#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <stdarg.h>
#include <sys/time.h>
#include <ctype.h>
+#include <editline/readline.h>
+#include <inttypes.h>
#include "advent.h"
-#include "database.h"
-#include "linenoise/linenoise.h"
-#include "newdb.h"
+#include "dungeon.h"
-void* xmalloc(size_t size)
+static void* xcalloc(size_t size)
{
- void* ptr = malloc(size);
+ void* ptr = calloc(size, 1);
if (ptr == NULL) {
+ // LCOV_EXCL_START
+ // exclude from coverage analysis because we can't simulate an out of memory error in testing
fprintf(stderr, "Out of memory!\n");
exit(EXIT_FAILURE);
+ // LCOV_EXCL_STOP
}
return (ptr);
}
-char* xstrdup(const char* s)
-{
- char* ptr = strdup(s);
- if (ptr == NULL) {
- fprintf(stderr, "Out of memory!\n");
- exit(EXIT_FAILURE);
- }
- return (ptr);
-}
-
-void packed_to_token(long packed, char token[6])
-{
- // Unpack and map back to ASCII.
- for (int i = 0; i < 5; ++i) {
- char advent = (packed >> i * 6) & 63;
- token[4 - i] = advent_to_ascii[(int) advent];
- }
-
- // Ensure the last character is \0.
- token[5] = '\0';
-
- // Replace trailing whitespace with \0.
- for (int i = 4; i >= 0; --i) {
- if (token[i] == ' ' || token[i] == '\t')
- token[i] = '\0';
- else
- break;
- }
-}
-
-/* Hide the fact that wods are corrently packed longs */
-
-bool wordeq(token_t a, token_t b)
-{
- return a == b;
-}
-
-bool wordempty(token_t a)
-{
- return a == 0;
-}
-
-void wordclear(token_t *v)
-{
- *v = 0;
-}
+/* I/O routines (speak, pspeak, rspeak, sspeak, get_input, yes) */
-/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
-
-void speak(const char* msg)
+static void vspeak(const char* msg, bool blank, va_list ap)
{
// Do nothing if we got a null pointer.
if (msg == NULL)
if (strlen(msg) == 0)
return;
- // Print a newline if the global game.blklin says to.
- if (game.blklin == true)
+ if (blank == true)
printf("\n");
- // Create a copy of our string, so we can edit it.
- char* copy = xstrdup(msg);
-
- // Staging area for stringified parameters.
- char parameters[5][100]; // FIXME: to be replaced with dynamic allocation
-
- // Handle format specifiers (including the custom %C, %L, %S) by adjusting the parameter accordingly, and replacing the specifier with %s.
- int pi = 0; // parameter index
- for (int i = 0; i < (int)strlen(msg); ++i) {
- if (msg[i] == '%') {
- ++pi;
-
- // Integer specifier. In order to accommodate the fact that PARMS can have both legitimate integers *and* packed tokens, stringify everything. Future work may eliminate the need for this.
- if (msg[i + 1] == 'd') {
- copy[i + 1] = 's';
- sprintf(parameters[pi], "%ld", PARMS[pi]);
+ int msglen = strlen(msg);
+
+ // Rendered string
+ ssize_t size = 2000; /* msglen > 50 ? msglen*2 : 100; */
+ char* rendered = xcalloc(size);
+ char* renderp = rendered;
+
+ // Handle format specifiers (including the custom %S) by
+ // adjusting the parameter accordingly, and replacing the
+ // specifier with %s.
+ bool pluralize = false;
+ for (int i = 0; i < msglen; i++) {
+ if (msg[i] != '%') {
+ /* Ugh. Least obtrusive way to deal with artifacts "on the floor"
+ * being dropped outside of both cave and building. */
+ if (strncmp(msg + i, "floor", 5) == 0 && strchr(" .", msg[i + 5]) && !INSIDE(game.loc)) {
+ strcpy(renderp, "ground");
+ renderp += 6;
+ i += 4;
+ size -= 5;
+ } else {
+ *renderp++ = msg[i];
+ size--;
+ }
+ } else {
+ i++;
+ // Integer specifier.
+ if (msg[i] == 'd') {
+ int32_t arg = va_arg(ap, int32_t);
+ int ret = snprintf(renderp, size, "%" PRId32, arg);
+ if (ret < size) {
+ renderp += ret;
+ size -= ret;
+ }
+ pluralize = (arg != 1);
}
// Unmodified string specifier.
