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Refactored the Teleportation Method. Finally Closes #1 :D

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This commit is contained in:
Eric Stokes 2011-07-25 19:16:00 -06:00
parent ecbdff428c
commit 6e88301351
2 changed files with 200 additions and 103 deletions
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229
src/main/java/com/onarandombox/MultiverseCore/MVTeleport.java
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@ -1,9 +1,6 @@
package com.onarandombox.MultiverseCore;
import java.util.logging.Logger;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.entity.Entity;
import com.onarandombox.utils.BlockSafety;
@ -13,7 +10,6 @@ public class MVTeleport {
MultiverseCore plugin;
BlockSafety bs = new BlockSafety();
private static final Logger log = Logger.getLogger("Minecraft");
public MVTeleport(MultiverseCore plugin) {
this.plugin = plugin;
@ -21,29 +17,158 @@ public class MVTeleport {
/**
* This method will be specific to beds, and check on top of the bed then around it.
*
*
* @return
*/
public Location getSafeBedDestination(Location bedLocation) {
//System.out.print(bedLocation);
// System.out.print(bedLocation);
Location idealLocation = bedLocation;
idealLocation.setY(idealLocation.getY() + 1);
idealLocation.setX(idealLocation.getX() + .5);
idealLocation.setZ(idealLocation.getZ() + .5);
//System.out.print(idealLocation);
// System.out.print(idealLocation);
if (this.bs.playerCanSpawnHereSafely(idealLocation)) {
//System.out.print(idealLocation);
// System.out.print(idealLocation);
return bedLocation;
}
return null;
}
private Location getSafeLocation(Location l) {
// Check around the player first in a configurable radius:
// TODO: Make this configurable
Location safe = checkAboveAndBelowLocation(l, 6, 9);
if (safe != null) {
safe.setX(safe.getBlockX() + .5);
safe.setZ(safe.getBlockZ() + .5);
}
return safe;
}
private Location checkAboveAndBelowLocation(Location l, int tolerance, int radius) {
// Tolerance must be an even number:
if (tolerance % 2 != 0) {
tolerance += 1;
}
// We want half of it, so we can go up and down
tolerance /= 2;
// For now this will just do a straight up block.
Location locToCheck = l.clone();
// Check the main level
Location safe = this.checkAroundLocation(locToCheck, radius);
if (safe != null) {
return safe;
}
// We've already checked zero right above this.
int currentLevel = 1;
while (currentLevel <= tolerance) {
// Check above
locToCheck = l.clone();
locToCheck.add(0, currentLevel, 0);
safe = this.checkAroundLocation(locToCheck, radius);
if (safe != null) {
return safe;
}
// Check below
locToCheck = l.clone();
locToCheck.subtract(0, currentLevel, 0);
safe = this.checkAroundLocation(locToCheck, radius);
if (safe != null) {
return safe;
}
currentLevel++;
}
return null;
}
/**
* For my crappy algorithm, radius MUST be odd
*
* @param l
* @param radius
* @return
*/
private Location checkAroundLocation(Location l, int diameter) {
if (diameter % 2 == 0) {
diameter += 1;
}
Location checkLoc = l.clone();
// Start at 3, the min diameter around a block
int loopcounter = 3;
while (loopcounter <= diameter) {
boolean foundSafeArea = checkAroundSpecificDiameter(checkLoc, loopcounter);
// If a safe area was found:
if (foundSafeArea) {
// Return the checkLoc, it is the safe location.
return checkLoc;
}
// Otherwise, let's reset our location
checkLoc = l.clone();
// And increment the radius
loopcounter += 2;
}
return null;
}
private boolean checkAroundSpecificDiameter(Location checkLoc, int circle) {
// Adjust the circle to get how many blocks to step out.
// A radius of 3 makes the block step 1
// A radius of 5 makes the block step 2
// A radius of 7 makes the block step 3
// ...
int adjustedCircle = ((circle - 1) / 2);
checkLoc.add(adjustedCircle, 0, 0);
if (this.bs.playerCanSpawnHereSafely(checkLoc)) {
return true;
}
// Now we go to the right that adjustedCircle many
for (int i = 0; i < adjustedCircle; i++) {
checkLoc.add(0, 0, 1);
if (this.bs.playerCanSpawnHereSafely(checkLoc)) {
return true;
}
}
// Then down adjustedCircle *2
for (int i = 0; i < adjustedCircle * 2; i++) {
checkLoc.add(-1, 0, 0);
if (this.bs.playerCanSpawnHereSafely(checkLoc)) {
return true;
}
}
// Then left adjustedCircle *2
for (int i = 0; i < adjustedCircle * 2; i++) {
checkLoc.add(0, 0, -1);
if (this.bs.playerCanSpawnHereSafely(checkLoc)) {
return true;
}
}
// Then up Then left adjustedCircle *2
for (int i = 0; i < adjustedCircle * 2; i++) {
checkLoc.add(1, 0, 0);
if (this.bs.playerCanSpawnHereSafely(checkLoc)) {
return true;
}
}
// Then finish up by doing adjustedCircle - 1
for (int i = 0; i < adjustedCircle - 1; i++) {
checkLoc.add(0, 0, 1);
if (this.bs.playerCanSpawnHereSafely(checkLoc)) {
return true;
}
}
return false;
}
public boolean safelyTeleport(Entity e, Location l) {
if(this.bs.playerCanSpawnHereSafely(l)) {
if (this.bs.playerCanSpawnHereSafely(l)) {
e.teleport(l);
System.out.print("The first location you gave me was safe!");
return true;
@ -55,86 +180,4 @@ public class MVTeleport {
System.out.print("Sorry champ, you're basically trying to teleport into a minefield. I should just kill you now.");
return false;
}
/**
* This function gets a safe place to teleport to.
*
* @param world
* @param player
* @return
*/
@Deprecated
private Location getSafeDestination(Location l) {
double x = l.getX();
double y = l.getY();
double z = l.getZ();
World w = l.getWorld();
// To make things easier we'll start with the Y Coordinate on top of a Solid Block.
// while (bs.blockIsAboveAir(w, x, y, z)) {
// y--;
// }
double i = 0, r = 0, aux = -1;
for (r = 0; r < 32; r++) {
for (i = x - r; i <= x + r; i++) {
if ((aux = safeColumn(w, i, y, z - r)) > -1) {
z = z - r;
break;
}
if ((aux = safeColumn(w, i, y, z + r)) > -1) {
z = z + r;
break;
}
}
if (aux > -1) {
x = i;
break;
}
for (i = z - r + 1; i <= z + r - 1; i++) {
if ((aux = safeColumn(w, x - r, y, i)) > -1) {
x = x - r;
break;
}
if ((aux = safeColumn(w, x + r, y, i)) > -1) {
x = x + r;
break;
}
}
if (aux > -1) {
z = i;
break;
}
}
if (aux == -1) {
log.warning("Uh oh, no safe location.");
return null;
}
// log.info("Target location (safe): " + x + ", " + aux + ", " + z);
return new Location(w, x, aux, z);
}
/**
* Check the Column given to see if there is an available safe spot.
*
* @param world
* @param x
* @param y
* @param z
* @return
*/
private double safeColumn(World world, double x, double y, double z) {
for (double ny = 0; ny < 48; ny++) {
if ((y + ny < 120) && !this.bs.blockIsNotSafe(world, x, y + ny, z)) {
return y + ny;
}
if ((y - ny > 4) && !this.bs.blockIsNotSafe(world, x, y - ny, z)) {
return y - ny;
}
}
return -1;
}
}

