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NX2navi/runtime/cfg.c
FemOrWhat 844940c6fb Add DualShock 3 support on Windows, read straight from the controller when no driver presents it, off by default. 
runtime/input_ds3_win.c finds a DualShock 3 through hid.dll and setupapi (loaded at run time), sends it the command
that makes it report, sets its first player light and decodes its reports (runtime/input_ds3.c, tested by
tests/ds3_check) into the pad state, with rumble through its light motor. input.c follows whichever pad was pressed
last when an SDL pad is connected too. ds3 = 1 in nx2navi.ini turns it on: it starts a scan for the controller every
three seconds and opens it read-write, so it stays off unless a player asks for it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-09 08:21:07 -05:00

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// nx2navi.ini: file-backed defaults for the NX2NAVI_* environment variables (docs/controls.md, nx2navi.ini.example).
// Format: "key = value" lines, '#' or ';' at the start of a line begins a comment, [sections] only group. A key is a
// variable name without "NX2NAVI_" (an optional NX2NAVI_ prefix is accepted), case-insensitive. A value is the rest of the
// line, trimmed, optionally in double quotes; an empty value counts as unset. The environment wins over the file.
//
// Live settings: cfg_set changes a value in memory (readers see the new pointer; the old string is kept, so a pointer
// cfg_get handed out stays valid) and cfg_save writes only the changed keys back, keeping the rest of the file.
// Readers take no lock: an entry is complete before n_entries counts it, and value pointers are swapped atomically.
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cfg.h"
#include "discord_app.h"
#include "host.h"
#include "platform/platform.h"
#define PREFIX "NX2NAVI_"
#define PREFIX_LEN (sizeof PREFIX - 1)
#define CFG_MAX_KEYS 512
typedef struct { char *key, *value; int dirty, removed; } CfgEntry; // key upper-case, without the prefix; value NULL after cfg_reset
static CfgEntry entries[CFG_MAX_KEYS];
static int n_entries;
static unsigned version;
static PlatMutex set_lock = PLAT_MUTEX_INIT; // cfg_set, cfg_reset, cfg_save
static int save_ok = 1; // the last cfg_save_to wrote (or had nothing to write)
// Every name the runtime reads (and the patch sets in generated/), without the prefix. A file key outside this list is
// logged as unknown. A new variable goes here too, or its ini key logs a harmless "unknown key" line.
static const char *const known[] = {
"CORES", "TM_DISPATCH", "NVN2_CS_TABLE", "SKIP_SHADERS", "MOVIE_DEBAND", "MOVIE_FPS", "MOVIE_SKIP", "MOVIE_OVERLAY", "MOVIES", "NPLN", "NVN2_PROGRAMS", "NVN_TRAP", "OCARINA_REALTIME", "ONESHOT_WAIT_MS", "OCARINA_STEP", "VI_HZ", "VI_VRR", "TIME_DUMP", "SHADER_DUMP", "SHOT_AFTER", "SHOT_DIR", "SHOT_EVERY", // Switch 2 port: movie skip (romfs.c), NVN2 proc traps (nvn_procs.c)
"AB", "AMIIBO_DIR", "ANISO", "APP_POOL", "ASPECT", "ASPECT_PATCH", "ASSUME_FOCUS", "ASTC", "ASTC_BC", "ASTC_TIME", "ASYNC_PREEMPT", "AUDIO", "AUDIO_CHANNELS", "AUDIO_DEVICE", "AUDIO_GAME_PRIO", "AUDIO_OFF", "AUDIO_PREFILL_MS", "AUDIO_STATS",
"BACKGROUND_WINDOW", "BIND_A", "BIND_B", "BIND_DOWN", "BIND_L", "BIND_LCLICK", "BIND_LEFT", "BIND_LSTICK_DOWN", "BIND_LSTICK_LEFT",
"BIND_LSTICK_RIGHT", "BIND_LSTICK_UP", "BIND_MINUS",
"BIND_PLUS", "BIND_R", "BIND_RCLICK", "BIND_RIGHT", "BIND_RSTICK_DOWN", "BIND_RSTICK_LEFT", "BIND_RSTICK_RIGHT", "BIND_RSTICK_UP",
"BIND_SHAKE",
"BIND_SKIP", "BIND_STATS", "BIND_UP", "BIND_X", "BIND_Y",
"BIND_ZL", "BIND_ZR", "BLOCK_VIEWS_3D", "CLOTH_REALTIME", "COLOR_BRIGHTNESS", "COLOR_CONTRAST", "COLOR_GAMMA",
"COLOR_PRESET", "COLOR_SATURATION", "CONTACT_DEBUG", "CONTACT_SHADOWS", "CORE_DIAG", "CRIT", "CRIT_OUT",
"DESC_TEMPLATE", "DEVICE_PROFILE", "DISCORD_APP_ID", "DISCORD_IMAGE", "DISCORD_RPC", "DLAA", "DLAA_CAM_KEEP", "DLAA_JITTER", "DLAA_MV", "DLAA_MASKDEBUG", "DLAA_MVDEBUG", "DLAA_OBJMV", "DLAA_SURVEY", "DLAA_TIMES", "DLSS", "DLSS_CHAR_MASK", "DLSS_PRESET", "DLSS_REACTIVE", "DUMP", "DUMP_BUF", "DUMP_DIR",
