-/* Copyright (C) 2021-2023 Harry Godden (hgn) - All Rights Reserved */
+/* Copyright (C) 2021-2024 Harry Godden (hgn) - All Rights Reserved */
-/* TODO: String types using dynamic, vg_str! */
-
-#ifndef VG_CONSOLE_H
-#define VG_CONSOLE_H
-
-#ifndef VG_GAME
- #define VG_GAME
-#endif
-
-#include "vg_imgui.h"
-#include "vg_log.h"
-#include "vg_string.h"
+#pragma once
+#include "vg_platform.h"
#define VG_VAR_F32( NAME, ... ) \
{ u32 flags=0x00; __VA_ARGS__ ;\
typedef struct vg_var vg_var;
typedef struct vg_cmd vg_cmd;
-struct vg_console{
+struct vg_console
+{
struct vg_var{
void *data;
const char *name;
i32 enabled, cheats;
}
-static vg_console;
+extern vg_console;
-static void _vg_console_draw( void );
-void _vg_console_println( const char *str );
-static int _vg_console_list( int argc, char const *argv[] );
-static void _vg_console_init(void);
-static void _vg_console_write_persistent(void);
-static void _vg_console_free(void);
-static void vg_execute_console_input( const char *cmd, bool silent );
-
-/*
- * Console interface
- */
-static void console_history_get( char* buf, int entry_num );
-static int _vg_console_enabled(void);
-static void console_proc_key( SDL_Keysym ev );
-
-/*
- * Implementation
- */
-static int _vg_console_enabled(void){
- return vg_console.enabled;
-}
-
-static
void vg_console_reg_var( const char *alias, void *ptr, enum vg_var_dtype type,
- u32 flags )
-{
- if( vg_console.var_count > vg_list_size(vg_console.vars) )
- vg_fatal_error( "Too many vars registered" );
-
- vg_var *var = &vg_console.vars[ vg_console.var_count ++ ];
- var->name = alias;
- var->data = ptr;
- var->data_type = type;
- var->flags = flags;
+ u32 flags );
- vg_info( "Console variable '%s' registered\n", alias );
-}
-
-static
void vg_console_reg_cmd( const char *alias,
int (*function)(int argc, const char *argv[]),
- void (*poll_suggest)(int argc, const char *argv[]) )
-{
- if( vg_console.function_count > vg_list_size(vg_console.functions) )
- vg_fatal_error( "Too many functions registered" );
-
- vg_cmd *cmd = &vg_console.functions[ vg_console.function_count ++ ];
-
- cmd->function = function;
- cmd->poll_suggest = poll_suggest;
- cmd->name = alias;
-
- vg_info( "Console function '%s' registered\n", alias );
-}
-
-static int _vg_console_list( int argc, char const *argv[] ){
- for( int i=0; i<vg_console.function_count; i ++ ){
- struct vg_cmd *cmd = &vg_console.functions[ i ];
- vg_info( "* %s\n", cmd->name );
- }
-
- for( int i=0; i<vg_console.var_count; i ++ ){
- struct vg_var *cv = &vg_console.vars[ i ];
- vg_info( "%s %s\n",
- (const char *[]){ "i32","u32","f32","str" }[cv->data_type],
- cv->name );
- }
-
- return 0;
-}
-
-int _test_break( int argc, const char *argv[] ){
- vg_fatal_error( "Test crash from main, after loading (console)" );
- return 0;
-}
-
-int _vg_console_exec( int argc, const char *argv[] ){
- if( argc < 1 ) return 0;
-
- int silent=0;
- if( argc == 2 ) silent=1;
-
- char path[256];
- strcpy( path, "cfg/" );
- strncat( path, argv[0], 250 );
-
- FILE *fp = fopen( path, "r" );
- if( fp ){
- char line[256];
-
- while( fgets( line, sizeof( line ), fp ) ){
- line[ strcspn( line, "\r\n#" ) ] = 0x00;
-
- if( line[0] != 0x00 ){
- vg_execute_console_input( line, silent );
- }
- }
-
- fclose( fp );
- }
- else{
- vg_error( "Could not open '%s'\n", path );
- }
-
- return 0;
-}
-
-static void _vg_console_init(void){
- vg_console_reg_cmd( "list", _vg_console_list, NULL );
- vg_console_reg_cmd( "crash", _test_break, NULL );
