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//-----------------------------------------------------------------------------
// Name: object.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 "object.h"
#include <Internal/common.h>
#include <Internal/memwrite.h>
#include <Math/vec3math.h>
#include <Math/vec4math.h>
#include <Objects/prefab.h>
#include <Asset/Asset/material.h>
#include <Game/level.h>
#include <Editors/map_editor.h>
#include <Utility/ieee.h>
#include <GUI/gui.h>
#include <tinyxml.h>
#include <SDL_assert.h>
#include <cstdarg>
extern Timer game_timer;
void Object::SaveHistoryState( std::list<SavedChunk> &chunk_list, int state_id ) {
SavedChunk saved_chunk;
saved_chunk.obj_id = GetID();
if(GetType() != _group && GetType() != _prefab){
saved_chunk.type = ChunkType::OBJECT;
} else {
saved_chunk.type = ChunkType::GROUP;
}
GetDesc(saved_chunk.desc);
AddChunkToHistory(chunk_list, state_id, saved_chunk);
}
int Object::lineCheck(const vec3 &start, const vec3 &end, vec3 *point, vec3 *normal) {
return LineCheckEditorCube(start, end, point, normal);
}
int Object::LineCheckEditorCube( const vec3 &start, const vec3 &end, vec3 *point, vec3 *normal/*=0*/ ) {
int intersecting = box_.lineCheck(invert(transform_)*start,
invert(transform_)*end,
point,
normal);
if(intersecting!=-1){
if(point) {
*point = transform_ * *point;
}
if(normal) {
*normal = rotation_ * *normal;
}
}
return intersecting;
}
void Object::HandleTransformationOccurred(){
Online* online = Online::Instance();
if (online->IsActive()) {
online->Send<OnlineMessages::EditorTransformChange>(GetID(), translation_, scale_, rotation_);
}
}
const MaterialEvent& Object::GetMaterialEvent( const std::string &the_event, const vec3 &event_pos, int *tri ) {
//MaterialRef ref = Materials::Instance()->ReturnRef("Data/Materials/default.xml");
MaterialRef ref = Engine::Instance()->GetAssetManager()->LoadSync<Material>("Data/Materials/default.xml");
return ref->GetEvent(the_event);
}
const MaterialEvent& Object::GetMaterialEvent( const std::string &the_event, const vec3 &event_pos, const std::string &mod, int *tri ) {
//MaterialRef ref = Materials::Instance()->ReturnRef("Data/Materials/default.xml");
MaterialRef ref = Engine::Instance()->GetAssetManager()->LoadSync<Material>("Data/Materials/default.xml");
return ref->GetEvent(the_event, mod);
}
const MaterialDecal& Object::GetMaterialDecal( const std::string &type, const vec3 &pos, int *tri ) {
//MaterialRef ref = Materials::Instance()->ReturnRef("Data/Materials/default.xml");
MaterialRef ref = Engine::Instance()->GetAssetManager()->LoadSync<Material>("Data/Materials/default.xml");
return ref->GetDecal(type);
}
const MaterialParticle& Object::GetMaterialParticle( const std::string &type, const vec3 &pos, int *tri ) {
//MaterialRef ref = Materials::Instance()->ReturnRef("Data/Materials/default.xml");
MaterialRef ref = Engine::Instance()->GetAssetManager()->LoadSync<Material>("Data/Materials/default.xml");
return ref->GetParticle(type);
}
vec3 Object::GetColorAtPoint( const vec3 &pos, int *tri ) {
return vec3(1.0f);
}
void Object::InfrequentUpdate() {
if( parent ) {
selectable_ = !parent->LockedChildren();
} else {
selectable_ = true;
}
if( selectable_ == false ) {
selected_ = false;
}
}
MaterialRef Object::GetMaterial( const vec3 &pos, int* tri ) {
//return (*Materials::Instance()->ReturnRef("Data/Materials/default.xml"));
return Engine::Instance()->GetAssetManager()->LoadSync<Material>("Data/Materials/default.xml");
