diff --git a/src/engine/e_input.pas b/src/engine/e_input.pas
index 1aae709d8706c719b0c27598e69da46a4c709d6b..e7fa6cb0df5bc9091c818170377dbd1470cb7287 100644 (file)
--- a/src/engine/e_input.pas
+++ b/src/engine/e_input.pas
*
* 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, either version 3 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation, version 3 of the License ONLY.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
{$INCLUDE ../shared/a_modes.inc}
unit e_input;
-interface
-
-uses
- SysUtils,
- e_log,
- SDL2;
-
-const
- e_MaxKbdKeys = SDL_NUM_SCANCODES;
- e_MaxJoys = 4;
- e_MaxJoyBtns = 32;
- e_MaxJoyAxes = 8;
- e_MaxJoyHats = 8;
- e_MaxVirtKeys = 32;
-
- e_MaxJoyKeys = e_MaxJoyBtns + e_MaxJoyAxes*2 + e_MaxJoyHats*4;
-
- e_MaxInputKeys = e_MaxKbdKeys + e_MaxJoys*e_MaxJoyKeys + e_MaxVirtKeys - 1;
- // $$$..$$$ - 321 Keyboard buttons/keys
- // $$$..$$$ - 4*32 Joystick buttons
- // $$$..$$$ - 8*2 Joystick axes (- and +)
- // $$$..$$$ - 4*4 Joystick hats (L U R D)
- // $$$..$$$ - 32 Virtual buttons/keys
-
- // these are apparently used in g_gui and g_game and elsewhere
- IK_INVALID = 65535;
- IK_ESCAPE = SDL_SCANCODE_ESCAPE;
- IK_RETURN = SDL_SCANCODE_RETURN;
- IK_KPRETURN= SDL_SCANCODE_KP_ENTER;
- IK_ENTER = SDL_SCANCODE_RETURN;
- IK_UP = SDL_SCANCODE_UP;
- IK_KPUP = SDL_SCANCODE_KP_8;
- IK_DOWN = SDL_SCANCODE_DOWN;
- IK_KPDOWN = SDL_SCANCODE_KP_2;
- IK_LEFT = SDL_SCANCODE_LEFT;
- IK_KPLEFT = SDL_SCANCODE_KP_4;
- IK_RIGHT = SDL_SCANCODE_RIGHT;
- IK_KPRIGHT = SDL_SCANCODE_KP_6;
- IK_DELETE = SDL_SCANCODE_DELETE;
- IK_HOME = SDL_SCANCODE_HOME;
- IK_KPHOME = SDL_SCANCODE_KP_7;
- IK_INSERT = SDL_SCANCODE_INSERT;
- IK_SPACE = SDL_SCANCODE_SPACE;
- IK_CONTROL = SDL_SCANCODE_LCTRL;
- IK_SHIFT = SDL_SCANCODE_LSHIFT;
- IK_TAB = SDL_SCANCODE_TAB;
- IK_PAGEUP = SDL_SCANCODE_PAGEUP;
- IK_KPPAGEUP= SDL_SCANCODE_KP_9;
- IK_PAGEDN = SDL_SCANCODE_PAGEDOWN;
- IK_KPPAGEDN= SDL_SCANCODE_KP_3;
- IK_F2 = SDL_SCANCODE_F2;
- IK_F3 = SDL_SCANCODE_F3;
- IK_F4 = SDL_SCANCODE_F4;
- IK_F5 = SDL_SCANCODE_F5;
- IK_F6 = SDL_SCANCODE_F6;
- IK_F7 = SDL_SCANCODE_F7;
- IK_F8 = SDL_SCANCODE_F8;
- IK_F9 = SDL_SCANCODE_F9;
- IK_F10 = SDL_SCANCODE_F10;
- IK_END = SDL_SCANCODE_END;
- IK_KPEND = SDL_SCANCODE_KP_1;
- IK_BACKSPACE = SDL_SCANCODE_BACKSPACE;
- IK_BACKQUOTE = SDL_SCANCODE_GRAVE;
- IK_GRAVE = SDL_SCANCODE_GRAVE;
- IK_PAUSE = SDL_SCANCODE_PAUSE;
- IK_Y = SDL_SCANCODE_Y;
- IK_N = SDL_SCANCODE_N;
- // TODO: think of something better than this shit
