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Diffstat (limited to 'src/cgame/cg_view.c')
| -rw-r--r-- | src/cgame/cg_view.c | 976 |
1 files changed, 0 insertions, 976 deletions
diff --git a/src/cgame/cg_view.c b/src/cgame/cg_view.c deleted file mode 100644 index e4550a71..00000000 --- a/src/cgame/cg_view.c +++ /dev/null @@ -1,976 +0,0 @@ -// Copyright (C) 1999-2000 Id Software, Inc. -// -// cg_view.c -- setup all the parameters (position, angle, etc) -// for a 3D rendering - -/* - * Portions Copyright (C) 2000-2001 Tim Angus - * - * 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, 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. - */ - -/* To assertain which portions are licensed under the GPL and which are - * licensed by Id Software, Inc. please run a diff between the equivalent - * versions of the "Tremulous" modification and the unmodified "Quake3" - * game source code. - */ - -#include "cg_local.h" - - -/* -============================================================================= - - MODEL TESTING - -The viewthing and gun positioning tools from Q2 have been integrated and -enhanced into a single model testing facility. - -Model viewing can begin with either "testmodel <modelname>" or "testgun <modelname>". - -The names must be the full pathname after the basedir, like -"models/weapons/v_launch/tris.md3" or "players/male/tris.md3" - -Testmodel will create a fake entity 100 units in front of the current view -position, directly facing the viewer. It will remain immobile, so you can -move around it to view it from different angles. - -Testgun will cause the model to follow the player around and supress the real -view weapon model. The default frame 0 of most guns is completely off screen, -so you will probably have to cycle a couple frames to see it. - -"nextframe", "prevframe", "nextskin", and "prevskin" commands will change the -frame or skin of the testmodel. These are bound to F5, F6, F7, and F8 in -q3default.cfg. - -If a gun is being tested, the "gun_x", "gun_y", and "gun_z" variables will let -you adjust the positioning. - -Note that none of the model testing features update while the game is paused, so -it may be convenient to test with deathmatch set to 1 so that bringing down the -console doesn't pause the game. - -============================================================================= -*/ - -/* -================= -CG_TestModel_f - -Creates an entity in front of the current position, which -can then be moved around -================= -*/ -void CG_TestModel_f (void) { - vec3_t angles; - - memset( &cg.testModelEntity, 0, sizeof(cg.testModelEntity) ); - if ( trap_Argc() < 2 ) { - return; - } - - Q_strncpyz (cg.testModelName, CG_Argv( 1 ), MAX_QPATH ); - cg.testModelEntity.hModel = trap_R_RegisterModel( cg.testModelName ); - - if ( trap_Argc() == 3 ) { - cg.testModelEntity.backlerp = atof( CG_Argv( 2 ) ); - cg.testModelEntity.frame = 1; - cg.testModelEntity.oldframe = 0; - } - if (! cg.testModelEntity.hModel ) { - CG_Printf( "Can't register model\n" ); - return; - } - - VectorMA( cg.refdef.vieworg, 100, cg.refdef.viewaxis[0], cg.testModelEntity.origin ); - - angles[PITCH] = 0; - angles[YAW] = 180 + cg.refdefViewAngles[1]; - angles[ROLL] = 0; - - AnglesToAxis( angles, cg.testModelEntity.axis ); - cg.testGun = qfalse; -} - -/* -================= -CG_TestGun_f - -Replaces the current view weapon with the given model -================= -*/ -void CG_TestGun_f (void) { - CG_TestModel_f(); - cg.testGun = qtrue; - cg.testModelEntity.renderfx = RF_MINLIGHT | RF_DEPTHHACK | RF_FIRST_PERSON; -} - - -void CG_TestModelNextFrame_f (void) { - cg.testModelEntity.frame++; - CG_Printf( "frame %i\n", cg.testModelEntity.frame ); -} - -void CG_TestModelPrevFrame_f (void) { - cg.testModelEntity.frame--; - if ( cg.testModelEntity.frame < 0 ) { - cg.testModelEntity.frame = 0; - } - CG_Printf( "frame %i\n", cg.testModelEntity.frame ); -} - -void CG_TestModelNextSkin_f (void) { - cg.testModelEntity.skinNum++; - CG_Printf( "skin %i\n", cg.testModelEntity.skinNum ); -} - -void CG_TestModelPrevSkin_f (void) { - cg.testModelEntity.skinNum--; - if ( cg.testModelEntity.skinNum < 0 ) { - cg.testModelEntity.skinNum = 0; - } - CG_Printf( "skin %i\n", cg.testModelEntity.skinNum ); -} - -static void CG_AddTestModel (void) { - int i; - - // re-register the model, because the level may have changed - cg.testModelEntity.hModel = trap_R_RegisterModel( cg.testModelName ); - if (! cg.testModelEntity.hModel ) { - CG_Printf ("Can't register model\n"); - return; - } - - // if testing a gun, set the origin reletive to the view origin - if ( cg.testGun ) { - VectorCopy( cg.refdef.vieworg, cg.testModelEntity.origin ); - VectorCopy( cg.refdef.viewaxis[0], cg.testModelEntity.axis[0] ); - VectorCopy( cg.refdef.viewaxis[1], cg.testModelEntity.axis[1] ); - VectorCopy( cg.refdef.viewaxis[2], cg.testModelEntity.axis[2] ); - - // allow the position to be adjusted - for (i=0 ; i<3 ; i++) { - cg.testModelEntity.origin[i] += cg.refdef.viewaxis[0][i] * cg_gun_x.value; - cg.testModelEntity.origin[i] += cg.refdef.viewaxis[1][i] * cg_gun_y.value; - cg.testModelEntity.origin[i] += cg.refdef.viewaxis[2][i] * cg_gun_z.value; - } - } - - trap_R_AddRefEntityToScene( &cg.testModelEntity ); -} - - - -//============================================================================ - - -/* -================= -CG_CalcVrect - -Sets the coordinates of the rendered window -================= -*/ -static void CG_CalcVrect (void) { - int size; - - // the intermission should allways be full screen - if ( cg.snap->ps.pm_type == PM_INTERMISSION ) { - size = 100; - } else { - // bound normal viewsize - if (cg_viewsize.integer < 30) { - trap_Cvar_Set ("cg_viewsize","30"); - size = 30; - } else if (cg_viewsize.integer > 100) { - trap_Cvar_Set ("cg_viewsize","100"); - size = 100; - } else { - size = cg_viewsize.integer; - } - - } - cg.refdef.width = cgs.glconfig.vidWidth*size/100; - cg.refdef.width &= ~1; - - cg.refdef.height = cgs.glconfig.vidHeight*size/100; - cg.refdef.height &= ~1; - - cg.refdef.x = (cgs.glconfig.vidWidth - cg.refdef.width)/2; - cg.refdef.y = (cgs.glconfig.vidHeight - cg.refdef.height)/2; -} - -//============================================================================== - - -/* -=============== -CG_OffsetThirdPersonView - -=============== -*/ -#define FOCUS_DISTANCE 512 -static void CG_OffsetThirdPersonView( void ) { - vec3_t forward, right, up; - vec3_t view; - vec3_t focusAngles; - trace_t trace; - static vec3_t mins = { -4, -4, -4 }; - static vec3_t maxs = { 4, 4, 4 }; - vec3_t focusPoint; - float focusDist; - float forwardScale, sideScale; - - //TA: when wall climbing the viewheight is not straight up - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBING ) - VectorMA( cg.refdef.vieworg, cg.predictedPlayerState.viewheight, cg.predictedPlayerState.grapplePoint, cg.refdef.vieworg ); - else - cg.refdef.vieworg[2] += cg.predictedPlayerState.viewheight; - - VectorCopy( cg.refdefViewAngles, focusAngles ); - - // if dead, look at killer - if ( cg.predictedPlayerState.stats[STAT_HEALTH] <= 0 ) { - focusAngles[YAW] = cg.predictedPlayerState.stats[STAT_DEAD_YAW]; - cg.refdefViewAngles[YAW] = cg.predictedPlayerState.stats[STAT_DEAD_YAW]; - } - - //if ( focusAngles[PITCH] > 45 ) { - // focusAngles[PITCH] = 45; // don't go too far overhead - //} - AngleVectors( focusAngles, forward, NULL, NULL ); - - VectorMA( cg.refdef.vieworg, FOCUS_DISTANCE, forward, focusPoint ); - - VectorCopy( cg.refdef.vieworg, view ); - - //TA: when wall climbing the viewheight is not straight up - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBING ) - VectorMA( view, 8, cg.predictedPlayerState.grapplePoint, view ); - else - view[2] += 8; - - //cg.refdefViewAngles[PITCH] *= 0.5; - - AngleVectors( cg.refdefViewAngles, forward, right, up ); - - forwardScale = cos( cg_thirdPersonAngle.value / 180 * M_PI ); - sideScale = sin( cg_thirdPersonAngle.value / 180 * M_PI ); - VectorMA( view, -cg_thirdPersonRange.value * forwardScale, forward, view ); - VectorMA( view, -cg_thirdPersonRange.value * sideScale, right, view ); - - // trace a ray from the origin to the viewpoint to make sure the view isn't - // in a solid block. Use an 8 by 8 block to prevent the view from near clipping anything - - if (!cg_cameraMode.integer) { - CG_Trace( &trace, cg.refdef.vieworg, mins, maxs, view, cg.predictedPlayerState.clientNum, MASK_SOLID ); - - if ( trace.fraction != 1.0 ) { - VectorCopy( trace.endpos, view ); - view[2] += (1.0 - trace.fraction) * 32; - // try another trace to this position, because a tunnel may have the ceiling - // close enogh that this is poking out - - CG_Trace( &trace, cg.refdef.vieworg, mins, maxs, view, cg.predictedPlayerState.clientNum, MASK_SOLID ); - VectorCopy( trace.endpos, view ); - } - } - - VectorCopy( view, cg.refdef.vieworg ); - - // select pitch to look at focus point from vieword - VectorSubtract( focusPoint, cg.refdef.vieworg, focusPoint ); - focusDist = sqrt( focusPoint[0] * focusPoint[0] + focusPoint[1] * focusPoint[1] ); - if ( focusDist < 1 ) { - focusDist = 1; // should never happen - } - cg.refdefViewAngles[PITCH] = -180 / M_PI * atan2( focusPoint[2], focusDist ); - cg.refdefViewAngles[YAW] -= cg_thirdPersonAngle.value; -} - - -// this causes a compiler bug on mac MrC compiler -static void CG_StepOffset( void ) { - int timeDelta; - int steptime; - - BG_unpackAttributes( NULL, NULL, &steptime, cg.predictedPlayerState.stats ); - - // smooth out stair climbing - timeDelta = cg.time - cg.stepTime; - if ( timeDelta < steptime ) { - cg.refdef.vieworg[2] -= cg.stepChange - * (steptime - timeDelta) / steptime; - } -} - -/* -=============== -CG_OffsetFirstPersonView - -=============== -*/ -static void CG_OffsetFirstPersonView( void ) { - float *origin; - float *angles; - float bob; - float