gistfile1.java

package net.minecraft.client.renderer;
import coloredlightscore.src.helper.CLTessellatorHelper;
import java.nio.ByteOrder;
import java.util.Comparator;
import java.util.PriorityQueue;
import net.minecraft.client.util.QuadComparator;
import net.minecraft.client.shader.TesselatorVertexState;
import org.lwjgl.opengl.GL11;
import java.nio.ShortBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.ByteBuffer;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import coloredlightscore.src.types.CLTessellatorInterface;
@SideOnly(Side.CLIENT)
public class Tessellator implements CLTessellatorInterface
{
    private static int nativeBufferSize;
    private static int trivertsInBuffer;
    public static boolean renderingWorldRenderer;
    public boolean defaultTexture;
    private int rawBufferSize;
    public int textureID;
    private static ByteBuffer byteBuffer;
    private static IntBuffer intBuffer;
    private static FloatBuffer floatBuffer;
    private static ShortBuffer shortBuffer;
    public int[] rawBuffer;
    public int vertexCount;
    public double textureU;
    public double textureV;
    public int brightness;
    public int color;
    public boolean hasColor;
    public boolean hasTexture;
    public boolean hasBrightness;
    public boolean hasNormals;
    public int rawBufferIndex;
    public int addedVertices;
    private boolean isColorDisabled;
    public int drawMode;
    public double xOffset;
    public double yOffset;
    public double zOffset;
    public int normal;
    public static final Tessellator instance;
    public boolean isDrawing;
    private int bufferSize;
    private static final String __OBFID = "CL_00000960";
    private Tessellator(final int p_i1250_1_) {
        super();
        this.defaultTexture = false;
        this.rawBufferSize = 0;
        this.textureID = 0;
    }
    public Tessellator() {
        super();
        this.defaultTexture = false;
        this.rawBufferSize = 0;
        this.textureID = 0;
    }
    public int draw() {
        if (!this.isDrawing) {
            throw new IllegalStateException("Not tesselating!");
        }
        this.isDrawing = false;
        int offs = 0;
        while (offs < this.vertexCount) {
            final int vtc = Math.min(this.vertexCount - offs, Tessellator.nativeBufferSize / 40);
            Tessellator.intBuffer.clear();
            Tessellator.intBuffer.put(this.rawBuffer, offs * 10, vtc * 10);
            Tessellator.byteBuffer.position(0);
            Tessellator.byteBuffer.limit(vtc * 40);
            offs += vtc;
            if (this.hasTexture) {
                Tessellator.floatBuffer.position(3);
                GL11.glTexCoordPointer(2, 40, Tessellator.floatBuffer);
                GL11.glEnableClientState(32888);
            }
            if (this.hasBrightness) {
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
                Tessellator.shortBuffer.position(14);
                GL11.glTexCoordPointer(3, 40, Tessellator.shortBuffer);
                OpenGlHelper.setClientActiveTexture(33986);
                Tessellator.byteBuffer.position(31);
                GL11.glTexCoordPointer(3, 40, Tessellator.shortBuffer);
                GL11.glEnableClientState(32888);
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
            }
            if (this.hasColor) {
                Tessellator.byteBuffer.position(20);
                GL11.glColorPointer(4, true, 40, Tessellator.byteBuffer);
                GL11.glEnableClientState(32886);
            }
            if (this.hasNormals) {
                Tessellator.byteBuffer.position(24);
                GL11.glNormalPointer(40, Tessellator.byteBuffer);
                GL11.glEnableClientState(32885);
            }
            Tessellator.floatBuffer.position(0);
            GL11.glVertexPointer(3, 40, Tessellator.floatBuffer);
            GL11.glEnableClientState(32884);
            GL11.glDrawArrays(this.drawMode, 0, vtc);
            GL11.glDisableClientState(32884);
            if (this.hasTexture) {
                GL11.glDisableClientState(32888);
            }
