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Diffstat (limited to 'Essentials/src/com/earth2me/essentials/TargetBlock.java')
| -rw-r--r-- | Essentials/src/com/earth2me/essentials/TargetBlock.java | 599 |
1 files changed, 599 insertions, 0 deletions
diff --git a/Essentials/src/com/earth2me/essentials/TargetBlock.java b/Essentials/src/com/earth2me/essentials/TargetBlock.java new file mode 100644 index 000000000..d3ac30d2d --- /dev/null +++ b/Essentials/src/com/earth2me/essentials/TargetBlock.java @@ -0,0 +1,599 @@ +package com.earth2me.essentials; + +import java.util.ArrayList; +import org.bukkit.block.Block; +import org.bukkit.Location; +import org.bukkit.Material; +import org.bukkit.entity.Player; +import org.bukkit.util.Vector; +/** + * @author toi + * Thanks to Raphfrk for optimization of this class. + */ +public class TargetBlock { + + private Location loc; + private double viewHeight; + private int maxDistance; + private int[] blockToIgnore; + private double checkDistance, curDistance; + private double xRotation, yRotation; + private Vector targetPos = new Vector(); + private Vector targetPosDouble = new Vector(); + private Vector prevPos = new Vector(); + private Vector offset = new Vector(); + + /** + * Constructor requiring a player, uses default values + * + * @param player Player to work with + */ + public TargetBlock(Player player) + { + this.setValues(player.getLocation(), 300, 1.65, 0.2, null); + } + + /** + * Constructor requiring a location, uses default values + * + * @param loc Location to work with + */ + public TargetBlock(Location loc) + { + this.setValues(loc, 300, 0, 0.2, null); + } + + /** + * Constructor requiring a player, max distance and a checking distance + * + * @param player Player to work with + * @param maxDistance How far it checks for blocks + * @param checkDistance How often to check for blocks, the smaller the more precise + */ + public TargetBlock(Player player, int maxDistance, double checkDistance) + { + this.setValues(player.getLocation(), maxDistance, 1.65, checkDistance, null); + } + + /** + * Constructor requiring a location, max distance and a checking distance + * + * @param loc What location to work with + * @param maxDistance How far it checks for blocks + * @param checkDistance How often to check for blocks, the smaller the more precise + */ + public TargetBlock(Location loc, int maxDistance, double checkDistance) { + this.setValues(loc, maxDistance, 0, checkDistance, null); + } + + /** + * Constructor requiring a player, max distance, checking distance and an array of blocks to ignore + * + * @param player What player to work with + * @param maxDistance How far it checks for blocks + * @param checkDistance How often to check for blocks, the smaller the more precise + * @param blocksToIgnore Integer array of what block ids to ignore while checking for viable targets + */ + public TargetBlock (Player player, int maxDistance, double checkDistance, int[] blocksToIgnore) + { + this.setValues(player.getLocation(), maxDistance, 1.65, checkDistance, blocksToIgnore); + } + + /** + * Constructor requiring a location, max distance, checking distance and an array of blocks to ignore + * + * @param loc What location to work with + * @param maxDistance How far it checks for blocks + * @param checkDistance How often to check for blocks, the smaller the more precise + * @param blocksToIgnore Array of what block ids to ignore while checking for viable targets + */ + public TargetBlock (Location loc, int maxDistance, double checkDistance, int[] blocksToIgnore) + { + this.setValues(loc, maxDistance, 0, checkDistance, blocksToIgnore); + } + + /** + * Constructor requiring a player, max distance, checking distance and an array of blocks to ignore + * + * @param player What player to work with + * @param maxDistance How far it checks for blocks + * @param checkDistance How often to check for blocks, the smaller the more precise + * @param blocksToIgnore String ArrayList of what block ids to ignore while checking for viable targets + */ + public TargetBlock (Player player, int maxDistance, double checkDistance, ArrayList<String> blocksToIgnore) + { + int[] bti = this.convertStringArraytoIntArray(blocksToIgnore); + this.setValues(player.getLocation(), maxDistance, 1.65, checkDistance, bti); + } + + /** + * Constructor requiring a