bool object_watch_restrict(obj_type *obj,obj_type *watch_obj)
{
float ang_y,ang_dif;
bool cwise;
d3pnt spt,ept;
ray_trace_contact_type contact;
// within angle
ang_y=angle_find(obj->pnt.x,obj->pnt.z,watch_obj->pnt.x,watch_obj->pnt.z);
ang_dif=angle_dif(ang_y,angle_add(obj->ang.y,obj->face.ang.y),&cwise);
if (ang_dif>(obj->watch.watch_restrict.ang*0.5f)) return(FALSE);
// is ray tracing on?
if (!obj->watch.watch_restrict.ray_trace) return(TRUE);
// can ray trace from eye to middle
contact.obj.on=FALSE;
contact.proj.on=FALSE;
contact.obj.ignore_idx=-1;
contact.proj.ignore_idx=-1;
contact.origin=poly_ray_trace_origin_object;
spt.x=obj->pnt.x;
spt.y=obj->pnt.y+obj->size.eye_offset;
spt.z=obj->pnt.z;
ept.x=watch_obj->pnt.x;
ept.y=watch_obj->pnt.y-(watch_obj->size.y>>1);
ept.z=watch_obj->pnt.z;
return(!ray_trace_map_by_point(&spt,&ept,&contact));
}
void camera_chase_get_position(d3pnt *pnt,d3ang *ang)
{
int n,xadd,yadd,zadd,radius,div,
cx,cz,cy;
float fang,fx,fy,fz;
d3pnt spt,ept,hpt;
ray_trace_contact_type contact;
matrix_type mat;
obj_type *obj;
weapon_type *weap;
obj=object_find_uid(camera.obj_uid);
// get maximum camera offset
fx=0;
fy=0;
fz=(float)camera.chase_distance;
fang=angle_add(camera.cur_chase_ang.x,-obj->view_ang.x);
matrix_rotate_zyx(&mat,fang,camera.cur_chase_ang.y,camera.cur_chase_ang.z);
matrix_vertex_multiply(&mat,&fx,&fy,&fz);
cx=(int)fx+obj->pnt.x;
cy=(int)fy+obj->pnt.y;
cz=(int)fz+obj->pnt.z;
// get camera movement
div=camera_chase_get_division(abs(cx-obj->pnt.x),abs(cz-obj->pnt.z),abs(cy-obj->pnt.y));
if (div==0) div=1;
xadd=(cx-obj->pnt.x)/div;
yadd=(cy-obj->pnt.y)/div;
zadd=(cz-obj->pnt.z)/div;
// get camera starting position
radius=camera.chase_size;
fx=0;
fy=0;
fz=(float)(radius>>2); // always move camera back to protect against hitting walls in front of player
fang=angle_add(camera.cur_chase_ang.x,(obj->view_ang.x*2));
matrix_rotate_zyx(&mat,fang,camera.cur_chase_ang.y,camera.cur_chase_ang.z);
matrix_vertex_multiply(&mat,&fx,&fy,&fz);
cx=(int)fx+obj->pnt.x;
cz=(int)fz+obj->pnt.z;
cy=(int)fy+(obj->pnt.y-obj->size.y);
// setup contacts
contact.obj.on=TRUE;
contact.obj.ignore_uid=obj->uid;
contact.proj.on=FALSE;
contact.origin=poly_ray_trace_origin_unknown;
// move camera
for (n=0;n!=div;n++) {
// xz movement
spt.x=cx;
spt.y=cy;
spt.z=cz;
ept.x=cx+xadd;
ept.y=cy;
ept.z=cz+zadd;
contact.hit_mode=poly_ray_trace_hit_mode_wall_only;
if (!ray_trace_map_by_point(&spt,&ept,&hpt,&contact)) {
cx+=xadd;
cz+=zadd;
}
// y movement
spt.x=cx;
spt.y=cy;
spt.z=cz;
ept.x=cx;
ept.y=cy+yadd;
ept.z=cz;
contact.hit_mode=poly_ray_trace_hit_mode_floor_only;
if (!ray_trace_map_by_point(&spt,&ept,&hpt,&contact)) cy+=yadd;
}
// new camera position
camera.pnt.x=cx;
camera.pnt.y=cy;
camera.pnt.z=cz;
// return values
memmove(pnt,&camera.pnt,sizeof(d3pnt));
// looking angles
ang->x=(camera.cur_chase_ang.x+camera.ang.x)-obj->view_ang.x;
weap=weapon_find_current(obj);
if (weap!=NULL) ang->x=object_player_look_constrain(obj,weap,ang->x);
ang->y=angle_add(camera.cur_chase_ang.y,camera.ang.y);
ang->z=camera.ang.z;
}
void remote_draw_names_setup(void)
{
int n,x,y,z,dist;
