/* Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the included (GNU.txt) GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* ZOID * * Player camera tracking in Spectator mode * * This takes over player controls for spectator automatic camera. * Player moves as a spectator, but the camera tracks and enemy player */ #include "quakedef.h" #include "winquake.h" #define PM_SPECTATORMAXSPEED 500 #define PM_STOPSPEED 100 #define PM_MAXSPEED 320 #define BUTTON_JUMP 2 #define BUTTON_ATTACK 1 #define MAX_ANGLE_TURN 10 char cl_spectatorgroup[] = "Spectator Tracking"; // track high fragger cvar_t cl_hightrack = SCVAR("cl_hightrack", "0"); cvar_t cl_chasecam = SCVAR("cl_chasecam", "1"); cvar_t cl_selfcam = SCVAR("cl_selfcam", "1"); //cvar_t cl_camera_maxpitch = {"cl_camera_maxpitch", "10" }; //cvar_t cl_camera_maxyaw = {"cl_camera_maxyaw", "30" }; int selfcam=1; static float vlen(vec3_t v) { return sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]); } // returns true if weapon model should be drawn in camera mode qboolean Cam_DrawViewModel(playerview_t *pv) { if (cl.spectator) { if (pv->cam_auto && pv->cam_locked && cl_chasecam.ival) return true; return false; } else { if (selfcam == 1 && !r_refdef.externalview) return true; return false; } } int Cam_TrackNum(playerview_t *pv) { if (!pv->cam_auto) return -1; return pv->cam_spec_track; } void Cam_Unlock(playerview_t *pv) { if (pv->cam_auto) { CL_SendClientCommand(true, "ptrack"); pv->cam_auto = CAM_NONE; pv->cam_locked = false; pv->viewentity = (cls.demoplayback)?0:(pv->playernum+1); //free floating Sbar_Changed(); } } void Cam_Lock(playerview_t *pv, int playernum) { int i; pv->cam_lastviewtime = -1000; CL_SendClientCommand(true, "ptrack %i", playernum); pv->cam_spec_track = playernum; pv->cam_locked = false; pv->viewentity = (cls.demoplayback)?0:(pv->playernum+1); //free floating Skin_FlushPlayers(); if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV) { memcpy(&pv->stats, cl.players[playernum].stats, sizeof(pv->stats)); pv->cam_locked = true; //instantly lock if the player is valid. pv->viewentity = playernum+1; } Sbar_Changed(); for (i = 0; i < cl.allocated_client_slots; i++) CL_NewTranslation(i); } trace_t Cam_DoTrace(vec3_t vec1, vec3_t vec2) { #if 0 memset(&pmove, 0, sizeof(pmove)); pmove.numphysent = 1; memset(&pmove.physents[0], 0, sizeof(physent_t)); VectorClear (pmove.physents[0].origin); pmove.physents[0].model = cl.worldmodel; #endif VectorCopy (vec1, pmove.origin); return PM_PlayerTrace(pmove.origin, vec2, MASK_PLAYERSOLID); } // Returns distance or 9999 if invalid for some reason static float Cam_TryFlyby(vec3_t selforigin, vec3_t playerorigin, vec3_t vec, qboolean checkvis) { vec3_t v; trace_t trace; float len; pmove.player_mins[0] = pmove.player_mins[1] = -16; pmove.player_mins[2] = -24; pmove.player_maxs[0] = pmove.player_maxs[1] = 16; pmove.player_maxs[2] = 32; VectorAngles(vec, NULL, v); // v[0] = -v[0]; VectorCopy (v, pmove.angles); VectorNormalize(vec); VectorMA(playerorigin, 800, vec, v); // v is endpos // fake a player move trace = Cam_DoTrace(playerorigin, v); if (/*trace.inopen ||*/ trace.inwater) return 9999; VectorCopy(trace.endpos, vec); VectorSubtract(trace.endpos, playerorigin, v); len = sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]); if (len < 32 || len > 800) return 9999; if (checkvis) { VectorSubtract(trace.endpos, selforigin, v); len = sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]); trace = Cam_DoTrace(selforigin, vec); if (trace.fraction != 1 || trace.inwater) return 9999; } return len; } // Is player visible? static qboolean Cam_IsVisible(vec3_t playerorigin, vec3_t vec) { trace_t trace; vec3_t v; float d; trace = Cam_DoTrace(playerorigin, vec); if (trace.fraction != 1 || /*trace.inopen ||*/ trace.inwater) return false; // check distance, don't let the player get too far away or too close VectorSubtract(playerorigin, vec, v); d = vlen(v); if (d < 16) return false; return true; } static qboolean InitFlyby(playerview_t *pv, vec3_t selforigin, vec3_t playerorigin, vec3_t playerviewangles, int checkvis) { float f, max; vec3_t vec, vec2; vec3_t forward, right, up; VectorCopy(playerviewangles, vec); vec[0] = 0; AngleVectors (vec, forward, right, up); // for (i = 0; i < 3; i++) // forward[i] *= 3; max = 1000; VectorAdd(forward, up, vec2); VectorAdd(vec2, right, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorAdd(forward, up, vec2); VectorSubtract(vec2, right, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorAdd(forward, right, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorSubtract(forward, right, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorAdd(forward, up, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorSubtract(forward, up, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorAdd(up, right, vec2); VectorSubtract(vec2, forward, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorSubtract(up, right, vec2); VectorSubtract(vec2, forward, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } // invert VectorNegate(forward, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorCopy(forward, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } // invert VectorNegate(right, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } VectorCopy(right, vec2); if ((f = Cam_TryFlyby(selforigin, playerorigin, vec2, checkvis)) < max) { max = f; VectorCopy(vec2, vec); } // ack, can't find him if (max >= 1000) { // Cam_Unlock(); return false; } pv->cam_locked = true; pv->viewentity = pv->cam_spec_track+1; VectorCopy(vec, pv->cam_desired_position); return true; } static void Cam_CheckHighTarget(playerview_t *pv) { int i, j, max; player_info_t *s; playerview_t *spv; j = -1; for (i = 0, max = -9999; i < cl.allocated_client_slots; i++) { s = &cl.players[i]; if (s->name[0] && !s->spectator && s->frags > max) { //skip it if an earlier seat is watching it already for (spv = pv-1; spv >= cl.playerview && spv < &cl.playerview[cl.splitclients]; spv--) { if (Cam_TrackNum(spv) == i) break; } if (!(spv >= cl.playerview && spv < &cl.playerview[cl.splitclients])) { max = s->frags; j = i; } } } if (j >= 0) { if (!pv->cam_locked || cl.players[j].frags > cl.players[pv->cam_spec_track].frags) { Cam_Lock(pv, j); //un-lock any higher seats watching our new target. this keeps things ordered. for (spv = pv+1; spv >= cl.playerview && spv < &cl.playerview[cl.splitclients]; spv++) { if (Cam_TrackNum(spv) == j) spv->cam_locked = false; } } } else Cam_Unlock(pv); } void Cam_SelfTrack(playerview_t *pv) { vec3_t vec; if (!cl.worldmodel || cl.worldmodel->needload) return; if (selfcam == 1) { //view-from-eyes } else { if (selfcam == 2) { //fixme: vec3_t forward, right, up; trace_t tr; AngleVectors(r_refdef.viewangles, forward, right, up); VectorMA(pv->simorg, -128, forward, pv->cam_desired_position); tr = Cam_DoTrace(pv->simorg, pv->cam_desired_position); VectorCopy(tr.endpos, pv->cam_desired_position); } else { //view from a random wall if (!pv->cam_locked || !Cam_IsVisible(pv->simorg, pv->cam_desired_position)) { if (!pv->cam_locked || realtime - pv->cam_lastviewtime > 0.1) { if (!InitFlyby(pv, pv->cam_desired_position, pv->simorg, pv->simangles, true)) InitFlyby(pv, pv->cam_desired_position, pv->simorg, pv->simangles, false); pv->cam_lastviewtime = realtime; } } else { pv->cam_lastviewtime = realtime; } //tracking failed. if (!pv->cam_locked) return; } // move there locally immediately VectorCopy(pv->cam_desired_position, r_refdef.vieworg); VectorSubtract(pv->simorg, pv->cam_desired_position, vec); VectorAngles(vec, NULL, r_refdef.viewangles); r_refdef.viewangles[0] = -r_refdef.viewangles[0]; } } // ZOID // // Take over the user controls and track a player. // We find a nice position to watch the player and move there void Cam_Track(playerview_t *pv, usercmd_t *cmd) { player_state_t *player, *self; inframe_t *frame; vec3_t vec; float len; if (!cl.spectator || !cl.worldmodel) //can happen when the server changes level return; if (cl_hightrack.value && !pv->cam_locked) Cam_CheckHighTarget(pv); if (!pv->cam_auto || cls.state != ca_active) return; if (pv->cam_locked && (!cl.players[pv->cam_spec_track].name[0] || cl.players[pv->cam_spec_track].spectator)) { pv->cam_locked = false; if (cl_hightrack.value) Cam_CheckHighTarget(pv); else Cam_Unlock(pv); return; } frame = &cl.inframes[cl.validsequence & UPDATE_MASK]; player = frame->playerstate + pv->cam_spec_track; self = frame->playerstate + pv->playernum; if (!pv->cam_locked || !Cam_IsVisible(player->origin, pv->cam_desired_position)) { if (!pv->cam_locked || realtime - pv->cam_lastviewtime > 0.1) { if (!InitFlyby(pv, self->origin, player->origin, player->viewangles, true)) InitFlyby(pv, self->origin, player->origin, player->viewangles, false); pv->cam_lastviewtime = realtime; } } else { pv->cam_lastviewtime = realtime; } //tracking failed. if (!pv->cam_locked || !pv->cam_auto) return; if (cl_chasecam.value || scr_chatmode == 2) { float *neworg; // float *newang; if (pv->nolocalplayer) neworg = cl.lerpents[pv->viewentity].origin; else neworg = player->origin; if (scr_chatmode != 2) pv->cam_lastviewtime = realtime; // VectorCopy(newang, pv->viewangles); if (memcmp(neworg, &self->origin, sizeof(vec3_t)) != 0) { if (!cls.demoplayback) { MSG_WriteByte (&cls.netchan.message, clc_tmove); MSG_WriteCoord (&cls.netchan.message, neworg[0]); MSG_WriteCoord (&cls.netchan.message, neworg[1]); MSG_WriteCoord (&cls.netchan.message, neworg[2]); } // move there locally immediately VectorCopy(neworg, self->origin); } self->weaponframe = player->weaponframe; return; } // Ok, move to our desired position and set our angles to view // the player VectorSubtract(pv->cam_desired_position, self->origin, vec); len = vlen(vec); cmd->forwardmove = cmd->sidemove = cmd->upmove = 0; if (len > 16) { // close enough? MSG_WriteByte (&cls.netchan.message, clc_tmove); MSG_WriteCoord (&cls.netchan.message, pv->cam_desired_position[0]); MSG_WriteCoord (&cls.netchan.message, pv->cam_desired_position[1]); MSG_WriteCoord (&cls.netchan.message, pv->cam_desired_position[2]); } // move there locally immediately