// ----------------------------------------------------------------------------
void draw_segment(segment *seg)
{
short *svp;
int nv;
g3s_codes cc;
if (seg->segnum == -1) //this segment doesn't exitst
return;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) { //all off screen?
int i;
for (i=0;i<4;i++) draw_line(svp[i],svp[i+4]);
for (i=0;i<3;i++) {
draw_line(svp[i] ,svp[i+1]);
draw_line(svp[i+4],svp[i+4+1]);
}
draw_line(svp[0],svp[3]);
draw_line(svp[0+4],svp[3+4]);
}
}
static void jffs2_rotate_lists(struct jffs2_sb_info *c)
{
uint32_t x;
x = count_list(&c->clean_list);
if (x)
rotate_list((&c->clean_list), pseudo_random % x);
x = count_list(&c->dirty_list);
if (x)
rotate_list((&c->dirty_list), pseudo_random % x);
if (c->nr_erasing_blocks)
rotate_list((&c->erase_pending_list), pseudo_random % c->nr_erasing_blocks);
if (c->nr_free_blocks) /* Not that it should ever be zero */
rotate_list((&c->free_list), pseudo_random % c->nr_free_blocks);
}
void draw_side_edge(segment *seg,int side,int edge)
{
short *svp;
int nv;
g3s_codes cc;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) //on screen?
draw_line(svp[Side_to_verts[side][edge]],svp[Side_to_verts[side][(edge+1)%4]]);
}
static void put_max_in_last_pos(t_opt *opt)
{
int nbr_elem;
int max;
int pos;
nbr_elem = get_nbr_elem(opt->a_heap_save);
max = get_max(opt->a_heap_save, &pos);
while ((*opt->a_heap_save)->nbr != max)
choose_rx_rrx(opt->a_heap_save, nbr_elem, opt, 'a');
rotate_list(opt->a_heap_save);
print_ft("ra", opt);
}
int main(int argc, char* argv[]){
if (argc < 2)
K = 2;
else
K = atoi(argv[1]);
struct node *list = (struct node*)malloc(sizeof(struct node));
int arr[] = {1, 2, 3, 4, 5, 6};
fill_list(list, arr, 6);
PRINT_LIST(list);
rotate_list(&list);
PRINT_LIST(list);
exit(0);
}
/*
* @brief Driver function
*/
int main(int argc, char *argv[])
{
node *head = NULL;
/* Populate the list */
for (int i = 0; i < LEN; i++)
head = add_node(head, i + 1);
/* Print the state of the list before rearrangement */
print_list(head);
/* Perform rotation on the list by K places */
head = rotate_list(head, K);
/* Print the state of the list afterwards */
print_list(head);
return 0;
}
void jffs2_rotate_lists(struct jffs2_sb_info *c)
{
uint32_t x;
uint32_t rotateby;
x = count_list(&c->clean_list);
if (x) {
rotateby = pseudo_random % x;
D1(printk(KERN_DEBUG "Rotating clean_list by %d\n", rotateby));
rotate_list((&c->clean_list), rotateby);
D1(printk(KERN_DEBUG "Erase block at front of clean_list is at %08x\n",
list_entry(c->clean_list.next, struct jffs2_eraseblock, list)->offset));
} else {
// ----------------------------------------------------------------------------
void draw_trigger_side(segment *seg,int side)
{
short *svp;
int nv;
g3s_codes cc;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) { //all off screen?
// Draw diagonals
draw_line(svp[Side_to_verts[side][0]],svp[Side_to_verts[side][2]]);
//g3_draw_line(svp[Side_to_verts[side][1]],svp[Side_to_verts[side][3]]);
}
}
// ----------------------------------------------------------------------------
void draw_seg_side(segment *seg,int side)
{
short *svp;
int nv;
g3s_codes cc;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) { //all off screen?