"DUMP_LOG", "DS3", "LOG_CS_BINDS", "LOG_TEX_FLAGS", "LOG_MESH", "MESH", "POOL", "NATIVE_TENSOR", "LOG_RCOND", "LOG_RT_SIZES", "DUMP_WHITE", "DUMP_AFTER", "DUMP_MOVIE", "SUBMIT_FINISH", "ACQUIRE_WAIT", "CS_FALLBACK", "EXEFS", "FEEDBACK", "FIX_C0", "FIX_ZERO", "FLIGHT", "FLIGHT_AT", "FLIGHT_DIR", "FLIGHT_FRAMES",
"FLIGHT_SPIKE_MS", "FLIGHT_THUMBS", "FLUSH_SPAN", "FOLIAGE_SHADOW_CULL", "FOLIAGE_SHADOW_VRS", "FOV", "FOV_PATCH", "FG_HUDLESS_SHOW", "FPS60", "FPS_LIMIT", "FRAMEGEN", "FREEZE_IDLE", "FREE_CORES",
"FULLSCREEN", "FXAA", "GAME_ASPECT", "GAME_RES", "GPA", "GPA_EMPTY", "GPA_TWIN", "GPL", "GPL_DRAW_BUILD", "GPU", "GPU_INDEX", "GPU_PASSES", "GPU_NAME", "HDR", "HDR_BLOWOUT", "HDR_CONTRAST",
"HDR_EXPOSURE", "HDR_FLARE", "HDR_GAMMA", "HDR_GAME_NITS", "HDR_GRADE", "HDR_HIGHLIGHT_SAT", "HDR_HIGHLIGHTS", "HDR_HUE",
"HDR_PEAK_NITS", "HDR_SATURATION", "HDR_SHADOWS", "HDR_TONEMAP", "HDR_UI_NITS", "HIGHFPS_FIX", "INPUT", "INPUT_RECORD", "INPUT_SCRIPT", "LANG", "LIB_PREBUILD",
"BIG_BUILD_FREE_MB", "BIG_BUILD_MAX_MB", "LIB_PREBUILD_BIG", "LIB_PREBUILD_BIG_BG", "LIB_PREBUILD_KEEP", "LIB_PREBUILD_THREADS", "LOCALE", "LOD_GUARD", "LSTICK_DEADZONE", "MEMORY", "MENU_LANG", "MENU_SOUND_VOLUME", "MENU_TEST",
"MENU_CURSOR", "MENU_CURSOR_LOG", "MENU_TEST_DIR", "MENU_TEST_SET", "MINIMAL_LAYOUT", "MICROPHONE", "MIRROR_GAP", "MODS_DIR", "MODS_DISABLED", "MODS_ORDER", "MODS_REBUILD", "MONITOR", "MOTION", "MOUSE_MODE", "MOUSE_DIRECT_PATCH", "MOUSE_SENS", "MOVIE_HOST", "MOVIE_PACE",
"MVOBJ_ALL", "MVOBJ_BANKS", "MVOBJ_EQUAL", "MVOBJ_EXACT", "MVOBJ_EXEC", "MVOBJ_NOC4", "MVOBJ_ONLY", "MVOBJ_TIMES", "MVPREV_CHECK", "MVPREV_GROW", "MVPREV_SKIP", "MVPREV_TRUST", "MV_CHECK",
"MV_SURVEY",
"ONE_PER_CORE", "OPERATION_MODE", "OUTPUT_RES", "PAD_LAYOUT", "PACE_HZ", "PASS_CRUMBS", "PATCH_OUTPUT", "PATCH_RES_FIXED", "PATCH_SCENE", "PATCH_WIDE_ASPECT", "PATCH_WIDE_HUD", "PATCH_WIDE_MOVIE", "PATCH_WIDE_OUT", "PATCH_WIDE_SCENE", "PCSS", "PCSS_K", "PERF_OVERLAY", "PERF_SLOW_MS", "PIPELINE_CACHE", "PIPELINE_CACHE_MAX_MB", "PIPE_BINARIES", "PIPE_BINARIES_MAX_MB", "PIPE_FEEDBACK", "PIPE_MEMO", "PIPE_PREBUILD", "PIPE_SKIP", "PIPE_SYNC", "PIPE_WAIT", "POWER_FULL", "TEX_SAME", "PRESENT_HELD", "HELD_SYNC",
"PREWARM_FULL", "PREWARM_WAIT_MS", "PREWARM_XLATE", "PROBE_MOVIE", "PROBE_MOVIE_SHOT", "PROFILE", "PROFILE_CHAINS", "PROFILE_DIR", "PROFILE_FRAMES", "PROFILE_REPLAY",
"PROFILE_MAIN", "PROFILE_RENDER", "PROMPTS", "PUSH_SKIP", "PUSH_STAGE", "RDOC", "RDOC_DIR", "RDOC_DLL", "REALTIME", "REC_END", "REEXEC",
"REFLEX", "RENDER_SCALE", "REPLAY_ASYNC", "RTSS",
"REPLAY_CHECK", "RESOLVE_CHECK", "RESTART_WAIT", "ROMFS", "ROMFS_INDEX", "ROMFS_MMAP", "ROMFS_MODS", "ROMFS_PATCHES",
"ROMFS_PROOF_DIR", "ROMFS_VERIFY", "RSTICK_DEADZONE", "RUMBLE", "RUMBLE_CURVE", "RUMBLE_STRENGTH", "RUMBLE_TRIGGERS", "SHADER_CACHE",
"SHADER_CACHE_FLUSH", "SHADER_MEMO", "SHADOW_COMPARE", "SHADOW_RANGE", "SHADOW_RES", "SHADOW_SCALE", "SHARED_FONTS", "SHARPNESS", "SHOTS", "SHOTS_DIR",
"SVC_SLOW_MS",
"SHOTS_FULL", "SPEED_PROBE", "SPIN", "SPIN_HANDOFF_US", "SPLIT_DRAWS", "SPLIT_US", "SPV_OVERRIDE", "STICK_DEADZONE", "STICK_SENS",
"SWKBD_ANSWER",
"SET_AT", "SWKBD_TEST", "TAA", "TEST_PAD", "TEST_PAD_AT", "TEST_PREPARE_SHADERS", "TEX_ALIAS", "TEX_MEMO", "TEX_VRAM_PRESSURE", "TEX_RELEASED_MB", "TEX_COMMIT_FREE_MB", "TEX_EVICT", "MIRROR_EVICT", "VRAM_BUDGET_MB", "TIMER_1MS", "TRACE", "TXD_TRANSPOSE", "UBO_SNAPSHOT", "UPSCALER", "VK_DYN_A2C", "VK_DYN_VERTEX", "VK_NOOPT", "VK_NO_FLOAT64",
"VK_PRESENT", "VK_RECONVERGE", "VK_RECORDER", "VK_SSBO_ALIGN", "VK_SUBGROUP", "VK_SUBGROUP_PIN", "VK_VALIDATION", "VOLUME", "VRAM_HEADROOM", "VS_OUTS",
"WALK_KEY", "WALK_SCALE", "WB_EXACT", "WB_FENCE_LIMIT", "WB_MERGE", "WB_NO_REUP", "WB_MERGE_MAX", "WINDOW_SIZE", "XLATE", "XLATE_ID", "XLATE_KEEP", "XLATE_PROCS",
"ZSTD_CHECK", "ZSTD_NATIVE",
"BIND_REUSE", "DYN_DELTA", "STG_ARENA", "SUBMIT_BATCH", "ASTC_GPU_DESWIZZLE", "ASTC_SCRATCH_KEEP", "ASTC_ARENA",
"TEXUP_LOG_MS", "DYN_RES", "DYN_RES_TARGET", "DYN_RES_STEP",
"RECORDER_CORE", "RECORDER_PRIO", "REPLAY_TIME", "LOCK_TIME", "POOL_CREATE_BUDGET",
};
// The nx2navi.ini section a key cfg_set may write goes to when the file lacks it (nx2navi.ini.example's sections).
