mirror of
https://github.com/OpenTTD/OpenTTD.git
synced 2025-02-02 12:24:15 +00:00
(svn r12063) -Cleanup: use C++ indenting and variable scope/declaration in BuildTownHouse()
This commit is contained in:
smatz
parent
146779b158
commit
c261218cf5
234
src/town_cmd.cpp
234
src/town_cmd.cpp
@ -1717,152 +1717,142 @@ static bool CheckFree2x2Area(TileIndex tile, uint z, bool noslope)
|
||||
*/
|
||||
static bool BuildTownHouse(Town *t, TileIndex tile)
|
||||
{
|
||||
int i;
|
||||
uint bitmask;
|
||||
HouseID house;
|
||||
Slope slope;
|
||||
uint z;
|
||||
uint oneof = 0;
|
||||
HouseSpec *hs;
|
||||
|
||||
/* no house allowed at all, bail out */
|
||||
if (!CanBuildHouseHere(tile, false)) return false;
|
||||
|
||||
/* Above snow? */
|
||||
slope = GetTileSlope(tile, &z);
|
||||
uint z;
|
||||
Slope slope = GetTileSlope(tile, &z);
|
||||
|
||||
/* Get the town zone type of the current tile, as well as the climate.
|
||||
* This will allow to easily compare with the specs of the new house to build */
|
||||
{
|
||||
HouseZonesBits rad = GetTownRadiusGroup(t, tile);
|
||||
HouseZonesBits rad = GetTownRadiusGroup(t, tile);
|
||||
|
||||
int land = _opt.landscape;
|
||||
if (land == LT_ARCTIC && z >= _opt.snow_line) land = -1;
|
||||
/* Above snow? */
|
||||
int land = _opt.landscape;
|
||||
if (land == LT_ARCTIC && z >= _opt.snow_line) land = -1;
|
||||
|
||||
bitmask = (1 << rad) + (1 << (land + 12));
|
||||
}
|
||||
uint bitmask = (1 << rad) + (1 << (land + 12));
|
||||
|
||||
/* bits 0-4 are used
|
||||
* bits 11-15 are used
|
||||
* bits 5-10 are not used. */
|
||||
{
|
||||
HouseID houses[HOUSE_MAX];
|
||||
int num = 0;
|
||||
uint probs[HOUSE_MAX];
|
||||
uint probability_max = 0;
|
||||
HouseID houses[HOUSE_MAX];
|
||||
uint num = 0;
|
||||
uint probs[HOUSE_MAX];
|
||||
uint probability_max = 0;
|
||||
|
||||
/* Generate a list of all possible houses that can be built. */
|
||||
for (i = 0; i < HOUSE_MAX; i++) {
|
||||
hs = GetHouseSpecs(i);
|
||||
/* Verify that the candidate house spec matches the current tile status */
|
||||
if ((~hs->building_availability & bitmask) == 0 && hs->enabled) {
|
||||
/* Without NewHouses, all houses have probability '1' */
|
||||
uint cur_prob = (_loaded_newgrf_features.has_newhouses ? hs->probability : 1);
|
||||
probability_max += cur_prob;
|
||||
probs[num] = cur_prob;
|
||||
houses[num++] = (HouseID)i;
|
||||
/* Generate a list of all possible houses that can be built. */
|
||||
for (uint i = 0; i < HOUSE_MAX; i++) {
|
||||
HouseSpec *hs = GetHouseSpecs(i);
|
||||
/* Verify that the candidate house spec matches the current tile status */
|
||||
if ((~hs->building_availability & bitmask) == 0 && hs->enabled) {
|
||||
/* Without NewHouses, all houses have probability '1' */
|
||||
uint cur_prob = (_loaded_newgrf_features.has_newhouses ? hs->probability : 1);
|
||||
probability_max += cur_prob;
|
||||
probs[num] = cur_prob;
|
||||
houses[num++] = (HouseID)i;
|
||||
}
|
||||
}
|
||||
|
||||
uint maxz = GetTileMaxZ(tile);
|
||||
|
||||
while (probability_max > 0) {
|
||||
uint r = RandomRange(probability_max);
|
||||
uint i;
|
||||
for (i = 0; i < num; i++) {
|
||||
if (probs[i] > r) break;
|
||||
r -= probs[i];
|
||||
}
|
||||
|
||||
HouseID house = houses[i];
|
||||
probability_max -= probs[i];
