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-rw-r--r--QW/client/view.c1072
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diff --git a/QW/client/view.c b/QW/client/view.c
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+++ b/QW/client/view.c
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+/*
+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 the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+// view.c -- player eye positioning
+
+#include "quakedef.h"
+#include "r_local.h"
+
+/*
+
+The view is allowed to move slightly from it's true position for bobbing,
+but if it exceeds 8 pixels linear distance (spherical, not box), the list of
+entities sent from the server may not include everything in the pvs, especially
+when crossing a water boudnary.
+
+*/
+
+cvar_t lcd_x = {"lcd_x", "0"}; // FIXME: make this work sometime...
+
+cvar_t cl_rollspeed = {"cl_rollspeed", "200"};
+cvar_t cl_rollangle = {"cl_rollangle", "2.0"};
+
+cvar_t cl_bob = {"cl_bob","0.02", false};
+cvar_t cl_bobcycle = {"cl_bobcycle","0.6", false};
+cvar_t cl_bobup = {"cl_bobup","0.5", false};
+
+cvar_t v_kicktime = {"v_kicktime", "0.5", false};
+cvar_t v_kickroll = {"v_kickroll", "0.6", false};
+cvar_t v_kickpitch = {"v_kickpitch", "0.6", false};
+
+cvar_t v_iyaw_cycle = {"v_iyaw_cycle", "2", false};
+cvar_t v_iroll_cycle = {"v_iroll_cycle", "0.5", false};
+cvar_t v_ipitch_cycle = {"v_ipitch_cycle", "1", false};
+cvar_t v_iyaw_level = {"v_iyaw_level", "0.3", false};
+cvar_t v_iroll_level = {"v_iroll_level", "0.1", false};
+cvar_t v_ipitch_level = {"v_ipitch_level", "0.3", false};
+
+cvar_t v_idlescale = {"v_idlescale", "0", false};
+
+cvar_t crosshair = {"crosshair", "0", true};
+cvar_t crosshaircolor = {"crosshaircolor", "79", true};
+
+cvar_t cl_crossx = {"cl_crossx", "0", true};
+cvar_t cl_crossy = {"cl_crossy", "0", true};
+
+#ifdef GLQUAKE
+cvar_t gl_cshiftpercent = {"gl_cshiftpercent", "100", false};
+#endif
+
+cvar_t v_contentblend = {"v_contentblend", "1", false};
+
+float v_dmg_time, v_dmg_roll, v_dmg_pitch;
+
+extern int in_forward, in_forward2, in_back;
+
+frame_t *view_frame;
+player_state_t *view_message;
+
+/*
+===============
+V_CalcRoll
+
+===============
+*/
+float V_CalcRoll (vec3_t angles, vec3_t velocity)
+{
+ vec3_t forward, right, up;
+ float sign;
+ float side;
+ float value;
+
+ AngleVectors (angles, forward, right, up);
+ side = DotProduct (velocity, right);
+ sign = side < 0 ? -1 : 1;
+ side = fabs(side);
+
+ value = cl_rollangle.value;
+
+ if (side < cl_rollspeed.value)
+ side = side * value / cl_rollspeed.value;
+ else
+ side = value;
+
+ return side*sign;
+
+}
+
+
+/*
+===============
+V_CalcBob
+
+===============
+*/
+float V_CalcBob (void)
+{
+ static double bobtime;
+ static float bob;
+ float cycle;
+
+ if (cl.spectator)
+ return 0;
+
+ if (onground == -1)
+ return bob; // just use old value
+
+ bobtime += host_frametime;
+ cycle = bobtime - (int)(bobtime/cl_bobcycle.value)*cl_bobcycle.value;
+ cycle /= cl_bobcycle.value;
+ if (cycle < cl_bobup.value)
+ cycle = M_PI * cycle / cl_bobup.value;
+ else
+ cycle = M_PI + M_PI*(cycle-cl_bobup.value)/(1.0 - cl_bobup.value);
+
+// bob is proportional to simulated velocity in the xy plane
+// (don't count Z, or jumping messes it up)
+
+ bob = sqrt(cl.simvel[0]*cl.simvel[0] + cl.simvel[1]*cl.simvel[1]) * cl_bob.value;
+ bob = bob*0.3 + bob*0.7*sin(cycle);
+ if (bob > 4)
+ bob = 4;
+ else if (bob < -7)
+ bob = -7;
+ return bob;
+
+}
+
+
+//=============================================================================
+
+
+cvar_t v_centermove = {"v_centermove", "0.15", false};
+cvar_t v_centerspeed = {"v_centerspeed","500"};
+
+
+void V_StartPitchDrift (void)
+{
+#if 1
+ if (cl.laststop == cl.time)
+ {
+ return; // something else is keeping it from drifting
+ }
+#endif
+ if (cl.nodrift || !cl.pitchvel)
+ {
+ cl.pitchvel = v_centerspeed.value;
+ cl.nodrift = false;
+ cl.driftmove = 0;
+ }
+}
+
+void V_StopPitchDrift (void)
+{
+ cl.laststop = cl.time;
+ cl.nodrift = true;
+ cl.pitchvel = 0;
+}
+
+/*
+===============
+V_DriftPitch
+
+Moves the client pitch angle towards cl.idealpitch sent by the server.
