/* cl_input.c builds an intended movement command to send to the server 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 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ static const char rcsid[] = "$Id$"; #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #include "QF/cmd.h" #include "QF/console.h" #include "QF/cvar.h" #include "QF/input.h" #include "QF/keys.h" #include "QF/msg.h" #include "chase.h" #include "client.h" #include "compat.h" #include "host.h" /* KEY BUTTONS Continuous button event tracking is complicated by the fact that two different input sources (say, mouse button 1 and the control key) can both press the same button, but the button should only be released when both of the pressing key have been released. When a key event issues a button command (+forward, +attack, etc), it appends its key number as a parameter to the command so it can be matched up with the release. state bit 0 is the current state of the key state bit 1 is edge triggered on the up to down transition state bit 2 is edge triggered on the down to up transition */ kbutton_t in_left, in_right, in_forward, in_back; kbutton_t in_lookup, in_lookdown, in_moveleft, in_moveright; kbutton_t in_use, in_jump, in_attack; kbutton_t in_up, in_down; int in_impulse; void KeyDown (kbutton_t *b) { const char *c; int k; c = Cmd_Argv (1); if (c[0]) k = atoi (c); else k = -1; // typed manually at the console for // continuous down if (k == b->down[0] || k == b->down[1]) return; // repeating key if (!b->down[0]) b->down[0] = k; else if (!b->down[1]) b->down[1] = k; else { Con_Printf ("Three keys down for a button!\n"); return; } if (b->state & 1) return; // still down b->state |= 1 + 2; // down + impulse down } void KeyUp (kbutton_t *b) { const char *c; int k; c = Cmd_Argv (1); if (c[0]) k = atoi (c); else { // typed manually at the console, // assume for unsticking, so clear // all b->down[0] = b->down[1] = 0; b->state = 4; // impulse up return; } if (b->down[0] == k) b->down[0] = 0; else if (b->down[1] == k) b->down[1] = 0; else return; // key up without coresponding down // (menu pass through) if (b->down[0] || b->down[1]) return; // some other key is still holding it // down if (!(b->state & 1)) return; // still up (this should not happen) b->state &= ~1; // now up b->state |= 4; // impulse up } void IN_KLookDown (void) { KeyDown (&in_klook); } void IN_KLookUp (void) { KeyUp (&in_klook); } void IN_MLookDown (void) { KeyDown (&in_mlook); } void IN_MLookUp (void) { KeyUp (&in_mlook); if (!(in_mlook.state & 1) && lookspring->int_val) V_StartPitchDrift (); } void IN_UpDown (void) { KeyDown (&in_up); } void IN_UpUp (void) { KeyUp (&in_up); } void IN_DownDown (void) { KeyDown (&in_down); } void IN_DownUp (void) { KeyUp (&in_down); } void IN_LeftDown (void) { KeyDown (&in_left); } void IN_LeftUp (void) { KeyUp (&in_left); } void IN_RightDown (void) { KeyDown (&in_right); } void IN_RightUp (void) { KeyUp (&in_right); } void IN_ForwardDown (void) { KeyDown (&in_forward); } void IN_ForwardUp (void) { KeyUp (&in_forward); } void IN_BackDown (void) { KeyDown (&in_back); } void IN_BackUp (void) { KeyUp (&in_back); } void IN_LookupDown (void) { KeyDown (&in_lookup); } void IN_LookupUp (void) { KeyUp (&in_lookup); } void IN_LookdownDown (void) { KeyDown (&in_lookdown); } void IN_LookdownUp (void) { KeyUp (&in_lookdown); } void IN_MoveleftDown (void) { KeyDown (&in_moveleft); } void IN_MoveleftUp (void) { KeyUp (&in_moveleft); } void IN_MoverightDown (void) { KeyDown (&in_moveright); } void IN_MoverightUp (void) { KeyUp (&in_moveright); } void IN_SpeedDown (void) { KeyDown (&in_speed); } void IN_SpeedUp (void) { KeyUp (&in_speed); } void IN_StrafeDown (void) { KeyDown (&in_strafe); } void IN_StrafeUp (void) { KeyUp (&in_strafe); } void IN_AttackDown (void) { KeyDown (&in_attack); } void IN_AttackUp (void) { KeyUp (&in_attack); } void IN_UseDown (void) { KeyDown (&in_use); } void IN_UseUp (void) { KeyUp (&in_use); } void IN_JumpDown (void) { KeyDown (&in_jump); } void IN_JumpUp (void) { KeyUp (&in_jump); } void IN_Impulse (void) { in_impulse = atoi (Cmd_Argv (1)); } /* CL_KeyState Returns 0.25 if a key was pressed and released during the frame, 0.5 if it was pressed and held 0 if held then released, and 1.0 if held for