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-rw-r--r--src/newgrf.cpp247
1 files changed, 142 insertions, 105 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 75bea79a1..c74ef7a24 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -2917,17 +2917,18 @@ static bool IsValidGroupID(uint16 groupid, const char *function)
}
-static void VehicleMapSpriteGroup(byte *buf, byte feature, uint8 idcount, uint8 cidcount, bool wagover)
+static void VehicleMapSpriteGroup(byte *buf, byte feature, uint8 idcount)
{
static EngineID *last_engines;
static uint last_engines_count;
+ bool wagover = false;
+
+ /* Test for 'wagon override' flag */
+ if (HasBit(idcount, 7)) {
+ wagover = true;
+ /* Strip off the flag */
+ idcount = GB(idcount, 0, 7);
- if (!wagover) {
- if (last_engines_count != idcount) {
- last_engines = ReallocT(last_engines, idcount);
- last_engines_count = idcount;
- }
- } else {
if (last_engines_count == 0) {
grfmsg(0, "VehicleMapSpriteGroup: WagonOverride: No engine to do override with");
return;
@@ -2935,64 +2936,76 @@ static void VehicleMapSpriteGroup(byte *buf, byte feature, uint8 idcount, uint8
grfmsg(6, "VehicleMapSpriteGroup: WagonOverride: %u engines, %u wagons",
last_engines_count, idcount);
+ } else {
+ if (last_engines_count != idcount) {
+ last_engines = ReallocT(last_engines, idcount);
+ last_engines_count = idcount;
+ }
}
+ EngineID engines[idcount];
for (uint i = 0; i < idcount; i++) {
- uint8 engine_id = buf[3 + i];
- EngineID engine = GetNewEngine(_cur_grffile, (VehicleType)feature, engine_id)->index;
- byte *bp = &buf[4 + idcount];
+ engines[i] = GetNewEngine(_cur_grffile, (VehicleType)feature, grf_load_byte(&buf))->index;
+ if (!wagover) last_engines[i] = engines[i];
+ }
- grfmsg(7, "VehicleMapSpriteGroup: [%d] Engine %d...", i, engine);
+ uint8 cidcount = grf_load_byte(&buf);
+ for (uint c = 0; c < cidcount; c++) {
+ uint8 ctype = grf_load_byte(&buf);
+ uint16 groupid = grf_load_word(&buf);
+ if (!IsValidGroupID(groupid, "VehicleMapSpriteGroup")) continue;
- for (uint c = 0; c < cidcount; c++) {
- uint8 ctype = grf_load_byte(&bp);
- uint16 groupid = grf_load_word(&bp);
- if (!IsValidGroupID(groupid, "VehicleMapSpriteGroup")) continue;
+ grfmsg(8, "VehicleMapSpriteGroup: * [%d] Cargo type 0x%X, group id 0x%02X", c, ctype, groupid);
- grfmsg(8, "VehicleMapSpriteGroup: * [%d] Cargo type 0x%X, group id 0x%02X", c, ctype, groupid);
+ ctype = TranslateCargo(feature, ctype);
+ if (ctype == CT_INVALID) continue;
- ctype = TranslateCargo(feature, ctype);
- if (ctype == CT_INVALID) continue;
+ for (uint i = 0; i < idcount; i++) {
+ EngineID engine = engines[i];
+
+ grfmsg(7, "VehicleMapSpriteGroup: [%d] Engine %d...", i, engine);
if (wagover) {
SetWagonOverrideSprites(engine, ctype, _cur_grffile->spritegroups[groupid], last_engines, last_engines_count);
} else {
SetCustomEngineSprites(engine, ctype, _cur_grffile->spritegroups[groupid]);
- last_engines[i] = engine;
}
}
}
- {
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
- if (!IsValidGroupID(groupid, "VehicleMapSpriteGroup")) return;
+ uint16 groupid = grf_load_word(&buf);
+ if (!IsValidGroupID(groupid, "VehicleMapSpriteGroup")) return;
- grfmsg(8, "-- Default group id 0x%04X", groupid);
+ grfmsg(8, "-- Default group id 0x%04X", groupid);
