--- a/rail_cmd.c Thu Sep 29 19:59:57 2005 +0000
+++ b/rail_cmd.c Thu Sep 29 20:20:34 2005 +0000
@@ -1366,76 +1366,100 @@
AddSortableSpriteToDraw(image, ti->x + x, ti->y + y, xsize, ysize, zsize, ti->z + z);
}
+/**
+ * Draw ground sprite and track bits
+ * @param ti TileInfo
+ * @param track TrackBits to draw
+ * @param earth Draw as earth
+ * @param snow Draw as snow
+ * @param flat Always draw foundation
+ */
+void DrawTrackBits(TileInfo *ti, TrackBits track, bool earth, bool snow, bool flat)
+{
+ const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
+ PalSpriteID image;
+ bool junction = false;
+
+ // Select the sprite to use.
+ (image = rti->base_sprites.track_y, track == TRACK_BIT_DIAG2) ||
+ (image++, track == TRACK_BIT_DIAG1) ||
+ (image++, track == TRACK_BIT_UPPER) ||
+ (image++, track == TRACK_BIT_LOWER) ||
+ (image++, track == TRACK_BIT_RIGHT) ||
+ (image++, track == TRACK_BIT_LEFT) ||
+ (image++, track == (TRACK_BIT_DIAG1 | TRACK_BIT_DIAG2)) ||
+
+ (image = rti->base_sprites.track_ns, track == (TRACK_BIT_UPPER | TRACK_BIT_LOWER)) ||
+ (image++, track == (TRACK_BIT_LEFT | TRACK_BIT_RIGHT)) ||
+
+ (junction = true, false) ||
+ (image = rti->base_sprites.ground, !(track & (TRACK_BIT_RIGHT | TRACK_BIT_UPPER | TRACK_BIT_DIAG1))) ||
+ (image++, !(track & (TRACK_BIT_LEFT | TRACK_BIT_LOWER | TRACK_BIT_DIAG1))) ||
+ (image++, !(track & (TRACK_BIT_LEFT | TRACK_BIT_UPPER | TRACK_BIT_DIAG2))) ||
+ (image++, !(track & (TRACK_BIT_RIGHT | TRACK_BIT_LOWER | TRACK_BIT_DIAG2))) ||
+ (image++, true);
+
+ if (ti->tileh != 0) {
+ int foundation;
+
+ if (flat) {
+ foundation = ti->tileh;
+ } else {
+ foundation = GetRailFoundation(ti->tileh, track);
+ }
+
+ if (foundation != 0)
+ DrawFoundation(ti, foundation);
+
+ // DrawFoundation() modifies ti.
+ // Default sloped sprites..
+ if (ti->tileh != 0)
+ image = _track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.track_y;
+ }
+
+ if (earth) {
+ image = (image & SPRITE_MASK) | PALETTE_TO_BARE_LAND; // Use brown palette
+ } else if (snow) {
+ image += rti->snow_offset;
+ }
+
+ DrawGroundSprite(image);
+
+ // Draw track pieces individually for junction tiles
+ if (junction) {
+ if (track & TRACK_BIT_DIAG1) DrawGroundSprite(rti->base_sprites.single_y);
+ if (track & TRACK_BIT_DIAG2) DrawGroundSprite(rti->base_sprites.single_x);
+ if (track & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n);
+ if (track & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s);
+ if (track & TRACK_BIT_LEFT) DrawGroundSprite(rti->base_sprites.single_w);
+ if (track & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e);
+ }
+
+ if (_debug_pbs_level >= 1) {
+ byte pbs = PBSTileReserved(ti->tile) & track;
+ if (pbs & TRACK_BIT_DIAG1) DrawGroundSprite(rti->base_sprites.single_y | PALETTE_CRASH);
+ if (pbs & TRACK_BIT_DIAG2) DrawGroundSprite(rti->base_sprites.single_x | PALETTE_CRASH);
+ if (pbs & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n | PALETTE_CRASH);
+ if (pbs & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s | PALETTE_CRASH);
+ if (pbs & TRACK_BIT_LEFT) DrawGroundSprite(rti->base_sprites.single_w | PALETTE_CRASH);
+ if (pbs & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e | PALETTE_CRASH);
+ }
+}
+
static void DrawTile_Track(TileInfo *ti)
{
byte m5;
const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
- uint32 image; //XXX ok why the hell is SpriteID 16 bit when all the drawing routines need 32?
