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Adapted wormlet to code standard and added it to simulators.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1978 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-08-26 09:21:59 +00:00
parent f8c87e6c50
commit e67958ba86
3 changed files with 237 additions and 270 deletions
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495
apps/recorder/wormlet.c
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@ -25,48 +25,48 @@
#include "kernel.h"
#include "menu.h"
#define MAX_WORM_LENGTH 500 // size of the ring of the worm
#define INITIAL_WORM_LENGTH 10 // when the game starts
#define WORM_PER_FOOD 7 // num of pixel the worm grows by eating a food
#define MAX_WORM_LENGTH 500 /* size of the ring of the worm */
#define INITIAL_WORM_LENGTH 10 /* when the game starts */
#define WORM_PER_FOOD 7 /* num of pixel the worm grows per eaten food */
// The worm is stored in a ring of xy coordinates
short wormx[MAX_WORM_LENGTH];
short wormy[MAX_WORM_LENGTH];
/* The worm is stored in a ring of xy coordinates */
static short wormx[MAX_WORM_LENGTH];
static short wormy[MAX_WORM_LENGTH];
int head; // index of the head within the buffer
short headx;
short heady;
static int head; /* index of the head within the buffer */
static short headx;
static short heady;
int tail; // index of the tail within the buffer
int growing; // number of cyles the worm still keeps growing
static int tail; /* index of the tail within the buffer */
static int growing; /* number of cyles the worm still keeps growing */
#define MAX_FOOD 5 // maximal number of food items
#define FOOD_SIZE 3 // the width and height of a food
short foodx[MAX_FOOD];
short foody[MAX_FOOD];
#define MAX_FOOD 5 /* maximal number of food items */
#define FOOD_SIZE 3 /* the width and height of a food */
static short foodx[MAX_FOOD];
static short foody[MAX_FOOD];
#define MAX_ARGH 100 // maximal number of argh items
#define ARGH_SIZE 4 // the width and height of a argh
#define ARGHS_PER_FOOD 2 // number of arghs produced each time a food was eaten
short arghx[MAX_ARGH];
short arghy[MAX_ARGH];
int arghCount;
#define MAX_ARGH 100 /* maximal number of argh items */
#define ARGH_SIZE 4 /* the width and height of a argh */
#define ARGHS_PER_FOOD 2 /* number of arghs produced per eaten food */
static short arghx[MAX_ARGH];
static short arghy[MAX_ARGH];
static int arghCount;
// direction vector in which the worm moves
short dirx; // only values -1 0 1 allowed
short diry; // only values -1 0 1 allowed
/* direction vector in which the worm moves */
static short dirx; /* only values -1 0 1 allowed */
static short diry; /* only values -1 0 1 allowed */
int speed = 10;
static int speed = 10;
// return values of checkCollision
/* return values of checkCollision */
#define COLLISION_NONE 0
#define COLLISION_WORM 1
#define COLLISION_FOOD 2
#define COLLISION_ARGH 3
#define COLLISION_FIELD 4
// size of the field the worm lives in
/* size of the field the worm lives in */
#define FIELD_RECT_X 1
#define FIELD_RECT_Y 1
#define FIELD_RECT_WIDTH LCD_HEIGHT - 2
@ -76,12 +76,11 @@ int speed = 10;
* Returns the current length of the worm.
* @return int a positive value
*/
int getWormLength(void) {
// initial simple calculation will be overwritten
// if wrong.
static int getWormLength(void) {
/* initial simple calculation will be overwritten if wrong. */
int retVal = head - tail;
// if the worm 'crosses' the boundaries of the ringbuffer
/* if the worm 'crosses' the boundaries of the ringbuffer */
if (retVal < 0) {
retVal = head + MAX_WORM_LENGTH - tail;
}
@ -98,7 +97,7 @@ int getWormLength(void) {
* @return Returns true if the coordinate hits the food specified by
* foodIndex.
