summaryrefslogtreecommitdiff
path: root/grfspecial.c
diff options
context:
space:
mode:
Diffstat (limited to 'grfspecial.c')
-rw-r--r--grfspecial.c324
1 files changed, 131 insertions, 193 deletions
diff --git a/grfspecial.c b/grfspecial.c
index 15b60113a..23be73481 100644
--- a/grfspecial.c
+++ b/grfspecial.c
@@ -87,9 +87,9 @@ static uint16 grf_load_dword(byte **buf)
}
-typedef int (*VCI_Handler)(uint engine, int numinfo, int prop, byte **buf, int len);
+typedef bool (*VCI_Handler)(uint engine, int numinfo, int prop, byte **buf, int len);
-#define foreach_engine for (i = 0; i < numinfo; i++)
+#define FOR_EACH_ENGINE for (i = 0; i < numinfo; i++)
static void dewagonize(int condition, int engine)
{
@@ -105,98 +105,83 @@ static void dewagonize(int condition, int engine)
}
}
-static int RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len)
+static bool RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len)
{
EngineInfo *ei = &_engine_info[engine];
RailVehicleInfo *rvi = &_rail_vehicle_info[engine];
byte *buf = *bufp;
int i;
- int ret = 0;
+ bool ret = false;
switch (prop) {
- case 0x05:
- { /* Track type */
- foreach_engine {
+ case 0x05: { /* Track type */
+ FOR_EACH_ENGINE {
uint8 tracktype = grf_load_byte(&buf);
ei[i].railtype_climates &= 0xf;
ei[i].railtype_climates |= tracktype << 4;
}
- break;
- }
- case 0x08:
- { /* AI passenger service */
+ } break;
+ case 0x08: { /* AI passenger service */
/* TODO */
- foreach_engine {
+ FOR_EACH_ENGINE {
grf_load_byte(&buf);
}
- ret = 1;
- break;
- }
- case 0x09:
- { /* Speed */
- foreach_engine {
+ ret = true;
+ } break;
+ case 0x09: { /* Speed */
+ FOR_EACH_ENGINE {
uint16 speed = grf_load_word(&buf);
rvi[i].max_speed = speed;
dewagonize(speed, engine + i);
}
- break;
- }
- case 0x0b:
- { /* Power */
- foreach_engine {
+ } break;
+ case 0x0B: { /* Power */
+ FOR_EACH_ENGINE {
uint16 power = grf_load_word(&buf);
rvi[i].power = power;
dewagonize(power, engine + i);
}
- break;
- }
- case 0x0d:
- { /* Running cost factor */
- foreach_engine {
+ } break;
+ case 0x0D: { /* Running cost factor */
+ FOR_EACH_ENGINE {
uint8 runcostfact = grf_load_byte(&buf);
rvi[i].running_cost_base = runcostfact;
dewagonize(runcostfact, engine + i);
}
- break;
- }
- case 0x0e:
- { /* Running cost base */
- foreach_engine {
+ } break;
+ case 0x0E: { /* Running cost base */
+ FOR_EACH_ENGINE {
uint32 base = grf_load_dword(&buf);
switch (base) {
- case 0x4c30:
+ case 0x4C30:
rvi[i].engclass = 0;
break;
- case 0x4c36:
+ case 0x4C36:
rvi[i].engclass = 1;
break;
- case 0x4c3c:
+ case 0x4C3C:
rvi[i].engclass = 2;
break;
}
dewagonize(base, engine + i);
}
- break;
- }
- case 0x12:
- { /* Sprite ID */
- foreach_engine {
+ } break;
+ case 0x12: { /* Sprite ID */
+ FOR_EACH_ENGINE {
uint8 spriteid = grf_load_byte(&buf);
- if (spriteid == 0xfd && rvi[i].image_index != 0xfd)
+ if (spriteid == 0xFD && rvi[i].image_index != 0xFD)
_engine_original_sprites[engine + i] = rvi[i].image_index;
rvi[i].image_index = spriteid;
}
- break;
- }
- case 0x13:
- { /* Dual-headed */
- foreach_engine {
+ } break;
+ case 0x13: { /* Dual-headed */
+ FOR_EACH_ENGINE {
uint8 dual = grf_load_byte(&buf);
if (dual) {
@@ -205,58 +190,46 @@ static int RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp
rvi[i].flags &= ~1;
}
}
