mirror of
https://github.com/justasabc/UnityOpenSimClient.git
synced 2026-08-14 09:02:36 +00:00
add objects and terrain rendering, and terrain texturing
This commit is contained in:
cqarthur
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DefaultImporter:
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|
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||||
//
|
||||
// Radegast Metaverse Client
|
||||
// Copyright (c) 2009-2013, Radegast Development Team
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimer in the
|
||||
// documentation and/or other materials provided with the distribution.
|
||||
// * Neither the name of the application "Radegast", nor the names of its
|
||||
// contributors may be used to endorse or promote products derived from
|
||||
// this software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
//
|
||||
// Based on code from Aurora Sim and OpenSimulator
|
||||
// Copyright (c) Contributors, http://aurora-sim.org/, http://opensimulator.org/
|
||||
//
|
||||
// $Id$
|
||||
//
|
||||
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Drawing;
|
||||
using System.Drawing.Imaging;
|
||||
using System.IO;
|
||||
using System.Reflection;
|
||||
using OpenMetaverse;
|
||||
using OpenMetaverse.Imaging;
|
||||
using OpenMetaverse.Rendering;
|
||||
using OpenMetaverse.StructuredData;
|
||||
|
||||
namespace Radegast.Rendering
|
||||
{
|
||||
public static class ImageUtils
|
||||
{
|
||||
/// <summary>
|
||||
/// Performs bilinear interpolation between four values
|
||||
/// </summary>
|
||||
/// <param name="v00">First, or top left value</param>
|
||||
/// <param name="v01">Second, or top right value</param>
|
||||
/// <param name="v10">Third, or bottom left value</param>
|
||||
/// <param name="v11">Fourth, or bottom right value</param>
|
||||
/// <param name="xPercent">Interpolation value on the X axis, between 0.0 and 1.0</param>
|
||||
/// <param name="yPercent">Interpolation value on fht Y axis, between 0.0 and 1.0</param>
|
||||
/// <returns>The bilinearly interpolated result</returns>
|
||||
public static float Bilinear(float v00, float v01, float v10, float v11, float xPercent, float yPercent)
|
||||
{
|
||||
return Utils.Lerp(Utils.Lerp(v00, v01, xPercent), Utils.Lerp(v10, v11, xPercent), yPercent);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Performs a high quality image resize
|
||||
/// </summary>
|
||||
/// <param name="image">Image to resize</param>
|
||||
/// <param name="width">New width</param>
|
||||
/// <param name="height">New height</param>
|
||||
/// <returns>Resized image</returns>
|
||||
public static Bitmap ResizeImage(Image image, int width, int height)
|
||||
{
|
||||
Bitmap result = new Bitmap(width, height);
|
||||
|
||||
using (Graphics graphics = Graphics.FromImage(result))
|
||||
{
|
||||
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
|
||||
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
|
||||
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
|
||||
graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
|
||||
|
||||
graphics.DrawImage(image, 0, 0, result.Width, result.Height);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
fileFormatVersion: 2
|
||||
guid: aba027515e0e30948b38890f73e12f04
|
||||
MonoImporter:
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
Binary file not shown.
@@ -0,0 +1,278 @@
|
||||
//
|
||||
// Radegast Metaverse Client
|
||||
// Copyright (c) 2009-2013, Radegast Development Team
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimer in the
|
||||
// documentation and/or other materials provided with the distribution.
