use DRAWFLAG_SCREEN for team radar now (warning: breaks on old engines that are after...
[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 bg, float fg)
47 {
48         if(bg > 0)
49         {
50                 R_BeginPolygon("", 0);
51                 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', bg);
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', bg);
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', bg);
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', bg);
55                 R_EndPolygon();
56         }
57
58         if(fg > 0)
59         {
60                 if(csqc_flags & CSQC_FLAG_READPICTURE) // not 2.4.2
61                         R_BeginPolygon(minimapname, DRAWFLAG_SCREEN | DRAWFLAG_MIPMAP);
62                 else
63                         R_BeginPolygon(minimapname, DRAWFLAG_ADDITIVE);
64                 R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord0), yinvert(mi_pictexcoord0), '1 1 1', fg);
65                 R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord1), yinvert(mi_pictexcoord1), '1 1 1', fg);
66                 R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord2), yinvert(mi_pictexcoord2), '1 1 1', fg);
67                 R_PolygonVertex(teamradar_texcoord_to_2dcoord(mi_pictexcoord3), yinvert(mi_pictexcoord3), '1 1 1', fg);
68                 R_EndPolygon();
69         }
70 }
71
72 void(vector coord3d, vector pangles, vector rgb) draw_teamradar_player =
73 {
74         vector coord, rgb2;
75
76         coord = teamradar_texcoord_to_2dcoord(teamradar_3dcoord_to_texcoord(coord3d));
77
78         makevectors(pangles - '0 1 0' * teamradar_angle);
79         v_forward_z = 0;
80         v_forward = normalize(v_forward);
81         v_forward_y *= -1.0;
82         v_right_x = -v_forward_y;
83         v_right_y = v_forward_x;
84
85         if(rgb == '1 1 1')
86                 rgb2 = '0 0 0';
87         else
88                 rgb2 = '1 1 1';
89
90         R_BeginPolygon("", 0);
91         R_PolygonVertex(coord+v_forward*3, '0 0 0', rgb2, 1);
92         R_PolygonVertex(coord+v_right*4-v_forward*2.5, '0 1 0', rgb2, 1);
93         R_PolygonVertex(coord-v_forward*2, '1 0 0', rgb2, 1);
94         R_PolygonVertex(coord-v_right*4-v_forward*2.5, '1 1 0', rgb2, 1);
95         R_EndPolygon();
96
97         R_BeginPolygon("", 0);
98         R_PolygonVertex(coord+v_forward*2, '0 0 0', rgb, 1);
99         R_PolygonVertex(coord+v_right*3-v_forward*2, '0 1 0', rgb, 1);
100         R_PolygonVertex(coord-v_forward, '1 0 0', rgb, 1);
101         R_PolygonVertex(coord-v_right*3-v_forward*2, '1 1 0', rgb, 1);
102         R_EndPolygon();
103 };
104
105 void draw_teamradar_icon(vector coord, float icon, float pingtime, vector rgb, float a)
106 {
107         float dt;
108         vector v;
109
110         coord = teamradar_texcoord_to_2dcoord(teamradar_3dcoord_to_texcoord(coord));
111         drawpic(coord - '4 4 0', strcat("gfx/teamradar_icon_", ftos(icon)), '8 8 0', rgb, a, 0);
112         if(pingtime != 0)
113         {
114                 dt = time - pingtime;
115                 if(dt > 1)
116                         return;
117                 v = '2 2 0' * teamradar_size * dt;
118                 drawpic(coord - 0.5 * v, "gfx/teamradar_ping", v, '1 1 1', 1 - dt, DRAWFLAG_ADDITIVE);
119         }
120 }
121
122 float cl_teamradar_scale;
123 float cl_teamradar_background_alpha;
124 float cl_teamradar_foreground_alpha;
125 float cl_teamradar_rotation;
126 vector cl_teamradar_size;
127 vector cl_teamradar_position;
128 float cl_teamradar_zoommode;
129
130 void teamradar_loadcvars()
131 {
132         cl_teamradar_scale = cvar("cl_teamradar_scale");
133         cl_teamradar_background_alpha = cvar("cl_teamradar_background_alpha");
134         cl_teamradar_foreground_alpha = cvar("cl_teamradar_foreground_alpha");
135         cl_teamradar_rotation = cvar("cl_teamradar_rotation");
136         cl_teamradar_size = stov(cvar_string("cl_teamradar_size"));
137         cl_teamradar_position = stov(cvar_string("cl_teamradar_position"));
138         cl_teamradar_zoommode = cvar("cl_teamradar_zoommode");
139
140         // others default to 0
141         // match this to defaultNexuiz.cfg!