static const struct { const char *key, *section; } sections[] = {
{"FPS_LIMIT", "frame rate"}, {"FPS60", "frame rate"}, {"RTSS", "frame rate"},
{"REALTIME", "frame rate"}, {"CLOTH_REALTIME", "frame rate"}, {"HIGHFPS_FIX", "frame rate"},
{"FULLSCREEN", "display"}, {"WINDOW_SIZE", "display"}, {"PERF_OVERLAY", "display"}, {"VK_PRESENT", "display"},
{"GPU_INDEX", "display"}, {"MONITOR", "display"}, {"OUTPUT_RES", "display"}, {"GAME_ASPECT", "display"}, {"GAME_RES", "display"}, {"RENDER_SCALE", "display"}, {"UPSCALER", "display"},
{"SHARPNESS", "display"}, {"ASPECT", "display"}, {"FOV", "display"}, {"ANISO", "display"},
{"COLOR_PRESET", "display"},
{"COLOR_BRIGHTNESS", "display"}, {"COLOR_CONTRAST", "display"}, {"COLOR_SATURATION", "display"},
{"COLOR_GAMMA", "display"}, {"HDR", "display"}, {"HDR_PEAK_NITS", "display"}, {"HDR_GAME_NITS", "display"},
{"HDR_UI_NITS", "display"}, {"HDR_GAMMA", "display"}, {"HDR_TONEMAP", "display"}, {"HDR_EXPOSURE", "display"},
{"HDR_HIGHLIGHTS", "display"}, {"HDR_SHADOWS", "display"}, {"HDR_CONTRAST", "display"}, {"HDR_SATURATION", "display"},
{"HDR_HIGHLIGHT_SAT", "display"}, {"HDR_BLOWOUT", "display"}, {"HDR_FLARE", "display"}, {"HDR_HUE", "display"},
{"HDR_GRADE", "display"}, {"SHADOW_RES", "display"},
{"DLAA", "display"}, {"DLSS", "display"}, {"DLSS_PRESET", "display"}, {"DLSS_CHAR_MASK", "display"}, {"FXAA", "display"},
{"DEVICE_PROFILE", "display"}, {"ASSUME_FOCUS", "display"},
{"DISCORD_RPC", "discord"}, {"DISCORD_APP_ID", "discord"}, {"DISCORD_IMAGE", "discord"},
{"SHADOW_SCALE", "display"}, {"SHADOW_RANGE", "display"}, {"CONTACT_SHADOWS", "display"},
{"PCSS", "display"},
{"MODS_DIR", "mods"}, {"MODS_ORDER", "mods"}, {"MODS_DISABLED", "mods"}, {"MODS_REBUILD", "mods"},
{"MENU_LANG", "language"}, {"LANG", "language"}, {"OPERATION_MODE", "language"},
{"VOLUME", "audio"}, {"AUDIO_CHANNELS", "audio"}, {"AUDIO_DEVICE", "audio"}, {"MICROPHONE", "audio"}, {"MENU_SOUND_VOLUME", "audio"},
{"MOTION", "input"}, {"RUMBLE_STRENGTH", "input"}, {"RUMBLE_CURVE", "input"}, {"RUMBLE_TRIGGERS", "input"}, {"DS3", "input"},
{"PAD_LAYOUT", "input"}, {"PROMPTS", "input"}, {"STICK_DEADZONE", "input"}, {"LSTICK_DEADZONE", "input"}, {"RSTICK_DEADZONE", "input"},
{"STICK_SENS", "input"},
{"MENU_CURSOR", "input"}, {"MOUSE_MODE", "input"}, {"MOUSE_SENS", "input"}, {"WALK_KEY", "input"}, {"WALK_SCALE", "input"}, {"INPUT_RECORD", "input"},
{"BIND_A", "input"}, {"BIND_B", "input"}, {"BIND_X", "input"}, {"BIND_Y", "input"}, {"BIND_LCLICK", "input"},
{"BIND_RCLICK", "input"}, {"BIND_L", "input"}, {"BIND_R", "input"}, {"BIND_ZL", "input"}, {"BIND_ZR", "input"},
{"BIND_PLUS", "input"}, {"BIND_MINUS", "input"}, {"BIND_LEFT", "input"}, {"BIND_UP", "input"},
{"BIND_RIGHT", "input"}, {"BIND_DOWN", "input"}, {"BIND_LSTICK_LEFT", "input"}, {"BIND_LSTICK_UP", "input"},
{"BIND_LSTICK_RIGHT", "input"}, {"BIND_LSTICK_DOWN", "input"}, {"BIND_RSTICK_LEFT", "input"},
{"BIND_RSTICK_UP", "input"}, {"BIND_RSTICK_RIGHT", "input"}, {"BIND_RSTICK_DOWN", "input"}, {"BIND_SHAKE", "input"},
{"ASYNC_PREEMPT", "performance"}, {"REPLAY_ASYNC", "performance"}, {"FREE_CORES", "performance"},
{"DYN_RES", "performance"}, {"DYN_RES_TARGET", "performance"}, {"DYN_RES_STEP", "performance"},
{"RECORDER_CORE", "performance"}, {"RECORDER_PRIO", "performance"}, {"BIND_REUSE", "performance"},
{"DYN_DELTA", "performance"}, {"STG_ARENA", "performance"}, {"SUBMIT_BATCH", "performance"},
{"ASTC_GPU_DESWIZZLE", "performance"}, {"ASTC_SCRATCH_KEEP", "performance"}, {"ASTC_ARENA", "performance"}, {"POOL_CREATE_BUDGET", "performance"},
{"TIMER_1MS", "performance"}, {"PIPE_WAIT", "performance"}, {"PIPE_SKIP", "performance"},
{"LIB_PREBUILD", "performance"}, {"LIB_PREBUILD_THREADS", "performance"}, {"PIPE_PREBUILD", "performance"},
{"PREWARM_XLATE", "performance"}, {"GPL", "performance"}, {"ASTC", "performance"}, {"MEMORY", "performance"},
{"TEX_ALIAS", "performance"}, {"TEX_VRAM_PRESSURE", "performance"}, {"ASTC_BC", "performance"}, {"LOD_GUARD", "performance"}, {"FIX_C0", "performance"}, {"FIX_ZERO", "performance"},
{"BIND_SKIP", "performance"}, {"SHADER_CACHE_FLUSH", "performance"}, {"SHADER_MEMO", "performance"}, {"PIPE_MEMO", "performance"}, {"TEX_MEMO", "performance"}, {"DESC_TEMPLATE", "performance"},
{"PUSH_SKIP", "performance"}, {"SPLIT_DRAWS", "performance"}, {"SPLIT_US", "performance"}, {"VK_VALIDATION", "performance"},
{"VK_DYN_VERTEX", "performance"}, {"VK_DYN_A2C", "performance"}, {"VK_SUBGROUP_PIN", "performance"}, {"VK_RECONVERGE", "performance"},
{"TRACE", "diagnostics"}, {"FLIGHT", "diagnostics"}, {"PASS_CRUMBS", "diagnostics"}, {"FLIGHT_SPIKE_MS", "diagnostics"},
{"WB_FENCE_LIMIT", "diagnostics"}, {"WB_MERGE", "diagnostics"}, {"WB_EXACT", "diagnostics"}, {"WB_NO_REUP", "diagnostics"},
{"WB_MERGE_MAX", "diagnostics"}, {"MV_SURVEY", "diagnostics"}, {"TEXUP_LOG_MS", "diagnostics"},
};
// The settings the menu shows: the value in effect when the key is unset, and what the key accepts. The only place a
// default lives: consumers read cfg_value / cfg_int / cfg_double / cfg_bool. A row with an empty default has no fixed
// value (it depends on the machine); its consumer reads cfg_get and keeps an "unset" branch.
#define LIVE 1
#define RESTART 0
static const CfgMeta metas[] = {
// Screen
{"FULLSCREEN", "0", "0|1", LIVE}, {"WINDOW_SIZE", "1920x1080", NULL, LIVE},
{"VK_PRESENT", "mailbox", "mailbox|fifo|immediate", LIVE}, {"GPU_INDEX", "", NULL, RESTART},
{"MONITOR", "auto", NULL, RESTART}, // auto|primary|<1-based index>|<part of a device or monitor name> (gfx_window_win.c chosen_monitor)
{"PERF_OVERLAY", "off", "off|fps|full", LIVE},
{"OUTPUT_RES", "1920x1080", NULL, RESTART}, {"RENDER_SCALE", "game", "game|50|67|75|100|125|150|200", RESTART},
{"UPSCALER", "fsr", "fsr|bilinear", LIVE}, {"SHARPNESS", "80", "0..100", LIVE},
{"DLAA", "0", "0|1", LIVE}, {"DLSS", "dlaa", "dlaa|quality|balanced|performance|ultra_performance", LIVE},
{"DLSS_PRESET", "default", "default|k|j", LIVE}, {"TAA", "dlss", "dlss|fsr3", LIVE}, // vk_dlaa.c fsr3
{"FRAMEGEN", "off", "off|fsr3|dlss", LIVE}, // vk_fg.cpp, vk_dlssg.c
{"DLSS_CHAR_MASK", "65", "0|35|65|100", LIVE}, {"FXAA", "1", "0|1", LIVE},
{"GAME_ASPECT", "16:9", "16:9|window|21:9|32:9", RESTART}, // widescreen.c
{"GAME_RES", "1440", "1080|1440|1800|2160|2880|window", RESTART}, // widescreen.c: the picture's height
{"ASPECT", "fit", "fit|stretch", LIVE}, {"FOV", "100", "70..140", LIVE},
{"ANISO", "game", "game|2|4|8|16", RESTART}, // vk_texture.c sampler_features
// colour adjustment (vk_color.c); the preset is the menu's, the four values are what the present uses
{"COLOR_PRESET", "default", "default|vivid|clarity|custom", LIVE}, {"COLOR_BRIGHTNESS", "0", "-30..30", LIVE},
{"COLOR_CONTRAST", "100", "70..150", LIVE}, {"COLOR_SATURATION", "100", "50..200", LIVE},
{"COLOR_GAMMA", "1", "0.8..1.2", LIVE},
// HDR output (vk_hdr.c): on at start (the HDR tonemap is spliced into the game's as shaders load); the rest apply at
// once. The grading sliders: 50 leaves the picture as it is, exposure in percent.
