所以，伙计们，我是我的技术改造的新手，实际上我正试图让自己定制弓箭。但是EntityArrow存在一个问题，每当我用弓射击时，箭头都会起作用，但是它不可见，它会撞到地面并且可以拾取但完全不可见箭头。这是我的弓的代码：
package tutuicraft3.sapphirecraft.item;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.init.Items;
import net.minecraft.item.EnumAction;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.world.World;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.ArrowLooseEvent;
import net.minecraftforge.event.entity.player.ArrowNockEvent;
import tutuicraft3.sapphirecraft.SapphireCraft;
public class ItemSapphire_Bow extends Item
{
public static final String[] bowPullIconNameArray = new String[] {"pulling_0", "pulling_1", "pulling_2"};
@SideOnly(Side.CLIENT)
private IIcon[] iconArray;
private static final String __OBFID = "CL_00001777";
public ItemSapphire_Bow(int i)
{
this.maxStackSize = 1;
this.setMaxDamage(384);
}
/**
* called when the player releases the use item button. Args: itemstack, world, entityplayer, itemInUseCount
*/
public void onPlayerStoppedUsing(ItemStack p_77615_1_, World p_77615_2_, EntityPlayer p_77615_3_, int p_77615_4_)
{
int j = this.getMaxItemUseDuration(p_77615_1_) - p_77615_4_;
ArrowLooseEvent event = new ArrowLooseEvent(p_77615_3_, p_77615_1_, j);
MinecraftForge.EVENT_BUS.post(event);
if (event.isCanceled())
{
return;
}
j = event.charge;
boolean flag = p_77615_3_.capabilities.isCreativeMode || EnchantmentHelper.getEnchantmentLevel(Enchantment.infinity.effectId, p_77615_1_) > 0;
if (flag || p_77615_3_.inventory.hasItem(SapphireCraft.Sapphire_Arrow))
{
float f = (float)j / 20.0F;
f = (f * f + f * 2.0F) / 3.0F;
if ((double)f < 0.1D)
{
return;
}
if (f > 1.0F)
{
f = 1.0F;
}
EntitySapphire_Arrow entityarrow = new EntitySapphire_Arrow(p_77615_2_, p_77615_3_, f * 2.0F);
if (f == 1.0F)
{
entityarrow.setIsCritical(true);
}
int k = EnchantmentHelper.getEnchantmentLevel(Enchantment.power.effectId, p_77615_1_);
if (k > 0)
{
entityarrow.setDamage(entityarrow.getDamage() + (double)k * 0.5D + 0.5D);
}
int l = EnchantmentHelper.getEnchantmentLevel(Enchantment.punch.effectId, p_77615_1_);
if (l > 0)
{
entityarrow.setKnockbackStrength(l);
}
if (EnchantmentHelper.getEnchantmentLevel(Enchantment.flame.effectId, p_77615_1_) > 0)
{
entityarrow.setFire(100);
}
p_77615_1_.damageItem(1, p_77615_3_);
p_77615_2_.playSoundAtEntity(p_77615_3_, "random.bow", 1.0F, 1.0F / (itemRand.nextFloat() * 0.4F + 1.2F) + f * 0.5F);
if (flag)
{
entityarrow.canBePickedUp = 2;
}
else
{
p_77615_3_.inventory.consumeInventoryItem(SapphireCraft.Sapphire_Arrow);
}
if (!p_77615_2_.isRemote)
{
p_77615_2_.spawnEntityInWorld(entityarrow);
}
}
}
public ItemStack onEaten(ItemStack p_77654_1_, World p_77654_2_, EntityPlayer p_77654_3_)
{
return p_77654_1_;
}
/**
* How long it takes to use or consume an item
*/
public int getMaxItemUseDuration(ItemStack p_77626_1_)
{
return 72000;
}
/**
* returns the action that specifies what animation to play when the items is being used
*/
public EnumAction getItemUseAction(ItemStack p_77661_1_)
{
return EnumAction.bow;
}
/**
* Called whenever this item is equipped and the right mouse button is pressed. Args: itemStack, world, entityPlayer
*/
public ItemStack onItemRightClick(ItemStack p_77659_1_, World p_77659_2_, EntityPlayer p_77659_3_)
{
ArrowNockEvent event = new ArrowNockEvent(p_77659_3_, p_77659_1_);
MinecraftForge.EVENT_BUS.post(event);
if (event.isCanceled())
{
return event.result;
}
if (p_77659_3_.capabilities.isCreativeMode || p_77659_3_.inventory.hasItem(SapphireCraft.Sapphire_Arrow))
{
p_77659_3_.setItemInUse(p_77659_1_, this.getMaxItemUseDuration(p_77659_1_));
}
return p_77659_1_;
}
/**
* Return the enchantability factor of the item, most of the time is based on material.
