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CommandAI.cpp
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CommandAI.cpp
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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "CommandAI.h"
#include "BuilderCAI.h"
#include "FactoryCAI.h"
#include "ExternalAI/EngineOutHandler.h"
#include "ExternalAI/SkirmishAIHandler.h"
#include "Game/GlobalUnsynced.h"
#include "Game/SelectedUnitsHandler.h"
#include "Game/WaitCommandsAI.h"
#include "Map/Ground.h"
#include "Map/MapDamage.h"
#include "Sim/Features/Feature.h"
#include "Sim/Features/FeatureDef.h"
#include "Sim/Features/FeatureHandler.h"
#include "Sim/Misc/GlobalSynced.h"
#include "Sim/Misc/ModInfo.h"
#include "Sim/Misc/TeamHandler.h"
#include "Sim/MoveTypes/MoveType.h"
#include "Sim/Units/BuildInfo.h"
#include "Sim/Units/UnitDef.h"
#include "Sim/Units/Unit.h"
#include "Sim/Units/UnitHandler.h"
#include "Sim/Weapons/Weapon.h"
#include "Sim/Weapons/WeaponDef.h"
#include "System/EventHandler.h"
#include "System/myMath.h"
#include "System/Log/ILog.h"
#include "System/SafeUtil.h"
#include "System/StringUtil.h"
#include "System/creg/STL_Set.h"
#include "System/creg/STL_Deque.h"
#include <assert.h>
// number of SlowUpdate calls that a target (unit) must
// be out of radar (and hence LOS) contact before it is
// considered 'lost' and invalid (for attack orders etc)
//
// historically this value was 120, which meant that it
// took (120 * UNIT_SLOWUPDATE_RATE) / GAME_SPEED == 64
// seconds (!) before eg. aircraft would stop tracking a
// target that cloaked after flying over it --> obviously
// unreasonable
static const int TARGET_LOST_TIMER = 4;
static const float COMMAND_CANCEL_DIST = 17.0f;
void CCommandAI::InitCommandDescriptionCache() { commandDescriptionCache.Init(); }
void CCommandAI::KillCommandDescriptionCache() { commandDescriptionCache.Kill(); }
CR_BIND(CCommandQueue, )
CR_REG_METADATA(CCommandQueue, (
CR_MEMBER(queue),
CR_MEMBER(queueType),
CR_MEMBER(tagCounter)
))
CR_BIND_DERIVED(CCommandAI, CObject, )
CR_REG_METADATA(CCommandAI, (
CR_MEMBER(stockpileWeapon),
CR_MEMBER(possibleCommands),
CR_MEMBER(nonQueingCommands),
CR_MEMBER(commandQue),
CR_MEMBER(lastUserCommand),
CR_MEMBER(selfDCountdown),
CR_MEMBER(lastFinishCommand),
CR_MEMBER(owner),
CR_MEMBER(orderTarget),
CR_MEMBER(targetDied),
CR_MEMBER(inCommand),
CR_MEMBER(repeatOrders),
CR_MEMBER(lastSelectedCommandPage),
CR_MEMBER(commandDeathDependences),
CR_MEMBER(targetLostTimer)
))
CCommandAI::CCommandAI():
stockpileWeapon(0),
lastUserCommand(-1000),
selfDCountdown(0),
lastFinishCommand(0),
owner(NULL),
orderTarget(0),
targetDied(false),
inCommand(false),
repeatOrders(false),
lastSelectedCommandPage(0),
targetLostTimer(TARGET_LOST_TIMER)
{}
CCommandAI::CCommandAI(CUnit* owner):
stockpileWeapon(0),
lastUserCommand(-1000),
selfDCountdown(0),
lastFinishCommand(0),
owner(owner),
orderTarget(0),
targetDied(false),
inCommand(false),
repeatOrders(false),
lastSelectedCommandPage(0),
targetLostTimer(TARGET_LOST_TIMER)
{
{
SCommandDescription c;
c.id = CMD_STOP;
c.type = CMDTYPE_ICON;
c.action = "stop";
c.name = "Stop";
c.tooltip = c.name + ": Cancel the units current actions";
