Free Hero Mesh

Check-in [9aed95654b]
Login
Home Timeline Files Branches Tags Tickets Wiki Sitemap
This is a mirror of the main repository for Free Hero Mesh. New tickets and changes will not be accepted at this mirror.
Overview
Comment:Implement many more opcodes and correct a few
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 9aed95654b0222087898531c1b17c65ec3fc6616
User & Date: user on 2020-12-04 06:07:04
Other Links: manifest | tags
Context
2020-12-05
03:51
Implement some more instructions, and correct a mistake in the instruction compiler check-in: aa53c20de4 user: user tags: trunk
2020-12-04
06:07
Implement many more opcodes and correct a few check-in: 9aed95654b user: user tags: trunk
02:08
Remove Transform and add CollisionLayers and fix some other names. check-in: 68ea2a92ca user: user tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified exec.c from [f261ea0bfd] to [e2ffb5851d].

︙
22
23
24
25
26
27
28
29

30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

48
49
50
51
52
53
54
55








56
57
58
59
60
61
62

22
23
24
25
26
27
28

29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71








-
+


















+








+
+
+
+
+
+
+
+








Uint32 max_objects;
Uint32 generation_number;
Object**objects;
Uint32 nobjects;
Value globals[0x800];
Uint32 firstobj=VOIDLINK;
Uint32 lastobj=VOIDLINK;
Uint32 playfield[64*64];
Uint32 playfield[64*64]; // bottom-most object per cell
Uint8 pfwidth,pfheight;
Sint8 gameover,key_ignored;
Uint8 generation_number_inc;
Uint32 move_number;

typedef struct {
  Uint16 msg;
  Uint32 from;
  Value arg1,arg2,arg3;
} MessageVars;

static jmp_buf my_env;
static const char*my_error;
static MessageVars msgvars;
static char lastimage_processing,changed;
static Value vstack[VSTACKSIZE];
static int vstackptr;
static const char*traceprefix;
static Uint8 current_key;

#define Throw(x) (my_error=(x),longjmp(my_env,1))
#define StackReq(x,y) do{ if(vstackptr<(x)) Throw("Stack underflow"); if(vstackptr-(x)+(y)>=VSTACKSIZE) Throw("Stack overflow"); }while(0)
#define Push(x) (vstack[vstackptr++]=(x))
#define Pop() (vstack[--vstackptr])

static Value send_message(Uint32 from,Uint32 to,Uint16 msg,Value arg1,Value arg2,Value arg3);
static Uint32 broadcast(Uint32 from,int c,Uint16 msg,Value arg1,Value arg2,Value arg3,int s);

const char*value_string_ptr(Value v) {
  switch(v.t) {
    case TY_STRING: return stringpool[v.u];
    //TODO: Level strings
    default: fatal("Trying to get string pointer for a non-string\n");
  }
}

void pfunlink(Uint32 n) {
  Object*o=objects[n];
  if(o->down==VOIDLINK) playfield[o->x+o->y*64-65]=o->up;
  else objects[o->down]->up=o->up;
  if(o->up!=VOIDLINK) objects[o->up]->down=o->down;
  o->down=o->up=VOIDLINK;
︙
145
146
147
148
149
150
151











152
153
154
155
156
157
158
159









160
161
162
163
164
165
166
167
168
169
170
171
172










173
174
175
176
177
178
179

154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218








+
+
+
+
+
+
+
+
+
+
+








+
+
+
+
+
+
+
+
+













+
+
+
+
+
+
+
+
+
+








  if(lastobj==n) lastobj=o->prev;
  if(o->prev) objects[o->prev]->next=o->next;
  if(o->next) objects[o->next]->prev=o->prev;
  free(o);
  objects[n]=0;
  generation_number_inc=1;
}

static Uint32 obj_class_at(Uint32 c,Uint32 x,Uint32 y) {
  Uint32 i;
  if(x<1 || x>pfwidth || y<1 || y>pfheight) return VOIDLINK;
  i=playfield[x+y*64-65];
  while(i!=VOIDLINK) {
    if(objects[i]->class==c && !(objects[i]->oflags&OF_DESTROYED) && !(objects[i]->dir&IOF_DEAD)) return i;
    i=objects[i]->up;
  }
  return VOIDLINK;
}

