mirror of
https://github.com/DrBeef/Raze.git
synced 2024-11-29 23:42:33 +00:00
327 lines
11 KiB
C++
327 lines
11 KiB
C++
//-------------------------------------------------------------------------
|
|
/*
|
|
Copyright (C) 2019 Christoph Oelckers
|
|
Copyright (C) 2020 Mitchell Richters
|
|
|
|
This 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 the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
//-------------------------------------------------------------------------
|
|
|
|
#include "gamecontrol.h"
|
|
#include "gameinput.h"
|
|
#include "gamestruct.h"
|
|
#include "serializer.h"
|
|
#include "gamefuncs.h"
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Static constants used throughout functions.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
enum
|
|
{
|
|
BUILDTICRATE = 120,
|
|
TURBOTURNBASE = 590,
|
|
};
|
|
|
|
static constexpr double YAW_TURNSPEEDS[3] = { 41.1987304, 156.555175, 272.24121 };
|
|
static constexpr double YAW_PREAMBLESCALE = YAW_TURNSPEEDS[0] / YAW_TURNSPEEDS[1];
|
|
static constexpr double YAW_LOOKINGSPEED = 801.5625;
|
|
static constexpr double YAW_ROTATESPEED = 63.28125;
|
|
static constexpr double YAW_LOOKRETURN = 7.5;
|
|
static constexpr double YAW_SPINSTAND = 675.;
|
|
static constexpr double YAW_SPINCROUCH = YAW_SPINSTAND * 0.5;
|
|
static constexpr double PITCH_LOOKSPEED = 222.83185;
|
|
static constexpr double PITCH_AIMSPEED = PITCH_LOOKSPEED * 0.5;
|
|
static constexpr double PITCH_CENTERSPEED = 10.7375;
|
|
static constexpr double PITCH_HORIZOFFSPEED = 4.375;
|
|
static constexpr DAngle PITCH_CNTRSINEOFFSET = DAngle90 / 8.;
|
|
static constexpr DAngle PITCH_HORIZOFFCLIMB = DAngle::fromDeg(-38.);
|
|
static constexpr DAngle PITCH_HORIZOFFPUSH = DAngle::fromDeg(0.4476);
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Input scale helper functions.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
static inline double getTicrateScale(const double value)
|
|
{
|
|
return value / GameTicRate;
|
|
}
|
|
|
|
static inline DAngle getscaledangle(const DAngle angle, const double scale, const DAngle push)
|
|
{
|
|
return (angle.Normalized180() * getTicrateScale(scale)) + push;
|
|
}
|
|
|
|
static inline void scaletozero(DAngle& angle, const double scale, const DAngle push = DAngle::fromDeg(32. / 465.))
|
|
{
|
|
if (auto sgn = angle.Sgn())
|
|
{
|
|
angle -= getscaledangle(angle, scale, push * sgn);
|
|
if (sgn != angle.Sgn()) angle = nullAngle;
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Functions for determining whether its turbo turn time (turn key held for a number of tics).
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
static double turnheldtime;
|
|
|
|
void updateTurnHeldAmt(double const scaleAdjust)
|
|
{
|
|
turnheldtime += getTicrateScale(BUILDTICRATE) * scaleAdjust;
|
|
}
|
|
|
|
bool isTurboTurnTime()
|
|
{
|
|
return turnheldtime >= getTicrateScale(TURBOTURNBASE);
|
|
}
|
|
|
|
void resetTurnHeldAmt()
|
|
{
|
|
turnheldtime = 0;
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Player's movement function, called from game's ticker or from gi->GetInput() as required.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
void processMovement(InputPacket* const currInput, InputPacket* const inputBuffer, ControlInfo* const hidInput, double const scaleAdjust, int const drink_amt, bool const allowstrafe, double const turnscale)
|
|
{
|
|
// set up variables.
|
|
int const keymove = 1 << int(!!(inputBuffer->actions & SB_RUN));
|
|
float const hidspeed = float(getTicrateScale(YAW_TURNSPEEDS[2]) * turnscale);
|
|
float const scaleAdjustf = float(scaleAdjust);
|
|
|
|
// determine player input.
|
|
auto const turning = buttonMap.ButtonDown(gamefunc_Turn_Right) - buttonMap.ButtonDown(gamefunc_Turn_Left);
|
|
auto const moving = buttonMap.ButtonDown(gamefunc_Move_Forward) - buttonMap.ButtonDown(gamefunc_Move_Backward) + hidInput->dz * scaleAdjustf;
|
|
auto const strafing = buttonMap.ButtonDown(gamefunc_Strafe_Right) - buttonMap.ButtonDown(gamefunc_Strafe_Left) - hidInput->dx * scaleAdjustf;
|
|
|
|
// process player angle input.
