private void resetHeight(Terrain terrain, List<Vector2f> undoLocs, List<Float> undoHeights) {
List<Float> neg = new ArrayList<Float>();
for (Float f : undoHeights) neg.add(f * -1f);
terrain.adjustHeight(undoLocs, neg);
((Node) terrain).updateModelBound();
}
public static BufferedImage terrainGetTexture(
Terrain terrain, int width, int height, String map) {
MatParam matParam = terrain.getMaterial().getParam(map);
if (matParam == null) {
return null;
}
Texture tex = (Texture) matParam.getValue();
if (tex == null) {
return null;
}
Image i = tex.getImage();
if (i == null) {
return null;
}
return scaleImage(ImageToAwt.convert(i, true, true, 0), width, height);
}
private void modifyHeight(
Terrain terrain, Vector3f worldLoc, float radius, float height, Meshes mesh) {
int radiusStepsX = (int) (radius / ((Node) terrain).getLocalScale().x);
int radiusStepsZ = (int) (radius / ((Node) terrain).getLocalScale().z);
float xStepAmount = ((Node) terrain).getLocalScale().x;
float zStepAmount = ((Node) terrain).getLocalScale().z;
List<Vector2f> locs = new ArrayList<Vector2f>();
List<Float> heights = new ArrayList<Float>();
for (int z = -radiusStepsZ; z < radiusStepsZ; z++) {
for (int x = -radiusStepsX; x < radiusStepsX; x++) {
float locX = worldLoc.x + (x * xStepAmount);
float locZ = worldLoc.z + (z * zStepAmount);
// see if it is in the radius of the tool
if (ToolUtils.isInMesh(locX - worldLoc.x, locZ - worldLoc.z, radius, mesh)) {
Vector2f terrainLoc = new Vector2f(locX, locZ);
// adjust height based on radius of the tool
float center = terrain.getHeightmapHeight(terrainLoc);
float left = terrain.getHeightmapHeight(new Vector2f(terrainLoc.x - 1, terrainLoc.y));
float right = terrain.getHeightmapHeight(new Vector2f(terrainLoc.x + 1, terrainLoc.y));
float up = terrain.getHeightmapHeight(new Vector2f(terrainLoc.x, terrainLoc.y + 1));
float down = terrain.getHeightmapHeight(new Vector2f(terrainLoc.x, terrainLoc.y - 1));
int count = 1;
float amount = center;
if (!isNaN(left)) {
amount += left;
count++;
}
if (!isNaN(right)) {
amount += right;
count++;
}
if (!isNaN(up)) {
amount += up;
count++;
}
if (!isNaN(down)) {
amount += down;
count++;
}
amount /= count; // take average
// weigh it
float diff = amount - center;
diff *= height;
locs.add(terrainLoc);
heights.add(diff);
}
}
}
undoLocs = locs;
undoHeights = heights;
// do the actual height adjustment
terrain.adjustHeight(locs, heights);
((Node) terrain).updateModelBound(); // or else we won't collide with it where we just edited
}