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Moved ray trace code to calc-core

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Robert S 2014-05-08 01:23:42 -04:00
parent 433fcc31e4
commit dc3bd53e18
3 changed files with 2 additions and 278 deletions
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1
electrical/src/main/scala/resonantinduction/electrical/laser/gun/ItemMiningLaser.java
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@ -21,6 +21,7 @@ import resonantinduction.core.prefab.items.ItemEnergyTool;
import universalelectricity.api.vector.IVector3;
import universalelectricity.api.vector.Vector3;
import calclavia.api.resonantinduction.electrical.LaserEvent;
import calclavia.lib.prefab.vector.RayTraceHelper;
import calclavia.lib.type.Pair;
/** Stream laser mining tool, When held down it will slowly mine away at the block in front of it.

1
electrical/src/main/scala/resonantinduction/electrical/laser/gun/ItemThermalLaser.java
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@ -28,6 +28,7 @@ import universalelectricity.api.vector.IVector3;
import universalelectricity.api.vector.Vector3;
import universalelectricity.api.vector.VectorWorld;
import calclavia.api.resonantinduction.electrical.LaserEvent;
import calclavia.lib.prefab.vector.RayTraceHelper;
import calclavia.lib.thermal.ThermalGrid;
import calclavia.lib.type.Pair;
import cpw.mods.fml.relauncher.Side;