+
+If the user is adjusting pitch manually, either with lookup/lookdown,
+mlook and mouse, or klook and keyboard, pitch drifting is constantly stopped.
+
+Drifting is enabled when the center view key is hit, mlook is released and
+lookspring is non 0, or when
+===============
+*/
+void V_DriftPitch (void)
+{
+ float delta, move;
+
+ if (view_message->onground == -1 || cls.demoplayback )
+ {
+ cl.driftmove = 0;
+ cl.pitchvel = 0;
+ return;
+ }
+
+// don't count small mouse motion
+ if (cl.nodrift)
+ {
+ if ( fabs(cl.frames[(cls.netchan.outgoing_sequence-1)&UPDATE_MASK].cmd.forwardmove) < 200)
+ cl.driftmove = 0;
+ else
+ cl.driftmove += host_frametime;
+
+ if ( cl.driftmove > v_centermove.value)
+ {
+ V_StartPitchDrift ();
+ }
+ return;
+ }
+
+ delta = 0 - cl.viewangles[PITCH];
+
+ if (!delta)
+ {
+ cl.pitchvel = 0;
+ return;
+ }
+
+ move = host_frametime * cl.pitchvel;
+ cl.pitchvel += host_frametime * v_centerspeed.value;
+
+//Con_Printf ("move: %f (%f)\n", move, host_frametime);
+
+ if (delta > 0)
+ {
+ if (move > delta)
+ {
+ cl.pitchvel = 0;
+ move = delta;
+ }
+ cl.viewangles[PITCH] += move;
+ }
+ else if (delta < 0)
+ {
+ if (move > -delta)
+ {
+ cl.pitchvel = 0;
+ move = -delta;
+ }
+ cl.viewangles[PITCH] -= move;
+ }
+}
+
+
+
+
+
+/*
+==============================================================================
+
+ PALETTE FLASHES
+
+==============================================================================
+*/
+
+
+cshift_t cshift_empty = { {130,80,50}, 0 };
+cshift_t cshift_water = { {130,80,50}, 128 };
+cshift_t cshift_slime = { {0,25,5}, 150 };
+cshift_t cshift_lava = { {255,80,0}, 150 };
+
+cvar_t v_gamma = {"gamma", "1", true};
+
+byte gammatable[256]; // palette is sent through this
+
+
+#ifdef GLQUAKE
+byte ramps[3][256];
+float v_blend[4]; // rgba 0.0 - 1.0
+#endif // GLQUAKE
+
+void BuildGammaTable (float g)
+{
+ int i, inf;
+
+ if (g == 1.0)
+ {
+ for (i=0 ; i<256 ; i++)
+ gammatable[i] = i;
+ return;
+ }
+
+ for (i=0 ; i<256 ; i++)
+ {
+ inf = 255 * pow ( (i+0.5)/255.5 , g ) + 0.5;
+ if (inf < 0)
+ inf = 0;
+ if (inf > 255)
+ inf = 255;
+ gammatable[i] = inf;
+ }
+}
+
+/*
+=================
+V_CheckGamma
+=================
+*/
+qboolean V_CheckGamma (void)
+{
+ static float oldgammavalue;
+
+ if (v_gamma.value == oldgammavalue)
+ return false;
+ oldgammavalue = v_gamma.value;
+
+ BuildGammaTable (v_gamma.value);
+ vid.recalc_refdef = 1; // force a surface cache flush
+
+ return true;
+}
+
+
+
+/*
+===============
+V_ParseDamage
+===============
+*/
+void V_ParseDamage (void)
+{
+ int armor, blood;
+ vec3_t from;
+ int i;
+ vec3_t forward, right, up;
+ float side;
+ float count;
+
+ armor = MSG_ReadByte ();
+ blood = MSG_ReadByte ();
+ for (i=0 ; i<3 ; i++)
+ from[i] = MSG_ReadCoord ();
+
+ count = blood*0.5 + armor*0.5;