}
const ScriptParamMap& Object::GetScriptParamMap() {
return sp.GetParameterMap();
}
void Object::SetScriptParams( const ScriptParamMap& spm ) {
sp.SetParameterMap(spm);
UpdateScriptParams();
}
OGPalette *Object::GetPalette() {
DisplayError("Error", "Getting palette of Object that doesn't have one.");
return NULL;
}
bool Object::ConnectTo(Object& other, bool checking_other/*= false*/) {
if(other.GetType() == _hotspot_object) {
connected_to.push_back(other.GetID());
other.ConnectedFrom(*this);
return true;
} else {
return false;
}
}
bool Object::Disconnect(Object& other, bool from_socket, bool checking_other/*= false*/) {
if(other.GetType() == _hotspot_object) {
std::vector<int>::iterator iter = std::remove(connected_to.begin(), connected_to.end(), other.GetID());
if(iter == connected_to.end())
return false;
other.DisconnectedFrom(*this);
connected_to.erase(iter, connected_to.end());
return true;
}
return false;
}
void Object::ConnectedFrom(Object& object) {
connected_from.push_back(object.GetID());
}
void Object::DisconnectedFrom(Object& object) {
connected_from.erase(std::remove(connected_from.begin(), connected_from.end(), object.GetID()), connected_from.end());
}
void Object::SaveToXML( TiXmlElement* parent ) {
// Don't save if object has "No Save" parameter with value 1
bool no_save = false;
const ScriptParamMap &script_param_map = sp.GetParameterMap();
const ScriptParamMap::const_iterator it = script_param_map.find("No Save");
if(it != script_param_map.end()){
const ScriptParam ¶m = it->second;
if(param.GetInt() == 1){
no_save = true;
}
}
if(!no_save) {
EntityDescription desc;
GetDesc(desc);
desc.SaveToXML(parent);
}
}
bool Object::SetFromDesc( const EntityDescription& desc ) {
for(unsigned i=0; i<desc.fields.size(); ++i){
const EntityDescriptionField& field = desc.fields[i];
switch(field.type){
case EDF_ID: {
int id;
field.ReadInt(&id);
SetID(id);
break;}
case EDF_NAME: {
std::string ename;
field.ReadString(&ename);
SetName(ename);
break;}
case EDF_TRANSLATION: {
vec3 translation;
memread(translation.entries, sizeof(float), 3, field.data);
loaded_translation_ = translation;
SetTranslation(translation);
break;}
case EDF_SCALE:{
vec3 scale;
memread(scale.entries, sizeof(float), 3, field.data);
loaded_scale_ = scale;
SetScale(scale);
break;}
case EDF_ROTATION:{
vec4 rotation;
memread(rotation.entries, sizeof(float), 4, field.data);
loaded_rotation_ = quaternion(rotation.entries[0], rotation.entries[1], rotation.entries[2], rotation.entries[3]);
SetRotation(loaded_rotation_);
break;}
case EDF_ROTATION_EULER:{
vec3 rotation;
memread(rotation.entries, sizeof(float), 3, field.data);
rotation_euler_ = rotation;
break;}
case EDF_SCRIPT_PARAMS:{
ScriptParamMap spm;
ReadScriptParametersFromRAM(spm, field.data);
SetScriptParams(spm);
break;}
case EDF_HOTSPOT_CONNECTED_TO: {
field.ReadIntVec(&unfinalized_connected_to);
break;}
case EDF_HOTSPOT_CONNECTED_FROM: {
field.ReadIntVec(&unfinalized_connected_from);
break;}
}
}
return true;
}
void Object::DrawImGuiEditor() {
}
bool IsDifferentEnough(const vec3 &a, const vec3 &b){
bool same = true;
for(int i=0; i<3; ++i){
if(fabs(a[i] - b[i]) > 0.0001){
same = false;
}
}
return !same;
}
bool IsDifferentEnough(const quaternion &a, const quaternion &b){
bool same = true;
for(int i=0; i<4; ++i){
if(fabs(a[i] - b[i]) > 0.0001){
same = false;
}
}
return !same;
}
void Object::GetDesc( EntityDescription &desc ) const {
desc.AddEntityType(EDF_ENTITY_TYPE, GetType());