{"HDR", "0", "0|1|native", RESTART}, {"HDR_PEAK_NITS", "1000", "400..10000", LIVE}, {"HDR_GAME_NITS", "203", "48..500", LIVE},
{"HDR_UI_NITS", "203", "48..500", LIVE}, {"HDR_GAMMA", "2.2", "off|2.2|2.4", LIVE},
{"HDR_TONEMAP", "renodrt", "vanilla|renodrt", LIVE}, {"HDR_EXPOSURE", "100", "0..200", LIVE},
{"HDR_HIGHLIGHTS", "50", "0..100", LIVE}, {"HDR_SHADOWS", "50", "0..100", LIVE}, {"HDR_CONTRAST", "50", "0..100", LIVE},
{"HDR_SATURATION", "50", "0..100", LIVE}, {"HDR_HIGHLIGHT_SAT", "50", "0..100", LIVE},
{"HDR_BLOWOUT", "0", "0..100", LIVE}, {"HDR_FLARE", "0", "0..100", LIVE}, {"HDR_HUE", "100", "0..100", LIVE},
{"HDR_GRADE", "100", "0..100", LIVE},
{"DEVICE_PROFILE", "auto", "auto|desktop|deck", RESTART},
{"SHADOW_RES", "game", "game|256|512|768|1024|1536|2048", RESTART},
{"SHADOW_SCALE", "1", "1..4", RESTART}, {"SHADOW_COMPARE", "1", "0|1", RESTART}, // vk_texture.c
{"SVC_SLOW_MS", "0", "0..60000", RESTART}, // kernel.c kern_svc: log services slower than this
{"SHADOW_RANGE", "100", "50..400", RESTART}, {"CONTACT_SHADOWS", "0", "0..100", RESTART},
{"PCSS", "0", "0..200", RESTART},
// Game
{"FPS_LIMIT", "60", "30|40|45|60|90|120|144|165|240|display|unlimited", LIVE}, {"FPS60", "1", "0|1", LIVE},
{"RTSS", "1", "0|1", RESTART}, // rtss_limit.c: RivaTuner Statistics Server takes the limit where it runs
{"REALTIME", "1", "0|1", RESTART}, {"CLOTH_REALTIME", "1", "0|1", RESTART},
{"MODS_REBUILD", "auto", "auto|off", RESTART},
{"HIGHFPS_FIX", "1", "0|1", RESTART},
{"LANG", "", "ja|en-US|fr|de|it|es|zh-CN|ko|nl|pt|ru|zh-TW|en-GB|fr-CA|es-419|zh-Hans|zh-Hant|pt-BR|pl", RESTART},
{"OPERATION_MODE", "docked", "docked|handheld", LIVE},
{"ASSUME_FOCUS", "1", "0|1", LIVE}, // read on every focus change (ov_system.c)
// Sound, Controls, Menu
{"VOLUME", "100", "0..100", LIVE}, {"MENU_SOUND_VOLUME", "80", "0..100", LIVE}, {"AUDIO_CHANNELS", "stereo", "auto|stereo|5.1", RESTART},
{"AUDIO_DEVICE", "default", NULL, RESTART}, // default|<1-based index>|<part of a device name> (audio_mixer.c resolve_audio_device)
{"MICROPHONE", "1", "0|1", RESTART}, // ov_audio_input.c mic_on: 0 refuses the game's input streams
{"MOTION", "1", "0|1", LIVE}, {"RUMBLE_STRENGTH", "130", "0..300", LIVE}, {"RUMBLE_CURVE", "0.6", "0.2..1.5", LIVE},
{"RUMBLE_TRIGGERS", "0", "0|1", LIVE}, {"PAD_LAYOUT", "nintendo", "auto|nintendo|xbox|playstation", LIVE},
{"DS3", "0", "0|1", LIVE}, // input_ds3_win.c ds3_read: read a DualShock 3 directly; off: no HID scan
{"PROMPTS", "nintendo", "nintendo|xbox|playstation|pc", RESTART},
{"STICK_DEADZONE", "8", "0..50", LIVE}, {"STICK_SENS", "1", "0.1..3", RESTART},
{"LSTICK_DEADZONE", "", "0..50", LIVE}, {"RSTICK_DEADZONE", "", "0..50", LIVE},
{"MOUSE_MODE", "direct", "stick|direct", LIVE},
{"MOUSE_SENS", "1", "0..10", LIVE}, {"MENU_CURSOR", "1", "0|1", LIVE},
{"WALK_KEY", "none", NULL, LIVE}, {"WALK_SCALE", "0.51", "0.2..0.9", LIVE},
{"MENU_LANG", "", "en|ru|pt-BR|zh-Hans", LIVE},
{"AMIIBO_DIR", "", NULL, LIVE},
// Discord Rich Presence (discord_rpc.c): off by default, the Menu tab of the settings menu switches it. The
// application's id and art key default to discord_app.h's NX2NAVI_DISCORD_*_DEFAULT.
