diff options
Diffstat (limited to 'Stars45/Power.cpp')
-rw-r--r-- | Stars45/Power.cpp | 624 |
1 files changed, 324 insertions, 300 deletions
diff --git a/Stars45/Power.cpp b/Stars45/Power.cpp index cc386bf..67e30db 100644 --- a/Stars45/Power.cpp +++ b/Stars45/Power.cpp @@ -1,300 +1,324 @@ -/* Project Starshatter 4.5
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: Stars.exe
- FILE: Power.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- Power generation and usage classes
-*/
-
-#include "MemDebug.h"
-#include "Power.h"
-#include "Ship.h"
-#include "NetUtil.h"
-
-#include "Game.h"
-
-// +----------------------------------------------------------------------+
-
-static char* source_type[] = {
- "sys.power.battery", "sys.power.auxilliary", "sys.power.fusion"
-};
-
-static int source_value[] = {
- 1, 2, 4
-};
-
-PowerSource::PowerSource(SUBTYPE s, double max_out, double f_ratio)
-: System(POWER_SOURCE, (int) s, "Power", source_value[s], 0),
-max_output((float) max_out), fuel_ratio((float) f_ratio),
-route_changed(false), requested_power_level(1.0f)
-{
- name = Game::GetText(source_type[s]);
- abrv = Game::GetText(Text(source_type[s]) + ".abrv");
-
- if (fuel_ratio < 1) {
- switch (subtype) { // enough to last for [n] hours at full power
- case BATTERY: fuel_ratio = max_output * 5 * 3600 / 100; break;
- case AUX: fuel_ratio = max_output * 50 * 3600 / 100; break;
- case FUSION: fuel_ratio = max_output * 100 * 3600 / 100; break;
- }
- }
-
- capacity = 100.0f;
-
- if (subtype != BATTERY) {
- emcon_power[0] = 10;
- emcon_power[1] = 50;
- emcon_power[2] = 100;
- }
-}
-
-PowerSource::PowerSource(const PowerSource& p)
-: System(p),
-max_output(p.max_output), fuel_ratio(p.fuel_ratio),
-route_changed(false), requested_power_level(1.0f)
-{
- Mount(p);
- SetAbbreviation(p.Abbreviation());
-}
-
-// +----------------------------------------------------------------------+
-
-void
-PowerSource::AddClient(System* client)
-{
- if (client) {
- int old_src_index = client->GetSourceIndex();
-
- client->SetSourceIndex(GetID());
- clients.append(client);
- route_changed = true;
-
- if (ship && old_src_index != GetID())
- NetUtil::SendSysStatus(ship, client);
- }
-}
-
-void
-PowerSource::RemoveClient(System* client)
-{
- if (client && clients.contains(client)) {
- client->SetSourceIndex(-1);
- clients.remove(client);
- route_changed = true;
- }
-}
-
-// +----------------------------------------------------------------------+
-
-int
-PowerSource::Charge() const
-{
- return (int) capacity;
-}
-
-void
-PowerSource::SetFuelRange(double hours)
-{
- if (hours > 0)
- fuel_ratio = (float) (max_output * hours * 3600 / 100);
-}
-
-// +----------------------------------------------------------------------+
-
-void
-PowerSource::ExecFrame(double seconds)
-{
- if (seconds < 0.001)
- seconds = 0.001;
-
- if (capacity <= 0)
- capacity = 0;
-
- System::ExecFrame(seconds);
-
- double energy_requested = 0;
- double energy_avail = 0;
- double total_distrib = 0;
-
- // fuel leak?