*/
bool specificFoodCollision(int foodIndex, int x, int y) {
static bool specificFoodCollision(int foodIndex, int x, int y) {
bool retVal = false;
if (x >= foodx[foodIndex] &&
x < foodx[foodIndex] + FOOD_SIZE &&
@ -116,15 +115,13 @@ bool specificFoodCollision(int foodIndex, int x, int y) {
* -1 is returned.
* @return int -1 <= value < MAX_FOOD
*/
int foodCollision(int x, int y) {
static int foodCollision(int x, int y) {
int i = 0;
int retVal = -1;
bool collisionDetected = false;
for (i = 0; i < MAX_FOOD && !collisionDetected; i++) {
for (i = 0; i < MAX_FOOD; i++) {
if (specificFoodCollision(i, x, y)) {
collisionDetected = true;
retVal = i;
break;
}
}
return retVal;
@ -139,16 +136,17 @@ int foodCollision(int x, int y) {
* @return Returns true if the coordinate hits the argh specified by
* arghIndex.
*/
bool specificArghCollision(int arghIndex, int x, int y) {
bool retVal = false;
if (x >= arghx[arghIndex] &&
x < arghx[arghIndex] + ARGH_SIZE &&
y >= arghy[arghIndex] &&
y < arghy[arghIndex] + ARGH_SIZE) {
static bool specificArghCollision(int arghIndex, int x, int y) {
retVal = true;
if ( x >= arghx[arghIndex] &&
y >= arghy[arghIndex] &&
x < arghx[arghIndex] + ARGH_SIZE &&
y < arghy[arghIndex] + ARGH_SIZE )
{
return true;
}
return retVal;
return false;
}
/**
@ -159,17 +157,15 @@ bool specificArghCollision(int arghIndex, int x, int y) {
* @param int y The y coordinate.
* @return int -1 <= value < arghCount <= MAX_ARGH
*/
int arghCollision(int x, int y) {
static int arghCollision(int x, int y) {
int i = 0;
int retVal = -1;
bool collisionDetected = false;
// search for the argh that has the specified coords
for (i = 0; i < arghCount && !collisionDetected; i++) {
/* search for the argh that has the specified coords */
for (i = 0; i < arghCount; i++) {
if (specificArghCollision(i, x, y)) {
collisionDetected = true;
retVal = i;
break;
}
}
return retVal;
@ -181,23 +177,25 @@ int arghCollision(int x, int y) {
* 0 <= foodIndex <= MAX_FOOD
* @return Returns true if the worm collides with the specified food.
*/
bool wormFoodCollision(int foodIndex) {
static bool wormFoodCollision(int foodIndex)
{
bool retVal = false;
// buffer wormLength because getWormLength is expensive
/* buffer wormLength because getWormLength is expensive */
int wormLength = getWormLength();
int i;
// although all the worm gets iterated i is NOT the index
// of the worm arrays
for (i = 0; i < wormLength && !retVal; i++) {
/* although all the worm gets iterated i is NOT
the index of the worm arrays */
for (i = 0; i < wormLength; i++) {
// convert i to the true worm indices
/* convert i to the true worm indices */
int wormIndex = (tail + i) % MAX_WORM_LENGTH;
// The check
if (specificFoodCollision(foodIndex, wormx[wormIndex], wormy[wormIndex])) {
if (specificFoodCollision(foodIndex,
wormx[wormIndex],
wormy[wormIndex])) {
retVal = true;
break;
}
}
@ -206,27 +204,29 @@ bool wormFoodCollision(int foodIndex) {
/**
* Checks wether the worm collides with the argh at the specfied argh-arrays.
* @param int arghIndex The index of the argh in the arrays. Ensure the value is
* 0 <= arghIndex < arghCount <= MAX_ARGH
* @param int arghIndex The index of the argh in the arrays.
* Ensure the value is 0 <= arghIndex < arghCount <= MAX_ARGH
* @return Returns true if the worm collides with the specified argh.
