Pass EvaluationContext argument everywhere

Note that some little parts of code have been dissabled because eval_ctx
was not available there. This should be resolved once DerivedMesh is
replaced.

7 files changed, 43 insertions, 40 deletions

diff --git a/source/blender/ikplugin/BIK_api.h b/source/blender/ikplugin/BIK_api.h
index 177be074897..8fd13507d3a 100644
--- a/source/blender/ikplugin/BIK_api.h
+++ b/source/blender/ikplugin/BIK_api.h
@@ -43,6 +43,7 @@ struct bPoseChannel;
 struct bPose;
 struct Scene;
 struct bConstraint;
+struct EvaluationContext;
 
 enum BIK_ParamType {
 	BIK_PARAM_TYPE_FLOAT = 0,
@@ -61,8 +62,8 @@ struct BIK_ParamValue {
 };
 typedef struct BIK_ParamValue BIK_ParamValue;
 
-void BIK_initialize_tree(struct Scene *scene, struct Object *ob, float ctime);
-void BIK_execute_tree(struct Scene *scene, struct Object *ob, struct bPoseChannel *pchan, float ctime);
+void BIK_initialize_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, float ctime);
+void BIK_execute_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, struct bPoseChannel *pchan, float ctime);
 void BIK_release_tree(struct Scene *scene, struct Object *ob, float ctime);
 void BIK_clear_data(struct bPose *pose);
 void BIK_clear_cache(struct bPose *pose);
diff --git a/source/blender/ikplugin/intern/ikplugin_api.c b/source/blender/ikplugin/intern/ikplugin_api.c
index 0f81fb34a63..09a2c3b88ed 100644
--- a/source/blender/ikplugin/intern/ikplugin_api.c
+++ b/source/blender/ikplugin/intern/ikplugin_api.c
@@ -89,20 +89,20 @@ static IKPlugin *get_plugin(bPose *pose)
 /*----------------------------------------*/
 /* Plugin API							  */
 
-void BIK_initialize_tree(Scene *scene, Object *ob, float ctime) 
+void BIK_initialize_tree(struct EvaluationContext *eval_ctx, Scene *scene, Object *ob, float ctime)
 {
 	IKPlugin *plugin = get_plugin(ob->pose);
 
 	if (plugin && plugin->initialize_tree_func)
-		plugin->initialize_tree_func(scene, ob, ctime);
+		plugin->initialize_tree_func(eval_ctx, scene, ob, ctime);
 }
 
-void BIK_execute_tree(struct Scene *scene, Object *ob, bPoseChannel *pchan, float ctime) 
+void BIK_execute_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, Object *ob, bPoseChannel *pchan, float ctime)
 {
 	IKPlugin *plugin = get_plugin(ob->pose);
 
 	if (plugin && plugin->execute_tree_func)
-		plugin->execute_tree_func(scene, ob, pchan, ctime);
+		plugin->execute_tree_func(eval_ctx, scene, ob, pchan, ctime);
 }
 
 void BIK_release_tree(struct Scene *scene, Object *ob, float ctime) 
diff --git a/source/blender/ikplugin/intern/ikplugin_api.h b/source/blender/ikplugin/intern/ikplugin_api.h
index cd32bf26242..07dd601012f 100644
--- a/source/blender/ikplugin/intern/ikplugin_api.h
+++ b/source/blender/ikplugin/intern/ikplugin_api.h
@@ -41,11 +41,12 @@ extern "C" {
 struct Object;
 struct bPoseChannel;
 struct Scene;
+struct EvaluationContext;
 
 
 struct IKPlugin {
-	void (*initialize_tree_func)(struct Scene *scene, struct Object *ob, float ctime);
-	void (*execute_tree_func)(struct Scene *scene, struct Object *ob, struct bPoseChannel *pchan, float ctime);
+	void (*initialize_tree_func)(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, float ctime);
+	void (*execute_tree_func)(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, struct bPoseChannel *pchan, float ctime);
 	void (*release_tree_func)(struct Scene *scene, struct Object *ob, float ctime);
 	void (*remove_armature_func)(struct bPose *pose);
 	void (*clear_cache)(struct bPose *pose);
diff --git a/source/blender/ikplugin/intern/iksolver_plugin.c b/source/blender/ikplugin/intern/iksolver_plugin.c
index f837789914e..1917db24d4f 100644
--- a/source/blender/ikplugin/intern/iksolver_plugin.c
+++ b/source/blender/ikplugin/intern/iksolver_plugin.c
@@ -252,7 +252,7 @@ static void where_is_ik_bone(bPoseChannel *pchan, float ik_mat[3][3])   // nr =
 
