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CnC_Renegade/Code/Tools/LevelEdit/EditorSaveLoad.cpp

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/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : LevelEdit *
* *
* $Archive:: /Commando/Code/Tools/LevelEdit/EditorSaveLoad.cpp $*
* *
* Author:: Patrick Smith *
* *
* $Modtime:: 3/05/02 3:30p $*
* *
* $Revision:: 37 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "stdafx.h"
#include "leveleditdoc.h"
#include "editorsaveload.h"
#include "persist.h"
#include "persistfactory.h"
#include "preset.h"
#include "utils.h"
#include "definition.h"
#include "editorchunkids.h"
#include "physstaticsavesystem.h"
#include "chunkio.h"
#include "cameramgr.h"
#include "filemgr.h"
#include "matrix3d.h"
#include "rawfile.h"
#include "nodemgr.h"
#include "sceneeditor.h"
#include "node.h"
#include "lightambientform.h"
#include "soundscene.h"
#include "backgroundmgr.h"
#include "conversationmgr.h"
#include "weathermgr.h"
#include "combat.h"
#include "mapmgr.h"
#include "pathfind.h"
#include "lightsolvesavesystem.h"
#include "heightfieldmgr.h"
///////////////////////////////////////////////////////////////////////
// Global singleton instance
///////////////////////////////////////////////////////////////////////
EditorSaveLoadClass _TheEditorSaveLoadSubsystem;
PathfindImportExportSaveLoadClass _ThePathfindImporterExporter;
///////////////////////////////////////////////////////////////////////
// Static member initialization
///////////////////////////////////////////////////////////////////////
bool EditorSaveLoadClass::m_LoadedValidVis = true;
///////////////////////////////////////////////////////////////////////
// Constants
///////////////////////////////////////////////////////////////////////
enum
{
CHUNKID_MICRO_CHUNKS = 0x10140738,
CHUNKID_OBSOLETE,
CHUNKID_PATHFIND_DATA
};
enum
{
VARID_INCLUDE_FILE = 0x01,
VARID_CAMERA_TM,
VARID_OBSOLETE_0,
VARID_BACK_MUSIC,
VARID_AMBIENT_LIGHT,
VARID_OBSOLETE_1,
VARID_OBSOLETE_2,
VARID_FAR_CLIP_PLANE_DOUBLE,
VARID_FOG_COLOR,
VARID_FOG_PLANES,
VARID_FOG_ENABLED,
VARID_FAR_CLIP_PLANE,
VARID_RESTART_SCRIPT_NAME,
VARID_RESPAWN_SCRIPT_NAME,
};
enum
{
CHUNKID_LVL_DATA = 304021447,
CHUNKID_LIGHT_SOLVE,
};
///////////////////////////////////////////////////////////////////////
//
// Chunk_ID
//
///////////////////////////////////////////////////////////////////////
uint32
EditorSaveLoadClass::Chunk_ID (void) const
{
return CHUNKID_EDITOR_SAVELOAD;
}
///////////////////////////////////////////////////////////////////////
//
// Contains_Data
//
///////////////////////////////////////////////////////////////////////
bool
EditorSaveLoadClass::Contains_Data (void) const
{
return true;
}
///////////////////////////////////////////////////////////////////////
//
// Save
//
///////////////////////////////////////////////////////////////////////
bool
EditorSaveLoadClass::Save (ChunkSaveClass &csave)
{
bool retval = true;
int index;
csave.Begin_Chunk (CHUNKID_MICRO_CHUNKS);
//
// Write the camera transform to the chunk
//
Matrix3D camera_tm = ::Get_Camera_Mgr ()->Get_Camera ()->Get_Transform ();
WRITE_MICRO_CHUNK (csave, VARID_CAMERA_TM, camera_tm);
//
// Write the miscellaneous level settings to the chunk
//
Vector3 ambient_light = ::Get_Scene_Editor ()->Get_Ambient_Light ();
WRITE_MICRO_CHUNK (csave, VARID_AMBIENT_LIGHT, ambient_light);
//
// Save the fog settings
//
bool fog_enabled = false;
struct
{
float z_near;
float z_far;
} fog_planes = { 50.0F, 100.0F };
Vector3 fog_color (0, 0, 0);
::Get_Scene_Editor ()->Get_Fog_Range (&fog_planes.z_near, &fog_planes.z_far);
fog_color = ::Get_Scene_Editor ()->Get_Fog_Color ();
fog_enabled = ::Get_Scene_Editor ()->Get_Fog_Enable ();
WRITE_MICRO_CHUNK (csave, VARID_FOG_ENABLED, fog_enabled);
WRITE_MICRO_CHUNK (csave, VARID_FOG_COLOR, fog_color);
WRITE_MICRO_CHUNK (csave, VARID_FOG_PLANES, fog_planes);
//
// Save the restart and respawn script names
//
StringClass restart_script_name = CombatManager::Get_Start_Script ();
StringClass respawn_script_name = CombatManager::Get_Respawn_Script ();
WRITE_MICRO_CHUNK_WWSTRING (csave, VARID_RESTART_SCRIPT_NAME, restart_script_name);
WRITE_MICRO_CHUNK_WWSTRING (csave, VARID_RESPAWN_SCRIPT_NAME, respawn_script_name);
//
// Save the far clip plane...