static inline int v_bool(Value v) {
  switch(v.t) {
    case TY_NUMBER: return v.u!=0;
    case TY_SOUND: case TY_USOUND: Throw("Cannot convert sound to boolean");
    default: return 1;
  }
}

static inline int v_equal(Value x,Value y) {
  if(x.t==TY_SOUND || y.t==TY_SOUND || x.t==TY_USOUND || y.t==TY_USOUND) Throw("Cannot compare sounds");
  if(x.t==y.t && x.u==y.u) return 1;
  if((x.t==TY_STRING || x.t==TY_LEVELSTRING) && (y.t==TY_STRING || y.t==TY_LEVELSTRING)) {
    if(!strcmp(value_string_ptr(x),value_string_ptr(y))) return 1;
  }
  return 0;
}

static Uint32 v_object(Value v) {
  if(v.t==TY_NUMBER) {
    if(v.u) Throw("Cannot convert number to object");
    return VOIDLINK;
  } else if(v.t>TY_MAXTYPE) {
    if(v.u>=nobjects || !objects[v.u]) Throw("Attempt to use a nonexistent object");
    if(objects[v.u]->generation!=v.t) Throw("Attempt to use a nonexistent object");
    return v.u;
  } else {
    Throw("Cannot convert non-object to object");
  }
}

static inline int v_signed_greater(Value x,Value y) {
  if(x.t!=TY_NUMBER || y.t!=TY_NUMBER) Throw("Type mismatch");
  return x.s>y.s;
}

static inline int v_unsigned_greater(Value x,Value y) {
  if(x.t!=TY_NUMBER || y.t!=TY_NUMBER) Throw("Type mismatch");
  return x.u>y.u;
}

static void trace_stack(Uint32 obj) {
  Value t2=Pop();
  Value t1=Pop();
  Value t0=Pop();
  Object*o;
  if(!main_options['t']) return;
︙
193
194
195
196
197
198
199








200
201
202
203
204
205
206
207
208
209
210
211
212
213


214
215
216
217
218
219



220
221
222
223
224
225

























226
227
228
229

230
231
232
233
234
235
236
237
238
239
240
241
242


243
244
245



246


247


248
249

250


251

252
253



254

255
256
257
258
259
260
261
262
263

264
265
266


267

268
269
270
271
272
273
274

232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305

306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330

331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362

363
364
365
366
367
368
369
370








+
+
+
+
+
+
+
+














+
+






+
+
+






+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+



-
+













+
+



+
+
+

+
+
-
+
+


+

+
+

+


+
+
+

+









+



+
+
-
+








}

static inline Value v_broadcast(Uint32 from,Value c,Value msg,Value arg1,Value arg2,Value arg3,int s) {
  if(msg.t!=TY_MESSAGE) Throw("Type mismatch");
  if(c.t!=TY_CLASS && (c.t!=TY_NUMBER || c.u)) Throw("Type mismatch");
  return NVALUE(broadcast(from,c.u,msg.u,arg1,arg2,arg3,s));
}

static inline Value v_obj_class_at(Value c,Value x,Value y) {
  Uint32 i;
  if(c.t==TY_NUMBER && !c.u) return NVALUE(0);
  if(c.t!=TY_CLASS || x.t!=TY_NUMBER || y.t!=TY_NUMBER) Throw("Type mismatch");
  i=obj_class_at(c.u,x.u,y.u);
  return OVALUE(i);
}

static inline Value v_send_message(Uint32 from,Value to,Value msg,Value arg1,Value arg2,Value arg3) {
  if(msg.t!=TY_MESSAGE) Throw("Type mismatch");
  return send_message(from,v_object(to),msg.u,arg1,arg2,arg3);
}

static inline Value v_send_self(Uint32 from,Value msg,Value arg1,Value arg2,Value arg3) {
  if(msg.t!=TY_MESSAGE) Throw("Type mismatch");
  return send_message(from,from,msg.u,arg1,arg2,arg3);
}

