Matrix based game: path finding
Hi,
I'm writing a simple PacMan clone, in which the monsters form some kind of neural network. When a monster spots PacMan, it sends PacMan's coordinates to the other monsters, which then move to that location. When there is no target set, the monsters alway return to their home base, where the current location of PacMan is alway available.
Anyway, I want to let the monsters move the shortest path from their current location to the target location. Suppose I have the following simple map (matrix bases):
1,1,1,1,1,1,1,1,1,1
1,0,0,0,0,0,0,0,0,1
1,0,1,1,1,0,1,1,B,1
1,0,1,0,0,0,0,1,*,1
1,0,1,1,1,1,*,*,*,1
1,*,*,*,1,0,*,1,0,1
1,A,1,*,*,*,*,1,0,1
1,0,1,1,0,1,1,1,0,1
1,0,0,0,0,0,0,0,0,1
1,1,1,1,1,1,1,1,1,1
The path (drawn by *) is the shortest path from A to B. Which algorithm should be used to solve this problem? How should it be implemented?
Thanks,
Jeroen
Treat your matrix as a graph and use a shortest path
algorithm such as dijkstra's algorithm.I looked it up, and i really liked that algorithm.
good thing you came along, because I needed to do a little pathfinding of my one for a game.
and jeroen, I hope you remember all those lessons from programming 2C.
they could come in handy now. ;)
robert.
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Solution: A-Star Path Finding Algorithm (games)
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Path Finder in a 2D Grid Map With Different Terrain Types
I have been thinking for a while on path finding game algoritms and I can up with one idea witch I want to publish. The goal of my project is when I have a 2 dimensional grid map where squares can have different movement cost, like in Civilization II, to find the shortest way from one point in the map to another. I've used the Breathed First Search Engine. If you are not familiar to this search engine it is better to read about it first because I am not fcusing on it and I assume that you now how it works. You can read about it at the book "Practical Artificial Intelligence Programming in Java" writen by Mark Watson, witch is freely distributed at www.markwatson.com.
Actually the idea of this 2D grid path finder is to use a third dimension witch have a size equal to the highest movement cost among all terrain types. This helps solving the problem with the different movement cost of the squates. By adding this abstract third dimension it is posible to use the Breadth First Search Engine.
I this example the movementcost of a terrain type is always the same, no matter from witch square to with are you going (like in Civilization II but I haven't included roads or railroads). For example if you want to go from one square A to another square B with movement cost X (A and B are attached) you must go "up stairs" in the third dimension X - 1 times and then move to square B. But when you step on square B you are again at the lowest floor. So if you want to come back to the previous square A and it have movement cost Y first you must go floor Y and then jump in square A. And now you are again at the lowest floor at square A. When you move from one square to another you go always at the lowest floor. This is the way I handle with different movement costs.
When you find the path to the goal point it is in 3 dimensions. So you must just project it in the 2D map and that's all you have the shortest path.
I am sure this is not the best way to code this search engine but this is just the first scratch with no optimisation and so on. If I make a 100x100 randomly generated map it takes on my configuration(400Mhz Pentium II CPU with ASUS P2B MotherBoard on 100 MHz and 256 MB SD RAM on 133 MHz but because of my MB on 100MHz) around 1000 miliseconds (1000 miliseconds = 1 second) to find the shortest path from (1, 1) to (100, 100) witch is pretty good compare to the goTo function in Civilization II witch does not finds the shortest path at all and have made hundrets of gamers angry. This is amazing that nowadays there are so many games with bad path finding.
This project includes:
1. The PathFinder class witch does the jub.
2. The Map class witch has a generator for a random map in it.
3. The class TerrainType, every square on the map is based on this class.
4. The class TerrainTypes witch is the set of all terrain types used in the map.
5. The class PathFinderTest witch just test the path finder.
To test this project put all files in one directory and run PathFinderTest.java.
Map.java:
import java.util.Vector;
import java.util.Random;
//This class just creates a random map and keeps it. I will not comment on this.
class Map {
//here is kept the information about the terrain types placed in the map. Where
//every terrain type has a specific movement cost.
private int[][] terrain;
public TerrainTypes terrainTypes;
private int landMass;
private int width;
private int height;
private int highestMovementCost;
public Map(int aWidth, int aHeight) {
width = aWidth;
height = aHeight;
terrainTypes = new TerrainTypes();
highestMovementCost = terrainTypes.getHighestMovementCost();
terrain = new int[width][height];
landMass = 0;
generateRandomMap();
public void clearGoalAndStartLocFromWater(int sx, int sy, int gx, int gy) {
terrain[gx][gy] = 0;
terrain[sx][sy] = 0;
private void expandWater() {
int waterConstant = 40;
int waterExpansion = 2;
int[][] moreWater = new int[width][height];
Random randomizer = new Random();
for (int t = 0; waterExpansion > t; t++) {
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
if (i + 1 >= 0 && j >= 0 && i + 1 < width && j < height) {
if (terrain[i + 1][j] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i + 1][j] = 1;
if (i + 1 >= 0 && j - 1 >= 0 && i + 1 < width && j - 1 < height) {
if (terrain[i + 1][j - 1] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i + 1][j - 1] = 1;
if (i >= 0 && j - 1 >= 0 && i < width && j - 1 < height) {
if (terrain[i][j - 1] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i][j - 1] = 1;
if (i - 1 >= 0 && j - 1 >= 0 && i - 1 < width && j - 1 < height) {
if (terrain[i - 1][j - 1] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i - 1][j - 1] = 1;
if (i - 1 >= 0 && j >= 0 && i - 1 < width && j < height) {
if (terrain[i - 1][j] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i - 1][j] = 1;
if (i - 1 >= 0 && j + 1 >= 0 && i - 1 < width && j + 1 < height) {
if (terrain[i - 1][j + 1] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i - 1][j + 1] = 1;
if (i >= 0 && j + 1 >= 0 && i < width && j + 1 < height) {
if (terrain[i][j + 1] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i][j + 1] = 1;
if (i + 1 >= 0 && j + 1 >= 0 && i + 1 < width && j + 1 < height) {
if (terrain[i + 1][j + 1] != 4) {
if (randomizer.nextInt(waterConstant) == 0)
moreWater[i + 1][j + 1] = 1;
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
if (moreWater[i][j] == 1) {
terrain[i][j] = 4;
private void generateRandomMap() {
Random randomizer = new Random();
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
if (randomizer.nextInt(3) == 1)
terrain[i][j] = 0;
else if (randomizer.nextInt(2) == 1)
terrain[i][j] = 1;
else if (randomizer.nextInt(2) == 1)
terrain[i][j] = 3;
else if (randomizer.nextInt(2) == 1)
terrain[i][j] = 2;
else if (randomizer.nextInt(2) == 1)
terrain[i][j] = 2;
else if (randomizer.nextInt(2) == 1)
terrain[i][j] = 1;
else if (randomizer.nextInt(2) == 1)
terrain[i][j] = 3;
else
terrain[i][j] = randomizer.nextInt(5);
expandWater();
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
if (terrain[i][j] != 0)
landMass++;
public int getMapHeight() {
return height;
public int getMapWidth() {
return width;
public int getSquareID(int x, int y) {
return terrain[x][y];
public int getSquareMovementCost(int x, int y) {
return terrainTypes.getMovementCost(terrain[x][y]);
}PathFinder.java:
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Vector;
public class PathFinder {
private BufferedReader consoleReader = new BufferedReader(new InputStreamReader(System.in));
//The array t3D[][] represents the 2D square map where t3D.leght = map width
//and t3D[x].lenght = map width (-1 < x < t3D.leght). The third dimension
//is refered to the square's movement cost, witch is definite by terrain.
