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//-----------------------------------------------------------------------------
// Name: avatar_control_manager.cpp
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#include "avatar_control_manager.h"
#include <Main/engine.h>
#include <Main/scenegraph.h>
#include <Graphics/camera.h>
#include <Editors/map_editor.h>
#include <Objects/cameraobject.h>
#include <Game/level.h>
#include <Online/online.h>
std::vector<Possession> AvatarControlManager::GeneratePossessionList() {
Engine* engine = Engine::Instance();
Online* online = Online::Instance();
SceneGraph* scenegraph_ = Engine::Instance()->GetSceneGraph();
std::vector<Possession> possessions;
int local_player_index = 0;
if(online->IsActive()) {
for(auto& player_state : online->GetPlayerStates()) {
if (player_state.object_id == -1) {
continue;
}
bool is_local = online->IsLocalAvatar(player_state.object_id);
int camera_id = -1;
int controller_id = -1;
if(is_local) {
camera_id = 0;
controller_id = local_player_index;
local_player_index++;
} else {
//Virtual controller_id, used for syncing input from remote source
camera_id = player_state.camera_id;
controller_id = player_state.controller_id;
}
MovementObject* mo = nullptr;
if(scenegraph_ != nullptr ) {
Object* ob = scenegraph_->GetObjectFromID(player_state.object_id);
if(ob != nullptr && ob->GetType() == EntityType::_movement_object) {
mo = static_cast<MovementObject*>(ob);
}
}
if(mo != nullptr && camera_id != -1 && controller_id != -1) {
possessions.push_back(Possession(
player_state.object_id,
controller_id,
camera_id,
is_local
));
}
}
}
std::vector<ObjectID> unpossessed_avatars = GetUnpossessedAvatars();
for(int i = 0; i < unpossessed_avatars.size(); i++) {
int camera_id = 0;
if(Engine::Instance()->GetSplitScreen()) {
camera_id = i;
}
possessions.push_back(Possession(unpossessed_avatars[i], local_player_index, camera_id, !Online::Instance()->IsActive() || Online::Instance()->IsHosting()));
local_player_index++;
}
return possessions;
}
std::vector<ObjectID> AvatarControlManager::GetUnpossessedAvatars() {
Online* online = Online::Instance();
SceneGraph* scenegraph_ = Engine::Instance()->GetSceneGraph();
std::vector<ObjectID> unpossessed_avatars;
int avatar_ids[Engine::kMaxAvatars];
int num_avatars;
if(scenegraph_ != nullptr) {
scenegraph_->GetPlayerCharacterIDs(&num_avatars, avatar_ids, Engine::kMaxAvatars);
for(int i = 0; i < num_avatars; i++) {
bool found = online->IsAvatarPossessed(avatar_ids[i]);
if(found == false) {
unpossessed_avatars.push_back(avatar_ids[i]);
}
}
}
return unpossessed_avatars;
}
void AvatarControlManager::Update() {
Engine* engine = Engine::Instance();
Online* online = Online::Instance();
SceneGraph* scenegraph_ = Engine::Instance()->GetSceneGraph();
scenegraph_->GetPlayerCharacterIDs(&engine->num_avatars, engine->avatar_ids, Engine::kMaxAvatars);
if (scenegraph_->map_editor->state_ != MapEditor::kInGame) { // We probably shouldn't do this in mp at all, not even our own controlable char as host
for(int i=0; i < engine->num_avatars; ++i){
Object* obj = scenegraph_->GetObjectFromID(engine->avatar_ids[i]);
if(obj->GetType() == _movement_object){
MovementObject* avatar = (MovementObject*)obj;
//If we're in a multiplayer game, don't switch other players characters to NPC mode, only do it to ours.
if (online->IsHosting() == false || online->IsLocalAvatar(engine->avatar_ids[i])) {
avatar->ChangeControlScript(scenegraph_->level->GetNPCScript(avatar));
avatar->controlled = false;
avatar->camera_id = 0;
}
}
}
Camera& active_camera = *ActiveCameras::Get();
CameraObject& camera_object = *active_camera.getCameraObject();
if(!camera_object.controlled) {
camera_object.controlled = true;
camera_object.SetTranslation(active_camera.GetPos());
}
} else {
//If there is no controllable avatars in the scene, create one at the camera position and use it.
if (engine->num_avatars == 0) {
int id = scenegraph_->map_editor->CreateObject("Data/Objects/IGF_Characters/IGF_TurnerActor.xml");
MovementObject* mo = static_cast<MovementObject*>(scenegraph_->GetObjectFromID(id));
mo->SetTranslation(ActiveCameras::Get()->getCameraObject()->GetTranslation());
mo->is_player = true;
scenegraph_->GetPlayerCharacterIDs(&engine->num_avatars, engine->avatar_ids, Engine::kMaxAvatars);
}
//If we're running in multiplayer, disable multiple local avatars for now.
//This might change in the future if we want to support local split-screen, then
//this has to be called with the number of local players on _this_ client/host,
//because this function sets up the bindings between controllers and the indexes of controller
//input from 0 to 3.
if(online->IsActive()) {
Input::Instance()->SetUpForXPlayers(1);
} else {
Input::Instance()->SetUpForXPlayers(engine->num_avatars);
}
bool focused_character_set = false;
/*
for (uint32_t i = 0; i < num_npc_avatars; i++) {
MovementObject* avatar = static_cast<MovementObject*>(scenegraph_->GetObjectFromID(avatar_ids[i]));
if (Engine::Instance()->multiplayer.IsActive() && !Engine::Instance()->multiplayer.IsHosting()) {
avatar->ChangeControlScript(scenegraph_->level->GetNPCMPScript());
}
}
*/
std::vector<Possession> possessions = GeneratePossessionList();
for(Possession possession : possessions) {
MovementObject* avatar = static_cast<MovementObject*>(scenegraph_->GetObjectFromID(possession.avatar));
if (avatar != nullptr) {
avatar->ChangeControlScript(scenegraph_->level->GetPCScript(avatar));
avatar->controlled = true;
avatar->controller_id = possession.controller_id;
avatar->remote = !possession.is_local;
if (possession.is_local) {
//Changing the focused value should only occur if we're playing in split-screen, as it's the only
//situation where it's relevant to dynamically shift the audio source, and the underlying reason why
//we have this concept in the engine in the first place.
if (engine->GetSplitScreen()) {
//TODO:
//Getting the knocked_out value here from the angel script env is pretty rough.
//We should reconsider this approach. /Max
if (!focused_character_set && avatar->ASGetIntVar("knocked_out") == MovementObject::_awake) {
avatar->focused_character = true;
focused_character_set = true;
}
else {
avatar->focused_character = false;
}
}
else {
if (!avatar->focused_character && !focused_character_set && !avatar->remote && Online::Instance()->IsHosting()) {
Online::Instance()->PossessAvatar(Online::Instance()->online_session->local_player_id, avatar->GetID());
}
//Set the first player controlled avatar as the focused one, this works
//in single player because we only expect there to be one controllable
//avatar.
avatar->focused_character = !focused_character_set;
focused_character_set = true;
}
}
avatar->camera_id = possession.camera_id;
}
}
ActiveCameras::Get()->getCameraObject()->controlled = false;
}
}
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