/
library_glfw.js
1500 lines (1250 loc) · 50.8 KB
/
library_glfw.js
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/*******************************************************************************
* EMSCRIPTEN GLFW 2.x-3.x emulation.
* It tries to emulate the behavior described in
* http://www.glfw.org/docs/latest/
*
* This also implements parts of GLFW 2.x on top of GLFW 3.x.
*
* What it does:
* - Creates a GL context.
* - Manage keyboard and mouse events.
* - GL Extensions support.
*
* What it does not but should probably do:
* - Transmit events when glfwPollEvents, glfwWaitEvents or glfwSwapBuffers is
* called. Events callbacks are called as soon as event are received.
* - Joystick support.
* - Input modes.
* - Gamma ramps.
* - Video modes.
* - Monitors.
* - Clipboard (not possible from javascript?).
* - Multiple windows.
* - Error codes && messages through callback.
* - Thread emulation. (removed in GLFW3).
* - Image/Texture I/O support (removed in GLFW 3).
*
* Authors:
* - Jari Vetoniemi <mailroxas@gmail.com>
* - Éloi Rivard <eloi.rivard@gmail.com>
* - Thomas Borsos <thomasborsos@gmail.com>
*
******************************************************************************/
var LibraryGLFW = {
$GLFW__deps: ['emscripten_get_now', '$GL', '$Browser'],
$GLFW: {
Window: function(id, width, height, title, monitor, share) {
this.id = id;
this.x = 0;
this.y = 0;
this.fullscreen = false; // Used to determine if app in fullscreen mode
this.storedX = 0; // Used to store X before fullscreen
this.storedY = 0; // Used to store Y before fullscreen
this.width = width;
this.height = height;
this.storedWidth = width; // Used to store width before fullscreen
this.storedHeight = height; // Used to store height before fullscreen
this.title = title;
this.monitor = monitor;
this.share = share;
this.attributes = GLFW.hints;
this.inputModes = {
0x00033001:0x00034001, // GLFW_CURSOR (GLFW_CURSOR_NORMAL)
0x00033002:0, // GLFW_STICKY_KEYS
0x00033003:0, // GLFW_STICKY_MOUSE_BUTTONS
};
this.buttons = 0;
this.keys = new Array();
this.shouldClose = 0;
this.title = null;
this.windowPosFunc = null; // GLFWwindowposfun
this.windowSizeFunc = null; // GLFWwindowsizefun
this.windowCloseFunc = null; // GLFWwindowclosefun
this.windowRefreshFunc = null; // GLFWwindowrefreshfun
this.windowFocusFunc = null; // GLFWwindowfocusfun
this.windowIconifyFunc = null; // GLFWwindowiconifyfun
this.framebufferSizeFunc = null; // GLFWframebuffersizefun
this.mouseButtonFunc = null; // GLFWmousebuttonfun
this.cursorPosFunc = null; // GLFWcursorposfun
this.cursorEnterFunc = null; // GLFWcursorenterfun
this.scrollFunc = null; // GLFWscrollfun
this.keyFunc = null; // GLFWkeyfun
this.charFunc = null; // GLFWcharfun
this.userptr = null;
},
WindowFromId: function(id) {
if (id <= 0 || !GLFW.windows) return null;
return GLFW.windows[id - 1];
},
errorFunc: null, // GLFWerrorfun
monitorFunc: null, // GLFWmonitorfun
active: null, // active window
windows: null,
monitors: null,
monitorString: null,
versionString: null,
initialTime: null,
extensions: null,
hints: null,
defaultHints: {
0x00020001:0, // GLFW_FOCUSED
0x00020002:0, // GLFW_ICONIFIED
0x00020003:1, // GLFW_RESIZABLE
0x00020004:1, // GLFW_VISIBLE