//
float znear = 0;
float zfar = 0;
::Get_Camera_Mgr ()->Get_Camera ()->Get_Clip_Planes (znear, zfar);
WRITE_MICRO_CHUNK (csave, VARID_FAR_CLIP_PLANE, zfar);
//
// Write the background music filename out to the chunk
//
CString filename = ::Get_Scene_Editor ()->Get_Background_Music_Filename ();
CString path = ::Get_File_Mgr ()->Make_Relative_Path (filename);
WRITE_MICRO_CHUNK_STRING (csave, VARID_BACK_MUSIC, (LPCTSTR)path);
//
// Write the list of include files for the level to the chunk.
//
STRING_LIST &include_list = ::Get_File_Mgr ()->Get_Include_File_List ();
for (index = 0; index < include_list.Count (); index ++) {
StringClass filename = (LPCTSTR)include_list[index];
WRITE_MICRO_CHUNK_WWSTRING (csave, VARID_INCLUDE_FILE, filename);
}
csave.End_Chunk ();
return retval;
}
///////////////////////////////////////////////////////////////////////
//
// Load
//
///////////////////////////////////////////////////////////////////////
bool
EditorSaveLoadClass::Load (ChunkLoadClass &cload)
{
bool retval = true;
while (cload.Open_Chunk ()) {
switch (cload.Cur_Chunk_ID ()) {
//
// Load all the presets from this chunk
//
case CHUNKID_MICRO_CHUNKS:
retval &= Load_Micro_Chunks (cload);
break;
}
cload.Close_Chunk ();
}
SaveLoadSystemClass::Register_Post_Load_Callback (this);
return retval;
}
///////////////////////////////////////////////////////////////////////
//
// Load_Micro_Chunks
//
///////////////////////////////////////////////////////////////////////
bool
EditorSaveLoadClass::Load_Micro_Chunks (ChunkLoadClass &cload)
{
bool retval = true;
Vector3 fog_color (0, 0, 0);
bool fog_enabled = false;
StringClass restart_script_name;
StringClass respawn_script_name;
while (cload.Open_Micro_Chunk ()) {
switch (cload.Cur_Micro_Chunk_ID ()) {
//
// Read the camera's transformation matrix from the chunk
// and pass it onto the camera.
//
case VARID_CAMERA_TM:
{
Matrix3D camera_tm;
cload.Read(&camera_tm,sizeof (camera_tm));
::Get_Camera_Mgr ()->Get_Camera ()->Set_Transform (camera_tm);
}
break;
//
// Read the include file from the chunk and add it to the list
// of level include files.
