Differential D13244 Diff 44816 intern/cycles/kernel/geom/primitive.h

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intern/cycles/kernel/geom/primitive.h

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/* deformation motion */		/* deformation motion */
AttributeDescriptor desc = find_attribute(kg, sd, ATTR_STD_MOTION_VERTEX_POSITION);		AttributeDescriptor desc = find_attribute(kg, sd, ATTR_STD_MOTION_VERTEX_POSITION);

if (desc.offset != ATTR_STD_NOT_FOUND) {		if (desc.offset != ATTR_STD_NOT_FOUND) {
/* get motion info */		/* get motion info */
int numverts, numkeys;		int numverts, numkeys;
object_motion_info(kg, sd->object, NULL, &numverts, &numkeys);		object_motion_info(kg, sd->object, NULL, &numverts, &numkeys);

/* lookup attributes */
motion_pre = primitive_surface_attribute_float3(kg, sd, desc, NULL, NULL);

desc.offset += (sd->type & PRIMITIVE_ALL_TRIANGLE) ? numverts : numkeys;
motion_post = primitive_surface_attribute_float3(kg, sd, desc, NULL, NULL);

#ifdef __HAIR__		#ifdef __HAIR__
if (is_curve_primitive && (sd->object_flag & SD_OBJECT_HAS_VERTEX_MOTION) == 0) {		if (is_curve_primitive) {
		motion_pre = float4_to_float3(curve_attribute_float4(kg, sd, desc, NULL, NULL));
		desc.offset += numkeys;
		motion_post = float4_to_float3(curve_attribute_float4(kg, sd, desc, NULL, NULL));

		/* Curve */
		if ((sd->object_flag & SD_OBJECT_HAS_VERTEX_MOTION) == 0) {
object_position_transform(kg, sd, &motion_pre);		object_position_transform(kg, sd, &motion_pre);
object_position_transform(kg, sd, &motion_post);		object_position_transform(kg, sd, &motion_post);
}		}
		}
		else
#endif		#endif
		if (sd->type & PRIMITIVE_ALL_TRIANGLE) {
		/* Triangle */
		if (subd_triangle_patch(kg, sd) == ~0) {
		motion_pre = triangle_attribute_float3(kg, sd, desc, NULL, NULL);
		desc.offset += numverts;
		motion_post = triangle_attribute_float3(kg, sd, desc, NULL, NULL);
		}
		else {
		motion_pre = subd_triangle_attribute_float3(kg, sd, desc, NULL, NULL);
		desc.offset += numverts;
		motion_post = subd_triangle_attribute_float3(kg, sd, desc, NULL, NULL);
		}
		}
}		}

/* object motion. note that depending on the mesh having motion vectors, this		/* object motion. note that depending on the mesh having motion vectors, this
* transformation was set match the world/object space of motion_pre/post */		* transformation was set match the world/object space of motion_pre/post */
Transform tfm;		Transform tfm;

tfm = object_fetch_motion_pass_transform(kg, sd->object, OBJECT_PASS_MOTION_PRE);		tfm = object_fetch_motion_pass_transform(kg, sd->object, OBJECT_PASS_MOTION_PRE);
motion_pre = transform_point(&tfm, motion_pre);		motion_pre = transform_point(&tfm, motion_pre);
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