/// <summary>
/// Creates terrain representing a LAND record.
/// </summary>
private IEnumerator InstantiateLANDCoroutine(LANDRecord LAND, GameObject parent)
{
Debug.Assert(LAND != null);
// Don't create anything if the LAND doesn't have height data.
if (LAND.VHGT == null)
{
yield break;
}
// Return before doing any work to provide an IEnumerator handle to the coroutine.
yield return(null);
const int LAND_SIDE_LENGTH_IN_SAMPLES = 65;
var heights = new float[LAND_SIDE_LENGTH_IN_SAMPLES, LAND_SIDE_LENGTH_IN_SAMPLES];
// Read in the heights in Morrowind units.
const int VHGTIncrementToMWUnits = 8;
float rowOffset = LAND.VHGT.referenceHeight;
for (int y = 0; y < LAND_SIDE_LENGTH_IN_SAMPLES; y++)
{
rowOffset += LAND.VHGT.heightOffsets[y * LAND_SIDE_LENGTH_IN_SAMPLES];
heights[y, 0] = VHGTIncrementToMWUnits * rowOffset;
float colOffset = rowOffset;
for (int x = 1; x < LAND_SIDE_LENGTH_IN_SAMPLES; x++)
{
colOffset += LAND.VHGT.heightOffsets[(y * LAND_SIDE_LENGTH_IN_SAMPLES) + x];
heights[y, x] = VHGTIncrementToMWUnits * colOffset;
}
}
// Change the heights to percentages.
float minHeight, maxHeight;
ArrayUtils.GetExtrema(heights, out minHeight, out maxHeight);
for (int y = 0; y < LAND_SIDE_LENGTH_IN_SAMPLES; y++)
{
for (int x = 0; x < LAND_SIDE_LENGTH_IN_SAMPLES; x++)
{
heights[y, x] = Utils.ChangeRange(heights[y, x], minHeight, maxHeight, 0, 1);
}
}
// Texture the terrain.
SplatPrototype[] splatPrototypes = null;
float[,,] alphaMap = null;
const int LAND_TEXTURE_INDICES_COUNT = 256;
var textureIndices = (LAND.VTEX != null) ? LAND.VTEX.textureIndices : new ushort[LAND_TEXTURE_INDICES_COUNT];
// Create splat prototypes.
var splatPrototypeList = new List <SplatPrototype>();
var texInd2splatInd = new Dictionary <ushort, int>();
for (int i = 0; i < textureIndices.Length; i++)
{
short textureIndex = (short)((short)textureIndices[i] - 1);
if (!texInd2splatInd.ContainsKey((ushort)textureIndex))
{
// Load terrain texture.
string textureFilePath;
if (textureIndex < 0)
{
textureFilePath = defaultLandTextureFilePath;
}
else
{
var LTEX = dataReader.FindLTEXRecord(textureIndex);
textureFilePath = LTEX.DATA.value;
}
var texture = textureManager.LoadTexture(textureFilePath);
// Yield after loading each texture to avoid doing too much work on one frame.
yield return(null);
// Create the splat prototype.
var splat = new SplatPrototype();
splat.texture = texture;
splat.smoothness = 0;
splat.metallic = 0;
splat.tileSize = new Vector2(6, 6);
// Update collections.
var splatIndex = splatPrototypeList.Count;
splatPrototypeList.Add(splat);
texInd2splatInd.Add((ushort)textureIndex, splatIndex);
}
}
splatPrototypes = splatPrototypeList.ToArray();
// Create the alpha map.
int VTEX_ROWS = 16;
int VTEX_COLUMNS = VTEX_ROWS;
alphaMap = new float[VTEX_ROWS, VTEX_COLUMNS, splatPrototypes.Length];
for (int y = 0; y < VTEX_ROWS; y++)
{
var yMajor = y / 4;
var yMinor = y - (yMajor * 4);
for (int x = 0; x < VTEX_COLUMNS; x++)
{
var xMajor = x / 4;
var xMinor = x - (xMajor * 4);
var texIndex = (short)((short)textureIndices[(yMajor * 64) + (xMajor * 16) + (yMinor * 4) + xMinor] - 1);
if (texIndex >= 0)
{
var splatIndex = texInd2splatInd[(ushort)texIndex];
alphaMap[y, x, splatIndex] = 1;
}
else
{
alphaMap[y, x, 0] = 1;
}
}
}
// Yield before creating the terrain GameObject because it takes a while.
yield return(null);
// Create the terrain.
