code cleanup: give rng functions BLI prefix.

7 files changed, 75 insertions, 78 deletions

diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c
index 88490dbb960..1f6db19ac27 100644
--- a/source/blender/blenkernel/intern/effect.c
+++ b/source/blender/blenkernel/intern/effect.c
@@ -166,7 +166,7 @@ void free_partdeflect(PartDeflect *pd)
 		pd->tex->id.us--;
 
 	if (pd->rng)
-		rng_free(pd->rng);
+		BLI_rng_free(pd->rng);
 
 	MEM_freeN(pd);
 }
@@ -175,9 +175,9 @@ static void precalculate_effector(EffectorCache *eff)
 {
 	unsigned int cfra = (unsigned int)(eff->scene->r.cfra >= 0 ? eff->scene->r.cfra : -eff->scene->r.cfra);
 	if (!eff->pd->rng)
-		eff->pd->rng = rng_new(eff->pd->seed + cfra);
+		eff->pd->rng = BLI_rng_new(eff->pd->seed + cfra);
 	else
-		rng_srandom(eff->pd->rng, eff->pd->seed + cfra);
+		BLI_rng_srandom(eff->pd->rng, eff->pd->seed + cfra);
 
 	if (eff->pd->forcefield == PFIELD_GUIDE && eff->ob->type==OB_CURVE) {
 		Curve *cu= eff->ob->data;
@@ -455,8 +455,8 @@ static float eff_calc_visibility(ListBase *colliders, EffectorCache *eff, Effect
 // noise function for wind e.g.
 static float wind_func(struct RNG *rng, float strength)
 {
-	int random = (rng_getInt(rng)+1) % 128; // max 2357
-	float force = rng_getFloat(rng) + 1.0f;
+	int random = (BLI_rng_get_int(rng)+1) % 128; // max 2357
+	float force = BLI_rng_get_float(rng) + 1.0f;
 	float ret;
 	float sign = 0;
 	
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c
index 8bf11723fd5..50927d705e2 100644
--- a/source/blender/blenkernel/intern/particle.c
+++ b/source/blender/blenkernel/intern/particle.c
@@ -2464,7 +2464,7 @@ static int psys_threads_init_path(ParticleThread *threads, Scene *scene, float c
 		totthread = 1;
 	
 	for (i = 0; i < totthread; i++) {
-		threads[i].rng_path = rng_new(seed);
+		threads[i].rng_path = BLI_rng_new(seed);
 		threads[i].tot = totthread;
 	}
 
diff --git a/source/blender/blenkernel/intern/particle_system.c b/source/blender/blenkernel/intern/particle_system.c
index d3f416b34ae..3354ea7ddce 100644
--- a/source/blender/blenkernel/intern/particle_system.c
+++ b/source/blender/blenkernel/intern/particle_system.c
@@ -632,10 +632,10 @@ static void hammersley_create(float *out, int n, int seed, float amount)
 	double p, t, offs[2];
 	int k, kk;
 
-	rng = rng_new(31415926 + n + seed);
-	offs[0] = rng_getDouble(rng) + (double)amount;
-	offs[1] = rng_getDouble(rng) + (double)amount;
-	rng_free(rng);
+	rng = BLI_rng_new(31415926 + n + seed);
+	offs[0] = BLI_rng_get_double(rng) + (double)amount;
+	offs[1] = BLI_rng_get_double(rng) + (double)amount;
+	BLI_rng_free(rng);
 
 	for (k = 0; k < n; k++) {
 		t = 0;
@@ -661,13 +661,13 @@ static void init_mv_jit(float *jit, int num, int seed2, float amount)
 	rad2= (float)(1.0f/((float)num));
 	rad3= (float)sqrt((float)num)/((float)num);
 
-	rng = rng_new(31415926 + num + seed2);
+	rng = BLI_rng_new(31415926 + num + seed2);
 	x= 0;
 		num2 = 2 * num;
 	for (i=0; i<num2; i+=2) {
 	
