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SelectedUnitsHandler.cpp
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SelectedUnitsHandler.cpp
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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "SelectedUnitsHandler.h"
#include "SelectedUnitsAI.h"
#include "Camera.h"
#include "GlobalUnsynced.h"
#include "WaitCommandsAI.h"
#include "Game/Players/Player.h"
#include "Game/Players/PlayerHandler.h"
#include "UI/CommandColors.h"
#include "UI/GuiHandler.h"
#include "UI/TooltipConsole.h"
#include "ExternalAI/EngineOutHandler.h"
#include "ExternalAI/SkirmishAIHandler.h"
#include "Rendering/CommandDrawer.h"
#include "Rendering/LineDrawer.h"
#include "Rendering/GL/myGL.h"
#include "Rendering/GL/VertexArray.h"
#include "Sim/Misc/TeamHandler.h"
#include "Sim/Misc/GlobalSynced.h"
#include "Sim/MoveTypes/MoveDefHandler.h"
#include "Sim/Features/Feature.h"
#include "Sim/Units/Unit.h"
#include "Sim/Units/UnitDef.h"
#include "Sim/Units/UnitHandler.h"
#include "Sim/Units/UnitToolTipMap.hpp"
#include "Sim/Units/CommandAI/BuilderCAI.h"
#include "Sim/Units/CommandAI/CommandAI.h"
#include "Game/UI/Groups/GroupHandler.h"
#include "Game/UI/Groups/Group.h"
#include "System/Config/ConfigHandler.h"
#include "System/Color.h"
#include "System/EventHandler.h"
#include "System/Log/ILog.h"
#include "System/StringUtil.h"
#include "Net/Protocol/NetProtocol.h"
#include "System/Net/PackPacket.h"
#include "System/FileSystem/SimpleParser.h"
#include "System/Input/KeyInput.h"
#include "System/Sound/ISound.h"
#include "System/Sound/ISoundChannels.h"
#include <SDL_mouse.h>
#include <SDL_keycode.h>
CONFIG(bool, BuildIconsFirst).defaultValue(false);
CONFIG(bool, AutoAddBuiltUnitsToFactoryGroup).defaultValue(false).description("Controls whether or not units built by factories will inherit that factory's unit group.");
CONFIG(bool, AutoAddBuiltUnitsToSelectedGroup).defaultValue(false);
CSelectedUnitsHandler selectedUnitsHandler;
CSelectedUnitsHandler::CSelectedUnitsHandler()
: selectionChanged(false)
, possibleCommandsChanged(true)
, selectedGroup(-1)
, soundMultiselID(0)
, autoAddBuiltUnitsToFactoryGroup(false)
, autoAddBuiltUnitsToSelectedGroup(false)
, buildIconsFirst(false)
{
}
void CSelectedUnitsHandler::Init(unsigned numPlayers)
{
soundMultiselID = sound->GetSoundId("MultiSelect");
buildIconsFirst = configHandler->GetBool("BuildIconsFirst");
autoAddBuiltUnitsToFactoryGroup = configHandler->GetBool("AutoAddBuiltUnitsToFactoryGroup");
autoAddBuiltUnitsToSelectedGroup = configHandler->GetBool("AutoAddBuiltUnitsToSelectedGroup");
netSelected.resize(numPlayers);
}
bool CSelectedUnitsHandler::IsUnitSelected(const CUnit* unit) const
{
return (unit != nullptr && selectedUnits.find(unit->id) != selectedUnits.end());
