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this file has to match defaultNexuiz.cfg
[divverent/nexuiz.git] / data / qcsrc / client / teamradar.qc
1 float teamradar_angle; // player yaw angle
2 vector teamradar_origin3d_in_texcoord; // player origin
3 vector teamradar_origin2d; // 2D origin
4 vector teamradar_size2d; // 2D size
5 float teamradar_size; // 2D scale factor
6 float cl_teamradar_scale; // window size = ...qu
7
8 float vlen_maxnorm2d(vector v)
9 {
10         return max4(v_x, v_y, -v_x, -v_y);
11 }
12
13 float vlen_minnorm2d(vector v)
14 {
15         return min(max(v_x, -v_x), max(v_y, -v_y));
16 }
17
18 vector teamradar_3dcoord_to_texcoord(vector in)
19 {
20         vector out;
21         out_x = (in_x - mi_picmin_x) / (mi_picmax_x - mi_picmin_x);
22         out_y = (in_y - mi_picmin_y) / (mi_picmax_y - mi_picmin_y);
23         out_z = 0;
24         return out;
25 }
26
27 vector teamradar_texcoord_to_2dcoord(vector in)
28 {
29         vector out;
30         in -= teamradar_origin3d_in_texcoord;
31
32         out = rotate(in, teamradar_angle * DEG2RAD);
33         out_y = - out_y; // screen space is reversed
34
35         out = out * teamradar_size;
36         out += teamradar_origin2d;
37         return out;
38 }
39
40 vector yinvert(vector v)
41 {
42         v_y = 1 - v_y;
43         return v;
44 }
45
46 void draw_teamradar_background(float a)
47 {
48         if(a <= 0)
49                 return;
50
51         R_BeginPolygon("", 0);
52         R_PolygonVertex('1 0 0' * (teamradar_origin2d_x - teamradar_size2d_x * 0.5) + '0 1 0' * (teamradar_origin2d_y - teamradar_size2d_y * 0.5), '0 0 0', '0 0 0', a);
53         R_PolygonVertex('1 0 0' * (teamradar_origin2d_x + teamradar_size2d_x * 0.5) + '0 1 0' * (teamradar_origin2d_y - teamradar_size2d_y * 0.5), '0 0 0', '0 0 0', a);
54         R_PolygonVertex('1 0 0' * (teamradar_origin2d_x + teamradar_size2d_x * 0.5) + '0 1 0' * (teamradar_origin2d_y + teamradar_size2d_y * 0.5), '0 0 0', '0 0 0', a);
55         R_PolygonVertex('1 0 0' * (teamradar_origin2d_x - teamradar_size2d_x * 0.5) + '0 1 0' * (teamradar_origin2d_y + teamradar_size2d_y * 0.5), '0 0 0', '0 0 0', a);
56         R_EndPolygon();
57
58         if(csqc_flags & CSQC_FLAG_READPICTURE) // not 2.4.2
59                 R_BeginPolygon(minimapname, DRAWFLAG_ADDITIVE | DRAWFLAG_MIPMAP);
60         else
61                 R_BeginPolygon(minimapname, DRAWFLAG_ADDITIVE);
62         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord0), yinvert(mi_pictexcoord0), '1 1 1', 1);
63         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord1), yinvert(mi_pictexcoord1), '1 1 1', 1);
64         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord2), yinvert(mi_pictexcoord2), '1 1 1', 1);
