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More setup for multiple chunks

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unknown 2023-07-24 18:06:44 -04:00
parent 651435bd19
commit d55ee5ac89
1 changed files with 31 additions and 2 deletions
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33
src/main/c/velocitystep.c
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@ -415,6 +415,7 @@ void advect(JNIEnv * env, uint32_t chunk_mask, int N, int b, jobjectArray jrd, f
for(k=1; k<N-1; k++){
for(j=1; j<N-1; j++){
for(i=1; i<N-1; i++){
sampleArr = d0;
//calculate location to pull from
x = i-dtx*u[IX(i,j,k)];
y = j-dty*v[IX(i,j,k)];
@ -531,11 +532,39 @@ JNIEXPORT void JNICALL Java_electrosphere_FluidSim_setBoundsToNeighbors
jobjectArray neighborArray){
int DIM = N;
float * target = GET_ARR(env,neighborArray,CENTER_LOC);
float * source;
// if(ARR_EXISTS(chunk_mask,0,1,1)){
// source = GET_ARR(env,neighborArray,CK(0,1,1));
// for(int x=1; x < DIM-1; x++){
// for(int y = 1; y < DIM-1; y++){
// target[IX(0,x,y)] = source[IX(DIM-2,x,y)];
// }
// }
// } else {
for(int x=1; x < DIM-1; x++){
for(int y = 1; y < DIM-1; y++){
target[IX(0,x,y)] = vector_dir==BOUND_DIR_U ? -target[IX(1,x,y)] : target[IX(1,x,y)];
}
}
// }
// if(ARR_EXISTS(chunk_mask,2,1,1)){
// source = GET_ARR(env,neighborArray,CK(2,1,1));
// for(int x=1; x < DIM-1; x++){
// for(int y = 1; y < DIM-1; y++){
// target[IX(DIM-1,x,y)] = source[IX(1,x,y)];
// }
// }
// } else {
for(int x=1; x < DIM-1; x++){
for(int y = 1; y < DIM-1; y++){
target[IX(DIM-1,x,y)] = vector_dir==BOUND_DIR_U ? -target[IX(DIM-2,x,y)] : target[IX(DIM-2,x,y)];
}
}
// }
for(int x=1; x < DIM-1; x++){
for(int y = 1; y < DIM-1; y++){
//((x)+(DIM)*(y) + (DIM)*(DIM)*(z))
target[IX(0,x,y)] = vector_dir==BOUND_DIR_U ? -target[IX(1,x,y)] : target[IX(1,x,y)];
target[IX(DIM-1,x,y)] = vector_dir==BOUND_DIR_U ? -target[IX(DIM-2,x,y)] : target[IX(DIM-2,x,y)];
target[IX(x,0,y)] = vector_dir==BOUND_DIR_V ? -target[IX(x,1,y)] : target[IX(x,1,y)];
target[IX(x,DIM-1,y)] = vector_dir==BOUND_DIR_V ? -target[IX(x,DIM-2,y)] : target[IX(x,DIM-2,y)];
target[IX(x,y,0)] = vector_dir==BOUND_DIR_W ? -target[IX(x,y,1)] : target[IX(x,y,1)];