diff --git a/docs/src/progress/renderertodo.md b/docs/src/progress/renderertodo.md
index 37bc826e..73eba962 100644
--- a/docs/src/progress/renderertodo.md
+++ b/docs/src/progress/renderertodo.md
@@ -1250,6 +1250,7 @@ Fix arena loading
 Refactoring fluid sim code
 Refactoring fluid sim headers
 Refactor native test code under src/test
+More test file refactoring
 
 
 
diff --git a/src/main/c/includes/fluid/queue/chunk.h b/src/main/c/includes/fluid/queue/chunk.h
index 6a0f6c4f..bad886fb 100644
--- a/src/main/c/includes/fluid/queue/chunk.h
+++ b/src/main/c/includes/fluid/queue/chunk.h
@@ -43,156 +43,13 @@ typedef struct {
      * 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;
     
 } Chunk;
 
-/**
- * The size of the main array's real data
- */
-#define MAIN_ARRAY_DIM 16
-
-/**
- * The number of chunks to place next to one another
- */
-#define SPARSE_ARRAY_CHUNK_DIM 7
-
-/**
- * The number of chunks to place next to one another
- */
-#define SPARSE_ARRAY_CHUNK_RADIUS 3
-
-/**
- * The total number of chunks in the chunk tracking array
- */
-#define SPARSE_ARRAY_TOTAL_CHUNKS (SPARSE_ARRAY_CHUNK_DIM * SPARSE_ARRAY_CHUNK_DIM * SPARSE_ARRAY_CHUNK_DIM)
-
-/**
- * The extra values at the edges of the sparse array (to allow pulling data from borders)
- */
-#define SPARSE_ARRAY_BORDER_SIZE 2
-
-/**
- * The size of the real data in the sparse array (not including bounds)
- */
-#define SPARSE_ARRAY_REAL_DATA_SIZE (SPARSE_ARRAY_CHUNK_DIM * MAIN_ARRAY_DIM)
-
-/**
- * Size of the cells we care about in the sparse array
- */
-#define SPARSE_ARRAY_ACTUAL_DATA_DIM (SPARSE_ARRAY_REAL_DATA_SIZE + SPARSE_ARRAY_BORDER_SIZE)
-
-/**
- * The size of the dimension of the memory of the sparse array
- * While the SPARSE_ARRAY_ACTUAL_DATA_DIM may come out to 114, it will be more efficient CPU-instruction wise
- * if we round that up to 128+2
- * That way we can call highly vectorized functions (ie avx128 instead of avx64+avx32+avx16+2)
- */
-#define SPARSE_ARRAY_RAW_DIM (128 + SPARSE_ARRAY_BORDER_SIZE)
-
-/**
- * The size of a sparse array in number of elements
- */
-#define SPARSE_ARRAY_FULL_SIZE (SPARSE_ARRAY_RAW_DIM * SPARSE_ARRAY_RAW_DIM * SPARSE_ARRAY_RAW_DIM)
-
-/**
- * The unit of spacial distance
- */
-#define SPATIAL_UNIT 1
-
-/**
- * The size of the sparse array in spatial units
- */
-#define SPARSE_ARRAY_SPATIAL_SIZE (SPARSE_ARRAY_ACTUAL_DATA_DIM * SPATIAL_UNIT)
-
-/**
- * A set of sparse matricies for simulating fluids
- */
-typedef struct {
-
-    /**
-     * The density array
-     */
-    float * d;
-
-    /**
-     * The density delta array
-     */
-    float * d0;
-
-    /**
-     * The x velocity array
-     */
-    float * u;
-
-    /**
-     * The y velocity array
-     */
-    float * v;
-    
-    /**
-     * The z velocity array
-     */
-    float * w;
-
-    /**
-     * The x velocity delta array
-     */
-    float * u0;
-
-    /**
-     * The y velocity delta array
-     */
-    float * v0;
-    
-    /**
-     * The z velocity delta array
-     */
-    float * w0;
-
-    /**
-     * The chunks inside the array
-     */
-    Chunk ** chunks;
-
-} SparseChunkArray;
-
-
-/**
- * Creates a sparse chunk array
- */
-LIBRARY_API SparseChunkArray * fluid_sparse_array_create();
-
-/**
- * Frees a sparse chunk array
- */
-LIBRARY_API void fluid_sparse_array_free(SparseChunkArray * array);
-
-/**
- * Adds a chunk to the sparse array
- */
-LIBRARY_API void fluid_sparse_array_add_chunk(SparseChunkArray * array, Chunk * chunk, int x, int y, int z);
-
-/**
- * Adds a chunk to the sparse array
- */
-LIBRARY_API void fluid_sparse_array_remove_chunk(SparseChunkArray * array, Chunk * chunk, int x, int y, int z);
-
-/**
- * Gets the index for a point in the chunk
- */
-LIBRARY_API int fluid_sparse_array_get_index(SparseChunkArray * array, int x, int y, int z);
-
-/**
- * Cleans the sparse array
- */
-LIBRARY_API void fluid_sparse_array_clean(SparseChunkArray * array);
-
-/**
- * Gets the number of chunks in the sparse array
- */
-LIBRARY_API int fluid_sparse_array_get_chunk_count(SparseChunkArray * array);
-
-int GCI(int x, int y, int z);
-int GVI(int x, int y, int z);
-
 #endif
\ No newline at end of file
diff --git a/src/main/c/includes/fluid/queue/islandsolver.h b/src/main/c/includes/fluid/queue/islandsolver.h
index ceff8ca6..18999bfb 100644
--- a/src/main/c/includes/fluid/queue/islandsolver.h
+++ b/src/main/c/includes/fluid/queue/islandsolver.h
@@ -7,6 +7,7 @@
 #define ISLANDSOLVER_H
 