- if (msg[i + 1] == 's') {
- packed_to_token(PARMS[pi], parameters[pi]);
+ if (msg[i] == 's') {
+ char *arg = va_arg(ap, char *);
+ strncat(renderp, arg, size - 1);
+ size_t len = strlen(renderp);
+ renderp += len;
+ size -= len;
}
// Singular/plural specifier.
- if (msg[i + 1] == 'S') {
- copy[i + 1] = 's';
- if (PARMS[pi - 1] > 1) { // look at the *previous* parameter (which by necessity must be numeric)
- sprintf(parameters[pi], "%s", "s");
- } else {
- sprintf(parameters[pi], "%s", "");
- }
- }
-
- // All-lowercase specifier.
- if (msg[i + 1] == 'L') {
- copy[i + 1] = 's';
- packed_to_token(PARMS[pi], parameters[pi]);
- for (int j = 0; j < (int)strlen(parameters[pi]); ++j) {
- parameters[pi][j] = tolower(parameters[pi][j]);
+ if (msg[i] == 'S') {
+ // look at the *previous* numeric parameter
+ if (pluralize) {
+ *renderp++ = 's';
+ size--;
}
}
- // First char uppercase, rest lowercase.
- if (msg[i + 1] == 'C') {
- copy[i + 1] = 's';
- packed_to_token(PARMS[pi], parameters[pi]);
- for (int j = 0; j < (int)strlen(parameters[pi]); ++j) {
- parameters[pi][j] = tolower(parameters[pi][j]);
- }
- parameters[pi][0] = toupper(parameters[pi][0]);
+ // LCOV_EXCL_START - doesn't occur in test suite.
+ /* Version specifier */
+ if (msg[i] == 'V') {
+ strcpy(renderp, VERSION);
+ size_t len = strlen(VERSION);
+ renderp += len;
+ size -= len;
}
+ // LCOV_EXCL_STOP
}
}
-
- // Render the final string.
- char rendered[2000]; // FIXME: to be replaced with dynamic allocation
- sprintf(rendered, copy, parameters[1], parameters[2], parameters[3], parameters[4]); // FIXME: to be replaced with vsprintf()
+ *renderp = 0;
// Print the message.
printf("%s\n", rendered);
- free(copy);
-}
-
-void PSPEAK(vocab_t msg, int skip)
-/* Find the skip+1st message from msg and print it. msg should be
- * the index of the inventory message for object. (INVEN+N+1 message
- * is game.prop=N message). */
-{
- if (skip >= 0)
- speak(object_descriptions[msg].longs[skip]);
- else
- speak(object_descriptions[msg].inventory);
-}
-
-void RSPEAK(vocab_t i)
-/* Print the i-th "random" message (section 6 of database). */
-{
- speak(arbitrary_messages[i]);
-}
-
-void SETPRM(long first, long p1, long p2)
-/* Stores parameters into the PRMCOM parms array for use by speak. P1 and P2
- * are stored into PARMS(first) and PARMS(first+1). */
-{
- if (first >= MAXPARMS)
- BUG(TOO_MANY_PARAMETERS_GIVEN_TO_SETPRM);
- else {
- PARMS[first] = p1;
- PARMS[first + 1] = p2;
+ free(rendered);
+}
+
+void speak(const char* msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ vspeak(msg, true, ap);
+ va_end(ap);
+}
+
+void sspeak(const int msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ fputc('\n', stdout);
+ vprintf(arbitrary_messages[msg], ap);
+ fputc('\n', stdout);
+ va_end(ap);
+}
+
+void pspeak(vocab_t msg, enum speaktype mode, int skip, bool blank, ...)
+/* Find the skip+1st message from msg and print it. Modes are:
+ * feel = for inventory, what you can touch
+ * look = the full description for the state the object is in
+ * listen = the sound for the state the object is in
+ * study = text on the object. */
+{
+ va_list ap;
+ va_start(ap, blank);
+ switch (mode) {
+ case touch:
+ vspeak(objects[msg].inventory, blank, ap);
+ break;
+ case look:
+ vspeak(objects[msg].descriptions[skip], blank, ap);
+ break;
+ case hear:
+ vspeak(objects[msg].sounds[skip], blank, ap);
+ break;
+ case study:
+ vspeak(objects[msg].texts[skip], blank, ap);
+ break;
+ case change:
+ vspeak(objects[msg].changes[skip], blank, ap);
+ break;
}
+ va_end(ap);
}
-bool GETIN(FILE *input,
- long *pword1, long *pword1x,
- long *pword2, long *pword2x)
-/* Get a command from the adventurer. Snarf out the first word, pad it with
- * blanks, and return it in WORD1. Chars 6 thru 10 are returned in WORD1X, in
- * case we need to print out the whole word in an error message. Any number of
- * blanks may follow the word. If a second word appears, it is returned in
- * WORD2 (chars 6 thru 10 in WORD2X), else WORD2 is -1. */
+void rspeak(vocab_t i, ...)
