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A library that provides algorithms to help optimize meshes.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.util.meshoptimizer;
import org.jspecify.annotations.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.Checks.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* Layout
*
*
* struct meshopt_Bounds {
* float {@link #center}[3];
* float radius;
* float {@link #cone_apex}[3];
* float cone_axis[3];
* float {@link #cone_cutoff};
* char {@link #cone_axis_s8}[3];
* char cone_cutoff_s8;
* }
*/
@NativeType("struct meshopt_Bounds")
public class MeshoptBounds extends Struct implements NativeResource {
/** The struct size in bytes. */
public static final int SIZEOF;
/** The struct alignment in bytes. */
public static final int ALIGNOF;
/** The struct member offsets. */
public static final int
CENTER,
RADIUS,
CONE_APEX,
CONE_AXIS,
CONE_CUTOFF,
CONE_AXIS_S8,
CONE_CUTOFF_S8;
static {
Layout layout = __struct(
__array(4, 3),
__member(4),
__array(4, 3),
__array(4, 3),
__member(4),
__array(1, 3),
__member(1)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
CENTER = layout.offsetof(0);
RADIUS = layout.offsetof(1);
CONE_APEX = layout.offsetof(2);
CONE_AXIS = layout.offsetof(3);
CONE_CUTOFF = layout.offsetof(4);
CONE_AXIS_S8 = layout.offsetof(5);
CONE_CUTOFF_S8 = layout.offsetof(6);
}
protected MeshoptBounds(long address, @Nullable ByteBuffer container) {
super(address, container);
}
@Override
protected MeshoptBounds create(long address, @Nullable ByteBuffer container) {
return new MeshoptBounds(address, container);
}
/**
* Creates a {@code MeshoptBounds} instance at the current position of the specified {@link ByteBuffer} container. Changes to the buffer's content will be
* visible to the struct instance and vice versa.
*
* The created instance holds a strong reference to the container object.
*/
public MeshoptBounds(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** bounding sphere, useful for frustum and occlusion culling */
@NativeType("float[3]")
public FloatBuffer center() { return ncenter(address()); }
/** bounding sphere, useful for frustum and occlusion culling */
public float center(int index) { return ncenter(address(), index); }
/** @return the value of the {@code radius} field. */
public float radius() { return nradius(address()); }
/** normal cone, useful for backface culling */
@NativeType("float[3]")
public FloatBuffer cone_apex() { return ncone_apex(address()); }
/** normal cone, useful for backface culling */
public float cone_apex(int index) { return ncone_apex(address(), index); }
/** @return a {@link FloatBuffer} view of the {@code cone_axis} field. */
@NativeType("float[3]")
public FloatBuffer cone_axis() { return ncone_axis(address()); }
/** @return the value at the specified index of the {@code cone_axis} field. */
public float cone_axis(int index) { return ncone_axis(address(), index); }
/** {@code cos(angle/2)} */
public float cone_cutoff() { return ncone_cutoff(address()); }
/** normal cone axis and cutoff, stored in 8-bit {@code SNORM} format; decode using {@code x/127.0} */
@NativeType("char[3]")
public ByteBuffer cone_axis_s8() { return ncone_axis_s8(address()); }
/** normal cone axis and cutoff, stored in 8-bit {@code SNORM} format; decode using {@code x/127.0} */
@NativeType("char")
public byte cone_axis_s8(int index) { return ncone_axis_s8(address(), index); }
/** @return the value of the {@code cone_cutoff_s8} field. */
@NativeType("char")
public byte cone_cutoff_s8() { return ncone_cutoff_s8(address()); }
// -----------------------------------
/** Returns a new {@code MeshoptBounds} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static MeshoptBounds malloc() {
return new MeshoptBounds(nmemAllocChecked(SIZEOF), null);
}
/** Returns a new {@code MeshoptBounds} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static MeshoptBounds calloc() {
return new MeshoptBounds(nmemCallocChecked(1, SIZEOF), null);
}
/** Returns a new {@code MeshoptBounds} instance allocated with {@link BufferUtils}. */
public static MeshoptBounds create() {
ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
return new MeshoptBounds(memAddress(container), container);
}
/** Returns a new {@code MeshoptBounds} instance for the specified memory address. */
public static MeshoptBounds create(long address) {
return new MeshoptBounds(address, null);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static @Nullable MeshoptBounds createSafe(long address) {
return address == NULL ? null : new MeshoptBounds(address, null);
}
/**
* Returns a new {@link MeshoptBounds.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static MeshoptBounds.Buffer malloc(int capacity) {
return new Buffer(nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
}
/**
* Returns a new {@link MeshoptBounds.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static MeshoptBounds.Buffer calloc(int capacity) {
return new Buffer(nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link MeshoptBounds.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static MeshoptBounds.Buffer create(int capacity) {
ByteBuffer container = __create(capacity, SIZEOF);
return new Buffer(memAddress(container), container, -1, 0, capacity, capacity);
}
/**
* Create a {@link MeshoptBounds.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static MeshoptBounds.Buffer create(long address, int capacity) {
return new Buffer(address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static MeshoptBounds.@Nullable Buffer createSafe(long address, int capacity) {
return address == NULL ? null : new Buffer(address, capacity);
}
/**
* Returns a new {@code MeshoptBounds} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static MeshoptBounds malloc(MemoryStack stack) {