var heightRange = maxHeight - minHeight;
var terrainPosition = new Vector3(Convert.exteriorCellSideLengthInMeters * LAND.gridCoords.x, minHeight / Convert.meterInMWUnits, Convert.exteriorCellSideLengthInMeters * LAND.gridCoords.y);
var heightSampleDistance = Convert.exteriorCellSideLengthInMeters / (LAND_SIDE_LENGTH_IN_SAMPLES - 1);
var terrain = GameObjectUtils.CreateTerrain(heights, heightRange / Convert.meterInMWUnits, heightSampleDistance, splatPrototypes, alphaMap, terrainPosition);
terrain.GetComponent <Terrain>().materialType = Terrain.MaterialType.BuiltInLegacyDiffuse;
terrain.transform.parent = parent.transform;
}
/// <summary>
/// Creates terrain representing a LAND record.
/// </summary>
IEnumerator InstantiateLANDCoroutine(LANDRecord land, GameObject parent)
{
Debug.Assert(land != null);
// Don't create anything if the LAND doesn't have height data.
if (land.VHGT.HeightData == null)
{
yield break;
}
// Return before doing any work to provide an IEnumerator handle to the coroutine.
yield return(null);
const int LAND_SIDELENGTH_IN_SAMPLES = 65;
var heights = new float[LAND_SIDELENGTH_IN_SAMPLES, LAND_SIDELENGTH_IN_SAMPLES];
// Read in the heights in Morrowind units.
const int VHGTIncrementToUnits = 8;
var rowOffset = land.VHGT.ReferenceHeight;
for (var y = 0; y < LAND_SIDELENGTH_IN_SAMPLES; y++)
{
rowOffset += land.VHGT.HeightData[y * LAND_SIDELENGTH_IN_SAMPLES];
heights[y, 0] = rowOffset * VHGTIncrementToUnits;
var colOffset = rowOffset;
for (var x = 1; x < LAND_SIDELENGTH_IN_SAMPLES; x++)
{
colOffset += land.VHGT.HeightData[(y * LAND_SIDELENGTH_IN_SAMPLES) + x];
heights[y, x] = colOffset * VHGTIncrementToUnits;
}
}
// Change the heights to percentages.
heights.GetExtrema(out var minHeight, out var maxHeight);
for (var y = 0; y < LAND_SIDELENGTH_IN_SAMPLES; y++)
{
for (var x = 0; x < LAND_SIDELENGTH_IN_SAMPLES; x++)
{
heights[y, x] = Utils.ChangeRange(heights[y, x], minHeight, maxHeight, 0, 1);
}
}
// Texture the terrain.
SplatPrototype[] splatPrototypes = null;
const int LAND_TEXTUREINDICES = 256;
var textureIndices = land.VTEX != null ? land.VTEX.Value.TextureIndicesT3 : new ushort[LAND_TEXTUREINDICES];
// Create splat prototypes.
var splatPrototypeList = new List <SplatPrototype>();
var texInd2SplatInd = new Dictionary <ushort, int>();
for (var i = 0; i < textureIndices.Length; i++)
{
var textureIndex = (int)(textureIndices[i] - 1);
if (!texInd2SplatInd.ContainsKey((ushort)textureIndex))
{
// Load terrain texture.
string textureFilePath;
if (textureIndex < 0)
{
textureFilePath = _defaultLandTextureFilePath;
}
else
{
var LTEX = _data.FindLTEXRecord(textureIndex);
textureFilePath = LTEX.ICON.Value;
}
var texture = _asset.LoadTexture(textureFilePath);
// Yield after loading each texture to avoid doing too much work on one frame.
yield return(null);
// Create the splat prototype.
var splat = new SplatPrototype
{
texture = texture,
smoothness = 0,
metallic = 0,
tileSize = new Vector2(6, 6)
};
// Update collections.
var splatIndex = splatPrototypeList.Count;
splatPrototypeList.Add(splat);
texInd2SplatInd.Add((ushort)textureIndex, splatIndex);
}
}
splatPrototypes = splatPrototypeList.ToArray();
// Create the alpha map.
var VTEX_ROWS = 16;
var VTEX_COLUMNS = VTEX_ROWS;
float[,,] alphaMap = null;
alphaMap = new float[VTEX_ROWS, VTEX_COLUMNS, splatPrototypes.Length];
for (var y = 0; y < VTEX_ROWS; y++)
{
var yMajor = y / 4;
var yMinor = y - (yMajor * 4);
for (var x = 0; x < VTEX_COLUMNS; x++)
{
var xMajor = x / 4;
var xMinor = x - (xMajor * 4);
var texIndex = ((short)textureIndices[(yMajor * 64) + (xMajor * 16) + (yMinor * 4) + xMinor] - 1);
if (texIndex >= 0)
{
var splatIndex = texInd2SplatInd[(ushort)texIndex]; alphaMap[y, x, splatIndex] = 1;
}
else
{
alphaMap[y, x, 0] = 1;
}
}
}
// Yield before creating the terrain GameObject because it takes a while.