c.mouseicon = c.name;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (IsAttackCapable()) {
SCommandDescription c;
c.id = CMD_ATTACK;
c.type = CMDTYPE_ICON_UNIT_OR_MAP;
c.action = "attack";
c.name = "Attack";
c.tooltip = c.name + ": Attacks a unit or a position on the ground";
c.mouseicon = c.name;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (owner->unitDef->canManualFire) {
SCommandDescription c;
c.id = CMD_MANUALFIRE;
c.type = CMDTYPE_ICON_MAP;
c.action = "manualfire";
c.name = "ManualFire";
c.tooltip = c.name + ": Attacks with manually-fired weapon";
c.mouseicon = c.name;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
{
SCommandDescription c;
c.id = CMD_WAIT;
c.type = CMDTYPE_ICON;
c.action = "wait";
c.name = "Wait";
c.tooltip = c.name + ": Tells the unit to wait processing its command-queue";
c.mouseicon = c.name;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
{
SCommandDescription c;
c.id = CMD_TIMEWAIT;
c.type = CMDTYPE_NUMBER;
c.action = "timewait";
c.name = "TimeWait";
c.tooltip = c.name + ": Wait for a period of time before continuing";
c.mouseicon = c.name;
c.params.push_back("1"); // min
c.params.push_back("60"); // max
c.hidden = true;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
{
SCommandDescription c;
// only for games with 2 ally teams -- checked later
c.id = CMD_DEATHWAIT;
c.type = CMDTYPE_ICON_UNIT_OR_RECTANGLE;
c.action = "deathwait";
c.name = "DeathWait";
c.tooltip = c.name + ": Wait until units die before continuing";
c.mouseicon = c.name;
c.hidden = true;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
{
SCommandDescription c;
c.id = CMD_SQUADWAIT;
c.type = CMDTYPE_NUMBER;
c.action = "squadwait";
c.name = "SquadWait";
c.tooltip = c.name + ": Wait for a number of units to arrive before continuing";
c.mouseicon = c.name;
c.params.push_back("2"); // min
c.params.push_back("100"); // max
c.hidden = true;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
{
SCommandDescription c;
c.id = CMD_GATHERWAIT;
c.type = CMDTYPE_ICON;
c.action = "gatherwait";
c.name = "GatherWait";
c.tooltip = c.name + ": Wait until all units arrive before continuing";
c.mouseicon = c.name;
c.hidden = true;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (owner->unitDef->canSelfD) {
SCommandDescription c;
c.id = CMD_SELFD;
c.type = CMDTYPE_ICON;
c.action = "selfd";
c.name = "SelfD";
c.tooltip = c.name + ": Tells the unit to self destruct";
c.mouseicon = c.name;
c.hidden = true;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (CanChangeFireState()) {
SCommandDescription c;
c.id = CMD_FIRE_STATE;
c.type = CMDTYPE_ICON_MODE;
c.action = "firestate";
c.name = "Fire state";
c.tooltip = c.name + ": Sets under what conditions an\nunit will start to fire at enemy units\nwithout an explicit attack order";
c.mouseicon = c.name;
c.params.push_back(IntToString(FIRESTATE_FIREATWILL));
c.params.push_back("Hold fire");
c.params.push_back("Return fire");
c.params.push_back("Fire at will");
c.hidden = false;
c.queueing = false;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (owner->unitDef->canmove || owner->unitDef->builder) {
SCommandDescription c;
c.id = CMD_MOVE_STATE;
c.type = CMDTYPE_ICON_MODE;
c.action = "movestate";
c.name = "Move state";