// Here is where the execution of a Free Hero Mesh bytecode subroutine is executed.
#define NoIgnore() do{ changed=1; }while(0)
#define GetVariableOf(a,b) (i=v_object(Pop()),i==VOIDLINK?NVALUE(0):b(objects[i]->a))
#define Numeric(a) do{ if((a).t!=TY_NUMBER) Throw("Type mismatch"); }while(0)
#define DivideBy(a) do { if(!(a).u) Throw("Division by zero"); }while(0)
static void execute_program(Uint16*code,int ptr,Uint32 obj) {
  Uint32 i;
  Object*o=objects[obj];
  Value t1,t2;
  static Value t3,t4,t5;
  if(StackProtection()) Throw("Call stack overflow");
  // Note about bit shifting: At least when running Hero Mesh in DOSBOX, out of range bit shifts produce zero.
  // I don't know if this is true on all computers that Hero Mesh runs on, though. (Some documents suggest that x86 doesn't work this way)
  // The below code assumes that signed right shifting is available.
  for(;;) switch(code[ptr++]) {
    case 0x0000 ... 0x00FF: StackReq(0,1); Push(NVALUE(code[ptr-1])); break;
    case 0x0100 ... 0x01FF: StackReq(0,1); Push(NVALUE(code[ptr-1]-0x200)); break;
    case 0x0200 ... 0x02FF: StackReq(0,1); Push(MVALUE(code[ptr-1]&255)); break;
    case 0x0300 ... 0x03FF: StackReq(0,1); Push(UVALUE(code[ptr-1]&255,TY_SOUND)); break;
    case 0x0400 ... 0x04FF: StackReq(0,1); Push(UVALUE(code[ptr-1]&255,TY_USOUND)); break;
    case 0x1000 ... 0x107F: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u+=code[ptr-1]&0x7F; Push(t1); break; // +
    case 0x1080 ... 0x10FF: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u-=code[ptr-1]&0x7F; Push(t1); break; // -
    case 0x1100 ... 0x117F: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u*=code[ptr-1]&0x7F; Push(t1); break; // *
    case 0x1180 ... 0x11FF: StackReq(1,1); t1=Pop(); Numeric(t1); DivideBy(t1); t1.u/=code[ptr-1]&0x7F; Push(t1); break; // /
    case 0x1200 ... 0x127F: StackReq(1,1); t1=Pop(); Numeric(t1); DivideBy(t1); t1.u%=code[ptr-1]&0x7F; Push(t1); break; // mod
    case 0x1280 ... 0x12FF: StackReq(1,1); t1=Pop(); Numeric(t1); t1.s*=code[ptr-1]&0x7F; Push(t1); break; // ,*
    case 0x1300 ... 0x137F: StackReq(1,1); t1=Pop(); Numeric(t1); DivideBy(t1); t1.s/=code[ptr-1]&0x7F; Push(t1); break; // ,/
    case 0x1380 ... 0x13FF: StackReq(1,1); t1=Pop(); Numeric(t1); DivideBy(t1); t1.s%=code[ptr-1]&0x7F; Push(t1); break; // ,mod
    case 0x1400 ... 0x147F: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u&=code[ptr-1]&0x7F; Push(t1); break; // band
    case 0x1480 ... 0x14FF: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u|=code[ptr-1]&0x7F; Push(t1); break; // bor
    case 0x1500 ... 0x157F: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u^=code[ptr-1]&0x7F; Push(t1); break; // bxor
    case 0x1580 ... 0x15FF: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u=code[ptr-1]&0x60?0:t1.u<<(code[ptr-1]&31); Push(t1); break; // lsh
    case 0x1600 ... 0x167F: StackReq(1,1); t1=Pop(); Numeric(t1); t1.u=code[ptr-1]&0x60?0:t1.u>>(code[ptr-1]&31); Push(t1); break; // rsh
    case 0x1680 ... 0x168F: StackReq(1,1); t1=Pop(); Numeric(t1); t1.s=code[ptr-1]&0x60?(t1.s<0?-1:0):t1.s>>(code[ptr-1]&31); Push(t1); break; // ,rsh
    case 0x1700 ... 0x177F: StackReq(1,1); t1=Pop(); Push(NVALUE(t1.t?0:t1.u==(code[ptr-1]&0x7F)?1:0)); break; // eq
    case 0x1780 ... 0x17FF: StackReq(1,1); t1=Pop(); Push(NVALUE(t1.t?1:t1.u==(code[ptr-1]&0x7F)?0:1)); break; // ne
    case 0x1800 ... 0x187F: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.u<(code[ptr-1]&0x7F)?1:0)); break; // lt
    case 0x1880 ... 0x18FF: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.u>(code[ptr-1]&0x7F)?1:0)); break; // gt
