diff options
author | Campbell Barton <ideasman42@gmail.com> | 2013-11-21 03:35:48 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2013-11-21 03:36:56 +0400 |
commit | ac021a42addfde0ea3ea8437936142718f4a786c (patch) | |
tree | ebdeb6fcf1f3c16efbafb542f7338af090a54702 /source/blender/modifiers | |
parent | 7cdfe18385b8ab1036a2208860d73af920533ae3 (diff) |
Code Cleanup: use strict flags for screw modifier, reduce sign conversion
Diffstat (limited to 'source/blender/modifiers')
-rw-r--r-- | source/blender/modifiers/intern/MOD_screw.c | 113 |
1 files changed, 59 insertions, 54 deletions
diff --git a/source/blender/modifiers/intern/MOD_screw.c b/source/blender/modifiers/intern/MOD_screw.c index f3d5157a6ef..7955e02cdb6 100644 --- a/source/blender/modifiers/intern/MOD_screw.c +++ b/source/blender/modifiers/intern/MOD_screw.c @@ -34,6 +34,7 @@ /* Screw modifier: revolves the edges about an axis */ +#include <limits.h> #include "DNA_meshdata_types.h" #include "DNA_object_types.h" @@ -41,19 +42,20 @@ #include "BLI_math.h" #include "BLI_utildefines.h" - #include "BKE_cdderivedmesh.h" #include "depsgraph_private.h" #include "MOD_modifiertypes.h" #include "MEM_guardedalloc.h" +#include "BLI_strict_flags.h" + /* used for gathering edge connectivity */ typedef struct ScrewVertConnect { float dist; /* distance from the center axis */ float co[3]; /* loaction relative to the transformed axis */ float no[3]; /* calc normal of the vertex */ - int v[2]; /* 2 verts on either side of this one */ + unsigned int v[2]; /* 2 verts on either side of this one */ MEdge *e[2]; /* edges on either side, a bit of a waste since each edge ref's 2 edges */ char flag; } ScrewVertConnect; @@ -61,18 +63,20 @@ typedef struct ScrewVertConnect { typedef struct ScrewVertIter { ScrewVertConnect *v_array; ScrewVertConnect *v_poin; - int v; - int v_other; + unsigned int v, v_other; MEdge *e; } ScrewVertIter; +#define SV_UNUSED (UINT_MAX) +#define SV_INVALID ((UINT_MAX) - 1) +#define SV_IS_VALID(v) (v < SV_INVALID) -static void screwvert_iter_init(ScrewVertIter *iter, ScrewVertConnect *array, int v_init, int dir) +static void screwvert_iter_init(ScrewVertIter *iter, ScrewVertConnect *array, unsigned int v_init, unsigned int dir) { iter->v_array = array; iter->v = v_init; - if (v_init >= 0) { + if (SV_IS_VALID(v_init)) { iter->v_poin = &array[v_init]; iter->v_other = iter->v_poin->v[dir]; iter->e = iter->v_poin->e[!dir]; @@ -94,7 +98,7 @@ static void screwvert_iter_step(ScrewVertIter *iter) iter->v_other = iter->v; iter->v = iter->v_poin->v[0]; } - if (iter->v >= 0) { + if (SV_IS_VALID(iter->v)) { iter->v_poin = &iter->v_array[iter->v]; iter->e = iter->v_poin->e[(iter->v_poin->e[0] == iter->e)]; } @@ -109,7 +113,7 @@ static void initData(ModifierData *md) { ScrewModifierData *ltmd = (ScrewModifierData *) md; ltmd->ob_axis = NULL; - ltmd->angle = M_PI * 2.0; + ltmd->angle = (float)(M_PI * 2.0); ltmd->axis = 2; ltmd->flag = MOD_SCREW_SMOOTH_SHADING; ltmd->steps = 16; @@ -143,18 +147,19 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, int *origindex; int mpoly_index = 0; - int step; - int i, j; + unsigned int step; + unsigned int i, j; unsigned int i1, i2; - int step_tot = useRenderParams ? ltmd->render_steps : ltmd->steps; - const int do_flip = ltmd->flag & MOD_SCREW_NORMAL_FLIP ? 