From 684f59b7bf1a5735fbd5169a0239f22794d94613 Mon Sep 17 00:00:00 2001 From: DeaDDooMER Date: Wed, 9 Oct 2019 00:13:08 +0300 Subject: [PATCH] add joysticks for sdl 1.2 --- src/game/sdl/g_system.pas | 176 +++++++++++++++++++++++++++++++++---- src/game/sdl2/g_system.pas | 2 +- 2 files changed, 162 insertions(+), 16 deletions(-) diff --git a/src/game/sdl/g_system.pas b/src/game/sdl/g_system.pas index 5fe7302..21501c6 100644 --- a/src/game/sdl/g_system.pas +++ b/src/game/sdl/g_system.pas @@ -17,10 +17,6 @@ unit g_system; interface - (* To fix: - * - Joystick support - *) - uses Utils; (* --- Utils --- *) @@ -44,7 +40,7 @@ interface implementation uses - SysUtils, SDL, GL, + SysUtils, SDL, GL, Math, e_log, e_graphics, e_input, g_options, g_window, g_console, g_game, g_menu, g_gui, g_main; @@ -55,6 +51,9 @@ implementation userResize: Boolean; modeResize: Integer; screen: PSDL_Surface; + JoystickHandle: array [0..e_MaxJoys - 1] of PSDL_Joystick; + JoystickHatState: array [0..e_MaxJoys - 1, 0..e_MaxJoyHats - 1, HAT_LEFT..HAT_DOWN] of Boolean; + JoystickZeroAxes: array [0..e_MaxJoys - 1, 0..e_MaxJoyAxes - 1] of Integer; (* --------- Utils --------- *) @@ -154,6 +153,143 @@ implementation result := InitWindow(w, h, bpp, fullscreen) end; + (* --------- Joystick --------- *) + + procedure HandleJoyButton (var ev: TSDL_JoyButtonEvent); + var down: Boolean; key: Integer; + begin + if (ev.which < e_MaxJoys) and (ev.button < e_MaxJoyBtns) then + begin + key := e_JoyButtonToKey(ev.which, ev.button); + down := ev.type_ = SDL_JOYBUTTONDOWN; + if g_dbg_input then + e_LogWritefln('Input Debug: jbutton, joy=%s, button=%s, keycode=%s, press=%s', [ev.which, ev.button, key, down]); + e_KeyUpDown(key, down); + g_Console_ProcessBind(key, down) + end + else + begin + if g_dbg_input then + begin + down := ev.type_ = SDL_JOYBUTTONDOWN; + e_LogWritefln('Input Debug: NOT IN RANGE! jbutton, joy=%s, button=%s, press=%s', [ev.which, ev.button, down]) + end + end + end; + + procedure HandleJoyAxis (var ev: TSDL_JoyAxisEvent); + var key, minuskey: Integer; + begin + if (ev.which < e_MaxJoys) and (ev.axis < e_MaxJoyAxes) then + begin + key := e_JoyAxisToKey(ev.which, ev.axis, AX_PLUS); + minuskey := e_JoyAxisToKey(ev.which, ev.axis, AX_MINUS); + + if g_dbg_input then + e_LogWritefln('Input Debug: jaxis, joy=%s, axis=%s, value=%s, zeroaxes=%s, deadzone=%s', [ev.which, ev.axis, ev.value, JoystickZeroAxes[ev.which, ev.axis], e_JoystickDeadzones[ev.which]]); + + if ev.value < JoystickZeroAxes[ev.which, ev.axis] - e_JoystickDeadzones[ev.which] then + begin + if (e_KeyPressed(key)) then + begin + e_KeyUpDown(key, False); + g_Console_ProcessBind(key, False) + end; + e_KeyUpDown(minuskey, True); + g_Console_ProcessBind(minuskey, True) + end + else if ev.value > JoystickZeroAxes[ev.which, ev.axis] + e_JoystickDeadzones[ev.which] then + begin + if (e_KeyPressed(minuskey)) then + begin + e_KeyUpDown(minuskey, False); + g_Console_ProcessBind(minuskey, False) + end; + e_KeyUpDown(key, True); + g_Console_ProcessBind(key, True) + end + else + begin + if (e_KeyPressed(minuskey)) then + begin + e_KeyUpDown(minuskey, False); + g_Console_ProcessBind(minuskey, False) + end; + if (e_KeyPressed(key)) then + begin + e_KeyUpDown(key, False); + g_Console_ProcessBind(key, False) + end + end + end + else + begin + if g_dbg_input then + e_LogWritefln('Input Debug: NOT IN RANGE! jaxis, joy=%s, axis=%s, value=%s, zeroaxes=%s, deadzone=%s', [ev.which, ev.axis, ev.value, JoystickZeroAxes[ev.which, ev.axis], e_JoystickDeadzones[ev.which]]) + end + end; + + procedure HandleJoyHat (var ev: TSDL_JoyHatEvent); + var + down: Boolean; + i, key: Integer; + hat: array [HAT_LEFT..HAT_DOWN] of Boolean; + begin + if (ev.which < e_MaxJoys) and (ev.hat < e_MaxJoyHats) then + begin + if g_dbg_input then + e_LogWritefln('Input