reorg + add stb dependency

.gitignore

@@ -7,4 +7,5 @@
 /.project
 /.vscode
 /shared-folder
-/shared-folder/**
+/shared-folder/**
+/src/main/c/lib/**

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "src/main/c/lib/stb"]
+	path = src/main/c/lib/stb
+	url = https://github.com/nothings/stb.git

src/main/c/compile.sh

@@ -42,17 +42,17 @@ rm -f ./*.dll
 
 #compile object files
 COMPILE_FLAGS="-c -fPIC -m64 -mavx -mavx2 -O1"
-INPUT_FILES="./densitystep.c"
+INPUT_FILES="./src/densitystep.c"
 OUTPUT_FILE="./densitystep.o"
 gcc $COMPILE_FLAGS -I"$BASE_INCLUDE_DIR" -I"$OS_INCLUDE_DIR" $INPUT_FILES -o $OUTPUT_FILE
 
 COMPILE_FLAGS="-c -fPIC -m64 -mavx -mavx2 -O1"
-INPUT_FILES="./velocitystep.c"
+INPUT_FILES="./src/velocitystep.c"
 OUTPUT_FILE="./velocitystep.o"
 gcc $COMPILE_FLAGS -I"$BASE_INCLUDE_DIR" -I"$OS_INCLUDE_DIR" $INPUT_FILES -o $OUTPUT_FILE
 
 COMPILE_FLAGS="-c -fPIC -m64 -mavx -mavx2 -O1"
-INPUT_FILES="./chunkmask.c"
+INPUT_FILES="./src/chunkmask.c"
 OUTPUT_FILE="./chunkmask.o"
 gcc $COMPILE_FLAGS -I"$BASE_INCLUDE_DIR" -I"$OS_INCLUDE_DIR" $INPUT_FILES -o $OUTPUT_FILE
 

src/main/c/includes/libfluidsim.h

@@ -0,0 +1,10 @@
+//include guard
+#ifndef LIB_FLUID_SIM
+#define LIB_FLUID_SIM
+
+//include stb ds
+#define STB_IMAGE_IMPLEMENTATION
+#include "../lib/stb/stb_ds.h"
+
+//close include guard
+#endif

src/main/c/lib/stb

@@ -0,0 +1 @@
+Subproject commit ae721c50eaf761660b4f90cc590453cdb0c2acd0

src/main/c/src/chunkmask.c

@@ -1,7 +1,8 @@
 #include <jni.h>
 #include <stdint.h>
-#include "includes/utilities.h"
+#include "../includes/libfluidsim.h"
-#include "includes/chunkmask.h"
+#include "../includes/utilities.h"
+#include "../includes/chunkmask.h"
 
 uint32_t matrix_transform(JNIEnv * env, jobjectArray jrx);
 

src/main/c/src/densitystep.c

@@ -2,9 +2,11 @@
 #include <stdio.h>
 #include <immintrin.h>
 #include <stdint.h>
+#include <pthread.h>
 
-#include "includes/utilities.h"
+#include "../includes/libfluidsim.h"
-#include "includes/chunkmask.h"
+#include "../includes/utilities.h"
+#include "../includes/chunkmask.h"
 
 void advectDensity(JNIEnv * env, uint32_t chunk_mask, int N, int b, jobjectArray jrd, jobjectArray d0, float * u, float * v, float * w, float dt);
 
@@ -127,12 +129,12 @@ void advectDensity(JNIEnv * env, uint32_t chunk_mask, int N, int b, jobjectArray
 
                 m = n = o = 1;
 
-                if(x < 1){ m -= 1; }
+                // if(x < 1){ m -= 1; }
-                if(x >= N-1){ m += 1; }
+                // if(x >= N-1){ m += 1; }
-                if(y < 1){ n -= 1; }
+                // if(y < 1){ n -= 1; }
-                if(y >= N-1){ n += 1; }
+                // if(y >= N-1){ n += 1; }
-                if(z < 1){ o -= 1; }
+                // if(z < 1){ o -= 1; }
-                if(z >= N-1){ o += 1; }
+                // if(z >= N-1){ o += 1; }
 
                 //If the out of bounds coordinate is in bounds for a neighbor chunk, use that chunk as source instead
                 // if(CK(m,n,o) != CENTER_LOC){

src/main/c/src/velocitystep.c

@@ -3,8 +3,9 @@
 #include <immintrin.h>
 #include <stdint.h>
 
-#include "includes/utilities.h"
+#include "../includes/libfluidsim.h"
-#include "includes/chunkmask.h"
+#include "../includes/utilities.h"
+#include "../includes/chunkmask.h"
 
 
 #define BOUND_NO_DIR 0

src/main/java/electrosphere/Main.java

@@ -22,7 +22,7 @@ public class Main {
 
     public static void main(String args[]){
 
-        int dim = 5;
+        int dim = 10;
         int i = 0;
         long time = 0;
         long lastTime = 0;
@@ -36,9 +36,9 @@ public class Main {
             Mesh.initShaderProgram();
 
 
-            FluidSim[][][] simArray = initFluidSim(dim,1,dim);
+            FluidSim[][][] simArray = initFluidSim(dim,1,1);
             
-            Mesh[][][] meshArray = initMeshes(dim,1,dim,simArray);
+            Mesh[][][] meshArray = initMeshes(dim,1,1,simArray);