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Diffstat (limited to 'src/cgame/cg_view.c')
| -rw-r--r-- | src/cgame/cg_view.c | 1330 |
1 files changed, 0 insertions, 1330 deletions
diff --git a/src/cgame/cg_view.c b/src/cgame/cg_view.c deleted file mode 100644 index 324646c9..00000000 --- a/src/cgame/cg_view.c +++ /dev/null @@ -1,1330 +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 OSML - Open Source Modification License v1.0 as - * described in the file COPYING which is distributed with this source - * code. - * - * 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. - */ - -#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 ) ); - memset( &cg.testModelBarrelEntity, 0, sizeof( cg.testModelBarrelEntity ) ); - - if( trap_Argc( ) < 2 ) - return; - - Q_strncpyz( cg.testModelName, CG_Argv( 1 ), MAX_QPATH ); - cg.testModelEntity.hModel = trap_R_RegisterModel( cg.testModelName ); - - Q_strncpyz( cg.testModelBarrelName, CG_Argv( 1 ), MAX_QPATH ); - cg.testModelBarrelName[ strlen( cg.testModelBarrelName ) - 4 ] = '\0'; - Q_strcat( cg.testModelBarrelName, MAX_QPATH, "_barrel.md3" ); - cg.testModelBarrelEntity.hModel = trap_R_RegisterModel( cg.testModelBarrelName ); - - 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; - - if( cg.testModelBarrelEntity.hModel ) - { - angles[ YAW ] = 0; - angles[ PITCH ] = 0; - angles[ ROLL ] = 0; - AnglesToAxis( angles, cg.testModelBarrelEntity.axis ); - } -} - -/* -================= -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 ); - cg.testModelBarrelEntity.hModel = trap_R_RegisterModel( cg.testModelBarrelName ); - - 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 ); - - if( cg.testModelBarrelEntity.hModel ) - { - CG_PositionEntityOnTag( &cg.testModelBarrelEntity, &cg.testModelEntity, - cg.testModelEntity.hModel, "tag_barrel" ); - - trap_R_AddRefEntityToScene( &cg.testModelBarrelEntity ); - } -} - - - -//============================================================================ - - -/* -================= -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 = { -8, -8, -8 }; - static vec3_t maxs = { 8, 8, 8 }; - vec3_t focusPoint; - float focusDist; - float forwardScale, sideScale; - vec3_t surfNormal; - - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBING ) - { - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBINGCEILING ) - VectorSet( surfNormal, 0.0f, 0.0f, -1.0f ); - else - VectorCopy( cg.predictedPlayerState.grapplePoint, surfNormal ); - } - else - VectorSet( surfNormal, 0.0f, 0.0f, 1.0f ); - - VectorMA( cg.refdef.vieworg, cg.predictedPlayerState.viewheight, surfNormal, cg.refdef.vieworg ); - - VectorCopy( cg.refdefViewAngles, focusAngles ); - - // if dead, look at killer - if( cg.predictedPlayerState.stats[ STAT_HEALTH ] <= 0 ) - { - focusAngles[ YAW ] = cg.predictedPlayerState.stats[ STAT_VIEWLOCK ]; - cg.refdefViewAngles[ YAW ] = cg.predictedPlayerState.stats[ STAT_VIEWLOCK ]; - } - - //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 ); - - VectorMA( view, 12, surfNormal, view ); - - //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 ) -{ - float steptime; - int timeDelta; - vec3_t normal; - playerState_t *ps = &cg.predictedPlayerState; - - if( ps->stats[ STAT_STATE ] & SS_WALLCLIMBING ) - { - if( ps->stats[ STAT_STATE ] & SS_WALLCLIMBINGCEILING ) - VectorSet( normal, 0.0f, 0.0f, -1.0f ); - else - VectorCopy( ps->grapplePoint, normal ); - } - else - VectorSet( normal, 0.0f, 0.0f, 1.0f ); - - steptime = BG_FindSteptimeForClass( ps->stats[ STAT_PCLASS ] ); - - // smooth out stair climbing - timeDelta = cg.time - cg.stepTime; - if( timeDelta < steptime ) - { - float stepChange = cg.stepChange - * (steptime - timeDelta) / steptime; - - if( ps->stats[ STAT_STATE ] & SS_WALLCLIMBING ) - VectorMA( cg.refdef.vieworg, -stepChange, normal, cg.refdef.vieworg ); - else - cg.refdef.vieworg[ 2 ] -= stepChange; - } -} - -#define PCLOUD_ROLL_AMPLITUDE 25.0f -#define PCLOUD_ROLL_FREQUENCY 0.4f -#define PCLOUD_ZOOM_AMPLITUDE 15 -#define PCLOUD_ZOOM_FREQUENCY 0.7f - - -/* -=============== -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; - float bob2; - vec3_t normal, baseOrigin; - playerState_t *ps = &cg.predictedPlayerState; - - if( ps->stats[ STAT_STATE ] & SS_WALLCLIMBING ) - { - if( ps->stats[ STAT_STATE ] & SS_WALLCLIMBINGCEILING ) - VectorSet( normal, 0.0f, 0.0f, -1.0f ); - else - VectorCopy( ps->grapplePoint, normal ); - } - else - VectorSet( normal, 0.0f, 0.0f, 1.0f ); - - - if( cg.snap->ps.pm_type == PM_INTERMISSION ) - return; - - origin = cg.refdef.vieworg; - angles = cg.refdefViewAngles; - - VectorCopy( origin, baseOrigin ); - - // 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_VIEWLOCK ]; - 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 - - if( cg.snap->ps.persistant[ PERS_TEAM ] == TEAM_SPECTATOR ) - bob2 = 0.0f; - else - bob2 = BG_FindBobForClass( cg.predictedPlayerState.stats[ STAT_PCLASS ] ); - - -#define LEVEL4_FEEDBACK 10.0f - - //give a charging player some feedback - if( ps->weapon == WP_ALEVEL4 ) - { - if( ps->stats[ STAT_MISC ] > 0 ) - { - float fraction = (float)ps->stats[ STAT_MISC ] / (float)LEVEL4_CHARGE_TIME; - - if( fraction > 1.0f ) - fraction = 1.0f; - - bob2 *= ( 1.0f + fraction * LEVEL4_FEEDBACK ); - } - } - - if( bob2 != 0.0f ) - { - // make sure the bob is visible even at low speeds - speed = cg.xyspeed > 200 ? cg.xyspeed : 200; - - delta = cg.bobfracsin * ( bob2 ) * speed; - if( cg.predictedPlayerState.pm_flags & PMF_DUCKED ) - delta *= 3; // crouching - - angles[ PITCH ] += delta; - delta = cg.bobfracsin * ( bob2 ) * speed; - if( cg.predictedPlayerState.pm_flags & PMF_DUCKED ) - delta *= 3; // crouching accentuates roll - - if( cg.bobcycle & 1 ) - delta = -delta; - - angles[ ROLL ] += delta; - } - -#define LEVEL3_FEEDBACK 20.0f - - //provide some feedback for pouncing - if( cg.predictedPlayerState.weapon == WP_ALEVEL3 || - cg.predictedPlayerState.weapon == WP_ALEVEL3_UPG ) - { - if( cg.predictedPlayerState.stats[ STAT_MISC ] > 0 ) - { - float fraction1, fraction2; - vec3_t forward; - - AngleVectors( angles, forward, NULL, NULL ); - VectorNormalize( forward ); - - fraction1 = (float)( cg.time - cg.weapon2Time ) / (float)LEVEL3_POUNCE_CHARGE_TIME; - - if( fraction1 > 1.0f ) - fraction1 = 1.0f; - - fraction2 = -sin( fraction1 * M_PI / 2 ); - - VectorMA( origin, LEVEL3_FEEDBACK * fraction2, forward, origin ); - } - } - -#define STRUGGLE_DIST 5.0f -#define STRUGGLE_TIME 250 - - //allow