0x00020005:1, // GLFW_DECORATED
0x00021001:8, // GLFW_RED_BITS
0x00021002:8, // GLFW_GREEN_BITS
0x00021003:8, // GLFW_BLUE_BITS
0x00021004:8, // GLFW_ALPHA_BITS
0x00021005:24, // GLFW_DEPTH_BITS
0x00021006:8, // GLFW_STENCIL_BITS
0x00021007:0, // GLFW_ACCUM_RED_BITS
0x00021008:0, // GLFW_ACCUM_GREEN_BITS
0x00021009:0, // GLFW_ACCUM_BLUE_BITS
0x0002100A:0, // GLFW_ACCUM_ALPHA_BITS
0x0002100B:0, // GLFW_AUX_BUFFERS
0x0002100C:0, // GLFW_STEREO
0x0002100D:0, // GLFW_SAMPLES
0x0002100E:0, // GLFW_SRGB_CAPABLE
0x0002100F:0, // GLFW_REFRESH_RATE
0x00022001:0x00030001, // GLFW_CLIENT_API (GLFW_OPENGL_API)
0x00022002:1, // GLFW_CONTEXT_VERSION_MAJOR
0x00022003:0, // GLFW_CONTEXT_VERSION_MINOR
0x00022004:0, // GLFW_CONTEXT_REVISION
0x00022005:0, // GLFW_CONTEXT_ROBUSTNESS
0x00022006:0, // GLFW_OPENGL_FORWARD_COMPAT
0x00022007:0, // GLFW_OPENGL_DEBUG_CONTEXT
0x00022008:0, // GLFW_OPENGL_PROFILE
},
/*******************************************************************************
* DOM EVENT CALLBACKS
******************************************************************************/
/* https://developer.mozilla.org/en/Document_Object_Model_%28DOM%29/KeyboardEvent and GLFW/glfw3.h */
DOMToGLFWKeyCode: function(keycode) {
switch (keycode) {
// these keycodes are only defined for GLFW3, assume they are the same for GLFW2
case 0x20:return 32; // DOM_VK_SPACE -> GLFW_KEY_SPACE
case 0xDE:return 39; // DOM_VK_QUOTE -> GLFW_KEY_APOSTROPHE
case 0xBC:return 44; // DOM_VK_COMMA -> GLFW_KEY_COMMA
case 0xAD:return 45; // DOM_VK_HYPHEN_MINUS -> GLFW_KEY_MINUS
case 0xBE:return 46; // DOM_VK_PERIOD -> GLFW_KEY_PERIOD
case 0xBF:return 47; // DOM_VK_SLASH -> GLFW_KEY_SLASH
case 0x30:return 48; // DOM_VK_0 -> GLFW_KEY_0
case 0x31:return 49; // DOM_VK_1 -> GLFW_KEY_1
case 0x32:return 50; // DOM_VK_2 -> GLFW_KEY_2
case 0x33:return 51; // DOM_VK_3 -> GLFW_KEY_3
case 0x34:return 52; // DOM_VK_4 -> GLFW_KEY_4
case 0x35:return 53; // DOM_VK_5 -> GLFW_KEY_5
case 0x36:return 54; // DOM_VK_6 -> GLFW_KEY_6
case 0x37:return 55; // DOM_VK_7 -> GLFW_KEY_7
case 0x38:return 56; // DOM_VK_8 -> GLFW_KEY_8
case 0x39:return 57; // DOM_VK_9 -> GLFW_KEY_9
case 0x3B:return 59; // DOM_VK_SEMICOLON -> GLFW_KEY_SEMICOLON
case 0x61:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
case 0x41:return 65; // DOM_VK_A -> GLFW_KEY_A
case 0x42:return 66; // DOM_VK_B -> GLFW_KEY_B
case 0x43:return 67; // DOM_VK_C -> GLFW_KEY_C
case 0x44:return 68; // DOM_VK_D -> GLFW_KEY_D
case 0x45:return 69; // DOM_VK_E -> GLFW_KEY_E
case 0x46:return 70; // DOM_VK_F -> GLFW_KEY_F
case 0x47:return 71; // DOM_VK_G -> GLFW_KEY_G
case 0x48:return 72; // DOM_VK_H -> GLFW_KEY_H
case 0x49:return 73; // DOM_VK_I -> GLFW_KEY_I
case 0x4A:return 74; // DOM_VK_J -> GLFW_KEY_J
case 0x4B:return 75; // DOM_VK_K -> GLFW_KEY_K
case 0x4C:return 76; // DOM_VK_L -> GLFW_KEY_L
case 0x4D:return 77; // DOM_VK_M -> GLFW_KEY_M
case 0x4E:return 78; // DOM_VK_N -> GLFW_KEY_N
case 0x4F:return 79; // DOM_VK_O -> GLFW_KEY_O
case 0x50:return 80; // DOM_VK_P -> GLFW_KEY_P
case 0x51:return 81; // DOM_VK_Q -> GLFW_KEY_Q
case 0x52:return 82; // DOM_VK_R -> GLFW_KEY_R
case 0x53:return 83; // DOM_VK_S -> GLFW_KEY_S
case 0x54:return 84; // DOM_VK_T -> GLFW_KEY_T
