merge with/from trunk at r35190

1 files changed, 41 insertions, 22 deletions

diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c
index fba96d2fd8f..5d8401d7a43 100644
--- a/source/blender/blenkernel/intern/effect.c
+++ b/source/blender/blenkernel/intern/effect.c
@@ -29,6 +29,7 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+#include <stddef.h>
 #include "BLI_storage.h" /* _LARGEFILE_SOURCE */
 
 #include <math.h>
@@ -58,6 +59,7 @@
 #include "BLI_listbase.h"
 #include "BLI_noise.h"
 #include "BLI_rand.h"
+#include "BLI_utildefines.h"
 
 #include "PIL_time.h"
 
@@ -85,8 +87,7 @@
 #include "BKE_object.h"
 #include "BKE_particle.h"
 #include "BKE_scene.h"
-#include "BKE_screen.h"
-#include "BKE_utildefines.h"
+
 
 #include "RE_render_ext.h"
 #include "RE_shader_ext.h"
@@ -165,7 +166,7 @@ PartEff *give_parteff(Object *ob)
 		if(paf->type==EFF_PARTICLE) return paf;
 		paf= paf->next;
 	}
-	return 0;
+	return NULL;
 }
 
 void free_effect(Effect *eff)
@@ -264,6 +265,9 @@ static void add_object_to_effectors(ListBase **effectors, Scene *scene, Effector
 
 	eff = new_effector_cache(scene, ob, NULL, ob->pd);
 
+	/* make sure imat is up to date */
+	invert_m4_m4(ob->imat, ob->obmat);
+
 	BLI_addtail(*effectors, eff);
 }
 static void add_particles_to_effectors(ListBase **effectors, Scene *scene, EffectorWeights *weights, Object *ob, ParticleSystem *psys, ParticleSystem *psys_src)
@@ -410,7 +414,7 @@ void pd_point_from_soft(Scene *scene, float *loc, float *vel, int index, Effecte
 /************************************************/
 
 // triangle - ray callback function
-static void eff_tri_ray_hit(void *userdata, int index, const BVHTreeRay *ray, BVHTreeRayHit *hit)
+static void eff_tri_ray_hit(void *UNUSED(userData), int UNUSED(index), const BVHTreeRay *UNUSED(ray), BVHTreeRayHit *hit)
 {	
 	// whenever we hit a bounding box, we don't check further
 	hit->dist = -1;
@@ -429,7 +433,7 @@ static float eff_calc_visibility(ListBase *colliders, EffectorCache *eff, Effect
 		return visibility;
 
 	if(!colls)
-		colls = get_collider_cache(eff->scene, NULL, NULL);
+		colls = get_collider_cache(eff->scene, eff->ob, NULL);
 
 	if(!colls)
 		return visibility;
@@ -515,7 +519,7 @@ static float falloff_func_rad(PartDeflect *pd, float fac)
 	return falloff_func(fac, pd->flag&PFIELD_USEMINR, pd->minrad, pd->flag&PFIELD_USEMAXR, pd->maxrad, pd->f_power_r);
 }
 
-float effector_falloff(EffectorCache *eff, EffectorData *efd, EffectedPoint *point, EffectorWeights *weights)
+float effector_falloff(EffectorCache *eff, EffectorData *efd, EffectedPoint *UNUSED(point), EffectorWeights *weights)
 {
 	float temp[3];
 	float falloff = weights ? weights->weight[0] * weights->weight[eff->pd->forcefield] : 1.0f;
@@ -625,7 +629,6 @@ int get_effector_data(EffectorCache *eff, EffectorData *efd, EffectedPoint *poin
 		}
 	}
 	else if(eff->psys) {
-		ParticleSimulationData sim = {eff->scene, eff->ob, eff->psys, NULL, NULL};
 		ParticleData *pa = eff->psys->particles + *efd->index;
 		ParticleKey state;
 
@@ -633,6 +636,11 @@ int get_effector_data(EffectorCache *eff, EffectorData *efd, EffectedPoint *poin
 		if(eff->psys == point->psys && *efd->index == point->index)
 			;
 		else {
+			ParticleSimulationData sim= {NULL};
+			sim.scene= eff->scene;
+			sim.ob= eff->ob;
+			sim.psys= eff->psys;
+
 			/* TODO: time from actual previous calculated frame (step might not be 1) */
 			state.time = cfra - 1.0;
 			ret = psys_get_particle_state(&sim, *efd->index, &state, 0);
@@ -643,11 +651,15 @@ int get_effector_data(EffectorCache *eff, EffectorData *efd, EffectedPoint *poin
 			//		eff->flag |= PE_VELOCITY_TO_IMPULSE;
 			//}
 