desc.AddString(EDF_NAME, name);
// Use loaded transforms if they haven't changed much, avoids spamming
// level xml diffs with changes from slight rounding errors
if(IsDifferentEnough(loaded_translation_, GetTranslation())){
desc.AddVec3( EDF_TRANSLATION, GetTranslation());
} else {
desc.AddVec3( EDF_TRANSLATION, loaded_translation_ );
}
if(IsDifferentEnough(loaded_scale_, GetScale())){
desc.AddVec3( EDF_SCALE, GetScale());
} else {
desc.AddVec3( EDF_SCALE, loaded_scale_ );
}
if(IsDifferentEnough(loaded_rotation_, GetRotation())){
desc.AddQuaternion( EDF_ROTATION, GetRotation() );
} else {
desc.AddQuaternion( EDF_ROTATION, loaded_rotation_ );
}
if(!rotation_updated) {
desc.AddVec3( EDF_ROTATION_EULER, rotation_euler_ );
} else {
desc.AddVec3( EDF_ROTATION_EULER, QuaternionToEuler(GetRotation()) );
}
desc.AddInt( EDF_ID, GetID());
desc.AddScriptParams(EDF_SCRIPT_PARAMS, sp.GetParameterMap());
desc.AddIntVec( EDF_HOTSPOT_CONNECTED_TO, connected_to);
desc.AddIntVec( EDF_HOTSPOT_CONNECTED_FROM, connected_from);
}
void Object::ReceiveObjectMessage(OBJECT_MSG::Type type, ...) {
va_list args;
va_start(args, type);
ReceiveObjectMessageVAList(type, args);
va_end(args);
}
void Object::ReceiveObjectMessageVAList( OBJECT_MSG::Type type, va_list args ) {
switch(type){
case OBJECT_MSG::TOGGLE_IMPOSTER: ToggleImposter(); break;
case OBJECT_MSG::RESET: Reset(); break;
case OBJECT_MSG::RELOAD: Reload(); break;
case OBJECT_MSG::FINALIZE_LOADED_CONNECTIONS: FinalizeLoadedConnections(); break;
case OBJECT_MSG::DRAW: Draw(); break;
case OBJECT_MSG::UPDATE:
Update((float)va_arg(args,double));
walltime_last_update = game_timer.GetWallTime();
break;
case OBJECT_MSG::INFREQUENT_UPDATE: InfrequentUpdate(); break;
default:
break;
}
}
void Object::ReceiveScriptMessage( const std::string &msg ) {
receive_depth++;
if(receive_depth > 8 ) {
LOGW << "Deep stack on receive scripts... message: \"" << msg << "\" count: " << receive_depth << std::endl;
}
if(receive_depth > 32) {
LOGE << "I've gotten recursed 32 times now, assuming we're in a loop, queueing this message instead \"" << msg << "\"" << std::endl;
ReceiveObjectMessage(OBJECT_MSG::QUEUE_SCRIPT, &msg);
} else {
ReceiveObjectMessage(OBJECT_MSG::SCRIPT, &msg);
}
receive_depth--;
}
void Object::QueueScriptMessage( const std::string &msg ) {
ReceiveObjectMessage(OBJECT_MSG::QUEUE_SCRIPT, &msg);
}
void Object::SetParent(Object* new_parent) {
if(parent && parent != new_parent){
parent->ChildLost(this);
}
parent = new_parent;
UpdateParentHierarchy();
}
bool Object::HasParent() {
return parent != NULL;
}
void Object::NotifyDeleted(Object* o) {
if(parent == o){
SetParent(NULL);
}
connected_to.erase(std::remove(connected_to.begin(), connected_to.end(), o->GetID()), connected_to.end());
}
void Object::Moved(Object::MoveType type) {
if(parent){
parent->ChildMoved(type);
}
online_transform_dirty = true;
}
void Object::FinalizeLoadedConnections() {
for(size_t i = 0; i < unfinalized_connected_to.size(); ++i) {
Object* object = scenegraph_->GetObjectFromID(unfinalized_connected_to[i]);
if(object) {
if(!ConnectTo(*object, false)) {
LOGW << "Failed to connect to the object with id " << unfinalized_connected_to[i] << " after loading" << std::endl;
}
} else {
LOGW << "Connected to an invalid id " << unfinalized_connected_to[i] << " after loading" << std::endl;
}
}
for(size_t i = 0; i < unfinalized_connected_from.size(); ++i) {
Object* object = scenegraph_->GetObjectFromID(unfinalized_connected_from[i]);