}
bool CSelectedUnitsHandler::IsUnitSelected(const int unitID) const
{
return (IsUnitSelected(unitHandler.GetUnit(unitID)));
}
void CSelectedUnitsHandler::ToggleBuildIconsFirst()
{
buildIconsFirst = !buildIconsFirst;
possibleCommandsChanged = true;
}
CSelectedUnitsHandler::AvailableCommandsStruct CSelectedUnitsHandler::GetAvailableCommands()
{
possibleCommandsChanged = false;
int commandPage = 1000;
int foundGroup = -2;
int foundGroup2 = -2;
spring::unordered_map<int, int> states;
std::vector<SCommandDescription> commands;
for (const int unitID: selectedUnits) {
const CUnit* u = unitHandler.GetUnit(unitID);
const CCommandAI* cai = u->commandAI;
for (const SCommandDescription* cmdDesc: cai->GetPossibleCommands()) {
states[cmdDesc->id] = cmdDesc->disabled ? 2 : 1;
}
if (cai->lastSelectedCommandPage < commandPage)
commandPage = cai->lastSelectedCommandPage;
if (foundGroup == -2 && u->group)
foundGroup = u->group->id;
if (!u->group || foundGroup != u->group->id)
foundGroup = -1;
if (foundGroup2 == -2 && u->group)
foundGroup2 = u->group->id;
if (foundGroup2 >= 0 && u->group && u->group->id != foundGroup2)
foundGroup2 = -1;
}
// load the first set (separating build and non-build commands)
for (const int unitID: selectedUnits) {
const CUnit* u = unitHandler.GetUnit(unitID);
const CCommandAI* cai = u->commandAI;
for (const SCommandDescription* cmdDesc: cai->GetPossibleCommands()) {
if (buildIconsFirst) {
if (cmdDesc->id >= 0)
continue;
} else {
if (cmdDesc->id < 0)
continue;
}
if (cmdDesc->showUnique && selectedUnits.size() > 1)
continue;
if (states[cmdDesc->id] > 0) {
commands.push_back(*cmdDesc);
states[cmdDesc->id] = 0;
}
}
}
// load the second set (all those that have not already been included)
for (const int unitID: selectedUnits) {
const CUnit* u = unitHandler.GetUnit(unitID);
const CCommandAI* cai = u->commandAI;
for (const SCommandDescription* cmdDesc: cai->GetPossibleCommands()) {
if (buildIconsFirst) {
if (cmdDesc->id < 0)
continue;
} else {
if (cmdDesc->id >= 0)
continue;
}
if (cmdDesc->showUnique && selectedUnits.size() > 1)
continue;
if (states[cmdDesc->id] > 0) {
commands.push_back(*cmdDesc);
states[cmdDesc->id] = 0;
}
}
}
AvailableCommandsStruct ac;
ac.commandPage = commandPage;
ac.commands = commands;
return ac;
}
void CSelectedUnitsHandler::GiveCommand(const Command& c, bool fromUser)
{
if (gu->spectating && !gs->godMode)
return;
if (selectedUnits.empty())
return;
const int cmdID = c.GetID();
if (fromUser) { // add some statistics
playerHandler.Player(gu->myPlayerNum)->currentStats.numCommands++;
if (selectedGroup != -1) {
playerHandler.Player(gu->myPlayerNum)->currentStats.unitCommands += grouphandlers[gu->myTeam]->groups[selectedGroup]->units.size();
} else {
