style cleanup: follow style guide for formatting of if/for/while loops, and else...
[blender.git] / source / blender / editors / space_node / drawnode.c
index b76eb6a4879e01a0d73bd44ddfa32c084719b958..7176c86cb11aec99865de8ae73d98888f0109b50 100644 (file)
@@ -85,7 +85,7 @@ static void node_sync_cb(bContext *UNUSED(C), void *snode_v, void *node_v)
 {
        SpaceNode *snode= snode_v;
        
-       if(snode->treetype==NTREE_SHADER) {
+       if (snode->treetype==NTREE_SHADER) {
                nodeShaderSynchronizeID(node_v, 1);
                // allqueue(REDRAWBUTSSHADING, 0);
        }
@@ -283,7 +283,7 @@ static void node_draw_socket_new(bNodeSocket *sock, float size)
        glColor3ub(180, 180, 180);
        
        glBegin(GL_POLYGON);
-       for(a=0; a<16; a++)
+       for (a=0; a<16; a++)
                glVertex2f(x+size*si[a], y+size*co[a]);
        glEnd();
        
@@ -291,7 +291,7 @@ static void node_draw_socket_new(bNodeSocket *sock, float size)
        glEnable(GL_BLEND);
        glEnable( GL_LINE_SMOOTH );
        glBegin(GL_LINE_LOOP);
-       for(a=0; a<16; a++)
+       for (a=0; a<16; a++)
                glVertex2f(x+size*si[a], y+size*co[a]);
        glEnd();
        glDisable( GL_LINE_SMOOTH );
@@ -336,7 +336,7 @@ static void node_buts_mix_rgb(uiLayout *layout, bContext *UNUSED(C), PointerRNA
 
        row= uiLayoutRow(layout, 1);
        uiItemR(row, ptr, "blend_type", 0, "", ICON_NONE);
-       if(ntree->type == NTREE_COMPOSIT)
+       if (ntree->type == NTREE_COMPOSIT)
                uiItemR(row, ptr, "use_alpha", 0, "", ICON_IMAGE_RGB_ALPHA);
 }
 
@@ -348,9 +348,9 @@ static void node_buts_time(uiLayout *layout, bContext *UNUSED(C), PointerRNA *pt
        bNode *node= ptr->data;
        CurveMapping *cumap= node->storage;
        
-       if(cumap) {
+       if (cumap) {
                cumap->flag |= CUMA_DRAW_CFRA;
-               if(node->custom1<node->custom2)
+               if (node->custom1<node->custom2)
                        cumap->sample[0]= (float)(CFRA - node->custom1)/(float)(node->custom2-node->custom1);
        }
 #endif
@@ -385,7 +385,7 @@ static void node_buts_curvecol(uiLayout *layout, bContext *UNUSED(C), PointerRNA
        bNode *node= ptr->data;
        CurveMapping *cumap= node->storage;
 
-       if(_sample_col) {
+       if (_sample_col) {
                cumap->flag |= CUMA_DRAW_SAMPLE;
                copy_v3_v3(cumap->sample, _sample_col);
        }
@@ -427,9 +427,9 @@ static void node_browse_tex_cb(bContext *C, void *ntree_v, void *node_v)
        bNode *node= node_v;
        Tex *tex;
        
-       if(node->menunr<1) return;
+       if (node->menunr<1) return;
        
-       if(node->id) {
+       if (node->id) {
                node->id->us--;
                node->id= NULL;
        }
@@ -441,7 +441,7 @@ static void node_browse_tex_cb(bContext *C, void *ntree_v, void *node_v)
        
        nodeSetActive(ntree, node);
        
-       if( ntree->type == NTREE_TEXTURE )
+       if ( ntree->type == NTREE_TEXTURE )
                ntreeTexCheckCyclics( ntree );
        
        // allqueue(REDRAWBUTSSHADING, 0);
@@ -496,7 +496,7 @@ static void node_buts_texture(uiLayout *layout, bContext *UNUSED(C), PointerRNA
        
        uiItemR(layout, ptr, "texture", 0, "", ICON_NONE);
        
