Changeset - r14473:12cc27fac236
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master
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alberth - 14 years ago 2010-02-07 11:58:35
alberth@openttd.org
(svn r19052) -Codechange: Remove the _smallmap_draw_procs array.
1 file changed with 27 insertions and 28 deletions:
0 comments (0 inline, 0 general)
src/smallmap_gui.cpp
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@@ -245,32 +245,24 @@ static const AndOr _smallmap_vehicles_an
 
	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)}, // MP_ROAD
 
	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)}, // MP_HOUSE
 
	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)}, // MP_TREES
 
	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)}, // MP_STATION
 
	{MKCOLOUR(0xCACACACA), MKCOLOUR(0x00000000)}, // MP_WATER
 
	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)}, // MP_VOID
 
	{MKCOLOUR(0xB5B5B5B5), MKCOLOUR(0x00000000)}, // MP_INDUSTRY
 
	{MKCOLOUR(0x00000000), MKCOLOUR(0xFFFFFFFF)}, // MP_TUNNELBRIDGE
 
	{MKCOLOUR(0x00B5B500), MKCOLOUR(0xFF0000FF)}, // MP_UNMOVABLE
 
	{MKCOLOUR(0x00D7D700), MKCOLOUR(0xFF0000FF)},
 
};
 

	
 
/**
 
 * Function signature of the function to retrieve the colour data of a tile for display at the smallmap.
 
 * @param tile Tile that gets displayed.
 
 * @param t    Effective tile type of the tile (see #GetEffectiveTileType).
 
 * @return Colour data to display.
 
 */
 
typedef uint32 GetSmallMapPixels(TileIndex tile, TileType t);
 

	
 
/** Mapping of tile type to importance of the tile (higher number means more interesting to show). */
 
static const byte _tiletype_importance[] = {
 
	2, // MP_CLEAR
 
	8, // MP_RAILWAY
 
	7, // MP_ROAD
 
	5, // MP_HOUSE
 
	2, // MP_TREES
 
	9, // MP_STATION
 
	2, // MP_WATER
 
	1, // MP_VOID
 
	6, // MP_INDUSTRY
 
	8, // MP_TUNNELBRIDGE
 
@@ -421,36 +413,24 @@ static inline uint32 GetSmallMapOwnerPix
 
		case MP_INDUSTRY: o = OWNER_END;          break;
 
		case MP_HOUSE:    o = OWNER_TOWN;         break;
 
		default:          o = GetTileOwner(tile); break;
 
		/* FIXME: For MP_ROAD there are multiple owners.
 
		 * GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
 
		 * even if there are no ROADTYPE_ROAD bits on the tile.
 
		 */
 
	}
 

	
 
	return _owner_colours[o];
 
}
 

	
 
/* Each tile has 4 x pixels and 1 y pixel */
 

	
 
/** Holds function pointers to determine tile colour in the smallmap for each smallmap mode. */
 
static GetSmallMapPixels * const _smallmap_draw_procs[] = {
 
	GetSmallMapContoursPixels,
 
	GetSmallMapVehiclesPixels,
 
	GetSmallMapIndustriesPixels,
 
	GetSmallMapRoutesPixels,
 
	GetSmallMapVegetationPixels,
 
	GetSmallMapOwnerPixels,
 
};
 

	
 
/** Vehicle colours in #SMT_VEHICLES mode. Indexed by #VehicleTypeByte. */
 
static const byte _vehicle_type_colours[6] = {
 
	184, 191, 152, 15, 215, 184
 
};
 

	
 

	
 
/** Class managing the smallmap window. */
 
class SmallMapWindow : public Window {
 
	/** Types of legends in the #SM_WIDGET_LEGEND widget. */
 
	enum SmallMapType {
 
		SMT_CONTOUR,
 
		SMT_VEHICLES,
 
@@ -575,85 +555,104 @@ class SmallMapWindow : public Window {
 
				Point new_tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
 
				this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
 
						this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
 
			}
 
			this->SetWidgetDisabledState(SM_WIDGET_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
 
			this->SetWidgetDisabledState(SM_WIDGET_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
 
			this->SetDirty();
 
		}
 
	}
 

	
 
	/**
 
	 * Decide which colours to show to the user for a group of tiles.
 
	 * @param ta   Tile area to investigate.
 
	 * @param proc Pointer to the colour function.
 
	 * @param ta Tile area to investigate.
 
	 * @return Colours to display.
 
	 */
 
	inline uint32 GetTileColours(const TileArea &ta, GetSmallMapPixels *proc) const
 
	inline uint32 GetTileColours(const TileArea &ta) const
 
	{
 
		int importance = 0;
 
		TileIndex tile = INVALID_TILE; // Position of the most important tile.
 
		TileType et = MP_VOID;         // Effective tile type at that position.
 