            if (this.hasBrightness) {
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
                GL11.glDisableClientState(32888);
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
            }
            if (this.hasColor) {
                GL11.glDisableClientState(32886);
            }
            if (this.hasNormals) {
                GL11.glDisableClientState(32885);
            }
        }
        if (this.rawBufferSize > 131072 && this.rawBufferIndex < this.rawBufferSize << 3) {
            this.rawBufferSize = 65536;
            this.rawBuffer = new int[this.rawBufferSize];
        }
        final int i = this.rawBufferIndex * 4;
        this.reset();
        return i;
    }
    public TesselatorVertexState getVertexState(final float p_147564_1_, final float p_147564_2_, final float p_147564_3_) {
        final int[] aint = new int[this.rawBufferIndex];
        final PriorityQueue priorityqueue = new PriorityQueue(this.rawBufferIndex, new QuadComparator(this.rawBuffer, p_147564_1_ + (float)this.xOffset, p_147564_2_ + (float)this.yOffset, p_147564_3_ + (float)this.zOffset));
        final byte b0 = 40;
        for (int i = 0; i < this.rawBufferIndex; i += b0) {
            priorityqueue.add(i);
        }
        int i = 0;
        while (!priorityqueue.isEmpty()) {
            final int j = (int)priorityqueue.remove();
            for (int k = 0; k < b0; ++k) {
                aint[i + k] = this.rawBuffer[j + k];
            }
            i += b0;
        }
        System.arraycopy(aint, 0, this.rawBuffer, 0, aint.length);
        return new TesselatorVertexState(aint, this.rawBufferIndex, this.vertexCount, this.hasTexture, this.hasBrightness, this.hasNormals, this.hasColor);
    }
    public void setVertexState(final TesselatorVertexState p_147565_1_) {
        while (p_147565_1_.getRawBuffer().length > this.rawBufferSize && this.rawBufferSize > 0) {
            this.rawBufferSize <<= 1;
        }
        if (this.rawBufferSize > this.rawBuffer.length) {
            this.rawBuffer = new int[this.rawBufferSize];
        }
        System.arraycopy(p_147565_1_.getRawBuffer(), 0, this.rawBuffer, 0, p_147565_1_.getRawBuffer().length);
        this.rawBufferIndex = p_147565_1_.getRawBufferIndex();
        this.vertexCount = p_147565_1_.getVertexCount();
        this.hasTexture = p_147565_1_.getHasTexture();
        this.hasBrightness = p_147565_1_.getHasBrightness();
        this.hasColor = p_147565_1_.getHasColor();
        this.hasNormals = p_147565_1_.getHasNormals();
    }
    private void reset() {
        this.vertexCount = 0;
        Tessellator.byteBuffer.clear();
        this.rawBufferIndex = 0;
        this.addedVertices = 0;
    }
    public void startDrawingQuads() {
        this.startDrawing(7);
    }
    public void startDrawing(final int p_78371_1_) {
        if (this.isDrawing) {
            throw new IllegalStateException("Already tesselating!");
        }
        this.isDrawing = true;
        this.reset();
        this.drawMode = p_78371_1_;
        this.hasNormals = false;
        this.hasColor = false;
        this.hasTexture = false;
        this.hasBrightness = false;
        this.isColorDisabled = false;
    }
    public void setTextureUV(final double p_78385_1_, final double p_78385_3_) {
        this.hasTexture = true;
        this.textureU = p_78385_1_;
        this.textureV = p_78385_3_;
    }
    public void setBrightness(final int p_78380_1_) {
        this.hasBrightness = true;
        this.brightness = p_78380_1_;
    }
    public void setColorOpaque_F(final float p_78386_1_, final float p_78386_2_, final float p_78386_3_) {
        this.setColorOpaque((int)(p_78386_1_ * 255.0f), (int)(p_78386_2_ * 255.0f), (int)(p_78386_3_ * 255.0f));
    }
    public void setColorRGBA_F(final float p_78369_1_, final float p_78369_2_, final float p_78369_3_, final float p_78369_4_) {
        this.setColorRGBA((int)(p_78369_1_ * 255.0f), (int)(p_78369_2_ * 255.0f), (int)(p_78369_3_ * 255.0f), (int)(p_78369_4_ * 255.0f));
    }
    public void setColorOpaque(final int p_78376_1_, final int p_78376_2_, final int p_78376_3_) {