-       if(multi) {
+       if (multi) {
                /* Number Drawing not optimal here, better have a list*/
                uiItemR(layout, ptr, "node_output", 0, "", ICON_NONE);
        }
@@ -559,8 +559,8 @@ static void node_update_group(const bContext *C, bNodeTree *ntree, bNode *gnode)
                rect->ymin = rect->ymax = locy;
                
                counter= 1;
-               for(node= ngroup->nodes.first; node; node= node->next) {
-                       if(counter) {
+               for (node= ngroup->nodes.first; node; node= node->next) {
+                       if (counter) {
                                *rect= node->totr;
                                counter= 0;
                        }
@@ -994,9 +994,9 @@ static void node_browse_text_cb(bContext *C, void *ntree_v, void *node_v)
        bNode *node= node_v;
        /* ID *oldid; */ /* UNUSED */
        
-       if(node->menunr<1) return;
+       if (node->menunr<1) return;
        
-       if(node->id) {
+       if (node->id) {
                node->id->us--;
        }
        /* oldid= node->id; */ /* UNUSED */
@@ -1021,7 +1021,7 @@ static void node_shader_buts_material(uiLayout *layout, bContext *C, PointerRNA
        
        uiTemplateID(layout, C, ptr, "material", "MATERIAL_OT_new", NULL, NULL);
        
-       if(!node->id) return;
+       if (!node->id) return;
        
        col= uiLayoutColumn(layout, 0);
        uiItemR(col, ptr, "use_diffuse", 0, NULL, ICON_NONE);
@@ -1066,7 +1066,7 @@ static void node_shader_buts_geometry(uiLayout *layout, bContext *C, PointerRNA
 
        col= uiLayoutColumn(layout, 0);
 
-       if(obptr.data && RNA_enum_get(&obptr, "type") == OB_MESH) {
+       if (obptr.data && RNA_enum_get(&obptr, "type") == OB_MESH) {
                PointerRNA dataptr= RNA_pointer_get(&obptr, "data");
 
                uiItemPointerR(col, ptr, "uv_layer", &dataptr, "uv_textures", "", ICON_NONE);
@@ -1146,7 +1146,7 @@ static void node_shader_buts_dynamic(uiLayout *layout, bContext *C, PointerRNA *
        int xoff=0;
 
        /* B_NODE_EXEC is handled in butspace.c do_node_buts */
-       if(!node->id) {
+       if (!node->id) {
                        const char *strp;
                        IDnames_to_pupstring(&strp, NULL, "", &(bmain->text), NULL, NULL);
                        node->menunr= 0;
@@ -1155,7 +1155,7 @@ static void node_shader_buts_dynamic(uiLayout *layout, bContext *C, PointerRNA *
                                                        &node->menunr, 0, 0, 0, 0, "Browses existing choices");
                        uiButSetFunc(bt, node_browse_text_cb, ntree, node);
                        xoff=19;
-                       if(strp) MEM_freeN((void *)strp);
+                       if (strp) MEM_freeN((void *)strp);
        }
        else {
                bt = uiDefBut(block, BUT, B_NOP, "Update",
@@ -1269,7 +1269,7 @@ static void node_composit_buts_image(uiLayout *layout, bContext *C, PointerRNA *
        
        uiTemplateID(layout, C, ptr, "image", NULL, "IMAGE_OT_open", NULL);
        
-       if(!node->id) return;
+       if (!node->id) return;
        
        prop = RNA_struct_find_property(ptr, "image");
        if (!prop || RNA_property_type(prop) != PROP_POINTER) return;
@@ -1281,7 +1281,7 @@ static void node_composit_buts_image(uiLayout *layout, bContext *C, PointerRNA *
        
        source= RNA_enum_get(&imaptr, "source");
 
-       if(source == IMA_SRC_SEQUENCE) {
+       if (source == IMA_SRC_SEQUENCE) {
                /* don't use iuser->framenr directly because it may not be updated if auto-refresh is off */
                Scene *scene= CTX_data_scene(C);
                ImageUser *iuser= node->storage;
@@ -1321,7 +1321,7 @@ static void node_composit_buts_renderlayers(uiLayout *layout, bContext *C, Point
 
        uiTemplateID(layout, C, ptr, "scene", NULL, NULL, NULL);
        
