rockbox/apps/plugins/dice.c
Jens Arnold f9b90e9103 Now charcell displays require lcd_update() for updating the main lcd content like bitmap displays.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13050 a1c6a512-1295-4272-9138-f99709370657
2007-04-06 22:55:00 +00:00

264 lines
7.8 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Brandon Low
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/*****************************************************************************
Dice by lostlogic
use left and right to pick between sides and number of dice
use up and down to select number of sides or number of dice
use select or play to roll the dice
use stop to exit
*****************************************************************************/
#include "plugin.h"
#define MAX_DICE 12
#define NUM_SIDE_CHOICES 8
#if (CONFIG_KEYPAD == PLAYER_PAD)
#define START_DICE_ROW 1
#define ROWS 1
#define LINE_LENGTH 50
#define SELECTIONS_ROW 0
#else
#if (CONFIG_KEYPAD == RECORDER_PAD) || (CONFIG_KEYPAD == ONDIO_PAD)
#define START_DICE_ROW 0
#define ROWS 3
#define LINE_LENGTH 18
#else
#define START_DICE_ROW 0
#define ROWS 2
#define LINE_LENGTH 26
#endif
#endif
#define min(x,y) (x<y?x:y)
#define max(x,y) (x>y?x:y)
#if CONFIG_KEYPAD == RECORDER_PAD
#define DICE_BUTTON_ON BUTTON_ON
#define DICE_BUTTON_OFF BUTTON_OFF
#define DICE_BUTTON_SELECT BUTTON_PLAY
#elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
#define DICE_BUTTON_ON BUTTON_ON
#define DICE_BUTTON_OFF BUTTON_OFF
#define DICE_BUTTON_SELECT BUTTON_SELECT
#elif CONFIG_KEYPAD == ONDIO_PAD
#define DICE_BUTTON_ON (BUTTON_MENU|BUTTON_OFF)
#define DICE_BUTTON_OFF BUTTON_OFF
#define DICE_BUTTON_SELECT (BUTTON_MENU|BUTTON_REL)
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define DICE_BUTTON_ON BUTTON_ON
#define DICE_BUTTON_OFF BUTTON_OFF
#define DICE_BUTTON_SELECT BUTTON_SELECT
#define DICE_BUTTON_RC_OFF BUTTON_RC_STOP
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
#define DICE_BUTTON_ON (BUTTON_SELECT|BUTTON_PLAY)
#define DICE_BUTTON_OFF (BUTTON_PLAY|BUTTON_REPEAT)
#define DICE_BUTTON_SELECT BUTTON_SELECT
#elif CONFIG_KEYPAD == PLAYER_PAD
#define DICE_BUTTON_ON (BUTTON_ON|BUTTON_REPEAT)
#define DICE_BUTTON_OFF BUTTON_MENU
#define DICE_BUTTON_SELECT BUTTON_ON
#elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
#define DICE_BUTTON_ON BUTTON_PLAY
#define DICE_BUTTON_OFF BUTTON_POWER
#define DICE_BUTTON_SELECT BUTTON_SELECT
#elif CONFIG_KEYPAD == GIGABEAT_PAD
#define DICE_BUTTON_ON BUTTON_POWER
#define DICE_BUTTON_OFF BUTTON_A
#define DICE_BUTTON_SELECT BUTTON_SELECT
#elif CONFIG_KEYPAD == SANSA_E200_PAD
#define DICE_BUTTON_ON BUTTON_UP
#define DICE_BUTTON_OFF BUTTON_POWER
#define DICE_BUTTON_SELECT BUTTON_SELECT
#elif CONFIG_KEYPAD == IRIVER_H10_PAD
#define DICE_BUTTON_ON BUTTON_PLAY
#define DICE_BUTTON_OFF BUTTON_POWER
#define DICE_BUTTON_SELECT BUTTON_REW
#else
#error DICE: Unsupported keypad
#endif
PLUGIN_HEADER
/* 0, 1, 2, 3, 4, 5, 6, 7 */
static const int SIDES[] = { 3, 4, 6, 8, 10, 12, 20, 100 };
static struct plugin_api* rb;