 #include "fluid/queue/chunk.h"
+#include "fluid/queue/sparse.h"
 
 /**
  * A set of sparse matricies for simulating fluids
diff --git a/src/main/c/includes/fluid/queue/sparse.h b/src/main/c/includes/fluid/queue/sparse.h
new file mode 100644
index 00000000..bb987a79
--- /dev/null
+++ b/src/main/c/includes/fluid/queue/sparse.h
@@ -0,0 +1,160 @@
+#ifndef FLUID_QUEUE_SPARSE_H
+#define FLUID_QUEUE_SPARSE_H
+
+//Must be included for public functions to be imported/exported on windows
+#include "public.h"
+
+#include "chunk.h"
+
+
+/**
+ * The size of the main array's real data
+ */
+#define MAIN_ARRAY_DIM 16
+
+/**
+ * The number of chunks to place next to one another
+ */
+#define SPARSE_ARRAY_CHUNK_DIM 7
+
+/**
+ * The number of chunks to place next to one another
+ */
+#define SPARSE_ARRAY_CHUNK_RADIUS 3
+
+/**
+ * The total number of chunks in the chunk tracking array
+ */
+#define SPARSE_ARRAY_TOTAL_CHUNKS (SPARSE_ARRAY_CHUNK_DIM * SPARSE_ARRAY_CHUNK_DIM * SPARSE_ARRAY_CHUNK_DIM)
+
+/**
+ * The extra values at the edges of the sparse array (to allow pulling data from borders)
+ */
+#define SPARSE_ARRAY_BORDER_SIZE 2
+
+/**
+ * The size of the real data in the sparse array (not including bounds)
+ */
+#define SPARSE_ARRAY_REAL_DATA_SIZE (SPARSE_ARRAY_CHUNK_DIM * MAIN_ARRAY_DIM)
+
+/**
+ * Size of the cells we care about in the sparse array
+ */
+#define SPARSE_ARRAY_ACTUAL_DATA_DIM (SPARSE_ARRAY_REAL_DATA_SIZE + SPARSE_ARRAY_BORDER_SIZE)
+
+/**
+ * The size of the dimension of the memory of the sparse array
+ * While the SPARSE_ARRAY_ACTUAL_DATA_DIM may come out to 114, it will be more efficient CPU-instruction wise
+ * if we round that up to 128+2
+ * That way we can call highly vectorized functions (ie avx128 instead of avx64+avx32+avx16+2)
+ */
+#define SPARSE_ARRAY_RAW_DIM (128 + SPARSE_ARRAY_BORDER_SIZE)
+
+/**
+ * The size of a sparse array in number of elements
+ */
+#define SPARSE_ARRAY_FULL_SIZE (SPARSE_ARRAY_RAW_DIM * SPARSE_ARRAY_RAW_DIM * SPARSE_ARRAY_RAW_DIM)
+
+/**
+ * The unit of spacial distance
+ */
+#define SPATIAL_UNIT 1
+
+/**
+ * The size of the sparse array in spatial units
+ */