-			VECCOPY(efd->loc, state.co);
-			VECCOPY(efd->nor, state.vel);
-			if(real_velocity) {
-				VECCOPY(efd->vel, state.vel);
-			}
+			copy_v3_v3(efd->loc, state.co);
+
+			/* rather than use the velocity use rotated x-axis (defaults to velocity) */
+			efd->nor[0] = 1.f;
+			efd->nor[1] = efd->nor[2] = 0.f;
+			mul_qt_v3(state.rot, efd->nor);
+		
+			if(real_velocity)
+				copy_v3_v3(efd->vel, state.vel);
 
 			efd->size = pa->size;
 		}
@@ -667,10 +679,10 @@ int get_effector_data(EffectorCache *eff, EffectorData *efd, EffectedPoint *poin
 		/* for vortex the shape chooses between old / new force */
 		if(eff->pd && eff->pd->shape == PFIELD_SHAPE_PLANE) {
 			/* efd->loc is closes point on effector xy-plane */
-			float temp[3];
+			float temp[3], translate[3];
 			sub_v3_v3v3(temp, point->loc, ob->obmat[3]);
-			project_v3_v3v3(efd->loc, temp, efd->nor);
-			sub_v3_v3v3(efd->loc, point->loc, efd->loc);
+			project_v3_v3v3(translate, temp, efd->nor);
+			add_v3_v3v3(efd->loc, ob->obmat[3], translate);
 		}
 		else {
 			VECCOPY(efd->loc, ob->obmat[3]);
@@ -712,7 +724,7 @@ int get_effector_data(EffectorCache *eff, EffectorData *efd, EffectedPoint *poin
 
 	return ret;
 }
-static void get_effector_tot(EffectorCache *eff, EffectorData *efd, EffectedPoint *point, int *tot, int *p)
+static void get_effector_tot(EffectorCache *eff, EffectorData *efd, EffectedPoint *point, int *tot, int *p, int *step)
 {
 	if(eff->pd->shape == PFIELD_SHAPE_POINTS) {
 		efd->index = p;
@@ -745,6 +757,13 @@ static void get_effector_tot(EffectorCache *eff, EffectorData *efd, EffectedPoin
 			*p= point->index % eff->psys->totpart;
 			*tot= *p + 1;
 		}
+
+		if(eff->psys->part->effector_amount) {
+			int totpart = eff->psys->totpart;
+			int amount = eff->psys->part->effector_amount;
+
+			*step = (totpart > amount) ? totpart/amount : 1;
+		}
 	}
 	else {
 		*p = 0;
@@ -762,7 +781,7 @@ static void do_texture_effector(EffectorCache *eff, EffectorData *efd, EffectedP
 	if(!eff->pd->tex)
 		return;
 
-	result[0].nor = result[1].nor = result[2].nor = result[3].nor = 0;
+	result[0].nor = result[1].nor = result[2].nor = result[3].nor = NULL;
 
 	strength= eff->pd->f_strength * efd->falloff;
 
@@ -774,7 +793,7 @@ static void do_texture_effector(EffectorCache *eff, EffectorData *efd, EffectedP
 	}
 
 	if(eff->pd->flag & PFIELD_TEX_OBJECT) {
-		mul_m4_v3(eff->ob->obmat, tex_co);
+		mul_m4_v3(eff->ob->imat, tex_co);
 	}
 
 	hasrgb = multitex_ext(eff->pd->tex, tex_co, NULL,NULL, 0, result);
@@ -826,7 +845,7 @@ static void do_texture_effector(EffectorCache *eff, EffectorData *efd, EffectedP
 
 	add_v3_v3(total_force, force);
 }
-void do_physical_effector(EffectorCache *eff, EffectorData *efd, EffectedPoint *point, float *total_force)
+static void do_physical_effector(EffectorCache *eff, EffectorData *efd, EffectedPoint *point, float *total_force)
 {
 	PartDeflect *pd = eff->pd;
 	RNG *rng = pd->rng;
@@ -982,7 +1001,7 @@ void pdDoEffectors(ListBase *effectors, ListBase *colliders, EffectorWeights *we
 */
 	EffectorCache *eff;
 	EffectorData efd;
-	int p=0, tot = 1;
+	int p=0, tot = 1, step = 1;
 
 	/* Cycle through collected objects, get total of (1/(gravity_strength * dist^gravity_power)) */
 	/* Check for min distance here? (yes would be cool to add that, ton) */
@@ -990,9 +1009,9 @@ void pdDoEffectors(ListBase *effectors, ListBase *colliders, EffectorWeights *we
 	if(effectors) for(eff = effectors->first; eff; eff=eff->next) {
 		/* object effectors were fully checked to be OK to evaluate! */
 
-		get_effector_tot(eff, &efd, point, &tot, &p);
+		get_effector_tot(eff, &efd, point, &tot, &p, &step);
 
-		for(; p<tot; p++) {
+		for(; p<tot; p+=step) {
 			if(get_effector_data(eff, &efd, point, 0)) {
 				efd.falloff= effector_falloff(eff, &efd, point, weights);