 /* called from within the core BKE_pose_where_is loop, all animsystems and constraints
  * were executed & assigned. Now as last we do an IK pass */
-static void execute_posetree(struct Scene *scene, Object *ob, PoseTree *tree)
+static void execute_posetree(struct EvaluationContext *eval_ctx, struct Scene *scene, Object *ob, PoseTree *tree)
 {
 	float R_parmat[3][3], identity[3][3];
 	float iR_parmat[3][3];
@@ -394,7 +394,7 @@ static void execute_posetree(struct Scene *scene, Object *ob, PoseTree *tree)
 		/* 1.0=ctime, we pass on object for auto-ik (owner-type here is object, even though
 		 * strictly speaking, it is a posechannel)
 		 */
-		BKE_constraint_target_matrix_get(scene, target->con, 0, CONSTRAINT_OBTYPE_OBJECT, ob, rootmat, 1.0);
+		BKE_constraint_target_matrix_get(eval_ctx, scene, target->con, 0, CONSTRAINT_OBTYPE_OBJECT, ob, rootmat, 1.0);
 
 		/* and set and transform goal */
 		mul_m4_m4m4(goal, goalinv, rootmat);
@@ -405,7 +405,7 @@ static void execute_posetree(struct Scene *scene, Object *ob, PoseTree *tree)
 
 		/* same for pole vector target */
 		if (data->poletar) {
-			BKE_constraint_target_matrix_get(scene, target->con, 1, CONSTRAINT_OBTYPE_OBJECT, ob, rootmat, 1.0);
+			BKE_constraint_target_matrix_get(eval_ctx, scene, target->con, 1, CONSTRAINT_OBTYPE_OBJECT, ob, rootmat, 1.0);
 
 			if (data->flag & CONSTRAINT_IK_SETANGLE) {
 				/* don't solve IK when we are setting the pole angle */
@@ -534,7 +534,7 @@ static void free_posetree(PoseTree *tree)
 ///----------------------------------------
 /// Plugin API for legacy iksolver
 
-void iksolver_initialize_tree(struct Scene *UNUSED(scene), struct Object *ob, float UNUSED(ctime))
+void iksolver_initialize_tree(struct EvaluationContext *UNUSED(eval_ctx), struct Scene *UNUSED(scene), struct Object *ob, float UNUSED(ctime))
 {
 	bPoseChannel *pchan;
 
@@ -545,7 +545,7 @@ void iksolver_initialize_tree(struct Scene *UNUSED(scene), struct Object *ob, fl
 	ob->pose->flag &= ~POSE_WAS_REBUILT;
 }
 
-void iksolver_execute_tree(struct Scene *scene, Object *ob,  bPoseChannel *pchan_root, float ctime)
+void iksolver_execute_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, Object *ob,  bPoseChannel *pchan_root, float ctime)
 {
 	while (pchan_root->iktree.first) {
 		PoseTree *tree = pchan_root->iktree.first;
@@ -558,13 +558,13 @@ void iksolver_execute_tree(struct Scene *scene, Object *ob,  bPoseChannel *pchan
 		/* 4. walk over the tree for regular solving */
 		for (a = 0; a < tree->totchannel; a++) {
 			if (!(tree->pchan[a]->flag & POSE_DONE))    // successive trees can set the flag
-				BKE_pose_where_is_bone(scene, ob, tree->pchan[a], ctime, 1);
+				BKE_pose_where_is_bone(eval_ctx, scene, ob, tree->pchan[a], ctime, 1);
 			/* tell blender that this channel was controlled by IK, it's cleared on each BKE_pose_where_is() */
 			tree->pchan[a]->flag |= POSE_CHAIN;
 		}
 
 		/* 5. execute the IK solver */
-		execute_posetree(scene, ob, tree);
+		execute_posetree(eval_ctx, scene, ob, tree);
 
 		/* 6. apply the differences to the channels,
 		 *    we need to calculate the original differences first */
diff --git a/source/blender/ikplugin/intern/iksolver_plugin.h b/source/blender/ikplugin/intern/iksolver_plugin.h
index 07264280a25..b9bdbd892ec 100644
--- a/source/blender/ikplugin/intern/iksolver_plugin.h
+++ b/source/blender/ikplugin/intern/iksolver_plugin.h
@@ -40,8 +40,9 @@
 extern "C" {
 #endif
 
