Mappy - Win32 1.2 documentation

Index:

  Welcome
  Disclaimer
  Features
  Quickstart
  How It Works
  Using Mappy as a simple map editor
  Design Considerations

  The File Menu
  The Map Editor Window
  The Block Editor Window
  The Edit Menu
  The MapTools Menu
  The Brushes Menu
  The Layers Menu

  The Playback Libraries
  The FMP file format
  The MAP file format
  The mapwin.ini settings
  Troubleshooting
  Hints and Tips
  Glossary
  Version History


Welcome


  Thankyou for using Mappy, hopefully you will find it a useful tool in creating your own games. This software is freely distributable, and you may use it and the accompanying playback libraries freely with no licence, the only restriction is that you are not allowed to charge for this editor or the playback libraries, or distribute a modified version of this editor without the author's consent. You may, of course, use the playback libraries and maps you create as you wish.

  What is it? Well, I have tried to make the most comprehensive and powerful 2D tile map editor about. The idea is that you make some graphic 'tiles' of a set size (such as 32pixels wide by 32pixels high) with some paint package in such a way as to be able to put them in a grid so they form a large area. You can assign properties to these tiles so that maybe a sprite (a graphic on the screen) can't go over certain tiles, or maybe goes under one tile, but over another. You can also animate tiles and lots more besides. If you don't find Mappy suitable for your needs, or have suggestions for it, please email me about it.

  There are several playback libraries available that you can incorporate in your games which make display and animation of the map easy. These playback libraries are available from the Mappy site, and include MappyDX (for DirectX SDK C and C++ programmers and CDX users), MappyAL (for Allegro programmers) and many others.

  Please take the time to look at this documentation  If you want to contact me, please email the address shown when you select 'About' from the 'Help' menu or the address on the Mappy homepage. The current Homepage for Mappy is: http://www.geocities.com/SiliconValley/Vista/7336/robmpy.htm or http://www.rbsite.freeserve.co.uk/robmpy.htm or if all else fails: http://surf.to/mappy

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Disclaimer

  This software and associated files are provided 'as is' with no warranty or guarantees of any kind, you use them at your own risk and in doing so agree that the author is in no way liable and cannot be held responsible for any loss of time/data/hair or anything else that may occur either directly or indirectly from the use of this software or associated files.

  Sorry about that, but I don't think it's fair that I get sued for something I release for free, just remember to keep backups and you'll be fine. I have never lost any data or files or had Mappy screw anything up, just be aware that if it does I can't be held accountable :)

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Features

Note: These are the features for Mappy Win32 other platforms and versions have slight differences in features, but all make the same FMP files...

  Single FMP file format compatible with all versions of Mappy and playback libraries
  User definable MAP file format for compatibility with other systems
  Supports 8/15/16/24/32bit colour modes
  Supports all resolutions
  Supports still and animated tiles
  Supports tile sizes of 8*8 upto 128*128, including non-square tiles
  1024 tiles, AND 2048 anims available
  Easy to use interface
  Fill (with still/animated blocks, brush (multi-block) and random from brush)
  Zoom (1x, 2x and 4x)
  Hotkeys and keyboard shortcuts, inc pickblock and next/prev tile
  New, Cut, Copy and Paste
  Brush an area, then draw with it!
  Various playback libraries to use with your games to load and display the FMP map file
  All colourdepths converting (display 8bit maps on 16bit screens? no problem)
  Import and Export individual components
  Resize map array with recentering (nice)
  Undo (and Undo-undo :)
  Grid, for easy positioning/tile recognition
  Onion skin transparency
  Tidyup/space functions, gets rid of unused data
  Map information, see exactly how much space things are using
  DirectX preview (MappyWin32 will run without DirectX except preview), scroll around your animated map on any valid DirectX mode (all valid modes for your system are listed), includes parallax layer for transparency checking. On my relatively lowly 200Mhz K6 I can run my monitor rate of 75fps in 800*600*16 with all layers and parallax, and the playback lib MappyDX is faster yet
  Layers, 4 for each block, 8 in the map including transparency and depth.
  Expansive and useful documentation (surely the best feature?)

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Quickstart

  I have not been able to get Mappy to run properly under Win3.1 and Win32s and as I don't have this setup I can't really do anything about it, sorry, though it works fine under 95, 98 and NT. You will need your desktop in 15bit colour or higher (high or true colour, the more colours the better). Double click Mapwin.exe to start it. You will see Mappy open at the default 640*480, you can resize the windows as you like, also note you can specify your own size on startup, see mapwin.ini settings. If you just want to try out Mappy and aren't doing anything serious yet, you'll find it pretty easy to use. Select 'Open' from the file menu, or simply press Ctrl+O, you should see the file test.fmp, double click it and it will be loaded into the map editor.