the player to struggle a little whilst grabbed - if( cg.predictedPlayerState.pm_type == PM_GRABBED ) - { - vec3_t forward, right, up; - usercmd_t cmd; - int cmdNum; - float fFraction, rFraction, uFraction; - float fFraction2, rFraction2, uFraction2; - - cmdNum = trap_GetCurrentCmdNumber(); - trap_GetUserCmd( cmdNum, &cmd ); - - AngleVectors( angles, forward, right, up ); - - fFraction = (float)( cg.time - cg.forwardMoveTime ) / STRUGGLE_TIME; - rFraction = (float)( cg.time - cg.rightMoveTime ) / STRUGGLE_TIME; - uFraction = (float)( cg.time - cg.upMoveTime ) / STRUGGLE_TIME; - - if( fFraction > 1.0f ) - fFraction = 1.0f; - if( rFraction > 1.0f ) - rFraction = 1.0f; - if( uFraction > 1.0f ) - uFraction = 1.0f; - - fFraction2 = -sin( fFraction * M_PI / 2 ); - rFraction2 = -sin( rFraction * M_PI / 2 ); - uFraction2 = -sin( uFraction * M_PI / 2 ); - - if( cmd.forwardmove > 0 ) - VectorMA( origin, STRUGGLE_DIST * fFraction, forward, origin ); - else if( cmd.forwardmove < 0 ) - VectorMA( origin, -STRUGGLE_DIST * fFraction, forward, origin ); - else - cg.forwardMoveTime = cg.time; - - if( cmd.rightmove > 0 ) - VectorMA( origin, STRUGGLE_DIST * rFraction, right, origin ); - else if( cmd.rightmove < 0 ) - VectorMA( origin, -STRUGGLE_DIST * rFraction, right, origin ); - else - cg.rightMoveTime = cg.time; - - if( cmd.upmove > 0 ) - VectorMA( origin, STRUGGLE_DIST * uFraction, up, origin ); - else if( cmd.upmove < 0 ) - VectorMA( origin, -STRUGGLE_DIST * uFraction, up, origin ); - else - cg.upMoveTime = cg.time; - } - - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_POISONCLOUDED && - !( cg.snap->ps.pm_flags & PMF_FOLLOW ) ) - { - float fraction = sin( ( (float)cg.time / 1000.0f ) * M_PI * 2 * PCLOUD_ROLL_FREQUENCY ); - float pitchFraction = sin( ( (float)cg.time / 1000.0f ) * M_PI * 5 * PCLOUD_ROLL_FREQUENCY ); - - fraction *= 1.0f - ( ( cg.time - cg.poisonedTime ) / (float)LEVEL1_PCLOUD_TIME ); - pitchFraction *= 1.0f - ( ( cg.time - cg.poisonedTime ) / (float)LEVEL1_PCLOUD_TIME ); - - angles[ ROLL ] += fraction * PCLOUD_ROLL_AMPLITUDE; - angles[ YAW ] += fraction * PCLOUD_ROLL_AMPLITUDE; - angles[ PITCH ] += pitchFraction * PCLOUD_ROLL_AMPLITUDE / 2.0f; - } - - //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 //FIXME: sound - 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, ps->viewheight, normal, 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 * bob2; - - if( bob > 6 ) - bob = 6; - - //TA: likewise for bob - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_WALLCLIMBING ) - VectorMA( origin, bob, normal, 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); -} - -//====================================================================== - -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 - -#define FOVWARPTIME 400.0 - -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; - - if( cg.predictedPlayerState.pm_type == PM_INTERMISSION || - ( cg.snap->ps.persistant[ PERS_TEAM ] == TEAM_SPECTATOR ) ) - { - // 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 - attribFov = BG_FindFovForClass( cg.predictedPlayerState.stats[ STAT_PCLASS ] ); - fov_x = attribFov; - - if ( fov_x < 1 ) - fov_x = 1; - else if ( fov_x > 160 ) - fov_x = 