public void LoadPC(MegaCachePointCloudXYZ mod, string filename, int first, int last, int step)
{
if (mod.image == null)
{
mod.image = ScriptableObject.CreateInstance <MegaCachePCXYZImage>();
}
if (mod.image && mod.image.frames.Count > 0)
{
if (!EditorUtility.DisplayDialog("Add to or Replace", "Add new Frames to existing list, or Replace All", "Add", "Replace"))
{
mod.image.frames.Clear();
mod.image.maxpoints = 0;
}
}
if (step < 1)
{
step = 1;
}
for (int i = first; i <= last; i += step)
{
float a = (float)(i + 1 - first) / (last - first);
if (!EditorUtility.DisplayCancelableProgressBar("Loading Clouds", "Frame " + i, a))
{
MegaCachePCXYZFrame fr = mod.LoadFrame(filename, i);
if (fr != null)
{
mod.image.frames.Add(fr);
if (fr.points.Length > mod.image.maxpoints)
{
mod.image.maxpoints = fr.points.Length;
}
}
else
{
EditorUtility.DisplayDialog("Can't Load File", "Could not load frame " + i + " of sequence! Import Stopped.", "OK");
break;
}
}
else
{
break;
}
}
EditorUtility.ClearProgressBar();
}
public MegaCachePCXYZFrame LoadFrame(string filename, int frame)
{
MegaCachePCXYZFrame fr = null;
string dir = Path.GetDirectoryName(filename);
string file = Path.GetFileNameWithoutExtension(filename);
file = MegaCacheUtils.MakeFileName(file, ref decformat);
//if ( file.Length > 0 )
{
string newfname = dir + "/" + file + frame.ToString("D" + decformat) + ".xyz";
fr = LoadFrameStream(newfname);
}
return(fr);
}
public MegaCachePCXYZFrame LoadFrame(string filename)
{
StreamReader stream = File.OpenText(filename);
if (stream == null)
{
return(null);
}
string entireText = stream.ReadToEnd();
stream.Close();
entireText.Replace('\n', '\r');
char[] splitIdentifier = { ' ' };
//StringReader reader = new StringReader(entireText);
MegaCacheParticle.offset = 0;
List <Vector3> pos = new List <Vector3>();
List <Color32> col = new List <Color32>();
Vector3 p = Vector3.zero;
Color32 c = new Color32(255, 255, 255, 255);
MegaCachePCXYZFrame frame = new MegaCachePCXYZFrame();
int sk = 0;
while (true)
{
//string ps = reader.ReadLine();
string ps = MegaCacheParticle.ReadLine(entireText);
if (ps == null || ps.Length == 0)
{
break;
}
sk--;
if (sk < 0)
{
string[] brokenString = ps.Split(splitIdentifier, 50);
if (brokenString.Length == 6)
{
p.x = float.Parse(brokenString[0]);
p.y = float.Parse(brokenString[1]);
p.z = float.Parse(brokenString[2]);
if (yupimport)
{
p = MegaCachePointCloud.AdjustYUp(p);
}
c.r = byte.Parse(brokenString[3]);
c.g = byte.Parse(brokenString[4]);
c.b = byte.Parse(brokenString[5]);
pos.Add(p * importscale);
col.Add(c);
}
sk = particleskip;
}
}
frame.points = pos.ToArray();
frame.color = col.ToArray();
//mod.image.frames.Add(frame);
return(frame);
}
//int lastsetframe = -1;
void UpdateParticles(float dt)
{
if (!update)
{
return;
}
if (dt > 0.01f)
{
dt = 0.01f;
}
//if ( framenum == lastsetframe )
//return;
if (particle && image && image.frames != null && image.frames.Count > 0)
{
if (particles == null || particles.Length != image.maxpoints)
{
particles = new ParticleSystem.Particle[image.maxpoints];
}
framenum = Mathf.Clamp(framenum, 0, image.frames.Count - 1);
//lastsetframe = framenum;
MegaCachePCXYZFrame frame = image.frames[framenum];
// Do we need this
//particle.GetParticles(particles);
if (havecol)
{
byte alpha = (byte)(transparency * 255.0f);
for (int i = 0; i < frame.points.Length; i++)
{
particles[i].position = frame.points[i] * playscale;
#if UNITY_2017 || UNITY_2018
particles[i].remainingLifetime = 1.0f;
#else
particles[i].lifetime = 1.0f; //ph.life - ps.time;
#endif
particles[i].startLifetime = 1.0f; //ph.life;
Color32 c = frame.color[i];
c.a = alpha;
#if UNITY_5_3 || UNITY_5_4 || UNITY_5_5 || UNITY_5_6 || UNITY_2017 || UNITY_2018
particles[i].startColor = c;
particles[i].startSize = playsize * playscale;
#else