  You should now see the map in the Map Editor (left) window, and the still blocks in the Block Editor (right) window. If you have a high resolution desktop and the tiles look a bit small, select a 'Zoom' from the MapTools menu. Click the left mouse button over a block in the Block Editor (right) window, you should see a black and white rectangle appear round it, indicating it is the active block. Now move the mouse over to the Map Editor window and click the left mouse button to place the block in the map. You can hold the left button down and move the mouse to 'paint' with the block. Try scrolling around the map with the cursor (arrow) keys, or using the sliders at the right and bottom edges of the Map Editor window. You can undo the last action you made by selecting Undo from the Edit menu (or simply Ctrl+Z), you can undo your undo by selecting it again. If you are having trouble seeing where tiles meet, select Grid from the MapTools menu, blocks in the Block Editor window will now have an outline, and the block the mouse pointer is over will be highlighted in the Map Editor window.

  One of Mappy's best features are animated blocks, to see them click the right mouse button in the Block Editor window, you should see the title of the window change, and any animated blocks will be displayed, you can select and use them just like still blocks, you can right click again to get back to the still blocks. In a new project, there are no animated blocks to start with, you should switch to the animated blocks window, and select 'New' from the Edit menu.

  Handy shortcuts are to use the ',' and '.' keys to select the previous/next block and the 'p' key to select the block the mouse pointer is currently over in the Map Editor window. Although I'm not going to cover this in the quickstart, you can double click the left button on a still or animated block in the Block Editor window to edit it's properties, try it on both types to see the options. You can use any of the options in the Edit menu to manage the blocks, normally you would do this before drawing the map area, although Mappy does try to be 'smart' in minimizing unwanted alterations to the map.

  Now let's try something a bit more advanced, select the first 'Brush' from the Brushes menu (you will see it has a tick, or check mark next to it when you select it), then the Grab Brush option from the same menu (Ctrl+B) now position your mouse over the corner of the area you want to brush in the Map Editor window. Click the left mouse button and hold it down and move the mouse to the opposite corner of the area you want to grab, you should see a 'bounding box' indicating the area. When you have the area you want selected, release the left mouse button. You can now paste that brush anywhere you like with the left button (the brush will not be pasted if part of it would go off the edge of the map) the top left of the brush will be at the mouse pointer. Note that any 'block 0' blocks in the brush will be treated as transparent so you can have non-rectangular brushes, unless you disable this with the option in the Brushes menu. You can name the brush if you want. You can also use brushes for filling, find an area with a number of identical blocks next to each other (the black areas are good), place the mouse pointer over the 'starting block' and press the 'f' key, that area will now be filled with the brush, over and over with the top left of the brush where the mouse pointer is, try it and see. Undo the fill with Ctrl+Z, now do the same, but press Ctrl+F, the area will be filled with random blocks from the brush.

  You can try out the other features as you like (especially the rather cool Anim Preview from the MapTools menu), when you decide to do a map you want to use, please read the rest of this documentation, it contains many more details such as design considerations, layers and transparency. I'd really like to hear what you thought of Mappy, please email me your comments, good or bad, Robin Burrows

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How It Works

  I have designed Mappy to hopefully be expandable, produce small mapfiles with lots of features, and most importantly be fast and easy to playback. The FMP format (how the maps are stored) is a 'chunk' based format which allows all the information for the map (graphics, array, anims, block data etc) to be stored in a single file, you can also add your own chunks to this file if you want, more details in FMP file format.The playback libraries then provide functions to load and play the map within your game. MappyWin32 can now read and write custom MAP formats, see Using Mappy as a simple map editor.

  The map editor comes in several versions, this documentation is concerned with the Win32 version. To make a FMP map from scratch, you will need to make, or get some 'tile graphics' (if you don't know what some of these terms mean, see the glossary) in uncompressed BMP format and import them into a map (see next section). It is important to be aware of the hierarchy of the objects within Mappy, you have the top level which is the Map Array (this is shown in the Map Editor window), the elements in that are short int offsets to either Block Structures if they are positive, or Anim Structures if they are negative, Anim Structures contain offsets to Block Structures, Block Structures have 4 offsets to the Graphics Blocks (amongst other things).

MapArray ------> Block Structures --------> Graphics Blocks
......\............................/
........\Anim Structures/

  That's about as much as you need to know if you don't intend adding your own objects, linked lists etc and are going to use the playback libraries.

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Using Mappy as a simple map editor

  Mappy is designed for creating and editing FMP maps, these have all the features listed in the features section, and this is the format supported by the playback libraries. However, sometimes you may want to use a simpler format, and in Mappy this is MAP.

  New in version 1.2 of MappyWin32 is the ability to edit 'simple' maps. These maps lose nearly all the features of FMP, but you can use them without a playback library, often with the built-in functions of other packages. These maps have the .MAP extension, rather than .FMP, and only contain the width and height of the map array (optional) and the map array itself in a format of your choosing. When editing a MAP you should not use features of Mappy that can't be saved in a .MAP (such as animated blocks, layers and block properties) as these will be lost on exit. To configure the format of the .MAP files see the MAP format section.

