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raze/source/games/duke/src/gamedef.cpp
Christoph Oelckers 6b2fdf24fd - cleanup after removing EDukes's script code. 
# Conflicts:
#	source/games/duke/src/zz_game.cpp
#	source/games/duke/src/zz_gameexec.cpp
2020-06-21 23:07:46 +02:00

1760 lines
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//-------------------------------------------------------------------------
/*
Copyright (C) 1996, 2003 - 3D Realms Entertainment
Copyright (C) 2020 - Christoph Oelckers
This file is part of Enhanced Duke Nukem 3D version 1.5 - Atomic Edition
Duke Nukem 3D is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Original Source: 1996 - Todd Replogle
Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
EDuke enhancements integrated: 04/13/2003 - Matt Saettler
Note: This source file IS NOT USED in EDuke source. It has been split
into many sub-files.
*/
//-------------------------------------------------------------------------
#include "ns.h"
#include <string.h>
#include "concmd.h"
#include "cmdlib.h"
#include "memarena.h"
#include "printf.h"
#include "filesystem.h"
#include "mapinfo.h"
#include "menu.h"
#include "global.h"
#include "m_argv.h"
BEGIN_DUKE_NS
// parser state: todo: turn into a class
char* textptr;
char* label;
int line_number;
int labelcnt;
int errorcount, warningcount; // was named 'error' and 'warning' which is too generic for public variables and may clash with other code.
int g_currentSourceFile;
uint32_t parsing_actor, parsing_event;
int parsing_state;
int num_squigilly_brackets;
int checking_ifelse;
//G_EXTERN char tempbuf[MAXSECTORS << 1], buf[1024]; todo - move to compile state. tempbuf gets used nearly everywhere as scratchpad memory.
extern char tempbuf[];
extern intptr_t* scriptaddress;
extern int* labelcode;
extern intptr_t* apScript;
//---------------------------------------------------------------------------
//
// synthesize the instruction list
//
//---------------------------------------------------------------------------
#define cmd(a) { #a, concmd_ ## a },
#define cmdx(a, b) { b, concmd_ ## a },
#define cmda(a,b) { #a, concmd_ ## b },
struct ConCommand
{
char cmd[20]; // the longest instruction name is 'ifactornotstayput' at 17 characters so if this changes this field must be enlarged.
int instr;
};
static ConCommand cmdList[] =
{
#include "condef.h"
};
#undef cmd
#undef cmdx
#undef cmda
static int cmdCmp(const void *a, const void *b)
{
auto A = (ConCommand*)a;
auto B = (ConCommand*)b;
return strcmp(A->cmd, B->cmd);
}
void SortCommands()
{
qsort(cmdList, countof(cmdList), sizeof(ConCommand), cmdCmp);
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
#if 0
enum
{
ERROR_ISAKEYWORD = 1,
ERROR_PARMUNDEFINED,
WARNING_DUPLICATEDEFINITION,
ERROR_COULDNOTFIND,
ERROR_VARREADONLY,
ERROR_NOTAGAMEDEF,
ERROR_NOTAGAMEVAR,
ERROR_OPENBRACKET,
ERROR_CLOSEBRACKET,
ERROR_NOENDSWITCH
};
#endif
enum
{
ERROR_PARMUNDEFINED = 20,
};
void ReportError(int iError)
{
const char* fn = fileSystem.GetFileFullName(g_currentSourceFile);
switch (iError)
{
case ERROR_ISAKEYWORD:
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Symbol '%s' is a key word.\n",
fn, line_number, label + (labelcnt << 6));
break;
case ERROR_PARMUNDEFINED:
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Parameter '%s' is undefined.\n",
fn, line_number, tempbuf);
break;
case WARNING_DUPLICATEDEFINITION:
Printf(TEXTCOLOR_YELLOW " * WARNING.(%s, line %d) Duplicate definition '%s' ignored.\n",
fn, line_number, label + (labelcnt << 6));
break;
case ERROR_COULDNOTFIND:
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Could not find '%s'.\n",
fn, line_number, label + (labelcnt << 6));
break;
case ERROR_VARREADONLY:
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Variable '%s' is read-only.\n",
fn, line_number, label + (labelcnt << 6));
break;
case ERROR_NOTAGAMEDEF:
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Symbol '%s' is not a Game Definition.\n",
fn, line_number, label + (labelcnt << 6));
break;
case ERROR_NOTAGAMEVAR:
Printf(TEXTCOLOR_RED " * ERROR! (%s, line %d) Symbol '%s' is not a defined Game Variable.\n",
fn, line_number, label + (labelcnt << 6));
break;
case ERROR_OPENBRACKET:
Printf(TEXTCOLOR_RED " * ERROR! (%s, line %d) Found more '{' than '}' before '%s'.\n",
fn, line_number, tempbuf);
break;
case ERROR_CLOSEBRACKET:
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found more '}' than '{' before '%s'.\n",
fn, line_number, tempbuf);
break;
case ERROR_NOENDSWITCH:
Printf(TEXTCOLOR_RED " * ERROR!%s(%s, line %d) Did not find endswitch before '%s'.\n",
fn, line_number, tempbuf);
break;
}
}
//---------------------------------------------------------------------------
//
// binary search for keyword
//
//---------------------------------------------------------------------------
int getkeyword(const char* text)
{
ptrdiff_t min = 0;
ptrdiff_t max = countof(cmdList) - 1;
while (min <= max)
{
int mid = (min + max) >> 1;
const int comp = strcmp(text, cmdList[mid].cmd);
if (comp == 0)
{
return cmdList[mid].instr;
}
else if (comp > 0)
{
min = mid + 1;
}
else
{
max = mid - 1;
}
}
return -1;
}
//---------------------------------------------------------------------------
//
// label management
//
//---------------------------------------------------------------------------
int findlabel(const char* text)
{
for (int j = 0; j < labelcnt; j++)
{
if (strcmp(label + (j << 6), text) == 0)
{
return j;
}
}
return -1;
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
bool ispecial(char c)
{
if (c == 0x0a)
{
line_number++;
return true;
}
// oh joy - we need to skip some more characters here to allow running broken scripts.
