[Bf-blender-cvs] [41e8470] testbuild: Hair System test

Lukas Tönne noreply at git.blender.org
Fri Aug 15 17:48:32 CEST 2014


Commit: 41e84700c35a602385d97bcc3e2d45031c99573f
Author: Lukas Tönne
Date:   Fri Aug 15 17:48:28 2014 +0200
Branches: testbuild
https://developer.blender.org/rB41e84700c35a602385d97bcc3e2d45031c99573f

Hair System test

===================================================================

M	build_files/cmake/macros.cmake
M	intern/cycles/blender/addon/ui.py
M	intern/cycles/blender/blender_curves.cpp
M	intern/cycles/blender/blender_sync.h
M	intern/rigidbody/CMakeLists.txt
M	intern/rigidbody/RBI_api.h
M	intern/rigidbody/rb_bullet_api.cpp
A	intern/rigidbody/rb_internal_types.h
M	release/scripts/startup/bl_ui/__init__.py
M	release/scripts/startup/bl_ui/properties_data_modifier.py
M	release/scripts/startup/bl_ui/properties_physics_common.py
A	release/scripts/startup/bl_ui/properties_physics_hair.py
M	source/blender/CMakeLists.txt
M	source/blender/SConscript
A	source/blender/blenkernel/BKE_hair.h
A	source/blender/blenkernel/BKE_mesh_sample.h
M	source/blender/blenkernel/BKE_object.h
M	source/blender/blenkernel/BKE_particle.h
M	source/blender/blenkernel/BKE_rigidbody.h
M	source/blender/blenkernel/CMakeLists.txt
M	source/blender/blenkernel/SConscript
A	source/blender/blenkernel/intern/hair.c
A	source/blender/blenkernel/intern/mesh_sample.c
M	source/blender/blenkernel/intern/object.c
M	source/blender/blenkernel/intern/particle.c
M	source/blender/blenkernel/intern/rigidbody.c
A	source/blender/blenkernel/intern/rigidbody_objects.c
M	source/blender/blenkernel/intern/scene.c
M	source/blender/blenloader/intern/readfile.c
M	source/blender/blenloader/intern/writefile.c
M	source/blender/editors/physics/CMakeLists.txt
M	source/blender/editors/physics/SConscript
A	source/blender/editors/physics/hair_ops.c
M	source/blender/editors/physics/physics_intern.h
M	source/blender/editors/physics/physics_ops.c
M	source/blender/editors/space_buttons/buttons_context.c
M	source/blender/editors/space_view3d/CMakeLists.txt
M	source/blender/editors/space_view3d/SConscript
A	source/blender/editors/space_view3d/drawhair.c
M	source/blender/editors/space_view3d/drawobject.c
M	source/blender/editors/space_view3d/view3d_intern.h
M	source/blender/editors/transform/transform_conversions.c
A	source/blender/hair/CMakeLists.txt
A	source/blender/hair/HAIR_capi.cpp
A	source/blender/hair/HAIR_capi.h
A	source/blender/hair/SConscript
A	source/blender/hair/intern/HAIR_collision.cpp
A	source/blender/hair/intern/HAIR_curve.cpp
A	source/blender/hair/intern/HAIR_curve.h
A	source/blender/hair/intern/HAIR_debug.cpp
A	source/blender/hair/intern/HAIR_debug.h
A	source/blender/hair/intern/HAIR_math.cpp
A	source/blender/hair/intern/HAIR_math.h
A	source/blender/hair/intern/HAIR_memalloc.h
A	source/blender/hair/intern/HAIR_scene.cpp
A	source/blender/hair/intern/HAIR_scene.h
A	source/blender/hair/intern/HAIR_smoothing.cpp
A	source/blender/hair/intern/HAIR_smoothing.h
A	source/blender/hair/intern/HAIR_solver.cpp
A	source/blender/hair/intern/HAIR_solver.h
A	source/blender/hair/intern/HAIR_types.cpp
A	source/blender/hair/intern/HAIR_types.h
A	source/blender/makesdna/DNA_hair_types.h
M	source/blender/makesdna/DNA_meshdata_types.h
M	source/blender/makesdna/DNA_modifier_types.h
M	source/blender/makesdna/DNA_rigidbody_types.h
M	source/blender/makesdna/intern/makesdna.c
M	source/blender/makesrna/RNA_access.h
M	source/blender/makesrna/intern/CMakeLists.txt
M	source/blender/makesrna/intern/makesrna.c
A	source/blender/makesrna/intern/rna_hair.c
M	source/blender/makesrna/intern/rna_internal.h
A	source/blender/makesrna/intern/rna_mesh_sample.c
M	source/blender/makesrna/intern/rna_modifier.c
M	source/blender/makesrna/intern/rna_rigidbody.c
M	source/blender/modifiers/CMakeLists.txt
M	source/blender/modifiers/MOD_modifiertypes.h
M	source/blender/modifiers/SConscript
A	source/blender/modifiers/intern/MOD_hair.c
M	source/blender/modifiers/intern/MOD_util.c