|
|
if (!(buttonMap.ButtonDown(gamefunc_Strafe) && allowstrafe))
|
|
{
|
|
float const turndir = clamp(turning + strafing * !allowstrafe, -1.f, 1.f);
|
|
float const turnspeed = float(getTicrateScale(YAW_TURNSPEEDS[keymove]) * turnscale * (isTurboTurnTime() ? 1. : YAW_PREAMBLESCALE));
|
|
currInput->avel += hidInput->mouseturnx + (hidInput->dyaw * hidspeed + turndir * turnspeed) * scaleAdjustf;
|
|
if (turndir) updateTurnHeldAmt(scaleAdjust); else resetTurnHeldAmt();
|
|
}
|
|
else
|
|
{
|
|
currInput->svel += hidInput->mousemovex + (hidInput->dyaw + turning) * keymove * scaleAdjustf;
|
|
}
|
|
|
|
// process player pitch input.
|
|
if (!(inputBuffer->actions & SB_AIMMODE))
|
|
currInput->horz += hidInput->mouseturny + hidInput->dpitch * hidspeed * scaleAdjustf;
|
|
else
|
|
currInput->fvel -= hidInput->mousemovey + hidInput->dpitch * keymove * scaleAdjustf;
|
|
|
|
// process movement input.
|
|
currInput->fvel += moving * keymove;
|
|
currInput->svel += strafing * keymove * allowstrafe;
|
|
|
|
// process RR's drunk state.
|
|
if (isRR() && drink_amt >= 66 && drink_amt <= 87)
|
|
currInput->svel += drink_amt & 1 ? -currInput->fvel : currInput->fvel;
|
|
|
|
// add collected input to game's local input accumulation packet.
|
|
inputBuffer->fvel = clamp(inputBuffer->fvel + currInput->fvel, -(float)keymove, (float)keymove);
|
|
inputBuffer->svel = clamp(inputBuffer->svel + currInput->svel, -(float)keymove, (float)keymove);
|
|
inputBuffer->avel = clamp(inputBuffer->avel + currInput->avel, -179.f, 179.f);
|
|
inputBuffer->horz = clamp(inputBuffer->horz + currInput->horz, -179.f, 179.f);
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Adjust player's pitch by way of keyboard input.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
void PlayerAngles::doPitchKeys(ESyncBits* actions, const bool stopcentering)
|
|
{
|
|
// Cancel return to center if conditions met.
|
|
if (stopcentering) *actions &= ~SB_CENTERVIEW;
|
|
|
|
// Process keyboard input.
|
|
if (auto aiming = !!(*actions & SB_AIM_DOWN) - !!(*actions & SB_AIM_UP))
|
|
{
|
|
pActor->spr.Angles.Pitch += DAngle::fromDeg(getTicrateScale(PITCH_AIMSPEED)) * aiming;
|
|
*actions &= ~SB_CENTERVIEW;
|
|
}
|
|
if (auto looking = !!(*actions & SB_LOOK_DOWN) - !!(*actions & SB_LOOK_UP))
|
|
{
|
|
pActor->spr.Angles.Pitch += DAngle::fromDeg(getTicrateScale(PITCH_LOOKSPEED)) * looking;
|
|
*actions |= SB_CENTERVIEW;
|
|
}
|
|
|
|
// Do return to centre.
|
|
if ((*actions & SB_CENTERVIEW) && !(*actions & (SB_LOOK_UP|SB_LOOK_DOWN)))
|
|
{
|
|
const auto pitch = abs(pActor->spr.Angles.Pitch);
|
|
const auto scale = pitch > PITCH_CNTRSINEOFFSET ? (pitch - PITCH_CNTRSINEOFFSET).Cos() : 1.;
|
|
scaletozero(pActor->spr.Angles.Pitch, PITCH_CENTERSPEED * scale);
|
|
if (!pActor->spr.Angles.Pitch.Sgn()) *actions &= ~SB_CENTERVIEW;
|
|
}
|
|
|
|
// clamp before we finish, even if it's clamped in the drawer.