  To create a new simple MAP, ensure you have set the correct format (see mapwin.ini) and use New Map from the File menu. Next, select Import from the File menu, and choose your BMP file with the blocks in, answer 'Yes' to make new block structures. You can now edit the map. To save a MAP rather than a FMP, simply select 'Save as' from the File menu, but type the name to save with a .map extension, for example level1.map you will be notified you are saving a MAP. That's it! You can now use the 'Save' option to save your map with the same name. Please note that if you have a negative adjustment when you save the map, any blocks that would be made negative become 0, for example, with -1 adjustment, block 0 will not change on save, all others will become 1 less. On load, all become +1 so there will be no block 0. This may sound confusing, but really it just means block 0 will become block 1 so don't be surprised when you reload the map (block 0 is not valid with -1 adjustment) try it and you'll see...

  To load a .MAP, simply select Open from the File menu and open it. For the tiles, Mappy will try to load the mapdefBMP specified in mapwin.ini, if that doesn't exist, it will try the map name with a .BMP extension (so level1.map will try level1.bmp in the same folder), if these don't exist it will ask you for a BMP file to use.

  Most of the rest of this documentation is to do with FMP files, which have much more advanced features, so if you are just doing a MAP they are not relevant.

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Design Considerations

  Before spending hours on a huge project it is important to think about various aspects of it, what size are the tiles going to be? What resolution(s) and colour depth(s) is the game going to run in? What sort of view is it going to have (overhead, side, oblique, isometric)? How are the other game objects going to interact with the map? If you haven't done many tile based games before, it may be best to do a very simple pacman or shootemup project, just to get the hang of things, design is everything.

  Colour depth and tile size cannot be changed easily once set, (but see hints and tips for a neat way to do this). I would recommend that the width of the tile is a multiple of 4 (better memory alignment), try 16pixels wide by 16pixels high for low res games (320*240, 320*200) or 32*32pixels for 640*480 screen resolutions.

  Remember that computers are advancing all the time, try to support multiple colour depths and resolutions (if you think it's worth it), also consider doing your map in 24bit colour even if you are aiming for a 16bit screen, with an option to select any high colour depth, MappyDX supports colour conversion, check the docs for the other libs, of course, 24bit colour uses more disk space than 16bit. If you are aiming for a lowspec machine with a low resolution (such as VGA 320*200) use the Zoom option to get a better idea of the graphic size in Mappy, also if you know you aren't going to be able to access the video acceleration on the videocard (for example using VESA under DOS) bear in mind there will be a huge performance hit (the Anim Preview in MappyWin32 uses DirectDraw blitter acceleration found on almost all graphic cards)...

  The FMP file is ready to use from the first time you save it, so it makes sense to develop your game code at the same time as the map so you can see how things work and how fast they go, also remember to adjust the preview setup in MappyWin32 to the screen res. you are going to use...

  When making your graphics for tiles, use a picturesize that is a multiple of the tilesize, for example 32*32 and 16*16 tiles fit nicely on a 640*480 or 320*240 picture. To import them into Mappy they will need to be lined up in a grid (export the tiles from the example map as a BMP and load them into a paint package to see how to do it, completely black tiles are ignored).

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The File Menu

  This has the standard file features such as Open (open a .FMP or .MAP mapfile for editing), Save (saves current .FMP or .MAP file under it's current name, if it hasn't been named this is the same as Save As), Save As (requests a name to save the map, .FMP will be added if you don't type it in then saves it), Exit (quits Mappy, same as clicking the cross gadget in the window titlebar, you will be warned if you have modified a map but not saved it), and some Mappy specfic ones, which are:

  New Map. Brings up the new map dialogue where you choose settings for the new map, you should have carefully decided on the values you enter here (see Design Considerations). Either the default values will be shown, or the values for the currently loaded map (currently loaded map will be cleared from memory if you OK from New Map), you can modify these values to any legal value, the first number (tile width) should be a multiple of 4pixels (8bit) or 2pixels(other depths). You can change the colour depth by clicking the displayed one and selecting a new one from the dropdown list. Note: Your Windows desktop doesn't need to be in, or support, that depth, your Windows desktop does need to be in high or true colour though (yes, even for 8bit maps :). The only values that can currently be changed after creating the map are the map width and height via Resize. When you 'OK' you will be given a map filled with one block (shown in the Block Editor 'still' window) this is a special block, you can edit it's properties (by double clicking) but not give it any graphics or delete or move it from the first position. Now may be a good time to check 'Map Information' in MapTools to see how much space is being taken up.