bool hit,has_tag;
d3pnt spt,ept,hpt;
obj_type *obj;
model_type *mdl;
ray_trace_contact_type contact;
if (!net_setup.client.joined) return;
if (!setup.network.show_names) return;
// clear all name draws
obj=server.objs;
for (n=0;n!=server.count.obj;n++) {
obj->draw.remote_name.on=FALSE;
obj++;
}
// remove names behind z or off-screen
// ignore console as it won't matter for projection
gl_3D_view();
gl_3D_rotate(&view.render->camera.pnt,&view.render->camera.ang);
gl_setup_project();
for (n=0;n!=view.render->draw_list.count;n++) {
if (view.render->draw_list.items[n].type!=view_render_type_object) continue;
obj=&server.objs[view.render->draw_list.items[n].idx];
if (!obj->player) continue;
if (obj->hidden) continue;
// get name point
has_tag=FALSE;
mdl=NULL;
if ((obj->draw.uid!=-1) && (obj->draw.on)) mdl=model_find_uid(obj->draw.uid);
if (mdl!=NULL) {
x=obj->pnt.x;
y=obj->pnt.y;
z=obj->pnt.z;
has_tag=model_get_name_position(mdl,&obj->draw.setup,&x,&y,&z);
}
if (!has_tag) {
x=obj->pnt.x;
y=(obj->pnt.y-obj->size.y)-map_enlarge;
z=obj->pnt.z;
}
// translate and rotate point
dist=distance_get(x,y,z,view.render->camera.pnt.x,view.render->camera.pnt.y,view.render->camera.pnt.z);
if (dist>=remote_name_max_distance) continue;
obj->draw.remote_name.pnt.x=x;
obj->draw.remote_name.pnt.y=y;
obj->draw.remote_name.pnt.z=z;
// is it behind the z?
if (!gl_project_in_view_z(x,y,z)) continue;
// project names
gl_project_point(&x,&y,&z);
obj->draw.remote_name.proj_pnt.x=x;
obj->draw.remote_name.proj_pnt.y=y;
obj->draw.remote_name.proj_pnt.z=z;
// calculate the fade
if (dist<remote_name_min_distance) {
obj->draw.remote_name.fade=1.0f;
}
else {
obj->draw.remote_name.fade=1.0f-((float)(dist-remote_name_min_distance)/(float)(remote_name_max_distance-remote_name_min_distance));
}
obj->draw.remote_name.size=hud.font.text_size_medium-(int)((float)(hud.font.text_size_medium*dist)/(float)(remote_name_max_distance-remote_name_min_distance));
if (obj->draw.remote_name.size<10) obj->draw.remote_name.size=10;
obj->draw.remote_name.on=TRUE;
}
// ray trace remote name to camera's eye level
// to check for visibility
ept.x=view.render->camera.pnt.x;
ept.y=view.render->camera.pnt.y;
ept.z=view.render->camera.pnt.z;
contact.obj.on=TRUE;
contact.proj.on=FALSE;
contact.hit_mode=poly_ray_trace_hit_mode_all;
contact.origin=poly_ray_trace_origin_object;
for (n=0;n!=server.count.obj;n++) {
obj=&server.objs[n];
if (!obj->draw.remote_name.on) continue;
spt.x=obj->draw.remote_name.pnt.x;
spt.y=obj->draw.remote_name.pnt.y;
spt.z=obj->draw.remote_name.pnt.z;
contact.obj.ignore_uid=obj->uid;
hit=ray_trace_map_by_point(&spt,&ept,&hpt,&contact);
if (camera.mode==cv_fpp) {
if (hit) {
if (contact.obj.uid!=server.player_obj_uid) {
obj->draw.remote_name.on=FALSE;
continue;
}
}
else {
obj->draw.remote_name.on=FALSE;
continue;
}
}
else {
if (hit) {
obj->draw.remote_name.on=FALSE;
continue;
}
}
}
}
bool halo_draw_setup_cull(iface_halo_type *halo,int obj_idx,d3pnt *pnt,int *p_pixel_sz,float *p_alpha)
{
int pixel_sz,dist,d;
float alpha;
bool hit;
d3pnt ept;
ray_trace_contact_type contact;
// is ray greater than max distance?