|
||||
// * Neither the name of the application "Radegast", nor the names of its
|
||||
// contributors may be used to endorse or promote products derived from
|
||||
// this software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
//
|
||||
// Based on code from Aurora Sim and OpenSimulator
|
||||
// Copyright (c) Contributors, http://aurora-sim.org/, http://opensimulator.org/
|
||||
//
|
||||
// $Id$
|
||||
//
|
||||
|
||||
using System;
|
||||
using OpenMetaverse;
|
||||
|
||||
namespace Radegast.Rendering
|
||||
{
|
||||
public static class Perlin
|
||||
{
|
||||
// We use a hardcoded seed to keep the noise generation consistent between runs
|
||||
private const int SEED = 42;
|
||||
|
||||
private const int SAMPLE_SIZE = 1024;
|
||||
private const int B = SAMPLE_SIZE;
|
||||
private const int BM = SAMPLE_SIZE - 1;
|
||||
private const int N = 0x1000;
|
||||
|
||||
private static readonly int[] p = new int[SAMPLE_SIZE + SAMPLE_SIZE + 2];
|
||||
private static readonly float[,] g3 = new float[SAMPLE_SIZE + SAMPLE_SIZE + 2, 3];
|
||||
private static readonly float[,] g2 = new float[SAMPLE_SIZE + SAMPLE_SIZE + 2, 2];
|
||||
private static readonly float[] g1 = new float[SAMPLE_SIZE + SAMPLE_SIZE + 2];
|
||||
|
||||
static Perlin()
|
||||
{
|
||||
Random rng = new Random(SEED);
|
||||
int i, j, k;
|
||||
|
||||
for (i = 0; i < B; i++)
|
||||
{
|
||||
p[i] = i;
|
||||
g1[i] = (float)((rng.Next() % (B + B)) - B) / B;
|
||||
|
||||
for (j = 0; j < 2; j++)
|
||||
g2[i, j] = (float)((rng.Next() % (B + B)) - B) / B;
|
||||
normalize2(g2, i);
|
||||
|
||||
for (j = 0; j < 3; j++)
|
||||
g3[i, j] = (float)((rng.Next() % (B + B)) - B) / B;
|
||||
normalize3(g3, i);
|
||||
}
|
||||
|
||||
while (--i > 0)
|
||||
{
|
||||
k = p[i];
|
||||
p[i] = p[j = rng.Next() % B];
|
||||
p[j] = k;
|
||||
}
|
||||
|
||||
for (i = 0; i < B + 2; i++)
|
||||
{
|
||||
p[B + i] = p[i];
|
||||
g1[B + i] = g1[i];
|
||||
for (j = 0; j < 2; j++)
|
||||
g2[B + i, j] = g2[i, j];
|
||||
for (j = 0; j < 3; j++)
|
||||
g3[B + i, j] = g3[i, j];
|
||||
}
|
||||
}
|
||||
|
||||
public static float noise1(float arg)
|
||||
{
|
||||
int bx0, bx1;
|
||||
float rx0, rx1, sx, t, u, v;
|
||||
|
||||
t = arg + N;
|
||||
bx0 = ((int)t) & BM;
|
||||
bx1 = (bx0 + 1) & BM;
|
||||
rx0 = t - (int)t;
|
||||
rx1 = rx0 - 1f;
|
||||
|
||||
sx = s_curve(rx0);
|
||||
|
||||
u = rx0 * g1[p[bx0]];
|
||||
v = rx1 * g1[p[bx1]];
|
||||
|
||||
return Utils.Lerp(u, v, sx);
|
||||
}
|
||||
|
||||
public static float noise2(float x, float y)
|
||||
{
|
||||
int bx0, bx1, by0, by1, b00, b10, b01, b11;
|
||||
float rx0, rx1, ry0, ry1, sx, sy, a, b, t, u, v;
|
||||
int i, j;
|
||||
|
||||
t = x + N;
|
||||
bx0 = ((int)t) & BM;
|
||||
bx1 = (bx0 + 1) & BM;
|
||||
rx0 = t - (int)t;
|
||||
rx1 = rx0 - 1f;
|
||||
|
||||
t = y + N;
|
||||
by0 = ((int)t) & BM;
|
||||
by1 = (by0 + 1) & BM;
|
||||
ry0 = t - (int)t;
|
||||
ry1 = ry0 - 1f;
|
||||
|
||||
i = p[bx0];
|
||||
j = p[bx1];
|