- break;
- }
- case 0x14:
- { /* Cargo capacity */
- foreach_engine {
+ } break;
+ case 0x14: { /* Cargo capacity */
+ FOR_EACH_ENGINE {
uint8 capacity = grf_load_byte(&buf);
rvi[i].capacity = capacity;
}
- break;
- }
- case 0x15:
- { /* Cargo type */
- foreach_engine {
+ } break;
+ case 0x15: { /* Cargo type */
+ FOR_EACH_ENGINE {
uint8 ctype = grf_load_byte(&buf);
rvi[i].cargo_type = ctype;
}
- break;
- }
- case 0x16:
- { /* Weight */
- foreach_engine {
+ } break;
+ case 0x16: { /* Weight */
+ FOR_EACH_ENGINE {
uint8 weight = grf_load_byte(&buf);
rvi[i].weight = weight;
}
- break;
- }
- case 0x17:
- { /* Cost factor */
- foreach_engine {
+ } break;
+ case 0x17: { /* Cost factor */
+ FOR_EACH_ENGINE {
uint8 cfactor = grf_load_byte(&buf);
rvi[i].base_cost = cfactor;
}
- break;
- }
- case 0x18:
- { /* AI rank */
+ } break;
+ case 0x18: { /* AI rank */
/* TODO: _railveh_score should be merged to _rail_vehicle_info. */
- foreach_engine {
+ FOR_EACH_ENGINE {
grf_load_byte(&buf);
}
- ret = 1;
- break;
- }
- case 0x19:
- { /* Engine traction type */
+ ret = true;
+ } break;
+ case 0x19: { /* Engine traction type */
/* TODO: What do the individual numbers mean?
* XXX: And in what base are they, in fact? --pasky */
- foreach_engine {
+ FOR_EACH_ENGINE {
uint8 traction = grf_load_byte(&buf);
int engclass;
@@ -271,100 +244,87 @@ static int RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp
rvi[i].engclass = engclass;
}
- break;
- }
+ } break;
+
/* TODO */
/* Fall-through for unimplemented four bytes long properties. */
- case 0x1d: /* Refit cargo */
- foreach_engine {
+ case 0x1D: /* Refit cargo */
+ FOR_EACH_ENGINE {
grf_load_word(&buf);
}
/* Fall-through for unimplemented two bytes long properties. */
- case 0x1b: /* Powered wagons power bonus */
- foreach_engine {
+ case 0x1B: /* Powered wagons power bonus */
+ FOR_EACH_ENGINE {
grf_load_byte(&buf);
}
/* Fall-through for unimplemented one byte long properties. */
- case 0x1a: /* Sort order */
- case 0x1c: /* Refit cost */
- case 0x1e: /* Callback */
- case 0x1f: /* Tractive effort */
+ case 0x1A: /* Sort order */
+ case 0x1C: /* Refit cost */
+ case 0x1E: /* Callback */
+ case 0x1F: /* Tractive effort */
case 0x21: /* Shorter tenders */
case 0x22: /* Visual */
- case 0x23: /* Powered wagons weight bonus */
+ case 0x23: {/* Powered wagons weight bonus */
/* TODO */
- foreach_engine {
+ FOR_EACH_ENGINE {
grf_load_byte(&buf);
}
- ret = 1;
- break;
+ ret = true;
+ } break;
default:
- ret = 1;
- break;
+ ret = true;
}
*bufp = buf;
return ret;
}
-static int ShipVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len)
+static bool ShipVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len)
{
ShipVehicleInfo *svi = &_ship_vehicle_info[engine];
byte *buf = *bufp;
int i;
- int ret = 0;
+ bool ret = false;
//printf("e %x prop %x?\n", engine, prop);
switch (prop) {
- case 0x08:
- { /* Sprite ID */
- foreach_engine {
+ case 0x08: { /* Sprite ID */
+ FOR_EACH_ENGINE {
uint8 spriteid = grf_load_byte(&buf);
- if (spriteid == 0xff)
- spriteid = 0xfd; // ships have different custom id in the GRF file
+ if (spriteid == 0xFF)
+ spriteid = 0xFD; // ships have different custom id in the GRF file
// This is currently not used but there's no reason
// in not having it here for the future.