+/* Print the i-th "random" message (section 6 of database). */
{
- long junk;
-
- for (;;) {
- if (game.blklin)
- fputc('\n', stdout);;
- if (!MAPLIN(input))
- return false;
- *pword1 = GETTXT(true, true, true);
- if (game.blklin && *pword1 < 0)
- continue;
- *pword1x = GETTXT(false, true, true);
- do {
- junk = GETTXT(false, true, true);
- } while
- (junk > 0);
- *pword2 = GETTXT(true, true, true);
- *pword2x = GETTXT(false, true, true);
- do {
- junk = GETTXT(false, true, true);
- } while
- (junk > 0);
- if (GETTXT(true, true, true) <= 0)
- return true;
- RSPEAK(TWO_WORDS);
- }
+ va_list ap;
+ va_start(ap, i);
+ vspeak(arbitrary_messages[i], true, ap);
+ va_end(ap);
}
-void echo_input(FILE* destination, char* input_prompt, char* input)
+void echo_input(FILE* destination, const char* input_prompt, const char* input)
{
size_t len = strlen(input_prompt) + strlen(input) + 1;
- char* prompt_and_input = (char*) xmalloc(len);
+ char* prompt_and_input = (char*) xcalloc(len);
strcpy(prompt_and_input, input_prompt);
strcat(prompt_and_input, input);
fprintf(destination, "%s\n", prompt_and_input);
free(prompt_and_input);
}
-char* get_input()
+static int word_count(char* str)
+{
+ char delims[] = " \t";
+ int count = 0;
+ int inblanks = true;
+
+ for (char *s = str; *s; s++)
+ if (inblanks) {
+ if (strchr(delims, *s) == 0) {
+ ++count;
+ inblanks = false;
+ }
+ } else {
+ if (strchr(delims, *s) != 0) {
+ inblanks = true;
+ }
+ }
+
+ return (count);
+}
+
+static char* get_input(void)
{
// Set up the prompt
char input_prompt[] = "> ";
- if (!prompt)
+ if (!settings.prompt)
input_prompt[0] = '\0';
- // Print a blank line if game.blklin tells us to.
- if (game.blklin == true)
- printf("\n");
+ // Print a blank line
+ printf("\n");
char* input;
while (true) {
- if (editline)
- input = linenoise(input_prompt);
- else {
- input = NULL;
- size_t n = 0;
- if (isatty(0))
- printf("%s", input_prompt);
- IGNORE(getline(&input, &n, stdin));
- }
+ input = readline(input_prompt);
- if (input == NULL) // Got EOF; quit.
- exit(EXIT_SUCCESS);
- else if (input[0] == '#') // Ignore comments.
+ if (input == NULL) // Got EOF; return with it.
+ return (input);
+ if (input[0] == '#') { // Ignore comments.
+ free(input);
continue;
- else // We have a 'normal' line; leave the loop.
- break;
+ }
+ // We have a 'normal' line; leave the loop.
