qcsrc/common/weapons/weapon/machinegun.qc

   1 #include "machinegun.qh"
   2
   3 #ifdef SVQC
   4
   5 void W_MachineGun_MuzzleFlash_Think(entity this)
   6 {
   7         this.frame += 2;
   8         this.scale *= 0.5;
   9         this.alpha -= 0.25;
  10         this.nextthink = time + 0.05;
  11
  12         if(this.alpha <= 0)
  13         {
  14                 setthink(this, SUB_Remove);
  15                 this.nextthink = time;
  16                 this.realowner.muzzle_flash = NULL;
  17                 return;
  18         }
  19
  20 }
  21
  22 void W_MachineGun_MuzzleFlash(entity actor, .entity weaponentity)
  23 {
  24         entity wepent = actor.(weaponentity);
  25
  26         if(wepent.muzzle_flash == NULL)
  27                 wepent.muzzle_flash = spawn();
  28
  29         // muzzle flash for 1st person view
  30         setmodel(wepent.muzzle_flash, MDL_MACHINEGUN_MUZZLEFLASH); // precision set below
  31
  32         wepent.muzzle_flash.scale = 0.75;
  33         setthink(wepent.muzzle_flash, W_MachineGun_MuzzleFlash_Think);
  34         wepent.muzzle_flash.nextthink = time + 0.02;
  35         wepent.muzzle_flash.frame = 2;
  36         wepent.muzzle_flash.alpha = 0.75;
  37         wepent.muzzle_flash.angles_z = random() * 180;
  38         wepent.muzzle_flash.effects = EF_ADDITIVE | EF_FULLBRIGHT | EF_LOWPRECISION;
  39         wepent.muzzle_flash.owner = wepent.muzzle_flash.realowner = wepent;
  40 }
  41
  42 void W_MachineGun_Attack(Weapon thiswep, int deathtype, entity actor, .entity weaponentity)
  43 {
  44         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);
  45         if(!autocvar_g_norecoil)
  46         {
  47                 actor.punchangle_x = random() - 0.5;
  48                 actor.punchangle_y = random() - 0.5;
  49         }
  50         // this attack_finished just enforces a cooldown at the end of a burst
  51         ATTACK_FINISHED(actor, weaponentity) = time + WEP_CVAR(machinegun, first_refire) * W_WeaponRateFactor(actor);
  52
  53         if(actor.(weaponentity).misc_bulletcounter == 1)
  54                 fireBullet(actor, weaponentity, w_shotorg, w_shotdir, WEP_CVAR(machinegun, first_spread), WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, first_damage), WEP_CVAR(machinegun, first_force), deathtype, EFFECT_BULLET);
  55         else
  56                 fireBullet(actor, weaponentity, w_shotorg, w_shotdir, WEP_CVAR(machinegun, sustained_spread), WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, sustained_damage), WEP_CVAR(machinegun, sustained_force), deathtype, EFFECT_BULLET);
  57
  58         Send_Effect(EFFECT_MACHINEGUN_MUZZLEFLASH, w_shotorg, w_shotdir * 1000, 1);
  59
  60         W_MachineGun_MuzzleFlash(actor, weaponentity);
  61         W_AttachToShotorg(actor, weaponentity, actor.(weaponentity).muzzle_flash, '5 0 0');
  62
  63         // casing code
  64         if(autocvar_g_casings >= 2)
  65         {
  66                 makevectors(actor.v_angle); // for some reason, this is lost
  67                 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);
  68         }
  69
  70         if(actor.(weaponentity).misc_bulletcounter == 1)
  71                 W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, first_ammo), weaponentity);
  72         else
  73                 W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, sustained_ammo), weaponentity);
  74 }
  75
  76 // weapon frames
  77 void W_MachineGun_Attack_Frame(Weapon thiswep, entity actor, .entity weaponentity, int fire)
  78 {
  79         if(actor.(weaponentity).m_weapon != actor.(weaponentity).m_switchweapon || !weapon_prepareattack_check(thiswep, actor, weaponentity, (fire & 2), -1)) // abort immediately if switching
  80         {