int i;
for (i=0;i<3;i++)
draw_line(svp[Side_to_verts[side][i]],svp[Side_to_verts[side][i+1]]);
draw_line(svp[Side_to_verts[side][i]],svp[Side_to_verts[side][0]]);
}
}
static void push_step_to_b(t_opt *opt, int nbr_elem_lst, int i)
{
int count;
count = nbr_elem_lst - opt->step * (i - 1);
while (count)
{
if ((*opt->a_heap_save)->nbr >= opt->split)
{
push_src_to_dst(opt->a_heap_save, opt->b_heap_save);
print_ft("pb", opt);
}
else
{
rotate_list(opt->a_heap_save);
print_ft("ra", opt);
}
--count;
}
}
static void sort_step(t_heap **a_heap, t_heap **b_heap, t_opt *opt)
{
int nbr_elem;
int max;
int n;
while ((nbr_elem = get_nbr_elem(b_heap)))
{
opt->pos = choice_min_or_max(b_heap, nbr_elem, &n, &max);
while ((*b_heap)->nbr != n)
choose_rx_rrx(b_heap, nbr_elem, opt, 'b');
push_src_to_dst(b_heap, a_heap);
print_ft("pa", opt);
if (n != max)
{
rotate_list(a_heap);
print_ft("ra", opt);
}
}
}
void swap_two_first_elem(t_heap **list)
{
t_heap *tmp;
if (*list && *list != (*list)->next)
{
if (*list == (*list)->next->next)
rotate_list(list);
else
{
tmp = *list;
*list = (*list)->next;
tmp->next = (*list)->next;
tmp->next->prev = tmp;
(*list)->next = tmp;
(*list)->prev = tmp->prev;
tmp->prev->next = *list;
tmp->prev = *list;
}
}
}
//for looking for segment under a mouse click
void check_segment(segment *seg)
{
short *svp;
int nv;
g3s_codes cc;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) { //all off screen?
int fn;
gr_setcolor(0);
gr_pixel(Search_x,Search_y); //set our search pixel to color zero
gr_setcolor(1); //and render in color one
for (fn=0;fn<6;fn++) {
g3s_point *vert_list[4];
vert_list[0] = &Segment_points[seg->verts[Side_to_verts[fn][0]]];
vert_list[1] = &Segment_points[seg->verts[Side_to_verts[fn][1]]];
vert_list[2] = &Segment_points[seg->verts[Side_to_verts[fn][2]]];
g3_check_and_draw_poly(3,vert_list,NULL,NULL);
vert_list[1] = &Segment_points[seg->verts[Side_to_verts[fn][2]]];
vert_list[2] = &Segment_points[seg->verts[Side_to_verts[fn][3]]];
g3_check_and_draw_poly(3,vert_list,NULL,NULL);
}
if (gr_ugpixel(&grd_curcanv->cv_bitmap,Search_x,Search_y) == 1)
{
if (N_found_segs < MAX_FOUND_SEGS)
Found_segs[N_found_segs++] = SEG_PTR_2_NUM(seg);
else
Warning("Found too many segs! (limit=%d)",MAX_FOUND_SEGS);
}
}
}
void jffs2_rotate_lists(struct jffs2_sb_info *c)
{
uint32_t x;
uint32_t rotateby;
x = count_list(&c->clean_list);
if (x) {
rotateby = pseudo_random % x;
rotate_list((&c->clean_list), rotateby);
}
x = count_list(&c->very_dirty_list);
if (x) {
rotateby = pseudo_random % x;
rotate_list((&c->very_dirty_list), rotateby);
}
x = count_list(&c->dirty_list);
if (x) {
rotateby = pseudo_random % x;
rotate_list((&c->dirty_list), rotateby);
}
x = count_list(&c->erasable_list);
if (x) {
rotateby = pseudo_random % x;
rotate_list((&c->erasable_list), rotateby);
}
if (c->nr_erasing_blocks) {
rotateby = pseudo_random % c->nr_erasing_blocks;
rotate_list((&c->erase_pending_list), rotateby);
}
