21-Jan-2007: FIX: crash when deleting empty tiles of middle parts of bridges FIX: wrong schedule entry pointer after loading FIX: crash when electrify before electrification FIX: citycars got stuck on slopes at height level -1 FIX: way remover with tunnels crashed at tunnel entry ADD: (prissi & kierongreen) transparent images for buildings, trees, and catchment area with an extended display dialoge (new strings: "hide transparent", "hide trees", "hide city building", "hide all building", "transparent station coverage", "show station coverage") FIX: improved citycar behaviour FIX: wayobj not dirty after creation => garbage on the screen ADD: shuffle for midis ADD: (kierongreen) colors for water height in minimap ADD: (kierongreen+prissi) better station coverage display in seperate layer FIX: removing way was free of charge ADD: new label enables land buying (cost by 'cost_buy_land' in simuconf.tab, default -100), help file now possible ('label_frame.txt') FIX: wrong images after diagonal tile after bridges and crossings FIX: snowy bridges start on slope was wrong FIX: max midi volume now 255 => no overflow FIX: (kierongreen) pillar position was plainly wrong ADD: (kierongreen) using SDL_mixer for midi (now also with Linux, if possible) FIX: crash during deletion of bridges and tunnel (although just fixed symptoms) ADD: waterdepths (needs new ground obj "Water", with n images, n=0 is uppermost, 1=depper, 2=even deeper, ... FIX/CHANGE: roads will not be overtaken, if they are not public property ADD: shadows for airplanes (still wrong at non-straight slopes)