public static void Build(DynamicMeshGenericMultiMaterialMesh _mesh, BuildrData _data)
{
// timestart = Time.realtimeSinceStartup;
data = _data;
mesh = _mesh;
textures = data.textures.ToArray();
BuildrPlan plan = data.plan;
int facadeIndex = 0;
numberOfFacades = 0;
int numberOfVolumes = data.plan.numberOfVolumes;
LogTimer("Start");
//define rectangles that represent the facades
packedTexturePositions.Clear();
for (int v = 0; v < numberOfVolumes; v++)
{
BuildrVolume volume = plan.volumes[v];
int numberOfVolumePoints = volume.points.Count;
for (int f = 0; f < numberOfVolumePoints; f++)
{
if (!volume.renderFacade[f])
{
continue;
}
int indexA = f;
int indexB = (f < numberOfVolumePoints - 1) ? f + 1 : 0;
Vector2z p0 = plan.points[volume.points[indexA]];
Vector2z p1 = plan.points[volume.points[indexB]];
float facadeWidth = Vector2z.Distance(p0, p1) * PIXELS_PER_METER;
int floorBase = plan.GetFacadeFloorHeight(v, volume.points[indexA], volume.points[indexB]);
int numberOfFloors = volume.numberOfFloors - floorBase;
if (numberOfFloors < 1)//no facade - adjacent facade is taller and covers this one
{
continue;
}
float floorHeight = data.floorHeight;
float facadeHeight = (volume.numberOfFloors - floorBase) * floorHeight * PIXELS_PER_METER;
if (facadeHeight < 0)
{
facadeWidth = 0;
facadeHeight = 0;
}
Rect newFacadeRect = new Rect(0, 0, facadeWidth, facadeHeight);
packedTexturePositions.Add(newFacadeRect);
numberOfFacades++;
}
}
//Build ROOF
DynamicMeshGenericMultiMaterialMesh dynMeshRoof = new DynamicMeshGenericMultiMaterialMesh();
dynMeshRoof.name = "Roof Mesh";
dynMeshRoof.subMeshCount = textures.Length;
BuildrRoof.Build(dynMeshRoof, data, true);
dynMeshRoof.CheckMaxTextureUVs(data);
LogTimer("Roof A");
roofTextures.Clear();
roofTextureIndex.Clear();
foreach (BuildrRoofDesign roofDesign in data.roofs)
{
foreach (int textureIndex in roofDesign.textureValues)
{
if (!roofTextureIndex.Contains(textureIndex))
{
BuildrTexture bTexture = data.textures[textureIndex];
Vector2 largestSubmeshPlaneSize = new Vector2(1, 1);
Vector2 minWorldUvSize = dynMeshRoof.MinWorldUvSize(textureIndex);
Vector2 maxWorldUvSize = dynMeshRoof.MaxWorldUvSize(textureIndex);
largestSubmeshPlaneSize.x = maxWorldUvSize.x - minWorldUvSize.x;
largestSubmeshPlaneSize.y = maxWorldUvSize.y - minWorldUvSize.y;
int roofTextureWidth = Mathf.RoundToInt(largestSubmeshPlaneSize.x * PIXELS_PER_METER);
int roofTextureHeight = Mathf.RoundToInt(largestSubmeshPlaneSize.y * PIXELS_PER_METER);
Rect newRoofTexutureRect = new Rect(0, 0, roofTextureWidth, roofTextureHeight);
packedTexturePositions.Add(newRoofTexutureRect);
roofTextures.Add(bTexture);
roofTextureIndex.Add(textureIndex);
}
}
}
//run a custom packer to define their postions
textureWidth = RectanglePack.Pack(packedTexturePositions, ATLAS_PADDING);
//determine the resize scale and apply that to the rects
packedScale = 1;
int numberOfRects = packedTexturePositions.Count;
if (textureWidth > MAXIMUM_TEXTURESIZE)
{
packedScale = MAXIMUM_TEXTURESIZE / (float)textureWidth;
for (int i = 0; i < numberOfRects; i++)
{
Rect thisRect = packedTexturePositions[i];
thisRect.x *= packedScale;
thisRect.y *= packedScale;
thisRect.width *= packedScale;
thisRect.height *= packedScale;
packedTexturePositions[i] = thisRect;
//Debug.Log("Rects "+roofTextures[i-+packedTexturePositions[i]);
}
textureWidth = Mathf.RoundToInt(packedScale * textureWidth);
}
else
{
textureWidth = (int)Mathf.Pow(2, (Mathf.FloorToInt(Mathf.Log(textureWidth - 1, 2)) + 1));//find the next power of two
}
//Debug.Log("Texture Width "+textureWidth);
//TODO: maybe restrict the resize to a power of two?
