From eac79e0afc4f8411358d2e3167afec7796be1229 Mon Sep 17 00:00:00 2001
From: unknown <>
Date: Sun, 10 Mar 2024 18:11:32 -0400
Subject: [PATCH] swapping arrays is raw arrays only

---
 src/main/c/fluidsim.c | 63 +------------------------------------------
 1 file changed, 1 insertion(+), 62 deletions(-)

diff --git a/src/main/c/fluidsim.c b/src/main/c/fluidsim.c
index 6bf90fb..31861d8 100644
--- a/src/main/c/fluidsim.c
+++ b/src/main/c/fluidsim.c
@@ -201,36 +201,7 @@ JNIEXPORT void JNICALL Java_electrosphere_FluidSim_simulate(
             Chunk * currentChunk = chunks[i];
             chunkJRaw = currentChunk->jchunk;
             chunkMask = currentChunk->chunkMask;
-            jd = currentChunk->jd;
-            jd0 = currentChunk->jd0;
-            u = currentChunk->ju;
-            v = currentChunk->jv;
-            w = currentChunk->jw;
-            u0 = currentChunk->ju0;
-            v0 = currentChunk->jv0;
-            w0 = currentChunk->jw0;
-            setBuffArr(uJId,u0);
-            setBuffArr(u0JId,u);
-
-            setBuffArr(vJId,v0);
-            setBuffArr(v0JId,v);
-
-            setBuffArr(wJId,w0);
-            setBuffArr(w0JId,w);
-
-            jobject tmpObj;
-            tmpObj = currentChunk->ju;
-            currentChunk->ju = currentChunk->ju0;
-            currentChunk->ju0 = u;
-
-            tmpObj = currentChunk->jv;
-            currentChunk->jv = currentChunk->jv0;
-            currentChunk->jv0 = v;
-
-            tmpObj = currentChunk->jw;
-            currentChunk->jw = currentChunk->jw0;
-            currentChunk->jw0 = w;
-
+            
             float * tmpArr;
             for(int j = 0; j < 27; j++){
                 tmpArr = currentChunk->u[j];
@@ -456,35 +427,6 @@ JNIEXPORT void JNICALL Java_electrosphere_FluidSim_simulate(
             Chunk * currentChunk = chunks[i];
             chunkJRaw = currentChunk->jchunk;
             chunkMask = currentChunk->chunkMask;
-            jd = currentChunk->jd;
-            jd0 = currentChunk->jd0;
-            u = currentChunk->ju;
-            v = currentChunk->jv;
-            w = currentChunk->jw;
-            u0 = currentChunk->ju0;
-            v0 = currentChunk->jv0;
-            w0 = currentChunk->jw0;
-            setBuffArr(uJId,u0);
-            setBuffArr(u0JId,u);
-
-            setBuffArr(vJId,v0);
-            setBuffArr(v0JId,v);
-
-            setBuffArr(wJId,w0);
-            setBuffArr(w0JId,w);
-
-            jobject tmpObj;
-            tmpObj = currentChunk->ju;
-            currentChunk->ju = currentChunk->ju0;
-            currentChunk->ju0 = u;
-
-            tmpObj = currentChunk->jv;
-            currentChunk->jv = currentChunk->jv0;
-            currentChunk->jv0 = v;
-
-            tmpObj = currentChunk->jw;
-            currentChunk->jw = currentChunk->jw0;
-            currentChunk->jw0 = w;
 
             float * tmpArr;
             for(int j = 0; j < 27; j++){
@@ -819,9 +761,6 @@ JNIEXPORT void JNICALL Java_electrosphere_FluidSim_simulate(
             Chunk * currentChunk = chunks[i];
             chunkJRaw = currentChunk->jchunk;
             chunkMask = currentChunk->chunkMask;
-            u = currentChunk->ju;
-            v = currentChunk->jv;
-            w = currentChunk->jw;
             Java_electrosphere_FluidSim_advectDensity(env,chunkJRaw,DIM,chunkMask,currentChunk->d,currentChunk->d0,currentChunk->u,currentChunk->v,currentChunk->w,DIFFUSION_CONSTANT,VISCOSITY_CONSTANT,timestep);
         }
     }