- vg_console_reg_cmd( "exec", _vg_console_exec, NULL );
- vg_console_reg_var( "cheats", &vg_console.cheats, k_var_dtype_i32,
-#ifdef VG_DEVWINDOW
- VG_VAR_PERSISTENT
-#else
- 0
-#endif
- );
-}
-
-static void vg_console_load_autos(void){
- _vg_console_exec( 2, (const char *[]){ "auto.conf", "silent" } );
-}
-
-static void _vg_console_write_persistent(void){
- FILE *fp = fopen( "cfg/auto.conf", "w" );
-
- if( !fp ){
- vg_error( "Cannot open cfg/auto.conf\n" );
- return;
- }
-
- for( int i=0; i<vg_console.var_count; i ++ ){
- struct vg_var *cv = &vg_console.vars[i];
-
- if( cv->flags & VG_VAR_PERSISTENT ){
- if( cv->data_type == k_var_dtype_i32 ){
- fprintf( fp, "%s %d\n", cv->name, *(i32 *)(cv->data) );
- }
- else if( cv->data_type == k_var_dtype_u32 ){
- fprintf( fp, "%s %u\n", cv->name, *(u32 *)(cv->data) );
- }
- else if( cv->data_type == k_var_dtype_f32 ){
- fprintf( fp, "%s %.5f\n", cv->name, *(float *)(cv->data ) );
- }
- else if( cv->data_type == k_var_dtype_str ){
- vg_str *str = cv->data;
- if( str->buffer && (str->i > 0) )
- fprintf( fp, "%s %s\n", cv->name, str->buffer );
- }
- }
- }
-
- fclose( fp );
-}
-
-static void _vg_console_free(void)
-{
- _vg_console_write_persistent();
-}
-
-/*
- * splits src into tokens and fills out args as pointers to those tokens
- * returns number of tokens
- * dst must be as long as src
- */
-static int vg_console_tokenize( const char *src, char *dst,
- const char *args[8] )
-{
- int arg_count = 0,
- in_token = 0;
-
- for( int i=0;; i ++ ){
- if( src[i] ){
- if( src[i] == ' ' || src[i] == '\t' ){
- if( in_token )
- dst[i] = '\0';
-
- in_token = 0;
-
- if( arg_count == 8 )
- break;
- }
- else{
- dst[i] = src[i];
-
- if( !in_token ){
- args[ arg_count ++ ] = &dst[i];
- in_token = 1;
- }
- }
- }
- else{
- dst[i] = '\0';
- break;
- }
- }
-
- return arg_count;
-}
-
-static vg_var *vg_console_match_var( const char *kw )
-{
- for( int i=0; i<vg_console.var_count; i ++ ){
- struct vg_var *cv = &vg_console.vars[ i ];
- if( !strcmp( cv->name, kw ) ){
- return cv;
- }
- }
-
- return NULL;
-}
-
-static vg_cmd *vg_console_match_cmd( const char *kw )
-{
- for( int i=0; i<vg_console.function_count; i ++ ){
- struct vg_cmd *cmd = &vg_console.functions[ i ];
- if( !strcmp( cmd->name, kw ) ){
- return cmd;
- }
- }
-
- return NULL;
-}
-
-static void vg_execute_console_input( const char *cmd, bool silent ){
- char temp[512];
- char const *args[8];
- int arg_count = vg_console_tokenize( cmd, temp, args );
-
- if( arg_count == 0 )
- return;
-
- vg_var *cv = vg_console_match_var( args[0] );
- vg_cmd *fn = vg_console_match_cmd( args[0] );
-
- assert( !(cv && fn) );
-
- if( cv ){
- /* Cvar Matched, try get value */
- if( arg_count >= 2 ){
- if( cv->flags & VG_VAR_CHEAT ){
- if( !vg_console.cheats && !silent ){
- vg_error( "variable is cheat protected\n" );
- return;
- }
- }
-
- if( (cv->data_type == k_var_dtype_u32) ||
- (cv->data_type == k_var_dtype_i32) ){
- int *ptr = cv->data;
- *ptr = atoi( args[1] );
- }
- else if( cv->data_type == k_var_dtype_f32 ){
- float *ptr = cv->data;
- *ptr = atof( args[1] );
- }
- else if( cv->data_type == k_var_dtype_str ){
- vg_str *str = cv->data;
- vg_strfree( str );
- vg_strnull( str, NULL, -1 );
-
- for( int i=1; i<arg_count; i ++ ){
- vg_strcat( str, args[i] );
- if( i!=arg_count-1 ) vg_strcatch( str, ' ' );
- }
- }
- }
- else{
- if( cv->data_type == k_var_dtype_i32 )
- vg_info( "= %d\n", *((int *)cv->data) );
- else if( cv->data_type == k_var_dtype_u32 )
- vg_info( "= %u\n", *((u32 *)cv->data) );
