Exosuit Update 3: Overheat Edition (#22538)

* too slow, mqiib

* adds sprites, removes unused equipment

* i love pushing untested changes!!!

* balance

* fix + repair qol

* forgor to remove this line

* Update declarations.dm

Author: SapphicOverload

code/__DEFINES/atom_hud.dm

@@ -40,10 +40,12 @@
 #define AI_DETECT_HUD	"19"
 #define NANITE_HUD "20"
 #define DIAG_NANITE_FULL_HUD "21"
+/// Shows mech overheating status.
+#define DIAG_OVERHEAT_HUD "22"
 /// Displays launchpads' targeting reticle
-#define DIAG_LAUNCHPAD_HUD "22"
+#define DIAG_LAUNCHPAD_HUD "23"
 //for antag huds. these are used at the /mob level
-#define ANTAG_HUD		"23"
+#define ANTAG_HUD		"24"
 
 //by default everything in the hud_list of an atom is an image
 //a value in hud_list with one of these will change that behavior

code/__DEFINES/mecha.dm

@@ -0,0 +1,36 @@
+#define MECHA_INT_FIRE			(1<<0)
+#define MECHA_INT_TEMP_CONTROL	(1<<1)
+#define MECHA_INT_SHORT_CIRCUIT	(1<<2)
+#define MECHA_INT_TANK_BREACH	(1<<3)
+#define MECHA_INT_CONTROL_LOST	(1<<4)
+
+#define MECHA_MELEE (1<<0)
+#define MECHA_RANGED (1<<1)
+
+#define FRONT_ARMOUR 1
+#define SIDE_ARMOUR 2
+#define BACK_ARMOUR 3
+
+#define MECHA_MAX_COOLDOWN 30 // Prevents long cooldown equipment from messing up combat
+
+/// Minimum overheat to show an alert to the pilot
+#define OVERHEAT_WARNING 50
+/// Minimum overheat required to cause slowdown
+#define OVERHEAT_THRESHOLD 100
+/// Maximum overheat caused by EMPs, prevents permanent lockdown from ion rifles
+#define OVERHEAT_EMP_MAX 130
+/// Maximum overheat level possible, causes total immobilization
+#define OVERHEAT_MAXIMUM 150
+/// Amount of overheat reduced every process
+#define PASSIVE_COOLING -5
+/// Amount of cooling per decisecond-tick while stationary
+#define STATIONARY_COOLING -0.1
+/// Maximum cooling per second-tick from being stationary
+#define STATIONARY_COOLING_MAXIMUM -10
+/// Maximum heating from being in a hot environment
+#define ENVIRONMENT_HEATING 5
+/// Overheating per tile moved when overload is active
+#define OVERLOAD_HEAT_COST 4
+
+/// This trait is caused by overheating
+#define OVERHEAT_TRAIT "overheating"

code/__DEFINES/projectiles.dm

@@ -7,4 +7,5 @@
 
 // Penetration flags
 #define PENETRATE_OBJECTS (1<<0)
-#define PENETRATE_MOBS (1<<1)
+#define PENETRATE_WALLS	(1<<1)
+#define PENETRATE_MOBS (1<<2)

code/__DEFINES/subsystems.dm

@@ -200,6 +200,7 @@
 #define FIRE_PRIORITY_FIELDS		30
 #define FIRE_PRIORITY_SMOOTHING 	35
 #define FIRE_PRIORITY_OBJ			40
+#define FIRE_PRIORITY_MECHA			40
 #define FIRE_PRIORITY_ACID			40
 #define FIRE_PRIORITY_BURNING		40
 #define FIRE_PRIORITY_DEFAULT		50

code/__DEFINES/traits.dm

@@ -129,4 +129,4 @@
  * 
  * THAT FILE IS FOUND INSIDE THE TRAITS FOLDER 
  */
-/////////////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////////////

code/__DEFINES/traits/declarations.dm

@@ -52,6 +52,8 @@
 #define TRAIT_ALIEN_SNEAK "sneaking_alien"
 ///This mob can't use vehicles
 #define TRAIT_NOVEHICLE	"no_vehicle"
+/// This mech is fully disabled
+#define TRAIT_MECH_DISABLED "mech_disabled"
 /// You can't see color!
 #define TRAIT_COLORBLIND "color_blind"
 /// This person is crying

code/_onclick/hud/alert.dm

@@ -605,6 +605,11 @@ so as to remain in compliance with the most up-to-date laws."
 	desc = "Mech integrity is low."
 	icon_state = "low_mech_integrity"
 