||||
|
||||
b00 = p[i + by0];
|
||||
b10 = p[j + by0];
|
||||
b01 = p[i + by1];
|
||||
b11 = p[j + by1];
|
||||
|
||||
sx = s_curve(rx0);
|
||||
sy = s_curve(ry0);
|
||||
|
||||
u = rx0 * g2[b00, 0] + ry0 * g2[b00, 1];
|
||||
v = rx1 * g2[b10, 0] + ry0 * g2[b10, 1];
|
||||
a = Utils.Lerp(u, v, sx);
|
||||
|
||||
u = rx0 * g2[b01, 0] + ry1 * g2[b01, 1];
|
||||
v = rx1 * g2[b11, 0] + ry1 * g2[b11, 1];
|
||||
b = Utils.Lerp(u, v, sx);
|
||||
|
||||
return Utils.Lerp(a, b, sy);
|
||||
}
|
||||
|
||||
public static float noise3(float x, float y, float z)
|
||||
{
|
||||
int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11;
|
||||
float rx0, rx1, ry0, ry1, rz0, rz1, sy, sz, a, b, c, d, t, u, v;
|
||||
int i, j;
|
||||
|
||||
t = x + N;
|
||||
bx0 = ((int)t) & BM;
|
||||
bx1 = (bx0 + 1) & BM;
|
||||
rx0 = t - (int)t;
|
||||
rx1 = rx0 - 1f;
|
||||
|
||||
t = y + N;
|
||||
by0 = ((int)t) & BM;
|
||||
by1 = (by0 + 1) & BM;
|
||||
ry0 = t - (int)t;
|
||||
ry1 = ry0 - 1f;
|
||||
|
||||
t = z + N;
|
||||
bz0 = ((int)t) & BM;
|
||||
bz1 = (bz0 + 1) & BM;
|
||||
rz0 = t - (int)t;
|
||||
rz1 = rz0 - 1f;
|
||||
|
||||
i = p[bx0];
|
||||
j = p[bx1];
|
||||
|
||||
b00 = p[i + by0];
|
||||
b10 = p[j + by0];
|
||||
b01 = p[i + by1];
|
||||
b11 = p[j + by1];
|
||||
|
||||
t = s_curve(rx0);
|
||||
sy = s_curve(ry0);
|
||||
sz = s_curve(rz0);
|
||||
|
||||
u = rx0 * g3[b00 + bz0, 0] + ry0 * g3[b00 + bz0, 1] + rz0 * g3[b00 + bz0, 2];
|
||||
v = rx1 * g3[b10 + bz0, 0] + ry0 * g3[b10 + bz0, 1] + rz0 * g3[b10 + bz0, 2];
|
||||
a = Utils.Lerp(u, v, t);
|
||||
|
||||
u = rx0 * g3[b01 + bz0, 0] + ry1 * g3[b01 + bz0, 1] + rz0 * g3[b01 + bz0, 2];
|
||||
v = rx1 * g3[b11 + bz0, 0] + ry1 * g3[b11 + bz0, 1] + rz0 * g3[b11 + bz0, 2];
|
||||
b = Utils.Lerp(u, v, t);
|
||||
|
||||
c = Utils.Lerp(a, b, sy);
|
||||
|
||||
u = rx0 * g3[b00 + bz1, 0] + ry0 * g3[b00 + bz1, 1] + rz1 * g3[b00 + bz1, 2];
|
||||
v = rx1 * g3[b10 + bz1, 0] + ry0 * g3[b10 + bz1, 1] + rz1 * g3[b10 + bz1, 2];
|
||||
a = Utils.Lerp(u, v, t);
|
||||
|
||||
u = rx0 * g3[b01 + bz1, 0] + ry1 * g3[b01 + bz1, 1] + rz1 * g3[b01 + bz1, 2];
|
||||
v = rx1 * g3[b11 + bz1, 0] + ry1 * g3[b11 + bz1, 1] + rz1 * g3[b11 + bz1, 2];
|
||||
b = Utils.Lerp(u, v, t);
|
||||
|
||||
d = Utils.Lerp(a, b, sy);
|
||||
return Utils.Lerp(c, d, sz);
|
||||
}
|
||||
|
||||
public static float turbulence1(float x, float freq)
|
||||
{
|
||||
float t;
|
||||
float v;
|
||||
|
||||
for (t = 0f; freq >= 1f; freq *= 0.5f)
|
||||
{
|
||||
v = freq * x;
|
||||
t += noise1(v) / freq;
|
||||
}
|
||||
return t;
|
||||
}
|
||||
|
||||
public static float turbulence2(float x, float y, float freq)
|
||||
{
|
||||
float t;
|
||||
Vector2 vec;
|
||||
|
||||
for (t = 0f; freq >= 1f; freq *= 0.5f)
|
||||
{
|
||||
vec.X = freq * x;
|
||||
vec.Y = freq * y;
|
||||
t += noise2(vec.X, vec.Y) / freq;
|
||||
}
|
||||
return t;
|
||||
}
|
||||
|
||||
public static float turbulence3(float x, float y, float z, float freq)
|
||||
{
