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-rw-r--r--core/src/ch/asynk/tankontank/engine/PossiblePaths.java156
1 files changed, 80 insertions, 76 deletions
diff --git a/core/src/ch/asynk/tankontank/engine/PossiblePaths.java b/core/src/ch/asynk/tankontank/engine/PossiblePaths.java
index 1afa36d..da104f7 100644
--- a/core/src/ch/asynk/tankontank/engine/PossiblePaths.java
+++ b/core/src/ch/asynk/tankontank/engine/PossiblePaths.java
@@ -12,16 +12,38 @@ import com.badlogic.gdx.math.Vector3;
public class PossiblePaths implements Iterable<Vector3>
{
+ public class Path
+ {
+ public int cost;
+ public boolean roadMarch;
+ public ArrayList<Tile> tiles;
+
+ public Path(int size)
+ {
+ this.cost = -1;
+ this.roadMarch = true;
+ this.tiles = new ArrayList<Tile>(size);
+ }
+
+ public void clear()
+ {
+ this.cost = -1;
+ this.roadMarch = true;
+ this.tiles.clear();
+ }
+ }
+
private final Board board;
public Pawn pawn;
public Tile from;
public Tile to;
+ public int distance;
public Orientation orientation;
private List<Tile> stack;
private List<Tile> ctrlTiles;
- private List<ArrayList<Tile>> paths;
- private List<ArrayList<Tile>> filteredPaths;
+ private List<Path> paths;
+ private List<Path> filteredPaths;
private HashSet<Tile> tiles;
public PossiblePaths(Board board, int tSize, int stSize, int ftSize, int vectSize)
@@ -30,8 +52,8 @@ public class PossiblePaths implements Iterable<Vector3>
this.tiles = new LinkedHashSet<Tile>(tSize);
this.stack = new ArrayList<Tile>(stSize);
this.ctrlTiles = new ArrayList<Tile>(ftSize);
- this.paths = new LinkedList<ArrayList<Tile>>();
- this.filteredPaths = new LinkedList<ArrayList<Tile>>();
+ this.paths = new LinkedList<Path>();
+ this.filteredPaths = new LinkedList<Path>();
this.to = null;
this.pawn = null;
this.orientation = Orientation.KEEP;
@@ -55,15 +77,16 @@ public class PossiblePaths implements Iterable<Vector3>
public void clear()
{
- for (List<Tile> tiles : this.paths) tiles.clear();
- for (List<Tile> tiles : this.filteredPaths) tiles.clear();
+ this.to = null;
+ this.distance = -1;
+ this.orientation = Orientation.KEEP;
+ for (Path path : this.paths) path.clear();
+ for (Path path : this.filteredPaths) path.clear();
+ this.tiles.clear();
this.stack.clear();
- this.paths.clear();
this.ctrlTiles.clear();
+ this.paths.clear();
this.filteredPaths.clear();
- this.tiles.clear();
- this.to = null;
- this.orientation = Orientation.KEEP;
}
public int size()
@@ -89,14 +112,14 @@ public class PossiblePaths implements Iterable<Vector3>
clear();
this.to = to;
// from and to are not part of the path
- if (board.distance(from, to) < 2) {
- ArrayList<Tile> temp = new ArrayList<Tile>(0);
- // temp.add(from);
- // temp.add(to);
- paths.add(temp);
- for (Tile tile : temp) tiles.add(tile);
+ this.distance = board.distance(from, to);
+ if (distance < 2) {
+ Orientation o = Orientation.fromMove(to.col, to.row, from.col, from.row);
+ Path path = new Path(0);
+ path.roadMarch = to.road(o);
+ path.cost = to.costFrom(pawn, o);
+ paths.add(path);
} else {
- // stack.add(from);
findAllPaths(from, pawn.getMovementPoints(), true);
}
@@ -114,22 +137,25 @@ public class PossiblePaths implements Iterable<Vector3>
Tile next = moves[i];
if ((next == null) || next.isOffMap()) continue;
- int cost = next.costFrom(pawn, board.getSide(i));
- int r = (mvtLeft - cost);
- boolean road = roadMarch & next.road(board.getSide(i));
- if (road) r += pawn.getRoadMarchBonus();
+ Orientation o = board.getSide(i);
+ int m = (mvtLeft - next.costFrom(pawn, o));
+ boolean r = roadMarch & next.road(o);
- if ((board.distance(next, to) <= r)) {
+ int l = (m + (r ? pawn.getRoadMarchBonus() : 0));
+
+ if ((board.distance(next, to) <= l)) {
if (next == to) {
- ArrayList<Tile> temp = new ArrayList<Tile>(stack.size() + 1);
- for (Tile t: stack)
