Fixed, DB2 bug (partially): 4 settings were reset to the state saved in the program configuration after applying the changes made in the Preferences window.
Fixed: several Brushes were not disposed in ImageBrowserItem (DB2 bug) and ColoredComboBox, resulting in a very slow memory leak.
Fixed, Linedefs Mode, cosmetic: incorrect distance was used when calculating vertex insert preview opacity.
Changed, Script Editor: disabled indentation guides.
Probably fixed an exception when trying to check which program(s) lock the map file on Windows XP.
Changed: added an option to try to close all programs, which lock the map file when saving the map and the map file is locked (requires Windows Vista or newer).
Fixed, Preferences window: some trackbars had incorrect background color.
Fixed, General interface: in some cases status messages were almost immediately replaced by selection info messages.
Fixed, Edit Selection mode: sector highlight was not updated when switching from Edit Selection to Sectors mode.
Fixed, Edit Selection mode, UDMF: in some cases texture scale Y was flipped when applying/canceling changes made in the mode.
Probably fixed a crash caused by uninitialized Association when highlighting map elements.
Fixed, Comments Panel plugin: selection info was not updated when selecting map elements in the side panel.
Fixed, Tag Explorer plugin: selection info was not updated when selecting map elements in the side panel.
Fixed a typo in Hexen_things.cfg.
Fixed, long texture names: textures located in a directory/pk3/pk7 root can't have long texture names.
Fixed, texture selector controls, long texture names: both long and short texture names should be added to texture name auto-completion list.
Changed: "Grid Increase" and "Grid Decrease" actions can now be bound to mouse wheel.
Visual mode, GLOOME: wall/floor/ceiling sprites are now rendered closer to the way it's done in GLOOME.
Sectors mode, UDMF: some cosmetic tweaks to comment icons rendering.
Classic modes: linedef rendering is now skipped when it's visible length is very short.
General interface: fixed a possible crash when clicking on the warnings count label when it was updated from the background thread.
Changed, Visual mode: changed thing fog calculation logic. Should be closer to GZDoom now.
Fixed, GLDEFS parser: "height" texture parameter was not treated as optional.
Fixed, text lump parsers: in some cases incorrect line number was displayed in error and warning messages.
Fixed, Visual mode: glow effect was not applied to sectors with 3 sidedefs.
Fixed, Visual mode: in some cases glow effect was not updated when replacing textures.
Fixed, general interface: "Full Brightness" button state was not updated during map loading.
Fixed, Drag Linedefs/Vertices/Sectors/Things modes: positions of line length labels were not updated while panning the view.
Cosmetic: added a bunch of new icons.
Cosmetic: changed Visual mode crosshair.
Changed, Drag Linedefs/Vertices/Sectors/Things modes: line length labels are now displayed the same way as in Draw modes.
Changed, Drag Linedefs/Vertices/Sectors/Things modes: "lock movement to cardinal directions" mode (Alt-Shift-Drag) now locks movement in 4 directions instead of 8 and doesn't snap map elements to nearest grid intersections when they are not aligned to it.
Added, Visual mode, GZDoom, DECORATE: FORCEXYBILLBOARD flag is now supported.
Added, Visual mode, GLOOME, DECORATE: FLOORSPRITE, CEILSPRITE, WALLSPRITE, ROLLSPRITE and STICKTOPLANE flags are now supported (implementation is somewhat broken ATM and probably doesn't work the same way as in GLOOME, because Windows build with most these features is nowhere to be found...).
Fixed, Visual mode: in some cases Thing brightness was calculated incorrectly.
Updated ZDoom_DECORATE.cfg.
Added, Things mode: the editor will try to reconnect the path when deleting InterpolationPoints and PatrolPoints.
Internal: RenderArrows method now works the same way in Renderer2D and Renderer3D.
Internal: Line3D now has "renderarrowhead" property.
Changed, Things mode, cosmetic: tweaked thing sprite/bounding box appearance a bit more...
Fixed, Linedefs mode, cosmetic: fixed event lines and sector highlights flickering when view panning was started while displaying action highlight.
Changed, Things mode: things are now rendered with a bit of transparency, so things beneath other things are now visible.
Fixed, Things mode: in some cases it was impossible to highlight a thing beneath other thing when their positions were the same.
Changed, 2D modes: changed thing bounding box and arrow image.