+ if (count < 10)
+ count = 10;
+
+ cl.faceanimtime = cl.time + 0.2; // but sbar face into pain frame
+
+ cl.cshifts[CSHIFT_DAMAGE].percent += 3*count;
+ if (cl.cshifts[CSHIFT_DAMAGE].percent < 0)
+ cl.cshifts[CSHIFT_DAMAGE].percent = 0;
+ if (cl.cshifts[CSHIFT_DAMAGE].percent > 150)
+ cl.cshifts[CSHIFT_DAMAGE].percent = 150;
+
+ if (armor > blood)
+ {
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[0] = 200;
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[1] = 100;
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[2] = 100;
+ }
+ else if (armor)
+ {
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[0] = 220;
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[1] = 50;
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[2] = 50;
+ }
+ else
+ {
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[0] = 255;
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[1] = 0;
+ cl.cshifts[CSHIFT_DAMAGE].destcolor[2] = 0;
+ }
+
+//
+// calculate view angle kicks
+//
+ VectorSubtract (from, cl.simorg, from);
+ VectorNormalize (from);
+
+ AngleVectors (cl.simangles, forward, right, up);
+
+ side = DotProduct (from, right);
+ v_dmg_roll = count*side*v_kickroll.value;
+
+ side = DotProduct (from, forward);
+ v_dmg_pitch = count*side*v_kickpitch.value;
+
+ v_dmg_time = v_kicktime.value;
+}
+
+
+/*
+==================
+V_cshift_f
+==================
+*/
+void V_cshift_f (void)
+{
+ cshift_empty.destcolor[0] = atoi(Cmd_Argv(1));
+ cshift_empty.destcolor[1] = atoi(Cmd_Argv(2));
+ cshift_empty.destcolor[2] = atoi(Cmd_Argv(3));
+ cshift_empty.percent = atoi(Cmd_Argv(4));
+}
+
+
+/*
+==================
+V_BonusFlash_f
+
+When you run over an item, the server sends this command
+==================
+*/
+void V_BonusFlash_f (void)
+{
+ cl.cshifts[CSHIFT_BONUS].destcolor[0] = 215;
+ cl.cshifts[CSHIFT_BONUS].destcolor[1] = 186;
+ cl.cshifts[CSHIFT_BONUS].destcolor[2] = 69;
+ cl.cshifts[CSHIFT_BONUS].percent = 50;
+}
+
+/*
+=============
+V_SetContentsColor
+
+Underwater, lava, etc each has a color shift
+=============
+*/
+void V_SetContentsColor (int contents)
+{
+ if (!v_contentblend.value) {
+ cl.cshifts[CSHIFT_CONTENTS] = cshift_empty;
+ return;
+ }
+
+ switch (contents)
+ {
+ case CONTENTS_EMPTY:
+ cl.cshifts[CSHIFT_CONTENTS] = cshift_empty;
+ break;
+ case CONTENTS_LAVA:
+ cl.cshifts[CSHIFT_CONTENTS] = cshift_lava;
+ break;
+ case CONTENTS_SOLID:
+ case CONTENTS_SLIME:
+ cl.cshifts[CSHIFT_CONTENTS] = cshift_slime;
+ break;
+ default:
+ cl.cshifts[CSHIFT_CONTENTS] = cshift_water;
+ }
+}
+
+/*
+=============
+V_CalcPowerupCshift
+=============
+*/
+void V_CalcPowerupCshift (void)
+{
+ if (cl.stats[STAT_ITEMS] & IT_QUAD)
+ {
+ cl.cshifts[CSHIFT_POWERUP].destcolor[0] = 0;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[1] = 0;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[2] = 255;