160; - - if( cg.spawnTime > ( cg.time - FOVWARPTIME ) && - BG_ClassHasAbility( cg.predictedPlayerState.stats[ STAT_PCLASS ], SCA_FOVWARPS ) ) - { - float temp, temp2; - - temp = (float)( cg.time - cg.spawnTime ) / FOVWARPTIME; - temp2 = ( 180 - fov_x ) * temp; - - //Com_Printf( "%f %f\n", temp*100, temp2*100 ); - - fov_x = 180 - temp2; - } - - // account for zooms - zoomFov = BG_FindZoomFovForWeapon( cg.predictedPlayerState.weapon ); - if ( zoomFov < 1 ) - zoomFov = 1; - else if ( zoomFov > attribFov ) - zoomFov = attribFov; - - //TA: only do all the zoom stuff if the client CAN zoom - if( BG_WeaponCanZoom( cg.predictedPlayerState.weapon ) ) - { - 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; - - if( cg.predictedPlayerState.stats[ STAT_STATE ] & SS_POISONCLOUDED && - cg.predictedPlayerState.stats[ STAT_HEALTH ] > 0 && - !( cg.snap->ps.pm_flags & PMF_FOLLOW ) ) - { - phase = cg.time / 1000.0 * PCLOUD_ZOOM_FREQUENCY * M_PI * 2; - v = PCLOUD_ZOOM_AMPLITUDE * sin( phase ); - v *= 1.0f - ( ( cg.time - cg.poisonedTime ) / (float)LEVEL1_PCLOUD_TIME ); - fov_x += v; - fov_y += v; - } - - - // 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; -} - - - -#define NORMAL_HEIGHT 64.0f -#define NORMAL_WIDTH 6.0f - -/* -=============== -CG_DrawSurfNormal - -Draws a vector against -the surface player is looking at -=============== -*/ -static void CG_DrawSurfNormal( void ) -{ - trace_t tr; - vec3_t end, temp; - polyVert_t normal[ 4 ]; - vec4_t color = { 0.0f, 255.0f, 0.0f, 128.0f }; - - VectorMA( cg.refdef.vieworg, 8192, cg.refdef.viewaxis[ 0 ], end ); - - CG_Trace( &tr, cg.refdef.vieworg, NULL, NULL, end, cg.predictedPlayerState.clientNum, MASK_SOLID ); - - VectorCopy( tr.endpos, normal[ 0 ].xyz ); - normal[ 0 ].st[ 0 ] = 0; - normal[ 0 ].st[ 1 ] = 0; - Vector4Copy( color, normal[ 0 ].modulate ); - - VectorMA( tr.endpos, NORMAL_WIDTH, cg.refdef.viewaxis[ 1 ], temp ); - VectorCopy( temp, normal[ 1 ].xyz); - normal[ 1 ].st[ 0 ] = 0; - normal[ 1 ].st[ 1 ] = 1; - Vector4Copy( color, normal[ 1 ].modulate ); - - VectorMA( tr.endpos, NORMAL_HEIGHT, tr.plane.normal, temp ); - VectorMA( temp, NORMAL_WIDTH, cg.refdef.viewaxis[ 1 ], temp ); - VectorCopy( temp, normal[ 2 ].xyz ); - normal[ 2 ].st[ 0 ] = 1; - normal[ 2 ].st[ 1 ] = 1; - Vector4Copy( color, normal[ 2 ].modulate ); - - VectorMA( tr.endpos, NORMAL_HEIGHT, tr.plane.normal, temp ); - VectorCopy( temp, normal[ 3 ].xyz ); - normal[ 3 ].st[ 0 ] = 1; - normal[ 3 ].st[ 1 ] = 0; - Vector4Copy( color, normal[ 3 ].modulate ); - - trap_R_AddPolyToScene( cgs.media.outlineShader, 4, normal ); -} - -/* -=============== -CG_addSmoothOp -=============== -*/ -void CG_addSmoothOp( vec3_t rotAxis, float rotAngle, float timeMod ) -{ - int i; - - //iterate through smooth array - for( i = 0; i < MAXSMOOTHS; i++ ) - { - //found an unused index in the smooth array - if( cg.sList[ i ].time + cg_wwSmoothTime.integer < cg.time ) - { - //copy to array and stop - VectorCopy( rotAxis, cg.sList[ i ].rotAxis ); - cg.sList[ i ].rotAngle = rotAngle; - cg.sList[ i ].time = cg.time; - cg.sList[ i ].timeMod = timeMod; - return; - } - } - - //no free indices in the smooth array -} - -/* -=============== -CG_smoothWWTransitions -=============== -*/ -static void CG_smoothWWTransitions( playerState_t *ps, const vec3_t in, vec3_t out ) -{ - vec3_t surfNormal, rotAxis, temp; - vec3_t refNormal = { 0.0f, 0.0f, 1.0f }; - vec3_t ceilingNormal = { 0.0f, 0.0f, -1.0f }; - int i; - float stLocal, sFraction, rotAngle; - float smoothTime, timeMod; - qboolean performed = qfalse; - vec3_t inAxis[ 3 ], lastAxis[ 3 ], outAxis[ 3 ]; - - if( cg.snap->ps.pm_flags & PMF_FOLLOW ) - { - VectorCopy( in, out ); - return; - } - - //set surfNormal - if( !