- IK_LASTKEY = SDL_NUM_SCANCODES-1;
-
- VK_FIRSTKEY = e_MaxKbdKeys + e_MaxJoys*e_MaxJoyKeys;
- VK_LEFT = VK_FIRSTKEY + 0;
- VK_RIGHT = VK_FIRSTKEY + 1;
- VK_UP = VK_FIRSTKEY + 2;
- VK_DOWN = VK_FIRSTKEY + 3;
- VK_FIRE = VK_FIRSTKEY + 4;
- VK_OPEN = VK_FIRSTKEY + 5;
- VK_JUMP = VK_FIRSTKEY + 6;
- VK_CHAT = VK_FIRSTKEY + 7;
- VK_ESCAPE = VK_FIRSTKEY + 8;
- VK_0 = VK_FIRSTKEY + 9;
- VK_1 = VK_FIRSTKEY + 10;
- VK_2 = VK_FIRSTKEY + 11;
- VK_3 = VK_FIRSTKEY + 12;
- VK_4 = VK_FIRSTKEY + 13;
- VK_5 = VK_FIRSTKEY + 14;
- VK_6 = VK_FIRSTKEY + 15;
- VK_7 = VK_FIRSTKEY + 16;
- VK_8 = VK_FIRSTKEY + 17;
- VK_9 = VK_FIRSTKEY + 18;
- VK_A = VK_FIRSTKEY + 19;
- VK_B = VK_FIRSTKEY + 20;
- VK_C = VK_FIRSTKEY + 21;
- VK_D = VK_FIRSTKEY + 22;
- VK_E = VK_FIRSTKEY + 23;
- VK_F = VK_FIRSTKEY + 24;
- VK_CONSOLE = VK_FIRSTKEY + 25;
- VK_STATUS = VK_FIRSTKEY + 26;
- VK_TEAM = VK_FIRSTKEY + 27;
- VK_PREV = VK_FIRSTKEY + 28;
- VK_NEXT = VK_FIRSTKEY + 29;
- VK_STRAFE = VK_FIRSTKEY + 30;
- VK_LASTKEY = e_MaxKbdKeys + e_MaxJoys*e_MaxJoyKeys + e_MaxVirtKeys - 1;
-
- AX_MINUS = 0;
- AX_PLUS = 1;
- HAT_LEFT = 0;
- HAT_UP = 1;
- HAT_RIGHT = 2;
- HAT_DOWN = 3;
-
-function e_InitInput(): Boolean;
-procedure e_ReleaseInput();
-procedure e_ClearInputBuffer();
-//function e_PollInput(): Boolean;
-procedure e_PollJoysticks(); // call this from message loop to update joysticks
-function e_KeyPressed(Key: Word): Boolean;
-function e_AnyKeyPressed(): Boolean;
-function e_GetFirstKeyPressed(): Word;
-function e_JoystickStateToString(mode: Integer): String;
-function e_JoyByHandle(handle: Word): Integer;
-function e_JoyButtonToKey(id: Word; btn: Byte): Word;
-function e_JoyAxisToKey(id: Word; ax: Byte; dir: Byte): Word;
-function e_JoyHatToKey(id: Word; hat: Byte; dir: Byte): Word;
-procedure e_SetKeyState(key: Word; state: Integer);
-
-procedure e_UnpressAllKeys ();
-procedure e_KeyUpDown (key: Word; down: Boolean);
-
-var
- {e_MouseInfo: TMouseInfo;}
- e_EnableInput: Boolean = False;
- e_JoysticksAvailable: Byte = 0;
- e_JoystickDeadzones: array [0..e_MaxJoys-1] of Integer = (8192, 8192, 8192, 8192);
- e_KeyNames: array [0..e_MaxInputKeys] of String;
-
-implementation
-
-uses Math;
-
-const
- KBRD_END = e_MaxKbdKeys;
- JOYK_BEG = KBRD_END;
- JOYK_END = JOYK_BEG + e_MaxJoyBtns*e_MaxJoys;
- JOYA_BEG = JOYK_END;
- JOYA_END = JOYA_BEG + e_MaxJoyAxes*2*e_MaxJoys;
- JOYH_BEG = JOYA_END;
- JOYH_END = JOYH_BEG + e_MaxJoyHats*4*e_MaxJoys;
- VIRT_BEG = JOYH_END;