if (c == ' ' || c == 0x0d || c == '(' || c == ')' || c == ',' || c == ';')
return true;
return false;
}
bool isaltok(char c)
{
// isalnum pukes on negative input.
return c > 0 && (isalnum(c) || c == '{' || c == '}' || c == '/' || c == '*' || c == '-' || c == '_' || c == '.');
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
void skiptoendofline()
{
while (*textptr != 0x0a && *textptr != 0x0d && *textptr != 0)
textptr++;
}
void skipwhitespace()
{
while (*textptr == ' ' || *textptr == '\t' || *textptr == '\r' || *textptr == '\n')
{
if (*textptr == '\n') line_number++;
textptr++;
}
}
void skipblockcomment()
{
while (*textptr != '*' || textptr[1] != '/')
{
if (*textptr == '\n') line_number++;
if (*textptr == 0) return; // reached the end of the file
textptr++;
}
textptr += 2;
}
bool skipcomments()
{
while (true)
{
skipwhitespace();
if (*textptr == '/' && textptr[1] == '/')
{
skiptoendofline();
continue;
}
if (*textptr == '/' && textptr[1] == '*')
{
skipblockcomment();
continue;
}
// stop if we got something else
// this line got added to skip over a stray semicolon in RR's COOT.CON.
if (ispecial(*textptr)) textptr++;
break;
}
return *textptr != 0;
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
int keyword(void)
{
int i;
const char* temptextptr;
skipcomments();
temptextptr = textptr;
while (isaltok(*temptextptr) == 0)
{
temptextptr++;
if (*temptextptr == 0)
return 0;
}
i = 0;
while (isaltok(*temptextptr))
{
tempbuf[i] = *(temptextptr++);
i++;
}
tempbuf[i] = 0;
return getkeyword(tempbuf);
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
void getlabel(void)
{
long i;
skipcomments();
while (isalnum(*textptr & 0xff) == 0)
{
if (*textptr == 0x0a) line_number++;
textptr++;
if (*textptr == 0)
return;
}
i = 0;
while (ispecial(*textptr) == 0)
label[(labelcnt << 6) + i++] = *(textptr++);
label[(labelcnt << 6) + i] = 0;
}
//---------------------------------------------------------------------------
//
// script buffer access wrappers. These are here to reduce the affected code
// when the time comes to refactor the buffer into a dynamic array.
//
//---------------------------------------------------------------------------
#if 0
static void setscriptvalue(int offset, int value)
{
script[offset] = value;
}
int scriptpos()
{
return script.Size();
}
static void appendscriptvalue(int value)
{
script.Push(value);
}
static int popscriptvalue()
{
int p;
script.Pop(p);
return p;
}
void pushlabeladdress()
{
labelcode.Push(script.Size());
}
void reservescriptspace(int space)
{
script.Reserve(space);
}
#else
// TRANSITIONAL Helpers to write to the old script buffer while using the new interface. Allows to test the parser before implementing the rest.
void scriptWriteValue(int32_t const value);
void scriptWriteAtOffset(int32_t const value, intptr_t addr);
void scriptWritePointer(intptr_t const value, intptr_t addr);
static void setscriptvalue(int offset, int value)
{
apScript[offset] = value;
}
static void appendscriptvalue(int value)
{
*scriptaddress++ = value;
}
static int popscriptvalue()
{
return *--scriptaddress;
}
int scriptpos()
{
return int(scriptaddress - apScript);
}
void appendlabeladdress(int offset = 0)
{
labelcode[labelcnt++] = int(scriptaddress - apScript) + offset;
labelcnt++;
}
void appendlabelvalue(int value)
{
labelcode[labelcnt++] = value;
labelcnt++;
}
void reservescriptspace(int space)
{
scriptaddress += space;
}
#endif
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
int transword(void) //Returns its code #
{
int i, l;
skipcomments();
while (isaltok(*textptr) == 0)
{
if (*textptr == 0x0a) line_number++;
if (*textptr == 0)
return -1;
textptr++;
}
l = 0;
while (isaltok(*(textptr + l)) && !(*(textptr + l) == '.'))