{"DISCORD_RPC", "0", "0|1", LIVE},
{"DISCORD_APP_ID", NX2NAVI_DISCORD_APP_ID_DEFAULT, NULL, LIVE},
{"DISCORD_IMAGE", NX2NAVI_DISCORD_IMAGE_DEFAULT, NULL, LIVE},
// Advanced: scheduling
{"ASYNC_PREEMPT", "1", "0|1|2", RESTART}, {"REPLAY_ASYNC", "0", "0|1", RESTART},
{"FREE_CORES", "0", "0|1", RESTART}, {"TIMER_1MS", "1", "0|1", RESTART},
// dynamic resolution (dynres.c): the scene follows the GPU time toward DYN_RES_TARGET milliseconds
{"DYN_RES", "0", "0|1", LIVE}, {"DYN_RES_TARGET", "16.7", "1..100", LIVE}, {"DYN_RES_STEP", "45", "8..600", LIVE},
// the recording thread: a core of its own (auto: with 12 or more logical processors) and the highest priority
// (vk_exec.c vk_exec_record)
{"RECORDER_CORE", "auto", "auto|0|1", RESTART}, {"RECORDER_PRIO", "1", "0|1", RESTART}, {"REPLAY_TIME", "0", "0|1", RESTART}, {"LOCK_TIME", "0", "0|1", RESTART}, {"POOL_CREATE_BUDGET", "16", "1..4096", RESTART},
// held submissions handed to the queue together (vk_sync.c, submit batching)
{"SUBMIT_BATCH", "4", "1..16", RESTART},
// shaders and pipelines
{"PIPE_WAIT", "default", "default|draw", RESTART}, {"PIPE_SKIP", "fullscreen", "strict|any|fullscreen", RESTART},
{"LIB_PREBUILD", "1", "0|1", RESTART}, {"LIB_PREBUILD_THREADS", "", "1..64", RESTART},
{"PIPE_PREBUILD", "1", "0|1", RESTART}, {"PREWARM_XLATE", "", "1..64", RESTART}, {"GPL", "1", "0|1", RESTART},
{"LIB_PREBUILD_BIG_BG", "1", "0|1", RESTART}, {"PIPE_FEEDBACK", "1", "0|1|2", RESTART},
{"PIPELINE_CACHE_MAX_MB", "512", "0..65536", RESTART}, {"PIPE_BINARIES", "0", "0|1", RESTART}, {"ONESHOT_WAIT_MS", "30000", "0..60000", RESTART}, {"PIPE_BINARIES_MAX_MB", "1024", "0..65536", RESTART}, {"BIG_BUILD_FREE_MB", "8192", "0..262144", RESTART},
{"BIG_BUILD_MAX_MB", "4096", "0..262144", RESTART},
// textures and memory
{"ASTC", "auto", "auto|gpu|native|cpu", RESTART}, {"MEMORY", "auto", "auto|import|mirror|verify", RESTART},
{"TEX_ALIAS", "1", "0|1", RESTART}, {"TEX_VRAM_PRESSURE", "90", "0..100", RESTART}, {"ASTC_BC", "", "0|1", RESTART}, {"ZSTD_NATIVE", "1", "0|1", RESTART}, {"ZSTD_CHECK", "0", "0|1", RESTART},
{"STG_ARENA", "1", "0|1", RESTART}, {"ASTC_GPU_DESWIZZLE", "1", "0|1", RESTART},
{"ASTC_SCRATCH_KEEP", "0", "0|1", RESTART}, {"ASTC_ARENA", "0", "0|1", RESTART}, // vk_astc.c scratch_get, vk_texture.c astc_arena
// render fixes
{"LOD_GUARD", "1", "0|1", RESTART}, {"FIX_C0", "1", "0|1", RESTART}, {"FIX_ZERO", "1", "0|1", RESTART},
{"BIND_SKIP", "1", "0|1", RESTART}, {"SHADER_CACHE_FLUSH", "0", "0|1", RESTART}, {"SHADER_MEMO", "1", "0|1", RESTART}, {"PIPE_MEMO", "1", "0|1", RESTART}, {"TEX_MEMO", "1", "0|1", RESTART},
{"BIND_REUSE", "1", "0|1", RESTART}, {"DYN_DELTA", "1", "0|1", RESTART},
{"DESC_TEMPLATE", "1", "0|1", RESTART},
{"PUSH_SKIP", "1", "0|1", RESTART}, {"SPLIT_DRAWS", "64", "0..1000", RESTART},
{"SPLIT_US", "1000", "0..20000", RESTART},
// Vulkan
{"VK_VALIDATION", "0", "0|1", RESTART}, {"VK_DYN_VERTEX", "", "0|1", RESTART},
{"VK_DYN_A2C", "", "0|1", RESTART}, {"VK_SUBGROUP_PIN", "1", "0|1", RESTART},
{"VK_RECONVERGE", "1", "0|1", RESTART}, // vk_pipeline.c spirv_reconverge
{"VK_NOOPT", "0", "0|1", RESTART}, // vk_pipeline.c noopt_flag
// diagnostics
{"TRACE", "", NULL, RESTART}, {"FLIGHT", "0", "0|1", RESTART}, {"FLIGHT_SPIKE_MS", "100", "0..60000", RESTART},
{"WB_FENCE_LIMIT", "65536", "0..1073741824", RESTART}, {"WB_MERGE", "1", "0|1", RESTART}, {"WB_EXACT", "1", "0|1", RESTART}, {"WB_NO_REUP", "0", "0|1", RESTART},
{"WB_MERGE_MAX", "16", "1..16", RESTART}, {"TEXUP_LOG_MS", "0", "0..60000", RESTART}, // vk_texture.c vk_texstat_frame
{"PASS_CRUMBS", "", "0|1", RESTART}, // vk_crumbs.c pass marks; unset: VK_AMD_buffer_marker only
{"INPUT_RECORD", "", NULL, RESTART},
};
static int is_known(const char *key) {
for (size_t i = 0; i < sizeof known / sizeof *known; i++)
if (!strcmp(known[i], key)) return 1;
return !strncmp(key, "CHEAT_", 6); // cheats.c and the cheat patch sets (tools/cheats.py)
}
static void clear(void) {
for (int i = 0; i < n_entries; i++) free(entries[i].key), free(entries[i].value);
n_entries = 0;
}
static char *trim(char *s) {
while (*s == ' ' || *s == '\t') s++;
char *e = s + strlen(s);
while (e > s && (e[-1] == ' ' || e[-1] == '\t' || e[-1] == '\r')) *--e = 0;
return s;
}
// The upper-case key without the prefix, in place.
static char *norm_key(char *key) {
for (char *p = key; *p; p++) *p = (char)toupper((unsigned char)*p);
return strncmp(key, PREFIX, PREFIX_LEN) ? key : key + PREFIX_LEN;
}
static void add(char *key, char *value, int line) {
key = norm_key(key);
size_t vl = strlen(value);
if (vl >= 2 && value[0] == '"' && value[vl - 1] == '"') value[vl - 1] = 0, value++;
if (!*key) return;
if (!is_known(key)) rt_log("cfg: nx2navi.ini line %d: unknown key '%s'", line, key);
if (!*value) return; // "key =" leaves the setting at its default
for (int i = 0; i < n_entries; i++)
if (!strcmp(entries[i].key, key)) { // a repeated key: the later line wins
free(entries[i].value);
entries[i].value = strdup(value);
return;
}
if (n_entries == CFG_MAX_KEYS) return;
entries[n_entries++] = (CfgEntry){strdup(key), strdup(value), 0, 0};
}
// 0.1.9 had the Xbox prompts as a pad layout: pad_layout = xbox_prompts is pad_layout = nintendo with prompts = xbox.
// Read as those two, which the menu shows and the next cfg_save writes; a prompts line of the file's own wins. The
// value still works from the environment (input_pad_layout_pick, input_prompts_pick).
static void migrate(void) {
CfgEntry *layout = NULL, *prompts = NULL;
for (int i = 0; i < n_entries; i++) {
if (!strcmp(entries[i].key, "PAD_LAYOUT")) layout = &entries[i];
if (!strcmp(entries[i].key, "PROMPTS")) prompts = &entries[i];
}
if (!layout || strcasecmp(layout->value, "xbox_prompts")) return;
free(layout->value);
layout->value = strdup("nintendo");
layout->dirty = 1;
if (!prompts && n_entries < CFG_MAX_KEYS) entries[n_entries++] = (CfgEntry){strdup("PROMPTS"), strdup("xbox"), 1, 0};
rt_log("cfg: nx2navi.ini pad_layout = xbox_prompts is read as pad_layout = nintendo and prompts = %s",
prompts ? prompts->value : "xbox");
}
int cfg_load(const char *path) {
clear();
__atomic_add_fetch(&version, 1, __ATOMIC_RELEASE); // the lookup memo (cfg_memo) forgets the freed strings
uint64_t size = 0;
uint8_t *data = plat_file_read(path, &size);
if (!data) return 0;
char *p = (char *)data;
if (size >= 3 && !memcmp(p, "\xEF\xBB\xBF", 3)) p += 3; // editors add a BOM
for (int line = 1; *p; line++) {
char *eol = strchr(p, '\n');
if (eol) *eol = 0;
char *s = trim(p);
char *eq = strchr(s, '=');
if (*s && *s != '#' && *s != ';' && *s != '[') {
if (!eq) rt_log("cfg: nx2navi.ini line %d: no '=' in '%s'", line, s);
else {
*eq = 0;
add(trim(s), trim(eq + 1), line);
}
}
if (!eol) break;
p = eol + 1;
}
free(data);
migrate();
return 1;
}
// ---- device profiles: defaults for a known machine, below the environment and nx2navi.ini and above the table, so any
// key the player sets wins and resetting a key in the menu returns to the profile's value. NX2NAVI_DEVICE_PROFILE = auto
// (default: the Steam Deck when the firmware says so), desktop (none) or deck.
