| 11 | import field.utility.times |
| 12 | import marc.math.Flann |
| 13 | |
| 14 | import java.io.BufferedReader |
| 15 | import java.io.File |
| 16 | import java.io.FileNotFoundException |
| 17 | import java.io.FileReader |
| 18 | import java.io.IOException |
| 19 | import java.io.RandomAccessFile |
| 20 | import java.nio.ByteBuffer |
| 21 | import java.nio.ByteOrder |
| 22 | import java.nio.FloatBuffer |
| 23 | import java.nio.MappedByteBuffer |
| 24 | import java.nio.channels.FileChannel.MapMode |
| 25 | import java.util.ArrayList |
| 26 | |
| 27 | |
| 28 | class FastLoadPly(val fn: String) { |
| 29 | |
| 30 | @JvmField |
| 31 | var next : FastLoadPly? = null |
| 32 | |
| 33 | private var boundTo: BaseMesh? = null |
| 34 | |
| 35 | private var lp: LoadPly |
| 36 | |
| 37 | var filename: String? = null |
| 38 | |
| 39 | lateinit var positions: FloatBuffer |
| 40 | lateinit var color: FloatBuffer |
| 41 | lateinit var normal: FloatBuffer |
| 42 | lateinit var size: FloatBuffer |
| 43 | |
| 44 | var dirty_positions = false |
| 45 | var dirty_color = false |
| 46 | var dirty_normal = false |
| 47 | var dirty_size = false |
| 48 | |
| 49 | |
| 50 | data class Point(val at: Vec3, val color: Vec3?, val normal: Vec3?) { |
| 51 | } |
| 52 | |
| 53 | init { |
| 54 | lp = LoadPly(fn) |
| 55 | |
| 56 | positions = ByteBuffer.allocateDirect(4 * lp.points.size * 3).order(ByteOrder.nativeOrder()).asFloatBuffer() |
| 57 | color = ByteBuffer.allocateDirect(4 * lp.points.size * 4).order(ByteOrder.nativeOrder()).asFloatBuffer() |
| 58 | normal = ByteBuffer.allocateDirect(4 * lp.points.size * 3).order(ByteOrder.nativeOrder()).asFloatBuffer() |
| 59 | size = ByteBuffer.allocateDirect(4 * lp.points.size * 1).order(ByteOrder.nativeOrder()).asFloatBuffer() |
| 60 | |
| 61 | lp.points.forEachIndexed { i, p -> |
| 62 | |
| 63 | positions.put(i * 3 + 0, p.at.x.toFloat()) |
| 64 | positions.put(i * 3 + 1, p.at.y.toFloat()) |
| 65 | positions.put(i * 3 + 2, p.at.z.toFloat()) |
| 66 | |
| 67 | color.put(i * 4 + 0, p.color?.x?.toFloat() ?: 1f) |
| 68 | color.put(i * 4 + 1, p.color?.y?.toFloat() ?: 1f) |
| 69 | color.put(i * 4 + 2, p.color?.z?.toFloat() ?: 1f) |
| 70 | color.put(i * 4 + 3, 1f) |