-		jit[i] = x + amount*rad1*(0.5f - rng_getFloat(rng));
-		jit[i+1] = i/(2.0f*num) + amount*rad1*(0.5f - rng_getFloat(rng));
+		jit[i] = x + amount*rad1*(0.5f - BLI_rng_get_float(rng));
+		jit[i+1] = i/(2.0f*num) + amount*rad1*(0.5f - BLI_rng_get_float(rng));
 		
 		jit[i]-= (float)floor(jit[i]);
 		jit[i+1]-= (float)floor(jit[i+1]);
@@ -684,7 +684,7 @@ static void init_mv_jit(float *jit, int num, int seed2, float amount)
 		BLI_jitterate2(jit, jit2, num, rad2);
 	}
 	MEM_freeN(jit2);
-	rng_free(rng);
+	BLI_rng_free(rng);
 }
 
 static void psys_uv_to_w(float u, float v, int quad, float *w)
@@ -804,8 +804,8 @@ static void distribute_threads_exec(ParticleThread *thread, ParticleData *pa, Ch
 			}
 			break;
 		case PART_DISTR_RAND:
-			randu= rng_getFloat(thread->rng);
-			randv= rng_getFloat(thread->rng);
+			randu= BLI_rng_get_float(thread->rng);
+			randv= BLI_rng_get_float(thread->rng);
 			rng_skip_tot -= 2;
 
 			psys_uv_to_w(randu, randv, mface->v4, pa->fuv);
@@ -881,8 +881,8 @@ static void distribute_threads_exec(ParticleThread *thread, ParticleData *pa, Ch
 
 		mf= dm->getTessFaceData(dm, ctx->index[p], CD_MFACE);
 
-		randu= rng_getFloat(thread->rng);
-		randv= rng_getFloat(thread->rng);
+		randu= BLI_rng_get_float(thread->rng);
+		randv= BLI_rng_get_float(thread->rng);
 		rng_skip_tot -= 2;
 
 		psys_uv_to_w(randu, randv, mf->v4, cpa->fuv);
@@ -934,7 +934,7 @@ static void distribute_threads_exec(ParticleThread *thread, ParticleData *pa, Ch
 	}
 
 	if (rng_skip_tot > 0) /* should never be below zero */
-		rng_skip(thread->rng, rng_skip_tot);
+		BLI_rng_skip(thread->rng, rng_skip_tot);
 }
 
 static void *distribute_threads_exec_cb(void *data)
@@ -951,12 +951,12 @@ static void *distribute_threads_exec_cb(void *data)
 
 		for (p=0; p<totpart; p++, cpa++) {
 			if (thread->ctx->skip) /* simplification skip */
-				rng_skip(thread->rng, PSYS_RND_DIST_SKIP * thread->ctx->skip[p]);
+				BLI_rng_skip(thread->rng, PSYS_RND_DIST_SKIP * thread->ctx->skip[p]);
 
 			if ((p+thread->num) % thread->tot == 0)
 				distribute_threads_exec(thread, NULL, cpa, p);
 			else /* thread skip */
-				rng_skip(thread->rng, PSYS_RND_DIST_SKIP);
+				BLI_rng_skip(thread->rng, PSYS_RND_DIST_SKIP);
 		}
 	}
 	else {
@@ -1353,7 +1353,7 @@ static int distribute_threads_init_data(ParticleThread *threads, Scene *scene, D
 	
 	seed= 31415926 + ctx->sim.psys->seed;
 	for (i=0; i<totthread; i++) {
-		threads[i].rng= rng_new(seed);
+		threads[i].rng= BLI_rng_new(seed);
 		threads[i].tot= totthread;
 	}
 
@@ -1492,9 +1492,9 @@ void psys_threads_free(ParticleThread *threads)
 	/* threads */
 	for (i=0; i<totthread; i++) {
 		if (threads[i].rng)
-			rng_free(threads[i].rng);
+			BLI_rng_free(threads[i].rng);
 		if (threads[i].rng_path)
-			rng_free(threads[i].rng_path);
+			BLI_rng_free(threads[i].rng_path);
 	}
 