- if (availability < 0.4 && capacity > 0)
- capacity -= (float) (0.03 * seconds);
-
- if (IsPowerOn() && capacity > 0) {
- energy_avail = max_output * seconds * power_level * availability;
-
- if (power_level < requested_power_level) {
- power_level += (float) (seconds * 0.03); // thirty 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 * 0.10); // ten seconds to power down
-
- if (power_level < requested_power_level)
- power_level = (float) requested_power_level;
- }
- }
-
- ListIter<System> iter = clients;
- while (++iter) {
- System* sink = iter.value();
-
- if (sink->IsPowerOn()) {
- double joules = sink->GetRequest(seconds);
-
- if (joules > 0) {
- if (sink->IsPowerCritical()) {
-
- if (joules > energy_avail)
- joules = energy_avail;
-
- energy_avail -= joules;
- total_distrib += joules;
- sink->Distribute(joules, seconds);
- }
- else {
- energy_requested += joules;
- }
- }
- }
- else {
- sink->Distribute(-0.2 * sink->GetCapacity() * seconds, seconds);
- }
- }
-
- if (energy_avail > 0) {
-
- // enough to go around:
- if (energy_requested <= energy_avail) {
- iter.reset();
-
- while (++iter) {
- System* sink = iter.value();
-
- if (sink->IsPowerOn() && !sink->IsPowerCritical()) {
- double joules = sink->GetRequest(seconds);
- total_distrib += joules;
- sink->Distribute(joules, seconds);
- }
- }
- }
-
- // load balancing:
- else {
- iter.reset();
- while (++iter) {
- System* sink = iter.value();
-
- if (sink->IsPowerOn() && !sink->IsPowerCritical()) {
- double request = sink->GetRequest(seconds);
- double delivery = 0;
-
- if (request > 0)
- delivery = energy_avail * (request/energy_requested);
-
- if (delivery > 0) {
- total_distrib += delivery;
- sink->Distribute(delivery, seconds);
- }
- }
- }
- }
- }
-
- if (IsPowerOn() && capacity > 0 && !Game::Paused()) {
- // reactors always burn at least 10% of max (to maintain operating temp):
- if (subtype != BATTERY) {
- double baseline = 0.1 * max_output * seconds;
-
- if (total_distrib < baseline)
- total_distrib = baseline;
- }
-
- // expend fuel:
- if (total_distrib > 0) {
- double effective_fuel_ratio = fuel_ratio;
-
- switch (Ship::GetFlightModel()) {
- default:
- case Ship::FM_STANDARD:
- effective_fuel_ratio = 1 * fuel_ratio * (0.25 + 0.75 * availability);
- break;
-
- case Ship::FM_RELAXED:
- effective_fuel_ratio = 3 * fuel_ratio * (0.25 + 0.75 * availability);
- break;
-
- case Ship::FM_ARCADE:
- effective_fuel_ratio = 4 * fuel_ratio * (0.25 + 0.75 * availability);
- break;
- }
-
- capacity -= (float) (total_distrib / effective_fuel_ratio);
- }
- }
-
- else if (capacity <= 0) {
- capacity = 0.0f;
- PowerOff();
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-PowerSource::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 (requested_power_level > 1 && level == 1) {
- requested_power_level = 1.2f;
- }
-
- else {
- requested_power_level = (float) level;
- }
- }
-}
-
-void
-PowerSource::SetOverride(bool over)
-{
- bool changed = false;
-
- if (over && requested_power_level != 1.2f) {
- requested_power_level = 1.2f;
- changed = true;
- }
-
- else if (!over && requested_power_level > 1) {
- requested_power_level = 1.0f;
- changed = true;
- }
-
- if (changed)
- NetUtil::SendSysStatus(ship, this);
-}
-
-void
-PowerSource::DrainPower(double to_level)
-{
- if (to_level >= 0 && to_level < power_level)
- power_level = (float) to_level;
-}
+/* 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: Power.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Power generation and usage classes +*/ + +#include "MemDebug.h" +#include "Power.h" +#include "Ship.h" +#include "NetUtil.h" + +#include "Game.h" + +// +----------------------------------------------------------------------+ + +static char* source_type[] = { + "sys.power.battery", "sys.power.auxilliary", "sys.power.fusion" +}; + +static int source_value[] = { + 1, 2, 4 +}; + +PowerSource::PowerSource(SUBTYPE s, double max_out, double f_ratio) +: System(POWER_SOURCE, (int) s, "Power", source_value[s], 0), +max_output((float) max_out), fuel_ratio((float) f_ratio), +route_changed(false), requested_power_level(1.0f) +{ + name = Game::GetText(source_type[s]); + abrv = Game::GetText(Text(source_type[s]) + ".abrv"); + + if (fuel_ratio < 1) { + switch (subtype) { // enough to last for [n] hours at full power + case BATTERY: fuel_ratio = max_output * 5 * 3600 / 100; break; + case AUX: fuel_ratio = max_output * 50 * 3600 / 100; break; + case FUSION: fuel_ratio = max_output * 100 * 3600 / 100; break; + } + } + + capacity = 100.0f; + + if (subtype != BATTERY) { + emcon_power[0] = 10; + emcon_power[1] = 50; + emcon_power[2] = 100; + } +} + +PowerSource::PowerSource(const PowerSource& p) +: System(p), +max_output(p.max_output), fuel_ratio(p.fuel_ratio), +route_changed(false), requested_power_level(1.0f) +{ + Mount(p); + SetAbbreviation(p.Abbreviation()); +} + +// +----------------------------------------------------------------------+ + +void +PowerSource::AddClient(System* client) +{ + if (client) { + int old_src_index = client->GetSourceIndex(); + + client->SetSourceIndex(GetID()); + clients.append(client); + route_changed = true; + + if (ship && old_src_index != GetID()) + NetUtil::SendSysStatus(ship, client); + } +} + +void +PowerSource::RemoveClient(System* client) +{ + if (client && clients.contains(client)) { + client->SetSourceIndex(-1); + clients.remove(client); + route_changed = true; + } +} + +// +----------------------------------------------------------------------+ + +int +PowerSource::Charge() const +{ + return (int) capacity; +} + +void +PowerSource::SetFuelRange(double hours) +{ + if (hours > 0) + fuel_ratio = (float) (max_output * hours * 3600 / 100); +} + +// +----------------------------------------------------------------------+ + +void +PowerSource::ExecFrame(double seconds) +{ + if (seconds < 0.001) + seconds = 0.001; + + if (capacity <= 0) + capacity = 0; + + System::ExecFrame(seconds); + + double energy_requested = 0; + double energy_avail = 0; + double total_distrib = 0; + + // fuel leak? + if (availability < 0.4 && capacity > 0) + capacity -= (float) (0.03 * seconds); + + if (IsPowerOn() && capacity > 0) { + energy_avail = max_output * seconds * power_level * availability; + + if (power_level < requested_power_level) { + power_level += (float) (seconds * 0.03); // thirty 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 * 0.10); // ten seconds to power down + + if (power_level < requested_power_level) + power_level = (float) requested_power_level; + } + } + + ListIter<System> iter = clients; + while (++iter) { + System* sink = iter.value(); + + if (sink->IsPowerOn()) { + double joules = sink->GetRequest(seconds); + + if (joules > 0) { + if (sink->IsPowerCritical()) { + + if (joules > energy_avail) + joules = energy_avail; + + energy_avail -= joules; + total_distrib += joules; + sink->Distribute(joules, seconds); + } + else { + energy_requested += joules; + } + } + } + else { + sink->Distribute(-0.2 * sink->GetCapacity() * seconds, seconds); + } + } + + if (energy_avail > 0) { + + // enough to go around: + if (energy_requested <= energy_avail) { + iter.reset(); + + while (++iter) { + System* sink = iter.value(); + + if (sink->IsPowerOn() && !sink->IsPowerCritical()) { + double joules = sink->GetRequest(seconds); + total_distrib += joules; + sink->Distribute(joules, seconds); + } + } + } + + // load balancing: + else { + iter.reset(); + while (++iter) { + System* sink = iter.value(); + + if (sink->IsPowerOn() && !sink->IsPowerCritical()) { + double request = sink->GetRequest(seconds); + double delivery = 0; + + if (request > 0) + delivery = energy_avail * (request/energy_requested); + + if (delivery > 0) { + total_distrib += delivery; + sink->Distribute(delivery, seconds); + } + } + } + } + } + + if (IsPowerOn() && capacity > 0 && !Game::Paused()) { + // reactors always burn at least 10% of max (to maintain operating temp): + if (subtype != BATTERY) { + double baseline = 0.1 * max_output * seconds; + + if (total_distrib < baseline) + total_distrib = baseline; + } + + // expend fuel: + if (total_distrib > 0) { + double effective_fuel_ratio = fuel_ratio; + + switch (Ship::GetFlightModel()) { + default: + case Ship::FM_STANDARD: + effective_fuel_ratio = 1 * fuel_ratio * (0.25 + 0.75 * availability); + break; + + case Ship::FM_RELAXED: + effective_fuel_ratio = 3 * fuel_ratio * (0.25 + 0.75 * availability); + break; + + case Ship::FM_ARCADE: + effective_fuel_ratio = 4 * fuel_ratio * (0.25 + 0.75 * availability); + break; + } + + capacity -= (float) (total_distrib / effective_fuel_ratio); + } + } + + else if (capacity <= 0) { + capacity = 0.0f; + PowerOff(); + } +} + +// +--------------------------------------------------------------------+ + +void +PowerSource::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 (requested_power_level > 1 && level == 1) { + requested_power_level = 1.2f; + } + + else { + requested_power_level = (float) level; + } + } +} + +void +PowerSource::SetOverride(bool over) +{ + bool changed = false; + + if (over && requested_power_level != 1.2f) { + requested_power_level = 1.2f; + changed = true; + } + + else if (!over && requested_power_level > 1) { + requested_power_level = 1.0f; + changed = true; + } + + if (changed) + NetUtil::SendSysStatus(ship, this); +} + +void +PowerSource::DrainPower(double to_level) +{ + if (to_level >= 0 && to_level < power_level) + power_level = (float) to_level; +} |