diff --git a/projects/openttd.vcproj b/projects/openttd.vcproj
--- a/projects/openttd.vcproj
+++ b/projects/openttd.vcproj
@@ -926,6 +926,9 @@
RelativePath=".\..\src\newgrf.cpp">
+
+
+
+
diff --git a/source.list b/source.list
--- a/source.list
+++ b/source.list
@@ -279,6 +279,7 @@ ai/trolly/trolly.cpp
# NewGRF
newgrf.cpp
+newgrf_cargo.cpp
newgrf_config.cpp
newgrf_engine.cpp
newgrf_house.cpp
diff --git a/src/cargotype.h b/src/cargotype.h
--- a/src/cargotype.h
+++ b/src/cargotype.h
@@ -42,6 +42,7 @@ struct CargoSpec {
SpriteID sprite;
uint16 classes;
+ const struct SpriteGroup *group;
bool IsValid() const;
};
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -2217,6 +2217,7 @@ static void NewSpriteGroup(byte *buf, in
case GSF_SHIP:
case GSF_AIRCRAFT:
case GSF_STATION:
+ case GSF_CARGOS:
{
byte sprites = _cur_grffile->spriteset_numents;
byte num_loaded = type;
@@ -2556,6 +2557,33 @@ static void TownHouseMapSpriteGroup(byte
}
}
+
+static void CargoMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+{
+ byte *bp = &buf[4 + idcount + cidcount * 3];
+ uint16 groupid = grf_load_word(&bp);
+
+ if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
+ grfmsg(1, "FeatureMapSpriteGroup: Spriteset 0x%04X out of range 0x%X or empty, skipping.",
+ groupid, _cur_grffile->spritegroups_count);
+ return;
+ }
+
+ for (uint i = 0; i < idcount; i++) {
+ CargoID cid = buf[3 + i];
+
+ if (cid >= NUM_CARGO) {
+ grfmsg(1, "FeatureMapSpriteGroup: Cargo ID %d out of range, skipping");
+ continue;
+ }
+
+ CargoSpec *cs = &_cargo[cid];
+ cs->grfid = _cur_grffile->grfid;
+ cs->group = _cur_grffile->spritegroups[groupid];
+ }
+}
+
+
/* Action 0x03 */
static void FeatureMapSpriteGroup(byte *buf, int len)
{
@@ -2614,6 +2642,10 @@ static void FeatureMapSpriteGroup(byte *
TownHouseMapSpriteGroup(buf, idcount, cidcount);
return;
+ case GSF_CARGOS:
+ CargoMapSpriteGroup(buf, idcount, cidcount);
+ return;
+
default:
grfmsg(1, "FeatureMapSpriteGroup: Unsupported feature %d, skipping", feature);
return;
diff --git a/src/newgrf_cargo.cpp b/src/newgrf_cargo.cpp
new file mode 100644
--- /dev/null
+++ b/src/newgrf_cargo.cpp
@@ -0,0 +1,93 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "cargotype.h"
+#include "newgrf.h"
+#include "newgrf_callbacks.h"
+#include "newgrf_spritegroup.h"
+#include "newgrf_cargo.h"
+
+
+static uint32 CargoGetRandomBits(const ResolverObject *object)
+{
+ return 0;
+}
+
+
+static uint32 CargoGetTriggers(const ResolverObject *object)
+{
+ return 0;
+}
+
+
+static void CargoSetTriggers(const ResolverObject *object, int triggers)
+{
+ return;
+}
+
+
+static uint32 CargoGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
+{
+ *available = false;
+ return 0;
+}
+
+
+static const SpriteGroup *CargoResolveReal(const ResolverObject *object, const SpriteGroup *group)
+{
+ /* Cargo action 2s should always have only 1 "loaded" state */
+ if (group->g.real.num_loaded == 0) return NULL;
+
+ return group->g.real.loaded[0];
+}
+
+
+static void NewCargoResolver(ResolverObject *res, const CargoSpec *cs)