  Import. This is used to get your tile graphics into your map, at the moment it only supports uncompressed BMP files, if you have an 8bit map you can only import 8bit BMP files (and the colour palette will be taken from the most recently imported one), in other depths you can import both 8 and 24bit uncompressed BMP files. There are plenty of conversion utilities out there if you are using a different picture format. You can import more than one BMP file, when you have selected the BMP file to import, you will get the question: "Make all imported graphics into NEW block structures?" If you answer 'Yes' new blocks will be created in the Block Editor 'still' window that have each new graphic tile as the BG (see Block Structures in the glossary), if you answer 'No' you will be asked: "Replace existing graphics?". Answering 'Yes' to that will write over the current map graphics (except the special first one), the most common reason to do that is when you have updated the map graphics. If you say 'No' to replacing existing graphics the new ones will be added to the map, but won't be visible until you incorporate them into a Block Structure.
  You can also import Map Array layers (click the 'Files of type' arrow in the file requestor). These MUST have been previously exported from this map, and you must not have altered the blocks.

  Export. You can export individual parts of the map as separate files, which you may need for various reasons, though the playback libs use the FMP files. There are five checkboxes, click them to indicate you want to export that particular item (they will be given the same name and be put in the same directory as the map file, so if your map was called test.fmp, the colour map would be exported as test.cma any file with that name will be overwritten!). The colour map is exported as a 768 byte file containing 256*3byte values of 0xRRGGBB, this is the same as the CMAP chunk of the FMP file. The Anim and Block data is exported as a long int offset to the split between the anim and block structures then the anim info, then the block structures. The map array is simply an array of short ints mapwidth wide by mapheight high, so a 100*100 map would produce a 20000byte .MAR. Block Graphics (.GFX) are all the raw blockgraphics one after the other, so that's blockwidth*(blockdepth/8)*blockheight*numblockgfx.Block Graphics (.BMP) is a standard uncompressed BMP file in 8bit (if the mapdepth is 8bit) or 24bit for any other depth, you can specify how many blocks per row and this will affect the shape of the BMP file, this is useful for modifying the graphics, then re-importing them.

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The Map Editor Window

  This will show how the map is layed out, and allow you to edit that layout. Simply select a block, anim, or brush and paint with it by clicking the left mouse button on the square where you want to place the tile, you can alter more than one square by holding down the left mouse button and moving the mouse. You can fill an area of blocks with either a still block, anim block or brush (depending on what is currently selected as your drawing item) by pressing the 'f' key (make sure caps lock isn't on) when the mouse button is over the block you want to start the fill with. You can also fill randomly from a brush with Ctrl+F, you can weight blocks by having more than one in a brush (try and see, you can undo a fill with Undo, Ctrl+Z). Another handy shortcut is to press the 'p' key while the mouse pointer is over the block you want to pick in the Map Editor window, this will now be your current block/anim. You can select the next/previous block/anim by pressing the ',' and '.' keys.

  You can move the area seen in the Map Editor window by either using the scrollbars on the right and bottom edges of that window, or by pressing the arrow (cursor) keys, hold them down to scroll along. When you get to the right or bottom edges of the map you will see a grey area which cannot be modified.

  Information about the block under the mouse pointer is given in the window title bar, T=1 means BG transparency is set for that block.

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The Block Editor Window

  This shows all the still and animated blocks that have been created, you can toggle between the still and animated screens by right clicking the mouse over the Block Editor window. To select a block or anim, left click the mouse button on it, you can now draw with it in the Map Editor window. Remember to turn the grid on (Ctrl+G) if you have trouble telling where the block boundaries are. You can add a new block/anim, cut copy and paste (all in the Edit menu), new and paste put the block after the currently selected one. Note that cutting a block will remove any references to it from the map array (they will be replaced with a reference to block 0), and pasting it will not put them back, so it's usually best not to cut blocks you are using in the map array. Also note that cutting a block does not remove the graphics it was using. Undo does not work when editing the Block Editor.

  You can see more blocks/anims by scrolling up and down with the scrollbar on the right of the Block Editor window.

  To edit a block structure, double click it in the Block Editor indow.Depending on whether it is a still or animated block, you will be shown a dialogue giving details about it and allowing you to change it.

  Editing Properties of a Still Block. You will be shown the block you double clicked, along with it's properties. The numeric information is not used by Mappy and is entirely for your own use, as are the four collision detection, and 'other' bits. The BG transparency box inidicates whether BG transparency is taken into account (you will nearly always check that in block 0 if you plan to use transparency, as well as any blocks that have a transparent colour in the BG graphic). In the bottom left, you will see the four layers of graphics that make up the block's appearance, simply click them to pick a new graphic, BG is used as the back layer, you will probably only want to use the first FG layer, this allows you to draw the map in layers in the playback libraries, sandwiching sprites between them to give depth. You can go to the next/previous block by clicking the arrows next to the OK button.

