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package de.gamezock.metacraft.data;
import java.util.List;
import java.util.Vector;
import javax.vecmath.Point3f;
public class Map {
private List<Triangle> triangleData;
private float[][] heightmap;
public Map() {
int width = 5;
int height = 5;
float[][] tileHeightmap = new float[width][height];
Tile[][] tiles = new Tile[width][height];
for(int i = 0; i < width; ++i) {
for(int j = 0; j < height; ++j) {
tileHeightmap[i][j] = ((i-2)*(i-2)+(j-2)*(j-2))*0.5f;
tiles[i][j] = new Tile(new TestTile());
}
}
createMapData(tiles, tileHeightmap);
}
private void createMapData(Tile[][] tiles, float[][] tileHeightmap) {
int tileSize = tiles[0][0].getData().getSize();
heightmap = new float[tiles.length * tileSize][tiles[0].length * tileSize];
for(int i = 0; i < tiles.length; ++i) {
for(int j = 0; j < tiles[i].length; ++j) {
float[][] localHeightmap = tiles[i][j].getData().getHeightmap();
for(int x = 0; x < tileSize; ++x) {
for(int y = 0; y < tileSize; ++y) {
heightmap[i*tileSize + x][j*tileSize + y] = tileHeightmap[i][j] + localHeightmap[x][y];
}
}
}
}
triangleData = new Vector<Triangle>();
for(int x = 0; x < heightmap.length-1; ++x) {
for(int y = 0; y < heightmap[x].length-1; ++y) {
float[] h = new float[4];
h[0] = heightmap[x][y];
h[1] = heightmap[x+1][y];
h[2] = heightmap[x+1][y+1];
h[3] = heightmap[x][y+1];
float center = (h[0] + h[1] + h[2] + h[3]) / 4;
for(int i = 0; i < 4; ++i) {
int i_1 = (i+1)%4;
int i_2 = (i+2)%4;
Point3f v1 = new Point3f(x + i_1/2, y + i/2, h[i]);
Point3f v2 = new Point3f(x+0.5f, y+0.5f, center);
Point3f v3 = new Point3f(x + i_2/2, y + i_1/2, h[i_1]);
triangleData.add(new Triangle(v1, v2, v3));
}
}
}
}
/*public Tile getTile(int x, int y) {
return tiles[x][y];
}
public float getTileHeight(int x, int y) {
return heightmap[x][y];
}*/
public int getWidth() {
return heightmap.length;
}
public int getHeight() {
return heightmap[0].length;
}
/*public int getTileSize() {
return tileSize;
}*/
public List<Triangle> getTriangleData() {
return triangleData;
}
}
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