c.tooltip = c.name + ": Sets how far out of its way\nan unit will move to attack enemies";
c.mouseicon = c.name;
c.params.push_back(IntToString(MOVESTATE_MANEUVER));
c.params.push_back("Hold pos");
c.params.push_back("Maneuver");
c.params.push_back("Roam");
c.hidden = false;
c.queueing = false;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
} else {
owner->moveState = MOVESTATE_HOLDPOS;
}
if (owner->unitDef->canRepeat) {
SCommandDescription c;
c.id = CMD_REPEAT;
c.type = CMDTYPE_ICON_MODE;
c.action = "repeat";
c.name = "Repeat";
c.tooltip = c.name + ": If on, the unit will continuously\npush finished orders to the end of its\norder queue";
c.mouseicon = c.name;
c.params.push_back("0");
c.params.push_back("Repeat off");
c.params.push_back("Repeat on");
c.hidden = false;
c.queueing = false;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (owner->unitDef->highTrajectoryType > 1) {
SCommandDescription c;
c.id = CMD_TRAJECTORY;
c.type = CMDTYPE_ICON_MODE;
c.action = "trajectory";
c.name = "Trajectory";
c.tooltip = c.name + ": If set to high, weapons that\nsupport it will try to fire in a higher\ntrajectory than usual (experimental)";
c.mouseicon = c.name;
c.params.push_back("0");
c.params.push_back("Low traj");
c.params.push_back("High traj");
c.hidden = false;
c.queueing = false;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (owner->unitDef->onoffable) {
SCommandDescription c;
c.id = CMD_ONOFF;
c.type = CMDTYPE_ICON_MODE;
c.action = "onoff";
c.name = "Active state";
c.tooltip = c.name + ": Sets the active state of the unit to on or off";
c.mouseicon = c.name;
c.params.push_back(IntToString(owner->unitDef->activateWhenBuilt, "%d"));
c.params.push_back(" Off ");
c.params.push_back(" On ");
c.hidden = false;
c.queueing = false;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
if (owner->unitDef->canCloak) {
SCommandDescription c;
c.id = CMD_CLOAK;
c.type = CMDTYPE_ICON_MODE;
c.action = "cloak";
c.name = "Cloak state";
c.tooltip = c.name + ": Sets whether the unit is cloaked or not";
c.mouseicon = c.name;
c.params.push_back(IntToString(owner->unitDef->startCloaked, "%d"));
c.params.push_back("UnCloaked");
c.params.push_back("Cloaked");
c.hidden = false;
c.queueing = false;
possibleCommands.push_back(commandDescriptionCache.GetPtr(std::move(c)));
}
UpdateNonQueueingCommands();
}
CCommandAI::~CCommandAI()
{
SetOrderTarget(nullptr);
ClearCommandDependencies();
commandDescriptionCache.DecRef(possibleCommands);
}
void CCommandAI::UpdateCommandDescription(unsigned int cmdDescIdx, const Command& cmd) {
SCommandDescription cd = *possibleCommands[cmdDescIdx];
cd.params[0] = IntToString(int(cmd.GetParam(0)), "%d");
commandDescriptionCache.DecRef(*possibleCommands[cmdDescIdx]);
possibleCommands[cmdDescIdx] = commandDescriptionCache.GetPtr(std::move(cd));
}
void CCommandAI::UpdateCommandDescription(unsigned int cmdDescIdx, SCommandDescription&& modCmdDesc) {
const SCommandDescription* curCmdDesc = possibleCommands[cmdDescIdx];
// modCmdDesc should be a modified copy of curCmdDesc
assert(&modCmdDesc != curCmdDesc);
// erase in case we do not want it to be non-queueing anymore
if (!curCmdDesc->queueing)
nonQueingCommands.erase(curCmdDesc->id);
// re-insert otherwise (possibly with a different cmdID!)
