cpp/openttd-patchpack/source Changeset - r2472:52bc76ad441c

Changeset - r2472:52bc76ad441c

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peter1138 - 19 years ago 2005-09-29 20:20:34
peter1138@openttd.org

(svn r2998) -Codechange: Split rail drawing code off from DrawTile_Rail into a separate function to be used elsewhere. (Deja vu?)

2 files changed with 70 insertions and 44 deletions:

rail.h

rail_cmd.c

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rail.h

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@@ @@ -576,4 +576,6 @@ static inline bool IsCompatibleRail(Rail @@
 	return HASBIT(GetRailTypeInfo(enginetype)->compatible_railtypes, tiletype);
+}
 void DrawTrackBits(TileInfo *ti, TrackBits track, bool earth, bool snow, bool flat);
 #endif /* RAIL_H */

rail_cmd.c

➞

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@@ @@ -1366,69 +1366,77 @@ static void DrawSpecialBuilding(uint32 i @@
 	AddSortableSpriteToDraw(image, ti->x + x, ti->y + y, xsize, ysize, zsize, ti->z + z);
+}
 static void DrawTile_Track(TileInfo *ti)
 /**
  * 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)
+{
 	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?
 	_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;
 	PalSpriteID image;
 	bool junction = 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)) ||
 	// 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, m5 == (TRACK_BIT_UPPER|TRACK_BIT_LOWER)) ||
 		(image++,				m5 == (TRACK_BIT_LEFT|TRACK_BIT_RIGHT)) ||
 		(special=true, false) ||
 	(image = rti->base_sprites.track_ns, track == (TRACK_BIT_UPPER | TRACK_BIT_LOWER)) ||
 	(image++,                            track == (TRACK_BIT_LEFT | TRACK_BIT_RIGHT)) ||
 		(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))) ||
 	(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 f = GetRailFoundation(ti->tileh, ti->map5 & 0x3F);
 			if (f) DrawFoundation(ti, f);
 		int foundation;
 			// default sloped sprites..
 			if (ti->tileh != 0) image = _track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.track_y;
 		if (flat) {
 			foundation = ti->tileh;
 		} else {
 			foundation = GetRailFoundation(ti->tileh, track);
+		}
 		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) {
 		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);
 		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);
 	// 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);
+		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);
@@ @@ -1436,6 +1444,22 @@ static void DrawTile_Track(TileInfo *ti) @@
 			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));
 	PalSpriteID image;
 	_drawtile_track_palette = SPRITE_PALETTE(PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)));
 	m5 = (byte)ti->map5;
 	if (!(m5 & RAIL_TYPE_SPECIAL)) {
 		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;
 		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);

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