playerHandler.Player(gu->myPlayerNum)->currentStats.unitCommands += selectedUnits.size();
}
}
if (cmdID == CMD_GROUPCLEAR) {
for (const int unitID: selectedUnits) {
CUnit* u = unitHandler.GetUnit(unitID);
if (u->group != nullptr) {
u->SetGroup(nullptr);
possibleCommandsChanged = true;
}
}
return;
}
if (cmdID == CMD_GROUPSELECT) {
SelectGroup(unitHandler.GetUnit(*selectedUnits.begin())->group->id);
return;
}
if (cmdID == CMD_GROUPADD) {
CGroup* group = nullptr;
for (const int unitID: selectedUnits) {
CUnit* u = unitHandler.GetUnit(unitID);
if (u->group != nullptr) {
group = u->group;
possibleCommandsChanged = true;
break;
}
}
if (group != nullptr) {
for (const int unitID: selectedUnits) {
CUnit* u = unitHandler.GetUnit(unitID);
if (u == nullptr) {
assert(false);
continue;
}
if (u->group != nullptr)
continue;
// change group, but do not call SUH::AddUnit while iterating
// (the unit's id is already present in selectedUnits anyway)
u->SetGroup(group, false, false);
}
SelectGroup(group->id);
}
return;
}
if (cmdID == CMD_TIMEWAIT) {
waitCommandsAI.AddTimeWait(c);
return;
}
if (cmdID == CMD_DEATHWAIT) {
waitCommandsAI.AddDeathWait(c);
return;
}
if (cmdID == CMD_SQUADWAIT) {
waitCommandsAI.AddSquadWait(c);
return;
}
if (cmdID == CMD_GATHERWAIT) {
waitCommandsAI.AddGatherWait(c);
return;
}
SendCommand(c);
if (!selectedUnits.empty()) {
const CUnit* u = unitHandler.GetUnit(*selectedUnits.begin());
const UnitDef* ud = u->unitDef;
Channels::UnitReply->PlayRandomSample(ud->sounds.ok, u);
}
}
void CSelectedUnitsHandler::HandleUnitBoxSelection(const float4& planeRight, const float4& planeLeft, const float4& planeTop, const float4& planeBottom)
{
CUnit* unit = nullptr;
int addedunits = 0;
int team = 0;
int lastTeam = 0;
if (gu->spectatingFullSelect || gs->godMode) {
// any team's units can be *selected*
// (whether they can be given orders
// depends on our ability to play god)
lastTeam = teamHandler.ActiveTeams() - 1;
} else {
team = gu->myTeam;
lastTeam = gu->myTeam;
}
for (; team <= lastTeam; team++) {
for (CUnit* u: unitHandler.GetUnitsByTeam(team)) {
const float4 vec(u->midPos, 1.0f);
if (vec.dot4(planeRight) >= 0.0f)
continue;
if (vec.dot4(planeLeft) >= 0.0f)
continue;
if (vec.dot4(planeTop) >= 0.0f)
continue;
if (vec.dot4(planeBottom) >= 0.0f)
continue;
if (KeyInput::GetKeyModState(KMOD_CTRL) && (selectedUnits.find(u->id) != selectedUnits.end())) {
RemoveUnit(u);
} else {
AddUnit(unit = u);
addedunits++;
}
}
}
switch (addedunits) {
case 0: {} break;
case 1: {
Channels::UnitReply->PlayRandomSample(unit->unitDef->sounds.select, unit);
} break;
case 2: // fall-through
default: {
Channels::UserInterface->PlaySample(soundMultiselID);
} break;
}
}
void CSelectedUnitsHandler::HandleSingleUnitClickSelection(CUnit* unit, bool doInViewTest, bool selectType)
{
//FIXME make modular?