//
case VARID_INCLUDE_FILE:
{
StringClass filename;
cload.Read(filename.Get_Buffer(cload.Cur_Micro_Chunk_Length()),cload.Cur_Micro_Chunk_Length());
::Get_File_Mgr ()->Get_Include_File_List ().Add ((LPCTSTR)filename);
}
break;
case VARID_FAR_CLIP_PLANE_DOUBLE:
{
float znear = 0;
float zfar = 0;
::Get_Camera_Mgr ()->Get_Camera ()->Get_Clip_Planes (znear, zfar);
double double_zfar = 0;
cload.Read (&double_zfar, sizeof (double_zfar));
zfar = double_zfar;
::Get_Camera_Mgr ()->Get_Camera ()->Set_Clip_Planes (znear, zfar);
}
break;
case VARID_FAR_CLIP_PLANE:
{
float znear = 0;
float zfar = 0;
::Get_Camera_Mgr ()->Get_Camera ()->Get_Clip_Planes (znear, zfar);
cload.Read (&zfar, sizeof (zfar));
::Get_Camera_Mgr ()->Get_Camera ()->Set_Clip_Planes (znear, zfar);
}
break;
case VARID_AMBIENT_LIGHT:
{
Vector3 ambient_light;
cload.Read (&ambient_light, sizeof (ambient_light));
::Get_Scene_Editor ()->Set_Ambient_Light (ambient_light);
::Get_Scene_Editor ()->Update_Lighting ();
LightAmbientFormClass *light_form = Get_Ambient_Light_Form ();
light_form->Update_Settings ();
}
break;
READ_MICRO_CHUNK (cload, VARID_FOG_ENABLED, fog_enabled);
READ_MICRO_CHUNK (cload, VARID_FOG_COLOR, fog_color);
READ_MICRO_CHUNK_WWSTRING (cload, VARID_RESTART_SCRIPT_NAME, restart_script_name);
READ_MICRO_CHUNK_WWSTRING (cload, VARID_RESPAWN_SCRIPT_NAME, respawn_script_name);
case VARID_FOG_PLANES:
{
struct
{
float z_near;
float z_far;
} fog_planes = { 50.0F, 100.0F };
cload.Read (&fog_planes, sizeof (fog_planes));
::Get_Scene_Editor ()->Set_Fog_Range (fog_planes.z_near, fog_planes.z_far);
}
break;
case VARID_BACK_MUSIC:
{
StringClass filename;
cload.Read(filename.Get_Buffer(cload.Cur_Micro_Chunk_Length()),cload.Cur_Micro_Chunk_Length());
::Get_Scene_Editor ()->Set_Background_Music (filename);
}
break;
}
cload.Close_Micro_Chunk ();
}
//
// Apply the script settings
//
CombatManager::Set_Start_Script (restart_script_name);
CombatManager::Set_Respawn_Script (respawn_script_name);
//
// Apply the fog settings
//
::Get_Scene_Editor ()->Set_Fog_Color (fog_color);
::Get_Scene_Editor ()->Set_Fog_Enable (fog_enabled);
return retval;
}
///////////////////////////////////////////////////////////////////////
//
// Save_Level
//
///////////////////////////////////////////////////////////////////////
void
EditorSaveLoadClass::Save_Level (LPCTSTR filename)
{
//
// Create the file
//
HANDLE hfile = ::CreateFile (filename,
GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
0L,
NULL);
ASSERT (hfile != INVALID_HANDLE_VALUE);
if (hfile != INVALID_HANDLE_VALUE) {
RawFileClass file_obj;
file_obj.Attach (hfile);
ChunkSaveClass chunk_save (&file_obj);
//
// (gth) March 4, 2002 - modifying this function to embed two "save files" into this
// file. The first chunk will contain an entire save for the normal level data. The second
// chunk will contain the lighting save
//
chunk_save.Begin_Chunk(CHUNKID_LVL_DATA);
Save_Level_Data(chunk_save);
chunk_save.End_Chunk();
chunk_save.Begin_Chunk(CHUNKID_LIGHT_SOLVE);
Save_Light_Solve(chunk_save);
chunk_save.End_Chunk();
//
// Remember that we are now up-to-date
//
Set_Modified (false);
}
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Save_Level_Data - saves the level data for an LVL file
//
///////////////////////////////////////////////////////////////////////
void
EditorSaveLoadClass::Save_Level_Data(ChunkSaveClass & chunk_save)
{
//
// Repartition the static culling systems
// (gth) can't re-partition the object culling systems or
// we'll lose hierarchical vis
//
::Get_Scene_Editor ()->Re_Partition_Static_Lights ();
::Get_Scene_Editor ()->Re_Partition_Audio_System ();
//
// Basically just save the list of nodes and some other
// miscellaneous information (camera, sky, etc).
