add snake demo (run in realtouch)

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2439 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
goprife@gmail.com 2012-11-23 13:40:31 +00:00
parent 60fc67cb3d
commit 5057b28523
4 changed files with 766 additions and 0 deletions

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from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
# remove no need file.
if GetDepend('RT_USING_RTGUI') == False:
SrcRemove(src, 'sdl_fb.c')
if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_DFS_ELMFAT') == False:
SrcRemove(src, 'sd_sim.c')
if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_DFS_UFFS') == False:
SrcRemove(src, 'nand_sim.c')
if GetDepend('RT_USING_DFS') == False or GetDepend('RT_USING_DFS_JFFS2') == False:
SrcRemove(src, 'sst25vfxx_mtd_sim.c')
CPPPATH = [cwd]
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
Return('group')

253
bsp/simulator/snake/snake.c Normal file
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#include <string.h>
#include <stdlib.h>
#include <rtthread.h>
#include "snake.h"
rt_list_t snake_head;
SNAKE_DIR prevdir;
static SNAKE_DIR dir_adjust(SNAKE_DIR dir)
{
if ( (SNAKE_DIR_UP == prevdir && SNAKE_DIR_DOWN != dir)
|| (SNAKE_DIR_DOWN == prevdir && SNAKE_DIR_UP != dir)
|| (SNAKE_DIR_LEFT == prevdir && SNAKE_DIR_RIGHT != dir)
|| (SNAKE_DIR_RIGHT == prevdir && SNAKE_DIR_LEFT != dir)
)
{
prevdir = dir;
}
else
{
rt_kprintf("dirction change error\n\r");
}
return prevdir;
}
static void across_XY(point_t *node, const map_t *map)
{
RT_ASSERT(node != RT_NULL && map != RT_NULL);
// 如果长度超出当前边框则可以穿越墙到对面
node->x = (node->x + map->width) % map->width;
node->y = (node->y + map->height) % map->height;
}
static SYS_STE node_update(snake_t *tail, const point_t *node, map_t *map)
{
SYS_STE ret;
point_t *pos;
RT_ASSERT(tail != RT_NULL && node != RT_NULL && map != RT_NULL);
pos = map->snake_flush;
pos[0].x = pos[0].y = -1;
pos[1].x = pos[1].y = -1;
ret = (SYS_STE)map->range[node->y * map->width + node->x];
if (FOOD == map->range[node->y * map->width + node->x])
{
// 吃一个食物增加一个节点
snake_t *new = (snake_t*)rt_malloc(sizeof(snake_t));
if (!new)
return NORMAL;
pos[0] = *node;
new->body = *node;
rt_list_insert_after(&snake_head, &new->list);
}
else if (NORMAL == map->range[node->y * map->width + node->x])
{
// 将尾巴修改后拿到头部,其他不变
rt_list_remove(&tail->list);
map->range[tail->body.y * map->width + tail->body.x] = NORMAL;
pos[0] = *node;
pos[1] = tail->body;
tail->body = *node;
rt_list_insert_after(&snake_head, &tail->list);
}
map->range[node->y * map->width + node->x] = OVER;
return ret;
}
map_t* map_init(rt_uint32_t width, rt_uint32_t heigth)
{
map_t *map = rt_malloc(sizeof(map_t));
if (map != RT_NULL)
{
map->range = rt_malloc(heigth * width);
if (!map->range)
{
rt_free(map);
map = RT_NULL;
}
else
{
map->width = width;
map->height = heigth;
memset(map->range, NORMAL, heigth * width);
}
}
return map;
}
// 构造一条指定长度的蛇在指定点
rt_bool_t snake_init(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map)
{
rt_int32_t i;
rt_int32_t inc_x, inc_y;
point_t old = *start;
rt_list_init(&snake_head);
if (dir == SNAKE_DIR_UP || dir == SNAKE_DIR_DOWN)
