From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Fri, 5 Apr 2019 16:38:18 +0000 (+0300)
Subject: joysticks handled using SDL_PollEvent
X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=843ef00143d2dd922eaa56362d4afbeb41aa54bf;p=d2df-sdl.git

joysticks handled using SDL_PollEvent
---

diff --git a/src/engine/e_input.pas b/src/engine/e_input.pas
index b93ca59..83508f3 100644
--- a/src/engine/e_input.pas
+++ b/src/engine/e_input.pas
@@ -203,12 +203,26 @@ procedure e_SetKeyState(key: Word; state: Integer);
 procedure e_UnpressAllKeys ();
 procedure e_KeyUpDown (key: Word; down: Boolean);
 
+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
   {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;
+  Joysticks: array of TJoystick = nil;
 
 implementation
 
@@ -225,23 +239,10 @@ const
   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;
+  JoyBuffer: array [JOYK_BEG..JOYH_END] of Boolean;
   VirtBuffer: array [0..e_MaxVirtKeys] of Boolean;
-  Joysticks: array of TJoystick = nil;
 
 function OpenJoysticks(): Byte;
 var
@@ -295,6 +296,7 @@ var
   i: Integer;
 begin
   for i := 0 to High(KeyBuffer) do KeyBuffer[i] := False;
+  for i := JOYK_BEG to JOYH_END do JoyBuffer[i] := False;
   for i := 0 to High(VirtBuffer) do VirtBuffer[i] := False;
 end;
 
@@ -302,6 +304,7 @@ end;
 procedure e_KeyUpDown (key: Word; down: Boolean);
 begin
   if (key > 0) and (key < Length(KeyBuffer)) then KeyBuffer[key] := down
+  else if (key >= JOYK_BEG) and (key < JOYH_END) then JoyBuffer[key] := down
   else if (key >= VIRT_BEG) and (key < VIRT_END) then VirtBuffer[key - VIRT_BEG] := down
 end;
 
@@ -494,6 +497,11 @@ var
 begin
   for i := Low(KeyBuffer) to High(KeyBuffer) do
     KeyBuffer[i] := False;
+  for i := JOYK_BEG to JOYH_END do
+    JoyBuffer[i] := False;
+  for i := Low(VirtBuffer) to High(VirtBuffer) do
+    VirtBuffer[i] := False;
+(***
   if (Joysticks = nil) or (e_JoysticksAvailable = 0) then
   for i := Low(Joysticks) to High(Joysticks) do
   begin
@@ -505,8 +513,7 @@ begin
       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;
 
 {
@@ -529,10 +536,13 @@ begin
   if (Key = IK_INVALID) or (Key = 0) then Exit;
 
   if (Key < KBRD_END) then
-  begin // Keyboard buttons/keys
-    Result := KeyBuffer[Key];
-  end
+    Result := KeyBuffer[Key]
+  else if (Key >= JOYK_BEG) and (Key < JOYH_END) then
+    Result := JoyBuffer[Key]
+  else if (Key >= VIRT_BEG) and (Key < VIRT_END) then
+    Result := VirtBuffer[Key - VIRT_BEG]
 
+(***
   else if (Key >= JOYK_BEG) and (Key < JOYK_END) then
   begin // Joystick buttons
     JoyI := (Key - JOYK_BEG) div e_MaxJoyBtns;
@@ -575,9 +585,7 @@ begin
       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);
@@ -587,10 +595,13 @@ begin
   if (Key = IK_INVALID) or (Key = 0) then Exit;
 
   if (Key < KBRD_END) then
-  begin // Keyboard buttons/keys
-    keyBuffer[key] := (state <> 0);
-  end
+    keyBuffer[key] := (state <> 0)
+  else if (Key >= JOYK_BEG) and (Key <= JOYH_END) then
+    JoyBuffer[key] := (state <> 0)
+  else if (Key >= VIRT_BEG) and (Key <= VIRT_END) then
+    VirtBuffer[Key - VIRT_BEG] := (state <> 0)
 