- if (spriteid == 0xfd
- && svi[i].image_index != 0xfd)
- _engine_original_sprites[SHIP_ENGINES_INDEX
- + engine + i]
- = svi[i].image_index;
+ if (spriteid == 0xFD && svi[i].image_index != 0xFD)
+ _engine_original_sprites[SHIP_ENGINES_INDEX + engine + i] = svi[i].image_index;
+
svi[i].image_index = spriteid;
}
- break;
- }
- case 0x09:
- { /* Refittable */
- foreach_engine {
+ } break;
+ case 0x09: { /* Refittable */
+ FOR_EACH_ENGINE {
uint8 refittable = grf_load_byte(&buf);
svi[i].refittable = refittable;
}
- break;
- }
- case 0x0a:
- { /* Cost factor */
- foreach_engine {
+ } break;
+ case 0x0A: { /* Cost factor */
+ FOR_EACH_ENGINE {
uint8 cost_factor = grf_load_byte(&buf);
svi[i].base_cost = cost_factor; // ?? is it base_cost?
}
- break;
- }
- case 0x0b:
- { /* Speed */
- foreach_engine {
+ } break;
+ case 0x0B: { /* Speed */
+ FOR_EACH_ENGINE {
uint8 speed = grf_load_byte(&buf);
svi[i].max_speed = speed; // ?? units
}
- break;
- }
- case 0x0c:
- { /* Cargo type */
-
- foreach_engine {
+ } break;
+ case 0x0C: { /* Cargo type */
+ FOR_EACH_ENGINE {
uint8 cargo = grf_load_byte(&buf);
// XXX: Need to consult this with patchman yet.
@@ -376,53 +336,40 @@ static int ShipVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp
#endif
svi[i].cargo_type = cargo;
}
- break;
- }
- case 0x0d:
- { /* Cargo capacity */
- foreach_engine {
+ } break;
+ case 0x0D: { /* Cargo capacity */
+ FOR_EACH_ENGINE {
uint16 capacity = grf_load_word(&buf);
svi[i].capacity = capacity;
}
- break;
- }
- case 0x0f:
- { /* Running cost factor */
- foreach_engine {
+ } break;
+ case 0x0F: { /* Running cost factor */
+ FOR_EACH_ENGINE {
uint8 runcost = grf_load_byte(&buf);
svi[i].running_cost = runcost;
}
- break;
- }
- case 0x10:
- { /* SFX */
- foreach_engine {
+ } break;
+ case 0x10: { /* SFX */
+ FOR_EACH_ENGINE {
uint8 sfx = grf_load_byte(&buf);
svi[i].sfx = sfx;
}
- break;
- }
- case 0x11:
- { /* Cargos available for refitting */
- foreach_engine {
+ } break;
+ case 0x11: { /* Cargos available for refitting */
+ FOR_EACH_ENGINE {
uint32 refit_mask = grf_load_dword(&buf);
_engine_refit_masks[SHIP_ENGINES_INDEX + engine + i] = refit_mask;
}
- break;
- }
- case 0x12:
- { /* Callback */
- /* TODO */
- ret = 1;
- break;
- }
+ } break;
+ case 0x12: { /* Callback TODO */
+ ret = true;
+ } break;
default:
- ret = 1;
- break;
+ ret = true;
}
*bufp = buf;
@@ -457,6 +404,7 @@ static void VehicleChangeInfo(byte *buf, int len)
NULL,
NULL,
};
+
uint8 feature;
uint8 numprops;
uint8 numinfo;
@@ -482,67 +430,56 @@ static void VehicleChangeInfo(byte *buf, int len)
uint8 prop = grf_load_byte(&buf);
switch (prop) {
- case 0x00: {
- /* Introduction date */
- foreach_engine {
+ case 0x00: { /* Introduction date */
+ FOR_EACH_ENGINE {
uint16 date = grf_load_word(&buf);
ei[i].base_intro = date;
}
- break;
- }
- case 0x02: {