+ cl.cshifts[CSHIFT_POWERUP].percent = 30;
+ }
+ else if (cl.stats[STAT_ITEMS] & IT_SUIT)
+ {
+ cl.cshifts[CSHIFT_POWERUP].destcolor[0] = 0;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[1] = 255;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[2] = 0;
+ cl.cshifts[CSHIFT_POWERUP].percent = 20;
+ }
+ else if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
+ {
+ cl.cshifts[CSHIFT_POWERUP].destcolor[0] = 100;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[1] = 100;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[2] = 100;
+ cl.cshifts[CSHIFT_POWERUP].percent = 100;
+ }
+ else if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
+ {
+ cl.cshifts[CSHIFT_POWERUP].destcolor[0] = 255;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[1] = 255;
+ cl.cshifts[CSHIFT_POWERUP].destcolor[2] = 0;
+ cl.cshifts[CSHIFT_POWERUP].percent = 30;
+ }
+ else
+ cl.cshifts[CSHIFT_POWERUP].percent = 0;
+}
+
+
+/*
+=============
+V_CalcBlend
+=============
+*/
+#ifdef GLQUAKE
+void V_CalcBlend (void)
+{
+ float r, g, b, a, a2;
+ int j;
+
+ r = 0;
+ g = 0;
+ b = 0;
+ a = 0;
+
+ for (j=0 ; j<NUM_CSHIFTS ; j++)
+ {
+ if (!gl_cshiftpercent.value)
+ continue;
+
+ a2 = ((cl.cshifts[j].percent * gl_cshiftpercent.value) / 100.0) / 255.0;
+
+// a2 = (cl.cshifts[j].percent/2)/255.0;
+ if (!a2)
+ continue;
+ a = a + a2*(1-a);
+//Con_Printf ("j:%i a:%f\n", j, a);
+ a2 = a2/a;
+ r = r*(1-a2) + cl.cshifts[j].destcolor[0]*a2;
+ g = g*(1-a2) + cl.cshifts[j].destcolor[1]*a2;
+ b = b*(1-a2) + cl.cshifts[j].destcolor[2]*a2;
+ }
+
+ v_blend[0] = r/255.0;
+ v_blend[1] = g/255.0;
+ v_blend[2] = b/255.0;
+ v_blend[3] = a;
+ if (v_blend[3] > 1)
+ v_blend[3] = 1;
+ if (v_blend[3] < 0)
+ v_blend[3] = 0;
+}
+#endif
+
+/*
+=============
+V_UpdatePalette
+=============
+*/
+#ifdef GLQUAKE
+void V_UpdatePalette (void)
+{
+ int i, j;
+ qboolean new;
+ byte *basepal, *newpal;
+ byte pal[768];
+ float r,g,b,a;
+ int ir, ig, ib;
+ qboolean force;
+
+ V_CalcPowerupCshift ();
+
+ new = false;
+
+ for (i=0 ; i<NUM_CSHIFTS ; i++)
+ {
+ if (cl.cshifts[i].percent != cl.prev_cshifts[i].percent)
+ {
+ new = true;
+ cl.prev_cshifts[i].percent = cl.cshifts[i].percent;
+ }
+ for (j=0 ; j<3 ; j++)
+ if (cl.cshifts[i].destcolor[j] != cl.prev_cshifts[i].destcolor[j])
+ {
+ new = true;
+ cl.prev_cshifts[i].destcolor[j] = cl.cshifts[i].destcolor[j];
+ }
+ }
+
+// drop the damage value
+ cl.cshifts[CSHIFT_DAMAGE].percent -= host_frametime*150;
+ if (cl.cshifts[CSHIFT_DAMAGE].percent <= 0)
+ cl.cshifts[CSHIFT_DAMAGE].percent = 0;
+
+// drop the bonus value
+ cl.cshifts[CSHIFT_BONUS].percent -= host_frametime*100;
+ if (cl.cshifts[CSHIFT_BONUS].percent <= 0)
+ cl.cshifts[CSHIFT_BONUS].percent = 0;
+