|
||||
float t;
|
||||
Vector3 vec;
|
||||
|
||||
for (t = 0f; freq >= 1f; freq *= 0.5f)
|
||||
{
|
||||
vec.X = freq * x;
|
||||
vec.Y = freq * y;
|
||||
vec.Z = freq * z;
|
||||
t += noise3(vec.X, vec.Y, vec.Z) / freq;
|
||||
}
|
||||
return t;
|
||||
}
|
||||
|
||||
private static void normalize2(float[,] v, int i)
|
||||
{
|
||||
float s;
|
||||
|
||||
s = (float)Math.Sqrt(v[i, 0] * v[i, 0] + v[i, 1] * v[i, 1]);
|
||||
s = 1.0f / s;
|
||||
v[i, 0] = v[i, 0] * s;
|
||||
v[i, 1] = v[i, 1] * s;
|
||||
}
|
||||
|
||||
private static void normalize3(float[,] v, int i)
|
||||
{
|
||||
float s;
|
||||
|
||||
s = (float)Math.Sqrt(v[i, 0] * v[i, 0] + v[i, 1] * v[i, 1] + v[i, 2] * v[i, 2]);
|
||||
s = 1.0f / s;
|
||||
|
||||
v[i, 0] = v[i, 0] * s;
|
||||
v[i, 1] = v[i, 1] * s;
|
||||
v[i, 2] = v[i, 2] * s;
|
||||
}
|
||||
|
||||
private static float s_curve(float t)
|
||||
{
|
||||
return t * t * (3f - 2f * t);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
fileFormatVersion: 2
|
||||
guid: 2fe71911bbe5a5c459ca6939a02aad62
|
||||
MonoImporter:
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
@@ -0,0 +1,383 @@
|
||||
//
|
||||
// Radegast Metaverse Client
|
||||
// Copyright (c) 2009-2013, Radegast Development Team
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above copyright
|
||||
// notice, this list of conditions and the following disclaimer in the
|
||||
// documentation and/or other materials provided with the distribution.
|
||||
// * Neither the name of the application "Radegast", nor the names of its
|
||||
// contributors may be used to endorse or promote products derived from
|
||||
// this software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
//
|
||||
// Based on code from Aurora Sim and OpenSimulator
|
||||
// Copyright (c) Contributors, http://aurora-sim.org/, http://opensimulator.org/
|
||||
//
|
||||
// $Id$
|
||||
//
|
||||
|
||||
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Drawing;
|
||||
using System.Drawing.Imaging;
|
||||
using System.Threading;
|
||||
using OpenMetaverse;
|
||||
using OpenMetaverse.Imaging;
|
||||
|
||||
namespace Radegast.Rendering
|
||||
{
|
||||
public static class TerrainSplat
|
||||
{
|
||||
#region Constants
|
||||
|
||||
private static readonly UUID DIRT_DETAIL = new UUID("0bc58228-74a0-7e83-89bc-5c23464bcec5");
|
||||
private static readonly UUID GRASS_DETAIL = new UUID("63338ede-0037-c4fd-855b-015d77112fc8");
|
||||
private static readonly UUID MOUNTAIN_DETAIL = new UUID("303cd381-8560-7579-23f1-f0a880799740");
|
||||
private static readonly UUID ROCK_DETAIL = new UUID("53a2f406-4895-1d13-d541-d2e3b86bc19c");
|
||||
private static readonly int RegionSize = 256;
|
||||
|
||||
private static readonly UUID[] DEFAULT_TERRAIN_DETAIL = new UUID[]
|
||||
{
|
||||
DIRT_DETAIL,
|
||||
GRASS_DETAIL,
|
||||
MOUNTAIN_DETAIL,
|
||||
ROCK_DETAIL
|
||||
};
|
||||
|
||||
private static readonly Color[] DEFAULT_TERRAIN_COLOR = new Color[]
|
||||
{
|