+ break;
}
// Strip trailing newlines from the input
input[strcspn(input, "\n")] = 0;
- linenoiseHistoryAdd(input);
+ add_history(input);
if (!isatty(0))
echo_input(stdout, input_prompt, input);
- if (logfp)
- echo_input(logfp, input_prompt, input);
+ if (settings.logfp)
+ echo_input(settings.logfp, "", input);
return (input);
}
-bool YES(const char* question, const char* yes_response, const char* no_response)
+bool silent_yes(void)
+{
+ bool outcome = false;
+
+ for (;;) {
+ char* reply = get_input();
+ if (reply == NULL) {
+ // LCOV_EXCL_START
+ // Should be unreachable. Reply should never be NULL
+ free(reply);
+ exit(EXIT_SUCCESS);
+ // LCOV_EXCL_STOP
+ }
+ if (strlen(reply) == 0) {
+ free(reply);
+ rspeak(PLEASE_ANSWER);
+ continue;
+ }
+
+ char* firstword = (char*) xcalloc(strlen(reply) + 1);
+ sscanf(reply, "%s", firstword);
+
+ free(reply);
+
+ for (int i = 0; i < (int)strlen(firstword); ++i)
+ firstword[i] = tolower(firstword[i]);
+
+ int yes = strncmp("yes", firstword, sizeof("yes") - 1);
+ int y = strncmp("y", firstword, sizeof("y") - 1);
+ int no = strncmp("no", firstword, sizeof("no") - 1);
+ int n = strncmp("n", firstword, sizeof("n") - 1);
+
+ free(firstword);
+
+ if (yes == 0 ||
+ y == 0) {
+ outcome = true;
+ break;
+ } else if (no == 0 ||
+ n == 0) {
+ outcome = false;
+ break;
+ } else
+ rspeak(PLEASE_ANSWER);
+ }
+ return (outcome);
+}
+
+
+bool yes(const char* question, const char* yes_response, const char* no_response)
/* Print message X, wait for yes/no answer. If yes, print Y and return true;
* if no, print Z and return false. */
{
- char* reply;
- bool outcome;
+ bool outcome = false;
for (;;) {
speak(question);
- reply = get_input();
+ char* reply = get_input();
+ if (reply == NULL) {
+ // LCOV_EXCL_START
+ // Should be unreachable. Reply should never be NULL
+ free(reply);
+ exit(EXIT_SUCCESS);
+ // LCOV_EXCL_STOP
+ }
+
+ if (strlen(reply) == 0) {
+ free(reply);
+ rspeak(PLEASE_ANSWER);
+ continue;
+ }
- char* firstword = (char*) xmalloc(strlen(reply));
+ char* firstword = (char*) xcalloc(strlen(reply) + 1);
sscanf(reply, "%s", firstword);
+ free(reply);
+
for (int i = 0; i < (int)strlen(firstword); ++i)
firstword[i] = tolower(firstword[i]);
free(firstword);
- if (yes == 0 || y == 0) {
+ if (yes == 0 ||
+ y == 0) {
speak(yes_response);
outcome = true;
break;
- } else if (no == 0 || n == 0) {
+ } else if (no == 0 ||
+ n == 0) {
speak(no_response);
outcome = false;
break;
} else
- RSPEAK(PLEASE_ANSWER);
+ rspeak(PLEASE_ANSWER);
+
}
- linenoiseFree(reply);
+
return (outcome);
}
-/* Line-parsing routines (GETTXT, MAKEWD, PUTTXT, SHFTXT) */
+/* Data structure routines */
-long GETTXT(bool skip, bool onewrd, bool upper)
-/* Take characters from an input line and pack them into 30-bit words.
- * Skip says to skip leading blanks. ONEWRD says stop if we come to a
- * blank. UPPER says to map all letters to uppercase. If we reach the
- * end of the line, the word is filled up with blanks (which encode as 0's).
- * If we're already at end of line when TEXT is called, we return -1. */
+static int get_motion_vocab_id(const char* word)
+// Return the first motion number that has 'word' as one of its words.
{
- long text;
- static long splitting = -1;
-
- if (LNPOSN != splitting)
- splitting = -1;
- text = -1;
- while (true) {
- if (LNPOSN > LNLENG)
- return (text);
- if ((!skip) || INLINE[LNPOSN] != 0)
- break;
- ++LNPOSN;
+ for (int i = 0; i < NMOTIONS; ++i) {
+ for (int j = 0; j < motions[i].words.n; ++j) {
+ if (strncasecmp(word, motions[i].words.strs[j], TOKLEN) == 0 && (strlen(word) > 1 ||
+ strchr(ignore, word[0]) == NULL ||
+ !settings.oldstyle))
+ return (i);
+ }
}
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
- text = 0;
- for (int I = 1; I <= TOKLEN; I++) {
- text = text * 64;
- if (LNPOSN > LNLENG || (onewrd && INLINE[LNPOSN] == 0))
- continue;
- char current = INLINE[LNPOSN];
- if (current < ascii_to_advent['%']) {
- splitting = -1;
- if (upper && current >= ascii_to_advent['a'])
- current = current - 26;
- text = text + current;
- ++LNPOSN;
- continue;
+static int get_object_vocab_id(const char* word)
+// Return the first object number that has 'word' as one of its words.