if (c->nr_free_blocks) {
rotateby = pseudo_random % c->nr_free_blocks;
rotate_list((&c->free_list), rotateby);
}
}
// -----------------------------------------------------------------------------
void draw_coordinate_axes(void)
{
int i;
short Axes_verts[16];
vms_vector tvec,xvec,yvec,zvec;
for (i=0; i<16; i++)
Axes_verts[i] = alloc_vert();
create_coordinate_axes_from_segment(Cursegp,Axes_verts);
vm_vec_sub(&xvec,&Vertices[Axes_verts[1]],&Vertices[Axes_verts[0]]);
vm_vec_sub(&yvec,&Vertices[Axes_verts[2]],&Vertices[Axes_verts[0]]);
vm_vec_sub(&zvec,&Vertices[Axes_verts[3]],&Vertices[Axes_verts[0]]);
// Create the letter X
tvec = xvec;
vm_vec_add(&Vertices[Axes_verts[4]],&Vertices[Axes_verts[1]],vm_vec_scale(&tvec,F1_0/16));
tvec = yvec;
vm_vec_add2(&Vertices[Axes_verts[4]],vm_vec_scale(&tvec,F1_0/8));
vm_vec_sub(&Vertices[Axes_verts[6]],&Vertices[Axes_verts[4]],vm_vec_scale(&tvec,F2_0));
tvec = xvec; vm_vec_scale(&tvec,F1_0/8);
vm_vec_add(&Vertices[Axes_verts[7]],&Vertices[Axes_verts[4]],&tvec);
vm_vec_add(&Vertices[Axes_verts[5]],&Vertices[Axes_verts[6]],&tvec);
// Create the letter Y
tvec = yvec;
vm_vec_add(&Vertices[Axes_verts[11]],&Vertices[Axes_verts[2]],vm_vec_scale(&tvec,F1_0/16));
vm_vec_add(&Vertices[Axes_verts[8]],&Vertices[Axes_verts[11]],&tvec);
vm_vec_add(&Vertices[Axes_verts[9]],&Vertices[Axes_verts[11]],vm_vec_scale(&tvec,F1_0*2));
vm_vec_add(&Vertices[Axes_verts[10]],&Vertices[Axes_verts[11]],&tvec);
tvec = xvec; vm_vec_scale(&tvec,F1_0/16);
vm_vec_sub2(&Vertices[Axes_verts[9]],&tvec);
vm_vec_add2(&Vertices[Axes_verts[10]],&tvec);
// Create the letter Z
tvec = zvec;
vm_vec_add(&Vertices[Axes_verts[12]],&Vertices[Axes_verts[3]],vm_vec_scale(&tvec,F1_0/16));
tvec = yvec;
vm_vec_add2(&Vertices[Axes_verts[12]],vm_vec_scale(&tvec,F1_0/8));
vm_vec_sub(&Vertices[Axes_verts[14]],&Vertices[Axes_verts[12]],vm_vec_scale(&tvec,F2_0));
tvec = zvec; vm_vec_scale(&tvec,F1_0/8);
vm_vec_add(&Vertices[Axes_verts[13]],&Vertices[Axes_verts[12]],&tvec);
vm_vec_add(&Vertices[Axes_verts[15]],&Vertices[Axes_verts[14]],&tvec);
rotate_list(16,Axes_verts);
gr_setcolor(AXIS_COLOR);
draw_line(Axes_verts[0],Axes_verts[1]);
draw_line(Axes_verts[0],Axes_verts[2]);
draw_line(Axes_verts[0],Axes_verts[3]);
// draw the letter X
draw_line(Axes_verts[4],Axes_verts[5]);
draw_line(Axes_verts[6],Axes_verts[7]);
// draw the letter Y
draw_line(Axes_verts[8],Axes_verts[9]);
draw_line(Axes_verts[8],Axes_verts[10]);
draw_line(Axes_verts[8],Axes_verts[11]);
// draw the letter Z
draw_line(Axes_verts[12],Axes_verts[13]);
draw_line(Axes_verts[13],Axes_verts[14]);
draw_line(Axes_verts[14],Axes_verts[15]);
for (i=0; i<16; i++)
free_vert(Axes_verts[i]);
}
//adds a segment's edges to the edge list
void add_edges(segment *seg)
{
short *svp;
int nv;
g3s_codes cc;
med_get_vertex_list(seg,&nv,&svp); // set nv = number of vertices, svp = pointer to vertex indices
cc=rotate_list(nv,svp);
if (! cc.and) { //all off screen?
