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updated entcs, less of a bandwidth hog
[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         R_BeginPolygon(minimapname, DRAWFLAG_ADDITIVE | DRAWFLAG_MIPMAP);
59         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord0), yinvert(mi_pictexcoord0), '1 1 1', 1);
60         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord1), yinvert(mi_pictexcoord1), '1 1 1', 1);
61         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord2), yinvert(mi_pictexcoord2), '1 1 1', 1);
62         R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord3), yinvert(mi_pictexcoord3), '1 1 1', 1);
63         R_EndPolygon();
64 }
65
66 void(vector coord3d, vector pangles, vector rgb) draw_teamradar_player =
67 {
68         vector coord, rgb2;
69
70         coord = teamradar_texcoord_to_2dcoord(teamradar_3dcoord_to_texcoord(coord3d));
71
72         makevectors(pangles - '0 1 0' * teamradar_angle);
73         v_forward_z = 0;
74         v_forward = normalize(v_forward);
75         v_forward_y *= -1.0;
76         v_right_x = -v_forward_y;
77         v_right_y = v_forward_x;
78
79         if(rgb == '1 1 1')
80                 rgb2 = '0 0 0';
81         else
82                 rgb2 = '1 1 1';
83
84         R_BeginPolygon("", 0);
85         R_PolygonVertex(coord+v_forward*3, '0 0 0', rgb2, 1);
86         R_PolygonVertex(coord+v_right*4-v_forward*2.5, '0 1 0', rgb2, 1);
87         R_PolygonVertex(coord-v_forward*2, '1 0 0', rgb2, 1);
88         R_PolygonVertex(coord-v_right*4-v_forward*2.5, '1 1 0', rgb2, 1);
89         R_EndPolygon();
90
91         R_BeginPolygon("", 0);
92         R_PolygonVertex(coord+v_forward*2, '0 0 0', rgb, 1);
93         R_PolygonVertex(coord+v_right*3-v_forward*2, '0 1 0', rgb, 1);
94         R_PolygonVertex(coord-v_forward, '1 0 0', rgb, 1);
95         R_PolygonVertex(coord-v_right*3-v_forward*2, '1 1 0', rgb, 1);
96         R_EndPolygon();
97 };
98
99 void draw_teamradar_icon(vector coord, float icon, float pingtime, vector rgb, float a)
100 {
101         float dt;
102         vector v;
103
104         coord = teamradar_texcoord_to_2dcoord(teamradar_3dcoord_to_texcoord(coord));
105         drawpic(coord - '4 4 0', strcat("gfx/teamradar_icon_", ftos(icon)), '8 8 0', rgb, a, 0);
106         if(pingtime != 0)
107         {
108                 dt = time - pingtime;
109                 if(dt > 1)
110                         return;
111                 v = '2 2 0' * teamradar_size * dt;
112                 drawpic(coord - 0.5 * v, "gfx/teamradar_ping", v, '1 1 1', 1 - dt, DRAWFLAG_ADDITIVE);
113         }
114 }
115
116 float cl_teamradar_scale;
117 float cl_teamradar_background_alpha;
118 float cl_teamradar_rotation;
119 vector cl_teamradar_size;
120 vector cl_teamradar_position;
121 float cl_teamradar_zoommode;
122
123 void teamradar_loadcvars()
124 {
125         cl_teamradar_scale = cvar("cl_teamradar_scale");
126         cl_teamradar_background_alpha = cvar("cl_teamradar_background_alpha");
127         cl_teamradar_rotation = cvar("cl_teamradar_rotation");
128         cl_teamradar_size = stov(cvar_string("cl_teamradar_size"));
129         cl_teamradar_position = stov(cvar_string("cl_teamradar_position"));
130         cl_teamradar_zoommode = cvar("cl_teamradar_zoommode");
131
132         // others default to 0
133         if(!cl_teamradar_scale) cl_teamradar_scale = 4096;
134         if(!cl_teamradar_background_alpha) cl_teamradar_background_alpha = 0.75;
135         if(!cl_teamradar_size_x) cl_teamradar_size_x = 128;
136         if(!cl_teamradar_size_y) cl_teamradar_size_y = cl_teamradar_size_x;
137
138         cl_teamradar_size_z = 0;
139         cl_teamradar_position_z = 0;
140 }
141
142 void() teamradar_view =
143 {
144         local float color, color2;
145         local vector rgb;
146         local entity tm;
147         float scale2d, normalsize, bigsize;
148         float f;
149
150         if(minimapname == "")
151                 return;
152
153         teamradar_loadcvars();
154
155         switch(cl_teamradar_zoommode)
