diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/newgrf.cpp | 107 |
1 files changed, 59 insertions, 48 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp index 2e4e01eb8..d64449fea 100644 --- a/src/newgrf.cpp +++ b/src/newgrf.cpp @@ -128,6 +128,9 @@ static uint16 cargo_disallowed[TOTAL_NUM_ENGINES]; /* Contains the GRF ID of the owner of a vehicle if it has been reserved */ static uint32 _grm_engines[TOTAL_NUM_ENGINES]; +/* Contains the GRF ID of the owner of a cargo if it has been reserved */ +static uint32 _grm_cargos[NUM_CARGO]; + /** DEBUG() function dedicated to newGRF debugging messages * Function is essentialy the same as DEBUG(grf, severity, ...) with the * addition of file:line information when parsing grf files. @@ -3541,6 +3544,54 @@ static uint32 GetPatchVariable(uint8 param) } +static uint32 PerformGRM(uint32 *grm, uint16 num_ids, uint16 count, uint8 op, uint8 target, const char *type) +{ + uint start = 0; + uint size = 0; + + if (op == 6) { + /* Return GRFID of set that reserved ID */ + return grm[_cur_grffile->param[target]]; + } + + /* With an operation of 2 or 3, we want to reserve a specific block of IDs */ + if (op == 2 || op == 3) start = _cur_grffile->param[target]; + + for (uint i = start; i < num_ids; i++) { + if (grm[i] == 0) { + size++; + } else { + if (op == 2 || op == 3) break; + start = i + 1; + size = 0; + } + + if (size == count) break; + } + + if (size == count) { + /* Got the slot... */ + if (op == 0 || op == 3) { + grfmsg(2, "ParamSet: GRM: Reserving %d %s at %d", count, type, start); + for (uint i = 0; i < count; i++) grm[start + i] = _cur_grffile->grfid; + } + return start; + } + + /* Unable to allocate */ + if (op != 4 && op != 5) { + /* Deactivate GRF */ + grfmsg(0, "ParamSet: GRM: Unable to allocate %d %s, deactivating", count, type); + _cur_grfconfig->status = GCS_DISABLED; + _skip_sprites = -1; + return UINT_MAX; + } + + grfmsg(1, "ParamSet: GRM: Unable to allocate %d %s", count, type); + return UINT_MAX; +} + + /* Action 0x0D */ static void ParamSet(byte *buf, int len) { @@ -3611,55 +3662,9 @@ static void ParamSet(byte *buf, int len) case 0x01: // Road Vehicles case 0x02: // Ships case 0x03: // Aircraft - { - uint start = 0; - uint size = 0; - uint shift = _vehshifts[feature]; - - if (op == 6) { - /* Return GRFID of set that reserved ID */ - src1 = _grm_engines[shift + _cur_grffile->param[target]]; - break; - } - - /* With an operation of 2 or 3, we want to reserve a specific block of IDs */ - if (op == 2 || op == 3) start = _cur_grffile->param[target]; - - for (uint i = start; i < _vehcounts[feature]; i++) { - if (_grm_engines[shift + i] == 0) { - size++; - } else { - if (op == 2 || op == 3) break; - start = i + 1; - size = 0; - } - - if (size == count) break; - } - - if (size == count) { - /* Got the slot... */ - if (op == 0 || op == 3) { - grfmsg(2, "ParamSet: GRM: Reserving %d vehicles at %d", count, start); - for (uint i = 0; i < count; i++) _grm_engines[shift + start + i] = _cur_grffile->grfid; - } - src1 = start; - } else { - /* Unable to allocate */ - if (op != 4 && op != 5) { - /* Deactivate GRF */ - grfmsg(0, "ParamSet: GRM: Unable to allocate %d vehicles, deactivating", count); - _cur_grfconfig->status = GCS_DISABLED; - - _skip_sprites = -1; - return; - } - - grfmsg(1, "ParamSet: GRM: Unable to allocate %d vehicles", count); - src1 = UINT_MAX; - } + src1 = PerformGRM(&_grm_engines[_vehshifts[feature]], _vehcounts[feature], count, op, target, "vehicles"); + if (_skip_sprites == -1) return; break; - } case 0x08: // General sprites switch (op) { @@ -3688,6 +3693,11 @@ static void ParamSet(byte *buf, int len) } break; + case 0x0B: // Cargo + src1 = PerformGRM(_grm_cargos, NUM_CARGO, count, op, target, "cargos"); + if (_skip_sprites == -1) return; + break; + default: grfmsg(1, "ParamSet: GRM: Unsupported feature 0x%X", feature); return; } } @@ -4410,6 +4420,7 @@ static void ResetNewGRFData() /* Reset GRM reservations */ memset(&_grm_engines, 0, sizeof(_grm_engines)); + memset(&_grm_cargos, 0, sizeof(_grm_cargos)); /* Unload sprite group data */ UnloadWagonOverrides(); |