qcsrc/common/weapons/weapon/machinegun.qc

   1 #include "machinegun.qh"
   2
   3 #ifdef SVQC
   4
   5 void W_MachineGun_Attack(Weapon thiswep, int deathtype, entity actor, .entity weaponentity)
   6 {
   7         W_SetupShot(actor, weaponentity, true, 0, SND_UZI_FIRE, CH_WEAPON_A, ((actor.(weaponentity).misc_bulletcounter == 1) ? WEP_CVAR(machinegun, first_damage) : WEP_CVAR(machinegun, sustained_damage)), deathtype);
   8         if(!autocvar_g_norecoil)
   9         {
  10                 actor.punchangle_x = random() - 0.5;
  11                 actor.punchangle_y = random() - 0.5;
  12         }
  13         // this attack_finished just enforces a cooldown at the end of a burst
  14         ATTACK_FINISHED(actor, weaponentity) = time + WEP_CVAR(machinegun, first_refire) * W_WeaponRateFactor(actor);
  15
  16         if(actor.(weaponentity).misc_bulletcounter == 1)
  17                 fireBullet(actor, weaponentity, w_shotorg, w_shotdir, WEP_CVAR(machinegun, first_spread), WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, first_damage), 0, WEP_CVAR(machinegun, first_force), deathtype, EFFECT_BULLET);
  18         else
  19                 fireBullet(actor, weaponentity, w_shotorg, w_shotdir, WEP_CVAR(machinegun, sustained_spread), WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, sustained_damage), 0, WEP_CVAR(machinegun, sustained_force), deathtype, EFFECT_BULLET);
  20
  21         W_MuzzleFlash(thiswep, actor, weaponentity, w_shotorg, w_shotdir);
  22
  23         // casing code
  24         if(autocvar_g_casings >= 2)
  25         {
  26                 makevectors(actor.v_angle); // for some reason, this is lost
  27                 SpawnCasing(((random() * 50 + 50) * v_right) - (v_forward * (random() * 25 + 25)) - ((random() * 5 - 70) * v_up), 2, vectoangles(v_forward),'0 250 0', 100, 3, actor, weaponentity);
  28         }
  29
  30         if(actor.(weaponentity).misc_bulletcounter == 1)
  31                 W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, first_ammo), weaponentity);
  32         else
  33                 W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, sustained_ammo), weaponentity);
  34 }
  35
  36 // weapon frames
  37 void W_MachineGun_Attack_Frame(Weapon thiswep, entity actor, .entity weaponentity, int fire)
  38 {
  39         if(actor.(weaponentity).m_weapon != actor.(weaponentity).m_switchweapon || !weapon_prepareattack_check(thiswep, actor, weaponentity, (fire & 2), -1)) // abort immediately if switching
  40         {
  41                 w_ready(thiswep, actor, weaponentity, fire);
  42                 return;
  43         }
  44         if(PHYS_INPUT_BUTTON_ATCK(actor))
  45         {
  46                 if(!thiswep.wr_checkammo2(thiswep, actor, weaponentity))
  47                 if(!(actor.items & IT_UNLIMITED_AMMO))
  48                 {
  49                         W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
  50                         w_ready(thiswep, actor, weaponentity, fire);
  51                         return;
  52                 }
  53                 actor.(weaponentity).misc_bulletcounter = actor.(weaponentity).misc_bulletcounter + 1;
  54                 W_MachineGun_Attack(thiswep, thiswep.m_id, actor, weaponentity);
  55                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), W_MachineGun_Attack_Frame);
  56         }
  57         else
  58                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), w_ready);
  59 }
  60
  61
  62 void W_MachineGun_Attack_Auto(Weapon thiswep, entity actor, .entity weaponentity, int fire)
  63 {
  64         float machinegun_spread;
  65
  66         if(!(fire & 1) || !weapon_prepareattack_check(thiswep, actor, weaponentity, false, -1))
  67         {
  68                 w_ready(thiswep, actor, weaponentity, fire);
  69                 return;
  70         }
  71
  72         if(!thiswep.wr_checkammo1(thiswep, actor, weaponentity))
  73         if(!(actor.items & IT_UNLIMITED_AMMO))
  74         {
  75                 W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
  76                 w_ready(thiswep, actor, weaponentity, fire);
  77                 return;
  78         }
  79
  80         W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, sustained_ammo), weaponentity);
  81
  82         W_SetupShot(actor, weaponentity, true, 0, SND_UZI_FIRE, CH_WEAPON_A, WEP_CVAR(machinegun, sustained_damage), thiswep.m_id);
  83         if(!autocvar_g_norecoil)
  84         {
  85                 actor.punchangle_x = random() - 0.5;
  86                 actor.punchangle_y = random() - 0.5;
  87         }
  88
  89         machinegun_spread = bound(WEP_CVAR(machinegun, spread_min), WEP_CVAR(machinegun, spread_min) + (WEP_CVAR(machinegun, spread_add) * actor.(weaponentity).misc_bulletcounter), WEP_CVAR(machinegun, spread_max));