*/
public int getItemEnchantability()
{
return 1;
}
@SideOnly(Side.CLIENT)
public void registerIcons(IIconRegister p_94581_1_)
{
this.itemIcon = p_94581_1_.registerIcon("sc:bow_standby");
this.iconArray = new IIcon[bowPullIconNameArray.length];
for (int i = 0; i < this.iconArray.length; ++i)
{
this.iconArray[i] = p_94581_1_.registerIcon("sc:bow_" + bowPullIconNameArray[i]);
}
}
@Override
@SideOnly(Side.CLIENT)
public IIcon getIcon(ItemStack stack, int renderPass, EntityPlayer player, ItemStack usingItem, int useRemaining) {
if(usingItem == null) { return itemIcon; }
int ticksInUse = stack.getMaxItemUseDuration() - useRemaining;
if (ticksInUse > 17) {
return iconArray[2];
} else if (ticksInUse > 13) {
return iconArray[1];
} else if (ticksInUse > 0) {
return iconArray[0];
} else {
return itemIcon;
}
}
/**
* used to cycle through icons based on their used duration, i.e. for the bow
*/
@SideOnly(Side.CLIENT)
public IIcon getItemIconForUseDuration(int p_94599_1_)
{
return this.iconArray[p_94599_1_];
}
}
我的RenderArrow类：
package tutuicraft3.sapphirecraft.item;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.Render;
import net.minecraft.entity.Entity;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
@SideOnly(Side.CLIENT)
public class RenderSapphire_Arrow extends Render
{
private static final ResourceLocation arrowTextures = new ResourceLocation("textures/entity/arrow.png");
private static final String __OBFID = "CL_00000978";
/**
* Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
* handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
* (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1,
* double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
*/
public void doRender(EntitySapphire_Arrow p_76986_1_, double p_76986_2_, double p_76986_4_, double p_76986_6_, float p_76986_8_, float p_76986_9_)
{
this.bindEntityTexture(p_76986_1_);
GL11.glPushMatrix();
GL11.glTranslatef((float)p_76986_2_, (float)p_76986_4_, (float)p_76986_6_);
GL11.glRotatef(p_76986_1_.prevRotationYaw + (p_76986_1_.rotationYaw - p_76986_1_.prevRotationYaw) * p_76986_9_ - 90.0F, 0.0F, 1.0F, 0.0F);
GL11.glRotatef(p_76986_1_.prevRotationPitch + (p_76986_1_.rotationPitch - p_76986_1_.prevRotationPitch) * p_76986_9_, 0.0F, 0.0F, 1.0F);
Tessellator tessellator = Tessellator.instance;
byte b0 = 0;
float f2 = 0.0F;
float f3 = 0.5F;
float f4 = (float)(0 + b0 * 10) / 32.0F;
float f5 = (float)(5 + b0 * 10) / 32.0F;
float f6 = 0.0F;
float f7 = 0.15625F;
float f8 = (float)(5 + b0 * 10) / 32.0F;
float f9 = (float)(10 + b0 * 10) / 32.0F;
float f10 = 0.05625F;
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
float f11 = (float)p_76986_1_.arrowShake - p_76986_9_;
if (f11 > 0.0F)
{
float f12 = -MathHelper.sin(f11 * 3.0F) * f11;
GL11.glRotatef(f12, 0.0F, 0.0F, 1.0F);
}
GL11.glRotatef(45.0F, 1.0F, 0.0F, 0.0F);
GL11.glScalef(f10, f10, f10);
GL11.glTranslatef(-4.0F, 0.0F, 0.0F);
GL11.glNormal3f(f10, 0.0F, 0.0F);
tessellator.startDrawingQuads();
tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, (double)f6, (double)f8);
tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, (double)f7, (double)f8);
tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, (double)f7, (double)f9);
tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, (double)f6, (double)f9);
tessellator.draw();
GL11.glNormal3f(-f10, 0.0F, 0.0F);
tessellator.startDrawingQuads();
tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, (double)f6, (double)f8);
tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, (double)f7, (double)f8);
tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, (double)f7, (double)f9);
tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, (double)f6, (double)f9);
tessellator.draw();
for (int i = 0; i < 4; ++i)
{
GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
GL11.glNormal3f(0.0F, 0.0F, f10);
tessellator.startDrawingQuads();
tessellator.addVertexWithUV(-8.0D, -2.0D, 0.0D, (double)f2, (double)f4);
tessellator.addVertexWithUV(8.0D, -2.0D, 0.0D, (double)f3, (double)f4);
tessellator.addVertexWithUV(8.0D, 2.0D, 0.0D, (double)f3, (double)f5);
tessellator.addVertexWithUV(-8.0D, 2.0D, 0.0D, (double)f2, (double)f5);
tessellator.draw();
}
GL11.glDisable(GL12.GL_RESCALE_NORMAL);
GL11.glPopMatrix();
}
/**
* Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.
*/
protected ResourceLocation getEntityTexture(Entity p_110775_1_)
{
return arrowTextures;
}
/**
* Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.
*/
protected ResourceLocation getEntityTexture(EntitySapphire_Arrow p_110775_1_)
{
return this.getEntityTexture((EntitySapphire_Arrow)p_110775_1_);
}
/**
* Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
* handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
* (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1,
* double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
*/
public void doRender(Entity p_76986_1_, double p_76986_2_, double p_76986_4_, double p_76986_6_, float p_76986_8_, float p_76986_9_)
{
this.doRender((EntitySapphire_Arrow)p_76986_1_, p_76986_2_, p_76986_4_, p_76986_6_, p_76986_8_, p_76986_9_);
}
}
我的实体箭头代码超出了字符数限制，因此我稍后会发布它。谢谢！