{
if (l < 31)
{
tempbuf[l] = textptr[l];
l++;
}
}
tempbuf[l] = 0;
i = getkeyword(tempbuf);
if (i >= 0)
{
appendscriptvalue(i);
textptr += l;
return i;
}
textptr += l;
const char* fn = fileSystem.GetFileFullName(g_currentSourceFile);
if (tempbuf[0] == '{' && tempbuf[1] != 0)
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Expecting a SPACE or CR between '{' and '%s'.\n", fn, line_number, tempbuf + 1);
else if (tempbuf[0] == '}' && tempbuf[1] != 0)
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Expecting a SPACE or CR between '}' and '%s'.\n", fn, line_number, tempbuf + 1);
else if (tempbuf[0] == '/' && tempbuf[1] == '/' && tempbuf[2] != 0)
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Expecting a SPACE between '//' and '%s'.\n", fn, line_number, tempbuf + 2);
else if (tempbuf[0] == '/' && tempbuf[1] == '*' && tempbuf[2] != 0)
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Expecting a SPACE between '/*' and '%s'.\n", fn, line_number, tempbuf + 2);
else if (tempbuf[0] == '*' && tempbuf[1] == '/' && tempbuf[2] != 0)
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Expecting a SPACE between '*/' and '%s'.\n", fn, line_number, tempbuf + 2);
else
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Keyword expected, got '%s'.\n", fn, line_number, tempbuf + 2);
errorcount++;
return -1;
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
int transnum(void)
{
int i, l;
while (isaltok(*textptr) == 0)
{
if (*textptr == 0x0a) line_number++;
textptr++;
if (*textptr == 0)
return 0;
}
l = 0;
while (isaltok(*(textptr + l)))
{
if (l < 31)
{
tempbuf[l] = textptr[l];
l++;
}
}
tempbuf[l] = 0;
if (getkeyword(tempbuf) >= 0)
{
errorcount++;
ReportError(ERROR_ISAKEYWORD);
textptr += l;
}
for (i = 0; i < labelcnt; i++)
{
if (strcmp(tempbuf, label + (i << 6)) == 0)
{
appendscriptvalue(labelcode[i]);
textptr += l;
return labelcode[i];
}
}
if (isdigit(*textptr) == 0 && *textptr != '-')
{
ReportError(ERROR_PARMUNDEFINED);
errorcount++;
textptr += l;
#ifdef FOR_LATER
if (GetDefID(tempbuf) >= 0)
{
Printf(TEXTCOLOR_ORANGE " Game Variable not expected\n");
}
#endif
return 0;
}
// Now it's getting nasty... With all of C's integer conversion functions we have to look for undefined behavior and truncation problems. This one's the least problematic approach
// that ignores octal conversion.
int64_t value;
char *outp;
bool ishex = (textptr[0] == 0 && tolower(textptr[1]) == 'x') || (textptr[0] == '-' && textptr[1] == 0 && tolower(textptr[2]) == 'x');
if (*textptr == '-') value = strtoll(textptr, &outp, ishex? 16 : 10);
else value = strtoull(textptr, &outp, ishex ? 16 : 10);
if (*outp != 0)
{
// conversion was not successful.
}
appendscriptvalue(int(value)); // truncate the parsed value to 32 bit.
textptr += l;
return int(value);
}
//---------------------------------------------------------------------------
//
// just to reduce some excessive boilerplate. This block reappeared
// endlessly in parsecommand
//
//---------------------------------------------------------------------------
void checkforkeyword()
{
if (getkeyword(label + (labelcnt << 6)) >= 0)
{
errorcount++;
ReportError(ERROR_ISAKEYWORD);
}
}
//---------------------------------------------------------------------------
//
//
//
//---------------------------------------------------------------------------
static TArray<char> parsebuffer; // global so that the storage is persistent across calls.
int parsecommand()
{
const char* fn = fileSystem.GetFileFullName(g_currentSourceFile);
int i, j, k;
int tempscrptr;
uint8_t done, temp_ifelse_check;// , tw;
int temp_line_number;
int temp_current_file;
int lnum;
// Do not count warnings here and allow more errors before bailing out.
if ((errorcount) > 64 || (*textptr == '\0') || (*(textptr + 1) == '\0')) return 1;
int tw = transword();
switch (tw)
{
default:
case -1:
return 0; //End
case concmd_state:
if (parsing_actor == 0 && parsing_state == 0)
{
getlabel();
popscriptvalue();
appendlabeladdress();
parsing_state = 1;
return 0;
}
getlabel();
checkforkeyword();
lnum = findlabel(label + (labelcnt << 6));
if (lnum < 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) State '%s' not found.\n", fn, line_number, label + (labelcnt << 6));
errorcount++;
}
appendscriptvalue(labelcode[lnum]);
return 0;
case concmd_ends:
if (parsing_state == 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'ends' with no 'state'.\n", fn, line_number);
errorcount++;
}
// else
{
if (num_squigilly_brackets > 0)
{
ReportError(ERROR_OPENBRACKET);
errorcount++;
}
if (num_squigilly_brackets < 0)
{
ReportError(ERROR_CLOSEBRACKET);
errorcount++;
}
parsing_state = 0;
}
return 0;
case concmd_gamevar:
// syntax: gamevar <var1> <initial value> <flags>
// defines var1 and sets initial value.
