/*****************************************************************************
* Copyright (c) 2014 Ted John
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of OpenRCT2.
*
* OpenRCT2 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 .
*****************************************************************************/
#include
#include "addresses.h"
#include "localisation/localisation.h"
#include "object.h"
#include "platform/osinterface.h"
#include "ride/track.h"
#include "util/sawyercoding.h"
#define OBJECT_ENTRY_GROUP_COUNT 11
#define OBJECT_ENTRY_COUNT 721
typedef struct {
uint32 total_files;
uint32 total_file_size;
uint32 date_modified_checksum;
uint32 object_list_size;
uint32 object_list_no_items;
} rct_plugin_header;
// 98DA00
int object_entry_group_counts[] = {
128, // rides
252, // small scenery
128, // large scenery
128, // walls
32, // banners
16, // paths
15, // path bits
19, // scenery sets
1, // park entrance
1, // water
1 // scenario text
};
// 98DA2C
int object_entry_group_encoding[] = {
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_RLE,
CHUNK_ENCODING_ROTATE
};
struct { void **data; rct_object_entry_extended *entries; } object_entry_groups[] = {
(void**)(0x009ACFA4 ), (rct_object_entry_extended*)(0x00F3F03C ), // rides
(void**)(0x009ACFA4 + (128 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (128 * 20)), // small scenery
(void**)(0x009ACFA4 + (380 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (380 * 20)), // large scenery
(void**)(0x009ACFA4 + (508 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (508 * 20)), // walls
(void**)(0x009ACFA4 + (636 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (636 * 20)), // banners
(void**)(0x009ACFA4 + (668 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (668 * 20)), // paths
(void**)(0x009ACFA4 + (684 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (684 * 20)), // path bits
(void**)(0x009ACFA4 + (699 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (699 * 20)), // scenery sets
(void**)(0x009ACFA4 + (718 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (718 * 20)), // park entrance
(void**)(0x009ACFA4 + (719 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (719 * 20)), // water
(void**)(0x009ACFA4 + (720 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (720 * 20)) // scenario text
};
static void get_plugin_path(char *path)
{
char *homePath = osinterface_get_orct2_homefolder();
sprintf(path, "%s%c%s", homePath, osinterface_get_path_separator(), "plugin.dat");
free(homePath);
}
/**
*
* rct2: 0x006A93CD
*/
static void object_list_examine()
{
int i;
rct_object_entry *object;
object = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, rct_object_entry*);
for (i = 0; i < RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, sint32); i++) {
if (object->flags & 0xF0)
RCT2_GLOBAL(0x00F42BDA, uint8) |= 1;
object = object_get_next(object);
}
}
/* rct2:0x006DED68 */
void reset_9E32F8(){
uint8* edi = RCT2_ADDRESS(0x009E32F8, uint8);
memset(edi, 0xFF, 90);
}
void sub_6A9FC0(){
reset_9E32F8();
RCT2_GLOBAL(0x009ADAF0, uint32) = 0xF26E;
for (int type = 0; type < 11; ++type){
for (int j = 0; j < object_entry_group_counts[type]; j++){
rct_object_entry* entry = (rct_object_entry*)object_entry_groups[type].data[j];
if (entry != (rct_object_entry*)0xFFFFFFFF)
object_paint(type, 0, 0, 0, 0, (int)entry, 0, 0);
}
}
}
int object_copy(uint8* destination_object, uint8* installed_object){
uint8* original_dest = destination_object;
memcpy(destination_object, installed_object, sizeof(rct_object_entry));
destination_object += sizeof(rct_object_entry);
installed_object += sizeof(rct_object_entry);
do{
*destination_object++ = *installed_object++;
} while (*(destination_object - 1));
*((sint32*)destination_object) = *((sint32*)installed_object);
destination_object += 4;
installed_object += 4;
do{
*destination_object++ = *installed_object++;
} while (*(destination_object - 1));
