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_GAME
  11 #define VG_STATIC static
  12 #define VG_FRAMEBUFFER_RESIZE 1
  13 #include "vg/vg.h"
  14 #include "submodules/anyascii/impl/c/anyascii.c"
  15
  16 #define RESET_MAX_TIME 45.0
  17
  18 enum menu_controller_type
  19 {
  20    k_menu_controller_type_keyboard,
  21    k_menu_controller_type_xbox,
  22    k_menu_controller_type_playstation,
  23    k_menu_controller_type_steam,
  24    k_menu_controller_type_steam_deck
  25 };
  26
  27 VG_STATIC enum menu_controller_type menu_display_controller;
  28 VG_STATIC float g_fov_option = 0.86f;
  29
  30 typedef struct ray_hit ray_hit;
  31 struct ray_hit
  32 {
  33    float dist;
  34    u32 *tri;
  35    v3f pos, normal;
  36 };
  37
  38 VG_STATIC int network_scores_updated = 0;
  39
  40 VG_STATIC u32 utf8_byte0_byte_count( u8 char0 )
  41 {
  42    for( u32 k=2; k<4; k++ )
  43    {
  44       if( !(char0 & (0x80 >> k)) )
  45          return k;
  46    }
  47
  48    return 0;
  49 }
  50
  51 VG_STATIC void str_utf8_collapse( const char *str, char *buf, u32 length )
  52 {
  53    u8 *ustr = (u8 *)str;
  54    u32 utf32_code = 0x00000000;
  55    u32 i=0, j=0, utf32_byte_ct=0;
  56
  57    for(;i < length-1;)
  58    {
  59       if( ustr[i] == 0x00 )
  60          break;
  61
  62       if( ustr[i] & 0x80 )
  63       {
  64          if( utf32_byte_ct )
  65          {
  66             utf32_byte_ct --;
  67             utf32_code |= (ustr[i] & 0x3F) << (utf32_byte_ct*6);
  68
  69             if( !utf32_byte_ct )
  70             {
  71                const char *match;
  72                size_t chars = anyascii( utf32_code, &match );
  73
  74                for( u32 k=0; k<VG_MIN(chars, length-1-j); k++ )
  75                {
  76                   buf[ j++ ] = (u8)match[k];
  77                }
  78             }
  79          }
  80          else
  81          {
  82             utf32_byte_ct = utf8_byte0_byte_count( ustr[i] )-1;
  83             utf32_code = ustr[i] & (0x3F >> utf32_byte_ct);
  84             utf32_code <<= utf32_byte_ct*6;
  85          }
  86       }
  87       else
  88       {
  89          utf32_byte_ct = 0x00;
  90          buf[j ++] = str[i];
  91       }
  92
  93       i++;
  94    }
  95
  96    buf[j] = 0x00;
  97 }
  98
  99 #endif /* COMMON_H */