-       if(!node->id) return;
+       if (!node->id) return;
 
        col= uiLayoutColumn(layout, 0);
        row = uiLayoutRow(col, 0);
@@ -1534,12 +1534,13 @@ static void node_composit_buts_crop(uiLayout *layout, bContext *UNUSED(C), Point
        uiItemR(layout, ptr, "relative", 0, NULL, ICON_NONE);
 
        col= uiLayoutColumn(layout, 1);
-       if (RNA_boolean_get(ptr, "relative")){
+       if (RNA_boolean_get(ptr, "relative")) {
                uiItemR(col, ptr, "rel_min_x", 0, "Left", ICON_NONE);
                uiItemR(col, ptr, "rel_max_x", 0, "Right", ICON_NONE);
                uiItemR(col, ptr, "rel_min_y", 0, "Up", ICON_NONE);
                uiItemR(col, ptr, "rel_max_y", 0, "Down", ICON_NONE);
-       } else {
+       }
+       else {
                uiItemR(col, ptr, "min_x", 0, "Left", ICON_NONE);
                uiItemR(col, ptr, "max_x", 0, "Right", ICON_NONE);
                uiItemR(col, ptr, "min_y", 0, "Up", ICON_NONE);
@@ -1652,7 +1653,7 @@ static void node_composit_buts_color_spill(uiLayout *layout, bContext *UNUSED(C)
        col= uiLayoutColumn(layout, 0);
        uiItemR(col, ptr, "limit_method", 0, NULL, ICON_NONE);
 
-       if(RNA_enum_get(ptr, "limit_method")==0) {
+       if (RNA_enum_get(ptr, "limit_method")==0) {
                uiItemL(col, "Limiting Channel:", ICON_NONE);
                row=uiLayoutRow(col,0);
                uiItemR(row, ptr, "limit_channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
@@ -1707,7 +1708,7 @@ static void node_composit_buts_channel_matte(uiLayout *layout, bContext *UNUSED(
        col = uiLayoutColumn(layout, 0);
 
        uiItemR(col, ptr, "limit_method", 0, NULL, ICON_NONE);
-       if(RNA_enum_get(ptr, "limit_method")==0) {
+       if (RNA_enum_get(ptr, "limit_method")==0) {
                uiItemL(col, "Limiting Channel:", ICON_NONE);
                row=uiLayoutRow(col,0);
                uiItemR(row, ptr, "limit_channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
@@ -1843,7 +1844,8 @@ static void node_composit_buts_colorbalance(uiLayout *layout, bContext *UNUSED(C
                row = uiLayoutRow(col, 0);
                uiItemR(row, ptr, "gain", 0, NULL, ICON_NONE);
 
-       } else {
+       }
+       else {
                
                split = uiLayoutSplit(layout, 0, 0);
                col = uiLayoutColumn(split, 0);
@@ -1877,7 +1879,8 @@ static void node_composit_buts_colorbalance_but(uiLayout *layout, bContext *UNUS
 
                uiTemplateColorWheel(layout, ptr, "gain", 1, 1, 1, 1);
                uiItemR(layout, ptr, "gain", 0, NULL, ICON_NONE);
-       } else {
+       }
+       else {
                uiTemplateColorWheel(layout, ptr, "offset", 1, 1, 0, 1);
                uiItemR(layout, ptr, "offset", 0, NULL, ICON_NONE);
 
@@ -1911,7 +1914,7 @@ static void node_composit_buts_stabilize2d(uiLayout *layout, bContext *C, Pointe
 
        uiTemplateID(layout, C, ptr, "clip", NULL, "CLIP_OT_open", NULL);
 
-       if(!node->id)
+       if (!node->id)
                return;
 
        uiItemR(layout, ptr, "filter_type", 0, "", 0);
@@ -1928,7 +1931,7 @@ static void node_composit_buts_moviedistortion(uiLayout *layout, bContext *C, Po
 
        uiTemplateID(layout, C, ptr, "clip", NULL, "CLIP_OT_open", NULL);
 
-       if(!node->id)
+       if (!node->id)
                return;
 
        uiItemR(layout, ptr, "distortion_type", 0, "", 0);
@@ -2194,7 +2197,7 @@ static void node_texture_buts_proc(uiLayout *layout, bContext *UNUSED(C), Pointe
                        break;
                case TEX_VORONOI:
                        uiItemR(col, &tex_ptr, "distance_metric", 0, "", ICON_NONE);
-                       if(tex->vn_distm == TEX_MINKOVSKY) {
+                       if (tex->vn_distm == TEX_MINKOVSKY) {
                                uiItemR(col, &tex_ptr, "minkovsky_exponent", 0, NULL, ICON_NONE);
                        }
                        uiItemR(col, &tex_ptr, "color_mode", 0, "", ICON_NONE);
@@ -2216,7 +2219,7 @@ static void node_texture_buts_output(uiLayout *layout, bContext *UNUSED(C), Poin
 static void node_texture_set_butfunc(bNodeType *ntype)
 {
        ntype->uifuncbut = NULL;
-       if( ntype->type >= TEX_NODE_PROC && ntype->type < TEX_NODE_PROC_MAX ) {
+       if ( ntype->type >= TEX_NODE_PROC && ntype->type < TEX_NODE_PROC_MAX ) {
                ntype->uifunc = node_texture_buts_proc;
        }
        else switch(ntype->type) {
@@ -2329,11 +2332,11 @@ void ED_init_node_butfuncs(void)
 void draw_nodespace_back_pix(ARegion *ar, SpaceNode *snode, int color_manage)
 {
        