*/
bool wormArghCollision(int arghIndex) {
static bool wormArghCollision(int arghIndex)
{
bool retVal = false;
// buffer wormLength because getWormLength is expensive
/* buffer wormLength because getWormLength is expensive */
int wormLength = getWormLength();
int i;
// although all the worm gets iterated i is NOT the index
// of the worm arrays
for (i = 0; i < wormLength && !retVal; i++) {
/* although all the worm gets iterated i is NOT
the index of the worm arrays */
for (i = 0; i < wormLength; i++) {
// convert i to the true worm indices
/* convert i to the true worm indices */
int wormIndex = (tail + i) % MAX_WORM_LENGTH;
// The check
if (specificArghCollision(arghIndex, wormx[wormIndex], wormy[wormIndex])) {
if (specificArghCollision(arghIndex,
wormx[wormIndex],
wormy[wormIndex])) {
retVal = true;
break;
}
}
@ -239,37 +239,38 @@ bool wormArghCollision(int arghIndex) {
* @param int index
* Ensure that 0 <= index < MAX_FOOD.
*/
void makeFood(int index) {
static void makeFood(int index) {
int x = 0;
int y = 0;
bool collisionDetected = false;
do {
// make coordinates for a new food so that
// the entire food lies within the FIELD
/* make coordinates for a new food so that
the entire food lies within the FIELD */
x = rand() % (FIELD_RECT_WIDTH - FOOD_SIZE);
y = rand() % (FIELD_RECT_HEIGHT - FOOD_SIZE);
// Ensure that the new food doesn't collide with any
// existing foods or arghs.
// If one or more corners of the new food hit any existing
// argh or food a collision is detected.
/* Ensure that the new food doesn't collide with any
existing foods or arghs.
If one or more corners of the new food hit any existing
argh or food a collision is detected.
*/
collisionDetected =
foodCollision(x , y ) >= 0 ||
foodCollision(x + FOOD_SIZE - 1, y ) >= 0 ||
foodCollision(x , y + FOOD_SIZE - 1) >= 0 ||
foodCollision(x + FOOD_SIZE - 1, y + FOOD_SIZE - 1) >= 0 ||
arghCollision(x , y ) >= 0 ||
arghCollision(x + FOOD_SIZE - 1, y ) >= 0 ||
arghCollision(x , y + FOOD_SIZE - 1) >= 0 ||
arghCollision(x + FOOD_SIZE - 1, y + FOOD_SIZE - 1) >= 0;
foodCollision(x, y ) >= 0 ||
foodCollision(x, y + FOOD_SIZE - 1) >= 0 ||
foodCollision(x + FOOD_SIZE - 1, y ) >= 0 ||
foodCollision(x + FOOD_SIZE - 1, y + FOOD_SIZE - 1) >= 0 ||
arghCollision(x, y ) >= 0 ||
arghCollision(x, y + FOOD_SIZE - 1) >= 0 ||
arghCollision(x + FOOD_SIZE - 1, y ) >= 0 ||
arghCollision(x + FOOD_SIZE - 1, y + FOOD_SIZE - 1) >= 0;
// use coordinates for further testing
/* use coordinates for further testing */
foodx[index] = x;
foody[index] = y;
// now test wether we accidently hit the worm with food ;)
/* now test wether we accidently hit the worm with food ;) */
collisionDetected |= wormFoodCollision(index);
}
while (collisionDetected);
@ -281,11 +282,12 @@ void makeFood(int index) {
* the coordinates of the desired food can be found. Ensure
* that the value is 0 <= index <= MAX_FOOD.
