DebugRendererHeightMap.java 文件源码

public void render(float p_190060_1_, long p_190060_2_)
{
    EntityPlayer entityplayer = this.minecraft.thePlayer;
    World world = this.minecraft.theWorld;
    double d0 = entityplayer.lastTickPosX + (entityplayer.posX - entityplayer.lastTickPosX) * (double)p_190060_1_;
    double d1 = entityplayer.lastTickPosY + (entityplayer.posY - entityplayer.lastTickPosY) * (double)p_190060_1_;
    double d2 = entityplayer.lastTickPosZ + (entityplayer.posZ - entityplayer.lastTickPosZ) * (double)p_190060_1_;
    GlStateManager.pushMatrix();
    GlStateManager.enableBlend();
    GlStateManager.tryBlendFuncSeparate(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA, GlStateManager.SourceFactor.ONE, GlStateManager.DestFactor.ZERO);
    GlStateManager.disableTexture2D();
    BlockPos blockpos = new BlockPos(entityplayer.posX, 0.0D, entityplayer.posZ);
    Iterable<BlockPos> iterable = BlockPos.MutableBlockPos.getAllInBox(blockpos.add(-40, 0, -40), blockpos.add(40, 0, 40));
    Tessellator tessellator = Tessellator.getInstance();
    VertexBuffer vertexbuffer = tessellator.getBuffer();
    vertexbuffer.begin(5, DefaultVertexFormats.POSITION_COLOR);

    for (BlockPos blockpos1 : iterable)
    {
        int i = world.getHeightmapHeight(blockpos1.getX(), blockpos1.getZ());

        if (world.getBlockState(blockpos1.add(0, i, 0).down()) == Blocks.AIR.getDefaultState())
        {
            RenderGlobal.addChainedFilledBoxVertices(vertexbuffer, (double)((float)blockpos1.getX() + 0.25F) - d0, (double)i - d1, (double)((float)blockpos1.getZ() + 0.25F) - d2, (double)((float)blockpos1.getX() + 0.75F) - d0, (double)i + 0.09375D - d1, (double)((float)blockpos1.getZ() + 0.75F) - d2, 0.0F, 0.0F, 1.0F, 0.5F);
        }
        else
        {
            RenderGlobal.addChainedFilledBoxVertices(vertexbuffer, (double)((float)blockpos1.getX() + 0.25F) - d0, (double)i - d1, (double)((float)blockpos1.getZ() + 0.25F) - d2, (double)((float)blockpos1.getX() + 0.75F) - d0, (double)i + 0.09375D - d1, (double)((float)blockpos1.getZ() + 0.75F) - d2, 0.0F, 1.0F, 0.0F, 0.5F);
        }
    }

    tessellator.draw();
    GlStateManager.enableTexture2D();
    GlStateManager.popMatrix();
}