    001package net.minecraft.client.renderer.tileentity;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.block.Block;
    006import net.minecraft.client.renderer.RenderBlocks;
    007import net.minecraft.client.renderer.Tessellator;
    008import net.minecraft.client.renderer.entity.Render;
    009import net.minecraft.client.renderer.entity.RenderItem;
    010import net.minecraft.client.renderer.entity.RenderManager;
    011import net.minecraft.client.renderer.texture.IconRegister;
    012import net.minecraft.client.renderer.texture.TextureCompass;
    013import net.minecraft.entity.Entity;
    014import net.minecraft.entity.item.EntityItem;
    015import net.minecraft.entity.item.EntityItemFrame;
    016import net.minecraft.entity.player.EntityPlayer;
    017import net.minecraft.item.Item;
    018import net.minecraft.item.ItemStack;
    019import net.minecraft.util.Direction;
    020import net.minecraft.util.Icon;
    021import net.minecraft.util.MathHelper;
    022import net.minecraft.world.storage.MapData;
    023import org.lwjgl.opengl.GL11;
    024
    025@SideOnly(Side.CLIENT)
    026public class RenderItemFrame extends Render
    027{
    028    private final RenderBlocks renderBlocksInstance = new RenderBlocks();
    029    private Icon field_94147_f;
    030
    031    public void updateIcons(IconRegister par1IconRegister)
    032    {
    033        this.field_94147_f = par1IconRegister.registerIcon("itemframe_back");
    034    }
    035
    036    public void func_82404_a(EntityItemFrame par1EntityItemFrame, double par2, double par4, double par6, float par8, float par9)
    037    {
    038        GL11.glPushMatrix();
    039        float f2 = (float)(par1EntityItemFrame.posX - par2) - 0.5F;
    040        float f3 = (float)(par1EntityItemFrame.posY - par4) - 0.5F;
    041        float f4 = (float)(par1EntityItemFrame.posZ - par6) - 0.5F;
    042        int i = par1EntityItemFrame.xPosition + Direction.offsetX[par1EntityItemFrame.hangingDirection];
    043        int j = par1EntityItemFrame.yPosition;
    044        int k = par1EntityItemFrame.zPosition + Direction.offsetZ[par1EntityItemFrame.hangingDirection];
    045        GL11.glTranslatef((float)i - f2, (float)j - f3, (float)k - f4);
    046        this.renderFrameItemAsBlock(par1EntityItemFrame);
    047        this.func_82402_b(par1EntityItemFrame);
    048        GL11.glPopMatrix();
    049    }
    050
    051    /**
    052     * Render the item frame's item as a block.
    053     */
    054    private void renderFrameItemAsBlock(EntityItemFrame par1EntityItemFrame)
    055    {
    056        GL11.glPushMatrix();
    057        this.renderManager.renderEngine.bindTexture("/terrain.png");
    058        GL11.glRotatef(par1EntityItemFrame.rotationYaw, 0.0F, 1.0F, 0.0F);
    059        Block block = Block.planks;
    060        float f = 0.0625F;
    061        float f1 = 0.75F;
    062        float f2 = f1 / 2.0F;
    063        GL11.glPushMatrix();
    064        this.renderBlocksInstance.overrideBlockBounds(0.0D, (double)(0.5F - f2 + 0.0625F), (double)(0.5F - f2 + 0.0625F), (double)(f * 0.5F), (double)(0.5F + f2 - 0.0625F), (double)(0.5F + f2 - 0.0625F));
    065        this.renderBlocksInstance.setOverrideBlockTexture(this.field_94147_f);
    066        this.renderBlocksInstance.renderBlockAsItem(block, 0, 1.0F);
    067        this.renderBlocksInstance.clearOverrideBlockTexture();
    068        this.renderBlocksInstance.unlockBlockBounds();
    069        GL11.glPopMatrix();
    070        this.renderBlocksInstance.setOverrideBlockTexture(Block.planks.getIcon(1, 2));
    071        GL11.glPushMatrix();
    072        this.renderBlocksInstance.overrideBlockBounds(0.0D, (double)(0.5F - f2), (double)(0.5F - f2), (double)(f + 1.0E-4F), (double)(f + 0.5F - f2), (double)(0.5F + f2));
    073        this.renderBlocksInstance.renderBlockAsItem(block, 0, 1.0F);
    074        GL11.glPopMatrix();
    075        GL11.glPushMatrix();
    076        this.renderBlocksInstance.overrideBlockBounds(0.0D, (double)(0.5F + f2 - f), (double)(0.5F - f2), (double)(f + 1.0E-4F), (double)(0.5F + f2), (double)(0.5F + f2));
    077        this.renderBlocksInstance.renderBlockAsItem(block, 0, 1.0F);
    078        GL11.glPopMatrix();
    079        GL11.glPushMatrix();
    080        this.renderBlocksInstance.overrideBlockBounds(0.0D, (double)(0.5F - f2), (double)(0.5F - f2), (double)f, (double)(0.5F + f2), (double)(f + 0.5F - f2));
    081        this.renderBlocksInstance.renderBlockAsItem(block, 0, 1.0F);
    082        GL11.glPopMatrix();
    083        GL11.glPushMatrix();
    084        this.renderBlocksInstance.overrideBlockBounds(0.0D, (double)(0.5F - f2), (double)(0.5F + f2 - f), (double)f, (double)(0.5F + f2), (double)(0.5F + f2));
    085        this.renderBlocksInstance.renderBlockAsItem(block, 0, 1.0F);
    086        GL11.glPopMatrix();
    087        this.renderBlocksInstance.unlockBlockBounds();
    088        this.renderBlocksInstance.clearOverrideBlockTexture();
    089        GL11.glPopMatrix();
    090    }