{
if (map->height <= length)
return RT_FALSE;
inc_x = 0;
inc_y = dir == SNAKE_DIR_DOWN ? 1 : -1; // 反向延长身子,头部在指定位置
old.y -= inc_y;
}
else
{
if (map->width <= length)
return RT_FALSE;
inc_y = 0;
inc_x = dir == SNAKE_DIR_RIGHT ? -1 : 1;
old.x -= inc_x;
}
for (i=0; i<length; i++)
{
snake_t *new = (snake_t*)rt_malloc(sizeof(snake_t));
if (!new)
return RT_FALSE;
new->body.y = inc_y + old.y;
new->body.x = inc_x + old.x;
// 如果长度超出当前边框则可以穿越墙到对面
across_XY(&new->body, map);
map->range[new->body.y * map->width + new->body.x] = OVER;
old = new->body;
rt_list_insert_before(&snake_head, &new->list);
}
prevdir = dir;
return RT_TRUE;
}
// 构造出食物
rt_bool_t food_init(map_t *map, rt_uint32_t max_num)
{
point_t food;
#ifndef FOOD_TIMEOUT
#define FOOD_TIMEOUT 10
#endif
rt_uint32_t timeout, num;
num = 0;
timeout = rt_tick_get();
srand(rand());
map->food_flush[0].x = map->food_flush[0].y = -1;
do
{
food.x = rand() % map->width;
food.y = rand() % map->height;
if (map->range[food.y * map->width + food.x] == NORMAL)
{
map->food_flush[0] = food;
map->range[food.y * map->width + food.x] = FOOD;
num++;
}
}
while (num < max_num && rt_tick_get() - timeout < FOOD_TIMEOUT);
return num;
}
void map_deinit(map_t *map)
{
if (map)
{
if (map->range)
{
rt_free(map->range);
map->range = RT_NULL;
}
rt_free(map);
}
}
void snake_deinit(void)
{
snake_t *node;
while (!rt_list_isempty(&snake_head))
{
node = rt_list_entry(snake_head.prev, snake_t, list);
rt_list_remove(&node->list);
rt_free(node);
}
}
void food_deinit(void)
{
}
SYS_STE snake_step(SNAKE_DIR dir, map_t *map)
{
snake_t *tail, *head;
point_t node;
dir = dir_adjust(dir);
// 取出头尾两个节点,其他节点不需要改变
tail = rt_list_entry(snake_head.prev, snake_t, list);
head = rt_list_entry(snake_head.next, snake_t, list);
node = head->body;
// 构造一个新的蛇头坐标
switch (dir)
{
case SNAKE_DIR_UP:
case SNAKE_DIR_DOWN:
node.y = head->body.y + (dir == SNAKE_DIR_DOWN ? -1 : 1);
break;
case SNAKE_DIR_LEFT:
case SNAKE_DIR_RIGHT:
node.x = head->body.x + (dir == SNAKE_DIR_RIGHT ? 1 : -1);
break;
}
across_XY(&node, map);
return node_update(tail, &node, map);
}
rt_bool_t snake_restart(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map)
{
snake_deinit();
memset(map->range, NORMAL, map->width * map->height);
return snake_init(start, length, dir, map);
}

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#ifndef _SNAKE_H_
#define _SNAKE_H_
#include <rtthread.h>
#define snake_length_max 20 //最大蛇长
#define snake_length_init 3 //初始化蛇长
#define snake_room_size_hight 8 //房子高 0-255 建议>8
#define snake_room_size_widht 8 //房子宽 0-255 建议>8
#define snake_init_pointx 1
#define snake_init_pointy 2
typedef struct
{
rt_int32_t x, y;
}point_t;
typedef struct
{
rt_int32_t width; // max x
rt_int32_t height; // max y
rt_uint8_t *range; // map, map->range[y * map->width + x]
point_t snake_flush[2];
point_t food_flush[1];
}map_t;
typedef enum
{
SNAKE_DIR_UP,
SNAKE_DIR_DOWN,
SNAKE_DIR_LEFT,
SNAKE_DIR_RIGHT
}SNAKE_DIR;
typedef enum
{
FOOD, // 吃到水果
OVER, // 咬到自身
NORMAL // 正常行动
}SYS_STE;
typedef struct
{
point_t body;
rt_list_t list;
}snake_t;
// 构造一个地图
map_t* map_init(rt_uint32_t width, rt_uint32_t heigth);
// 构造一条指定长度的蛇在指定点
