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also fade out warpzones properly (based on VIEW origin, not on MOVE origin)
[xonotic/xonotic-data.pk3dir.git] / qcsrc / warpzonelib / client.qc
1 void WarpZone_Fade_PreDraw()
2 {
3         if(self.warpzone_fadestart)
4         {
5                 vector org;
6                 org = R_SetView3fv(VF_ORIGIN);
7                 self.alpha = bound(0, (self.warpzone_fadeend - vlen(org - self.origin - 0.5 * (self.mins + self.maxs))) / (self.warpzone_fadeend - self.warpzone_fadestart), 1);
8         }
9         else
10                 self.alpha = 1;
11         //print(sprintf("%v <-> %v\n", view_origin, self.origin + 0.5 * (self.mins + self.maxs)));
12         if(self.alpha <= 0)
13                 self.drawmask = 0;
14         else
15                 self.drawmask = MASK_NORMAL;
16 }
17
18 void WarpZone_Read(float isnew)
19 {
20         float f;
21
22         warpzone_warpzones_exist = 1;
23         if not(self.enemy)
24         {
25                 self.enemy = spawn();
26                 self.enemy.classname = "warpzone_from";
27         }
28         self.classname = "trigger_warpzone";
29
30         f = ReadByte();
31         self.warpzone_isboxy = (f & 1);
32         if(f & 4)
33         {
34                 self.origin_x = ReadCoord();
35                 self.origin_y = ReadCoord();
36                 self.origin_z = ReadCoord();
37         }
38         else
39                 self.origin = '0 0 0';
40         self.modelindex = ReadShort();
41         self.mins_x = ReadCoord();
42         self.mins_y = ReadCoord();
43         self.mins_z = ReadCoord();
44         self.maxs_x = ReadCoord();
45         self.maxs_y = ReadCoord();
46         self.maxs_z = ReadCoord();
47         self.scale = ReadByte() / 16;
48         self.enemy.oldorigin_x = ReadCoord();
49         self.enemy.oldorigin_y = ReadCoord();
50         self.enemy.oldorigin_z = ReadCoord();
51         self.enemy.avelocity_x = ReadCoord();
52         self.enemy.avelocity_y = ReadCoord();
53         self.enemy.avelocity_z = ReadCoord();
54         self.oldorigin_x = ReadCoord();
55         self.oldorigin_y = ReadCoord();
56         self.oldorigin_z = ReadCoord();
57         self.avelocity_x = ReadCoord();
58         self.avelocity_y = ReadCoord();
59         self.avelocity_z = ReadCoord();
60
61         if(f & 2)
62         {
63                 self.warpzone_fadestart = ReadShort();
64                 self.warpzone_fadeend = max(self.warpzone_fadestart + 1, ReadShort());
65         }
66         else
67         {
68                 self.warpzone_fadestart = 0;
69                 self.warpzone_fadeend = 0;
70         }
71
72         // common stuff
73         WarpZone_SetUp(self, self.enemy.oldorigin, self.enemy.avelocity, self.oldorigin, self.avelocity);
74
75         // link me
76         //setmodel(self, self.model);
77         setorigin(self, self.origin);
78         setsize(self, self.mins, self.maxs);
79
80         // how to draw
81         // engine currently wants this
82         if(self.warpzone_fadestart)
83                 self.predraw = WarpZone_Fade_PreDraw;
84         else
85                 self.drawmask = MASK_NORMAL;
86 }
87
88 void WarpZone_Camera_Read(float isnew)
89 {
90         float f;
91         warpzone_cameras_exist = 1;
92         self.classname = "func_warpzone_camera";
93
94         f = ReadByte();
95         if(f & 4)
96         {
97                 self.origin_x = ReadCoord();
98                 self.origin_y = ReadCoord();
99                 self.origin_z = ReadCoord();
100         }
101         else
102                 self.origin = '0 0 0';
103         self.modelindex = ReadShort();
104         self.mins_x = ReadCoord();
105         self.mins_y = ReadCoord();
106         self.mins_z = ReadCoord();
107         self.maxs_x = ReadCoord();
108         self.maxs_y = ReadCoord();
109         self.maxs_z = ReadCoord();
110         self.scale = ReadByte() / 16;
111         self.oldorigin_x = ReadCoord();
112         self.oldorigin_y = ReadCoord();