location, max distance, checking distance and an array of blocks to ignore + * + * @param loc What location to work with + * @param maxDistance How far it checks for blocks + * @param checkDistance How often to check for blocks, the smaller the more precise + * @param blocksToIgnore String ArrayList of what block ids to ignore while checking for viable targets + */ + public TargetBlock (Location loc, int maxDistance, double checkDistance, ArrayList<String> blocksToIgnore) + { + int[] bti = this.convertStringArraytoIntArray(blocksToIgnore); + this.setValues(loc, maxDistance, 0, checkDistance, bti); + } + + /** + * Set the values, all constructors uses this function + * + * @param loc Location of the view + * @param maxDistance How far it checks for blocks + * @param viewPos Where the view is positioned in y-axis + * @param checkDistance How often to check for blocks, the smaller the more precise + * @param blocksToIgnore Ids of blocks to ignore while checking for viable targets + */ + private void setValues(Location loc, int maxDistance, double viewHeight, double checkDistance, int[] blocksToIgnore) + { + this.loc = loc; + this.maxDistance = maxDistance; + this.viewHeight = viewHeight; + this.checkDistance = checkDistance; + this.blockToIgnore = blocksToIgnore; + this.curDistance = 0; + xRotation = (loc.getYaw() + 90) % 360; + yRotation = loc.getPitch() * -1; + + double h = (checkDistance * Math.cos(Math.toRadians(yRotation))); + offset.setY((checkDistance * Math.sin(Math.toRadians(yRotation)))); + offset.setX((h * Math.cos(Math.toRadians(xRotation)))); + offset.setZ((h * Math.sin(Math.toRadians(xRotation)))); + + targetPosDouble = new Vector(loc.getX(), loc.getY() + viewHeight, loc.getZ()); + targetPos = new Vector( targetPosDouble.getBlockX(), targetPosDouble.getBlockY(), targetPosDouble.getBlockZ()); + prevPos = targetPos.clone(); + } + + /** + * Call this to reset checking position to allow you to check for a new target with the same TargetBlock instance. + */ + public void reset() + { + targetPosDouble = new Vector(loc.getX(), loc.getY() + viewHeight, loc.getZ()); + targetPos = new Vector( targetPosDouble.getBlockX(), targetPosDouble.getBlockY(), targetPosDouble.getBlockZ()); + prevPos = targetPos.clone(); + this.curDistance = 0; + } + + /** + * Gets the distance to a block. Measures from the block underneath the player to the targetblock + * Should only be used when passing player as an constructor parameter + * + * @return double + */ + public double getDistanceToBlock() + { + Vector blockUnderPlayer = new Vector( + (int) Math.floor(loc.getX() + 0.5), + (int) Math.floor(loc.getY() - 0.5), + (int) Math.floor(loc.getZ() + 0.5)); + + Block blk = getTargetBlock(); + double x = blk.getX() - blockUnderPlayer.getBlockX(); + double y = blk.getY() - blockUnderPlayer.getBlockY(); + double z = blk.getZ() - blockUnderPlayer.getBlockZ(); + + return Math.sqrt((Math.pow(x, 2) + Math.pow(y, 2) + Math.pow(z, 2))); + } + + /** + * Gets the rounded distance to a block. Measures from the block underneath the player to the targetblock + * Should only be used when passing player as an constructor parameter + * + * @return int + */ + public int getDistanceToBlockRounded() + { + Vector blockUnderPlayer = new Vector( + (int) Math.floor(loc.getX() + 0.5), + (int) Math.floor(loc.getY() - 0.5), + (int) Math.floor(loc.getZ() + 0.5)); + + Block blk = getTargetBlock(); + double x = blk.getX() - blockUnderPlayer.getBlockX(); + double y = blk.getY() - blockUnderPlayer.getBlockY(); + double z = blk.getZ() - blockUnderPlayer.getBlockZ(); + + return (int) Math.round((Math.sqrt((Math.pow(x, 2) + Math.pow(y, 2) + Math.pow(z, 2))))); + } + + /** + * Gets the floored x distance to a block. + * + * @return int + */ + public int getXDistanceToBlock() + { + this.reset(); + return (int) Math.floor(getTargetBlock().getX() - loc.getBlockX() + 0.5); + } + + /** + * Gets the floored y distance to a block + * + * @return int + */ + public int getYDistanceToBlock() + { + this.reset(); + return (int) Math.floor(getTargetBlock().getY() - loc.getBlockY() + viewHeight); + } + + /** + * Gets the floored z distance to a block + * + * @return int + */ + public int getZDistanceToBlock() + { + this.reset(); + return (int) Math.floor(getTargetBlock().getZ() - loc.getBlockZ() + 0.5); + } + + /** + * Returns the block at