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feat(console): load console variables from WTF files

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This commit is contained in:
phaneron 2023-08-24 20:51:30 -04:00
parent b2a7a3d4ca
commit 1219279a2d
5 changed files with 170 additions and 2 deletions
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99
src/console/CVar.cpp
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@ -3,6 +3,8 @@
#include "console/Types.hpp"
#include "console/Line.hpp"
#include <bc/os/File.hpp>
#include <storm/String.hpp>
bool CVar::m_needsSave;
@ -165,6 +167,103 @@ int32_t CVar::Update() {
return 1;
}
static int32_t s_CreatePathDirectories(const char* szPath) {
return true == OsCreateDirectory(szPath, 1);
}
int32_t CVar::Load(HOSFILE file) {
char fastData[2048] = {0};
char line[2048] = {0};
auto size = OsGetFileSize(file);
char* data = nullptr;
if (0x1fff < size) {
data = SMemAlloc(size + 1, __FILE__, __LINE__, 0);
} else {
data = fastData;
}
auto grown = 0x1FFF >= size;
int32_t result = 0;
size_t bytesRead = 0;
if (OsReadFile(file, data, size, &bytesRead) == 0) {
result = 0;
} else {
data[size] = '\0';
auto curr = data;
// Skip over UTF-8 byte order mark
if ((((data != nullptr) && (2 < bytesRead)) && (data[0] == 0xef)) && ((data[1] == 0xbb && (data[2] == 0xbf)))) {
curr = data + 3;
}
do {
SStrTokenize(&curr, line, 0x800, "\r\n", 0);
// Do not execute commands other than "set ..."
if (SStrCmpI(line, "SET ", 4) == 0) {
// Execute without adding to history
ConsoleCommandExecute(line, 0);
}
result = 1;
} while ((curr != nullptr) && (*curr != '\0'))
}
if (grown) {
SMemFree(data, __FILE__, __LINE__, 0);
}
return result;
}
int32_t CVar::Load(const char* filename) {
char path[STORM_MAX_PATH] = {0};
auto file = OsCreateFile(filename, OS_GENERIC_READ, 0, OS_CREATE_NEW | OS_CREATE_ALWAYS, OS_FILE_ATTRIBUTE_NORMAL, 0x3f3f3f3f);
if (file == HOSFILE_INVALID) {
SStrPrintf(path, STORM_MAX_PATH, "WTF\\%s", filename);
file = OsCreateFile(filename, OS_GENERIC_READ, 0, OS_CREATE_NEW | OS_CREATE_ALWAYS, OS_FILE_ATTRIBUTE_NORMAL, 0x3f3f3f3f);
if (file == HOSFILE_INVALID) {
return 0;
}
}
auto result = CVar::Load(file);
OsCloseFile(file);
return result;
}
void CVar::Initialize(const char* filename) {
STORM_ASSERT(filename);
s_filename = filename;
// Get data path
char path[STORM_MAX_PATH] = {0};
SFile::GetBasePath(path, STORM_MAX_PATH);
SStrPrintf(path, STORM_MAX_PATH, "%s%s\\", path, "WTF");
s_CreatePathDirectories(path);
static ConsoleCommandList baseCommands[] = {
{ "set", SetCommandHandler, "Set the value of a CVar" },
{ "cvar_reset", CvarResetCommandHandler, "Set the value of a CVar to it's startup value" },
{ "cvar_default", CvarDefaultCommandHandler, "Set the value of a CVar to it's coded default value" },
{ "cvarlist", CvarListCommandHandler, "List cvars" }
};
CONSOLE_REGISTER_LIST(DEFAULT, baseCommands);
CVar::Load(s_filename);
}
int32_t CvarCommandHandler(const char* command, const char* arguments) {
auto cvar = CVar::Lookup(command);
STORM_ASSERT(cvar);