+{
+ for (int i = 0; i < NOBJECTS + 1; ++i) { // FIXME: the + 1 should go when 1-indexing for objects is removed
+ for (int j = 0; j < objects[i].words.n; ++j) {
+ if (strncasecmp(word, objects[i].words.strs[j], TOKLEN) == 0)
+ return (i);
}
- if (splitting != LNPOSN) {
- text = text + ascii_to_advent['%'];
- splitting = LNPOSN;
- continue;
+ }
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
+
+static int get_action_vocab_id(const char* word)
+// Return the first motion number that has 'word' as one of its words.
+{
+ for (int i = 0; i < NACTIONS; ++i) {
+ for (int j = 0; j < actions[i].words.n; ++j) {
+ if (strncasecmp(word, actions[i].words.strs[j], TOKLEN) == 0 && (strlen(word) > 1 ||
+ strchr(ignore, word[0]) == NULL ||
+ !settings.oldstyle))
+ return (i);
}
+ }
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
+
+static bool is_valid_int(const char *str)
+/* Returns true if the string passed in is represents a valid integer,
+ * that could then be parsed by atoi() */
+{
+ // Handle negative number
+ if (*str == '-')
+ ++str;
+
+ // Handle empty string or just "-". Should never reach this
+ // point, because this is only used with transitive verbs.
+ if (!*str)
+ return false; // LCOV_EXCL_LINE
- text = text + current - ascii_to_advent['%'];
- splitting = -1;
- ++LNPOSN;
+ // Check for non-digit chars in the rest of the stirng.
+ while (*str) {
+ if (!isdigit(*str))
+ return false;
+ else
+ ++str;
}
- return text;
+ return true;
}
-token_t MAKEWD(long letters)
-/* Combine TOKLEN (currently 5) uppercase letters (represented by
- * pairs of decimal digits in lettrs) to form a 30-bit value matching
- * the one that GETTXT would return given those characters plus
- * trailing blanks. Caution: lettrs will overflow 31 bits if
- * 5-letter word starts with V-Z. As a kludgey workaround, you can
- * increment a letter by 5 by adding 50 to the next pair of
- * digits. */
+static void get_vocab_metadata(command_word_t* word)
{
- long i = 1, word = 0;
+ /* Check for an empty string */
+ if (strncmp(word->raw, "", sizeof("")) == 0) {
+ word->id = WORD_EMPTY;
+ word->type = NO_WORD_TYPE;
+ return;
+ }
+
+ vocab_t ref_num;
+
+ ref_num = get_motion_vocab_id(word->raw);
+ if (ref_num != WORD_NOT_FOUND) {
+ word->id = ref_num;
+ word->type = MOTION;
+ return;
+ }
- for (long k = letters; k != 0; k = k / 100) {
- word = word + i * (MOD(k, 50) + 10);
- i = i * 64;
- if (MOD(k, 100) > 50)word = word + i * 5;
+ ref_num = get_object_vocab_id(word->raw);
+ if (ref_num != WORD_NOT_FOUND) {
+ word->id = ref_num;
+ word->type = OBJECT;
+ return;
}
- i = 64L * 64L * 64L * 64L * 64L / i;
- word = word * i;
- return word;
+
+ ref_num = get_action_vocab_id(word->raw);
+ if (ref_num != WORD_NOT_FOUND) {
+ word->id = ref_num;
+ word->type = ACTION;
+ return;
+ }
+
+ // Check for the reservoir magic word.
+ if (strcasecmp(word->raw, game.zzword) == 0) {
+ word->id = PART;
+ word->type = ACTION;
+ return;
+ }
+
+ // Check words that are actually numbers.
+ if (is_valid_int(word->raw)) {
+ word->id = WORD_EMPTY;
+ word->type = NUMERIC;
+ return;
+ }
+
+ word->id = WORD_NOT_FOUND;
+ word->type = NO_WORD_TYPE;
+ return;
}
-/* Data structure routines */
+static void tokenize(char* raw, command_t *cmd)
+{
+ memset(cmd, '\0', sizeof(command_t));
-long VOCAB(long id, long init)
-/* Look up ID in the vocabulary (ATAB) and return its "definition" (KTAB), or
- * -1 if not found. If INIT is positive, this is an initialisation call setting
- * up a keyword variable, and not finding it constitutes a bug. It also means
- * that only KTAB values which taken over 1000 equal INIT may be considered.