    case 0x1900 ... 0x197F: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.u<=(code[ptr-1]&0x7F)?1:0)); break; // le
    case 0x1980 ... 0x19FF: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.u>=(code[ptr-1]&0x7F)?1:0)); break; // ge
    case 0x1A00 ... 0x1A7F: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.s<(code[ptr-1]&0x7F)?1:0)); break; // ,lt
    case 0x1A80 ... 0x1AFF: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.s>(code[ptr-1]&0x7F)?1:0)); break; // ,gt
    case 0x1B00 ... 0x1B7F: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.s<=(code[ptr-1]&0x7F)?1:0)); break; // ,le
    case 0x1B80 ... 0x1BFF: StackReq(1,1); t1=Pop(); Numeric(t1); Push(NVALUE(t1.s>=(code[ptr-1]&0x7F)?1:0)); break; // ,ge
    case 0x1E00 ... 0x1EFF: StackReq(0,1); Push(NVALUE(code[ptr-1]&0xFF)); return; // ret
    case 0x2000 ... 0x27FF: StackReq(0,1); Push(o->uservars[code[ptr-1]&0x7FF]); break;
    case 0x2800 ... 0x28FF: StackReq(0,1); Push(globals[code[ptr-1]&0x7FF]); break;
    case 0x3000 ... 0x37FF: NoIgnore(); StackReq(1,0); o->uservars[code[ptr-1]&0x7FF]=Pop(); break;
    case 0x3800 ... 0x38FF: NoIgnore(); StackReq(1,0); Push(globals[code[ptr-1]&0x7FF]); break;
    case 0x3800 ... 0x38FF: NoIgnore(); StackReq(1,0); globals[code[ptr-1]&0x7FF]=Pop(); break;
    case 0x4000 ... 0x7FFF: StackReq(0,1); Push(CVALUE(code[ptr-1]-0x4000)); break;
    case 0x87E8 ... 0x87FF: StackReq(0,1); Push(NVALUE(1UL<<(code[ptr-1]&31))); break;
    case 0xC000 ... 0xFFFF: StackReq(0,1); Push(MVALUE((code[ptr-1]&0x3FFF)+256)); break;
    case OP_BROADCAST: StackReq(4,1); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_broadcast(obj,t1,t2,t3,t4,NVALUE(0),0)); break;
    case OP_BROADCAST_D: StackReq(4,0); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); v_broadcast(obj,t1,t2,t3,t4,NVALUE(0),0); break;
    case OP_BROADCASTCLASS: StackReq(3,1); t4=Pop(); t3=Pop(); t2=Pop(); Push(v_broadcast(obj,CVALUE(code[ptr++]),t2,t3,t4,NVALUE(0),0)); break;
    case OP_BROADCASTEX: StackReq(5,1); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_broadcast(obj,t1,t2,t3,t4,t5,0)); break;
    case OP_BROADCASTEX_D: StackReq(5,0); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); v_broadcast(obj,t1,t2,t3,t4,t5,0); break;
    case OP_BROADCASTSUM: StackReq(4,1); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_broadcast(obj,t1,t2,t3,t4,NVALUE(0),1)); break;
    case OP_BROADCASTSUMEX: StackReq(5,1); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_broadcast(obj,t1,t2,t3,t4,t5,1)); break;
    case OP_CALLSUB: execute_program(code,code[ptr++],obj); break;
    case OP_CLASS: StackReq(0,1); Push(CVALUE(o->class)); break;
    case OP_CLASS_C: StackReq(1,1); Push(GetVariableOf(class,CVALUE)); break;
    case OP_DIR: StackReq(0,1); Push(NVALUE(o->dir&7)); break;
    case OP_DISTANCE: StackReq(0,1); Push(NVALUE(o->distance)); break;
    case OP_DROP: StackReq(1,0); Pop(); break;
    case OP_DROP_D: StackReq(2,0); Pop(); Pop(); break;
    case OP_DUP: StackReq(1,2); t1=Pop(); Push(t1); Push(t1); break;
    case OP_EQ: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_equal(t1,t2)?1:0)); break;
    case OP_GE: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_unsigned_greater(t2,t1)?0:1)); break;
    case OP_GE_C: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_signed_greater(t2,t1)?0:1)); break;
    case OP_GOTO: ptr=code[ptr]; break;
    case OP_GT: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_unsigned_greater(t1,t2)?1:0)); break;
