added getter for hisdex

2 files changed, 10 insertions, 7 deletions

diff --git a/Smoke/fluids.c b/Smoke/fluids.c
index 83764ac..a0bcb89 100644
--- a/Smoke/fluids.c
+++ b/Smoke/fluids.c
@@ -36,8 +36,6 @@ fftw_real *fx, *fy;	            //(fx,fy)   = user-controlled simulation forces,
 fftw_real *rho, *rho0;		    	//smoke density at the current (rho) and previous (rho0) moment 
 fftw_real *height_array;        //used for height plot
 struct point *normal_array;     //used for normal vectors
-int *frame_hist;
-int frame_index = 0;
 rfftwnd_plan plan_rc, plan_cr;  //simulation domain discretization
 
 int   winWidth, winHeight;      //size of the graphics window, in pixels
@@ -47,10 +45,10 @@ int vis_dataset = DATASET_RHO;
 int active_slider = 0;
 int glyph_scalar = SCALAR_RHO;
 int glyph_vector = VECTOR_VEL;
-GLuint startList;
 
 static int fluids_calculate = TRUE;
 static int DIM;             //size of simulation grid
+static int fluids_hisdex = 0;
 
 //------ SIMULATION CODE STARTS HERE -----------------------------------------------------------------
 
@@ -83,7 +81,6 @@ void fluids_init_simulation(int n, struct vis_data_arrays *vis_data)
   {
     vis_data->history[i] = (fftw_real *)malloc(dim1);
   }
-  printf("frame 0: %p\n", vis_data->history[0]);
 
   fluids_reset_simulation();
 
@@ -409,15 +406,14 @@ fftw_real *get_frame(struct vis_data_arrays *vis_data, int dataset)
 
 void add_history_frame(int dataset, struct vis_data_arrays *vis_data)
 {
-  static int hisdex = 0;
   fftw_real *frame;
 
 
   if (dataset != DATASET_HIST) {
     frame = get_frame(vis_data, dataset);
     
-    memcpy(vis_data->history[hisdex], frame, DIM * 2 * (DIM / 2 + 1) * sizeof(fftw_real));
-    hisdex = (hisdex >= HISTORY_SIZE -1) ? 0 : hisdex +1;    
+    memcpy(vis_data->history[fluids_hisdex], frame, DIM * 2 * (DIM / 2 + 1) * sizeof(fftw_real));
+    fluids_hisdex = (fluids_hisdex >= HISTORY_SIZE -1) ? 0 : fluids_hisdex +1;    
   }
 }
 
@@ -597,3 +593,8 @@ int fluids_get_dim(void)
 {
   return DIM;
 }
+
+int fluids_get_hisdex(void)
+{
+  return fluids_hisdex;
+}
diff --git a/Smoke/fluids.h b/Smoke/fluids.h
index e495222..2e79fd5 100644
--- a/Smoke/fluids.h
+++ b/Smoke/fluids.h
@@ -84,6 +84,8 @@ void fluids_reset_simulation(void);
 
 void fluids_calculate_one_simulation_step(struct vis_data_arrays *vis_data);
 
+int fluids_get_hisdex(void);
+
 float get_dataset(int index);
 void set_autoscaling(void);
 #endif