(*
* Hedgewars, a worms-like game
* Copyright (c) 2004-2007 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program 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; version 2 of the License
*
* 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
*)
unit uConsole;
interface
uses SDLh, uFloat;
{$INCLUDE options.inc}
const isDeveloperMode: boolean = true;
type TVariableType = (vtCommand, vtLongInt, vthwFloat, vtBoolean);
TCommandHandler = procedure (var params: shortstring);
procedure DrawConsole(Surface: PSDL_Surface);
procedure WriteToConsole(s: shortstring);
procedure WriteLnToConsole(s: shortstring);
procedure KeyPressConsole(Key: Longword);
procedure ParseCommand(CmdStr: shortstring; TrustedSource: boolean);
function GetLastConsoleLine: shortstring;
implementation
{$J+}
uses uMisc, uStore, Types, uConsts, uGears, uTeams, uIO, uKeys, uWorld, uLand,
uRandom, uAmmos;
const cLineWidth: LongInt = 0;
cLinesCount = 256;
type PVariable = ^TVariable;
TVariable = record
Next: PVariable;
Name: string[15];
VType: TVariableType;
Handler: pointer;
Trusted: boolean;
end;
var ConsoleLines: array[byte] of ShortString;
CurrLine: LongInt = 0;
InputStr: shortstring;
Variables: PVariable = nil;
function RegisterVariable(Name: string; VType: TVariableType; p: pointer; Trusted: boolean): PVariable;
var Result: PVariable;
begin
New(Result);
TryDo(Result <> nil, 'RegisterVariable: Result = nil', true);
FillChar(Result^, sizeof(TVariable), 0);
Result^.Name:= Name;
Result^.VType:= VType;
Result^.Handler:= p;
Result^.Trusted:= Trusted;
if Variables = nil then Variables:= Result
else begin
Result^.Next:= Variables;
Variables:= Result
end;
RegisterVariable:= Result
end;
procedure FreeVariablesList;
var t, tt: PVariable;
begin
tt:= Variables;
Variables:= nil;
while tt <> nil do
begin
t:= tt;
tt:= tt^.Next;
Dispose(t)
end;
end;
procedure SplitBySpace(var a, b: shortstring);
var i, t: LongInt;
begin
i:= Pos(' ', a);
if i>0 then
begin
for t:= 1 to Pred(i) do
if (a[t] >= 'A')and(a[t] <= 'Z') then Inc(a[t], 32);
b:= copy(a, i + 1, Length(a) - i);
while (b[0]<>#0) and (b[1]=#32) do Delete(b, 1, 1);
byte(a[0]):= Pred(i)
end else b:= '';
end;
procedure DrawConsole(Surface: PSDL_Surface);
var x, y: LongInt;
r: TSDL_Rect;
begin
with r do
begin
x:= 0;
y:= cConsoleHeight;
w:= cScreenWidth;
h:= 4;
end;
SDL_FillRect(Surface, @r, cConsoleSplitterColor);
for y:= 0 to cConsoleHeight div 256 + 1 do
for x:= 0 to cScreenWidth div 256 + 1 do
DrawGear(sConsoleBG, x * 256, cConsoleHeight - 256 - y * 256, Surface);
for y:= 0 to cConsoleHeight div Fontz[fnt16].Height do
DXOutText(4, cConsoleHeight - (y + 2) * (Fontz[fnt16].Height + 2), fnt16, ConsoleLines[(CurrLine - 1 - y + cLinesCount) mod cLinesCount], Surface);
DXOutText(4, cConsoleHeight - Fontz[fnt16].Height - 2, fnt16, '> '+InputStr, Surface);
end;
procedure WriteToConsole(s: shortstring);
var Len: LongInt;
begin
{$IFDEF DEBUGFILE}AddFileLog('Console write: ' + s);{$ENDIF}
Write(s);
repeat
Len:= cLineWidth - Length(ConsoleLines[CurrLine]);
ConsoleLines[CurrLine]:= ConsoleLines[CurrLine] + copy(s, 1, Len);
Delete(s, 1, Len);
if byte(ConsoleLines[CurrLine][0])=cLineWidth then
begin
inc(CurrLine);
if CurrLine = cLinesCount then CurrLine:= 0;
PLongWord(@ConsoleLines[CurrLine])^:= 0
end;
until Length(s) = 0
end;
procedure WriteLnToConsole(s: shortstring);
begin
WriteToConsole(s);
WriteLn;
inc(CurrLine);
if CurrLine = cLinesCount then CurrLine:= 0;
PLongWord(@ConsoleLines[CurrLine])^:= 0
end;
procedure InitConsole;
var i: LongInt;
begin
cLineWidth:= cScreenWidth div 10;
if cLineWidth > 255 then cLineWidth:= 255;
for i:= 0 to Pred(cLinesCount) do PLongWord(@ConsoleLines[i])^:= 0
end;
procedure ParseCommand(CmdStr: shortstring; TrustedSource: boolean);
type PhwFloat = ^hwFloat;
var ii: LongInt;
s: shortstring;
t: PVariable;
c: char;
begin
//WriteLnToConsole(CmdStr);
if CmdStr[0]=#0 then exit;
{$IFDEF DEBUGFILE}AddFileLog('ParseCommand "' + CmdStr + '"');{$ENDIF}
c:= CmdStr[1];
if c in ['/', '$'] then Delete(CmdStr, 1, 1) else c:= '/';
SplitBySpace(CmdStr, s);
t:= Variables;
while t <> nil do
begin
if t^.Name = CmdStr then
begin
if TrustedSource or t^.Trusted then
case t^.VType of
vtCommand: if c='/' then
begin
TCommandHandler(t^.Handler)(s);
end;