case 0x55:return 85; // DOM_VK_U -> GLFW_KEY_U
case 0x56:return 86; // DOM_VK_V -> GLFW_KEY_V
case 0x57:return 87; // DOM_VK_W -> GLFW_KEY_W
case 0x58:return 88; // DOM_VK_X -> GLFW_KEY_X
case 0x59:return 89; // DOM_VK_Y -> GLFW_KEY_Y
case 0x5a:return 90; // DOM_VK_Z -> GLFW_KEY_Z
case 0xDB:return 91; // DOM_VK_OPEN_BRACKET -> GLFW_KEY_LEFT_BRACKET
case 0xDC:return 92; // DOM_VK_BACKSLASH -> GLFW_KEY_BACKSLASH
case 0xDD:return 93; // DOM_VK_CLOSE_BRACKET -> GLFW_KEY_RIGHT_BRACKET
case 0xC0:return 94; // DOM_VK_BACK_QUOTE -> GLFW_KEY_GRAVE_ACCENT
#if USE_GLFW == 2
//#define GLFW_KEY_SPECIAL 256
case 0x1B:return (256+1); // DOM_VK_ESCAPE -> GLFW_KEY_ESC
case 0x70:return (256+2); // DOM_VK_F1 -> GLFW_KEY_F1
case 0x71:return (256+3); // DOM_VK_F2 -> GLFW_KEY_F2
case 0x72:return (256+4); // DOM_VK_F3 -> GLFW_KEY_F3
case 0x73:return (256+5); // DOM_VK_F4 -> GLFW_KEY_F4
case 0x74:return (256+6); // DOM_VK_F5 -> GLFW_KEY_F5
case 0x75:return (256+7); // DOM_VK_F6 -> GLFW_KEY_F6
case 0x76:return (256+8); // DOM_VK_F7 -> GLFW_KEY_F7
case 0x77:return (256+9); // DOM_VK_F8 -> GLFW_KEY_F8
case 0x78:return (256+10); // DOM_VK_F9 -> GLFW_KEY_F9
case 0x79:return (256+11); // DOM_VK_F10 -> GLFW_KEY_F10
case 0x7A:return (256+12); // DOM_VK_F11 -> GLFW_KEY_F11
case 0x7B:return (256+13); // DOM_VK_F12 -> GLFW_KEY_F12
case 0x7C:return (256+14); // DOM_VK_F13 -> GLFW_KEY_F13
case 0x7D:return (256+15); // DOM_VK_F14 -> GLFW_KEY_F14
case 0x7E:return (256+16); // DOM_VK_F15 -> GLFW_KEY_F15
case 0x7F:return (256+17); // DOM_VK_F16 -> GLFW_KEY_F16
case 0x80:return (256+18); // DOM_VK_F17 -> GLFW_KEY_F17
case 0x81:return (256+19); // DOM_VK_F18 -> GLFW_KEY_F18
case 0x82:return (256+20); // DOM_VK_F19 -> GLFW_KEY_F19
case 0x83:return (256+21); // DOM_VK_F20 -> GLFW_KEY_F20
case 0x84:return (256+22); // DOM_VK_F21 -> GLFW_KEY_F21
case 0x85:return (256+23); // DOM_VK_F22 -> GLFW_KEY_F22
case 0x86:return (256+24); // DOM_VK_F23 -> GLFW_KEY_F23
case 0x87:return (256+25); // DOM_VK_F24 -> GLFW_KEY_F24
case 0x88:return (256+26); // 0x88 (not used?) -> GLFW_KEY_F25
case 0x27:return (256+30); // DOM_VK_RIGHT -> GLFW_KEY_RIGHT
case 0x25:return (256+29); // DOM_VK_LEFT -> GLFW_KEY_LEFT
case 0x28:return (256+28); // DOM_VK_DOWN -> GLFW_KEY_DOWN
case 0x26:return (256+27); // DOM_VK_UP -> GLFW_KEY_UP
case 0x10:return (256+31); // DOM_VK_SHIFT -> GLFW_KEY_LSHIFT
// #define GLFW_KEY_RSHIFT (GLFW_KEY_SPECIAL+32)
case 0x11:return (256+33); // DOM_VK_CONTROL -> GLFW_KEY_LCTRL
// #define GLFW_KEY_RCTRL (GLFW_KEY_SPECIAL+34)
case 0x12:return (256+35); // DOM_VK_ALT -> GLFW_KEY_LALT
// #define GLFW_KEY_RALT (GLFW_KEY_SPECIAL+36)
case 0x09:return (256+37); // DOM_VK_TAB -> GLFW_KEY_TAB
case 0x0D:return (256+38); // DOM_VK_RETURN -> GLFW_KEY_ENTER
case 0x08:return (256+39); // DOM_VK_BACK -> GLFW_KEY_BACKSPACE
case 0x2D:return (256+40); // DOM_VK_INSERT -> GLFW_KEY_INSERT
case 0x2E:return (256+41); // DOM_VK_DELETE -> GLFW_KEY_DEL
case 0x21:return (256+42); // DOM_VK_PAGE_UP -> GLFW_KEY_PAGEUP
case 0x22:return (256+43); // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGEDOWN
case 0x24:return (256+44); // DOM_VK_HOME -> GLFW_KEY_HOME
case 0x23:return (256+45); // DOM_VK_END -> GLFW_KEY_END