-       if((snode->flag & SNODE_BACKDRAW) && snode->treetype==NTREE_COMPOSIT) {
+       if ((snode->flag & SNODE_BACKDRAW) && snode->treetype==NTREE_COMPOSIT) {
                Image *ima= BKE_image_verify_viewer(IMA_TYPE_COMPOSITE, "Viewer Node");
                void *lock;
                ImBuf *ibuf= BKE_image_acquire_ibuf(ima, NULL, &lock);
-               if(ibuf) {
+               if (ibuf) {
                        float x, y; 
                        
                        glMatrixMode(GL_PROJECTION);
@@ -2342,7 +2345,7 @@ void draw_nodespace_back_pix(ARegion *ar, SpaceNode *snode, int color_manage)
                        glPushMatrix();
 
                        /* keep this, saves us from a version patch */
-                       if(snode->zoom==0.0f) snode->zoom= 1.0f;
+                       if (snode->zoom==0.0f) snode->zoom= 1.0f;
                        
                        /* somehow the offset has to be calculated inverse */
                        
@@ -2353,26 +2356,27 @@ void draw_nodespace_back_pix(ARegion *ar, SpaceNode *snode, int color_manage)
                        x = (ar->winx-snode->zoom*ibuf->x)/2 + snode->xof;
                        y = (ar->winy-snode->zoom*ibuf->y)/2 + snode->yof;
                        
-                       if(!ibuf->rect) {
-                               if(color_manage)
+                       if (!ibuf->rect) {
+                               if (color_manage)
                                        ibuf->profile = IB_PROFILE_LINEAR_RGB;
                                else
                                        ibuf->profile = IB_PROFILE_NONE;
                                IMB_rect_from_float(ibuf);
                        }
 
-                       if(ibuf->rect) {
+                       if (ibuf->rect) {
                                if (snode->flag & SNODE_SHOW_ALPHA) {
                                        glPixelZoom(snode->zoom, snode->zoom);
                                        /* swap bytes, so alpha is most significant one, then just draw it as luminance int */
-                                       if(ENDIAN_ORDER == B_ENDIAN)
+                                       if (ENDIAN_ORDER == B_ENDIAN)
                                                glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
                                        
                                        glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_LUMINANCE, GL_UNSIGNED_INT, ibuf->rect);
                                        
                                        glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
                                        glPixelZoom(1.0f, 1.0f);
-                               } else if (snode->flag & SNODE_USE_ALPHA) {
+                               }
+                               else if (snode->flag & SNODE_USE_ALPHA) {
                                        glEnable(GL_BLEND);
                                        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
                                        glPixelZoom(snode->zoom, snode->zoom);
@@ -2381,7 +2385,8 @@ void draw_nodespace_back_pix(ARegion *ar, SpaceNode *snode, int color_manage)
                                        
                                        glPixelZoom(1.0f, 1.0f);
                                        glDisable(GL_BLEND);
-                               } else {
+                               }
+                               else {
                                        glPixelZoom(snode->zoom, snode->zoom);
                                        
                                        glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
@@ -2407,10 +2412,10 @@ static void draw_nodespace_back_tex(ScrArea *sa, SpaceNode *snode)
 
        draw_nodespace_grid(snode);
        
-       if(snode->flag & SNODE_BACKDRAW) {
+       if (snode->flag & SNODE_BACKDRAW) {
                Image *ima= BKE_image_verify_viewer(IMA_TYPE_COMPOSITE, "Viewer Node");
                ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
-               if(ibuf) {
+               if (ibuf) {
                        int x, y;
                        float zoom = 1.0;
 
@@ -2421,7 +2426,7 @@ static void draw_nodespace_back_tex(ScrArea *sa, SpaceNode *snode)
                        
                        glaDefine2DArea(&sa->winrct);
 
