From: Martin Taibr <taibr.martin@gmail.com>
Date: Thu, 12 Sep 2019 19:21:25 +0000 (+0200)
Subject: Merge branch 'master' into cloudwalk9/mgburstfix
X-Git-Tag: xonotic-v0.8.5~1287^2~2
X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fxonotic-data.pk3dir.git;a=commitdiff_plain;h=139a594d29f65508e5d6001e90d4ee4fad82ca66;hp=65f8f7b31f6c7f9928d729c4110304efe3406858

Merge branch 'master' into cloudwalk9/mgburstfix
---

diff --git a/qcsrc/common/weapons/weapon/machinegun.qc b/qcsrc/common/weapons/weapon/machinegun.qc
index aaf4900fe2..d219f6beda 100644
--- a/qcsrc/common/weapons/weapon/machinegun.qc
+++ b/qcsrc/common/weapons/weapon/machinegun.qc
@@ -190,10 +190,14 @@ METHOD(MachineGun, wr_aim, void(entity thiswep, entity actor, .entity weaponenti
 }
 METHOD(MachineGun, wr_think, void(entity thiswep, entity actor, .entity weaponentity, int fire))
 {
-    if(WEP_CVAR(machinegun, reload_ammo) && actor.(weaponentity).clip_load < min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo))) { // forced reload
+    // forced reload - wait until the bulletcounter is 0 so a burst loop can finish
+    if(WEP_CVAR(machinegun, reload_ammo)
+    && actor.(weaponentity).clip_load < min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo))
+    && actor.(weaponentity).misc_bulletcounter >= 0)
+    {
         thiswep.wr_reload(thiswep, actor, weaponentity);
-    } else
-    if(WEP_CVAR(machinegun, mode) == 1)
+    }
+    else if(WEP_CVAR(machinegun, mode) == 1)
     {
         if(fire & 1)
         if(weapon_prepareattack(thiswep, actor, weaponentity, false, 0))
@@ -202,6 +206,7 @@ METHOD(MachineGun, wr_think, void(entity thiswep, entity actor, .entity weaponen
             W_MachineGun_Attack_Auto(thiswep, actor, weaponentity, fire);
         }
 
+        // You can "shoot" more rounds than what's "used", and vice versa.
         if(fire & 2)
         if(weapon_prepareattack(thiswep, actor, weaponentity, true, 0))
         {
@@ -212,10 +217,18 @@ METHOD(MachineGun, wr_think, void(entity thiswep, entity actor, .entity weaponen
                 w_ready(thiswep, actor, weaponentity, fire);
                 return;
             }
-
-            W_DecreaseAmmo(thiswep, actor, WEP_CVAR(machinegun, burst_ammo), weaponentity);
-
-            actor.(weaponentity).misc_bulletcounter = WEP_CVAR(machinegun, burst) * -1;
+ 
+            // We don't want to shoot 3 rounds if there's 2 left in the mag, so we'll use a fraction.
+            // Also keep the fraction <= 1 otherwise we'd mag dump in one burst.
+            float burst_fraction = min(1, actor.(weaponentity).clip_load / WEP_CVAR(machinegun, burst_ammo));
+            int to_shoot = floor(WEP_CVAR(machinegun, burst) * burst_fraction);
+
+            // We also don't want to use 3 rounds if there's only 2 left.
+            int to_use = min(WEP_CVAR(machinegun, burst_ammo), actor.(weaponentity).clip_load);
+            W_DecreaseAmmo(thiswep, actor, to_use, weaponentity);
+
+            // Bursting counts up to 0 from a negative.
+            actor.(weaponentity).misc_bulletcounter = -to_shoot;
             W_MachineGun_Attack_Burst(thiswep, actor, weaponentity, fire);
         }
     }
@@ -275,6 +288,8 @@ METHOD(MachineGun, wr_checkammo2, bool(entity thiswep, entity actor, .entity wea
 }
 METHOD(MachineGun, wr_reload, void(entity thiswep, entity actor, .entity weaponentity))
 {
+	if(actor.(weaponentity).misc_bulletcounter < 0)
+		return;
     W_Reload(actor, weaponentity, min(max(WEP_CVAR(machinegun, sustained_ammo), WEP_CVAR(machinegun, first_ammo)), WEP_CVAR(machinegun, burst_ammo)), SND_RELOAD);
 }
 METHOD(MachineGun, wr_suicidemessage, Notification(entity thiswep))
diff --git a/qcsrc/server/weapons/weaponsystem.qc b/qcsrc/server/weapons/weaponsystem.qc
index 19ba40aa0b..f1655b6322 100644
--- a/qcsrc/server/weapons/weaponsystem.qc
+++ b/qcsrc/server/weapons/weaponsystem.qc
@@ -809,7 +809,6 @@ void W_Reload(entity actor, .entity weaponentity, float sent_ammo_min, Sound sen
 			}
 		}
 	}
-
 	if (this)
 	{
 		if (this.wframe == WFRAME_RELOAD) return;