||||
Color.FromArgb(255, 164, 136, 117),
|
||||
Color.FromArgb(255, 65, 87, 47),
|
||||
Color.FromArgb(255, 157, 145, 131),
|
||||
Color.FromArgb(255, 125, 128, 130)
|
||||
};
|
||||
|
||||
private static readonly UUID TERRAIN_CACHE_MAGIC = new UUID("2c0c7ef2-56be-4eb8-aacb-76712c535b4b");
|
||||
|
||||
#endregion Constants
|
||||
|
||||
/// <summary>
|
||||
/// Builds a composited terrain texture given the region texture
|
||||
/// and heightmap settings
|
||||
/// </summary>
|
||||
/// <param name="heightmap">Terrain heightmap</param>
|
||||
/// <param name="regionInfo">Region information including terrain texture parameters</param>
|
||||
/// <returns>A composited 256x256 RGB texture ready for rendering</returns>
|
||||
/// <remarks>Based on the algorithm described at http://opensimulator.org/wiki/Terrain_Splatting
|
||||
/// </remarks>
|
||||
/// HACK: Change RadegastInstance to GridClient
|
||||
public static Bitmap Splat(GridClient client, float[,] heightmap, UUID[] textureIDs, float[] startHeights, float[] heightRanges)
|
||||
{
|
||||
Debug.Assert(textureIDs.Length == 4);
|
||||
Debug.Assert(startHeights.Length == 4);
|
||||
Debug.Assert(heightRanges.Length == 4);
|
||||
int outputSize = 2048;
|
||||
|
||||
Bitmap[] detailTexture = new Bitmap[4];
|
||||
|
||||
// Swap empty terrain textureIDs with default IDs
|
||||
for (int i = 0; i < textureIDs.Length; i++)
|
||||
{
|
||||
if (textureIDs[i] == UUID.Zero)
|
||||
textureIDs[i] = DEFAULT_TERRAIN_DETAIL[i];
|
||||
}
|
||||
|
||||
#region Texture Fetching
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
AutoResetEvent textureDone = new AutoResetEvent(false);
|
||||
UUID textureID = textureIDs[i];
|
||||
|
||||
client.Assets.RequestImage(textureID, TextureDownloadCallback(detailTexture, i, textureDone));
|
||||
|
||||
textureDone.WaitOne(3 * 1000, false);
|
||||
}
|
||||
|
||||
#endregion Texture Fetching
|
||||
|
||||
// Fill in any missing textures with a solid color
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
if (detailTexture[i] == null)
|
||||
{
|
||||
// Create a solid color texture for this layer
|
||||
detailTexture[i] = new Bitmap(outputSize, outputSize, PixelFormat.Format24bppRgb);
|
||||
using (Graphics gfx = Graphics.FromImage(detailTexture[i]))
|
||||
{
|
||||
using (SolidBrush brush = new SolidBrush(DEFAULT_TERRAIN_COLOR[i]))
|
||||
gfx.FillRectangle(brush, 0, 0, outputSize, outputSize);
|
||||
}
|
||||
}
|
||||
else if (detailTexture[i].Width != outputSize || detailTexture[i].Height != outputSize)
|
||||
{
|
||||
detailTexture[i] = ResizeBitmap(detailTexture[i], 256, 256);
|
||||
}
|
||||
}
|
||||
|
||||
#region Layer Map
|
||||
|
||||
int diff = heightmap.GetLength(0) / RegionSize;
|
||||
float[] layermap = new float[RegionSize * RegionSize];
|
||||
|
||||
for (int y = 0; y < heightmap.GetLength(0); y += diff)
|
||||
{
|
||||
for (int x = 0; x < heightmap.GetLength(1); x += diff)
|
||||
{
|
||||
int newX = x / diff;
|
||||
