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- /* -*- mode: c; tab-width: 4; c-basic-offset: 3; c-file-style: "linux" -*- */
- //
- // Copyright (c) 2009, Wei Mingzhi <whistler_wmz@users.sf.net>.
- // Portions Copyright (c) 2009, netwan.
- //
- // All rights reserved.
- //
- // This file is part of SDLPAL.
- //
- // SDLPAL 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.
- //
- // 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, see <http://www.gnu.org/licenses/>.
- //
- #include "main.h"
- #include <math.h>
- PALINPUTSTATE g_InputState;
- static SDL_Joystick *g_pJoy = NULL;
- BOOL g_fUseJoystick = TRUE;
- #if defined(GPH)
- #define MIN_DEADZONE -16384
- #define MAX_DEADZONE 16384
- #endif
- static VOID
- PAL_KeyboardEventFilter(
- const SDL_Event *lpEvent
- )
- /*++
- Purpose:
- Handle keyboard events.
- Parameters:
- [IN] lpEvent - pointer to the event.
- Return value:
- None.
- --*/
- {
- switch (lpEvent->type)
- {
- case SDL_KEYDOWN:
- //
- // Pressed a key
- //
- if (lpEvent->key.keysym.mod & KMOD_ALT)
- {
- if (lpEvent->key.keysym.sym == SDLK_RETURN)
- {
- //
- // Pressed Alt+Enter (toggle fullscreen)...
- //
- VIDEO_ToggleFullscreen();
- return;
- }
- else if (lpEvent->key.keysym.sym == SDLK_F4)
- {
- //
- // Pressed Alt+F4 (Exit program)...
- //
- PAL_Shutdown();
- exit(0);
- }
- }
- switch (lpEvent->key.keysym.sym)
- {
- #ifdef __SYMBIAN32__
- //
- // Symbian-specific stuff
- //
- case SDLK_0:
- VIDEO_ToggleScaleScreen();
- break;
- case SDLK_1:
- SOUND_AdjustVolume(0);
- break;
- case SDLK_3:
- SOUND_AdjustVolume(1);
- break;
- #endif
- case SDLK_UP:
- case SDLK_KP8:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirNorth;
- g_InputState.dwKeyPress |= kKeyUp;
- break;
- case SDLK_DOWN:
- case SDLK_KP2:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirSouth;
- g_InputState.dwKeyPress |= kKeyDown;
- break;
- case SDLK_LEFT:
- case SDLK_KP4:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirWest;
- g_InputState.dwKeyPress |= kKeyLeft;
- break;
- case SDLK_RIGHT:
- case SDLK_KP6:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirEast;
- g_InputState.dwKeyPress |= kKeyRight;
- break;
- #if defined(DINGOO)
- case SDLK_SPACE:
- g_InputState.dwKeyPress = kKeyMenu;
- break;
- case SDLK_LCTRL:
- g_InputState.dwKeyPress = kKeySearch;
- break;
- #else
- case SDLK_ESCAPE:
- case SDLK_INSERT:
- case SDLK_LALT:
- case SDLK_RALT:
- case SDLK_KP0:
- g_InputState.dwKeyPress |= kKeyMenu;
- break;
- case SDLK_RETURN:
- case SDLK_SPACE:
- case SDLK_KP_ENTER:
- case SDLK_LCTRL:
- g_InputState.dwKeyPress |= kKeySearch;
- break;
- case SDLK_PAGEUP:
- case SDLK_KP9:
- g_InputState.dwKeyPress |= kKeyPgUp;
- break;
- case SDLK_PAGEDOWN:
- case SDLK_KP3:
- g_InputState.dwKeyPress |= kKeyPgDn;
- break;
- case SDLK_7: //7 for mobile device
- case SDLK_r:
- g_InputState.dwKeyPress |= kKeyRepeat;
- break;
- case SDLK_2: //2 for mobile device
- case SDLK_a:
- g_InputState.dwKeyPress |= kKeyAuto;
- break;
- case SDLK_d:
- g_InputState.dwKeyPress |= kKeyDefend;
- break;
- case SDLK_e:
- g_InputState.dwKeyPress |= kKeyUseItem;
- break;
- case SDLK_w:
- g_InputState.dwKeyPress |= kKeyThrowItem;
- break;
- case SDLK_q:
- g_InputState.dwKeyPress |= kKeyFlee;
- break;
- case SDLK_s:
- g_InputState.dwKeyPress |= kKeyStatus;
- break;
- case SDLK_f:
- case SDLK_5: // 5 for mobile device
- g_InputState.dwKeyPress |= kKeyForce;
- break;
- case SDLK_HASH: //# for mobile device
- case SDLK_p:
- VIDEO_SaveScreenshot();
- break;
- #endif
- default:
- break;