113         self.oldorigin_z = ReadCoord();
114         self.avelocity_x = ReadCoord();
115         self.avelocity_y = ReadCoord();
116         self.avelocity_z = ReadCoord();
117
118         if(f & 2)
119         {
120                 self.warpzone_fadestart = ReadShort();
121                 self.warpzone_fadeend = max(self.warpzone_fadestart + 1, ReadShort());
122         }
123         else
124         {
125                 self.warpzone_fadestart = 0;
126                 self.warpzone_fadeend = 0;
127         }
128
129         // common stuff
130         WarpZone_Camera_SetUp(self, self.oldorigin, self.avelocity);
131
132         // engine currently wants this
133         self.drawmask = MASK_NORMAL;
134
135         // link me
136         //setmodel(self, self.model);
137         setorigin(self, self.origin);
138         setsize(self, self.mins, self.maxs);
139
140         // how to draw
141         // engine currently wants this
142         if(self.warpzone_fadestart)
143                 self.predraw = WarpZone_Fade_PreDraw;
144         else
145                 self.drawmask = MASK_NORMAL;
146 }
147
148 void CL_RotateMoves(vector ang) = #638;
149 void WarpZone_Teleported_Read(float isnew)
150 {
151         vector v;
152         self.classname = "warpzone_teleported";
153         v_x = ReadCoord();
154         v_y = ReadCoord();
155         v_z = ReadCoord();
156         if(!isnew)
157                 return;
158         self.warpzone_transform = v;
159         R_SetView3fv(VF_CL_VIEWANGLES, WarpZone_TransformVAngles(self, R_SetView3fv(VF_CL_VIEWANGLES)));
160         if(checkextension("DP_CSQC_ROTATEMOVES"))
161                 CL_RotateMoves(v);
162                 //CL_RotateMoves('0 90 0');
163 }
164
165 float warpzone_fixingview;
166 float warpzone_fixingview_drawexteriormodel;
167 //float warpzone_fixingview_sidespeed;
168 //float warpzone_fixingview_forwardspeed;
169 void WarpZone_Inside()
170 {
171         if(warpzone_fixingview)
172                 return;
173         warpzone_fixingview = 1;
174         warpzone_fixingview_drawexteriormodel = cvar("r_drawexteriormodel");
175         //warpzone_fixingview_sidespeed = cvar("cl_sidespeed");
176         //warpzone_fixingview_forwardspeed = cvar("cl_forwardspeed");
177         cvar_set("r_drawexteriormodel", "0");
178         //cvar_set("cl_sidespeed", ftos(warpzone_fixingview_sidespeed / 100)); // just keep a bit of it in case player gets stuck
179         //cvar_set("cl_forwardspeed", ftos(warpzone_fixingview_forwardspeed / 100)); // just keep a bit of it in case player gets stuck
180 }
181
182 void WarpZone_Outside()
183 {
184         if(!warpzone_fixingview)
185                 return;
186         warpzone_fixingview = 0;
187         cvar_set("r_drawexteriormodel", ftos(warpzone_fixingview_drawexteriormodel));
188         //cvar_set("cl_sidespeed", ftos(warpzone_fixingview_sidespeed));
189         //cvar_set("cl_forwardspeed", ftos(warpzone_fixingview_forwardspeed));
190 }
191
192 vector WarpZone_FixNearClip(vector o, vector c0, vector c1, vector c2, vector c3)
193 {
194         vector mi, ma;
195         entity e;
196         float pd;
197
198         mi_x = min5(o_x, c0_x, c1_x, c2_x, c3_x);
199         ma_x = max5(o_x, c0_x, c1_x, c2_x, c3_x);
200         mi_y = min5(o_y, c0_y, c1_y, c2_y, c3_y);
201         ma_y = max5(o_y, c0_y, c1_y, c2_y, c3_y);
202         mi_z = min5(o_z, c0_z, c1_z, c2_z, c3_z);
203         ma_z = max5(o_z, c0_z, c1_z, c2_z, c3_z);
204
205         e = WarpZone_Find(mi, ma);
206         if(e)
207         {
208                 if(WarpZone_PlaneDist(e, o) < 0)
209                         return '0 0 0';
210                         // can't really be, though, but if it is, this is not my warpzone, but a random different one in the same mins/maxs
211                 pd = min4(
212                                 WarpZone_PlaneDist(e, c0),
213                                 WarpZone_PlaneDist(e, c1),
214                                 WarpZone_PlaneDist(e, c2),
