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Expanded raytrace class

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Robert 2013-11-10 19:02:26 -05:00
parent 0063335a7a
commit 7cfafeb7fa
1 changed files with 76 additions and 3 deletions
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79
src/dark/core/helpers/RayTraceHelper.java
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@ -23,14 +23,14 @@ public class RayTraceHelper
double playerBorder = 1.1 * reachDistance;
AxisAlignedBB boxToScan = entity.boundingBox.expand(playerBorder, playerBorder, playerBorder);
List entitiesHit = world.getEntitiesWithinAABBExcludingEntity(entity, boxToScan);
List<Entity> entitiesHit = world.getEntitiesWithinAABBExcludingEntity(entity, boxToScan);
double closestEntity = reachDistance;
if (entitiesHit == null || entitiesHit.isEmpty())
{
return null;
}
for (Entity entityHit : (Iterable<Entity>) entitiesHit)
for (Entity entityHit : entitiesHit)
{
if (entityHit != null && entityHit.canBeCollidedWith() && entityHit.boundingBox != null)
{
@ -69,13 +69,86 @@ public class RayTraceHelper
return pickedEntity;
}
public static MovingObjectPosition raytraceEntities(World world, Vec3 start, Vec3 end, boolean collisionFlag, Entity exclude)
{
AxisAlignedBB boxToScan = AxisAlignedBB.getBoundingBox(start.xCoord, start.zCoord, start.yCoord, end.xCoord, end.yCoord, end.zCoord);
MovingObjectPosition pickedEntity = null;
List<Entity> entitiesHit;
if (exclude == null)
{
entitiesHit = world.getEntitiesWithinAABB(Entity.class, boxToScan);
}
else
{
entitiesHit = world.getEntitiesWithinAABBExcludingEntity(exclude, boxToScan);
}
double closestEntity = start.distanceTo(end);
if (entitiesHit == null || entitiesHit.isEmpty())
{
return null;
}
for (Entity entityHit : entitiesHit)
{
if (entityHit != null && entityHit.canBeCollidedWith() && entityHit.boundingBox != null)
{
float border = entityHit.getCollisionBorderSize();
AxisAlignedBB aabb = entityHit.boundingBox.expand(border, border, border);
MovingObjectPosition hitMOP = aabb.calculateIntercept(start, end);
if (hitMOP != null)
{
if (aabb.isVecInside(start))
{
if (0.0D < closestEntity || closestEntity == 0.0D)
{
pickedEntity = new MovingObjectPosition(entityHit);
if (pickedEntity != null)
{
pickedEntity.hitVec = hitMOP.hitVec;
closestEntity = 0.0D;
}
}
}
else
{
double distance = start.distanceTo(hitMOP.hitVec);
if (distance < closestEntity || closestEntity == 0.0D)
{
pickedEntity = new MovingObjectPosition(entityHit);
pickedEntity.hitVec = hitMOP.hitVec;
closestEntity = distance;
}
}
}
}
}
return pickedEntity;
}
public static MovingObjectPosition raytraceBlocks(World world, Entity entity, Vec3 error, double reachDistance, boolean collisionFlag)
{
Vec3 playerPosition = Vec3.createVectorHelper(entity.posX, entity.posY + entity.getEyeHeight(), entity.posZ);
Vec3 playerLook = entity.getLookVec();
Vec3 playerViewOffset = Vec3.createVectorHelper(playerPosition.xCoord + playerLook.xCoord * reachDistance + error.xCoord, playerPosition.yCoord + playerLook.yCoord * reachDistance + error.yCoord, playerPosition.zCoord + playerLook.zCoord * reachDistance + error.zCoord);
return world.rayTraceBlocks_do_do(playerPosition, playerViewOffset, collisionFlag, !collisionFlag);
return raytraceBlocks(world, playerPosition, playerViewOffset, collisionFlag);
}
public static MovingObjectPosition raytraceBlocks(World world, Entity entity, double reachDistance, boolean collisionFlag)
{
Vec3 playerPosition = Vec3.createVectorHelper(entity.posX, entity.posY + entity.getEyeHeight(), entity.posZ);
Vec3 playerLook = entity.getLookVec();
Vec3 playerViewOffset = Vec3.createVectorHelper(playerPosition.xCoord + playerLook.xCoord * reachDistance, playerPosition.yCoord + playerLook.yCoord * reachDistance, playerPosition.zCoord + playerLook.zCoord * reachDistance);
return raytraceBlocks(world, playerPosition, playerViewOffset, collisionFlag);
}
public static MovingObjectPosition raytraceBlocks(World world, Vec3 start, Vec3 end, boolean collisionFlag)
{
return world.rayTraceBlocks_do_do(start, end, collisionFlag, !collisionFlag);
}
public static MovingObjectPosition ray_trace_do(World world, Entity entity, Vec3 e, double reachDistance, boolean collisionFlag)