int i,sn,fn,vn;
int flag;
ubyte edge_flags[N_EDGES_PER_SEGMENT];
for (i=0;i<N_NORMAL_EDGES;i++) edge_flags[i]=ET_NOTUSED;
for (;i<N_EDGES_PER_SEGMENT;i++) edge_flags[i]=ET_NOTEXTANT;
for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++) {
side *sidep = &seg->sides[sn];
int num_faces, num_vertices;
int vertex_list[6];
create_all_vertex_lists(&num_faces, vertex_list, seg-Segments, sn);
if (num_faces == 1)
num_vertices = 4;
else
num_vertices = 3;
for (fn=0; fn<num_faces; fn++) {
int en;
int *v0;
//Note: normal check appears to be the wrong way since the normals points in, but we're looking from the outside
if (g3_check_normal_facing(&Vertices[seg->verts[vertex_list[fn*3]]],&sidep->normals[fn]))
flag = ET_NOTFACING;
else
flag = ET_FACING;
v0 = &vertex_list[fn*3];
for (vn=0; vn<num_vertices-1; vn++) {
// en = find_edge_num(vertex_list[fn*3 + vn], vertex_list[fn*3 + (vn+1)%num_vertices]);
en = find_edge_num(*v0, *(v0+1));
if (en!=-1)
if (flag < edge_flags[en]) edge_flags[en] = flag;
v0++;
}
en = find_edge_num(*v0, vertex_list[fn*3]);
if (en!=-1)
if (flag < edge_flags[en]) edge_flags[en] = flag;
}
}
for (i=0; i<N_EDGES_PER_SEGMENT; i++)
if (i<N_NORMAL_EDGES || (edge_flags[i]!=ET_NOTEXTANT && Show_triangulations))
add_edge(seg->verts[edges[i]/8],seg->verts[edges[i]&7],edge_flags[i]);
}
}
/*-------------------------------------
* Node Parenting
-------------------------------------*/
bool SceneGraph::reparent_node(const unsigned nodeIndex, const unsigned newParentId) noexcept {
if (nodeIndex == scene_property_t::SCENE_GRAPH_ROOT_ID) {
return false;
}
if (node_is_child(newParentId, nodeIndex)) {
LS_LOG_MSG("Cannot make a node ", nodeIndex, " a parent of its ancestor ", newParentId, '.');
return false;
}
LS_DEBUG_ASSERT(nodeIndex < nodes.size());
const unsigned numChildren = get_num_total_children(nodeIndex);
const unsigned displacement = 1 + numChildren;
const unsigned numNewSiblings = get_num_total_children(newParentId);
const unsigned newNodeIndex = 1 + newParentId + numNewSiblings;
// Keep track of the range of elements which need to be updated.
const unsigned effectStart = math::min(nodeIndex, newNodeIndex);
const unsigned effectEnd = math::max(newNodeIndex, nodeIndex+displacement);
// Sentinel to help determine not to modify the node at 'nodeIndex'
const bool movingUp = nodeIndex < newParentId;
/*
LS_LOG_MSG(
"Re-parenting node ", nodeIndex, " from ", currentTransforms[nodeIndex].parentId, " to ", newParentId,
".\nRotating ", displacement, " indices from ", nodeIndex, " to ", newNodeIndex,
" and updating node indices between ", effectStart, '-', effectEnd
);
*/
rotate_list(nodes, nodeIndex, displacement, newNodeIndex);
rotate_list(baseTransforms, nodeIndex, displacement, newNodeIndex);
rotate_list(currentTransforms, nodeIndex, displacement, newNodeIndex);
rotate_list(modelMatrices, nodeIndex, displacement, newNodeIndex);
for (unsigned i = effectStart; i < effectEnd; ++i) {
unsigned& rParentId = currentTransforms[i].parentId;
const unsigned pId = rParentId;
const unsigned nId = nodes[i].nodeId;
nodes[i].nodeId = i;
// Update the requested node's index
if (nId == nodeIndex) {
rParentId = movingUp ? (newParentId-displacement) : newParentId;
currentTransforms[i].set_dirty();
continue;
}
// Determine if there's a node which even needs its parent ID updated.
