package net.minecraft.entity.ai; import net.minecraft.block.Block; import net.minecraft.entity.EntityCreature; import net.minecraft.entity.EntityLiving; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.item.Item; import net.minecraft.item.ItemStack; import net.minecraft.pathfinding.PathFinder; import net.minecraft.pathfinding.PathPoint; import net.minecraft.util.MathHelper; public class EntityAIControlledByPlayer extends EntityAIBase { private final EntityLiving thisEntity; private final float maxSpeed; private float currentSpeed = 0.0F; /** Whether the entity's speed is boosted. */ private boolean speedBoosted = false; /** * Counter for speed boosting, upon reaching maxSpeedBoostTime the speed boost will be disabled */ private int speedBoostTime = 0; /** Maximum time the entity's speed should be boosted for. */ private int maxSpeedBoostTime = 0; public EntityAIControlledByPlayer(EntityLiving par1EntityLiving, float par2) { this.thisEntity = par1EntityLiving; this.maxSpeed = par2; this.setMutexBits(7); } /** * Execute a one shot task or start executing a continuous task */ public void startExecuting() { this.currentSpeed = 0.0F; } /** * Resets the task */ public void resetTask() { this.speedBoosted = false; this.currentSpeed = 0.0F; } /** * Returns whether the EntityAIBase should begin execution. */ public boolean shouldExecute() { return this.thisEntity.isEntityAlive() && this.thisEntity.riddenByEntity != null && this.thisEntity.riddenByEntity instanceof EntityPlayer && (this.speedBoosted || this.thisEntity.canBeSteered()); } /** * Updates the task */ public void updateTask() { EntityPlayer var1 = (EntityPlayer)this.thisEntity.riddenByEntity; EntityCreature var2 = (EntityCreature)this.thisEntity; float var3 = MathHelper.wrapAngleTo180_float(var1.rotationYaw - this.thisEntity.rotationYaw) * 0.5F; if (var3 > 5.0F) { var3 = 5.0F; } if (var3 < -5.0F) { var3 = -5.0F; } this.thisEntity.rotationYaw = MathHelper.wrapAngleTo180_float(this.thisEntity.rotationYaw + var3); if (this.currentSpeed < this.maxSpeed) { this.currentSpeed += (this.maxSpeed - this.currentSpeed) * 0.01F; } if (this.currentSpeed > this.maxSpeed) { this.currentSpeed = this.maxSpeed; } int var4 = MathHelper.floor_double(this.thisEntity.posX); int var5 = MathHelper.floor_double(this.thisEntity.posY); int var6 = MathHelper.floor_double(this.thisEntity.posZ); float var7 = this.currentSpeed; if (this.speedBoosted) { if (this.speedBoostTime++ > this.maxSpeedBoostTime) { this.speedBoosted = false; } var7 += var7 * 1.15F * MathHelper.sin((float)this.speedBoostTime / (float)this.maxSpeedBoostTime * (float)Math.PI); } float var8 = 0.91F; if (this.thisEntity.onGround) { var8 = 0.54600006F; int var9 = this.thisEntity.worldObj.getBlockId(MathHelper.floor_float((float)var4), MathHelper.floor_float((float)var5) - 1, MathHelper.floor_float((float)var6)); if (var9 > 0) { var8 = Block.blocksList[var9].slipperiness * 0.91F; } } float var22 = 0.16277136F / (var8 * var8 * var8); float var10 = MathHelper.sin(var2.rotationYaw * (float)Math.PI / 180.0F); float var11 = MathHelper.cos(var2.rotationYaw * (float)Math.PI / 180.0F); float var12 = var2.getAIMoveSpeed() * var22; float var13 = Math.max(var7, 1.0F); var13 = var12 / var13; float var14 = var7 * var13; float var15 = -(var14 * var10); float var16 = var14 * var11; if (MathHelper.abs(var15) > MathHelper.abs(var16)) { if (var15 < 0.0F) { var15 -= this.thisEntity.width / 2.0F; } if (var15 > 0.0F) { var15 += this.thisEntity.width / 2.0F; } var16 = 0.0F; } else { var15 = 0.0F; if (var16 < 0.0F) { var16 -= this.thisEntity.width / 2.0F; } if (var16 > 0.0F) { var16 += this.thisEntity.width / 2.0F; } } int var17 = MathHelper.floor_double(this.thisEntity.posX + (double)var15); int var18 = MathHelper.floor_double(this.thisEntity.posZ + (double)var16); PathPoint var19 = new PathPoint(MathHelper.floor_float(this.thisEntity.width + 1.0F), MathHelper.floor_float(this.thisEntity.height + var1.height + 1.0F), MathHelper.floor_float(this.thisEntity.width + 1.0F)); if ((var4 != var17 || var6 != var18) && PathFinder.func_82565_a(this.thisEntity, var17, var5, var18, var19, false, false, true) == 0 && PathFinder.func_82565_a(this.thisEntity, var4, var5 + 1, var6, var19, false, false, true) == 1 && PathFinder.func_82565_a(this.thisEntity, var17, var5 + 1, var18, var19, false, false, true) == 1) { var2.getJumpHelper().setJumping(); } if (!var1.capabilities.isCreativeMode && this.currentSpeed >= this.maxSpeed * 0.5F && this.thisEntity.getRNG().nextFloat() < 0.006F && !this.speedBoosted) { ItemStack var20 = var1.getHeldItem(); if (var20 != null && var20.itemID == Item.carrotOnAStick.itemID) { var20.damageItem(1, var1); if (var20.stackSize == 0) { ItemStack var21 = new ItemStack(Item.fishingRod); var21.setTagCompound(var20.stackTagCompound); var1.inventory.mainInventory[var1.inventory.currentItem] = var21; } } } this.thisEntity.moveEntityWithHeading(0.0F, var7); } /** * Return whether the entity's speed is boosted. */ public boolean isSpeedBoosted() { return this.speedBoosted; } /** * Boost the entity's movement speed. */ public void boostSpeed() { this.speedBoosted = true; this.speedBoostTime = 0; this.maxSpeedBoostTime = this.thisEntity.getRNG().nextInt(841) + 140; } /** * Return whether the entity is being controlled by a player. */ public boolean isControlledByPlayer() { return !this.isSpeedBoosted() && this.currentSpeed > this.maxSpeed * 0.3F; } }