int newY = y / diff;
|
||||
float height = heightmap[newX, newY];
|
||||
|
||||
float pctX = (float)newX / 255f;
|
||||
float pctY = (float)newY / 255f;
|
||||
|
||||
// Use bilinear interpolation between the four corners of start height and
|
||||
// height range to select the current values at this position
|
||||
float startHeight = ImageUtils.Bilinear(
|
||||
startHeights[0],
|
||||
startHeights[2],
|
||||
startHeights[1],
|
||||
startHeights[3],
|
||||
pctX, pctY);
|
||||
startHeight = Utils.Clamp(startHeight, 0f, 255f);
|
||||
|
||||
float heightRange = ImageUtils.Bilinear(
|
||||
heightRanges[0],
|
||||
heightRanges[2],
|
||||
heightRanges[1],
|
||||
heightRanges[3],
|
||||
pctX, pctY);
|
||||
heightRange = Utils.Clamp(heightRange, 0f, 255f);
|
||||
|
||||
// Generate two frequencies of perlin noise based on our global position
|
||||
// The magic values were taken from http://opensimulator.org/wiki/Terrain_Splatting
|
||||
Vector3 vec = new Vector3
|
||||
(
|
||||
newX * 0.20319f,
|
||||
newY * 0.20319f,
|
||||
height * 0.25f
|
||||
);
|
||||
|
||||
float lowFreq = Perlin.noise2(vec.X * 0.222222f, vec.Y * 0.222222f) * 6.5f;
|
||||
float highFreq = Perlin.turbulence2(vec.X, vec.Y, 2f) * 2.25f;
|
||||
float noise = (lowFreq + highFreq) * 2f;
|
||||
|
||||
// Combine the current height, generated noise, start height, and height range parameters, then scale all of it
|
||||
float layer = ((height + noise - startHeight) / heightRange) * 4f;
|
||||
if (Single.IsNaN(layer))
|
||||
layer = 0f;
|
||||
layermap[newY * RegionSize + newX] = Utils.Clamp(layer, 0f, 3f);
|
||||
}
|
||||
}
|
||||
|
||||
#endregion Layer Map
|
||||
|
||||
#region Texture Compositing
|
||||
Bitmap output = new Bitmap(outputSize, outputSize, PixelFormat.Format24bppRgb);
|
||||
BitmapData outputData = output.LockBits(new Rectangle(0, 0, outputSize, outputSize), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
|
||||
|
||||
unsafe
|
||||
{
|
||||
// Get handles to all of the texture data arrays
|
||||
BitmapData[] datas = new BitmapData[]
|
||||
{
|
||||
detailTexture[0].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[0].PixelFormat),
|
||||
detailTexture[1].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[1].PixelFormat),
|
||||
detailTexture[2].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[2].PixelFormat),
|
||||
detailTexture[3].LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.ReadOnly, detailTexture[3].PixelFormat)
|
||||
};
|
||||
|
||||
int[] comps = new int[]
|
||||
{
|
||||
(datas[0].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
|
||||
(datas[1].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
|
||||
(datas[2].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3,
|
||||
(datas[3].PixelFormat == PixelFormat.Format32bppArgb) ? 4 : 3
|
||||
};
|
||||
|
||||
int[] strides = new int[]
|
||||
{
|
||||
datas[0].Stride,
|
||||
datas[1].Stride,
|
||||
datas[2].Stride,
|
||||
datas[3].Stride
|
||||
};
|
