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-rw-r--r--grfspecial.c123
1 files changed, 87 insertions, 36 deletions
diff --git a/grfspecial.c b/grfspecial.c
index d8b833c63..116ed1fe7 100644
--- a/grfspecial.c
+++ b/grfspecial.c
@@ -41,6 +41,13 @@ static uint32 _ttdpatch_flags[8];
typedef void (*SpecialSpriteHandler)(byte *buf, int len);
+static const int _vehcounts[4] = {
+ NUM_TRAIN_ENGINES,
+ NUM_ROAD_ENGINES,
+ NUM_SHIP_ENGINES,
+ NUM_AIRCRAFT_ENGINES
+};
+
static const int _vehshifts[4] = {
0,
ROAD_ENGINES_INDEX,
@@ -59,13 +66,16 @@ enum grfmsg_severity {
static void CDECL grfmsg(enum grfmsg_severity severity, const char *str, ...)
{
static const char * const severitystr[4] = { "Notice", "Warning", "Error", "Fatal" };
+ int export_severity = 0;
char buf[1024];
va_list va;
va_start(va, str);
vsprintf(buf, str, va);
va_end(va);
- DEBUG(grf, 2) ("[%s][%s] %s", _cur_grffile->filename, severitystr[severity], buf);
+
+ export_severity = 2 - (severity == GMS_FATAL ? 2 : severity);
+ DEBUG(grf, export_severity) ("[%s][%s] %s", _cur_grffile->filename, severitystr[severity], buf);
}
@@ -138,7 +148,7 @@ static void dewagonize(int condition, int engine)
EngineInfo *ei = &_engine_info[engine];
RailVehicleInfo *rvi = &_rail_vehicle_info[engine];
- if (condition) {
+ if (condition != 0) {
ei->unk2 &= ~0x80;
rvi->flags &= ~2;
} else {
@@ -226,7 +236,7 @@ static bool RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **buf
FOR_EACH_ENGINE {
uint8 dual = grf_load_byte(&buf);
- if (dual) {
+ if (dual != 0) {
rvi[i].flags |= 1;
} else {
rvi[i].flags &= ~1;
@@ -571,12 +581,12 @@ static void NewSpriteSet(byte *buf, int len)
/* TODO: No stations support. */
uint8 feature;
- check_length(len, 4, "SpriteNewSet");
+ check_length(len, 4, "NewSpriteSet");
feature = buf[1];
if (feature == 4) {
_spriteset_start = 0;
- grfmsg(GMS_WARN, "SpriteNewSet: Stations unsupported, skipping.");
+ grfmsg(GMS_WARN, "NewSpriteSet: Stations unsupported, skipping.");
return;
}
@@ -610,16 +620,18 @@ static void NewSpriteGroup(byte *buf, int len)
uint8 numloaded;
uint8 numloading;
struct SpriteGroup *group;
+ byte *loaded_ptr;
+ byte *loading_ptr;
int i;
- check_length(len, 5, "SpriteNewGroup");
+ check_length(len, 5, "NewSpriteGroup");
feature = buf[1];
setid = buf[2];
numloaded = buf[3];
numloading = buf[4];
if (feature == 4) {
- grfmsg(GMS_WARN, "SpriteNewGroup: Stations unsupported, skipping.");
+ grfmsg(GMS_WARN, "NewSpriteGroup: Stations unsupported, skipping.");
return;
}
@@ -638,7 +650,7 @@ static void NewSpriteGroup(byte *buf, int len)
//uint32 val;
uint16 def;
- grfmsg(GMS_WARN, "SpriteNewGroup(0x81): Unsupported variable %x. Using default cid.", var);
+ grfmsg(GMS_WARN, "NewSpriteGroup(0x81): Unsupported variable %x. Using default cid.", var);
//val = (0xff << shiftnum) & andmask;
@@ -653,20 +665,35 @@ static void NewSpriteGroup(byte *buf, int len)
return;
} else if (numloaded & 0x80) {
- grfmsg(GMS_WARN, "SpriteNewGroup(0x%x): Unsupported special group.", numloaded);
