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(svn r5581) Slightly alter some snow line related calculations to make them a bit clearer

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This commit is contained in:
tron 2006-07-22 07:36:01 +00:00
parent af7fa1df24
commit 475f276769
2 changed files with 6 additions and 7 deletions
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7
clear_cmd.c
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@ -595,17 +595,16 @@ void TileLoopClearHelper(TileIndex tile)
/* convert into snowy tiles */
static void TileLoopClearAlps(TileIndex tile)
{
/* distance from snow line, in steps of 8 */
int k = GetTileZ(tile) - _opt.snow_line;
int k = GetTileZ(tile) - _opt.snow_line + TILE_HEIGHT;
if (k < -TILE_HEIGHT) { // well below the snow line
if (k < 0) { // well below the snow line
if (!IsClearGround(tile, CLEAR_SNOW)) return;
if (GetClearDensity(tile) == 0) SetClearGroundDensity(tile, CLEAR_GRASS, 3);
} else {
if (!IsClearGround(tile, CLEAR_SNOW)) {
SetClearGroundDensity(tile, CLEAR_SNOW, 0);
} else {
uint density = min((uint)(k + TILE_HEIGHT) / TILE_HEIGHT, 3);
uint density = min((uint)k / TILE_HEIGHT, 3);
if (GetClearDensity(tile) < density) {
AddClearDensity(tile, 1);

6
tree_cmd.c
View File

@ -405,13 +405,13 @@ static void TileLoopTreesDesert(TileIndex tile)
static void TileLoopTreesAlps(TileIndex tile)
{
int k = GetTileZ(tile) - _opt.snow_line;
int k = GetTileZ(tile) - _opt.snow_line + TILE_HEIGHT;
if (k < -TILE_HEIGHT) {
if (k < 0) {
if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT) return;
SetTreeGroundDensity(tile, TREE_GROUND_GRASS, 0);
} else {
uint density = min((uint)(k + TILE_HEIGHT) / TILE_HEIGHT, 3);
uint density = min((uint)k / TILE_HEIGHT, 3);
if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT ||
GetTreeDensity(tile) != density) {