public IsoHDPerspective(ConfigurationNode configuration) {
name = configuration.getString("name", null);
if (name == null) {
Log.severe("Perspective definition missing name - must be defined and unique");
return;
}
azimuth =
configuration.getDouble("azimuth", 135.0); /* Get azimuth (default to classic kzed POV */
inclination = configuration.getDouble("inclination", 60.0);
if (inclination > MAX_INCLINATION) inclination = MAX_INCLINATION;
if (inclination < MIN_INCLINATION) inclination = MIN_INCLINATION;
scale = configuration.getDouble("scale", MIN_SCALE);
if (scale < MIN_SCALE) scale = MIN_SCALE;
if (scale > MAX_SCALE) scale = MAX_SCALE;
/* Get max and min height */
maxheight = configuration.getInteger("maximumheight", 127);
if (maxheight > 127) maxheight = 127;
minheight = configuration.getInteger("minimumheight", 0);
if (minheight < 0) minheight = 0;
/* Generate transform matrix for world-to-tile coordinate mapping */
/* First, need to fix basic coordinate mismatches before rotation - we want zero azimuth to have north to top
* (world -X -> tile +Y) and east to right (world -Z to tile +X), with height being up (world +Y -> tile +Z)
*/
Matrix3D transform = new Matrix3D(0.0, 0.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0);
/* Next, rotate world counterclockwise around Z axis by azumuth angle */
transform.rotateXY(180 - azimuth);
/* Next, rotate world by (90-inclination) degrees clockwise around +X axis */
transform.rotateYZ(90.0 - inclination);
/* Finally, shear along Z axis to normalize Z to be height above map plane */
transform.shearZ(0, Math.tan(Math.toRadians(90.0 - inclination)));
/* And scale Z to be same scale as world coordinates, and scale X and Y based on setting */
transform.scale(scale, scale, Math.sin(Math.toRadians(inclination)));
world_to_map = transform;
/* Now, generate map to world tranform, by doing opposite actions in reverse order */
transform = new Matrix3D();
transform.scale(1.0 / scale, 1.0 / scale, 1 / Math.sin(Math.toRadians(inclination)));
transform.shearZ(0, -Math.tan(Math.toRadians(90.0 - inclination)));
transform.rotateYZ(-(90.0 - inclination));
transform.rotateXY(-180 + azimuth);
Matrix3D coordswap = new Matrix3D(0.0, -1.0, 0.0, 0.0, 0.0, 1.0, -1.0, 0.0, 0.0);
transform.multiply(coordswap);
map_to_world = transform;
/* Scaled models for non-cube blocks */
modscale = (int) Math.ceil(scale);
scalemodels = HDBlockModels.getModelsForScale(modscale);
;
}
