#include <jni.h>

//Must be included for public functions to be imported/exported on windows
#include "public.h"

#ifndef CHUNK_H
#define CHUNK_H

/**
 * The minimum fluid value
 */
#define MIN_FLUID_VALUE 0.0f

/**
 * The maximum fluid value
 */
#define MAX_FLUID_VALUE 1.0f

/**
 * The cutoff value for the bounds array
 */
#define BOUND_CUTOFF_VALUE 0.0f

/**
 * Maximum value of bounds array for it to be considered a blocker
 */
#define BOUND_MAX_VALUE 1.0f

/**
 * The dimension of a single chunk's array
 */
#define DIM 18

/**
 * The spacing between chunks
 */
#define CHUNK_SPACING 16

/**
 * A chunk
*/
typedef struct {
    float * d[27];
    float * d0[27];
    float * u[27];
    float * v[27];
    float * w[27];
    float * u0[27];
    float * v0[27];
    float * w0[27];
    float * bounds[27];
    int chunkMask;
    jobject chunkJRaw;

    /**
     * The world x coordinate of this chunk
     */
    int x;

    /**
     * The world y coordinate of this chunk
     */
    int y;

    /**
     * The world z coordinate of this chunk
     */
    int z;

    /**
     * The level of detail to simulate the chunk with
     * NOTE: This is not a spatial LOD. It is a simulation LOD
     */
    int simLOD;

    /**
     * The convergence of this chunk
     */
    float projectionResidual;

    /**
     * The number of iterations this chunk took to project
     */
    int projectionIterations;
    
} Chunk;

#endif