yield return(null);
// Create the terrain.
var heightRange = maxHeight - minHeight;
var terrainPosition = new Vector3(ConvertUtils.ExteriorCellSideLengthInMeters * land.GridId.x, minHeight / ConvertUtils.MeterInUnits, ConvertUtils.ExteriorCellSideLengthInMeters * land.GridId.y);
var heightSampleDistance = ConvertUtils.ExteriorCellSideLengthInMeters / (LAND_SIDELENGTH_IN_SAMPLES - 1);
var terrain = GameObjectUtils.CreateTerrain(-1, heights, heightRange / ConvertUtils.MeterInUnits, heightSampleDistance, splatPrototypes, alphaMap, terrainPosition);
terrain.GetComponent <Terrain>().materialType = Terrain.MaterialType.BuiltInLegacyDiffuse;
terrain.transform.parent = parent.transform;
terrain.isStatic = true;
}
/// <summary>
/// Creates terrain representing a LAND record.
/// </summary>
IEnumerator InstantiateLANDCoroutine(LANDRecord land, GameObject parent)
{
Debug.Assert(land != null);
// Don't create anything if the LAND doesn't have data.
if (land.Heights == null || land.Tiles == null)
{
yield break;
}
// Return before doing any work to provide an IEnumerator handle to the coroutine.
yield return(null);
const int LAND_SIDELENGTH = 8 * DataFile.CELL_PACK;
var heights = new float[LAND_SIDELENGTH, LAND_SIDELENGTH];
// Read in the heights in units.
const int VHGTIncrementToUnits = 1;
for (var y = 0; y < LAND_SIDELENGTH; y++)
{
for (var x = 0; x < LAND_SIDELENGTH; x++)
{
var height = land.Heights[(y * LAND_SIDELENGTH) + x];
heights[y, x] = height * VHGTIncrementToUnits;
}
}
// Change the heights to percentages.
heights.GetExtrema(out float minHeight, out float maxHeight);
for (var y = 0; y < LAND_SIDELENGTH; y++)
{
for (var x = 0; x < LAND_SIDELENGTH; x++)
{
heights[y, x] = Utils.ChangeRange(heights[y, x], minHeight, maxHeight, 0, 1);
}
}
// Texture the terrain.
SplatPrototype[] splatPrototypes = null;
float[,,] alphaMap = null;
var textureIndices = land.Tiles.Select(x => x.TextureId).ToArray();
// Create splat prototypes.
var splatPrototypeList = new List <SplatPrototype>();
var texInd2SplatInd = new Dictionary <short, int>();
for (var i = 0; i < textureIndices.Length; i++)
{
var textureIndex = textureIndices[i];
if (!texInd2SplatInd.ContainsKey(textureIndex))
{
// Load terrain texture.
var textureFilePath = $"tex{textureIndex}";
var texture = _asset.LoadTexture(textureFilePath);
// Yield after loading each texture to avoid doing too much work on one frame.
yield return(null);
// Create the splat prototype.
var splat = new SplatPrototype
{
texture = texture,
smoothness = 0,
metallic = 0,
tileSize = new Vector2(6, 6)
};
// Update collections.
var splatIndex = splatPrototypeList.Count;
splatPrototypeList.Add(splat);
texInd2SplatInd.Add(textureIndex, splatIndex);
}
}
splatPrototypes = splatPrototypeList.ToArray();
// Create the alpha map.
var VTEX_ROWS = 16;
var VTEX_COLUMNS = VTEX_ROWS;
alphaMap = new float[VTEX_ROWS, VTEX_COLUMNS, splatPrototypes.Length];
for (var y = 0; y < VTEX_ROWS; y++)
{
var yMajor = y / 4;
var yMinor = y - (yMajor * 4);
for (var x = 0; x < VTEX_COLUMNS; x++)
{
var xMajor = x / 4;
var xMinor = x - (xMajor * 4);
var texIndex = textureIndices[(yMajor * 64) + (xMajor * 16) + (yMinor * 4) + xMinor];
if (texIndex >= 0)
{
var splatIndex = texInd2SplatInd[texIndex]; alphaMap[y, x, splatIndex] = 1;
}
else
{
alphaMap[y, x, 0] = 1;
}
}
}
// Yield before creating the terrain GameObject because it takes a while.
yield return(null);
// Create the terrain.
