118 lines
3.3 KiB
Plaintext
118 lines
3.3 KiB
Plaintext
/*
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* Copyright (c) 2016-2021 Marco Cawthorne <marco@icculus.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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struct
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{
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float m_flSpeed;
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float m_flFracSin;
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float m_flTime;
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float m_flMove;
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float m_flDelta;
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int m_iCycle;
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} g_camBobVars[4], *pCamBob;
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/* tilts the camera for a head-bob like effect when moving */
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vector
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Camera_RunBob(vector camera_angle)
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{
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if (!autocvar(v_cambob, 1, "Enables bobbing effect for the first-person camera"))
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return camera_angle;
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int s = (float)getproperty(VF_ACTIVESEAT);
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pCamBob = &g_camBobVars[s];
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/* we don't really care about the vertical velocity */
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vector speed = pSeat->m_vecPredictedVelocity;
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speed[2] = 0.0f;
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pCamBob->m_flSpeed = vlen(speed);
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if (pCamBob->m_flSpeed > 330.0f)
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pCamBob->m_flSpeed = 330.0f;
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/* don't bother on low speeds */
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if ( pCamBob->m_flSpeed < 5.0f ) {
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pCamBob->m_flMove = 0.0f;
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pCamBob->m_flTime = 0.0f; /* progress has halted, start anew */
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return camera_angle;
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} else {
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pCamBob->m_flMove = frametime * (pCamBob->m_flSpeed * 0.01);
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}
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pCamBob->m_flTime = (pCamBob->m_flTime += pCamBob->m_flMove);
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pCamBob->m_flFracSin = fabs(sin(pCamBob->m_flTime * M_PI));
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pCamBob->m_iCycle = (int)pCamBob->m_flTime;
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pCamBob->m_flDelta = (pCamBob->m_flFracSin * 0.0025f) * pCamBob->m_flSpeed;
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camera_angle[0] += pCamBob->m_flDelta;
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if (pCamBob->m_iCycle & 1) {
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pCamBob->m_flDelta = -pCamBob->m_flDelta;
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}
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camera_angle[2] += pCamBob->m_flDelta;
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return camera_angle;
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}
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/* applies a tilt to the camera for when we're strafing left to right */
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vector
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Camera_StrafeRoll(vector camera_angle)
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{
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if (!autocvar(v_camroll, 0, "Enables strafe-roll for the first-person camera"))
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return camera_angle;
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float roll;
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makevectors(camera_angle);
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roll = dotproduct(pSeat->m_vecPredictedVelocity, v_right);
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roll *= 0.015f;
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camera_angle[2] += roll;
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return camera_angle;
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}
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vector
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Camera_AddLean(vector viewAngle)
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{
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vector shift = anglesToRight(viewAngle);
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vector output;
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vector srcPos;
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float heightChange;
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NSClientPlayer pl = (NSClientPlayer)pSeat->m_ePlayer;
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if (pSeat->m_iLeanDir > 0i) {
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pSeat->m_flLeaning += frametime * 5;
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} else if (pSeat->m_iLeanDir < 0i) {
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pSeat->m_flLeaning -= frametime * 5;
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} else {
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pSeat->m_flLeaning = lerp(pSeat->m_flLeaning, 0.0, frametime * 10);
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}
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if (pSeat->m_flLeaning > 1.0) {
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pSeat->m_flLeaning = 1.0f;
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}
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if (pSeat->m_flLeaning < -1.0) {
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pSeat->m_flLeaning = -1.0f;
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}
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heightChange = cos(pSeat->m_flLeaning) * 4;
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srcPos = pl.GetEyePos();
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output = shift * (pSeat->m_flLeaning * 15.0);
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tracebox(srcPos, [-8,-8,-8], [8,8,8], srcPos + output, MOVE_NORMAL, pl);
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return output * trace_fraction + (shift * -1.0) + [0, 0, heightChange];
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}
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