mirror of
https://github.com/DrBeef/JKXR.git
synced 2024-12-12 21:52:08 +00:00
272 lines
7.3 KiB
C++
272 lines
7.3 KiB
C++
/*
|
|
===========================================================================
|
|
Copyright (C) 2000 - 2013, Raven Software, Inc.
|
|
Copyright (C) 2001 - 2013, Activision, Inc.
|
|
Copyright (C) 2013 - 2015, OpenJK contributors
|
|
|
|
This file is part of the OpenJK source code.
|
|
|
|
OpenJK is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License version 2 as
|
|
published by the Free Software Foundation.
|
|
|
|
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, see <http://www.gnu.org/licenses/>.
|
|
===========================================================================
|
|
*/
|
|
|
|
#include "g_headers.h"
|
|
|
|
#include "b_local.h"
|
|
#include "g_local.h"
|
|
#include "wp_saber.h"
|
|
#include "w_local.h"
|
|
#include "g_functions.h"
|
|
#include "bg_local.h"
|
|
|
|
//-----------------------
|
|
// Rocket Launcher
|
|
//-----------------------
|
|
|
|
//---------------------------------------------------------
|
|
void rocketThink( gentity_t *ent )
|
|
//---------------------------------------------------------
|
|
{
|
|
vec3_t newdir, targetdir,
|
|
wpUp={0,0,1}, right;
|
|
vec3_t org;
|
|
float dot, dot2;
|
|
|
|
if ( ent->enemy && ent->enemy->inuse )
|
|
{
|
|
float vel = ROCKET_VELOCITY;
|
|
|
|
VectorCopy( ent->enemy->currentOrigin, org );
|
|
org[2] += (ent->enemy->mins[2] + ent->enemy->maxs[2]) * 0.5f;
|
|
|
|
if ( ent->enemy->client )
|
|
{
|
|
switch( ent->enemy->client->NPC_class )
|
|
{
|
|
case CLASS_ATST:
|
|
org[2] += 80;
|
|
break;
|
|
case CLASS_MARK1:
|
|
org[2] += 40;
|
|
break;
|
|
case CLASS_PROBE:
|
|
org[2] += 60;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
VectorSubtract( org, ent->currentOrigin, targetdir );
|
|
VectorNormalize( targetdir );
|
|
|
|
// Now the rocket can't do a 180 in space, so we'll limit the turn to about 45 degrees.
|
|
dot = DotProduct( targetdir, ent->movedir );
|
|
|
|
// a dot of 1.0 means right-on-target.
|
|
if ( dot < 0.0f )
|
|
{
|
|
// Go in the direction opposite, start a 180.
|
|
CrossProduct( ent->movedir, wpUp, right );
|
|
dot2 = DotProduct( targetdir, right );
|
|
|
|
if ( dot2 > 0 )
|
|
{
|
|
// Turn 45 degrees right.
|
|
VectorMA( ent->movedir, 0.3f, right, newdir );
|
|
}
|
|
else
|
|
{
|
|
// Turn 45 degrees left.
|
|
VectorMA(ent->movedir, -0.3f, right, newdir);
|
|
}
|
|
|
|
// Yeah we've adjusted horizontally, but let's split the difference vertically, so we kinda try to move towards it.
|
|
newdir[2] = ( targetdir[2] + ent->movedir[2] ) * 0.5;
|
|
|
|
// slowing down coupled with fairly tight turns can lead us to orbit an enemy..looks bad so don't do it!
|
|
// vel *= 0.5f;
|
|
}
|
|
else if ( dot < 0.70f )
|
|
{
|
|
// Still a bit off, so we turn a bit softer
|
|
VectorMA( ent->movedir, 0.5f, targetdir, newdir );
|
|
}
|
|
else
|
|
{
|
|
// getting close, so turn a bit harder
|
|
VectorMA( ent->movedir, 0.9f, targetdir, newdir );
|
|
}
|
|
|
|
// add crazy drunkenness
|
|
for ( int i = 0; i < 3; i++ )
|
|
{
|
|
newdir[i] += Q_flrand(-1.0f, 1.0f) * ent->random * 0.25f;
|
|
}
|
|
|
|
// decay the randomness
|
|
ent->random *= 0.9f;
|
|
|
|
// Try to crash into the ground if we get close enough to do splash damage
|
|
float dis = Distance( ent->currentOrigin, org );
|
|
|
|
if ( dis < 128 )
|
|
{
|
|
// the closer we get, the more we push the rocket down, heh heh.
|
|
newdir[2] -= (1.0f - (dis / 128.0f)) * 0.6f;
|
|
}
|
|
|
|
VectorNormalize( newdir );
|
|
|
|
VectorScale( newdir, vel * 0.5f, ent->s.pos.trDelta );
|
|
VectorCopy( newdir, ent->movedir );
|
|
SnapVector( ent->s.pos.trDelta ); // save net bandwidth
|
|
VectorCopy( ent->currentOrigin, ent->s.pos.trBase );
|
|
ent->s.pos.trTime = level.time;
|
|
}
|
|
|
|
ent->nextthink = level.time + ROCKET_ALT_THINK_TIME; // Nothing at all spectacular happened, continue.