-void iksolver_initialize_tree(struct Scene *scene, struct Object *ob, float ctime);
-void iksolver_execute_tree(struct Scene *scene, struct Object *ob,  struct bPoseChannel *pchan_root, float ctime);
+void iksolver_initialize_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, float ctime);
+void iksolver_execute_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob,
+                           struct bPoseChannel *pchan_root, float ctime);
 
 #ifdef __cplusplus
 }
diff --git a/source/blender/ikplugin/intern/itasc_plugin.cpp b/source/blender/ikplugin/intern/itasc_plugin.cpp
index d58340965a7..2227747e7a1 100644
--- a/source/blender/ikplugin/intern/itasc_plugin.cpp
+++ b/source/blender/ikplugin/intern/itasc_plugin.cpp
@@ -542,7 +542,7 @@ static void GetJointRotation(KDL::Rotation& boneRot, int type, double *rot)
 	}
 }
 
-static bool target_callback(const iTaSC::Timestamp& timestamp, const iTaSC::Frame& current, iTaSC::Frame& next, void *param)
+static bool target_callback(struct EvaluationContext *eval_ctx, const iTaSC::Timestamp& timestamp, const iTaSC::Frame& current, iTaSC::Frame& next, void *param)
 {
 	IK_Target *target = (IK_Target *)param;
 	// compute next target position
@@ -550,7 +550,7 @@ static bool target_callback(const iTaSC::Timestamp& timestamp, const iTaSC::Fram
 	bConstraint *constraint = (bConstraint *)target->blenderConstraint;
 	float tarmat[4][4];
 
-	BKE_constraint_target_matrix_get(target->blscene, constraint, 0, CONSTRAINT_OBTYPE_OBJECT, target->owner, tarmat, 1.0);
+	BKE_constraint_target_matrix_get(eval_ctx, target->blscene, constraint, 0, CONSTRAINT_OBTYPE_OBJECT, target->owner, tarmat, 1.0);
 
 	// rootmat contains the target pose in world coordinate
 	// if enforce is != 1.0, blend the target position with the end effector position
@@ -577,7 +577,7 @@ static bool target_callback(const iTaSC::Timestamp& timestamp, const iTaSC::Fram
 	return true;
 }
 
-static bool base_callback(const iTaSC::Timestamp& timestamp, const iTaSC::Frame& current, iTaSC::Frame& next, void *param)
+static bool base_callback(struct EvaluationContext *eval_ctx, const iTaSC::Timestamp& timestamp, const iTaSC::Frame& current, iTaSC::Frame& next, void *param)
 {
 	IK_Scene *ikscene = (IK_Scene *)param;
 	// compute next armature base pose
@@ -619,7 +619,7 @@ static bool base_callback(const iTaSC::Timestamp& timestamp, const iTaSC::Frame&
 		IK_Channel &rootchan = ikscene->channels[0];
 
 		// get polar target matrix in world space
-		BKE_constraint_target_matrix_get(ikscene->blscene, ikscene->polarConstraint, 1, CONSTRAINT_OBTYPE_OBJECT, ikscene->blArmature, mat, 1.0);
+		BKE_constraint_target_matrix_get(eval_ctx, ikscene->blscene, ikscene->polarConstraint, 1, CONSTRAINT_OBTYPE_OBJECT, ikscene->blArmature, mat, 1.0);
 		// convert to armature space
 		mul_m4_m4m4(polemat, imat, mat);
 		// get the target in world space (was computed before as target object are defined before base object)
@@ -863,7 +863,7 @@ static bool joint_callback(const iTaSC::Timestamp& timestamp, iTaSC::ConstraintV
 }
 
 // build array of joint corresponding to IK chain
-static int convert_channels(IK_Scene *ikscene, PoseTree *tree, float ctime)
+static int convert_channels(struct EvaluationContext *eval_ctx, IK_Scene *ikscene, PoseTree *tree, float ctime)
 {
 	IK_Channel *ikchan;
 	bPoseChannel *pchan;
@@ -880,7 +880,7 @@ static int convert_channels(IK_Scene *ikscene, PoseTree *tree, float ctime)
 		// this is because some of the pose data (e.g. pose head) don't have corresponding 
 		// joint angles and can't be applied to the iTaSC armature dynamically
 		if (!(pchan->flag & POSE_DONE))
-			BKE_pose_where_is_bone(ikscene->blscene, ikscene->blArmature, pchan, ctime, 1);
+			BKE_pose_where_is_bone(eval_ctx, ikscene->blscene, ikscene->blArmature, pchan, ctime, 1);
 		// tell blender that this channel was controlled by IK, it's cleared on each BKE_pose_where_is()
 		pchan->flag |= (POSE_DONE | POSE_CHAIN);
 
