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Diffstat (limited to 'Stars45/Shield.cpp')
| -rw-r--r-- | Stars45/Shield.cpp | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/Stars45/Shield.cpp b/Stars45/Shield.cpp deleted file mode 100644 index e7c8fb8..0000000 --- a/Stars45/Shield.cpp +++ /dev/null @@ -1,258 +0,0 @@ -/* Starshatter: The Open Source Project - Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors - Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors - Copyright (c) 1997-2006, Destroyer Studios LLC. - - AUTHOR: John DiCamillo - - - OVERVIEW - ======== - Weapon class -*/ - -#include "Shield.h" -#include "Shot.h" -#include "WeaponDesign.h" - -#include "Game.h" -#include "ContentBundle.h" - -// +----------------------------------------------------------------------+ - -static char* shield_name[] = { - "sys.shield.none", - "sys.shield.deflector", - "sys.shield.grav", - "sys.shield.hyper" -}; - -static int shield_value[] = { - 0, 2, 2, 3 -}; - -// +----------------------------------------------------------------------+ - -Shield::Shield(SUBTYPE shield_type) -: System(SHIELD, shield_type, "shield", shield_value[shield_type], 100, 0), -shield_cutoff(0.0f), shield_capacitor(false), shield_bubble(false), -deflection_cost(1.0f), shield_curve(0.05f) -{ - name = ContentBundle::GetInstance()->GetText(shield_name[shield_type]); - abrv = ContentBundle::GetInstance()->GetText("sys.shield.abrv"); - - power_flags = POWER_WATTS | POWER_CRITICAL; - energy = 0.0f; - power_level = 0.0f; - shield_level = 0.0f; - - switch (shield_type) { - default: - case DEFLECTOR: - capacity = sink_rate = 2.0e3f; - shield_factor = 0.05f; - break; - - case GRAV_SHIELD: - capacity = sink_rate = 7.0e3f; - shield_factor = 0.01f; - break; - - case HYPER_SHIELD: - capacity = sink_rate = 10.0e3f; - shield_factor = 0.003f; - break; - } - - emcon_power[0] = 0; - emcon_power[1] = 0; - emcon_power[2] = 100; -} - -// +----------------------------------------------------------------------+ - -Shield::Shield(const Shield& s) -: System(s), shield_factor(s.shield_factor), requested_power_level(0.0f), -shield_cutoff(s.shield_cutoff), shield_capacitor(s.shield_capacitor), -shield_bubble(s.shield_bubble), deflection_cost(s.deflection_cost), -shield_curve(s.shield_curve) -{ - power_flags = s.power_flags; - energy = 0.0f; - power_level = 0.0f; - shield_level = 0.0f; - - Mount(s); -} - -// +--------------------------------------------------------------------+ - -Shield::~Shield() -{ } - -void -Shield::SetShieldCapacitor(bool c) -{ - shield_capacitor = c; - - if (shield_capacitor) { - power_flags = POWER_CRITICAL; - shield_curve = 0.05f; - } - else { - power_flags = POWER_WATTS | POWER_CRITICAL; - shield_curve = 0.25f; - } -} - -// +--------------------------------------------------------------------+ - -void -Shield::ExecFrame(double seconds) -{ - System::ExecFrame(seconds); - - if (power_level < requested_power_level) { - power_level += (float) (seconds * 0.10); // ten seconds to charge up - - if (power_level > requested_power_level) - power_level = (float) requested_power_level; - } - else if (power_level > requested_power_level) { - power_level -= (float) (seconds * 0.20); // five seconds to power down - - if (power_level < requested_power_level) - power_level = (float) requested_power_level; - } - - if (power_level < 0.01 && !shield_capacitor) { - shield_level = 0.0f; - energy = 0.0f; - } -} - -// +----------------------------------------------------------------------+ - -void -Shield::Distribute(double delivered_energy, double seconds) -{ - System::Distribute(delivered_energy, seconds); - - if (shield_capacitor) { - if (shield_cutoff > 0 && shield_cutoff < 0.999) { - float cutoff = shield_cutoff * capacity; - - if (energy > cutoff) - shield_level = (energy-cutoff)/(capacity-cutoff); - else - shield_level = 0.0f; - } - - else { - shield_level = energy/capacity; - } - } - else { - shield_level = energy/sink_rate; - energy = 0.0f; - } - - if (shield_level < 0) - shield_level = 0; -} - -// +--------------------------------------------------------------------+ - -double -Shield::DeflectDamage(Shot* shot, double damage) -{ - double filter = 1; - double penetration = 5; - double leak = 0; - - if (shot) - penetration = shot->Design()->penetration; - - filter = 1 - shield_factor * penetration; - - if (filter < 0) - filter = 0; - - else if (filter > 1) - filter = 1; - - if (shield_capacitor) { - if (shield_cutoff > 0 && shield_level < 1e-6) { - leak = damage; - energy -= (float) (damage * deflection_cost); - } - - else { - leak = damage * (1 - pow(shield_level, shield_curve) * filter * availability); - - double deflected = damage - leak; - energy -= (float) deflected * deflection_cost; - } - - } - else { - leak = damage * (1 - pow(shield_level, shield_curve) * filter * availability); - } - - return leak; -} - -// +--------------------------------------------------------------------+ - -void -Shield::SetPowerLevel(double level) -{ - if (level > 100) - level = 100; - else if (level < 0) - level = 0; - - level /= 100; - - if (requested_power_level != level) { - // if the system is on emergency override power, - // do not let the EMCON system use this method - // to drop it back to normal power: - if (power_level > 1 && level == 1) { - requested_power_level = (float) power_level; - return; - } - - requested_power_level = (float) level; - } -} - -void -Shield::SetNetShieldLevel(int level) -{ - if (level > 100) level = 100; - else if (level < 0) level = 0; - - requested_power_level = (float) (level/100.0); - power_level = requested_power_level; -} - -void -Shield::DoEMCON(int index) -{ - int e = GetEMCONPower(index); - - if (power_level * 100 > e || emcon != index) { - if (e == 0) { - PowerOff(); - } - else if (emcon != index) { - PowerOn(); - - if (power_level * 100 > e) - SetPowerLevel(e); - } - } - - emcon = index; -} |