void draw_player( object * obj )
{
vms_vector arrow_pos, head_pos;
g3s_point sphere_point, arrow_point, head_point;
// Draw Console player -- shaped like a ellipse with an arrow.
g3_rotate_point(&sphere_point,&obj->pos);
g3_draw_sphere(&sphere_point,obj->size);
// Draw shaft of arrow
vm_vec_scale_add( &arrow_pos, &obj->pos, &obj->orient.fvec, obj->size*3 );
g3_rotate_point(&arrow_point,&arrow_pos);
g3_draw_line( &sphere_point, &arrow_point );
// Draw right head of arrow
vm_vec_scale_add( &head_pos, &obj->pos, &obj->orient.fvec, obj->size*2 );
vm_vec_scale_add2( &head_pos, &obj->orient.rvec, obj->size*1 );
g3_rotate_point(&head_point,&head_pos);
g3_draw_line( &arrow_point, &head_point );
// Draw left head of arrow
vm_vec_scale_add( &head_pos, &obj->pos, &obj->orient.fvec, obj->size*2 );
vm_vec_scale_add2( &head_pos, &obj->orient.rvec, obj->size*(-1) );
g3_rotate_point(&head_point,&head_pos);
g3_draw_line( &arrow_point, &head_point );
// Draw player's up vector
vm_vec_scale_add( &arrow_pos, &obj->pos, &obj->orient.uvec, obj->size*2 );
g3_rotate_point(&arrow_point,&arrow_pos);
g3_draw_line( &sphere_point, &arrow_point );
}
// render a bezier
void herm_spline::herm_render(int divs, color *clc)
{
int idx;
int s_idx;
float inc = 1.0f / (float)divs;
vertex a, b, c;
vec3d pt, d_pt;
// draw in red
gr_set_color_fast(clc);
// render each section
for(idx=0; idx<num_pts-1; idx++){
// render this piece
herm_get_point(&pt, 0.0f, idx);
g3_rotate_vertex(&a, &pt);
// draw the deriv
herm_get_deriv(&d_pt, 0.0f, idx);
vm_vec_add2(&d_pt, &pt);
g3_rotate_vertex(&c, &d_pt);
g3_draw_line(&a, &c);
for(s_idx=1; s_idx<divs * 2; s_idx++){
// second point
herm_get_point(&pt, (float)s_idx * inc, idx);
// 2nd point on the line
g3_rotate_vertex(&b, &pt);
// draw the line
g3_draw_line(&a, &b);
// draw the deriv line
herm_get_deriv(&d_pt, (float)s_idx * inc, idx);
vm_vec_add2(&d_pt, &pt);
g3_rotate_vertex(&c, &d_pt);
g3_draw_line(&b, &c);
// store b
a = b;
}
}
// draw the control points
gr_set_color_fast(&Color_bright_green);
for(idx=0; idx<num_pts; idx++){
g3_draw_sphere_ez(&pts[idx], 0.75f);
}
}
void HudGaugeRadarOrb::drawOutlines()
{
int i;
vertex center;
// vertex extents[6];
vertex proj_orb_lines_xy[NUM_ORB_RING_SLICES];
vertex proj_orb_lines_xz[NUM_ORB_RING_SLICES];
vertex proj_orb_lines_yz[NUM_ORB_RING_SLICES];
g3_start_instance_matrix(&vmd_zero_vector, &view_perturb, false);
g3_start_instance_matrix(&vmd_zero_vector, &Player_obj->orient, false);
g3_rotate_vertex(¢er, &vmd_zero_vector);
g3_rotate_vertex(&proj_orb_lines_xy[0], &orb_ring_xy[0]);
g3_rotate_vertex(&proj_orb_lines_yz[0], &orb_ring_yz[0]);
g3_rotate_vertex(&proj_orb_lines_xz[0], &orb_ring_xz[0]);
g3_project_vertex(¢er);
gr_set_color(255,255,255);
g3_draw_sphere(¢er, .05f);
g3_project_vertex(&proj_orb_lines_xy[0]);
g3_project_vertex(&proj_orb_lines_yz[0]);
g3_project_vertex(&proj_orb_lines_xz[0]);
for (i=1; i < NUM_ORB_RING_SLICES; i++)
{
g3_rotate_vertex(&proj_orb_lines_xy[i], &orb_ring_xy[i]);
g3_rotate_vertex(&proj_orb_lines_yz[i], &orb_ring_yz[i]);
g3_rotate_vertex(&proj_orb_lines_xz[i], &orb_ring_xz[i]);
g3_project_vertex(&proj_orb_lines_xy[i]);
g3_project_vertex(&proj_orb_lines_yz[i]);
g3_project_vertex(&proj_orb_lines_xz[i]);
gr_set_color(192,96,32);
g3_draw_sphere(&proj_orb_lines_xy[i-1], .01f);
g3_draw_sphere(&proj_orb_lines_xz[i-1], .01f);
g3_draw_line(&proj_orb_lines_xy[i-1],&proj_orb_lines_xy[i]);
g3_draw_line(&proj_orb_lines_xz[i-1],&proj_orb_lines_xz[i]);
gr_set_color(112,16,192);
g3_draw_sphere(&proj_orb_lines_yz[i-1], .01f);
g3_draw_line(&proj_orb_lines_yz[i-1],&proj_orb_lines_yz[i]);