 	MEM_freeN(ctx);
diff --git a/source/blender/blenlib/BLI_rand.h b/source/blender/blenlib/BLI_rand.h
index 7dd6c8575c9..3bc9a3bdb32 100644
--- a/source/blender/blenlib/BLI_rand.h
+++ b/source/blender/blenlib/BLI_rand.h
@@ -40,18 +40,18 @@
 struct RNG;
 typedef struct RNG RNG;
 
-struct RNG *rng_new(unsigned int seed);
-void        rng_free(struct RNG *rng);
+struct RNG *BLI_rng_new(unsigned int seed);
+void        BLI_rng_free(struct RNG *rng);
 
-void        rng_seed(struct RNG *rng, unsigned int seed);
-void rng_srandom(struct RNG *rng, unsigned int seed);
-int         rng_getInt(struct RNG *rng);
-double      rng_getDouble(struct RNG *rng);
-float       rng_getFloat(struct RNG *rng);
-void        rng_shuffleArray(struct RNG *rng, void *data, int elemSize, int numElems);
+void        BLI_rng_seed(struct RNG *rng, unsigned int seed);
+void        BLI_rng_srandom(struct RNG *rng, unsigned int seed);
+int         BLI_rng_get_int(struct RNG *rng);
+double      BLI_rng_get_double(struct RNG *rng);
+float       BLI_rng_get_float(struct RNG *rng);
+void        BLI_rng_shuffle_array(struct RNG *rng, void *data, int elemSize, int numElems);
 
 /** Note that skipping is as slow as generating n numbers! */
-void        rng_skip(struct RNG *rng, int n);
+void        BLI_rng_skip(struct RNG *rng, int n);
 
 /** Seed the random number generator */
 void    BLI_srand(unsigned int seed);
@@ -94,7 +94,4 @@ int     BLI_thread_rand(int thread);
 /** Allows up to BLENDER_MAX_THREADS threads to address */
 float   BLI_thread_frand(int thread);
 
-
-
-#endif
-
+#endif  /* __BLI_RAND_H__ */
diff --git a/source/blender/blenlib/intern/rand.c b/source/blender/blenlib/intern/rand.c
index 3c22d73d113..76d17f34b5e 100644
--- a/source/blender/blenlib/intern/rand.c
+++ b/source/blender/blenlib/intern/rand.c
@@ -64,51 +64,51 @@ struct RNG {
 	r_uint64 X;
 };
 
-RNG *rng_new(unsigned int seed)
+RNG *BLI_rng_new(unsigned int seed)
 {
 	RNG *rng = MEM_mallocN(sizeof(*rng), "rng");
 
-	rng_seed(rng, seed);
+	BLI_rng_seed(rng, seed);
 
 	return rng;
 }
 
-void rng_free(RNG *rng)
+void BLI_rng_free(RNG *rng)
 {
 	MEM_freeN(rng);
 }
 
-void rng_seed(RNG *rng, unsigned int seed)
+void BLI_rng_seed(RNG *rng, unsigned int seed)
 {
 	rng->X = (((r_uint64) seed) << 16) | LOWSEED;
 }
 
-void rng_srandom(RNG *rng, unsigned int seed)
+void BLI_rng_srandom(RNG *rng, unsigned int seed)
 {
-	rng_seed(rng, seed + hash[seed & 255]);
-	seed = rng_getInt(rng);
-	rng_seed(rng, seed + hash[seed & 255]);
-	seed = rng_getInt(rng);
-	rng_seed(rng, seed + hash[seed & 255]);
+	BLI_rng_seed(rng, seed + hash[seed & 255]);
+	seed = BLI_rng_get_int(rng);
+	BLI_rng_seed(rng, seed + hash[seed & 255]);
+	seed = BLI_rng_get_int(rng);
+	BLI_rng_seed(rng, seed + hash[seed & 255]);
 }
 
-int rng_getInt(RNG *rng)
+int BLI_rng_get_int(RNG *rng)
 {
 	rng->X = (MULTIPLIER * rng->X + ADDEND) & MASK;
 	return (int) (rng->X >> 17);
 }
 