+ grfmsg(GMS_WARN, "NewSpriteGroup(0x%x): Unsupported special group.", numloaded);
return;
}
if (!_spriteset_start) {
- grfmsg(GMS_WARN, "SpriteNewGroup: No sprite set to work on! Skipping.");
+ grfmsg(GMS_ERROR, "NewSpriteGroup: No sprite set to work on! Skipping.");
return;
}
if (_spriteset_feature != feature) {
- grfmsg(GMS_WARN, "SpriteNewGroup: Group feature %x doesn't match set feature %x! Skipping.", feature, _spriteset_feature);
+ grfmsg(GMS_ERROR, "NewSpriteGroup: Group feature %x doesn't match set feature %x! Skipping.", feature, _spriteset_feature);
return;
}
+ check_length(bufend - buf, 5, "NewSpriteGroup");
+ buf += 5;
+ check_length(bufend - buf, 2 * numloaded, "NewSpriteGroup");
+ loaded_ptr = buf;
+ loading_ptr = buf + 2 * numloaded;
+
+ if (numloaded > 16) {
+ grfmsg(GMS_WARN, "NewSpriteGroup: More than 16 sprites in group %x, skipping the rest.", setid);
+ numloaded = 16;
+ }
+ if (numloading > 16) {
+ grfmsg(GMS_WARN, "NewSpriteGroup: More than 16 sprites in group %x, skipping the rest.", setid);
+ numloading = 16;
+ }
+
if (setid >= _spritesset_count) {
_spritesset_count = setid + 1;
_spritesset = realloc(_spritesset, _spritesset_count * sizeof(struct SpriteGroup));
@@ -674,28 +701,24 @@ static void NewSpriteGroup(byte *buf, int len)
group = &_spritesset[setid];
memset(group, 0, sizeof(struct SpriteGroup));
group->sprites_per_set = _spriteset_numents;
-
- buf += 5;
-
- for (i = 0; buf < bufend && i < numloaded; i++) {
- uint16 spriteset_id = grf_load_word(&buf);
-
- if (_spritesset[setid].loaded_count > 16) {
- grfmsg(GMS_WARN, "SpriteNewGroup: More than 16 sprites in group %x, skipping.", setid);
- return;
- }
- group->loaded[group->loaded_count++]
- = _spriteset_start + spriteset_id * _spriteset_numents;
+ group->loaded_count = numloaded;
+ group->loading_count = numloading;
+
+ DEBUG(grf, 7) ("NewSpriteGroup: New SpriteGroup 0x%02hhx, %u views, %u loaded, %u loading, sprites %u - %u",
+ setid, group->sprites_per_set, group->loaded_count, group->loading_count,
+ _spriteset_start - _cur_grffile->sprite_offset,
+ _spriteset_start + (_spriteset_numents * (numloaded + numloading)) - _cur_grffile->sprite_offset);
+
+ for (i = 0; i < numloaded; i++) {
+ uint16 spriteset_id = grf_load_word(&loaded_ptr);
+ group->loaded[i] = _spriteset_start + spriteset_id * _spriteset_numents;
+ DEBUG(grf, 8) ("NewSpriteGroup: + group->loaded[%i] = %u (subset %u)", i, group->loaded[i], spriteset_id);
}
- for (i = 0; buf < bufend && i < numloading; i++) {
- uint16 spriteset_id = grf_load_word(&buf);
-
- if (_spritesset[setid].loading_count > 16) {
- grfmsg(GMS_WARN, "SpriteNewGroup: More than 16 sprites in group %x, skipping.", setid);
- return;
- }
- group->loading[group->loading_count++] = _spriteset_start + spriteset_id * _spriteset_numents;
+ for (i = 0; i < numloading; i++) {
+ uint16 spriteset_id = grf_load_word(&loading_ptr);
+ group->loading[i] = _spriteset_start + spriteset_id * _spriteset_numents;
