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Generate parametric surfaces and other simple shapes.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.util.par;
import javax.annotation.*;
import java.nio.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
/**
* The {@code par_shapes.h} mesh structure.
*
* LWJGL note: in the default build, {@code PAR_SHAPES_T} is {@code uint32_t}.
*
* Member documentation
*
*
* - {@code points} – a flat list of 3-tuples (X Y Z X Y Z...) for the vertex positions
* - {@code npoints} – the number of points
* - {@code triangles} – flat list of 3-tuples (I J K I J K...)
* - {@code ntriangles} – the number of triangles
* - {@code normals} – an optional list of 3-tuples (X Y Z X Y Z...) for the vertex normals
* - {@code tcoords} – an optional list of 2-tuples (U V U V U V...) for the vertex texture coordinates
*
*
* Layout
*
*
* struct par_shapes_mesh {
* float * points;
* int npoints;
* PAR_SHAPES_T * triangles;
* int ntriangles;
* float * normals;
* float * tcoords;
* }
*/
@NativeType("struct par_shapes_mesh")
public class ParShapesMesh extends Struct {
/** 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
POINTS,
NPOINTS,
TRIANGLES,
NTRIANGLES,
NORMALS,
TCOORDS;
static {
Layout layout = __struct(
__member(POINTER_SIZE),
__member(4),
__member(POINTER_SIZE),
__member(4),
__member(POINTER_SIZE),
__member(POINTER_SIZE)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
POINTS = layout.offsetof(0);
NPOINTS = layout.offsetof(1);
TRIANGLES = layout.offsetof(2);
NTRIANGLES = layout.offsetof(3);
NORMALS = layout.offsetof(4);
TCOORDS = layout.offsetof(5);
}
/**
* Creates a {@code ParShapesMesh} 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 ParShapesMesh(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/**
* Returns a {@link FloatBuffer} view of the data pointed to by the {@code points} field.
*
* @param capacity the number of elements in the returned buffer
*/
@NativeType("float *")
public FloatBuffer points(int capacity) { return npoints(address(), capacity); }
/** Returns the value of the {@code npoints} field. */
public int npoints() { return nnpoints(address()); }
/**
* Returns a {@link IntBuffer} view of the data pointed to by the {@code triangles} field.
*
* @param capacity the number of elements in the returned buffer
*/
@NativeType("PAR_SHAPES_T *")
public IntBuffer triangles(int capacity) { return ntriangles(address(), capacity); }
/** Returns the value of the {@code ntriangles} field. */
public int ntriangles() { return nntriangles(address()); }
/**
* Returns a {@link FloatBuffer} view of the data pointed to by the {@code normals} field.
*
* @param capacity the number of elements in the returned buffer
*/
@Nullable
@NativeType("float *")
public FloatBuffer normals(int capacity) { return nnormals(address(), capacity); }
/**
* Returns a {@link FloatBuffer} view of the data pointed to by the {@code tcoords} field.
*
* @param capacity the number of elements in the returned buffer
*/
@Nullable
@NativeType("float *")
public FloatBuffer tcoords(int capacity) { return ntcoords(address(), capacity); }
// -----------------------------------
/** Returns a new {@code ParShapesMesh} instance for the specified memory address. */
public static ParShapesMesh create(long address) {
return wrap(ParShapesMesh.class, address);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static ParShapesMesh createSafe(long address) {
return address == NULL ? null : wrap(ParShapesMesh.class, address);
}
/**
* Create a {@link ParShapesMesh.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static ParShapesMesh.Buffer create(long address, int capacity) {
return wrap(Buffer.class, address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static ParShapesMesh.Buffer createSafe(long address, int capacity) {
return address == NULL ? null : wrap(Buffer.class, address, capacity);
}
// -----------------------------------
/** Unsafe version of {@link #points(int) points}. */
public static FloatBuffer npoints(long struct, int capacity) { return memFloatBuffer(memGetAddress(struct + ParShapesMesh.POINTS), capacity); }
/** Unsafe version of {@link #npoints}. */
public static int nnpoints(long struct) { return UNSAFE.getInt(null, struct + ParShapesMesh.NPOINTS); }
/** Unsafe version of {@link #triangles(int) triangles}. */
public static IntBuffer ntriangles(long struct, int capacity) { return memIntBuffer(memGetAddress(struct + ParShapesMesh.TRIANGLES), capacity); }
/** Unsafe version of {@link #ntriangles}. */
public static int nntriangles(long struct) { return UNSAFE.getInt(null, struct + ParShapesMesh.NTRIANGLES); }
/** Unsafe version of {@link #normals(int) normals}. */
@Nullable public static FloatBuffer nnormals(long struct, int capacity) { return memFloatBufferSafe(memGetAddress(struct + ParShapesMesh.NORMALS), capacity); }
/** Unsafe version of {@link #tcoords(int) tcoords}. */
@Nullable public static FloatBuffer ntcoords(long struct, int capacity) { return memFloatBufferSafe(memGetAddress(struct + ParShapesMesh.TCOORDS), capacity); }
// -----------------------------------
/** An array of {@link ParShapesMesh} structs. */
public static class Buffer extends StructBuffer {
private static final ParShapesMesh ELEMENT_FACTORY = ParShapesMesh.create(-1L);
/**
* Creates a new {@code ParShapesMesh.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 ParShapesMesh#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 ParShapesMesh getElementFactory() {
return ELEMENT_FACTORY;
}
/**
* Returns a {@link FloatBuffer} view of the data pointed to by the {@code points} field.
*
* @param capacity the number of elements in the returned buffer
*/
@NativeType("float *")
public FloatBuffer points(int capacity) { return ParShapesMesh.npoints(address(), capacity); }
/** Returns the value of the {@code npoints} field. */
public int npoints() { return ParShapesMesh.nnpoints(address()); }
/**
* Returns a {@link IntBuffer} view of the data pointed to by the {@code triangles} field.
*
* @param capacity the number of elements in the returned buffer
*/
@NativeType("PAR_SHAPES_T *")
public IntBuffer triangles(int capacity) { return ParShapesMesh.ntriangles(address(), capacity); }
/** Returns the value of the {@code ntriangles} field. */
public int ntriangles() { return ParShapesMesh.nntriangles(address()); }
/**
* Returns a {@link FloatBuffer} view of the data pointed to by the {@code normals} field.
*
* @param capacity the number of elements in the returned buffer
*/
@Nullable
@NativeType("float *")
public FloatBuffer normals(int capacity) { return ParShapesMesh.nnormals(address(), capacity); }
/**
* Returns a {@link FloatBuffer} view of the data pointed to by the {@code tcoords} field.
*
* @param capacity the number of elements in the returned buffer
*/
@Nullable
@NativeType("float *")
public FloatBuffer tcoords(int capacity) { return ParShapesMesh.ntcoords(address(), capacity); }
}
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