|
||||
|
||||
/* remove tested house from the set */
|
||||
num--;
|
||||
houses[i] = houses[num];
|
||||
probs[i] = probs[num];
|
||||
|
||||
HouseSpec *hs = GetHouseSpecs(house);
|
||||
|
||||
if (_loaded_newgrf_features.has_newhouses) {
|
||||
if (hs->override != 0) {
|
||||
house = hs->override;
|
||||
hs = GetHouseSpecs(house);
|
||||
}
|
||||
|
||||
if ((hs->extra_flags & BUILDING_IS_HISTORICAL) && !_generating_world) continue;
|
||||
|
||||
if (HasBit(hs->callback_mask, CBM_HOUSE_ALLOW_CONSTRUCTION)) {
|
||||
uint16 callback_res = GetHouseCallback(CBID_HOUSE_ALLOW_CONSTRUCTION, 0, 0, house, t, tile);
|
||||
if (callback_res != CALLBACK_FAILED && callback_res == 0) continue;
|
||||
}
|
||||
}
|
||||
|
||||
uint maxz = GetTileMaxZ(tile);
|
||||
if (_cur_year < hs->min_date || _cur_year > hs->max_date) continue;
|
||||
|
||||
while (probability_max > 0) {
|
||||
uint r = RandomRange(probability_max);
|
||||
for (i = 0; i < num; i++) {
|
||||
if (probs[i] > r) break;
|
||||
r -= probs[i];
|
||||
/* Special houses that there can be only one of. */
|
||||
uint oneof = 0;
|
||||
|
||||
if (hs->building_flags & BUILDING_IS_CHURCH) {
|
||||
SetBit(oneof, TOWN_HAS_CHURCH);
|
||||
} else if (hs->building_flags & BUILDING_IS_STADIUM) {
|
||||
SetBit(oneof, TOWN_HAS_STADIUM);
|
||||
}
|
||||
|
||||
if (HASBITS(t->flags12 , oneof)) continue;
|
||||
|
||||
/* Make sure there is no slope? */
|
||||
bool noslope = (hs->building_flags & TILE_NOT_SLOPED) != 0;
|
||||
if (noslope && slope != SLOPE_FLAT) continue;
|
||||
|
||||
if (hs->building_flags & TILE_SIZE_2x2) {
|
||||
if (!CheckFree2x2Area(tile, maxz, noslope) &&
|
||||
!CheckFree2x2Area(tile += TileDiffXY(-1, 0), maxz, noslope) &&
|
||||
!CheckFree2x2Area(tile += TileDiffXY( 0, -1), maxz, noslope) &&
|
||||
!CheckFree2x2Area(tile += TileDiffXY( 1, 0), maxz, noslope)) {
|
||||
/* return to the original tile */
|
||||
tile += TileDiffXY(0, 1);
|
||||
continue; /* continue the while() loop */
|
||||
}
|
||||
|
||||
house = houses[i];
|
||||
probability_max -= probs[i];
|
||||
|
||||
/* remove tested house from the set */
|
||||
num--;
|
||||
houses[i] = houses[num];
|
||||
probs[i] = probs[num];
|
||||
|
||||
hs = GetHouseSpecs(house);
|
||||
|
||||
if (_loaded_newgrf_features.has_newhouses) {
|
||||
if (hs->override != 0) {
|
||||
house = hs->override;
|
||||
hs = GetHouseSpecs(house);
|
||||
}
|
||||
|
||||
if ((hs->extra_flags & BUILDING_IS_HISTORICAL) && !_generating_world) continue;
|
||||
|
||||
if (HasBit(hs->callback_mask, CBM_HOUSE_ALLOW_CONSTRUCTION)) {
|
||||
uint16 callback_res = GetHouseCallback(CBID_HOUSE_ALLOW_CONSTRUCTION, 0, 0, house, t, tile);
|
||||
if (callback_res != CALLBACK_FAILED && callback_res == 0) continue;
|
||||
}
|
||||
} else if (hs->building_flags & TILE_SIZE_2x1) {
|
||||
/* 'tile' is already checked above - CanBuildHouseHere() and slope test */
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(1, 0), maxz, noslope)) {
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(-1, 0), maxz, noslope)) continue;
|
||||
tile += TileDiffXY(-1, 0);
|
||||
}
|
||||
} else if (hs->building_flags & TILE_SIZE_1x2) {
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(0, 1), maxz, noslope)) {
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(0, -1), maxz, noslope)) continue;
