hge source explor 0x4 input module

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Input Module

  hge中的输入并没有用到Direct Input,在window消息构造输入信息。

  对于鼠标和键盘,输入信息用一个结构来处理,hge中的信息事件的结构

/*
** HGE Input Event structure
*/
struct hgeInputEvent
{
    int        type;             // event type
    int        key;              // key code
    int        flags;            // event flags
    int        chr;              // character code
    int        wheel;            // wheel shift
    float      x;                // mouse cursor x-coordinate
    float      y;                // mouse cursor y-coordinate
};

  从结构中可以看到一个事件中同时包含了鼠标和键盘的属性,其中flags表示的标志。这个flags的标志为所有的功能键的集合,flags整数,每一位代表一个功能键。在hge.h中列出了功能键的集合。

  

/*
** HGE Input Event flags
*/
#define HGEINP_SHIFT      1
#define HGEINP_CTRL       2
#define HGEINP_ALT        4
#define HGEINP_CAPSLOCK     8
#define HGEINP_SCROLLLOCK     16
#define HGEINP_NUMLOCK        32
#define HGEINP_REPEAT         64

  在hge中对于鼠标和键盘的信息还保存在引擎中

hge_impl.h
    int                    VKey;
    int                    Char;
    int                    Zpos;
    float                  Xpos;
    float                  Ypos;
    bool                   bMouseOver;
    bool                   bCaptured;
    char                   keyz[256];
    CInputEventList*       queue;    

  再有在hge.h中的关于按键的键码  

/*
** HGE Virtual-key codes
*/
#define HGEK_LBUTTON    0x01
#define HGEK_RBUTTON    0x02
#define HGEK_MBUTTON    0x04

#define HGEK_ESCAPE        0x1B
#define HGEK_BACKSPACE    0x08
#define HGEK_TAB        0x09
#define HGEK_ENTER        0x0D
#define HGEK_SPACE        0x20

#define HGEK_SHIFT        0x10
#define HGEK_CTRL        0x11
#define HGEK_ALT        0x12

#define HGEK_LWIN        0x5B
#define HGEK_RWIN        0x5C
#define HGEK_APPS        0x5D

#define HGEK_PAUSE        0x13
#define HGEK_CAPSLOCK    0x14
#define HGEK_NUMLOCK    0x90
#define HGEK_SCROLLLOCK    0x91

#define HGEK_PGUP        0x21
#define HGEK_PGDN        0x22
#define HGEK_HOME        0x24
#define HGEK_END        0x23
#define HGEK_INSERT        0x2D
#define HGEK_DELETE        0x2E

#define HGEK_LEFT        0x25
#define HGEK_UP            0x26
#define HGEK_RIGHT        0x27
#define HGEK_DOWN        0x28

#define HGEK_0            0x30
#define HGEK_1            0x31
#define HGEK_2            0x32
#define HGEK_3            0x33
#define HGEK_4            0x34
#define HGEK_5            0x35
#define HGEK_6            0x36
#define HGEK_7            0x37
#define HGEK_8            0x38
#define HGEK_9            0x39

#define HGEK_A            0x41
#define HGEK_B            0x42
#define HGEK_C            0x43
#define HGEK_D            0x44
#define HGEK_E            0x45
#define HGEK_F            0x46
#define HGEK_G            0x47
#define HGEK_H            0x48
#define HGEK_I            0x49
#define HGEK_J            0x4A
#define HGEK_K            0x4B
#define HGEK_L            0x4C
#define HGEK_M            0x4D
#define HGEK_N            0x4E
#define HGEK_O            0x4F
#define HGEK_P            0x50
#define HGEK_Q            0x51
#define HGEK_R            0x52
#define HGEK_S            0x53
#define HGEK_T            0x54
#define HGEK_U            0x55
#define HGEK_V            0x56
#define HGEK_W            0x57
#define HGEK_X            0x58
#define HGEK_Y            0x59
#define HGEK_Z            0x5A

#define HGEK_GRAVE        0xC0
#define HGEK_MINUS        0xBD
#define HGEK_EQUALS        0xBB
#define HGEK_BACKSLASH    0xDC
#define HGEK_LBRACKET    0xDB
#define HGEK_RBRACKET    0xDD
#define HGEK_SEMICOLON    0xBA
#define HGEK_APOSTROPHE    0xDE
#define HGEK_COMMA        0xBC
#define HGEK_PERIOD        0xBE
#define HGEK_SLASH        0xBF

#define HGEK_NUMPAD0    0x60
#define HGEK_NUMPAD1    0x61
#define HGEK_NUMPAD2    0x62
#define HGEK_NUMPAD3    0x63
#define HGEK_NUMPAD4    0x64
#define HGEK_NUMPAD5    0x65
#define HGEK_NUMPAD6    0x66
#define HGEK_NUMPAD7    0x67
#define HGEK_NUMPAD8    0x68
#define HGEK_NUMPAD9    0x69

#define HGEK_MULTIPLY    0x6A
#define HGEK_DIVIDE        0x6F
#define HGEK_ADD        0x6B
#define HGEK_SUBTRACT    0x6D
#define HGEK_DECIMAL    0x6E

#define HGEK_F1            0x70
#define HGEK_F2            0x71
#define HGEK_F3            0x72
#define HGEK_F4            0x73
#define HGEK_F5            0x74
#define HGEK_F6            0x75
#define HGEK_F7            0x76
#define HGEK_F8            0x77
#define HGEK_F9            0x78
#define HGEK_F10        0x79
#define HGEK_F11        0x7A
#define HGEK_F12        0x7B
Virtual-key codes

  在input.cpp中有按键的名称

char *KeyNames[] =
{
 "?",
 "Left Mouse Button", "Right Mouse Button", "?", "Middle Mouse Button",
 "?", "?", "?", "Backspace", "Tab", "?", "?", "?", "Enter", "?", "?",
 "Shift", "Ctrl", "Alt", "Pause", "Caps Lock", "?", "?", "?", "?", "?", "?",
 "Escape", "?", "?", "?", "?",
 "Space", "Page Up", "Page Down", "End", "Home",
 "Left Arrow", "Up Arrow", "Right Arrow", "Down Arrow",
 "?", "?", "?", "?", "Insert", "Delete", "?",
 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
 "?", "?", "?", "?", "?", "?", "?",
 "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
 "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
 "Left Win", "Right Win", "Application", "?", "?",
 "NumPad 0", "NumPad 1", "NumPad 2", "NumPad 3", "NumPad 4",
 "NumPad 5", "NumPad 6", "NumPad 7", "NumPad 8", "NumPad 9",
 "Multiply", "Add", "?", "Subtract", "Decimal", "Divide",
 "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "Num Lock", "Scroll Lock",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "Semicolon", "Equals", "Comma", "Minus", "Period", "Slash", "Grave",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?",
 "Left bracket", "Backslash", "Right bracket", "Apostrophe",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?", "?", "?", "?", "?", "?", "?", "?",
 "?", "?", "?"
};
KeyNames

 

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