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30e437f9e3
variables, writeable strings and dangerously shadowed variables. index(), gamma(), exp() and y0() are POSIX functions and using those names can cause namespace confusion. A number of C files were missing the final newline required by ANSI C and some versions of GCC are pedantic enough to complain about this. These changes simply the scons build, allowing us to get rid of filterWarnings which is simply more trouble than it's worth. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5574 8ced0084-cf51-0410-be5f-012b33b47a6e
177 lines
4.9 KiB
C
177 lines
4.9 KiB
C
/*
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* wiiuse
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*
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* Written By:
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* Michael Laforest < para >
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* Email: < thepara (--AT--) g m a i l [--DOT--] com >
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*
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* Copyright 2006-2007
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*
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* This file is part of wiiuse.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* $Header$
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*
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*/
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/**
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* @file
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* @brief Guitar Hero 3 expansion device.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#ifdef WIN32
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#include <Winsock2.h>
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#endif
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#include "definitions.h"
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#include "wiiuse_internal.h"
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#include "dynamics.h"
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#include "events.h"
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#include "guitar_hero_3.h"
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static void guitar_hero_3_pressed_buttons(struct guitar_hero_3_t* gh3, short now);
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/**
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* @brief Handle the handshake data from the guitar.
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*
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* @param cc A pointer to a classic_ctrl_t structure.
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* @param data The data read in from the device.
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* @param len The length of the data block, in bytes.
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*
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* @return Returns 1 if handshake was successful, 0 if not.
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*/
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int guitar_hero_3_handshake(struct wiimote_t* wm, struct guitar_hero_3_t* gh3, byte* data, unsigned short len) {
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/*
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* The good fellows that made the Guitar Hero 3 controller
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* failed to factory calibrate the devices. There is no
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* calibration data on the device.
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*/
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gh3->btns = 0;
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gh3->btns_held = 0;
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gh3->btns_released = 0;
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gh3->wb_raw = 0;
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gh3->whammy_bar = 0.0f;
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gh3->tb_raw = 0;
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gh3->touch_bar = -1;
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/* joystick stuff */
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gh3->js.max.x = GUITAR_HERO_3_JS_MAX_X;
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gh3->js.min.x = GUITAR_HERO_3_JS_MIN_X;
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gh3->js.center.x = GUITAR_HERO_3_JS_CENTER_X;
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gh3->js.max.y = GUITAR_HERO_3_JS_MAX_Y;
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gh3->js.min.y = GUITAR_HERO_3_JS_MIN_Y;
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gh3->js.center.y = GUITAR_HERO_3_JS_CENTER_Y;
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/* handshake done */
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wm->event = WIIUSE_GUITAR_HERO_3_CTRL_INSERTED;
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wm->exp.type = EXP_GUITAR_HERO_3;
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wm->timeout = WIIMOTE_DEFAULT_TIMEOUT;
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return 1;
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}
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/**
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* @brief The guitar disconnected.
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*
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* @param cc A pointer to a classic_ctrl_t structure.
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*/
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void guitar_hero_3_disconnected(struct guitar_hero_3_t* gh3) {
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memset(gh3, 0, sizeof(struct guitar_hero_3_t));
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}
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/**
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* @brief Handle guitar event.
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*
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* @param cc A pointer to a classic_ctrl_t structure.
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* @param msg The message specified in the event packet.
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*/
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void guitar_hero_3_event(struct guitar_hero_3_t* gh3, byte* msg) {
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int i;
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/* decrypt data */
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for (i = 0; i < 6; ++i)
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msg[i] = (msg[i] ^ 0x17) + 0x17;
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guitar_hero_3_pressed_buttons(gh3, BIG_ENDIAN_SHORT(*(short*)(msg + 4)));
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gh3->js.pos.x = (msg[0] & GUITAR_HERO_3_JS_MASK);
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gh3->js.pos.y = (msg[1] & GUITAR_HERO_3_JS_MASK);
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gh3->tb_raw = (msg[2] & GUITAR_HERO_3_TOUCH_MASK);
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gh3->wb_raw = (msg[3] & GUITAR_HERO_3_WHAMMY_MASK);
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/* touch bar */
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gh3->touch_bar = 0;
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if (gh3->tb_raw > 0x1B)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_ORANGE;
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else if (gh3->tb_raw > 0x18)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_ORANGE | GUITAR_HERO_3_TOUCH_BLUE;
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else if (gh3->tb_raw > 0x15)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_BLUE;
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else if (gh3->tb_raw > 0x13)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_BLUE | GUITAR_HERO_3_TOUCH_YELLOW;
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else if (gh3->tb_raw > 0x10)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_YELLOW;
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else if (gh3->tb_raw > 0x0D)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_AVAILABLE;
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else if (gh3->tb_raw > 0x0B)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_YELLOW | GUITAR_HERO_3_TOUCH_RED;
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else if (gh3->tb_raw > 0x08)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_RED;
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else if (gh3->tb_raw > 0x05)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_RED | GUITAR_HERO_3_TOUCH_GREEN;
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else if (gh3->tb_raw > 0x02)
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gh3->touch_bar = GUITAR_HERO_3_TOUCH_GREEN;
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/* whammy bar */
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gh3->whammy_bar = (msg[3] - GUITAR_HERO_3_WHAMMY_BAR_MIN) / (float)(GUITAR_HERO_3_WHAMMY_BAR_MAX - GUITAR_HERO_3_WHAMMY_BAR_MIN);
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/* joy stick */
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calc_joystick_state(&gh3->js, gh3->js.pos.x, gh3->js.pos.y);
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}
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/**
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* @brief Find what buttons are pressed.
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*
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* @param cc A pointer to a classic_ctrl_t structure.
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* @param msg The message byte specified in the event packet.
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*/
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static void guitar_hero_3_pressed_buttons(struct guitar_hero_3_t* gh3, short now) {
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/* message is inverted (0 is active, 1 is inactive) */
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now = ~now & GUITAR_HERO_3_BUTTON_ALL;
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/* preserve old btns pressed */
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gh3->btns_last = gh3->btns;
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/* pressed now & were pressed, then held */
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gh3->btns_held = (now & gh3->btns);
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/* were pressed or were held & not pressed now, then released */
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gh3->btns_released = ((gh3->btns | gh3->btns_held) & ~now);
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/* buttons pressed now */
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gh3->btns = now;
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}
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