ratio; - float delta; - float speed; - float f; - vec3_t predictedVelocity; - int timeDelta; - int bob2; - - if ( cg.snap->ps.pm_type == PM_INTERMISSION ) { - return; - } - - origin = cg.refdef.vieworg; - angles = cg.refdefViewAngles; - - // if dead, fix the angle and don't add any kick - if ( cg.snap->ps.stats[STAT_HEALTH] <= 0 ) { - angles[ROLL] = 40; - angles[PITCH] = -15; - angles[YAW] = cg.snap->ps.stats[STAT_DEAD_YAW]; - origin[2] += cg.predictedPlayerState.viewheight; - return; - } - - // add angles based on weapon kick - VectorAdd (angles, cg.kick_angles, angles); - - // add angles based on damage kick - if ( cg.damageTime ) { - ratio = cg.time - cg.damageTime; - if ( ratio < DAMAGE_DEFLECT_TIME ) { - ratio /= DAMAGE_DEFLECT_TIME; - angles[PITCH] += ratio * cg.v_dmg_pitch; - angles[ROLL] += ratio * cg.v_dmg_roll; - } else { - ratio = 1.0 - ( ratio - DAMAGE_DEFLECT_TIME ) / DAMAGE_RETURN_TIME; - if ( ratio > 0 ) { - angles[PITCH] += ratio * cg.v_dmg_pitch; - angles[ROLL] += ratio * cg.v_dmg_roll; - } - } - } - - // add pitch based on fall kick -#if 0 - ratio = ( cg.time - cg.landTime) / FALL_TIME; - if (ratio < 0) - ratio = 0; - angles[PITCH] += ratio * cg.fall_value; -#endif - - // add angles based on velocity - VectorCopy( cg.predictedPlayerState.velocity, predictedVelocity ); - - delta = DotProduct ( predictedVelocity, cg.refdef.viewaxis[0]); - angles[PITCH] += delta * cg_runpitch.value; - - delta = DotProduct ( predictedVelocity, cg.refdef.viewaxis[1]); - angles[ROLL] -= delta * cg_runroll.value; - - // add angles based on bob - //TA: bob amount is class dependant - BG_unpackAttributes( NULL, &bob2, NULL, cg.predictedPlayerState.stats ); - if( bob2 != 0 ) - { - // make sure the bob is visible even at low speeds - speed = cg.xyspeed > 200 ? cg.xyspeed : 200; - - delta = cg.bobfracsin * ( bob2 / 1000.0 ) * speed; - if (cg.predictedPlayerState.pm_flags & PMF_DUCKED) - delta *= 3; // crouching - angles[PITCH] += delta; - delta = cg.bobfracsin * ( bob2 / 1000.0 ) * speed; - if (cg.predictedPlayerState.pm_flags & PMF_DUCKED) - delta *= 3; // crouching accentuates roll - if (cg.bobcycle & 1) - delta = -delta; - angles[ROLL] += delta; - } - - //TA: this *feels* more realisitic for humans - if( cg.predictedPlayerState.stats[ STAT_PTEAM ] == PTE_HUMANS ) - { - angles[PITCH] += cg.bobfracsin * bob2 * 0.5; - - //TA: heavy breathing effects - if( cg.predictedPlayerState.stats[ STAT_STAMINA ] < 0 ) - { - float deltaBreath = (float)( - cg.predictedPlayerState.stats[ STAT_STAMINA ] < 0 ? - -cg.predictedPlayerState.stats[ STAT_STAMINA ] : - cg.predictedPlayerState.stats[ STAT_STAMINA ] ) / 200.0; - float deltaAngle = cos( (float)cg.time/150.0 ) * deltaBreath; - - deltaAngle += ( deltaAngle < 0 ? -deltaAngle : deltaAngle ) * 0.5; - - angles[ PITCH ] -= deltaAngle; - } - } - -//=================================== - - // add view height - //TA: when wall climbing the viewheight is not straight up - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBING ) - VectorMA( origin, cg.predictedPlayerState.viewheight, cg.predictedPlayerState.grapplePoint, origin ); - else - origin[2] += cg.predictedPlayerState.viewheight; - - // smooth out duck height changes - timeDelta = cg.time - cg.duckTime; - if ( timeDelta < DUCK_TIME) { - cg.refdef.vieworg[2] -= cg.duckChange - * (DUCK_TIME - timeDelta) / DUCK_TIME; - } - - // add bob height - bob = cg.bobfracsin * cg.xyspeed * cg_bobup.value; - if (bob > 6) { - bob = 6; - } - - //TA: likewise for bob - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBING ) - VectorMA( origin, bob, cg.predictedPlayerState.grapplePoint, origin ); - else - origin[2] += bob; - - - // add fall height - delta = cg.time - cg.landTime; - if ( delta < LAND_DEFLECT_TIME ) { - f = delta / LAND_DEFLECT_TIME; - cg.refdef.vieworg[2] += cg.landChange * f; - } else if ( delta < LAND_DEFLECT_TIME + LAND_RETURN_TIME ) { - delta -= LAND_DEFLECT_TIME; - f = 1.0 - ( delta / LAND_RETURN_TIME ); - cg.refdef.vieworg[2] += cg.landChange * f; - } - - // add step offset - CG_StepOffset(); - - // add kick offset - - VectorAdd (origin, cg.kick_origin, origin); - - // pivot the eye based on a neck length -#if 0 - { -#define NECK_LENGTH 8 - vec3_t forward, up; - - cg.refdef.vieworg[2] -= NECK_LENGTH; - AngleVectors( cg.refdefViewAngles, forward, NULL, up ); - VectorMA( cg.refdef.vieworg, 3, forward, cg.refdef.vieworg ); - VectorMA( cg.refdef.vieworg, NECK_LENGTH, up, cg.refdef.vieworg ); - } -#endif -} - -//====================================================================== - -void CG_ZoomDown_f( void ) { - if ( cg.zoomed ) { - return; - } - cg.zoomed = qtrue; - cg.zoomTime = cg.time; -} - -void CG_ZoomUp_f( void ) { - if ( !cg.zoomed ) { - return; - } - cg.zoomed = qfalse; - cg.zoomTime = cg.time; -} - - -/* -==================== -CG_CalcFov - -Fixed fov at intermissions, otherwise account for fov variable and zooms. -==================== -*/ -#define WAVE_AMPLITUDE 1 -#define WAVE_FREQUENCY 0.4 - -static int CG_CalcFov( void ) { - float x; - float phase; - float v; - int contents; - float fov_x, fov_y; - float zoomFov; - float f; - int inwater; - int attribFov; - int a; - float b; - - BG_unpackAttributes( &attribFov, NULL, NULL, cg.predictedPlayerState.stats ); - - if ( cg.predictedPlayerState.pm_type == PM_INTERMISSION ) { - // if in intermission, use a fixed value - fov_x = 90; - } - else - { - //TA: don't lock the fov globally - we need to be able to change it - fov_x = attribFov; - - if ( fov_x < 1 ) - fov_x = 1; - else if ( fov_x > 160 ) - fov_x = 160; - } - - // account for zooms - zoomFov = cg_zoomFov.value; - if ( zoomFov < 1 ) - zoomFov = 1; - else if ( zoomFov > attribFov ) - zoomFov = attribFov; - - //TA: only do all the zoom stuff if the client CAN zoom - if( cg.predictedPlayerState.stats[ STAT_ABILITIES ] & SCA_CANZOOM ) - { - if ( cg.zoomed ) - { - f = ( cg.time - cg.zoomTime ) / (float)ZOOM_TIME; - - if ( f > 1.0 ) - fov_x = zoomFov; - else - fov_x = fov_x + f * ( zoomFov - fov_x ); - } - else - { - f = ( cg.time - cg.zoomTime ) / (float)ZOOM_TIME; - - if ( f > 1.0 ) - fov_x = fov_x; - else - fov_x = zoomFov + f * ( fov_x - zoomFov ); - } - } - - x = cg.refdef.width / tan( fov_x / 360 * M_PI ); - fov_y = atan2( cg.refdef.height, x ); - fov_y = fov_y * 360 / M_PI; - - // warp if underwater - contents = CG_PointContents( cg.refdef.vieworg, -1 ); - if ( contents & ( CONTENTS_WATER | CONTENTS_SLIME | CONTENTS_LAVA ) ){ - phase = cg.time / 1000.0 * WAVE_FREQUENCY * M_PI * 2; - v = WAVE_AMPLITUDE * sin( phase ); - fov_x += v; - fov_y -= v; - inwater = qtrue; - } - else { - inwater = qfalse; - } - - - // set it - cg.refdef.fov_x = fov_x; - cg.refdef.fov_y = fov_y; - - if ( !cg.zoomed ) { - cg.zoomSensitivity = 1; - } else { - cg.zoomSensitivity = cg.refdef.fov_y / 75.0; - } - - return inwater; -} - - - -/* -=============== -CG_DamageBlendBlob - -=============== -*/ -static void CG_DamageBlendBlob( void ) { - int t; - int maxTime; - refEntity_t ent; - - if ( !cg.damageValue ) { - return; - } - - // ragePro systems can't fade blends, so don't obscure the screen - if ( cgs.glconfig.hardwareType == GLHW_RAGEPRO ) { - return; - } - - maxTime = DAMAGE_TIME; - t = cg.time - cg.damageTime; - if ( t <= 0 || t >= maxTime ) { - return; - } - - - memset( &ent, 0, sizeof( ent ) ); - ent.reType = RT_SPRITE; - ent.renderfx = RF_FIRST_PERSON; - - VectorMA( cg.refdef.vieworg, 8, cg.refdef.viewaxis[0], ent.origin ); - VectorMA( ent.origin, cg.damageX * -8, cg.refdef.viewaxis[1], ent.origin ); - VectorMA( ent.origin, cg.damageY * 8, cg.refdef.viewaxis[2], ent.origin ); - - ent.radius = cg.damageValue * 3; - ent.customShader = cgs.media.viewBloodShader; - ent.shaderRGBA[0] = 255; - ent.shaderRGBA[1] = 255; - ent.shaderRGBA[2] = 255; - ent.shaderRGBA[3] = 200 * ( 1.0 - ((float)t / maxTime) ); - trap_R_AddRefEntityToScene( &ent ); -} - - -/* -=============== -CG_DrawSurfNormal - -Draws a vector against -the surface player is looking at -=============== -*/ -static void CG_DrawSurfNormal( void ) -{ - trace_t tr; - vec3_t end, temp; - vec3_t up = { 0, 5, 0 }; - polyVert_t normal[4]; - - VectorMA( cg.refdef.vieworg, 8192, cg.refdef.viewaxis[ 0 ], end ); - - CG_Trace( &tr, cg.refdef.vieworg, NULL, NULL, end, cg.predictedPlayerState.clientNum, MASK_SOLID ); - //CG_Printf( "%f %f %f\n", tr.plane.normal[ 0 ], tr.plane.normal[ 1 ], tr.plane.normal[ 2 ] ); - - VectorCopy( tr.endpos, normal[0].xyz ); - normal[0].st[0] = 0; - normal[0].st[1] = 0; - normal[0].modulate[0] = 255; - normal[0].modulate[1] = 255; - normal[0].modulate[2] = 255; - normal[0].modulate[3] = 255; - - VectorAdd( up, tr.endpos, temp ); - VectorCopy( temp, normal[1].xyz); - normal[1].st[0] = 0; - normal[1].st[1] = 1; - normal[1].modulate[0] = 255; - normal[1].modulate[1] = 255; - normal[1].modulate[2] = 255; - normal[1].modulate[3] = 255; - - VectorMA( tr.endpos, 64, tr.plane.normal, temp ); - VectorAdd( temp, up, temp ); - VectorCopy( temp, normal[2].xyz ); - normal[2].st[0] = 1; - normal[2].st[1] = 1; - normal[2].modulate[0] = 255; - normal[2].modulate[1] = 255; - normal[2].modulate[2] = 255; - normal[2].modulate[3] = 255; - - VectorMA( tr.endpos, 64, tr.plane.normal, temp ); - VectorCopy( temp, normal[3].xyz ); - normal[3].st[0] = 1; - normal[3].st[1] = 0; - normal[3].modulate[0] = 255; - normal[3].modulate[1] = 255; - normal[3].modulate[2] = 255; - normal[3].modulate[3] = 255; - - trap_R_AddPolyToScene( cgs.media.whiteShader, 4, normal ); -} - - -/* -=============== -CG_CalcViewValues - -Sets cg.refdef view values -=============== -*/ -static int CG_CalcViewValues( void ) { - playerState_t *ps; - - memset( &cg.refdef, 0, sizeof( cg.refdef ) ); - - // strings for in game rendering - // Q_strncpyz( cg.refdef.text[0], "Park Ranger", sizeof(cg.refdef.text[0]) ); - // Q_strncpyz( cg.refdef.text[1], "19", sizeof(cg.refdef.text[1]) ); - - // calculate