1 : 0; - int maxVerts = 0, maxEdges = 0, maxPolys = 0; - const unsigned int totvert = dm->getNumVerts(dm); - const unsigned int totedge = dm->getNumEdges(dm); - const unsigned int totpoly = dm->getNumPolys(dm); - int *edge_poly_map = NULL; - - char axis_char = 'X', close; + unsigned int step_tot = useRenderParams ? ltmd->render_steps : ltmd->steps; + const bool do_flip = ltmd->flag & MOD_SCREW_NORMAL_FLIP ? 1 : 0; + unsigned int maxVerts = 0, maxEdges = 0, maxPolys = 0; + const unsigned int totvert = (unsigned int)dm->getNumVerts(dm); + const unsigned int totedge = (unsigned int)dm->getNumEdges(dm); + const unsigned int totpoly = (unsigned int)dm->getNumPolys(dm); + unsigned int *edge_poly_map = NULL; + + char axis_char = 'X'; + bool close; float angle = ltmd->angle; float screw_ofs = ltmd->screw_ofs; float axis_vec[3] = {0.0f, 0.0f, 0.0f}; @@ -164,11 +169,11 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, float mtx_tx_inv[4][4]; /* inverted */ float mtx_tmp_a[4][4]; - int vc_tot_linked = 0; + unsigned int vc_tot_linked = 0; short other_axis_1, other_axis_2; float *tmpf1, *tmpf2; - int edge_offset; + unsigned int edge_offset; MPoly *mpoly_orig, *mpoly_new, *mp_new; MLoop *mloop_orig, *mloop_new, *ml_new; @@ -261,7 +266,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, } else { /* exis char is used by i_rotate*/ - axis_char += ltmd->axis; /* 'X' + axis */ + axis_char = (char)(axis_char + ltmd->axis); /* 'X' + axis */ /* useful to be able to use the axis vec in some cases still */ zero_v3(axis_vec); @@ -269,8 +274,8 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, } /* apply the multiplier */ - angle *= ltmd->iter; - screw_ofs *= ltmd->iter; + angle *= (float)ltmd->iter; + screw_ofs *= (float)ltmd->iter; /* multiplying the steps is a bit tricky, this works best */ step_tot = ((step_tot + 1) * ltmd->iter) - (ltmd->iter - 1); @@ -301,7 +306,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, maxPolys = totedge * (step_tot - 1); } - result = CDDM_from_template(dm, maxVerts, maxEdges, 0, maxPolys * 4, maxPolys); + result = CDDM_from_template(dm, (int)maxVerts, (int)maxEdges, 0, (int)maxPolys * 4, (int)maxPolys); /* copy verts from mesh */ mvert_orig = dm->getVertArray(dm); @@ -313,12 +318,12 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, medge_new = result->getEdgeArray(result); if (!CustomData_has_layer(&result->polyData, CD_ORIGINDEX)) { - CustomData_add_layer(&result->polyData, CD_ORIGINDEX, CD_CALLOC, NULL, maxPolys); + CustomData_add_layer(&result->polyData, CD_ORIGINDEX, CD_CALLOC, NULL, (int)maxPolys); } origindex = CustomData_get_layer(&result->polyData, CD_ORIGINDEX); - DM_copy_vert_data(dm, result, 0, 0, totvert); /* copy first otherwise this overwrites our own vertex normals */ + DM_copy_vert_data(dm, result, 0, 0, (int)totvert); /* copy first otherwise this overwrites our own vertex normals */ /* Set the locations of the first set of verts */ @@ -342,12 +347,12 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, mpoly_orig = dm->getPolyArray(dm); mloop_orig = dm->getLoopArray(dm); edge_poly_map = MEM_mallocN(sizeof(*edge_poly_map) * totedge, __func__); - fill_vn_i(edge_poly_map, totedge, -1); + memset(edge_poly_map, 