Commit: e6b80eb1798428913965e8ec3796a95944af157b
Author: Lukas Tönne
Date: Mon Jan 19 20:01:37 2015 +0100
Branches: master
https://developer.blender.org/rBe6b80eb1798428913965e8ec3796a95944af157b
Fix for merge errors and leftover unused code lines.
===================================================================
M source/blender/physics/intern/BPH_mass_spring.cpp
===================================================================
diff --git a/source/blender/physics/intern/BPH_mass_spring.cpp
b/source/blender/physics/intern/BPH_mass_spring.cpp
index d911a43..945cc0d 100644
--- a/source/blender/physics/intern/BPH_mass_spring.cpp
+++ b/source/blender/physics/intern/BPH_mass_spring.cpp
@@ -526,21 +526,15 @@ static void cloth_calc_force(ClothModifierData *clmd,
float UNUSED(frame), ListB
}
}
-#if 0
-#endif
-/* returns active vertexes' motion state, or original location the vertex is
disabled */
-BLI_INLINE bool cloth_get_grid_location(Implicit_Data *data, float cell_scale,
const float cell_offset[3],
- ClothVertex *vert, int index, float
x[3], float v[3])
+/* returns vertexes' motion state */
+BLI_INLINE void cloth_get_grid_location(Implicit_Data *data, float cell_scale,
const float cell_offset[3],
+ int index, float x[3], float v[3])
{
- bool is_motion_state;
BPH_mass_spring_get_position(data, index, x);
BPH_mass_spring_get_new_velocity(data, index, v);
- is_motion_state = true;
mul_v3_fl(x, cell_scale);
add_v3_v3(x, cell_offset);
-
- return is_motion_state;
}
/* returns next spring forming a continous hair sequence */
@@ -583,9 +577,9 @@ static LinkNode *cloth_continuum_add_hair_segments(HairGrid
*grid, const float c
zero_v3(dir2);
vert3 = &verts[spring3->kl];
- cloth_get_grid_location(data, cell_scale, cell_offset, vert3,
spring3->kl, x3, v3);
+ cloth_get_grid_location(data, cell_scale, cell_offset, spring3->kl, x3,
v3);
vert4 = &verts[spring3->ij];
- cloth_get_grid_location(data, cell_scale, cell_offset, vert4,
spring3->ij, x4, v4);
+ cloth_get_grid_location(data, cell_scale, cell_offset, spring3->ij, x4,
v4);
sub_v3_v3v3(dir3, x4, x3);
normalize_v3(dir3);
@@ -610,7 +604,7 @@ static LinkNode *cloth_continuum_add_hair_segments(HairGrid
*grid, const float c
if (spring_link) {
spring3 = (ClothSpring *)spring_link->link;
vert4 = &verts[spring3->ij];
- cloth_get_grid_location(data, cell_scale, cell_offset,
vert4, spring3->ij, x4, v4);
+ cloth_get_grid_location(data, cell_scale, cell_offset,
spring3->ij, x4, v4);
sub_v3_v3v3(dir3, x4, x3);
normalize_v3(dir3);
}
@@ -700,8 +694,8 @@ static void cloth_continuum_step(ClothModifierData *clmd,
float dt)
const float fluid_factor = 0.95f; /* blend between PIC and FLIP methods
*/
float smoothfac = parms->velocity_smooth;
- float pressfac = parms->pressure;
- float minpress = parms->pressure_threshold;
+ float density_target = parms->density_target;
+ float density_strength = parms->density_strength;
float gmin[3], gmax[3];
int i;
@@ -713,14 +707,14 @@ static void cloth_continuum_step(ClothModifierData *clmd,
float dt)
hair_get_boundbox(clmd, gmin, gmax);
/* gather velocities & density */
- if (smoothfac > 0.0f || pressfac > 0.0f) {
+ if (smoothfac > 0.0f || density_strength > 0.0f) {
HairGrid *grid =
BPH_hair_volume_create_vertex_grid(clmd->sim_parms->voxel_cell_size, gmin,
gmax);
BPH_hair_volume_set_debug_data(grid, clmd->debug_data);
cloth_continuum_fill_grid(grid, cloth);
/* main hair continuum solver */