//
// The Steam Deck (LCD Jupiter, OLED Galileo; 1280x800, 16:10, 4 Zen 2 cores, RDNA 2 with 8 CUs sharing 16 GB): the game
// at the screen's 1280x800 with its own 5/6 scene (the aspect patch gives the camera its 16:10, resolution.c, and the
// romfs-patches-1280x800 overlay the HUD's);
// fullscreen and vsync, as gamescope composes Game Mode; 40 fps, which divides 40 Hz (and 120 Hz on the OLED).
// Starting points to replace with measured ones (docs/tester-guide.md, Steam Deck).
static const struct { const char *key, *value; } DECK[] = {
{"FULLSCREEN", "1"}, {"WINDOW_SIZE", "1280x800"}, {"OUTPUT_RES", "1280x800"}, {"RENDER_SCALE", "game"},
{"VK_PRESENT", "fifo"}, {"FPS_LIMIT", "40"},
};
static int profile = -1; // 0 none, 1 Steam Deck
static int read_line(const char *path, char *out, size_t n) {
FILE *f = fopen(path, "r");
if (!f) return 0;
int ok = fgets(out, (int)n, f) != NULL;
fclose(f);
out[ok ? strcspn(out, "\r\n") : 0] = 0;
return ok;
}
// The Steam Deck: Valve's board, product Jupiter or Galileo (/sys/class/dmi/id); SteamDeck=1, which Steam sets on it.
static int on_steam_deck(void) {
const char *env = getenv("SteamDeck");
if (env && !strcmp(env, "1")) return 1;
char vendor[64], product[64];
return read_line("/sys/class/dmi/id/board_vendor", vendor, sizeof vendor) && !strcmp(vendor, "Valve") &&
read_line("/sys/class/dmi/id/product_name", product, sizeof product) &&
(!strcmp(product, "Jupiter") || !strcmp(product, "Galileo"));
}
static const char *raw_get(const char *name);
static int profile_of(void) {
int p = __atomic_load_n(&profile, __ATOMIC_ACQUIRE);
if (p >= 0) return p;
const char *set = raw_get(PREFIX "DEVICE_PROFILE");
if (set && !strcmp(set, "deck")) p = 1;
else if (set && *set && strcmp(set, "auto")) p = 0;
else p = on_steam_deck();
__atomic_store_n(&profile, p, __ATOMIC_RELEASE);
return p;
}
const char *cfg_device_profile(void) { return profile_of() ? "deck" : "desktop"; }
static const char *raw_get(const char *name) {
const char *e = getenv(name);
if (e || strncmp(name, PREFIX, PREFIX_LEN)) return e;
int n = __atomic_load_n(&n_entries, __ATOMIC_ACQUIRE);
for (int i = 0; i < n; i++)
if (!strcasecmp(entries[i].key, name + PREFIX_LEN)) return __atomic_load_n(&entries[i].value, __ATOMIC_ACQUIRE);
return NULL;
}
static const char *cfg_get_now(const char *name) {
const char *v = raw_get(name);
if (v || strncmp(name, PREFIX, PREFIX_LEN) || !profile_of()) return v;
for (size_t i = 0; i < sizeof DECK / sizeof *DECK; i++)
if (!strcasecmp(DECK[i].key, name + PREFIX_LEN)) return DECK[i].value;
return NULL;
}
// Whether name's value comes from the player (the environment or nx2navi.ini), not a profile or the table.
int cfg_is_set(const char *name) { return raw_get(name) != NULL; }
unsigned cfg_version(void) { return __atomic_load_n(&version, __ATOMIC_ACQUIRE); }
int cfg_setenv(const char *name, const char *value) {
int ok = plat_setenv(name, value);
__atomic_add_fetch(&version, 1, __ATOMIC_RELEASE);
return ok;
}
int cfg_from_env(const char *name) { return getenv(name) != NULL; }
void cfg_set(const char *name, const char *value) {
if (strncmp(name, PREFIX, PREFIX_LEN) || !value) return;
char key[64];
snprintf(key, sizeof key, "%s", name + PREFIX_LEN);
for (char *p = key; *p; p++) *p = (char)toupper((unsigned char)*p);
plat_mutex_lock(&set_lock);
int i = 0, n = n_entries;
while (i < n && strcmp(entries[i].key, key)) i++;
if (i < n) {
if (!entries[i].value || strcmp(entries[i].value, value)) {
__atomic_store_n(&entries[i].value, strdup(value), __ATOMIC_RELEASE); // the old string stays for readers
entries[i].dirty = 1;
}
entries[i].removed = 0; // a value set after cfg_reset replaces the line instead of deleting it
} else if (n < CFG_MAX_KEYS) {
entries[n] = (CfgEntry){strdup(key), strdup(value), 1, 0};
__atomic_store_n(&n_entries, n + 1, __ATOMIC_RELEASE);
}
__atomic_add_fetch(&version, 1, __ATOMIC_RELEASE);
plat_mutex_unlock(&set_lock);
}
int cfg_reset(const char *const *keys, int n) {
int done = 0;
plat_mutex_lock(&set_lock);
for (int k = 0; k < n; k++) {
char key[64], var[80];
snprintf(key, sizeof key, "%s", keys[k]);
const char *name = norm_key(key);
snprintf(var, sizeof var, PREFIX "%s", name);
if (getenv(var)) continue; // the environment wins; the file line stays
int i = 0;
while (i < n_entries && strcmp(entries[i].key, name)) i++;
if (i == n_entries) { // no value in memory ("key =" in the file): the line still has to go
if (i == CFG_MAX_KEYS) continue;
entries[i] = (CfgEntry){strdup(name), NULL, 0, 1};
__atomic_store_n(&n_entries, i + 1, __ATOMIC_RELEASE);
} else if (entries[i].value) {
__atomic_store_n(&entries[i].value, NULL, __ATOMIC_RELEASE); // the old string stays for readers
entries[i].dirty = 0;
entries[i].removed = 1; // cfg_save_to deletes the key's lines
done++;
} else {
entries[i].removed = 1;
}
}
if (done) __atomic_add_fetch(&version, 1, __ATOMIC_RELEASE);
plat_mutex_unlock(&set_lock);
return done;
}
int cfg_last_save_ok(void) { return __atomic_load_n(&save_ok, __ATOMIC_ACQUIRE); }
void cfg_each_active(void (*cb)(const char *key, const char *value, int from_env, void *ctx), void *ctx) {
int n = __atomic_load_n(&n_entries, __ATOMIC_ACQUIRE);
for (int i = 0; i < n; i++) {
const char *v = __atomic_load_n(&entries[i].value, __ATOMIC_ACQUIRE);
if (v) cb(entries[i].key, v, 0, ctx);
}
for (size_t i = 0; i < sizeof known / sizeof *known; i++) {
char var[80];
snprintf(var, sizeof var, PREFIX "%s", known[i]);
const char *e = getenv(var);
if (e) cb(known[i], e, 1, ctx);
}
}
const CfgMeta *cfg_meta(const char *key) {
char k[64];
snprintf(k, sizeof k, "%s", key);
const char *name = norm_key(k);
for (size_t i = 0; i < sizeof metas / sizeof *metas; i++)
if (!strcmp(metas[i].key, name)) return &metas[i];
return NULL;
}
const char *cfg_default(const char *key) {
char k[64];
snprintf(k, sizeof k, "%s", key);
const char *name = norm_key(k);
if (profile_of())
for (size_t i = 0; i < sizeof DECK / sizeof *DECK; i++)
if (!strcasecmp(DECK[i].key, name)) return DECK[i].value;
const CfgMeta *m = cfg_meta(key);
return m ? m->def : NULL;
}
const CfgMeta *cfg_meta_at(int i) { return i >= 0 && (size_t)i < sizeof metas / sizeof *metas ? &metas[i] : NULL; }
static const char *cfg_value_now(const char *name) {
const char *e = cfg_get_now(name);
if (e && *e) return e;
const CfgMeta *m = cfg_meta(name);
if (!m) rt_fatal("cfg: %s has no row in the settings table", name);
return m->def;
}
// Lookup memo. cfg_get reads the environment (getenv walks the whole block comparing names) and then the file's
// entries and the settings table by name, and several per-draw paths ask for live settings: on the replay thread those
// lookups were about a sixth of the samples in a play profile (ucrtbase's string routines). Each thread keeps the
// answers it got per name until the settings version changes (cfg_set, cfg_reset, cfg_load); values stay valid that
// long because a set keeps the old string for readers and a load bumps the version. NX2NAVI_CFG_MEMO=0 (environment
// only, read once) asks every time.