0xff, sizeof(*edge_poly_map) * totedge); for (i = 0, mp_orig = mpoly_orig; i < totpoly; i++, mp_orig++) { MLoop *ml_orig = &mloop_orig[mp_orig->loopstart]; - int j; - for (j = 0; j < mp_orig->totloop; j++, ml_orig++) { + int k; + for (k = 0; k < mp_orig->totloop; k++, ml_orig++) { edge_poly_map[ml_orig->e] = i; /* also order edges based on faces */ @@ -410,7 +415,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, vc->flag = 0; vc->e[0] = vc->e[1] = NULL; - vc->v[0] = vc->v[1] = -1; + vc->v[0] = vc->v[1] = SV_UNUSED; mul_m4_v3(mtx_tx, vc->co); /* length in 2d, don't sqrt because this is only for comparison */ @@ -428,7 +433,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, vc->flag = 0; vc->e[0] = vc->e[1] = NULL; - vc->v[0] = vc->v[1] = -1; + vc->v[0] = vc->v[1] = SV_UNUSED; /* length in 2d, don't sqrt because this is only for comparison */ vc->dist = vc->co[other_axis_1] * vc->co[other_axis_1] + @@ -442,31 +447,31 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, for (i = 0; i < totedge; i++, med_new++) { vc = &vert_connect[med_new->v1]; - if (vc->v[0] == -1) { /* unused */ + if (vc->v[0] == SV_UNUSED) { /* unused */ vc->v[0] = med_new->v2; vc->e[0] = med_new; } - else if (vc->v[1] == -1) { + else if (vc->v[1] == SV_UNUSED) { vc->v[1] = med_new->v2; vc->e[1] = med_new; } else { - vc->v[0] = vc->v[1] = -2; /* error value - don't use, 3 edges on vert */ + vc->v[0] = vc->v[1] = SV_INVALID; /* error value - don't use, 3 edges on vert */ } vc = &vert_connect[med_new->v2]; /* same as above but swap v1/2 */ - if (vc->v[0] == -1) { /* unused */ + if (vc->v[0] == SV_UNUSED) { /* unused */ vc->v[0] = med_new->v1; vc->e[0] = med_new; } - else if (vc->v[1] == -1) { + else if (vc->v[1] == SV_UNUSED) { vc->v[1] = med_new->v1; vc->e[1] = med_new; } else { - vc->v[0] = vc->v[1] = -2; /* error value - don't use, 3 edges on vert */ + vc->v[0] = vc->v[1] = SV_INVALID; /* error value - don't use, 3 edges on vert */ } } @@ -477,12 +482,12 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, * so resulting faces are flipped the right way */ vc_tot_linked = 0; /* count the number of linked verts for this loop */ if (vc->flag == 0) { - int v_best = -1, ed_loop_closed = 0; /* vert and vert new */ + unsigned int v_best = SV_UNUSED, ed_loop_closed = 0; /* vert and vert new */ ScrewVertIter lt_iter; float fl = -1.0f; /* compiler complains if not initialized, but it should be initialized below */ - int ed_loop_flip = 0; + bool ed_loop_flip = false; /*printf("Loop on connected vert: %i\n", i);*/ @@ -496,7 +501,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, /*printf("\t\tVERT: %i\n", lt_iter.v);*/ if (lt_iter.v_poin->flag) { /*printf("\t\t\tBreaking Found end\n");*/ - //endpoints[0] = endpoints[1] = -1; + //endpoints[0] = endpoints[1] = SV_UNUSED; ed_loop_closed = 1; /* circle */ break; } @@ -518,7 +523,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, } /* now we have a collection of used edges. flip their edges the right way*/ - /*if (v_best != -1) - */ + /*if (v_best != SV_UNUSED) - */ /*printf("Done Looking - vc_tot_linked: %i\n", vc_tot_linked);*/ @@ -532,7 +537,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, /* edge connects on each side! */ - if ((vc_tmp->v[0] > -1) && (vc_tmp->v[1] > -1)) { + if (SV_IS_VALID(vc_tmp->v[0]) && SV_IS_VALID(vc_tmp->v[1])) { /*printf("Verts on each side (%i %i)\n", vc_tmp->v[0], vc_tmp->v[1]);*/ /* find out which is higher */ @@ -561,7 +566,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, } } } - else if (vc_tmp->v[0] >= 0) { /*vertex only connected on 1 side */ + else if (SV_IS_VALID(vc_tmp->v[0])) { /*vertex only connected on 1 side */ /*printf("Verts on ONE side (%i %i)\n", vc_tmp->v[0], vc_tmp->v[1]);*/ if (tmpf1[ltmd->axis] < vc_tmp->co[ltmd->axis]) { /* best is above */ ed_loop_flip = 1; @@ -602,7 +607,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, /* If this is the vert off the best vert and * the best vert has 2 edges connected too it * then swap the flip direction */ - if (j == 1 && (vc_tmp->v[0] > -1) && (vc_tmp->v[1] > -1)) + if (j == 1 && SV_IS_VALID(vc_tmp->v[0]) && SV_IS_VALID(vc_tmp->v[1])) ed_loop_flip = !ed_loop_flip; while (lt_iter.v_poin && lt_iter.v_poin->flag != 2) { @@ -647,8 +652,8 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, * * calculate vertex normals that can be propagated on lathing * use edge connectivity work this out */ - if (vc->v[0] >= 0) { - if (vc->v[1] >= 0) { + if (SV_IS_VALID(vc->v[0])) { + if (SV_IS_VALID(vc->v[1])) { /* 2 edges connedted */ /* make 2 connecting vert locations relative to the middle vert */ sub_v3_v3v3(tmp_vec1, mvert_new[vc->v[0]].co, mvert_new[i].co); @@ -714,12 +719,12 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, /* Add Faces */ for (step = 1; step < step_tot; step++) { - const int varray_stride = totvert * step; + const unsigned int varray_stride = totvert * step; float step_angle; float nor_tx[3]; float mat[4][4]; /* Rotation Matrix */ - step_angle = (angle / (step_tot - (!close))) * step; + step_angle = (angle / (float)(step_tot - (!close))) * (float)step; if (ltmd->ob_axis) { axis_angle_normalized_to_mat3(mat3, axis_vec, step_angle); @@ -735,7 +740,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, madd_v3_v3fl(mat[3], axis_vec, screw_ofs * ((float)step / (float)(step_tot - 1))); /* copy a slice */ - DM_copy_vert_data(dm, result, 0, varray_stride, totvert); + DM_copy_vert_data(dm, result, 0, (int)varray_stride, (int)totvert); mv_new_base = mvert_new; mv_new = &mvert_new[varray_stride]; /* advance to the next slice */ @@ -782,7 +787,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, if (close) { /* last loop of edges, previous loop dosnt account for the last set of edges */ - const int varray_stride = (step_tot - 1) * totvert; + const unsigned int varray_stride = (step_tot - 1) * totvert; for (i = 0; i < totvert; i++) { med_new->v1 = i; @@ -806,7 +811,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, i1 = med_new_firstloop->v1; i2 = med_new_firstloop->v2; - if (totpoly && (edge_poly_map[i] != -1)) { + if (totpoly && (edge_poly_map[i] != UINT_MAX)) { mat_nr = mpoly_orig[edge_poly_map[i]].mat_nr; } else { @@ -907,10 +912,10 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, /* validate loop edges */ #if 0 { - i = 0; + unsigned i = 0; printf("\n"); for (; i < maxPolys * 4; i += 4) { - int ii; + unsigned int ii; ml_new = mloop_new + i; ii = findEd(medge_new, maxEdges, ml_new[0].v, ml_new[1].v); printf("%d %d -- ", ii, ml_new[0].e); |