===================================================================

diff --git a/build_files/cmake/macros.cmake b/build_files/cmake/macros.cmake
index adbba81..788a359 100644
--- a/build_files/cmake/macros.cmake
+++ b/build_files/cmake/macros.cmake
@@ -496,6 +496,7 @@ macro(SETUP_BLENDER_SORTED_LIBS)
 		bf_freestyle
 		bf_ikplugin
 		bf_modifiers
+		bf_hair
 		bf_bmesh
 		bf_blenkernel
 		bf_nodes
diff --git a/intern/cycles/blender/addon/ui.py b/intern/cycles/blender/addon/ui.py
index 4a13f26..261c54a 100644
--- a/intern/cycles/blender/addon/ui.py
+++ b/intern/cycles/blender/addon/ui.py
@@ -1194,15 +1194,10 @@ class CyclesParticle_PT_textures(CyclesButtonsPanel, Panel):
             layout.template_ID(slot, "texture", new="texture.new")
 
 
-class CyclesRender_PT_CurveRendering(CyclesButtonsPanel, Panel):
+# generic curve rendering panel base class,
+# used for both particles and hair systems
+class CyclesCurveRenderingPanel(CyclesButtonsPanel):
     bl_label = "Cycles Hair Rendering"
-    bl_context = "particle"
-
-    @classmethod
-    def poll(cls, context):
-        scene = context.scene
-        psys = context.particle_system
-        return CyclesButtonsPanel.poll(context) and psys and psys.settings.type == 'HAIR'
 
     def draw_header(self, context):
         ccscene = context.scene.cycles_curves
@@ -1232,6 +1227,24 @@ class CyclesRender_PT_CurveRendering(CyclesButtonsPanel, Panel):
         row.prop(ccscene, "maximum_width", text="Max Ext.")
 
 
+class CyclesRender_PT_ParticleCurves(CyclesCurveRenderingPanel, Panel):
+    bl_context = "particle"
+
+    @classmethod
+    def poll(cls, context):
+        scene = context.scene
+        psys = context.particle_system
+        return CyclesButtonsPanel.poll(context) and psys and psys.settings.type == 'HAIR'
+
+
+class CyclesRender_PT_HairCurves(CyclesCurveRenderingPanel, Panel):
+    bl_context = "physics"
+
+    @classmethod
+    def poll(cls, context):
+        return CyclesButtonsPanel.poll(context) and context.hair
+
+
 class CyclesRender_PT_bake(CyclesButtonsPanel, Panel):
     bl_label = "Bake"
     bl_context = "render"
diff --git a/intern/cycles/blender/blender_curves.cpp b/intern/cycles/blender/blender_curves.cpp
index 7b1a8ec..d4597dd 100644
--- a/intern/cycles/blender/blender_curves.cpp
+++ b/intern/cycles/blender/blender_curves.cpp
@@ -38,11 +38,10 @@ void InterpolateKeySegments(int seg, int segno, int key, int curve, float3 *keyl
 bool ObtainCacheParticleUV(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int uv_num);
 bool ObtainCacheParticleVcol(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background, int vcol_num);
 bool ObtainCacheParticleData(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, ParticleCurveData *CData, bool background);
-void ExportCurveSegments(Scene *scene, Mesh *mesh, ParticleCurveData *CData);
-void ExportCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotCam);
-void ExportCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resolution);
-void ExportCurveTriangleUV(Mesh *mesh, ParticleCurveData *CData, int vert_offset, int resol, float3 *uvdata);
-void ExportCurveTriangleVcol(Mesh *mesh, ParticleCurveData *CData, int vert_offset, int resol, uchar4 *cdata);
+void ExportParticleCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotCam);
+void ExportParticleCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resolution);
+void ExportParticleCurveTriangleUV(Mesh *mesh, ParticleCurveData *CData, int vert_offset, int resol, float3 *uvdata);
+void ExportParticleCurveTriangleVcol(Mesh *mesh, ParticleCurveData *CData, int vert_offset, int resol, uchar4 *cdata);
 