//The fourth dimension will be with lenght = 3. When running the search engine
//(expanding the explored squares) this 3 values will keep the position of
//the previous square in 3 dimension, witch are width, height and the maximum
//movement cost among all squares.
private int[][][][] squares3DReference;
//Keeps information witch squares are visited.
private boolean[][][] visitedSquares;
private Map map;
//this is the queue used in the Breathed First Seatch.
private Vector queue3D;
//Here is saved the shortest path
private Vector path2D;
private int highestMovementCost;
public PathFinder(Map aMap) {
map = aMap;
queue3D = new Vector();
path2D = new Vector();
squares3DReference = new int[map.getMapWidth()][map.getMapHeight()][][];
visitedSquares = new boolean[map.getMapWidth()][map.getMapHeight()][];
highestMovementCost = map.terrainTypes.getHighestMovementCost();
buildAbstract3DTerrain();
private void buildAbstract3DTerrain() {
for (int x = 0; x < map.getMapWidth(); x++) {
for (int y = 0; y <map.getMapHeight(); y++) {
int movementCost = map.terrainTypes.getMovementCost(map.getSquareID(x, y));
if ( movementCost > 0) {
visitedSquares[x][y] = new boolean[highestMovementCost];
squares3DReference[x][y] = new int[highestMovementCost][3];
for (int z = 0; z < highestMovementCost; z++) {
for (int t = 0; t < 3; t++) {
squares3DReference[x][y][z][t] = -1;
private boolean isMoveValid(int x, int y, int z, int x2, int y2, int z2) {
if ( x < 0 || y < 0 || z < 0 || x2 < 0 || y2 < 0 || z2 < 0 || x >= map.getMapWidth() || y >= map.getMapHeight() || z >= highestMovementCost || x2 >= map.getMapWidth() || y2 >= map.getMapHeight() || z2 >= highestMovementCost)
return false;
if (map.terrainTypes.getMovementCost(map.getSquareID(x2, y2)) < 1)
return false;
if (visitedSquares[x2][y2][z2])
return false;
if (x == x2 && y == y2)
return true;
else {
if (z == map.terrainTypes.getMovementCost(map.getSquareID(x2, y2)) - 1)
return true;
else
return false;
private void clearPreviousSearchData() {
queue3D.clear();
path2D.clear();
for (int x = 0; x < map.getMapWidth(); x++) {
for (int y = 0; y < map.getMapHeight(); y++) {
if (squares3DReference[x][y] != null) {
for (int z = 0; z < highestMovementCost; z++) {
visitedSquares[x][y][z] = false;
for (int t = 0; t < 3; t++) {
squares3DReference[x][y][z][t] = -1;
private Vector copyPath2D() {
Vector path = new Vector();
for (int i = 0; i < path2D.size(); i++) {
path.add(path2D.get(i));
return path;
public Vector findPath(int sX, int sY, int gX, int gY) {
int head = 0;
int tail = 0;
int x = sX;
int y = sY;
int z = 0;
visitedSquares[x][y][z] = true;
mainLoop: {
while (tail <= head) {
int[][] moves = getPosibleMoves(x, y, z);
for (int i = 0; i < 9; i++) {
if (moves[i] != null) {
squares3DReference[moves[0]][moves[i][1]][moves[i][2]][0] = x;
squares3DReference[moves[i][0]][moves[i][1]][moves[i][2]][1] = y;
squares3DReference[moves[i][0]][moves[i][1]][moves[i][2]][2] = z;
queue3D.add(moves[i]);
if (moves[i][0] == gX && moves[i][1] == gY) {
break mainLoop;
visitedSquares[moves[i][0]][moves[i][1]][moves[i][2]] = true;
head++;
if (queue3D.size() == 0 || queue3D.size() == tail)
break mainLoop;
int[] nextInQueue = ((int[]) queue3D.get(tail));
x = nextInQueue[0];
y = nextInQueue[1];
z = nextInQueue[2];
tail++;
if (squares3DReference[gX][gY][0][0] == -1) {
clearPreviousSearchData();
return path2D;
fillpath2D(sX, sY, gX, gY);
Vector path = copyPath2D();
clearPreviousSearchData();
return path;
private int[][] getPosibleMoves(int x, int y, int z) {
int[][] moves = new int[9][3];
if (isMoveValid(x, y, z, x + 1, y, 0)) {
moves[0][0] = x + 1;
moves[0][1] = y;
moves[0][2] = 0;
else
moves[0] = null;
if (isMoveValid(x, y, z, x + 1, y - 1, 0)) {
moves[1][0] = x + 1;
moves[1][1] = y - 1;
moves[1][2] = 0;
else
moves[1] = null;
if (isMoveValid(x, y, z, x, y - 1, 0)) {
moves[2][0] = x;
moves[2][1] = y - 1;
moves[2][2] = 0;
else
moves[2] = null;
if (isMoveValid(x, y, z, x - 1, y - 1, 0)) {
moves[3][0] = x - 1;
moves[3][1] = y - 1;
moves[3][2] = 0;
else
moves[3] = null;
if (isMoveValid(x, y, z, x - 1, y, 0)) {
moves[4][0] = x - 1;
moves[4][1] = y;
moves[4][2] = 0;
else
moves[4] = null;
if (isMoveValid(x, y, z, x - 1, y + 1, 0)) {
moves[5][0] = x - 1;
moves[5][1] = y + 1;
moves[5][2] = 0;
else
moves[5] = null;
if (isMoveValid(x, y, z, x, y + 1, 0)) {
moves[6][0] = x;
moves[6][1] = y + 1;
moves[6][2] = 0;
else
moves[6] = null;
if (isMoveValid(x, y, z, x + 1, y + 1, 0)) {
moves[7][0] = x + 1;
moves[7][1] = y + 1;
moves[7][2] = 0;
else
moves[7] = null;
if (isMoveValid(x, y, z, x, y, z + 1)) {
moves[8][0] = x;
moves[8][1] = y;
moves[8][2] = z + 1;
else
moves[8] = null;
return moves;
private void fillpath2D(int sX, int sY, int gX, int gY) {
int[] gLoc = {gX, gY};
path2D.add(gLoc);
int x = gX;
int y = gY;
int z = 0;
while (x != sX || y != sY) {
int x2 = squares3DReference[x][y][z][0];
int y2 = squares3DReference[x][y][z][1];
int z2 = squares3DReference[x][y][z][2];
x = x2;
y = y2;
z = z2;
if (z == 0) {
int[] loc = {x, y};
path2D.insertElementAt(loc, 0);
PathFinderTest.java
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Vector;
public class PathFinderTest {
static BufferedReader consoleReader = new BufferedReader(new InputStreamReader(System.in));
static Map map;
static int startX;
static int startY;
static int goalX;
static int goalY;
public static void main(String[] args) throws Exception {
System.out.print("Enter map size.\nx = ");
int width = Integer.parseInt(consoleReader.readLine());
System.out.print("y = ");
int height = Integer.parseInt(consoleReader.readLine());
System.out.print("Enter strting location.\nx = ");
startX = Integer.parseInt(consoleReader.readLine()) - 1;
System.out.print("y = ");
startY = Integer.parseInt(consoleReader.readLine()) - 1;
System.out.print("Enter goal location.\nx = ");
goalX = Integer.parseInt(consoleReader.readLine()) - 1;
System.out.print("y = ");
goalY = Integer.parseInt(consoleReader.readLine()) - 1;
if (goalX < 0 || goalY < 0 || startX < 0 || startY < 0 || goalX >= width || goalY >= height || startX >= width || startY >= height) {
System.out.println("Invalid parameters found. Program will exit");
System.exit(0);
map = new Map(width, height);
map.clearGoalAndStartLocFromWater(startX, startY, goalX, goalY);
printSolution(new Vector());
PathFinder pathFinder = new PathFinder(map);
long before = System.currentTimeMillis();
Vector path = pathFinder.findPath(startX, startY, goalX, goalY);
long after = System.currentTimeMillis();
long time = after - before;
printSolution(path);
if (path.size() == 0)
System.out.println("No path found.");
else
System.out.println("Path found.");
System.out.println("Finding the path took " + time + " milliseconds");
static void printSolution(Vector path) {
boolean[][] pathOnMap = new boolean[map.getMapWidth()][map.getMapHeight()];
for (int i = 0; path.size() > i; i++) {
int[] move = (int[]) path.get(i);
pathOnMap[move[0]][move[1]] = true;
for (int y = 0; y < map.getMapHeight(); y++) {
for (int x = 0; x < map.getMapWidth(); x++) {
System.out.print(" ");
if (pathOnMap[x][y] == false)
System.out.print(" ");
else
System.out.print("0");
if (x == startX && y == startY)
System.out.print("S");
else if (x == goalX && y == goalY)
System.out.print("G");
else
System.out.print(map.terrainTypes.getNameFirstLetter(map.getSquareID(x, y)));
System.out.println();
System.out.println();
}TerrainType.java:
public class TerrainType {
private int movementCost;
private String name;
TerrainType(int aMovementCost, String aName) {
movementCost = aMovementCost;
name = aName;
public int getMovementCost() {
return movementCost;
public String getName() {
return name;
public String getNameFirstLetter() {
return name.substring(0, 1).toUpperCase();
}TerrainTypes.java:
import java.util.Vector;
public class TerrainTypes {
//Here are saved the terrain types with the map has. ElementAt 'i' in
//setOfTypes is represented by the number in Map.terrain[x][y] witch is
//equal to i, were x, y are random integer as soon as they do not
//throw ArrayIndexOutOfBoundsException. Actually this is a coding to know
//a specific square in the map to witch terrain type is refered in setOfTypes.
private Vector setOfTypes;
public TerrainTypes() {
setOfTypes = new Vector();
setOfTypes.add(new TerrainType(1, "Plains"));
setOfTypes.add(new TerrainType(2, "Forst"));
setOfTypes.add(new TerrainType(3, "Jungle"));
setOfTypes.add(new TerrainType(4, "Mountain"));
setOfTypes.add(new TerrainType(-1, "X"));
public int getMovementCost(int i) {
return ((TerrainType) setOfTypes.get(i)).getMovementCost();
public String getName(int i) {
return ((TerrainType) setOfTypes.get(i)).getName();
public String getNameFirstLetter(int i) {
return ((TerrainType) setOfTypes.get(i)).getNameFirstLetter();
public int getHighestMovementCost() {
int max = 1;
for (int i = 0; setOfTypes.size() > i; i++) {
int movementCost = ((TerrainType) setOfTypes.get(i)).getMovementCost();
if ( movementCost > 0) {
if (max < movementCost)
max = movementCost;
return max;
}I hope this program will be helpful.