- VIRT_END = VIRT_BEG + e_MaxVirtKeys;
-
-type
- TJoystick = record
- ID: Byte;
- Handle: PSDL_Joystick;
- Axes: Byte;
- Buttons: Byte;
- Hats: Byte;
- ButtBuf: array [0..e_MaxJoyBtns] of Boolean;
- AxisBuf: array [0..e_MaxJoyAxes] of Integer;
- AxisZero: array [0..e_MaxJoyAxes] of Integer;
- HatBuf: array [0..e_MaxJoyHats] of array [HAT_LEFT..HAT_DOWN] of Boolean;
- end;
-
-var
- KeyBuffer: array [0..e_MaxKbdKeys] of Boolean;
- VirtBuffer: array [0..e_MaxVirtKeys] of Boolean;
- Joysticks: array of TJoystick = nil;
-
-function OpenJoysticks(): Byte;
-var
- i, j, k, c: Integer;
- joy: PSDL_Joystick;
-begin
- Result := 0;
- k := Min(e_MaxJoys, SDL_NumJoysticks());
- if k = 0 then Exit;
- c := 0;
- for i := 0 to k do
- begin
- joy := SDL_JoystickOpen(i);
- if joy <> nil then
- begin
- Inc(c);
- e_WriteLog('Input: Opened SDL joystick ' + IntToStr(i) + ' (' + SDL_JoystickName(joy) +
- ') as joystick ' + IntToStr(c) + ':', TMsgType.Notify);
- SetLength(Joysticks, c);
- with Joysticks[c-1] do
- begin
- ID := i;
- Handle := joy;
- Axes := Min(e_MaxJoyAxes, SDL_JoystickNumAxes(joy));
- Buttons := Min(e_MaxJoyBtns, SDL_JoystickNumButtons(joy));
- Hats := Min(e_MaxJoyHats, SDL_JoystickNumHats(joy));
- // TODO: find proper solution for this xbox trigger shit
- for j := 0 to Axes do AxisZero[j] := SDL_JoystickGetAxis(joy, j);
- e_WriteLog(' ' + IntToStr(Axes) + ' axes, ' + IntToStr(Buttons) + ' buttons, ' +
- IntToStr(Hats) + ' hats.', TMsgType.Notify);
- end;
- end;
- end;
- Result := c;
-end;
-
-procedure ReleaseJoysticks();
-var
- i: Integer;
-begin
- if (Joysticks = nil) or (e_JoysticksAvailable = 0) then Exit;
- for i := Low(Joysticks) to High(Joysticks) do
- with Joysticks[i] do
- SDL_JoystickClose(Handle);
- SetLength(Joysticks, 0);
-end;
-
-
-procedure e_UnpressAllKeys ();
-var
- i: Integer;
-begin
- for i := 0 to High(KeyBuffer) do KeyBuffer[i] := False;
- for i := 0 to High(VirtBuffer) do VirtBuffer[i] := False;
-end;
-
-
-procedure e_KeyUpDown (key: Word; down: Boolean);
-begin
- if (key > 0) and (key < Length(KeyBuffer)) then KeyBuffer[key] := down
- else if (key >= VIRT_BEG) and (key < VIRT_END) then VirtBuffer[key - VIRT_BEG] := down
-end;
-
-
-function PollKeyboard(): Boolean;
-{
-var
- Keys: PByte;
- NKeys: Integer;
- i: NativeUInt;
-}
-begin
- Result := False;
- {
- Keys := SDL_GetKeyboardState(@NKeys);
- if (Keys = nil) or (NKeys < 1) then Exit;
- for i := 0 to NKeys do
- begin