    091
    092    private void func_82402_b(EntityItemFrame par1EntityItemFrame)
    093    {
    094        ItemStack itemstack = par1EntityItemFrame.getDisplayedItem();
    095
    096        if (itemstack != null)
    097        {
    098            EntityItem entityitem = new EntityItem(par1EntityItemFrame.worldObj, 0.0D, 0.0D, 0.0D, itemstack);
    099            entityitem.getEntityItem().stackSize = 1;
    100            entityitem.hoverStart = 0.0F;
    101            GL11.glPushMatrix();
    102            GL11.glTranslatef(-0.453125F * (float)Direction.offsetX[par1EntityItemFrame.hangingDirection], -0.18F, -0.453125F * (float)Direction.offsetZ[par1EntityItemFrame.hangingDirection]);
    103            GL11.glRotatef(180.0F + par1EntityItemFrame.rotationYaw, 0.0F, 1.0F, 0.0F);
    104            GL11.glRotatef((float)(-90 * par1EntityItemFrame.getRotation()), 0.0F, 0.0F, 1.0F);
    105
    106            switch (par1EntityItemFrame.getRotation())
    107            {
    108                case 1:
    109                    GL11.glTranslatef(-0.16F, -0.16F, 0.0F);
    110                    break;
    111                case 2:
    112                    GL11.glTranslatef(0.0F, -0.32F, 0.0F);
    113                    break;
    114                case 3:
    115                    GL11.glTranslatef(0.16F, -0.16F, 0.0F);
    116            }
    117
    118            if (entityitem.getEntityItem().getItem() == Item.map)
    119            {
    120                this.renderManager.renderEngine.bindTexture("/misc/mapbg.png");
    121                Tessellator tessellator = Tessellator.instance;
    122                GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
    123                GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
    124                GL11.glScalef(0.00390625F, 0.00390625F, 0.00390625F);
    125                GL11.glTranslatef(-65.0F, -107.0F, -3.0F);
    126                GL11.glNormal3f(0.0F, 0.0F, -1.0F);
    127                tessellator.startDrawingQuads();
    128                byte b0 = 7;
    129                tessellator.addVertexWithUV((double)(0 - b0), (double)(128 + b0), 0.0D, 0.0D, 1.0D);
    130                tessellator.addVertexWithUV((double)(128 + b0), (double)(128 + b0), 0.0D, 1.0D, 1.0D);
    131                tessellator.addVertexWithUV((double)(128 + b0), (double)(0 - b0), 0.0D, 1.0D, 0.0D);
    132                tessellator.addVertexWithUV((double)(0 - b0), (double)(0 - b0), 0.0D, 0.0D, 0.0D);
    133                tessellator.draw();
    134                MapData mapdata = Item.map.getMapData(entityitem.getEntityItem(), par1EntityItemFrame.worldObj);
    135                GL11.glTranslatef(0.0F, 0.0F, -1.0F);
    136
    137                if (mapdata != null)
    138                {
    139                    this.renderManager.itemRenderer.mapItemRenderer.renderMap((EntityPlayer)null, this.renderManager.renderEngine, mapdata);
    140                }
    141            }
    142            else
    143            {
    144                TextureCompass texturecompass;
    145
    146                if (entityitem.getEntityItem().getItem() == Item.compass)
    147                {
    148                    texturecompass = TextureCompass.compassTexture;
    149                    double d0 = texturecompass.currentAngle;
    150                    double d1 = texturecompass.angleDelta;
    151                    texturecompass.currentAngle = 0.0D;
    152                    texturecompass.angleDelta = 0.0D;
    153                    texturecompass.updateCompass(par1EntityItemFrame.worldObj, par1EntityItemFrame.posX, par1EntityItemFrame.posZ, (double)MathHelper.wrapAngleTo180_float((float)(180 + par1EntityItemFrame.hangingDirection * 90)), false, true);
    154                    texturecompass.currentAngle = d0;
    155                    texturecompass.angleDelta = d1;
    156                }
    157
    158                RenderItem.renderInFrame = true;
    159                RenderManager.instance.renderEntityWithPosYaw(entityitem, 0.0D, 0.0D, 0.0D, 0.0F, 0.0F);
    160                RenderItem.renderInFrame = false;
    161
    162                if (entityitem.getEntityItem().getItem() == Item.compass)
    163                {
    164                    texturecompass = TextureCompass.compassTexture;
    165                    texturecompass.updateAnimation();
    166                }
    167            }
    168
    169            GL11.glPopMatrix();
    170        }
    171    }
    172
    173    /**
    174     * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
    175     * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
    176     * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1,
    177     * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
    178     */
    179    public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
    180    {
    181        this.func_82404_a((EntityItemFrame)par1Entity, par2, par4, par6, par8, par9);
    182    }
    183}