SogartarWhy is such a smart guy like you not using A*
It is a general known algorithm which will find the
optimal solution in a finite search-space (within a minimal time).
The calculation time for the A* algorithm is influenced by two parameters:
1 - cumulative cost
2 - minimal expected additional cost
The calculation of these two costs has a great influence on the
solution.
I think the actual problems most games experience with shortest path calculatoin are
1 - very little time to spent calculating the shortest path
The quickest solution might be the best for the game
If your solution takes 1 second for the calculation of a path for one element on the board (100x100)
What would it take for the game to calculate the path for all elements controlled by the computer ??
If the computer controls two players which each have 50 elements to control, it would take forever...
Don't even consider the usage of a larger board (200x200 would take 4 seconds/element when
algorithm has complexity O(n))
2 - low priority.
Users tend to forgive a bad shortest path-algorithm most of the time,
but not a bad display, bad pictures,...
This is why most shortest-path algorithms within games were
developed as a depth first search,
within some earlier games this was even developed as
a rule which went straight to the endlocation and
takes a right/left turn when blocked by water/wall/...
So the actual steps you should take are:
1 - develop a normal breath-first search (to get going)
2 - develop a normal depth-first search (to compare speed and solution with)
3 - develop a normal dijkstra algorithm (sometimes called A)
4 - develop a best first algorithm (called A*)
5 - develop other AI-algorithms building upon A* (tabu-search, limited memory A*,...)
6 - develop some other AI-algorithms (Genetic Algorithms, Simulated Annealing,...)
7 - compare and tweak/change all search-algorithms for
7 - a - size of maps (small versus huge)
7 - b - optimality of the solution
7 - c - actual usage for your game
8 - !!! very important !!!
Share the developed path algorithms along with remarks about speed, map-size,...
with the rest of us. I would be very interested in such library.
kind regards, -
Floyds Algorithm for path finding
I'm currently trying to figure out which path finding algorithm to use in my game. It seems most people prefer A* and I don't quite get it.
I must be missing something because as I see it Floyds Algorithm is superior in many respects.
1) You are guaranteed to get an optimal rout.
2) It's all precomputed, so you just have to look up the rout in a matrix.
What am I missing ?
KimA* is guaranteed to find the shortest path, as long as the function you use for the heuristic is an underestimate of the actual distance. For example, say you have a square grid where some tiles are blocked by obstacles while others aren't; then you can use the Euclidean distance (sqrt(deltaX^2 + deltaY^2)) between two tiles as your heuristic, since real paths will be as long as that, and A* will find the shortest path. Even if you use an overestimate for a heuristic, A* will find some path if a path exists; it will find it faster in fact, but it won't necessarily be the best path. Often people use overestimates on purpose in practice because this saves a lot of time and still finds pretty good paths.
Floyd's algorithm has a worse running-time than A* because A* can get "hints" of which direction to go towards while Floyd's essentially checks all possibilities. It's true that you can use it to obtain the all-pairs shortest-paths matrix however, in which case it is certainly faster than using A* on every pair of points to find the path between them (since the heuristic only gives distance to one goal). The problem is that in most games the world changes at run-time however - for example someone builds a building or chops down a tree, or someone blocks a door, or there are people in the AI object's way. Also, sometimes you try to find the path that is not shortest but also "safest" in some way - increase costs of tiles where you've seen a lot of enemy activity for example in order to avoid them, and this information changes at runtime. Recalculating the all-pairs shortest-paths matrix gets expensive then, especially in the case of moving obstacles like human players. If you have a game where the obstacles are fixed however and the map size isn't so big that an N^3 algorithm (Floyd) wouldn't do it, then do precalculate the paths. -
Hello everyone!
Help me please!
Have you ever played games like Baldur's gate or Diablo or classic adventure games (like Monkey island)?
What I'm saying is:
I'm trying to implement a way to move my character, on a 2D space, to the point I clicked on.
If there is no obstacle between the start and the finish points, I can make it work pretty easily (I just let the charachter walk the straight line connecting the points).
The problem is when I introduce obstacles.
I'm trying to implement the A* algorithm for the path finding process.
Since the character and the obstacles lay on a 2D plane not divided into tiles or any sort of sub-division, it is quite hard to calculate a path.
What I thought of doing is:
when I click on a destination point, I create a 2D grid surrounding the character, at its actual position, and the destination point.
The intersections between the horizontal and the vertical lines of this grid, will be the possible nodes of the path to the destination. (I hope it's clear).
The A* will calculate the best path among these nodes, considering whether a node is reachable (i.e. not overlapping an obstacle) or not.
I still haven't implemented it, so it's just an idea, and I don't even know if it works!
Is it possible there is no other way of doing that?
How do the games I mentioned above work?
My problem is finding a way to determine the possible nodes (2D points on the 2D plane) for the A* algorithm to work on.
Please help, I'm stuck.
Any suggestion?
Thank you!
P.S: If you need me to make it more clear, I'll give it a try!So far as I've tested it they haven't gotten stuck.
The best way I can think of to do it is with the Line2D.Double class.
- I draw a line between me and the enemy
- create two lines that are equal to that first line
- rotate the first line, from the enemy, to the left
- rotate the first line, from the enemy, to the right
- if both still intersect the obstacle, I rotate the two again
- if one of them no longer intersects the obstacle, that new line becomes my path
Once the clear path is found, I can use the endpoint of that line as the destination, rather than saying that MY coordinates are the destination. It takes a lot of math figuring so it gets messy written out, but in words it's very clean :)
For simplicity you could try:
- if he hits an obstacle do the following:
- draw a line between the entity and the center of the obstacle
- if you're on the left side of that line, make him turn left 90 degrees
- if you're on the right side, turn right 90 degrees
Based on how you're creating your obstacles you could think further how you want to do it, like tell them to move in that direction a set distance, that sort of thing.
Or you could give them set paths to follow, that's another solution, and just have them be able to aim at you freely to fire, provided that's how they attack. -
Every time I launch a Source - based game, it crashes on startup. This happens with both "Team fortress 2" and "Tactical intervention". This began to happen recently (they used to work fine), but as I recall I've just installed Crossover... can anyone help me?
The bug report from "Tactical intervention" follows:
Process: tacint_osx [3304]
Path: /Users/USER/Library/Application Support/Steam/*/tacint_osx
Identifier: tacint_osx
Version: ???
