Games/Quake/pr_comp.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 // this file is shared by quake and qcc
  22
  23 typedef int     func_t;
  24 typedef int     string_t;
  25
  26 typedef enum {ev_void, ev_string, ev_float, ev_vector, ev_entity, ev_field, ev_function, ev_pointer} etype_t;
  27
  28
  29 #define OFS_NULL                0
  30 #define OFS_RETURN              1
  31 #define OFS_PARM0               4               // leave 3 ofs for each parm to hold vectors
  32 #define OFS_PARM1               7
  33 #define OFS_PARM2               10
  34 #define OFS_PARM3               13
  35 #define OFS_PARM4               16
  36 #define OFS_PARM5               19
  37 #define OFS_PARM6               22
  38 #define OFS_PARM7               25
  39 #define RESERVED_OFS    28
  40
  41
  42 enum {
  43         OP_DONE,
  44         OP_MUL_F,
  45         OP_MUL_V,
  46         OP_MUL_FV,
  47         OP_MUL_VF,
  48         OP_DIV_F,
  49         OP_ADD_F,
  50         OP_ADD_V,
  51         OP_SUB_F,
  52         OP_SUB_V,
  53
  54         OP_EQ_F,
  55         OP_EQ_V,
  56         OP_EQ_S,
  57         OP_EQ_E,
  58         OP_EQ_FNC,
  59
  60         OP_NE_F,
  61         OP_NE_V,
  62         OP_NE_S,
  63         OP_NE_E,
  64         OP_NE_FNC,
  65
  66         OP_LE,
  67         OP_GE,
  68         OP_LT,
  69         OP_GT,
  70
  71         OP_LOAD_F,
  72         OP_LOAD_V,
  73         OP_LOAD_S,
  74         OP_LOAD_ENT,
  75         OP_LOAD_FLD,
  76         OP_LOAD_FNC,
  77
  78         OP_ADDRESS,
  79
  80         OP_STORE_F,
  81         OP_STORE_V,
  82         OP_STORE_S,
  83         OP_STORE_ENT,
  84         OP_STORE_FLD,
  85         OP_STORE_FNC,
  86
  87         OP_STOREP_F,
  88         OP_STOREP_V,
  89         OP_STOREP_S,
  90         OP_STOREP_ENT,
  91         OP_STOREP_FLD,
  92         OP_STOREP_FNC,
  93
  94         OP_RETURN,
  95         OP_NOT_F,
  96         OP_NOT_V,
  97         OP_NOT_S,
  98         OP_NOT_ENT,
  99         OP_NOT_FNC,
 100         OP_IF,
 101         OP_IFNOT,
 102         OP_CALL0,
 103         OP_CALL1,
 104         OP_CALL2,
 105         OP_CALL3,
 106         OP_CALL4,
 107         OP_CALL5,
 108         OP_CALL6,
 109         OP_CALL7,
 110         OP_CALL8,
 111         OP_STATE,
 112         OP_GOTO,
 113         OP_AND,
 114         OP_OR,
 115
 116         OP_BITAND,
 117         OP_BITOR
 118 };
 119
 120
 121 typedef struct statement_s
 122 {
 123         unsigned short  op;
 124         short   a,b,c;
 125 } dstatement_t;
 126
 127 typedef struct
 128 {
 129         unsigned short  type;           // if DEF_SAVEGLOBGAL bit is set
 130                                                                 // the variable needs to be saved in savegames
 131         unsigned short  ofs;
 132         int                     s_name;
 133 } ddef_t;
 134 #define DEF_SAVEGLOBAL  (1<<15)
 135
 136 #define MAX_PARMS       8
 137
 138 typedef struct
 139 {
 140         int             first_statement;        // negative numbers are builtins
 141         int             parm_start;
 142         int             locals;                         // total ints of parms + locals
 143
 144         int             profile;                // runtime
 145
 146         int             s_name;
 147         int             s_file;                 // source file defined in
 148
 149         int             numparms;
 150         byte    parm_size[MAX_PARMS];
 151 } dfunction_t;
 152
 153
 154 #define PROG_VERSION    6
 155 typedef struct
 156 {
 157         int             version;
 158         int             crc;                    // check of header file
 159
 160         int             ofs_statements;
 161         int             numstatements;  // statement 0 is an error
 162
 163         int             ofs_globaldefs;
 164         int             numglobaldefs;
 165
 166         int             ofs_fielddefs;
 167         int             numfielddefs;
 168
 169         int             ofs_functions;
 170         int             numfunctions;   // function 0 is an empty
 171
 172         int             ofs_strings;
 173         int             numstrings;             // first string is a null string
 174
 175         int             ofs_globals;
 176         int             numglobals;
 177
 178         int             entityfields;
 179 } dprograms_t;
 180