if (unit == nullptr)
return;
if (unit->team != gu->myTeam && !gu->spectatingFullSelect && !gs->godMode)
return;
if (!selectType) {
if (KeyInput::GetKeyModState(KMOD_CTRL) && (selectedUnits.find(unit->id) != selectedUnits.end())) {
RemoveUnit(unit);
} else {
AddUnit(unit);
}
} else {
//double click, select all units of same type (on screen, unless CTRL is pressed)
int team, lastTeam;
if (gu->spectatingFullSelect || gs->godMode) {
team = 0;
lastTeam = teamHandler.ActiveTeams() - 1;
} else {
team = gu->myTeam;
lastTeam = gu->myTeam;
}
for (; team <= lastTeam; team++) {
for (CUnit* u: unitHandler.GetUnitsByTeam(team)) {
if (u->unitDef->id == unit->unitDef->id) {
if (!doInViewTest || KeyInput::GetKeyModState(KMOD_CTRL) || camera->InView((u)->midPos)) {
AddUnit(u);
}
}
}
}
}
Channels::UnitReply->PlayRandomSample(unit->unitDef->sounds.select, unit);
}
void CSelectedUnitsHandler::AddUnit(CUnit* unit)
{
// if unit is being transported, we should not be able to select it
const CUnit* trans = unit->GetTransporter();
if (trans != nullptr && trans->unitDef->IsTransportUnit() && !trans->unitDef->isFirePlatform)
return;
if (unit->noSelect)
return;
if (selectedUnits.insert(unit->id).second)
AddDeathDependence(unit, DEPENDENCE_SELECTED);
selectionChanged = true;
possibleCommandsChanged = true;
if (!(unit->group) || unit->group->id != selectedGroup)
selectedGroup = -1;
unit->isSelected = true;
}
void CSelectedUnitsHandler::RemoveUnit(CUnit* unit)
{
if (selectedUnits.erase(unit->id))
DeleteDeathDependence(unit, DEPENDENCE_SELECTED);
selectionChanged = true;
possibleCommandsChanged = true;
selectedGroup = -1;
unit->isSelected = false;
}
void CSelectedUnitsHandler::ClearSelected()
{
for (const int unitID: selectedUnits) {
CUnit* u = unitHandler.GetUnit(unitID);
// not possible unless ::RemoveUnit is not called when it should
if (u == nullptr) {
assert(false);
continue;
}
u->isSelected = false;
DeleteDeathDependence(u, DEPENDENCE_SELECTED);
}
selectedUnits.clear();
selectionChanged = true;
possibleCommandsChanged = true;
selectedGroup = -1;
}
void CSelectedUnitsHandler::SelectGroup(int num)
{
ClearSelected();
selectedGroup = num;
CGroup* group = grouphandlers[gu->myTeam]->groups[num];
for (const int unitID: group->units) {
CUnit* u = unitHandler.GetUnit(unitID);
if (!u->noSelect) {
u->isSelected = true;
selectedUnits.insert(u->id);
AddDeathDependence(u, DEPENDENCE_SELECTED);
}
}
selectionChanged = true;
possibleCommandsChanged = true;
}
void CSelectedUnitsHandler::SelectUnits(const std::string& line)
{
const std::vector<string>& args = CSimpleParser::Tokenize(line, 0);
for (int i = 0; i < (int)args.size(); i++) {
const std::string& arg = args[i];
if (arg == "clear") {
selectedUnitsHandler.ClearSelected();
} else if ((arg[0] == '+') || (arg[0] == '-')) {
char* endPtr;
const char* startPtr = arg.c_str() + 1;
const int unitIndex = strtol(startPtr, &endPtr, 10);
if (endPtr == startPtr)
continue; // bad number
if ((unitIndex < 0) || (static_cast<unsigned int>(unitIndex) >= unitHandler.MaxUnits()))
continue; // bad index
CUnit* unit = unitHandler.GetUnit(unitIndex);
if (unit == nullptr)
continue;
if (!gu->spectatingFullSelect && (unit->team != gu->myTeam))
continue; // not mine to select
// perform the selection
if (arg[0] == '+') {
AddUnit(unit);
} else {
RemoveUnit(unit);
}
}
}
}
