12b57e84e6
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190 lines
4.2 KiB
C++
190 lines
4.2 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*
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*/
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/*
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*
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* Console variables
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*
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*/
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#include <cstdarg>
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#include <map>
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#include <stdlib.h>
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#include <physfs.h>
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#include "console.h"
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#include "cvar.h"
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#include "dxxerror.h"
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#include "strutil.h"
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#include "u_mem.h"
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#include "game.h"
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#include "physfsx.h"
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#include "dxxsconf.h"
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#include "compiler-range_for.h"
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#define CVAR_MAX_LENGTH 1024
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/* The list of cvars */
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typedef std::map<const char *, std::reference_wrapper<cvar_t>> cvar_list_type;
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static cvar_list_type cvar_list;
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const char *cvar_t::operator=(const char *s)
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{
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cvar_set_cvar(this, s);
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return s;
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}
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int cvar_t::operator=(int i) { cvar_set_cvarf(this, "%d", i); return this->intval; }
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void cvar_cmd_set(unsigned long argc, const char *const *const argv)
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{
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char buf[CVAR_MAX_LENGTH];
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int ret;
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if (argc == 2) {
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cvar_t *ptr;
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if ((ptr = cvar_find(argv[1])))
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con_printf(CON_NORMAL, "%s: %s", ptr->name, ptr->string.c_str());
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else
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con_printf(CON_NORMAL, "set: variable %s not found", argv[1]);
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return;
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}
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if (argc == 1) {
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range_for (const auto &i, cvar_list)
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con_printf(CON_NORMAL, "%s: %s", i.first, i.second.get().string.c_str());
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return;
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}
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ret = snprintf(buf, sizeof(buf), "%s", argv[2]);
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if (ret >= CVAR_MAX_LENGTH) {
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con_printf(CON_CRITICAL, "set: value too long (max %d characters)", CVAR_MAX_LENGTH);
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return;
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}
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size_t position = ret;
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for (int i = 3; i < argc; i++) {
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ret = snprintf(&buf[position], CVAR_MAX_LENGTH - position, " %s", argv[i]);
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position += ret;
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if (position >= CVAR_MAX_LENGTH)
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{
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con_printf(CON_CRITICAL, "set: value too long (max %d characters)", CVAR_MAX_LENGTH);
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return;
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}
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}
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cvar_set(argv[1], buf);
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}
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void cvar_init(void)
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{
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cmd_addcommand("set", cvar_cmd_set, "set <name> <value>\n" " set variable <name> equal to <value>\n"
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"set <name>\n" " show value of <name>\n"
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"set\n" " show value of all variables");
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}
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cvar_t *cvar_find(const char *cvar_name)
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{
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const auto i = cvar_list.find(cvar_name);
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return i == cvar_list.end() ? nullptr : &i->second.get();
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}
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const char *cvar_complete(const char *text)
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{
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uint_fast32_t len = strlen(text);
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if (!len)
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return NULL;
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range_for (const auto &i, cvar_list)
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if (!d_strnicmp(text, i.first, len))
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return i.first;
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return NULL;
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}
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/* Register a cvar */
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void cvar_registervariable (cvar_t &cvar)
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{
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cvar.value = fl2f(strtod(cvar.string.c_str(), NULL));
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cvar.intval = static_cast<int>(strtol(cvar.string.c_str(), NULL, 10));
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const auto i = cvar_list.insert(cvar_list_type::value_type(cvar.name, cvar));
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if (!i.second)
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{
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Int3();
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con_printf(CON_URGENT, "cvar %s already exists!", cvar.name);
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return;
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}
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/* insert at end of list */
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}
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/* Set a CVar's value */
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void cvar_set_cvar(cvar_t *cvar, const char *value)
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{
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if (!cvar)
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return;
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cvar->string = value;
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cvar->value = fl2f(strtod(value, NULL));
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cvar->intval = static_cast<int>(strtol(value, NULL, 10));
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con_printf(CON_VERBOSE, "%s: %s", cvar->name, value);
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}
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void cvar_set_cvarf(cvar_t *cvar, const char *fmt, ...)
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{
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va_list arglist;
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char buf[CVAR_MAX_LENGTH];
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int n;
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va_start (arglist, fmt);
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n = vsnprintf(buf, sizeof(buf), fmt, arglist);
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va_end (arglist);
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if (n < 0 || n > CVAR_MAX_LENGTH) {
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Int3();
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con_printf(CON_CRITICAL, "error setting cvar %s", cvar->name);
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return;
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}
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cvar_set_cvar(cvar, buf);
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}
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void cvar_set(const char *cvar_name, char *value)
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{
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cvar_t *cvar;
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cvar = cvar_find(cvar_name);
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if (!cvar) {
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Int3();
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con_printf(CON_NORMAL, "cvar %s not found", cvar_name);
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return;
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}
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if (cvar->flags & CVAR_CHEAT && !cheats_enabled())
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{
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con_printf(CON_NORMAL, "cvar %s is cheat protected.", cvar_name);
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return;
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}
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cvar_set_cvar(cvar, value);
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}
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/* Write archive cvars to file */
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void cvar_write(PHYSFS_File *file)
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{
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range_for (const auto &i, cvar_list)
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if (i.second.get().flags & CVAR_ARCHIVE)
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PHYSFSX_printf(file, "%s=%s\n", i.first, i.second.get().string.c_str());
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}
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