86 lines
2.5 KiB
C#
86 lines
2.5 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using UnityEngine;
|
|||
|
|
using System.IO;
|
|||
|
|
using UnityEditor;
|
|||
|
|
|
|||
|
|
class TerrainExport : EditorWindow
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
static TerrainData terraindata;
|
|||
|
|
|
|||
|
|
[MenuItem("Terrain/Export Height Map as MAP")]
|
|||
|
|
static void Init()
|
|||
|
|
{
|
|||
|
|
terraindata = null;
|
|||
|
|
Terrain terrain = null;
|
|||
|
|
|
|||
|
|
if (Selection.activeGameObject)
|
|||
|
|
terrain = Selection.activeGameObject.GetComponent<Terrain>();
|
|||
|
|
|
|||
|
|
if (!terrain)
|
|||
|
|
{
|
|||
|
|
terrain = Terrain.activeTerrain;
|
|||
|
|
}
|
|||
|
|
if (terrain)
|
|||
|
|
{
|
|||
|
|
terraindata = terrain.terrainData;
|
|||
|
|
}
|
|||
|
|
if (terraindata == null)
|
|||
|
|
{
|
|||
|
|
EditorUtility.DisplayDialog("No terrain selected", "Please select a terrain.", "Cancel");
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
float[,] rawHeights = terraindata.GetHeights(0, 0, terraindata.heightmapWidth, terraindata.heightmapHeight);
|
|||
|
|
byte[] data = new byte[terraindata.heightmapWidth * terraindata.heightmapHeight * 4 + 16];
|
|||
|
|
|
|||
|
|
int a = terraindata.heightmapWidth;
|
|||
|
|
data[0] = (byte)((a >> 24) & 0xff);
|
|||
|
|
data[1] = (byte)((a >> 16) & 0xff);
|
|||
|
|
data[2] = (byte)((a >> 8) & 0xff);
|
|||
|
|
data[3] = (byte)((a >> 0) & 0xff);
|
|||
|
|
|
|||
|
|
a = terraindata.heightmapHeight;
|
|||
|
|
data[4] = (byte)((a >> 24) & 0xff);
|
|||
|
|
data[5] = (byte)((a >> 16) & 0xff);
|
|||
|
|
data[6] = (byte)((a >> 8) & 0xff);
|
|||
|
|
data[7] = (byte)((a >> 0) & 0xff);
|
|||
|
|
|
|||
|
|
int pointer = 8;
|
|||
|
|
|
|||
|
|
byte[] array = BitConverter.GetBytes(terraindata.size.x);
|
|||
|
|
foreach (byte b in array)
|
|||
|
|
{
|
|||
|
|
data[pointer++] = b;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
array = BitConverter.GetBytes(terraindata.size.z);
|
|||
|
|
foreach (byte b in array)
|
|||
|
|
{
|
|||
|
|
data[pointer++] = b;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
float max = 0;
|
|||
|
|
for (int x = 0; x < terraindata.heightmapWidth; x++)
|
|||
|
|
{
|
|||
|
|
for (int y = 0; y < terraindata.heightmapHeight; y++)
|
|||
|
|
{
|
|||
|
|
float s = rawHeights[y, x] * terraindata.heightmapScale.y;
|
|||
|
|
max = (s > max) ? s : max;
|
|||
|
|
array = BitConverter.GetBytes(s);
|
|||
|
|
foreach (byte b in array)
|
|||
|
|
{
|
|||
|
|
data[pointer++] = b;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
File.WriteAllBytes(Application.dataPath + "/" + "heightmap.map", data);
|
|||
|
|
EditorUtility.DisplayDialog("Heightmap Duplicated", "Saved as PNG in Assets/ as: " + "heightmap.map maxheight:" + max + " width:" + terraindata.size.x + " height:" + terraindata.size.z, "Ok");
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|