void CSelectedUnitsHandler::SelectCycle(const std::string& command)
{
static spring::unordered_set<int> unitIDs;
static int lastID = -1;
if (command == "restore") {
ClearSelected();
for (const int unitID: unitIDs) {
CUnit* unit = unitHandler.GetUnit(unitID);
if (unit == nullptr)
continue;
AddUnit(unit);
}
return;
}
if (selectedUnits.size() >= 2) {
// assign the cycle units
unitIDs.clear();
for (const int unitID: selectedUnits) {
const CUnit* u = unitHandler.GetUnit(unitID);
unitIDs.insert(u->id);
}
ClearSelected();
AddUnit(unitHandler.GetUnit(lastID = *unitIDs.begin()));
return;
}
// clean the list
spring::unordered_set<int> tmpSet;
for (const int unitID: unitIDs) {
if (unitHandler.GetUnit(unitID) == nullptr)
continue;
tmpSet.insert(unitID);
}
unitIDs = std::move(tmpSet);
if ((lastID >= 0) && (unitHandler.GetUnit(lastID) == nullptr))
lastID = -1;
// selectedUnits size is 0 or 1
ClearSelected();
if (unitIDs.empty())
return;
auto fit = unitIDs.find(lastID);
if (fit == unitIDs.end()) {
AddUnit(unitHandler.GetUnit(lastID = *unitIDs.begin()));
return;
}
if ((++fit) != unitIDs.end()) {
AddUnit(unitHandler.GetUnit(lastID = *fit));
return;
}
AddUnit(unitHandler.GetUnit(lastID = *unitIDs.begin()));
}
void CSelectedUnitsHandler::Draw()
{
glDisable(GL_TEXTURE_2D);
glDepthMask(false);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND); // for line smoothing
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glLineWidth(cmdColors.UnitBoxLineWidth());
SColor color1(cmdColors.unitBox);
SColor color2(cmdColors.unitBox);
color2.r = 255 - color2.r;
color2.g = 255 - color2.g;
color2.b = 255 - color2.b;
if (color1.a > 0) {
const auto* unitSet = &selectedUnits;
// note: units in this set are not necessarily all selected themselves, eg.
// if autoAddBuiltUnitsToSelectedGroup is true, so we check IsUnitSelected
// for each
if (selectedGroup != -1) {
const CGroupHandler* gh = grouphandlers[gu->myTeam];
const CGroup* g = gh->groups[selectedGroup];
unitSet = &g->units;
}
CVertexArray* va = GetVertexArray();
va->Initialize();
va->EnlargeArrays(unitSet->size() * 8, 0, VA_SIZE_C);
for (const int unitID: *unitSet) {
const CUnit* unit = unitHandler.GetUnit(unitID);
const MoveDef* moveDef = unit->moveDef;
if (unit->isIcon) continue;
if (!IsUnitSelected(unit)) continue;
const int
uhxsize = (unit->xsize * SQUARE_SIZE) >> 1,
uhzsize = (unit->zsize * SQUARE_SIZE) >> 1,
mhxsize = (moveDef == NULL)? uhxsize: ((moveDef->xsize * SQUARE_SIZE) >> 1),
mhzsize = (moveDef == NULL)? uhzsize: ((moveDef->zsize * SQUARE_SIZE) >> 1);
const float3 verts[8] = {
// UnitDef footprint corners
float3(unit->drawPos.x + uhxsize, unit->drawPos.y, unit->drawPos.z + uhzsize),
float3(unit->drawPos.x - uhxsize, unit->drawPos.y, unit->drawPos.z + uhzsize),
float3(unit->drawPos.x - uhxsize, unit->drawPos.y, unit->drawPos.z - uhzsize),
float3(unit->drawPos.x + uhxsize, unit->drawPos.y, unit->drawPos.z - uhzsize),
// MoveDef footprint corners
float3(unit->drawPos.x + mhxsize, unit->drawPos.y, unit->drawPos.z + mhzsize),
float3(unit->drawPos.x - mhxsize, unit->drawPos.y, unit->drawPos.z + mhzsize),
float3(unit->drawPos.x - mhxsize, unit->drawPos.y, unit->drawPos.z - mhzsize),
float3(unit->drawPos.x + mhxsize, unit->drawPos.y, unit->drawPos.z - mhzsize),
};
va->AddVertexQC(verts[0], color1);
va->AddVertexQC(verts[1], color1);
