package minefantasy.mf2.entity; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.util.List; import minefantasy.mf2.api.helpers.ArmourCalculator; import minefantasy.mf2.item.list.ComponentListMF; import minefantasy.mf2.item.list.ToolListMF; import minefantasy.mf2.util.MFLogUtil; import net.minecraft.block.Block; import net.minecraft.block.material.Material; import net.minecraft.entity.Entity; import net.minecraft.entity.EntityLivingBase; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.init.Blocks; import net.minecraft.init.Items; import net.minecraft.item.Item; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.AxisAlignedBB; import net.minecraft.util.DamageSource; import net.minecraft.util.MathHelper; import net.minecraft.world.World; public class EntityParachute extends Entity { /** true if no player in parachute */ private boolean isParachuteEmpty; private double speedMultiplier; private int parachutePosRotationIncrements; private double parachuteX; private double parachuteY; private double parachuteZ; private double parachuteYaw; private double parachutePitch; @SideOnly(Side.CLIENT) private double velocityX; @SideOnly(Side.CLIENT) private double velocityY; @SideOnly(Side.CLIENT) private double velocityZ; public EntityParachute(World world) { super(world); this.isParachuteEmpty = true; this.speedMultiplier = 0.07D; this.preventEntitySpawning = true; this.setSize(2F, 4F); } /** * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to * prevent them from trampling crops */ @Override protected boolean canTriggerWalking() { return false; } @Override public boolean canRiderInteract() { return false; } protected void entityInit() { this.dataWatcher.addObject(17, new Integer(0)); this.dataWatcher.addObject(18, new Integer(1)); this.dataWatcher.addObject(19, new Float(0.0F)); } /** * Returns a boundingBox used to collide the entity with other entities and blocks. This enables the entity to be * pushable on contact, like parachutes or minecarts. */ public AxisAlignedBB getCollisionBox(Entity entity) { return entity.boundingBox; } /** * returns the bounding box for this entity */ public AxisAlignedBB getBoundingBox() { return this.boundingBox; } /** * Returns true if this entity should push and be pushed by other entities when colliding. */ public boolean canBePushed() { return true; } public EntityParachute(World world, double x, double y, double z) { this(world); this.setPosition(x, y + (double)this.yOffset, z); this.motionX = 0.0D; this.motionY = 0.0D; this.motionZ = 0.0D; this.prevPosX = x; this.prevPosY = y; this.prevPosZ = z; } /** * Returns the Y offset from the entity's position for any entity riding this one. */ public double getMountedYOffset() { return 1D; } /** * Called when the entity is attacked. */ public boolean attackEntityFrom(DamageSource src, float dam) { if (this.isEntityInvulnerable()) { return false; } else if (!this.worldObj.isRemote && !this.isDead) { this.setForwardDirection(-this.getForwardDirection()); this.setTimeSinceHit(10); this.setDamageTaken(this.getDamageTaken() + dam * 10.0F); this.setBeenAttacked(); boolean flag = src.getEntity() instanceof EntityPlayer && ((EntityPlayer)src.getEntity()).capabilities.isCreativeMode; if (flag || this.getDamageTaken() > 20.0F) { if (this.riddenByEntity != null) { this.riddenByEntity.mountEntity(this); } if (!flag) { this.func_145778_a(ToolListMF.parachute, 1, 0.0F); } this.setDead(); } return true; } else { return true; } } /** * Setups the entity to do the hurt animation. Only used by packets in multiplayer. */ @SideOnly(Side.CLIENT) public void performHurtAnimation() { this.setForwardDirection(-this.getForwardDirection()); this.setTimeSinceHit(10); this.setDamageTaken(this.getDamageTaken() * 11.0F); } /** * Returns true if other Entities should be prevented from moving through this Entity. */ public boolean canBeCollidedWith() { return !this.isDead; } /** * Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX, * posY, posZ, yaw, pitch */ @SideOnly(Side.CLIENT) public void setPositionAndRotation2(double x, double y, double z, float xr, float yr, int zr) { if (this.isParachuteEmpty) { this.parachutePosRotationIncrements = zr + 5; } else { double d3 = x - this.posX; double d4 = y - this.posY; double d5 = z - this.posZ; double d6 = d3 * d3 + d4 * d4 + d5 * d5; if (d6 <= 1.0D) { return; } this.parachutePosRotationIncrements = 3; } this.parachuteX = x; this.parachuteY = y; this.parachuteZ = z; this.parachuteYaw = (double)xr; this.parachutePitch = (double)yr; this.motionX = this.velocityX; this.motionY = this.velocityY; this.motionZ = this.velocityZ; } /** * Sets the velocity to the args. Args: x, y, z */ @SideOnly(Side.CLIENT) public void setVelocity(double xv, double yv, double zv) { this.velocityX = this.motionX = xv; this.velocityY = this.motionY = yv; this.velocityZ = this.motionZ = zv; } /** * Called to update the entity's position/logic. */ protected void fall(float distance) { } public void onUpdate() { if(this.riddenByEntity != null) { riddenByEntity.fallDistance = 0; //this.rotationYaw = riddenByEntity.rotationYaw; } super.onUpdate(); if (this.getTimeSinceHit() > 0) { this.setTimeSinceHit(this.getTimeSinceHit() - 1); } if (this.getDamageTaken() > 0.0F) { this.setDamageTaken(this.getDamageTaken() - 1.0F); } this.prevPosX = this.posX; this.prevPosY = this.posY; this.prevPosZ = this.posZ; byte b0 = 5; double d0 = 0.0D; for (int i = 0; i < b0; ++i) { double d1 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(i + 0) / (double)b0 - 0.125D; double d3 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(i + 1) / (double)b0 - 0.125D; AxisAlignedBB axisalignedbb = AxisAlignedBB.getBoundingBox(this.boundingBox.minX, d1, this.boundingBox.minZ, this.boundingBox.maxX, d3, this.boundingBox.maxZ); if (this.worldObj.isAABBInMaterial(axisalignedbb, Material.water)) { d0 += 1.0D / (double)b0; } } double d10 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); double d2; double d4; double d11; double d12; if (this.worldObj.isRemote && this.isParachuteEmpty) { if (this.parachutePosRotationIncrements > 0) { d2 = this.posX + (this.parachuteX - this.posX) / (double)this.parachutePosRotationIncrements; d4 = this.posY + (this.parachuteY - this.posY) / (double)this.parachutePosRotationIncrements; d11 = this.posZ + (this.parachuteZ - this.posZ) / (double)this.parachutePosRotationIncrements; d12 = MathHelper.wrapAngleTo180_double(this.parachuteYaw - (double)this.rotationYaw); this.rotationYaw = (float)((double)this.rotationYaw + d12 / (double)this.parachutePosRotationIncrements); this.rotationPitch = (float)((double)this.rotationPitch + (this.parachutePitch - (double)this.rotationPitch) / (double)this.parachutePosRotationIncrements); --this.parachutePosRotationIncrements; this.setPosition(d2, d4, d11); this.setRotation(this.rotationYaw, this.rotationPitch); } else { d2 = this.posX + this.motionX; d4 = this.posY + this.motionY; d11 = this.posZ + this.motionZ; this.setPosition(d2, d4, d11); if (this.onGround) { this.motionX *= 0.5D; this.motionY *= 0.5D; this.motionZ *= 0.5D; } this.motionX *= 0.9900000095367432D; this.motionY *= 0.949999988079071D; this.motionZ *= 0.9900000095367432D; } } else { if (d0 < 1.0D) { d2 = d0 * 2.0D - 1.0D; this.motionY += 0.03999999910593033D * d2; } else { if (this.motionY < 0.0D) { this.motionY /= 2.0D; } this.motionY += 0.007000000216066837D; } if (this.riddenByEntity != null && this.riddenByEntity instanceof EntityLivingBase) { EntityLivingBase entitylivingbase = (EntityLivingBase)this.riddenByEntity; float f = this.riddenByEntity.rotationYaw + -entitylivingbase.moveStrafing * 90.0F; this.motionX += -Math.sin((double)(f * (float)Math.PI / 180.0F)) * this.speedMultiplier * (double)entitylivingbase.moveForward * 0.05000000074505806D; this.motionZ += Math.cos((double)(f * (float)Math.PI / 180.0F)) * this.speedMultiplier * (double)entitylivingbase.moveForward * 0.05000000074505806D; } d2 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); if (d2 > 0.35D) { d4 = 0.35D / d2; this.motionX *= d4; this.motionZ *= d4; d2 = 0.35D; } if (d2 > d10 && this.speedMultiplier < 0.35D) { this.speedMultiplier += (0.35D - this.speedMultiplier) / 35.0D; if (this.speedMultiplier > 0.35D) { this.speedMultiplier = 0.35D; } } else { this.speedMultiplier -= (this.speedMultiplier - 0.07D) / 35.0D; if (this.speedMultiplier < 0.07D) { this.speedMultiplier = 0.07D; } } int l; this.motionY *= 0.5D; if (this.onGround) { this.motionX *= 