// flags are used to define usage
// (see top of this files for flags)
getlabel(); //GetGameVarLabel();
// Check to see it's already defined
popscriptvalue();
if (getkeyword(label + (labelcnt << 6)) >= 0)
{
errorcount++;
ReportError(ERROR_ISAKEYWORD);
return 0;
}
transnum(); // get initial value
j = popscriptvalue();
transnum(); // get flags
lnum = popscriptvalue();
AddGameVar(label + (labelcnt << 6), j, lnum & (~(GAMEVAR_FLAG_DEFAULT | GAMEVAR_FLAG_SECRET)));
return 0;
case concmd_define:
getlabel();
checkforkeyword();
lnum = findlabel(label + (labelcnt << 6));
if (lnum >= 0)
{
warningcount++;
ReportError(WARNING_DUPLICATEDEFINITION);
break;
}
transnum();
i = popscriptvalue();
if (lnum < 0)
{
appendlabelvalue(i);
}
popscriptvalue();
return 0;
case concmd_palfrom:
for (j = 0; j < 4; j++)
{
if (keyword() == -1)
transnum();
else break;
}
while (j < 4)
{
appendscriptvalue(0);
j++;
}
return 0;
case concmd_move:
if (parsing_actor || parsing_state)
{
transnum();
j = 0;
while (keyword() == -1)
{
transnum();
popscriptvalue();
j |= *scriptaddress;
}
appendscriptvalue(j);
}
else
{
popscriptvalue();
getlabel();
// Check to see it's already defined
checkforkeyword();
for (i = 0; i < labelcnt; i++)
if (strcmp(label + (labelcnt << 6), label + (i << 6)) == 0)
{
warningcount++;
Printf(TEXTCOLOR_RED " * WARNING.(%s, line %d) Duplicate move '%s' ignored.\n", fn, line_number, label + (labelcnt << 6));
break;
}
if (i == labelcnt)
appendlabeladdress();
for (j = 0; j < 2; j++)
{
if (keyword() >= 0) break;
transnum();
}
for (k = j; k < 2; k++)
{
appendscriptvalue(0);
}
}
return 0;
case concmd_music:
{
popscriptvalue();
transnum(); // Volume Number (0/4)
popscriptvalue();
k = *scriptaddress - 1;
if (k == -1) k = MAXVOLUMES;
if (k >= 0) // if it's background music
{
i = 0;
// get the file name...
while (keyword() == -1)
{
while (isaltok(*textptr) == 0)
{
if (*textptr == 0x0a) line_number++;
textptr++;
if (*textptr == 0) break;
}
j = 0;
parsebuffer.Clear();
while (isaltok(*(textptr + j)))
{
parsebuffer.Push(textptr[j]);
j++;
}
parsebuffer.Push(0);
mapList[(MAXLEVELS * k) + i].music = parsebuffer.Data();
textptr += j;
if (i > MAXLEVELS) break;
i++;
}
}
return 0;
}
case concmd_include:
{
popscriptvalue();
skipcomments();
parsebuffer.Clear();
while (isaltok(*textptr) == 0)
{
if (*textptr == 0x0a) line_number++;
textptr++;
if (*textptr == 0) break;
}
j = 0;
while (isaltok(*textptr))
{
parsebuffer.Push(*(textptr++));
j++;
}
parsebuffer.Push(0);
auto fni = fileSystem.FindFile(parsebuffer.Data());
if (fni < 0)
{
errorcount++;
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Could not find '%s'.\n", fn, line_number, parsebuffer.Data());
ReportError(ERROR_COULDNOTFIND);
return 0;
}
auto data = fileSystem.GetFileData(fni, 1);
temp_current_file = g_currentSourceFile;
g_currentSourceFile = fni;
temp_line_number = line_number;
line_number = 1;
temp_ifelse_check = checking_ifelse;
checking_ifelse = 0;
auto origtptr = textptr;
textptr = (char*)data.Data();
do
done = parsecommand();
while (done == 0);
textptr = origtptr;
line_number = temp_line_number;
checking_ifelse = temp_ifelse_check;
g_currentSourceFile = temp_current_file;
if (*textptr == '"') textptr++; // needed for RR.