va->AddVertexQC(verts[2], color1);
va->AddVertexQC(verts[3], color1);
if (globalRendering->drawdebug && (mhxsize != uhxsize || mhzsize != uhzsize)) {
va->AddVertexQC(verts[4], color2);
va->AddVertexQC(verts[5], color2);
va->AddVertexQC(verts[6], color2);
va->AddVertexQC(verts[7], color2);
}
}
va->DrawArrayC(GL_QUADS);
}
// highlight queued build sites if we are about to build something
// (or old-style, whenever the shift key is being held down)
if (cmdColors.buildBox[3] > 0.0f) {
if (!selectedUnits.empty() &&
((cmdColors.BuildBoxesOnShift() && KeyInput::GetKeyModState(KMOD_SHIFT)) ||
((guihandler->inCommand >= 0) &&
(guihandler->inCommand < int(guihandler->commands.size())) &&
(guihandler->commands[guihandler->inCommand].id < 0)))) {
bool myColor = true;
glColor4fv(cmdColors.buildBox);
for (const auto bi: unitHandler.GetBuilderCAIs()) {
const CBuilderCAI* builderCAI = bi.second;
const CUnit* builder = builderCAI->owner;
if (builder->team == gu->myTeam) {
if (!myColor) {
glColor4fv(cmdColors.buildBox);
myColor = true;
}
commandDrawer->DrawQuedBuildingSquares(builderCAI);
}
else if (teamHandler.AlliedTeams(builder->team, gu->myTeam)) {
if (myColor) {
glColor4fv(cmdColors.allyBuildBox);
myColor = false;
}
commandDrawer->DrawQuedBuildingSquares(builderCAI);
}
}
}
}
glLineWidth(1.0f);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDepthMask(true);
glEnable(GL_TEXTURE_2D);
}
void CSelectedUnitsHandler::DependentDied(CObject *o)
{
selectedUnits.erase(static_cast<CUnit*>(o)->id);
selectionChanged = true;
possibleCommandsChanged = true;
}
void CSelectedUnitsHandler::NetSelect(std::vector<int>& s, int playerId)
{
assert(unsigned(playerId) < netSelected.size());
netSelected[playerId] = s;
}
void CSelectedUnitsHandler::NetOrder(Command& c, int playerId)
{
assert(unsigned(playerId) < netSelected.size());
selectedUnitsAI.GiveCommandNet(c, playerId);
if (netSelected[playerId].empty())
return;
eoh->PlayerCommandGiven(netSelected[playerId], c, playerId);
}
void CSelectedUnitsHandler::ClearNetSelect(int playerId)
{
netSelected[playerId].clear();
}
void CSelectedUnitsHandler::AINetOrder(int unitID, int playerID, const Command& c)
{
CUnit* unit = unitHandler.GetUnit(unitID);
if (unit == nullptr)
return;
const CPlayer* player = playerHandler.Player(playerID);
if (player == nullptr)
return;
if (!player->CanControlTeam(unit->team)) {
// Outputting a warning will result in false bug reports due to lag
// between time of giving valid orders on units which then change team
// due to e.g. LuaRules.
//LOG_L(L_WARNING, "Invalid order from player %i for (unit %i %s, team %i)",
// playerID, unitID, unit->unitDefName.c_str(), unit->team);
return;
}
// always pulled from net, synced command by definition
// (fromSynced determines whether CMD_UNLOAD_UNITS uses
// synced or unsynced randomized position sampling, etc)
unit->commandAI->GiveCommand(c, true);
}
/******************************************************************************/
//
// GetDefaultCmd() and friends
//
static bool targetIsEnemy = false;
static const CUnit* targetUnit = nullptr;
static const CFeature* targetFeature = nullptr;
static inline bool IsBetterLeader(const UnitDef* newDef, const UnitDef* oldDef)
{
// There is a lot more that could be done here to make better
// selections, but the users may prefer simplicity over smarts.