- * (Thus "STEPS", which is a motion verb as well as an object, may be located
- * as an object.) And it also means the KTAB value is taken modulo 1000. */
+ /* Bound prefix on the %s would be needed to prevent buffer
+ * overflow. but we shortstop this more simply by making each
+ * raw-input buffer as long as the entire input buffer. */
+ sscanf(raw, "%s%s", cmd->word[0].raw, cmd->word[1].raw);
+
+ /* (ESR) In oldstyle mode, simulate the uppercasing and truncating
+ * effect on raw tokens of packing them into sixbit characters, 5
+ * to a 32-bit word. This is something the FORTRAN version did
+ * becuse archaic FORTRAN had no string types. Don Wood's
+ * mechanical translation of 2.5 to C retained the packing and
+ * thus this misfeature.
+ *
+ * It's philosophically questionable whether this is the right
+ * thing to do even in oldstyle mode. On one hand, the text
+ * mangling was not authorial intent, but a result of limitations
+ * in their tools. On the other, not simulating this misbehavior
+ * goes against the goal of making oldstyle as accurate as
+ * possible an emulation of the original UI.
+ */
+ if (settings.oldstyle) {
+ cmd->word[0].raw[TOKLEN + TOKLEN] = cmd->word[1].raw[TOKLEN + TOKLEN] = '\0';
+ for (size_t i = 0; i < strlen(cmd->word[0].raw); i++)
+ cmd->word[0].raw[i] = toupper(cmd->word[0].raw[i]);
+ for (size_t i = 0; i < strlen(cmd->word[1].raw); i++)
+ cmd->word[1].raw[i] = toupper(cmd->word[1].raw[i]);
+ }
+
+ /* populate command with parsed vocabulary metadata */
+ get_vocab_metadata(&(cmd->word[0]));
+ get_vocab_metadata(&(cmd->word[1]));
+}
+
+bool get_command_input(command_t *command)
+/* Get user input on stdin, parse and map to command */
{
- long lexeme;
-
- for (long i = 1; i <= TABSIZ; i++) {
- if (KTAB[i] == -1) {
- lexeme = -1;
- if (init < 0)
- return (lexeme);
- BUG(REQUIRED_VOCABULARY_WORD_NOT_FOUND);
- }
- if (init >= 0 && KTAB[i] / 1000 != init)
+ char inputbuf[LINESIZE];
+ char* input;
+
+ for (;;) {
+ input = get_input();
+ if (input == NULL)
+ return false;
+ if (word_count(input) > 2) {
+ rspeak(TWO_WORDS);
+ free(input);
continue;
- if (ATAB[i] == id) {
- lexeme = KTAB[i];
- if (init >= 0)
- lexeme = MOD(lexeme, 1000);
- return (lexeme);
}
+ if (strcmp(input, "") != 0)
+ break;
+ free(input);
}
- BUG(RAN_OFF_END_OF_VOCABULARY_TABLE);
+
+ strncpy(inputbuf, input, LINESIZE - 1);
+ free(input);
+
+ tokenize(inputbuf, command);
+
+ return true;
}
-void JUGGLE(long object)
+void juggle(obj_t object)
/* Juggle an object by picking it up and putting it down again, the purpose
* being to get the object to the front of the chain of things at its loc. */
{
- long i, j;
+ loc_t i, j;
i = game.place[object];
j = game.fixed[object];
- MOVE(object, i);
- MOVE(object + NOBJECTS, j);
+ move(object, i);
+ move(object + NOBJECTS, j);
}
-void MOVE(long object, long where)
+void move(obj_t object, loc_t where)
/* Place any object anywhere by picking it up and dropping it. May
* already be toting, in which case the carry is a no-op. Mustn't
* pick up objects which are not at any loc, since carry wants to
* remove objects from game.atloc chains. */
{
- long from;
+ loc_t from;
if (object > NOBJECTS)
from = game.fixed[object - NOBJECTS];
else
from = game.place[object];
- if (from != LOC_NOWHERE && from != CARRIED && !SPECIAL(from))
- CARRY(object, from);
- DROP(object, where);
+ /* (ESR) Used to check for !SPECIAL(from). I *think* that was wrong... */
+ if (from != LOC_NOWHERE && from != CARRIED)
+ carry(object, from);
+ drop(object, where);
}
-long PUT(long object, long where, long pval)
-/* PUT is the same as MOVE, except it returns a value used to set up the
+loc_t put(obj_t object, loc_t where, long pval)