+(***
   else if (Key >= JOYK_BEG) and (Key < JOYK_END) then
   begin // Joystick buttons
     JoyI := (Key - JOYK_BEG) div e_MaxJoyBtns;
@@ -627,9 +638,7 @@ begin
       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;
diff --git a/src/game/g_console.pas b/src/game/g_console.pas
index fd8e24b..2de108c 100644
--- a/src/game/g_console.pas
+++ b/src/game/g_console.pas
@@ -1716,10 +1716,10 @@ begin
   (* for i := 0 to e_MaxJoys - 1 do *)
   for i := 0 to 1 do
   begin
-    g_Console_BindKey(e_JoyAxisToKey(i, 0, 0), '+p' + IntToStr(i mod 2 + 1) + '_moveleft', '-p' + IntToStr(i mod 2 + 1) + '_moveleft');
-    g_Console_BindKey(e_JoyAxisToKey(i, 0, 1), '+p' + IntToStr(i mod 2 + 1) + '_moveright', '-p' + IntToStr(i mod 2 + 1) + '_moveright');
-    g_Console_BindKey(e_JoyAxisToKey(i, 1, 0), '+p' + IntToStr(i mod 2 + 1) + '_lookup', '-p' + IntToStr(i mod 2 + 1) + '_lookup');
-    g_Console_BindKey(e_JoyAxisToKey(i, 1, 1), '+p' + IntToStr(i mod 2 + 1) + '_lookdown', '-p' + IntToStr(i mod 2 + 1) + '_lookdown');
+    g_Console_BindKey(e_JoyAxisToKey(i, 0, AX_MINUS), '+p' + IntToStr(i mod 2 + 1) + '_moveleft', '-p' + IntToStr(i mod 2 + 1) + '_moveleft');
+    g_Console_BindKey(e_JoyAxisToKey(i, 0, AX_PLUS), '+p' + IntToStr(i mod 2 + 1) + '_moveright', '-p' + IntToStr(i mod 2 + 1) + '_moveright');
+    g_Console_BindKey(e_JoyAxisToKey(i, 1, AX_MINUS), '+p' + IntToStr(i mod 2 + 1) + '_lookup', '-p' + IntToStr(i mod 2 + 1) + '_lookup');
+    g_Console_BindKey(e_JoyAxisToKey(i, 1, AX_PLUS), '+p' + IntToStr(i mod 2 + 1) + '_lookdown', '-p' + IntToStr(i mod 2 + 1) + '_lookdown');
     g_Console_BindKey(e_JoyButtonToKey(i, 2), '+p' + IntToStr(i mod 2 + 1) + '_jump', '-p' + IntToStr(i mod 2 + 1) + '_jump');
     g_Console_BindKey(e_JoyButtonToKey(i, 0), '+p' + IntToStr(i mod 2 + 1) + '_attack', '-p' + IntToStr(i mod 2 + 1) + '_attack');
     g_Console_BindKey(e_JoyButtonToKey(i, 3), '+p' + IntToStr(i mod 2 + 1) + '_activate', '-p' + IntToStr(i mod 2 + 1) + '_activate');
diff --git a/src/game/g_window.pas b/src/game/g_window.pas
index a5dd79c..5689ceb 100644
--- a/src/game/g_window.pas
+++ b/src/game/g_window.pas
@@ -84,7 +84,7 @@ var
   ticksOverflow: Int64 = -1;
   lastTicks: Uint32 = 0; // to detect overflow
 {$ENDIF}
-
+  JoystickHatState: array [0..e_MaxJoyHats, HAT_LEFT..HAT_DOWN] of Boolean;
 
 procedure KillGLWindow (preserveGL: Boolean);
 begin
@@ -467,6 +467,8 @@ var
   key, keychr: Word;
   uc: UnicodeChar;
   down: Boolean;
+  i: Integer;
+  hat: array [HAT_LEFT..HAT_DOWN] of Boolean;
 begin
   result := false;
 
@@ -513,6 +515,57 @@ begin
         if down then KeyPress(key);
       end;
 
+    SDL_JOYBUTTONDOWN, SDL_JOYBUTTONUP:
+      if (ev.jbutton.which < e_MaxJoys) and (ev.jbutton.button < e_MaxJoyBtns) then
+      begin
+        key := e_JoyButtonToKey(ev.jbutton.which, ev.jbutton.button);
+        down := ev.type_ = SDL_JOYBUTTONDOWN;
+        e_KeyUpDown(key, down);
+        g_Console_ProcessBind(key, down);
+        if down then KeyPress(key)
+      end;
+
+    SDL_JOYAXISMOTION:
+      if (ev.jaxis.which < e_MaxJoys) and (ev.jaxis.axis < e_MaxJoyAxes) then
+      begin
+        down := ev.jaxis.value <> Joysticks[ev.jaxis.which].AxisZero[ev.jaxis.axis];
+        if ev.jaxis.value < Joysticks[ev.jaxis.which].AxisZero[ev.jaxis.axis] - e_JoystickDeadzones[ev.jaxis.which] then
+          key := e_JoyAxisToKey(ev.jaxis.which, ev.jaxis.axis, AX_MINUS)
+        else
+          key := e_JoyAxisToKey(ev.jaxis.which, ev.jaxis.axis, AX_PLUS);
+        e_KeyUpDown(key, down);
+        g_Console_ProcessBind(key, down);
+        if down then KeyPress(key)
+      end;
+
+    SDL_JOYHATMOTION:
+      if (ev.jhat.which < e_MaxJoys) and (ev.jhat.hat < e_MaxJoyHats) then
+      begin
+        hat[HAT_UP] := LongBool(ev.jhat.value and SDL_HAT_UP);
+        hat[HAT_DOWN] := LongBool(ev.jhat.value and SDL_HAT_DOWN);
+        hat[HAT_LEFT] := LongBool(ev.jhat.value and SDL_HAT_LEFT);
+        hat[HAT_RIGHT] := LongBool(ev.jhat.value and SDL_HAT_RIGHT);
+        for i := HAT_LEFT to HAT_DOWN do
+        begin
+          if JoystickHatState[ev.jhat.which, i] <> hat[i] then
+          begin
+            down := hat[i];
+            key := e_JoyHatToKey(ev.jhat.which, ev.jhat.hat, i);
+            e_KeyUpDown(key, down);
+            g_Console_ProcessBind(key, down);
+            if down then KeyPress(key)
+          end
+        end;
+        JoystickHatState[ev.jhat.which] := hat
+      end;
+
+(*
+    SDL_JOYDEVICEADDED, SDL_JOYDEVICEREMOVED:
+      begin
+        // TODO update menu here
+      end
+*)
+
     {$IF not DEFINED(HEADLESS) and DEFINED(ENABLE_HOLMES)}
     SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONUP, SDL_MOUSEWHEEL, SDL_MOUSEMOTION:
       fuiOnSDLEvent(ev);
@@ -663,7 +716,7 @@ begin
     EventHandler(ev);
     if (ev.type_ = SDL_QUITEV) then break;
   end;
-  e_PollJoysticks();
+  //e_PollJoysticks();
 
   if (ev.type_ = SDL_QUITEV) or (gExit = EXIT_QUIT) then
   begin
@@ -730,7 +783,7 @@ begin
     result := EventHandler(ev);
     if (ev.type_ = SDL_QUITEV) then exit;
   end;
-  e_PollJoysticks();
+  //e_PollJoysticks();
 end;