- temp.add(t);
- // temp.add(next);
- paths.add(temp);
- for (Tile tile : temp) tiles.add(tile);
+ Path path = new Path(stack.size() + 1);
+ for (Tile t: stack) {
+ path.tiles.add(t);
+ tiles.add(t);
+ }
+ path.roadMarch = r;
+ path.cost = (pawn.getMovementPoints() - m);
+ paths.add(path);
} else {
stack.add(next);
- findAllPaths(next, (mvtLeft - cost), road);
+ findAllPaths(next, m, r);
stack.remove(stack.size() - 1);
}
}
@@ -151,22 +177,22 @@ public class PossiblePaths implements Iterable<Vector3>
tiles.clear();
filteredPaths.clear();
- for (ArrayList<Tile> path : paths) {
+ for (Path path : paths) {
int ok = 0;
for (Tile filter : ctrlTiles) {
- if (path.contains(filter))
+ if (path.tiles.contains(filter))
ok += 1;
}
if (ok == s) {
- if (path.size() == (s + 0)) { // from and to are not part of the path
+ if (path.tiles.size() == (s + 0)) { // from and to are not part of the path
filteredPaths.clear();
filteredPaths.add(path);
tiles.clear();
- for (Tile tile : path) tiles.add(tile);
+ for (Tile tile : path.tiles) tiles.add(tile);
break;
} else {
filteredPaths.add(path);
- for (Tile tile : path) tiles.add(tile);
+ for (Tile tile : path.tiles) tiles.add(tile);
}
}
}
@@ -180,61 +206,39 @@ public class PossiblePaths implements Iterable<Vector3>
pawn.movement.from = from;
pawn.movement.to = to;
pawn.movement.orientation = orientation;
- pathCost(i);
+ Path path = paths.get(i);
+ pawn.movement.cost = path.cost;
+ pawn.movement.distance = this.distance;
+ pawn.movement.roadMarch = path.roadMarch;
}
public int pathCost(int i)
{
- int cost = 0;
- boolean roadMarch = true;
- Tile prev = from;
-
- pawn.movement.distance = board.distance(from, to);
-
- if (pawn.movement.distance > 0) {
- for (Tile next : paths.get(i)) {
- Orientation o = Orientation.fromMove(next.col, next.row, prev.col, prev.row);
- cost += next.costFrom(pawn, o);
- roadMarch &= next.road(o);
- prev = next;
- }
- Orientation o = Orientation.fromMove(to.col, to.row, prev.col, prev.row);
- cost += to.costFrom(pawn, o);
-
- if (roadMarch)
- cost -= pawn.getRoadMarchBonus();
- if (cost < 1)
- cost = 1;
- }
-
- pawn.movement.cost = cost;
- pawn.movement.roadMarch = roadMarch;
-
- return cost;
- }
-
- public void setExit(Orientation exit)
- {
- List<Tile> path = getPath(0);
- Tile exitTile = board.getAdjTileAt(to, exit);
- path.add(to);
- to = exitTile;
+ return paths.get(i).cost;
}
- public List<Tile> getPath(int i)
+ public Path getPath(int i)
{
if (ctrlTiles.size() == 0)
return paths.get(i);
return filteredPaths.get(i);
}
+ public void setExit(Orientation exit)
+ {
+ Path path = getPath(0);
+ path.cost += 1;
+ path.tiles.add(to);
+ to = board.getAdjTileAt(to, exit);
+ }
+
public int pathSteps(int idx)
{
int steps = 0;
Tile tile = from;
Orientation o = pawn.getOrientation();
- for (Tile next : getPath(idx)) {
+ for (Tile next : getPath(idx).tiles) {
Orientation nextO = Orientation.fromMove(tile.col, tile.row, next.col, next.row);
if (nextO != o) {
steps += 2;
@@ -254,15 +258,15 @@ public class PossiblePaths implements Iterable<Vector3>
@Override
public Iterator<Vector3> iterator()
{
- return new Vector3Iterator(pawn, from, to, orientation, getPath(0));
+ return new Vector3Iterator(pawn, from, to, orientation, getPath(0).tiles);
}
- private void printToErr(String what, List<ArrayList<Tile>> paths)
+ private void printToErr(String what, List<Path> paths)
{
System.err.println(what + " ("+paths.size()+") " + from + " -> " + to);
- for (ArrayList<Tile> path : paths) {
- System.err.println(" - path (" + path.size() +")");
- for(Tile tile : path)
+ for (Path path : paths) {
+ System.err.println(String.format(" - path (l:%d c:%d r:%b)", path.tiles.size(), path.cost, path.roadMarch));
+ for(Tile tile : path.tiles)
System.err.println(" " + tile.toString());
}
System.err.println();