- if ((PByte(NativeUInt(Keys) + i)^) <> 0) then KeyBuffer[i] := false;
- end;
- for i := NKeys to High(KeyBuffer) do KeyBuffer[i] := False;
- }
-end;
-
-procedure e_PollJoysticks();
-var
- i, j: Word;
- hat: Byte;
-begin
- //Result := False;
- if (Joysticks = nil) or (e_JoysticksAvailable = 0) then Exit;
- SDL_JoystickUpdate();
- for j := Low(Joysticks) to High(Joysticks) do
- begin
- with Joysticks[j] do
- begin
- for i := 0 to Buttons do ButtBuf[i] := SDL_JoystickGetButton(Handle, i) <> 0;
- for i := 0 to Axes do AxisBuf[i] := SDL_JoystickGetAxis(Handle, i);
- for i := 0 to Hats do
- begin
- hat := SDL_JoystickGetHat(Handle, i);
- HatBuf[i, HAT_UP] := LongBool(hat and SDL_HAT_UP);
- HatBuf[i, HAT_DOWN] := LongBool(hat and SDL_HAT_DOWN);
- HatBuf[i, HAT_LEFT] := LongBool(hat and SDL_HAT_LEFT);
- HatBuf[i, HAT_RIGHT] := LongBool(hat and SDL_HAT_RIGHT);
- end;
- end;
- end;
-end;
-
-procedure GenerateKeyNames();
-var
- i, j, k: LongWord;
-begin
- // keyboard key names
- for i := 0 to IK_LASTKEY do
- e_KeyNames[i] := SDL_GetScancodeName(i);
-
- // joysticks
- for j := 0 to e_MaxJoys-1 do
- begin
- k := JOYK_BEG + j * e_MaxJoyBtns;
- // buttons
- for i := 0 to e_MaxJoyBtns-1 do
- e_KeyNames[k + i] := Format('JOY%d B%d', [j, i]);
- k := JOYA_BEG + j * e_MaxJoyAxes * 2;
- // axes
- for i := 0 to e_MaxJoyAxes-1 do
- begin
- e_KeyNames[k + i*2 ] := Format('JOY%d A%d+', [j, i]);
- e_KeyNames[k + i*2 + 1] := Format('JOY%d A%d-', [j, i]);
- end;
- k := JOYH_BEG + j * e_MaxJoyHats * 4;
- // hats
- for i := 0 to e_MaxJoyHats-1 do
- begin
- e_KeyNames[k + i*4 ] := Format('JOY%d D%dL', [j, i]);
- e_KeyNames[k + i*4 + 1] := Format('JOY%d D%dU', [j, i]);
- e_KeyNames[k + i*4 + 2] := Format('JOY%d D%dR', [j, i]);
- e_KeyNames[k + i*4 + 3] := Format('JOY%d D%dD', [j, i]);
- end;
- end;
-
- // vitrual keys
- for i := 0 to e_MaxVirtKeys-1 do
- e_KeyNames[VIRT_BEG + i] := 'VIRTUAL ' + IntToStr(i);
-end;
-
-function e_InitInput(): Boolean;
-begin
- Result := False;
-
- e_JoysticksAvailable := OpenJoysticks();
- e_EnableInput := True;
- GenerateKeyNames();
-
- Result := True;
-end;
-
-procedure e_ReleaseInput();
-begin
- ReleaseJoysticks();
- e_JoysticksAvailable := 0;
-end;
-
-procedure e_ClearInputBuffer();
-var
- i, j, d: Integer;
-begin
- for i := Low(KeyBuffer) to High(KeyBuffer) do
- KeyBuffer[i] := False;
- if (Joysticks = nil) or (e_JoysticksAvailable = 0) then
- for i := Low(Joysticks) to High(Joysticks) do
- begin
- for j := Low(Joysticks[i].ButtBuf) to High(Joysticks[i].ButtBuf) do