static int roll_dice(int dice[], const int num_dice, const int side_index);
static void print_dice(const int dice[], const int total);
static bool dice_menu(int *num_dice, int *side_index);
/* plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter) {
int side_index = 6;
int num_dice = 1;
bool exit = false;
int dice[MAX_DICE];
int total;
/* plugin init */
(void)parameter;
rb = api;
rb->lcd_clear_display();
rb->srand(*rb->current_tick);
/* end of plugin init */
if(!dice_menu(&num_dice, &side_index))
exit = true;
else {
total = roll_dice(dice, num_dice, side_index);
print_dice(dice, total);
}
while(!exit) {
switch(rb->button_get(true)) {
case DICE_BUTTON_ON:
case DICE_BUTTON_SELECT:
total = roll_dice(dice, num_dice, side_index);
print_dice(dice, total);
break;
#ifdef DICE_BUTTON_RC_OFF
case DICE_BUTTON_RC_OFF:
#endif
case DICE_BUTTON_OFF:
exit=true;
break;
default:
break;
} /* switch */
} /* while */
return PLUGIN_OK;
}
/* Clears the dice array, rolls the dice and returns the sum */
static int roll_dice(int dice[], const int num_dice, const int side_index) {
int i;
int total = 0;
rb->memset((void*)dice,0,MAX_DICE*sizeof(int));
for (i=0; i<num_dice; i++) {
dice[i] = rb->rand()%SIDES[side_index] + 1;
total+=dice[i];
}
return total;
}
/* Prints the dice, and the sum of the dice values */
static void print_dice(const int dice[], const int total) {
const int dice_per_row = MAX_DICE/ROWS + (MAX_DICE%ROWS?1:0);
char showdice[LINE_LENGTH];
int row;
rb->lcd_clear_display();
for (row=0; /*break;*/; row++) {
const int start = row*dice_per_row;
const int end = min(MAX_DICE,start+dice_per_row);
char *pointer = showdice;
int space = LINE_LENGTH;
int i;
rb->memset((void*)showdice,0,LINE_LENGTH*sizeof(char));
for (i=start; i<end && dice[i]>0; i++) {
int count = rb->snprintf(pointer,space," %3d",dice[i]);
pointer = &pointer[count];
space -= count;
}
if (i > start) {
rb->lcd_puts_scroll(0,START_DICE_ROW+row,showdice);
} else {
row--;
break;
}
if (i < end || end == MAX_DICE) break;
}
#if (CONFIG_KEYPAD == PLAYER_PAD)
(void)total;
#else
rb->lcd_puts(0,START_DICE_ROW+(++row)," ");
if (total > 0) {
rb->snprintf(showdice,LINE_LENGTH,"Total: %4d",total);
rb->lcd_puts(1,START_DICE_ROW+(++row),showdice);
}
while (row < ROWS+2) {
rb->lcd_puts(0,START_DICE_ROW+(++row)," ");
}
#endif
rb->lcd_update();
}
static bool dice_menu(int *num_dice, int *side_index) {
int selection;
bool menu_quit = false, result = false;
MENUITEM_STRINGLIST(menu,"Dice Menu",NULL,"Roll Dice","Number of Dice",
"Number of Sides","Quit");
static const struct opt_items num_sides_option[8] = {
{ "3", -1 },
{ "4", -1 },
{ "6", -1 },
{ "8", -1 },
{ "10", -1 },
{ "12", -1 },
{ "20", -1 },
{ "100", -1 }
};
while (!menu_quit) {
selection = rb->do_menu(&menu, &selection);
switch(selection)
{
case 0:
menu_quit = true;
result = true;
break;
case 1:
rb->set_int("Number of Dice", "", UNIT_INT, num_dice, NULL,
1, 1, MAX_DICE, NULL );
break;
case 2:
rb->set_option("Number of Sides", side_index, INT,
num_sides_option, 8, NULL);
break;
default:
menu_quit = true;
result = false;
break;
}
}
return result;
}