156         {
157                 default:
158                 case 0:
159                         f = current_zoomfraction;
160                         break;
161                 case 1:
162                         f = 1 - current_zoomfraction;
163                         break;
164                 case 2:
165                         f = 0;
166                         break;
167                 case 3:
168                         f = 1;
169                         break;
170         }
171
172         switch(cl_teamradar_rotation)
173         {
174                 case 0:
175                         teamradar_angle = input_angles_y - 90;
176                         break;
177                 default:
178                         teamradar_angle = 90 * cl_teamradar_rotation;
179                         break;
180         }
181
182         scale2d = vlen_maxnorm2d(mi_picmax - mi_picmin);
183         teamradar_size2d = cl_teamradar_size;
184         teamradar_origin2d =
185                   '1 0 0' * (0.5 * teamradar_size2d_x + cl_teamradar_position_x * (vid_conwidth - teamradar_size2d_x))
186                 + '0 1 0' * (0.5 * teamradar_size2d_y + cl_teamradar_position_y * (vid_conheight - teamradar_size2d_y));
187
188         // pixels per world qu to match the teamradar_size2d_x range in the longest dimension
189         if(cl_teamradar_rotation == 0)
190         {
191                 // max-min distance must fit the radar in any rotation
192                 bigsize = vlen_minnorm2d(teamradar_size2d) * scale2d / (1.05 * vlen(mi_max - mi_min));
193         }
194         else
195         {
196                 vector c0, c1, c2, c3, span;
197                 c0 = rotate(mi_min, teamradar_angle * DEG2RAD);
198                 c1 = rotate(mi_max, teamradar_angle * DEG2RAD);
199                 c2 = rotate('1 0 0' * mi_min_x + '0 1 0' * mi_max_y, teamradar_angle * DEG2RAD);
200                 c3 = rotate('1 0 0' * mi_max_x + '0 1 0' * mi_min_y, teamradar_angle * DEG2RAD);
201                 span = '0 0 0';
202                 span_x = max4(c0_x, c1_x, c2_x, c3_x) - min4(c0_x, c1_x, c2_x, c3_x);
203                 span_y = max4(c0_y, c1_y, c2_y, c3_y) - min4(c0_y, c1_y, c2_y, c3_y);
204
205                 // max-min distance must fit the radar in x=x, y=y
206                 bigsize = min(
207                         teamradar_size2d_x * scale2d / (1.05 * span_x),
208                         teamradar_size2d_y * scale2d / (1.05 * span_y)
209                 );
210         }
211
212         normalsize = vlen_maxnorm2d(teamradar_size2d) * scale2d / cl_teamradar_scale;
213         if(bigsize > normalsize)
214                 normalsize = bigsize;
215
216         teamradar_size =
217                   f * bigsize
218                 + (1 - f) * normalsize;
219         teamradar_origin3d_in_texcoord = teamradar_3dcoord_to_texcoord(
220                   f * (mi_min + mi_max) * 0.5
221                 + (1 - f) * pmove_org);
222
223         color = GetPlayerColor(player_localentnum-1);
224         rgb = GetTeamRGB(color);
225
226         drawsetcliparea(
227                 teamradar_origin2d_x - teamradar_size2d_x * 0.5,
228                 teamradar_origin2d_y - teamradar_size2d_y * 0.5,
229                 teamradar_size2d_x,
230                 teamradar_size2d_y
231         );
232
233         draw_teamradar_background(cl_teamradar_background_alpha);
234         for(tm = world; (tm = findflags(tm, teamradar_icon, 0xFFFFFF)); )
235                 draw_teamradar_icon(tm.origin, tm.teamradar_icon, tm.teamradar_time, tm.teamradar_color, tm.alpha);
236         for(tm = world; (tm = find(tm, classname, "entcs_receiver")); )
237         {
238                 color2 = GetPlayerColor(tm.sv_entnum);
239                 //if(color == COLOR_SPECTATOR || color == color2)
240                         draw_teamradar_player(tm.origin, tm.angles, GetTeamRGB(color2));
241         }
242         draw_teamradar_player(pmove_org, input_angles, '1 1 1');
243
244         drawresetcliparea();
245 };