*/
void clearFood(int index) {
// remove the old food from the screen
lcd_clearrect (foodx[index] + FIELD_RECT_X,
foody[index] + FIELD_RECT_Y,
FOOD_SIZE, FOOD_SIZE);
static void clearFood(int index)
{
/* remove the old food from the screen */
lcd_clearrect(foodx[index] + FIELD_RECT_X,
foody[index] + FIELD_RECT_Y,
FOOD_SIZE, FOOD_SIZE);
}
/**
@ -294,14 +296,15 @@ void clearFood(int index) {
* the coordinates of the desired food can be found. Ensure
* that the value is 0 <= index <= MAX_FOOD.
*/
void drawFood(int index) {
// draw the food object
lcd_fillrect (foodx[index] + FIELD_RECT_X,
foody[index] + FIELD_RECT_Y,
FOOD_SIZE, FOOD_SIZE);
static void drawFood(int index)
{
/* draw the food object */
lcd_fillrect(foodx[index] + FIELD_RECT_X,
foody[index] + FIELD_RECT_Y,
FOOD_SIZE, FOOD_SIZE);
lcd_clearrect(foodx[index] + FIELD_RECT_X + 1,
foody[index] + FIELD_RECT_Y + 1,
FOOD_SIZE - 2, FOOD_SIZE - 2);
foody[index] + FIELD_RECT_Y + 1,
FOOD_SIZE - 2, FOOD_SIZE - 2);
}
/**
@ -310,35 +313,37 @@ void drawFood(int index) {
* @param int index
* Ensure that 0 <= index < arghCount < MAX_ARGH.
*/
void makeArgh(int index) {
static void makeArgh(int index)
{
int x;
int y;
bool collisionDetected = false;
do {
// make coordinates for a new argh so that
// the entire food lies within the FIELD
/* make coordinates for a new argh so that
the entire food lies within the FIELD */
x = rand() % (FIELD_RECT_WIDTH - ARGH_SIZE);
y = rand() % (FIELD_RECT_HEIGHT - ARGH_SIZE);
// Ensure that the new argh doesn't intersect with any
// existing foods or arghs.
// If one or more corners of the new argh hit any existing
// argh or food an intersection is detected.
/* Ensure that the new argh doesn't intersect with any
existing foods or arghs.
If one or more corners of the new argh hit any existing
argh or food an intersection is detected.
*/
collisionDetected =
foodCollision(x , y ) >= 0 ||
foodCollision(x + ARGH_SIZE - 1, y ) >= 0 ||
foodCollision(x , y + ARGH_SIZE - 1) >= 0 ||
foodCollision(x + ARGH_SIZE - 1, y + ARGH_SIZE - 1) >= 0 ||
arghCollision(x , y ) >= 0 ||
arghCollision(x + ARGH_SIZE - 1, y ) >= 0 ||
arghCollision(x , y + ARGH_SIZE - 1) >= 0 ||
arghCollision(x + ARGH_SIZE - 1, y + ARGH_SIZE - 1) >= 0;
foodCollision(x, y ) >= 0 ||
foodCollision(x, y + ARGH_SIZE - 1) >= 0 ||
foodCollision(x + ARGH_SIZE - 1, y ) >= 0 ||
foodCollision(x + ARGH_SIZE - 1, y + ARGH_SIZE - 1) >= 0 ||
arghCollision(x, y ) >= 0 ||
arghCollision(x, y + ARGH_SIZE - 1) >= 0 ||
arghCollision(x + ARGH_SIZE - 1, y ) >= 0 ||
arghCollision(x + ARGH_SIZE - 1, y + ARGH_SIZE - 1) >= 0;
// use the candidate coordinates to make a real argh
/* use the candidate coordinates to make a real argh */
arghx[index] = x;
arghy[index] = y;
// now test wether we accidently hit the worm with argh ;)
/* now test wether we accidently hit the worm with argh ;) */
collisionDetected |= wormArghCollision(index);
}
while (collisionDetected);
@ -350,42 +355,42 @@ void makeArgh(int index) {
* the coordinates of the desired argh can be found. Ensure
* that the value is 0 <= index < arghCount <= MAX_ARGH.