+ force = V_CheckGamma ();
+ if (!new && !force)
+ return;
+
+ V_CalcBlend ();
+
+//Con_Printf("b: %4.2f %4.2f %4.2f %4.6f\n", v_blend[0], v_blend[1], v_blend[2], v_blend[3]);
+
+ a = v_blend[3];
+ r = 255*v_blend[0]*a;
+ g = 255*v_blend[1]*a;
+ b = 255*v_blend[2]*a;
+
+ a = 1-a;
+ for (i=0 ; i<256 ; i++)
+ {
+ ir = i*a + r;
+ ig = i*a + g;
+ ib = i*a + b;
+ if (ir > 255)
+ ir = 255;
+ if (ig > 255)
+ ig = 255;
+ if (ib > 255)
+ ib = 255;
+
+ ramps[0][i] = gammatable[ir];
+ ramps[1][i] = gammatable[ig];
+ ramps[2][i] = gammatable[ib];
+ }
+
+ basepal = host_basepal;
+ newpal = pal;
+
+ for (i=0 ; i<256 ; i++)
+ {
+ ir = basepal[0];
+ ig = basepal[1];
+ ib = basepal[2];
+ basepal += 3;
+
+ newpal[0] = ramps[0][ir];
+ newpal[1] = ramps[1][ig];
+ newpal[2] = ramps[2][ib];
+ newpal += 3;
+ }
+
+ VID_ShiftPalette (pal);
+}
+#else // !GLQUAKE
+/*
+=============
+V_UpdatePalette
+=============
+*/
+void V_UpdatePalette (void)
+{
+ int i, j;
+ qboolean new;
+ byte *basepal, *newpal;
+ byte pal[768];
+ int r,g,b;
+ qboolean force;
+
+ V_CalcPowerupCshift ();
+
+ new = false;
+
+ for (i=0 ; i<NUM_CSHIFTS ; i++)
+ {
+ if (cl.cshifts[i].percent != cl.prev_cshifts[i].percent)
+ {
+ new = true;
+ cl.prev_cshifts[i].percent = cl.cshifts[i].percent;
+ }
+ for (j=0 ; j<3 ; j++)
+ if (cl.cshifts[i].destcolor[j] != cl.prev_cshifts[i].destcolor[j])
+ {
+ new = true;
+ cl.prev_cshifts[i].destcolor[j] = cl.cshifts[i].destcolor[j];
+ }
+ }
+
+// drop the damage value
+ cl.cshifts[CSHIFT_DAMAGE].percent -= host_frametime*150;
+ if (cl.cshifts[CSHIFT_DAMAGE].percent <= 0)
+ cl.cshifts[CSHIFT_DAMAGE].percent = 0;
+
+// drop the bonus value
+ cl.cshifts[CSHIFT_BONUS].percent -= host_frametime*100;
+ if (cl.cshifts[CSHIFT_BONUS].percent <= 0)
+ cl.cshifts[CSHIFT_BONUS].percent = 0;
+
+ force = V_CheckGamma ();
+ if (!new && !force)
+ return;
+
+ basepal = host_basepal;
+ newpal = pal;
+
+ for (i=0 ; i<256 ; i++)
+ {
+ r = basepal[0];
+ g = basepal[1];
+ b = basepal[2];
+ basepal += 3;
+
+ for (j=0 ; j<NUM_CSHIFTS ; j++)
+ {
+ r += (cl.cshifts[j].percent*(cl.cshifts[j].destcolor[0]-r))>>8;
+ g += (cl.cshifts[j].percent*(cl.cshifts[j].destcolor[1]-g))>>8;
+ b += (cl.cshifts[j].percent*(cl.cshifts[j].destcolor[2]-b))>>8;
+ }
+
+ newpal[0] = gammatable[r];
+ newpal[1] = gammatable[g];
+ newpal[2] = gammatable[b];
+ newpal += 3;
+ }
+
+ VID_ShiftPalette (pal);
+}
+
+#endif // !GLQUAKE
+
+/*
+==============================================================================
+
+ VIEW RENDERING
+
+==============================================================================
+*/
+
+float angledelta (float a)
+{
+ a = anglemod(a);
+ if (a > 180)
+ a -= 360;
+ return a;
+}
+
+/*
+==================
+CalcGunAngle
+==================
+*/
+void CalcGunAngle (void)
+{