size of 3D view - CG_CalcVrect(); - - ps = &cg.predictedPlayerState; - - // intermission view - if ( ps->pm_type == PM_INTERMISSION ) { - VectorCopy( ps->origin, cg.refdef.vieworg ); - VectorCopy( ps->viewangles, cg.refdefViewAngles ); - AnglesToAxis( cg.refdefViewAngles, cg.refdef.viewaxis ); - return CG_CalcFov(); - } - - cg.bobcycle = ( ps->bobCycle & 128 ) >> 7; - cg.bobfracsin = fabs( sin( ( ps->bobCycle & 127 ) / 127.0 * M_PI ) ); - cg.xyspeed = sqrt( ps->velocity[0] * ps->velocity[0] + - ps->velocity[1] * ps->velocity[1] ); - - - VectorCopy( ps->origin, cg.refdef.vieworg ); - VectorCopy( ps->viewangles, cg.refdefViewAngles ); - - if (cg_cameraOrbit.integer) { - if (cg.time > cg.nextOrbitTime) { - cg.nextOrbitTime = cg.time + cg_cameraOrbitDelay.integer; - cg_thirdPersonAngle.value += cg_cameraOrbit.value; - } - } - // add error decay - if ( cg_errorDecay.value > 0 ) { - int t; - float f; - - t = cg.time - cg.predictedErrorTime; - f = ( cg_errorDecay.value - t ) / cg_errorDecay.value; - if ( f > 0 && f < 1 ) { - VectorMA( cg.refdef.vieworg, f, cg.predictedError, cg.refdef.vieworg ); - } else { - cg.predictedErrorTime = 0; - } - } - - if ( cg.renderingThirdPerson ) { - // back away from character - CG_OffsetThirdPersonView(); - } else { - // offset for local bobbing and kicks - CG_OffsetFirstPersonView(); - } - - // position eye reletive to origin - AnglesToAxis( cg.refdefViewAngles, cg.refdef.viewaxis ); - - if ( cg.hyperspace ) { - cg.refdef.rdflags |= RDF_NOWORLDMODEL | RDF_HYPERSPACE; - } - - //draw the surface normal looking at - if( cg_drawSurfNormal.integer ) - CG_DrawSurfNormal( ); - - // field of view - return CG_CalcFov(); -} - - -/* -===================== -CG_PowerupTimerSounds -===================== -*/ -static void CG_PowerupTimerSounds( void ) { - int i; - int t; - - // powerup timers going away - for ( i = 0 ; i < MAX_POWERUPS ; i++ ) { - t = cg.snap->ps.powerups[i]; - if ( t <= cg.time ) { - continue; - } - if ( t - cg.time >= POWERUP_BLINKS * POWERUP_BLINK_TIME ) { - continue; - } - if ( ( t - cg.time ) / POWERUP_BLINK_TIME != ( t - cg.oldTime ) / POWERUP_BLINK_TIME ) { - trap_S_StartSound( NULL, cg.snap->ps.clientNum, CHAN_ITEM, cgs.media.wearOffSound ); - } - } -} - -/* -===================== -CG_AddBufferedSound -===================== -*/ -void CG_AddBufferedSound( sfxHandle_t sfx ) { - if ( !sfx ) - return; - cg.soundBuffer[cg.soundBufferIn] = sfx; - cg.soundBufferIn = (cg.soundBufferIn + 1) % MAX_SOUNDBUFFER; - if (cg.soundBufferIn == cg.soundBufferOut) { - cg.soundBufferOut++; - } -} - -/* -===================== -CG_PlayBufferedSounds -===================== -*/ -static void CG_PlayBufferedSounds( void ) { - if ( cg.soundTime < cg.time ) { - if (cg.soundBufferOut != cg.soundBufferIn && cg.soundBuffer[cg.soundBufferOut]) { - trap_S_StartLocalSound(cg.soundBuffer[cg.soundBufferOut], CHAN_ANNOUNCER); - cg.soundBuffer[cg.soundBufferOut] = 0; - cg.soundBufferOut = (cg.soundBufferOut + 1) % MAX_SOUNDBUFFER; - cg.soundTime = cg.time + 750; - } - } -} - -//========================================================================= - -/* -================= -CG_DrawActiveFrame - -Generates and draws a game scene and status information at the given