+/* put() is the same as move(), except it returns a value used to set up the
* negated game.prop values for the repository objects. */
{
- MOVE(object, where);
- return (-1) - pval;;
+ move(object, where);
+ return STASHED(pval);
}
-void CARRY(long object, long where)
+void carry(obj_t object, loc_t where)
/* Start toting an object, removing it from the list of things at its former
* location. Incr holdng unless it was already being toted. If object>NOBJECTS
* (moving "fixed" second loc), don't change game.place or game.holdng. */
game.link[temp] = game.link[object];
}
-void DROP(long object, long where)
+void drop(obj_t object, loc_t where)
/* Place an object at a given loc, prefixing it onto the game.atloc list. Decr
* game.holdng if the object was being toted. */
{
--game.holdng;
game.place[object] = where;
}
- if (where <= 0)
+ if (where == LOC_NOWHERE ||
+ where == CARRIED)
return;
game.link[object] = game.atloc[where];
game.atloc[where] = object;
}
-long ATDWRF(long where)
+int atdwrf(loc_t where)
/* Return the index of first dwarf at the given location, zero if no dwarf is
* there (or if dwarves not active yet), -1 if all dwarves are dead. Ignore
* the pirate (6th dwarf). */
{
- long at;
+ int at;
at = 0;
if (game.dflag < 2)
- return (at);
+ return at;
at = -1;
for (long i = 1; i <= NDWARVES - 1; i++) {
if (game.dloc[i] == where)
if (game.dloc[i] != 0)
at = 0;
}
- return (at);
+ return at;
}
-/* Utility routines (SETBIT, TSTBIT, set_seed, get_next_lcg_value,
- * randrange, RNDVOC) */
+/* Utility routines (setbit, tstbit, set_seed, get_next_lcg_value,
+ * randrange) */
-long SETBIT(long bit)
+long setbit(int bit)
/* Returns 2**bit for use in constructing bit-masks. */
{
- return (1 << bit);
+ return (1L << bit);
}
-bool TSTBIT(long mask, int bit)
+bool tstbit(long mask, int bit)
/* Returns true if the specified bit is set in the mask. */
{
return (mask & (1 << bit)) != 0;
}
-void set_seed(long seedval)
+void set_seed(int32_t seedval)
/* Set the LCG seed */
{
- game.lcg_x = (unsigned long) seedval % game.lcg_m;
+ game.lcg_x = (uint32_t) seedval % LCG_M;
+
+ // once seed is set, we need to generate the Z`ZZZ word
+ for (int i = 0; i < 5; ++i) {
+ game.zzword[i] = 'A' + randrange(26);
+ }
+ game.zzword[1] = '\''; // force second char to apostrophe
+ game.zzword[5] = '\0';
}
-unsigned long get_next_lcg_value(void)
+static int32_t get_next_lcg_value(void)
/* Return the LCG's current value, and then iterate it. */
{
- unsigned long old_x = game.lcg_x;
- game.lcg_x = (game.lcg_a * game.lcg_x + game.lcg_c) % game.lcg_m;
+ int32_t old_x = game.lcg_x;
+ game.lcg_x = (LCG_A * game.lcg_x + LCG_C) % LCG_M;
return old_x;
}
-long randrange(long range)
+int32_t randrange(int32_t range)
/* Return a random integer from [0, range). */
{
- return range * get_next_lcg_value() / game.lcg_m;
-}
-
-long RNDVOC(long second, long force)
-/* Searches the vocabulary ATAB for a word whose second character is
- * char, and changes that word such that each of the other four
- * characters is a random letter. If force is non-zero, it is used
- * as the new word. Returns the new word. */
-{
- long rnd = force;
-
- if (rnd == 0) {
- for (int i = 1; i <= 5; i++) {
- long j = 11 + randrange(26);
- if (i == 2)
- j = second;
- rnd = rnd * 64 + j;
- }
- }
-
- long div = 64L * 64L * 64L;
- for (int i = 1; i <= TABSIZ; i++) {
- if (MOD(ATAB[i] / div, 64L) == second) {
- ATAB[i] = rnd;
- break;
- }
- }
-
- return rnd;
+ return range * get_next_lcg_value() / LCG_M;
}
-
-/* Machine dependent routines (MAPLIN, SAVEIO) */
-
-bool MAPLIN(FILE *fp)
+// LCOV_EXCL_START
+void bug(enum bugtype num, const char *error_string)
{
- bool eof;
-
- /* Read a line of input, from the specified input source.
