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(svn r3014) -NewGRF, Codechange: Make all sprite group references be pointers instead of copying the data around.

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peter1138
2005-10-04 19:52:26 +00:00
parent c3a73d4047
commit 9fabe008a0
6 changed files with 53 additions and 40 deletions
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35
newgrf.c
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@@ -1210,11 +1210,11 @@ static void VehicleChangeInfo(byte *buf, int len)
* @param value The value that was used to represent this callback result
* @return A spritegroup representing that callback result
*/
SpriteGroup NewCallBackResult(uint16 value)
SpriteGroup *NewCallBackResultSpriteGroup(uint16 value)
{
SpriteGroup group;
SpriteGroup *group = calloc(1, sizeof(*group));
group.type = SGT_CALLBACK;
group->type = SGT_CALLBACK;
// Old style callback results have the highest byte 0xFF so signify it is a callback result
// New style ones only have the highest bit set (allows 15-bit results, instead of just 8)
@@ -1223,7 +1223,7 @@ SpriteGroup NewCallBackResult(uint16 value)
else
value &= ~0x8000;
group.g.callback.result = value;
group->g.callback.result = value;
return group;
}
@@ -1308,8 +1308,11 @@ static void NewSpriteGroup(byte *buf, int len)
numloading = buf[4];
if (setid >= _cur_grffile->spritegroups_count) {
_cur_grffile->spritegroups_count = setid + 1;
_cur_grffile->spritegroups = realloc(_cur_grffile->spritegroups, _cur_grffile->spritegroups_count * sizeof(*_cur_grffile->spritegroups));
// Allocate memory for new sprite group references.
_cur_grffile->spritegroups = realloc(_cur_grffile->spritegroups, (setid + 1) * sizeof(*_cur_grffile->spritegroups));
// Initialise new space to NULL
for (; _cur_grffile->spritegroups_count < (setid + 1); _cur_grffile->spritegroups_count++)
_cur_grffile->spritegroups[_cur_grffile->spritegroups_count] = NULL;
}
if (numloaded == 0x81 || numloaded == 0x82) {
@@ -1354,8 +1357,8 @@ static void NewSpriteGroup(byte *buf, int len)
dg->ranges = calloc(dg->num_ranges, sizeof(*dg->ranges));
for (i = 0; i < dg->num_ranges; i++) {
groupid = grf_load_word(&buf);
if (groupid & 0x8000) {
dg->ranges[i].group = NewCallBackResult(groupid);
if (HASBIT(groupid, 15)) {
dg->ranges[i].group = NewCallBackResultSpriteGroup(groupid);
} else if (groupid >= _cur_grffile->spritegroups_count) {
/* This doesn't exist for us. */
grf_load_word(&buf); // skip range
@@ -1364,7 +1367,7 @@ static void NewSpriteGroup(byte *buf, int len)
} else {
/* XXX: If multiple surreal sets attach a surreal
* set this way, we are in trouble. */
dg->ranges[i].group = *_cur_grffile->spritegroups[groupid];
dg->ranges[i].group = _cur_grffile->spritegroups[groupid];
}
dg->ranges[i].low = grf_load_byte(&buf);
@@ -1372,17 +1375,15 @@ static void NewSpriteGroup(byte *buf, int len)
}
groupid = grf_load_word(&buf);
if (groupid & 0x8000) {
dg->default_group = malloc(sizeof(*dg->default_group));
*dg->default_group = NewCallBackResult(groupid);
if (HASBIT(groupid, 15)) {
dg->default_group = NewCallBackResultSpriteGroup(groupid);
} else if (groupid >= _cur_grffile->spritegroups_count) {
/* This spritegroup stinks. */
free(dg->ranges), dg->ranges = NULL;
grfmsg(GMS_WARN, "NewSpriteGroup(%02x:0x%x): Default groupid %04x is cargo callback or unknown, ignoring spritegroup.", setid, numloaded, groupid);
return;
} else {
dg->default_group = malloc(sizeof(*dg->default_group));
memcpy(dg->default_group, _cur_grffile->spritegroups[groupid], sizeof(*dg->default_group));
dg->default_group = _cur_grffile->spritegroups[groupid];
}
_cur_grffile->spritegroups[setid] = group;
@@ -1428,7 +1429,7 @@ static void NewSpriteGroup(byte *buf, int len)
}
/* XXX: If multiple surreal sets attach a surreal
* set this way, we are in trouble. */
rg->groups[i] = *_cur_grffile->spritegroups[groupid];
rg->groups[i] = _cur_grffile->spritegroups[groupid];
}
_cur_grffile->spritegroups[setid] = group;
@@ -1556,7 +1557,7 @@ static void NewVehicle_SpriteGroupMapping(byte *buf, int len)
continue;
}
stat->spritegroup[1] = *_cur_grffile->spritegroups[groupid];
stat->spritegroup[1] = _cur_grffile->spritegroups[groupid];
}
}
@@ -1574,7 +1575,7 @@ static void NewVehicle_SpriteGroupMapping(byte *buf, int len)
uint8 stid = buf[3 + i];
StationSpec *stat = &_cur_grffile->stations[stid];
stat->spritegroup[0] = *_cur_grffile->spritegroups[groupid];
stat->spritegroup[0] = _cur_grffile->spritegroups[groupid];
stat->grfid = _cur_grffile->grfid;
SetCustomStation(stid, stat);
stat->sclass = STAT_CLASS_NONE;