rt_bool_t snake_init(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map);
// 构造出食物
rt_bool_t food_init(map_t *map, rt_uint32_t max_num);
void map_deinit(map_t *map);
void snake_deinit(void);
void food_deinit(void);
SYS_STE snake_step(SNAKE_DIR dir, map_t *map);
rt_bool_t snake_restart(const point_t *start, const int length, const SNAKE_DIR dir, map_t *map);
#endif

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#include <string.h>
#include <rtthread.h>
#include <rtgui/rtgui.h>
#include <rtgui/rtgui_app.h>
#include <rtgui/widgets/container.h>
#include <rtgui/widgets/window.h>
#include <rtgui/widgets/button.h>
#include "snake.h"
#define LATTICE_SIZE (20)
#define FOOD_MAX (8)
#define WALL_COLOR RTGUI_RGB(255, 0, 0)
#define SNAKE_COLOR RTGUI_RGB(111, 0, 255)
#define BACKGROUND_COLOR RTGUI_RGB(153, 153, 0)
#define FOOD_COLOR RTGUI_RGB(0, 111, 111)
#define min(a, b) ((a) < (b) ? (a) : (b))
static rtgui_timer_t *timer;
static rt_size_t room_size_x, room_size_y;
static rt_size_t lattice_size_x, lattice_size_y;
static struct rtgui_rect room_rect, lattice_rect;
map_t* map;
SNAKE_DIR run_state;
rt_int32_t snake_len;
rt_int32_t food_num;
static void snake_fill_lattice(struct rtgui_dc *dc,
rt_uint32_t x,
rt_uint32_t y,
rtgui_color_t color)
{
struct rtgui_rect rect;
// coordinate conversion
y = (lattice_size_y - 1) - y;
RTGUI_DC_BC(dc) = color;
rect.x1 = lattice_rect.x1 + (LATTICE_SIZE * x);
rect.x2 = rect.x1 + LATTICE_SIZE;
rect.x1 += 2;
rect.y1 = lattice_rect.y1 + (LATTICE_SIZE * y);
rect.y2 = rect.y1 + LATTICE_SIZE;
rect.y1 += 2;
rtgui_dc_fill_rect(dc, &rect);
}
static void snake_draw(struct rtgui_widget *widget)
{
struct rtgui_dc *dc;
struct rtgui_rect rect;
rt_uint32_t i;
// rt_kprintf("snake_draw\r\n");
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
{
rt_kprintf("dc == RT_NULL\r\n");
return;
}
/* get room size, run once frist. */
if((room_size_x == 0) || (room_size_y == 0))
{
rt_size_t tmp;
rtgui_widget_get_rect(widget, &rect);
rt_kprintf("rect => x1:%d x2:%d, y1:%d y2:%d\r\n", rect.x1, rect.x2, rect.y1, rect.y2);
room_size_x = rect.x2 - rect.x1;
room_size_y = rect.y2 - rect.y1;
memcpy(&room_rect, &rect, sizeof(struct rtgui_rect));
rt_kprintf("room_rect => x1:%d x2:%d, y1:%d y2:%d\r\n",
room_rect.x1, room_rect.x2,
room_rect.y1, room_rect.y2);
lattice_size_x = (room_rect.x2 - room_rect.x1) / LATTICE_SIZE;
lattice_size_y = (room_rect.y2 - room_rect.y1) / LATTICE_SIZE;
lattice_size_x -= 2;
lattice_size_y -= 2;
rt_kprintf("lattice_size_x:%d lattice_size_y:%d\r\n",
lattice_size_x,
lattice_size_y);
tmp = (room_rect.x2 - room_rect.x1) - (LATTICE_SIZE * lattice_size_x);
lattice_rect.x1 = room_rect.x1 + (tmp / 2);
lattice_rect.x2 = lattice_rect.x1 + (LATTICE_SIZE * lattice_size_x);
tmp = (room_rect.y2 - room_rect.y1) - (LATTICE_SIZE * lattice_size_y);
lattice_rect.y1 = room_rect.y1 + (tmp / 2);
lattice_rect.y2 = lattice_rect.y1 + (LATTICE_SIZE * lattice_size_y);
rt_kprintf("lattice_rect => x1:%d x2:%d, y1:%d y2:%d\r\n",
lattice_rect.x1, lattice_rect.x2,
lattice_rect.y1, lattice_rect.y2);
/* create snake. */
{
point_t start;
map = map_init(lattice_size_x, lattice_size_y);
if (map != RT_NULL)