  Editing Properties of an Animated Block. Double clicking an animated block in the Block Editor window brings up this dialogue. Animated blocks are made up of a sequence of still blocks, you do not pick graphics when you edit them, but still block structures. The reference block is how the anim appears when it is not animating (such as in the Block and Map Editor windows), click it to change. Below that is the sequence of still blocks, there is a black and white 'C' shape indicating where frames will be inserted and deleted, simply click where you want to insert or cut, then click the Insert or Cut buttons. Clicking Insert will take you to another dialogue where you can pick up to 30 frames to insert (you can have more than 30 frames in an animation, just click insert again). When you OK, you are returned and the new frames will be shown, with the edit point 'C' cursor at the end of the new frames. The Delay is the number of calls to UpdateAnims before the next frame is used, so the higher it is the slower it will animate, the actual speed is determined by how often you call UpdateAnims (a playback library function), you can get a rough idea with Anim Preview from the MapTools menu. To the right of Delay is the style of animation, click to change, LOOPF continually loops forward, ONCE only plays the anim once (this is so your game can trigger an event), PP pingpongs between the start and end frame via the middle ones.

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The Edit Menu

  This contains New, Cut, Copy and Paste for use with the blocks in the Block Editor window (see Block Editor for how those work). Resize, which allows you to resize the map array of all layers. Before resizing it is advisable to save the map as you can't Undo it (though you can resize back to the original size). The Resize dialogue shows 9 buttons on the left which show which edges rows and columns will be removed/added to, be sure that the Map Centering text at the top shows the correct number (the default is 5, rows and columns will be added/removed equally from all sides to make the new size map). If you select centering as '1' (top left), columns will be added/removed from the right and bottom edges. Select the new size by entering the numbers in the width and height boxes, then OK to resize, or Cancel to keep the old size.

  Undo is very useful, but doesn't work on everything, it will undo everything since the last left mouse click in the Map Editor window (including the area you can't see), especially useful for undoing Fill or when you 'paint' by holding the mousebutton down.

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The MapTools Menu

  There are all sorts of goodies in here, the first is Map Information. This allows you to put your name and a 3 line description of the map, the length of each line is limited to 68 characters, this information is saved in the FMP file. Below is how much memory each type of object is using in the map along with the total space used for those objects.

  There are then two options for previewing the map in DirectX, you must have DirectX3 or greater installed to use this. First, choose Preview Setup. Select the screenmode you want to use from the list, these are reported by DirectX so only valid ones are shown, it defaults to whatever you set as apmode in mapwin.ini, bpp is the depth of the map pick whichever you like, preferably the one your game is going to run in, beware that running excessively high resolution modes on monitors not designed for that mode may damage the monitor. Check the boxes below for which block layers are drawn (the default is background (BG) with the first foreground layer). Below are the transparency options, check the box to enable transparency on the preview, if you want a parallax layer (very handy for checking proper transparency) enter the number of the GRAPHIC (this may not be the same as the block number, 0 will be plain black or colour 0, you can see what the graphic numbers are by editing a still block, clicking on the BG image and looking at the list) this will be repeated over and over in any transparent regions (remember to check the BG transparency box, in the Block properties editor) and move at half the speed of the other layers creating a rather lovely effect. There is also a box specifying the logic rate, leave this at 0 if you want the logic to match the monitor refresh rate, or specify your own. If you are making a game you usually can't rely on the refresh rate of the monitor to regulate speed as it varies (so speed will vary on different machines). Most games update internally at a set rate (try 100fps) which unfortunately leads to jerkier movement but at least the speed is the same on all machines. Anim Preview allows you to scroll around the map (starting at the point where the Map Editor window is currently viewing) and see the animated blocks, er, animating as well as the transparency.

  Range Edit Blocks allows you to selectively adjust a set range of block structures. This is particularly useful for making blocks foreground/transparency blocks. It is simple to use, type the numbers for the start and end of the range of blocks you want to alter, then adjust ONLY the things you want to change. If any of the checkboxes are greyed out, or the user fields are completely blank the information in each block will be left unaltered. For more information on these fields, see Block Editor.

  Change Colour Key lets you change the colour index, or value of the colour used for transparency. This is now saved and loaded with FMP maps. The value defaults to the value in the .ini file, or is loaded from the FMP map if it has one. There is one small 'feature' here, if you have a colour like FF00FF as transparent (R=255, G=0, B=255) and you are showing a 16bit map on a 24 or 32bit screen you will need to modify it to only 5bits (F800F8). When you have OK'd the setup, it will remain in effect until you change it or exit Mappy, and be used when you select Anim Preview (DirectX) from the menu. This colourkey is saved with the FMP.