return 0;
}
case concmd_ai:
if (parsing_actor || parsing_state)
transnum();
else
{
popscriptvalue();
getlabel();
checkforkeyword();
lnum = findlabel(label + (labelcnt << 6));
if (lnum >= 0)
{
warningcount++;
Printf(TEXTCOLOR_RED " * WARNING.(%s, line %d) Duplicate ai '%s' ignored.\n", fn, line_number, label + (labelcnt << 6));
}
else appendlabeladdress();
for (j = 0; j < 3; j++)
{
if (keyword() >= 0) break;
if (j == 2)
{
k = 0;
while (keyword() == -1)
{
transnum();
k |= popscriptvalue();
}
appendscriptvalue(k);
return 0;
}
else transnum();
}
for (k = j; k < 3; k++)
{
appendscriptvalue(0);
}
}
return 0;
case concmd_action:
if (parsing_actor || parsing_state)
transnum();
else
{
popscriptvalue();
getlabel();
checkforkeyword();
lnum = findlabel(label + (labelcnt << 6));
if (lnum >= 0)
{
warningcount++;
Printf(TEXTCOLOR_RED " * WARNING.(%s, line %d) Duplicate event '%s' ignored.\n", fn, line_number, label + (labelcnt << 6));
}
else appendlabeladdress();
for (j = 0; j < 5; j++)
{
if (keyword() >= 0) break;
transnum();
}
for (k = j; k < 5; k++)
{
appendscriptvalue(0);
}
}
return 0;
case concmd_actor:
case concmd_useractor: // merged with 'actor' because the code is identical except for the added type parameter.
{
if (parsing_state)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'actor' within 'state'.\n", fn, line_number);
errorcount++;
}
if (parsing_actor)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'actor' within 'actor'.\n", fn, line_number);
errorcount++;
}
num_squigilly_brackets = 0;
popscriptvalue();
parsing_actor = scriptpos();
if (tw == concmd_useractor)
{
transnum();
j = popscriptvalue();
}
transnum();
lnum = popscriptvalue();
actorinfo[lnum].scriptaddress = parsing_actor; // TRANSITIONAL should only store an index
if (tw == concmd_useractor)
{
if (j & 1)
actorinfo[lnum].flags |= SFLAG_BADGUY;
if (j & 2)
actorinfo[lnum].flags |= (SFLAG_BADGUY | SFLAG_BADGUYSTAYPUT);
}
for (j = 0; j < 4; j++)
{
setscriptvalue(parsing_actor + j, 0);
if (j == 3)
{
j = 0;
while (keyword() == -1)
{
transnum();
j |= popscriptvalue();
}
appendscriptvalue(j);
break;
}
else
{
if (keyword() >= 0)
{
reservescriptspace(4 - j);
break;
}
transnum();
// This code was originally here but is a no-op, because both source and destination are the same here.
//*(parsing_actor + j) = *(scriptaddress - 1);
}
}
checking_ifelse = 0;
return 0;
}
case concmd_onevent:
if (parsing_state)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'onevent' within 'state'.\n", fn, line_number);
errorcount++;
}
if (parsing_actor)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'onevent' within 'actor'.\n", fn, line_number);
errorcount++;
}
num_squigilly_brackets = 0;
popscriptvalue();
parsing_event = parsing_actor = scriptpos();
transnum();
popscriptvalue();
j = *scriptaddress; // type of event
if (j< 0 || j> EVENT_MAXEVENT)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Invalid Event ID.\n", fn, line_number);
errorcount++;
return 0;
}
apScriptGameEvent[j] = parsing_event;
checking_ifelse = 0;
return 0;
case concmd_cstat:
transnum();
#if 0
// the following checks are being performed by EDuke32 and RedNukem - not sure if this really should be done.
// DukeGDX and RedneckGDX do not perform these checks. Code pasted here for making a decision later.
i = popscriptvalue();
if (i == 32767)
{
i = 32768;
Printf(TEXTCOLOR_RED " * WARNING!(%s, line %d) tried to set cstat 32767, using 32768 instead.\n", fn, line_number);
warningcount++;
}
else if ((i & 48) == 48)
{
Printf(TEXTCOLOR_RED " * WARNING!(%s, line %d) tried to set cstat %d, using %d instead.\n", fn, line_number, i, i ^ 48);
i ^= 48;
warningcount++;
}
appendscriptvalue(i);
#endif
return 0;
case concmd_sound:
case concmd_globalsound:
case concmd_soundonce:
case concmd_stopsound:
case concmd_lotsofglass:
case concmd_strength:
case concmd_shoot:
case concmd_addphealth:
case concmd_spawn:
case concmd_count:
case concmd_endofgame:
case concmd_spritepal:
case concmd_cactor:
case concmd_quote:
case concmd_money:
case concmd_addkills:
case concmd_debug:
case concmd_addstrength:
case concmd_cstator:
case concmd_mail:
case concmd_paper:
case concmd_sleeptime:
case concmd_clipdist:
case concmd_isdrunk:
case concmd_iseat:
case concmd_newpic:
transnum();
return 0;
case concmd_addammo:
case concmd_addweapon:
case concmd_sizeto:
case concmd_sizeat:
case concmd_debris:
case concmd_addinventory:
case concmd_guts:
transnum();
transnum();
return 0;
case concmd_hitradius:
transnum();
transnum();
transnum();
transnum();
transnum();
break;
case concmd_else:
if (checking_ifelse)
{
checking_ifelse--;
tempscrptr = scriptpos();
scriptaddress++; //Leave a spot for the fail location
parsecommand();
setscriptvalue(tempscrptr, scriptpos());
}
else
{
popscriptvalue();
warningcount++;
Printf(TEXTCOLOR_YELLOW " * WARNING.(%s, line %d) Found 'else' with no 'if', ignored.\n", fn, line_number);
}
return 0;
case concmd_setvar:
case concmd_addvar:
// syntax: [rand|add|set]var <var1> <const1>
// sets var1 to const1
// adds const1 to var1 (const1 can be negative...)