case 0x60:return (256+46); // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0
case 0x61:return (256+47); // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1
case 0x62:return (256+48); // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2
case 0x63:return (256+49); // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3
case 0x64:return (256+50); // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4
case 0x65:return (256+51); // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5
case 0x66:return (256+52); // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6
case 0x67:return (256+53); // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7
case 0x68:return (256+54); // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8
case 0x69:return (256+55); // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9
case 0x6F:return (256+56); // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE
case 0x6A:return (256+57); // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY
case 0x6D:return (256+58); // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT
case 0x6B:return (256+59); // DOM_VK_ADD -> GLFW_KEY_KP_ADD
case 0x6E:return (256+60); // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL
// #define GLFW_KEY_KP_EQUAL (GLFW_KEY_SPECIAL+61)
// #define GLFW_KEY_KP_ENTER (GLFW_KEY_SPECIAL+62)
case 0x90:return (256+63); // DOM_VK_NUM_LOCK -> GLFW_KEY_KP_NUM_LOCK
case 0x14:return (256+64); // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK
case 0x91:return (256+65); // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK
case 0x13:return (256+66); // DOM_VK_PAUSE -> GLFW_KEY_PAUSE
case 0x5B:return (256+67); // DOM_VK_WIN -> GLFW_KEY_LSUPER
// #define GLFW_KEY_RSUPER (GLFW_KEY_SPECIAL+68)
case 0x5D:return (256+69); // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU
#endif
#if USE_GLFW == 3
case 0x1B:return 256; // DOM_VK_ESCAPE -> GLFW_KEY_ESCAPE
case 0x0D:return 257; // DOM_VK_RETURN -> GLFW_KEY_ENTER
case 0x09:return 258; // DOM_VK_TAB -> GLFW_KEY_TAB
case 0x08:return 259; // DOM_VK_BACK -> GLFW_KEY_BACKSPACE
case 0x2D:return 260; // DOM_VK_INSERT -> GLFW_KEY_INSERT
case 0x2E:return 261; // DOM_VK_DELETE -> GLFW_KEY_DELETE
case 0x27:return 262; // DOM_VK_RIGHT -> GLFW_KEY_RIGHT
case 0x25:return 263; // DOM_VK_LEFT -> GLFW_KEY_LEFT
case 0x28:return 264; // DOM_VK_DOWN -> GLFW_KEY_DOWN
case 0x26:return 265; // DOM_VK_UP -> GLFW_KEY_UP
case 0x21:return 266; // DOM_VK_PAGE_UP -> GLFW_KEY_PAGE_UP
case 0x22:return 267; // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGE_DOWN
case 0x24:return 268; // DOM_VK_HOME -> GLFW_KEY_HOME
case 0x23:return 269; // DOM_VK_END -> GLFW_KEY_END
case 0x14:return 280; // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK
case 0x91:return 281; // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK
case 0x90:return 282; // DOM_VK_NUM_LOCK -> GLFW_KEY_NUM_LOCK
case 0x2C:return 283; // DOM_VK_SNAPSHOT -> GLFW_KEY_PRINT_SCREEN
case 0x13:return 284; // DOM_VK_PAUSE -> GLFW_KEY_PAUSE
case 0x70:return 290; // DOM_VK_F1 -> GLFW_KEY_F1
case 0x71:return 291; // DOM_VK_F2 -> GLFW_KEY_F2
case 0x72:return 292; // DOM_VK_F3 -> GLFW_KEY_F3