if(object) {
if(!object->ConnectTo(*this, false)) {
LOGW << "Failed to connect to the object with id " << unfinalized_connected_from[i] << " after loading" << std::endl;
}
} else {
LOGW << "Connected to an invalid id " << unfinalized_connected_from[i] << " after loading" << std::endl;
}
}
unfinalized_connected_to.resize(0);
unfinalized_connected_from.resize(0);
}
Object::~Object() {
if(scenegraph_ && update_list_entry != -1){
scenegraph_->UnlinkUpdateObject(this, update_list_entry);
update_list_entry = -1;
}
SDL_assert(update_list_entry == -1);
}
void Object::UpdateTransform() {
LOG_ASSERT(!IsNan(rotation_[0]));
rotation_mat_ = Mat4FromQuaternion(rotation_);
mat4 translation_mat;
translation_mat.SetTranslation(translation_);
mat4 scale_mat;
scale_mat.SetScale(scale_);
transform_ = translation_mat * rotation_mat_ * scale_mat;
}
void Object::SetTranslation(const vec3& trans) {
if(translation_ != trans){
translation_ = trans;
UpdateTransform();
Moved(Object::kTranslate);
}
}
void Object::SetScale(const vec3& trans) {
if(scale_ != trans){
scale_ = trans;
UpdateTransform();
Moved(Object::kScale);
}
}
void Object::SetRotation(const quaternion& trans) {
if(IsDifferentEnough(rotation_, trans)){
rotation_ = trans;
LOG_ASSERT(!IsNan(rotation_[0]));
UpdateTransform();
Moved(Object::kRotate);
rotation_updated = true;
}
}
void Object::SetTranslationRotationFast(const vec3& trans, const quaternion& rotation) {
bool changed_something = false;
if(translation_ != trans){
translation_ = trans;
changed_something = true;
}
if(IsDifferentEnough(rotation_, rotation)){
rotation_ = rotation;
LOG_ASSERT(!IsNan(rotation_[0]));
rotation_updated = true;
changed_something = true;
}
if(changed_something){
UpdateTransform();
}
}
void Object::SetTransformationMatrix(const mat4& transform) {
if(transform_ != transform){
translation_ = transform.GetTranslationPart();
rotation_ = QuaternionFromMat4(transform);
LOG_ASSERT(!IsNan(rotation_[0]));
scale_[0] = length(transform * vec4(1,0,0,0));
scale_[1] = length(transform * vec4(0,1,0,0));
scale_[2] = length(transform * vec4(0,0,1,0));
UpdateTransform();
Moved(Object::kAll);
}
}
void Object::GetDisplayName(char* buf, int buf_size) {
if( GetName().empty() ) {
FormatString(buf, buf_size, "%d, Object from %s", GetID(), CStringFromEntityType(GetType()));
} else {
FormatString(buf, buf_size, "%s, Object from %s", GetName().c_str(), CStringFromEntityType(GetType()));
}
}
int Object::GetGroupDepth() {
if( parent == NULL ) {
return 1;
} else {
return parent->GetGroupDepth()+1;
}
}
Prefab* Object::GetPrefabParent() {
if( parent != NULL ) {
if( parent->GetType() == _prefab ) {
return static_cast<Prefab*>(parent);
} else {
return parent->GetPrefabParent();
}
}
return NULL;
}
bool Object::IsInPrefab() {
return GetPrefabParent() != NULL;
}
void Object::Select(bool val) {
static unsigned int selection_counter_ = 1;
if( val && selectable_ ) {
selected_ = selection_counter_++;
} else {
selected_ = false;
}
}
ObjectSanityState Object::GetSanity() {
return ObjectSanityState(GetType(),id,0);
}
unsigned int Object::Selected() {
return selected_;
}
void Object::SetRotationEuler(const vec3& trans) {
rotation_euler_ = trans;
SetRotation(EulerToQuaternion(rotation_euler_));
rotation_updated = false;
}
vec3 Object::GetRotationEuler() {
if(rotation_updated) {
rotation_euler_ = QuaternionToEuler(rotation_);
rotation_updated = false;
}
return rotation_euler_;
}
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