value); self->SetDirty(); }

	CUSTOM_PROP int detailWidth { return GETDETAIL->GetWidth (); }
	
	CUSTOM_PROP int detailHeight { return GETDETAIL->GetHeight (); }

	CUSTOM void SetDetailResolution (int detailResolution, int resolutionPerPatch)
	{
		GETDETAIL->SetDetailResolution(detailResolution, resolutionPerPatch);
	}
	
	CUSTOM_PROP int detailResolution { return GETDETAIL->GetResolution (); }

	CUSTOM_PROP internal int detailResolutionPerPatch { return GETDETAIL->GetResolutionPerPatch (); }

	CUSTOM internal void ResetDirtyDetails () { GETDETAIL->ResetDirtyDetails (); }

	CUSTOM void RefreshPrototypes ()
	{
		GETDETAIL->RefreshPrototypes ();
		GETTREEDATABASE->RefreshPrototypes ();
	}
	
	CUSTOM_PROP DetailPrototype[] detailPrototypes 
	{
		return VectorToScriptingClassArray<DetailPrototype, MonoDetailPrototype> (GETDETAIL->GetDetailPrototypes(), MONO_COMMON.detailPrototype, DetailPrototypeToMono);
	}
	{
		GETDETAIL->SetDetailPrototypes (ScriptingClassArrayToVector<DetailPrototype, MonoDetailPrototype> (value, DetailPrototypeToCpp));
	}

	CUSTOM 	int[] GetSupportedLayers (int xBase, int yBase, int totalWidth, int totalHeight) {
		int size = GETDETAIL->GetSupportedLayers (xBase, yBase, totalWidth, totalHeight, NULL);  // Get the count of layers
		ScriptingArrayPtr arr = CreateScriptingArray<int>(MONO_COMMON.int_32, size);
		GETDETAIL->GetSupportedLayers (xBase, yBase, totalWidth, totalHeight, &Scripting::GetScriptingArrayElement<int> (arr, 0));
		return arr;
	}

	CUSTOM int[,] GetDetailLayer (int xBase, int yBase, int width, int height, int layer) {
		ScriptingArrayPtr map = CreateScriptingArray2D<int> (MONO_COMMON.int_32, height, width);
		GETDETAIL->GetLayer (xBase, yBase, width, height, layer, &Scripting::GetScriptingArrayElement<int> (map, 0));
		return map;	
	}

	CSRAW public void SetDetailLayer (int xBase, int yBase, int layer, int[,] details) {
		Internal_SetDetailLayer (xBase, yBase, details.GetLength(1), details.GetLength(0), layer, details);
	}
	
	CUSTOM private void Internal_SetDetailLayer (int xBase, int yBase, int totalWidth, int totalHeight, int detailIndex, int[,] data)
	{
		GETDETAIL->SetLayer (xBase, yBase, totalWidth, totalHeight, detailIndex, &Scripting::GetScriptingArrayElement<int> (data, 0));
	}
	
	CUSTOM_PROP TreeInstance[] treeInstances
	{
		return CreateScriptingArray(&GETTREEDATABASE->GetInstances()[0], GETTREEDATABASE->GetInstances().size(), MONO_COMMON.treeInstance);
	}
	{
		Scripting::RaiseIfNull((ScriptingObjectPtr)value);
		TreeInstance *first = &Scripting::GetScriptingArrayElement<TreeInstance> (value, 0);
		GETTREEDATABASE->GetInstances().assign (first, first + GetScriptingArraySize(value));
		GETTREEDATABASE->UpdateTreeInstances();
	}
	CUSTOM_PROP TreePrototype[] treePrototypes
		{ return VectorToScriptingClassArray<TreePrototype, MonoTreePrototype> (GETTREEDATABASE->GetTreePrototypes(), MONO_COMMON.treePrototype, TreePrototypeToMono); }
		{ GETTREEDATABASE->SetTreePrototypes (ScriptingClassArrayToVector<TreePrototype, MonoTreePrototype> (value, TreePrototypeToCpp)); }

	CUSTOM internal void RemoveTreePrototype (int index)
	{
		GETTREEDATABASE->RemoveTreePrototype (index);
	}
	