if (!modCmdDesc.queueing)
nonQueingCommands.insert(modCmdDesc.id);
commandDescriptionCache.DecRef(*curCmdDesc);
// update
possibleCommands[cmdDescIdx] = commandDescriptionCache.GetPtr(std::move(modCmdDesc));
selectedUnitsHandler.PossibleCommandChange(owner);
}
void CCommandAI::InsertCommandDescription(unsigned int cmdDescIdx, SCommandDescription&& cmdDesc)
{
const SCommandDescription* cmdDescPtr = commandDescriptionCache.GetPtr(std::move(cmdDesc));
if (cmdDescIdx >= possibleCommands.size()) {
possibleCommands.push_back(cmdDescPtr);
} else {
// preserve order
possibleCommands.insert(possibleCommands.begin() + cmdDescIdx, cmdDescPtr);
}
// NB: cmdDesc is moved into cache, but id remains valid
if (!cmdDesc.queueing)
nonQueingCommands.insert(cmdDesc.id);
selectedUnitsHandler.PossibleCommandChange(owner);
}
bool CCommandAI::RemoveCommandDescription(unsigned int cmdDescIdx)
{
if (cmdDescIdx >= possibleCommands.size())
return false;
if (!possibleCommands[cmdDescIdx]->queueing)
nonQueingCommands.erase(possibleCommands[cmdDescIdx]->id);
commandDescriptionCache.DecRef(*possibleCommands[cmdDescIdx]);
// preserve order
possibleCommands.erase(possibleCommands.begin() + cmdDescIdx);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
void CCommandAI::UpdateNonQueueingCommands()
{
nonQueingCommands.clear();
for (const SCommandDescription* cmdDesc: possibleCommands) {
if (!cmdDesc->queueing) {
nonQueingCommands.insert(cmdDesc->id);
}
}
}
void CCommandAI::ClearCommandDependencies() {
while (!commandDeathDependences.empty()) {
DeleteDeathDependence(*commandDeathDependences.begin(), DEPENDENCE_COMMANDQUE);
}
}
void CCommandAI::AddCommandDependency(const Command& c) {
int cpos;
if (!c.IsObjectCommand(cpos))
return;
const int refId = c.GetParam(cpos);
CObject* ref = (refId < unitHandler.MaxUnits()) ?
static_cast<CObject*>(unitHandler.GetUnit(refId)) :
static_cast<CObject*>(featureHandler.GetFeature(refId - unitHandler.MaxUnits()));
if (ref == nullptr)
return;
AddDeathDependence(ref, DEPENDENCE_COMMANDQUE);
}
bool CCommandAI::IsAttackCapable() const
{
return (owner->unitDef->CanAttack());
}
static inline const CUnit* GetCommandUnit(const Command& c, int idx) {
if (idx >= c.GetNumParams())
return nullptr;
if (c.IsAreaCommand())
return nullptr;
return (unitHandler.GetUnit(c.GetParam(idx)));
}
static inline bool IsCommandInMap(const Command& c)
{
if (c.GetNumParams() < 3)
return true;
float3 pos;
// TODO: other commands for which pos is not stored in params[0..2]?
switch (c.GetID()) {
case CMD_CAPTURE: { pos = c.GetPos(1 * (c.GetNumParams() == 5)); } break;
case CMD_RECLAIM: { pos = c.GetPos(1 * (c.GetNumParams() == 5)); } break;
case CMD_REPAIR : { pos = c.GetPos(1 * (c.GetNumParams() == 5)); } break;
default : { pos = c.GetPos(0 ); } break;
}
if (pos.IsInBounds())
return true;
LOG_L(L_DEBUG, "[%s] dropped command %d (x:%f y:%f z:%f)", __func__, c.GetID(), pos.x, pos.y, pos.z);
return false;
}
static inline bool AdjustGroundAttackCommand(const Command& c, bool fromSynced, bool aiOrder)
{
if (c.GetNumParams() < 3)
return false;
if (aiOrder)
return false;
const float3 cPos = c.GetPos(0);
#if 0
// check if attack-ground is really attack-ground
//
// NOTE:
// problematic if command contains value from UHM
// but is evaluated in synced context against SHM
// after roundtrip (when UHM and SHM differ a lot)
//
// instead just clamp the elevation, which creates
// fewer issues overall (eg. artillery force-firing
// at positions outside LOS where UHM and SHM do not
// match will not be broken)
//
if (math::fabs(cPos.y - gHeight) > SQUARE_SIZE) {
return false;
}
#else
// FIXME: is fromSynced really sync-safe???