||||
|
||||
IntPtr[] scans = new IntPtr[]
|
||||
{
|
||||
datas[0].Scan0,
|
||||
datas[1].Scan0,
|
||||
datas[2].Scan0,
|
||||
datas[3].Scan0
|
||||
};
|
||||
|
||||
int ratio = outputSize / RegionSize;
|
||||
|
||||
for (int y = 0; y < outputSize; y++)
|
||||
{
|
||||
for (int x = 0; x < outputSize; x++)
|
||||
{
|
||||
float layer = layermap[(y / ratio) * RegionSize + x / ratio];
|
||||
float layerx = layermap[(y / ratio) * RegionSize + Math.Min(outputSize - 1, (x + 1)) / ratio];
|
||||
float layerxx = layermap[(y / ratio) * RegionSize + Math.Max(0, (x - 1)) / ratio];
|
||||
float layery = layermap[Math.Min(outputSize - 1, (y + 1)) / ratio * RegionSize + x / ratio];
|
||||
float layeryy = layermap[(Math.Max(0, (y - 1)) / ratio) * RegionSize + x / ratio];
|
||||
|
||||
// Select two textures
|
||||
int l0 = (int)Math.Floor(layer);
|
||||
int l1 = Math.Min(l0 + 1, 3);
|
||||
|
||||
byte* ptrA = (byte*)scans[l0] + (y % 256) * strides[l0] + (x % 256) * comps[l0];
|
||||
byte* ptrB = (byte*)scans[l1] + (y % 256) * strides[l1] + (x % 256) * comps[l1];
|
||||
byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride + x * 3;
|
||||
|
||||
float aB = *(ptrA + 0);
|
||||
float aG = *(ptrA + 1);
|
||||
float aR = *(ptrA + 2);
|
||||
|
||||
int lX = (int)Math.Floor(layerx);
|
||||
byte* ptrX = (byte*)scans[lX] + (y % 256) * strides[lX] + (x % 256) * comps[lX];
|
||||
int lXX = (int)Math.Floor(layerxx);
|
||||
byte* ptrXX = (byte*)scans[lXX] + (y % 256) * strides[lXX] + (x % 256) * comps[lXX];
|
||||
int lY = (int)Math.Floor(layery);
|
||||
byte* ptrY = (byte*)scans[lY] + (y % 256) * strides[lY] + (x % 256) * comps[lY];
|
||||
int lYY = (int)Math.Floor(layeryy);
|
||||
byte* ptrYY = (byte*)scans[lYY] + (y % 256) * strides[lYY] + (x % 256) * comps[lYY];
|
||||
|
||||
float bB = *(ptrB + 0);
|
||||
float bG = *(ptrB + 1);
|
||||
float bR = *(ptrB + 2);
|
||||
|
||||
float layerDiff = layer - l0;
|
||||
float xlayerDiff = layerx - layer;
|
||||
float xxlayerDiff = layerxx - layer;
|
||||
float ylayerDiff = layery - layer;
|
||||
float yylayerDiff = layeryy - layer;
|
||||
// Interpolate between the two selected textures
|
||||
*(ptrO + 0) = (byte)Math.Floor(aB + layerDiff * (bB - aB) +
|
||||
xlayerDiff * (*ptrX - aB) +
|
||||
xxlayerDiff * (*(ptrXX) - aB) +
|
||||
ylayerDiff * (*ptrY - aB) +
|
||||
yylayerDiff * (*(ptrYY) - aB));
|
||||
*(ptrO + 1) = (byte)Math.Floor(aG + layerDiff * (bG - aG) +
|
||||
xlayerDiff * (*(ptrX + 1) - aG) +
|
||||
xxlayerDiff * (*(ptrXX + 1) - aG) +
|
||||
ylayerDiff * (*(ptrY + 1) - aG) +
|
||||
yylayerDiff * (*(ptrYY + 1) - aG));
|
||||
*(ptrO + 2) = (byte)Math.Floor(aR + layerDiff * (bR - aR) +
|
||||
xlayerDiff * (*(ptrX + 2) - aR) +
|
||||
xxlayerDiff * (*(ptrXX + 2) - aR) +
|
||||
ylayerDiff * (*(ptrY + 2) - aR) +
|
||||
yylayerDiff * (*(ptrYY + 2) - aR));
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
detailTexture[i].UnlockBits(datas[i]);
|
||||