var heightRange = maxHeight - minHeight;
var terrainPosition = new Vector3(ConvertUtils.ExteriorCellSideLengthInMeters * land.GridId.x, minHeight / ConvertUtils.MeterInUnits, ConvertUtils.ExteriorCellSideLengthInMeters * land.GridId.y);
var heightSampleDistance = ConvertUtils.ExteriorCellSideLengthInMeters / LAND_SIDELENGTH;
var terrain = GameObjectUtils.CreateTerrain(0, heights, heightRange / ConvertUtils.MeterInUnits, heightSampleDistance, splatPrototypes, alphaMap, terrainPosition);
terrain.GetComponent <Terrain>().materialType = Terrain.MaterialType.BuiltInLegacyDiffuse;
terrain.transform.parent = parent.transform;
terrain.isStatic = true;
}
/// <summary>
/// Creates terrain representing a LAND record.
/// </summary>
IEnumerator InstantiateLANDCoroutine(LANDRecord land, GameObject parent)
{
Assert(land != null);
// Don't create anything if the LAND doesn't have height data.
if (land.VHGT == null)
{
yield break;
}
// Return before doing any work to provide an IEnumerator handle to the coroutine.
yield return(null);
const int LAND_STRIDE = 64;
var heights = new float[LAND_STRIDE, LAND_STRIDE];
// Read in the heights in Unity units.
const int VHGTIncrementToUnits = 8;
for (var y = 0; y < LAND_STRIDE; y++)
{
for (var x = 0; x < LAND_STRIDE; x++)
{
var vhgt = land.VHGT[(y * LAND_STRIDE) + x];
heights[y, x] = vhgt * VHGTIncrementToUnits;
}
}
// Change the heights to percentages.
heights.GetExtrema(out var minHeight, out var maxHeight);
for (var y = 0; y < LAND_STRIDE; y++)
{
for (var x = 0; x < LAND_STRIDE; x++)
{
heights[y, x] = Utils.ChangeRange(heights[y, x], minHeight, maxHeight, 0, 1);
}
}
// Texture the terrain.
TerrainLayer[] terrainLayers = null;
var textureIndices = land.VTEX ?? new ushort[LAND_STRIDE * LAND_STRIDE];
// Create splat prototypes.
var terrainLayerList = new List <TerrainLayer>();
var texInd2SplatInd = new Dictionary <ushort, int>();
for (var i = 0; i < textureIndices.Length; i++)
{
var textureIndex = textureIndices[i];
if (!texInd2SplatInd.ContainsKey(textureIndex))
{
// Load terrain texture.
var texture = _assetPack.LoadTexture($"bitmap/{textureIndex}");
// Yield after loading each texture to avoid doing too much work on one frame.
yield return(null);
// Create the splat prototype.
var layer = new TerrainLayer
{
diffuseTexture = texture,
smoothness = 0,
metallic = 0,
tileSize = new Vector2(16, 16)
};
// Update collections.
var splatIndex = terrainLayerList.Count;
terrainLayerList.Add(layer);
texInd2SplatInd.Add(textureIndex, splatIndex);
}
}
terrainLayers = terrainLayerList.ToArray();
// Create the alpha map.
var alphaMap = new float[LAND_STRIDE, LAND_STRIDE, terrainLayers.Length];
for (var y = 0; y < LAND_STRIDE; y++)
{
for (var x = 0; x < LAND_STRIDE; x++)
{
var texIndex = textureIndices[x + y * LAND_STRIDE];
if (texIndex >= 0)
{
alphaMap[y, x, texInd2SplatInd[texIndex]] = 1;
}
else
{
alphaMap[y, x, 0] = 1;
}
}
}
// Yield before creating the terrain GameObject because it takes a while.
yield return(null);
// Create the terrain.
var heightRange = maxHeight - minHeight;
var terrainPosition = new Vector3(ConvertUtils.ExteriorCellSideLengthInMeters * land.GridId.x, minHeight / ConvertUtils.MeterInUnits, ConvertUtils.ExteriorCellSideLengthInMeters * land.GridId.y);
var heightSampleDistance = ConvertUtils.ExteriorCellSideLengthInMeters / (LAND_STRIDE - 1);
var terrain = GameObjectUtils.CreateTerrain(-1, heights, heightRange / ConvertUtils.MeterInUnits, heightSampleDistance, terrainLayers, alphaMap, terrainPosition, null);
terrain.GetComponent <Terrain>().materialType = Terrain.MaterialType.BuiltInLegacyDiffuse;
terrain.transform.parent = parent.transform;
terrain.isStatic = true;
}