- for (uint i = 0; i < idcount; i++) {
- EngineID engine = GetNewEngine(_cur_grffile, (VehicleType)feature, buf[3 + i])->index;
+ for (uint i = 0; i < idcount; i++) {
+ EngineID engine = engines[i];
- if (wagover) {
- SetWagonOverrideSprites(engine, CT_DEFAULT, _cur_grffile->spritegroups[groupid], last_engines, last_engines_count);
- } else {
- SetCustomEngineSprites(engine, CT_DEFAULT, _cur_grffile->spritegroups[groupid]);
- SetEngineGRF(engine, _cur_grffile);
- last_engines[i] = engine;
- }
+ if (wagover) {
+ SetWagonOverrideSprites(engine, CT_DEFAULT, _cur_grffile->spritegroups[groupid], last_engines, last_engines_count);
+ } else {
+ SetCustomEngineSprites(engine, CT_DEFAULT, _cur_grffile->spritegroups[groupid]);
+ SetEngineGRF(engine, _cur_grffile);
}
}
}
-static void CanalMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+static void CanalMapSpriteGroup(byte *buf, uint8 idcount)
{
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
+ CanalFeature cfs[idcount];
+ for (uint i = 0; i < idcount; i++) {
+ cfs[i] = (CanalFeature)grf_load_byte(&buf);
+ }
+
+ uint8 cidcount = grf_load_byte(&buf);
+ buf += cidcount * 3;
+
+ uint16 groupid = grf_load_word(&buf);
if (!IsValidGroupID(groupid, "CanalMapSpriteGroup")) return;
for (uint i = 0; i < idcount; i++) {
- CanalFeature cf = (CanalFeature)buf[3 + i];
+ CanalFeature cf = cfs[i];
if (cf >= CF_END) {
grfmsg(1, "CanalMapSpriteGroup: Canal subset %d out of range, skipping", cf);
@@ -3004,62 +3017,69 @@ static void CanalMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
}
-static void StationMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+static void StationMapSpriteGroup(byte *buf, uint8 idcount)
{
+ uint8 stations[idcount];
for (uint i = 0; i < idcount; i++) {
- uint8 stid = buf[3 + i];
- StationSpec *statspec = _cur_grffile->stations[stid];
+ stations[i] = grf_load_byte(&buf);
+ }
- if (statspec == NULL) {
- grfmsg(1, "StationMapSpriteGroup: Station with ID 0x%02X does not exist, skipping", stid);
- return;
- }
+ uint8 cidcount = grf_load_byte(&buf);
+ for (uint c = 0; c < cidcount; c++) {
+ uint8 ctype = grf_load_byte(&buf);
+ uint16 groupid = grf_load_word(&buf);
+ if (!IsValidGroupID(groupid, "StationMapSpriteGroup")) continue;
- byte *bp = &buf[4 + idcount];
+ ctype = TranslateCargo(GSF_STATION, ctype);
+ if (ctype == CT_INVALID) continue;
- for (uint c = 0; c < cidcount; c++) {
- uint8 ctype = grf_load_byte(&bp);
- uint16 groupid = grf_load_word(&bp);
- if (!IsValidGroupID(groupid, "StationMapSpriteGroup")) continue;
+ for (uint i = 0; i < idcount; i++) {
+ StationSpec *statspec = _cur_grffile->stations[stations[i]];
- ctype = TranslateCargo(GSF_STATION, ctype);
- if (ctype == CT_INVALID) continue;
+ if (statspec == NULL) {
+ grfmsg(1, "StationMapSpriteGroup: Station with ID 0x%02X does not exist, skipping", stations[i]);
+ return;
+ }
statspec->spritegroup[ctype] = _cur_grffile->spritegroups[groupid];
}
}
- {
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
- if (!IsValidGroupID(groupid, "StationMapSpriteGroup")) return;
+ uint16 groupid = grf_load_word(&buf);
+ if (!IsValidGroupID(groupid, "StationMapSpriteGroup")) return;
- for (uint i = 0; i < idcount; i++) {
- uint8 stid = buf[3 + i];
- StationSpec *statspec = _cur_grffile->stations[stid];