0.5D; this.motionZ *= 0.5D; } this.moveEntity(this.motionX, this.motionY, this.motionZ); if ( (this.isCollidedHorizontally && d10 > 0D) || isTooHeavy()) { if (!this.worldObj.isRemote && !this.isDead) { this.setDead(); for (l = 0; l < 3; ++l) { this.func_145778_a(Item.getItemFromBlock(Blocks.wool), 1, 0.0F); } for (l = 0; l < 2; ++l) { this.func_145778_a(ComponentListMF.leather_strip, 1, 0.0F); } } } else { this.motionX *= 0.9900000095367432D; this.motionY *= 0.949999988079071D; this.motionZ *= 0.9900000095367432D; } this.rotationPitch = 0.0F; d4 = (double)this.rotationYaw; d11 = this.prevPosX - this.posX; d12 = this.prevPosZ - this.posZ; if (d11 * d11 + d12 * d12 > 0.001D) { d4 = (double)((float)(Math.atan2(d12, d11) * 180.0D / Math.PI)); } double d7 = MathHelper.wrapAngleTo180_double(d4 - (double)this.rotationYaw); if (d7 > 20.0D) { d7 = 20.0D; } if (d7 < -20.0D) { d7 = -20.0D; } this.rotationYaw = (float)((double)this.rotationYaw + d7); this.setRotation(this.rotationYaw, this.rotationPitch); if (!this.worldObj.isRemote) { List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.expand(0.20000000298023224D, 0.0D, 0.20000000298023224D)); if (list != null && !list.isEmpty()) { for (int k1 = 0; k1 < list.size(); ++k1) { Entity entity = (Entity)list.get(k1); if (entity != this.riddenByEntity && entity.canBePushed() && entity instanceof EntityParachute) { entity.applyEntityCollision(this); } } } if (this.riddenByEntity != null && this.riddenByEntity.isDead) { this.riddenByEntity = null; } } } } private boolean isTooHeavy() { if(riddenByEntity != null && riddenByEntity instanceof EntityLivingBase) { return ArmourCalculator.getTotalWeightOfWorn((EntityLivingBase)riddenByEntity, false) > 100F; } return false; } public void updateRiderPosition() { if (this.riddenByEntity != null) { double d0 = Math.cos((double)this.rotationYaw * Math.PI / 180.0D) * 0.4D; double d1 = Math.sin((double)this.rotationYaw * Math.PI / 180.0D) * 0.4D; this.riddenByEntity.setPosition(this.posX + d0, this.posY + this.getMountedYOffset() + this.riddenByEntity.getYOffset(), this.posZ + d1); } } /** * (abstract) Protected helper method to write subclass entity data to NBT. */ protected void writeEntityToNBT(NBTTagCompound nbt) {} /** * (abstract) Protected helper method to read subclass entity data from NBT. */ protected void readEntityFromNBT(NBTTagCompound nbt) {} @SideOnly(Side.CLIENT) public float getShadowSize() { return 0.0F; } /** * Takes in the distance the entity has fallen this tick and whether its on the ground to update the fall distance * and deal fall damage if landing on the ground. Args: distanceFallenThisTick, onGround */ protected void updateFallState(double dist, boolean hitGound) { int i = MathHelper.floor_double(this.posX); int j = MathHelper.floor_double(this.posY); int k = MathHelper.floor_double(this.posZ); if (hitGound) { if (this.fallDistance > 0.0F || onGround) { if (!this.worldObj.isRemote && !this.isDead) { this.setDead(); this.func_145778_a(ToolListMF.parachute, 1, 0.0F); } this.fallDistance = 0.0F; } } else if (this.worldObj.getBlock(i, j - 1, k).getMaterial() != Material.water && dist < 0.0D) { this.fallDistance = (float)((double)this.fallDistance - dist); } } /** * Sets the damage taken from the last hit. */ public void setDamageTaken(float dam) { this.dataWatcher.updateObject(19, Float.valueOf(dam)); } /** * Gets the damage taken from the last hit. */ public float getDamageTaken() { return this.dataWatcher.getWatchableObjectFloat(19); } /** * Sets the time to count down from since the last time entity was hit. */ public void setTimeSinceHit(int time) { this.dataWatcher.updateObject(17, Integer.valueOf(time)); } /** * Gets the time since the last hit. */ public int getTimeSinceHit() { return this.dataWatcher.getWatchableObjectInt(17); } /** * Sets the forward direction of the entity. */ public void setForwardDirection(int dir) { this.dataWatcher.updateObject(18, Integer.valueOf(dir)); } /** * Gets the forward direction of the entity. */ public int getForwardDirection() { return this.dataWatcher.getWatchableObjectInt(18); } /** * true if no player in parachute */ @SideOnly(Side.CLIENT) public void setIsParachuteEmpty(boolean flag) { this.isParachuteEmpty = flag; } }