- else if( cv->data_type == k_var_dtype_f32 )
- vg_info( "= %.4f\n", *((float *)cv->data) );
- else if( cv->data_type == k_var_dtype_str ){
- vg_str *str = cv->data;
- vg_info( "= '%s'\n", str->buffer );
- }
- }
-
- return;
- }
- else if( fn ){
- fn->function( arg_count-1, args+1 );
- return;
- }
-
- if( !silent )
- vg_error( "No command/var named '%s'. Use 'list' to view all\n",args[0]);
-}
-
-u32 str_lev_distance( const char *s1, const char *s2 ){
- u32 m = strlen( s1 ),
- n = strlen( s2 );
-
- if( m==0 ) return n;
- if( n==0 ) return m;
-
- assert( n+1 <= 256 );
-
- u32 costs[ 256 ];
-
- for( u32 k=0; k<=n; k++ )
- costs[k] = k;
-
- u32 i = 0;
- for( u32 i=0; i<m; i++ ){
- costs[0] = i+1;
-
- u32 corner = i;
-
- for( u32 j=0; j<n; j++ ){
- u32 upper = costs[j+1];
-
- if( s1[i] == s2[j] )
- costs[ j+1 ] = corner;
- else{
- u32 t = (upper < corner)? upper: corner;
- costs[j+1] = ((costs[j] < t)? costs[j]: t) + 1;
- }
-
- corner = upper;
- }
- }
-
- return costs[n];
-}
-
-u32 str_lcs( const char *s1, const char *s2 ){
- u32 m = VG_MIN( 31, strlen( s1 ) ),
- n = VG_MIN( 31, strlen( s2 ) );
-
- int suff[32][32],
- result = 0;
-
- for( int i=0; i<=m; i++ ){
- for( int j=0; j<=n; j++ ){
- if( i == 0 || j == 0 )
- suff[i][j] = 0;
- else if( s1[i-1] == s2[j-1] ){
- suff[i][j] = suff[i-1][j-1] + 1;
- result = VG_MAX( result, suff[i][j] );
- }
- else
- suff[i][j] = 0;
- }
- }
-
- return result;
-}
-
-/* str must not fuckoff ever! */
-static void console_suggest_score_text( const char *str, const char *input,
- int minscore )
-{
- /* filter duplicates */
- for( int i=0; i<vg_console.suggestion_count; i++ )
- if( !strcmp( vg_console.suggestions[i].str, str ) )
- return;
-
- /* calc score */
- u32 score = str_lcs( str, input );
-
- if( score < minscore )
- return;
-
- int best_pos = vg_console.suggestion_count;
- for( int j=best_pos-1; j>=0; j -- )
- if( score > vg_console.suggestions[j].lev_score )
- best_pos = j;
-
- /* insert if good score */
- if( best_pos < vg_list_size( vg_console.suggestions ) ){
- int start = VG_MIN( vg_console.suggestion_count,
- vg_list_size( vg_console.suggestions )-1 );
- for( int j=start; j>best_pos; j -- )
- vg_console.suggestions[j] = vg_console.suggestions[j-1];
-
- vg_console.suggestions[ best_pos ].str = str;
- vg_console.suggestions[ best_pos ].len = strlen( str );
- vg_console.suggestions[ best_pos ].lev_score = score;
-
- if( vg_console.suggestion_count <
- vg_list_size( vg_console.suggestions ) )
- vg_console.suggestion_count ++;
- }
-}
-
-static void console_update_suggestions(void)
-{
- if( vg_ui.focused_control_type != k_ui_control_textbox ||
- vg_ui.textbuf != vg_console.input )
- return;
-
- vg_console.suggestion_count = 0;
- vg_console.suggestion_select = -1;
- vg_console.suggestion_maxlen = 0;
-
- /*
- * - must be typing something
- * - must be at the end
- * - prev char must not be a whitespace
- * - cursors should match
- */
-
- if( vg_ui.textbox.cursor_pos == 0 ) return;
- if( vg_ui.textbox.cursor_pos != vg_ui.textbox.cursor_user ) return;
- if( vg_console.input[ vg_ui.textbox.cursor_pos ] != '\0' ) return;
-
- if( (vg_console.input[ vg_ui.textbox.cursor_pos -1 ] == ' ') ||
- (vg_console.input[ vg_ui.textbox.cursor_pos -1 ] == '\t') )
- return;
-
- char temp[128];
- const char *args[8];
-
- int token_count = vg_console_tokenize( vg_console.input, temp, args );
- if( !token_count ) return;
- vg_console.suggestion_pastepos = args[token_count-1]-temp;
-
- /* Score all our commands and cvars */
- if( token_count == 1 ){