if (targetUnit != nullptr) {
if (targetIsEnemy) {
const bool newCanDamage = newDef->CanDamage();
const bool oldCanDamage = oldDef->CanDamage();
if ( newCanDamage && !oldCanDamage)
return true;
if (!newCanDamage && oldCanDamage)
return false;
if (!targetUnit->unitDef->CanDamage()) {
if ( newDef->canReclaim && !oldDef->canReclaim)
return true;
if (!newDef->canReclaim && oldDef->canReclaim)
return false;
}
} else { // targetIsAlly
if (targetUnit->health < targetUnit->maxHealth) {
if ( newDef->canRepair && !oldDef->canRepair)
return true;
if (!newDef->canRepair && oldDef->canRepair)
return false;
}
const bool newCanLoad = (newDef->transportCapacity > 0);
const bool oldCanLoad = (oldDef->transportCapacity > 0);
if ( newCanLoad && !oldCanLoad)
return true;
if (!newCanLoad && oldCanLoad)
return false;
if ( newDef->canGuard && !oldDef->canGuard)
return true;
if (!newDef->canGuard && oldDef->canGuard)
return false;
}
}
else if (targetFeature != nullptr) {
if (targetFeature->udef != nullptr) {
if ( newDef->canResurrect && !oldDef->canResurrect)
return true;
if (!newDef->canResurrect && oldDef->canResurrect)
return false;
}
if ( newDef->canReclaim && !oldDef->canReclaim)
return true;
if (!newDef->canReclaim && oldDef->canReclaim)
return false;
}
return (newDef->speed > oldDef->speed); // CMD_MOVE?
}
// CALLINFO:
// DrawMapStuff --> CGuiHandler::GetDefaultCommand --> GetDefaultCmd
// CMouseHandler::DrawCursor --> DrawCentroidCursor --> CGuiHandler::GetDefaultCommand --> GetDefaultCmd
// LuaUnsyncedRead::GetDefaultCommand --> CGuiHandler::GetDefaultCommand --> GetDefaultCmd
int CSelectedUnitsHandler::GetDefaultCmd(const CUnit* unit, const CFeature* feature)
{
// return the default if there are no units selected
if (selectedUnits.empty())
return CMD_STOP;
// setup the locals for IsBetterLeader()
targetUnit = unit;
targetFeature = feature;
if (targetUnit != nullptr)
targetIsEnemy = !teamHandler.Ally(gu->myAllyTeam, targetUnit->allyteam);
// find the best leader to pick the command
const CUnit* leaderUnit = unitHandler.GetUnit(*selectedUnits.begin());
const UnitDef* leaderDef = leaderUnit->unitDef;
for (const int unitID: selectedUnits) {
const CUnit* testUnit = unitHandler.GetUnit(unitID);
const UnitDef* testDef = testUnit->unitDef;
if (testDef == leaderDef)
continue;
if (!IsBetterLeader(testDef, leaderDef))
continue;
leaderDef = testDef;
leaderUnit = testUnit;
}
int cmd = leaderUnit->commandAI->GetDefaultCmd(unit, feature);
eventHandler.DefaultCommand(unit, feature, cmd);
return cmd;
}
/******************************************************************************/
void CSelectedUnitsHandler::PossibleCommandChange(CUnit* sender)
{
possibleCommandsChanged |= (sender == nullptr || selectedUnits.find(sender->id) != selectedUnits.end());
}
// CALLINFO:
// CGame::Draw --> DrawCommands
// CMiniMap::DrawForReal --> DrawCommands
void CSelectedUnitsHandler::DrawCommands()
{
glDisable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
lineDrawer.Configure(cmdColors.UseColorRestarts(),
cmdColors.UseRestartColor(),
cmdColors.restart,
cmdColors.RestartAlpha());
lineDrawer.SetupLineStipple();
glEnable(GL_BLEND);
glBlendFunc((GLenum) cmdColors.QueuedBlendSrc(), (GLenum) cmdColors.QueuedBlendDst());
