Removed AmigaOS code for 1.3 branch.
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402215
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33 changed files with 3 additions and 5638 deletions
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_JOYSTICK_AMIGA
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/* This is the system specific header for the SDL joystick API */
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#include <libraries/lowlevel.h>
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#if defined(__SASC) || defined(STORMC4_WOS)
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#include <proto/exec.h>
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#include <proto/lowlevel.h>
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#include <proto/graphics.h>
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#else
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#include <inline/exec.h>
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#include <inline/lowlevel.h>
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#include <inline/graphics.h>
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#endif
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#include "mydebug.h"
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extern struct ExecBase *SysBase;
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extern struct GfxBase *GfxBase;
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#include "SDL_joystick.h"
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#include "../SDL_sysjoystick.h"
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#include "../SDL_joystick_c.h"
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/* Function to scan the system for joysticks.
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* This function should set SDL_numjoysticks to the number of available
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* joysticks. Joystick 0 should be the system default joystick.
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* It should return 0, or -1 on an unrecoverable fatal error.
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*/
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/* Amiga specific datas */
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struct Library *LowLevelBase = NULL;
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ULONG joybut[] = {
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JPF_BUTTON_RED,
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JPF_BUTTON_BLUE,
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JPF_BUTTON_PLAY,
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JPF_BUTTON_YELLOW,
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JPF_BUTTON_GREEN,
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JPF_BUTTON_FORWARD,
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JPF_BUTTON_REVERSE,
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};
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struct joystick_hwdata
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{
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ULONG joystate;
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};
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int
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SDL_SYS_JoystickInit(void)
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{
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if (!LowLevelBase) {
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if (LowLevelBase = OpenLibrary("lowlevel.library", 37))
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return 2;
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} else
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return 2;
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D(bug("%ld joysticks available.\n", SDL_numjoysticks));
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return 0;
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}
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/* Function to get the device-dependent name of a joystick */
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const char *
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SDL_SYS_JoystickName(int index)
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{
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if (index < 2 && LowLevelBase) {
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switch (index) {
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case 0:
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return "Port 1 Amiga Joystick/Joypad";
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case 1:
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return "Port 2 Amiga Joystick/Joypad";
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}
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}
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SDL_SetError("No joystick available with that index");
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return (NULL);
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}
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/* Function to open a joystick for use.
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The joystick to open is specified by the index field of the joystick.
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This should fill the nbuttons and naxes fields of the joystick structure.
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It returns 0, or -1 if there is an error.
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*/
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int
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SDL_SYS_JoystickOpen(SDL_Joystick * joystick)
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{
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ULONG temp, i;
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D(bug("Opening joystick %ld\n", joystick->index));
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if (!(joystick->hwdata = SDL_malloc(sizeof(struct joystick_hwdata))))
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return -1;
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/* This loop is to check if the controller is a joypad */
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for (i = 0; i < 20; i++) {
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temp = ReadJoyPort(joystick->index ^ 1); // fix to invert amiga joyports
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WaitTOF();
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}
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if ((temp & JP_TYPE_MASK) == JP_TYPE_GAMECTLR)
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joystick->nbuttons = 7;
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else
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joystick->nbuttons = 3;
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joystick->nhats = 0;
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joystick->nballs = 0;
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joystick->naxes = 2;
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joystick->hwdata->joystate = 0L;
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return 0;
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}
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/* Function to update the state of a joystick - called as a device poll.
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* This function shouldn't update the joystick structure directly,
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* but instead should call SDL_PrivateJoystick*() to deliver events
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* and update joystick device state.
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*/
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void
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SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
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{
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ULONG data;
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int i;
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if (joystick->index < 2) {
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data = ReadJoyPort(joystick->index);
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if (data & JP_DIRECTION_MASK) {
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if (data & JPF_JOY_DOWN) {
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if (!(joystick->hwdata->joystate & JPF_JOY_DOWN))
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SDL_PrivateJoystickAxis(joystick, 0, 127);
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} else if (data & JPF_JOY_UP) {
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if (!(joystick->hwdata->joystate & JPF_JOY_UP))
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SDL_PrivateJoystickAxis(joystick, 0, -127);
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} else if (joystick->hwdata->
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joystate & (JPF_JOY_UP | JPF_JOY_DOWN))
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SDL_PrivateJoystickAxis(joystick, 0, 0);
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if (data & JPF_JOY_LEFT) {
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if (!(joystick->hwdata->joystate & JPF_JOY_LEFT))
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SDL_PrivateJoystickAxis(joystick, 1, -127);
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} else if (data & JPF_JOY_RIGHT) {
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if (!(joystick->hwdata->joystate & JPF_JOY_RIGHT))
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SDL_PrivateJoystickAxis(joystick, 1, 127);
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} else if (joystick->hwdata->
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joystate & (JPF_JOY_LEFT | JPF_JOY_RIGHT))
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SDL_PrivateJoystickAxis(joystick, 1, 0);
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} else if (joystick->hwdata->
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joystate & (JPF_JOY_LEFT | JPF_JOY_RIGHT)) {
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SDL_PrivateJoystickAxis(joystick, 1, 0);
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} else if (joystick->hwdata->joystate & (JPF_JOY_UP | JPF_JOY_DOWN)) {
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SDL_PrivateJoystickAxis(joystick, 0, 0);
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}
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for (i = 0; i < joystick->nbuttons; i++) {
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if ((data & joybut[i])) {
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if (i == 1)
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data &= (~(joybut[2]));
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if (!(joystick->hwdata->joystate & joybut[i]))
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SDL_PrivateJoystickButton(joystick, i, SDL_PRESSED);
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} else if (joystick->hwdata->joystate & joybut[i])
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SDL_PrivateJoystickButton(joystick, i, SDL_RELEASED);
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}
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joystick->hwdata->joystate = data;
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}
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return;
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}
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/* Function to close a joystick after use */
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void
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SDL_SYS_JoystickClose(SDL_Joystick * joystick)
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{
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if (joystick->hwdata)
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SDL_free(joystick->hwdata);
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return;
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}
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/* Function to perform any system-specific joystick related cleanup */
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void
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SDL_SYS_JoystickQuit(void)
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{
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if (LowLevelBase) {
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CloseLibrary(LowLevelBase);
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LowLevelBase = NULL;
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SDL_numjoysticks = 0;
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}
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return;
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}
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#endif /* SDL_JOYSTICK_AMIGA */
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/* vi: set ts=4 sw=4 expandtab: */
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