LogTimer("Packed Rect Generated");
textureSize = textureWidth * textureWidth;
colourArray = new Color32[textureSize];
//TestRectColours();//this test paints all the facades with rainbow colours - real pretty
BuildTextures();
LogTimer("texture created");
Texture2D packedTexture = new Texture2D(textureWidth, textureWidth, TextureFormat.ARGB32, true);
packedTexture.filterMode = FilterMode.Bilinear;
packedTexture.SetPixels32(colourArray);
packedTexture.Apply(true, false);
LogTimer("apply");
if (data.LODTextureAtlas != null)
{
Object.DestroyImmediate(data.LODTextureAtlas);
}
data.LODTextureAtlas = packedTexture;
data.LODTextureAtlas.name = "Low Detail Texture";
//build the model with new uvs
if (data.drawUnderside)
{
for (int s = 0; s < numberOfVolumes; s++)
{
BuildrVolume volume = plan.volumes[s];
int numberOfVolumePoints = volume.points.Count;
Vector3[] newEndVerts = new Vector3[numberOfVolumePoints];
Vector2[] newEndUVs = new Vector2[numberOfVolumePoints];
for (int i = 0; i < numberOfVolumePoints; i++)
{
newEndVerts[i] = plan.points[volume.points[i]].vector3;
newEndUVs[i] = Vector2.zero;
}
List <int> tris = new List <int>(data.plan.GetTrianglesBySectorBase(s));
tris.Reverse();
mesh.AddData(newEndVerts, newEndUVs, tris.ToArray(), 0);
}
}
LogTimer("Floor");
//Build facades
for (int s = 0; s < numberOfVolumes; s++)
{
BuildrVolume volume = plan.volumes[s];
int numberOfVolumePoints = volume.points.Count;
for (int f = 0; f < numberOfVolumePoints; f++)
{
if (!volume.renderFacade[f])
{
continue;
}
int indexA = f;
int indexB = (f < numberOfVolumePoints - 1) ? f + 1 : 0;
Vector3 p0 = plan.points[volume.points[indexA]].vector3;
Vector3 p1 = plan.points[volume.points[indexB]].vector3;
int floorBase = plan.GetFacadeFloorHeight(s, volume.points[indexA], volume.points[indexB]);
int numberOfFloors = volume.numberOfFloors - floorBase;
if (numberOfFloors < 1)
{
//no facade - adjacent facade is taller and covers this one
continue;
}
float floorHeight = data.floorHeight;
Vector3 floorHeightStart = Vector3.up * (floorBase * floorHeight);
Vector3 wallHeight = Vector3.up * (volume.numberOfFloors * floorHeight) - floorHeightStart;
p0 += floorHeightStart;
p1 += floorHeightStart;
Vector3 w0 = p0;
Vector3 w1 = p1;
Vector3 w2 = w0 + wallHeight;
Vector3 w3 = w1 + wallHeight;
Rect facadeRect = packedTexturePositions[facadeIndex];
float imageSize = textureWidth;
Vector2 uvMin = new Vector2(facadeRect.xMin / imageSize, facadeRect.yMin / imageSize);
Vector2 uvMax = new Vector2(facadeRect.xMax / imageSize, facadeRect.yMax / imageSize);
mesh.AddPlane(w0, w1, w2, w3, uvMin, uvMax, 0);
facadeIndex++;
}
}
LogTimer("Facades");
//ROOF Textures
int roofRectBase = numberOfFacades;
List <Rect> newAtlasRects = new List <Rect>();
for (int i = roofRectBase; i < packedTexturePositions.Count; i++)
{
Rect uvRect = new Rect();//generate a UV based rectangle off the packed one
uvRect.x = packedTexturePositions[i].x / textureWidth;
uvRect.y = packedTexturePositions[i].y / textureWidth;
uvRect.width = packedTexturePositions[i].width / textureWidth;
uvRect.height = packedTexturePositions[i].height / textureWidth;
newAtlasRects.Add(uvRect);
}
dynMeshRoof.Atlas(roofTextureIndex.ToArray(), newAtlasRects.ToArray(), data.textures.ToArray());
//Add the atlased mesh data to the main model data at submesh 0
mesh.AddData(dynMeshRoof.vertices, dynMeshRoof.uv, dynMeshRoof.triangles, 0);
LogTimer("Roof B");
data = null;
mesh = null;
textures = null;
//atlasRects = null;
LogTimer("Done");
System.GC.Collect();
}
public static void Build(DynamicMeshGenericMultiMaterialMesh _mesh, BuildrData _data)
{
// timestart = Time.realtimeSinceStartup;
data = _data;
mesh = _mesh;
textures = data.textures.ToArray();
BuildrPlan plan = data.plan;
// int facadeIndex = 0;
numberOfFacades = 0;
int numberOfVolumes = data.plan.numberOfVolumes;
//define rectangles that represent the facades
packedTexturePositions.Clear();
for (int v = 0; v < numberOfVolumes; v++)
{
BuildrVolume volume = plan.volumes[v];