VectorCopy(pv->cam_desired_position, self->origin); VectorSubtract(player->origin, pv->cam_desired_position, vec); VectorAngles(vec, NULL, pv->viewangles); pv->viewangles[0] = -pv->viewangles[0]; } void Cam_SetAutoTrack(int userid) { //this is a hint from the server about who to track } void Cam_TrackCrosshairedPlayer(playerview_t *pv) { inframe_t *frame; player_state_t *player; int i; float dot = 0.1, bestdot=0; int best = -1; vec3_t selforg; vec3_t dir; frame = &cl.inframes[cl.validsequence & UPDATE_MASK]; player = frame->playerstate + pv->playernum; VectorCopy(player->origin, selforg); for (i = 0; i < cl.allocated_client_slots; i++) { player = frame->playerstate + i; VectorSubtract(player->origin, selforg, dir); VectorNormalize(dir); dot = DotProduct(vpn, dir); if (dot > bestdot) { bestdot = dot; best = i; } } Con_Printf("Track %i? %f\n", best, bestdot); if (best != -1) //did we actually get someone? { pv->cam_auto++; Cam_Lock(pv, best); } } void Cam_FinishMove(playerview_t *pv, usercmd_t *cmd) { int i; player_info_t *s; int end; extern cvar_t cl_demospeed, cl_splitscreen; if (cls.state != ca_active) return; if (!cl.spectator && (cls.demoplayback != DPB_MVD && cls.demoplayback != DPB_EZTV)) // only in spectator mode return; if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV) { int nb; nb = (cmd->sidemove<0)?4:0; nb |= (cmd->sidemove>0)?8:0; nb |= (cmd->forwardmove<0)?16:0; nb |= (cmd->forwardmove>0)?32:0; nb |= (cmd->upmove<0)?64:0; nb |= (cmd->upmove>0)?128:0; if (Cam_TrackNum(pv) >= 0) { if (nb & (nb ^ pv->cam_oldbuttons) & 4) Cvar_SetValue(&cl_demospeed, max(cl_demospeed.value - 0.1, 0)); if (nb & (nb ^ pv->cam_oldbuttons) & 8) Cvar_SetValue(&cl_demospeed, min(cl_demospeed.value + 0.1, 10)); if (nb & (nb ^ pv->cam_oldbuttons) & (4|8)) Con_Printf("playback speed: %g%%\n", cl_demospeed.value*100); if (nb & (nb ^ pv->cam_oldbuttons) & 16) Cbuf_AddText("demo_jump +10", RESTRICT_LOCAL); if (nb & (nb ^ pv->cam_oldbuttons) & 32) Cbuf_AddText("demo_jump -10", RESTRICT_LOCAL); if (nb & (nb ^ pv->cam_oldbuttons) & (4|8)) Con_Printf("playback speed: %g%%\n", cl_demospeed.value*100); if (nb & (nb ^ pv->cam_oldbuttons) & 64) Cvar_SetValue(&cl_splitscreen, max(cl_splitscreen.ival - 1, 0)); if (nb & (nb ^ pv->cam_oldbuttons) & 128) Cvar_SetValue(&cl_splitscreen, min(cl_splitscreen.ival + 1, MAX_SPLITS-1)); } pv->cam_oldbuttons = (pv->cam_oldbuttons & 3) | (nb & ~3); if (cmd->impulse) { int pl = cmd->impulse; for (i = 0; ; i++) { if (i == MAX_CLIENTS) { if (pl == cmd->impulse) break; i = 0; } s = &cl.players[i]; if (s->name[0] && !s->spectator) { pl--; if (!pl) { Cam_Lock(pv, i); if (pv >= &cl.playerview[0] && pv < &cl.playerview[cl.splitclients]) { pl = 1; pv++; } else break; } } } return; } } if (cmd->buttons & BUTTON_ATTACK) { if (!(pv->cam_oldbuttons & BUTTON_ATTACK)) { pv->cam_oldbuttons |= BUTTON_ATTACK; pv->cam_auto++; if (pv->cam_auto > CAM_TRACK) { Cam_Unlock(pv); VectorCopy(pv->viewangles, cmd->angles); return; } } else return; } else { pv->cam_oldbuttons &= ~BUTTON_ATTACK; if (!pv->cam_auto) { if ((cmd->buttons & BUTTON_JUMP) && !(pv->cam_oldbuttons & BUTTON_JUMP)) Cam_TrackCrosshairedPlayer(pv); pv->cam_oldbuttons = (pv->cam_oldbuttons&~BUTTON_JUMP) | (cmd->buttons & BUTTON_JUMP); return; } } if (pv->cam_auto && cl_hightrack.ival) { Cam_CheckHighTarget(pv); return; } if (pv->cam_locked) { if ((cmd->buttons & BUTTON_JUMP) && (pv->cam_oldbuttons & BUTTON_JUMP)) return; // don't pogo stick if (!