code cleanup:
[blender.git] / source / blender / blenlib / intern / scanfill.c
index 71eb0ec2df730138befc5544b8e402fbc6086c58..94752965f3a9f20f9a437ff0330a02d96a407172 100644 (file)
@@ -86,8 +86,8 @@ typedef struct PolyFill {
 } PolyFill;
 
 typedef struct ScanFillVertLink {
-       ScanFillVert *v1;
-       ScanFillEdge *first, *last;
+       ScanFillVert *vert;
+       ScanFillEdge *edge_first, *edge_last;
 } ScanFillVertLink;
 
 
@@ -112,10 +112,10 @@ static int vergscdata(const void *a1, const void *a2)
 {
        const ScanFillVertLink *x1 = a1, *x2 = a2;
        
-       if      (x1->v1->xy[1] < x2->v1->xy[1]) return  1;
-       else if (x1->v1->xy[1] > x2->v1->xy[1]) return -1;
-       else if (x1->v1->xy[0] > x2->v1->xy[0]) return  1;
-       else if (x1->v1->xy[0] < x2->v1->xy[0]) return -1;
+       if      (x1->vert->xy[1] < x2->vert->xy[1]) return  1;
+       else if (x1->vert->xy[1] > x2->vert->xy[1]) return -1;
+       else if (x1->vert->xy[0] > x2->vert->xy[0]) return  1;
+       else if (x1->vert->xy[0] < x2->vert->xy[0]) return -1;
 
        return 0;
 }
@@ -230,14 +230,14 @@ ScanFillEdge *BLI_scanfill_edge_add(ScanFillContext *sf_ctx, ScanFillVert *v1, S
 static void addfillface(ScanFillContext *sf_ctx, ScanFillVert *v1, ScanFillVert *v2, ScanFillVert *v3)
 {
        /* does not make edges */
-       ScanFillFace *evl;
+       ScanFillFace *sf_tri;
 
-       evl = mem_element_new(sf_ctx, sizeof(ScanFillFace));
-       BLI_addtail(&sf_ctx->fillfacebase, evl);
+       sf_tri = mem_element_new(sf_ctx, sizeof(ScanFillFace));
+       BLI_addtail(&sf_ctx->fillfacebase, sf_tri);
        
-       evl->v1 = v1;
-       evl->v2 = v2;
-       evl->v3 = v3;
+       sf_tri->v1 = v1;
+       sf_tri->v2 = v2;
+       sf_tri->v3 = v3;
 }
 
 static int boundisect(PolyFill *pf2, PolyFill *pf1)
@@ -311,8 +311,8 @@ static short addedgetoscanvert(ScanFillVertLink *sc, ScanFillEdge *eed)
        ScanFillEdge *ed;
        float fac, fac1, x, y;
 
-       if (sc->first == NULL) {
-               sc->first = sc->last = eed;
+       if (sc->edge_first == NULL) {
+               sc->edge_first = sc->edge_last = eed;
                eed->prev = eed->next = NULL;
                return 1;
        }
@@ -327,7 +327,7 @@ static short addedgetoscanvert(ScanFillVertLink *sc, ScanFillEdge *eed)
        }
        else fac1 = (x - eed->v2->xy[0]) / fac1;
 
-       for (ed = sc->first; ed; ed = ed->next) {
+       for (ed = sc->edge_first; ed; ed = ed->next) {
 
                if (ed->v2 == eed->v2) {
                        return 0;
@@ -345,8 +345,8 @@ static short addedgetoscanvert(ScanFillVertLink *sc, ScanFillEdge *eed)
                        break;
                }
        }
-       if (ed) BLI_insertlinkbefore((ListBase *)&(sc->first), ed, eed);
-       else BLI_addtail((ListBase *)&(sc->first), eed);
+       if (ed) BLI_insertlinkbefore((ListBase *)&(sc->edge_first), ed, eed);
+       else BLI_addtail((ListBase *)&(sc->edge_first), eed);
 
        return 1;
 }
@@ -373,7 +373,7 @@ static ScanFillVertLink *addedgetoscanlist(ScanFillContext *sf_ctx, ScanFillEdge
                eed->v2 = eve;
        }
        /* find location in list */
-       scsearch.v1 = eed->v1;
+       scsearch.vert = eed->v1;
        sc = (ScanFillVertLink *)bsearch(&scsearch, sf_ctx->_scdata, len,
                                         sizeof(ScanFillVertLink), vergscdata);
 
@@ -559,7 +559,7 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                        if (eve->f != SF_VERT_ZERO_LEN) {
                                verts++;
                                eve->f = 0;  /* flag for connectedges later on */
-                               sc->v1 = eve;
+                               sc->vert = eve;
                                sc++;
                        }
                }
@@ -616,11 +616,11 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
        sc = sf_ctx->_scdata;
        for (a = 0; a < verts; a++) {
                /* printf("VERTEX %d %x\n",a,sc->v1); */
-               ed1 = sc->first;
+               ed1 = sc->edge_first;
                while (ed1) {   /* set connectflags  */
                        nexted = ed1->next;
                        if (ed1->v1->h == 1 || ed1->v2->h == 1) {
-                               BLI_remlink((ListBase *)&(sc->first), ed1);
+                               BLI_remlink((ListBase *)&(sc->edge_first), ed1);
                                BLI_addtail(&sf_ctx->filledgebase, ed1);
                                if (ed1->v1->h > 1) ed1->v1->h--;
                                if (ed1->v2->h > 1) ed1->v2->h--;
@@ -629,8 +629,8 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
 
