Smoke/glyphs.c


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

#include <GL/gl.h>
#include <rfftw.h>

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

#include "glyphs.h"

static int glyphs_render            = FALSE;
static int glyphs_num_colors        = PALETTE_MAXCOLORS;
static int glyphs_colormap          = PALETTE_BLACKWHITE;
static int glyphs_sort              = GLYPH_LINES;
static int glyphs_dataset_color     = DATASET_RHO;
static int glyphs_dataset_direction = DATASET_RHO;

static float glyphs_alpha = 1.0f;
static fftw_real *glyphs_frame_color;
struct fftw_real_xy_p glyphs_frame_direction;


void glyphs_set_render(int render_glyphs)
{
  glyphs_render = render_glyphs;
}

int glyphs_get_render(void)
{
  return glyphs_render;
}

void glyphs_set_num_colors(int num_colors)
{
  glyphs_num_colors = num_colors;
}

int glyphs_get_num_colors(void)
{
  return glyphs_num_colors;
}

void glyphs_set_colormap(int colormap)
{
  glyphs_colormap = colormap;
}

int glyphs_get_colormap(void)
{
  return glyphs_colormap;
}

void glyphs_set_alpha(float alpha)
{
  glyphs_alpha = alpha;
}

float glyphs_get_alpha(void)
{
  return glyphs_alpha;
}

void glyphs_set_dataset_color(int dataset)
{
  glyphs_dataset_color = dataset;
}

int glyphs_get_dataset_color(void)
{
  return glyphs_dataset_color;
}

void glyphs_set_dataset_direction(int dataset)
{
  glyphs_dataset_direction = dataset;
}

int glyphs_get_dataset_direction(void)
{
  return glyphs_dataset_direction;
}

void glyphs_set_sort(int sort)
{
  glyphs_sort = sort;

  switch (glyphs_sort)
  {
    case GLYPH_ARROWS:
      renderer_load_texture("arrow.bmp");
      break;

    case GLYPH_QUAKE:
      renderer_load_texture("quake.bmp");
      break;

    default:
      break;
  }
}

int glyphs_get_sort(void)
{
  return glyphs_sort;
}

void glyphs_set_frame_color(fftw_real *frame)
{
  glyphs_frame_color = frame;
}

fftw_real *glyphs_get_frame_color(void)
{
  return glyphs_frame_color;
}

void glyphs_set_frames_direction(struct fftw_real_xy_p frame)
{
  glyphs_frame_direction = frame;
}

struct fftw_real_xy_p glyphs_get_frames_direction(void)
{
  return glyphs_frame_direction;
}


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

  return_value = set_palette(glyphs_colormap, value, glyphs_num_colors);
  return_value.a = glyphs_alpha;

  return return_value;
}