- }
- break;
- case SDL_KEYUP:
- //
- // Released a key
- //
- switch (lpEvent->key.keysym.sym)
- {
- case SDLK_UP:
- case SDLK_KP8:
- if (g_InputState.dir == kDirNorth)
- {
- g_InputState.dir = g_InputState.prevdir;
- }
- g_InputState.prevdir = kDirUnknown;
- break;
- case SDLK_DOWN:
- case SDLK_KP2:
- if (g_InputState.dir == kDirSouth)
- {
- g_InputState.dir = g_InputState.prevdir;
- }
- g_InputState.prevdir = kDirUnknown;
- break;
- case SDLK_LEFT:
- case SDLK_KP4:
- if (g_InputState.dir == kDirWest)
- {
- g_InputState.dir = g_InputState.prevdir;
- }
- g_InputState.prevdir = kDirUnknown;
- break;
- case SDLK_RIGHT:
- case SDLK_KP6:
- if (g_InputState.dir == kDirEast)
- {
- g_InputState.dir = g_InputState.prevdir;
- }
- g_InputState.prevdir = kDirUnknown;
- break;
- default:
- break;
- }
- break;
- }
- }
- static VOID
- PAL_MouseEventFilter(
- const SDL_Event *lpEvent
- )
- /*++
- Purpose:
- Handle mouse events.
- Parameters:
- [IN] lpEvent - pointer to the event.
- Return value:
- None.
- --*/
- {
- #ifdef PAL_HAS_MOUSE
- static short hitTest = 0; // Double click detect;
- const SDL_VideoInfo *vi;
- double screenWidth, gridWidth;
- double screenHeight, gridHeight;
- double mx, my;
- double thumbx;
- double thumby;
- INT gridIndex;
- BOOL isLeftMouseDBClick = FALSE;
- BOOL isLeftMouseClick = FALSE;
- BOOL isRightMouseClick = FALSE;
- static INT lastReleaseButtonTime, lastPressButtonTime, betweenTime;
- static INT lastPressx = 0;
- static INT lastPressy = 0;
- static INT lastReleasex = 0;
- static INT lastReleasey = 0;
- if (lpEvent->type!= SDL_MOUSEBUTTONDOWN && lpEvent->type != SDL_MOUSEBUTTONUP)
- return;
- vi = SDL_GetVideoInfo();
- screenWidth = vi->current_w;
- screenHeight = vi->current_h;
- gridWidth = screenWidth / 3;
- gridHeight = screenHeight / 3;
- mx = lpEvent->button.x;
- my = lpEvent->button.y;
- thumbx = ceil(mx / gridWidth);
- thumby = floor(my / gridHeight);
- gridIndex = thumbx + thumby * 3 - 1;
-
- switch (lpEvent->type)
- {
- case SDL_MOUSEBUTTONDOWN:
- lastPressButtonTime = SDL_GetTicks();
- lastPressx = lpEvent->button.x;
- lastPressy = lpEvent->button.y;
- switch (gridIndex)
- {
- case 2:
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirNorth;
- break;
- case 6:
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirSouth;
- break;
- case 0:
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirWest;
- break;
- case 8:
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirEast;
- break;
- case 1:
- //g_InputState.prevdir = g_InputState.dir;
- //g_InputState.dir = kDirNorth;
- g_InputState.dwKeyPress |= kKeyUp;
- break;
- case 7:
- //g_InputState.prevdir = g_InputState.dir;
- //g_InputState.dir = kDirSouth;
- g_InputState.dwKeyPress |= kKeyDown;
- break;
- case 3:
- //g_InputState.prevdir = g_InputState.dir;
- //g_InputState.dir = kDirWest;
- g_InputState.dwKeyPress |= kKeyLeft;
- break;
- case 5:
- //g_InputState.prevdir = g_InputState.dir;
- //g_InputState.dir = kDirEast;
- g_InputState.dwKeyPress |= kKeyRight;
- break;
- }
- break;
- case SDL_MOUSEBUTTONUP:
- lastReleaseButtonTime = SDL_GetTicks();
- lastReleasex = lpEvent->button.x;
- lastReleasey = lpEvent->button.y;
- hitTest ++;
- if (abs(lastPressx - lastReleasex) < 25 &&
- abs(lastPressy - lastReleasey) < 25)
- {
- betweenTime = lastReleaseButtonTime - lastPressButtonTime;
- if (betweenTime >500)
- {
- isRightMouseClick = TRUE;
- }
- else if (betweenTime >=0)
- {
- if((betweenTime < 100) && (hitTest >= 2))
- {
- isLeftMouseClick = TRUE;
- hitTest = 0;
- }
- else
