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More caching for on-ground checking in PlayerLocation.

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Remember the minimal yOnGround for having found ground and the maximal
yOnGround for not having found ground. Does not apply for all
xz/y-margin parameters, yet.
This commit is contained in:
asofold 2013-03-01 18:37:30 +01:00
parent 1c2c0dce89
commit bf0e8350ec
1 changed files with 62 additions and 12 deletions
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74
NCPCompat/src/main/java/fr/neatmonster/nocheatplus/utilities/PlayerLocation.java
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@ -79,6 +79,12 @@ public class PlayerLocation {
/** Is the player on the ground? */
private Boolean onGround = null;
// TODO: Check if onGround can be completely replaced by onGroundMinY and notOnGroundMaxY.
/** Minimal yOnGround for which the player is on ground. No extra xz/y margin.*/
private double onGroundMinY = Double.MAX_VALUE;
/** Maximal yOnGround for which the player is not on ground. No extra xz/y margin.*/
private double notOnGroundMaxY = Double.MIN_VALUE;
/** Is the player on ice? */
private Boolean onIce = null;
@ -426,20 +432,29 @@ public class PlayerLocation {
*/
public boolean isOnGround() {
if (onGround == null) {
final double d0 = 0; //0.001D;
if (blockFlags == null || (blockFlags.longValue() & BlockProperties.F_GROUND) != 0){
final int id = getTypeIdBelow();
if (BlockProperties.isGround(id) && BlockProperties.collidesBlock(blockCache, x, minY - yOnGround, z, x, minY, z, blockX, blockY - 1, blockZ, id)){
onGround = true;
// Check cached values and simplifications.
if (notOnGroundMaxY >= yOnGround) onGround = false;
else if (onGroundMinY <= yOnGround) onGround = true;
else{
if (blockFlags == null || (blockFlags.longValue() & BlockProperties.F_GROUND) != 0){
final int id = getTypeIdBelow();
if (BlockProperties.isGround(id) && BlockProperties.collidesBlock(blockCache, x, minY - yOnGround, z, x, minY, z, blockX, blockY - 1, blockZ, id)){
onGround = true;
}
else{
// Full on-ground check (blocks).
// Note: Might check for half-block height too (getTypeId), but that is much more seldom.
onGround = BlockProperties.isOnGround(blockCache, minX, minY - yOnGround, minZ, maxX, minY, maxZ, 0L);
}
}
// Note: Might check for half-block height too (getTypeId), but that is much more seldom.
else onGround = BlockProperties.isOnGround(blockCache, minX - d0, minY - yOnGround, minZ - d0, maxX + d0, minY, maxZ + d0, 0L);
else onGround = false;
}
else onGround = false;
if (!onGround) {
final double d1 = 0.25D;
onGround = blockCache.standsOnEntity(player, minX - d1, minY - yOnGround - d1, minZ - d1, maxX + d1, minY + 0.25 + d1, maxZ + d1);
}
if (onGround) onGroundMinY = Math.min(onGroundMinY, yOnGround);
else notOnGroundMaxY = Math.max(notOnGroundMaxY, yOnGround);
}
return onGround;
}
@ -450,10 +465,22 @@ public class PlayerLocation {
* @return
*/
public boolean isOnGround(final double yOnGround){
return isOnGround(yOnGround, 0D, 0D, 0L);
if (notOnGroundMaxY >= yOnGround) return false;
else if (onGroundMinY <= yOnGround) return true;
return isOnGround(yOnGround, 0D, 0D, 0L);
}
public boolean isOnGround(final double jumpHeight, final long ignoreFlags) {
/**
* SSimple block-on-ground check for given margin (no entities). Meant for checking bigger margin than the normal yOnGround.
* @param yOnGround
* @param ignoreFlags Flags to not regard as ground.
* @return
*/
public boolean isOnGround(final double yOnGround, final long ignoreFlags) {
if (ignoreFlags == 0){
if (notOnGroundMaxY >= yOnGround) return false;
else if (onGroundMinY <= yOnGround) return true;
}
return isOnGround(yOnGround, 0D, 0D, ignoreFlags);
}
@ -466,7 +493,11 @@ public class PlayerLocation {
* @return
*/
public boolean isOnGround(final double yOnGround, final double xzMargin, final double yMargin) {
return BlockProperties.isOnGround(blockCache, minX - xzMargin, minY - yOnGround - yMargin, minZ - xzMargin, maxX + xzMargin, minY + yMargin, maxZ + xzMargin, 0L);
if (xzMargin >= 0 && onGroundMinY <= yOnGround) return true;
if (xzMargin <= 0 && yMargin == 0){
if (notOnGroundMaxY >= yOnGround) return false;
}
return isOnGround(yOnGround, xzMargin, yMargin, 0);
}
/**
@ -478,7 +509,22 @@ public class PlayerLocation {
* @return
*/
public boolean isOnGround(final double yOnGround, final double xzMargin, final double yMargin, final long ignoreFlags) {
return BlockProperties.isOnGround(blockCache, minX - xzMargin, minY - yOnGround - yMargin, minZ - xzMargin, maxX + xzMargin, minY + yMargin, maxZ + xzMargin, ignoreFlags);
if (ignoreFlags == 0){
if (xzMargin >= 0 && onGroundMinY <= yOnGround) return true;
if (xzMargin <= 0 && yMargin == 0){
if (notOnGroundMaxY >= yOnGround) return false;
}
}
final boolean onGround = BlockProperties.isOnGround(blockCache, minX - xzMargin, minY - yOnGround - yMargin, minZ - xzMargin, maxX + xzMargin, minY + yMargin, maxZ + xzMargin, ignoreFlags);
if (ignoreFlags == 0){
if (onGround){
if (xzMargin <= 0 && yMargin == 0) onGroundMinY = Math.min(onGroundMinY, yOnGround);
}
else{
if (xzMargin >= 0) notOnGroundMaxY = Math.max(notOnGroundMaxY, yOnGround);
}
}
return onGround;
}
/**
@ -499,6 +545,7 @@ public class PlayerLocation {
* @return
*/
public boolean isNextToSolid(final double xzMargin, final double yMargin){
// TODO: Adjust to check block flags ?
return BlockProperties.collides(blockCache, minX - xzMargin, minY - yMargin, minZ - xzMargin, maxX + xzMargin, maxY + yMargin, maxZ + xzMargin, BlockProperties.F_SOLID);
}
@ -509,6 +556,7 @@ public class PlayerLocation {
* @return
*/
public boolean isNextToGround(final double xzMargin, final double yMargin){
// TODO: Adjust to check block flags ?
return BlockProperties.collides(blockCache, minX - xzMargin, minY - yMargin, minZ - xzMargin, maxX + xzMargin, maxY + yMargin, maxZ + xzMargin, BlockProperties.F_GROUND);
}
@ -674,6 +722,8 @@ public class PlayerLocation {
// Reset cached values.
typeId = typeIdBelow = data = null;
aboveStairs = inLava = inWater = inWeb = onGround = onIce = onClimbable = passable = null;
onGroundMinY = Double.MAX_VALUE;
notOnGroundMaxY = Double.MIN_VALUE;
blockFlags = null;
// TODO: Consider blockCache.setAccess? <- currently rather not, because