- if (statspec == NULL) {
- grfmsg(1, "StationMapSpriteGroup: Station with ID 0x%02X does not exist, skipping", stid);
- continue;
- }
+ for (uint i = 0; i < idcount; i++) {
+ StationSpec *statspec = _cur_grffile->stations[stations[i]];
- statspec->spritegroup[CT_DEFAULT] = _cur_grffile->spritegroups[groupid];
- statspec->grffile = _cur_grffile;
- statspec->localidx = stid;
- SetCustomStationSpec(statspec);
+ if (statspec == NULL) {
+ grfmsg(1, "StationMapSpriteGroup: Station with ID 0x%02X does not exist, skipping", stations[i]);
+ continue;
}
+
+ statspec->spritegroup[CT_DEFAULT] = _cur_grffile->spritegroups[groupid];
+ statspec->grffile = _cur_grffile;
+ statspec->localidx = stations[i];
+ SetCustomStationSpec(statspec);
}
}
-static void TownHouseMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+static void TownHouseMapSpriteGroup(byte *buf, uint8 idcount)
{
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
+ uint8 houses[idcount];
+ for (uint i = 0; i < idcount; i++) {
+ houses[i] = grf_load_byte(&buf);
+ }
+
+ /* Skip the cargo type section, we only care about the default group */
+ uint8 cidcount = grf_load_byte(&buf);
+ buf += cidcount * 3;
+
+ uint16 groupid = grf_load_word(&buf);
if (!IsValidGroupID(groupid, "TownHouseMapSpriteGroup")) return;
for (uint i = 0; i < idcount; i++) {
- uint8 hid = buf[3 + i];
- HouseSpec *hs = _cur_grffile->housespec[hid];
+ HouseSpec *hs = _cur_grffile->housespec[houses[i]];
if (hs == NULL) {
grfmsg(1, "TownHouseMapSpriteGroup: Too many houses defined, skipping");
@@ -3070,15 +3090,22 @@ static void TownHouseMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
}
}
-static void IndustryMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+static void IndustryMapSpriteGroup(byte *buf, uint8 idcount)
{
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
+ uint8 industries[idcount];
+ for (uint i = 0; i < idcount; i++) {
+ industries[i] = grf_load_byte(&buf);
+ }
+
+ /* Skip the cargo type section, we only care about the default group */
+ uint8 cidcount = grf_load_byte(&buf);
+ buf += cidcount * 3;
+
+ uint16 groupid = grf_load_word(&buf);
if (!IsValidGroupID(groupid, "IndustryMapSpriteGroup")) return;
for (uint i = 0; i < idcount; i++) {
- uint8 id = buf[3 + i];
- IndustrySpec *indsp = _cur_grffile->industryspec[id];
+ IndustrySpec *indsp = _cur_grffile->industryspec[industries[i]];
if (indsp == NULL) {
grfmsg(1, "IndustryMapSpriteGroup: Too many industries defined, skipping");
@@ -3089,15 +3116,22 @@ static void IndustryMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
}
}
-static void IndustrytileMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+static void IndustrytileMapSpriteGroup(byte *buf, uint8 idcount)
{
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
+ uint8 indtiles[idcount];
+ for (uint i = 0; i < idcount; i++) {
+ indtiles[i] = grf_load_byte(&buf);
+ }
+
+ /* Skip the cargo type section, we only care about the default group */
+ uint8 cidcount = grf_load_byte(&buf);
+ buf += cidcount * 3;
+
+ uint16 groupid = grf_load_word(&buf);
if (!IsValidGroupID(groupid, "IndustrytileMapSpriteGroup")) return;
for (uint i = 0; i < idcount; i++) {
- uint8 id = buf[3 + i];
- IndustryTileSpec *indtsp = _cur_grffile->indtspec[id];