- for( int i=0; i<vg_console.var_count; i++ ){
- vg_var *cvar = &vg_console.vars[i];
- console_suggest_score_text( cvar->name, args[0], 1 );
- }
-
- for( int i=0; i<vg_console.function_count; i++ ){
- vg_cmd *cmd = &vg_console.functions[i];
- console_suggest_score_text( cmd->name, args[0], 1 );
- }
- }
- else{
- vg_cmd *cmd = vg_console_match_cmd( args[0] );
- vg_var *var = vg_console_match_var( args[0] );
-
- assert( !( cmd && var ) );
-
- if( cmd )
- if( cmd->poll_suggest )
- cmd->poll_suggest( token_count-1, &args[1] );
- }
-
- /* some post processing */
- for( int i=0; i<vg_console.suggestion_count; i++ ){
- vg_console.suggestion_maxlen = VG_MAX( vg_console.suggestion_maxlen,
- vg_console.suggestions[i].len );
-
- if( vg_console.suggestions[i].lev_score <
- vg_console.suggestions[0].lev_score/2 )
- {
- vg_console.suggestion_count = i;
- return;
- }
- }
-}
-
-/*
- * Suggestion controls
- */
-static void _console_fetch_suggestion(void)
-{
- char *target = &vg_console.input[ vg_console.suggestion_pastepos ];
-
- if( vg_console.suggestion_select == -1 ){
- strcpy( target, vg_console.input_copy );
- _ui_textbox_move_cursor( &vg_ui.textbox.cursor_user,
- &vg_ui.textbox.cursor_pos, 10000, 1 );
- }
- else{
- strncpy( target,
- vg_console.suggestions[ vg_console.suggestion_select ].str,
- vg_list_size( vg_console.input )-1 );
-
- _ui_textbox_move_cursor( &vg_ui.textbox.cursor_user,
- &vg_ui.textbox.cursor_pos, 10000, 1 );
- _ui_textbox_put_char( ' ' );
- }
-}
-
-static void _console_suggest_store_normal(void)
-{
- if( vg_console.suggestion_select == -1 ){
- char *target = &vg_console.input[ vg_console.suggestion_pastepos ];
- strcpy( vg_console.input_copy, target );
- }
-}
-
-static void _console_suggest_next(void)
-{
- if( vg_console.suggestion_count ){
- _console_suggest_store_normal();
-
- vg_console.suggestion_select ++;
-
- if( vg_console.suggestion_select >= vg_console.suggestion_count )
- vg_console.suggestion_select = -1;
-
- _console_fetch_suggestion();
- }
-}
-
-static void _console_suggest_prev(void)
-{
- if( vg_console.suggestion_count ){
- _console_suggest_store_normal();
-
- vg_console.suggestion_select --;
-
- if( vg_console.suggestion_select < -1 )
- vg_console.suggestion_select = vg_console.suggestion_count-1;
-
- _console_fetch_suggestion();
- }
-}
-
-static void _vg_console_on_update( char *buf, u32 len )
-{
- if( buf == vg_console.input ){
- console_update_suggestions();
- }
-}
-
-static void console_history_get( char* buf, int entry_num )
-{
- if( !vg_console.history_count )
- return;
-
- int offset = VG_MIN( entry_num, vg_console.history_count -1 ),
- pick = (vg_console.history_last - offset) %
- vg_list_size( vg_console.history );
- strcpy( buf, vg_console.history[ pick ] );
-}
-
-static void _vg_console_on_up( char *buf, u32 len )
-{
- if( buf == vg_console.input ){
- vg_console.history_pos =
- VG_MAX
- (
- 0,
- VG_MIN
- (
- vg_console.history_pos+1,
- VG_MIN
- (
- vg_list_size( vg_console.history ),
- vg_console.history_count - 1
- )
- )
- );
-
- console_history_get( vg_console.input, vg_console.history_pos );
- _ui_textbox_move_cursor( &vg_ui.textbox.cursor_user,
- &vg_ui.textbox.cursor_pos,
- vg_list_size(vg_console.input)-1, 1);
- }
-}
-
-static void _vg_console_on_down( char *buf, u32 len )
-{
- if( buf == vg_console.input ){
- vg_console.history_pos = VG_MAX( 0, vg_console.history_pos-1 );
- console_history_get( vg_console.input, vg_console.history_pos );
-
- _ui_textbox_move_cursor( &vg_ui.textbox.cursor_user,
