common.h

   1 /*
   2  * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef COMMON_H
   6 #define COMMON_H
   7
   8 #define VG_TIMESTEP_FIXED (1.0/60.0)
   9 #define VG_3D
  10 #define VG_FRAMEBUFFER_RESIZE 1
  11 #include "vg/vg.h"
  12 #include "anyascii/anyascii.h"
  13
  14 #define RESET_MAX_TIME 45.0
  15
  16 enum menu_controller_type
  17 {
  18    k_menu_controller_type_keyboard,
  19    k_menu_controller_type_xbox,
  20    k_menu_controller_type_playstation,
  21    k_menu_controller_type_steam,
  22    k_menu_controller_type_steam_deck
  23 };
  24
  25 VG_STATIC enum menu_controller_type menu_display_controller;
  26 VG_STATIC float g_fov_option = 0.86f;
  27
  28 typedef struct ray_hit ray_hit;
  29 struct ray_hit
  30 {
  31    float dist;
  32    u32 *tri;
  33    v3f pos, normal;
  34 };
  35
  36 VG_STATIC int network_scores_updated = 0;
  37
  38 VG_STATIC u32 utf8_byte0_byte_count( u8 char0 )
  39 {
  40    for( u32 k=2; k<4; k++ )
  41    {
  42       if( !(char0 & (0x80 >> k)) )
  43          return k;
  44    }
  45
  46    return 0;
  47 }
  48
  49 VG_STATIC void str_utf8_collapse( const char *str, char *buf, u32 length )
  50 {
  51    u8 *ustr = (u8 *)str;
  52    u32 utf32_code = 0x00000000;
  53    u32 i=0, j=0, utf32_byte_ct=0;
  54
  55    for(;i < length-1;)
  56    {
  57       if( ustr[i] == 0x00 )
  58          break;
  59
  60       if( ustr[i] & 0x80 )
  61       {
  62          if( utf32_byte_ct )
  63          {
  64             utf32_byte_ct --;
  65             utf32_code |= (ustr[i] & 0x3F) << (utf32_byte_ct*6);
  66
  67             if( !utf32_byte_ct )
  68             {
  69                const char *match;
  70                size_t chars = anyascii( utf32_code, &match );
  71
  72                for( u32 k=0; k<VG_MIN(chars, length-1-j); k++ )
  73                {
  74                   buf[ j++ ] = (u8)match[k];
  75                }
  76             }
  77          }
  78          else
  79          {
  80             utf32_byte_ct = utf8_byte0_byte_count( ustr[i] )-1;
  81             utf32_code = ustr[i] & (0x3F >> utf32_byte_ct);
  82             utf32_code <<= utf32_byte_ct*6;
  83          }
  84       }
  85       else
  86       {
  87          utf32_byte_ct = 0x00;
  88          buf[j ++] = str[i];
  89       }
  90
  91       i++;
  92    }
  93
  94    buf[j] = 0x00;
  95 }
  96
  97 #endif /* COMMON_H */