+#define SPARSE_ARRAY_SPATIAL_SIZE (SPARSE_ARRAY_ACTUAL_DATA_DIM * SPATIAL_UNIT)
+
+/**
+ * A set of sparse matricies for simulating fluids
+ */
+typedef struct {
+
+    /**
+     * The density array
+     */
+    float * d;
+
+    /**
+     * The density delta array
+     */
+    float * d0;
+
+    /**
+     * The x velocity array
+     */
+    float * u;
+
+    /**
+     * The y velocity array
+     */
+    float * v;
+    
+    /**
+     * The z velocity array
+     */
+    float * w;
+
+    /**
+     * The x velocity delta array
+     */
+    float * u0;
+
+    /**
+     * The y velocity delta array
+     */
+    float * v0;
+    
+    /**
+     * The z velocity delta array
+     */
+    float * w0;
+
+    /**
+     * The chunks inside the array
+     */
+    Chunk ** chunks;
+
+} SparseChunkArray;
+
+
+/**
+ * Creates a sparse chunk array
+ */
+LIBRARY_API SparseChunkArray * fluid_sparse_array_create();
+
+/**
+ * Frees a sparse chunk array
+ */
+LIBRARY_API void fluid_sparse_array_free(SparseChunkArray * array);
+
+/**
+ * Adds a chunk to the sparse array
+ */
+LIBRARY_API void fluid_sparse_array_add_chunk(SparseChunkArray * array, Chunk * chunk, int x, int y, int z);
+
+/**
+ * Adds a chunk to the sparse array
+ */
+LIBRARY_API void fluid_sparse_array_remove_chunk(SparseChunkArray * array, Chunk * chunk, int x, int y, int z);
+
+/**
+ * Gets the index for a point in the chunk
+ */
+LIBRARY_API int fluid_sparse_array_get_index(SparseChunkArray * array, int x, int y, int z);
+
+/**
+ * Cleans the sparse array
+ */
+LIBRARY_API void fluid_sparse_array_clean(SparseChunkArray * array);
+
+/**
+ * Gets the number of chunks in the sparse array
+ */
+LIBRARY_API int fluid_sparse_array_get_chunk_count(SparseChunkArray * array);
+
+int GCI(int x, int y, int z);
+int GVI(int x, int y, int z);
+
+
+#endif
\ No newline at end of file
diff --git a/src/main/c/src/fluid/queue/chunk.c b/src/main/c/src/fluid/queue/sparse.c
similarity index 99%
rename from src/main/c/src/fluid/queue/chunk.c
rename to src/main/c/src/fluid/queue/sparse.c
index eeb7f725..effbd8e3 100644
--- a/src/main/c/src/fluid/queue/chunk.c
+++ b/src/main/c/src/fluid/queue/sparse.c
@@ -2,6 +2,7 @@
 
