package org.lwjgl.util.vma;

import java.nio.ByteBuffer;
import javax.annotation.Nullable;
import org.lwjgl.BufferUtils;
import org.lwjgl.system.MemoryStack;
import org.lwjgl.system.MemoryUtil;
import org.lwjgl.system.NativeResource;
import org.lwjgl.system.NativeType;
import org.lwjgl.system.Struct;
import org.lwjgl.system.StructBuffer;

public class VmaVirtualAllocationInfo extends Struct<VmaVirtualAllocationInfo> implements NativeResource {
   public static final int SIZEOF;
   public static final int ALIGNOF;
   public static final int OFFSET;
   public static final int SIZE;
   public static final int PUSERDATA;

   protected VmaVirtualAllocationInfo(long address, @Nullable ByteBuffer container) {
      super(address, container);
   }

   protected VmaVirtualAllocationInfo create(long address, @Nullable ByteBuffer container) {
      return new VmaVirtualAllocationInfo(address, container);
   }

   public VmaVirtualAllocationInfo(ByteBuffer container) {
      super(MemoryUtil.memAddress(container), __checkContainer(container, SIZEOF));
   }

   public int sizeof() {
      return SIZEOF;
   }

   @NativeType("VkDeviceSize")
   public long offset() {
      return noffset(this.address());
   }

   @NativeType("VkDeviceSize")
   public long size() {
      return nsize(this.address());
   }

   @NativeType("void *")
   public long pUserData() {
      return npUserData(this.address());
   }

   public static VmaVirtualAllocationInfo malloc() {
      return new VmaVirtualAllocationInfo(MemoryUtil.nmemAllocChecked((long)SIZEOF), (ByteBuffer)null);
   }

   public static VmaVirtualAllocationInfo calloc() {
      return new VmaVirtualAllocationInfo(MemoryUtil.nmemCallocChecked(1L, (long)SIZEOF), (ByteBuffer)null);
   }

   public static VmaVirtualAllocationInfo create() {
      ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
      return new VmaVirtualAllocationInfo(MemoryUtil.memAddress(container), container);
   }

   public static VmaVirtualAllocationInfo create(long address) {
      return new VmaVirtualAllocationInfo(address, (ByteBuffer)null);
   }

   @Nullable
   public static VmaVirtualAllocationInfo createSafe(long address) {
      return address == 0L ? null : new VmaVirtualAllocationInfo(address, (ByteBuffer)null);
   }

   public static Buffer malloc(int capacity) {
      return new Buffer(MemoryUtil.nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
   }

   public static Buffer calloc(int capacity) {
      return new Buffer(MemoryUtil.nmemCallocChecked((long)capacity, (long)SIZEOF), capacity);
   }

   public static Buffer create(int capacity) {
      ByteBuffer container = __create(capacity, SIZEOF);
      return new Buffer(MemoryUtil.memAddress(container), container, -1, 0, capacity, capacity);
   }

   public static Buffer create(long address, int capacity) {
      return new Buffer(address, capacity);
   }

   @Nullable
   public static Buffer createSafe(long address, int capacity) {
      return address == 0L ? null : new Buffer(address, capacity);
   }

   public static VmaVirtualAllocationInfo malloc(MemoryStack stack) {
      return new VmaVirtualAllocationInfo(stack.nmalloc(ALIGNOF, SIZEOF), (ByteBuffer)null);
   }

   public static VmaVirtualAllocationInfo calloc(MemoryStack stack) {
      return new VmaVirtualAllocationInfo(stack.ncalloc(ALIGNOF, 1, SIZEOF), (ByteBuffer)null);
   }

   public static Buffer malloc(int capacity, MemoryStack stack) {
      return new Buffer(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
   }

   public static Buffer calloc(int capacity, MemoryStack stack) {
      return new Buffer(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
   }

   public static long noffset(long struct) {
      return UNSAFE.getLong((Object)null, struct + (long)OFFSET);
   }

   public static long nsize(long struct) {
      return UNSAFE.getLong((Object)null, struct + (long)SIZE);
   }

   public static long npUserData(long struct) {
      return MemoryUtil.memGetAddress(struct + (long)PUSERDATA);
   }

   static {
      Struct.Layout layout = __struct(new Struct.Member[]{__member(8), __member(8), __member(POINTER_SIZE)});
      SIZEOF = layout.getSize();
      ALIGNOF = layout.getAlignment();
      OFFSET = layout.offsetof(0);
      SIZE = layout.offsetof(1);
      PUSERDATA = layout.offsetof(2);
   }

   public static class Buffer extends StructBuffer<VmaVirtualAllocationInfo, Buffer> implements NativeResource {
      private static final VmaVirtualAllocationInfo ELEMENT_FACTORY = VmaVirtualAllocationInfo.create(-1L);

      public Buffer(ByteBuffer container) {
         super(container, container.remaining() / VmaVirtualAllocationInfo.SIZEOF);
      }

      public Buffer(long address, int cap) {
         super(address, (ByteBuffer)null, -1, 0, cap, cap);
      }

      Buffer(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
         super(address, container, mark, pos, lim, cap);
      }

      protected Buffer self() {
         return this;
      }

      protected VmaVirtualAllocationInfo getElementFactory() {
         return ELEMENT_FACTORY;
      }

      @NativeType("VkDeviceSize")
      public long offset() {
         return VmaVirtualAllocationInfo.noffset(this.address());
      }

      @NativeType("VkDeviceSize")
      public long size() {
         return VmaVirtualAllocationInfo.nsize(this.address());
      }

      @NativeType("void *")
      public long pUserData() {
         return VmaVirtualAllocationInfo.npUserData(this.address());
      }
   }
}