Code Type: X86 (Native)
Parent Process: bash [3301]
User ID: 501
Date/Time: 2013-08-30 13:44:00.342 +0200
OS Version: Mac OS X 10.8.4 (12E55)
Report Version: 10
Interval Since Last Report: 120536 sec
Crashes Since Last Report: 2
Per-App Crashes Since Last Report: 2
Anonymous UUID: A8FD5912-2699-8EB1-69E9-9CE46F77DF51
Crashed Thread: 0 MainThrd Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000
VM Regions Near 0:
--> __PAGEZERO 0000000000000000-0000000000001000 [ 4K] ---/--- SM=NUL /Users/USER/Library/Application Support/Steam/*
__TEXT 0000000000001000-0000000000002000 [ 4K] r-x/rwx SM=COW /Users/USER/Library/Application Support/Steam/*
Thread 0 Crashed:: MainThrd Dispatch queue: com.apple.main-thread
0 engine.dylib 0x09a3ee7f Sys_Error_Internal(bool, char const*, char*) + 383
1 engine.dylib 0x09a3eee3 Sys_Error(char const*, ...) + 35
2 engine.dylib 0x09e56a3d CEngineConsoleLoggingListener::Log(LoggingContext_t const*, char const*) + 749
3 libtier0.dylib 0x0003928b CLoggingSystem::LogDirect(int, LoggingSeverity_t, Color, char const*) + 235
4 libtier0.dylib 0x00038dfc Error + 236
5 client.dylib 0x1923f9d6 BaseModUI::TIMainMenuContainer::Resp_Login(fixapi2::eFixLoginResult, int, int) + 118
6 launcher.dylib 0x005413d9 fixapi2_impl::CFixClientAPI::CommonPacket_Login(fixapi2_impl::CFixClientSocket* , fixapi2_impl::CFixClientPacket*) + 521
7 launcher.dylib 0x00536a57 fixapi2_impl::CFixClientAPI::Do_ReadPacket(fixapi2::IFixPacket*) + 423
8 launcher.dylib 0x00539e31 fixapi2_impl::CFixClientAPI::Do_MainFrame() + 833
9 client.dylib 0x18d3819c IGameSystem::UpdateAllSystems(float) + 108
10 client.dylib 0x18e99bb2 CHLClient::HudUpdate(bool) + 130
11 engine.dylib 0x09bd98e6 ClientDLL_Update() + 54
12 engine.dylib 0x09d29e92 _Host_RunFrame(float) + 2722
13 engine.dylib 0x09d45819 CHostState::State_Run(float) + 281
14 engine.dylib 0x09d46400 CHostState::FrameUpdate(float) + 592
15 engine.dylib 0x09d464c5 HostState_Frame(float) + 37
16 engine.dylib 0x09e5c246 CEngine::Frame() + 710
17 engine.dylib 0x09e59556 CEngineAPI::MainLoop() + 214
18 engine.dylib 0x09e5973a CModAppSystemGroup::Main() + 234
19 engine.dylib 0x09ebf7b8 CAppSystemGroup::Run() + 88
20 engine.dylib 0x09e59ecd CEngineAPI::RunListenServer() + 125
21 launcher.dylib 0x005199c8 CAppSystemGroup::Run() + 88
22 launcher.dylib 0x005199c8 CAppSystemGroup::Run() + 88
23 launcher.dylib 0x00521a92 MainFunctionThread(void*) + 82
24 launcher.dylib 0x005220bc ValveCocoaMain + 140
25 launcher.dylib 0x0050f441 LauncherMain + 897
26 tacint_osx 0x00001d26 start + 54
Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x930a39ae kevent + 10
1 libdispatch.dylib 0x96f13c71 _dispatch_mgr_invoke + 993
2 libdispatch.dylib 0x96f137a9 _dispatch_mgr_thread + 53
Thread 2:
0 libsystem_kernel.dylib 0x930a30ee __workq_kernreturn + 10
1 libsystem_c.dylib 0x972660ac _pthread_workq_return + 45
2 libsystem_c.dylib 0x97265e79 _pthread_wqthread + 448
3 libsystem_c.dylib 0x9724dd2a start_wqthread + 30
Thread 3:
0 libsystem_kernel.dylib 0x930a30ee __workq_kernreturn + 10
1 libsystem_c.dylib 0x972660ac _pthread_workq_return + 45
2 libsystem_c.dylib 0x97265e79 _pthread_wqthread + 448
3 libsystem_c.dylib 0x9724dd2a start_wqthread + 30
Thread 4:: IOPollingHelperThread
0 libsystem_kernel.dylib 0x930a39ae kevent + 10
1 steamclient.dylib 0x060889c5 OSXHelpers::CIOPollingHelper::RealRun() + 249
2 libtier0_s.dylib 0x00704f3d CatchAndWriteContext_t::Invoke() + 159
3 libtier0_s.dylib 0x00704ac8 CatchAndWriteMiniDumpExForVoidPtrFn + 86
4 libtier0_s.dylib 0x00704af2 CatchAndWriteMiniDumpForVoidPtrFn + 37
5 steamclient.dylib 0x060888bb OSXHelpers::CIOPollingHelper::Run() + 41
6 libtier0_s.dylib 0x00709314 SteamThreadTools::CThread::ThreadExceptionWrapper(void*) + 16
7 libtier0_s.dylib 0x00704f3d CatchAndWriteContext_t::Invoke() + 159
8 libtier0_s.dylib 0x00704ac8 CatchAndWriteMiniDumpExForVoidPtrFn + 86
9 libtier0_s.dylib 0x00704af2 CatchAndWriteMiniDumpForVoidPtrFn + 37
10 libtier0_s.dylib 0x0070928c SteamThreadTools::CThread::ThreadProc(void*) + 196
11 libsystem_c.dylib 0x972635b7 _pthread_start + 344
12 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 5:
0 libsystem_kernel.dylib 0x930a30ee __workq_kernreturn + 10
1 libsystem_c.dylib 0x972660ac _pthread_workq_return + 45
2 libsystem_c.dylib 0x97265e79 _pthread_wqthread + 448
3 libsystem_c.dylib 0x9724dd2a start_wqthread + 30
Thread 6:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 7:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 8:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 9:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 10:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 11:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 12:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 13:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 14:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 15:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 16:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 libvstdlib.dylib 0x00092857 CJobThread::Run() + 295
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 17:: AQClient
0 libsystem_kernel.dylib 0x930a07d2 mach_msg_trap + 10
1 libsystem_kernel.dylib 0x9309fcb0 mach_msg + 68
2 com.apple.CoreFoundation 0x9472af79 __CFRunLoopServiceMachPort + 185
3 com.apple.CoreFoundation 0x9473095f __CFRunLoopRun + 1247
4 com.apple.CoreFoundation 0x9473001a CFRunLoopRunSpecific + 378
5 com.apple.CoreFoundation 0x9472fe8b CFRunLoopRunInMode + 123
6 com.apple.audio.toolbox.AudioToolbox 0x90096a81 GenericRunLoopThread::Entry(void*) + 209
7 com.apple.audio.toolbox.AudioToolbox 0x900969ac CAPThread::Entry(CAPThread*) + 196
8 libsystem_c.dylib 0x972635b7 _pthread_start + 344
9 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 18:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee0e0 pthread_cond_timedwait$UNIX2003 + 70
3 libtier0.dylib 0x00049733 CThreadSyncObject::Wait(unsigned int) + 307
4 libtier0.dylib 0x000497c8 CThreadEvent::Wait(unsigned int) + 24
5 engine.dylib 0x09db1029 CQueuedPacketSender::Run() + 121
6 libtier0.dylib 0x0004acc4 CThread::ThreadProc(void*) + 212
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 19:
0 libsystem_kernel.dylib 0x930a28e2 __psynch_cvwait + 10
1 libsystem_c.dylib 0x97268280 _pthread_cond_wait + 833
2 libsystem_c.dylib 0x972ee095 pthread_cond_wait$UNIX2003 + 71
3 com.apple.audio.toolbox.AudioToolbox 0x900a69c1 CAGuard::Wait() + 113
4 com.apple.audio.toolbox.AudioToolbox 0x900a5619 AQConverterManager::AQConverterThread::Run() + 271
5 com.apple.audio.toolbox.AudioToolbox 0x900a54a2 AQConverterManager::AQConverterThread::ConverterThreadEntry(void*) + 22
6 com.apple.audio.toolbox.AudioToolbox 0x900969ac CAPThread::Entry(CAPThread*) + 196
7 libsystem_c.dylib 0x972635b7 _pthread_start + 344
8 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 20:: com.apple.audio.IOThread.client
0 libsystem_kernel.dylib 0x930a07d2 mach_msg_trap + 10
1 libsystem_kernel.dylib 0x9309fcb0 mach_msg + 68
2 com.apple.audio.CoreAudio 0x96c6eeba HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned long, unsigned long, mach_msg_header_t*, bool, unsigned int) + 138
3 com.apple.audio.CoreAudio 0x96c6952e HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 70
4 com.apple.audio.CoreAudio 0x96c67bcd HALC_ProxyIOContext::IOWorkLoop() + 1287
5 com.apple.audio.CoreAudio 0x96c67617 HALC_ProxyIOContext::IOThreadEntry(void*) + 145
6 com.apple.audio.CoreAudio 0x96c71b61 ___ZN19HALC_ProxyIOContextC2Emj_block_invoke_0 + 20
