1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
/*
* Copyright (c) 2009-2010 jMonkeyEngine
* 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 'jMonkeyEngine' 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 OWNER 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.
*/
package jme3test.terrain;
import com.jme3.app.SimpleApplication;
import com.jme3.bounding.BoundingBox;
import com.jme3.font.BitmapText;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.light.DirectionalLight;
import com.jme3.light.PointLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Spatial;
import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.geomipmap.TerrainQuad;
import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator;
import com.jme3.terrain.heightmap.AbstractHeightMap;
import com.jme3.terrain.heightmap.ImageBasedHeightMap;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture.WrapMode;
import com.jme3.util.SkyFactory;
import com.jme3.scene.Node;
import com.jme3.scene.debug.Arrow;
/**
* Uses the terrain's lighting texture with normal maps and lights.
*
* @author bowens
*/
public class TerrainTestAdvanced extends SimpleApplication {
private TerrainQuad terrain;
Material matTerrain;
Material matWire;
boolean wireframe = false;
boolean triPlanar = false;
boolean wardiso = false;
boolean minnaert = false;
protected BitmapText hintText;
PointLight pl;
Geometry lightMdl;
private float grassScale = 64;
private float dirtScale = 16;
private float rockScale = 128;
public static void main(String[] args) {
TerrainTestAdvanced app = new TerrainTestAdvanced();
app.start();
}
@Override
public void initialize() {
super.initialize();
loadHintText();
}
@Override
public void simpleInitApp() {
setupKeys();
// First, we load up our textures and the heightmap texture for the terrain
// TERRAIN TEXTURE material
matTerrain = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
matTerrain.setBoolean("useTriPlanarMapping", false);
matTerrain.setFloat("Shininess", 0.0f);
// ALPHA map (for splat textures)
matTerrain.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alpha1.png"));
matTerrain.setTexture("AlphaMap_1", assetManager.loadTexture("Textures/Terrain/splat/alpha2.png"));
// HEIGHTMAP image (for the terrain heightmap)
Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
// GRASS texture
Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
//matTerrain.setTexture("DiffuseMap_1", grass);
//matTerrain.setFloat("DiffuseMap_1_scale", grassScale);
// DIRT texture
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
matTerrain.setTexture("DiffuseMap", dirt);
matTerrain.setFloat("DiffuseMap_0_scale", dirtScale);
// ROCK texture
Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
rock.setWrap(WrapMode.Repeat);
//matTerrain.setTexture("DiffuseMap_2", rock);
//matTerrain.setFloat("DiffuseMap_2_scale", rockScale);
// BRICK texture
Texture brick = assetManager.loadTexture("Textures/Terrain/BrickWall/BrickWall.jpg");
brick.setWrap(WrapMode.Repeat);
//matTerrain.setTexture("DiffuseMap_3", brick);
//matTerrain.setFloat("DiffuseMap_3_scale", rockScale);
// RIVER ROCK texture
Texture riverRock = assetManager.loadTexture("Textures/Terrain/Pond/Pond.jpg");
riverRock.setWrap(WrapMode.Repeat);
//matTerrain.setTexture("DiffuseMap_4", riverRock);
//matTerrain.setFloat("DiffuseMap_4_scale", rockScale);
Texture normalMap0 = assetManager.loadTexture("Textures/Terrain/splat/grass_normal.jpg");
normalMap0.setWrap(WrapMode.Repeat);
Texture normalMap1 = assetManager.loadTexture("Textures/Terrain/splat/dirt_normal.png");
normalMap1.setWrap(WrapMode.Repeat);
Texture normalMap2 = assetManager.loadTexture("Textures/Terrain/splat/road_normal.png");
normalMap2.setWrap(WrapMode.Repeat);
matTerrain.setTexture("NormalMap", normalMap0);
//matTerrain.setTexture("NormalMap_1", normalMap2);
//matTerrain.setTexture("NormalMap_2", normalMap2);
//matTerrain.setTexture("NormalMap_4", normalMap2);
// WIREFRAME material
matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
matWire.getAdditionalRenderState().setWireframe(true);
matWire.setColor("Color", ColorRGBA.Green);
//createSky();
// CREATE HEIGHTMAP
AbstractHeightMap heightmap = null;
try {
heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 0.5f);
heightmap.load();
heightmap.smooth(0.9f, 1);
} catch (Exception e) {
e.printStackTrace();
}
/*
* Here we create the actual terrain. The tiles will be 65x65, and the total size of the
* terrain will be 513x513. It uses the heightmap we created to generate the height values.
*/
/**
* Optimal terrain patch size is 65 (64x64).
* The total size is up to you. At 1025 it ran fine for me (200+FPS), however at
* size=2049, it got really slow. But that is a jump from 2 million to 8 million triangles...
