126 lines
2.5 KiB
C
126 lines
2.5 KiB
C
#include "MEM_guardedalloc.h"
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#include "BKE_utildefines.h"
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#include "bmesh.h"
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#include "mesh_intern.h"
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#include "bmesh_private.h"
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#include "BLI_arithb.h"
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#include <stdio.h>
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#include <string.h>
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#define VERT_INPUT 1
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#define EDGE_OUT 1
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#define FACE_NEW 2
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void connectverts_exec(BMesh *bm, BMOperator *op)
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{
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BMIter iter, liter;
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BMFace *f, *nf;
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BMLoop **loops = NULL, *lastl = NULL;
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V_DECLARE(loops);
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BMLoop *l, *nl;
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BMVert *v1, *v2, **verts = NULL;
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V_DECLARE(verts);
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int i;
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BMO_Flag_Buffer(bm, op, BM_CONVERTS_VERTIN, VERT_INPUT);
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for (f=BMIter_New(&iter, bm, BM_FACES, NULL); f; f=BMIter_Step(&iter)){
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V_RESET(loops);
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V_RESET(verts);
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if (BMO_TestFlag(bm, f, FACE_NEW)) continue;
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l = BMIter_New(&liter, bm, BM_LOOPS_OF_FACE, f);
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v1 = v2 = NULL;
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lastl = NULL;
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for (; l; l=BMIter_Step(&liter)) {
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if (BMO_TestFlag(bm, l->v, VERT_INPUT)) {
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if (!lastl) {
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lastl = l;
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continue;
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}
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if (lastl != l->head.prev && lastl !=
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l->head.next)
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{
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V_GROW(loops);
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loops[V_COUNT(loops)-1] = lastl;
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V_GROW(loops);
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loops[V_COUNT(loops)-1] = l;
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}
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lastl = l;
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}
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}
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if (V_COUNT(loops) == 0) continue;
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if (V_COUNT(loops) > 2) {
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V_GROW(loops);
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loops[V_COUNT(loops)-1] = loops[V_COUNT(loops)-2];
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V_GROW(loops);
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loops[V_COUNT(loops)-1] = loops[0];
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}
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BM_LegalSplits(bm, f, loops, V_COUNT(loops)/2);
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for (i=0; i<V_COUNT(loops)/2; i++) {
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if (loops[i*2]==NULL) continue;
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V_GROW(verts);
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verts[V_COUNT(verts)-1] = loops[i*2]->v;
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V_GROW(verts);
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verts[V_COUNT(verts)-1] = loops[i*2+1]->v;
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}
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for (i=0; i<V_COUNT(verts)/2; i++) {
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nf = BM_Split_Face(bm, f, verts[i*2],
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verts[i*2+1], &nl, NULL);
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f = nf;
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if (!nl || !nf) {
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BMO_RaiseError(bm, op,
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BMERR_CONNECTVERT_FAILED, NULL);
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V_FREE(loops);
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return;;;
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}
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BMO_SetFlag(bm, nf, FACE_NEW);
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BMO_SetFlag(bm, nl->e, EDGE_OUT);
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}
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}
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BMO_Flag_To_Slot(bm, op, BM_CONVERTS_EDGEOUT, EDGE_OUT, BM_EDGE);
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V_FREE(loops);
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V_FREE(verts);
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}
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int BM_ConnectVerts(EditMesh *em, int flag)
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{
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EditMesh *em2;
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BMesh *bm = editmesh_to_bmesh(em);
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BMOperator op;
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BMO_Init_Op(&op, BMOP_CONNECT_VERTS);
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BMO_HeaderFlag_To_Slot(bm, &op, BM_CONVERTS_VERTIN, flag, BM_VERT);
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BMO_Exec_Op(bm, &op);
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BMO_Finish_Op(bm, &op);
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if (BMO_GetSlot(&op, BM_CONVERTS_EDGEOUT)->len > 0 &&
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BMO_GetError(bm, NULL, NULL)==0)
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{
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em2 = bmesh_to_editmesh(bm);
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set_editMesh(em, em2);
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MEM_freeN(em2);
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return 1;
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}
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return 0;
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} |