*/
void drawArgh(int index) {
// draw the new argh
lcd_fillrect (arghx[index] + FIELD_RECT_X,
arghy[index] + FIELD_RECT_Y,
ARGH_SIZE, ARGH_SIZE);
static void drawArgh(int index)
{
/* draw the new argh */
lcd_fillrect(arghx[index] + FIELD_RECT_X,
arghy[index] + FIELD_RECT_Y,
ARGH_SIZE, ARGH_SIZE);
}
/**
* Initializes the worm-, food- and argh-arrays, draws a frame,
* makes some food and argh and display all that stuff.
*/
void initWormlet(void) {
static void initWormlet(void)
{
int i;
// Needed when the game is restarted using BUTTON_ON
/* Initialize all the worm coordinates to 0,0. */
memset(wormx,0,sizeof wormx);
memset(wormy,0,sizeof wormy);
/* Needed when the game is restarted using BUTTON_ON */
lcd_clear_display();
// Initialize all the worm coordinates to 0,0.
int i;
for (i = 0; i < MAX_WORM_LENGTH; i++){
wormx[i] = 0;
wormy[i] = 0;
}
// initialize the worm size
/* initialize the worm size */
head = INITIAL_WORM_LENGTH;
tail = 0;
// initialize the worm start point
/* initialize the worm start point */
headx = 0;
heady = 0;
// set the initial direction the worm creeps to
/* set the initial direction the worm creeps to */
dirx = 1;
diry = 0;
// make and display some food and argh
/* make and display some food and argh */
arghCount = MAX_FOOD;
for (i = 0; i < MAX_FOOD; i++) {
makeFood(i);
@ -394,63 +399,56 @@ void initWormlet(void) {
drawArgh(i);
}
// draw the game field
lcd_invertrect (0 , 0 , FIELD_RECT_WIDTH + 2, FIELD_RECT_HEIGHT + 2);
lcd_invertrect(0 + 1, 0 + 1, FIELD_RECT_WIDTH , FIELD_RECT_HEIGHT);
/* draw the game field */
lcd_invertrect(0, 0, FIELD_RECT_WIDTH + 2, FIELD_RECT_HEIGHT + 2);
lcd_invertrect(1, 1, FIELD_RECT_WIDTH, FIELD_RECT_HEIGHT);
// make everything visible
/* make everything visible */
lcd_update();
}
/**
* Move the worm one step further.
* The direction in which the worm moves is taken
* from dirx and diry. If the
* worm crosses the boundaries of the field the
* worm is wrapped (it enters the field from the
* opposite side). moveWorm decreases growing if > 0.
* The direction in which the worm moves is taken from dirx and diry. If the
* worm crosses the boundaries of the field the worm is wrapped (it enters
* the field from the opposite side). moveWorm decreases growing if > 0.
*/
void moveWorm(void) {
// find the next array index for the head
static void moveWorm(void)
{
/* find the next array index for the head */
head++;
if (head >= MAX_WORM_LENGTH){
if (head >= MAX_WORM_LENGTH)
head = 0;
}
// find the next array index for the tail
/* find the next array index for the tail */
tail++;
if (tail >= MAX_WORM_LENGTH){
if (tail >= MAX_WORM_LENGTH)
tail = 0;
}
// determine the new head position
/* determine the new head position */
headx += dirx;
heady += diry;
// Wrap the new head position if necessary
if (headx >= FIELD_RECT_WIDTH) {
/* Wrap the new head position if necessary */
if (headx >= FIELD_RECT_WIDTH)
headx = 0;
}
else
if (headx < 0)
headx = FIELD_RECT_WIDTH - 1;
if (headx < 0){
headx = FIELD_RECT_WIDTH - 1;
}
if (heady >= FIELD_RECT_HEIGHT) {
if (heady >= FIELD_RECT_HEIGHT)
heady = 0;
}
else
if (heady < 0)
heady = FIELD_RECT_HEIGHT - 1;
if (heady < 0) {
heady = FIELD_RECT_HEIGHT - 1;
}
// store the new head position in the
// worm arrays
/* store the new head position in the worm arrays */
wormx[head] = headx;
wormy[head] = heady;
// update the worms grow state
if (growing > 0) growing --;
/* update the worms grow state */
if (growing > 0)
growing--;
}
/**
@ -458,11 +456,12 @@ void moveWorm(void) {
* the display buffer. lcd_update() is NOT called thus
* the caller has to take care that the buffer is displayed.