int numberOfVolumePoints = volume.points.Count;
for (int f = 0; f < numberOfVolumePoints; f++)
{
if (!volume.renderFacade[f])
{
continue;
}
int indexA = f;
int indexB = (f < numberOfVolumePoints - 1) ? f + 1 : 0;
Vector2z p0 = plan.points[volume.points[indexA]];
Vector2z p1 = plan.points[volume.points[indexB]];
float facadeWidth = Vector2z.Distance(p0, p1) * PIXELS_PER_METER;
int floorBase = plan.GetFacadeFloorHeight(v, volume.points[indexA], volume.points[indexB]);
int numberOfFloors = volume.numberOfFloors - floorBase;
if (numberOfFloors < 1)//no facade - adjacent facade is taller and covers this one
{
continue;
}
float floorHeight = data.floorHeight;
float facadeHeight = (volume.numberOfFloors - floorBase) * floorHeight * PIXELS_PER_METER;
if (facadeHeight < 0)
{
facadeWidth = 0;
facadeHeight = 0;
}
Rect newFacadeRect = new Rect(0, 0, facadeWidth, facadeHeight);
packedTexturePositions.Add(newFacadeRect);
numberOfFacades++;
}
}
//Build ROOF
DynamicMeshGenericMultiMaterialMesh dynMeshRoof = new DynamicMeshGenericMultiMaterialMesh();
dynMeshRoof.name = "Roof Mesh";
dynMeshRoof.subMeshCount = textures.Length;
BuildrRoof.Build(dynMeshRoof, data, true);
dynMeshRoof.CheckMaxTextureUVs(data);
roofTextures.Clear();
roofTextureIndex.Clear();
foreach (BuildrRoofDesign roofDesign in data.roofs)
{
foreach (int textureIndex in roofDesign.textureValues)
{
if (!roofTextureIndex.Contains(textureIndex))
{
BuildrTexture bTexture = data.textures[textureIndex];
Vector2 largestSubmeshPlaneSize = new Vector2(1, 1);
Vector2 minWorldUvSize = dynMeshRoof.MinWorldUvSize(textureIndex);
Vector2 maxWorldUvSize = dynMeshRoof.MaxWorldUvSize(textureIndex);
largestSubmeshPlaneSize.x = maxWorldUvSize.x - minWorldUvSize.x;
largestSubmeshPlaneSize.y = maxWorldUvSize.y - minWorldUvSize.y;
int roofTextureWidth = Mathf.RoundToInt(largestSubmeshPlaneSize.x * PIXELS_PER_METER);
int roofTextureHeight = Mathf.RoundToInt(largestSubmeshPlaneSize.y * PIXELS_PER_METER);
Rect newRoofTexutureRect = new Rect(0, 0, roofTextureWidth, roofTextureHeight);
packedTexturePositions.Add(newRoofTexutureRect);
roofTextures.Add(bTexture);
roofTextureIndex.Add(textureIndex);
}
}
}
//run a custom packer to define their postions
textureWidth = RectanglePack.Pack(packedTexturePositions, ATLAS_PADDING);
//determine the resize scale and apply that to the rects
packedScale = 1;
int numberOfRects = packedTexturePositions.Count;
if (textureWidth > MAXIMUM_TEXTURESIZE)
{
packedScale = MAXIMUM_TEXTURESIZE / (float)textureWidth;
for (int i = 0; i < numberOfRects; i++)
{
Rect thisRect = packedTexturePositions[i];
thisRect.x *= packedScale;
thisRect.y *= packedScale;
thisRect.width *= packedScale;
thisRect.height *= packedScale;
packedTexturePositions[i] = thisRect;
//Debug.Log("Rects "+roofTextures[i-+packedTexturePositions[i]);
}
textureWidth = Mathf.RoundToInt(packedScale * textureWidth);
}
else
{
textureWidth = (int)Mathf.Pow(2, (Mathf.FloorToInt(Mathf.Log(textureWidth - 1, 2)) + 1));//find the next power of two
}
textureSize = textureWidth * textureWidth;
colourArray = new Color32[textureSize];
//TestRectColours();//this test paints all the facades with rainbow colours - real pretty
BuildTextures();
Texture2D packedTexture = new Texture2D(textureWidth, textureWidth, TextureFormat.ARGB32, true);
packedTexture.filterMode = FilterMode.Bilinear;
packedTexture.SetPixels32(colourArray);
packedTexture.Apply(true, false);
if (data.OneDrawCallTexture != null)
{
Object.DestroyImmediate(data.OneDrawCallTexture);
}
data.OneDrawCallTexture = packedTexture;
data.OneDrawCallTexture.name = "One Draw Call Texture";
int numberOfRoofTextures = roofTextures.Count - 1;
List <Rect> facadeTexturePositions = new List <Rect>(packedTexturePositions);
Debug.Log(numberOfRoofTextures);
facadeTexturePositions.RemoveRange(packedTexturePositions.Count - numberOfRoofTextures, numberOfRoofTextures);
BuildrBuilding.Build(mesh, data, facadeTexturePositions.ToArray());
data = null;
mesh = null;
textures = null;
System.GC.Collect();
}