*((sint32*)destination_object) = *((sint32*)installed_object);
destination_object += 4;
installed_object += 4;
uint8 no_obj_unk = *installed_object++;
*destination_object++ = no_obj_unk;
memcpy(destination_object, installed_object, no_obj_unk*sizeof(rct_object_entry));
destination_object += no_obj_unk*sizeof(rct_object_entry);
installed_object += no_obj_unk*sizeof(rct_object_entry);
uint8 no_obj_theme = *installed_object++;
*destination_object++ = no_obj_theme;
memcpy(destination_object, installed_object, no_obj_theme*sizeof(rct_object_entry));
destination_object += no_obj_theme*sizeof(rct_object_entry);
installed_object += no_obj_theme*sizeof(rct_object_entry);
*((sint32*)destination_object) = *((sint32*)installed_object);
destination_object += 4;
installed_object += 4;
return destination_object - original_dest;
}
/**
*
* rct2: 0x006A8B40
*/
void object_list_load()
{
HANDLE hFindFile;
WIN32_FIND_DATAA findFileData;
int totalFiles = 0, totalFileSize = 0, fileDateModifiedChecksum = 0;
char pluginPath[MAX_PATH];
get_plugin_path(pluginPath);
// Enumerate through each object in the directory
hFindFile = FindFirstFile(RCT2_ADDRESS(RCT2_ADDRESS_OBJECT_DATA_PATH, char), &findFileData);
if (hFindFile != INVALID_HANDLE_VALUE) {
do {
totalFiles++;
totalFileSize += findFileData.nFileSizeLow;
fileDateModifiedChecksum ^=
findFileData.ftLastWriteTime.dwLowDateTime ^
findFileData.ftLastWriteTime.dwHighDateTime;
fileDateModifiedChecksum = ror32(fileDateModifiedChecksum, 5);
} while (FindNextFile(hFindFile, &findFileData));
FindClose(hFindFile);
}
totalFiles = ror32(totalFiles, 24);
totalFiles = (totalFiles & ~0xFF) | 1;
totalFiles = rol32(totalFiles, 24);
// Read plugin header
rct_plugin_header pluginHeader;
FILE *file = fopen(pluginPath, "rb");
if (file != NULL) {
if (fread(&pluginHeader, sizeof(pluginHeader), 1, file) == 1) {
// Check if object repository has changed in anyway
if (
totalFiles == pluginHeader.total_files &&
totalFileSize == pluginHeader.total_file_size &&
fileDateModifiedChecksum == pluginHeader.date_modified_checksum
) {
// Dispose installed object list
if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) != -1) {
rct2_free(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*));
RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) = -1;
}
// Read installed object list
RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*) = rct2_malloc(pluginHeader.object_list_size);
if (fread(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*), pluginHeader.object_list_size, 1, file) == 1) {
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32) = pluginHeader.object_list_no_items;
fclose(file);
sub_6A9FC0();
object_list_examine();
return;
}
}
}
fclose(file);
}
// Reload object list
RCT2_GLOBAL(0x00F42B94, uint32) = totalFiles;
RCT2_GLOBAL(0x00F42B98, uint32) = totalFileSize;
RCT2_GLOBAL(0x00F42B9C, uint32) = fileDateModifiedChecksum;
//RCT2_CALLPROC_EBPSAFE(0x006A8D8F);
int eax = 3161;
if (RCT2_GLOBAL(0x9AA00D, uint8) != 0){
eax = 3160;
RCT2_GLOBAL(0x9AA00D, uint8) = 0;
}
// File count removed and replaced by variable
// RCT2_GLOBAL(0xF42BA8, uint32) = 0;
uint32 file_count = 0;
// Progress bar related.
RCT2_GLOBAL(0xF42BD8, uint8) = 0;
sub_6A9FC0();
// Dispose installed object list
if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) != -1) {
rct2_free(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*));
RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) = -1;
}
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*) = rct2_malloc(4096);
if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, int) == -1){
RCT2_CALLPROC_X(0x006E3838, 0x343, 0xC5A, 0, 0, 0, 0, 0);
return;
}
uint32 installed_buffer_size = 0x1000;
uint32 current_item_offset = 0;
hFindFile = FindFirstFile(RCT2_ADDRESS(RCT2_ADDRESS_OBJECT_DATA_PATH, char), &findFileData);
if (hFindFile == INVALID_HANDLE_VALUE){
//6a92ea This hasn't been implemented but there isn't much point.