}
g3_done_instance(false);
}
//deal with a clipped line
bool must_clip_line(g3s_point *p0,g3s_point *p1,ubyte codes_or)
{
bool ret;
if ((p0->p3_flags&PF_TEMP_POINT) || (p1->p3_flags&PF_TEMP_POINT))
ret = 0; //line has already been clipped, so give up
else {
clip_line(&p0,&p1,codes_or);
ret = g3_draw_line(p0,p1);
}
//free temp points
if (p0->p3_flags & PF_TEMP_POINT)
free_temp_point(p0);
if (p1->p3_flags & PF_TEMP_POINT)
free_temp_point(p1);
return ret;
}
void HudGaugeRadarOrb::drawContact(vec3d *pnt, int rad)
{
vertex verts[2];
vec3d p;
p=*pnt;
vm_vec_normalize(&p);
g3_rotate_vertex(&verts[0], &p);
g3_project_vertex(&verts[0]);
g3_rotate_vertex(&verts[1], pnt);
g3_project_vertex(&verts[1]);
float size = fl_sqrt(vm_vec_dist(&Orb_eye_position, pnt) * 8.0f);
if (size < i2fl(rad)) size = i2fl(rad);
if (rad == Radar_blip_radius_target)
{
g3_draw_sphere(&verts[1],size/100.0f);
}
else
{
g3_draw_sphere(&verts[1],size/300.0f);
}
g3_draw_line(&verts[0],&verts[1]);
}
// Rotate and project points and draw a line.
void rpd_line(vector *v0, vector *v1)
{
vertex tv0, tv1;
g3_rotate_vertex(&tv0, v0);
g3_rotate_vertex(&tv1, v1);
g3_draw_line(&tv0, &tv1);
}
// render a bezier
void bez_spline::bez_render(int divs, color *c)
{
float inc;
int idx;
vertex a, b;
vec3d pt;
// bleh
if(divs <= 0){
return;
}
inc = 1.0f / (float)divs;
// draw in red
gr_set_color_fast(c);
// draw that many divisions
bez_get_point(&pt, 0.0f);
g3_rotate_vertex(&a, &pt);
for(idx=1; idx<=divs; idx++){
// second point
bez_get_point(&pt, (float)idx * inc);
g3_rotate_vertex(&b, &pt);
// draw the line
g3_draw_line(&a, &b);
// store b
a = b;
}
// draw the control points
gr_set_color_fast(&Color_bright_green);
for(idx=0; idx<num_pts; idx++){
g3_draw_sphere_ez(&pts[idx], 0.75f);
}
}
void draw_line(int pnum0,int pnum1)
{
g3_draw_line(&Segment_points[pnum0],&Segment_points[pnum1]);
}
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 );
}
}
void ship_draw_shield( object *objp)
{
int model_num;
int i;
vec3d pnt;
polymodel * pm;
if (objp->flags & OF_NO_SHIELDS)
return;
Assert(objp->instance >= 0);
model_num = Ship_info[Ships[objp->instance].ship_info_index].model_num;
if ( Fred_running ) return;
pm = model_get(model_num);
if (pm->shield.ntris<1) return;
// Scan all the triangles in the mesh.
for (i=0; i<pm->shield.ntris; i++ ) {
int j;
vec3d gnorm, v2f, tri_point;
vertex prev_pnt, pnt0;
shield_tri *tri;
tri = &pm->shield.tris[i];
if (i == Break_value)
Int3();
// Hack! Only works for object in identity orientation.
// Need to rotate eye position into object's reference frame.
// Only draw facing triangles.
vm_vec_rotate(&tri_point, &pm->shield.verts[tri->verts[0]].pos, &Eye_matrix);
vm_vec_add2(&tri_point, &objp->pos);
vm_vec_sub(&v2f, &tri_point, &Eye_position);
vm_vec_unrotate(&gnorm, &tri->norm, &objp->orient);
if (vm_vec_dot(&gnorm, &v2f) < 0.0f) {
int intensity;
intensity = (int) (Ships[objp->instance].shield_integrity[i] * 255);
if (intensity < 0)
intensity = 0;
else if (intensity > 255)
intensity = 255;
gr_set_color(0, 0, intensity);
// Process the vertices.
// Note this rotates each vertex each time it's needed, very dumb.
for (j=0; j<3; j++ ) {
vertex tmp;
// Rotate point into world coordinates
vm_vec_unrotate(&pnt, &pm->shield.verts[tri->verts[j]].pos, &objp->orient);
vm_vec_add2(&pnt, &objp->pos);
// Pnt is now the x,y,z world coordinates of this vert.
// For this example, I am just drawing a sphere at that
// point.
g3_rotate_vertex(&tmp, &pnt);
if (j)
g3_draw_line(&prev_pnt, &tmp);
else
pnt0 = tmp;
prev_pnt = tmp;
}
g3_draw_line(&pnt0, &prev_pnt);
}
}
}