//
SaveLoadSystemClass::Save (chunk_save, _PhysStaticDataSaveSystem);
SaveLoadSystemClass::Save (chunk_save, _TheNodeMgr);
SaveLoadSystemClass::Save (chunk_save, _TheEditorSaveLoadSubsystem);
SaveLoadSystemClass::Save (chunk_save, _TheBackgroundMgr);
SaveLoadSystemClass::Save (chunk_save, _TheWeatherMgr);
SaveLoadSystemClass::Save (chunk_save, _TheMapMgrSaveLoadSubsystem);
SaveLoadSystemClass::Save (chunk_save, _TheHeightfieldMgrSaveLoadSubsystem);
//
// Save the level-specific conversations
//
_ConversationMgrSaveLoad.Set_Category_To_Save (ConversationMgrClass::CATEGORY_LEVEL);
SaveLoadSystemClass::Save (chunk_save, _ConversationMgrSaveLoad);
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Save_Light_Solve - saves the light-solve data for an LVL file
//
///////////////////////////////////////////////////////////////////////
void EditorSaveLoadClass::Save_Light_Solve(ChunkSaveClass & chunk_save)
{
SaveLoadSystemClass::Save( chunk_save, _TheLightSolveSaveSystem);
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Load_Level
//
///////////////////////////////////////////////////////////////////////
void
EditorSaveLoadClass::Load_Level (LPCTSTR filename)
{
//
// Create the file
//
HANDLE hfile = ::CreateFile (filename,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0L,
NULL);
ASSERT (hfile != INVALID_HANDLE_VALUE);
if (hfile != INVALID_HANDLE_VALUE) {
RawFileClass file_obj;
file_obj.Attach (hfile);
ChunkLoadClass chunk_load (&file_obj);
SoundSceneClass *sound_scene = WWAudioClass::Get_Instance ()->Get_Sound_Scene ();
if (sound_scene != NULL) {
sound_scene->Set_Batch_Mode (true);
}
//
// Get the save-load subsystem to load
//
m_LoadedValidVis = true;
NodeMgrClass::Free_Nodes ();
//
// (gth) March 4, 2002 - LVL files are now two independent save-load operations,
// one for the normal level data and one for the light solve data. Here, we
// detect whether we are loading a file that was created before this change.
//
uint32 id,size;
if (chunk_load.Peek_Next_Chunk(&id,&size) && (id == CHUNKID_LVL_DATA)) {
// Current file format, multiple saves embedded into this file
while (chunk_load.Open_Chunk()) {
switch (chunk_load.Cur_Chunk_ID()) {
case CHUNKID_LVL_DATA:
case CHUNKID_LIGHT_SOLVE:
SaveLoadSystemClass::Load (chunk_load);
break;
default:
break;
}
chunk_load.Close_Chunk();
}
} else {
// Legacy file format support
SaveLoadSystemClass::Load (chunk_load);
}
//
// Repartition the static culling systems
// (gth) can't re-partition the object culling systems or
// we'll lose hierarchical vis
//
::Get_Scene_Editor ()->Re_Partition_Static_Lights ();
::Get_Scene_Editor ()->Re_Partition_Audio_System ();
//
// Now create any embedded nodes (nodes that are embedded inside
// the preset of any nodes that are currently in the level).
//
NodeMgrClass::Create_All_Embedded_Nodes ();
//
// Validate VIS information if necessary
//
if (m_LoadedValidVis) {
::Get_Scene_Editor ()->Validate_Vis ();
::Get_Scene_Editor ()->Update_Culling_System_Bounding_Boxes ();
} else {
::MessageBox (NULL, "Static geometry has changed since the last time this level was loaded. All previously generated VIS data has been discarded.", "Vis Discarded", MB_ICONEXCLAMATION | MB_OK);
::Get_Scene_Editor ()->Discard_Vis ();
}
if (sound_scene != NULL) {
sound_scene->Set_Batch_Mode (false);
}
//
// Remember that we are now up-to-date
//
Set_Modified (false);
}
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Export_Dynamic_Objects
//
///////////////////////////////////////////////////////////////////////
void
EditorSaveLoadClass::Export_Dynamic_Objects (LPCTSTR filename)
{
//
// Create the file
//
HANDLE hfile = ::CreateFile (filename,
GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
0L,
NULL);
ASSERT (hfile != INVALID_HANDLE_VALUE);
if (hfile != INVALID_HANDLE_VALUE) {
RawFileClass file_obj;
file_obj.Attach (hfile);
ChunkSaveClass chunk_save (&file_obj);
//
// Remove the static objects from the level, save the nodes,
// then put the static objects back
//
NODE_LIST static_obj_list;
NodeMgrClass::Remove_Static_Objects (static_obj_list);
SaveLoadSystemClass::Save (chunk_save, _TheNodeMgr);
NodeMgrClass::Put_Objects_Back (static_obj_list);
}
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Import_Dynamic_Objects
//
///////////////////////////////////////////////////////////////////////
void
EditorSaveLoadClass::Import_Dynamic_Objects (LPCTSTR filename)
{
//
// Create the file
//
HANDLE hfile = ::CreateFile (filename,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0L,
NULL);
ASSERT (hfile != INVALID_HANDLE_VALUE);
if (hfile != INVALID_HANDLE_VALUE) {
RawFileClass file_obj;
file_obj.Attach (hfile);
ChunkLoadClass chunk_load (&file_obj);
//
// Find the largest used ID
//
uint32 start_id = (NodeMgrClass::Get_Max_Used_ID () + 1);
//
// Remove the dynamic objects from the level and load the new objects.