*/
void drawWorm(void) {
// draw the new head
static void drawWorm(void)
{
/* draw the new head */
lcd_drawpixel( wormx[head] + FIELD_RECT_X, wormy[head] + FIELD_RECT_Y);
// clear the space behind the worm
/* clear the space behind the worm */
lcd_clearpixel(wormx[tail] + FIELD_RECT_X, wormy[tail] + FIELD_RECT_Y);
}
@ -473,25 +472,22 @@ void drawWorm(void) {
* @return int The index of the worm arrays that contain x, y.
* Returns -1 if the coordinates are not part of the worm.
*/
int wormCollision(int x, int y) {
static int wormCollision(int x, int y)
{
int retVal = -1;
// getWormLength is expensive -> buffer the value
/* getWormLength is expensive -> buffer the value */
int wormLength = getWormLength();
int i;
// test each entry that is part of the worm
/* test each entry that is part of the worm */
for (i = 0; i < wormLength && retVal == -1; i++) {
// The iteration iterates the length of the worm.
// Here's the conversion to the true indices within
// the worm arrays.
/* The iteration iterates the length of the worm.
Here's the conversion to the true indices within the worm arrays. */
int trueIndex = (tail + i) % MAX_WORM_LENGTH;
// The check
if (wormx[trueIndex] == x && wormy[trueIndex] == y) {
if (wormx[trueIndex] == x && wormy[trueIndex] == y)
retVal = trueIndex;
}
}
return retVal;
}
@ -501,13 +497,14 @@ int wormCollision(int x, int y) {
* crossed the field boundaries.
* @return bool true if the worm just has wrapped.
*/
bool fieldCollision(void) {
static bool fieldCollision(void)
{
bool retVal = false;
if ((headx == FIELD_RECT_WIDTH - 1 && dirx == -1) ||
(headx == 0 && dirx == 1) ||
(heady == FIELD_RECT_HEIGHT - 1 && diry == -1) ||
(heady == 0 && diry == 1)) {
(headx == 0 && dirx == 1) ||
(heady == 0 && diry == 1))
{
retVal = true;
}
return retVal;
@ -516,78 +513,46 @@ bool fieldCollision(void) {
/**
* Checks and returns wether the head of the worm
* is colliding with something currently.