detailTexture[i].Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
layermap = null;
|
||||
output.UnlockBits(outputData);
|
||||
|
||||
output.RotateFlip(RotateFlipType.Rotate270FlipNone);
|
||||
|
||||
#endregion Texture Compositing
|
||||
|
||||
return output;
|
||||
}
|
||||
|
||||
private static TextureDownloadCallback TextureDownloadCallback(Bitmap[] detailTexture, int i, AutoResetEvent textureDone)
|
||||
{
|
||||
return (state, assetTexture) =>
|
||||
{
|
||||
if (state == TextureRequestState.Finished && assetTexture != null && assetTexture.AssetData != null)
|
||||
{
|
||||
Image img;
|
||||
ManagedImage mi;
|
||||
OpenJPEG.DecodeToImage(assetTexture.AssetData, out mi, out img);
|
||||
detailTexture[i] = (Bitmap)img;
|
||||
}
|
||||
textureDone.Set();
|
||||
};
|
||||
}
|
||||
|
||||
public static Bitmap ResizeBitmap(Bitmap b, int nWidth, int nHeight)
|
||||
{
|
||||
Bitmap result = new Bitmap(nWidth, nHeight);
|
||||
using (Graphics g = Graphics.FromImage((Image)result))
|
||||
{
|
||||
g.DrawImage(b, 0, 0, nWidth, nHeight);
|
||||
}
|
||||
b.Dispose();
|
||||
return result;
|
||||
}
|
||||
|
||||
public static Bitmap TileBitmap(Bitmap b, int tiles)
|
||||
{
|
||||
Bitmap result = new Bitmap(b.Width * tiles, b.Width * tiles);
|
||||
using (Graphics g = Graphics.FromImage((Image)result))
|
||||
{
|
||||
for (int x = 0; x < tiles; x++)
|
||||
{
|
||||
for (int y = 0; y < tiles; y++)
|
||||
{
|
||||
g.DrawImage(b, x * 256, y * 256, x * 256 + 256, y * 256 + 256);
|
||||
}
|
||||
}
|
||||
}
|
||||
b.Dispose();
|
||||
return result;
|
||||
}
|
||||
|
||||
public static Bitmap SplatSimple(float[,] heightmap)
|
||||
{
|
||||
const float BASE_HSV_H = 93f / 360f;
|
||||
const float BASE_HSV_S = 44f / 100f;
|
||||
const float BASE_HSV_V = 34f / 100f;
|
||||
|
||||
Bitmap img = new Bitmap(256, 256);
|
||||
BitmapData bitmapData = img.LockBits(new Rectangle(0, 0, 256, 256), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
|
||||
|
||||
unsafe
|
||||
{
|
||||
for (int y = 255; y >= 0; y--)
|
||||
{
|
||||
for (int x = 0; x < 256; x++)
|
||||
{
|
||||
float normHeight = heightmap[x, y] / 255f;
|
||||
normHeight = Utils.Clamp(normHeight, BASE_HSV_V, 1.0f);
|
||||
|
||||
Color4 color = Color4.FromHSV(BASE_HSV_H, BASE_HSV_S, normHeight);
|
||||
|
||||
byte* ptr = (byte*)bitmapData.Scan0 + y * bitmapData.Stride + x * 3;
|
||||
*(ptr + 0) = (byte)(color.B * 255f);
|
||||
*(ptr + 1) = (byte)(color.G * 255f);
|
||||
*(ptr + 2) = (byte)(color.R * 255f);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
img.UnlockBits(bitmapData);
|
||||
return img;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
fileFormatVersion: 2
|
||||
guid: 9f2df0d52788f4b4eae3f038c28f1eb0
|
||||
MonoImporter:
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
@@ -0,0 +1 @@
|
||||
-unsafe
|
||||
@@ -0,0 +1,4 @@
|
||||
fileFormatVersion: 2
|
||||
guid: cc09cfd06e62d5e4186ebd0cd4083053
|
||||
DefaultImporter:
|
||||
userData:
|
||||
Reference in New Issue
Block a user