  The Remove unwanted options are handy when you have completed a map and want to reduce it's size. Make sure you have a backup! If you select remove anims, any anims that aren't used in the map will be removed, this probably won't save much space on its own, but when you remove graphics you could save a lot more, be careful, if you have made an anim sequence that is inserted into the map in realtime by your game, it will still be deleted if it is not in the map. Remove blocks removes any block structures not used by the map array or anim sequences. Remove graphics removes any raw graphics not used by block structures, this will make the biggest saving if you do these processes in the order just described. To check these savings, view Map Information before and after doing this.

  Grid and Zoom have already been described in other sections. When Grid is checked, blocks in the Block Editor window have an edge round them, and the block under the mouse pointer is highlighted in the Map Editor window. Zoom shows things at normal size when Zoom x 1, twice normal at Zoom x 2, and four times normal size at Zoom x 4.

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The Brushes Menu

  Often you will have 'objects' that consist of several blocks, maybe a house or road or something, there is an easy way to put these in. First, put the blocks in the Map Editor as they are supposed to be layed out, then select a brush from the Brushes menu (it will then have a checkmark next to it), and select Grab Brush or press Ctrl+B, move the mouse pointer over one corner of the object you want to pick up as a brush, then hold down the left mouse button and move the mouse pointer to the opposite corner, you will see a bounding box as you do this. Release the left mouse button to finish picking the brush. You can name/rename a brush at any time by selecting Rename Current Brush. Now you will be able to paste the whole object anywhere on the map with a single click, the block the mouse pointer is over will be the top left block of the brush you are pasting. You can reselect the brush at any time by selecting it from the Brushes menu, they are also saved with the map so you can use them when you load it next time. You can Fill with a brush as well, either tiling, or randomly, see Map Editor Window. If you want to save a bit of space (and it will be a very small amount) choose the Destroy All Brushes option.

  Grab brush from block sequence allows you to make a brush from consecutive block structures without having to get them from the map.

  Disabling the brush transparency means that block 0 parts of the brush will overwrite when pasted rather than not affecting the map.

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The Layers Menu

  There are two different layer systems in Mappy, one is Block Layers, which are the four layers associated with Block Structures, the other is Map Layers, which is what this menu manipulates. Map Layers are identical in size and shape to the numbers you specified in New Map's map width and map height. The idea is you can use a layer for games objects (like pickup items) or perhaps changes in a level when a lever is pulled in the game. The options in this menu are fairly self explanatory. If you just want to do a load of levels for a game with the same graphics and blocks, you can export the map array (the current layer) and this will be much smaller than a whole .FMP file.

  Note you can export and import layers as .MAR files, but the map you are working on MUST have identical blocks and be the same size. This is handy if you are doing a 100 level game as Mappy only handles 8 layers internally.

  The onion skin option allows you to see transparently through a layer to one other selected layer. It's best to keep this feature off if you aren't using it. The current layer (ie the one which has the tick next to it in the layers menu) is the top layer which will be the one altered. The background layer is selectable in the Onion Skin dialogue and will be shown behind the current layer, you can optionally make this appear darker so the current layer stands out more. The background layer is drawn as a guide and will not be altered when you are editing the current layer. Remember to switch it off when you've finished, and selecting a layer that doesn't exist for the background is not advisable :) Loading a map will switch off onion skin.

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The Playback Libraries

  A large part of Mappy are the playback libraries, these allow you to easily load, manipulate, display, animate and scroll maps help in .FMP files with a few simple function calls. You can get these from the Mappy Homepage, all source is supplied so you can modify them as you like. At the time of writing, there are MappyDX, for C++ compilers with the DirectX SDK, this editor uses a modified version for its Anim Preview, MappyAL (older versions were called MappyPB), MappyJV, MappyGL, CDXMappy and SDLMappy. You do not have to use these libraries, you could write your own, but they are very convenient, and MappyDX is pretty fast, too.

  The playback libraries are also an excellent way to add more abilities to the editor. For example, you could build a sprite editor with them for your game.

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The FMP file format

  This is technical information about the FMP file structure. You do not need to know this if you are using the playback libraries

The first 12 bytes are as follows:
4bytes ASCII = 'FORM'
long int = size of file less header (which is filesize-8)
4bytes ASCII = 'FMAP'
NOTE: The chunk size long ints like the one above are stored in Motorola format, NOT Intel. You will have to byteswap to get the correct value, ie: Bytes 1,2,3,4 need to become 4,3,2,1.

