Operating systems precalculating extents

map location empty, 521 MapLocation structure, 464, 496, 587, 595 MapMouse function, 400 map panel, 265 MapPath array, 627–628, 630 mapping functions and mouse, 400 mapping modes, 85 map scale layering method, 417–419 MAPSEEDS constant, 611 map type functions, 381 MAPWIDTH constant, 611 MasterUnitSelList, 541 mazes, 603 adding doors, 607 blocked conditions, 607–608 clearing, 606 creation of, 604–610 defining, 604 direction and change in location, 605 isometric, 611 leaving, 608 placing door, 609 populating, 610 selecting room, 607 usage, 610–611 variegation, 610 mc use cursor, 34 member functions anchor, 393 anchor space, 392–393 construction/destruction, 390–391, 398 conversion, 393–394 lookup table, 398–399 reference point, 399 screen space, 391 scroller, 399–400 tile size, 399 tilewalker, 400 validation, 394 world space, 391–392 wrap mode, 394 memory, 58–59 menus, 23 message member, 8, 24 message pump checking for messages, 24–25 processing messages, 25–26 message queue, 7–9 messages adding to list of events, 29 checking for, 24–25 handling, 8–9 keyboard, 29–32 managing, 23–24 mouse, 32–34 processing, 25–26 processing window input, 29–32	sending to window, 28–29 viewing in MSDN, 34 MiniMap global variable, 545–546 minimaps blitting onto back buffer, 550 cleaning up memory and tileset used by, 550 function, 545 global variables, 545 initialization, 546–547 redrawing, 548–549 updating, 547–548 mini-maps, 230 MiniScroller global variable, 545, 549 MiniTilePlotter global variable, 545, 549 MM_CENTER value, 397 mmdLookUp data member, 398 MM_NE value, 397 MM_NW value, 397 MM_SE value, 397 MM_SW value, 397 mmsystem.h file, 193 MMX device, 639 modulation, 575–577 modulus operator (%), 329–330 mouse buttons, 32–34 canceling button press, 512 determining which tile it rests on, 325 handle to cursor, 19 handling input, 520–523 left button, 533–534 messages, 32–34 movement, 32 releasing left button, 534–537 in selection window, 535 mouse controls, 229 MouseMap component, 291, 404–405, 420 diamond tilemap, 294 IsoHex engine, 351, 369–370 rectangular tile map, 421 slide tilemap, 293 staggered tile maps, 294 MOUSEMAPDIRECTION enumerated type, 397 MouseMapLoad function, 332–333 mousemapping, 426–427 converting screen coordinates to world coordinates, 328 determining coordinates, 329–330 diamond tilemaps, 369–370 Direct3D, 385–387 example, 334–336 functions, 400 lookup table, 331–334 performing coarse tile walk, 330–331 slide tilemaps, 325–336	Index	715

716 Isometric Game Programming with DirectX 7.0

opening files, 209–210 PostQuitMessage function, 26–27 QueryInterface function, 636–637

operating systems precalculating extents, 248

overloaded operator (*), 491, 504 description, 152 rcAnchorSpace data member, 389–390

overloaded operator (++), 491 number of back buffers, 152 rcExtent data member, 450

PAINTSTRUCT struct, 27–28 Prog_Done function, 26, 67, 87, 107, rcWorldSpace data member, 389–390

panning, 204–205 256, 266, 406 ReadFile function, 211–212

known distance value, 623 231–233, 255–256, 313–314, 406, rectangular region, 94

usage, 631–632 465–467, 668–669, 679 rectangular tilemaps, 290–291, 421

creation of, 64 Project Settings dialog, 129–130 versus IsoHex tiles, 289–290

drawing line, 66–69 Project Settings (Alt+F7) key combina- plotting, 299

pixel-perfect object selection, 537–538 ptCurrent variable, 430–431 assignment functions, 46–47

lookup table construction, 539–540 ptCursor variable, 113, 322 checking if point is within, 50

loading data, 674–675 ptLastPosition variable, 163 intersecting, 48

manipulation functions, 61–62 ptMap variable, 406 joining, 49

Play function, 207–208 ptRef data member, 398 RedrawMiniMap function, 545–549

playing sounds, 207–208 ptRowEnd variable, 430 reducing blits example, 425

hex tiles, 304 ptShieldOffset variable, 529–530 399

iso tiles, 302 ptStart variable, 590, 625–626 regions

polygon fill modes, 77 PUNITINFO typedef, 496 HRGN handle, 92

Polygon function, 76–77 push_back function, 489

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