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Diffstat (limited to 'Stars45/CampaignPlanMission.cpp')
-rw-r--r-- | Stars45/CampaignPlanMission.cpp | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/Stars45/CampaignPlanMission.cpp b/Stars45/CampaignPlanMission.cpp new file mode 100644 index 0000000..2db5ede --- /dev/null +++ b/Stars45/CampaignPlanMission.cpp @@ -0,0 +1,398 @@ +/* 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: CampaignPlanMission.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + CampaignPlanMission generates missions and mission + info for the player's combat group as part of a + dynamic campaign. +*/ + +#include "MemDebug.h" +#include "CampaignPlanMission.h" +#include "CampaignMissionRequest.h" +#include "CampaignMissionFighter.h" +#include "CampaignMissionStarship.h" +#include "Campaign.h" +#include "Combatant.h" +#include "CombatAction.h" +#include "CombatAssignment.h" +#include "CombatGroup.h" +#include "CombatUnit.h" +#include "CombatZone.h" +#include "Mission.h" +#include "StarSystem.h" +#include "Random.h" + + +// +--------------------------------------------------------------------+ + +void +CampaignPlanMission::ExecFrame() +{ + if (campaign && campaign->IsActive()) { + player_group = campaign->GetPlayerGroup(); + if (!player_group) return; + + int missionCount = campaign->GetMissionList().size(); + + if (missionCount > 0) { + // starships only get one mission to pick from: + if (player_group->IsStarshipGroup()) + return; + + // fighters get a maximum of five missions: + if (missionCount >= 5) + return; + + // otherwise, once every few seconds is plenty: + if (Campaign::Stardate() - exec_time < 1) + return; + } + + SelectStartTime(); + + if (player_group->IsFighterGroup()) { + slot++; + if (slot > 2) slot = 0; + + CampaignMissionRequest* request = PlanFighterMission(); + CampaignMissionFighter generator(campaign); + generator.CreateMission(request); + delete request; + } + + else if (player_group->IsStarshipGroup()) { + // starships should always check for campaign and strategic missions + slot = 0; + + CampaignMissionRequest* request = PlanStarshipMission(); + CampaignMissionStarship generator(campaign); + generator.CreateMission(request); + delete request; + } + + exec_time = Campaign::Stardate(); + } +} + +// +--------------------------------------------------------------------+ + +void +CampaignPlanMission::SelectStartTime() +{ + const int HOUR = 3600; // 60 minutes + const int MISSION_DELAY = 1800; // 30 minutes + double base_time = 0; + + List<MissionInfo>& info_list = campaign->GetMissionList(); + + if (info_list.size() > 0) { + MissionInfo* info = info_list[info_list.size()-1]; + base_time = info->start; + } + + if (base_time == 0) + base_time = campaign->GetTime() + MISSION_DELAY; + + start = (int) base_time + MISSION_DELAY; + start -= start % MISSION_DELAY; +} + +// +--------------------------------------------------------------------+ + +CampaignMissionRequest* +CampaignPlanMission::PlanStarshipMission() +{ + CampaignMissionRequest* request = 0; + + if (!request) request = PlanCampaignMission(); + if (!request) request = PlanStrategicMission(); + if (!request) request = PlanRandomStarshipMission(); + + return request; +} + +// +--------------------------------------------------------------------+ + +CampaignMissionRequest* +CampaignPlanMission::PlanFighterMission() +{ + CampaignMissionRequest* request = 0; + + if (!request) request = PlanCampaignMission(); + if (!request) request = PlanStrategicMission(); + if (!request) request = PlanRandomFighterMission(); + + return request; +} + +// +--------------------------------------------------------------------+ + +CampaignMissionRequest* +CampaignPlanMission::PlanCampaignMission() +{ + CampaignMissionRequest* request = 0; + + ListIter<CombatAction> iter = campaign->GetActions(); + while (++iter && !request) { + CombatAction* action = iter.value(); + + if (action->Type() != CombatAction::MISSION_TEMPLATE) + continue; + + if (action->IsAvailable()) { + + // only fire each action once every two hours: + if (action->ExecTime() > 0 && campaign->GetTime() - action->ExecTime() < 7200) + continue; + + CombatGroup* g = campaign->FindGroup(action->GetIFF(), + action->AssetType(), + action->AssetId()); + + if (g && (g == player_group || + (player_group->Type() == CombatGroup::WING && + player_group->FindGroup(g->Type(), g->GetID())))) { + + request = new(__FILE__,__LINE__) + CampaignMissionRequest(campaign, + action->Subtype(), + start, + g); + + if (request) { + request->SetOpposingType(action->OpposingType()); + request->SetScript(action->GetText()); + } + + action->FireAction(); + } + } + } + + return