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(svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes

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replace/41b28d7194a279bdc17475d4fbe2ea6ec885a466
tron 18 years ago
parent de4a96fd7a
commit 012e144cc1
4 changed files with 53 additions and 30 deletions
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61
landscape.c
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@ -51,7 +51,9 @@ const byte _tileh_to_sprite[32] = {
};
const byte _inclined_tileh[] = {
SLOPE_SW, SLOPE_NW, SLOPE_SW, SLOPE_SE, SLOPE_NE, SLOPE_SE, SLOPE_NE, SLOPE_NW
SLOPE_SW, SLOPE_NW, SLOPE_SW, SLOPE_SE, SLOPE_NE, SLOPE_SE, SLOPE_NE, SLOPE_NW,
SLOPE_E, SLOPE_N, SLOPE_W, SLOPE_S,
SLOPE_NWS, SLOPE_WSE, SLOPE_SEN, SLOPE_ENW
};
@ -203,31 +205,48 @@ void DrawFoundation(TileInfo *ti, uint f)
if (!HasFoundationNW(ti->tile, slope, z)) sprite_base += 22;
if (!HasFoundationNE(ti->tile, slope, z)) sprite_base += 44;
if (f < 15) {
// leveled foundation
// Use the original slope sprites if NW and NE borders should be visible
if (sprite_base == SPR_SLOPES_BASE - 15) sprite_base = SPR_FOUNDATION_BASE;
if (IsSteepSlope(ti->tileh)) {
uint32 lower_base;
AddSortableSpriteToDraw(sprite_base + f, ti->x, ti->y, 16, 16, 7, ti->z);
// Lower part of foundation
lower_base = sprite_base;
if (lower_base == SPR_SLOPES_BASE - 15) lower_base = SPR_FOUNDATION_BASE;
AddSortableSpriteToDraw(
lower_base + (ti->tileh & ~SLOPE_STEEP), ti->x, ti->y, 16, 16, 7, ti->z
);
ti->z += TILE_HEIGHT;
ti->tileh = SLOPE_FLAT;
OffsetGroundSprite(31, 1);
ti->tileh = _inclined_tileh[f - 15];
if (f < 15 + 8) {
// inclined
AddSortableSpriteToDraw(sprite_base + f, ti->x, ti->y, 16, 16, 1, ti->z);
OffsetGroundSprite(31, 9);
} else if (f >= 15 + 8 + 4) {
// three corners raised
uint32 upper = sprite_base + 15 + (f - 15 - 8 - 4) * 2;
AddSortableSpriteToDraw(upper, ti->x, ti->y, 16, 16, 1, ti->z);
AddChildSpriteScreen(upper + 1, 31, 9);
OffsetGroundSprite(31, 9);
} else {
// one corner raised
OffsetGroundSprite(31, 1);
}
} else {
// inclined foundation
if (IsSteepSlope(ti->tileh)) {
uint32 lower_base;
// Lower part of foundation
lower_base = sprite_base;
if (lower_base == SPR_SLOPES_BASE - 15) lower_base = SPR_FOUNDATION_BASE;
AddSortableSpriteToDraw(
lower_base + (ti->tileh & ~SLOPE_STEEP), ti->x, ti->y, 16, 16, 7, ti->z
);
if (f < 15) {
// leveled foundation
// Use the original slope sprites if NW and NE borders should be visible
if (sprite_base == SPR_SLOPES_BASE - 15) sprite_base = SPR_FOUNDATION_BASE;
AddSortableSpriteToDraw(sprite_base + f, ti->x, ti->y, 16, 16, 7, ti->z);
ti->z += TILE_HEIGHT;
ti->tileh = SLOPE_FLAT;
OffsetGroundSprite(31, 1);
} else {
// inclined foundation
AddSortableSpriteToDraw(sprite_base + f, ti->x, ti->y, 16, 16, 1, ti->z);
ti->tileh = _inclined_tileh[f - 15];
OffsetGroundSprite(31, 9);
}
AddSortableSpriteToDraw(sprite_base + f, ti->x, ti->y, 16, 16, 1, ti->z);
ti->tileh = _inclined_tileh[f - 15];
OffsetGroundSprite(31, 9);
}
}

12
rail_cmd.c
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@ -160,9 +160,13 @@ uint GetRailFoundation(Slope tileh, TrackBits bits)
}
switch (bits) {
default: NOT_REACHED();
case TRACK_BIT_X: i = 0; break;
case TRACK_BIT_Y: i = 1; break;
default: return 0;
case TRACK_BIT_LEFT: return 15 + 8 + (tileh == SLOPE_STEEP_W ? 4 : 0);
case TRACK_BIT_LOWER: return 15 + 8 + (tileh == SLOPE_STEEP_S ? 5 : 1);
case TRACK_BIT_RIGHT: return 15 + 8 + (tileh == SLOPE_STEEP_E ? 6 : 2);
case TRACK_BIT_UPPER: return 15 + 8 + (tileh == SLOPE_STEEP_N ? 7 : 3);
}
switch (tileh) {
case SLOPE_W:
@ -182,9 +186,9 @@ uint GetRailFoundation(Slope tileh, TrackBits bits)
static uint32 CheckRailSlope(Slope tileh, TrackBits rail_bits, TrackBits existing, TileIndex tile)
{
if (IsSteepSlope(tileh)) {
if (existing == 0 &&
(rail_bits == TRACK_BIT_X || rail_bits == TRACK_BIT_Y)) {
return _price.terraform;
if (existing == 0) {
TrackBits valid = TRACK_BIT_CROSS | (HASBIT(1 << SLOPE_STEEP_W | 1 << SLOPE_STEEP_E, tileh) ? TRACK_BIT_VERT : TRACK_BIT_HORZ);
if (valid & rail_bits) return _price.terraform;
}
} else {
rail_bits |= existing;

8
table/autorail.h
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@ -38,14 +38,14 @@ static const int _AutorailTilehSprite[][6] = {
{ 0, 1, 2, 3, 4, 5 }, // invalid (20)
{ 0, 1, 2, 3, 4, 5 }, // invalid (21)
{ 0, 1, 2, 3, 4, 5 }, // invalid (22)
{ 6, 11, RED(17), RED(27), RED(39), RED(47) }, // tileh = 23
{ 6, 11, 17, 27, RED(39), RED(47) }, // tileh = 23
{ 0, 1, 2, 3, 4, 5 }, // invalid (24)
{ 0, 1, 2, 3, 4, 5 }, // invalid (25)
{ 0, 1, 2, 3, 4, 5 }, // invalid (26)
{ 7, 15, RED(24), RED(33), RED(36), RED(44) }, // tileh = 27
{ 7, 15, RED(24), RED(33), 36, 44 }, // tileh = 27
{ 0, 1, 2, 3, 4, 5 }, // invalid (28)
{ 3, 14, RED(18), RED(26), RED(41), RED(49) }, // tileh = 29
{ 4, 12, RED(21), RED(30), RED(37), RED(45) } // tileh = 30
{ 3, 14, 18, 26, RED(41), RED(49) }, // tileh = 29
{ 4, 12, RED(21), RED(30), 37, 45 } // tileh = 30
};
#undef RED

2
variables.h
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@ -405,7 +405,7 @@ StringID BindCString(const char *str);
/* landscape.c */
extern const byte _tileh_to_sprite[32];
extern const byte _inclined_tileh[8];
extern const byte _inclined_tileh[16];
extern const TileTypeProcs * const _tile_type_procs[16];

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