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- scriptified Weapon.CheckAmmo and Weapon.DepleteAmmo

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This commit is contained in:
Christoph Oelckers 2018-11-24 11:29:57 +01:00
parent bd84a60663
commit ac77ca6474
2 changed files with 135 additions and 137 deletions
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131
src/g_inventory/a_weapons.cpp
View file

@ -224,85 +224,9 @@ bool AWeapon::CheckAmmo(int fireMode, bool autoSwitch, bool requireAmmo, int amm
VMCall(func, params, 5, &ret, 1);
return !!retval;
}
return DoCheckAmmo(fireMode, autoSwitch, requireAmmo, ammocount);
}
bool AWeapon::DoCheckAmmo (int fireMode, bool autoSwitch, bool requireAmmo, int ammocount)
{
int altFire;
int count1, count2;
int enough, enoughmask;
int lAmmoUse1;
if ((dmflags & DF_INFINITE_AMMO) || (Owner->FindInventory (PClass::FindActor(NAME_PowerInfiniteAmmo), true) != nullptr))
{
return true;
}
if (fireMode == EitherFire)
{
bool gotSome = CheckAmmo (PrimaryFire, false) || CheckAmmo (AltFire, false);
if (!gotSome && autoSwitch)
{
barrier_cast<APlayerPawn *>(Owner)->PickNewWeapon (nullptr);
}
return gotSome;
}
altFire = (fireMode == AltFire);
if (!requireAmmo && (WeaponFlags & (WIF_AMMO_OPTIONAL << altFire)))
{
return true;
}
count1 = (Ammo1 != nullptr) ? Ammo1->Amount : 0;
count2 = (Ammo2 != nullptr) ? Ammo2->Amount : 0;
if ((WeaponFlags & WIF_DEHAMMO) && (Ammo1 == nullptr))
{
lAmmoUse1 = 0;
}
else if (ammocount >= 0 && (WeaponFlags & WIF_DEHAMMO))
{
lAmmoUse1 = ammocount;
}
else
{
lAmmoUse1 = AmmoUse1;
}
enough = (count1 >= lAmmoUse1) | ((count2 >= AmmoUse2) << 1);
if (WeaponFlags & (WIF_PRIMARY_USES_BOTH << altFire))
{
enoughmask = 3;
}
else
{
enoughmask = 1 << altFire;
}
if (altFire && FindState(NAME_AltFire) == nullptr)
{ // If this weapon has no alternate fire, then there is never enough ammo for it
enough &= 1;
}
if (((enough & enoughmask) == enoughmask) || (enough && (WeaponFlags & WIF_AMMO_CHECKBOTH)))
{
return true;
}
// out of ammo, pick a weapon to change to
if (autoSwitch)
{
barrier_cast<APlayerPawn *>(Owner)->PickNewWeapon (nullptr);
}
return false;
}
DEFINE_ACTION_FUNCTION(AWeapon, CheckAmmo)
{
PARAM_SELF_PROLOGUE(AWeapon);
PARAM_INT(mode);
PARAM_BOOL(autoswitch);
PARAM_BOOL(require);
PARAM_INT(ammocnt);
ACTION_RETURN_BOOL(self->DoCheckAmmo(mode, autoswitch, require, ammocnt));
}
//===========================================================================
//
// AWeapon :: DepleteAmmo
@ -324,63 +248,8 @@ bool AWeapon::DepleteAmmo(bool altFire, bool checkEnough, int ammouse)
VMCall(func, params, 4, &ret, 1);
return !!retval;
}
return DoDepleteAmmo(altFire, checkEnough, ammouse);
}
bool AWeapon::DoDepleteAmmo (bool altFire, bool checkEnough, int ammouse)
{
if (!((dmflags & DF_INFINITE_AMMO) || (Owner->FindInventory (PClass::FindActor(NAME_PowerInfiniteAmmo), true) != nullptr)))
{
if (checkEnough && !CheckAmmo (altFire ? AltFire : PrimaryFire, false, false, ammouse))
{
return false;
}
if (!altFire)
{
if (Ammo1 != nullptr)
{
if (ammouse >= 0 && (WeaponFlags & WIF_DEHAMMO))
{
Ammo1->Amount -= ammouse;
}
else
{
Ammo1->Amount -= AmmoUse1;
}
}
if ((WeaponFlags & WIF_PRIMARY_USES_BOTH) && Ammo2 != nullptr)
{
Ammo2->Amount -= AmmoUse2;
}
}
else
{
if (Ammo2 != nullptr)
{
Ammo2->Amount -= AmmoUse2;
}
if ((WeaponFlags & WIF_ALT_USES_BOTH) && Ammo1 != nullptr)
{
Ammo1->Amount -= AmmoUse1;
}
}
if (Ammo1 != nullptr && Ammo1->Amount < 0)
Ammo1->Amount = 0;
if (Ammo2 != nullptr && Ammo2->Amount < 0)
Ammo2->Amount = 0;
}
return true;
}
DEFINE_ACTION_FUNCTION(AWeapon, DepleteAmmo)
{
PARAM_SELF_PROLOGUE(AWeapon);
PARAM_BOOL(altfire);
PARAM_BOOL(checkenough);
PARAM_INT(ammouse);
ACTION_RETURN_BOOL(self->DoDepleteAmmo(altfire, checkenough, ammouse));
}
//===========================================================================
//

