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package ch.asynk.tankontank.engine;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.math.GridPoint2;
import ch.asynk.tankontank.engine.gfx.TextureDrawable;
import ch.asynk.tankontank.engine.gfx.animations.AnimationSequence;
import ch.asynk.tankontank.engine.gfx.animations.RunnableAnimation;
public class MapNode extends TextureDrawable implements Map
{
private Layer layer;
private Map.Config cfg;
private int cols;
private int rows;
private Tile[][] board;
public MapNode(Map.Config cfg, Tile[][] board, Texture texture)
{
super(texture);
this.cfg = cfg;
this.board = board;
this.cols = cfg.cols - 1;
this.rows = cfg.rows - 1;
}
@Override
public void setLayer(Layer layer)
{
this.layer = layer;
}
@Override
public void clear()
{
dispose();
}
@Override
public void act(float delta)
{
}
@Override
public Pawn getTopPawnAt(GridPoint2 cell)
{
return getTopPawnAt(cell.x, cell.y);
}
private Pawn getTopPawnAt(int col, int row)
{
return board[row][col].getTop();
}
private int pushPawnAt(Pawn pawn, int col, int row)
{
return board[row][col].push(pawn);
}
private void removePawnFrom(Pawn pawn, int col, int row)
{
board[row][col].remove(pawn);
}
@Override
public Vector2 getHexCenterAt(GridPoint2 cell)
{
float x = cfg.x0 + ((cell.x * cfg.w) + (cfg.w / 2));
float y = cfg.y0 + ((cell.y * cfg.h) + (cfg.s / 2));
if ((cell.y % 2) == 1) x += cfg.dw;
return new Vector2(x, y);
}
@Override
public Vector2 getPawnPosAt(Pawn pawn, GridPoint2 cell)
{
return getPawnPosAt(pawn, cell.x, cell.y);
}
private Vector2 getPawnPosAt(Pawn pawn, int col, int row)
{
float x = cfg.x0 + ((col * cfg.w) + ((cfg.w - pawn.getHeight()) / 2));
float y = cfg.y0 + ((row * cfg.h) + ((cfg.s - pawn.getWidth()) / 2));
if ((row % 2) == 1) x += cfg.dw;
return new Vector2(x, y);
}
@Override
public void movePawnTo(Pawn pawn, Vector3 coords)
{
GridPoint2 p = getHexAt(null, coords.x, coords.y);
movePawnTo(pawn, p.x, p.y, Pawn.Orientation.KEEP);
}
@Override
public void setPawnAt(final Pawn pawn, final int col, final int row, Pawn.Orientation o)
{
int z = pushPawnAt(pawn, col, row);
Vector2 pos = getPawnPosAt(pawn, col, row);
pawn.pushMove(pos.x, pos.y, z, o);
}
@Override
public void movePawnTo(final Pawn pawn, final int col, final int row, Pawn.Orientation o)
{
GridPoint2 prev = getHexAt(pawn.getLastPosition());
removePawnFrom(pawn, prev.x, prev.y);
if ((col < 0) || (row < 0)) {
AnimationSequence seq = pawn.getResetMovesAnimation();
seq.addAnimation(RunnableAnimation.get(new Runnable() {
@Override
public void run() {
GridPoint2 hex = getHexAt(pawn.getLastPosition());
pushPawnAt(pawn, hex.x, hex.y);
}
}));
layer.addAnimation(seq);
} else {
int z = pushPawnAt(pawn, col, row);
Vector2 pos = getPawnPosAt(pawn, col, row);
pawn.pushMove(pos.x, pos.y, z, o);
}
}
private GridPoint2 getHexAt(Vector3 v)
{
if (v == null) return null;
return getHexAt(null, v.x, v.y);
}
@Override
public GridPoint2 getHexAt(GridPoint2 hex, float cx, float cy)
{
if (hex == null) hex = new GridPoint2();
// compute row
int row;
boolean oddRow = true;
float y = (cy - cfg.y0);
if (y < 0.f) {
row = -1;
} else {
row = (int) (y / cfg.h);
oddRow = ((row % 2) == 1);
}
// compute col
int col;
float x = (cx - cfg.x0);
if (oddRow) x -= cfg.dw;
if (x < 0.f) {
col = -1;
} else {
col = (int) (x / cfg.w);
}
// check upper boundaries
float dy = (y - (row * cfg.h));
if (dy > cfg.s) {
dy -= cfg.s;
float dx = (x - (col * cfg.w));
if (dx < cfg.dw) {
if ((dx * cfg.slope) < dy) {
row += 1;
if (!oddRow) col -= 1;
oddRow = !oddRow;
}
} else {
if (((cfg.w - dx) * cfg.slope) < dy) {
row += 1;
if (oddRow) col += 1;
oddRow = !oddRow;
}
}
}
// validate hex
if ((col < 0) || (row < 0) || (row > rows) || (col > cols) || (oddRow && ((col +1)> cols)))
hex.set(-1, -1);
else
hex.set(col, row);
return hex;
}
}
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