+ float yaw, pitch, move;
+ static float oldyaw = 0;
+ static float oldpitch = 0;
+
+ yaw = r_refdef.viewangles[YAW];
+ pitch = -r_refdef.viewangles[PITCH];
+
+ yaw = angledelta(yaw - r_refdef.viewangles[YAW]) * 0.4;
+ if (yaw > 10)
+ yaw = 10;
+ if (yaw < -10)
+ yaw = -10;
+ pitch = angledelta(-pitch - r_refdef.viewangles[PITCH]) * 0.4;
+ if (pitch > 10)
+ pitch = 10;
+ if (pitch < -10)
+ pitch = -10;
+ move = host_frametime*20;
+ if (yaw > oldyaw)
+ {
+ if (oldyaw + move < yaw)
+ yaw = oldyaw + move;
+ }
+ else
+ {
+ if (oldyaw - move > yaw)
+ yaw = oldyaw - move;
+ }
+
+ if (pitch > oldpitch)
+ {
+ if (oldpitch + move < pitch)
+ pitch = oldpitch + move;
+ }
+ else
+ {
+ if (oldpitch - move > pitch)
+ pitch = oldpitch - move;
+ }
+
+ oldyaw = yaw;
+ oldpitch = pitch;
+
+ cl.viewent.angles[YAW] = r_refdef.viewangles[YAW] + yaw;
+ cl.viewent.angles[PITCH] = - (r_refdef.viewangles[PITCH] + pitch);
+}
+
+/*
+==============
+V_BoundOffsets
+==============
+*/
+void V_BoundOffsets (void)
+{
+// absolutely bound refresh reletive to entity clipping hull
+// so the view can never be inside a solid wall
+
+ if (r_refdef.vieworg[0] < cl.simorg[0] - 14)
+ r_refdef.vieworg[0] = cl.simorg[0] - 14;
+ else if (r_refdef.vieworg[0] > cl.simorg[0] + 14)
+ r_refdef.vieworg[0] = cl.simorg[0] + 14;
+ if (r_refdef.vieworg[1] < cl.simorg[1] - 14)
+ r_refdef.vieworg[1] = cl.simorg[1] - 14;
+ else if (r_refdef.vieworg[1] > cl.simorg[1] + 14)
+ r_refdef.vieworg[1] = cl.simorg[1] + 14;
+ if (r_refdef.vieworg[2] < cl.simorg[2] - 22)
+ r_refdef.vieworg[2] = cl.simorg[2] - 22;
+ else if (r_refdef.vieworg[2] > cl.simorg[2] + 30)
+ r_refdef.vieworg[2] = cl.simorg[2] + 30;
+}
+
+/*
+==============
+V_AddIdle
+
+Idle swaying
+==============
+*/
+void V_AddIdle (void)
+{
+ r_refdef.viewangles[ROLL] += v_idlescale.value * sin(cl.time*v_iroll_cycle.value) * v_iroll_level.value;
+ r_refdef.viewangles[PITCH] += v_idlescale.value * sin(cl.time*v_ipitch_cycle.value) * v_ipitch_level.value;
+ r_refdef.viewangles[YAW] += v_idlescale.value * sin(cl.time*v_iyaw_cycle.value) * v_iyaw_level.value;
+
+ cl.viewent.angles[ROLL] -= v_idlescale.value * sin(cl.time*v_iroll_cycle.value) * v_iroll_level.value;
+ cl.viewent.angles[PITCH] -= v_idlescale.value * sin(cl.time*v_ipitch_cycle.value) * v_ipitch_level.value;
+ cl.viewent.angles[YAW] -= v_idlescale.value * sin(cl.time*v_iyaw_cycle.value) * v_iyaw_level.value;
+}
+
+
+/*
+==============
+V_CalcViewRoll
+
+Roll is induced by movement and damage
+==============
+*/
+void V_CalcViewRoll (void)
+{
+ float side;
+
+ side = V_CalcRoll (cl.simangles, cl.simvel);
+ r_refdef.viewangles[ROLL] += side;
+
+ if (v_dmg_time > 0)
+ {
+ r_refdef.viewangles[ROLL] += v_dmg_time/v_kicktime.value*v_dmg_roll;
+ r_refdef.viewangles[PITCH] += v_dmg_time/v_kicktime.value*v_dmg_pitch;