- Joysticks[i].ButtBuf[j] := False;
- for j := Low(Joysticks[i].AxisBuf) to High(Joysticks[i].AxisBuf) do
- Joysticks[i].AxisBuf[j] := 0;
- for j := Low(Joysticks[i].HatBuf) to High(Joysticks[i].HatBuf) do
- for d := Low(Joysticks[i].HatBuf[j]) to High(Joysticks[i].HatBuf[j]) do
- Joysticks[i].HatBuf[j, d] := False;
- end;
- for i := Low(VirtBuffer) to High(VirtBuffer) do
- VirtBuffer[i] := False;
-end;
-
-{
-function e_PollInput(): Boolean;
-var
- kb, js: Boolean;
-begin
- kb := PollKeyboard();
- js := e_PollJoysticks();
-
- Result := kb or js;
-end;
-}
-
-function e_KeyPressed(Key: Word): Boolean;
-var
- joyi, dir: Integer;
-begin
- Result := False;
- if (Key = IK_INVALID) or (Key = 0) then Exit;
-
- if (Key < KBRD_END) then
- begin // Keyboard buttons/keys
- Result := KeyBuffer[Key];
- end
-
- else if (Key >= JOYK_BEG) and (Key < JOYK_END) then
- begin // Joystick buttons
- JoyI := (Key - JOYK_BEG) div e_MaxJoyBtns;
- if JoyI >= e_JoysticksAvailable then
- Result := False
- else
- begin
- Key := (Key - JOYK_BEG) mod e_MaxJoyBtns;
- Result := Joysticks[JoyI].ButtBuf[Key];
- end;
- end
-
- else if (Key >= JOYA_BEG) and (Key < JOYA_END) then
- begin // Joystick axes
- JoyI := (Key - JOYA_BEG) div (e_MaxJoyAxes*2);
- if JoyI >= e_JoysticksAvailable then
- Result := False
- else
- begin
- Key := (Key - JOYA_BEG) mod (e_MaxJoyAxes*2);
- dir := Key mod 2;
- if dir = AX_MINUS then
- Result := Joysticks[JoyI].AxisBuf[Key div 2] <
- Joysticks[JoyI].AxisZero[Key div 2] - e_JoystickDeadzones[JoyI]
- else
- Result := Joysticks[JoyI].AxisBuf[Key div 2] >
- Joysticks[JoyI].AxisZero[Key div 2] + e_JoystickDeadzones[JoyI]
- end;
- end
-
- else if (Key >= JOYH_BEG) and (Key < JOYH_END) then
- begin // Joystick hats
- JoyI := (Key - JOYH_BEG) div (e_MaxJoyHats*4);
- if JoyI >= e_JoysticksAvailable then
- Result := False
- else
- begin
- Key := (Key - JOYH_BEG) mod (e_MaxJoyHats*4);
- dir := Key mod 4;
- Result := Joysticks[JoyI].HatBuf[Key div 4, dir];
- end;
- end
-
- else if (Key >= VIRT_BEG) and (Key < VIRT_END) then
- Result := VirtBuffer[Key - VIRT_BEG]
-end;
-
-procedure e_SetKeyState(key: Word; state: Integer);
-var
- JoyI, dir: Integer;
-begin
- if (Key = IK_INVALID) or (Key = 0) then Exit;
-
- if (Key < KBRD_END) then
- begin // Keyboard buttons/keys
- keyBuffer[key] := (state <> 0);
- end
-
- else if (Key >= JOYK_BEG) and (Key < JOYK_END) then
- begin // Joystick buttons
- JoyI := (Key - JOYK_BEG) div e_MaxJoyBtns;