// NOTE:
// uses gHeight = min(cPos.y, GetHeightAboveWater) instead
// of gHeight = GetHeightReal because GuiTraceRay can stop
// at water surface, so the attack-position would be moved
// UNDERWATER and cause ground-attack orders to fail (this
// SHOULD no longer happen, Weapon::AdjustTargetPosToWater
// always forcibly adjusts positions to respect waterWeapon
// now)
//
Command& cc = const_cast<Command&>(c);
cc.SetParam(1, std::min(cPos.y, CGround::GetHeightAboveWater(cPos.x, cPos.z, true || fromSynced)));
// cc.SetParam(1, CGround::GetHeightReal(cPos.x, cPos.z, true || fromSynced));
return true;
#endif
}
bool CCommandAI::AllowedCommand(const Command& c, bool fromSynced)
{
const int cmdID = c.GetID();
// TODO check if the command is in the map first, for more commands
switch (cmdID) {
case CMD_MOVE:
case CMD_ATTACK:
case CMD_AREA_ATTACK:
case CMD_RECLAIM:
case CMD_REPAIR:
case CMD_RESURRECT:
case CMD_PATROL:
case CMD_RESTORE:
case CMD_FIGHT:
case CMD_MANUALFIRE:
case CMD_UNLOAD_UNIT:
case CMD_UNLOAD_UNITS: {
if (!IsCommandInMap(c))
return false;
} break;
default: {
// build commands
if (cmdID < 0) {
if (!IsCommandInMap(c))
return false;
const CBuilderCAI* bcai = dynamic_cast<const CBuilderCAI*>(this);
const CFactoryCAI* fcai = dynamic_cast<const CFactoryCAI*>(this);
// non-builders cannot ever execute these
// we can get here if a factory is selected along with the
// unit it is currently building and a build-order is given
// to the former
if (fcai == nullptr && bcai == nullptr)
return false;
// {Builder,Factory}CAI::GiveCommandReal (should) handle the
// case where buildOptions.find(cmdID) == buildOptions.end()
}
} break;
}
const UnitDef* ud = owner->unitDef;
// AI's may issue attack-ground orders that are not on the ground
const std::vector<uint8_t>& teamAIs = skirmishAIHandler.GetSkirmishAIsInTeam(owner->team);
const bool npOrder = (c.GetNumParams() == 0); // no-param
const bool aiOrder = !teamAIs.empty(); // assume no sharing with AI
switch (cmdID) {
case CMD_MANUALFIRE: {
if (!ud->canManualFire)
return false;
} // fall through
case CMD_ATTACK: {
if (!IsAttackCapable())
return false;
if (c.GetNumParams() == 1) {
const CUnit* attackee = GetCommandUnit(c, 0);
if (attackee == nullptr)
return false;
if (!attackee->pos.IsInBounds())
return false;
} else {
AdjustGroundAttackCommand(c, fromSynced, aiOrder);
}
} break;
case CMD_MOVE: {
if (!ud->canmove)
return false;
} break;
case CMD_FIGHT: {
if (!ud->canFight)
return false;
} break;
case CMD_GUARD: {
const CUnit* guardee = GetCommandUnit(c, 0);
if (!ud->canGuard)
return false;
if (owner && !owner->pos.IsInBounds())
return false;
if (guardee && !guardee->pos.IsInBounds())
return false;
} break;
case CMD_PATROL: {
if (!ud->canPatrol)
return false;
} break;
case CMD_CAPTURE: {
const CUnit* capturee = GetCommandUnit(c, 0);
if (!ud->canCapture)
return false;
if (capturee != nullptr && !capturee->pos.IsInBounds())
return false;
} break;
case CMD_RECLAIM: {
const CUnit* reclaimeeUnit = GetCommandUnit(c, 0);
const CFeature* reclaimeeFeature = nullptr;
if (c.IsAreaCommand())
return true;
if (!ud->canReclaim)
return false;
if (reclaimeeUnit != nullptr) {
if (!reclaimeeUnit->unitDef->reclaimable)
return false;
if (!reclaimeeUnit->AllowedReclaim(owner))
return false;
if (!reclaimeeUnit->pos.IsInBounds())
return false;
} else {
const unsigned int reclaimeeFeatureID = (!npOrder)? c.GetParam(0): 0;
if (reclaimeeFeatureID >= unitHandler.MaxUnits()) {
reclaimeeFeature = featureHandler.GetFeature(reclaimeeFeatureID - unitHandler.MaxUnits());