	
 
		TILE_AREA_LOOP(ti, ta) {
 
			TileType ttype = GetEffectiveTileType(ti);
 
			if (_tiletype_importance[ttype] > importance) {
 
				importance = _tiletype_importance[ttype];
 
				tile = ti;
 
				et = ttype;
 
			}
 
		}
 
		return proc(tile, et);
 

	
 
		switch (this->map_type) {
 
			case SMT_CONTOUR:
 
				return GetSmallMapContoursPixels(tile, et);
 

	
 
			case SMT_VEHICLES:
 
				return GetSmallMapVehiclesPixels(tile, et);
 

	
 
			case SMT_INDUSTRY:
 
				return GetSmallMapIndustriesPixels(tile, et);
 

	
 
			case SMT_ROUTES:
 
				return GetSmallMapRoutesPixels(tile, et);
 

	
 
			case SMT_VEGETATION:
 
				return GetSmallMapVegetationPixels(tile, et);
 

	
 
			case SMT_OWNER:
 
				return GetSmallMapOwnerPixels(tile, et);
 

	
 
			default: NOT_REACHED();
 
		}
 
	}
 

	
 
	/**
 
	 * Draws one column of tiles of the small map in a certain mode onto the screen buffer, skipping the shifted rows in between.
 
	 *
 
	 * @param dst Pointer to a part of the screen buffer to write to.
 
	 * @param xc The X coordinate of the first tile in the column.
 
	 * @param yc The Y coordinate of the first tile in the column
 
	 * @param pitch Number of pixels to advance in the screen buffer each time a pixel is written.
 
	 * @param reps Number of lines to draw
 
	 * @param start_pos Position of first pixel to draw.
 
	 * @param end_pos Position of last pixel to draw (exclusive).
 
	 * @param blitter current blitter
 
	 * @param proc Pointer to the colour function
 
	 * @note If pixel position is below \c 0, skip drawing.
 
	 * @see GetSmallMapPixels(TileIndex)
 
	 */
 
	void DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter, GetSmallMapPixels *proc) const
 
	void DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter) const
 
	{
 
		void *dst_ptr_abs_end = blitter->MoveTo(_screen.dst_ptr, 0, _screen.height);
 
		uint min_xy = _settings_game.construction.freeform_edges ? 1 : 0;
 

	
 
		do {
 
			/* Check if the tile (xc,yc) is within the map range */
 
			if (xc >= MapMaxX() || yc >= MapMaxY()) continue;
 

	
 
			/* Check if the dst pointer points to a pixel inside the screen buffer */
 
			if (dst < _screen.dst_ptr) continue;
 
			if (dst >= dst_ptr_abs_end) continue;
 

	
 
			/* Construct tilearea covered by (xc, yc, xc + this->zoom, yc + this->zoom) such that it is within min_xy limits. */
 
			TileArea ta;
 
			if (min_xy == 1 && (xc == 0 || yc == 0)) {
 
				if (this->zoom == 1) continue; // The tile area is empty, don't draw anything.
 

	
 
				ta = TileArea(TileXY(max(min_xy, xc), max(min_xy, yc)), this->zoom - (xc == 0), this->zoom - (yc == 0));
 
			} else {
 
				ta = TileArea(TileXY(xc, yc), this->zoom, this->zoom);
 
			}
 
			ta.ClampToMap(); // Clamp to map boundaries (may contain MP_VOID tiles!).
 

	
 
			uint32 val = this->GetTileColours(ta, proc);
 
			uint32 val = this->GetTileColours(ta);
 
			uint8 *val8 = (uint8 *)&val;
 
			int idx = max(0, -start_pos);
 
			for (int pos = max(0, start_pos); pos < end_pos; pos++) {
 
				blitter->SetPixel(dst, idx, 0, val8[idx]);
 
				idx++;
 
			}
 
		/* Switch to next tile in the column */
 
		} while (xc += this->zoom, yc += this->zoom, dst = blitter->MoveTo(dst, pitch, 0), --reps != 0);
 
	}
 

	
 
	/**
 
	 * Adds vehicles to the smallmap.
 
@@ -814,25 +813,25 @@ class SmallMapWindow : public Window {
 
		void *ptr = blitter->MoveTo(dpi->dst_ptr, -dx - 4, 0);
 
		int x = - dx - 4;
 
		int y = 0;
 

	
 
		for (;;) {
 
			/* Distance from left edge */
 
			if (x >= -3) {
 
				if (x >= dpi->width) break; // Exit the loop.
 

	
 
				int end_pos = min(dpi->width, x + 4);
 
				int reps = (dpi->height - y + 1) / 2; // Number of lines.
 
				if (reps > 0) {
 
					this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter, _smallmap_draw_procs[this->map_type]);
 
					this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter);
 
				}
 
			}
 

	
 
			if (y == 0) {
 
				tile_y += this->zoom;
 
				y++;
 
				ptr = blitter->MoveTo(ptr, 0, 1);
 
			} else {
 
				tile_x -= this->zoom;
 
				y--;
 
				ptr = blitter->MoveTo(ptr, 0, -1);
 
			}
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