142         if(!cl_teamradar_scale) cl_teamradar_scale = 4096;
143         if(!cl_teamradar_background_alpha) cl_teamradar_background_alpha = 0.4;
144         if(!cl_teamradar_foreground_alpha) cl_teamradar_foreground_alpha = 0.8;
145         if(!cl_teamradar_size_x) cl_teamradar_size_x = 128;
146         if(!cl_teamradar_size_y) cl_teamradar_size_y = cl_teamradar_size_x;
147
148         cl_teamradar_size_z = 0;
149         cl_teamradar_position_z = 0;
150 }
151
152 void() teamradar_view =
153 {
154         local float color, color2;
155         local vector rgb;
156         local entity tm;
157         float scale2d, normalsize, bigsize;
158         float f;
159
160         if(minimapname == "")
161                 return;
162
163         teamradar_loadcvars();
164
165         switch(cl_teamradar_zoommode)
166         {
167                 default:
168                 case 0:
169                         f = current_zoomfraction;
170                         break;
171                 case 1:
172                         f = 1 - current_zoomfraction;
173                         break;
174                 case 2:
175                         f = 0;
176                         break;
177                 case 3:
178                         f = 1;
179                         break;
180         }
181
182         switch(cl_teamradar_rotation)
183         {
184                 case 0:
185                         teamradar_angle = input_angles_y - 90;
186                         break;
187                 default:
188                         teamradar_angle = 90 * cl_teamradar_rotation;
189                         break;
190         }
191
192         scale2d = vlen_maxnorm2d(mi_picmax - mi_picmin);
193         teamradar_size2d = cl_teamradar_size;
194         teamradar_origin2d =
195                   '1 0 0' * (0.5 * teamradar_size2d_x + cl_teamradar_position_x * (vid_conwidth - teamradar_size2d_x))
196                 + '0 1 0' * (0.5 * teamradar_size2d_y + cl_teamradar_position_y * (vid_conheight - teamradar_size2d_y));
197
198         // pixels per world qu to match the teamradar_size2d_x range in the longest dimension
199         if(cl_teamradar_rotation == 0)
200         {
201                 // max-min distance must fit the radar in any rotation
202                 bigsize = vlen_minnorm2d(teamradar_size2d) * scale2d / (1.05 * vlen(mi_max - mi_min));
203         }
204         else
205         {
206                 vector c0, c1, c2, c3, span;
207                 c0 = rotate(mi_min, teamradar_angle * DEG2RAD);
208                 c1 = rotate(mi_max, teamradar_angle * DEG2RAD);
209                 c2 = rotate('1 0 0' * mi_min_x + '0 1 0' * mi_max_y, teamradar_angle * DEG2RAD);
210                 c3 = rotate('1 0 0' * mi_max_x + '0 1 0' * mi_min_y, teamradar_angle * DEG2RAD);
211                 span = '0 0 0';
212                 span_x = max4(c0_x, c1_x, c2_x, c3_x) - min4(c0_x, c1_x, c2_x, c3_x);
213                 span_y = max4(c0_y, c1_y, c2_y, c3_y) - min4(c0_y, c1_y, c2_y, c3_y);
214
215                 // max-min distance must fit the radar in x=x, y=y
216                 bigsize = min(
217                         teamradar_size2d_x * scale2d / (1.05 * span_x),
218                         teamradar_size2d_y * scale2d / (1.05 * span_y)
219                 );
220         }
221
222         normalsize = vlen_maxnorm2d(teamradar_size2d) * scale2d / cl_teamradar_scale;
223         if(bigsize > normalsize)
224                 normalsize = bigsize;
225
226         teamradar_size =
227                   f * bigsize
228                 + (1 - f) * normalsize;
229         teamradar_origin3d_in_texcoord = teamradar_3dcoord_to_texcoord(
230                   f * (mi_min + mi_max) * 0.5
231                 + (1 - f) * pmove_org);
232
233         color = GetPlayerColor(player_localentnum-1);
234         rgb = GetTeamRGB(color);
235
236         drawsetcliparea(
237                 teamradar_origin2d_x - teamradar_size2d_x * 0.5,
238                 teamradar_origin2d_y - teamradar_size2d_y * 0.5,
239                 teamradar_size2d_x,
240                 teamradar_size2d_y
241         );
242
243         draw_teamradar_background(cl_teamradar_background_alpha, cl_teamradar_foreground_alpha);
244         for(tm = world; (tm = findflags(tm, teamradar_icon, 0xFFFFFF)); )
245                 draw_teamradar_icon(tm.origin, tm.teamradar_icon, tm.teamradar_time, tm.teamradar_color, tm.alpha);
246         for(tm = world; (tm = find(tm, classname, "entcs_receiver")); )
247         {
248                 color2 = GetPlayerColor(tm.sv_entnum);
249                 //if(color == COLOR_SPECTATOR || color == color2)
250                         draw_teamradar_player(tm.origin, tm.angles, GetTeamRGB(color2));
251         }
252         draw_teamradar_player(pmove_org, input_angles, '1 1 1');
253
254         drawresetcliparea();
255 };