dist=distance_get(pnt->x,pnt->y,pnt->z,view.render->camera.pnt.x,view.render->camera.pnt.y,view.render->camera.pnt.z);
if (dist>halo->max_dist) return(FALSE);
// ray trace for visibily
contact.proj.on=FALSE;
contact.origin=poly_ray_trace_origin_halo;
contact.obj.on=!halo->no_clip_object;
if ((halo->no_clip_self) && (obj_idx!=-1)) {
contact.obj.ignore_idx=obj_idx;
}
else {
contact.obj.ignore_idx=-1;
}
ept.x=view.render->camera.pnt.x;
ept.y=view.render->camera.pnt.y;
ept.z=view.render->camera.pnt.z;
hit=ray_trace_map_by_point(pnt,&ept,&contact);
// check hit and ignore hitting the projecting
// player
if (hit) {
if ((contact.poly.mesh_idx!=-1) || (map.camera.camera_mode!=cv_fpp)) return(FALSE);
if (contact.obj.idx!=server.player_obj_idx) return(FALSE);
}
// get size
if (dist>=halo->max_dist) {
pixel_sz=halo->max_size;
alpha=halo->max_alpha;
}
else {
if (dist<=halo->min_dist) {
pixel_sz=halo->min_size;
alpha=halo->min_alpha;
}
else {
dist-=halo->min_dist;
d=halo->max_dist-halo->min_dist;
pixel_sz=halo->max_size-halo->min_size;
alpha=halo->max_alpha-halo->min_alpha;
pixel_sz=((pixel_sz*dist)/d)+halo->min_size;
alpha=((alpha*(float)dist)/(float)d)+halo->min_alpha;
}
}
*p_pixel_sz=pixel_sz;
*p_alpha=alpha;
return(TRUE);
}
void view_draw_debug_info(d3pnt *pnt,d3pnt *size,int count,char *strs)
{
int n,x,y,dist;
d3col col;
d3pnt spt,ept,win_pnt;
ray_trace_contact_type contact;
// only show closer objects
dist=distance_get(pnt->x,pnt->y,pnt->z,view.render->camera.pnt.x,view.render->camera.pnt.y,view.render->camera.pnt.z);
if (dist>25000) return;
// ray trace check
spt.x=pnt->x;
spt.y=pnt->y-size->y;
spt.z=pnt->z;
ept.x=view.render->camera.pnt.x;
ept.y=view.render->camera.pnt.y;
ept.z=view.render->camera.pnt.z;
contact.obj.on=FALSE;
contact.proj.on=FALSE;
contact.origin=poly_ray_trace_origin_object;
if (ray_trace_map_by_point(&spt,&ept,&contact)) return;
// project the mid point
win_pnt.x=pnt->x;
win_pnt.y=pnt->y-size->y;
win_pnt.z=pnt->z;
gl_project_point(&win_pnt);
// draw the info
gl_2D_view_interface();
glDisable(GL_DEPTH_TEST);
// covert to interface resolution
x=(win_pnt.x*iface.scale_x)/view.screen.x_sz;
y=((view.screen.y_sz-win_pnt.y)*iface.scale_y)/view.screen.y_sz;
y-=(iface.font.text_size_small*count);
// draw text
col.r=col.b=1.0f;
col.g=0.0f;
gl_text_start(font_hud_index,iface.font.text_size_small,FALSE);
for (n=0;n!=count;n++) {
y+=iface.font.text_size_small;
gl_text_draw(x,y,(char*)&strs[n*128],tx_center,FALSE,&col,1.0f);
}
gl_text_end();
glEnable(GL_DEPTH_TEST);
// restore original projection
gl_3D_view();
gl_3D_rotate(&view.render->camera.pnt,&view.render->camera.ang);
}
bool weapon_add_projectile(int tick,obj_type *obj,weapon_type *weap,proj_setup_type *proj_setup,d3pnt *pt,d3ang *ang)
{
d3pnt spt,ept,hpt;
proj_type *proj;
ray_trace_contact_type contact;
// create new projectile
proj=projectile_create(tick,obj,weap,proj_setup);
if (proj==NULL) return(FALSE);
projectile_spawn_position(proj,pt,ang,obj);
// call spawn
scripts_post_event_console(&proj->attach,sd_event_spawn,0,0);