-double rng_getDouble(RNG *rng)
+double BLI_rng_get_double(RNG *rng)
 {
-	return (double) rng_getInt(rng) / 0x80000000;
+	return (double) BLI_rng_get_int(rng) / 0x80000000;
 }
 
-float rng_getFloat(RNG *rng)
+float BLI_rng_get_float(RNG *rng)
 {
-	return (float) rng_getInt(rng) / 0x80000000;
+	return (float) BLI_rng_get_int(rng) / 0x80000000;
 }
 
-void rng_shuffleArray(RNG *rng, void *data, int elemSize, int numElems)
+void BLI_rng_shuffle_array(RNG *rng, void *data, int elemSize, int numElems)
 {
 	int i = numElems;
 	void *temp;
@@ -122,7 +122,7 @@ void rng_shuffleArray(RNG *rng, void *data, int elemSize, int numElems)
 	/* XXX Shouldn't it rather be "while (i--) {" ?
 	 *     Else we have no guaranty first (0) element has a chance to be shuffled... --mont29 */
 	while (--i) {
-		int j = rng_getInt(rng) % numElems;
+		int j = BLI_rng_get_int(rng) % numElems;
 		if (i != j) {
 			void *iElem = (unsigned char *)data + i * elemSize;
 			void *jElem = (unsigned char *)data + j * elemSize;
@@ -135,12 +135,12 @@ void rng_shuffleArray(RNG *rng, void *data, int elemSize, int numElems)
 	free(temp);
 }
 
-void rng_skip(RNG *rng, int n)
+void BLI_rng_skip(RNG *rng, int n)
 {
 	int i;
 
 	for (i = 0; i < n; i++)
-		rng_getInt(rng);
+		BLI_rng_get_int(rng);
 }
 
 /***/
@@ -150,28 +150,28 @@ static RNG theBLI_rng = {0};
 /* note, this one creates periodical patterns */
 void BLI_srand(unsigned int seed)
 {
-	rng_seed(&theBLI_rng, seed);
+	BLI_rng_seed(&theBLI_rng, seed);
 }
 
 /* using hash table to create better seed */
 void BLI_srandom(unsigned int seed)
 {
-	rng_srandom(&theBLI_rng, seed);
+	BLI_rng_srandom(&theBLI_rng, seed);
 }
 
 int BLI_rand(void)
 {
-	return rng_getInt(&theBLI_rng);
+	return BLI_rng_get_int(&theBLI_rng);
 }
 
 double BLI_drand(void)
 {
-	return rng_getDouble(&theBLI_rng);
+	return BLI_rng_get_double(&theBLI_rng);
 }
 
 float BLI_frand(void)
 {
-	return rng_getFloat(&theBLI_rng);
+	return BLI_rng_get_float(&theBLI_rng);
 }
 
 void BLI_fillrand(void *addr, int len)
@@ -179,16 +179,16 @@ void BLI_fillrand(void *addr, int len)
 	RNG rng;
 	unsigned char *p = addr;
 
-	rng_seed(&rng, (unsigned int) (PIL_check_seconds_timer() * 0x7FFFFFFF));
-	while (len--) *p++ = rng_getInt(&rng) & 0xFF;
+	BLI_rng_seed(&rng, (unsigned int) (PIL_check_seconds_timer() * 0x7FFFFFFF));
+	while (len--) *p++ = BLI_rng_get_int(&rng) & 0xFF;
 }
 
 void BLI_array_randomize(void *data, int elemSize, int numElems, unsigned int seed)
 {
 	RNG rng;
 
-	rng_seed(&rng, seed);
-	rng_shuffleArray(&rng, data, elemSize, numElems);
+	BLI_rng_seed(&rng, seed);
+	BLI_rng_shuffle_array(&rng, data, elemSize, numElems);
 }
 
 /* ********* for threaded random ************** */
@@ -200,20 +200,20 @@ void BLI_thread_srandom(int thread, unsigned int seed)
 	if (thread >= BLENDER_MAX_THREADS)
 		thread = 0;
 	
