#include <stdio.h>
#include <stdbool.h>
-#include "misc.h"
-#include "main.h"
-#include "share.h"
+#include "advent.h"
#include "funcs.h"
+#include "database.h"
/*
* Initialisation
* %B = Variable number of blanks
* %! = The entire message should be suppressed */
-static bool quick_init(void);
-static int raw_init(void);
-static void report(void);
-static void quick_save(void);
static int finish_init(void);
-static void quick_io(void);
void initialise(void) {
if (oldstyle)
printf("Initialising...\n");
- if(!quick_init()){raw_init(); report(); quick_save();}
finish_init();
}
-static int raw_init(void) {
- printf("Couldn't find adventure.data, using adventure.text...\n");
-
- FILE *OPENED=fopen("adventure.text","r" /* NOT binary */);
- if(!OPENED){printf("Can't read adventure.text!\n"); exit(0);}
-
-/* Clear out the various text-pointer arrays. All text is stored in array
- * lines; each line is preceded by a word pointing to the next pointer (i.e.
- * the word following the end of the line). The pointer is negative if this is
- * first line of a message. The text-pointer arrays contain indices of
- * pointer-words in lines. STEXT(N) is short description of location N.
- * LTEXT(N) is long description. PTEXT(N) points to message for PROP(N)=0.
- * Successive prop messages are found by chasing pointers. RTEXT contains
- * section 6's stuff. CTEXT(N) points to a player-class message. TTEXT is for
- * section 14. We also clear COND (see description of section 9 for details). */
-
- /* 1001 */ for (I=1; I<=300; I++) {
- if(I <= 100)PTEXT[I]=0;
- if(I <= RTXSIZ)RTEXT[I]=0;
- if(I <= CLSMAX)CTEXT[I]=0;
- if(I <= 100)OBJSND[I]=0;
- if(I <= 100)OBJTXT[I]=0;
- if(I > LOCSIZ) goto L1001;
- STEXT[I]=0;
- LTEXT[I]=0;
- COND[I]=0;
- KEY[I]=0;
- LOCSND[I]=0;
-L1001: /*etc*/ ;
- } /* end loop */
-
- LINUSE=1;
- TRVS=1;
- CLSSES=0;
- TRNVLS=0;
-
-/* Start new data section. Sect is the section number. */
-
-L1002: SECT=GETNUM(OPENED);
- OLDLOC= -1;
- switch (SECT) { case 0: return(0); case 1: goto L1004; case 2: goto
- L1004; case 3: goto L1030; case 4: goto L1040; case 5: goto L1004;
- case 6: goto L1004; case 7: goto L1050; case 8: goto L1060; case
- 9: goto L1070; case 10: goto L1004; case 11: goto L1080; case 12:
- break; case 13: goto L1090; case 14: goto L1004; }
-/* (0) (1) (2) (3) (4) (5) (6) (7) (8) (9)
- * (10) (11) (12) (13) (14) */
- BUG(9);
-
-/* Sections 1, 2, 5, 6, 10, 14. Read messages and set up pointers. */
-
-L1004: KK=LINUSE;
-L1005: LINUSE=KK;
- LOC=GETNUM(OPENED);
- if(LNLENG >= LNPOSN+70)BUG(0);
- if(LOC == -1) goto L1002;
- if(LNLENG < LNPOSN)BUG(1);
-L1006: KK=KK+1;
- if(KK >= LINSIZ)BUG(2);
- LINES[KK]=GETTXT(false,false,false,KK);
- if(LINES[KK] != -1) goto L1006;
- LINES[LINUSE]=KK;
- if(LOC == OLDLOC) goto L1005;
- OLDLOC=LOC;
- LINES[LINUSE]= -KK;
- if(SECT == 14) goto L1014;
- if(SECT == 10) goto L1012;
- if(SECT == 6) goto L1011;
- if(SECT == 5) goto L1010;
- if(LOC > LOCSIZ)BUG(10);
- if(SECT == 1) goto L1008;
-
- STEXT[LOC]=LINUSE;
- goto L1005;
-
-L1008: LTEXT[LOC]=LINUSE;
- goto L1005;
-
-L1010: if(LOC > 0 && LOC <= 100)PTEXT[LOC]=LINUSE;
- goto L1005;
-
-L1011: if(LOC > RTXSIZ)BUG(6);
- RTEXT[LOC]=LINUSE;
- goto L1005;
-
-L1012: CLSSES=CLSSES+1;
- if(CLSSES > CLSMAX)BUG(11);
- CTEXT[CLSSES]=LINUSE;
- CVAL[CLSSES]=LOC;