( ps->stats[ STAT_STATE ] & SS_WALLCLIMBINGCEILING ) ) - VectorCopy( ps->grapplePoint, surfNormal ); - else - VectorCopy( ceilingNormal, surfNormal ); - - AnglesToAxis( in, inAxis ); - - //if we are moving from one surface to another smooth the transition - if( !VectorCompare( surfNormal, cg.lastNormal ) ) - { - //if we moving from the ceiling to the floor special case - //( x product of colinear vectors is undefined) - if( VectorCompare( ceilingNormal, cg.lastNormal ) && - VectorCompare( refNormal, surfNormal ) ) - { - AngleVectors( in, temp, NULL, NULL ); - ProjectPointOnPlane( rotAxis, temp, refNormal ); - VectorNormalize( rotAxis ); - rotAngle = 180.0f; - timeMod = 1.5f; - } - else - { - AnglesToAxis( cg.lastVangles, lastAxis ); - rotAngle = DotProduct( inAxis[ 0 ], lastAxis[ 0 ] ) + - DotProduct( inAxis[ 1 ], lastAxis[ 1 ] ) + - DotProduct( inAxis[ 2 ], lastAxis[ 2 ] ); - - rotAngle = RAD2DEG( acos( ( rotAngle - 1.0f ) / 2.0f ) ); - - CrossProduct( lastAxis[ 0 ], inAxis[ 0 ], temp ); - VectorCopy( temp, rotAxis ); - CrossProduct( lastAxis[ 1 ], inAxis[ 1 ], temp ); - VectorAdd( rotAxis, temp, rotAxis ); - CrossProduct( lastAxis[ 2 ], inAxis[ 2 ], temp ); - VectorAdd( rotAxis, temp, rotAxis ); - - VectorNormalize( rotAxis ); - - timeMod = 1.0f; - } - - //add the op - CG_addSmoothOp( rotAxis, rotAngle, timeMod ); - } - - //iterate through ops - for( i = MAXSMOOTHS - 1; i >= 0; i-- ) - { - smoothTime = (int)( cg_wwSmoothTime.integer * cg.sList[ i ].timeMod ); - - //if this op has time remaining, perform it - if( cg.time < cg.sList[ i ].time + smoothTime ) - { - stLocal = 1.0f - ( ( ( cg.sList[ i ].time + smoothTime ) - cg.time ) / smoothTime ); - sFraction = -( cos( stLocal * M_PI ) + 1.0f ) / 2.0f; - - RotatePointAroundVector( outAxis[ 0 ], cg.sList[ i ].rotAxis, - inAxis[ 0 ], sFraction * cg.sList[ i ].rotAngle ); - RotatePointAroundVector( outAxis[ 1 ], cg.sList[ i ].rotAxis, - inAxis[ 1 ], sFraction * cg.sList[ i ].rotAngle ); - RotatePointAroundVector( outAxis[ 2 ], cg.sList[ i ].rotAxis, - inAxis[ 2 ], sFraction * cg.sList[ i ].rotAngle ); - - AxisCopy( outAxis, inAxis ); - performed = qtrue; - } - } - - //if we performed any ops then return the smoothed angles - //otherwise simply return the in angles - if( performed ) - AxisToAngles( outAxis, out ); - else - VectorCopy( in, out ); - - //copy the current normal to the lastNormal - VectorCopy( in, cg.lastVangles ); - VectorCopy( surfNormal, cg.lastNormal ); -} - -/* -=============== -CG_smoothWJTransitions -=============== -*/ -static void CG_smoothWJTransitions( playerState_t *ps, const vec3_t in, vec3_t out ) -{ - int i; - float stLocal, sFraction; - qboolean performed = qfalse; - vec3_t inAxis[ 3 ], outAxis[ 3 ]; - - if( cg.snap->ps.pm_flags & PMF_FOLLOW ) - { - VectorCopy( in, out ); - return; - } - - AnglesToAxis( in, inAxis ); - - //iterate through ops - for( i = MAXSMOOTHS - 1; i >= 0; i-- ) - { - //if this op has time remaining, perform it - if( cg.time < cg.sList[ i ].time + cg_wwSmoothTime.integer ) - { - stLocal = ( ( cg.sList[ i ].time + cg_wwSmoothTime.integer ) - cg.time ) / cg_wwSmoothTime.integer; - sFraction = 1.0f - ( ( cos( stLocal * M_PI * 2.0f ) + 1.0f ) / 2.0f ); - - RotatePointAroundVector( outAxis[ 0 ], cg.sList[ i ].rotAxis, - inAxis[ 0 ], sFraction * cg.sList[ i ].rotAngle ); - RotatePointAroundVector( outAxis[ 1 ], cg.sList[ i ].rotAxis, - inAxis[ 1 ], sFraction * cg.sList[ i ].rotAngle ); - RotatePointAroundVector( outAxis[ 2 ], cg.sList[ i ].rotAxis, - inAxis[ 2 ], sFraction * cg.sList[ i ].rotAngle ); - - AxisCopy( outAxis, inAxis ); - performed = qtrue; - } - } - - //if we performed any ops then return the smoothed angles - //otherwise simply return the in angles - if( performed ) - AxisToAngles( outAxis, out ); - else - VectorCopy( in, out ); -} - - -/* -=============== -CG_CalcViewValues - -Sets cg.refdef view values -=============== -*/ -static int CG_CalcViewValues( void ) -{ - playerState_t *ps; - - memset( &cg.refdef, 0, sizeof( cg.refdef ) ); - - // 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 ); - - if( BG_ClassHasAbility( ps->stats[ STAT_PCLASS ], SCA_WALLCLIMBER ) ) - CG_smoothWWTransitions( ps, ps->viewangles, cg.refdefViewAngles ); - else if( BG_ClassHasAbility( ps->stats[ STAT_PCLASS ], SCA_WALLJUMPER ) ) - CG_smoothWJTransitions( ps, ps->viewangles, cg.refdefViewAngles ); - else - VectorCopy( ps->viewangles, cg.refdefViewAngles ); - - //clumsy logic, but it needs to be this way round because the CS propogation - //delay screws things up otherwise - if( !BG_ClassHasAbility( ps->stats[ STAT_PCLASS ], SCA_WALLJUMPER ) ) - { - if( !( ps->stats[ STAT_STATE ] & SS_WALLCLIMBING ) ) - VectorSet( cg.lastNormal, 0.0f, 0.0f, 1.0f ); - } - - // 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; - } - - //shut off the poison cloud effect if it's still on the go - if( cg.snap->ps.stats[ STAT_HEALTH ] <= 0 ) - { - if( CG_IsParticleSystemValid( &cg.poisonCloudPS ) ) - CG_DestroyParticleSystem( &cg.poisonCloudPS ); - } - - 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_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_DrawLoadingScreen( ); - 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_DrawLoadingScreen( ); - 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( ); - - // build the render lists - if( !cg.hyperspace ) - { - CG_AddPacketEntities( ); // after calcViewValues, so predicted player state is correct - CG_AddMarks( ); - } - - CG_AddViewWeapon( &cg.predictedPlayerState ); - - //after CG_AddViewWeapon - if( !cg.hyperspace ) - { - CG_AddParticles( ); - CG_AddTrails( ); - } - - // add buffered sounds - CG_PlayBufferedSounds( ); - - // 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 ) ); - - //remove expired console lines - if( cg.consoleLines[ 0 ].time + cg_consoleLatency.integer < cg.time && cg_consoleLatency.integer > 0 ) - CG_RemoveConsoleLine( ); - - // 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 ); -} - |