- {
- isLeftMouseClick = TRUE;
- if(betweenTime > 100)
- {
- hitTest = 0;
- }
-
- }
- }
- }
- switch (gridIndex)
- {
- case 2:
- if( isLeftMouseDBClick )
- {
- SOUND_AdjustVolume(1);
- break;
- }
- case 6:
- case 0:
- if( isLeftMouseDBClick )
- {
- SOUND_AdjustVolume(0);
- break;
- }
- case 7:
- if (isRightMouseClick) //repeat attack
- {
- g_InputState.dwKeyPress |= kKeyRepeat;
- break;
- }
- case 8:
- g_InputState.dir = kDirUnknown;
- g_InputState.prevdir = kDirUnknown;
- break;
- case 1:
- if( isRightMouseClick )
- {
- g_InputState.dwKeyPress |= kKeyForce;
- }
- break;
- case 3:
- if( isRightMouseClick )
- {
- g_InputState.dwKeyPress |= kKeyAuto;
- }
- break;
- case 5:
- if( isRightMouseClick )
- {
- g_InputState.dwKeyPress |= kKeyDefend;
- }
- break;
- case 4:
- if (isRightMouseClick) // menu
- {
- g_InputState.dwKeyPress |= kKeyMenu;
- }
- else if (isLeftMouseClick) // search
- {
- g_InputState.dwKeyPress |= kKeySearch;
- }
-
- break;
- }
- break;
- }
- #endif
- }
- static VOID
- PAL_JoystickEventFilter(
- const SDL_Event *lpEvent
- )
- /*++
- Purpose:
- Handle joystick events.
- Parameters:
- [IN] lpEvent - pointer to the event.
- Return value:
- None.
- --*/
- {
- #ifdef PAL_HAS_JOYSTICKS
- switch (lpEvent->type)
- {
- #if defined (GEKKO)
- case SDL_JOYHATMOTION:
- switch (lpEvent->jhat.value)
- {
- case SDL_HAT_LEFT:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirWest;
- g_InputState.dwKeyPress = kKeyLeft;
- break;
- case SDL_HAT_RIGHT:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirEast;
- g_InputState.dwKeyPress = kKeyRight;
- break;
- case SDL_HAT_UP:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirNorth;
- g_InputState.dwKeyPress = kKeyUp;
- break;
- case SDL_HAT_DOWN:
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirSouth;
- g_InputState.dwKeyPress = kKeyDown;
- break;
- }
- break;
- #else
- case SDL_JOYAXISMOTION:
- //
- // Moved an axis on joystick
- //
- switch (lpEvent->jaxis.axis)
- {
- case 0:
- //
- // X axis
- //
- #if defined(GPH)
- if (lpEvent->jaxis.value > MAX_DEADZONE) {
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirEast;
- g_InputState.dwKeyPress = kKeyRight;
- } else if (lpEvent->jaxis.value < MIN_DEADZONE) {
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirWest;
- g_InputState.dwKeyPress = kKeyLeft;
- } else {
- g_InputState.dir = kDirUnknown;
- }
- #else
- if (lpEvent->jaxis.value > 20000)
- {
- if (g_InputState.dir != kDirEast)
- {
- g_InputState.dwKeyPress |= kKeyRight;
- }
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirEast;
- }
- else if (lpEvent->jaxis.value < -20000)
- {
- if (g_InputState.dir != kDirWest)
- {
- g_InputState.dwKeyPress |= kKeyLeft;
- }
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirWest;
- }
- else
- {
- if (g_InputState.prevdir != kDirEast &&
- g_InputState.prevdir != kDirWest)
- {
- g_InputState.dir = g_InputState.prevdir;
- }
- g_InputState.prevdir = kDirUnknown;
- }
- #endif
- break;
- case 1:
- //
- // Y axis
- //
- #if defined(GPH)
- if (lpEvent->jaxis.value > MAX_DEADZONE) {
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirSouth;
- g_InputState.dwKeyPress = kKeyDown;
- } else if (lpEvent->jaxis.value < MIN_DEADZONE) {
- g_InputState.prevdir = (gpGlobals->fInBattle ? kDirUnknown : g_InputState.dir);
- g_InputState.dir = kDirNorth;
- g_InputState.dwKeyPress = kKeyUp;
- } else {
- g_InputState.dir = kDirUnknown;
- }
- #else
- if (lpEvent->jaxis.value > 20000)
- {
- if (g_InputState.dir != kDirSouth)
- {
- g_InputState.dwKeyPress |= kKeyDown;