+ IndustryTileSpec *indtsp = _cur_grffile->indtspec[indtiles[i]];
if (indtsp == NULL) {
grfmsg(1, "IndustrytileMapSpriteGroup: Too many industry tiles defined, skipping");
@@ -3108,17 +3142,25 @@ static void IndustrytileMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
}
}
-static void CargoMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+static void CargoMapSpriteGroup(byte *buf, uint8 idcount)
{
- byte *bp = &buf[4 + idcount + cidcount * 3];
- uint16 groupid = grf_load_word(&bp);
+ CargoID cargos[idcount];
+ for (uint i = 0; i < idcount; i++) {
+ cargos[i] = grf_load_byte(&buf);
+ }
+
+ /* Skip the cargo type section, we only care about the default group */
+ uint8 cidcount = grf_load_byte(&buf);
+ buf += cidcount * 3;
+
+ uint16 groupid = grf_load_word(&buf);
if (!IsValidGroupID(groupid, "CargoMapSpriteGroup")) return;
for (uint i = 0; i < idcount; i++) {
- CargoID cid = buf[3 + i];
+ CargoID cid = cargos[i];
if (cid >= NUM_CARGO) {
- grfmsg(1, "CargoMapSpriteGroup: Cargo ID %d out of range, skipping");
+ grfmsg(1, "CargoMapSpriteGroup: Cargo ID %d out of range, skipping", cid);
continue;
}
@@ -3153,16 +3195,15 @@ static void FeatureMapSpriteGroup(byte *buf, size_t len)
if (!check_length(len, 6, "FeatureMapSpriteGroup")) return;
- uint8 feature = buf[1];
- uint8 idcount = buf[2] & 0x7F;
- bool wagover = (buf[2] & 0x80) == 0x80;
-
- if (!check_length(len, 3 + idcount, "FeatureMapSpriteGroup")) return;
+ buf++;
+ uint8 feature = grf_load_byte(&buf);
+ uint8 idcount = grf_load_byte(&buf);
/* If idcount is zero, this is a feature callback */
if (idcount == 0) {
- byte *bp = &buf[4];
- uint16 groupid = grf_load_word(&bp);
+ /* Skip number of cargo ids? */
+ grf_load_byte(&buf);
+ uint16 groupid = grf_load_word(&buf);
grfmsg(6, "FeatureMapSpriteGroup: Adding generic feature callback for feature %d", feature);
@@ -3170,42 +3211,38 @@ static void FeatureMapSpriteGroup(byte *buf, size_t len)
return;
}
- uint8 cidcount = buf[3 + idcount];
- if (!check_length(len, 4 + idcount + cidcount * 3, "FeatureMapSpriteGroup")) return;
-
- grfmsg(6, "FeatureMapSpriteGroup: Feature %d, %d ids, %d cids, wagon override %d",
- feature, idcount, cidcount, wagover);
+ grfmsg(6, "FeatureMapSpriteGroup: Feature %d, %d ids", feature, idcount);
switch (feature) {
case GSF_TRAIN:
case GSF_ROAD:
case GSF_SHIP:
case GSF_AIRCRAFT:
- VehicleMapSpriteGroup(buf, feature, idcount, cidcount, wagover);
+ VehicleMapSpriteGroup(buf, feature, idcount);
return;
case GSF_CANAL:
- CanalMapSpriteGroup(buf, idcount, cidcount);
+ CanalMapSpriteGroup(buf, idcount);
return;
case GSF_STATION:
- StationMapSpriteGroup(buf, idcount, cidcount);
+ StationMapSpriteGroup(buf, idcount);
return;
case GSF_TOWNHOUSE:
- TownHouseMapSpriteGroup(buf, idcount, cidcount);
+ TownHouseMapSpriteGroup(buf, idcount);
return;
case GSF_INDUSTRIES:
- IndustryMapSpriteGroup(buf, idcount, cidcount);
+ IndustryMapSpriteGroup(buf, idcount);
return;
case GSF_INDUSTRYTILES:
- IndustrytileMapSpriteGroup(buf, idcount, cidcount);
+ IndustrytileMapSpriteGroup(buf, idcount);
return;
case GSF_CARGOS:
- CargoMapSpriteGroup(buf, idcount, cidcount);
+ CargoMapSpriteGroup(buf, idcount);
return;
default:
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-13 09:55:28 +0000