|
|
return;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
void WP_FireRocket( gentity_t *ent, qboolean alt_fire )
|
|
//---------------------------------------------------------
|
|
{
|
|
vec3_t start;
|
|
int damage = weaponData[WP_ROCKET_LAUNCHER].damage;
|
|
float vel = ROCKET_VELOCITY;
|
|
|
|
if ( alt_fire )
|
|
{
|
|
vel *= 0.5f;
|
|
}
|
|
|
|
vec3_t angs, forward;
|
|
if ( BG_UseVRPosition(ent))
|
|
{
|
|
BG_CalculateVRWeaponPosition(start, angs);
|
|
AngleVectors(angs, forward, NULL, NULL);
|
|
}
|
|
else {
|
|
VectorCopy( wpMuzzle, start );
|
|
VectorCopy(wpFwd, forward);
|
|
}
|
|
|
|
WP_TraceSetStart( ent, start, vec3_origin, vec3_origin );//make sure our start point isn't on the other side of a wall
|
|
|
|
gentity_t *missile = CreateMissile( start, forward, vel, 10000, ent, alt_fire );
|
|
|
|
missile->classname = "rocket_proj";
|
|
missile->s.weapon = WP_ROCKET_LAUNCHER;
|
|
missile->mass = 10;
|
|
|
|
// Do the damages
|
|
if ( ent->s.number != 0 )
|
|
{
|
|
if ( g_spskill->integer == 0 )
|
|
{
|
|
damage = ROCKET_NPC_DAMAGE_EASY;
|
|
}
|
|
else if ( g_spskill->integer == 1 )
|
|
{
|
|
damage = ROCKET_NPC_DAMAGE_NORMAL;
|
|
}
|
|
else
|
|
{
|
|
damage = ROCKET_NPC_DAMAGE_HARD;
|
|
}
|
|
}
|
|
|
|
if ( alt_fire )
|
|
{
|
|
int lockEntNum, lockTime;
|
|
if ( ent->NPC && ent->enemy )
|
|
{
|
|
lockEntNum = ent->enemy->s.number;
|
|
lockTime = Q_irand( 600, 1200 );
|
|
}
|
|
else
|
|
{
|
|
lockEntNum = g_rocketLockEntNum;
|
|
lockTime = g_rocketLockTime;
|
|
}
|
|
// we'll consider attempting to lock this little poochie onto some baddie.
|
|
if ( (lockEntNum > 0 || (ent->NPC && lockEntNum >= 0)) && lockEntNum < ENTITYNUM_WORLD && lockTime > 0 )
|
|
{
|
|
// take our current lock time and divide that by 8 wedge slices to get the current lock amount
|
|
int dif = ( level.time - lockTime ) / ( 1200.0f / 8.0f );
|
|
|
|
if ( dif < 0 )
|
|
{
|
|
dif = 0;
|
|
}
|
|
else if ( dif > 8 )
|
|
{
|
|
dif = 8;
|
|
}
|
|
|
|
// if we are fully locked, always take on the enemy.
|
|
// Also give a slight advantage to higher, but not quite full charges.
|
|
// Finally, just give any amount of charge a very slight random chance of locking.
|
|
if ( dif == 8 || Q_flrand(0.0f, 1.0f) * dif > 2 || Q_flrand(0.0f, 1.0f) > 0.97f )
|
|
{
|
|
missile->enemy = &g_entities[lockEntNum];
|
|
|
|
if ( missile->enemy && missile->enemy->inuse )//&& DistanceSquared( missile->currentOrigin, missile->enemy->currentOrigin ) < 262144 && InFOV( missile->currentOrigin, missile->enemy->currentOrigin, missile->enemy->client->ps.viewangles, 45, 45 ) )
|
|
{
|
|
vec3_t dir, dir2;
|
|
|
|
AngleVectors( missile->enemy->currentAngles, dir, NULL, NULL );
|
|
AngleVectors( ent->client->renderInfo.eyeAngles, dir2, NULL, NULL );
|
|
|
|
if ( DotProduct( dir, dir2 ) < 0.0f )
|
|
{
|
|
G_StartFlee( missile->enemy, ent, missile->enemy->currentOrigin, AEL_DANGER_GREAT, 3000, 5000 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
VectorCopy( wpFwd, missile->movedir );
|
|
|
|
missile->e_ThinkFunc = thinkF_rocketThink;
|
|
missile->random = 1.0f;
|
|
missile->nextthink = level.time + ROCKET_ALT_THINK_TIME;
|
|
}
|
|
|
|
// Make it easier to hit things
|
|
VectorSet( missile->maxs, ROCKET_SIZE, ROCKET_SIZE, ROCKET_SIZE );
|
|
VectorScale( missile->maxs, -1, missile->mins );
|
|
|
|
missile->damage = damage;
|
|
missile->dflags = DAMAGE_DEATH_KNOCKBACK;
|
|
|
|
if ( alt_fire )
|
|
{
|
|
missile->methodOfDeath = MOD_ROCKET_ALT;
|
|
missile->splashMethodOfDeath = MOD_ROCKET_ALT;// ?SPLASH;
|
|
}
|
|
else
|
|
{
|
|
missile->methodOfDeath = MOD_ROCKET;
|
|
missile->splashMethodOfDeath = MOD_ROCKET;// ?SPLASH;
|
|
}
|
|
|
|
missile->clipmask = MASK_SHOT | CONTENTS_LIGHTSABER;
|
|
missile->splashDamage = weaponData[WP_ROCKET_LAUNCHER].splashDamage;
|
|
missile->splashRadius = weaponData[WP_ROCKET_LAUNCHER].splashRadius;
|
|
|
|
// we don't want it to ever bounce
|
|
missile->bounceCount = 0;
|
|
}
|