  90         fireBullet(actor, weaponentity, w_shotorg, w_shotdir, machinegun_spread, WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, sustained_damage), 0, WEP_CVAR(machinegun, sustained_force), thiswep.m_id, EFFECT_BULLET);
  91
  92         actor.(weaponentity).misc_bulletcounter = actor.(weaponentity).misc_bulletcounter + 1;
  93
  94         W_MuzzleFlash(thiswep, actor, weaponentity, w_shotorg, w_shotdir);
  95
  96         if(autocvar_g_casings >= 2) // casing code
  97         {
  98                 makevectors(actor.v_angle); // for some reason, this is lost
  99                 SpawnCasing(((random() * 50 + 50) * v_right) - (v_forward * (random() * 25 + 25)) - ((random() * 5 - 70) * v_up), 2, vectoangles(v_forward),'0 250 0', 100, 3, actor, weaponentity);
 100         }
 101
 102         ATTACK_FINISHED(actor, weaponentity) = time + WEP_CVAR(machinegun, first_refire) * W_WeaponRateFactor(actor);
 103         weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), W_MachineGun_Attack_Auto);
 104 }
 105
 106 void W_MachineGun_Attack_Burst(Weapon thiswep, entity actor, .entity weaponentity, int fire)
 107 {
 108         W_SetupShot(actor, weaponentity, true, 0, SND_UZI_FIRE, CH_WEAPON_A, WEP_CVAR(machinegun, sustained_damage), thiswep.m_id);
 109         if(!autocvar_g_norecoil)
 110         {
 111                 actor.punchangle_x = random() - 0.5;
 112                 actor.punchangle_y = random() - 0.5;
 113         }
 114
 115         fireBullet(actor, weaponentity, w_shotorg, w_shotdir, WEP_CVAR(machinegun, burst_spread), WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, sustained_damage), 0, WEP_CVAR(machinegun, sustained_force), thiswep.m_id, EFFECT_BULLET);
 116
 117         W_MuzzleFlash(thiswep, actor, weaponentity, w_shotorg, w_shotdir);
 118
 119         if(autocvar_g_casings >= 2) // casing code
 120         {
 121                 makevectors(actor.v_angle); // for some reason, this is lost
 122                 SpawnCasing(((random() * 50 + 50) * v_right) - (v_forward * (random() * 25 + 25)) - ((random() * 5 - 70) * v_up), 2, vectoangles(v_forward),'0 250 0', 100, 3, actor, weaponentity);
 123         }
 124
 125         actor.(weaponentity).misc_bulletcounter = actor.(weaponentity).misc_bulletcounter + 1;
 126         if(actor.(weaponentity).misc_bulletcounter == 0)
 127         {
 128                 ATTACK_FINISHED(actor, weaponentity) = time + WEP_CVAR(machinegun, burst_refire2) * W_WeaponRateFactor(actor);
 129                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(machinegun, burst_animtime), w_ready);
 130         }
 131         else
 132         {
 133                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(machinegun, burst_refire), W_MachineGun_Attack_Burst);
 134         }
 135
 136 }
 137
 138 METHOD(MachineGun, wr_aim, void(entity thiswep, entity actor, .entity weaponentity))
 139 {
 140     if(vdist(actor.origin - actor.enemy.origin, <, 3000 - bound(0, skill, 10) * 200))
 141         PHYS_INPUT_BUTTON_ATCK(actor) = bot_aim(actor, weaponentity, 1000000, 0, 0.001, false);
 142     else
 143         PHYS_INPUT_BUTTON_ATCK2(actor) = bot_aim(actor, weaponentity, 1000000, 0, 0.001, false);
 144 }
 145 METHOD(MachineGun, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
 146 {
 147     // forced reload - wait until the bulletcounter is 0 so a burst loop can finish
 148     if(WEP_CVAR(machinegun, reload_ammo)
 149         && actor.(weaponentity).clip_load < min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo))
 150         && actor.(weaponentity).misc_bulletcounter >= 0)
 151     {
 152         thiswep.wr_reload(thiswep, actor, weaponentity);
 153     }
 154     else if(WEP_CVAR(machinegun, mode) == 1)
 155     {
 156         if(fire & 1)
 157         if(weapon_prepareattack(thiswep, actor, weaponentity, false, 0))
 158         {
 159             actor.(weaponentity).misc_bulletcounter = 0;
 160             W_MachineGun_Attack_Auto(thiswep, actor, weaponentity, fire);
 161         }
 162
 163         // You can "shoot" more rounds than what's "used", and vice versa.
 164         if(fire & 2)
 165         if(weapon_prepareattack(thiswep, actor, weaponentity, true, 0))
 166         {
 167             if(!thiswep.wr_checkammo2(thiswep, actor, weaponentity))
 168             if(!(actor.items & IT_UNLIMITED_AMMO))
 169             {
 170                 W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
 171                 w_ready(thiswep, actor, weaponentity, fire);
 172                 return;
 173             }
 174
 175             float ammo_available;
 176             if (WEP_CVAR(machinegun, reload_ammo) > 0)
 177             {
 178                 ammo_available = actor.(weaponentity).clip_load;
 179             }
 180             else
 181             {
 182                 ammo_available = GetResource(actor, thiswep.ammo_type);
 183             }
 184
 185             // We don't want to shoot 3 rounds if there's 2 left in the mag, so we'll use a fraction.