@@ -1056,7 +1056,7 @@ static void BKE_pose_rest(IK_Scene *ikscene)
 	}
 }
 
-static IK_Scene *convert_tree(Scene *blscene, Object *ob, bPoseChannel *pchan, float ctime)
+static IK_Scene *convert_tree(struct EvaluationContext *eval_ctx, Scene *blscene, Object *ob, bPoseChannel *pchan, float ctime)
 {
 	PoseTree *tree = (PoseTree *)pchan->iktree.first;
 	PoseTarget *target;
@@ -1134,7 +1134,7 @@ static IK_Scene *convert_tree(Scene *blscene, Object *ob, bPoseChannel *pchan, f
 	std::vector<double> weights;
 	double weight[3];
 	// build the array of joints corresponding to the IK chain
-	convert_channels(ikscene, tree, ctime);
+	convert_channels(eval_ctx, ikscene, tree, ctime);
 	if (ingame) {
 		// in the GE, set the initial joint angle to match the current pose
 		// this will update the jointArray in ikscene
@@ -1397,7 +1397,7 @@ static IK_Scene *convert_tree(Scene *blscene, Object *ob, bPoseChannel *pchan, f
 	// we can now add the armature
 	// the armature is based on a moving frame.
 	// initialize with the correct position in case there is no cache
-	base_callback(iTaSC::Timestamp(), iTaSC::F_identity, initPose, ikscene);
+	base_callback(eval_ctx, iTaSC::Timestamp(), iTaSC::F_identity, initPose, ikscene);
 	ikscene->base = new iTaSC::MovingFrame(initPose);
 	ikscene->base->setCallback(base_callback, ikscene);
 	std::string armname;
@@ -1458,7 +1458,7 @@ static IK_Scene *convert_tree(Scene *blscene, Object *ob, bPoseChannel *pchan, f
 		mul_m4_m4m4(iktarget->eeRest, invBaseFrame, mat);
 		iktarget->eeBlend = (!ikscene->polarConstraint && condata->type == CONSTRAINT_IK_COPYPOSE) ? true : false;
 		// use target_callback to make sure the initPose includes enforce coefficient
-		target_callback(iTaSC::Timestamp(), iTaSC::F_identity, initPose, iktarget);
+		target_callback(eval_ctx, iTaSC::Timestamp(), iTaSC::F_identity, initPose, iktarget);
 		iktarget->target = new iTaSC::MovingFrame(initPose);
 		iktarget->target->setCallback(target_callback, iktarget);
 		ret = scene->addObject(iktarget->targetName, iktarget->target);
@@ -1526,7 +1526,7 @@ static IK_Scene *convert_tree(Scene *blscene, Object *ob, bPoseChannel *pchan, f
 	return ikscene;
 }
 
-static void create_scene(Scene *scene, Object *ob, float ctime)
+static void create_scene(struct EvaluationContext *eval_ctx, Scene *scene, Object *ob, float ctime)
 {
 	bPoseChannel *pchan;
 
@@ -1537,7 +1537,7 @@ static void create_scene(Scene *scene, Object *ob, float ctime)
 		if (tree) {
 			IK_Data *ikdata = get_ikdata(ob->pose);
 			// convert tree in iTaSC::Scene
-			IK_Scene *ikscene = convert_tree(scene, ob, pchan, ctime);
+			IK_Scene *ikscene = convert_tree(eval_ctx, scene, ob, pchan, ctime);
 			if (ikscene) {
 				ikscene->next = ikdata->first;
 				ikdata->first = ikscene;
@@ -1576,7 +1576,7 @@ static int init_scene(Object *ob)
 	return 0;
 }
 