the sight. Returns null if out of range or if no viable target was found + * + * @return Block + */ + @SuppressWarnings("empty-statement") + public Block getTargetBlock() + { + this.reset(); + while ((getNextBlock() != null) && ((getCurrentBlock().getTypeId() == 0) || this.blockToIgnoreHasValue(getCurrentBlock().getTypeId()))); + return getCurrentBlock(); + } + + /** + * Sets the type of the block at the sight. Returns false if the block wasn't set. + * + * @param typeID ID of type to set the block to + * @return boolean + */ + @SuppressWarnings("empty-statement") + public boolean setTargetBlock(int typeID) + { + if (Material.getMaterial(typeID) != null) + { + this.reset(); + while (getNextBlock() != null && getCurrentBlock().getTypeId() == 0); + if (getCurrentBlock() != null) + { + Block blk = loc.getWorld().getBlockAt(targetPos.getBlockX(), targetPos.getBlockY(), targetPos.getBlockZ()); + blk.setTypeId(typeID); + return true; + } + } + return false; + } + + /** + * Sets the type of the block at the sight. Returns false if the block wasn't set. + * + * @param type Material to set the block to + * @return boolean + */ + @SuppressWarnings("empty-statement") + public boolean setTargetBlock(Material type) + { + this.reset(); + while ((getNextBlock() != null) && ((getCurrentBlock().getTypeId() == 0) || this.blockToIgnoreHasValue(getCurrentBlock().getTypeId()))); + if (getCurrentBlock() != null) + { + Block blk = loc.getWorld().getBlockAt(targetPos.getBlockX(), targetPos.getBlockY(), targetPos.getBlockZ()); + blk.setType(type); + return true; + } + return false; + } + + /** + * Sets the type of the block at the sight. Returns false if the block wasn't set. + * Observe! At the moment this function is using the built-in enumerator function .valueOf(String) but would preferably be changed to smarter function, when implemented + * + * @param type Name of type to set the block to + * @return boolean + */ + @SuppressWarnings("empty-statement") + public boolean setTargetBlock(String type) + { + Material mat = Material.valueOf(type); + if (mat != null) + { + this.reset(); + while ((getNextBlock() != null) && ((getCurrentBlock().getTypeId() == 0) || this.blockToIgnoreHasValue(getCurrentBlock().getTypeId()))); + if (getCurrentBlock() != null) + { + Block blk = loc.getWorld().getBlockAt(targetPos.getBlockX(), targetPos.getBlockY(), targetPos.getBlockZ()); + blk.setType(mat); + return true; + } + } + return false; + } + + /** + * Returns the block attached to the face at the sight. Returns null if out of range or if no viable target was found + * + * @return Block + */ + @SuppressWarnings("empty-statement") + public Block getFaceBlock() + { + while ((getNextBlock() != null) && ((getCurrentBlock().getTypeId() == 0) || this.blockToIgnoreHasValue(getCurrentBlock().getTypeId()))); + if (getCurrentBlock() != null) + { + return getPreviousBlock(); + } + else + { + return null; + } + } + + /** + * Sets the type of the block attached to the face at the sight. Returns false if the block wasn't set. + * + * @param typeID + * @return boolean + */ + public boolean setFaceBlock(int typeID) + { + if (Material.getMaterial(typeID) != null) + { + if (getCurrentBlock() != null) + { + Block blk = loc.getWorld().getBlockAt(prevPos.getBlockX(), prevPos.getBlockY(), prevPos.getBlockZ()); + blk.setTypeId(typeID); + return true; + } + } + return false; + } + + /** + * Sets the type of the block attached to the face at the sight. Returns false if the block wasn't set. + * + * @param type + * @return boolean + */ + public boolean setFaceBlock(Material type) + { + if (getCurrentBlock() != null) + { + Block blk = loc.getWorld().getBlockAt(prevPos.getBlockX(), prevPos.getBlockY(), prevPos.getBlockZ()); + blk.setType(type); + return true; + } + return false; + } + + /** + * Sets the type of the block attached to the face at the sight. Returns false if the block wasn't set. + * Observe! At the moment this function is using the built-in enumerator function .valueOf(String) but would preferably be changed to smarter function, when implemented + * + * @param type + * @return boolean + */ + public boolean setFaceBlock(String type) + { + Material mat = Material.valueOf(type); + if (mat != null) + { + if (getCurrentBlock() != null) + { + Block blk = loc.getWorld().getBlockAt(prevPos.getBlockX(), prevPos.getBlockY(), prevPos.getBlockZ()); + blk.setType(mat); + return