case 0x73:return 293; // DOM_VK_F4 -> GLFW_KEY_F4
case 0x74:return 294; // DOM_VK_F5 -> GLFW_KEY_F5
case 0x75:return 295; // DOM_VK_F6 -> GLFW_KEY_F6
case 0x76:return 296; // DOM_VK_F7 -> GLFW_KEY_F7
case 0x77:return 297; // DOM_VK_F8 -> GLFW_KEY_F8
case 0x78:return 298; // DOM_VK_F9 -> GLFW_KEY_F9
case 0x79:return 299; // DOM_VK_F10 -> GLFW_KEY_F10
case 0x7A:return 300; // DOM_VK_F11 -> GLFW_KEY_F11
case 0x7B:return 301; // DOM_VK_F12 -> GLFW_KEY_F12
case 0x7C:return 302; // DOM_VK_F13 -> GLFW_KEY_F13
case 0x7D:return 303; // DOM_VK_F14 -> GLFW_KEY_F14
case 0x7E:return 304; // DOM_VK_F15 -> GLFW_KEY_F15
case 0x7F:return 305; // DOM_VK_F16 -> GLFW_KEY_F16
case 0x80:return 306; // DOM_VK_F17 -> GLFW_KEY_F17
case 0x81:return 307; // DOM_VK_F18 -> GLFW_KEY_F18
case 0x82:return 308; // DOM_VK_F19 -> GLFW_KEY_F19
case 0x83:return 309; // DOM_VK_F20 -> GLFW_KEY_F20
case 0x84:return 310; // DOM_VK_F21 -> GLFW_KEY_F21
case 0x85:return 311; // DOM_VK_F22 -> GLFW_KEY_F22
case 0x86:return 312; // DOM_VK_F23 -> GLFW_KEY_F23
case 0x87:return 313; // DOM_VK_F24 -> GLFW_KEY_F24
case 0x88:return 314; // 0x88 (not used?) -> GLFW_KEY_F25
case 0x60:return 320; // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0
case 0x61:return 321; // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1
case 0x62:return 322; // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2
case 0x63:return 323; // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3
case 0x64:return 324; // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4
case 0x65:return 325; // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5
case 0x66:return 326; // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6
case 0x67:return 327; // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7
case 0x68:return 328; // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8
case 0x69:return 329; // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9
case 0x6E:return 330; // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL
case 0x6F:return 331; // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE
case 0x6A:return 332; // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY
case 0x6D:return 333; // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT
case 0x6B:return 334; // DOM_VK_ADD -> GLFW_KEY_KP_ADD
// case 0x0D:return 335; // DOM_VK_RETURN -> GLFW_KEY_KP_ENTER (DOM_KEY_LOCATION_RIGHT)
// case 0x61:return 336; // DOM_VK_EQUALS -> GLFW_KEY_KP_EQUAL (DOM_KEY_LOCATION_RIGHT)
case 0x10:return 340; // DOM_VK_SHIFT -> GLFW_KEY_LEFT_SHIFT
case 0x11:return 341; // DOM_VK_CONTROL -> GLFW_KEY_LEFT_CONTROL
case 0x12:return 342; // DOM_VK_ALT -> GLFW_KEY_LEFT_ALT
case 0x5B:return 343; // DOM_VK_WIN -> GLFW_KEY_LEFT_SUPER
// case 0x10:return 344; // DOM_VK_SHIFT -> GLFW_KEY_RIGHT_SHIFT (DOM_KEY_LOCATION_RIGHT)
// case 0x11:return 345; // DOM_VK_CONTROL -> GLFW_KEY_RIGHT_CONTROL (DOM_KEY_LOCATION_RIGHT)
// case 0x12:return 346; // DOM_VK_ALT -> GLFW_KEY_RIGHT_ALT (DOM_KEY_LOCATION_RIGHT)
// case 0x5B:return 347; // DOM_VK_WIN -> GLFW_KEY_RIGHT_SUPER (DOM_KEY_LOCATION_RIGHT)
case 0x5D:return 348; // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU
// XXX: GLFW_KEY_WORLD_1, GLFW_KEY_WORLD_2 what are these?