|
|
pActor->spr.Angles.Pitch = ClampViewPitch(pActor->spr.Angles.Pitch);
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Adjust player's yaw by way of keyboard input.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
void PlayerAngles::doYawKeys(ESyncBits* actions)
|
|
{
|
|
if (*actions & SB_TURNAROUND)
|
|
{
|
|
if (YawSpin == nullAngle)
|
|
{
|
|
// currently not spinning, so start a spin
|
|
YawSpin = -DAngle180;
|
|
}
|
|
*actions &= ~SB_TURNAROUND;
|
|
}
|
|
|
|
if (YawSpin < nullAngle)
|
|
{
|
|
// return spin to 0
|
|
DAngle add = DAngle::fromDeg(getTicrateScale(!(*actions & SB_CROUCH) ? YAW_SPINSTAND : YAW_SPINCROUCH));
|
|
YawSpin += add;
|
|
if (YawSpin > nullAngle)
|
|
{
|
|
// Don't overshoot our target. With variable factor this is possible.
|
|
add -= YawSpin;
|
|
YawSpin = nullAngle;
|
|
}
|
|
pActor->spr.Angles.Yaw += add;
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Player's slope tilt when playing without a mouse and on a slope.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
void PlayerAngles::doViewPitch(const DVector2& pos, DAngle const ang, bool const aimmode, bool const canslopetilt, sectortype* const cursectnum, bool const climbing)
|
|
{
|
|
if (cl_slopetilting && cursectnum != nullptr)
|
|
{
|
|
if (aimmode && canslopetilt) // If the floor is sloped
|
|
{
|
|
// Get a point, 512 (64 for Blood) units ahead of player's position
|
|
auto rotpt = pos + ang.ToVector() * (isBlood() ? 4 : 32);
|
|
auto tempsect = cursectnum;
|
|
updatesector(rotpt, &tempsect);
|
|
|
|
if (tempsect != nullptr) // If the new point is inside a valid sector...
|
|
{
|
|
// Get the floorz as if the new (x,y) point was still in
|
|
// your sector, unless it's Blood.
|
|
double const j = getflorzofslopeptr(cursectnum, pos);
|
|
double const k = getflorzofslopeptr(!isBlood() ? cursectnum : tempsect, rotpt);
|
|
|
|
// If extended point is in same sector as you or the slopes
|
|
// of the sector of the extended point and your sector match
|
|
// closely (to avoid accidently looking straight out when
|
|
// you're at the edge of a sector line) then adjust horizon
|
|
// accordingly
|
|
if (cursectnum == tempsect || (!isBlood() && abs(getflorzofslopeptr(tempsect, rotpt) - k) <= 4))
|
|
{
|
|
ViewAngles.Pitch -= maphoriz((j - k) * (!isBlood() ? 0.625 : 5.5));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (climbing)
|
|
{
|
|
// tilt when climbing but you can't even really tell it.
|
|
if (ViewAngles.Pitch > PITCH_HORIZOFFCLIMB) ViewAngles.Pitch += getscaledangle(deltaangle(ViewAngles.Pitch, PITCH_HORIZOFFCLIMB), PITCH_HORIZOFFSPEED, PITCH_HORIZOFFPUSH);
|
|
}
|
|
else
|
|
{
|
|
// Make horizoff grow towards 0 since horizoff is not modified when you're not on a slope.
|
|
scaletozero(ViewAngles.Pitch, PITCH_HORIZOFFSPEED, PITCH_HORIZOFFPUSH);
|
|
}
|
|
|
|
// Clamp off against the maximum allowed pitch.
|
|
ViewAngles.Pitch = ClampViewPitch(ViewAngles.Pitch);
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Player's look left/right key angle handler.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
void PlayerAngles::doViewYaw(const ESyncBits actions)
|
|
{
|
|
// Process angle return to zeros.
|
|
scaletozero(ViewAngles.Yaw, YAW_LOOKRETURN);
|
|
scaletozero(ViewAngles.Roll, YAW_LOOKRETURN);
|
|
|
|
// Process keyboard input.
|
|
if (auto looking = !!(actions & SB_LOOK_RIGHT) - !!(actions & SB_LOOK_LEFT))
|
|
{
|
|
ViewAngles.Yaw += DAngle::fromDeg(getTicrateScale(YAW_LOOKINGSPEED)) * looking;
|
|
ViewAngles.Roll += DAngle::fromDeg(getTicrateScale(YAW_ROTATESPEED)) * looking;
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
//
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
FSerializer& Serialize(FSerializer& arc, const char* keyname, PlayerAngles& w, PlayerAngles* def)
|
|
{
|
|
if (arc.BeginObject(keyname))
|
|
{
|
|
arc("viewangles", w.ViewAngles)
|
|
("spin", w.YawSpin)
|
|
("actor", w.pActor)
|
|
.EndObject();
|
|
|
|
if (arc.isReading())
|
|
{
|
|
w.resetRenderAngles();
|
|
}
|
|
}
|
|
return arc;
|
|
}
|