215                                 WarpZone_PlaneDist(e, c3)
216                         );
217                 if(pd < 0)
218                         return e.warpzone_forward * -pd;
219         }
220
221         return '0 0 0';
222 }
223
224 float warpzone_saved;
225 vector warpzone_saved_origin;
226 vector warpzone_saved_angles;
227 vector warpzone_saved_cl_viewangles;
228 #ifndef KEEP_ROLL
229 var float autocvar_cl_rollkillspeed = 10;
230 #endif
231 void WarpZone_FixView()
232 {
233         float f;
234         vector o;
235         entity e;
236         vector corner0, corner1, corner2, corner3, nearclip;
237
238         warpzone_saved = 0;
239         warpzone_saved_origin = warpzone_fixview_origin;
240         warpzone_saved_angles = warpzone_fixview_angles;
241         warpzone_saved_cl_viewangles = warpzone_fixview_cl_viewangles;
242
243         nearclip = '0 0 1' * (cvar("r_nearclip") * 1.125);
244         corner0 = cs_unproject('0 0 0' + nearclip);
245         corner1 = cs_unproject('1 0 0' * cvar("vid_conwidth") + nearclip);
246         corner2 = cs_unproject('0 1 0' * cvar("vid_conheight") + nearclip);
247         corner3 = cs_unproject('1 0 0' * cvar("vid_conwidth") + '0 1 0' * cvar("vid_conheight") + nearclip);
248
249 #ifndef KEEP_ROLL
250         if(warpzone_fixview_angles_z != 0 || warpzone_fixview_cl_viewangles_z != 0)
251         {
252                 if(autocvar_cl_rollkillspeed)
253                         f = max(0, (1 - frametime * autocvar_cl_rollkillspeed));
254                 else
255                         f = 0;
256                 warpzone_fixview_angles_z *= f;
257                 warpzone_fixview_cl_viewangles_z *= f;
258                 warpzone_saved_angles_z *= f; // PERMANENTLY apply that change!
259                 warpzone_saved_cl_viewangles_z *= f; // PERMANENTLY apply that change!
260                 warpzone_saved = 2;
261                 R_SetView(VF_CL_VIEWANGLES_Z, warpzone_fixview_angles_z);
262         }
263 #endif
264
265         e = WarpZone_Find(warpzone_fixview_origin, warpzone_fixview_origin);
266         if(e)
267         {
268                 warpzone_saved = 1;
269                 warpzone_fixview_origin = WarpZone_TransformOrigin(e, warpzone_fixview_origin);
270                 corner0 = WarpZone_TransformOrigin(e, corner0);
271                 corner1 = WarpZone_TransformOrigin(e, corner1);
272                 corner2 = WarpZone_TransformOrigin(e, corner2);
273                 corner3 = WarpZone_TransformOrigin(e, corner3);
274                 warpzone_fixview_angles = WarpZone_TransformVAngles(e, warpzone_fixview_angles);
275                 warpzone_fixview_cl_viewangles = WarpZone_TransformVAngles(e, warpzone_fixview_cl_viewangles);
276                 WarpZone_Inside();
277         }
278         else
279                 WarpZone_Outside();
280
281         // if we are near any warpzone planes - MOVE AWAY (work around nearclip)
282         o = WarpZone_FixNearClip(warpzone_fixview_origin, corner0, corner1, corner2, corner3);
283         if(o != '0 0 0')
284         {
285                 warpzone_saved = 1;
286                 warpzone_fixview_origin += o;
287         }
288
289         if(warpzone_saved == 1)
290         {
291                 R_SetView(VF_ORIGIN, warpzone_fixview_origin);
292                 R_SetView(VF_ANGLES, warpzone_fixview_cl_viewangles);
293         }
294 }
295 void WarpZone_UnFixView()
296 {
297         if(warpzone_saved)
298         {
299                 warpzone_fixview_origin = warpzone_saved_origin;
300                 warpzone_fixview_angles = warpzone_saved_angles;
301                 warpzone_fixview_cl_viewangles = warpzone_saved_cl_viewangles;
302                 R_SetView(VF_ORIGIN, warpzone_fixview_origin);
303                 R_SetView(VF_ANGLES, warpzone_fixview_angles);
304                 R_SetView(VF_CL_VIEWANGLES, warpzone_fixview_cl_viewangles);
305         }
306 }
307
308 void WarpZone_Init()
309 {
310 }
311
312 void WarpZone_Shutdown()
313 {
314         WarpZone_Outside();
315 }