+ PalSpriteID image;
_drawtile_track_palette = SPRITE_PALETTE(PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)));
m5 = (byte)ti->map5;
if (!(m5 & RAIL_TYPE_SPECIAL)) {
- bool special;
-
- m5 &= TRACK_BIT_MASK;
-
- special = false;
-
- // select the sprite to use based on the map5 byte.
- (image = rti->base_sprites.track_y, m5 == TRACK_BIT_DIAG2) ||
- (image++, m5 == TRACK_BIT_DIAG1) ||
- (image++, m5 == TRACK_BIT_UPPER) ||
- (image++, m5 == TRACK_BIT_LOWER) ||
- (image++, m5 == TRACK_BIT_RIGHT) ||
- (image++, m5 == TRACK_BIT_LEFT) ||
- (image++, m5 == (TRACK_BIT_DIAG1|TRACK_BIT_DIAG2)) ||
-
- (image = rti->base_sprites.track_ns, m5 == (TRACK_BIT_UPPER|TRACK_BIT_LOWER)) ||
- (image++, m5 == (TRACK_BIT_LEFT|TRACK_BIT_RIGHT)) ||
-
- (special=true, false) ||
-
- (image = rti->base_sprites.ground, !(m5 & (TRACK_BIT_RIGHT|TRACK_BIT_UPPER|TRACK_BIT_DIAG1))) ||
- (image++, !(m5 & (TRACK_BIT_LEFT|TRACK_BIT_LOWER|TRACK_BIT_DIAG1))) ||
- (image++, !(m5 & (TRACK_BIT_LEFT|TRACK_BIT_UPPER|TRACK_BIT_DIAG2))) ||
- (image++, !(m5 & (TRACK_BIT_RIGHT|TRACK_BIT_LOWER|TRACK_BIT_DIAG2))) ||
- (image++, true);
-
- if (ti->tileh != 0) {
- int f = GetRailFoundation(ti->tileh, ti->map5 & 0x3F);
- if (f) DrawFoundation(ti, f);
+ bool earth = (_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_BROWN;
+ bool snow = (_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_ICE_DESERT;
- // default sloped sprites..
- if (ti->tileh != 0) image = _track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.track_y;
- }
-
- if ((_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_BROWN) {
- image = (image & SPRITE_MASK) | PALETTE_TO_BARE_LAND; // use a brown palette
- } else if ((_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK) == RAIL_GROUND_ICE_DESERT) {
- image += rti->snow_offset;
- }
-
- DrawGroundSprite(image);
-
- if (special) {
- if (m5 & TRACK_BIT_DIAG1) DrawGroundSprite(rti->base_sprites.single_y);
- if (m5 & TRACK_BIT_DIAG2) DrawGroundSprite(rti->base_sprites.single_x);
- if (m5 & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n);
- if (m5 & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s);
- if (m5 & TRACK_BIT_LEFT) DrawGroundSprite(rti->base_sprites.single_w);
- if (m5 & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e);
- }
-
- if (_debug_pbs_level >= 1) {
- byte pbs = PBSTileReserved(ti->tile);
- if (pbs & TRACK_BIT_DIAG1) DrawGroundSprite(rti->base_sprites.single_y | PALETTE_CRASH);
- if (pbs & TRACK_BIT_DIAG2) DrawGroundSprite(rti->base_sprites.single_x | PALETTE_CRASH);
- if (pbs & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n | PALETTE_CRASH);
- if (pbs & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s | PALETTE_CRASH);
- if (pbs & TRACK_BIT_LEFT) DrawGroundSprite(rti->base_sprites.single_w | PALETTE_CRASH);
- if (pbs & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e | PALETTE_CRASH);
- }
+ DrawTrackBits(ti, m5 & TRACK_BIT_MASK, earth, snow, false);
if (_display_opt & DO_FULL_DETAIL) {
_detailed_track_proc[_m[ti->tile].m2 & RAIL_MAP2LO_GROUND_MASK](ti);