+/atom/movable/screen/alert/overheating
+	name = "Mech Overheating"
+	desc = "Mech internal temperature is high."
+	icon_state = "overheat"
+
 
 //GHOSTS
 //TODO: expand this system to replace the pollCandidates/CheckAntagonist/"choose quickly"/etc Yes/No messages

code/controllers/subsystem/processing/mecha.dm

@@ -0,0 +1,5 @@
+PROCESSING_SUBSYSTEM_DEF(mecha)
+	name = "Mecha"
+	priority = FIRE_PRIORITY_MECHA
+	flags = SS_NO_INIT
+	wait = 0.5 SECONDS

code/game/atom/_atom.dm

@@ -402,8 +402,7 @@
   * We then return the protection value
   */
 /atom/proc/emp_act(severity)
-	SEND_SIGNAL(src, COMSIG_ATOM_EMP_ACT, severity)
-	var/protection = NONE
+	var/protection = SEND_SIGNAL(src, COMSIG_ATOM_EMP_ACT, severity)
 	if(HAS_TRAIT(src, TRAIT_EMPPROOF_CONTENTS))
 		protection |= EMP_PROTECT_CONTENTS
 	if(HAS_TRAIT(src, TRAIT_EMPPROOF_SELF))

code/game/data_huds.dm

@@ -56,11 +56,11 @@
 
 /datum/atom_hud/data/diagnostic/basic
 	hud_icons = list(DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD, \
-						DIAG_AIRLOCK_HUD, DIAG_LAUNCHPAD_HUD, NANITE_HUD, DIAG_NANITE_FULL_HUD)
+						DIAG_AIRLOCK_HUD, DIAG_LAUNCHPAD_HUD, NANITE_HUD, DIAG_NANITE_FULL_HUD, DIAG_OVERHEAT_HUD)
 
 /datum/atom_hud/data/diagnostic/advanced
-	hud_icons = list(DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD, 
-						DIAG_AIRLOCK_HUD, DIAG_LAUNCHPAD_HUD, DIAG_PATH_HUD, NANITE_HUD, DIAG_NANITE_FULL_HUD)
+	hud_icons = list(DIAG_HUD, DIAG_STAT_HUD, DIAG_BATT_HUD, DIAG_MECH_HUD, DIAG_BOT_HUD, DIAG_TRACK_HUD, \
+						DIAG_AIRLOCK_HUD, DIAG_LAUNCHPAD_HUD, DIAG_PATH_HUD, NANITE_HUD, DIAG_NANITE_FULL_HUD, DIAG_OVERHEAT_HUD)
 
 /datum/atom_hud/data/bot_path
 	// This hud exists so the bot can see itself, that's all
@@ -388,6 +388,13 @@ Diagnostic HUDs!
 		holder.icon_state = "hudnobatt"
 	set_hud_image_active(DIAG_BATT_HUD)
 
+/obj/mecha/proc/diag_hud_set_mechoverheat()
+	var/image/holder = hud_list[DIAG_OVERHEAT_HUD]
+	var/icon/I = icon(icon, icon_state, dir)
+	holder.pixel_y = I.Height() - world.icon_size
+	holder.icon_state = "overheat[round(10 * overheat / OVERHEAT_MAXIMUM)]"
+	set_hud_image_active(DIAG_OVERHEAT_HUD)
+
 /obj/mecha/proc/diag_hud_set_mechstat()
 	var/image/holder = hud_list[DIAG_STAT_HUD]
 	var/icon/I = icon(icon, icon_state, dir)
@@ -396,6 +403,10 @@ Diagnostic HUDs!
 		holder.icon_state = "hudwarn"
 		set_hud_image_active(DIAG_STAT_HUD)
 		return
+	else if(HAS_TRAIT(src, TRAIT_MECH_DISABLED))
+		holder.icon_state = "hudoffline"
+		set_hud_image_inactive(DIAG_STAT_HUD)
+		return
 	holder.icon_state = null
 	set_hud_image_inactive(DIAG_STAT_HUD)