-static void execute_scene(Scene *blscene, IK_Scene *ikscene, bItasc *ikparam, float ctime, float frtime)
+static void execute_scene(struct EvaluationContext *eval_ctx, Scene *blscene, IK_Scene *ikscene, bItasc *ikparam, float ctime, float frtime)
 {
 	int i;
 	IK_Channel *ikchan;
@@ -1592,7 +1592,7 @@ static void execute_scene(Scene *blscene, IK_Scene *ikscene, bItasc *ikparam, fl
 		// in animation mode, we must get the bone position from action and constraints
 		for (i = 0, ikchan = ikscene->channels; i < ikscene->numchan; i++, ++ikchan) {
 			if (!(ikchan->pchan->flag & POSE_DONE))
-				BKE_pose_where_is_bone(blscene, ikscene->blArmature, ikchan->pchan, ctime, 1);
+				BKE_pose_where_is_bone(eval_ctx, blscene, ikscene->blArmature, ikchan->pchan, ctime, 1);
 			// tell blender that this channel was controlled by IK, it's cleared on each BKE_pose_where_is()
 			ikchan->pchan->flag |= (POSE_DONE | POSE_CHAIN);
 			ikchan->jointValid = 0;
@@ -1647,7 +1647,7 @@ static void execute_scene(Scene *blscene, IK_Scene *ikscene, bItasc *ikparam, fl
 		}
 	}
 	// don't cache if we are reiterating because we don't want to destroy the cache unnecessarily
-	ikscene->scene->update(timestamp, timestep, numstep, false, !reiterate, simulation);
+	ikscene->scene->update(eval_ctx, timestamp, timestep, numstep, false, !reiterate, simulation);
 	if (reiterate) {
 		// how many times do we reiterate?
 		for (i = 0; i < ikparam->numiter; i++) {
@@ -1656,11 +1656,11 @@ static void execute_scene(Scene *blscene, IK_Scene *ikscene, bItasc *ikparam, fl
 			{
 				break;
 			}
-			ikscene->scene->update(timestamp, timestep, numstep, true, false, simulation);
+			ikscene->scene->update(eval_ctx, timestamp, timestep, numstep, true, false, simulation);
 		}
 		if (simulation) {
 			// one more fake iteration to cache
-			ikscene->scene->update(timestamp, 0.0, 1, true, true, true);
+			ikscene->scene->update(eval_ctx, timestamp, 0.0, 1, true, true, true);
 		}
 	}
 	// compute constraint error
@@ -1744,7 +1744,7 @@ static void execute_scene(Scene *blscene, IK_Scene *ikscene, bItasc *ikparam, fl
 //---------------------------------------------------
 // plugin interface
 //
-void itasc_initialize_tree(struct Scene *scene, Object *ob, float ctime)
+void itasc_initialize_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, Object *ob, float ctime)
 {
 	bPoseChannel *pchan;
 	int count = 0;
@@ -1764,13 +1764,13 @@ void itasc_initialize_tree(struct Scene *scene, Object *ob, float ctime)
 	// if at least one tree, create the scenes from the PoseTree stored in the channels
 	// postpone until execute_tree: this way the pose constraint are included
 	if (count)
-		create_scene(scene, ob, ctime);
+		create_scene(eval_ctx, scene, ob, ctime);
 	itasc_update_param(ob->pose);
 	// make sure we don't rebuilt until the user changes something important
 	ob->pose->flag &= ~POSE_WAS_REBUILT;
 }
 
-void itasc_execute_tree(struct Scene *scene, Object *ob,  bPoseChannel *pchan_root, float ctime)
+void itasc_execute_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, Object *ob,  bPoseChannel *pchan_root, float ctime)
 {
 	if (ob->pose->ikdata) {
 		IK_Data *ikdata = (IK_Data *)ob->pose->ikdata;
@@ -1787,7 +1787,7 @@ void itasc_execute_tree(struct Scene *scene, Object *ob,  bPoseChannel *pchan_ro
 					if (timestep > 0.2f)
 						timestep = 0.2f;
 				}
-				execute_scene(scene, ikscene, ikparam, ctime, timestep);
+				execute_scene(eval_ctx, scene, ikscene, ikparam, ctime, timestep);
 				break;
 			}
 		}
diff --git a/source/blender/ikplugin/intern/itasc_plugin.h b/source/blender/ikplugin/intern/itasc_plugin.h
index bcd95bc31ca..fb948e98696 100644
--- a/source/blender/ikplugin/intern/itasc_plugin.h
+++ b/source/blender/ikplugin/intern/itasc_plugin.h
@@ -40,8 +40,8 @@
 extern "C" {
 #endif
 
-void itasc_initialize_tree(struct Scene *scene, struct Object *ob, float ctime);
-void itasc_execute_tree(struct Scene *scene, struct Object *ob,  struct bPoseChannel *pchan_root, float ctime);
+void itasc_initialize_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob, float ctime);
+void itasc_execute_tree(struct EvaluationContext *eval_ctx, struct Scene *scene, struct Object *ob,  struct bPoseChannel *pchan_root, float ctime);
 void itasc_release_tree(struct Scene *scene, struct Object *ob,  float ctime);
 void itasc_clear_data(struct bPose *pose);
 void itasc_clear_cache(struct bPose *pose);