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Diffstat (limited to 'Stars45/NavSystem.cpp')
-rw-r--r-- | Stars45/NavSystem.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/Stars45/NavSystem.cpp b/Stars45/NavSystem.cpp new file mode 100644 index 0000000..7f0c635 --- /dev/null +++ b/Stars45/NavSystem.cpp @@ -0,0 +1,137 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: Stars.exe + FILE: NavSystem.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Navigation System class implementation +*/ + +#include "MemDebug.h" +#include "NavSystem.h" +#include "Ship.h" +#include "Sim.h" +#include "HUDSounds.h" +#include "Button.h" +#include "Game.h" + +// +----------------------------------------------------------------------+ + +NavSystem::NavSystem() +: System(COMPUTER, 2, "Auto Nav System", 1, 1,1,1), +autonav(0) +{ + name = Game::GetText("sys.nav-system"); + abrv = Game::GetText("sys.nav-system.abrv"); + + power_flags = POWER_WATTS | POWER_CRITICAL; +} + +// +----------------------------------------------------------------------+ + +NavSystem::NavSystem(const NavSystem& s) +: System(s), autonav(0) +{ + Mount(s); + + power_flags = POWER_WATTS | POWER_CRITICAL; +} + +// +--------------------------------------------------------------------+ + +NavSystem::~NavSystem() +{ } + +// +--------------------------------------------------------------------+ + +void +NavSystem::ExecFrame(double seconds) +{ + if (autonav && ship && !ship->GetNextNavPoint()) + autonav = false; + + energy = 0.0f; + System::ExecFrame(seconds); +} + +// +----------------------------------------------------------------------+ + +bool +NavSystem::AutoNavEngaged() +{ + return ship && autonav && IsPowerOn(); +} + +void +NavSystem::EngageAutoNav() +{ + if (IsPowerOn() && !autonav) { + if (!ship->GetNextNavPoint()) { + Button::PlaySound(Button::SND_REJECT); + } + else { + HUDSounds::PlaySound(HUDSounds::SND_NAV_MODE); + autonav = true; + } + } +} + +void +NavSystem::DisengageAutoNav() +{ + if (autonav) + HUDSounds::PlaySound(HUDSounds::SND_NAV_MODE); + + autonav = false; +} + +// +--------------------------------------------------------------------+ + +void +NavSystem::Distribute(double delivered_energy, double seconds) +{ + if (IsPowerOn()) { + // convert Joules to Watts: + energy = (float) (delivered_energy/seconds); + + // brown out: + if (energy < capacity*0.75f) + power_on = false; + + // spike: + else if (energy > capacity*1.5f) { + power_on = false; + ApplyDamage(50); + } + } +} + |