Debug: jhat, joy=%s, hat=%s, value=%s', [ev.which, ev.hat, ev.value]); + hat[HAT_UP] := LongBool(ev.value and SDL_HAT_UP); + hat[HAT_DOWN] := LongBool(ev.value and SDL_HAT_DOWN); + hat[HAT_LEFT] := LongBool(ev.value and SDL_HAT_LEFT); + hat[HAT_RIGHT] := LongBool(ev.value and SDL_HAT_RIGHT); + for i := HAT_LEFT to HAT_DOWN do + begin + if JoystickHatState[ev.which, ev.hat, i] <> hat[i] then + begin + down := hat[i]; + key := e_JoyHatToKey(ev.which, ev.hat, i); + e_KeyUpDown(key, down); + g_Console_ProcessBind(key, down) + end + end; + JoystickHatState[ev.which, ev.hat] := hat + end + else + begin + if g_dbg_input then + e_LogWritefln('Input Debug: NOT IN RANGE! jhat, joy=%s, hat=%s, value=%s', [ev.which, ev.hat, ev.value]) + end + end; + + procedure AddJoystick (which: Integer); + var i: Integer; + begin + assert(which < e_MaxJoys); + JoystickHandle[which] := SDL_JoystickOpen(which); + if JoystickHandle[which] <> nil then + begin + e_LogWritefln('Added Joystick %s', [which]); + e_JoystickAvailable[which] := True; + for i := 0 to Min(SDL_JoystickNumAxes(JoystickHandle[which]), e_MaxJoyAxes) - 1 do + JoystickZeroAxes[which, i] := SDL_JoystickGetAxis(JoystickHandle[which], i) + end + else + begin + e_LogWritefln('Failed to open Joystick %s', [which]) + end + end; + + procedure RemoveJoystick (which: Integer); + begin + assert(which < e_MaxJoys); + e_LogWritefln('Remove Joystick %s', [which]); + e_JoystickAvailable[which] := False; + if JoystickHandle[which] <> nil then + SDL_JoystickClose(JoystickHandle[which]); + JoystickHandle[which] := nil + end; + (* --------- Input --------- *) function Key2Stub (key: Integer): Integer; @@ -269,6 +405,16 @@ implementation CharPress(ch) end; + procedure HandleResize (var ev: TSDL_ResizeEvent); + begin + if g_dbg_input then + e_LogWritefln('Input Debug: SDL_VIDEORESIZE %s %s', [ev.w, ev.h]); + if modeResize = 1 then + UpdateSize(ev.w, ev.h) + else if modeResize > 1 then + InitWindow(ev.w, ev.h, gBPP, gFullscreen) + end; + function sys_HandleInput (): Boolean; var ev: TSDL_Event; begin @@ -277,16 +423,11 @@ implementation begin case ev.type_ of SDL_QUITEV: result := true; - SDL_VIDEORESIZE: - begin - if g_dbg_input then - e_LogWritefln('Input Debug: SDL_VIDEORESIZE %s %s', [ev.resize.w, ev.resize.h]); - if modeResize = 1 then - UpdateSize(ev.resize.w, ev.resize.h) - else if modeResize > 1 then - InitWindow(ev.resize.w, ev.resize.h, gBPP, gFullscreen) - end; + SDL_VIDEORESIZE: HandleResize(ev.resize); SDL_KEYUP, SDL_KEYDOWN: HandleKeyboard(ev.key); + SDL_JOYBUTTONDOWN, SDL_JOYBUTTONUP: HandleJoyButton(ev.jbutton); + SDL_JOYAXISMOTION: HandleJoyAxis(ev.jaxis); + SDL_JOYHATMOTION: HandleJoyHat(ev.jhat); SDL_VIDEOEXPOSE: sys_Repaint; end end @@ -302,7 +443,7 @@ implementation (* --------- Init --------- *) procedure sys_Init; - var flags: Uint32; ok: Boolean; + var flags: Uint32; ok: Boolean; i: Integer; begin e_WriteLog('Init SDL', TMsgType.Notify); flags := SDL_INIT_VIDEO or SDL_INIT_AUDIO or @@ -315,11 +456,16 @@ implementation raise Exception.Create('SDL: Failed to set videomode: ' + SDL_GetError); SDL_EnableUNICODE(1); SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); + for i := 0 to e_MaxJoys - 1 do + AddJoystick(i) end; procedure sys_Final; + var i: Integer; begin e_WriteLog('Releasing SDL', TMsgType.Notify); + for i := 0 to e_MaxJoys - 1 do + RemoveJoystick(i); SDL_FreeSurface(screen); SDL_Quit end; diff --git a/src/game/sdl2/g_system.pas b/src/game/sdl2/g_system.pas index 5a24a48..afc1899 100644 --- a/src/game/sdl2/g_system.pas +++ b/src/game/sdl2/g_system.pas @@ -297,7 +297,7 @@ implementation begin if g_dbg_input then e_LogWritefln('Input Debug: NOT IN RANGE! jhat, joy=%s, hat=%s, value=%s', [ev.which, ev.hat, ev.value]) - end; + end end; procedure HandleJoyAdd (var ev: TSDL_JoyDeviceEvent); -- 2.29.2