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(svn r14198) -Codechange: [NewGRF] Simplify handling of common vehicle properties.

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This commit is contained in:
peter1138 2008-08-31 09:52:47 +00:00
parent c3a9653c89
commit 46e23b8f99
1 changed files with 45 additions and 64 deletions
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107
src/newgrf.cpp
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@ -439,6 +439,44 @@ static void MapSpriteMappingRecolour(PalSpriteID *grf_sprite)
typedef bool (*VCI_Handler)(uint engine, int numinfo, int prop, byte **buf, int len);
static bool CommonVehicleChangeInfo(EngineInfo *ei, int prop, byte **buf)
{
switch (prop) {
case 0x00: // Introduction date
ei->base_intro = grf_load_word(buf) + DAYS_TILL_ORIGINAL_BASE_YEAR;
break;
case 0x02: // Decay speed
ei->decay_speed = grf_load_byte(buf);
break;
case 0x03: // Vehicle life
ei->lifelength = grf_load_byte(buf);
break;
case 0x04: // Model life
ei->base_life = grf_load_byte(buf);
break;
case 0x06: // Climates available
ei->climates = grf_load_byte(buf);
/* Sometimes a GRF wants hidden vehicles. Setting climates to
* zero may cause the ID to be reallocated. */
if (ei->climates == 0) ei->climates = 0x80;
break;
case 0x07: // Loading speed
/* Amount of cargo loaded during a vehicle's "loading tick" */
ei->load_amount = grf_load_byte(buf);
break;
default:
return false;
}
return true;
}
static bool RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **bufp, int len)
{
byte *buf = *bufp;
@ -669,7 +707,7 @@ static bool RailVehicleChangeInfo(uint engine, int numinfo, int prop, byte **buf
break;
default:
ret = true;
ret = !CommonVehicleChangeInfo(ei, prop, &buf);
break;
}
}
@ -698,7 +736,7 @@ static bool RoadVehicleChangeInfo(uint engine, int numinfo, int prop, byte **buf
break;
case 0x0A: { // Running cost base
uint32 base= grf_load_dword(&buf);
uint32 base = grf_load_dword(&buf);
/* These magic numbers are used in GRFs to specify the base cost:
* http://wiki.ttdpatch.net/tiki-index.php?page=BaseCosts
@ -806,7 +844,7 @@ static bool RoadVehicleChangeInfo(uint engine, int numinfo, int prop, byte **buf
break;
default:
ret = true;
ret = !CommonVehicleChangeInfo(ei, prop, &buf);
break;
}
}
@ -919,7 +957,7 @@ static bool ShipVehicleChangeInfo(uint engine, int numinfo, int prop, byte **buf
break;
default:
ret = true;
ret = !CommonVehicleChangeInfo(ei, prop, &buf);
break;
}
}
@ -1028,7 +1066,7 @@ static bool AircraftVehicleChangeInfo(uint engine, int numinfo, int prop, byte *
break;
default:
ret = true;
ret = !CommonVehicleChangeInfo(ei, prop, &buf);
break;
}
}
@ -2329,67 +2367,10 @@ static void FeatureChangeInfo(byte *buf, size_t len)
while (numprops-- && buf < bufend) {
uint8 prop = grf_load_byte(&buf);
bool ignoring = false;
switch (feature) {
case GSF_TRAIN:
case GSF_ROAD:
case GSF_SHIP:
case GSF_AIRCRAFT: {
bool handled = true;
for (uint i = 0; i < numinfo; i++) {
Engine *e = GetNewEngine(_cur_grffile, (VehicleType)feature, engine + i);
EngineInfo *ei = &e->info;
/* Common properties for vehicles */
switch (prop) {
case 0x00: // Introduction date
ei->base_intro = grf_load_word(&buf) + DAYS_TILL_ORIGINAL_BASE_YEAR;
break;
case 0x02: // Decay speed
ei->decay_speed = grf_load_byte(&buf);
break;
case 0x03: // Vehicle life
ei->lifelength = grf_load_byte(&buf);
break;
case 0x04: // Model life
ei->base_life = grf_load_byte(&buf);
break;
case 0x06: // Climates available
ei->climates = grf_load_byte(&buf);
// XXX sometimes a grf wants hidden vehicles :o
if (ei->climates == 0) ei->climates = 0x80;
break;
case 0x07: // Loading speed
/* Hyronymus explained me what does
* this mean and insists on having a
* credit ;-). --pasky */
ei->load_amount = grf_load_byte(&buf);
break;
default:
handled = false;
break;
}
}
if (handled) break;
} /* FALL THROUGH */
default:
if (handler[feature](engine, numinfo, prop, &buf, bufend - buf)) {
ignoring = true;
grfmsg(1, "FeatureChangeInfo: Ignoring property 0x%02X of feature 0x%02X (not implemented)", prop, feature);
}
break;
}
if (ignoring) grfmsg(1, "FeatureChangeInfo: Ignoring property 0x%02X of feature 0x%02X (not implemented)", prop, feature);
}
}