- BPH_hair_volume_solve_divergence(grid, dt);
+ BPH_hair_volume_solve_divergence(grid, dt, density_target,
density_strength);
for (i = 0, vert = cloth->verts; i < numverts; i++, vert++) {
float x[3], v[3], nv[3];
@@ -838,270 +832,6 @@ static void cloth_calc_volume_force(ClothModifierData
*clmd)
}
#endif
-/* returns active vertexes' motion state, or original location the vertex is
disabled */
-BLI_INLINE bool cloth_get_grid_location(Implicit_Data *data, float cell_scale,
const float cell_offset[3],
- ClothVertex *vert, float x[3], float
v[3])
-{
- bool is_motion_state;
- if (vert->solver_index < 0) {
- copy_v3_v3(x, vert->x);
- copy_v3_v3(v, vert->v);
- is_motion_state = false;
- }
- else {
- BPH_mass_spring_get_position(data, vert->solver_index, x);
- BPH_mass_spring_get_new_velocity(data, vert->solver_index, v);
- is_motion_state = true;
- }
-
- mul_v3_fl(x, cell_scale);
- add_v3_v3(x, cell_offset);
-
- return is_motion_state;
-}
-
-/* returns next spring forming a continous hair sequence */
-BLI_INLINE LinkNode *hair_spring_next(LinkNode *spring_link)
-{
- ClothSpring *spring = (ClothSpring *)spring_link->link;
- LinkNode *next = spring_link->next;
- if (next) {
- ClothSpring *next_spring = (ClothSpring *)next->link;
- if (next_spring->type == CLOTH_SPRING_TYPE_STRUCTURAL &&
next_spring->kl == spring->ij)
- return next;
- }
- return NULL;
-}
-
-/* XXX this is nasty: cloth meshes do not explicitly store
- * the order of hair segments!
- * We have to rely on the spring build function for now,
- * which adds structural springs in reverse order:
- * (3,4), (2,3), (1,2)
- * This is currently the only way to figure out hair geometry inside this code
...
- */
-static LinkNode *cloth_continuum_add_hair_segments(HairGrid *grid, const float
cell_scale, const float cell_offset[3], Cloth *cloth, LinkNode *spring_link)
-{
- Implicit_Data *data = cloth->implicit;
- LinkNode *next_spring_link = NULL; /* return value */
- ClothSpring *spring1, *spring2, *spring3;
- ClothVertex *verts = cloth->verts;
- ClothVertex *vert3, *vert4;
- float x1[3], v1[3], x2[3], v2[3], x3[3], v3[3], x4[3], v4[3];
- float dir1[3], dir2[3], dir3[3];
-
- spring1 = NULL;
- spring2 = NULL;
- spring3 = (ClothSpring *)spring_link->link;
-
- zero_v3(x1); zero_v3(v1);
- zero_v3(dir1);
- zero_v3(x2); zero_v3(v2);
- zero_v3(dir2);
-
- vert3 = &verts[spring3->kl];
- cloth_get_grid_location(data, cell_scale, cell_offset, vert3, x3, v3);
- vert4 = &verts[spring3->ij];
- cloth_get_grid_location(data, cell_scale, cell_offset, vert4, x4, v4);
- sub_v3_v3v3(dir3, x4, x3);
- normalize_v3(dir3);
-
- while (spring_link) {
- /* move on */
- spring1 = spring2;
- spring2 = spring3;
-
- vert3 = vert4;
-
- copy_v3_v3(x1, x2); copy_v3_v3(v1, v2);
- copy_v3_v3(x2, x3); copy_v3_v3(v2, v3);
- copy_v3_v3(x3, x4); copy_v3_v3(v3, v4);
-
- copy_v3_v3(dir1, dir2);
- copy_v3_v3(dir2, dir3);
-
- /* read next segment */
- next_spring_link = spring_link->next;
- spring_link = hair_spring_next(spring_link);
-
- if (spring_link) {
- spring3 = (ClothSpring *)spring_link->link;
- vert4 = &verts[spring3->ij];
- cloth_get_grid_location(data, cell_scale, cell_offset,
vert4, x4, v4);
- sub_v3_v3v3(dir3, x4, x3);
- normalize_v3(dir3);
- }
- else {
- spring3 = NULL;
- vert4 = NULL;
- zero_v3(x4); zero_v3(v4);
- zero_v3(dir3);
- }
-
- BPH_hair_volume_add_segment(grid, x1, v1, x2, v2, x3, v3, x4,
v4,
- spring1 ? dir1 : NULL,