    case OP_GT_C: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_signed_greater(t1,t2)?1:0)); break;
    case OP_IF: StackReq(1,0); if(v_bool(Pop())) ptr=code[ptr]; else ptr++; break;
    case OP_IF: StackReq(1,0); if(v_bool(Pop())) ptr++; else ptr=code[ptr]; break;
    case OP_IMAGE: StackReq(0,1); Push(NVALUE(o->image)); break;
    case OP_INT16: StackReq(0,1); Push(NVALUE(code[ptr++])); break;
    case OP_INT32: StackReq(0,1); t1=UVALUE(code[ptr++]<<16,TY_NUMBER); t1.u|=code[ptr++]; Push(t1); break;
    case OP_KEY: StackReq(0,1); Push(NVALUE(current_key)); break;
    case OP_LAND: StackReq(2,1); t1=Pop(); t2=Pop(); if(v_bool(t1) && v_bool(t2)) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_LE: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_unsigned_greater(t1,t2)?0:1)); break;
    case OP_LE_C: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_signed_greater(t1,t2)?0:1)); break;
    case OP_LNOT: StackReq(1,1); if(v_bool(Pop())) Push(NVALUE(0)); else Push(NVALUE(1)); break;
    case OP_LOC: StackReq(0,2); Push(NVALUE(o->x)); Push(NVALUE(o->y)); break;
    case OP_LOR: StackReq(2,1); t1=Pop(); t2=Pop(); if(v_bool(t1) || v_bool(t2)) Push(NVALUE(1)); else Push(NVALUE(0)); break;
    case OP_LOSELEVEL: gameover=-1; Throw(0); break;
    case OP_LT: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_unsigned_greater(t2,t1)?1:0)); break;
    case OP_LT_C: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_signed_greater(t2,t1)?1:0)); break;
    case OP_NE: StackReq(2,1); t2=Pop(); t1=Pop(); Push(NVALUE(v_equal(t1,t2)?0:1)); break;
    case OP_NIP: StackReq(2,1); t1=Pop(); Pop(); Push(t1); break;
    case OP_OBJCLASSAT: StackReq(3,1); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_obj_class_at(t1,t2,t3)); break;
    case OP_RET: return;
    case OP_SEND: StackReq(3,1); t4=Pop(); t3=Pop(); t2=Pop(); Push(v_send_self(obj,t2,t3,t4,NVALUE(0))); break;
    case OP_SEND_C: StackReq(4,1); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_send_message(obj,t1,t2,t3,t4,NVALUE(0))); break;
    case OP_SEND_D: StackReq(3,0); t4=Pop(); t3=Pop(); t2=Pop(); v_send_self(obj,t2,t3,t4,NVALUE(0)); break;
    case OP_SEND_CD: StackReq(4,0); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); v_send_message(obj,t1,t2,t3,t4,NVALUE(0)); break;
    case OP_SENDEX: StackReq(4,1); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); Push(v_send_self(obj,t2,t3,t4,t5)); break;
    case OP_SENDEX_C: StackReq(5,1); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); Push(v_send_message(obj,t1,t2,t3,t4,t5)); break;
    case OP_SENDEX_D: StackReq(4,0); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); v_send_self(obj,t2,t3,t4,t5); break;
    case OP_SENDEX_CD: StackReq(5,0); t5=Pop(); t4=Pop(); t3=Pop(); t2=Pop(); t1=Pop(); v_send_message(obj,t1,t2,t3,t4,t5); break;
    case OP_SOUND: StackReq(2,0); t2=Pop(); t1=Pop(); break; // Sound not implemented at this time
    case OP_SWAP: StackReq(2,2); t1=Pop(); t2=Pop(); Push(t1); Push(t2); break;
    case OP_TRACE: StackReq(3,0); trace_stack(obj); break;
    case OP_WINLEVEL: key_ignored=0; gameover=1; Throw(0); break;
    case OP_XLOC: StackReq(0,1); Push(NVALUE(o->x)); break;
    case OP_YLOC: StackReq(0,1); Push(NVALUE(o->y)); break;
    default: fprintf(stderr,"Unrecognized opcode 0x%04X at 0x%04X\n",code[ptr-1],ptr-1); Throw("Internal error: Unrecognized opcode");
    default: fprintf(stderr,"Unrecognized opcode 0x%04X at 0x%04X in $%s\n",code[ptr-1],ptr-1,classes[o->class]->name); Throw("Internal error: Unrecognized opcode");
  }
}