+ v_dmg_time -= host_frametime;
+ }
+
+}
+
+
+/*
+==================
+V_CalcIntermissionRefdef
+
+==================
+*/
+void V_CalcIntermissionRefdef (void)
+{
+ entity_t *view;
+ float old;
+
+// view is the weapon model
+ view = &cl.viewent;
+
+ VectorCopy (cl.simorg, r_refdef.vieworg);
+ VectorCopy (cl.simangles, r_refdef.viewangles);
+ view->model = NULL;
+
+// allways idle in intermission
+ old = v_idlescale.value;
+ v_idlescale.value = 1;
+ V_AddIdle ();
+ v_idlescale.value = old;
+}
+
+/*
+==================
+V_CalcRefdef
+
+==================
+*/
+void V_CalcRefdef (void)
+{
+ entity_t *view;
+ int i;
+ vec3_t forward, right, up;
+ float bob;
+ static float oldz = 0;
+
+ V_DriftPitch ();
+
+// view is the weapon model (only visible from inside body)
+ view = &cl.viewent;
+
+ bob = V_CalcBob ();
+
+// refresh position from simulated origin
+ VectorCopy (cl.simorg, r_refdef.vieworg);
+
+ r_refdef.vieworg[2] += bob;
+
+// never let it sit exactly on a node line, because a water plane can
+// dissapear when viewed with the eye exactly on it.
+// the server protocol only specifies to 1/8 pixel, so add 1/16 in each axis
+ r_refdef.vieworg[0] += 1.0/16;
+ r_refdef.vieworg[1] += 1.0/16;
+ r_refdef.vieworg[2] += 1.0/16;
+
+ VectorCopy (cl.simangles, r_refdef.viewangles);
+ V_CalcViewRoll ();
+ V_AddIdle ();
+
+ if (view_message->flags & PF_GIB)
+ r_refdef.vieworg[2] += 8; // gib view height
+ else if (view_message->flags & PF_DEAD)
+ r_refdef.vieworg[2] -= 16; // corpse view height
+ else
+ r_refdef.vieworg[2] += 22; // view height
+
+ if (view_message->flags & PF_DEAD) // PF_GIB will also set PF_DEAD
+ r_refdef.viewangles[ROLL] = 80; // dead view angle
+
+
+// offsets
+ AngleVectors (cl.simangles, forward, right, up);
+
+// set up gun position
+ VectorCopy (cl.simangles, view->angles);
+
+ CalcGunAngle ();
+
+ VectorCopy (cl.simorg, view->origin);
+ view->origin[2] += 22;
+
+ for (i=0 ; i<3 ; i++)
+ {
+ view->origin[i] += forward[i]*bob*0.4;
+// view->origin[i] += right[i]*bob*0.4;
+// view->origin[i] += up[i]*bob*0.8;
+ }
+ view->origin[2] += bob;
+
+// fudge position around to keep amount of weapon visible
+// roughly equal with different FOV
+ if (scr_viewsize.value == 110)
+ view->origin[2] += 1;
+ else if (scr_viewsize.value == 100)
+ view->origin[2] += 2;
+ else if (scr_viewsize.value == 90)
+ view->origin[2] += 1;
+ else if (scr_viewsize.value == 80)
+ view->origin[2] += 0.5;
+
+ if (view_message->flags & (PF_GIB|PF_DEAD) )
+ view->model = NULL;
+ else
+ view->model = cl.model_precache[cl.stats[STAT_WEAPON]];
+ view->frame = view_message->weaponframe;
+ view->colormap = vid.colormap;
+
+// set up the refresh position
+ r_refdef.viewangles[PITCH] += cl.punchangle;
+
+// smooth out stair step ups
