(svn r6001) -Feature: when removing a farm, his farmland is removed too (over time) (based on peter1138's patch, FS#82)

To make this to work, in older games farmland is removed on load, and replanted
This commit is contained in:
truelight
2006-08-20 18:44:26 +00:00
parent e5fb66a23f
commit 9e755051a1
6 changed files with 75 additions and 22 deletions

View File

@@ -753,6 +753,16 @@ void DeleteIndustry(Industry *i)
}
END_TILE_LOOP(tile_cur, i->width, i->height, i->xy);
if (i->type == IT_FARM || i->type == IT_FARM_2) {
/* Remove the farmland and convert it to regular tiles over time. */
BEGIN_TILE_LOOP(tile_cur, 42, 42, i->xy - TileDiffXY(21, 21)) {
if (IsTileType(tile_cur, MP_CLEAR) && IsClearGround(tile_cur, CLEAR_FIELDS) &&
GetIndustryIndexOfField(tile_cur) == i->index) {
SetIndustryIndexOfField(tile_cur, INVALID_INDUSTRY);
}
} END_TILE_LOOP(tile_cur, 42, 42, i->xy - TileDiff(21, 21))
}
i->xy = 0;
_industry_sort_dirty = true;
DeleteSubsidyWithIndustry(i->index);
@@ -801,7 +811,7 @@ static void SetupFarmFieldFence(TileIndex tile, int size, byte type, Axis direct
} while (--size);
}
static void PlantFarmField(TileIndex tile)
static void PlantFarmField(TileIndex tile, uint16 industry)
{
uint size_x, size_y;
uint32 r;
@@ -841,7 +851,7 @@ static void PlantFarmField(TileIndex tile)
BEGIN_TILE_LOOP(cur_tile, size_x, size_y, tile)
cur_tile = TILE_MASK(cur_tile);
if (!IsBadFarmFieldTile2(cur_tile)) {
MakeField(cur_tile, field_type);
MakeField(cur_tile, field_type, industry);
SetClearCounter(cur_tile, counter);
MarkTileDirtyByTile(cur_tile);
}
@@ -858,14 +868,19 @@ static void PlantFarmField(TileIndex tile)
SetupFarmFieldFence(tile + TileDiffXY(0, size_y - 1), size_x, type, AXIS_X);
}
void PlantRandomFarmField(const Industry *i)
{
int x = i->width / 2 + Random() % 31 - 16;
int y = i->height / 2 + Random() % 31 - 16;
TileIndex tile = TileAddWrap(i->xy, x, y);
if (tile != INVALID_TILE) PlantFarmField(tile, i->index);
}
static void MaybePlantFarmField(const Industry *i)
{
if (CHANCE16(1, 8)) {
int x = i->width / 2 + Random() % 31 - 16;
int y = i->height / 2 + Random() % 31 - 16;
TileIndex tile = TileAddWrap(i->xy, x, y);
if (tile != INVALID_TILE) PlantFarmField(tile);
}
if (CHANCE16(1, 8)) PlantRandomFarmField(i);
}
static void ChopLumberMillTrees(Industry *i)
@@ -1474,14 +1489,7 @@ static void DoCreateNewIndustry(Industry *i, TileIndex tile, int type, const Ind
i->height++;
if (i->type == IT_FARM || i->type == IT_FARM_2) {
tile = i->xy + TileDiffXY(i->width / 2, i->height / 2);
for (j = 0; j != 50; j++) {
int x = Random() % 31 - 16;
int y = Random() % 31 - 16;
TileIndex new_tile = TileAddWrap(tile, x, y);
if (new_tile != INVALID_TILE) PlantFarmField(new_tile);
}
for (j = 0; j != 50; j++) PlantRandomFarmField(i);
}
_industry_sort_dirty = true;
InvalidateWindow(WC_INDUSTRY_DIRECTORY, 0);