true; + } + } + return false; + } + + /** + * Get next block + * + * @return Block + */ + public Block getNextBlock() + { + prevPos = targetPos.clone(); + do + { + curDistance += checkDistance; + + targetPosDouble.setX(offset.getX() + targetPosDouble.getX()); + targetPosDouble.setY(offset.getY() + targetPosDouble.getY()); + targetPosDouble.setZ(offset.getZ() + targetPosDouble.getZ()); + targetPos = new Vector( targetPosDouble.getBlockX(), targetPosDouble.getBlockY(), targetPosDouble.getBlockZ()); + } + while (curDistance <= maxDistance && targetPos.getBlockX() == prevPos.getBlockX() && targetPos.getBlockY() == prevPos.getBlockY() && targetPos.getBlockZ() == prevPos.getBlockZ()); + if (curDistance > maxDistance) + { + return null; + } + + return this.loc.getWorld().getBlockAt(this.targetPos.getBlockX(), this.targetPos.getBlockY(), this.targetPos.getBlockZ()); + } + + /** + * Returns the current block along the line of vision + * + * @return Block + */ + public Block getCurrentBlock() + { + if (curDistance > maxDistance) + { + return null; + } + else + { + return this.loc.getWorld().getBlockAt(this.targetPos.getBlockX(), this.targetPos.getBlockY(), this.targetPos.getBlockZ()); + } + } + + /** + * Sets current block type. Returns false if the block wasn't set. + * + * @param typeID + */ + public boolean setCurrentBlock(int typeID) + { + if (Material.getMaterial(typeID) != null) + { + Block blk = getCurrentBlock(); + if (blk != null) + { + blk.setTypeId(typeID); + return true; + } + } + return false; + } + + /** + * Sets current block type. Returns false if the block wasn't set. + * + * @param type + */ + public boolean setCurrentBlock(Material type) + { + Block blk = getCurrentBlock(); + if (blk != null) + { + blk.setType(type); + return true; + } + return false; + } + + /** + * Sets current block type. Returns false if the block wasn't set. + * Observe! At the moment this function is using the built-in enumerator function .valueOf(String) but would preferably be changed to smarter function, when implemented + * + * @param type + */ + public boolean setCurrentBlock(String type) + { + Material mat = Material.valueOf(type); + if (mat != null) + { + Block blk = getCurrentBlock(); + if (blk != null) + { + blk.setType(mat); + return true; + } + } + return false; + } + + /** + * Returns the previous block in the aimed path + * + * @return Block + */ + public Block getPreviousBlock() + { + return this.loc.getWorld().getBlockAt(prevPos.getBlockX(), prevPos.getBlockY(), prevPos.getBlockZ()); + } + + /** + * Sets previous block type id. Returns false if the block wasn't set. + * + * @param typeID + */ + public boolean setPreviousBlock(int typeID) + { + if (Material.getMaterial(typeID) != null) + { + Block blk = getPreviousBlock(); + if (blk != null) + { + blk.setTypeId(typeID); + return true; + } + } + return false; + } + + /** + * Sets previous block type id. Returns false if the block wasn't set. + * + * @param type + */ + public boolean setPreviousBlock(Material type) + { + Block blk = getPreviousBlock(); + if (blk != null) + { + blk.setType(type); + return true; + } + return false; + } + + /** + * Sets previous block type id. Returns false if the block wasn't set. + * Observe! At the moment this function is using the built-in enumerator function .valueOf(String) but would preferably be changed to smarter function, when implemented + * + * @param type + */ + public boolean setPreviousBlock(String type) + { + Material mat = Material.valueOf(type); + if (mat != null) + { + Block blk = getPreviousBlock(); + if (blk != null) + { + blk.setType(mat); + return true; + } + } + return false; + } + + private int[] convertStringArraytoIntArray(ArrayList<String> array) + { + if (array != null) + { + int intarray[] = new int[array.size()]; + for (int i = 0; i < array.size(); i++) + { + try + { + intarray[i] = Integer.parseInt(array.get(i)); + } + catch (NumberFormatException nfe) + { + intarray[i] = 0; + } + } + return intarray; + } + return null; + } + + private boolean blockToIgnoreHasValue(int value) + { + if (this.blockToIgnore != null) + { + if (this.blockToIgnore.length > 0) + { + for (int i : this.blockToIgnore) + { + if (i == value) + return true; + } + } + } + return false; + } +}
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