{
start.x = snake_init_pointx;
start.y = snake_init_pointy;
run_state = SNAKE_DIR_DOWN;
if (snake_init(&start, snake_length_init, run_state, map))
{
food_num = 1;
food_init(map, food_num);
}
else
{
map_deinit(map);
map = RT_NULL;
}
}
}
}
RTGUI_DC_BC(dc) = BACKGROUND_COLOR;
rtgui_dc_fill_rect(dc, &room_rect);
memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
rect.x2 += 1;
rect.y2 += 1;
RTGUI_DC_FC(dc) = WALL_COLOR;
rtgui_dc_draw_rect(dc, &rect);
for(i=1; i<lattice_size_y; i++)
{
// rtgui_dc_draw_horizontal_line(struct rtgui_dc* dc, int x1, int x2, int y);
memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
rect.x1 += 1;
rect.x2 -= 1;
rtgui_dc_draw_horizontal_line(dc, rect.x1, rect.x2,
rect.y1 + (LATTICE_SIZE * i));
}
for(i=1; i<lattice_size_x; i++)
{
// rtgui_dc_draw_vertical_line(struct rtgui_dc* dc, int x, int y1, int y2);
memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
rect.y1 += 1;
rect.y2 -= 1;
rtgui_dc_draw_vertical_line(dc, rect.x1 + (LATTICE_SIZE * i),
rect.y1, rect.y2);
}
/* draw snake. */
{
rt_uint32_t x, y;
for (y=0; y<map->height; y++)
{
for (x=0; x<map->width; x++)
{
switch (map->range[y * map->width + x])
{
case NORMAL:
break;
case FOOD:
snake_fill_lattice(dc, x, y, FOOD_COLOR);
break;
case OVER:
snake_fill_lattice(dc, x, y, SNAKE_COLOR);
break;
}
}
}
}
rtgui_dc_end_drawing(dc);
return;
}
static void snake_update(struct rtgui_widget *widget)
{
struct rtgui_dc *dc;
rt_int32_t x, y;
rt_uint32_t i;
// rt_kprintf("snake_update\r\n");
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
{
rt_kprintf("dc == RT_NULL\r\n");
return;
}
for(i=0; i<3; i++)
{
if(i < 2)
{
x = map->snake_flush[i].x;
y = map->snake_flush[i].y;
}
else
{
x = map->food_flush[0].x;
y = map->food_flush[0].y;
}
if((x >= 0) && (y >= 0))
{
// rt_kprintf("snake_flush[%d].x:%d, snake_flush[%d].y:%d\r\n",
// i, x,
// i, y);
switch (map->range[(map->width * y) + x])
{
case NORMAL:
snake_fill_lattice(dc, x, y, BACKGROUND_COLOR);
break;
case FOOD:
snake_fill_lattice(dc, x, y, FOOD_COLOR);
break;
case OVER:
snake_fill_lattice(dc, x, y, SNAKE_COLOR);
break;
}
}
}
// rt_kprintf("\r\n");
// if((map->snake_flush[1].x >= 0) && (map->snake_flush[1].y >= 0))
// {
// rt_kprintf("snake_flush[1].x:%d, snake_flush[1].y:%d\r\n",
// map->snake_flush[1].x, map->snake_flush[1].y);
// snake_fill_lattice(dc,
// map->snake_flush[1].x,
// map->snake_flush[1].y,
// SNAKE_COLOR);
// }
// x = map->food_flush[0].x;
// y = map->food_flush[0].y;
// if((map->food_flush[0].x >= 0) && (map->food_flush[0].y >= 0))
// {
// rt_kprintf("food_flush[0].x:%d, food_flush[0].y:%d\r\n",
// map->food_flush[0].x, map->food_flush[0].y);
// snake_fill_lattice(dc,
// map->food_flush[0].x,
// map->food_flush[0].y,
// FOOD_COLOR);
// }
rtgui_dc_end_drawing(dc);
return;
}
static void snake_handler(struct rtgui_widget *widget, rtgui_event_t *event)
{
struct rtgui_event_kbd* ekbd;
ekbd = (struct rtgui_event_kbd*) event;
if (ekbd->type == RTGUI_KEYDOWN)
{
switch (ekbd->key)
{
case RTGUIK_UP:
rt_kprintf("RTGUIK_UP\r\n");
//snake_key(1);
//snake_step(map, UP);
run_state = SNAKE_DIR_UP;
break;
case RTGUIK_DOWN:
rt_kprintf("RTGUIK_DOWN\r\n");