- /* Decay speed */
- foreach_engine {
+ } break;
+ case 0x02: { /* Decay speed */
+ FOR_EACH_ENGINE {
uint8 decay = grf_load_byte(&buf);
ei[i].unk2 &= 0x80;
ei[i].unk2 |= decay & 0x7f;
}
- break;
- }
- case 0x03: {
- /* Vehicle life */
- foreach_engine {
+ } break;
+ case 0x03: { /* Vehicle life */
+ FOR_EACH_ENGINE {
uint8 life = grf_load_byte(&buf);
ei[i].lifelength = life;
}
- break;
- }
- case 0x04: {
- /* Model life */
- foreach_engine {
+ } break;
+ case 0x04: { /* Model life */
+ FOR_EACH_ENGINE {
uint8 life = grf_load_byte(&buf);
ei[i].base_life = life;
}
- break;
- }
- case 0x06: {
- /* Climates available */
- foreach_engine {
+ } break;
+ case 0x06: { /* Climates available */
+ FOR_EACH_ENGINE {
uint8 climates = grf_load_byte(&buf);
ei[i].railtype_climates &= 0xf0;
ei[i].railtype_climates |= climates;
}
- break;
- }
- case 0x07: { /* TODO */
- /* Loading speed */
+ } break;
+ case 0x07: { /* Loading spee */
+ /* TODO */
/* Hyronymus explained me what does
* this mean and insists on having a
* credit ;-). --pasky */
/* TODO: This needs to be supported by
* LoadUnloadVehicle() first. */
- foreach_engine {
+ FOR_EACH_ENGINE {
grf_load_byte(&buf);
}
goto ignoring;
}
- default:
- {
+ default: {
if (handler[feature](engine, numinfo, prop, &buf, bufend - buf)) {
ignoring:
grfmsg(GMS_NOTICE, "VehicleChangeInfo: Ignoring property %x (not implemented).", prop);
@@ -750,7 +687,7 @@ static void VehicleMapSpriteSuperset(byte *buf, int len)
check_length(len, 7, "VehicleMapSpriteSuperset");
feature = buf[1];
- idcount = buf[2] & 0x7f;
+ idcount = buf[2] & 0x7F;
wagover = buf[2] & 0x80;
cidcount = buf[3 + idcount];
@@ -786,7 +723,7 @@ static void VehicleMapSpriteSuperset(byte *buf, int len)
return;
}
- if (ctype == 0xff)
+ if (ctype == 0xFF)
ctype = CID_PURCHASE;
if (wagover) {
@@ -926,7 +863,8 @@ static void SkipIf(byte *buf, int len)
uint8 paramsize;
uint8 condtype;
uint8 numsprites;
- int param_val = 0, cond_val = 0, result;
+ int param_val = 0, cond_val = 0;
+ bool result;
check_length(len, 6, "SkipIf");
param = buf[1];
@@ -982,7 +920,7 @@ static void SkipIf(byte *buf, int len)
return;
}
- if (result == 0) {
+ if (!result) {
grfmsg(GMS_NOTICE, "Not skipping sprites, test was false.");
return;
}
@@ -1065,7 +1003,7 @@ static void GRFError(byte *buf, int len)
severity = buf[1];
msgid = buf[3];
- if (msgid == 0xff) {
+ if (msgid == 0xFF) {
grfmsg(severity, "%s", buf+4);
} else {
grfmsg(severity, msgstr[msgid], buf+4);
@@ -1124,7 +1062,7 @@ static void GRFInhibit(byte *buf, int len)
void DecodeSpecialSprite(const char *filename, int num, int spriteid)
{
-#define NUM_ACTIONS 0xf
+#define NUM_ACTIONS 0xF
static const SpecialSpriteHandler handlers[NUM_ACTIONS] = {
/* 0x0 */ VehicleChangeInfo,
/* 0x1 */ SpriteNewSet,
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-30 04:54:15 +0000