// It would make a empty object file if no files found.
return;
}
for (uint8 first_time = 1; first_time || FindNextFile(hFindFile, &findFileData);){
first_time = 0;
RCT2_GLOBAL(0x9ABD98, HANDLE) = hFindFile;
file_count++;
// update progress bar.
eax = (file_count << 8) / ((RCT2_GLOBAL(0xF42B94, uint32) & 0xFFFFFF) + 1);
if ((eax & 0xFF) != RCT2_GLOBAL(0xF42BD8, uint8)){
RCT2_GLOBAL(0xF42BD8, uint8) = eax & 0xFF;
// update progress bar
}
if ((installed_buffer_size - current_item_offset) <= 2842){
installed_buffer_size += 0x1000;
RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*) = rct2_realloc(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*), installed_buffer_size);
if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, int) == -1){
RCT2_CALLPROC_X(0x006E3838, 0x343, 0xC5A, 0, 0, 0, 0, 0);
return;
}
}
char path[260];
subsitute_path(path, RCT2_ADDRESS(RCT2_ADDRESS_OBJECT_DATA_PATH, char), findFileData.cFileName);
FILE *obj_file = fopen(path, "rb");
if (obj_file == NULL){
continue;
}
rct_object_entry* entry = RCT2_ADDRESS(0xF42B74, rct_object_entry);
if (fread(entry, sizeof(rct_object_entry), 1, obj_file) != 1){
fclose(obj_file);
continue;
}
fclose(obj_file);
RCT2_GLOBAL(0xF42BC4, uint32) = current_item_offset;
uint8* installed_entry_pointer = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*) + current_item_offset;
memcpy(installed_entry_pointer, entry, sizeof(rct_object_entry));
installed_entry_pointer += sizeof(rct_object_entry);
strcpy(installed_entry_pointer, findFileData.cFileName);
while (*installed_entry_pointer++);
*((sint32*)installed_entry_pointer) = -1;
*(installed_entry_pointer + 4) = 0;
*((sint32*)(installed_entry_pointer + 5)) = 0;
*((uint16*)(installed_entry_pointer + 9)) = 0;
*((uint32*)(installed_entry_pointer + 11)) = 0;
RCT2_GLOBAL(0x9ADAF0, uint32) = 0xF26E;
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)++;
// This is a variable used by object_load to decide if it should
// use object_paint on the entry.
RCT2_GLOBAL(0x9ADAFD, uint8) = 1;
// Probably used by object paint.