7 com.apple.audio.CoreAudio 0x96c6753d HALB_IOThread::Entry(void*) + 71
8 libsystem_c.dylib 0x972635b7 _pthread_start + 344
9 libsystem_c.dylib 0x9724dd4e thread_start + 34
Thread 21:
0 libsystem_kernel.dylib 0x930a30ee __workq_kernreturn + 10
1 libsystem_c.dylib 0x972660ac _pthread_workq_return + 45
2 libsystem_c.dylib 0x97265e79 _pthread_wqthread + 448
3 libsystem_c.dylib 0x9724dd2a start_wqthread + 30
Thread 0 crashed with X86 Thread State (32-bit):
eax: 0xdeadbeef ebx: 0x09a3ed17 ecx: 0xbfffdb84 edx: 0x00002500
edi: 0xaca3b174 esi: 0xbfffdbfc ebp: 0xbfffe018 esp: 0xbfffdbd0
ss: 0x00000023 efl: 0x00210282 eip: 0x09a3ee7f cs: 0x0000001b
ds: 0x00000023 es: 0x00000023 fs: 0x00000000 gs: 0x0000000f
cr2: 0x00000000
Logical CPU: 2
Binary Images:
0x1000 - 0x1fff +tacint_osx (???) <61864F59-8A71-C466-4887-AC7CCB0C9B9D> /Users/USER/Library/Application Support/Steam/*/tacint_osx
0x4000 - 0x1dff3 +gameoverlayrenderer.dylib (1) <C6AD9D84-0A5D-3598-9C2D-81FF881D168A> /Applications/Steam.app/Contents/MacOS/osx32/gameoverlayrenderer.dylib
0x34000 - 0x34ffb +steamloader.dylib (0) <04FED4D9-EA7B-3389-8885-307D47EC1AF1> /Applications/Steam.app/Contents/MacOS/osx32/steamloader.dylib
0x37000 - 0x58ff3 +libtier0.dylib (1) <BD2C9B41-54BD-8C53-640F-6351B707BA58> /Users/USER/Library/Application Support/Steam/*/libtier0.dylib
0x73000 - 0xbaff7 +libvstdlib.dylib (1) <B56FA152-7E46-2B14-7485-C8C2AAFA642D> /Users/USER/Library/Application Support/Steam/*/libvstdlib.dylib
0x274000 - 0x279ff7 +libsteam_api.dylib (1) <0F0B01B6-ECB2-3F57-8911-197F6ED26E75> /Users/USER/Library/Application Support/Steam/*/libsteam_api.dylib
0x2e3000 - 0x2eafff +com.googlecode.google-breakpad (1.0) <52A4C312-E82C-3FD2-AD6B-71E07E934FA9> /Applications/Steam.app/Contents/MacOS/Frameworks/Breakpad.framework/Versions/A /Breakpad
0x500000 - 0x5b1ff7 +launcher.dylib (1) <64725D45-057F-E805-DA12-7063086B5E38> /Users/USER/Library/Application Support/Steam/*/launcher.dylib
0x700000 - 0x714ff3 +libtier0_s.dylib (1) <AC4B93C4-802E-3E63-9E48-7280B9AC66EA> /Applications/Steam.app/Contents/MacOS/osx32/libtier0_s.dylib
0x732000 - 0x751ffb +libvstdlib_s.dylib (1) <94C6E88E-0EAB-379B-B79C-A506A2F4158A> /Applications/Steam.app/Contents/MacOS/osx32/libvstdlib_s.dylib
0x77a000 - 0x7a5ff7 com.apple.audio.OpenAL (1.6 - 1.6) <CDE1BC7D-871D-3BE7-A6DE-96F6806BB7E1> /System/Library/Frameworks/OpenAL.framework/Versions/A/OpenAL
0x7b5000 - 0x7c0fff +crashhandler.dylib (1) <4C339284-0393-32BE-9D3B-CE01C33C09EE> /Applications/Steam.app/Contents/MacOS/osx32/crashhandler.dylib
0x7d7000 - 0x7e6fff +breakpadUtilities.dylib (1) <705ACFD7-8CF0-3AB6-9F66-AF306AF3286F> /Applications/Steam.app/Contents/MacOS/Frameworks/Breakpad.framework/Versions/A /Resources/breakpadUtilities.dylib
0x7ef000 - 0x7f4fff com.apple.audio.AppleHDAHALPlugIn (2.3.7 - 2.3.7fc4) <903097A8-3922-3BF8-8B82-8BD1D831F6E7> /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bun dle/Contents/MacOS/AppleHDAHALPlugIn
0x14e1000 - 0x14eeff3 com.apple.Librarian (1.1 - 1) <68F8F983-5F16-3BA5-BDA7-1A5451CC02BB> /System/Library/PrivateFrameworks/Librarian.framework/Versions/A/Librarian
0x2400000 - 0x24a8fff +filesystem_stdio.dylib (1) <35589B63-D93F-A355-B940-E450EB840B19> /Users/USER/Library/Application Support/Steam/*/filesystem_stdio.dylib
0x253f000 - 0x256efe3 +inputsystem.dylib (1) <C99B6AFC-9FB8-1DE2-1E48-ADEB2F7DB867> /Users/USER/Library/Application Support/Steam/*/inputsystem.dylib
0x27a8000 - 0x27abffd com.apple.ForceFeedback (1.0.6 - 1.0.6) <0DF7BE00-63E3-3A7B-8427-32EB741FE6C9> /System/Library/Frameworks/ForceFeedback.framework/Versions/A/ForceFeedback
0x27b0000 - 0x27e3fef +valve_avi.dylib (1) <E10D4C35-E92A-B1F3-0CCC-57E0E3E70EA2> /Users/USER/Library/Application Support/Steam/*/valve_avi.dylib
0x3c00000 - 0x3e8cff7 +libsteam.dylib (1) <489E1F11-B16B-31AB-A7A8-7730CAE82AD7> /Applications/Steam.app/Contents/MacOS/osx32/libsteam.dylib
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0x98136000 - 0x98153ff7 libresolv.9.dylib (51) <B974Hi, never played them or had Steam, but it appears to be something about the Login as far as I can tell, but not sure of course.
Hopefully my reply brings your query to the top again & we get more help here. -
Grand Total For Matrix Based Report
Hi All,
I have a matrix based report with Fields like Country ,Amount and MonthYear
So report looks like below the columns get generated dynamically :
Country Oct 2013 Nov 2013 Dec 2013
India 25,000 25,000 25,000
England 22,000 25,000 30,000
Total 57,000 50,000 55,000
So this works perfectly fine . So next step was to get difference between the months like below :
Country Oct 2013 Nov 2013 Dec 2013 Oct-Nov 2013 Nov - Dec 2013
India 25,000 25,000 25,000 0
0
England 22,000 25,000 30,000 -3000
-5000
Total 57,000 50,000 55,000
Simon_Hou Provided me a custom code for dynamically find the difference between months . Now only requirement left is the sum of the dynamically generated month difference column . As the columns are generated based on a custom code it's not allowing me
to do a sum on it.
Desired Output
Country Oct 2013 Nov 2013 Dec 2013 Oct-Nov 2013 Nov - Dec 2013
India 25,000 25,000 25,000 0
0
England 22,000 25,000 30,000 -3000
-5000
Total 57,000 50,000 55,000 -3000
-5000
Can any one please advice me how to do sum for the dynamically generated custom code column .
Code is below it might help some1 else(Simon_Hou)
Private queueLength As Integer = 2
Private queueSum As Double = 0
Private queueFull As Boolean = False
Private idChange As String=""
Dim queue As New System.Collections.Generic.Queue(Of Integer)
Public Function CumulativeQueue(ByVal currentValue As Integer,id As String) As Object
Dim removedValue As Double = 0
If idChange <> id then
ClearQueue()
idChange = id
queueSum = 0
queueFull = False
CumulativeQueue(currentValue,id)
Else
If queue.Count >= queueLength Then
removedValue = queue.Dequeue()
End If
queueSum += currentValue
queueSum -= removedValue
queue.Enqueue(currentValue)
If queue.Count < queueLength Then
Return Nothing
ElseIf queue.Count = queueLength And queueFull = False Then
queueFull = True
Return (queueSum-currentValue-currentValue)
Else
Return (queueSum-currentValue-currentValue)
End If
End If
End Function
public function ClearQueue()
Dim i as Integer
Dim n as Integer = Queue.Count-1
for i=n To 0 Step-1
queue.Dequeue()
next i
End function
Thanks in Advance
PriyaHi Priya,
According to your description, you want to add a total row at bottom of the matrix. This total row should display the both sum of amount every month and the sum of the difference between months. Right?
Since we have tried the custom code in another similar thread you have posted before (Difference
Between the grouped column) and it works properly. In this scenario, we just need to use the sum function and put it as a variable when calling the custom function in custom code, then we will get the total difference between months. This
case has been tested in our local environment (In this sample, we used the same sample data as the last thread you posted before).Here are steps and screenshots for your reference:
1. Add a row out side of group. Put the expressions into corresponding cells.
2. Save and preview. The result looks like below:
If you have any question, please feel free to ask.
Best Regards,
Simon Hou -
Hello everyone,
I am currently developing a web-based game website using
Coldfusion 8 and MS SQL.
Until recentely, things have been going well. But I am now
stuck on a small issue of using an in-game skill system.