-                       if(ibuf->x > sa->winx || ibuf->y > sa->winy) {
+                       if (ibuf->x > sa->winx || ibuf->y > sa->winy) {
                                float zoomx, zoomy;
                                zoomx= (float)sa->winx/ibuf->x;
                                zoomy= (float)sa->winy/ibuf->y;
@@ -2434,9 +2439,9 @@ static void draw_nodespace_back_tex(ScrArea *sa, SpaceNode *snode)
                        glPixelZoom(zoom, zoom);
 
                        glColor4f(1.0, 1.0, 1.0, 1.0);
-                       if(ibuf->rect)
+                       if (ibuf->rect)
                                glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, GL_UNSIGNED_BYTE, ibuf->rect);
-                       else if(ibuf->channels==4)
+                       else if (ibuf->channels==4)
                                glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, GL_FLOAT, ibuf->rect_float);
 
                        glPixelZoom(1.0, 1.0);
@@ -2456,21 +2461,21 @@ int node_link_bezier_points(View2D *v2d, SpaceNode *snode, bNodeLink *link, floa
        float dist, vec[4][2];
        
        /* in v0 and v3 we put begin/end points */
-       if(link->fromsock) {
+       if (link->fromsock) {
                vec[0][0]= link->fromsock->locx;
                vec[0][1]= link->fromsock->locy;
        }
        else {
-               if(snode==NULL) return 0;
+               if (snode==NULL) return 0;
                vec[0][0]= snode->mx;
                vec[0][1]= snode->my;
        }
-       if(link->tosock) {
+       if (link->tosock) {
                vec[3][0]= link->tosock->locx;
                vec[3][1]= link->tosock->locy;
        }
        else {
-               if(snode==NULL) return 0;
+               if (snode==NULL) return 0;
                vec[3][0]= snode->mx;
                vec[3][1]= snode->my;
        }
@@ -2484,7 +2489,7 @@ int node_link_bezier_points(View2D *v2d, SpaceNode *snode, bNodeLink *link, floa
        vec[2][0]= vec[3][0]-dist;
        vec[2][1]= vec[3][1];
        
-       if(v2d && MIN4(vec[0][0], vec[1][0], vec[2][0], vec[3][0]) > v2d->cur.xmax); /* clipped */      
+       if (v2d && MIN4(vec[0][0], vec[1][0], vec[2][0], vec[3][0]) > v2d->cur.xmax); /* clipped */
        else if (v2d && MAX4(vec[0][0], vec[1][0], vec[2][0], vec[3][0]) < v2d->cur.xmin); /* clipped */
        else {
                
@@ -2502,7 +2507,7 @@ void node_draw_link_bezier(View2D *v2d, SpaceNode *snode, bNodeLink *link, int t
 {
        float coord_array[LINK_RESOL+1][2];
        
-       if(node_link_bezier_points(v2d, snode, link, coord_array, LINK_RESOL)) {
+       if (node_link_bezier_points(v2d, snode, link, coord_array, LINK_RESOL)) {
                float dist, spline_step = 0.0f;
                int i;
                
@@ -2515,12 +2520,12 @@ void node_draw_link_bezier(View2D *v2d, SpaceNode *snode, bNodeLink *link, int t
                
                glEnable(GL_LINE_SMOOTH);
                
-               if(do_triple) {
+               if (do_triple) {
                        UI_ThemeColorShadeAlpha(th_col3, -80, -120);
                        glLineWidth(4.0f);
                        
                        glBegin(GL_LINE_STRIP);
-                       for(i=0; i<=LINK_RESOL; i++) {
+                       for (i=0; i<=LINK_RESOL; i++) {
                                glVertex2fv(coord_array[i]);
                        }
                        glEnd();
@@ -2531,9 +2536,9 @@ void node_draw_link_bezier(View2D *v2d, SpaceNode *snode, bNodeLink *link, int t
                 * changing color in begin/end blocks.
                 */
                glLineWidth(1.5f);
-               if(do_shaded) {
+               if (do_shaded) {
                        glBegin(GL_LINES);
-                       for(i=0; i<LINK_RESOL; i++) {
+                       for (i=0; i<LINK_RESOL; i++) {
                                UI_ThemeColorBlend(th_col1, th_col2, spline_step);
                                glVertex2fv(coord_array[i]);
                                