 
 #include "fluid/queue/chunk.h"
+#include "fluid/queue/sparse.h"
 #include "fluid/queue/chunkmask.h"
 #include "fluid/env/utilities.h"
 
diff --git a/src/test/c/fluid/islandsolver_tests.c b/src/test/c/fluid/queue/islandsolver_tests.c
similarity index 77%
rename from src/test/c/fluid/islandsolver_tests.c
rename to src/test/c/fluid/queue/islandsolver_tests.c
index 505bdee2..5cafac06 100644
--- a/src/test/c/fluid/islandsolver_tests.c
+++ b/src/test/c/fluid/queue/islandsolver_tests.c
@@ -5,45 +5,11 @@
 #include "fluid/queue/chunkmask.h"
 #include "fluid/env/utilities.h"
 #include "fluid/queue/islandsolver.h"
-#include "../test.h"
-#include "chunk_test_utils.h"
+#include "../../util/test.h"
+#include "../../util/chunk_test_utils.h"
 
 
 
-/**
- * Creates a chunk at a world position
- */
-Chunk * chunk_create(int x, int y, int z){
-    Chunk * chunk1 = (Chunk *)malloc(sizeof(Chunk));
-    chunk1->d[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->d0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->u[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->v[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->w[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->u0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->v0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->w0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
-    chunk1->x = x;
-    chunk1->y = y;
-    chunk1->z = z;
-    return chunk1;
-}
-
-/**
- * Frees a chunk
- */
-void chunk_free(Chunk * chunk){
-    free(chunk->d[CENTER_LOC]);
-    free(chunk->d0[CENTER_LOC]);
-    free(chunk->u[CENTER_LOC]);
-    free(chunk->v[CENTER_LOC]);
-    free(chunk->w[CENTER_LOC]);
-    free(chunk->u0[CENTER_LOC]);
-    free(chunk->v0[CENTER_LOC]);
-    free(chunk->w0[CENTER_LOC]);
-    free(chunk);
-}
-
 /**
  * Sets a chunk's value
  * @param chunk The chunk
@@ -86,7 +52,7 @@ void chunk_set_val(Chunk * chunk, int i, int arr){
 }
 
 
-int fluid_islandsolver_tests(int argc, char **argv){
+int fluid_queue_islandsolver_tests(int argc, char **argv){
     int rVal = 0;
     //allocate a sparse array
     FluidIslandSolver * islandSolver = fluid_island_solver_create();
diff --git a/src/test/c/fluid/chunk_tests.c b/src/test/c/fluid/queue/sparse_tests.c
similarity index 97%
rename from src/test/c/fluid/chunk_tests.c
rename to src/test/c/fluid/queue/sparse_tests.c
index 4a54acbe..e7ca29e0 100644
--- a/src/test/c/fluid/chunk_tests.c
+++ b/src/test/c/fluid/queue/sparse_tests.c
@@ -2,9 +2,10 @@
 #include <stdlib.h>
 
 #include "fluid/queue/chunk.h"
+#include "fluid/queue/sparse.h"
 #include "fluid/queue/chunkmask.h"
 #include "fluid/env/utilities.h"
-#include "../test.h"
+#include "../../util/test.h"
 
 
 
@@ -94,3 +95,10 @@ int fluid_chunk_tests(int argc, char **argv){
 
     return rVal;
 }
+
+/**
+ * Empty test launcher
+ */
+int fluid_queue_sparse_tests(){
+    return 0;
+}
\ No newline at end of file
diff --git a/src/test/c/fluid/sparsesimulator_tests.c b/src/test/c/fluid/sim/sparsesimulator_tests.c
similarity index 89%
rename from src/test/c/fluid/sparsesimulator_tests.c
rename to src/test/c/fluid/sim/sparsesimulator_tests.c
index e329c695..bef04a11 100644
--- a/src/test/c/fluid/sparsesimulator_tests.c
+++ b/src/test/c/fluid/sim/sparsesimulator_tests.c
@@ -2,12 +2,13 @@
 #include <stdlib.h>
 
 #include "fluid/queue/chunk.h"
+#include "fluid/queue/sparse.h"
 #include "fluid/queue/chunkmask.h"
 #include "fluid/env/utilities.h"
 #include "fluid/queue/islandsolver.h"
 #include "fluid/sim/sparse/sparsesimulator.h"
-#include "../test.h"
-#include "chunk_test_utils.h"
+#include "../../util/test.h"
+#include "../../util/chunk_test_utils.h"
 