* @return int One of the values
* <ul>
* <li>COLLISION_NONE
* <li>COLLISION_WORM
* <li>COLLISION_FOOD
* <li>COLLISION_ARGH
* <li>COLLISION_FIELD
* </ul>
* @return int One of the values:
* COLLISION_NONE
* COLLISION_WORM
* COLLISION_FOOD
* COLLISION_ARGH
* COLLISION_FIELD
*/
int checkCollision(void) {
static int checkCollision(void)
{
int retVal = COLLISION_NONE;
if (wormCollision(headx, heady) >= 0) {
if (wormCollision(headx, heady) >= 0)
retVal = COLLISION_WORM;
}
if (foodCollision(headx, heady) >= 0) {
if (foodCollision(headx, heady) >= 0)
retVal = COLLISION_FOOD;
}
if (arghCollision(headx, heady) >= 0) {
if (arghCollision(headx, heady))
retVal = COLLISION_ARGH;
}
if (fieldCollision()) {
if (fieldCollision())
retVal = COLLISION_FIELD;
}
return retVal;
}
/*
void debugOutput(void) {
char buf[40];
// head
snprintf(buf, sizeof(buf), "h:%d(%d;%d) ", head, wormx[head], wormy[head]);
lcd_putsxy(FIELD_RECT_WIDTH + 3, 0, buf, 0);
// tail
snprintf(buf, sizeof(buf), "t:%d(%d;%d) ", tail, wormx[tail], wormy[tail]);
lcd_putsxy(FIELD_RECT_WIDTH + 3, 8, buf, 0);
// speed
snprintf(buf, sizeof(buf), "div:%d ", speed);
lcd_putsxy(FIELD_RECT_WIDTH + 3, 16, buf, 0);
// collision
switch (checkCollision()) {
case COLLISION_NONE: snprintf(buf, sizeof(buf), "free "); break;
case COLLISION_WORM: snprintf(buf, sizeof(buf), "worm "); break;
case COLLISION_FOOD: snprintf(buf, sizeof(buf), "food "); break;
case COLLISION_ARGH: snprintf(buf, sizeof(buf), "argh "); break;
case COLLISION_FIELD: snprintf(buf, sizeof(buf), "field "); break;
}
lcd_putsxy(FIELD_RECT_WIDTH + 3, 24, buf, 0);
}
*/
/**
* Prints out the score board with all the status information
* about the game.
*/
void scoreBoard(void) {
static void scoreBoard(void)
{
char buf[15];
char buf2[15];
// Title
/* Title */
snprintf(buf, sizeof (buf), "Wormlet");
lcd_putsxy(FIELD_RECT_WIDTH + 3, 0, buf, 0);
// length
/* length */
snprintf(buf, sizeof (buf), "length:");
lcd_putsxy(FIELD_RECT_WIDTH + 3, 12, buf, 0);
snprintf(buf, sizeof (buf), "%d ", getWormLength() - growing);
@ -596,12 +561,10 @@ void scoreBoard(void) {
switch (checkCollision()) {
case COLLISION_NONE:
snprintf(buf, sizeof(buf), "I'm hungry! ");
if (growing > 0) {
if (growing > 0)
snprintf(buf2, sizeof(buf2), "growing");
}
else {
else
snprintf(buf2, sizeof(buf2), " ");
}
break;
case COLLISION_WORM:
@ -634,7 +597,8 @@ void scoreBoard(void) {
* @return bool Returns true if the worm is dead. Returns
* false if the worm is healthy, up and creeping.
*/
bool processCollisions(void) {
static bool processCollisions(void)
{
bool wormDead = false;
int index = -1;
@ -642,44 +606,39 @@ bool processCollisions(void) {
if (!wormDead) {
// check if food was eaten
/* check if food was eaten */
index = foodCollision(headx, heady);
if (index != -1){
int i;
clearFood(index);
makeFood(index);
drawFood(index);
int i = 0;
for (i = 0; i < ARGHS_PER_FOOD; i++) {
arghCount++;
if (arghCount > MAX_ARGH) {
if (arghCount > MAX_ARGH)
arghCount = MAX_ARGH;
}
makeArgh(arghCount - 1);
drawArgh(arghCount - 1);
}
tail -= WORM_PER_FOOD;
growing += WORM_PER_FOOD;
if (tail < 0) {
if (tail < 0)
tail += MAX_WORM_LENGTH;
}
drawWorm();
}
// check if argh was eaten
/* check if argh was eaten */
else {
index = arghCollision(headx, heady);
if (index != -1) {
if (index != -1)
wormDead = true;
}
else {
if (wormCollision(headx, heady) != -1) {
else
if (wormCollision(headx, heady) != -1)
wormDead = true;
}
}
}
}
return wormDead;
@ -691,14 +650,15 @@ bool processCollisions(void) {
* with a dead worm. Returns false if the user
* aborted the game manually.