                        ed1 = nexted;
                }
-               while (sc->first) { /* for as long there are edges */
-                       ed1 = sc->first;
+               while (sc->edge_first) { /* for as long there are edges */
+                       ed1 = sc->edge_first;
                        ed2 = ed1->next;
                        
                        /* commented out... the ESC here delivers corrupted memory (and doesnt work during grab) */
@@ -641,7 +641,7 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                                break;
                        }
                        if (ed2 == 0) {
-                               sc->first = sc->last = NULL;
+                               sc->edge_first = sc->edge_last = NULL;
                                /* printf("just 1 edge to vert\n"); */
                                BLI_addtail(&sf_ctx->filledgebase, ed1);
                                ed1->v2->f = 0;
@@ -663,12 +663,12 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                                test = 0;
 
                                for (b = a + 1; b < verts; b++) {
-                                       if (sc1->v1->f == 0) {
-                                               if (sc1->v1->xy[1] <= miny) break;
+                                       if (sc1->vert->f == 0) {
+                                               if (sc1->vert->xy[1] <= miny) break;
 
-                                               if (testedgeside(v1->xy, v2->xy, sc1->v1->xy))
-                                                       if (testedgeside(v2->xy, v3->xy, sc1->v1->xy))
-                                                               if (testedgeside(v3->xy, v1->xy, sc1->v1->xy)) {
+                                               if (testedgeside(v1->xy, v2->xy, sc1->vert->xy))
+                                                       if (testedgeside(v2->xy, v3->xy, sc1->vert->xy))
+                                                               if (testedgeside(v3->xy, v1->xy, sc1->vert->xy)) {
                                                                        /* point in triangle */
                                                                
                                                                        test = 1;
@@ -679,11 +679,11 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                                }
                                if (test) {
                                        /* make new edge, and start over */
-                                       /* printf("add new edge %x %x and start again\n",v2,sc1->v1); */
+                                       /* printf("add new edge %x %x and start again\n",v2,sc1->vert); */
 
-                                       ed3 = BLI_scanfill_edge_add(sf_ctx, v2, sc1->v1);
+                                       ed3 = BLI_scanfill_edge_add(sf_ctx, v2, sc1->vert);
                                        BLI_remlink(&sf_ctx->filledgebase, ed3);
-                                       BLI_insertlinkbefore((ListBase *)&(sc->first), ed2, ed3);
+                                       BLI_insertlinkbefore((ListBase *)&(sc->edge_first), ed2, ed3);
                                        ed3->v2->f = SF_VERT_UNKNOWN;
                                        ed3->f = SF_EDGE_UNKNOWN;
                                        ed3->v1->h++; 
@@ -694,14 +694,14 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                                        /* printf("add face %x %x %x\n",v1,v2,v3); */
                                        addfillface(sf_ctx, v1, v2, v3);
                                        totface++;
-                                       BLI_remlink((ListBase *)&(sc->first), ed1);
+                                       BLI_remlink((ListBase *)&(sc->edge_first), ed1);
                                        BLI_addtail(&sf_ctx->filledgebase, ed1);
                                        ed1->v2->f = 0;
                                        ed1->v1->h--; 
                                        ed1->v2->h--;
                                        /* ed2 can be removed when it's a boundary edge */
                                        if ((ed2->f == 0 && twoconnected) || (ed2->f == SF_EDGE_BOUNDARY)) {
-                                               BLI_remlink((ListBase *)&(sc->first), ed2);
+                                               BLI_remlink((ListBase *)&(sc->edge_first), ed2);
                                                BLI_addtail(&sf_ctx->filledgebase, ed2);
                                                ed2->v2->f = 0;
                                                ed2->v1->h--; 
@@ -723,11 +723,11 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                                                ed3->v1->h--; 
                                                ed3->v2->h--;
 
-                                               ed3 = sc1->first;
+                                               ed3 = sc1->edge_first;
                                                while (ed3) {
                                                        if ( (ed3->v1 == v1 && ed3->v2 == v3) || (ed3->v1 == v3 && ed3->v2 == v1) ) {
                                                                if (twoconnected || ed3->f == SF_EDGE_BOUNDARY) {
-                                                                       BLI_remlink((ListBase *)&(sc1->first), ed3);
+                                                                       BLI_remlink((ListBase *)&(sc1->edge_first), ed3);
                                                                        BLI_addtail(&sf_ctx->filledgebase, ed3);
                                                                        ed3->v1->h--; 
                                                                        ed3->v2->h--;
@@ -741,11 +741,11 @@ static int scanfill(ScanFillContext *sf_ctx, PolyFill *pf)
                                }
                        }
                        /* test for loose edges */
-                       ed1 = sc->first;
+                       ed1 = sc->edge_first;
                        while (ed1) {
                                nexted = ed1->next;
                                if (ed1->v1->h < 2 || ed1->v2->h < 2) {
-                                       BLI_remlink((ListBase *)&(sc->first), ed1);
+                                       BLI_remlink((ListBase *)&(sc->edge_first), ed1);
                                        BLI_addtail(&sf_ctx->filledgebase, ed1);
                                        if (ed1->v1->h > 1) ed1->v1->h--;
                                        if (ed1->v2->h > 1) ed1->v2->h--;