 #define TEST_DT 0.1
 #define TEST_DIFF_CONST 0.0001
@@ -22,7 +23,7 @@
 
 
 
-int test_fluid_sparse_array_add_source(){
+int test_sparse_array_add_source(){
     int rVal = 0;
     //allocate a sparse array
     FluidIslandSolver * islandSolver = fluid_island_solver_create();
@@ -75,7 +76,7 @@ int test_fluid_sparse_array_add_source(){
 
 
 
-int test_fluid_sparse_array_dens_step(){
+int test_sparse_array_dens_step(){
     int rVal = 0;
     //allocate a sparse array
     FluidIslandSolver * islandSolver = fluid_island_solver_create();
@@ -127,11 +128,11 @@ int test_fluid_sparse_array_dens_step(){
 
 
 
-int fluid_sparsesimulator_tests(int argc, char **argv){
+int fluid_sim_sparsesimulator_tests(int argc, char **argv){
     int rVal = 0;
     
-    rVal += test_fluid_sparse_array_add_source();
-    rVal += test_fluid_sparse_array_dens_step();
+    rVal += test_sparse_array_add_source();
+    rVal += test_sparse_array_dens_step();
 
     return rVal;
 }
diff --git a/src/test/c/util/chunk_test_utils.c b/src/test/c/util/chunk_test_utils.c
new file mode 100644
index 00000000..ce1f38a5
--- /dev/null
+++ b/src/test/c/util/chunk_test_utils.c
@@ -0,0 +1,45 @@
+#include <stdlib.h>
+
+#include "fluid/queue/chunk.h"
+#include "fluid/queue/chunkmask.h"
+
+/**
+ * Creates a chunk at a world position
+ */
+Chunk * chunk_create(int x, int y, int z){
+    Chunk * chunk1 = (Chunk *)malloc(sizeof(Chunk));
+    chunk1->d[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->d0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->u[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->v[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->w[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->u0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->v0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->w0[CENTER_LOC] = (float *)malloc(DIM * DIM * DIM * sizeof(float));
+    chunk1->x = x;
+    chunk1->y = y;
+    chunk1->z = z;
+    return chunk1;
+}
+
+/**
+ * Frees a chunk
+ */
+void chunk_free(Chunk * chunk){
+    free(chunk->d[CENTER_LOC]);
+    free(chunk->d0[CENTER_LOC]);
+    free(chunk->u[CENTER_LOC]);
+    free(chunk->v[CENTER_LOC]);
+    free(chunk->w[CENTER_LOC]);
+    free(chunk->u0[CENTER_LOC]);
+    free(chunk->v0[CENTER_LOC]);
+    free(chunk->w0[CENTER_LOC]);
+    free(chunk);
+}
+
+/**
+ * Empty test launcher
+ */
+int util_chunk_test_utils(){
+    return 0;
+}
\ No newline at end of file
diff --git a/src/test/c/fluid/chunk_test_utils.h b/src/test/c/util/chunk_test_utils.h
similarity index 100%
rename from src/test/c/fluid/chunk_test_utils.h
rename to src/test/c/util/chunk_test_utils.h
diff --git a/src/test/c/test.c b/src/test/c/util/test.c
similarity index 98%
rename from src/test/c/test.c
rename to src/test/c/util/test.c
index 1b9667d3..f83f71e4 100644
--- a/src/test/c/test.c
+++ b/src/test/c/util/test.c
@@ -58,7 +58,7 @@ int assertNotEqualsFloat(float a, float b, char * msg){
 }
 
 
-int test(){
+int util_test(){
     return 0;
 }
 
diff --git a/src/test/c/test.h b/src/test/c/util/test.h
similarity index 100%
rename from src/test/c/test.h
rename to src/test/c/util/test.h