time. -================= -*/ -void CG_DrawActiveFrame( int serverTime, stereoFrame_t stereoView, qboolean demoPlayback ) { - int inwater; - - cg.time = serverTime; - cg.demoPlayback = demoPlayback; - - // update cvars - CG_UpdateCvars(); - - // if we are only updating the screen as a loading - // pacifier, don't even try to read snapshots - if ( cg.infoScreenText[0] != 0 ) { - CG_DrawInformation(); - return; - } - - // any looped sounds will be respecified as entities - // are added to the render list - trap_S_ClearLoopingSounds(qfalse); - - // clear all the render lists - trap_R_ClearScene(); - - // set up cg.snap and possibly cg.nextSnap - CG_ProcessSnapshots(); - - // if we haven't received any snapshots yet, all - // we can draw is the information screen - if ( !cg.snap || ( cg.snap->snapFlags & SNAPFLAG_NOT_ACTIVE ) ) { - CG_DrawInformation(); - return; - } - - // let the client system know what our weapon and zoom settings are - trap_SetUserCmdValue( cg.weaponSelect, cg.zoomSensitivity ); - - // this counter will be bumped for every valid scene we generate - cg.clientFrame++; - - // update cg.predictedPlayerState - CG_PredictPlayerState(); - - // decide on third person view - cg.renderingThirdPerson = cg_thirdPerson.integer || (cg.snap->ps.stats[STAT_HEALTH] <= 0); - - // build cg.refdef - inwater = CG_CalcViewValues(); - - // first person blend blobs, done after AnglesToAxis - if ( !cg.renderingThirdPerson ) { - CG_DamageBlendBlob(); - } - - // build the render lists - if ( !cg.hyperspace ) { - CG_AddPacketEntities(); // adter calcViewValues, so predicted player state is correct - CG_AddMarks(); - CG_AddLocalEntities(); - } - CG_AddViewWeapon( &cg.predictedPlayerState ); - - // add buffered sounds - CG_PlayBufferedSounds(); - - // play buffered voice chats - CG_PlayBufferedVoiceChats(); - - // finish up the rest of the refdef - if ( cg.testModelEntity.hModel ) { - CG_AddTestModel(); - } - cg.refdef.time = cg.time; - memcpy( cg.refdef.areamask, cg.snap->areamask, sizeof( cg.refdef.areamask ) ); - - // warning sounds when powerup is wearing off - CG_PowerupTimerSounds(); - - // update audio positions - trap_S_Respatialize( cg.snap->ps.clientNum, cg.refdef.vieworg, cg.refdef.viewaxis, inwater ); - - // make sure the lagometerSample and frame timing isn't done twice when in stereo - if ( stereoView != STEREO_RIGHT ) { - cg.frametime = cg.time - cg.oldTime; - if ( cg.frametime < 0 ) { - cg.frametime = 0; - } - cg.oldTime = cg.time; - CG_AddLagometerFrameInfo(); - } - if (cg_timescale.value != cg_timescaleFadeEnd.value) { - if (cg_timescale.value < cg_timescaleFadeEnd.value) { - cg_timescale.value += cg_timescaleFadeSpeed.value * ((float)cg.frametime) / 1000; - if (cg_timescale.value > cg_timescaleFadeEnd.value) - cg_timescale.value = cg_timescaleFadeEnd.value; - } - else { - cg_timescale.value -= cg_timescaleFadeSpeed.value * ((float)cg.frametime) / 1000; - if (cg_timescale.value < cg_timescaleFadeEnd.value) - cg_timescale.value = cg_timescaleFadeEnd.value; - } - if (cg_timescaleFadeSpeed.value) { - trap_Cvar_Set("timescale", va("%f", cg_timescale.value)); - } - } - - // actually issue the rendering calls - CG_DrawActive( stereoView ); - - if ( cg_stats.integer ) { - CG_Printf( "cg.clientFrame:%i\n", cg.clientFrame ); - } -} - |