request; +} + +// +--------------------------------------------------------------------+ + +CampaignMissionRequest* +CampaignPlanMission::PlanStrategicMission() +{ + CampaignMissionRequest* request = 0; + + if (slot > 1) + return request; + + // build list of assignments: + List<CombatAssignment> assignments; + assignments.append(player_group->GetAssignments()); + + if (player_group->Type() == CombatGroup::WING) { + ListIter<CombatGroup> iter = player_group->GetComponents(); + while (++iter) { + CombatGroup* g = iter.value(); + assignments.append(g->GetAssignments()); + } + } + + // pick next assignment as basis for mission: + static int assignment_index = 0; + + if (assignments.size()) { + if (assignment_index >= assignments.size()) + assignment_index = 0; + + CombatAssignment* a = assignments[assignment_index++]; + + request = new(__FILE__,__LINE__) + CampaignMissionRequest(campaign, + a->Type(), + start, + a->GetResource()); + + if (request) + request->SetObjective(a->GetObjective()); + } + + return request; +} + +// +--------------------------------------------------------------------+ + +static int mission_type_index = -1; +static int mission_types[16] = { + Mission::PATROL, + Mission::PATROL, + Mission::ESCORT_FREIGHT, + Mission::PATROL, + Mission::ESCORT_FREIGHT, + Mission::PATROL, + Mission::ESCORT_FREIGHT, + Mission::ESCORT_FREIGHT, + Mission::PATROL, + Mission::ESCORT_FREIGHT, + Mission::PATROL, + Mission::ESCORT_FREIGHT, + Mission::PATROL, + Mission::PATROL, + Mission::ESCORT_FREIGHT, + Mission::PATROL +}; + +// +--------------------------------------------------------------------+ + +CampaignMissionRequest* +CampaignPlanMission::PlanRandomStarshipMission() +{ + int type = Mission::PATROL; + int r = RandomIndex(); + int ownside = player_group->GetIFF(); + + if (mission_type_index < 0) + mission_type_index = r; + + else if (mission_type_index >= 16) + mission_type_index = 0; + + type = mission_types[mission_type_index++]; + + if (type == Mission::ESCORT_FREIGHT) { + CombatGroup* freight = campaign->FindGroup(ownside, CombatGroup::FREIGHT); + if (!freight || freight->CountUnits() < 1) + type = Mission::PATROL; + } + + CampaignMissionRequest* request = 0; + request = new(__FILE__,__LINE__) + CampaignMissionRequest(campaign, type, start, player_group); + + return request; +} + +// +--------------------------------------------------------------------+ + +static int fighter_mission_index = 0; +static int fighter_mission_types[16] = { + Mission::PATROL, + Mission::SWEEP, + Mission::ESCORT_SHUTTLE, + Mission::AIR_PATROL, + Mission::SWEEP, + Mission::ESCORT_SHUTTLE, + Mission::PATROL, + Mission::PATROL, + Mission::AIR_SWEEP, + Mission::PATROL, + Mission::AIR_PATROL, + Mission::ESCORT_SHUTTLE, + Mission::PATROL, + Mission::SWEEP, + Mission::PATROL, + Mission::AIR_SWEEP +}; + +CampaignMissionRequest* +CampaignPlanMission::PlanRandomFighterMission() +{ + CampaignMissionRequest* request = 0; + int type = fighter_mission_types[fighter_mission_index++]; + int ownside = player_group->GetIFF(); + CombatGroup* primary = player_group; + CombatGroup* obj = 0; + + if (fighter_mission_index > 15) + fighter_mission_index = 0; + + if (type == Mission::ESCORT_FREIGHT) { + CombatGroup* freight = campaign->FindGroup(ownside, CombatGroup::FREIGHT); + if (!freight || freight->CalcValue() < 1) + type = Mission::PATROL; + else + obj = freight; + } + + else if (type == Mission::ESCORT_SHUTTLE) { + CombatGroup* shuttle = campaign->FindGroup(ownside, CombatGroup::LCA_SQUADRON); + if (!shuttle || shuttle->CalcValue() < 1) + type = Mission::PATROL; + else + obj = shuttle; + } + + else if (primary->Type() == CombatGroup::WING) { + if (RandomChance()) + primary = primary->FindGroup(CombatGroup::INTERCEPT_SQUADRON); + else + primary = primary->FindGroup(CombatGroup::FIGHTER_SQUADRON); + } + + if (type >= Mission::AIR_PATROL && type <= Mission::AIR_INTERCEPT) { + CombatZone* zone = 0; + bool airborne = false; + + if (primary) + zone = primary->GetAssignedZone(); + + if (zone && zone->GetRegions().size() > 1) { + Text air_region = *zone->GetRegions().at(1); + StarSystem* system = campaign->GetSystem(zone->System()); + + if (system) { + OrbitalRegion* rgn = system->FindRegion(air_region); + + if (rgn && rgn->Type() == Orbital::TERRAIN) + airborne = true; + } + } + + if (!airborne) { + if (type == Mission::AIR_INTERCEPT) + type = Mission::INTERCEPT; + + else if (type == Mission::AIR_SWEEP) + type = Mission::SWEEP; + + else + type = Mission::PATROL; + } + } + + request = new(__FILE__,__LINE__) + CampaignMissionRequest(campaign, type, start, primary); + + if (request) + request->SetObjective(obj); + + return request; +} |