{$INCLUDE "options.inc"}
unit uCommands;
interface
var isDeveloperMode: boolean;
type TVariableType = (vtCommand, vtLongInt, vthwFloat, vtBoolean);
TCommandHandler = procedure (var params: shortstring);
procedure initModule;
procedure freeModule;
procedure RegisterVariable(Name: shortstring; VType: TVariableType; p: pointer; Trusted: boolean);
procedure ParseCommand(CmdStr: shortstring; TrustedSource: boolean);
procedure StopMessages(Message: Longword);
implementation
uses Types, uConsts, uVariables, uConsole, uUtils, uDebug;
type PVariable = ^TVariable;
TVariable = record
Next: PVariable;
Name: string[15];
VType: TVariableType;
Handler: pointer;
Trusted: boolean;
end;
var
Variables: PVariable;
procedure RegisterVariable(Name: shortstring; VType: TVariableType; p: pointer; Trusted: boolean);
var value: PVariable;
begin
New(value);
TryDo(value <> nil, 'RegisterVariable: value = nil', true);
FillChar(value^, sizeof(TVariable), 0);
value^.Name:= Name;
value^.VType:= VType;
value^.Handler:= p;
value^.Trusted:= Trusted;
if Variables = nil then Variables:= value
else begin
value^.Next:= Variables;
Variables:= value
end;
end;
procedure ParseCommand(CmdStr: shortstring; TrustedSource: boolean);
var ii: LongInt;
s: shortstring;
t: PVariable;
c: char;
begin
//WriteLnToConsole(CmdStr);
if CmdStr[0]=#0 then exit;
c:= CmdStr[1];
if c in ['/', '$'] then Delete(CmdStr, 1, 1) else c:= '/';
s:= '';
SplitBySpace(CmdStr, s);
{$IFDEF DEBUGFILE}AddFileLog('[Cmd] ' + c + CmdStr + ' (' + inttostr(length(CmdStr)) + ')');{$ENDIF}
t:= Variables;
while t <> nil do
begin
if t^.Name = CmdStr then
begin
if TrustedSource or t^.Trusted then
case t^.VType of
vtCommand: if c='/' then
begin
TCommandHandler(t^.Handler)(s);
end;
vtLongInt: if c='$' then
if s[0]=#0 then
begin
str(PLongInt(t^.Handler)^, s);
WriteLnToConsole('$' + CmdStr + ' is "' + s + '"');
end else val(s, PLongInt(t^.Handler)^);
vthwFloat: if c='$' then
if s[0]=#0 then
begin
//str(PhwFloat(t^.Handler)^:4:6, s);
WriteLnToConsole('$' + CmdStr + ' is "' + s + '"');
end else; //val(s, PhwFloat(t^.Handler)^, i);
vtBoolean: if c='$' then
if s[0]=#0 then
begin
str(ord(boolean(t^.Handler^)), s);
WriteLnToConsole('$' + CmdStr + ' is "' + s + '"');
end else
begin
val(s, ii);
boolean(t^.Handler^):= not (ii = 0)
end;
end;
exit
end else t:= t^.Next
end;
case c of
'$': WriteLnToConsole(errmsgUnknownVariable + ': "$' + CmdStr + '"')
else WriteLnToConsole(errmsgUnknownCommand + ': "/' + CmdStr + '"') end
end;
procedure StopMessages(Message: Longword);
begin
if (Message and gmLeft) <> 0 then ParseCommand('/-left', true) else
if (Message and gmRight) <> 0 then ParseCommand('/-right', true) else
if (Message and gmUp) <> 0 then ParseCommand('/-up', true) else
if (Message and gmDown) <> 0 then ParseCommand('/-down', true) else
if (Message and gmAttack) <> 0 then ParseCommand('/-attack', true)
end;
procedure initModule;
begin
Variables:= nil;
isDeveloperMode:= true;
end;
procedure freeModule;
var t, tt: PVariable;
begin
tt:= Variables;
Variables:= nil;
while tt <> nil do
begin
t:= tt;
tt:= tt^.Next;
Dispose(t)
end;
end;
end.