//
NODE_LIST dynamic_obj_list;
NodeMgrClass::Remove_Dynamic_Objects (dynamic_obj_list);
SaveLoadSystemClass::Load (chunk_load);
::Output_Message ("Resetting existing static node IDs.\r\n");
//
// Re-assign IDs to the existing static nodes
//
for ( NodeClass *node = NodeMgrClass::Get_First ();
node != NULL;
node = NodeMgrClass::Get_Next (node))
{
if (node->Is_Static ()) {
node->Set_ID (start_id++);
}
}
//
// Check all the dynamic objects for ID collision
//
CString id_collision_msg = "The following dynamic object IDs collided on import:\n\n";
bool show_msg = false;
DynamicVectorClass<NodeClass *> bad_node_list;
for (int index = 0; index < dynamic_obj_list.Count (); index ++) {
NodeClass *node = dynamic_obj_list[index];
if (NodeMgrClass::Find_Node (node->Get_ID ()) != NULL) {
CString entry;
entry.Format ("Object %d\n", node->Get_ID ());
id_collision_msg += entry;
bad_node_list.Add (node);
show_msg = true;
}
}
//
// Put the original objects back
//
NodeMgrClass::Put_Objects_Back (dynamic_obj_list);
NodeMgrClass::Reset_New_ID ();
//
// Let the user know we had ID collision (if necessary)
//
if (show_msg) {
::MessageBox (NULL, id_collision_msg, "ID Collision", MB_ICONERROR | MB_OK);
//
// Ask the user if we should fix the collisions or not
//
if (::MessageBox (NULL, "Would you like to repair the newly imported objects with ambiguous IDs?", "ID Collision", MB_ICONQUESTION | MB_YESNO) == IDYES) {
//
// Repair all collisions
//
for (int index = 0; index < bad_node_list.Count (); index ++) {
NodeClass *node = bad_node_list[index];
if (node != NULL) {
node->Set_ID (NodeMgrClass::Get_Node_ID (node->Get_Type ()));
}
}
}
}
}
return ;
}
///////////////////////////////////////////////////////////////////////
//
// On_Post_Load
//
///////////////////////////////////////////////////////////////////////
void
EditorSaveLoadClass::On_Post_Load (void)
{
}
///////////////////////////////////////////////////////////////////////
//
// Export_Pathfind
//
///////////////////////////////////////////////////////////////////////
void
PathfindImportExportSaveLoadClass::Export_Pathfind (LPCTSTR filename)
{
//
// Create the file
//
HANDLE hfile = ::CreateFile (filename,
GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
0L,
NULL);
ASSERT (hfile != INVALID_HANDLE_VALUE);
if (hfile != INVALID_HANDLE_VALUE) {
RawFileClass file_obj;
file_obj.Attach (hfile);
ChunkSaveClass chunk_save (&file_obj);
//
//
// Basically just save the list of nodes and some other
// miscellaneous information (camera, sky, etc).
//
SaveLoadSystemClass::Save (chunk_save, _ThePathfindImporterExporter);
}
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Import_Pathfind
//
///////////////////////////////////////////////////////////////////////
void
PathfindImportExportSaveLoadClass::Import_Pathfind (LPCTSTR filename)
{
//
// Create the file
//
HANDLE hfile = ::CreateFile (filename,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0L,
NULL);
ASSERT (hfile != INVALID_HANDLE_VALUE);
if (hfile != INVALID_HANDLE_VALUE) {
RawFileClass file_obj;
file_obj.Attach (hfile);
ChunkLoadClass chunk_load (&file_obj);
//
// Get the save-load subsystem to load
//
SaveLoadSystemClass::Load (chunk_load);
}
return ;
}
///////////////////////////////////////////////////////////////////////
//
// Save
//
///////////////////////////////////////////////////////////////////////
bool
PathfindImportExportSaveLoadClass::Save (ChunkSaveClass &csave)
{
//
// Save the pathfind data
//
csave.Begin_Chunk (CHUNKID_PATHFIND_DATA);
PathfindClass::Get_Instance()->Save (csave);
csave.End_Chunk ();
return true;
}
///////////////////////////////////////////////////////////////////////
//
// Load
//
///////////////////////////////////////////////////////////////////////
bool
PathfindImportExportSaveLoadClass::Load (ChunkLoadClass &cload)
{
while (cload.Open_Chunk ()) {
switch (cload.Cur_Chunk_ID ()) {
//
// Import the pathfind data...
//
case CHUNKID_PATHFIND_DATA:
PathfindClass::Get_Instance()->Load (cload);
break;
}
cload.Close_Chunk ();
}
return true;
}
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