+ DEBUG(grf, 8) ("NewSpriteGroup: + group->loading[%i] = %u (subset %u)", i, group->loading[i], spriteset_id);
}
}
@@ -731,13 +754,23 @@ static void NewVehicle_SpriteGroupMapping(byte *buf, int len)
feature = buf[1];
idcount = buf[2] & 0x7F;
wagover = buf[2] & 0x80;
+ check_length(len, 3 + idcount, "VehicleMapSpriteGroup");
cidcount = buf[3 + idcount];
+ check_length(len, 4 + idcount + cidcount * 3, "VehicleMapSpriteGroup");
if (feature == 4) {
grfmsg(GMS_WARN, "VehicleMapSpriteGroup: Stations unsupported, skipping.");
return;
}
+ /* If ``n-id'' (or ``idcount'') is zero, this is a ``feature
+ * callback''. I have no idea how this works, so we will ignore it for
+ * now. --octo */
+ if (idcount == 0) {
+ grfmsg(GMS_NOTICE, "NewMapping: Feature callbacks not implemented yet.");
+ return;
+ }
+
// FIXME: Tropicset contains things like:
// 03 00 01 19 01 00 00 00 00 - this is missing one 00 at the end,
// what should we exactly do with that? --pasky
@@ -752,10 +785,28 @@ static void NewVehicle_SpriteGroupMapping(byte *buf, int len)
last_engines_count = idcount;
}
+ if (wagover != 0) {
+ if (last_engines_count == 0) {
+ grfmsg(GMS_ERROR, "VehicleMapSpriteGroup: WagonOverride: No engine to do override with.");
+ return;
+ } else {
+ DEBUG(grf, 4) ("VehicleMapSpriteGroup: WagonOverride: %u engines, %u wagons.",
+ last_engines_count, idcount);
+ }
+ }
+
+
for (i = 0; i < idcount; i++) {
- uint8 engine = buf[3 + i] + _vehshifts[feature];
+ uint8 engine_id = buf[3 + i];
+ uint8 engine = engine_id + _vehshifts[feature];
byte *bp = &buf[4 + idcount];
+ if (engine_id > _vehcounts[feature]) {
+ grfmsg(GMS_ERROR, "Id %u for feature %x is out of bounds.",
+ engine_id, feature);
+ return;
+ }
+
for (c = 0; c < cidcount; c++) {
uint8 ctype = grf_load_byte(&bp);
uint16 groupid = grf_load_word(&bp);
@@ -768,7 +819,7 @@ static void NewVehicle_SpriteGroupMapping(byte *buf, int len)
if (ctype == 0xFF)
ctype = CID_PURCHASE;
- if (wagover) {
+ if (wagover != 0) {
// TODO: No multiple cargo types per vehicle yet. --pasky
SetWagonOverrideSprites(engine, &_spritesset[groupid], last_engines, last_engines_count);
} else {
@@ -791,7 +842,7 @@ static void NewVehicle_SpriteGroupMapping(byte *buf, int len)
return;
}
- if (wagover) {
+ if (wagover != 0) {
// TODO: No multiple cargo types per vehicle yet. --pasky
SetWagonOverrideSprites(engine, &_spritesset[groupid], last_engines, last_engines_count);
} else {
@@ -980,7 +1031,7 @@ static void SkipIf(byte *buf, int len)
return;
}
- if (!result) {
+ if (result == 0) {
grfmsg(GMS_NOTICE, "Not skipping sprites, test was false.");
return;
}
@@ -1326,7 +1377,7 @@ void DecodeSpecialSprite(const char *filename, int num, int spriteid, int stage)
if (buf == NULL) error("DecodeSpecialSprite: Could not allocate memory");
- if (!initialized) {
+ if (initialized == 0) {
InitializeGRFSpecial();
initialized = 1;
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-11 18:57:26 +0000