The way it works (or will work) is that your in-game
character will have a large library of skills to choose from, all
of which are accessible throughout the entire game. By choosing a
skill, your character will begin learning it over a set amount of
time (the time required for that specific skill). Your character
will, over time, generate it's own library of learnt skills - each
benefiting him or her within the game.
I hope this is all clear so far :)
So my small (but actually quite large) issue is that I'm not
sure how to go about storing this list of learnt skills.
My first instinct was to create a column within the
"characters" table in which the learnt skills would be stored as a
list, and then drawn out when actually listed on a page. But I have
heard that using lists within database tables isn't such a good
idea, and I would generally prefer another way around the issue.
My next idea was to create a table listing all of the
available skills as columns (a kind of library of every in-game
skill), then the characters would have a single row in that table
in which they have a "yes" or "no" under each skill column. These
yes or no answers would then be used to generate the library of
skills that character has. But this idea is very messy and I don't
even know how I could use this table in an SQL query...
I'd really like a simple and powerful solution for this
issue/problem, and I would be highly appreciative of anyone that
could help me!
Thanks in advance,
Aiden"Thanks a lot for your reply anyway :) and I'm sorry it
wasn't of use
to me."
Actually Dan was guiding you down the correct database
normalization
path. What you have is a classic many-to-many join. You have
many
character records and many skill records and you want to join
them such
that a character can have 0-N skills (zero to infinity) and a
skill can
be used by 0-N players.
This is done with three tables. A character table with the
basic
details of a character and a skills table with the details of
the skills
and a joining table that connects the two. At a minimum the
join tables
simple consists of two fields, a foreign key field to the
characters
table and a foreign key field to the skills table. Thus for
each skill
a character has there will be one record connecting the two
id's
together. This joining table can easily be expanded to have
other data
about the character-skill join such as when it started, what
level the
character has reached in the skill, whatever else your system
needs.
An simple Example:
Character Table
ID Name
1 Joe
2 Sam
3 George
Skill Table
ID Name
1 Hunting
2 Cooking
3 Archery
Character_Skill Join Table
CharID SkillID
1 1
1 3
2 2
3 1
3 2
3 3
Thus with basic SQL join syntax we can synthesize the data
that Joe can
hunt and shoot arrows, Sam can cook and George can do it all.
HTH
Ian -
Hi all.
I found some open source code which implements the A Star algorithm to achieve path finding for the purpose of navigating something in a game (although it could really be used for anything). Problem is, I can't get it to work. I've e-mailed the author but no reply yet so I was hoping someone could shed some light on my situation.
The code is meant to find a path on a 2 dimensional grid filled with obstacles using the following methods:
PathFinder star = new PathFinder(grid);
Path p = star.findShortest(startRow,startCol,goalRow,goalCol);
I've made a simple Test class with a small 2D array but when I compile the code I recieve the error:
Incompatible types.
Found: int.
Required: Test.Path
on Path p = star.findShortest(1,1,2,2);
I don't understand this error at all. The findShortest method takes 4 integers and I'm passing it 4 integers! Any ideas what this error means?
Here's my Test class:
import java.util.*;
import javax.swing.plaf.basic.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.swing.filechooser.*;
import java.util.Random;
public class Test
public static void main(String args[])
Test test = new Test();
test.run();
public final static class Path
/** 2 for down, 0 is up, 1 is right and 3 is left */
public int giveMove() {
if (size() < 2)
return -1;
Position last = (Position)positions.get(size() - 1);
Position forlast = (Position)positions.get(size() - 2);
if (forlast.col - last.col == 1)
return 2; //down
else if (forlast.col - last.col == -1)
return 0; //up
else if (forlast.row - last.row == 1)
return 1;//right
else if (forlast.row - last.row == -1)
return 3; //left
return -1;
/** list of positions */
public List positions;
public int getCost() { return positions.size() - 1; }
public int size() { return positions.size(); }
public void add(Object o) { positions.add(o); }
/** add (r,c) to the path */
public void add(int r, int c) {
positions.add(new Position(r,c));
/** get first position */
public Position head() { return (Position) positions.get(0); }
public Path(ArrayList positions) { this.positions = positions; }
public Path(Position initial) {
positions = new ArrayList(1);
positions.add(initial);
public Path(int cap) { positions = new ArrayList(cap); }
public void set(Position front, Path old) {
positions.add(front);
Iterator i = old.positions.iterator();
while (i.hasNext())
positions.add(i.next());
/** position on the grid */
public static final class Position
public int row, col;
public Position(int row, int col) {
this.row = row; this.col = col;
public void run()
System.out.println("Test");
PathFinder star = new PathFinder(grid);
for(int counter = 0; counter < grid.length; counter++)
for (int j=0; j < grid[counter].length; j++)
grid[counter][j] = 0;
Path p = star.findShortest(1, 1, 2, 2);
private static int[][] grid = new int[2][2];
} Here's the PathFinder class I downloaded:
import java.util.*;
import javax.swing.plaf.basic.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.swing.filechooser.*;
import java.util.Random;
public final class PathFinder {
/** the map grid to look on */
private final int [][] grid;
/** keep distances to each position here */
private final int [][] distances;
/** is gridposition (r, c) empty (empty is -1) ? */
private boolean isEmpty(int r, int c) {
return grid[r][c] == -1 ;
/** pathfinder for grid */
public PathFinder(int[][] grid) {
this.grid = grid;
this.distances = new int [grid.length][grid.length];
/** clear distances */
private void clear() {
for (int i = 0 ; i < distances.length ; i++)
for (int j = 0 ; j < distances.length ; j++)
distances[i][j] = Integer.MAX_VALUE;
/** position on the grid */
public final static class Position {
public int row, col;
public Position(int row, int col) {
this.row = row; this.col = col;
/** path from start to a certain position */
public final static class Path {
/** 2 for down, 0 is up, 1 is right and 3 is left */
public int giveMove() {
if (size() < 2)
return -1;
Position last = (Position)positions.get(size() - 1);
Position forlast = (Position)positions.get(size() - 2);
if (forlast.col - last.col == 1)
return 2; //down
else if (forlast.col - last.col == -1)
return 0; //up
else if (forlast.row - last.row == 1)
return 1;//right
else if (forlast.row - last.row == -1)
return 3; //left
return -1;
/** list of positions */
public List positions;
public int getCost() { return positions.size() - 1; }
public int size() { return positions.size(); }
public void add(Object o) { positions.add(o); }
/** add (r,c) to the path */
public void add(int r, int c) {
positions.add(new Position(r,c));
/** get first position */
public Position head() { return (Position) positions.get(0); }
public Path(ArrayList positions) { this.positions = positions; }
public Path(Position initial) {
positions = new ArrayList(1);
positions.add(initial);
public Path(int cap) { positions = new ArrayList(cap); }
public void set(Position front, Path old) {
positions.add(front);
Iterator i = old.positions.iterator();
while (i.hasNext())
positions.add(i.next());
/** gives the move to take for the shortest path from startRow to startCol
* 0 up, 1 right, 2 down, 3 left
* -1 if no move possible
public final int findShortest
(int startRow, int startCol, int goalRow, int goalCol) {
clear();
Position initial = new Position(startRow, startCol);
//LinkedList list = new LinkedList();
Position goal = new Position(goalRow, goalCol);
BinaireHoop list = new BinaireHoop(200, new Path(goal), goal);
list.add(new Path(initial));
Position [] successors = new Position[4];
int trie = 0;
for ( ; ! list.isEmpty() && trie < 10000 ; trie++) {
Path first = (Path) list.remove();
Position firstPos = first.head();
int r = firstPos.row; int c = firstPos.col;
if (r == goalRow && c == goalCol) { //goal found !
return first.giveMove();
} else {
int successorsCount = 0;
if (isEmpty(r-1,c)) {
successors[successorsCount++]
= new Position(r-1, c);
if (isEmpty(r+1,c)) {
successors[successorsCount++]
= new Position(r+1, c);
if (isEmpty(r,c-1)) {
successors[successorsCount++]
= new Position(r, c-1);
if (isEmpty(r,c+1)) {
successors[successorsCount++]
= new Position(r, c+1);
while (successorsCount-- > 0) {
Position succ = successors[successorsCount];
int newPathCost = first.getCost() + 1;
//add newPath if shorter than other path to this position
if (distances[succ.row][succ.col] > newPathCost) { //shorter
distances[succ.row][succ.col] = newPathCost;
Path newPath = new Path(newPathCost + 1);
newPath.set(succ, first);
//add path to binary heap
list.add(newPath);
} // else longer: discard
return -1;
There's also a BinaireHoop class which the PathFinder class uses. I'll post that code if anyone thinks it's relevant but the error appears to be soley on my implementation. The Path and Position and just small subclass which for the sake of quickness I just placed into my Test class too instead of into a new class to themselves.