#define CFG_MEMO_N 256
typedef struct { unsigned ver; uint32_t h; uint8_t kind; char name[55]; const char *v; } CfgMemo;
static _Thread_local CfgMemo cfg_memo[CFG_MEMO_N];
static int cfg_memo_on = -1;
static const char *cfg_memo_get(const char *name, int kind) {
if (cfg_memo_on < 0) {
const char *e = getenv(PREFIX "CFG_MEMO");
cfg_memo_on = !(e && !strcmp(e, "0"));
}
size_t len = strlen(name);
if (!cfg_memo_on || len >= sizeof cfg_memo[0].name) return kind ? cfg_value_now(name) : cfg_get_now(name);
uint32_t h = 2166136261u;
for (size_t i = 0; i < len; i++) h = (h ^ (uint8_t)name[i]) * 16777619u;
h = h * 2 + (uint32_t)kind;
CfgMemo *m = &cfg_memo[h % CFG_MEMO_N];
unsigned ver = __atomic_load_n(&version, __ATOMIC_ACQUIRE) + 1; // 0 marks an empty slot
if (m->ver == ver && m->h == h && m->kind == kind && !memcmp(m->name, name, len + 1)) return m->v;
const char *v = kind ? cfg_value_now(name) : cfg_get_now(name); // read after ver: a change meanwhile misses next time
m->ver = ver, m->h = h, m->kind = (uint8_t)kind, m->v = v;
memcpy(m->name, name, len + 1);
return v;
}
const char *cfg_get(const char *name) { return cfg_memo_get(name, 0); }
const char *cfg_value(const char *name) { return cfg_memo_get(name, 1); }
// The row's default as a number, for a set value that does not parse.
static double default_number(const char *name) {
return strtod(cfg_meta(name)->def, NULL);
}
double cfg_double(const char *name) {
const char *v = cfg_value(name);
char *end;
double d = strtod(v, &end);
return end == v || *end || d != d ? default_number(name) : d;
}
int cfg_int(const char *name) {
const char *v = cfg_value(name);
char *end;
long l = strtol(v, &end, 10);
return end == v || *end ? (int)default_number(name) : (int)l;
}
int cfg_bool(const char *name) { return strcmp(cfg_value(name), "0") != 0; }
// ---- cfg_save: the file as lines, each with its line ending
typedef struct { const char *s; size_t n; } Line; // n includes the '\n' (and '\r') when present
static int line_count(const char *p, size_t size) {
int n = 0;
for (size_t i = 0; i < size; i++) n += p[i] == '\n';
return n + 1;
}
// The line's text without its ending, BOM and surrounding blanks, into out.
static void line_text(const Line *l, int first, char *out, size_t cap) {
size_t n = l->n;
const char *s = l->s;
if (first && n >= 3 && !memcmp(s, "\xEF\xBB\xBF", 3)) s += 3, n -= 3;
while (n && (s[n - 1] == '\n' || s[n - 1] == '\r')) n--;
if (n >= cap) n = cap - 1;
memcpy(out, s, n);
out[n] = 0;
char *t = trim(out);
memmove(out, t, strlen(t) + 1);
}
// The key of a "key = value" line (comment = 0) or of a commented "# key = value" line (comment = 1), normalised,
// into key; 0 when the line is not one.
static int line_key(const char *text, int comment, char *key, size_t cap) {
if (comment) {
if (*text != '#' && *text != ';') return 0;
text++;
while (*text == ' ' || *text == '\t') text++;
}
if (!*text || *text == '#' || *text == ';' || *text == '[') return 0;
const char *eq = strchr(text, '=');
if (!eq) return 0;
size_t n = (size_t)(eq - text);
while (n && (text[n - 1] == ' ' || text[n - 1] == '\t')) n--;
if (!n || n >= cap) return 0;
for (size_t i = 0; i < n; i++)
if (!isalnum((unsigned char)text[i]) && text[i] != '_') return 0;
char tmp[128];
memcpy(tmp, text, n);
tmp[n] = 0;
snprintf(key, cap, "%s", norm_key(tmp));
return 1;
}
// The section name of a "[name]" line, lower-case, into out; 0 when the line is not one.
static int line_section(const char *text, char *out, size_t cap) {
if (*text != '[') return 0;
const char *e = strchr(text, ']');
if (!e) return 0;
char tmp[128];
size_t n = (size_t)(e - text - 1);
if (n >= sizeof tmp) n = sizeof tmp - 1;
memcpy(tmp, text + 1, n);
tmp[n] = 0;
snprintf(out, cap, "%s", trim(tmp));
for (char *p = out; *p; p++) *p = (char)tolower((unsigned char)*p);
return 1;
}
typedef struct { char *buf; size_t n, cap; } Out;
static void put(Out *o, const char *s, size_t n) {
if (o->n + n + 1 > o->cap) {
o->cap = (o->n + n + 1) * 2;
o->buf = realloc(o->buf, o->cap);
if (!o->buf) rt_fatal("cfg: out of memory writing nx2navi.ini");
}
memcpy(o->buf + o->n, s, n);
o->n += n;
}
static void puts_(Out *o, const char *s) { put(o, s, strlen(s)); }
static const char *section_of(const char *key) {
for (size_t i = 0; i < sizeof sections / sizeof *sections; i++)
if (!strcmp(sections[i].key, key)) return sections[i].section;
if (!strncmp(key, "CHEAT_", 6)) return "cheats"; // cheats.c: one key per cheat of the cheat file
return NULL;
}
// A value as cfg_load reads it back: quoted when it starts or ends with a blank (cfg_load trims those) or is itself
// quoted (cfg_load takes one pair of quotes off). A mod's folder name in mods_order can start with a space.