  81                 w_ready(thiswep, actor, weaponentity, fire);
  82                 return;
  83         }
  84         if(PHYS_INPUT_BUTTON_ATCK(actor))
  85         {
  86                 if(!thiswep.wr_checkammo2(thiswep, actor, weaponentity))
  87                 if(!(actor.items & IT_UNLIMITED_WEAPON_AMMO))
  88                 {
  89                         W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
  90                         w_ready(thiswep, actor, weaponentity, fire);
  91                         return;
  92                 }
  93                 actor.(weaponentity).misc_bulletcounter = actor.(weaponentity).misc_bulletcounter + 1;
  94                 W_MachineGun_Attack(thiswep, thiswep.m_id, actor, weaponentity);
  95                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), W_MachineGun_Attack_Frame);
  96         }
  97         else
  98                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), w_ready);
  99 }
 100
 101
 102 void W_MachineGun_Attack_Auto(Weapon thiswep, entity actor, .entity weaponentity, int fire)
 103 {
 104         float machinegun_spread;
 105
 106         if(!(fire & 1) || !weapon_prepareattack_check(thiswep, actor, weaponentity, false, -1))
 107         {
 108                 w_ready(thiswep, actor, weaponentity, fire);
 109                 return;
 110         }
 111
 112         if(!thiswep.wr_checkammo1(thiswep, actor, weaponentity))
 113         if(!(actor.items & IT_UNLIMITED_WEAPON_AMMO))
 114         {
 115                 W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
 116                 w_ready(thiswep, actor, weaponentity, fire);
 117                 return;
 118         }
 119
 120         W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, sustained_ammo), weaponentity);
 121
 122         W_SetupShot(actor, weaponentity, true, 0, SND_UZI_FIRE, CH_WEAPON_A, WEP_CVAR(machinegun, sustained_damage), thiswep.m_id);
 123         if(!autocvar_g_norecoil)
 124         {
 125                 actor.punchangle_x = random() - 0.5;
 126                 actor.punchangle_y = random() - 0.5;
 127         }
 128
 129         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));
 130         fireBullet(actor, weaponentity, w_shotorg, w_shotdir, machinegun_spread, WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, sustained_damage), WEP_CVAR(machinegun, sustained_force), thiswep.m_id, EFFECT_BULLET);
 131
 132         actor.(weaponentity).misc_bulletcounter = actor.(weaponentity).misc_bulletcounter + 1;
 133
 134         Send_Effect(EFFECT_MACHINEGUN_MUZZLEFLASH, w_shotorg, w_shotdir * 1000, 1);
 135
 136         W_MachineGun_MuzzleFlash(actor, weaponentity);
 137         W_AttachToShotorg(actor, weaponentity, actor.(weaponentity).muzzle_flash, '5 0 0');
 138
 139         if(autocvar_g_casings >= 2) // casing code
 140         {
 141                 makevectors(actor.v_angle); // for some reason, this is lost
 142                 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);
 143         }
 144
 145         ATTACK_FINISHED(actor, weaponentity) = time + WEP_CVAR(machinegun, first_refire) * W_WeaponRateFactor(actor);
 146         weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), W_MachineGun_Attack_Auto);
 147 }
 148
 149 void W_MachineGun_Attack_Burst(Weapon thiswep, entity actor, .entity weaponentity, int fire)
 150 {
 151         W_SetupShot(actor, weaponentity, true, 0, SND_UZI_FIRE, CH_WEAPON_A, WEP_CVAR(machinegun, sustained_damage), thiswep.m_id);
 152         if(!autocvar_g_norecoil)
 153         {
 154                 actor.punchangle_x = random() - 0.5;
 155                 actor.punchangle_y = random() - 0.5;
 156         }
 157