- goto L1005;
-
-L1014: TRNVLS=TRNVLS+1;
- if(TRNVLS > TRNSIZ)BUG(11);
- TTEXT[TRNVLS]=LINUSE;
- TRNVAL[TRNVLS]=LOC;
- goto L1005;
-
-/* The stuff for section 3 is encoded here. Each "from-location" gets a
- * contiguous section of the "TRAVEL" array. Each entry in travel is
- * NEWLOC*1000 + KEYWORD (from section 4, motion verbs), and is negated if
- * this is the last entry for this location. KEY(N) is the index in travel
- * of the first option at location N. */
-
-L1030: LOC=GETNUM(OPENED);
- if(LOC == -1) goto L1002;
- NEWLOC=GETNUM(NULL);
- if(KEY[LOC] != 0) goto L1033;
- KEY[LOC]=TRVS;
- goto L1035;
-L1033: TRVS--; TRAVEL[TRVS]= -TRAVEL[TRVS]; TRVS++;
-L1035: L=GETNUM(NULL);
- if(L == 0) goto L1039;
- TRAVEL[TRVS]=NEWLOC*1000+L;
- TRVS=TRVS+1;
- if(TRVS == TRVSIZ)BUG(3);
- goto L1035;
-L1039: TRVS--; TRAVEL[TRVS]= -TRAVEL[TRVS]; TRVS++;
- goto L1030;
-
-/* Here we read in the vocabulary. KTAB(N) is the word number, ATAB(N) is
- * the corresponding word. The -1 at the end of section 4 is left in KTAB
- * as an end-marker. The words are given a minimal hash to make deciphering
- * the core-image harder. (We don't use gettxt's hash since that would force
- * us to hash each input line to make comparisons work, and that in turn
- * would make it harder to detect particular input words.) */
-
-L1040: J=10000;
- for (TABNDX=1; TABNDX<=TABSIZ; TABNDX++) {
- KTAB[TABNDX]=GETNUM(OPENED);
- if(KTAB[TABNDX] == -1) goto L1002;
- J=J+7;
- ATAB[TABNDX]=GETTXT(true,true,true,0)+J*J;
- } /* end loop */
- BUG(4);
-
-/* Read in the initial locations for each object. Also the immovability info.
- * plac contains initial locations of objects. FIXD is -1 for immovable
- * objects (including the snake), or = second loc for two-placed objects. */
-
-L1050: OBJ=GETNUM(OPENED);
- if(OBJ == -1) goto L1002;
- PLAC[OBJ]=GETNUM(NULL);
- FIXD[OBJ]=GETNUM(NULL);
- goto L1050;
-
-/* Read default message numbers for action verbs, store in ACTSPK. */
-
-L1060: VERB=GETNUM(OPENED);
- if(VERB == -1) goto L1002;
- ACTSPK[VERB]=GETNUM(NULL);
- goto L1060;
-
-/* Read info about available liquids and other conditions, store in COND. */
-
-L1070: K=GETNUM(OPENED);
- if(K == -1) goto L1002;
-L1071: LOC=GETNUM(NULL);
- if(LOC == 0) goto L1070;
- if(CNDBIT(LOC,K)) BUG(8);
- COND[LOC]=COND[LOC]+SETBIT(K);
- goto L1071;
-
-/* Read data for hints. */
-
-L1080: HNTMAX=0;
-L1081: K=GETNUM(OPENED);
- if(K == -1) goto L1002;
- if(K <= 0 || K > HNTSIZ)BUG(7);
- for (I=1; I<=4; I++) {
- HINTS[K][I] =GETNUM(NULL);
- } /* end loop */
- HNTMAX=(HNTMAX>K ? HNTMAX : K);
- goto L1081;
-
-/* Read the sound/text info, store in OBJSND, OBJTXT, LOCSND. */
-
-L1090: K=GETNUM(OPENED);
- if(K == -1) goto L1002;
- KK=GETNUM(NULL);
- I=GETNUM(NULL);
- if(I == 0) goto L1092;
- OBJSND[K]=(KK>0 ? KK : 0);
- OBJTXT[K]=(I>0 ? I : 0);
- goto L1090;
-
-L1092: LOCSND[K]=KK;
- goto L1090;
-}
-
-/* Finish constructing internal data format */
-
-/* Having read in the database, certain things are now constructed. PROPS are
- * set to zero. We finish setting up COND by checking for forced-motion travel
- * entries. The PLAC and FIXD arrays are used to set up ATLOC(N) as the first
- * object at location N, and LINK(OBJ) as the next object at the same location
- * as OBJ. (OBJ>100 indicates that FIXED(OBJ-100)=LOC; LINK(OBJ) is still the