static void put_value(Out *o, const char *v) {
size_t n = strlen(v);
int quote = n && (v[0] == ' ' || v[0] == '\t' || v[n - 1] == ' ' || v[n - 1] == '\t' ||
(n >= 2 && v[0] == '"' && v[n - 1] == '"'));
if (quote) puts_(o, "\"");
puts_(o, v);
if (quote) puts_(o, "\"");
}
// "key = value" + eol for entry e (key lower-case)
static void put_entry(Out *o, const CfgEntry *e, const char *eol) {
char k[64];
snprintf(k, sizeof k, "%s", e->key);
for (char *p = k; *p; p++) *p = (char)tolower((unsigned char)*p);
puts_(o, k);
puts_(o, " = ");
put_value(o, e->value);
puts_(o, eol);
}
int cfg_save_to(const char *path) {
plat_mutex_lock(&set_lock);
int n = n_entries, any = 0;
for (int i = 0; i < n; i++) any |= entries[i].dirty | entries[i].removed;
if (!any) {
__atomic_store_n(&save_ok, 1, __ATOMIC_RELEASE);
plat_mutex_unlock(&set_lock);
return 1;
}
uint64_t size = 0;
uint8_t *data = plat_file_read(path, &size);
if (!data && plat_file_exists(path) && plat_file_size(path) != 0) {
// the file is there but unreadable (locked, transient error): rebuilding it from nothing would lose its lines
rt_log("cfg: cannot read %s, nothing written", path);
__atomic_store_n(&save_ok, 0, __ATOMIC_RELEASE);
plat_mutex_unlock(&set_lock);
return 0;
}
const char *text = data ? (const char *)data : "";
int nl = data ? line_count(text, size) : 0;
Line *lines = calloc((size_t)nl + 1, sizeof *lines);
// after[i]: entries to write after line i (-1 = none); replace[i]: the entry whose value line i now carries
int *replace = malloc(sizeof(int) * ((size_t)nl + 1)), *after_key = malloc(sizeof(int) * (size_t)(n + 1));
char *drop = calloc((size_t)nl + 1, 1); // lines of a reset key
if (!lines || !replace || !after_key || !drop) rt_fatal("cfg: out of memory writing nx2navi.ini");
for (int i = 0, at = 0; i < nl; i++) {
size_t start = (size_t)at;
while ((uint64_t)at < size && text[at] != '\n') at++;
if ((uint64_t)at < size) at++;
lines[i] = (Line){text + start, (size_t)at - start};
replace[i] = -1;
}
if (nl && !lines[nl - 1].n) nl--; // the text ended with a newline: no last empty line
const char *eol = data && strstr(text, "\r\n") ? "\r\n" : "\n";
char t[1024], k[128], sec[128];
for (int e = 0; e < n; e++) {
after_key[e] = -2; // -2 clean, -1 append in a new section at the end, >= 0 insert after that line
if (entries[e].removed)
for (int i = 0; i < nl; i++) {
line_text(&lines[i], i == 0, t, sizeof t);
if (line_key(t, 0, k, sizeof k) && !strcmp(k, entries[e].key)) drop[i] = 1;
}
if (!entries[e].dirty) continue;
int last = -1;
for (int i = 0; i < nl; i++) {
line_text(&lines[i], i == 0, t, sizeof t);
if (line_key(t, 0, k, sizeof k) && !strcmp(k, entries[e].key)) last = i;
}
if (last >= 0) {
replace[last] = e;
continue;
}
const char *want = section_of(entries[e].key);
int in = 0, example = -1, tail = -1;
for (int i = 0; i < nl && want; i++) {
line_text(&lines[i], i == 0, t, sizeof t);
if (line_section(t, sec, sizeof sec)) {
in = !strcmp(sec, want);
if (in) tail = i;
continue;
}
if (!in) continue;
if (*t) tail = i;
if (line_key(t, 1, k, sizeof k) && !strcmp(k, entries[e].key)) example = i;
}
after_key[e] = example >= 0 ? example : tail;
}
Out o = {0};
for (int i = 0; i < nl; i++) {
if (drop[i]) {
// the line leaves the file; keys inserted after it still need a line ending before them
} else if (replace[i] >= 0) {
// keep the line's indentation and key spelling, put the new value after " = "
const char *s = lines[i].s;
size_t len = lines[i].n;
if (i == 0 && len >= 3 && !memcmp(s, "\xEF\xBB\xBF", 3)) put(&o, s, 3), s += 3, len -= 3;
const char *eq = memchr(s, '=', len);
size_t kn = (size_t)(eq - s);
while (kn && (s[kn - 1] == ' ' || s[kn - 1] == '\t')) kn--;
put(&o, s, kn);
puts_(&o, " = ");
put_value(&o, entries[replace[i]].value);
int had_eol = len && s[len - 1] == '\n';
if (had_eol) puts_(&o, eol);
} else {
put(&o, lines[i].s, lines[i].n);
}
for (int e = 0; e < n; e++)
if (after_key[e] == i) {
if (o.n && o.buf[o.n - 1] != '\n') puts_(&o, eol);
put_entry(&o, &entries[e], eol);
}
}
// keys whose section the file lacks: one new section each, at the end
for (int e = 0; e < n; e++) {
if (after_key[e] != -1) continue;
const char *want = section_of(entries[e].key);
if (o.n && o.buf[o.n - 1] != '\n') puts_(&o, eol);
if (want) {
if (o.n) puts_(&o, eol);
puts_(&o, "[");
puts_(&o, want);
puts_(&o, "]");
puts_(&o, eol);
}
put_entry(&o, &entries[e], eol);
// the following keys of the same new section go right after this one
for (int f = e + 1; f < n && want; f++)
if (after_key[f] == -1 && section_of(entries[f].key) && !strcmp(section_of(entries[f].key), want)) {
put_entry(&o, &entries[f], eol);
after_key[f] = -3;
}
}
int ok = plat_file_write_atomic(path, o.buf ? o.buf : "", o.n);
if (ok)
for (int e = 0; e < n; e++) entries[e].dirty = entries[e].removed = 0;
else
rt_log("cfg: cannot write %s", path);
__atomic_store_n(&save_ok, ok ? 1 : 0, __ATOMIC_RELEASE);
free(o.buf);
free(drop);
free(after_key);
free(replace);
free(lines);
free(data);
plat_mutex_unlock(&set_lock);
return ok;
}
static char ini_path[1024];
static int find_ini(void) {
if (ini_path[0]) return 1;
char path[1024];
if (!plat_exe_path(path, sizeof path)) return 0;
char *cut = plat_last_sep(path);
if (!cut) cut = strrchr(path, '/');
if (!cut || cut + 12 >= path + sizeof path) return 0; // room for "nx2navi.ini" and its NUL after the separator
strcpy(cut + 1, "nx2navi.ini");
snprintf(ini_path, sizeof ini_path, "%s", path);
return 1;
}
int cfg_save(void) {
if (find_ini()) return cfg_save_to(ini_path);
__atomic_store_n(&save_ok, 0, __ATOMIC_RELEASE);
return 0;
}
static void load_ini(void) {
if (!find_ini()) return;
if (!cfg_load(ini_path)) {
rt_log("cfg: no settings file at %s", ini_path);
return;
}
rt_log("cfg: read %s: %d keys", ini_path, n_entries);
for (int i = 0; i < n_entries; i++) {
char var[128];
snprintf(var, sizeof var, PREFIX "%s", entries[i].key);
if (getenv(var)) rt_log("cfg: %s is set in the environment and overrides nx2navi.ini", var);
}
}
void cfg_init(void) {
load_ini();
if (profile_of())
rt_log("cfg: device profile Steam Deck: defaults for the keys nx2navi.ini does not set (NX2NAVI_DEVICE_PROFILE=desktop "
"turns it off)");
}
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