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
// Check to see if it's a keyword
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEDEF);
return 0;
}
if (aGameVars[i].dwFlags & GAMEVAR_FLAG_READONLY)
{
errorcount++;
ReportError(ERROR_VARREADONLY);
return 0;
}
appendscriptvalue(i); // the ID of the DEF (offset into array...)
transnum(); // the number to check against...
return 0;
case concmd_setvarvar:
case concmd_addvarvar:
// syntax: [add|set]varvar <var1> <var2>
// sets var1 = var2
// adds var1 and var2 with result in var1
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEDEF);
return 0;
}
if (aGameVars[i].dwFlags & GAMEVAR_FLAG_READONLY)
{
errorcount++;
ReportError(ERROR_VARREADONLY);
return 0;
}
appendscriptvalue(i); // the ID of the DEF (offset into array...)
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEDEF);
return 0;
}
appendscriptvalue(i); // the ID of the DEF (offset into array...)
return 0;
case concmd_ifvarvarg:
case concmd_ifvarvarl:
case concmd_ifvarvare:
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEDEF);
return 0;
}
appendscriptvalue(i); // the ID of the DEF (offset into array...)
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEDEF);
return 0;
}
appendscriptvalue(i); // the ID of the DEF (offset into array...)
goto if_common;
case concmd_ifvarl:
case concmd_ifvarg:
case concmd_ifvare:
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEVAR);
return 0;
}
appendscriptvalue(i); // the ID of the DEF (offset into array...)
transnum(); // the number to check against...
goto if_common;
case concmd_addlogvar:
// syntax: addlogvar <var>
appendscriptvalue(g_currentSourceFile);
appendscriptvalue(line_number);
// get the ID of the DEF
getlabel(); //GetGameVarLabel();
checkforkeyword();
i = GetDefID(label + (labelcnt << 6));
if (i < 0)
{ // not a defined DEF
errorcount++;
ReportError(ERROR_NOTAGAMEDEF);
return 0;
}
appendscriptvalue(i);
return 0;
case concmd_addlog:
// syntax: addlog
// source file.
appendscriptvalue(g_currentSourceFile);
// prints the line number in the log file.
appendscriptvalue(line_number);
return 0;
case concmd_ifp:
j = 0;
do
{
transnum();
popscriptvalue();
j |= *scriptaddress;
} while (keyword() == -1);
appendscriptvalue(j);
goto if_common;
case concmd_ifpinventory:
transnum();
case concmd_ifrnd:
case concmd_ifpdistl:
case concmd_ifpdistg:
case concmd_ifai:
case concmd_ifwasweapon:
case concmd_ifaction:
case concmd_ifactioncount:
case concmd_ifmove:
case concmd_ifcount:
case concmd_ifactor:
case concmd_ifstrength:
case concmd_ifspawnedby:
case concmd_ifgapzl:
case concmd_iffloordistl:
case concmd_ifceilingdistl:
// case 74:
case concmd_ifphealthl:
case concmd_ifspritepal:
case concmd_ifgotweaponce:
case concmd_ifangdiffl:
case concmd_ifactorhealthg:
case concmd_ifactorhealthl:
case concmd_ifsoundid:
case concmd_ifsounddist:
transnum();
case concmd_ifonwater:
case concmd_ifinwater:
case concmd_ifactornotstayput:
case concmd_ifcansee:
case concmd_ifhitweapon:
case concmd_ifsquished:
case concmd_ifdead:
case concmd_ifcanshoottarget:
case concmd_ifhitspace:
case concmd_ifoutside:
case concmd_ifmultiplayer:
case concmd_ifinspace:
case concmd_ifbulletnear:
case concmd_ifrespawn:
case concmd_ifinouterspace:
case concmd_ifnotmoving:
case concmd_ifawayfromwall:
case concmd_ifcanseetarget:
case concmd_ifnosounds:
case concmd_ifnocover:
case concmd_ifhittruck:
case concmd_iftipcow:
case concmd_ifonmud:
case concmd_ifcoop:
case concmd_ifmotofast:
case concmd_ifwind:
case concmd_ifonmoto:
case concmd_ifonboat:
case concmd_ifsizedown:
case concmd_ifplaybackon:
// case concmd_iffindnewspot: // RRDH
// case concmd_ifpupwind:
if_common: // this code is identical for all 'if...'instructions.
tempscrptr = scriptpos();
reservescriptspace(1); //Leave a spot for the fail location
skipcomments();
parsecommand();
setscriptvalue(tempscrptr, scriptpos());
if (keyword() == concmd_else) // only increment checking_ifelse if there actually is an else. Otherwise this would break the entire checking logic and render it non-functional
checking_ifelse++;
return 0;
case concmd_leftbrace:
num_squigilly_brackets++;
do
done = parsecommand();
while (done == 0);
return 0;
case concmd_rightbrace:
num_squigilly_brackets--;
if (num_squigilly_brackets < 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found more '}' than '{'.\n", fn, line_number);
errorcount++;
}
return 1;
case concmd_betaname:
popscriptvalue();
// not used anywhere, just parse over it.