The chunks in the file follow on one after the other, and consist of an 8byte header, and the information specific to that chunk. See how the playback source reads in the information. The chunks can be in any order, and some chunks may not be used in a particular file. Also, don't rely on chunks being a certain size, for example the MPHD is now 4 bytes bigger than in the last version

Chunk header:
4bytes ASCII = ChunkID (example: 'MPHD')
long int = size of chunk data less header

These are the chunks as of V1.2:
ATHR - Up to 4 ASCII strings of author information, separated by 0 values, always an even size.
MPHD - Map header, see struct in mappy.c
EDHD - Editor information, see struct in mappy.c
CMAP - Colour palette for 8bit maps, red byte, green byte, blue byte for however many colours are needed (so usually 256*3 bytes).
BKDT - Block data. Contains BLKSTR structures for however many block structures were made.
ANDT - Animation data. Contains ANISTR structures for however many animation structures were made, and also animation data.
BGFX - The raw graphics in whatever format the map is in. Examples: 8bit: mapwidth*mapheight bytes per block, in forward format *numblocks 16bit: mapwidth*mapheight*2 bytes per block, each word contains 5 bits red, 6 bits green, 5 bits blue.
BODY - An array of short ints containing positive offsets into BKDT, and negative offsets into ANDT.
LYR? - Where ? is an ASCII number form 1 to 7. These are the same size and format as BODY, and allow object layers to be used.
You can add your own chunks to a map file, if you load it into mappy, when you save it, those additional chunks will be saved in the file, but not necessarily in the same place as before.

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The MAP file format

  MAP is a user definable format which you can use for basic maps. To define the format you need to change the maptype line in the mapwin.ini file to how you want it. The values are between the quotes and the default: "LW4H4A4-1" is the usual format for CDX maps. What is this cryptic rubbish? The first letter is either L or M and specifies the endianness of the MAP file, for Intel this is L, for Motorola M. The next parts are letters followed by numbers, currently you can have:

W = Width of map in blocks, the next number is size of this field in bytes
H = Height of map in blocks, the next number is size of this field in bytes
A = map array, the next number is size of each cell in bytes, the number after that is the adjuster, if the blocks look wrong, you can adjust them up or down to match them up, -1 normally compensates. The array is stored in plain number=block form.

  So, for example, if I ONLY wanted the map array in bytes I might use "LA1-1". This means L=Intel format, A1-1=Array 1 byte per cell, with -1 adjustment. If I wanted to be strange I could have "MW2W4H4H2A20" which is M=Motorola format, W2=Width as 16bit, W4=Width as 32bit, H4=Height as 32bit, H2=Height as 16bit, A20=Array 16bits per cell, 0 adjustment.

  It is very important to set the other 'map' values correctly in the mapwin.ini file.

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The mapwin.ini settings

 The mapwin.ini file is in the same folder as the mapwin.exe file (the MappyWin32 map editor). Use Notepad or another plain text editor to change the values to your settings then save. You must restart MappyWin32 to use the new settings (not the whole computer, just Mappy). These are the current settings:

Width and height are the starting size of the Mappy window, usually you'll want to change these to the size of your desktop
width = 640
height = 480

Start editor with grid on (value 1) or off (value 0)
grid = 1

Start editor with x1 zoom (2 = x2, 4 = x4)
zoom = 1

Starting colourkey value for 15, 16, 24 and 32bit maps
transred = 255
transgreen = 0
transblue = 255

Starting colourkey index for 8bit maps
trans8bit = 0

Default setting for Anim Preview
apmode = "640*480 8bpp ?hz"

You will probably want importskip = 0 when working with MAP files! When it is 1 it ignores completely black blocks in the BMP file
importskip = 1

See MAP file format for detailed description of maptype
maptype = "LW4H4A4-1"
It is vital to set mapdefw to the width of your map (in blocks) when working with MAP files which DON'T contain map width (W)
mapdefw = 100
It is vital to set mapdefh to the height of your map (in blocks) when working with MAP files which DON'T contain map height (H)
mapdefh = 100
It is vital to set mapdefbw to the width of your tiles (in pixels) when working with MAP files
mapdefbw = 32
It is vital to set mapdefbh to the height of your tiles (in pixels) when working with MAP files
mapdefbh = 32
If you want to, set this to your tiles bitmap for MAP files, see Using Mappy as a simple map editor
mapdefBMP = "nodefault.bmp"

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Troubleshooting

  The map editor always starts in 640*480 and it's a pain to resize the windows every time. See the mapwin.ini section.
  You import more graphics, but the colours change and appear wrong in 8bit. This is due to using different colour palettes.
  You have a high/true colour map, but the transparency colour isn't transparent. Change the colourkey in Maptools to the correct colour, also see the warning in Block Editor.
  Mappy appears to be working, but no graphics appear anywhere. I noticed this on Win3.1 with Win32s, don't know why, if it happens to you email me about it.
  Something appears to be wrong with the FMP file you made. email it to me and I'll take a look.
  Transparency doesn't seem to work in the Anim Preview. Make sure you have the transparency box checked and the correct index/colour value is shown, also make sure blocks with transparent BG colours has the BG transparency box checked under Block Properties.
  The anim preview seems jerky/slow. This could be due to a number of things, poor DirectX drivers for your card, some windows background application hogging your CPU time or just trying to do too much. The preview is just that, it's to give a rough idea of how the map will look. It is worth noting that the example map, test.fmp, uses 16*16 blocks which are fairly inefficient for 640*480 or higher resolutions, 32*32 block maps should give much better results in 640*480.
  You can't use the exported files in the playback libs, only the FMP ones, if you want to use exported components you'll have to write some additional functions.
  The colours look all wrong in the Anim Preview. Try not to display high colour maps on an 8bit screen, you can do it in the playback libs, but no palette is set in Anim Preview.