if (reclaimeeFeature != nullptr && !reclaimeeFeature->def->reclaimable)
return false;
}
}
} break;
case CMD_RESTORE: {
if (!ud->canRestore || mapDamage->Disabled())
return false;
} break;
case CMD_RESURRECT: {
if (!ud->canResurrect)
return false;
} break;
case CMD_REPAIR: {
const CUnit* repairee = GetCommandUnit(c, 0);
if (!ud->canRepair && !ud->canAssist)
return false;
if (repairee != nullptr && !repairee->pos.IsInBounds())
return false;
if (repairee != nullptr && ((repairee->beingBuilt && !ud->canAssist) || (!repairee->beingBuilt && !ud->canRepair)))
return false;
} break;
}
if (cmdID == CMD_FIRE_STATE && (npOrder || !CanChangeFireState()))
return false;
if (cmdID == CMD_MOVE_STATE && (npOrder || (!ud->canmove && !ud->builder)))
return false;
if (cmdID == CMD_REPEAT && (npOrder || !ud->canRepeat || ((int)c.GetParam(0) % 2) != (int)c.GetParam(0)/* only 0 or 1 allowed */))
return false;
if (cmdID == CMD_TRAJECTORY && (npOrder || ud->highTrajectoryType < 2))
return false;
if (cmdID == CMD_ONOFF && (npOrder || !ud->onoffable || owner->beingBuilt || ((int)c.GetParam(0) % 2) != (int)c.GetParam(0)/* only 0 or 1 allowed */))
return false;
if (cmdID == CMD_CLOAK && (npOrder || !ud->canCloak || ((int)c.GetParam(0) % 2) != (int)c.GetParam(0)/* only 0 or 1 allowed */))
return false;
if (cmdID == CMD_STOCKPILE && !stockpileWeapon)
return false;
return true;
}
void CCommandAI::GiveCommand(const Command& c, bool fromSynced)
{
if (!eventHandler.AllowCommand(owner, c, fromSynced))
return;
eventHandler.UnitCommand(owner, c);
this->GiveCommandReal(c, fromSynced); // send to the sub-classes
}
void CCommandAI::GiveCommandReal(const Command& c, bool fromSynced)
{
if (!AllowedCommand(c, fromSynced))
return;
GiveAllowedCommand(c, fromSynced);
}
inline void CCommandAI::SetCommandDescParam0(const Command& c)
{
for (unsigned int n = 0; n < possibleCommands.size(); n++) {
if (possibleCommands[n]->id != c.GetID())
continue;
UpdateCommandDescription(n, c);
break;
}
}
bool CCommandAI::ExecuteStateCommand(const Command& c)
{
switch (c.GetID()) {
case CMD_FIRE_STATE: {
owner->fireState = (int)c.GetParam(0);
SetCommandDescParam0(c);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
case CMD_MOVE_STATE: {
owner->moveState = (int)c.GetParam(0);
SetCommandDescParam0(c);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
case CMD_REPEAT: {
if (c.GetParam(0) == 1) {
repeatOrders = true;
} else if (c.GetParam(0) == 0) {
repeatOrders = false;
} else {
// cause some code parts need it to be either 0 or 1,
// we can not accept any other values as valid
return false;
}
SetCommandDescParam0(c);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
case CMD_TRAJECTORY: {
owner->useHighTrajectory = !!c.GetParam(0);
SetCommandDescParam0(c);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
case CMD_ONOFF: {
if (c.GetParam(0) == 1) {
owner->Activate();
} else if (c.GetParam(0) == 0) {
owner->Deactivate();
} else {
// cause some code parts need it to be either 0 or 1,
// we can not accept any other values as valid
return false;
}
SetCommandDescParam0(c);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
case CMD_CLOAK: {
if (c.GetParam(0) == 1) {
owner->wantCloak = true;
} else if(c.GetParam(0) == 0) {
owner->wantCloak = false;
} else {
// cause some code parts need it to be either 0 or 1,
// we can not accept any other values as valid
return false;
}
SetCommandDescParam0(c);
selectedUnitsHandler.PossibleCommandChange(owner);
return true;
}
case CMD_STOCKPILE: {