skiptoendofline();
return 0;
case concmd_definevolumename:
popscriptvalue();
transnum();
popscriptvalue();
j = *scriptaddress;
while (*textptr == ' ' || *textptr == '\t') textptr++;
i = 0;
parsebuffer.Clear();
while (*textptr != 0x0a && *textptr != 0x0d && *textptr != 0) // JBF 20040127: end of file checked
{
parsebuffer.Push(*textptr);
textptr++, i++;
}
parsebuffer.Push(0);
gVolumeNames[j] = FStringTable::MakeMacro(parsebuffer.Data(), i);
return 0;
case concmd_defineskillname:
popscriptvalue();
transnum();
popscriptvalue();
j = *scriptaddress;
while (*textptr == ' ') textptr++;
i = 0;
parsebuffer.Clear();
while (*textptr != 0x0a && *textptr != 0x0d && *textptr != 0) // JBF 20040127: end of file checked
{
parsebuffer.Push(*textptr);
textptr++, i++;
}
parsebuffer.Push(0);
gSkillNames[j] = FStringTable::MakeMacro(parsebuffer.Data(), i);
return 0;
case concmd_definelevelname:
popscriptvalue();
transnum();
popscriptvalue();
j = *scriptaddress;
transnum();
popscriptvalue();
k = *scriptaddress;
while (*textptr == ' ') textptr++;
i = 0;
parsebuffer.Clear();
while (*textptr != ' ' && *textptr != 0x0a && *textptr != 0x0d && *textptr != 0) // JBF 20040127: end of file checked
{
parsebuffer.Push(*textptr);
textptr++, i++;
}
parsebuffer.Push(0);
mapList[j * MAXLEVELS + k].SetFileName(parsebuffer.Data());
while (*textptr == ' ') textptr++;
mapList[j * MAXLEVELS + k].parTime =
(((*(textptr + 0) - '0') * 10 + (*(textptr + 1) - '0')) * 26 * 60) +
(((*(textptr + 3) - '0') * 10 + (*(textptr + 4) - '0')) * 26);
textptr += 5;
while (*textptr == ' ') textptr++;
mapList[j * MAXLEVELS + k].designerTime =
(((*(textptr + 0) - '0') * 10 + (*(textptr + 1) - '0')) * 26 * 60) +
(((*(textptr + 3) - '0') * 10 + (*(textptr + 4) - '0')) * 26);
textptr += 5;
while (*textptr == ' ') textptr++;
i = 0;
parsebuffer.Clear();
while (*textptr != 0x0a && *textptr != 0x0d && *textptr != 0) // JBF 20040127: end of file checked
{
parsebuffer.Push(*textptr);
textptr++, i++;
}
parsebuffer.Push(0);
mapList[j * MAXLEVELS + k].name = parsebuffer.Data();
return 0;
case concmd_definequote:
popscriptvalue();
transnum();
k = *(scriptaddress - 1);
if (k >= MAXQUOTES)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Quote number exceeds limit of %d.\n", line_number, MAXQUOTES);
errorcount++;
}
popscriptvalue();
i = 0;
while (*textptr == ' ')
textptr++;
parsebuffer.Clear();
while (*textptr != 0x0a && *textptr != 0x0d && *textptr != 0) // JBF 20040127: end of file checked
{
parsebuffer.Push(*textptr);
textptr++, i++;
}
parsebuffer.Push(0);
quoteMgr.InitializeQuote(k, parsebuffer.Data(), true);
return 0;
case concmd_definesound:
{
popscriptvalue();
transnum();
k = *(scriptaddress - 1);
popscriptvalue();
i = 0;
while (*textptr == ' ')
textptr++;
parsebuffer.Clear();
while (*textptr != ' ' && *textptr != 0) // JBF 20040127: end of file checked
{
parsebuffer.Push(*textptr);
textptr++, i++;
}
parsebuffer.Push(0);
transnum();
int ps = *(scriptaddress - 1);
popscriptvalue();
transnum();
int pe = *(scriptaddress - 1);
popscriptvalue();
transnum();
int pr = *(scriptaddress - 1);
popscriptvalue();
transnum();
int m = *(scriptaddress - 1);
popscriptvalue();
transnum();
int vo = *(scriptaddress - 1);
popscriptvalue();
S_DefineSound(k, parsebuffer.Data(), ps, pe, pr, m, vo, 1.f);
return 0;
}
case concmd_endevent:
if (parsing_event == 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'endevent' without defining 'onevent'.\n", line_number);
errorcount++;
}
// else
{
if (num_squigilly_brackets > 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found more '{' than '}' before 'endevent'.\n", line_number);
errorcount++;
}
parsing_event = 0;
parsing_actor = 0;
}
return 0;
case concmd_enda:
if (parsing_actor == 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'enda' without defining 'actor'.\n", line_number);
errorcount++;
}
// else
{
if (num_squigilly_brackets > 0)
{
Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found more '{' than '}' before 'enda'.\n", line_number);
errorcount++;
}
parsing_actor = 0;
}
return 0;
case concmd_break:
case concmd_fall:
case concmd_tip:
// case 21:
case concmd_killit: //KILLIT
case concmd_resetactioncount:
case concmd_pstomp:
case concmd_resetplayer:
case concmd_resetcount:
case concmd_wackplayer:
case concmd_operate:
case concmd_respawnhitag:
case concmd_getlastpal:
case concmd_pkick:
case concmd_mikesnd:
case concmd_tossweapon:
case concmd_nullop:
case concmd_destroyit:
case concmd_larrybird:
case concmd_strafeleft:
case concmd_straferight:
case concmd_slapplayer:
//case 122:
case concmd_tearitup:
case concmd_smackbubba:
case concmd_soundtagonce:
case concmd_soundtag:
case concmd_smacksprite:
case concmd_fakebubba:
case concmd_mamatrigger:
case concmd_mamaspawn:
case concmd_mamaquake:
case concmd_mamaend:
case concmd_garybanjo:
case concmd_motoloopsnd:
case concmd_rndmove:
//case concmd_leavetrax: // RRDH
//case concmd_leavedroppings:
//case concmd_deploybias:
return 0;
case concmd_gamestartup:
{
auto parseone = []() { transnum(); return popscriptvalue(); };
ud.const_visibility = parseone();
impact_damage = parseone();
max_player_health = parseone();
max_armour_amount = parseone();
respawnactortime = parseone();
respawnitemtime = parseone();
dukefriction = parseone();
gc = parseone();
rpgblastradius = parseone();
pipebombblastradius = parseone();
shrinkerblastradius = parseone();
tripbombblastradius = parseone();
morterblastradius = parseone();
bouncemineblastradius = parseone();
seenineblastradius = parseone();
max_ammo_amount[1] = parseone();
max_ammo_amount[2] = parseone();
max_ammo_amount[3] = parseone();
max_ammo_amount[4] = parseone();
max_ammo_amount[5] = parseone();
max_ammo_amount[6] = parseone();
max_ammo_amount[7] = parseone();
max_ammo_amount[8] = parseone();
max_ammo_amount[9] = parseone();
max_ammo_amount[11] = parseone();
if (isRR()) max_ammo_amount[12] = parseone();
camerashitable = parseone();
numfreezebounces = parseone();
freezerhurtowner = parseone();
spriteqamount = clamp(parseone(), 0, 1024);
lasermode = parseone();
if (isRRRA())
{
max_ammo_amount[13] = parseone();
max_ammo_amount[14] = parseone();
max_ammo_amount[16] = parseone();
}
scriptaddress++;
}
return 0;
}
return 0;
}
//---------------------------------------------------------------------------
//
// split in two to allow multiple CON files.
//
//---------------------------------------------------------------------------
void compilecon(const char *filenam)
{
g_currentSourceFile = fileSystem.FindFile(filenam);
if (g_currentSourceFile < 0)
{
I_FatalError("%s: Missing con file(s).", filenam);
}
Printf("Compiling: '%s'.\n", filenam);
auto data = fileSystem.GetFileData(g_currentSourceFile, 1);
textptr = (char*)data.Data();
line_number = 1;
errorcount = warningcount = 0;
while (parsecommand() == 0);
if ((errorcount) > 64)
Printf(TEXTCOLOR_RED " * ERROR! Too many errors.");
else if (warningcount || errorcount)
Printf(TEXTCOLOR_ORANGE "Found %d warning(s), %d error(s).\n", warningcount, errorcount);
if (errorcount > 0) I_FatalError("Failed to compile %s", filenam);
}
//---------------------------------------------------------------------------
//
// why was this called loadefs?
//
//---------------------------------------------------------------------------
void loadcons(const char* filenam)
{
for (int i = 0; i < MAXTILES; i++)
{
memset(&actorinfo[i], 0, sizeof(actorinfo));
}
apScript = (intptr_t*)Xcalloc(1, g_scriptSize * sizeof(intptr_t));
labelcnt = 0;
SortCommands();
ClearGameEvents();
ClearGameVars();
AddSystemVars();
auto before = I_nsTime();
scriptaddress = apScript + 1;
compilecon(filenam); //Tokenize
if (userConfig.AddCons) for (FString& m : *userConfig.AddCons.get())
{
compilecon(filenam);
}
userConfig.AddCons.reset();
setscriptvalue(0, scriptpos());
if (errorcount)
{
I_FatalError("\nError in %s.", filenam);
}
else
{
auto after = I_nsTime();
Printf("Compilation time:%.2f ms, Code Size:%d bytes. %d labels. %d/%d Variables.\n", (after-before) / 1000000.,
((scriptaddress - apScript) << 2) - 4,
labelcnt,
0,//iGameVarCount,
MAXGAMEVARS
);
}
// These can only be retrieved AFTER loading the scripts.
InitGameVarPointers();
ResetSystemDefaults();
}
END_DUKE_NS
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