Fixed, cosmetic, 2D modes: in some cases thing arrows were rendered bigger than thing bounding boxes.
General interface: selection info is now always displayed.
Visual mode: you can now hold Alt-Shift or Ctrl-Alt while selecting sidedefs to stop selecting connected sidedefs when already (un)selected sidedef is encountered.
Added, Numeric Textbox: you can now use "+++" and "---" prefixes to incrementally increase or decrease result values by given value.
Fixed, Numeric Textbox: fixed a potential divide by zero exception when using "/" prefix in numeric textboxes with decimal input enabled.
Fixed, Thing Info panel: relative z position of things with "+SPAWNCEILING" flag was incorrect.
Changed: Update checker now displays messages using MessageBoxes when called manually.
Map Analysis: changed result descriptions for Unknown Texture and Missing Texture checks.
Doom map format: renamed "Secret" linedef flag to "Shown as 1-sided on automap".
Updated ZDoom_DECORATE.cfg (A_RadiusGive stuff).
Sectors, Linedefs, Things modes: comment icons for appropriate map elements with comments are now rendered in these modes. This can be disabled using either the new "Toggle Comments" action, "View -> Show Comments" menu item, or "Show Comments" button on the main toolbar.
Changed, Edit Text window: the form is no longer accepted when pressing the Enter key, so line breaks can now be added easily.
Versioning: GZDB version is now determined by the first 2 revision digits, so now it's GZDB 2.3, not 1.14.
Changed: current 2D position and zoom is now stored in the .dbs file when saving the map and restored when opening it (should this be turned into toggleable option?).
Draw Lines mode, Draw Curve mode: you can now hold Alt - Shift to snap to 8 cardinal directions.
Draw Rectangle mode, Draw Grid mode: you can now hold Alt - Shift to draw square shapes.
Draw Ellipse mode: you can now hold Alt - Shift to draw circle shapes.
You can now hold Alt - Shift to snap to 8 cardinal directions while dragging map objects.
Fixed, Draw Lines mode: line angle is now displayed in 0..359 range (was -45..314).
Fixed, Linedef info panel: line angle is now displayed in 0..359 range (was -45..314).
Fixed, Sound Environments mode: fixed an exception when clicking on already selected child node in the sound environments list (I broke this in the previous commit).
Fixed, Sound Environments mode: the view now centers on selected sound environment when clicking on a sound environment in the list (I broke that when I've added proper sound environment names way back when).
Sound Environment mode: added "Show nodes with warnings only" checkbox to the panel.
Sound Environment mode: somewhat increased sound environment update speed by updating the list after all sound environments are updated.
Sound Environment mode: the list now scrolls to show highlighted sound environment.
Sound Environment mode: sound environments can now be (de)selected. Selecting a sound environment stops highlighting sound environments / scrolling the list when moving the mouse.
Fixed incorrect formatting of changelog messages displayed in the updater window.
Changed, Classic modes: models for things hidden by thing filter are now rendered with much lower alpha than the "regular" ones.
Changed, Sound Environments mode: previously selected sound environment is now automatically selected when inserting a new sound environment item. Also it's now impossible to accept the form without selecting a sound environment.
Changed, Sound Propagation mode: single-sided lines with sound zone boundary flag are now highlightable and clickable.
Changed, Linedef Edit window, Visual mode, UDMF: when "Edit windows remember selected tabs" setting is enabled and Front or Back tab was previously selected, the tab, which corresponds to the highlighted side will be selected.
Added: thing categories defined in Game Configurations can now be nested.
Changed, Thing Edit window: thing categories now use different icons.
Fixed: Thing Edit and Vertex edit windows had incorrect help links.
Fixed: Sound Propagation and Sound Environment modes had incorrect help links.
Documentation: updated "DECORATE keys" and "Things Settings" pages.
Visual mode, 3d floors: sloped 3d floors are now always rendered as opaque (just like in GZDoom).
Fixed a crash when creating a new unknown thing (introduced in r2324).
Documentation: updated "Action Argument Settings" and "DECORATE keys" pages.
Game Configurations: updated things in ZDoom "Bridges" category to use argument types 23 and 24.
Documentation: added "Action Argument Settings" page, updated "Basic Settings", "Map Format Settings", "Linedefs Settings" and "Things Settings" pages in Configurations -> Game Configurations group.
Documentation: updated "DECORATE keys" page.