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Hints and Tips

  Edit the file called MAPWIN.INI that's in the same directory as Mappy with NotePad. Change the numbers to suit. see mapwin.ini settings.
  If you want to change the graphics tiles in a .FMP (either the size or colour depth) a smart way of doing this is to export your map layer(s) as .MAR files, then make a new map with the new settings, and arrange the block structures into the same order as the old map, then import the old .MAR files.   Don't have absolutely huge maps, a 1000*1000 block map with tiles of 32*32 pixels is stupidly big, and uses 2Mb of memory for each Map Layer, plus it will take forever for you to make it :)
  Please read the documentation, see how big it is? It's not all waffle. In particular read the Design Considerations part.
  Please let me know about your projects you are making with Mappy, I'm interested to see how it is used. Also, any bugs are only likely to get fixed if they are reported, so don't keep them to yourself, email me.
  Hmmm, need some more tips really, want to add some?

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Glossary

 

  Anim Structure a 16 byte structure and associated list of frames (Block Structure offsets) of unknown length
  Block I have tried to make 'block' mean the block structures for this documentation
  Block Editor The window that allows you to select and edit both still and animated blocks. Right clicking the mouse on it toggles between still/animated
  Block Structure a 32 bytes structure that acts as information about a particular block, it is referenced by the Map Array and Anim Structures, and in turn references the raw Tile Graphics
  BMP Standard Windows graphic file format, MappyWin32 only imports and exports 8bit and 24bit uncompressed versions (Other colour depths are imported/exported as 24bit) currently
  FMP Flexible MaP format, a collection of all the information needed to render and animate a map for a game.
  MAP MAP format, a very basic user defined format for compatibility with other systems
  Graphics Blocks See 'Tile'
  Map Array an array of short int (16bit) values that reference Block Structures (when positive) and Anim Structures (when negative). There can be up to 8 layers of this array by using the Map Layers
  Map Editor The window where you fill in the map array using the various tools provided
  Map Layers There can be up to 8 layers of the map array for objects, ingame changes, etc. Normally you would only have 1 or 2 layers. These can be selected and changed in the Playback Libraries
  Mappy A 2D tile map editor with lots of features, this is the Win32 version but there is also a DOS and WinAllegro version
  Playback Library these are available separately for free at the Mappy homepage, there are several versions for different platforms, they provide an easy way to access the map in your game
  Tile I have tried to make 'tile' mean the raw graphics the block structures use for this documentation
  Tile Graphics All the graphics information for the map

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Version History

 1.2
Now supports swapped mousebuttons
Fixed remaining alignment problems with BMP padding
You can now use any colour index (0-255) for 8bit transparency
Changed animprev.cpp to animprev.c, so source is now all in C
Compiled with mingw compiler (www.mingw.org, smaller exe)
Added user definable .MAP format
You can now name brushes
Various mapwin.ini additions
Colourkeys are now stored in FMP and can be changed from MapTools menu
More options for Range Edit Blocks

 1.1
Expanded max number of graphics for anim preview (now 4096)
Fixed outline when grabbing a brush in zoom mode
Upped graphics buffer from 2Mb to 4Mb
Added a few options to do with brushes
Tidied up display functions to cope with non-multiple of 4 graphics
Added more information to map window titlebar
Block Editor window now displays more than one column of blocks

 1.0
Finally got rid of the bug that meant if you clicked LMButton in Mappy, but released it outside the window it wasn't detected and stayed on
Added Range Edit Blocks to MapTools (apply changes to many blocks at once)
Added Clear Layer function to Layers
Added Import At function to File
Added ability to re-import .MAR files
Added Logic FPS setting to anim preview
You can now import Map Arrays (.MAR) with Import

 1.0BETA3
Have altered menus and dialogues to be more 'Windows-like'
Loading and saving now preserves unknown chunks
Improved documentation about 'edit menu'
Onion Skin feature (see Layers Menu)

 1.0BETA2
Altered info in 'About' box
Import now warns of incorrect bitdepth
You can now undo after using arrow keys
Menu functions now don't crash when no map is loaded
High/TrueColour transparency colour is now selectable via .ini file
4x Zoom added
You can now associate .FMP files with Mappy and double click them to start
DirectX preview now works properly in High/TrueColour
DirectX Preview colour depth default is the depth of the map
Fixed Map Information, Layers were being ignored

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This documentation is for Mappy Win32 version V1.2 by Robin Burrows 18/10/2000.

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