particles[i].color = c;
particles[i].size = playsize * playscale;
#endif
}
}
else
{
//byte alpha = (byte)(transparency * 255.0f);
for (int i = 0; i < frame.points.Length; i++)
{
particles[i].position = frame.points[i] * playscale;
#if UNITY_2017 || UNITY_2018
particles[i].remainingLifetime = 1.0f;
#else
particles[i].lifetime = 1.0f; //ph.life - ps.time;
#endif
particles[i].startLifetime = 1.0f; //ph.life;
#if UNITY_5_3 || UNITY_5_4 || UNITY_5_5 || UNITY_5_6 || UNITY_2017 || UNITY_2018
particles[i].startColor = color;
particles[i].startSize = playsize * playscale;
#else
particles[i].size = playsize * playscale;
particles[i].color = color;
#endif
}
}
particle.SetParticles(particles, frame.points.Length);
}
}
public void LoadPLYFileStream(MegaCachePointCloudXYZ mod, string filename) //, int first, int last, int step)
{
if (mod.image == null)
{
mod.image = ScriptableObject.CreateInstance <MegaCachePCXYZImage>();
}
if (mod.image && mod.image.frames.Count > 0)
{
if (!EditorUtility.DisplayDialog("Add to or Replace", "Add new Frames to existing list, or Replace All", "Add", "Replace"))
{
mod.image.frames.Clear();
mod.image.maxpoints = 0;
}
}
StreamReader stream = File.OpenText(filename);
if (stream == null)
{
return;
}
//string entireText = stream.ReadToEnd();
char[] splitIdentifier = { ' ' };
//StringReader reader = new StringReader(entireText);
bool readheader = true;
int haveverts = -1;
//int havenorms = -1;
int havecols = -1;
bool havealpha = false;
int vcount = 0;
int index = 0;
while (readheader)
{
string ps = stream.ReadLine();
if (ps == null || ps.Length == 0)
{
break;
}
string[] brokenString = ps.Split(splitIdentifier, 50);
switch (brokenString[0])
{
case "ply":
break;
case "format":
if (brokenString[1] != "ascii")
{
Debug.LogWarning("Only Ascci PLY format files are supported!");
stream.Close();
return;
}
break;
case "end_header":
readheader = false;
break;
case "comment": break;
case "element":
if (brokenString[1] == "vertex")
{
vcount = int.Parse(brokenString[2]);
}
break;
case "property":
if (brokenString[2] == "x")
{
haveverts = index;
}
//if ( brokenString[2] == "nx" )
//havenorms = index;
if (brokenString[2] == "red")
{
havecols = index;
}
if (brokenString[2] == "alpha")
{
havealpha = true;
}
index++;
break;
}
}
if (havecols == -1)
{
mod.havecol = false;
}
else
{
mod.havecol = true;
}
List <Vector3> pos = new List <Vector3>();
List <Color32> col = new List <Color32>();
Vector3 p = Vector3.zero;
Color32 c = new Color32(255, 255, 255, 255);
MegaCachePCXYZFrame frame = new MegaCachePCXYZFrame();
int barcount = 0;
int countlim = vcount / 100;
int skip = 0;
for (int i = 0; i < vcount; i++)
{
float a = (float)i / (float)vcount;
barcount++;
if (barcount > countlim)
{
barcount = 0;
if (EditorUtility.DisplayCancelableProgressBar("Loading Points", "Point " + i, a))
{
break;
}
}
string ps = stream.ReadLine();
if (ps == null || ps.Length == 0)
{
break;
}
string[] brokenString = ps.Split(splitIdentifier, 50);
//if ( brokenString.Length != 8 )
//{
//Debug.Log("l " + brokenString.Length + " i " + i + " ps " + ps);
//break;
//}
p.x = float.Parse(brokenString[haveverts]);
p.y = float.Parse(brokenString[haveverts + 1]);
p.z = float.Parse(brokenString[haveverts + 2]);
if (havecols >= 0)
{
c.r = byte.Parse(brokenString[havecols]);
c.g = byte.Parse(brokenString[havecols + 1]);
c.b = byte.Parse(brokenString[havecols + 2]);
if (havealpha)
{
c.a = byte.Parse(brokenString[havecols + 3]);
}
}
skip++;
if (skip >= mod.particleskip)
{
skip = 0;
pos.Add(p * mod.importscale);
col.Add(c);
}
}
stream.Close();
EditorUtility.ClearProgressBar();
frame.points = pos.ToArray();
frame.color = col.ToArray();
if (frame != null)
{
mod.image.frames.Add(frame);
if (frame.points.Length > mod.image.maxpoints)
{
mod.image.maxpoints = frame.points.Length;
}
}
}