 158         fireBullet(actor, weaponentity, w_shotorg, w_shotdir, WEP_CVAR(machinegun, burst_spread), WEP_CVAR(machinegun, solidpenetration), WEP_CVAR(machinegun, sustained_damage), WEP_CVAR(machinegun, sustained_force), thiswep.m_id, EFFECT_BULLET);
 159
 160         Send_Effect(EFFECT_MACHINEGUN_MUZZLEFLASH, w_shotorg, w_shotdir * 1000, 1);
 161
 162         W_MachineGun_MuzzleFlash(actor, weaponentity);
 163         W_AttachToShotorg(actor, weaponentity, actor.(weaponentity).muzzle_flash, '5 0 0');
 164
 165         if(autocvar_g_casings >= 2) // casing code
 166         {
 167                 makevectors(actor.v_angle); // for some reason, this is lost
 168                 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);
 169         }
 170
 171         actor.(weaponentity).misc_bulletcounter = actor.(weaponentity).misc_bulletcounter + 1;
 172         if(actor.(weaponentity).misc_bulletcounter == 0)
 173         {
 174                 ATTACK_FINISHED(actor, weaponentity) = time + WEP_CVAR(machinegun, burst_refire2) * W_WeaponRateFactor(actor);
 175                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(machinegun, burst_animtime), w_ready);
 176         }
 177         else
 178         {
 179                 weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(machinegun, burst_refire), W_MachineGun_Attack_Burst);
 180         }
 181
 182 }
 183
 184 METHOD(MachineGun, wr_aim, void(entity thiswep, entity actor, .entity weaponentity))
 185 {
 186     if(vdist(actor.origin - actor.enemy.origin, <, 3000 - bound(0, skill, 10) * 200))
 187         PHYS_INPUT_BUTTON_ATCK(actor) = bot_aim(actor, weaponentity, 1000000, 0, 0.001, false);
 188     else
 189         PHYS_INPUT_BUTTON_ATCK2(actor) = bot_aim(actor, weaponentity, 1000000, 0, 0.001, false);
 190 }
 191 METHOD(MachineGun, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
 192 {
 193     // forced reload - wait until the bulletcounter is 0 so a burst loop can finish
 194     if(WEP_CVAR(machinegun, reload_ammo)
 195         && actor.(weaponentity).clip_load < min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo))
 196         && actor.(weaponentity).misc_bulletcounter >= 0)
 197     {
 198         thiswep.wr_reload(thiswep, actor, weaponentity);
 199     }
 200     else if(WEP_CVAR(machinegun, mode) == 1)
 201     {
 202         if(fire & 1)
 203         if(weapon_prepareattack(thiswep, actor, weaponentity, false, 0))
 204         {
 205             actor.(weaponentity).misc_bulletcounter = 0;
 206             W_MachineGun_Attack_Auto(thiswep, actor, weaponentity, fire);
 207         }
 208
 209         // You can "shoot" more rounds than what's "used", and vice versa.
 210         if(fire & 2)
 211         if(weapon_prepareattack(thiswep, actor, weaponentity, true, 0))
 212         {
 213             if(!thiswep.wr_checkammo2(thiswep, actor, weaponentity))
 214             if(!(actor.items & IT_UNLIMITED_WEAPON_AMMO))
 215             {
 216                 W_SwitchWeapon_Force(actor, w_getbestweapon(actor, weaponentity), weaponentity);
 217                 w_ready(thiswep, actor, weaponentity, fire);
 218                 return;
 219             }
 220
 221             // We don't want to shoot 3 rounds if there's 2 left in the mag, so we'll use a fraction.
 222             // Also keep the fraction <= 1 otherwise we'd mag dump in one burst.
 223             float burst_fraction = min(1, actor.(weaponentity).clip_load / WEP_CVAR(machinegun, burst_ammo));
 224             int to_shoot = floor(WEP_CVAR(machinegun, burst) * burst_fraction);
 225
 226             // We also don't want to use 3 rounds if there's only 2 left.
 227             int to_use = min(WEP_CVAR(machinegun, burst_ammo), actor.(weaponentity).clip_load);
 228             W_DecreaseAmmo(thiswep, actor, to_use, weaponentity);
 229
 230             // Bursting counts up to 0 from a negative.