the entire time */ float CL_KeyState (kbutton_t *key) { float val; qboolean impulsedown, impulseup, down; impulsedown = key->state & 2; impulseup = key->state & 4; down = key->state & 1; val = 0; if (impulsedown && !impulseup) { if (down) val = 0.5; // pressed and held this frame else val = 0; // I_Error (); } if (impulseup && !impulsedown) { if (down) val = 0; // I_Error (); else val = 0; // released this frame } if (!impulsedown && !impulseup) { if (down) val = 1.0; // held the entire frame else val = 0; // up the entire frame } if (impulsedown && impulseup) { if (down) val = 0.75; // released and re-pressed this frame else val = 0.25; // pressed and released this frame } key->state &= 1; // clear impulses return val; } cvar_t *cl_anglespeedkey; cvar_t *cl_backspeed; cvar_t *cl_forwardspeed; cvar_t *cl_movespeedkey; cvar_t *cl_pitchspeed; cvar_t *cl_sidespeed; cvar_t *cl_upspeed; cvar_t *cl_yawspeed; /* CL_AdjustAngles Moves the local angle positions */ void CL_AdjustAngles (void) { float speed, up, down; if (in_speed.state & 1) speed = host_frametime * cl_anglespeedkey->value; else speed = host_frametime; if (!(in_strafe.state & 1)) { cl.viewangles[YAW] -= speed * cl_yawspeed->value * CL_KeyState (&in_right); cl.viewangles[YAW] += speed * cl_yawspeed->value * CL_KeyState (&in_left); cl.viewangles[YAW] = anglemod (cl.viewangles[YAW]); } if (in_klook.state & 1) { V_StopPitchDrift (); cl.viewangles[PITCH] -= speed * cl_pitchspeed->value * CL_KeyState (&in_forward); cl.viewangles[PITCH] += speed * cl_pitchspeed->value * CL_KeyState (&in_back); } up = CL_KeyState (&in_lookup); down = CL_KeyState (&in_lookdown); cl.viewangles[PITCH] -= speed * cl_pitchspeed->value * up; cl.viewangles[PITCH] += speed * cl_pitchspeed->value * down; if (up || down) V_StopPitchDrift (); if (cl.viewangles[PITCH] > 80) cl.viewangles[PITCH] = 80; if (cl.viewangles[PITCH] < -70) cl.viewangles[PITCH] = -70; if (cl.viewangles[ROLL] > 50) cl.viewangles[ROLL] = 50; if (cl.viewangles[ROLL] < -50) cl.viewangles[ROLL] = -50; } /* CL_BaseMove Send the intended movement message to the server */ void CL_BaseMove (usercmd_t *cmd) { if (cls.signon != SIGNONS) return; CL_AdjustAngles (); memset (cmd, 0, sizeof (*cmd)); if (in_strafe.state & 1) { cmd->sidemove += cl_sidespeed->value * CL_KeyState (&in_right); cmd->sidemove -= cl_sidespeed->value * CL_KeyState (&in_left); } cmd->sidemove += cl_sidespeed->value * CL_KeyState (&in_moveright); cmd->sidemove -= cl_sidespeed->value * CL_KeyState (&in_moveleft); cmd->upmove += cl_upspeed->value * CL_KeyState (&in_up); cmd->upmove -= cl_upspeed->value * CL_KeyState (&in_down); if (!(in_klook.state & 1)) { cmd->forwardmove += cl_forwardspeed->value * CL_KeyState (&in_forward); cmd->forwardmove -= cl_backspeed->value * CL_KeyState (&in_back); } // adjust for speed key if (in_speed.state & 1) { cmd->forwardmove *= cl_movespeedkey->value; cmd->sidemove *= cl_movespeedkey->value; cmd->upmove *= cl_movespeedkey->value; } if (freelook) V_StopPitchDrift (); viewdelta.angles[0] = viewdelta.angles[1] = viewdelta.angles[2] = 0; viewdelta.position[0] = viewdelta.position[1] = viewdelta.position[2] = 0; IN_Move (); // adjust for chase camera angles if (chase_active->int_val == 2 || chase_active->int_val == 3) { vec3_t dir = {0,0,0}, forward, right, up; dir[1] = r_refdef.viewangles[1] - cl.viewangles[1]; AngleVectors (dir, forward, right, up); VectorScale (forward, cmd->forwardmove, forward); VectorScale (right, cmd->sidemove, right); VectorAdd (forward, right, dir); cmd->forwardmove = dir[0]; cmd->sidemove = dir[1]; } cmd->forwardmove += viewdelta.position[2] * m_forward->value; cmd->sidemove += viewdelta.position[0] * m_side->value; cmd->upmove += viewdelta.position[1]; cl.viewangles[PITCH] += viewdelta.angles[PITCH] * m_pitch->value; cl.viewangles[YAW] += viewdelta.angles[YAW] * m_yaw->value; cl.viewangles[ROLL] += viewdelta.angles[ROLL]; if (freelook && !