- * This logic is complicated partly because it has to serve
- * several cases with different requirements and partly because
- * of a quirk in linenoise().
- *
- * The quirk shows up when you paste a test log from the clipboard
- * to the program's command prompt. While fgets (as expected)
- * consumes it a line at a time, linenoise() returns the first
- * line and discards the rest. Thus, there needs to be an
- * editline (-s) option to fall back to fgets while still
- * prompting. Note that linenoise does behave properly when
- * fed redirected stdin.
- *
- * The logging is a bit of a mess because there are two distinct cases
- * in which you want to echo commands. One is when shipping them to
- * a log under the -l option, in which case you want to suppress
- * prompt generation (so test logs are unadorned command sequences).
- * On the other hand, if you redirected stdin and are feeding the program
- * a logfile, you *do* want prompt generation - it makes checkfiles
- * easier to read when the commands are marked by a preceding prompt.
- */
- do {
- if (!editline) {
- if (prompt)
- fputs("> ", stdout);
- IGNORE(fgets(rawbuf, sizeof(rawbuf) - 1, fp));
- eof = (feof(fp));
- } else {
- char *cp = linenoise("> ");
- eof = (cp == NULL);
- if (!eof) {
- strncpy(rawbuf, cp, sizeof(rawbuf) - 1);
- linenoiseHistoryAdd(rawbuf);
- strncat(rawbuf, "\n", sizeof(rawbuf) - strlen(rawbuf) - 1);
- linenoiseFree(cp);
- }
- }
- } while
- (!eof && rawbuf[0] == '#');
- if (eof) {
- if (logfp && fp == stdin)
- fclose(logfp);
- return false;
- } else {
- FILE *efp = NULL;
- if (logfp && fp == stdin)
- efp = logfp;
- else if (!isatty(0))
- efp = stdout;
- if (efp != NULL) {
- if (prompt && efp == stdout)
- fputs("> ", efp);
- IGNORE(fputs(rawbuf, efp));
- }
- strcpy(INLINE + 1, rawbuf);
- /* translate the chars to integers in the range 0-126 and store
- * them in the common array "INLINE". Integer values are as follows:
- * 0 = space [ASCII CODE 40 octal, 32 decimal]
- * 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
- * 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
- * 11-36 = upper-case letters
- * 37-62 = lower-case letters
- * 63 = percent (%) [ASCII 45 octal, 37 decimal]
- * 64-73 = digits, 0 through 9
- * Remaining characters can be translated any way that is convenient;
- * The above mappings are required so that certain special
- * characters are known to fit in 6 bits and/or can be easily spotted.
- * Array elements beyond the end of the line should be filled with 0,
- * and LNLENG should be set to the index of the last character.
- *
- * If the data file uses a character other than space (e.g., tab) to
- * separate numbers, that character should also translate to 0.
- *
- * This procedure may use the map1,map2 arrays to maintain static data for
- * the mapping. MAP2(1) is set to 0 when the program starts
- * and is not changed thereafter unless the routines on this page choose
- * to do so. */
- LNLENG = 0;
- for (long i = 1; i <= (long)sizeof(INLINE) && INLINE[i] != 0; i++) {
- long val = INLINE[i];
- INLINE[i] = ascii_to_advent[val];
- if (INLINE[i] != 0)
- LNLENG = i;
- }
- LNPOSN = 1;
- return true;
- }
+ fprintf(stderr, "Fatal error %d, %s.\n", num, error_string);
+ exit(EXIT_FAILURE);
}
+// LCOV_EXCL_STOP
-void DATIME(long* d, long* t)
-{
- struct timeval tv;
- gettimeofday(&tv, NULL);
- *d = (long) tv.tv_sec;
- *t = (long) tv.tv_usec;
-}
+/* end */
-void bug(enum bugtype num, const char *error_string)
+void state_change(obj_t obj, int state)
+/* Object must have a change-message list for this to be useful; only some do */
{
- fprintf(stderr, "Fatal error %d, %s.\n", num, error_string);
- exit(EXIT_FAILURE);
+ game.prop[obj] = state;
+ pspeak(obj, change, state, true);
}
/* end */
projects / open-adventure.git / blobdiff