- * correct link to use.) ABB is zeroed; it controls whether the abbreviated
- * description is printed. Counts modulo 5 unless "LOOK" is used. */
-
static int finish_init(void) {
for (I=1; I<=100; I++) {
PLACE[I]=0;
return(0); /* then we won't actually return from initialisation */
}
-
-/* Report on amount of arrays actually used, to permit reductions. */
-
-static void report(void) {
- for (K=1; K<=LOCSIZ; K++) {
- KK=LOCSIZ+1-K;
- if(LTEXT[KK] != 0) goto L1997;
- /*etc*/ ;
- } /* end loop */
-
- OBJ=0;
-L1997: for (K=1; K<=100; K++) {
- if(PTEXT[K] != 0)OBJ=OBJ+1;
- } /* end loop */
-
- for (K=1; K<=TABNDX; K++) {
- if(KTAB[K]/1000 == 2)VERB=KTAB[K]-2000;
- } /* end loop */
-
- for (K=1; K<=RTXSIZ; K++) {
- J=RTXSIZ+1-K;
- if(RTEXT[J] != 0) goto L1993;
- /*etc*/ ;
- } /* end loop */
-
-L1993: SETPRM(1,LINUSE,LINSIZ);
- SETPRM(3,TRVS,TRVSIZ);
- SETPRM(5,TABNDX,TABSIZ);
- SETPRM(7,KK,LOCSIZ);
- SETPRM(9,OBJ,100);
- SETPRM(11,VERB,VRBSIZ);
- SETPRM(13,J,RTXSIZ);
- SETPRM(15,CLSSES,CLSMAX);
- SETPRM(17,HNTMAX,HNTSIZ);
- SETPRM(19,TRNVLS,TRNSIZ);
- RSPEAK(267);
- TYPE0();
-}
-
-static long init_reading, init_cksum;
-static FILE *f;
-
-static void quick_item(long*);
-static void quick_array(long*, long);
-
-static bool quick_init(void) {
- extern char *getenv();
- char *adv = getenv("ADVENTURE");
- f = NULL;
- if(adv)f = fopen(adv,READ_MODE);
- if(f == NULL)f = fopen("adventure.data",READ_MODE);
- if(f == NULL)return(false);
- init_reading = true;
- init_cksum = 1;
- quick_io();
- if(fread(&K,sizeof(long),1,f) == 1) init_cksum -= K; else init_cksum = 1;
- fclose(f);
- if(init_cksum != 0)printf("Checksum error!\n");
- return(init_cksum == 0);
-}
-
-static void quick_save(void) {
- printf("Writing adventure.data...\n");
- f = fopen("adventure.data",WRITE_MODE);
- if(f == NULL){printf("Can't open file!\n"); return;}
- init_reading = false;
- init_cksum = 1;
- quick_io();
- fwrite(&init_cksum,sizeof(long),1,f);
- fclose(f);
-}
-
-static void quick_io(void) {
- quick_item(&LINUSE);
- quick_item(&TRVS);
- quick_item(&CLSSES);
- quick_item(&TRNVLS);
- quick_item(&TABNDX);
- quick_item(&HNTMAX);
- quick_array(PTEXT,100);
- quick_array(RTEXT,RTXSIZ);
- quick_array(CTEXT,CLSMAX);
- quick_array(OBJSND,100);
- quick_array(OBJTXT,100);
- quick_array(STEXT,LOCSIZ);
- quick_array(LTEXT,LOCSIZ);
- quick_array(COND,LOCSIZ);
- quick_array(KEY,LOCSIZ);
- quick_array(LOCSND,LOCSIZ);
- quick_array(LINES,LINSIZ);
- quick_array(CVAL,CLSMAX);
- quick_array(TTEXT,TRNSIZ);
- quick_array(TRNVAL,TRNSIZ);
- quick_array(TRAVEL,TRVSIZ);
- quick_array(KTAB,TABSIZ);
- quick_array(ATAB,TABSIZ);
- quick_array(PLAC,100);
- quick_array(FIXD,100);
- quick_array(ACTSPK,VRBSIZ);
- quick_array((long *)HINTS,(HNTMAX+1)*5-1);
-}
-
-static void quick_item(W)long *W; {
- if(init_reading && fread(W,sizeof(long),1,f) != 1)return;
- init_cksum = MOD(init_cksum*13+(*W),60000000);
- if(!init_reading)fwrite(W,sizeof(long),1,f);
-}
-
-static void quick_array(A,N)long *A, N; { long I;
- if(init_reading && fread(A,sizeof(long),N+1,f) != N+1)printf("Read error!\n");
- for(I=1;I<=N;I++)init_cksum = MOD(init_cksum*13+A[I],60000000);
- if(!init_reading && fwrite(A,sizeof(long),N+1,f)!=N+1)printf("Write error!\n");
-}
projects / open-adventure.git / blobdiff