74
src/main/java/com/onarandombox/utils/BlockSafety.java
View File

@ -41,41 +41,95 @@ public class BlockSafety {
upOne.setY(upOne.getY() + 1);
downOne.setY(downOne.getY() - 1);
if (/*actual.getBlock().getType() != Material.AIR || */upOne.getBlock().getType() != Material.AIR) {
System.out.print("Air!");
if (this.isNotSolidBlock(actual.getBlock().getType()) || this.isNotSolidBlock(upOne.getBlock().getType())) {
return false;
}
if (downOne.getBlock().getType() == Material.LAVA) {
System.out.print("Lava!");
return false;
}
if (downOne.getBlock().getType() == Material.STATIONARY_LAVA) {
System.out.print("Lava!!");
return false;
}
if (downOne.getBlock().getType() == Material.FIRE) {
System.out.print("Fire Below!");
return false;
}
if (actual.getBlock().getType() == Material.FIRE) {
System.out.print("Fire!");
return false;
}
if (blockIsAboveAir(actual)) {
System.out.print("Above Air!");
// FOR NOW THIS IS OK
// TODO: Take out once the other one is fixed.
return true;
return false;
}
return true;
}
/**
* If someone has a better way of this... Please either tell us, or submit a pull request!
*
* @param type
* @return
*/
private boolean isNotSolidBlock(Material type) {
switch (type) {
case AIR:
return true;
case TRAP_DOOR:
return true;
case TORCH:
return true;
case YELLOW_FLOWER:
return true;
case RED_ROSE:
return true;
case RED_MUSHROOM:
return true;
case BROWN_MUSHROOM:
return true;
case REDSTONE:
return true;
case REDSTONE_WIRE:
return true;
case RAILS:
return true;
case POWERED_RAIL:
return true;
case REDSTONE_TORCH_ON:
return true;
case REDSTONE_TORCH_OFF:
return true;
case DEAD_BUSH:
return true;
case SAPLING:
return true;
case STONE_BUTTON:
return true;
case LEVER:
return true;
case LONG_GRASS:
return true;
case PORTAL:
return true;
case STONE_PLATE:
return true;
case WOOD_PLATE:
return true;
case SEEDS:
return true;
case SUGAR_CANE_BLOCK:
return true;
case WALL_SIGN:
return true;
case SIGN_POST:
return true;
}
return false;
}
public void showDangers(Location l) {
Location actual = new Location(l.getWorld(), l.getX(), l.getY(), l.getZ());
Location upOne = new Location(l.getWorld(), l.getX(), l.getY(), l.getZ());