Any thoughts appreciated! I would really like to get this working =)
Thanks.Thanks for your reply. Doh, totally missed that one =)
Anyway, I got the code working but it's still very buggy. I think this must just be a problem with the PathFinder class I downloaded.
I create a 2D array
int[][] array = {
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1}
};and choose starting and goal coordinates
int p = star.findShortest(1, 1, 2, 2);The PathFinder will generate the coordinates to move to (I just stuck it all in a loop and updated the starting coordinates as appropriate to lead me to the goal). This is great!
However, there seem to be a lot of bugs when I introduce "occupied squares". Basically, -1 in the array means that that square is empty whereas anything else means its full and the path finder should, in theory, generate a path around these obstacles. This isn't working correctly though.
Sometimes a path wil be found around the obstacle, sometimes the path will go straight through it, and many times it just throws an array index out of bounds exception error!
Anyone got any ideas? Or does anyone have any examples of a working path finder? =)
Cheers -
How to make an a basic attack in my text based game
hey guys! i really need some genuine help on how to create an attack for my monsters and player. the attack should be basic: if the room contains a monster, then the monster attacks when the player goes inside the room. then the player can type a command to attack the monster. the attack should just deduct the hp of the monster. so the player can keep attacking till the monster is "dead"(this is where i remove the monster).
anyway i tried alot in creating the attack but i failed all the time, messing my code even more. please!!!!! help!!!
my monster class:
public class Monster
private int hp, stage;
private String name;
public Monster(String name, int stage)
this.name = name;
this.stage = stage;
if(stage == 1) {
hp = 1;
else if(stage == 2) {
hp = 2;
else if(stage == 3) {
hp = 2;
else if(stage == 4) {
hp = 3;
else if(stage == 5) {
hp = 4;
else if(stage == 6) {
hp = 6;
public int monsterStage()
return stage;
public String getName()
return name;
this is where i created the monsters in my main game class:
private Monster skeleton, sphinx, zombie, vampire, werewolf, undeadking;
setting the monster to a room:
skeleton = new Monster("skeleton1", 1);
skeleton = new Monster("skeleton2", 1);
sphinx = new Monster("sphinx1", 2);
sphinx = new Monster("sphinx2", 2);
sphinx = new Monster("sphinx3", 2);
zombie = new Monster("zombie", 3);
vampire = new Monster("vampire1", 4);
vampire = new Monster("vampire2", 4);
werewolf = new Monster("werewolf", 5);
undeadking = new Monster("undeadking", 6);
//setting the monster to a place
bridge.addMonster("skeleton1", skeleton);
castleDoor.addMonster("sphinx1", sphinx);
castleChest.addMonster("zombie", zombie);
dungeonDoor.addMonster("sphinx2", sphinx);
castleStair.addMonster("werewolf", werewolf);
dungeonBridge.addMonster("vampire2", vampire);
dungeonBook.addMonster("sphinx3", sphinx);
dungeonChest.addMonster("skeleton2", skeleton);
throneCenter.addMonster("undeadking", undeadking);
ps.: please help me! each room has one monster only and they are stored in hashmapsHere is a start of a basic text based game--it doesn't level or regen characters nor give healing or have new weapons...
package ForumJunk;
import java.util.Random;
import java.util.Scanner;
public class ForumJunk{
private final int widthX;
private final int heightY;
private int myX;
private int myY;
private int myLevel;
private int baseHP;
private int myHP;
private int myTreasure;
private String[] myWeapon = {"fist", "open hand", "dagger", "short sword", "long sword", "b-sword", "2H sword"};
private int[] myWeaponMaxDamage = {2, 3, 4, 6, 10, 12, 16};
private int monsterFillFactor = 40;
private int[][] monsterLevel = {{1, 1, 1}, {2, 2, 2}, {3, 3, 3}};
private String[][] monsterName = {{"Skeleton", "Orac", "Kobald"}, {"Zombi", "Wolf", "Giant Rat"}, {"Bandit", "Mummy", "Ghost"}};
private int[] monsterMaxDamage = {2, 4, 6};
private myRoom[][] room;
private Random rand;
public ForumJunk(){
widthX = 100;
heightY = 100;
myLevel = 1;
rand = new Random();
baseHP = 16;
myHP = baseHP;
for(int i=0; i<myLevel; i++) myHP = myHP + rand.nextInt(4) + 4;
room = new myRoom[widthX][heightY];
for(int i=0; i<widthX; i++)for(int j=0; j<heightY; j++)room[i][j]=new myRoom();
myX = rand.nextInt(widthX);
myY = rand.nextInt(heightY);
myTreasure = 0;
fillMonster();
public void doAttack(){
if(!(room[myX][myY].monster != null)){
System.out.println("Oh, it must have been my shadow; there's no monsters here \n");
return; //no monster
if(rand.nextBoolean()){
doHumanAttack();
if(room[myX][myY].monster.hp > 0) doMonsterAttack();
}else{
doMonsterAttack();
doHumanAttack();
public void doHumanAttack(){
int weaponIndex = 0;
if(myLevel<myWeaponMaxDamage.length) weaponIndex = myLevel;else weaponIndex = myWeaponMaxDamage.length-1;
System.out.println("Attacking with " + myWeapon[weaponIndex] + " ...");
int damage = myLevel * rand.nextInt(myWeaponMaxDamage[myLevel]);
room[myX][myY].monster.hp -= damage;
if(damage>0) System.out.println("Hit for " + damage + " damage\n");
else System.out.println("I missed!\n");
if(room[myX][myY].monster.hp <= 0) System.out.println("The " + room[myX][myY].monster.name + " is dead.");
public void doMonsterAttack(){
System.out.println("The " + room[myX][myY].monster.name + " is attacking...");
int damage = rand.nextInt(monsterMaxDamage[room[myX][myY].monster.level-1]);
myHP -= damage;
if(damage>0) System.out.println("I've been hit for " + damage + " damage\n");
else System.out.println("It missed me!\n");
if(myHP<=0){
System.out.println("Oh no, I'm dead!!!!!");
System.exit(0);
public void doStatus(){
System.out.println();
System.out.println(" Status:");
System.out.println(" Room: " + myX + ":" + myY);
System.out.println(" HP: " + myHP);
System.out.println("Treasure: " + myTreasure + " gp");
System.out.println(" Level: " + myLevel);
System.out.println();
public void doTreasure(){
if(!(room[myX][myY].monster != null)){
System.out.println("What--do you expect it just to be laying around in every room? \n");
return; //no monster
if(room[myX][myY].monster.hp>0){
System.out.println("If there is any treasure that " + room[myX][myY].monster.name + " is guarding it.\n");
return; //no monster
myTreasure += room[myX][myY].monster.treasure;
System.out.println("I found " + room[myX][myY].monster.treasure + " gp\n");
room[myX][myY].monster = null;
public void fillMonster(){
int fill = (widthX * heightY * monsterFillFactor) / 100;
int x = 0;
int y = 0;
boolean gen = false;
for(int i=0; i<fill; i++){
gen = true;
while(gen){
x = rand.nextInt(widthX);
y = rand.nextInt(heightY);
if(!(room[x][y].monster != null)){
room[x][y].monster = new Monster(rand.nextInt(3)+1);
gen = false;
class Monster{
int level = 0;
int hp = 0;
int treasure = 0;
String name = "";
Monster(int level){
this.level = level;
hp = 1;
for(int i = 0; i<level; i++) {
hp += rand.nextInt(6);
treasure += rand.nextInt(100);
name = monsterName[level-1][rand.nextInt(3)];
class myRoom{
Monster monster = null;
//what ever else you want to put in here
public static void main(String[] args){
String myIN = "";
Scanner scan = new Scanner(System.in);
ForumJunk fj = new ForumJunk();
System.out.print("I am in room: " + fj.myX + ", " + fj.myY + " I have " + fj.myHP + " hit points and " + fj.myTreasure + " treasure ");
if(fj.room[fj.myX][fj.myY].monster!=null){
System.out.println("There is a " + fj.room[fj.myX][fj.myY].monster.name + " here!");
System.out.println("\n");
while(!(myIN=scan.next()).equals("exit")){
if(myIN.equals("north")){
fj.myY -=1;
if(fj.myY<0) fj.myY=fj.heightY-1;
}else if(myIN.equals("south")){
fj.myY +=1;
if(fj.myY==fj.heightY) fj.myY=0;
}else if(myIN.equals("west")){
fj.myX -=1;
if(fj.myX<0) fj.myX=fj.widthX-1;
}else if(myIN.equals("east")){
fj.myX +=1;
if(fj.myX==fj.widthX) fj.myX=0;
}else if(myIN.equals("attack")){
fj.doAttack();
}else if(myIN.equals("weapon")){
System.out.println("I'll be using my " + fj.myWeapon[fj.myLevel] + " to attack\n");
}else if(myIN.equals("treasure")){
fj.doTreasure();
}else if(myIN.equals("status")){
fj.doStatus();
System.out.print("I am in room: " + fj.myX + ", " + fj.myY + " I have " + fj.myHP + " hit points and " + fj.myTreasure + " treasure ");
if(fj.room[fj.myX][fj.myY].monster!=null){
System.out.print("There is a ");
if(fj.room[fj.myX][fj.myY].monster.hp<=0) System.out.print("dead ");
System.out.println(fj.room[fj.myX][fj.myY].monster.name + " here!");
System.out.println("\n");
System.out.println("Bye!");
} -
I tried working on Graphics a while ago, but I didn't have too much luck with that ;)
Just wondering if anyone here has any ideas about a 'fun' text-based game, that wouldn't be really based on RPG style stuff, because I don't really want to bother with having characters save and stuff(I kno how to though...)
