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Fix #31556: cycles object info random value was not properly randomized for

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dupligroups.
This commit is contained in:
Brecht Van Lommel 2012-05-29 10:34:16 +00:00
parent e530b50d17
commit 9e2f377273
3 changed files with 9 additions and 8 deletions
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8
intern/cycles/blender/blender_object.cpp
View File

@ -29,6 +29,7 @@
#include "blender_util.h"
#include "util_foreach.h"
#include "util_hash.h"
CCL_NAMESPACE_BEGIN
@ -245,17 +246,20 @@ void BlenderSync::sync_object(BL::Object b_parent, int b_index, BL::Object b_ob,
/* object sync */
if(object_updated || (object->mesh && object->mesh->need_update)) {
object->name = b_ob.name().c_str();
object->instance_id = b_index;
object->pass_id = b_ob.pass_index();
object->tfm = tfm;
object->motion.pre = tfm;
object->motion.post = tfm;
object->use_motion = false;
object->random_id = hash_int_2d(hash_string(object->name.c_str()), b_index);
/* visibility flags for both parent */
object->visibility = object_ray_visibility(b_ob) & PATH_RAY_ALL;
if(b_parent.ptr.data != b_ob.ptr.data)
if(b_parent.ptr.data != b_ob.ptr.data) {
object->visibility &= object_ray_visibility(b_parent);
object->random_id ^= hash_int(hash_string(b_parent.name().c_str()));
}
/* camera flag is not actually used, instead is tested
against render layer flags */

7
intern/cycles/render/object.cpp
View File

@ -23,7 +23,6 @@
#include "scene.h"
#include "util_foreach.h"
#include "util_hash.h"
#include "util_map.h"
#include "util_progress.h"
@ -37,7 +36,7 @@ Object::Object()
mesh = NULL;
tfm = transform_identity();
visibility = ~0;
instance_id = 0;
random_id = 0;
pass_id = 0;
bounds = BoundBox::empty;
motion.pre = transform_identity();
@ -165,9 +164,7 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene
float uniform_scale;
float surface_area = 0.0f;
float pass_id = ob->pass_id;
uint ob_hash = hash_int_2d(hash_string(ob->name.c_str()), ob->instance_id);
float random_number = (float)ob_hash * (1.0f/(float)0xFFFFFFFF);
float random_number = (float)ob->random_id * (1.0f/(float)0xFFFFFFFF);
if(transform_uniform_scale(tfm, uniform_scale)) {
map<Mesh*, float>::iterator it = surface_area_map.find(mesh);

2
intern/cycles/render/object.h
View File

@ -41,7 +41,7 @@ public:
Transform tfm;
BoundBox bounds;
ustring name;
int instance_id;
int random_id;
int pass_id;
vector<ParamValue> attributes;
uint visibility;