// if this object is the player object, then spawn projectile in remotes
if (net_setup.client.joined) {
if ((obj->uid==server.player_obj_uid) || (obj->bot)) {
net_client_send_projectile_add(obj->remote.uid,weap->name,proj_setup->name,pt,ang);
}
}
// add in object motion
proj->force.vct.x=obj->motion.vct.x*proj_setup->inherit_motion_factor;
proj->force.vct.y=obj->motion.vct.y*proj_setup->inherit_motion_factor;
proj->force.vct.z=obj->motion.vct.z*proj_setup->inherit_motion_factor;
// detect weapons being fired into walls
// if so, destroy projectile
spt.x=obj->pnt.x;
spt.y=obj->pnt.y-(obj->size.y>>1);
spt.z=obj->pnt.z;
ept.x=proj->pnt.x;
ept.y=proj->pnt.y;
ept.z=proj->pnt.z;
contact.obj.on=TRUE;
contact.proj.on=FALSE;
contact.obj.ignore_uid=obj->uid;
contact.hit_mode=poly_ray_trace_hit_mode_all;
contact.origin=poly_ray_trace_origin_projectile;
if (ray_trace_map_by_point(&spt,&ept,&hpt,&contact)) {
proj->pnt.x=hpt.x;
proj->pnt.y=hpt.y;
proj->pnt.z=hpt.z;
proj->contact.hit_poly.mesh_idx=contact.poly.mesh_idx;
proj->contact.hit_poly.poly_idx=contact.poly.poly_idx;
proj->contact.obj_uid=contact.obj.uid;
proj->contact.proj_uid=-1;
projectile_hit(tick,proj,FALSE);
}
return(TRUE);
}
void camera_chase_calc_position(void)
{
int radius;
float fang,fx,fy,fz;
d3pnt spt,ept;
ray_trace_contact_type contact;
matrix_type mat;
obj_type *obj;
obj=server.obj_list.objs[camera.obj_idx];
// get camera starting position
radius=object_get_radius(obj);
fx=0;
fy=0;
fz=(float)(radius>>2); // always move camera back to protect against hitting walls in front of player
fang=angle_add(camera.cur_pos.chase_ang.x,(obj->view_ang.x*2));
matrix_rotate_zyx(&mat,fang,camera.cur_pos.chase_ang.y,camera.cur_pos.chase_ang.z);
matrix_vertex_multiply(&mat,&fx,&fy,&fz);
spt.x=((int)fx)+obj->pnt.x;
spt.y=((int)fy)+(obj->pnt.y+obj->size.eye_offset);
spt.z=((int)fz)+obj->pnt.z;
// get camera ending position
fx=0;
fy=0;
fz=(float)map.camera.chase.distance;
fang=angle_add(camera.cur_pos.chase_ang.x,-obj->view_ang.x);
matrix_rotate_zyx(&mat,fang,camera.cur_pos.chase_ang.y,camera.cur_pos.chase_ang.z);
matrix_vertex_multiply(&mat,&fx,&fy,&fz);
ept.x=((int)fx)+obj->pnt.x;
ept.y=((int)fy)+(obj->pnt.y+obj->size.eye_offset);
ept.z=((int)fz)+obj->pnt.z;
// setup contacts
contact.obj.on=TRUE;
contact.obj.ignore_idx=obj->idx;
contact.proj.on=FALSE;
contact.origin=poly_ray_trace_origin_unknown;
ray_trace_map_by_point(&spt,&ept,&contact);
// the position
camera.cur_pos.pnt.x=contact.hpt.x+map.camera.pnt_offset.x;
camera.cur_pos.pnt.y=contact.hpt.y+map.camera.pnt_offset.y;
camera.cur_pos.pnt.z=contact.hpt.z+map.camera.pnt_offset.z;
if (obj->bump.on) camera.cur_pos.pnt.y+=obj->bump.smooth_offset;
// looking angles
// need to reverse X looking angle so it
// behaves opposite track X angle
camera.cur_pos.ang.x=(camera.cur_pos.chase_ang.x-map.camera.ang_offset.x)-obj->view_ang.x;
camera.cur_pos.ang.y=angle_add(camera.cur_pos.chase_ang.y,map.camera.ang_offset.y);
camera.cur_pos.ang.z=camera.cur_pos.chase_ang.z+map.camera.ang_offset.z;
}