278
electrical/src/main/scala/resonantinduction/electrical/laser/gun/RayTraceHelper.java
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@ -1,278 +0,0 @@
package resonantinduction.electrical.laser.gun;
import java.util.List;
import net.minecraft.entity.Entity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import universalelectricity.api.vector.Vector3;
public class RayTraceHelper
{
public static MovingObjectPosition raytraceEntities_fromAnEntity(World world, Entity entity, Vec3 error, double reachDistance, boolean collisionFlag)
{
MovingObjectPosition pickedEntity = null;
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);
double playerBorder = 1.1 * reachDistance;
AxisAlignedBB boxToScan = entity.boundingBox.expand(playerBorder, playerBorder, playerBorder);
List<Entity> entitiesHit = world.getEntitiesWithinAABBExcludingEntity(entity, boxToScan);
double closestEntity = reachDistance;
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(playerPosition, playerViewOffset);
if (hitMOP != null)
{
if (aabb.isVecInside(playerPosition))
{
if (0.0D < closestEntity || closestEntity == 0.0D)
{
pickedEntity = new MovingObjectPosition(entityHit);
if (pickedEntity != null)
{
pickedEntity.hitVec = hitMOP.hitVec;
closestEntity = 0.0D;
}
}
}
else
{
double distance = playerPosition.distanceTo(hitMOP.hitVec);
if (distance < closestEntity || closestEntity == 0.0D)
{
pickedEntity = new MovingObjectPosition(entityHit);
pickedEntity.hitVec = hitMOP.hitVec;
closestEntity = distance;
}
}
}
}
}
return pickedEntity;
}
@SuppressWarnings("unchecked")
public static MovingObjectPosition raytraceEntities(World world, Vec3 start, Vec3 end, double range, boolean collisionFlag, Entity exclude)
{
AxisAlignedBB boxToScan = AxisAlignedBB.getBoundingBox(start.xCoord, start.yCoord, start.zCoord, end.xCoord, end.yCoord, end.zCoord);
List<Entity> entitiesHit = null;
if (exclude != null)
{
entitiesHit = world.getEntitiesWithinAABBExcludingEntity(exclude, boxToScan);
}
else
{
entitiesHit = world.getEntitiesWithinAABB(Entity.class, boxToScan);
}
MovingObjectPosition pickedEntity = null;
double closestEntity = range;
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_fromAnEntity(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 raytraceBlocks(world, playerPosition, playerViewOffset, collisionFlag);
}
public static MovingObjectPosition raytraceBlocks_fromAnEntity(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 Vector3 getPosFromRotation(final Vector3 center, float reachDistance, float yaw, float pitch)
{
return center.clone().translate(getLook(yaw, pitch, 1.0F).scale(reachDistance));
}
/** Does a ray trace from start to end vector
*
* @param world - world to do the ray trace in
* @param start - starting point clear of any collisions from its caster
* @param end - end point
* @param collisionFlag
* @return */
public static MovingObjectPosition ray_trace_do(final World world, final Vec3 start, final Vec3 end, final float range, boolean collisionFlag)
{
MovingObjectPosition hitBlock = raytraceBlocks(world, new Vector3(start).toVec3(), new Vector3(end).toVec3(), collisionFlag);
MovingObjectPosition hitEntity = raytraceEntities(world, start, end, range, collisionFlag, null);
if (hitEntity == null)
{
return hitBlock;
}
else if (hitBlock == null)
{
return hitEntity;
}
else
{
if (hitEntity.hitVec.distanceTo(start) < hitBlock.hitVec.distanceTo(start))
{
return hitEntity;
}
else
{
return hitBlock;
}
}
}
/** Does a ray trace from an entities look angle out to a set distance from the entity
*
* @param entity - entity who's view angles will be used for finding the start and end points of
* the ray
* @param e - error(or adjustments) to add to it if this ray is being used for weapon
* calculations
* @param reachDistance - distance the ray will extend to
* @param collisionFlag
* @return */
public static MovingObjectPosition do_rayTraceFromEntity(Entity entity, Vec3 e, double reachDistance, boolean collisionFlag)
{
MovingObjectPosition hitBlock = raytraceBlocks_fromAnEntity(entity.worldObj, entity, e, reachDistance, collisionFlag);
MovingObjectPosition hitEntity = raytraceEntities_fromAnEntity(entity.worldObj, entity, e, reachDistance, collisionFlag);
if (hitEntity == null)
{
return hitBlock;
}
else if (hitBlock == null)
{
return hitEntity;
}
else
{
Vec3 playerPosition = Vec3.createVectorHelper(entity.posX, entity.posY + entity.getEyeHeight(), entity.posZ);
if (hitEntity.hitVec.distanceTo(playerPosition) < hitBlock.hitVec.distanceTo(playerPosition))
{
return hitEntity;
}
else
{
return hitBlock;
}
}
}
public static Vec3 getLook(Entity entity, float par1)
{
float f1;
float f2;
float f3;
float f4;
if (par1 == 1.0F)
{
f1 = MathHelper.cos(-entity.rotationYaw * 0.017453292F - (float) Math.PI);
f2 = MathHelper.sin(-entity.rotationYaw * 0.017453292F - (float) Math.PI);
f3 = -MathHelper.cos(-entity.rotationPitch * 0.017453292F);
f4 = MathHelper.sin(-entity.rotationPitch * 0.017453292F);
return entity.worldObj.getWorldVec3Pool().getVecFromPool((f2 * f3), f4, (f1 * f3));
}
else
{
f1 = entity.prevRotationPitch + (entity.rotationPitch - entity.prevRotationPitch) * par1;
f2 = entity.prevRotationYaw + (entity.rotationYaw - entity.prevRotationYaw) * par1;
f3 = MathHelper.cos(-f2 * 0.017453292F - (float) Math.PI);
f4 = MathHelper.sin(-f2 * 0.017453292F - (float) Math.PI);
float f5 = -MathHelper.cos(-f1 * 0.017453292F);
float f6 = MathHelper.sin(-f1 * 0.017453292F);
return entity.worldObj.getWorldVec3Pool().getVecFromPool((f4 * f5), f6, (f3 * f5));
}
}
public static Vector3 getLook(float yaw, float pitch, float distance)
{
float f1, f2, f3, f4;
if (distance == 1.0F)
{
f1 = MathHelper.cos(-yaw * 0.017453292F - (float) Math.PI);
f2 = MathHelper.sin(-yaw * 0.017453292F - (float) Math.PI);
f3 = -MathHelper.cos(-pitch * 0.017453292F);
f4 = MathHelper.sin(-pitch * 0.017453292F);
return new Vector3((f2 * f3), f4, (f1 * f3));
}
else
{
f1 = pitch * distance;
f2 = yaw * distance;
f3 = MathHelper.cos(-f2 * 0.017453292F - (float) Math.PI);
f4 = MathHelper.sin(-f2 * 0.017453292F - (float) Math.PI);
float f5 = -MathHelper.cos(-f1 * 0.017453292F);
float f6 = MathHelper.sin(-f1 * 0.017453292F);
return new Vector3((f4 * f5), f6, (f3 * f5));
}
}
}