@@ -2547,7 +2552,7 @@ void node_draw_link_bezier(View2D *v2d, SpaceNode *snode, bNodeLink *link, int t
                else {
                        UI_ThemeColor(th_col1);
                        glBegin(GL_LINE_STRIP);
-                       for(i=0; i<=LINK_RESOL; i++) {
+                       for (i=0; i<=LINK_RESOL; i++) {
                                glVertex2fv(coord_array[i]);
                        }
                        glEnd();
@@ -2562,21 +2567,21 @@ void node_draw_link_bezier(View2D *v2d, SpaceNode *snode, bNodeLink *link, int t
 
 static void node_link_straight_points(View2D *UNUSED(v2d), SpaceNode *snode, bNodeLink *link, float coord_array[][2])
 {
-       if(link->fromsock) {
+       if (link->fromsock) {
                coord_array[0][0]= link->fromsock->locx;
                coord_array[0][1]= link->fromsock->locy;
        }
        else {
-               if(snode==NULL) return;
+               if (snode==NULL) return;
                coord_array[0][0]= snode->mx;
                coord_array[0][1]= snode->my;
        }
-       if(link->tosock) {
+       if (link->tosock) {
                coord_array[1][0]= link->tosock->locx;
                coord_array[1][1]= link->tosock->locy;
        }
        else {
-               if(snode==NULL) return;
+               if (snode==NULL) return;
                coord_array[1][0]= snode->mx;
                coord_array[1][1]= snode->my;
        }
@@ -2595,7 +2600,7 @@ void node_draw_link_straight(View2D *v2d, SpaceNode *snode, bNodeLink *link, int
        
        glEnable(GL_LINE_SMOOTH);
        
-       if(do_triple) {
+       if (do_triple) {
                UI_ThemeColorShadeAlpha(th_col3, -80, -120);
                glLineWidth(4.0f);
                
@@ -2612,7 +2617,7 @@ void node_draw_link_straight(View2D *v2d, SpaceNode *snode, bNodeLink *link, int
         * for Intel hardware, this breaks with GL_LINE_STRIP and
         * changing color in begin/end blocks.
         */
-       if(do_shaded) {
+       if (do_shaded) {
                glBegin(GL_LINES);
                for (i=0; i < LINK_RESOL-1; ++i) {
                        float t= (float)i/(float)(LINK_RESOL-1);
@@ -2646,38 +2651,38 @@ void node_draw_link(View2D *v2d, SpaceNode *snode, bNodeLink *link)
        int do_shaded= 0, th_col1= TH_HEADER, th_col2= TH_HEADER;
        int do_triple= 0, th_col3= TH_WIRE;
        
-       if(link->fromsock==NULL && link->tosock==NULL)
+       if (link->fromsock==NULL && link->tosock==NULL)
                return;
        
        /* new connection */
-       if(!link->fromsock || !link->tosock) {
+       if (!link->fromsock || !link->tosock) {
                th_col1 = TH_ACTIVE;
                do_triple = 1;
        }
        else {
                /* going to give issues once... */
-               if(link->tosock->flag & SOCK_UNAVAIL)
+               if (link->tosock->flag & SOCK_UNAVAIL)
                        return;
-               if(link->fromsock->flag & SOCK_UNAVAIL)
+               if (link->fromsock->flag & SOCK_UNAVAIL)
                        return;
                
                /* a bit ugly... but thats how we detect the internal group links */
-               if(!link->fromnode || !link->tonode) {
+               if (!link->fromnode || !link->tonode) {
                        UI_ThemeColorBlend(TH_BACK, TH_WIRE, 0.5f);
                        do_shaded= 0;
                }
                else {
                        /* check cyclic */
-                       if((link->fromnode->level >= link->tonode->level && link->tonode->level!=0xFFF) && (link->flag & NODE_LINK_VALID)) {
+                       if ((link->fromnode->level >= link->tonode->level && link->tonode->level!=0xFFF) && (link->flag & NODE_LINK_VALID)) {
                                /* special indicated link, on drop-node */
-                               if(link->flag & NODE_LINKFLAG_HILITE) {
+                               if (link->flag & NODE_LINKFLAG_HILITE) {
                                        th_col1= th_col2= TH_ACTIVE;
                                }
                                else {
                                        /* regular link */
-                                       if(link->fromnode->flag & SELECT)
+                                       if (link->fromnode->flag & SELECT)
                                                th_col1= TH_EDGE_SELECT;
-                                       if(link->tonode->flag & SELECT)
+                                       if (link->tonode->flag & SELECT)
                                                th_col2= TH_EDGE_SELECT;
                                }
                                do_shaded= 1;