+{
+ res->GetRandomBits = &CargoGetRandomBits;
+ res->GetTriggers = &CargoGetTriggers;
+ res->SetTriggers = &CargoSetTriggers;
+ res->GetVariable = &CargoGetVariable;
+ res->ResolveReal = &CargoResolveReal;
+
+ res->u.cargo.cs = cs;
+
+ res->callback = 0;
+ res->callback_param1 = 0;
+ res->callback_param2 = 0;
+ res->last_value = 0;
+ res->trigger = 0;
+ res->reseed = 0;
+}
+
+
+SpriteID GetCustomCargoSprite(const CargoSpec *cs)
+{
+ const SpriteGroup *group;
+ ResolverObject object;
+
+ NewCargoResolver(&object, cs);
+
+ group = Resolve(cs->group, &object);
+ if (group == NULL || group->type != SGT_RESULT) return 0;
+
+ return group->g.result.sprite;
+}
+
+
+uint16 GetCargoCallback(uint16 callback, uint32 param1, uint32 param2, const CargoSpec *cs)
+{
+ ResolverObject object;
+ const SpriteGroup *group;
+
+ NewCargoResolver(&object, cs);
+ object.callback = callback;
+ object.callback_param1 = param1;
+ object.callback_param2 = param2;
+
+ group = Resolve(cs->group, &object);
+ if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
+
+ return group->g.callback.result;
+}
diff --git a/src/newgrf_cargo.h b/src/newgrf_cargo.h
--- a/src/newgrf_cargo.h
+++ b/src/newgrf_cargo.h
@@ -21,4 +21,9 @@ static const CargoID CT_DEFAULT = N
static const CargoID CT_PURCHASE = NUM_CARGO + 1;
static const CargoID CT_DEFAULT_NA = NUM_CARGO + 2;
+typedef struct CargoSpec;
+
+SpriteID GetCustomCargoSprite(const CargoSpec *cs);
+uint16 GetCargoCallback(uint16 callback, uint32 param1, uint32 param2, const CargoSpec *cs);
+
#endif /* NEWGRF_CARGO_H */
diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h
--- a/src/newgrf_spritegroup.h
+++ b/src/newgrf_spritegroup.h
@@ -191,6 +191,9 @@ struct ResolverObject {
Town *town;
HouseID house_id;
} house;
+ struct {
+ const struct CargoSpec *cs;
+ } cargo;
} u;
uint32 (*GetRandomBits)(const struct ResolverObject*);
diff --git a/src/station_gui.cpp b/src/station_gui.cpp
--- a/src/station_gui.cpp
+++ b/src/station_gui.cpp
@@ -674,7 +674,16 @@ static void DrawCargoIcons(CargoID i, ui
if (num == 0) return;
const CargoSpec *cs = GetCargo(i);
- SpriteID sprite = cs->sprite;
+ SpriteID sprite;
+
+ if (cs->sprite == 0xFFFF) {
+ /* A value of 0xFFFF indicates we should draw a custom icon */
+ sprite = GetCustomCargoSprite(cs);
+ } else {
+ sprite = cs->sprite;
+ }
+
+ if (sprite == 0) return;
do {
DrawSprite(sprite, PAL_NONE, x, y);
diff --git a/src/table/cargo_const.h b/src/table/cargo_const.h
--- a/src/table/cargo_const.h
+++ b/src/table/cargo_const.h
@@ -3,7 +3,7 @@
/* Table of all default cargo types */
#define MK(bt, label, c, e, f, g, h, fr, te, ks1, ks2, ks3, ks4, ks5, l, m) \
- {bt, label, 0, c, c, e, f, {g, h}, fr, te, 0, 0, ks1, ks2, ks3, ks4, ks5, l, m}
+ {bt, label, 0, c, c, e, f, {g, h}, fr, te, 0, 0, ks1, ks2, ks3, ks4, ks5, l, m, NULL}
static const CargoSpec _default_cargo[] = {
MK( 0, 'PASS', 152, 1, 3185, 0, 24, false, TE_PASSENGERS,
STR_000F_PASSENGERS, STR_002F_PASSENGER, STR_PASSENGERS, STR_QUANTITY_PASSENGERS, STR_ABBREV_PASSENGERS,