//snake_key(2);
//snake_step(map, DOWN);
run_state = SNAKE_DIR_DOWN;
break;
case RTGUIK_LEFT:
rt_kprintf("RTGUIK_LEFT\r\n");
//snake_key(3);
//snake_step(map, LEFT);
run_state = SNAKE_DIR_LEFT;
break;
case RTGUIK_RIGHT:
rt_kprintf("RTGUIK_RIGHT\r\n");
//snake_key(4);
//snake_step(map, RIGHT);
run_state = SNAKE_DIR_RIGHT;
break;
default:
break;
}
}
}
static rt_bool_t event_handler(struct rtgui_object *object, rtgui_event_t *event)
{
struct rtgui_widget *widget = RTGUI_WIDGET(object);
rt_kprintf("event_handler\r\n");
if (event->type == RTGUI_EVENT_PAINT)
{
rt_kprintf("RTGUI_EVENT_PAINT\r\n");
// rtgui_container_event_handler(object, event);
rtgui_win_event_handler((struct rtgui_object*)object, event);
snake_draw(widget);
rtgui_timer_start(timer);
}
else if (event->type == RTGUI_EVENT_SHOW)
{
rt_kprintf("RTGUI_EVENT_SHOW\r\n");
// rtgui_container_event_handler(object, event);
rtgui_win_event_handler((struct rtgui_object*)object, event);
snake_draw(widget);
rtgui_timer_start(timer);
}
else if (event->type == RTGUI_EVENT_HIDE)
{
rt_kprintf("RTGUI_EVENT_HIDE\r\n");
// rtgui_container_event_handler(object, event);
rtgui_win_event_handler((struct rtgui_object*)object, event);
rtgui_timer_stop(timer);
}
else if (event->type == RTGUI_EVENT_WIN_DEACTIVATE)
{
rt_kprintf("RTGUI_EVENT_WIN_DEACTIVATE\r\n");
// rtgui_container_event_handler(object, event);
rtgui_win_event_handler((struct rtgui_object*)object, event);
rtgui_timer_stop(timer);
}
else if (event->type == RTGUI_EVENT_KBD)
{
// rt_kprintf("RTGUI_EVENT_KBD\r\n");
// rtgui_container_event_handler(object, event);
rtgui_win_event_handler((struct rtgui_object*)object, event);
snake_handler(widget, event);
}
else
{
rt_kprintf("event->type:%d\r\n", event->type);
// return rtgui_container_event_handler(object, event);
return rtgui_win_event_handler((struct rtgui_object*)object, event);
}
return RT_FALSE;
}
static void timeout(struct rtgui_timer *timer, void *parameter)
{
struct rtgui_widget *widget;
if (!map)
return;
if (snake_step(run_state, map) == FOOD)
{
// food--;
snake_len++;
if (snake_len >= (map->width * map->height) / 3)
{
point_t start;
start.x = snake_init_pointx;
start.y = snake_init_pointy;
run_state = SNAKE_DIR_DOWN;
snake_len = snake_length_init;
if (!snake_restart(&start, snake_len, run_state, map))
{
map_deinit(map);
map = RT_NULL;
}
}
food_init(map, 1);
}
widget = RTGUI_WIDGET(parameter);
// snake_draw(widget);
snake_update(widget);
return;
}
void snake_main(void)
{
struct rtgui_app* application;
struct rtgui_win* win;
application = rtgui_app_create(rt_thread_self(), "sanke_app");
if (application != RT_NULL)
{
win = rtgui_mainwin_create(RT_NULL,
"sanke_win",
RTGUI_WIN_STYLE_MAINWIN | RTGUI_WIN_STYLE_DESTROY_ON_CLOSE);
if(win == RT_NULL)
{
rt_kprintf("sanke_win create fail!\r\n");
return;
}
rtgui_object_set_event_handler(RTGUI_OBJECT(win), event_handler);
timer = rtgui_timer_create(RT_TICK_PER_SECOND / 2,
RT_TIMER_FLAG_PERIODIC,
timeout,
(void *)win);
rtgui_win_show(win, RT_TRUE);
//Í˳öºó²Å·µ»Ø
map_deinit(map);
snake_deinit();
food_deinit();
rtgui_app_destroy(application);
}
}
#include <finsh.h>
FINSH_FUNCTION_EXPORT(snake_main, snake run)