 231             actor.(weaponentity).misc_bulletcounter = -to_shoot;
 232             W_MachineGun_Attack_Burst(thiswep, actor, weaponentity, fire);
 233         }
 234     }
 235     else
 236     {
 237
 238         if(fire & 1)
 239         if(weapon_prepareattack(thiswep, actor, weaponentity, false, 0))
 240         {
 241             actor.(weaponentity).misc_bulletcounter = 1;
 242             W_MachineGun_Attack(thiswep, thiswep.m_id, actor, weaponentity); // sets attack_finished
 243             weapon_thinkf(actor, weaponentity, WFRAME_FIRE1, WEP_CVAR(machinegun, sustained_refire), W_MachineGun_Attack_Frame);
 244         }
 245
 246         if((fire & 2) && WEP_CVAR(machinegun, first))
 247         if(weapon_prepareattack(thiswep, actor, weaponentity, true, 0))
 248         {
 249             actor.(weaponentity).misc_bulletcounter = 1;
 250             W_MachineGun_Attack(thiswep, thiswep.m_id | HITTYPE_SECONDARY, actor, weaponentity); // sets attack_finished
 251             weapon_thinkf(actor, weaponentity, WFRAME_FIRE2, WEP_CVAR(machinegun, first_refire), w_ready);
 252         }
 253     }
 254 }
 255 METHOD(MachineGun, wr_checkammo1, bool(entity thiswep, entity actor, .entity weaponentity))
 256 {
 257     float ammo_amount;
 258     if(WEP_CVAR(machinegun, mode) == 1)
 259         ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR(machinegun, sustained_ammo);
 260     else
 261         ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR(machinegun, first_ammo);
 262
 263     if(WEP_CVAR(machinegun, reload_ammo))
 264     {
 265         if(WEP_CVAR(machinegun, mode) == 1)
 266             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR(machinegun, sustained_ammo);
 267         else
 268             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR(machinegun, first_ammo);
 269     }
 270     return ammo_amount;
 271 }
 272 METHOD(MachineGun, wr_checkammo2, bool(entity thiswep, entity actor, .entity weaponentity))
 273 {
 274     float ammo_amount;
 275     float burst_ammo_per_shot = WEP_CVAR(machinegun, burst_ammo) / WEP_CVAR(machinegun, burst);
 276     if(WEP_CVAR(machinegun, mode) == 1)
 277         ammo_amount = GetResource(actor, thiswep.ammo_type) >= burst_ammo_per_shot;
 278     else
 279         ammo_amount = GetResource(actor, thiswep.ammo_type) >= WEP_CVAR(machinegun, first_ammo);
 280
 281     if(WEP_CVAR(machinegun, reload_ammo))
 282     {
 283         if(WEP_CVAR(machinegun, mode) == 1)
 284             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= burst_ammo_per_shot;
 285         else
 286             ammo_amount += actor.(weaponentity).(weapon_load[thiswep.m_id]) >= WEP_CVAR(machinegun, first_ammo);
 287     }
 288     return ammo_amount;
 289 }
 290 METHOD(MachineGun, wr_reload, void(entity thiswep, entity actor, .entity weaponentity))
 291 {
 292         if(actor.(weaponentity).misc_bulletcounter < 0)
 293                 return;
 294     W_Reload(actor, weaponentity, min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo)), SND_RELOAD);
 295 }
 296 METHOD(MachineGun, wr_suicidemessage, Notification(entity thiswep))
 297 {
 298     return WEAPON_THINKING_WITH_PORTALS;
 299 }
 300 METHOD(MachineGun, wr_killmessage, Notification(entity thiswep))
 301 {
 302     if(w_deathtype & HITTYPE_SECONDARY)
 303         return WEAPON_MACHINEGUN_MURDER_SNIPE;
 304     else
 305         return WEAPON_MACHINEGUN_MURDER_SPRAY;
 306 }
 307
 308 #endif
 309 #ifdef CSQC
 310
 311 METHOD(MachineGun, wr_impacteffect, void(entity thiswep, entity actor))
 312 {
 313     vector org2;
 314     org2 = w_org + w_backoff * 2;
 315     pointparticles(EFFECT_MACHINEGUN_IMPACT, org2, w_backoff * 1000, 1);
 316     if(!w_issilent)
 317         sound(actor, CH_SHOTS, SND_RIC_RANDOM(), VOL_BASE, ATTN_NORM);
 318 }
 319
 320 #endif