normalization tracking

.vscode/settings.json

@@ -51,6 +51,7 @@
         "flux.h": "c",
         "diffusion_ode.h": "c",
         "pressurecell.h": "c",
-        "pressure.h": "c"
+        "pressure.h": "c",
+        "tracking.h": "c"
     }
 }

src/main/c/includes/fluid/tracking/tracking.h

@@ -0,0 +1,15 @@
+#ifndef FLUID_TRACKING_H
+#define FLUID_TRACKING_H
+
+#include "public.h"
+#include "fluid/env/environment.h"
+
+
+/**
+ * Resets the tracking state for this frame
+ */
+LIBRARY_API void fluid_tracking_reset(Environment * environment);
+
+
+
+#endif

src/main/c/src/fluid/queue/javainterface.c

@@ -15,6 +15,7 @@
 #include "fluid/sim/grid/simulation.h"
 #include "fluid/sim/grid2/grid2.h"
 #include "fluid/sim/simulator.h"
+#include "fluid/tracking/tracking.h"
 #include "fluid/dispatch/dispatcher.h"
 #include "math/ode/multigrid.h"
 
@@ -58,6 +59,7 @@ JNIEXPORT void JNICALL Java_electrosphere_server_fluid_simulator_FluidAccelerate
     ){
     environment->consts.dt = dt;
     int numReadIn = readInChunks(env,chunkList,environment);
+    fluid_tracking_reset(environment);
     fluid_solve_bounds(numReadIn,chunkViewC,environment);
     fluid_dispatch(numReadIn,chunkViewC,environment,FLUID_DISPATCHER_OVERRIDE_NONE);
     fluid_simulate(environment);

src/main/c/src/fluid/sim/pressurecell/normalization.c

@@ -37,6 +37,7 @@ LIBRARY_API void fluid_pressurecell_calculate_normalization_ratio(Environment *
         }
     }
     double expected = chunk->pressureCellData.densitySum;
+    env->state.existingDensity = env->state.existingDensity + expected;
     double normalizationRatio = expected / sum;
     chunk->pressureCellData.densitySum = normalizationRatio;
 }

src/main/c/src/fluid/tracking/tracking.c

@@ -0,0 +1,12 @@
+
+
+#include "fluid/tracking/tracking.h"
+
+/**
+ * Resets the tracking state for this frame
+ */
+LIBRARY_API void fluid_tracking_reset(Environment * environment){
+    environment->state.existingDensity = 0;
+    environment->state.normalizationRatio = 0;
+}
+