#ifdef G_OS_WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif


#include <rfftw.h>

#include "fluids.h"
#include "funcs.h"
#include "palette.h"

#include "flowvis.h"


static int flowvis_render = FALSE;

static int flowvis_num_colors = PALETTE_MAXCOLORS;

static int flowvis_colormap = PALETTE_BLACKWHITE;

static float flowvis_alpha = 1.0f;
static float flowvis_sort = FLOWVIS_SORT_FRAME;

static fftw_real *flowvis_frame;
static fftw_real **flowvis_history;

static int hisdex = 0;


void flowvis_set_hisdex(int arg)
{
  int idx = (fluids_get_hisdex() + 1) % HISTORY_SIZE;

  hisdex = (arg + idx) % HISTORY_SIZE;
}
 
int flowvis_get_hisdex(void)
{
  return hisdex;
}

void flowvis_set_render(int render_flowvis)
{
  flowvis_render = render_flowvis;
}

int flowvis_get_render(void)
{
  return flowvis_render;
}

void flowvis_set_num_colors(int num_colors)
{
  flowvis_num_colors = num_colors;
}

int flowvis_get_num_colors(void)
{
  return flowvis_num_colors;
}

void flowvis_set_colormap(int colormap)
{
  flowvis_colormap = colormap;
}

int flowvis_get_colormap(void)
{
  return flowvis_colormap;
}

void flowvis_set_alpha(float alpha)
{
  flowvis_alpha = alpha;
}

float flowvis_get_alpha(void)
{
  return flowvis_alpha;
}

void flowvis_set_frame(fftw_real *frame)
{
  flowvis_frame = frame;
}

fftw_real *flowvis_get_frame(void)
{
  return flowvis_frame;
}

void flowvis_set_sort(int sort)
{
  flowvis_sort = sort;
}

int flowvis_get_sort(void)
{
  return flowvis_sort;
}

void flowvis_set_history(fftw_real **history)
{
  flowvis_history = history;
}

fftw_real *flowvis_get_history(int hisdex)
{
  return flowvis_history[hisdex];
}

struct color4f flowvis_get_color(float value)
{
  struct color4f return_value;

  return_value = set_palette(flowvis_colormap, value, flowvis_num_colors);
  return_value.a = flowvis_alpha;

  return return_value;
}