glLineWidth(cmdColors.QueuedLineWidth());
if (selectedGroup != -1) {
const auto& groupUnits = grouphandlers[gu->myTeam]->groups[selectedGroup]->units;
for (const int unitID: groupUnits) {
commandDrawer->Draw((unitHandler.GetUnit(unitID))->commandAI);
}
} else {
for (const int unitID: selectedUnits) {
commandDrawer->Draw((unitHandler.GetUnit(unitID))->commandAI);
}
}
// draw the commands from AIs
waitCommandsAI.DrawCommands();
glLineWidth(1.0f);
glEnable(GL_DEPTH_TEST);
}
// CALLINFO:
// CTooltipConsole::Draw --> CMouseHandler::GetCurrentTooltip
// LuaUnsyncedRead::GetCurrentTooltip --> CMouseHandler::GetCurrentTooltip
// CMouseHandler::GetCurrentTooltip --> CMiniMap::GetToolTip --> GetTooltip
// CMouseHandler::GetCurrentTooltip --> GetTooltip
std::string CSelectedUnitsHandler::GetTooltip()
{
std::string s;
{
if (selectedUnits.empty())
return s;
const CUnit* unit = unitHandler.GetUnit(*selectedUnits.begin());
const CTeam* team = nullptr;
// show the player name instead of unit name if it has FBI tag showPlayerName
if (unit->unitDef->showPlayerName) {
team = teamHandler.Team(unit->team);
s = team->GetControllerName();
} else {
s = unitToolTipMap.Get(unit->id);
}
}
const std::string custom = std::move(eventHandler.WorldTooltip(nullptr, nullptr, nullptr));
if (!custom.empty())
return custom;
{
#define NO_TEAM -32
#define MULTI_TEAM -64
int ctrlTeam = NO_TEAM;
SUnitStats stats;
for (const int unitID: selectedUnits) {
const CUnit* unit = unitHandler.GetUnit(unitID);
stats.AddUnit(unit, false);
if (ctrlTeam == NO_TEAM) {
ctrlTeam = unit->team;
} else if (ctrlTeam != unit->team) {
ctrlTeam = MULTI_TEAM;
}
}
s += CTooltipConsole::MakeUnitStatsString(stats);
const char* ctrlName = "";
if (ctrlTeam == MULTI_TEAM) {
ctrlName = "(Multiple teams)";
} else if (ctrlTeam != NO_TEAM) {
ctrlName = teamHandler.Team(ctrlTeam)->GetControllerName();
}
s += "\n\xff\xff\xff\xff";
s += ctrlName;
return s;
}
}
void CSelectedUnitsHandler::SetCommandPage(int page)
{
for (const int unitID: selectedUnits) {
CUnit* u = unitHandler.GetUnit(unitID);
CCommandAI* c = u->commandAI;
c->lastSelectedCommandPage = page;
}
}
void CSelectedUnitsHandler::SendCommand(const Command& c)
{
if (selectionChanged) {
// send new selection; first gather unit IDs
std::vector<int16_t> selectedUnitIDs(selectedUnits.size(), 0);
std::vector<int16_t>::iterator idIter = selectedUnitIDs.begin();
for (auto ui = selectedUnits.begin(); ui != selectedUnits.end(); ++idIter, ++ui) {
*idIter = *ui;
}
clientNet->Send(CBaseNetProtocol::Get().SendSelect(gu->myPlayerNum, selectedUnitIDs));
selectionChanged = false;
}
clientNet->Send(CBaseNetProtocol::Get().SendCommand(gu->myPlayerNum, c.GetID(), c.GetOpts(), c.GetNumParams(), c.GetParams()));
}
void CSelectedUnitsHandler::SendCommandsToUnits(const std::vector<int>& unitIDs, const std::vector<Command>& commands, bool pairwise)
{
if (gu->spectating && !gs->godMode) {
// do not waste bandwidth (units can be selected
// by any spectator, but not given orders without
// god-mode)
// note: clients verify this every NETMSG_SELECT
return;
}
const unsigned unitIDCount = unitIDs.size();
const unsigned commandCount = commands.size();