 186             // Also keep the fraction <= 1 otherwise we'd mag dump in one burst.
 187             float burst_fraction = min(1, ammo_available / WEP_CVAR(machinegun, burst_ammo));
 188             int to_shoot = floor(WEP_CVAR(machinegun, burst) * burst_fraction);
 189
 190             // We also don't want to use 3 rounds if there's only 2 left.
 191             int to_use = min(WEP_CVAR(machinegun, burst_ammo), ammo_available);
 192             W_DecreaseAmmo(thiswep, actor, to_use, weaponentity);
 193
 194             // Bursting counts up to 0 from a negative.
 195             actor.(weaponentity).misc_bulletcounter = -to_shoot;
 196             W_MachineGun_Attack_Burst(thiswep, actor, weaponentity, fire);
 197         }
 198     }
 199     else
 200     {
 201
 202         if(fire & 1)
 203         if(weapon_prepareattack(thiswep, actor, weaponentity, false, 0))
 204         {
 205             actor.(weaponentity).misc_bulletcounter = 1;
 206             W_MachineGun_Attack(thiswep, thiswep.m_id, actor, weaponentity); // sets attack_finished
 207             weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), W_MachineGun_Attack_Frame);
 208         }
 209
 210         if((fire & 2) && WEP_CVAR(machinegun, first))
 211         if(weapon_prepareattack(thiswep, actor, weaponentity, true, 0))
 212         {
 213             actor.(weaponentity).misc_bulletcounter = 1;
 214             W_MachineGun_Attack(thiswep, thiswep.m_id | HITTYPE_SECONDARY, actor, weaponentity); // sets attack_finished
 215             weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(machinegun, first_refire), w_ready);
 216         }
 217     }
 218 }
 219 METHOD(MachineGun, wr_checkammo1, bool(entity thiswep, entity actor, .entity weaponentity))
 220 {
 221     float ammo_amount;
 222     if(WEP_CVAR(machinegun, mode) == 1)
 223         ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR(machinegun, sustained_ammo);
 224     else
 225         ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR(machinegun, first_ammo);
 226
 227     if(WEP_CVAR(machinegun, reload_ammo))
 228     {
 229         if(WEP_CVAR(machinegun, mode) == 1)
 230             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR(machinegun, sustained_ammo);
 231         else
 232             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR(machinegun, first_ammo);
 233     }
 234     return ammo_amount;
 235 }
 236 METHOD(MachineGun, wr_checkammo2, bool(entity thiswep, entity actor, .entity weaponentity))
 237 {
 238     float ammo_amount;
 239     float burst_ammo_per_shot = WEP_CVAR(machinegun, burst_ammo) / WEP_CVAR(machinegun, burst);
 240     if(WEP_CVAR(machinegun, mode) == 1)
 241         ammo_amount = GetResource(actor, thiswep.ammo_type) >= burst_ammo_per_shot;
 242     else
 243         ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR(machinegun, first_ammo);
 244
 245     if(WEP_CVAR(machinegun, reload_ammo))
 246     {
 247         if(WEP_CVAR(machinegun, mode) == 1)
 248             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= burst_ammo_per_shot;
 249         else
 250             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR(machinegun, first_ammo);
 251     }
 252     return ammo_amount;
 253 }
 254 METHOD(MachineGun, wr_reload, void(entity thiswep, entity actor, .entity weaponentity))
 255 {
 256         if(actor.(weaponentity).misc_bulletcounter < 0)
 257                 return;
 258     W_Reload(actor, weaponentity, min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo)), SND_RELOAD);
 259 }
 260 METHOD(MachineGun, wr_suicidemessage, Notification(entity thiswep))
 261 {
 262     return WEAPON_THINKING_WITH_PORTALS;
 263 }
 264 METHOD(MachineGun, wr_killmessage, Notification(entity thiswep))
 265 {
 266     if(w_deathtype & HITTYPE_SECONDARY)
 267         return WEAPON_MACHINEGUN_MURDER_SNIPE;
 268     else
 269         return WEAPON_MACHINEGUN_MURDER_SPRAY;
 270 }
 271
 272 #endif
 273 #ifdef CSQC
 274
 275 METHOD(MachineGun, wr_impacteffect, void(entity thiswep, entity actor))
 276 {
 277     vector org2;
 278     org2 = w_org + w_backoff * 2;
 279     pointparticles(EFFECT_MACHINEGUN_IMPACT, org2, w_backoff * 1000, 1);
 280     if(!w_issilent)
 281         sound(actor, CH_SHOTS, SND_RIC_RANDOM(), VOL_BASE, ATTN_NORM);
 282 }
 283
 284 #endif