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(svn r3686) Dispel some strange magic regarding level crossings and foundations: 

if a level crossing is on a sloped tile, it has to be on a level foundation
This commit is contained in:
tron 2006-02-28 11:49:12 +00:00
parent 5e05cd4098
commit 03212c6488
1 changed files with 9 additions and 11 deletions
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20
road_cmd.c
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@ -764,9 +764,6 @@ uint GetRoadFoundation(uint tileh, uint bits)
return i + 15;
}
// rail crossing
if ((bits & 0x10) && _valid_tileh_slopes_road[2][tileh]) return tileh;
return 0;
}
@ -848,8 +845,7 @@ static void DrawTile_Road(TileInfo *ti)
break;
case 1: { // level crossing
int f = GetRoadFoundation(ti->tileh, ti->map5 & 0xF);
if (f) DrawFoundation(ti, f);
if (ti->tileh != 0) DrawFoundation(ti, ti->tileh);
image = GetRailTypeInfo(GB(_m[ti->tile].m4, 0, 4))->base_sprites.crossing;
@ -931,9 +927,8 @@ static uint GetSlopeZ_Road(const TileInfo* ti)
// check if it's a foundation
if (ti->tileh != 0) {
switch (GB(ti->map5, 4, 4)) {
case 0: // normal road
case 1: { // level crossing
uint f = GetRoadFoundation(ti->tileh, ti->map5 & 0x3F);
case 0: { // normal road
uint f = GetRoadFoundation(ti->tileh, GB(ti->map5, 0, 4));
if (f != 0) {
if (f < 15) {
// leveled foundation
@ -945,6 +940,8 @@ static uint GetSlopeZ_Road(const TileInfo* ti)
break;
}
// if these are on a slope then there's a level foundation
case 1: // level crossing
case 2: // depot
return z + 8;
@ -960,9 +957,8 @@ static uint GetSlopeTileh_Road(const TileInfo *ti)
// check if it's a foundation
if (ti->tileh != 0) {
switch (GB(ti->map5, 4, 4)) {
case 0: // normal road
case 1: { // level crossing
uint f = GetRoadFoundation(ti->tileh, ti->map5 & 0x3F);
case 0: { // normal road
uint f = GetRoadFoundation(ti->tileh, GB(ti->map5, 0, 4));
if (f != 0) {
if (f < 15) {
// leveled foundation
@ -974,6 +970,8 @@ static uint GetSlopeTileh_Road(const TileInfo *ti)
break;
}
// if these are on a slope then there's a level foundation
case 1: // level crossing
case 2: // depot
return 0;