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Diffstat (limited to 'src/game/g_missile.c')
| -rw-r--r-- | src/game/g_missile.c | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/src/game/g_missile.c b/src/game/g_missile.c deleted file mode 100644 index 20a76163..00000000 --- a/src/game/g_missile.c +++ /dev/null @@ -1,519 +0,0 @@ -// Copyright (C) 1999-2000 Id Software, Inc. -// - -/* - * 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 "g_local.h" - -#define MISSILE_PRESTEP_TIME 50 - -/* -================ -G_BounceMissile - -================ -*/ -void G_BounceMissile( gentity_t *ent, trace_t *trace ) { - vec3_t velocity; - float dot; - int hitTime; - - // reflect the velocity on the trace plane - hitTime = level.previousTime + ( level.time - level.previousTime ) * trace->fraction; - BG_EvaluateTrajectoryDelta( &ent->s.pos, hitTime, velocity ); - dot = DotProduct( velocity, trace->plane.normal ); - VectorMA( velocity, -2*dot, trace->plane.normal, ent->s.pos.trDelta ); - - if ( ent->s.eFlags & EF_BOUNCE_HALF ) { - VectorScale( ent->s.pos.trDelta, 0.65, ent->s.pos.trDelta ); - // check for stop - if ( trace->plane.normal[2] > 0.2 && VectorLength( ent->s.pos.trDelta ) < 40 ) { - G_SetOrigin( ent, trace->endpos ); - return; - } - } - - VectorAdd( ent->r.currentOrigin, trace->plane.normal, ent->r.currentOrigin); - VectorCopy( ent->r.currentOrigin, ent->s.pos.trBase ); - ent->s.pos.trTime = level.time; -} - - -/* -================ -G_ExplodeMissile - -Explode a missile without an impact -================ -*/ -void G_ExplodeMissile( gentity_t *ent ) { - vec3_t dir; - vec3_t origin; - - BG_EvaluateTrajectory( &ent->s.pos, level.time, origin ); - SnapVector( origin ); - G_SetOrigin( ent, origin ); - - // we don't have a valid direction, so just point straight up - dir[0] = dir[1] = 0; - dir[2] = 1; - - ent->s.eType = ET_GENERAL; - G_AddEvent( ent, EV_MISSILE_MISS, DirToByte( dir ) ); - - ent->freeAfterEvent = qtrue; - - // splash damage - if ( ent->splashDamage ) { - if( G_RadiusDamage( ent->r.currentOrigin, ent->parent, ent->splashDamage, ent->splashRadius, ent - , ent->splashMethodOfDeath ) ) { - g_entities[ent->r.ownerNum].client->accuracy_hits++; - } - } - - trap_LinkEntity( ent ); -} - - -/* -================ -G_MissileImpact - -================ -*/ -void G_MissileImpact( gentity_t *ent, trace_t *trace ) { - gentity_t *other; - qboolean hitClient = qfalse; - - other = &g_entities[trace->entityNum]; - - // check for bounce - if ( !other->takedamage && - ( ent->s.eFlags & ( EF_BOUNCE | EF_BOUNCE_HALF ) ) ) { - G_BounceMissile( ent, trace ); - G_AddEvent( ent, EV_GRENADE_BOUNCE, 0 ); - return; - } - - // impact damage - if (other->takedamage) { - // FIXME: wrong damage direction? - if ( ent->damage ) { - vec3_t velocity; - - if( LogAccuracyHit( other, &g_entities[ent->r.ownerNum] ) ) { - g_entities[ent->r.ownerNum].client->accuracy_hits++; - hitClient = qtrue; - } - BG_EvaluateTrajectoryDelta( &ent->s.pos, level.time, velocity ); - if ( VectorLength( velocity ) == 0 ) { - velocity[2] = 1; // stepped on a grenade - } - G_Damage (other, ent, &g_entities[ent->r.ownerNum], velocity, - ent->s.origin, ent->damage, - 0, ent->methodOfDeath); - } - } - - if (!strcmp(ent->classname, "hook")) { - gentity_t *nent; - vec3_t v; - - nent = G_Spawn(); - if ( other->takedamage && other->client ) { - - G_AddEvent( nent, EV_MISSILE_HIT, DirToByte( trace->plane.normal ) ); - nent->s.otherEntityNum = other->s.number; - - ent->enemy = other; - - v[0] = other->r.currentOrigin[0] + (other->r.mins[0] + other->r.maxs[0]) * 0.5; - v[1] = other->r.currentOrigin[1] + (other->r.mins[1] + other->r.maxs[1]) * 0.5; - v[2] = other->r.currentOrigin[2] + (other->r.mins[2] + other->r.maxs[2]) * 0.5; - - SnapVectorTowards( v, ent->s.pos.trBase ); // save net bandwidth - } else { - VectorCopy(trace->endpos, v); - G_AddEvent( nent, EV_MISSILE_MISS, DirToByte( trace->plane.normal ) ); - ent->enemy = NULL; - } - - SnapVectorTowards( v, ent->s.pos.trBase ); // save net bandwidth - - nent->freeAfterEvent = qtrue; - // change over to a normal entity right at the point of impact - nent->s.eType = ET_GENERAL; - ent->s.eType = ET_GRAPPLE; - - G_SetOrigin( ent, v ); - G_SetOrigin( nent, v ); - - ent->think = Weapon_HookThink; - ent->nextthink = level.time + FRAMETIME; - - ent->parent->client->ps.pm_flags |= PMF_GRAPPLE_PULL; - VectorCopy( ent->r.currentOrigin, ent->parent->client->ps.grapplePoint); - - trap_LinkEntity( ent ); - trap_LinkEntity( nent ); - - return; - } - - // is it cheaper in bandwidth to just remove this ent and create a new - // one, rather than changing the missile into the explosion? - - if ( other->takedamage && other->client ) { - G_AddEvent( ent, EV_MISSILE_HIT, DirToByte( trace->plane.normal ) ); - ent->s.otherEntityNum = other->s.number; - } else if( trace->surfaceFlags & SURF_METALSTEPS ) { - G_AddEvent( ent, EV_MISSILE_MISS_METAL, DirToByte( trace->plane.normal ) ); - } else { - G_AddEvent( ent, EV_MISSILE_MISS, DirToByte( trace->plane.normal ) ); - } - - ent->freeAfterEvent = qtrue; - - // change over to a normal entity right at the point of impact - ent->s.eType = ET_GENERAL; - - SnapVectorTowards( trace->endpos, ent->s.pos.trBase ); // save net bandwidth - - G_SetOrigin( ent, trace->endpos ); - - // splash damage (doesn't apply to person directly hit) - if ( ent->splashDamage ) { - if( G_RadiusDamage( trace->endpos, ent->parent, ent->splashDamage, ent->splashRadius, - other, ent->splashMethodOfDeath ) ) { - if( !hitClient ) { - g_entities[ent->r.ownerNum].client->accuracy_hits++; - } - } - } - - trap_LinkEntity( ent ); -} - - -/* -================ -G_RunMissile - -================ -*/ -void G_RunMissile( gentity_t *ent ) { - vec3_t origin; - trace_t tr; - int passent; - - // get current position - BG_EvaluateTrajectory( &ent->s.pos, level.time, origin ); - - // if this missile bounced off an invulnerability sphere - if ( ent->target_ent ) { - passent = ent->target_ent->s.number; - } - else { - // ignore interactions with the missile owner - passent = ent->r.ownerNum; - } - // trace a line from the previous position to the current position - trap_Trace( &tr, ent->r.currentOrigin, ent->r.mins, ent->r.maxs, origin, passent, ent->clipmask ); - - if ( tr.startsolid || tr.allsolid ) { - // make sure the tr.entityNum is set to the entity we're stuck in - trap_Trace( &tr, ent->r.currentOrigin, ent->r.mins, ent->r.maxs, ent->r.currentOrigin, passent, ent->clipmask ); - tr.fraction = 0; - } - else { - VectorCopy( tr.endpos, ent->r.currentOrigin ); - } - - trap_LinkEntity( ent ); - - if ( tr.fraction != 1 ) { - // never explode or bounce on sky - if ( tr.surfaceFlags & SURF_NOIMPACT ) { - // If grapple, reset owner - if (ent->parent && ent->parent->client && ent->parent->client->hook == ent) { - ent->parent->client->hook = NULL; - } - G_FreeEntity( ent ); - return; - } - - G_MissileImpact( ent, &tr ); - if ( ent->s.eType != ET_MISSILE ) { - return; // exploded - } - } - - // check think function after bouncing - G_RunThink( ent ); -} - - -//============================================================================= - -/* -================= -fire_flamer - -================= -*/ -gentity_t *fire_flamer (gentity_t *self, vec3_t start, vec3_t dir) { - gentity_t *bolt; - - VectorNormalize (dir); - - bolt = G_Spawn(); - bolt->classname = "flame"; - bolt->nextthink = level.time + 600; - bolt->think = G_ExplodeMissile; - bolt->s.eType = ET_MISSILE; - bolt->r.svFlags = SVF_USE_CURRENT_ORIGIN; - bolt->s.weapon = WP_FLAMER; - bolt->r.ownerNum = self->s.number; - bolt->parent = self; - bolt->damage = 60; - bolt->splashDamage = 65; - bolt->splashRadius = 45; - bolt->methodOfDeath = MOD_FLAMER; - bolt->splashMethodOfDeath = MOD_FLAMER_SPLASH; - bolt->clipmask = MASK_SHOT; - bolt->target_ent = NULL; - - bolt->s.pos.trType = TR_LINEAR; - bolt->s.pos.trTime = level.time - MISSILE_PRESTEP_TIME; // move a bit on the very first frame - VectorCopy( start, bolt->s.pos.trBase ); - //VectorMA( self->client->ps.velocity, 300, dir, bolt->s.pos.trDelta ); - VectorScale( dir, 350, bolt->s.pos.trDelta ); - SnapVector( bolt->s.pos.trDelta ); // save net bandwidth - - VectorCopy (start, bolt->r.currentOrigin); - - return bolt; -} - -//============================================================================= - -/* -================= -fire_plasma - -================= -*/ -gentity_t *fire_plasma (gentity_t *self, vec3_t start, vec3_t dir) -{ - gentity_t *bolt; - - VectorNormalize (dir); - - bolt = G_Spawn(); - bolt->classname = "plasma"; - bolt->nextthink = level.time + 10000; - bolt->think = G_ExplodeMissile; - bolt->s.eType = ET_MISSILE; - bolt->r.svFlags = SVF_USE_CURRENT_ORIGIN; - bolt->s.weapon = WP_PLASMAGUN; - bolt->r.ownerNum = self->s.number; - bolt->parent = self; - bolt->damage = 20; - bolt->splashDamage = 15; - bolt->splashRadius = 20; - //bolt->methodOfDeath = MOD_PLASMA; - //bolt->splashMethodOfDeath = MOD_PLASMA_SPLASH; - bolt->clipmask = MASK_SHOT; - bolt->target_ent = NULL; - - bolt->s.pos.trType = TR_LINEAR; - bolt->s.pos.trTime = level.time - MISSILE_PRESTEP_TIME; // move a bit on the very first frame - VectorCopy( start, bolt->s.pos.trBase ); - VectorScale( dir, 2000, bolt->s.pos.trDelta ); - SnapVector( bolt->s.pos.trDelta ); // save net bandwidth - - VectorCopy (start, bolt->r.currentOrigin); - return bolt; -} - -//============================================================================= - -/* -================= -fire_grenade -================= -*/ -gentity_t *fire_grenade (gentity_t *self, vec3_t start, vec3_t dir) { - gentity_t *bolt; - - VectorNormalize (dir); - - bolt = G_Spawn(); - bolt->classname = "grenade"; - bolt->nextthink = level.time + 2500; - bolt->think = G_ExplodeMissile; - bolt->s.eType = ET_MISSILE; - bolt->r.svFlags = SVF_USE_CURRENT_ORIGIN; - bolt->s.weapon = WP_GRENADE_LAUNCHER; - bolt->s.eFlags = EF_BOUNCE_HALF; - bolt->r.ownerNum = self->s.number; - bolt->parent = self; - bolt->damage = 100; - bolt->splashDamage = 100; - bolt->splashRadius = 150; - bolt->methodOfDeath = MOD_GRENADE; - bolt->splashMethodOfDeath = MOD_GRENADE_SPLASH; - bolt->clipmask = MASK_SHOT; - bolt->target_ent = NULL; - - bolt->s.pos.trType = TR_GRAVITY; - bolt->s.pos.trTime = level.time - MISSILE_PRESTEP_TIME; // move a bit on the very first frame - VectorCopy( start, bolt->s.pos.trBase ); - VectorScale( dir, 700, bolt->s.pos.trDelta ); - SnapVector( bolt->s.pos.trDelta ); // save net bandwidth - - VectorCopy (start, bolt->r.currentOrigin); - - return bolt; -} - -//============================================================================= - - -/* -================= -fire_bfg -================= -*/ -gentity_t *fire_bfg (gentity_t *self, vec3_t start, vec3_t dir) { - gentity_t *bolt; - - VectorNormalize (dir); - - bolt = G_Spawn(); - bolt->classname = "bfg"; - bolt->nextthink = level.time + 10000; - bolt->think = G_ExplodeMissile; - bolt->s.eType = ET_MISSILE; - bolt->r.svFlags = SVF_USE_CURRENT_ORIGIN; - bolt->s.weapon = WP_BFG; - bolt->r.ownerNum = self->s.number; - bolt->parent = self; - bolt->damage = 100; - bolt->splashDamage = 100; - bolt->splashRadius = 120; - bolt->methodOfDeath = MOD_BFG; - bolt->splashMethodOfDeath = MOD_BFG_SPLASH; - bolt->clipmask = MASK_SHOT; - bolt->target_ent = NULL; - - bolt->s.pos.trType = TR_LINEAR; - bolt->s.pos.trTime = level.time - MISSILE_PRESTEP_TIME; // move a bit on the very first frame - VectorCopy( start, bolt->s.pos.trBase ); - VectorScale( dir, 2000, bolt->s.pos.trDelta ); - SnapVector( bolt->s.pos.trDelta ); // save net bandwidth - VectorCopy (start, bolt->r.currentOrigin); - - return bolt; -} - -//============================================================================= - - -/* -================= -fire_rocket -================= -*/ -gentity_t *fire_rocket (gentity_t *self, vec3_t start, vec3_t dir) { - gentity_t *bolt; - - VectorNormalize (dir); - - bolt = G_Spawn(); - bolt->classname = "rocket"; - bolt->nextthink = level.time + 15000; - bolt->think = G_ExplodeMissile; - bolt->s.eType = ET_MISSILE; - bolt->r.svFlags = SVF_USE_CURRENT_ORIGIN; - bolt->s.weapon = WP_ROCKET_LAUNCHER; - bolt->r.ownerNum = self->s.number; - bolt->parent = self; - bolt->damage = 100; - bolt->splashDamage = 100; - bolt->splashRadius = 120; - bolt->methodOfDeath = MOD_ROCKET; - bolt->splashMethodOfDeath = MOD_ROCKET_SPLASH; - bolt->clipmask = MASK_SHOT; - bolt->target_ent = NULL; - - bolt->s.pos.trType = TR_LINEAR; - bolt->s.pos.trTime = level.time - MISSILE_PRESTEP_TIME; // move a bit on the very first frame - VectorCopy( start, bolt->s.pos.trBase ); - VectorScale( dir, 900, bolt->s.pos.trDelta ); - SnapVector( bolt->s.pos.trDelta ); // save net bandwidth - VectorCopy (start, bolt->r.currentOrigin); - - return bolt; -} - -/* -================= -fire_grapple -================= -*/ -gentity_t *fire_grapple (gentity_t *self, vec3_t start, vec3_t dir) { - gentity_t *hook; - - VectorNormalize (dir); - - hook = G_Spawn(); - hook->classname = "hook"; - hook->nextthink = level.time + 10000; - hook->think = Weapon_HookFree; - hook->s.eType = ET_MISSILE; - hook->r.svFlags = SVF_USE_CURRENT_ORIGIN; - hook->s.weapon = WP_GRAPPLING_HOOK; - hook->r.ownerNum = self->s.number; - hook->methodOfDeath = MOD_GRAPPLE; - hook->clipmask = MASK_SHOT; - hook->parent = self; - hook->target_ent = NULL; - - hook->s.pos.trType = TR_LINEAR; - hook->s.pos.trTime = level.time - MISSILE_PRESTEP_TIME; // move a bit on the very first frame - hook->s.otherEntityNum = self->s.number; // use to match beam in client - VectorCopy( start, hook->s.pos.trBase ); - VectorScale( dir, 800, hook->s.pos.trDelta ); - SnapVector( hook->s.pos.trDelta ); // save net bandwidth - VectorCopy (start, hook->r.currentOrigin); - - self->client->hook = hook; - - return hook; -} - - - |