// hook to autoexec.cfg. If you already have a cl_hook_gamestart_all hook, add
// the quoted command to your hook, separated with a semicolon:
//
-// exec input-demoseeking.cfg
+// exec demoseeking.cfg
// alias cl_hook_gamestart_all "demoseeking_game_started"
//
// Usage:
-// - start a demo (ply/playdemo command or menu)
-// - use ,. (comma and dot) keys to seek -5/+5 seconds
-// - use m/ (m and slash) keys to seek -30/+30 seconds, - (minus) also
-// works instead of slash
-// - or use the "seekdemo <seconds>" command directly
+// 1. start a demo (ply/playdemo command or menu), and
+// 2. while in a demo, use the "seekdemo <seconds>" command
//
-// Options (persisted):
+// Alternatively, use input-demoseeking.cfg instead to restore the default
+// bindings:
+//
+// * use ,. (comma and dot) keys to seek -5/+5 seconds
+// * use m/ (m and slash) keys to seek -30/+30 seconds
+// * - (minus) also works instead of slash
+//
+// Options:
+//
+// These options can be customized after "exec demoseeking.cfg".
//
// _demoseeking_min_speed
// Minimum seek speed. Default 1.5.
// much while seeking. If the framerate is still high while seeking, you
// may increase this, but increasing this with low framerate is unlikely to
// improve seek performance.
-// _demoseeking_bind_keys
-// Whether to set default seekdemo bindings listed under "Usage" above.
-// Default 1. Set to 0 to disable the bindings.
+// _demoseeking_speed_factor
+// Factor of remaining time to seek speed. Default 10.
+// The seek speed is defined by the formula
+//
+// 1.0 + [remaining seek seconds] * _demoseeking_speed_factor
+//
+// bound by _demoseeking_min_speed and _demoseeking_max_speed.
+// _demoseeking_fast_speed
+// Seek speed above which rendering is disabled. Default 80.
//
// Variables:
//
// - The alias seekdemo_getseektime can be used by scripts to get the current
// playback time or seek target time. See its usage below.
+// option initialization
+set _demoseeking_options_loaded 1
+set _demoseeking_min_speed 1.5
+set _demoseeking_max_speed 200
+set _demoseeking_fast_speed 80
+set _demoseeking_speed_factor 10
+
// state initialization
alias _demoseeking_init_vars "set _demoseeking_vars_loaded 1; set _demo_is_playing 0; set _current_demo_name \"\"; set _demoseeking_is_seeking 0; set _seekdemo_state idle; set _seekdemo_target 0; alias playdemo_hook \"\"; alias seekdemo_hook_seek_end"
alias _demoseeking_init_vars1 ""
_demoseeking_init_vars${_demoseeking_vars_loaded ?}
-// option initialization (persistent)
-alias _demoseeking_init_options "seta _demoseeking_options_loaded 1; seta _demoseeking_min_speed 1.5; seta _demoseeking_max_speed 200; seta _demoseeking_bind_keys 1"
-alias _demoseeking_init_options1 ""
-_demoseeking_init_options${_demoseeking_options_loaded ?}
-
// Hook into game start to reset seekdemo state. This prevents reloading the
// last demo when seekdemo is accidentally called during an actual game.
alias demoseeking_game_started "set _demo_is_playing 0; set _current_demo_name \"\""
// - Adjust the playback speed by setting the slowmo cvar. The further the seek, the faster the playback speed.
// - Compare the speed to different speed levels to maximize performance for long seeks while reducing screen flashes for short ones.
// Then continue the loop with "defer 0", so the check is run on every rendered frame.
-alias _seekdemo_check_continue_1 "set _seekdemo_speed_level failed; cl_cmd rpn _seekdemo_target time sub 10 mul _demoseeking_min_speed max _demoseeking_max_speed min dup /slowmo exch def dup 80 gt exch 2 gt add /_seekdemo_speed_level exch def; _seekdemo_set_options; defer 0 _seekdemo_check_time"
+alias _seekdemo_check_continue_1 "set _seekdemo_speed_level failed; cl_cmd rpn _seekdemo_target time sub _demoseeking_speed_factor 0.01 max mul 1 add _demoseeking_min_speed max _demoseeking_max_speed min dup /slowmo exch def dup _demoseeking_fast_speed gt exch 2 gt add /_seekdemo_speed_level exch def; _seekdemo_set_options; defer 0 _seekdemo_check_time"
alias _seekdemo_check_continue_failed "_seekdemo_failed \"(demo ended?)\""
alias _seekdemo_failed "_seekdemo_leave_seek; echo SEEK FAILED ${1 ?}"
alias _seekdemo_save_options "set _seekdemo_sav_cl_decals \"$cl_decals\"; set _seekdemo_sav_cl_damagetext \"$cl_damagetext\"; set _seekdemo_sav_cl_particles \"$cl_particles\"; set _seekdemo_sav_cl_casings \"$cl_casings\"; set _seekdemo_sav_slowmo \"$slowmo\""
alias _seekdemo_settemp_options "settemp cl_decals 0; settemp cl_damagetext 0; settemp cl_particles 0; settemp cl_casings 0"
alias _seekdemo_restore_options "settemp cl_decals \"$_seekdemo_sav_cl_decals\"; settemp cl_damagetext \"$_seekdemo_sav_cl_damagetext\"; settemp cl_particles \"$_seekdemo_sav_cl_particles\"; settemp cl_casings \"$_seekdemo_sav_cl_casings\""
-
-alias _demoseeking_bind_keys_0 ""
-alias _demoseeking_bind_keys_1 "bind , \"seekdemo -5\"; bind . \"seekdemo +5\"; bind m \"seekdemo -30\"; bind - \"seekdemo +30\"; bind / \"seekdemo +30\""
-_demoseeking_bind_keys_${_demoseeking_bind_keys ?}