RCT2_GLOBAL(0x9ADAF4, uint32) = 0xF42BDB;
int chunk_size;
if (!object_load(-1, entry, &chunk_size)){
RCT2_GLOBAL(0x9ADAF4, sint32) = -1;
RCT2_GLOBAL(0x9ADAFD, uint8) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)--;
continue;
}
// See above note
RCT2_GLOBAL(0x9ADAF4, sint32) = -1;
RCT2_GLOBAL(0x9ADAFD, uint8) = 0;
if ((entry->flags & 0xF0) == 0x80){
RCT2_GLOBAL(0xF42B70, uint32)++;
if (RCT2_GLOBAL(0xF42B70, uint32) > 772){
RCT2_GLOBAL(0xF42B70, uint32)--;
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)--;
continue;
}
}
*((sint32*)installed_entry_pointer) = chunk_size;
installed_entry_pointer += 4;
uint8* chunk = RCT2_GLOBAL(RCT2_ADDRESS_CURR_OBJECT_CHUNK_POINTER, uint8*); // Loaded in object_load
// When made of two parts i.e Wooden Roller Coaster (Dream Woodie Cars);
if ((entry->flags & 0xF) == 0 && !(*((uint32*)(chunk + 8)) & 0x1000)){
rct_string_id obj_string = chunk[12];
if (obj_string == 0xFF){
obj_string = chunk[13];
if (obj_string == 0xFF){
obj_string = chunk[14];
}
}
obj_string += 2;
format_string(installed_entry_pointer, obj_string, 0);
strcat(installed_entry_pointer, "\t (");
strcat(installed_entry_pointer, language_get_string(RCT2_GLOBAL(0xF42BBC, uint32)));
strcat(installed_entry_pointer, ")");
while (*installed_entry_pointer++);
}
else{
strcpy(installed_entry_pointer, language_get_string(RCT2_GLOBAL(0xF42BBC, uint32)));
while (*installed_entry_pointer++);
}
*((uint32*)installed_entry_pointer) = RCT2_GLOBAL(0x9ADAF0, uint32) - 0xF26E;
installed_entry_pointer += 4;
uint8* esi = RCT2_ADDRESS(0xF42BDB, uint8);
int cl = *esi++;
*installed_entry_pointer++ = cl;
if (cl){
memcpy(installed_entry_pointer, esi, cl*sizeof(rct_object_entry));
installed_entry_pointer += cl*sizeof(rct_object_entry);
}
cl = *esi++;
*installed_entry_pointer++ = cl;
if (cl){
memcpy(installed_entry_pointer, esi, cl*sizeof(rct_object_entry));
installed_entry_pointer += cl*sizeof(rct_object_entry);
}
*((uint32*)installed_entry_pointer) = RCT2_GLOBAL(0xF433DD, uint32);
installed_entry_pointer += 4;
int size_of_object = installed_entry_pointer - RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*) - current_item_offset;
object_unload(entry->flags & 0xF, (rct_object_entry_extended*)entry);
// Return pointer to start of entry
installed_entry_pointer -= size_of_object;
uint8* copied_entry = RCT2_ADDRESS(0x140E9AC, uint8);
size_of_object = object_copy(copied_entry, installed_entry_pointer);
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)--;
copied_entry += sizeof(rct_object_entry);
// Skip filename
while (*copied_entry++);
// Skip
copied_entry += 4;
installed_entry_pointer = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*);
for (uint32 i = 0; i < RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32); ++i){
uint8* temp_installed_entry = installed_entry_pointer;
temp_installed_entry += sizeof(rct_object_entry);
// Skip filename
while (*temp_installed_entry++);
// Skip
temp_installed_entry += 4;
if (strcmp(temp_installed_entry, copied_entry) <= 0)break;
installed_entry_pointer = (uint8*)(object_get_next((rct_object_entry*)installed_entry_pointer));
}
// Difference to new location
int no_bytes_to_move = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*) + current_item_offset - installed_entry_pointer;
uint8* curr_location = installed_entry_pointer;
uint8* move_location = installed_entry_pointer + size_of_object;
if (no_bytes_to_move){
memmove(move_location, curr_location, no_bytes_to_move);
}
copied_entry = RCT2_ADDRESS(0x140E9AC, uint8);
memcpy(installed_entry_pointer, copied_entry, size_of_object);
current_item_offset += size_of_object;
RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)++;
}
FindClose(hFindFile);
sub_6A9FC0();
// Size of list Not used any more.