	CUSTOM internal void RecalculateTreePositions () 
	{
		GETTREEDATABASE->RecalculateTreePositions ();
	}
	
	CUSTOM internal void RemoveDetailPrototype (int index)
	{
		GETDETAIL->RemoveDetailPrototype (index);
	}
	
	C++RAW #undef GETDETAIL
	
	
	// OLD SPLAT DATABASE
	// =============================================
	C++RAW #define GETSPLAT (&(self->GetSplatDatabase()))
	
	CUSTOM_PROP int alphamapLayers  { return GETSPLAT->GetDepth(); }
	CUSTOM public float[,,] GetAlphamaps (int x, int y, int width, int height) {
		ScriptingArrayPtr map = CreateScriptingArray3D<float> (MONO_COMMON.floatSingle, height, width, GETSPLAT->GetDepth ());
		GETSPLAT->GetAlphamaps (x, y, width, height, &Scripting::GetScriptingArrayElement<float>(map, 0));
		return map;
	}

	CUSTOM_PROP int alphamapResolution { return GETSPLAT->GetAlphamapResolution(); } { return GETSPLAT->SetAlphamapResolution(value); }
	CUSTOM_PROP int alphamapWidth { return GETSPLAT->GetAlphamapResolution(); }
	CUSTOM_PROP int alphamapHeight { return GETSPLAT->GetAlphamapResolution(); }
	CUSTOM_PROP int baseMapResolution { return GETSPLAT->GetBaseMapResolution(); } { return GETSPLAT->SetBaseMapResolution(value); }

	CSRAW public void SetAlphamaps (int x, int y, float[,,] map)
	{
		if (map.GetLength(2) != alphamapLayers) {
			throw new System.Exception (UnityString.Format ("Float array size wrong (layers should be {0})", alphamapLayers));
		}
		// TODO: crop the map or throw if outside,
		
		Internal_SetAlphamaps (x,y, map.GetLength(1), map.GetLength(0), map);
	}
	CUSTOM private void Internal_SetAlphamaps (int x, int y, int width, int height, float[,,] map)
	{
		GETSPLAT->SetAlphamaps (x, y, width, height, &Scripting::GetScriptingArrayElement<float>(map, 0));
	}

	CUSTOM internal void RecalculateBasemapIfDirty()
	{
		GETSPLAT->RecalculateBasemapIfDirty();
	}
	
	CUSTOM internal void SetBasemapDirty(bool dirty)
	{
		GETSPLAT->SetBasemapDirty(dirty);
	}
	
	CUSTOM private Texture2D GetAlphamapTexture(int index) {
		return Scripting::ScriptingWrapperFor (GETSPLAT->GetAlphaTexture(index)); 
	}

	CUSTOM_PROP private int alphamapTextureCount {
		return GETSPLAT->GetAlphaTextureCount(); 
	}
	
	CSRAW internal Texture2D[] alphamapTextures
	{
		get {
			Texture2D[] splatTextures = new Texture2D[alphamapTextureCount];
			for (int i=0;i<splatTextures.Length;i++)
				splatTextures[i] =  GetAlphamapTexture(i);
			return splatTextures;
		}
	}
	
	CUSTOM_PROP SplatPrototype[] splatPrototypes
		{ return VectorToScriptingClassArray<SplatPrototype, MonoSplatPrototype> (GETSPLAT->GetSplatPrototypes(), MONO_COMMON.splatPrototype, SplatPrototypeToMono); }
		{ GETSPLAT->SetSplatPrototypes (ScriptingClassArrayToVector<SplatPrototype, MonoSplatPrototype> (value, SplatPrototypeToCpp)); }
	C++RAW #undef GET
	
	CUSTOM internal bool HasTreeInstances ()
	{
		return !self->GetTreeDatabase().GetInstances().empty();
	}

	CUSTOM internal void AddTree (out TreeInstance tree)
	{
		self->GetTreeDatabase().AddTree (*tree);	
	}
	
	CUSTOM internal int RemoveTrees (Vector2 position, float radius, int prototypeIndex)
	{
		return self->GetTreeDatabase().RemoveTrees (position, radius, prototypeIndex);
	}	
END

CSRAW
}
#endif // ENABLE_TERRAIN