return new MeshoptBounds(stack.nmalloc(ALIGNOF, SIZEOF), null);
}
/**
* Returns a new {@code MeshoptBounds} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static MeshoptBounds calloc(MemoryStack stack) {
return new MeshoptBounds(stack.ncalloc(ALIGNOF, 1, SIZEOF), null);
}
/**
* Returns a new {@link MeshoptBounds.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static MeshoptBounds.Buffer malloc(int capacity, MemoryStack stack) {
return new Buffer(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link MeshoptBounds.Buffer} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static MeshoptBounds.Buffer calloc(int capacity, MemoryStack stack) {
return new Buffer(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #center}. */
public static FloatBuffer ncenter(long struct) { return memFloatBuffer(struct + MeshoptBounds.CENTER, 3); }
/** Unsafe version of {@link #center(int) center}. */
public static float ncenter(long struct, int index) {
return memGetFloat(struct + MeshoptBounds.CENTER + check(index, 3) * 4);
}
/** Unsafe version of {@link #radius}. */
public static float nradius(long struct) { return memGetFloat(struct + MeshoptBounds.RADIUS); }
/** Unsafe version of {@link #cone_apex}. */
public static FloatBuffer ncone_apex(long struct) { return memFloatBuffer(struct + MeshoptBounds.CONE_APEX, 3); }
/** Unsafe version of {@link #cone_apex(int) cone_apex}. */
public static float ncone_apex(long struct, int index) {
return memGetFloat(struct + MeshoptBounds.CONE_APEX + check(index, 3) * 4);
}
/** Unsafe version of {@link #cone_axis}. */
public static FloatBuffer ncone_axis(long struct) { return memFloatBuffer(struct + MeshoptBounds.CONE_AXIS, 3); }
/** Unsafe version of {@link #cone_axis(int) cone_axis}. */
public static float ncone_axis(long struct, int index) {
return memGetFloat(struct + MeshoptBounds.CONE_AXIS + check(index, 3) * 4);
}
/** Unsafe version of {@link #cone_cutoff}. */
public static float ncone_cutoff(long struct) { return memGetFloat(struct + MeshoptBounds.CONE_CUTOFF); }
/** Unsafe version of {@link #cone_axis_s8}. */
public static ByteBuffer ncone_axis_s8(long struct) { return memByteBuffer(struct + MeshoptBounds.CONE_AXIS_S8, 3); }
/** Unsafe version of {@link #cone_axis_s8(int) cone_axis_s8}. */
public static byte ncone_axis_s8(long struct, int index) {
return memGetByte(struct + MeshoptBounds.CONE_AXIS_S8 + check(index, 3) * 1);
}
/** Unsafe version of {@link #cone_cutoff_s8}. */
public static byte ncone_cutoff_s8(long struct) { return memGetByte(struct + MeshoptBounds.CONE_CUTOFF_S8); }
// -----------------------------------
/** An array of {@link MeshoptBounds} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
private static final MeshoptBounds ELEMENT_FACTORY = MeshoptBounds.create(-1L);
/**
* Creates a new {@code MeshoptBounds.Buffer} instance backed by the specified container.
*
* Changes to the container's content will be visible to the struct buffer instance and vice versa. The two buffers' position, limit, and mark values
* will be independent. The new buffer's position will be zero, its capacity and its limit will be the number of bytes remaining in this buffer divided
* by {@link MeshoptBounds#SIZEOF}, and its mark will be undefined.
*
* The created buffer instance holds a strong reference to the container object.
*/
public Buffer(ByteBuffer container) {
super(container, container.remaining() / SIZEOF);
}
public Buffer(long address, int cap) {
super(address, 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);
}
@Override
protected Buffer self() {
return this;
}
@Override
protected Buffer create(long address, @Nullable ByteBuffer container, int mark, int position, int limit, int capacity) {
return new Buffer(address, container, mark, position, limit, capacity);
}
@Override
protected MeshoptBounds getElementFactory() {
return ELEMENT_FACTORY;
}
/** @return a {@link FloatBuffer} view of the {@link MeshoptBounds#center} field. */
@NativeType("float[3]")
public FloatBuffer center() { return MeshoptBounds.ncenter(address()); }
/** @return the value at the specified index of the {@link MeshoptBounds#center} field. */
public float center(int index) { return MeshoptBounds.ncenter(address(), index); }
/** @return the value of the {@code radius} field. */
public float radius() { return MeshoptBounds.nradius(address()); }
/** @return a {@link FloatBuffer} view of the {@link MeshoptBounds#cone_apex} field. */
@NativeType("float[3]")
public FloatBuffer cone_apex() { return MeshoptBounds.ncone_apex(address()); }
/** @return the value at the specified index of the {@link MeshoptBounds#cone_apex} field. */
public float cone_apex(int index) { return MeshoptBounds.ncone_apex(address(), index); }
/** @return a {@link FloatBuffer} view of the {@code cone_axis} field. */
@NativeType("float[3]")
public FloatBuffer cone_axis() { return MeshoptBounds.ncone_axis(address()); }
/** @return the value at the specified index of the {@code cone_axis} field. */
public float cone_axis(int index) { return MeshoptBounds.ncone_axis(address(), index); }
/** @return the value of the {@link MeshoptBounds#cone_cutoff} field. */
public float cone_cutoff() { return MeshoptBounds.ncone_cutoff(address()); }
/** @return a {@link ByteBuffer} view of the {@link MeshoptBounds#cone_axis_s8} field. */
@NativeType("char[3]")
public ByteBuffer cone_axis_s8() { return MeshoptBounds.ncone_axis_s8(address()); }
/** @return the value at the specified index of the {@link MeshoptBounds#cone_axis_s8} field. */
@NativeType("char")
public byte cone_axis_s8(int index) { return MeshoptBounds.ncone_axis_s8(address(), index); }
/** @return the value of the {@code cone_cutoff_s8} field. */
@NativeType("char")
public byte cone_cutoff_s8() { return MeshoptBounds.ncone_cutoff_s8(address()); }
}
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