static void trace_message(Uint32 obj) {
  Object*o;
  const char*s;
  if(!traceprefix) {
︙
365
366
367
368
369
370
371

372
373
374
375
376
377

378
379
380
381
382
383
384
385
386
387
388
389
390
391
392

393
394
395
396
397

461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496








+






+















+






const char*execute_turn(int key) {
  Uint32 n;
  if(setjmp(my_env)) return my_error;
  changed=0;
  key_ignored=0;
  lastimage_processing=0;
  vstackptr=0;
  current_key=key;
  for(n=0;n<nobjects;n++) if(objects[n]) {
    objects[n]->distance=0;
    objects[n]->oflags&=~(OF_KEYCLEARED|OF_DONE);
  }
  
  if(key_ignored && changed) return "Invalid use of IgnoreKey";
  current_key=0;
  
  if(key_ignored && changed) return "Invalid use of IgnoreKey";
  if(generation_number<=TY_MAXTYPE) return "Too many generations of objects";
  return 0;
}

const char*init_level(void) {
  if(setjmp(my_env)) return my_error;
  if(main_options['t']) printf("[Level %d restarted]\n",level_id);
  gameover=0;
  changed=0;
  key_ignored=0;
  lastimage_processing=0;
  vstackptr=0;
  move_number=0;
  current_key=0;
  broadcast(VOIDLINK,0,MSG_INIT,NVALUE(0),NVALUE(0),NVALUE(0),0);
  broadcast(VOIDLINK,0,MSG_POSTINIT,NVALUE(0),NVALUE(0),NVALUE(0),0);
  if(generation_number<=TY_MAXTYPE) return "Too many generations of objects";
  return 0;
}

Modified heromesh.h from [585a056cca] to [73d4c98f79].

︙
26
27
28
29
30
31
32
33

34
35
36
37
38
39
40

26
27
28
29
30
31
32

33
34
35
36
37
38
39
40








-
+








} Value;
#define UVALUE(x,y) ((Value){.u=x,.t=y})
#define SVALUE(x,y) ((Value){.s=x,.t=y})
#define NVALUE(x) SVALUE(x,TY_NUMBER)
#define CVALUE(x) UVALUE(x,TY_CLASS)
#define MVALUE(x) UVALUE(x,TY_MESSAGE)
#define ZVALUE(x) UVALUE(x,TY_STRING)
#define OVALUE(x) UVALUE(x,objects[x]->generation)
#define OVALUE(x) ((x)==VOIDLINK?NVALUE(0):UVALUE(x,objects[x]->generation))
#define ValueTo64(v) (((sqlite3_int64)((v).u))|(((sqlite3_int64)((v).t))<<32))

#define N_MESSAGES 24
extern const char*const standard_message_names[];
extern const char*const standard_sound_names[];
extern const char*const heromesh_key_names[256];
︙
193
194
195
196
197
198
199

200
201
202
203
204
205
206

193
194
195
196
197
198
199
200
201
202
203
204
205
206
207








+








extern Uint32 firstobj,lastobj;
extern Uint32 playfield[64*64];
extern Uint8 pfwidth,pfheight;
extern Sint8 gameover,key_ignored;
extern Uint8 generation_number_inc;
extern Uint32 move_number;

const char*value_string_ptr(Value v);
void pfunlink(Uint32 n);
void pflink(Uint32 n);
Uint32 objalloc(Uint16 c);
void objtrash(Uint32 n);
void annihilate(void);
const char*execute_turn(int key);
const char*init_level(void);
︙

This page was generated in about 0.03s by Fossil version [8be0372c10] 2024-04-23 13:25:26