if (pId == scene_property_t::SCENE_GRAPH_ROOT_ID || pId < effectStart) {
continue;
}
const unsigned parentDelta = nId - pId;
//LS_LOG_MSG("\t\tMoving ", i, "'s (", nId, ") parent ID by ", parentDelta, " from ", pId, " to ", i-parentDelta);
rParentId = i - parentDelta;
currentTransforms[i].set_dirty();
}
/*
std::cout << "To this:";
std::cout << "\n\t"; print_list(nodes);
std::cout << "\t"; print_list(currentTransforms);
*/
// Animations need love too
static_assert(sizeof(unsigned) == sizeof(uint32_t), "Cannot update indices of differing types.");
for (Animation& anim : animations) {
for (uint32_t& oldId : anim.transformIds) {
const uint32_t newId = nodes[oldId].nodeId;
const uint32_t nodeDelta = math::max(oldId, newId) - math::min(oldId, newId);
oldId = (newId >= oldId) ? (oldId+nodeDelta) : (oldId-nodeDelta);
}
}
//LS_LOG_MSG("\tDone.");
LS_DEBUG_ASSERT(newNodeIndex <= nodes.size());
return true;
}
void draw_all_edges(automap *am)
{
g3s_codes cc;
int i,j,nbright;
ubyte nfacing,nnfacing;
Edge_info *e;
vms_vector *tv1;
fix distance;
fix min_distance = 0x7fffffff;
g3s_point *p1, *p2;
nbright=0;
for (i=0; i<=am->highest_edge_index; i++ ) {
//e = &am->edges[Edge_used_list[i]];
e = &am->edges[i];
if (!(e->flags & EF_USED)) continue;
if ( e->flags & EF_TOO_FAR) continue;
if (e->flags&EF_FRONTIER) { // A line that is between what we have seen and what we haven't
if ( (!(e->flags&EF_SECRET))&&(e->color==am->wall_normal_color))
continue; // If a line isn't secret and is normal color, then don't draw it
}
cc=rotate_list(2,e->verts);
distance = Segment_points[e->verts[1]].p3_z;
if (min_distance>distance )
min_distance = distance;
if (!cc.uand) { //all off screen?
nfacing = nnfacing = 0;
tv1 = &Vertices[e->verts[0]];
j = 0;
while( j<e->num_faces && (nfacing==0 || nnfacing==0) ) {
#ifdef COMPACT_SEGS
vms_vector temp_v;
get_side_normal(&Segments[e->segnum[j]], e->sides[j], 0, &temp_v );
if (!g3_check_normal_facing( tv1, &temp_v ) )
#else
if (!g3_check_normal_facing( tv1, &Segments[e->segnum[j]].sides[e->sides[j]].normals[0] ) )
#endif
nfacing++;
else
nnfacing++;
j++;
}
if ( nfacing && nnfacing ) {
// a contour line
am->drawingListBright[nbright++] = e-am->edges;
} else if ( e->flags&(EF_DEFINING|EF_GRATE) ) {
if ( nfacing == 0 ) {
if ( e->flags & EF_NO_FADE )
gr_setcolor( e->color );
else
gr_setcolor( gr_fade_table[e->color+256*8] );
g3_draw_line( &Segment_points[e->verts[0]], &Segment_points[e->verts[1]] );
} else {
am->drawingListBright[nbright++] = e-am->edges;
}
}
}
}
if ( min_distance < 0 ) min_distance = 0;
// Sort the bright ones using a shell sort
{
int t;
int i, j, incr, v1, v2;
incr = nbright / 2;
while( incr > 0 ) {
for (i=incr; i<nbright; i++ ) {
j = i - incr;
while (j>=0 ) {
// compare element j and j+incr
v1 = am->edges[am->drawingListBright[j]].verts[0];
v2 = am->edges[am->drawingListBright[j+incr]].verts[0];
if (Segment_points[v1].p3_z < Segment_points[v2].p3_z) {
// If not in correct order, them swap 'em
t=am->drawingListBright[j+incr];
am->drawingListBright[j+incr]=am->drawingListBright[j];
am->drawingListBright[j]=t;
j -= incr;
}
else
break;
}
}
incr = incr / 2;
}
}
// Draw the bright ones
for (i=0; i<nbright; i++ ) {
int color;
fix dist;
e = &am->edges[am->drawingListBright[i]];
p1 = &Segment_points[e->verts[0]];
p2 = &Segment_points[e->verts[1]];
dist = p1->p3_z - min_distance;
// Make distance be 1.0 to 0.0, where 0.0 is 10 segments away;
if ( dist < 0 ) dist=0;
if ( dist >= am->farthest_dist ) continue;
if ( e->flags & EF_NO_FADE ) {
gr_setcolor( e->color );
} else {
dist = F1_0 - fixdiv( dist, am->farthest_dist );
color = f2i( dist*31 );
gr_setcolor( gr_fade_table[e->color+color*256] );
}
g3_draw_line( p1, p2 );
}
}