- }
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirSouth;
- }
- else if (lpEvent->jaxis.value < -20000)
- {
- if (g_InputState.dir != kDirNorth)
- {
- g_InputState.dwKeyPress |= kKeyUp;
- }
- g_InputState.prevdir = g_InputState.dir;
- g_InputState.dir = kDirNorth;
- }
- else
- {
- if (g_InputState.prevdir != kDirNorth &&
- g_InputState.prevdir != kDirSouth)
- {
- g_InputState.dir = g_InputState.prevdir;
- }
- g_InputState.prevdir = kDirUnknown;
- }
- #endif
- break;
- }
- break;
- #endif
- case SDL_JOYBUTTONDOWN:
- //
- // Pressed the joystick button
- //
- #if defined(GPH)
- switch (lpEvent->jbutton.button)
- {
- #if defined(GP2XWIZ)
- case 14:
- #elif defined(CAANOO)
- case 3:
- #endif
- g_InputState.dwKeyPress = kKeyMenu;
- break;
- #if defined(GP2XWIZ)
- case 13:
- #elif defined(CAANOO)
- case 2:
- #endif
- g_InputState.dwKeyPress = kKeySearch;
- break;
- #else
- #if defined(GEKKO)
- switch (lpEvent->jbutton.button)
- {
- case 2:
- g_InputState.dwKeyPress |= kKeyMenu;
- break;
- case 3:
- g_InputState.dwKeyPress |= kKeySearch;
- break;
- #else
- switch (lpEvent->jbutton.button & 1)
- {
- case 0:
- g_InputState.dwKeyPress |= kKeyMenu;
- break;
- case 1:
- g_InputState.dwKeyPress |= kKeySearch;
- break;
- #endif
- #endif
- }
- break;
- }
- #endif
- }
- static VOID
- PAL_TouchEventFilter(
- const SDL_Event *lpEvent
- )
- /*++
- Purpose:
- Handle touch events.
- Parameters:
- [IN] lpEvent - pointer to the event.
- Return value:
- None.
- --*/
- {
- #ifdef PAL_HAS_TOUCH
- static float startX = 0.0;
- static float startY = 0.0;
- static float dx = 0.0;
- static float dy = 0.0;
- static SDL_TouchID finger = 0;
- static int moved = 0;
- switch (lpEvent->type)
- {
- case SDL_FINGERDOWN:
- // only care about the first finger
- finger = lpEvent->tfinger.fingerId;
- startX = lpEvent->tfinger.x;
- startY = lpEvent->tfinger.y;
- dx = 0.0;
- dy = 0.0;
- moved = 0;
- break;
- case SDL_FINGERUP:
- if (lpEvent->tfinger.fingerId == finger && !moved)
- {
- if (startX > 0.7 && startY < 0.2)
- {
- // click on right corner: menu
- g_InputState.dwKeyPress = kKeyMenu;
- }
- else
- {
- // click on rest of the area: enter
- g_InputState.dwKeyPress = kKeySearch;
- }
- }
- break;
- case SDL_FINGERMOTION:
- if (lpEvent->tfinger.fingerId == finger)
- {
- dx = lpEvent->tfinger.dx;
- dy = lpEvent->tfinger.dy;
- if (fabs(dx) > 0.1 && fabs(dy) > 0.1)
- {
- moved = 1;
- if (dx > 0.1)
- {
- if (dy > 0.1)
- {
- g_InputState.dir = kDirNorth;
- g_InputState.prevdir = kDirUnknown;
- }
- else if (dy < -0.1)
- {
- g_InputState.dir = kDirEast;
- g_InputState.prevdir = kDirUnknown;
- }
- }
- else if (dx < -0.1)
- {
- if (dy > 0.1)
- {
- g_InputState.dir = kDirWest;
- g_InputState.prevdir = kDirUnknown;
- }
- else if (dy < -0.1)
- {
- g_InputState.dir = kDirSouth;
- g_InputState.prevdir = kDirUnknown;
- }
- }
- if (fabs(dx) > fabs(dy))
- {
- if (dx > 0.3)
- {
- g_InputState.dwKeyPress |= kKeyRight;
- }
- else if (dx < -0.3)
- {
- g_InputState.dwKeyPress |= kKeyLeft;
- }
- }
- else if (fabs(dy) > fabs(dx))
- {
- if (dy > 0.3)
- {
- g_InputState.dwKeyPress |= kKeyUp;
- }
- else if (dy < -0.3)
- {
- g_InputState.dwKeyPress |= kKeyDown;
- }
- }
- }
- }
- break;
- }
- #endif
- }
- #if SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION <= 2
- static int SDLCALL
- PAL_EventFilter(
- const SDL_Event *lpEvent
- )
- #else
- static int SDLCALL
- PAL_EventFilter(
- void *userdata,
- SDL_Event *lpEvent
- )
- #endif
- /*++
- Purpose:
- SDL event filter function. A filter to process all events.
