Implement the Lightning Gun.

5 files changed, 81 insertions, 3 deletions

diff --git a/src/game/bg_misc.c b/src/game/bg_misc.c
index 742363d..efdc300 100644
--- a/src/game/bg_misc.c
+++ b/src/game/bg_misc.c
@@ -3575,6 +3575,31 @@ static const weaponAttributes_t bg_weapons[ ] =
     TEAM_HUMANS           //team_t    team;
   },
   {
+    WP_LIGHTNING_GUN,     //int       weaponNum;
+    LIGHTNING_PRICE,      //int       price;
+    STAGE_GE_5,           //int  stages
+    SLOT_WEAPON,          //int       slots;
+    "lightning",          //char      *weaponName;
+    "[yefarms]Lightning Gun",     //char      *humanName;
+    "This is a lightning gun. It guns lightning.",
+    LIGHTNING_AMMO,       //int       maxAmmo;
+    0,                    //int       maxClips;
+    qfalse,               //int       infiniteAmmo;
+    qtrue,                //int       usesEnergy;
+    LIGHTNING_REPEAT,     //int       repeatRate1;
+    0,                    //int       repeatRate2;
+    0,                    //int       repeatRate3;
+    0,                    //int       reloadTime;
+    LIGHTNING_K_SCALE,    //float     knockbackScale;
+    qfalse,               //qboolean  hasAltMode;
+    qfalse,               //qboolean  hasThirdMode;
+    qfalse,               //qboolean  canZoom;
+    90.0f,                //float     zoomFov;
+    qtrue,                //qboolean  purchasable;
+    qtrue,                //qboolean  longRanged;
+    TEAM_HUMANS           //team_t    team;
+  },
+  {
     WP_LUCIFER_CANNON,    //int       weaponNum;
     LCANNON_PRICE,        //int       price;
     STAGE_GE_5,           //int  stages
diff --git a/src/game/bg_mod.h b/src/game/bg_mod.h
index 4929b32..6f09037 100644
--- a/src/game/bg_mod.h
+++ b/src/game/bg_mod.h
@@ -8,6 +8,7 @@ MOD( MOD_CHAINGUN ),
 MOD( MOD_PRIFLE ),
 MOD( MOD_MDRIVER ),
 MOD( MOD_LASGUN ),
+MOD( MOD_LIGHTNING ),
 MOD( MOD_LCANNON ),
 MOD( MOD_LCANNON_SPLASH ),
 MOD( MOD_FLAMER ),
diff --git a/src/game/bg_public.h b/src/game/bg_public.h
index c0b6381..18b0d2e 100644
--- a/src/game/bg_public.h
+++ b/src/game/bg_public.h
@@ -356,6 +356,7 @@ typedef enum
   WP_CHAINGUN,
   WP_FLAMER,
   WP_PULSE_RIFLE,
+  WP_LIGHTNING_GUN,
   WP_LUCIFER_CANNON,
   WP_ROCKET_LAUNCHER,
   WP_GRENADE,
diff --git a/src/game/g_weapon.c b/src/game/g_weapon.c
index d869fb1..1c333ab 100644
--- a/src/game/g_weapon.c
+++ b/src/game/g_weapon.c
@@ -819,9 +819,7 @@ void LCChargeFire( gentity_t *ent, qboolean secondary )
 
 /*
 ======================================================================
-
-PULSE RIFLE
-
+ROCKET LAUNCHER
 ======================================================================
 */
 
@@ -830,6 +828,48 @@ void rocketLauncherFire( gentity_t *ent )
   fire_rocket( ent, muzzle, forward );
 }
 
+
+/*
+======================================================================
+LIGHTNING GUN
+======================================================================
+*/
+
+void lightningGunFire( gentity_t *ent )
+{
+	vec3_t start, end;
+	trace_t tr;
+	gentity_t *target;
+
+	VectorMA( muzzle, LIGHTNING_RANGE, forward, end );
+
+	G_UnlaggedOn( ent, muzzle, LIGHTNING_RANGE );
+	trap_Trace( &tr, muzzle, NULL, NULL, end, ent->s.number, MASK_SHOT );
+	G_UnlaggedOff( );
+
+	if( tr.fraction == 1.0f ||
+	    tr.entityNum == ENTITYNUM_NONE ||
+	    ( tr.surfaceFlags & SURF_NOIMPACT ) )
+		return;
+
+	target = g_entities + tr.entityNum;
+
+	if( target->s.eType == ET_PLAYER || target->s.eType == ET_BUILDABLE )
+		BloodSpurt( ent, target, &tr );
+	else
+	{
+		gentity_t *tent;
+
+		tent = G_TempEntity( tr.endpos, EV_MISSILE_MISS );
+		tent->s.eventParm = DirToByte( tr.plane.normal );
+		tent->s.weapon = ent->s.weapon;
+		tent->s.generic1 = ent->s.generic1;
+  }
+
+	G_Damage( target, ent, ent, forward, tr.endpos, LIGHTNING_DAMAGE, 0, MOD_LIGHTNING );
+}
+
+
 /*
 ======================================================================
 TESLA GENERATOR
@@ -1976,6 +2016,9 @@ void FireWeapon( gentity_t *ent )
     case WP_ROCKET_LAUNCHER:
       rocketLauncherFire( ent );
       break;
+    case WP_LIGHTNING_GUN:
+      lightningGunFire( ent );
+      break;
     case WP_GRENADE:
       throwGrenade( ent );
       break;
diff --git a/src/game/tremulous.h b/src/game/tremulous.h
index e7512d5..b42a7b4 100644
--- a/src/game/tremulous.h
+++ b/src/game/tremulous.h
@@ -514,6 +514,14 @@ TREMULOUS EDGE MOD SRC FILE
 #define PRIFLE_SECONDARY_SPEED      800
 #define PRIFLE_SECONDARY_REPEAT     400
 
+#define LIGHTNING_PRICE             500
+#define LIGHTNING_AMMO              500
+#define LIGHTNING_K_SCALE           500
+#define LIGHTNING_DPS               100 // damage per second
+#define LIGHTNING_REPEAT            50 // keep it as low as possible
+#define LIGHTNING_DAMAGE            ( LIGHTNING_DPS * LIGHTNING_REPEAT / 1000 )
+#define LIGHTNING_RANGE             450
+
 #define LCANNON_PRICE               600
 #define LCANNON_AMMO                80
 #define LCANNON_K_SCALE             1.0f