(cmd->buttons & BUTTON_JUMP)) { pv->cam_oldbuttons &= ~BUTTON_JUMP; return; } pv->cam_oldbuttons |= BUTTON_JUMP; // don't jump again until released } // Con_Printf("Selecting track target...\n"); if (pv->cam_locked && pv->cam_auto) end = (pv->cam_spec_track + 1) % MAX_CLIENTS; else end = pv->cam_spec_track; i = end; do { s = &cl.players[i]; if (s->name[0] && !s->spectator) { Cam_Lock(pv, i); return; } i = (i + 1) % cl.allocated_client_slots; } while (i != end); // stay on same guy? i = pv->cam_spec_track; s = &cl.players[i]; if (s->name[0] && !s->spectator) { Cam_Lock(pv, i); return; } Con_Printf("No target found ...\n"); pv->cam_auto = pv->cam_locked = false; } void Cam_Reset(void) { int pnum; for (pnum = 0; pnum < MAX_SPLITS; pnum++) { playerview_t *pv = &cl.playerview[pnum]; pv->cam_auto = CAM_NONE; pv->cam_spec_track = 0; } } void Cam_TrackPlayer(int seat, char *cmdname, char *plrarg) { playerview_t *pv = &cl.playerview[seat]; int slot; player_info_t *s; if (seat >= MAX_SPLITS) return; if (cls.state <= ca_connected) { Con_Printf("Not connected.\n"); return; } if (!cl.spectator) { Con_Printf("Not spectating.\n"); return; } if (!Q_strcasecmp(plrarg, "off")) { Cam_Unlock(pv); return; } // search nicks first for (slot = 0; slot < cl.allocated_client_slots; slot++) { s = &cl.players[slot]; if (s->name[0] && !s->spectator && !Q_strcasecmp(s->name, plrarg)) break; } if (slot == cl.allocated_client_slots) { // didn't find nick, so search userids int userid; char *c; // check if given arg is in fact a number c = plrarg; while (*c) { if (*c < '0' || *c > '9') { Con_Printf("Couldn't find nick %s\n", plrarg); return; } c++; } userid = atoi(plrarg); for (slot = 0; slot < cl.allocated_client_slots; slot++) { s = &cl.players[slot]; if (s->name[0] && !s->spectator && s->userid == userid) break; } if (slot == cl.allocated_client_slots) { Con_Printf("Couldn't find userid %i\n", userid); return; } } pv->cam_auto = CAM_TRACK; Cam_Lock(pv, slot); pv->cam_locked = true; pv->viewentity = slot+1; } void Cam_Track_f(void) { int i, j; if (Cmd_Argc() < 2) { Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0)); return; } i = 1; j = Cmd_Argc() - 1; if (j > MAX_SPLITS) j = MAX_SPLITS; while (j > 0) { Cam_TrackPlayer(i - 1, Cmd_Argv(0), Cmd_Argv(i)); i++; j--; } } void Cam_Track1_f(void) { if (Cmd_Argc() < 2) { Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0)); return; } Cam_TrackPlayer(0, Cmd_Argv(0), Cmd_Argv(1)); } void Cam_Track2_f(void) { if (Cmd_Argc() < 2) { Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0)); return; } Cam_TrackPlayer(1, Cmd_Argv(0), Cmd_Argv(1)); } void Cam_Track3_f(void) { if (Cmd_Argc() < 2) { Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0)); return; } Cam_TrackPlayer(2, Cmd_Argv(0), Cmd_Argv(1)); } void Cam_Track4_f(void) { if (Cmd_Argc() < 2) { Con_Printf("Usage: %s userid|nick|off\n", Cmd_Argv(0)); return; } Cam_TrackPlayer(3, Cmd_Argv(0), Cmd_Argv(1)); } void CL_InitCam(void) { Cvar_Register (&cl_hightrack, cl_spectatorgroup); Cvar_Register (&cl_chasecam, cl_spectatorgroup); // Cvar_Register (&cl_camera_maxpitch, cl_spectatorgroup); // Cvar_Register (&cl_camera_maxyaw, cl_spectatorgroup); // Cvar_Register (&cl_selfcam, cl_spectatorgroup); Cmd_AddCommand("track", Cam_Track_f); Cmd_AddCommand("track1", Cam_Track1_f); Cmd_AddCommand("track2", Cam_Track2_f); Cmd_AddCommand("track3", Cam_Track3_f); Cmd_AddCommand("track4", Cam_Track4_f); }