- if JoyI >= e_JoysticksAvailable then
- Exit
- else
- begin
- Key := (Key - JOYK_BEG) mod e_MaxJoyBtns;
- Joysticks[JoyI].ButtBuf[Key] := (state <> 0);
- end;
- end
-
- else if (Key >= JOYA_BEG) and (Key < JOYA_END) then
- begin // Joystick axes
- JoyI := (Key - JOYA_BEG) div (e_MaxJoyAxes*2);
- if JoyI >= e_JoysticksAvailable then
- Exit
- else
- begin
- Key := (Key - JOYA_BEG) mod (e_MaxJoyAxes*2);
- Joysticks[JoyI].AxisBuf[Key div 2] := state;
- end;
- end
-
- else if (Key >= JOYH_BEG) and (Key < JOYH_END) then
- begin // Joystick hats
- JoyI := (Key - JOYH_BEG) div (e_MaxJoyHats*4);
- if JoyI >= e_JoysticksAvailable then
- Exit
- else
- begin
- Key := (Key - JOYH_BEG) mod (e_MaxJoyHats*4);
- dir := Key mod 4;
- Joysticks[JoyI].HatBuf[Key div 4, dir] := (state <> 0);
- end;
- end
-
- else if (Key >= VIRT_BEG) and (Key < VIRT_END) then
- VirtBuffer[Key - VIRT_BEG] := (state <> 0)
-end;
-
-function e_AnyKeyPressed(): Boolean;
-var
- k: Word;
-begin
- Result := False;
-
- for k := 1 to e_MaxInputKeys do
- if e_KeyPressed(k) then
- begin
- Result := True;
- Break;
- end;
-end;
-
-function e_GetFirstKeyPressed(): Word;
-var
- k: Word;
-begin
- Result := IK_INVALID;
-
- for k := 1 to e_MaxInputKeys do
- if e_KeyPressed(k) then
- begin
- Result := k;
- Break;
- end;
-end;
-
-////////////////////////////////////////////////////////////////////////////////
-
-function e_JoystickStateToString(mode: Integer): String;
-begin
- Result := '';
-end;
-
-function e_JoyByHandle(handle: Word): Integer;
-var
- i: Integer;
-begin
- Result := -1;
- if Joysticks = nil then Exit;
- for i := Low(Joysticks) to High(Joysticks) do
- if Joysticks[i].ID = handle then
- begin
- Result := i;
- Exit;
- end;
-end;
-
-function e_JoyButtonToKey(id: Word; btn: Byte): Word;
-begin
- Result := 0;
- if id >= Length(Joysticks) then Exit;
- Result := JOYK_BEG + id*e_MaxJoyBtns + btn;
-end;
-
-function e_JoyAxisToKey(id: Word; ax: Byte; dir: Byte): Word;
-begin
- Result := 0;
- if id >= Length(Joysticks) then Exit;
- Result := JOYA_BEG + id*e_MaxJoyAxes*2 + ax*2 + dir;
-end;
-
-function e_JoyHatToKey(id: Word; hat: Byte; dir: Byte): Word;
-begin
- Result := 0;
- if id >= Length(Joysticks) then Exit;
- Result := JOYH_BEG + id*e_MaxJoyHats*4 + hat*4 + dir;
-end;
+{$IF DEFINED(USE_SYSSTUB) OR DEFINED(USE_SDL)}
+ {$I e_input_stub.inc}
+{$ELSEIF DEFINED(USE_SDL2)}
+ {$I e_input_sdl2.inc}
+{$ELSE}
+ {$ERROR e_input driver not implemented?}
+{$ENDIF}
end.