- Parameters:
- [IN] lpEvent - pointer to the event.
- Return value:
- 1 = the event will be added to the internal queue.
- 0 = the event will be dropped from the queue.
- --*/
- {
- switch (lpEvent->type)
- {
- #if SDL_VERSION_ATLEAST(2,0,0)
- case SDL_WINDOWEVENT:
- if (lpEvent->window.event == SDL_WINDOWEVENT_RESIZED)
- {
- //
- // resized the window
- //
- VIDEO_Resize(lpEvent->window.data1, lpEvent->window.data2);
- }
- break;
- #else
- case SDL_VIDEORESIZE:
- //
- // resized the window
- //
- VIDEO_Resize(lpEvent->resize.w, lpEvent->resize.h);
- break;
- #endif
- case SDL_QUIT:
- //
- // clicked on the close button of the window. Quit immediately.
- //
- PAL_Shutdown();
- exit(0);
- }
- PAL_KeyboardEventFilter(lpEvent);
- PAL_MouseEventFilter(lpEvent);
- PAL_JoystickEventFilter(lpEvent);
- #if SDL_VERSION_ATLEAST(2,0,0)
- PAL_TouchEventFilter(lpEvent);
- #endif
- //
- // All events are handled here; don't put anything to the internal queue
- //
- return 0;
- }
- VOID
- PAL_ClearKeyState(
- VOID
- )
- /*++
- Purpose:
- Clear the record of pressed keys.
- Parameters:
- None.
- Return value:
- None.
- --*/
- {
- g_InputState.dwKeyPress = 0;
- }
- VOID
- PAL_InitInput(
- VOID
- )
- /*++
- Purpose:
- Initialize the input subsystem.
- Parameters:
- None.
- Return value:
- None.
- --*/
- {
- memset(&g_InputState, 0, sizeof(g_InputState));
- g_InputState.dir = kDirUnknown;
- g_InputState.prevdir = kDirUnknown;
- #if SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION <= 2
- SDL_SetEventFilter(PAL_EventFilter);
- #else
- SDL_SetEventFilter(PAL_EventFilter, NULL);
- #endif
- //
- // Check for joystick
- //
- #ifdef PAL_HAS_JOYSTICKS
- if (SDL_NumJoysticks() > 0 && g_fUseJoystick)
- {
- g_pJoy = SDL_JoystickOpen(0);
- if (g_pJoy != NULL)
- {
- SDL_JoystickEventState(SDL_ENABLE);
- }
- }
- #endif
- }
- VOID
- PAL_ShutdownInput(
- VOID
- )
- /*++
- Purpose:
- Shutdown the input subsystem.
- Parameters:
- None.
- Return value:
- None.
- --*/
- {
- #ifdef PAL_HAS_JOYSTICKS
- #if SDL_VERSION_ATLEAST(2,0,0)
- if (g_pJoy != NULL)
- {
- SDL_JoystickClose(g_pJoy);
- g_pJoy = NULL;
- }
- #else
- if (SDL_JoystickOpened(0))
- {
- assert(g_pJoy != NULL);
- SDL_JoystickClose(g_pJoy);
- g_pJoy = NULL;
- }
- #endif
- #endif
- }
- VOID
- PAL_ProcessEvent(
- VOID
- )
- /*++
- Purpose:
- Process all events.
- Parameters:
- None.
- Return value:
- None.
- --*/
- {
- #ifdef PAL_HAS_NATIVEMIDI
- MIDI_CheckLoop();
- #endif
- while (SDL_PollEvent(NULL));
- }
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