(in_strafe.state & 1)) { cl.viewangles[PITCH] = bound (-70, cl.viewangles[PITCH], 80); } } void CL_SendMove (usercmd_t *cmd) { byte data[128]; int bits, i; sizebuf_t buf; buf.maxsize = 128; buf.cursize = 0; buf.data = data; cl.cmd = *cmd; // send the movement message MSG_WriteByte (&buf, clc_move); MSG_WriteFloat (&buf, cl.mtime[0]); // so server can get ping times for (i = 0; i < 3; i++) MSG_WriteAngle (&buf, cl.viewangles[i]); MSG_WriteShort (&buf, cmd->forwardmove); MSG_WriteShort (&buf, cmd->sidemove); MSG_WriteShort (&buf, cmd->upmove); // send button bits bits = 0; if (in_attack.state & 3) bits |= 1; in_attack.state &= ~2; if (in_jump.state & 3) bits |= 2; in_jump.state &= ~2; MSG_WriteByte (&buf, bits); MSG_WriteByte (&buf, in_impulse); in_impulse = 0; // deliver the message if (cls.demoplayback) return; // always dump the first two message, because it may contain leftover // inputs from the last level if (++cl.movemessages <= 2) return; if (NET_SendUnreliableMessage (cls.netcon, &buf) == -1) { Con_Printf ("CL_SendMove: lost server connection\n"); CL_Disconnect (); } } void CL_InitInput (void) { Cmd_AddCommand ("+moveup", IN_UpDown, "When active the player is swimming " "up in a liquid"); Cmd_AddCommand ("-moveup", IN_UpUp, "When active the player is not " "swimming up in a liquid"); Cmd_AddCommand ("+movedown", IN_DownDown, "When active the player is " "swimming down in a liquid"); Cmd_AddCommand ("-movedown", IN_DownUp, "When active the player is not " "swimming down in a liquid"); Cmd_AddCommand ("+left", IN_LeftDown, "When active the player is turning " "left"); Cmd_AddCommand ("-left", IN_LeftUp, "When active the player is not turning" " left"); Cmd_AddCommand ("+right", IN_RightDown, "When active the player is " "turning right"); Cmd_AddCommand ("-right", IN_RightUp, "When active the player is not " "turning right"); Cmd_AddCommand ("+forward", IN_ForwardDown, "When active the player is " "moving forward"); Cmd_AddCommand ("-forward", IN_ForwardUp, "When active the player is not " "moving forward"); Cmd_AddCommand ("+back", IN_BackDown, "When active the player is moving " "backwards"); Cmd_AddCommand ("-back", IN_BackUp, "When active the player is not " "moving backwards"); Cmd_AddCommand ("+lookup", IN_LookupDown, "When active the player's view " "is looking up"); Cmd_AddCommand ("-lookup", IN_LookupUp, "When active the player's view is " "not looking up"); Cmd_AddCommand ("+lookdown", IN_LookdownDown, "When active the player's " "view is looking down"); Cmd_AddCommand ("-lookdown", IN_LookdownUp, "When active the player's " "view is not looking up"); Cmd_AddCommand ("+strafe", IN_StrafeDown, "When active, +left and +right " "function like +moveleft and +moveright"); Cmd_AddCommand ("-strafe", IN_StrafeUp, "When active, +left and +right " "stop functioning like +moveleft and +moveright"); Cmd_AddCommand ("+moveleft", IN_MoveleftDown, "When active the player is " "strafing left"); Cmd_AddCommand ("-moveleft", IN_MoveleftUp, "When active the player is " "not strafing left"); Cmd_AddCommand ("+moveright", IN_MoverightDown, "When active the player " "is strafing right"); Cmd_AddCommand ("-moveright", IN_MoverightUp, "When active the player is " "not strafing right"); Cmd_AddCommand ("+speed", IN_SpeedDown, "When active the player is " "running"); Cmd_AddCommand ("-speed", IN_SpeedUp, "When active the player is not " "running"); Cmd_AddCommand ("+attack", IN_AttackDown, "When active player is " "firing/using current weapon"); Cmd_AddCommand ("-attack", IN_AttackUp, "When active player is not " "firing/using current weapon"); Cmd_AddCommand ("+use", IN_UseDown, "Non-functional. Left over command " "for opening doors and triggering switches"); Cmd_AddCommand ("-use", IN_UseUp, "Non-functional. Left over command for " "opening doors and triggering switches"); Cmd_AddCommand ("+jump", IN_JumpDown, "When active the player is jumping"); Cmd_AddCommand ("-jump", IN_JumpUp, "When active the player is not " "jumping"); Cmd_AddCommand ("impulse", IN_Impulse, "Call a game function or QuakeC " "function."); Cmd_AddCommand ("+klook", IN_KLookDown, "When active, +forward and +back " "perform +lookup and +lookdown"); Cmd_AddCommand ("-klook", IN_KLookUp, "When active, +forward and +back " "don't perform +lookup and +lookdown"); Cmd_AddCommand ("+mlook", IN_MLookDown, "When active moving the mouse or " "joystick forwards and backwards performs +lookup and " "+lookdown"); Cmd_AddCommand ("-mlook", IN_MLookUp, "When active moving the mouse or " "joystick forwards and backwards doesn't perform +lookup " "and +lookdown"); }