65         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord3), yinvert(mi_pictexcoord3), '1 1 1', 1);
66         R_EndPolygon();
67 }
68
69 void(vector coord3d, vector pangles, vector rgb) draw_teamradar_player =
70 {
71         vector coord, rgb2;
72
73         coord = teamradar_texcoord_to_2dcoord(teamradar_3dcoord_to_texcoord(coord3d));
74
75         makevectors(pangles - '0 1 0' * teamradar_angle);
76         v_forward_z = 0;
77         v_forward = normalize(v_forward);
78         v_forward_y *= -1.0;
79         v_right_x = -v_forward_y;
80         v_right_y = v_forward_x;
81
82         if(rgb == '1 1 1')
83                 rgb2 = '0 0 0';
84         else
85                 rgb2 = '1 1 1';
86
87         R_BeginPolygon("", 0);
88         R_PolygonVertex(coord+v_forward*3, '0 0 0', rgb2, 1);
89         R_PolygonVertex(coord+v_right*4-v_forward*2.5, '0 1 0', rgb2, 1);
90         R_PolygonVertex(coord-v_forward*2, '1 0 0', rgb2, 1);
91         R_PolygonVertex(coord-v_right*4-v_forward*2.5, '1 1 0', rgb2, 1);
92         R_EndPolygon();
93
94         R_BeginPolygon("", 0);
95         R_PolygonVertex(coord+v_forward*2, '0 0 0', rgb, 1);
96         R_PolygonVertex(coord+v_right*3-v_forward*2, '0 1 0', rgb, 1);
97         R_PolygonVertex(coord-v_forward, '1 0 0', rgb, 1);
98         R_PolygonVertex(coord-v_right*3-v_forward*2, '1 1 0', rgb, 1);
99         R_EndPolygon();
100 };
101
102 void draw_teamradar_icon(vector coord, float icon, float pingtime, vector rgb, float a)
103 {
104         float dt;
105         vector v;
106
107         coord = teamradar_texcoord_to_2dcoord(teamradar_3dcoord_to_texcoord(coord));
108         drawpic(coord - '4 4 0', strcat("gfx/teamradar_icon_", ftos(icon)), '8 8 0', rgb, a, 0);
109         if(pingtime != 0)
110         {
111                 dt = time - pingtime;
112                 if(dt > 1)
113                         return;
114                 v = '2 2 0' * teamradar_size * dt;
115                 drawpic(coord - 0.5 * v, "gfx/teamradar_ping", v, '1 1 1', 1 - dt, DRAWFLAG_ADDITIVE);
116         }
117 }
118
119 float cl_teamradar_scale;
120 float cl_teamradar_background_alpha;
121 float cl_teamradar_rotation;
122 vector cl_teamradar_size;
123 vector cl_teamradar_position;
124 float cl_teamradar_zoommode;
125
126 void teamradar_loadcvars()
127 {
128         cl_teamradar_scale = cvar("cl_teamradar_scale");
129         cl_teamradar_background_alpha = cvar("cl_teamradar_background_alpha");
130         cl_teamradar_rotation = cvar("cl_teamradar_rotation");
131         cl_teamradar_size = stov(cvar_string("cl_teamradar_size"));
132         cl_teamradar_position = stov(cvar_string("cl_teamradar_position"));
133         cl_teamradar_zoommode = cvar("cl_teamradar_zoommode");
134
135         // others default to 0
136         // match this to defaultNexuiz.cfg!