+ if ( (view_message->onground != -1) && (cl.simorg[2] - oldz > 0) )
+ {
+ float steptime;
+
+ steptime = host_frametime;
+
+ oldz += steptime * 80;
+ if (oldz > cl.simorg[2])
+ oldz = cl.simorg[2];
+ if (cl.simorg[2] - oldz > 12)
+ oldz = cl.simorg[2] - 12;
+ r_refdef.vieworg[2] += oldz - cl.simorg[2];
+ view->origin[2] += oldz - cl.simorg[2];
+ }
+ else
+ oldz = cl.simorg[2];
+}
+
+/*
+=============
+DropPunchAngle
+=============
+*/
+void DropPunchAngle (void)
+{
+ cl.punchangle -= 10*host_frametime;
+ if (cl.punchangle < 0)
+ cl.punchangle = 0;
+}
+
+/*
+==================
+V_RenderView
+
+The player's clipping box goes from (-16 -16 -24) to (16 16 32) from
+the entity origin, so any view position inside that will be valid
+==================
+*/
+extern vrect_t scr_vrect;
+
+void V_RenderView (void)
+{
+// if (cl.simangles[ROLL])
+// Sys_Error ("cl.simangles[ROLL]"); // DEBUG
+cl.simangles[ROLL] = 0; // FIXME @@@
+
+ if (cls.state != ca_active)
+ return;
+
+ view_frame = &cl.frames[cls.netchan.incoming_sequence & UPDATE_MASK];
+ view_message = &view_frame->playerstate[cl.playernum];
+
+ DropPunchAngle ();
+ if (cl.intermission)
+ { // intermission / finale rendering
+ V_CalcIntermissionRefdef ();
+ }
+ else
+ {
+ V_CalcRefdef ();
+ }
+
+ R_PushDlights ();
+ R_RenderView ();
+
+#ifndef GLQUAKE
+ if (crosshair.value)
+ Draw_Crosshair();
+#endif
+
+}
+
+//============================================================================
+
+/*
+=============
+V_Init
+=============
+*/
+void V_Init (void)
+{
+ Cmd_AddCommand ("v_cshift", V_cshift_f);
+ Cmd_AddCommand ("bf", V_BonusFlash_f);
+ Cmd_AddCommand ("centerview", V_StartPitchDrift);
+
+ Cvar_RegisterVariable (&v_centermove);
+ Cvar_RegisterVariable (&v_centerspeed);
+
+ Cvar_RegisterVariable (&v_iyaw_cycle);
+ Cvar_RegisterVariable (&v_iroll_cycle);
+ Cvar_RegisterVariable (&v_ipitch_cycle);
+ Cvar_RegisterVariable (&v_iyaw_level);
+ Cvar_RegisterVariable (&v_iroll_level);
+ Cvar_RegisterVariable (&v_ipitch_level);
+
+ Cvar_RegisterVariable (&v_contentblend);
+
+ Cvar_RegisterVariable (&v_idlescale);
+ Cvar_RegisterVariable (&crosshaircolor);
+ Cvar_RegisterVariable (&crosshair);
+ Cvar_RegisterVariable (&cl_crossx);
+ Cvar_RegisterVariable (&cl_crossy);
+#ifdef GLQUAKE
+ Cvar_RegisterVariable (&gl_cshiftpercent);
+#endif
+
+ Cvar_RegisterVariable (&cl_rollspeed);
+ Cvar_RegisterVariable (&cl_rollangle);
+ Cvar_RegisterVariable (&cl_bob);
+ Cvar_RegisterVariable (&cl_bobcycle);
+ Cvar_RegisterVariable (&cl_bobup);
+
+ Cvar_RegisterVariable (&v_kicktime);
+ Cvar_RegisterVariable (&v_kickroll);
+ Cvar_RegisterVariable (&v_kickpitch);
+
+ BuildGammaTable (1.0); // no gamma yet
+ Cvar_RegisterVariable (&v_gamma);
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2026-10-06 00:28:31 +0000