*/
bool run(void) {
static bool run(void)
{
int button = 0;
int wormDead = false;
// initialize the board and so on
/* initialize the board and so on */
initWormlet();
// change the direction of the worm
/* change the direction of the worm */
while (button != BUTTON_OFF && ! wormDead)
{
switch (button) {
@ -732,7 +692,6 @@ bool run(void) {
}
moveWorm();
// debugOutput();
wormDead = processCollisions();
drawWorm();
scoreBoard();
@ -751,25 +710,25 @@ Menu wormlet(void)
int button;
do {
// button state will be overridden if
// the game quits with the death of the worm.
// Initializing button to BUTTON_OFF ensures
// that the user can hit BUTTON_OFF during the
// game to return to the menu.
/* button state will be overridden if
the game quits with the death of the worm.
Initializing button to BUTTON_OFF ensures
that the user can hit BUTTON_OFF during the
game to return to the menu.
*/
button = BUTTON_OFF;
// start the game
/* start the game */
wormDead = run();
// if worm isn't dead the game was quit
// via BUTTON_OFF -> no need to wait for
// buttons.
/* if worm isn't dead the game was quit
via BUTTON_OFF -> no need to wait for buttons. */
if (wormDead) {
do {
button = button_get(true);
}
// BUTTON_ON -> start new game
// BUTTON_OFF -> back to game menu
/* BUTTON_ON -> start new game */
/* BUTTON_OFF -> back to game menu */
while (button != BUTTON_OFF && button != BUTTON_ON);
}
}

6
uisimulator/win32/Makefile
View file

@ -68,7 +68,8 @@ APPS = main.c tree.c menu.c credits.c main_menu.c\
MENUS = games_menu.c screensavers_menu.c settings_menu.c sound_menu.c
ifeq ($(DISPLAY),-DHAVE_LCD_BITMAP)
APPS += tetris.c sokoban.c blank.c bounce.c boxes.c icons.c bmp.c widgets.c
APPS += tetris.c sokoban.c blank.c bounce.c boxes.c icons.c bmp.c \
widgets.c wormlet.c
endif
SRCS = button.c dir-win32.c lcd-win32.c panic-win32.c thread-win32.c \
@ -122,6 +123,9 @@ $(OBJDIR)/widgets.o: $(RECDIR)/widgets.c
$(OBJDIR)/tetris.o: $(RECDIR)/tetris.c
$(CC) $(APPCFLAGS) -c $< -o $@
$(OBJDIR)/wormlet.o: $(RECDIR)/wormlet.c
$(CC) $(APPCFLAGS) -c $< -o $@
$(OBJDIR)/sokoban.o: $(RECDIR)/sokoban.c
$(CC) $(APPCFLAGS) -c $< -o $@

6
uisimulator/x11/Makefile
View file

@ -89,7 +89,8 @@ APPS = main.c tree.c menu.c credits.c main_menu.c\
MENUS = games_menu.c screensavers_menu.c settings_menu.c sound_menu.c
ifeq ($(DISPLAY),-DHAVE_LCD_BITMAP)
APPS += tetris.c sokoban.c blank.c bounce.c boxes.c icons.c bmp.c widgets.c
APPS += tetris.c sokoban.c blank.c bounce.c boxes.c icons.c bmp.c \
widgets.c wormlet.c
endif
SRCS = screenhack.c uibasic.c resources.c visual.c lcd-x11.c stubs.c \
@ -184,6 +185,9 @@ $(OBJDIR)/widgets.o: $(RECDIR)/widgets.c
$(OBJDIR)/tetris.o: $(RECDIR)/tetris.c
$(CC) $(APPCFLAGS) -c $< -o $@
$(OBJDIR)/wormlet.o: $(RECDIR)/wormlet.c
$(CC) $(APPCFLAGS) -c $< -o $@
$(OBJDIR)/sokoban.o: $(RECDIR)/sokoban.c
$(CC) $(APPCFLAGS) -c $< -o $@