- &vg_ui.textbox.cursor_pos,
- vg_list_size(vg_console.input)-1, 1 );
- }
-}
-
-static void _vg_console_on_enter( char *buf, u32 len )
-{
- if( buf == vg_console.input ){
- if( !strlen( vg_console.input ) )
- return;
-
- vg_info( "%s\n", vg_console.input );
-
- if( strcmp( vg_console.input,
- vg_console.history[ vg_console.history_last ]) )
- {
- vg_console.history_last = ( vg_console.history_last + 1) %
- vg_list_size(vg_console.history );
- vg_console.history_count =
- VG_MIN( vg_list_size( vg_console.history ),
- vg_console.history_count + 1 );
- strcpy( vg_console.history[ vg_console.history_last ],
- vg_console.input );
- }
-
- vg_console.history_pos = -1;
- vg_execute_console_input( vg_console.input, 0 );
- _ui_textbox_move_cursor( &vg_ui.textbox.cursor_user,
- &vg_ui.textbox.cursor_pos, -10000, 1 );
-
- vg_console.input[0] = '\0';
- console_update_suggestions();
- }
-}
-
-static void _vg_console_draw(void)
-{
- if( !vg_console.enabled ) return;
-
- SDL_AtomicLock( &log_print_sl );
-
- int ptr = vg_log.log_line_current;
- int const fh = vg_ui.font->line_height, log_lines = 32;
- int console_lines = VG_MIN( log_lines, vg_log.log_line_count );
-
- ui_rect rect_log = { 0, 0, vg.window_x, log_lines*fh },
- rect_input = { 0, log_lines*fh + 1, vg.window_x, fh*2 },
- rect_line = { 0, 0, vg.window_x, fh };
-
- /*
- * log
- */
- u32 bg_colour = (ui_colour( k_ui_bg )&0x00ffffff)|0x9f000000;
-
- ui_fill( rect_log, bg_colour );
- rect_line[1] = rect_log[1]+rect_log[3]-fh;
-
- for( int i=0; i<console_lines; i ++ ){
- ptr --;
-
- if( ptr < 0 ) ptr = vg_list_size( vg_log.log )-1;
-
- ui_text( rect_line, vg_log.log[ptr], 1, k_ui_align_left, 0 );
- rect_line[1] -= fh;
- }
-
- /*
- * Input area
- */
-
- struct ui_textbox_callbacks callbacks = {
- .up = _vg_console_on_up,
- .down = _vg_console_on_down,
- .change = _vg_console_on_update,
- .enter = _vg_console_on_enter,
- };
- ui_textbox( rect_input, NULL,
- vg_console.input, vg_list_size(vg_console.input), 1,
- UI_TEXTBOX_AUTOFOCUS, &callbacks );
-
- /*
- * suggestions
- */
- if( vg_console.suggestion_count ){
- ui_rect rect_suggest;
- rect_copy( rect_input, rect_suggest );
-
- rect_suggest[0] += 6 + vg_ui.font->spacing*vg_console.suggestion_pastepos;
- rect_suggest[1] += rect_input[3];
- rect_suggest[2] = vg_ui.font->spacing * vg_console.suggestion_maxlen;
- rect_suggest[3] = vg_console.suggestion_count * fh;
-
- ui_fill( rect_suggest, bg_colour );
-
- rect_suggest[3] = fh;
-
- for( int i=0; i<vg_console.suggestion_count; i ++ ){
- u32 text_colour;
- if( i == vg_console.suggestion_select ){
- ui_fill( rect_suggest, ui_colour( k_ui_orange ) );
- text_colour = ui_colourcont( k_ui_orange );
- }
- else text_colour = ui_colourcont( k_ui_bg );
-
- ui_text( rect_suggest, vg_console.suggestions[i].str, 1,
- k_ui_align_left, text_colour );
-
- rect_suggest[1] += fh;
- }
- }
-
- SDL_AtomicUnlock( &log_print_sl );
-}
-
-
-#endif /* VG_CONSOLE_H */
+ void (*poll_suggest)(int argc, const char *argv[]) );
+void vg_console_load_autos(void);
+void vg_console_draw(void);
+void vg_console_init(void);
+int vg_console_exec( int argc, const char *argv[] );
+void vg_execute_console_input( const char *cmd, bool silent );
+static void vg_console_write_persistent(void);
+void console_suggest_score_text( const char *str, const char *input,
+ int minscore );
+vg_var *vg_console_match_var( const char *kw );
+vg_cmd *vg_console_match_cmd( const char *kw );
+static void console_suggest_next(void);
+static void console_suggest_prev(void);