139
wadsrc/static/zscript/inventory/weapons.txt
View file

@ -78,9 +78,6 @@ class Weapon : StateProvider native
Stop;
}
native virtual bool CheckAmmo(int fireMode, bool autoSwitch, bool requireAmmo = false, int ammocount = -1);
native virtual bool DepleteAmmo(bool altFire, bool checkEnough = true, int ammouse = -1);
virtual State GetReadyState ()
{
return FindState('Ready');
@ -262,13 +259,13 @@ class Weapon : StateProvider native
zoom = 1 / clamp(zoom, 0.1, 50.0);
if (flags & 1)
{ // Make the zoom instant.
self.player.FOV = self.player.DesiredFOV * zoom;
player.FOV = player.DesiredFOV * zoom;
}
if (flags & 2)
{ // Disable pitch/yaw scaling.
zoom = -zoom;
}
self.player.ReadyWeapon.FOVScale = zoom;
player.ReadyWeapon.FOVScale = zoom;
}
}
@ -703,6 +700,138 @@ class Weapon : StateProvider native
pspr.SetState(GetUpState());
}
//===========================================================================
//
// AWeapon :: CheckAmmo
//
// Returns true if there is enough ammo to shoot. If not, selects the
// next weapon to use.
//
//===========================================================================
virtual bool CheckAmmo(int fireMode, bool autoSwitch, bool requireAmmo = false, int ammocount = -1)
{
int count1, count2;
int enough, enoughmask;
int lAmmoUse1;
if (sv_infiniteammo || (Owner.FindInventory ('PowerInfiniteAmmo', true) != null))
{
return true;
}
if (fireMode == EitherFire)
{
bool gotSome = CheckAmmo (PrimaryFire, false) || CheckAmmo (AltFire, false);
if (!gotSome && autoSwitch)
{
PlayerPawn(Owner).PickNewWeapon (null);
}
return gotSome;
}
let altFire = (fireMode == AltFire);
let optional = (altFire? bAlt_Ammo_Optional : bAmmo_Optional);
let useboth = (altFire? bPrimary_Uses_Both : bAlt_Uses_Both);
if (!requireAmmo && optional)
{
return true;
}
count1 = (Ammo1 != null) ? Ammo1.Amount : 0;
count2 = (Ammo2 != null) ? Ammo2.Amount : 0;
if (bDehAmmo && Ammo1 == null)
{
lAmmoUse1 = 0;
}
else if (ammocount >= 0 && bDehAmmo)
{
lAmmoUse1 = ammocount;
}
else
{
lAmmoUse1 = AmmoUse1;
}
enough = (count1 >= lAmmoUse1) | ((count2 >= AmmoUse2) << 1);
if (useboth)
{
enoughmask = 3;
}
else
{
enoughmask = 1 << altFire;
}
if (altFire && FindState('AltFire') == null)
{ // If this weapon has no alternate fire, then there is never enough ammo for it
enough &= 1;
}
if (((enough & enoughmask) == enoughmask) || (enough && bAmmo_CheckBoth))
{
return true;
}
// out of ammo, pick a weapon to change to
if (autoSwitch)
{
PlayerPawn(Owner).PickNewWeapon (null);
}
return false;
}
//===========================================================================
//
// AWeapon :: DepleteAmmo
//
// Use up some of the weapon's ammo. Returns true if the ammo was successfully
// depleted. If checkEnough is false, then the ammo will always be depleted,
// even if it drops below zero.
//
//===========================================================================
virtual bool DepleteAmmo(bool altFire, bool checkEnough = true, int ammouse = -1)
{
if (!(sv_infiniteammo || (Owner.FindInventory ('PowerInfiniteAmmo', true) != null)))
{
if (checkEnough && !CheckAmmo (altFire ? AltFire : PrimaryFire, false, false, ammouse))
{
return false;
}
if (!altFire)
{
if (Ammo1 != null)
{
if (ammouse >= 0 && bDehAmmo)
{
Ammo1.Amount -= ammouse;
}
else
{
Ammo1.Amount -= AmmoUse1;
}
}
if (bPRIMARY_USES_BOTH && Ammo2 != null)
{
Ammo2.Amount -= AmmoUse2;
}
}
else
{
if (Ammo2 != null)
{
Ammo2.Amount -= AmmoUse2;
}
if (bALT_USES_BOTH && Ammo1 != null)
{
Ammo1.Amount -= AmmoUse1;
}
}
if (Ammo1 != null && Ammo1.Amount < 0)
Ammo1.Amount = 0;
if (Ammo2 != null && Ammo2.Amount < 0)
Ammo2.Amount = 0;
}
return true;
}
}