vtLongInt: if c='$' 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 + ': "$' + CmdStr + '"')
else WriteLnToConsole(errmsgUnknownCommand + ': "/' + CmdStr + '"') end
end;
procedure AutoComplete;
var t: PVariable;
c: char;
begin
if InputStr[0] = #0 then exit;
c:= InputStr[1];
if c in ['/', '$'] then Delete(InputStr, 1, 1)
else c:= #0;
if InputStr[byte(InputStr[0])] = #32 then dec(InputStr[0]);
t:= Variables;
while t <> nil do
begin
if (c=#0) or ((t^.VType = vtCommand) and (c='/'))or
((t^.VType <> vtCommand) and (c='$'))then
if copy(t^.Name, 1, Length(InputStr)) = InputStr then
begin
if t^.VType = vtCommand then InputStr:= '/' + t^.Name + ' '
else InputStr:= '$' + t^.Name + ' ';
exit
end;
t:= t^.Next
end
end;
procedure KeyPressConsole(Key: Longword);
const firstByteMark: array[1..4] of byte = (0, $C0, $E0, $F0);
var i, btw: integer;
utf8: shortstring;
begin
if Key <> 0 then
case Key of
8: if Length(InputStr)>0 then dec(InputStr[0]);
9: AutoComplete;
13,271: begin
if InputStr[1] in ['/', '$'] then
ParseCommand(InputStr, false)
else
ParseCommand('/say ' + InputStr, false);
InputStr:= ''
end
else
if (Key < $80) then btw:= 1
else if (Key < $800) then btw:= 2
else if (Key < $10000) then btw:= 3
else btw:= 4;
utf8:= '';
for i:= btw downto 2 do
begin
utf8:= char((Key or $80) and $BF) + utf8;
Key:= Key shr 6
end;
utf8:= char(Key or firstByteMark[btw]) + utf8;
InputStr:= InputStr + utf8
end
end;
function GetLastConsoleLine: shortstring;
begin
if CurrLine = 0 then GetLastConsoleLine:= ConsoleLines[Pred(cLinesCount)]
else GetLastConsoleLine:= ConsoleLines[Pred(CurrLine)]
end;
{$INCLUDE CCHandlers.inc}
initialization
InitConsole;
RegisterVariable('quit' , vtCommand, @chQuit , true );
RegisterVariable('proto' , vtCommand, @chCheckProto , true );
RegisterVariable('capture' , vtCommand, @chCapture , true );
RegisterVariable('addteam' , vtCommand, @chAddTeam , false);
RegisterVariable('rdriven' , vtCommand, @chTeamLocal , false);
RegisterVariable('map' , vtCommand, @chSetMap , false);
RegisterVariable('theme' , vtCommand, @chSetTheme , false);
RegisterVariable('seed' , vtCommand, @chSetSeed , false);
RegisterVariable('c_height', vtLongInt, @cConsoleHeight , false);
RegisterVariable('gmflags' , vtLongInt, @GameFlags , false);
RegisterVariable('turntime', vtLongInt, @cHedgehogTurnTime, false);
RegisterVariable('name' , vtCommand, @chName , false);
RegisterVariable('fort' , vtCommand, @chFort , false);
RegisterVariable('grave' , vtCommand, @chGrave , false);
RegisterVariable('bind' , vtCommand, @chBind , true );
RegisterVariable('addhh' , vtCommand, @chAddHH , false);
RegisterVariable('ammstore', vtCommand, @chAddAmmoStore , false);
RegisterVariable('skip' , vtCommand, @chSkip , false);
RegisterVariable('say' , vtCommand, @chSay , true );
RegisterVariable('ammomenu', vtCommand, @chAmmoMenu , false);
RegisterVariable('+left' , vtCommand, @chLeft_p , false);
RegisterVariable('-left' , vtCommand, @chLeft_m , false);
RegisterVariable('+right' , vtCommand, @chRight_p , false);
RegisterVariable('-right' , vtCommand, @chRight_m , false);
RegisterVariable('+up' , vtCommand, @chUp_p , false);
RegisterVariable('-up' , vtCommand, @chUp_m , false);
RegisterVariable('+down' , vtCommand, @chDown_p , false);
RegisterVariable('-down' , vtCommand, @chDown_m , false);
RegisterVariable('+attack' , vtCommand, @chAttack_p , false);
RegisterVariable('-attack' , vtCommand, @chAttack_m , false);
RegisterVariable('color' , vtCommand, @chColor , false);
RegisterVariable('switch' , vtCommand, @chSwitch , false);
RegisterVariable('nextturn', vtCommand, @chNextTurn , false);
RegisterVariable('timer' , vtCommand, @chTimer , false);
RegisterVariable('slot' , vtCommand, @chSlot , false);
RegisterVariable('put' , vtCommand, @chPut , false);
RegisterVariable('ljump' , vtCommand, @chLJump , false);
RegisterVariable('hjump' , vtCommand, @chHJump , false);
RegisterVariable('fullscr' , vtCommand, @chFullScr , true );
RegisterVariable('+volup' , vtCommand, @chVol_p , true );
RegisterVariable('-volup' , vtCommand, @chVol_m , true );
RegisterVariable('+voldown', vtCommand, @chVol_m , true );
RegisterVariable('-voldown', vtCommand, @chVol_p , true );
RegisterVariable('findhh' , vtCommand, @chFindhh , true );
RegisterVariable('pause' , vtCommand, @chPause , true );
finalization
FreeVariablesList
end.