[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [31982] trunk/blender/source/blender/ makesrna/intern: patch [#23840] [Pose]Bone.envelope(point=(0, 0, 0))

Campbell Barton ideasman42 at gmail.com
Fri Sep 17 18:45:43 CEST 2010


Revision: 31982
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=31982
Author:   campbellbarton
Date:     2010-09-17 18:45:42 +0200 (Fri, 17 Sep 2010)

Log Message:
-----------
patch [#23840] [Pose]Bone.envelope(point=(0,0,0))
from Dan Eicher (dna) 

Basically just wraps distfactor_to_bone() and passes the correct head/tail depending on which bone type it's called
from.

note:
 renamed envelope() --> evaluate_envelope()

Modified Paths:
--------------
    trunk/blender/source/blender/makesrna/intern/rna_armature.c
    trunk/blender/source/blender/makesrna/intern/rna_armature_api.c
    trunk/blender/source/blender/makesrna/intern/rna_internal.h
    trunk/blender/source/blender/makesrna/intern/rna_pose_api.c

Modified: trunk/blender/source/blender/makesrna/intern/rna_armature.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_armature.c	2010-09-17 15:11:12 UTC (rev 31981)
+++ trunk/blender/source/blender/makesrna/intern/rna_armature.c	2010-09-17 16:45:42 UTC (rev 31982)
@@ -581,6 +581,8 @@
 	RNA_def_property_float_sdna(prop, NULL, "arm_head");
 	RNA_def_property_array(prop, 3);
 	RNA_def_property_ui_text(prop, "Armature-Relative Head", "Location of head end of the bone relative to armature");
+
+	RNA_api_bone(srna);
 }
 
 static void rna_def_edit_bone(BlenderRNA *brna)

Modified: trunk/blender/source/blender/makesrna/intern/rna_armature_api.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_armature_api.c	2010-09-17 15:11:12 UTC (rev 31981)
+++ trunk/blender/source/blender/makesrna/intern/rna_armature_api.c	2010-09-17 16:45:42 UTC (rev 31982)
@@ -36,8 +36,8 @@
 #include <stddef.h>
 
 #include "BLI_blenlib.h"
+#include "BKE_armature.h"
 
-
 void rna_EditBone_align_roll(EditBone *ebo, float *no)
 {
 	if(!is_zero_v3(no)) {
@@ -48,6 +48,12 @@
 	}
 }
 
+float rna_Bone_do_envelope(Bone *bone, float *vec)
+{
+	float scale = (bone->flag & BONE_MULT_VG_ENV) == BONE_MULT_VG_ENV ? bone->weight : 1.0f;
+	return distfactor_to_bone(vec, bone->head, bone->tail, bone->rad_head * scale, bone->rad_tail * scale, bone->dist * scale);
+}
+
 #else
 
 void RNA_api_armature_edit_bone(StructRNA *srna)
@@ -61,4 +67,18 @@
 	RNA_def_property_flag(parm, PROP_REQUIRED);
 }
 
+void RNA_api_bone(StructRNA *srna)
+{
+	PropertyRNA *parm;
+	FunctionRNA *func;
+
+	func= RNA_def_function(srna, "evaluate_envelope", "rna_Bone_do_envelope");
+	RNA_def_function_ui_description(func, "Calculate bone envelope at given point.");
+	parm= RNA_def_float_vector_xyz(func, "point", 3, NULL, -FLT_MAX, FLT_MAX, "Point", "Position in 3d space to evaluate", -FLT_MAX, FLT_MAX);
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	/* return value */
+	parm= RNA_def_float(func, "factor", 0, -FLT_MAX, FLT_MAX, "Factor", "Envelope factor", -FLT_MAX, FLT_MAX);
+	RNA_def_function_return(func, parm);
+}
+
 #endif

Modified: trunk/blender/source/blender/makesrna/intern/rna_internal.h
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_internal.h	2010-09-17 15:11:12 UTC (rev 31981)
+++ trunk/blender/source/blender/makesrna/intern/rna_internal.h	2010-09-17 16:45:42 UTC (rev 31982)
@@ -224,6 +224,7 @@
 
 void RNA_api_action(StructRNA *srna);
 void RNA_api_armature_edit_bone(StructRNA *srna);
+void RNA_api_bone(StructRNA *srna);
 void RNA_api_drivers(StructRNA *srna);
 void RNA_api_image(struct StructRNA *srna);
 void RNA_api_operator(struct StructRNA *srna);

Modified: trunk/blender/source/blender/makesrna/intern/rna_pose_api.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_pose_api.c	2010-09-17 15:11:12 UTC (rev 31981)
+++ trunk/blender/source/blender/makesrna/intern/rna_pose_api.c	2010-09-17 16:45:42 UTC (rev 31982)
@@ -41,8 +41,16 @@
 
 /* #include "DNA_anim_types.h" */
 #include "DNA_action_types.h" /* bPose */
+#include "BKE_armature.h"
 
+static float rna_PoseBone_do_envelope(bPoseChannel *chan, float *vec)
+{
+	Bone *bone = chan->bone;
 
+	float scale = (bone->flag & BONE_MULT_VG_ENV) == BONE_MULT_VG_ENV ? bone->weight : 1.0f;
+
+	return distfactor_to_bone(vec, chan->pose_head, chan->pose_tail, bone->rad_head * scale, bone->rad_tail * scale, bone->dist * scale);
+}
 #else
 
 void RNA_api_pose(StructRNA *srna)
@@ -53,8 +61,16 @@
 
 void RNA_api_pose_channel(StructRNA *srna)
 {
-//	FunctionRNA *func;
-//	PropertyRNA *parm;
+	PropertyRNA *parm;
+	FunctionRNA *func;
+
+	func= RNA_def_function(srna, "envelope", "rna_PoseBone_do_envelope");
+	RNA_def_function_ui_description(func, "Calculate bone envelope at given point.");
+	parm= RNA_def_float_vector_xyz(func, "point", 3, NULL, -FLT_MAX, FLT_MAX, "Point", "Position in 3d space to evaluate", -FLT_MAX, FLT_MAX);
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	/* return value */
+	parm= RNA_def_float(func, "factor", 0, -FLT_MAX, FLT_MAX, "Factor", "Envelope factor", -FLT_MAX, FLT_MAX);
+	RNA_def_function_return(func, parm);
 }
 
 





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