137         if(!cl_teamradar_scale) cl_teamradar_scale = 4096;
138         if(!cl_teamradar_background_alpha) cl_teamradar_background_alpha = 0.25;
139         if(!cl_teamradar_size_x) cl_teamradar_size_x = 128;
140         if(!cl_teamradar_size_y) cl_teamradar_size_y = cl_teamradar_size_x;
141
142         cl_teamradar_size_z = 0;
143         cl_teamradar_position_z = 0;
144 }
145
146 void() teamradar_view =
147 {
148         local float color, color2;
149         local vector rgb;
150         local entity tm;
151         float scale2d, normalsize, bigsize;
152         float f;
153
154         if(minimapname == "")
155                 return;
156
157         teamradar_loadcvars();
158
159         switch(cl_teamradar_zoommode)
160         {
161                 default:
162                 case 0:
163                         f = current_zoomfraction;
164                         break;
165                 case 1:
166                         f = 1 - current_zoomfraction;
167                         break;
168                 case 2:
169                         f = 0;
170                         break;
171                 case 3:
172                         f = 1;
173                         break;
174         }
175
176         switch(cl_teamradar_rotation)
177         {
178                 case 0:
179                         teamradar_angle = input_angles_y - 90;
180                         break;
181                 default:
182                         teamradar_angle = 90 * cl_teamradar_rotation;
183                         break;
184         }
185
186         scale2d = vlen_maxnorm2d(mi_picmax - mi_picmin);
187         teamradar_size2d = cl_teamradar_size;
188         teamradar_origin2d =
189                   '1 0 0' * (0.5 * teamradar_size2d_x + cl_teamradar_position_x * (vid_conwidth - teamradar_size2d_x))
190                 + '0 1 0' * (0.5 * teamradar_size2d_y + cl_teamradar_position_y * (vid_conheight - teamradar_size2d_y));
191
192         // pixels per world qu to match the teamradar_size2d_x range in the longest dimension
193         if(cl_teamradar_rotation == 0)
194         {
195                 // max-min distance must fit the radar in any rotation
196                 bigsize = vlen_minnorm2d(teamradar_size2d) * scale2d / (1.05 * vlen(mi_max - mi_min));
197         }
198         else
199         {
200                 vector c0, c1, c2, c3, span;
201                 c0 = rotate(mi_min, teamradar_angle * DEG2RAD);
202                 c1 = rotate(mi_max, teamradar_angle * DEG2RAD);
203                 c2 = rotate('1 0 0' * mi_min_x + '0 1 0' * mi_max_y, teamradar_angle * DEG2RAD);
204                 c3 = rotate('1 0 0' * mi_max_x + '0 1 0' * mi_min_y, teamradar_angle * DEG2RAD);
205                 span = '0 0 0';
206                 span_x = max4(c0_x, c1_x, c2_x, c3_x) - min4(c0_x, c1_x, c2_x, c3_x);
207                 span_y = max4(c0_y, c1_y, c2_y, c3_y) - min4(c0_y, c1_y, c2_y, c3_y);
208
209                 // max-min distance must fit the radar in x=x, y=y
210                 bigsize = min(
211                         teamradar_size2d_x * scale2d / (1.05 * span_x),
212                         teamradar_size2d_y * scale2d / (1.05 * span_y)
213                 );
214         }
215
216         normalsize = vlen_maxnorm2d(teamradar_size2d) * scale2d / cl_teamradar_scale;
217         if(bigsize > normalsize)
218                 normalsize = bigsize;
219
220         teamradar_size =
221                   f * bigsize
222                 + (1 - f) * normalsize;
223         teamradar_origin3d_in_texcoord = teamradar_3dcoord_to_texcoord(
224                   f * (mi_min + mi_max) * 0.5
225                 + (1 - f) * pmove_org);
226
227         color = GetPlayerColor(player_localentnum-1);
228         rgb = GetTeamRGB(color);
229
230         drawsetcliparea(
231                 teamradar_origin2d_x - teamradar_size2d_x * 0.5,
232                 teamradar_origin2d_y - teamradar_size2d_y * 0.5,
233                 teamradar_size2d_x,
234                 teamradar_size2d_y
235         );
236
237         draw_teamradar_background(cl_teamradar_background_alpha);
238         for(tm = world; (tm = findflags(tm, teamradar_icon, 0xFFFFFF)); )
239                 draw_teamradar_icon(tm.origin, tm.teamradar_icon, tm.teamradar_time, tm.teamradar_color, tm.alpha);
240         for(tm = world; (tm = find(tm, classname, "entcs_receiver")); )
241         {
242                 color2 = GetPlayerColor(tm.sv_entnum);
243                 //if(color == COLOR_SPECTATOR || color == color2)
244                         draw_teamradar_player(tm.origin, tm.angles, GetTeamRGB(color2));
245         }
246         draw_teamradar_player(pmove_org, input_angles, '1 1 1');
247
248         drawresetcliparea();
249 };