|
||||
tile += TileDiffXY(0, -1);
|
||||
}
|
||||
}
|
||||
|
||||
if (_cur_year < hs->min_date || _cur_year > hs->max_date) continue;
|
||||
/* build the house */
|
||||
t->num_houses++;
|
||||
IncreaseBuildingCount(t, house);
|
||||
|
||||
/* Special houses that there can be only one of. */
|
||||
if (hs->building_flags & BUILDING_IS_CHURCH) {
|
||||
SetBit(oneof, TOWN_HAS_CHURCH);
|
||||
} else if (hs->building_flags & BUILDING_IS_STADIUM) {
|
||||
SetBit(oneof, TOWN_HAS_STADIUM);
|
||||
/* Special houses that there can be only one of. */
|
||||
t->flags12 |= oneof;
|
||||
|
||||
byte construction_counter = 0;
|
||||
byte construction_stage = 0;
|
||||
|
||||
if (_generating_world) {
|
||||
uint32 r = Random();
|
||||
|
||||
construction_stage = TOWN_HOUSE_COMPLETED;
|
||||
if (Chance16(1, 7)) construction_stage = GB(r, 0, 2);
|
||||
|
||||
if (construction_stage == TOWN_HOUSE_COMPLETED) {
|
||||
ChangePopulation(t, hs->population);
|
||||
} else {
|
||||
oneof = 0;
|
||||
construction_counter = GB(r, 2, 2);
|
||||
}
|
||||
|
||||
if (HASBITS(t->flags12 , oneof)) continue;
|
||||
|
||||
/* Make sure there is no slope? */
|
||||
bool noslope = (hs->building_flags & TILE_NOT_SLOPED) != 0;
|
||||
if (noslope && slope != SLOPE_FLAT) continue;
|
||||
|
||||
if (hs->building_flags & TILE_SIZE_2x2) {
|
||||
if (!CheckFree2x2Area(tile, maxz, noslope) &&
|
||||
!CheckFree2x2Area(tile += TileDiffXY(-1, 0), maxz, noslope) &&
|
||||
!CheckFree2x2Area(tile += TileDiffXY( 0, -1), maxz, noslope) &&
|
||||
!CheckFree2x2Area(tile += TileDiffXY( 1, 0), maxz, noslope)) {
|
||||
/* return to the original tile */
|
||||
tile += TileDiffXY(0, 1);
|
||||
continue; /* continue the while() loop */
|
||||
}
|
||||
} else if (hs->building_flags & TILE_SIZE_2x1) {
|
||||
/* 'tile' is already checked above - CanBuildHouseHere() and slope test */
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(1, 0), maxz, noslope)) {
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(-1, 0), maxz, noslope)) continue;
|
||||
tile += TileDiffXY(-1, 0);
|
||||
}
|
||||
} else if (hs->building_flags & TILE_SIZE_1x2) {
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(0, 1), maxz, noslope)) {
|
||||
if (!CheckBuildHouseSameZ(tile + TileDiffXY(0, -1), maxz, noslope)) continue;
|
||||
tile += TileDiffXY(0, -1);
|
||||
}
|
||||
}
|
||||
|
||||
/* build the house */
|
||||
t->num_houses++;
|
||||
IncreaseBuildingCount(t, house);
|
||||
|
||||
/* Special houses that there can be only one of. */
|
||||
t->flags12 |= oneof;
|
||||
|
||||
{
|
||||
byte construction_counter = 0, construction_stage = 0;
|
||||
|
||||
if (_generating_world) {
|
||||
uint32 r = Random();
|
||||
|
||||
construction_stage = TOWN_HOUSE_COMPLETED;
|
||||
if (Chance16(1, 7)) construction_stage = GB(r, 0, 2);
|
||||
|
||||
if (construction_stage == TOWN_HOUSE_COMPLETED) {
|
||||
ChangePopulation(t, hs->population);
|
||||
} else {
|
||||
construction_counter = GB(r, 2, 2);
|
||||
}
|
||||
}
|
||||
MakeTownHouse(tile, t->index, construction_counter, construction_stage, house, Random());
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
MakeTownHouse(tile, t->index, construction_counter, construction_stage, house, Random());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user