- dir2,
- spring3 ? dir3 : NULL);
- }
-
- /* last segment */
- spring1 = spring2;
- spring2 = spring3;
- spring3 = NULL;
-
- vert3 = vert4;
- vert4 = NULL;
-
- copy_v3_v3(x1, x2); copy_v3_v3(v1, v2);
- copy_v3_v3(x2, x3); copy_v3_v3(v2, v3);
- copy_v3_v3(x3, x4); copy_v3_v3(v3, v4);
- zero_v3(x4); zero_v3(v4);
-
- copy_v3_v3(dir1, dir2);
- copy_v3_v3(dir2, dir3);
- zero_v3(dir3);
-
- BPH_hair_volume_add_segment(grid, x1, v1, x2, v2, x3, v3, x4, v4,
- spring1 ? dir1 : NULL,
- dir2,
- NULL);
-
- return next_spring_link;
-}
-
-static void cloth_continuum_fill_grid(HairGrid *grid, Cloth *cloth)
-{
-#if 0
- Implicit_Data *data = cloth->implicit;
- int numverts = cloth->numverts;
- ClothVertex *vert;
- int i;
-
- for (i = 0, vert = cloth->verts; i < numverts; i++, vert++) {
- float x[3], v[3];
-
- cloth_get_vertex_motion_state(data, vert, x, v);
- BPH_hair_volume_add_vertex(grid, x, v);
- }
-#else
- LinkNode *link;
- float cellsize, gmin[3], cell_scale, cell_offset[3];
-
- /* scale and offset for transforming vertex locations into grid space
- * (cell size is 0..1, gmin becomes origin)
- */
- BPH_hair_volume_grid_geometry(grid, &cellsize, NULL, gmin, NULL);
- cell_scale = cellsize > 0.0f ? 1.0f / cellsize : 0.0f;
- mul_v3_v3fl(cell_offset, gmin, cell_scale);
- negate_v3(cell_offset);
-
- link = cloth->springs;
- while (link) {
- ClothSpring *spring = (ClothSpring *)link->link;
- if (spring->type == CLOTH_SPRING_TYPE_STRUCTURAL)
- link = cloth_continuum_add_hair_segments(grid,
cell_scale, cell_offset, cloth, link);
- else
- link = link->next;
- }
-#endif
- BPH_hair_volume_normalize_vertex_grid(grid);
-}
-
-static void cloth_continuum_step(ClothModifierData *clmd, float dt)
-{
- ClothSimSettings *parms = clmd->sim_parms;
- Cloth *cloth = clmd->clothObject;
- Implicit_Data *data = cloth->implicit;
- int numverts = cloth->numverts;
- ClothVertex *vert;
-
- const float fluid_factor = 0.95f; /* blend between PIC and FLIP methods
*/
- float smoothfac = parms->velocity_smooth;
- float denstarget = parms->density_target;
- float densfac = parms->density_strength;
- float gmin[3], gmax[3];
- int i;
-
- /* clear grid info */
- zero_v3_int(clmd->hair_grid_res);
- zero_v3(clmd->hair_grid_min);
- zero_v3(clmd->hair_grid_max);
-
- hair_get_boundbox(clmd, gmin, gmax);
-
- /* gather velocities & density */
- if (smoothfac > 0.0f || densfac > 0.0f) {
- HairGrid *grid =
BPH_hair_volume_create_vertex_grid(clmd->sim_parms->voxel_cell_size, gmin,
gmax);
- BPH_hair_volume_set_debug_data(grid, clmd->debug_data);
-
-// BPH_hair_volume_set_debug_value(grid, (int)(spring2->ij ==
clmd->sim_parms->density_target));
- cloth_continuum_fill_grid(grid, cloth);
-
- /* main hair continuum solver */
- BPH_hair_volume_solve_divergence(grid, dt, denstarget, densfac);
-
- for (i = 0, vert = cloth->verts; i < numverts; i++, vert++) {
- float x[3], v[3], nv[3];
-
- if (vert->solver_index < 0)
- continue;
-
- /* calculate volumetric velocity influence */
- BPH_mass_spring_get_position(data, vert->solver_index,
x);
- BPH_mass_spring_get_new_velocity(data,
vert->solver_index, v);
-
- BPH_hair_volume_grid_velocity(grid, x, v, fluid_factor,
nv);
-
- interp_v3_v3v3(nv, v, nv, smoothfac);
-
- /* apply on hair data */
- BPH_mass_spring_set_new_velocity(data,
vert->solver_index, nv);
- }
-
- /* store
@@ Diff output truncated at 10240 characters. @@
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