 ParticleCurveData::ParticleCurveData()
 {
@@ -328,7 +327,7 @@ static void set_resolution(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, BL::S
 	}
 }
 
-void ExportCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotCam)
+void ExportParticleCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotCam)
 {
 	int vertexno = mesh->verts.size();
 	int vertexindex = vertexno;
@@ -408,7 +407,7 @@ void ExportCurveTrianglePlanes(Mesh *mesh, ParticleCurveData *CData, float3 RotC
 	/* texture coords still needed */
 }
 
-void ExportCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resolution)
+void ExportParticleCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resolution)
 {
 	int vertexno = mesh->verts.size();
 	int vertexindex = vertexno;
@@ -544,7 +543,7 @@ void ExportCurveTriangleGeometry(Mesh *mesh, ParticleCurveData *CData, int resol
 	/* texture coords still needed */
 }
 
-void ExportCurveSegments(Scene *scene, Mesh *mesh, ParticleCurveData *CData)
+static void ExportParticleCurveSegments(Scene *scene, Mesh *mesh, ParticleCurveData *CData)
 {
 	int num_keys = 0;
 	int num_curves = 0;
@@ -612,7 +611,7 @@ void ExportCurveSegments(Scene *scene, Mesh *mesh, ParticleCurveData *CData)
 	}
 }
 
-static void ExportCurveSegmentsMotion(Scene *scene, Mesh *mesh, ParticleCurveData *CData, int time_index)
+static void ExportParticleCurveSegmentsMotion(Scene *scene, Mesh *mesh, ParticleCurveData *CData, int time_index)
 {
 	/* find attribute */
 	Attribute *attr_mP = mesh->curve_attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
@@ -681,7 +680,348 @@ static void ExportCurveSegmentsMotion(Scene *scene, Mesh *mesh, ParticleCurveDat
 	}
 }
 
