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(svn r4867) - NewGRF: implement partial support for engine variable 0x42

This commit is contained in:
peter1138 2006-05-14 15:11:12 +00:00
parent 1d0fcc7326
commit 3f28a8cd42
1 changed files with 83 additions and 0 deletions
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83
newgrf_engine.c
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@ -15,6 +15,57 @@
#include "newgrf_station.h"
#include "newgrf_spritegroup.h"
/* XXX These tables should be moved / ripped out when newcargos is implemented. */
/* Cargo classes */
enum {
CC_NONE = 0,
CC_PASSENGERS = 1 << 0,
CC_MAIL = 1 << 1,
CC_EXPRESS = 1 << 2,
CC_ARMOURED = 1 << 3,
CC_BULK = 1 << 4,
CC_PIECE_GOODS = 1 << 5,
CC_LIQUID = 1 << 6,
CC_REFRIGERATED = 1 << 7,
};
/* Default cargo classes */
static const uint16 _cargo_classes[NUM_GLOBAL_CID] = {
CC_PASSENGERS,
CC_BULK,
CC_MAIL,
CC_LIQUID,
CC_PIECE_GOODS,
CC_EXPRESS,
CC_BULK,
CC_PIECE_GOODS,
CC_BULK,
CC_PIECE_GOODS,
CC_ARMOURED,
CC_PIECE_GOODS,
CC_REFRIGERATED | CC_EXPRESS,
CC_REFRIGERATED | CC_EXPRESS,
CC_BULK,
CC_LIQUID,
CC_LIQUID,
CC_BULK,
CC_PIECE_GOODS,
CC_PIECE_GOODS,
CC_EXPRESS,
CC_BULK,
CC_LIQUID,
CC_BULK,
CC_PIECE_GOODS,
CC_LIQUID,
CC_PIECE_GOODS,
CC_PIECE_GOODS,
CC_NONE,
CC_NONE,
CC_NONE,
};
int _traininfo_vehicle_pitch = 0;
// TODO: We don't support cargo-specific wagon overrides. Pretty exotic... ;-) --pasky
@ -476,6 +527,38 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
return chain_before | chain_after << 8 | (chain_before + chain_after) << 16;
}
case 0x42: { /* Consist cargo information */
/* XXX Missing support for common refit cycle and property 25 */
const Vehicle *u;
byte cargo_classes = 0;
uint common_cargo_best = 0;
uint common_cargos[NUM_GLOBAL_CID];
CargoID cargo;
CargoID common_cargo_type = GC_PASSENGERS;
/* Reset our arrays */
memset(common_cargos, 0, sizeof(common_cargos));
for (u = v; u != NULL; u = u->next) {
/* Skip empty engines */
if (u->cargo_cap == 0) continue;
/* Map from climate to global cargo ID */
cargo = _global_cargo_id[_opt.landscape][u->cargo_type];
cargo_classes |= _cargo_classes[cargo];
common_cargos[cargo]++;
}
/* Pick the most common cargo type */
for (cargo = 0; cargo < NUM_GLOBAL_CID; cargo++) {
if (common_cargos[cargo] > common_cargo_best) {
common_cargo_best = common_cargos[cargo];
common_cargo_type = cargo;
}
}
return cargo_classes | (common_cargo_type << 8);
}
case 0x43: /* Player information */
return v->owner;