int change = 1;
if (c.GetOpts() & RIGHT_MOUSE_KEY) { change *= -1; }
if (c.GetOpts() & SHIFT_KEY) { change *= 5; }
if (c.GetOpts() & CONTROL_KEY) { change *= 20; }
stockpileWeapon->numStockpileQued += change;
stockpileWeapon->numStockpileQued = std::max(stockpileWeapon->numStockpileQued, 0);
UpdateStockpileIcon();
return true;
}
}
// if this is a custom lua command, call CommandFallback
// (ignoring the result) since it can't stay in the queue
if (nonQueingCommands.find(c.GetID()) != nonQueingCommands.end()) {
eventHandler.CommandFallback(owner, c);
return true;
}
return false;
}
void CCommandAI::ClearTargetLock(const Command &c) {
if (((c.GetID() == CMD_ATTACK) || (c.GetID() == CMD_MANUALFIRE)) && (c.GetOpts() & META_KEY) == 0) {
// no meta-bit attack lock, clear the order
owner->DropCurrentAttackTarget();
}
}
void CCommandAI::GiveAllowedCommand(const Command& c, bool fromSynced)
{
if (ExecuteStateCommand(c))
return;
switch (c.GetID()) {
case CMD_SELFD: {
if (owner->unitDef->canSelfD) {
if (!(c.GetOpts() & SHIFT_KEY) || commandQue.empty()) {
if (owner->selfDCountdown != 0) {
owner->selfDCountdown = 0;
} else {
owner->selfDCountdown = owner->unitDef->selfDCountdown*2+1;
}
}
else if (commandQue.back().GetID() == CMD_SELFD) {
commandQue.pop_back();
} else {
commandQue.push_back(c);
}
}
return;
}
case CMD_WAIT: {
GiveWaitCommand(c);
return;
}
case CMD_INSERT: {
ExecuteInsert(c, fromSynced);
return;
}
case CMD_REMOVE: {
ExecuteRemove(c);
return;
}
}
// flush the queue for immediate commands
// NOTE: CMD_STOP can be a queued order (!)
if (!(c.GetOpts() & SHIFT_KEY)) {
waitCommandsAI.ClearUnitQueue(owner, commandQue);
ClearTargetLock((commandQue.empty())? Command(CMD_STOP): commandQue.front());
ClearCommandDependencies();
SetOrderTarget(nullptr);
// if c is an attack command, the actual order-target
// gets set via ExecuteAttack (called from SlowUpdate
// at the end of this function)
commandQue.clear();
assert(commandQue.empty());
inCommand = false;
}
AddCommandDependency(c);
if (c.GetID() == CMD_PATROL) {
CCommandQueue::iterator ci = commandQue.begin();
for (; ci != commandQue.end() && ci->GetID() != CMD_PATROL; ++ci) {
// just increment
}
if (ci == commandQue.end()) {
if (commandQue.empty()) {
commandQue.push_back(Command(CMD_PATROL, c.GetOpts(), owner->pos));
} else {
do {
--ci;
if (ci->GetNumParams() >= 3) {
Command c2(CMD_PATROL, c.GetOpts());
c2.CopyParams(*ci);
commandQue.push_back(c2);
break;
} else if (ci == commandQue.begin()) {
commandQue.push_back(Command(CMD_PATROL, c.GetOpts(), owner->pos));
break;
}
}
while (ci != commandQue.begin());
}
}
}
// cancel duplicated commands
bool first;
if (CancelCommands(c, commandQue, first) > 0) {
if (first) {
commandQue.push_front(Command(CMD_STOP));
SlowUpdate();
}
return;
}
// do not allow overlapping commands
if (!GetOverlapQueued(c).empty())
return;
if (c.GetID() == CMD_ATTACK) {
// avoid weaponless units moving to 0 distance when given attack order
if (owner->weapons.empty() && (!owner->unitDef->canKamikaze)) {
commandQue.push_back(Command(CMD_STOP));
return;
}
}
commandQue.push_back(c);
if (commandQue.size() == 1 && !owner->beingBuilt && !owner->IsStunned()) {
SlowUpdate();
}
}
void CCommandAI::GiveWaitCommand(const Command& c)
{
if (commandQue.empty()) {
commandQue.push_back(c);
return;
}
else if (c.GetOpts() & SHIFT_KEY) {
if (commandQue.back().GetID() == CMD_WAIT) {
waitCommandsAI.RemoveWaitCommand(owner, commandQue.back());
commandQue.pop_back();
} else {
commandQue.push_back(c);
return;
}