1 // HUDNavigation.cpp
2 // Derek Meek
3 // 4-30-2004
4
5
6
7 #include "autopilot/autopilot.h"
8 #include "hud/hud.h"
9 #include "hud/hudbrackets.h"
10 #include "hud/hudnavigation.h"
11 #include "hud/hudtarget.h"
12 #include "hud/hudtargetbox.h"
13 #include "object/object.h"
14 #include "render/3d.h"
15 #include "ship/ship.h"
16
17
18 extern void hud_target_show_dist_on_bracket(int x, int y, float distance, int font_num);
19 extern void draw_brackets_square_quick(int x1, int y1, int x2, int y2, int thick);
20
21 /**
22 * Draws the Navigation stuff on the HUD
23 */
hud_draw_navigation()24 void hud_draw_navigation()
25 {
26 if (CurrentNav != -1 && Navs[CurrentNav].flags & NP_VALIDTYPE && !(Navs[CurrentNav].flags & NP_NOSELECT))
27 {
28 int in_cockpit;
29 if (!(Viewer_mode & (VM_EXTERNAL | VM_DEAD_VIEW | VM_WARP_CHASE | VM_PADLOCK_ANY)) )
30 in_cockpit = 1;
31 else
32 in_cockpit = 0;
33
34 vertex target_point; // temp vertex used to find screen position for 3-D object;
35 auto target_pos = Navs[CurrentNav].GetPosition();
36
37 color NavColor;
38
39 memset(&target_point, 0, sizeof(target_point));
40
41 unsigned int alpha = HUD_COLOR_ALPHA_MAX * 16;
42
43 if (Navs[CurrentNav].flags & NP_VISITED)
44 gr_init_alphacolor( &NavColor, 0xFF, 0xFF, 0x00, alpha);
45 else
46 gr_init_alphacolor( &NavColor, 0x80, 0x80, 0xff, alpha);
47
48 g3_rotate_vertex(&target_point, target_pos);
49 g3_project_vertex(&target_point);
50
51 if ( in_cockpit )
52 hud_target_add_display_list(NULL, &target_point, target_pos, 0, &NavColor, Navs[CurrentNav].m_NavName, TARGET_DISPLAY_DIST);
53 }
54 }
55