Something like Rock/Paper/Siscors(spelling? lol), but kinda more adicting...oh right, forgot to tell you...idea for a MULTIPLAYER text-based game ;)
Thanks
-Been trying to think of a good idea all day, no luck ;)Think of an existing exciting game, and make a clone. Thinking of new games is hard.
Scissors.
Addicting. -
Can I install Windows 8 (DEMO) on a MAC and play windows based games ?
Can I install Windows 8 (DEMO) on a MAC and play windows based games ?
I installed the Developer beta with Bootcamp Assistant yesterday and was very impressed with the ease of the installation. Unfortunately, and I don't know if this is a problem with my video BIOS on my Macbook Air, but Windows 8 installs with two screens split horizontally - so it's effectively useless.
I tried 3 times and gave up. The same thing happens with Linux distributions, however with Linux I can pass "nomodeset" on the kernel command line which fixes it. I don't know how to do that in Windows.
This was happening with both 64x and 32-bit Win8 fwiw.
Oh, also...when I was trying to play around with Bootcamp.exe inside Windows 8, I remember a message popping up saying Bootcamp is only configurable with Windows 7 ISOs. But aside from the kernel graphics issues and some driver compatibility problems, Bootcamp loaded the Win8 ISOs fine. -
SO I've just begun to make a text based game and i've already ran into a problem :/
I've made a switch statement that has cases for each of the classes in the game..for example
Output will ask what you want to be
1. Fighter
2. etc
3. etc
case 1: //Fighter
My problem is i want to be able to display the class
as in game class not java class
as Fighter
That may be a bit confusing to understand sorry if it isn't clear
Here is my code that i'm using this may help.
import java.util.Scanner;
public class main {
public static void main(String args[]) {
Scanner input = new Scanner(System.in);
int health = 0;
int power = 0;
int gold = 0;
System.out.println("Welcome to my game!");
System.out.println("First of what is your name?");
String name = input.next();
System.out.println(name + " you say? Interesting name. Well then " + name + " what is your race?");
System.out.println();
System.out.println("Press 1. for Human");
System.out.println("Press 2. for Elf");
System.out.println("Press 3. for Orc");
int Race = input.nextInt();
switch (Race) {
case 1: // Human
String race = "Human";
health = 10;
power = 10;
gold = 25;
break;
case 2: // Elf
health = 9;
power = 13;
gold = 25;
break;
case 3: // Orc
health = 13;
power = 9;
gold = 30;
break;
default:
System.out.println("Invalid choice Please choose 1-3");
break;
System.out.println("Now what is your class?");
System.out.println("Press 1. Fighter");
System.out.println("Press 2. Mage");
System.out.println("Press 3. Rogue");
int Class = input.nextInt();
switch (Class) {
case 1: // Fighter
health = health + 1;
power = power + 1;
gold = gold + 1;
break;
case 2: // Mage
health = health + 1;
power = power + 1;
gold = gold + 1;
break;
case 3: // Rogue
health = health + 1;
power = power + 1;
gold = gold + 1;
break;
default:
System.out.println("Invalid choice Please choose 1-3");
break;
System.out.println("So your name is " + name );
System.out.println("and your race is: " + race);
System.out.println("and your class is: " + Class);
}Thanks in advance!Brushfire wrote:
So you're advising him to run his console based game on the EDT, why?Far King good question... To which I suspect the answer is "Ummm... Ooops!" ;-)
@OP: Here's my 2c... if you don't follow then ask good questions and I'll consider giving good answers.
package forums;
import java.util.Scanner;
abstract class Avatar
public final String name;
public int type;
public int health;
public int power;
public int gold;
protected Avatar(String name, int health, int power, int gold) {
this.name = name;
this.health = health;
this.power = power;
this.gold = gold;
public String toString() {
return "name="+name
+" health="+health
+" power="+power
+" gold="+gold
class Human extends Avatar
public Human(String name) {
super(name, 10, 11, 31);
class Elf extends Avatar
public Elf(String name) {
super(name, 9, 13, 25);
class Orc extends Avatar
public Orc(String name) {
super(name, 6, 17, 13);
interface AvatarFactory
public Avatar createAvatar();
class PlayersAvatarFactory implements AvatarFactory
private static final Scanner scanner = new Scanner(System.in);
public Avatar createAvatar() {
System.out.println();
System.out.println("Lets create your avatar ...");
String name = readName();
Avatar player = null;
switch(readRace(name)) {
case 1: player = new Human(name); break;
case 2: player = new Elf(name); break;
case 3: player = new Orc(name); break;
player.type = readType();
return player;
private static String readName() {
System.out.println();
System.out.print("First off, what is your name : ");
String name = scanner.nextLine();
System.out.println(name + " you say? Interesting name.");
return name;
private static int readRace(String name) {
System.out.println();
System.out.println("Well then " + name + ", what is your race?");
System.out.println("1. for Human");
System.out.println("2. for Elf");
System.out.println("3. for Orc");
while(true) {
System.out.print("Choice : ");
int race = scanner.nextInt();
scanner.nextLine();
if (race >= 1 && race <= 3) {
return race;
System.out.println("Bad Choice! Please try again, and DO be careful! This is important!");
private static int readType() {
System.out.println();
System.out.println("Now, what type of creature are you?");
System.out.println("1. Barbarian");
System.out.println("2. Mage");
System.out.println("3. Rogue");
while(true) {
System.out.print("Choice : ");
int type = scanner.nextInt();
scanner.nextLine();
if (type >= 1 && type <= 3) {
return type;
System.out.println("Look, enter a number between 1 and 3 isn't exactly rocket surgery! DO atleast try to get it right!");
public class PlayersAvatarFactoryTest {
public static void main(String args[]) {
try {
PlayersAvatarFactoryTest test = new PlayersAvatarFactoryTest();
test.run();
} catch (Exception e) {
e.printStackTrace();
private void run() {
AvatarFactory avatarFactory = new PlayersAvatarFactory();
System.out.println();
System.out.println("==== PlayersAvatarFactoryTest ====");
System.out.println("Welcome to my game!");
Avatar player1 = avatarFactory.createAvatar();
System.out.println();
System.out.println("Player1: "+player1);
}It's "just a bit" more OOified than your version... and I changed random stuff, so you basically can't cheat ;-)
And look out for JSG's totally-over-the-top triple-introspective-reflective-self-crushing-coffeebean-abstract-factory solution, with cheese ;-)
Cheers. Keith.
Edited by: corlettk on 25/07/2009 13:38 ~~ Typo!
Edited by: corlettk on 25/07/2009 13:39 ~~ I still can't believe the morons at sun made moron a proscribed word. -
How do I stop "delete cookies" from deleting saved games of a flash based game?
I'm running Firefox 4 under Windows 7.
I have it currently set to delete my history when I end the session, including cookies and temporary files. This is due to privacy concerns.
However, I also have a (downloaded - not run online or via a browser) flash based game on my computer - which saves games as LSOs.
Firefox therefore deletes my saved games when I exit.
How can I address my privacy concerns and still play this game?I am having a problem where my flash game saves are deleting themselves on their own. I don't even have to clear browsing history, and I do not have any cleaning software installed. I have set storage to unlimited and that worked for a few days but I loaded a game this evening and my save file was gone and the storage had been reset to 100kB. I haven't touched anything, haven't deleted anything. It's infuriating.
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Need help for Java Programming asap plzzzzzzzzzzzzz
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Using an external display with the macbook closed
I am using my big flat screen as an external display with my 2009 13" macbook. I want to be able to close the macbook. But when I do, the external display goes off. is there a way to configure my macbook so that the external monitor doesn't turn o
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Different currency bank account
Dear all, May I know what is the impact if only have local currency bank account as compared to foreign currency bank account in addition to local currency bank account. if i have invoice in foreign currency say USD and also local currency, should i