controller.c
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/**********************************************************************
* Controller.c
*
* This file contains the code for interfacing the controllers to the
* game. Basically, when a controller read has completed, check to
* see what buttons have been pressed, and change some external state
* variables to let the application know what has happened.
*
* Copyright 1995, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*********************************************************************/
/*---------------------------------------------------------------------*
Copyright (C) 1998 Nintendo. (Originated by SGI)
$RCSfile: controller.c,v $
$Revision: 1.1.1.1 $
$Date: 2002/05/02 03:27:21 $
*---------------------------------------------------------------------*/
#include <ultralog.h>
#include <sched.h>
#include "simple.h"
#define X_SCALE_INCR 0.05f
#define Y_SCALE_INCR 0.05f
#define X_SCALE_MIN 0.2f
#define X_SCALE_MAX 4.0f
#define Y_SCALE_MIN 0.2f
#define Y_SCALE_MAX 3.0f
#define VELOCITY_INCR 0.2f
/**** Logo values ****/
s8 logoPos_x = 0;
s8 logoPos_y = 0;
s8 logoPos_z = 0;
f32 logoScale_x = 1.0f;
f32 logoScale_y = 1.0f;
f32 logoScale_z = 1.0f;
f32 logoVeloc = 4.0f;
/**** Variables shared with other files ****/
u8 validcontrollers = 0;
/**** variables used by this file for handling the controllers ****/
static OSContStatus statusdata[MAXCONTROLLERS];
static OSContPad controllerdata[MAXCONTROLLERS];
static OSScMsg controllermsg;
static u16 lastButArray[MAXCONTROLLERS];
extern u32 ucode_index;
/**********************************************************************
*
* Routine for initializing the controllers. After initialized, set the
* controller interrupt to be posted to the gfxFrameMsgQ, used by the
* gameproc in simple.c.
*
*********************************************************************/
void initCntrl(void)
{
OSMesgQueue serialMsgQ;
OSMesg serialMsg;
s32 i;
osCreateMesgQueue(&serialMsgQ, &serialMsg, 1);
osSetEventMesg(OS_EVENT_SI, &serialMsgQ, (OSMesg)1);
if((i = osContInit(&serialMsgQ, &validcontrollers, &statusdata[0])) != 0)
PRINTF("Failure initing controllers\n");
/**** Set up message and queue, for read completion notification ****/
controllermsg.type = SIMPLE_CONTROLLER_MSG;
osSetEventMesg(OS_EVENT_SI, &gfxFrameMsgQ, (OSMesg)&controllermsg);
}
/**********************************************************************
*
* Called after the controller read has completed. Check the information
* from the read, and set state variables accordingly. If you were only
* interested in one button press at a time, you could use a switch or
* a jump table. If you are going to respond to multiple button presses,
* you will need to do a series of if's. In this example we only use
* new button presses, ignoring buttons held down. Do this by exclusive
* or'ing the lastbutton with pad->button, and then and pad->button
* with the result to only get the button downs, and ignore button ups.
*
*********************************************************************/
void UpdateController(void)
{
OSContPad *pad;
u16 i, newbutton;
u16 firstCntrl = 1;
osContGetReadData(controllerdata);
for( i = 0; i < MAXCONTROLLERS; i++)
{
if((validcontrollers >> i) & 1) {
pad = &controllerdata[i];
/* ignore controllers with errors */
if (pad->errno)
continue;
/* get bits that have changed, ignore button ups */
newbutton = pad->button ^ lastButArray[i];
newbutton &= pad->button;
lastButArray[i] = pad->button;
if (firstCntrl) { /* joy stick from first controller only */
logoPos_x = pad->stick_x;
logoPos_y = pad->stick_y;
firstCntrl = 0;
}
if (newbutton & CONT_A){
ucode_index ++;
if (ucode_index == 3) ucode_index = 0;
}
#ifndef _FINALROM
if (newbutton & CONT_B)
PRINTF("Controller %d, Button B\n",i);
if (newbutton & CONT_C)
PRINTF("Controller %d, Button C\n",i);
if (newbutton & CONT_D)
PRINTF("Controller %d, Button D\n",i);
if (newbutton & CONT_E)
PRINTF("Controller %d, Button E\n",i);
if (newbutton & CONT_F)
PRINTF("Controller %d, Button F\n",i);
if (newbutton & CONT_G)
PRINTF("Controller %d, Button G\n",i);
#endif
if (pad->button & CONT_UP) /* use continous, not just new */
{
logoScale_y += Y_SCALE_INCR;
if(logoScale_y > Y_SCALE_MAX)
logoScale_y = Y_SCALE_MAX;
}
if (pad->button & CONT_DOWN) /* use continous, not just new */
{
logoScale_y -= Y_SCALE_INCR;
if(logoScale_y < Y_SCALE_MIN)
logoScale_y = Y_SCALE_MIN;
}
if (pad->button & CONT_LEFT) /* use continous, not just new */
{
logoScale_x -= X_SCALE_INCR;
if(logoScale_x < X_SCALE_MIN)
logoScale_x = X_SCALE_MIN;
}
if (pad->button & CONT_RIGHT) /* use continous, not just new */
{
logoScale_x += X_SCALE_INCR;
if(logoScale_x > X_SCALE_MAX)
logoScale_x = X_SCALE_MAX;
}
if (pad->button & CONT_R)
logoVeloc += VELOCITY_INCR;
if (pad->button & CONT_L)
logoVeloc -= VELOCITY_INCR;
}
}
}