-	rng_seed(&rng_tab[thread], seed + hash[seed & 255]);
-	seed = rng_getInt(&rng_tab[thread]);
-	rng_seed(&rng_tab[thread], seed + hash[seed & 255]);
-	seed = rng_getInt(&rng_tab[thread]);
-	rng_seed(&rng_tab[thread], seed + hash[seed & 255]);
+	BLI_rng_seed(&rng_tab[thread], seed + hash[seed & 255]);
+	seed = BLI_rng_get_int(&rng_tab[thread]);
+	BLI_rng_seed(&rng_tab[thread], seed + hash[seed & 255]);
+	seed = BLI_rng_get_int(&rng_tab[thread]);
+	BLI_rng_seed(&rng_tab[thread], seed + hash[seed & 255]);
 }
 
 int BLI_thread_rand(int thread)
 {
-	return rng_getInt(&rng_tab[thread]);
+	return BLI_rng_get_int(&rng_tab[thread]);
 }
 
 float BLI_thread_frand(int thread)
 {
-	return rng_getFloat(&rng_tab[thread]);
+	return BLI_rng_get_float(&rng_tab[thread]);
 }
 
diff --git a/source/blender/editors/uvedit/uvedit_parametrizer.c b/source/blender/editors/uvedit/uvedit_parametrizer.c
index 83817e758af..8d34108011a 100644
--- a/source/blender/editors/uvedit/uvedit_parametrizer.c
+++ b/source/blender/editors/uvedit/uvedit_parametrizer.c
@@ -3306,7 +3306,7 @@ static void p_chart_stretch_minimize(PChart *chart, RNG *rng)
 
 		trusted_radius /= 2 * nedges;
 
-		random_angle = rng_getFloat(rng) * 2.0f * (float)M_PI;
+		random_angle = BLI_rng_get_float(rng) * 2.0f * (float)M_PI;
 		dir[0] = trusted_radius * cosf(random_angle);
 		dir[1] = trusted_radius * sinf(random_angle);
 
@@ -4285,7 +4285,7 @@ void param_stretch_begin(ParamHandle *handle)
 	param_assert(phandle->state == PHANDLE_STATE_CONSTRUCTED);
 	phandle->state = PHANDLE_STATE_STRETCH;
 
-	phandle->rng = rng_new(31415926);
+	phandle->rng = BLI_rng_new(31415926);
 	phandle->blend = 0.0f;
 
 	for (i = 0; i < phandle->ncharts; i++) {
@@ -4332,7 +4332,7 @@ void param_stretch_end(ParamHandle *handle)
 	param_assert(phandle->state == PHANDLE_STATE_STRETCH);
 	phandle->state = PHANDLE_STATE_CONSTRUCTED;
 
-	rng_free(phandle->rng);
+	BLI_rng_free(phandle->rng);
 	phandle->rng = NULL;
 }
 
diff --git a/source/blender/render/intern/source/convertblender.c b/source/blender/render/intern/source/convertblender.c
index f1e8d532cda..6034fd5c52f 100644
--- a/source/blender/render/intern/source/convertblender.c
+++ b/source/blender/render/intern/source/convertblender.c
@@ -1613,7 +1613,7 @@ static int render_new_particle_system(Render *re, ObjectRen *obr, ParticleSystem
 
 	psys->flag |= PSYS_DRAWING;
 
-	rng= rng_new(psys->seed);
+	rng= BLI_rng_new(psys->seed);
 
 	totpart=psys->totpart;
 
@@ -1763,7 +1763,7 @@ static int render_new_particle_system(Render *re, ObjectRen *obr, ParticleSystem
 
 /* 3. start creating renderable things */
 	for (a=0, pa=pars; a<totpart+totchild; a++, pa++, seed++) {
-		random = rng_getFloat(rng);
+		random = BLI_rng_get_float(rng);
 		/* setup per particle individual stuff */
 		if (a<totpart) {
 			if (pa->flag & PARS_UNEXIST) continue;
@@ -2099,7 +2099,7 @@ static int render_new_particle_system(Render *re, ObjectRen *obr, ParticleSystem
 	if (states)
 		MEM_freeN(states);
 	
-	rng_free(rng);
+	BLI_rng_free(rng);
 
 	psys->flag &= ~PSYS_DRAWING;