*/
terrain = new TerrainQuad("terrain", 65, 513, heightmap.getHeightMap());//, new LodPerspectiveCalculatorFactory(getCamera(), 4)); // add this in to see it use entropy for LOD calculations
TerrainLodControl control = new TerrainLodControl(terrain, getCamera());
control.setLodCalculator( new DistanceLodCalculator(65, 2.7f) ); // patch size, and a multiplier
terrain.addControl(control);
terrain.setMaterial(matTerrain);
terrain.setModelBound(new BoundingBox());
terrain.updateModelBound();
terrain.setLocalTranslation(0, -100, 0);
terrain.setLocalScale(1f, 1f, 1f);
rootNode.attachChild(terrain);
Material debugMat = assetManager.loadMaterial("Common/Materials/VertexColor.j3m");
//terrain.generateDebugTangents(debugMat);
DirectionalLight light = new DirectionalLight();
light.setDirection((new Vector3f(-0.5f, -0.5f, -0.5f)).normalize());
rootNode.addLight(light);
cam.setLocation(new Vector3f(0, 10, -10));
cam.lookAtDirection(new Vector3f(0, -1.5f, -1).normalizeLocal(), Vector3f.UNIT_Y);
flyCam.setMoveSpeed(400);
rootNode.attachChild(createAxisMarker(20));
}
public void loadHintText() {
hintText = new BitmapText(guiFont, false);
hintText.setSize(guiFont.getCharSet().getRenderedSize());
hintText.setLocalTranslation(0, getCamera().getHeight(), 0);
hintText.setText("Hit T to switch to wireframe, P to switch to tri-planar texturing");
guiNode.attachChild(hintText);
}
private void setupKeys() {
flyCam.setMoveSpeed(50);
inputManager.addMapping("wireframe", new KeyTrigger(KeyInput.KEY_T));
inputManager.addListener(actionListener, "wireframe");
inputManager.addMapping("triPlanar", new KeyTrigger(KeyInput.KEY_P));
inputManager.addListener(actionListener, "triPlanar");
inputManager.addMapping("WardIso", new KeyTrigger(KeyInput.KEY_9));
inputManager.addListener(actionListener, "WardIso");
inputManager.addMapping("Minnaert", new KeyTrigger(KeyInput.KEY_0));
inputManager.addListener(actionListener, "Minnaert");
}
private ActionListener actionListener = new ActionListener() {
public void onAction(String name, boolean pressed, float tpf) {
if (name.equals("wireframe") && !pressed) {
wireframe = !wireframe;
if (!wireframe) {
terrain.setMaterial(matWire);
} else {
terrain.setMaterial(matTerrain);
}
} else if (name.equals("triPlanar") && !pressed) {
triPlanar = !triPlanar;
if (triPlanar) {
matTerrain.setBoolean("useTriPlanarMapping", true);
// planar textures don't use the mesh's texture coordinates but real world coordinates,
// so we need to convert these texture coordinate scales into real world scales so it looks
// the same when we switch to/from tr-planar mode
matTerrain.setFloat("DiffuseMap_0_scale", 1f / (float) (512f / grassScale));
matTerrain.setFloat("DiffuseMap_1_scale", 1f / (float) (512f / dirtScale));
matTerrain.setFloat("DiffuseMap_2_scale", 1f / (float) (512f / rockScale));
matTerrain.setFloat("DiffuseMap_3_scale", 1f / (float) (512f / rockScale));
matTerrain.setFloat("DiffuseMap_4_scale", 1f / (float) (512f / rockScale));
} else {
matTerrain.setBoolean("useTriPlanarMapping", false);
matTerrain.setFloat("DiffuseMap_0_scale", grassScale);
matTerrain.setFloat("DiffuseMap_1_scale", dirtScale);
matTerrain.setFloat("DiffuseMap_2_scale", rockScale);
matTerrain.setFloat("DiffuseMap_3_scale", rockScale);
matTerrain.setFloat("DiffuseMap_4_scale", rockScale);
}
}
}
};
private void createSky() {
Texture west = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_west.jpg");
Texture east = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_east.jpg");
Texture north = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_north.jpg");
Texture south = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_south.jpg");
Texture up = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_up.jpg");
Texture down = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_down.jpg");
Spatial sky = SkyFactory.createSky(assetManager, west, east, north, south, up, down);
rootNode.attachChild(sky);
}
protected Node createAxisMarker(float arrowSize) {
Material redMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
redMat.getAdditionalRenderState().setWireframe(true);
redMat.setColor("Color", ColorRGBA.Red);
Material greenMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
greenMat.getAdditionalRenderState().setWireframe(true);
greenMat.setColor("Color", ColorRGBA.Green);
Material blueMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
blueMat.getAdditionalRenderState().setWireframe(true);
blueMat.setColor("Color", ColorRGBA.Blue);
Node axis = new Node();
// create arrows
Geometry arrowX = new Geometry("arrowX", new Arrow(new Vector3f(arrowSize, 0, 0)));
arrowX.setMaterial(redMat);
Geometry arrowY = new Geometry("arrowY", new Arrow(new Vector3f(0, arrowSize, 0)));
arrowY.setMaterial(greenMat);
Geometry arrowZ = new Geometry("arrowZ", new Arrow(new Vector3f(0, 0, arrowSize)));
arrowZ.setMaterial(blueMat);
axis.attachChild(arrowX);
axis.attachChild(arrowY);
axis.attachChild(arrowZ);
//axis.setModelBound(new BoundingBox());
return axis;
}
}
|
