Grenades as secondary weapon

[cxong]

Grenades as weapons seem out of place in C-Dogs. They may work better if they were used as a secondary weapon.

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[cxong]

• [x] Add "is grenade" weapon attribute. Maybe this can cover mines and dynamite as well?
• [x] Show grenades in separate menu in weapon selection menu
• [x] Add a "throw grenade" button that only fires the grenade
• [x] Weapon switch only cycles through non-grenade slots (unless only the grenade slot is chosen)
• [x] Add HUD element to show grenade and ammo (as icons)

[cxong]

• [x] Combine grenade gun and ammo pickups

[cxong]

For the throw grenade button, look at what other games use for a similar function:

• Halo uses left trigger mostly (https://www.halopedia.org/Xbox_controller_layout)
• CoD4 uses right bumper for normal grenades and left bumper for special grenades (https://strategywiki.org/wiki/Call_of_Duty_4:_Modern_Warfare/Controls)
• BF4 uses left bumper (http://au.ign.com/wikis/battlefield-4/Controls)
• Any other comparable games?

Keep in mind though that console FPS games use right-analog look, so you can look with the right hand and throw with the left hand. C-Dogs SDL uses left-analog / dpad for move/look, so perhaps using the left hand for throwing grenades isn't the best.

Also, GCW-Zero only has one set of shoulder buttons. Although I think they are currently unused? Need to check.

Update: left shoulder is used but right shoulder isn't. I guess it's settled: right shoulder / right bumper will be used to throw grenades.

[cxong]

Need to make sure that AI can use grenades, both coop and enemies

[cxong]

We want to combine gun pickups with ammo pickups for grenades. That is,

• Only use ammo pickups
• If the player has the gun, pick up as if it is ammo
• Else, treat it like a gun pickup - press switch to get the gun

The problem is that with ammo settings removed, ammo pickups are remod too. We still want to have gun pickups. Therefore the solution is to keep both gun and ammo pickups, but for the gun pickup type, replace it with the ammo pickup when it is actually spawned.

[cxong]

Some outstanding problems:

• Co-op AI doesn't understand grenade pickups
• Gas grenades and confusion bombs share an ammo; this will disable one of the two from being picked up

[cxong]

With this change, it is better if all grenades had unique ammo types.