// RCT2_GLOBAL(0xF42BA0, uint32) = current_item_offset;
// RCT2_GLOBAL(0xF42BA4, uint32) = RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32);
get_plugin_path(pluginPath);
FILE* obj_list_file = fopen(pluginPath,"wb");
if (obj_list_file){
totalFiles = file_count;
totalFiles = ror32(totalFiles, 24);
totalFiles |= 1;
totalFiles = rol32(totalFiles, 24);
pluginHeader.total_files = totalFiles;
pluginHeader.date_modified_checksum = fileDateModifiedChecksum;
pluginHeader.total_file_size = totalFileSize;
pluginHeader.object_list_size = current_item_offset;
pluginHeader.object_list_no_items = RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32);
RCT2_GLOBAL(0xF42B94, uint32) = totalFiles;
fwrite(&pluginHeader, sizeof(rct_plugin_header), 1, obj_list_file);
fwrite(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*), pluginHeader.object_list_size, 1, obj_list_file);
fclose(obj_list_file);
}
ride_list_item ride_list;
ride_list.entry_index = 0xFC;
ride_list.type = 0xFC;
track_load_list(ride_list);
object_list_examine();
}
static int check_object_entry(rct_object_entry *entry)
{
uint32 *dwords = (uint32*)entry;
return (0xFFFFFFFF & dwords[0] & dwords[1] & dwords[2] & dwords[3]) + 1 != 0;
}
/* rct2: 0x675827 */
void set_load_objects_fail_reason(){
rct_object_entry* object = RCT2_ADDRESS(0x13CE952, rct_object_entry);
int expansion = (object->flags & 0xFF) >> 4;
if (expansion == 0
|| expansion == 8
|| RCT2_GLOBAL(0x9AB4C0, uint16) & (1 << expansion)){
char* string_buffer = RCT2_ADDRESS(0x9BC677, char);
format_string(string_buffer, 3323, 0); //Missing object data, ID:
RCT2_CALLPROC_X(0x6AB344, 0, 0, 0, 0, 0, (int)string_buffer, 0x13CE952);
RCT2_GLOBAL(0x9AC31B, uint8) = 0xFF;
RCT2_GLOBAL(0x9AC31C, uint16) = 3165;
return;
}
char* exapansion_name = &RCT2_ADDRESS(RCT2_ADDRESS_EXPANSION_NAMES, char)[128 * expansion];
if (*exapansion_name == '\0'){
RCT2_GLOBAL(0x9AC31B, uint8) = 0xFF;
RCT2_GLOBAL(0x9AC31C, uint16) = 3325;
return;
}
char* string_buffer = RCT2_ADDRESS(0x9BC677, char);
format_string(string_buffer, 3324, 0); // Requires expansion pack
strcat(string_buffer, exapansion_name);
RCT2_GLOBAL(0x9AC31B, uint8) = 0xFF;
RCT2_GLOBAL(0x9AC31C, uint16) = 3165;
}
/**
*
* rct2: 0x006AA0C6
*/
int object_read_and_load_entries(FILE *file)
{
object_unload_all();
int i, j;
rct_object_entry *entries;
log_verbose("Entered object read and load entries");
// Read all the object entries
entries = malloc(OBJECT_ENTRY_COUNT * sizeof(rct_object_entry));
sawyercoding_read_chunk(file, (uint8*)entries);
// Load each object
for (i = 0; i < OBJECT_ENTRY_COUNT; i++) {
if (!check_object_entry(&entries[i]))
continue;
// Get entry group index
int entryGroupIndex = i;
for (j = 0; j < countof(object_entry_group_counts); j++) {
if (entryGroupIndex < object_entry_group_counts[j])
break;
entryGroupIndex -= object_entry_group_counts[j];
}
// Not used but required for function call
int chunk_size;
// Load the obect
if (!object_load(entryGroupIndex, &entries[i], &chunk_size)) {
// Failed to load the object
//Destroy progress bar
log_error("failed to load entry:");
log_error("%.8s", entries[i].name);
memcpy((char*)0x13CE952, &entries[i], sizeof(rct_object_entry));
free(entries);
object_unload_all();
RCT2_GLOBAL(0x14241BC, uint32) = 0;
return 0;
}
}
free(entries);
return 1;
}
/**
*
* rct2: 0x006A9CE8
*/
void object_unload_all()
{
int i, j;
for (i = 0; i < OBJECT_ENTRY_GROUP_COUNT; i++)
for (j = 0; j < object_entry_group_counts[i]; j++)
if (object_entry_groups[i].data[j] != (void**)0xFFFFFFFF)
object_unload(j, &object_entry_groups[i].entries[j]);
sub_6A9FC0();
}