-void ExportCurveTriangleUV(Mesh *mesh, ParticleCurveData *CData, int vert_offset, int resol, float3 *uvdata)
+static void hair_step_iter_eval(BL::HairRenderStepIterator b_step_iter, float3 &co, float3 frame[3], float &param)
+{
+	float fco[3], fnor[3], ftan[3], fcotan[3], fhair_radius;
+	
+	param = b_step_iter.parameter();
+	
+	b_step_iter.eval(fco, &fhair_radius);
+	co = make_float3(fco[0], fco[1], fco[2]);
+	
+	b_step_iter.eval_frame(fnor, ftan, fcotan);
+	frame[0] = make_float3(fnor[0], fnor[1], fnor[2]);
+	frame[1] = make_float3(ftan[0], ftan[1], ftan[2]);
+	frame[2] = make_float3(fcotan[0], fcotan[1], fcotan[2]);
+}
+
+/* evaluate curve at each step:
+ *   v_p, v, v_n:       previous/current/next location
+ *   d, d_n:            current/next direction
+ *   param, param_n:    current/next curve parameter
+ */
+static void hair_curve_triangle_step(int step, BL::HairRenderStepIterator b_step_iter, float3 &v_p, float3 &v, float3 &v_n, float3 &d, float3 &d_n,
+                                     float &param, float &param_n, float3 frame[3], float3 frame_n[3])
+{
+	if (step == 0) {
+		hair_step_iter_eval(b_step_iter, v, frame, param);
+		v_p         = v;
+		b_step_iter.next();
+		
+		hair_step_iter_eval(b_step_iter, v_n, frame_n, param_n);
+		d = d_n     = v_n - v;
+		b_step_iter.next();
+	}
+	else if (step < b_step_iter.totsteps() - 1) {
+		v_p         = v;
+		v           = v_n;
+		param       = param_n;
+		d           = d_n;
+		
+		hair_step_iter_eval(b_step_iter, v_n, frame_n, param_n);
+		d_n         = v_n - v;
+		b_step_iter.next();
+	}
+	else {
+		param       = param_n;
+		v_p         = v;
+		v           = v_n;
+		d           = d_n;
+	}
+}
+
+static void ExportHairCurveTrianglePlanes(Mesh *mesh, BL::HairSystem b_hsys, float3 RotCam)
+{
+	BL::HairRenderSettings b_render(b_hsys.params().render());
+	float shape = b_render.shape();
+	float root_width = b_render.root_width() * b_render.radius_scale();
+	float tip_width = b_render.tip_width() * b_render.radius_scale();
+	bool closetip = b_render.use_closetip();
+	int shader = mesh->used_shaders[clamp(b_render.material_slot()-1, 0, mesh->used_shaders.size()-1)];
+	
+	int vertexno = mesh->verts.size();
+	int vertexindex = vertexno;
+	int numverts = 0, numtris = 0;
+	
+	BL::HairRenderIterator b_hair_iter = b_hsys.render_iterator();
+	b_hair_iter.init();
+	
+	/* compute and reserve size of arrays */
+	int num_curves, num_keys;
+	b_hair_iter.count(&num_curves, &num_keys);
+	numverts += 2 + (num_keys - 1)*2;
+	numtris += (num_keys - 1)*2;
+	
+	mesh->verts.reserve(mesh->verts.size() + numverts);
+	mesh->triangles.reserve(mesh->triangles.size() + numtris);
+	mesh->shader.reserve(mesh->shader.size() + numtris);
+	mesh->smooth.reserve(mesh->smooth.size() + numtris);
+	
+	/* actually export */
+	for (; b_hair_iter.valid(); b_hair_iter.next()) {
+		BL::HairRenderStepIterator b_step_iter = b_hair_iter.step_init();
+		int totsteps = b_step_iter.totsteps();
+		if (totsteps <= 1)
+			continue;
+		
+		float3 v_p, v, v_n, d, d_n, frame[3], frame_n[3];
+		float param, param_n;
+		
+		for (int step = 0; step < totsteps; ++step) {
+			hair_curve_triangle_step(step, b_step_iter, v_p, v, v_n, d, d_n, param, param_n, frame, frame_n);
+			
+			float radius = shaperadius(shape, root_width, tip_width, param);
+			if (closetip && step == totsteps - 1)
+				radius = 0.0f;
+			
+			float3 ickey_loc = v;
+			float3 xbasis = normalize(cross(RotCam - ickey_loc, d));
+			float3 ickey_loc_shfl = ickey_loc - radius * xbasis;
+			float3 ickey_loc_shfr = ickey_loc + radius * xbasis;
+			mesh->verts.push_back(ickey_loc_shfl);
+			mesh->verts.push_back(ickey_loc_shfr);
+			if (step > 0) {
+				mesh->add_triangle(vertexindex-2, vertexindex, vertexindex-1, shader, true);
+				mesh->add_triangle(vertexindex+1, vertexindex-1, vertexindex, shader, true);
+			}
+			vertexindex += 2;
+		}
+	}
+	b_hair_iter.end();
+
+	mesh->reserve(mesh->verts.size(), mesh->triangles.size(), 0, 0);
+	mesh->attributes.remove(ATTR_STD_VERTEX_NORMAL);
+	mesh->attributes.remove(ATTR_STD_FACE_NORMAL);
+	mesh->add_face_normals();
+	mesh->add_vertex_normals();
+	mesh->attributes.remove(ATTR_STD_FACE_NORMAL);
+
+	/* texture coords still needed */
+}
+
+static void ExportHairCurveTriangleGeometry(Mesh *mesh, BL::HairSystem b_hsys, int resolution)
+{
+	BL::HairRenderSettings b_render(b_hsys.params().render());
+	float shape = b_render.shape();
+	float root_width = b_render.root_width() * b_render.radius_scale();
+	float tip_width = b_render.tip_width() * b_render.radius_scale();
+	bool closetip = b_render.use_closetip();
+	int shader = mesh->used_shaders[clamp(b_render.material_slot()-1, 0, mesh->used_shaders.size()-1)];
+	
+	int vertexno = mesh->verts.size();
+	int vertexindex = vertexno;
+	int numverts = 0, numtris = 0;
+	
+	BL::HairRenderIterator b_hair_iter = b_hsys.render_iterator();
+	

@@ Diff output truncated at 10240 characters. @@




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