        this.setColorRGBA(p_78376_1_, p_78376_2_, p_78376_3_, 255);
    }
    public void setColorRGBA(int p_78370_1_, int p_78370_2_, int p_78370_3_, int p_78370_4_) {
        if (!this.isColorDisabled) {
            if (p_78370_1_ > 255) {
                p_78370_1_ = 255;
            }
            if (p_78370_2_ > 255) {
                p_78370_2_ = 255;
            }
            if (p_78370_3_ > 255) {
                p_78370_3_ = 255;
            }
            if (p_78370_4_ > 255) {
                p_78370_4_ = 255;
            }
            if (p_78370_1_ < 0) {
                p_78370_1_ = 0;
            }
            if (p_78370_2_ < 0) {
                p_78370_2_ = 0;
            }
            if (p_78370_3_ < 0) {
                p_78370_3_ = 0;
            }
            if (p_78370_4_ < 0) {
                p_78370_4_ = 0;
            }
            this.hasColor = true;
            if (ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN) {
                this.color = (p_78370_4_ << 24 | p_78370_3_ << 16 | p_78370_2_ << 8 | p_78370_1_);
            }
            else {
                this.color = (p_78370_1_ << 24 | p_78370_2_ << 16 | p_78370_3_ << 8 | p_78370_4_);
            }
        }
    }
    public void func_154352_a(final byte p_154352_1_, final byte p_154352_2_, final byte p_154352_3_) {
        this.setColorOpaque(p_154352_1_ & 0xFF, p_154352_2_ & 0xFF, p_154352_3_ & 0xFF);
    }
    public void addVertexWithUV(final double p_78374_1_, final double p_78374_3_, final double p_78374_5_, final double p_78374_7_, final double p_78374_9_) {
        this.setTextureUV(p_78374_7_, p_78374_9_);
        this.addVertex(p_78374_1_, p_78374_3_, p_78374_5_);
    }
    public void addVertex(final double par1, final double par2, final double par3) {
        CLTessellatorHelper.addVertex(this, par1, par2, par3);
    }
    public void setColorOpaque_I(final int p_78378_1_) {
        final int j = p_78378_1_ >> 16 & 0xFF;
        final int k = p_78378_1_ >> 8 & 0xFF;
        final int l = p_78378_1_ & 0xFF;
        this.setColorOpaque(j, k, l);
    }
    public void setColorRGBA_I(final int p_78384_1_, final int p_78384_2_) {
        final int k = p_78384_1_ >> 16 & 0xFF;
        final int l = p_78384_1_ >> 8 & 0xFF;
        final int i1 = p_78384_1_ & 0xFF;
        this.setColorRGBA(k, l, i1, p_78384_2_);
    }
    public void disableColor() {
        this.isColorDisabled = true;
    }
    public void setNormal(final float p_78375_1_, final float p_78375_2_, final float p_78375_3_) {
        this.hasNormals = true;
        final byte b0 = (byte)(p_78375_1_ * 127.0f);
        final byte b = (byte)(p_78375_2_ * 127.0f);
        final byte b2 = (byte)(p_78375_3_ * 127.0f);
        this.normal = ((b0 & 0xFF) | (b & 0xFF) << 8 | (b2 & 0xFF) << 16);
    }
    public void setTranslation(final double p_78373_1_, final double p_78373_3_, final double p_78373_5_) {
        this.xOffset = p_78373_1_;
        this.yOffset = p_78373_3_;
        this.zOffset = p_78373_5_;
    }
    public void addTranslation(final float p_78372_1_, final float p_78372_2_, final float p_78372_3_) {
        this.xOffset += p_78372_1_;
        this.yOffset += p_78372_2_;
        this.zOffset += p_78372_3_;
    }
    static {
        Tessellator.nativeBufferSize = 2097152;
        Tessellator.trivertsInBuffer = Tessellator.nativeBufferSize / 48 * 6;
        Tessellator.renderingWorldRenderer = false;
        Tessellator.byteBuffer = GLAllocation.createDirectByteBuffer(Tessellator.nativeBufferSize * 4);
        Tessellator.intBuffer = Tessellator.byteBuffer.asIntBuffer();
        Tessellator.floatBuffer = Tessellator.byteBuffer.asFloatBuffer();
        Tessellator.shortBuffer = Tessellator.byteBuffer.asShortBuffer();
        instance = new Tessellator(2097152);
        Tessellator.instance.defaultTexture = true;
    }
    @Override
    public int getRawBufferSize() {
        return this.rawBufferSize;
    }
    @Override
    public void setRawBufferSize(final int rawBufferSize) {
        this.rawBufferSize = rawBufferSize;
    }
}