#endif
default:return -1; // GLFW_KEY_UNKNOWN
};
},
getModBits: function(win) {
var mod = 0;
if (win.keys[340]) mod |= 0x0001; // GLFW_MOD_SHIFT
if (win.keys[341]) mod |= 0x0002; // GLFW_MOD_CONTROL
if (win.keys[342]) mod |= 0x0004; // GLFW_MOD_ALT
if (win.keys[343]) mod |= 0x0008; // GLFW_MOD_SUPER
return mod;
},
onKeyPress: function(event) {
if (!GLFW.active || !GLFW.active.charFunc) return;
// correct unicode charCode is only available with onKeyPress event
var charCode = event.charCode;
if (charCode == 0 || (charCode >= 0x00 && charCode <= 0x1F)) return;
#if USE_GLFW == 2
Runtime.dynCall('vii', GLFW.active.charFunc, [charCode, 1]);
#endif
#if USE_GLFW == 3
Runtime.dynCall('vii', GLFW.active.charFunc, [GLFW.active.id, charCode]);
#endif
},
onKeyChanged: function(event, status) {
if (!GLFW.active) return;
var key = GLFW.DOMToGLFWKeyCode(event.keyCode);
if (key == -1) return;
#if USE_GLFW == 3
var repeat = status && GLFW.active.keys[key];
#endif
GLFW.active.keys[key] = status;
if (!GLFW.active.keyFunc) return;
#if USE_GLFW == 2
Runtime.dynCall('vii', GLFW.active.keyFunc, [key, status]);
#endif
#if USE_GLFW == 3
if (repeat) status = 2; // GLFW_REPEAT
Runtime.dynCall('viiiii', GLFW.active.keyFunc, [GLFW.active.id, key, event.keyCode, status, GLFW.getModBits(GLFW.active)]);
#endif
},
onKeydown: function(event) {
GLFW.onKeyChanged(event, 1); // GLFW_PRESS or GLFW_REPEAT
// This logic comes directly from the sdl implementation. We cannot
// call preventDefault on all keydown events otherwise onKeyPress will
// not get called
if (event.keyCode === 8 /* backspace */ || event.keyCode === 9 /* tab */) {
event.preventDefault();
}
},
onKeyup: function(event) {
GLFW.onKeyChanged(event, 0); // GLFW_RELEASE
},
onMousemove: function(event) {
if (!GLFW.active) return;
Browser.calculateMouseEvent(event);
if (event.target != Module["canvas"] || !GLFW.active.cursorPosFunc) return;
#if USE_GLFW == 2
Runtime.dynCall('vii', GLFW.active.cursorPosFunc, [Browser.mouseX, Browser.mouseY]);
#endif
#if USE_GLFW == 3
Runtime.dynCall('vidd', GLFW.active.cursorPosFunc, [GLFW.active.id, Browser.mouseX, Browser.mouseY]);
#endif
},
DOMToGLFWMouseButton: function(event) {
// DOM and glfw have different button codes.
// See http://www.w3schools.com/jsref/event_button.asp.
var eventButton = event['button'];
if (eventButton > 0) {
if (eventButton == 1) {
eventButton = 2;
} else {
eventButton = 1;
}
}
return eventButton;
},
onMouseenter: function(event) {
if (!GLFW.active) return;
if (event.target != Module["canvas"] || !GLFW.active.cursorEnterFunc) return;
#if USE_GLFW == 3
Runtime.dynCall('vii', GLFW.active.cursorEnterFunc, [GLFW.active.id, 1]);
#endif
},
onMouseleave: function(event) {
if (!GLFW.active) return;
if (event.target != Module["canvas"] || !GLFW.active.cursorEnterFunc) return;
#if USE_GLFW == 3
Runtime.dynCall('vii', GLFW.active.cursorEnterFunc, [GLFW.active.id, 0]);
#endif
},
onMouseButtonChanged: function(event, status) {
if (!GLFW.active) return;
Browser.calculateMouseEvent(event);
if (event.target != Module["canvas"]) return;
eventButton = GLFW.DOMToGLFWMouseButton(event);
if (status == 1) { // GLFW_PRESS
GLFW.active.buttons |= (1 << eventButton);
try {
event.target.setCapture();
} catch (e) {}
} else { // GLFW_RELEASE
GLFW.active.buttons &= ~(1 << eventButton);
}
if (!GLFW.active.mouseButtonFunc) return;
#if USE_GLFW == 2
Runtime.dynCall('vii', GLFW.active.mouseButtonFunc, [eventButton, status]);
#endif
#if USE_GLFW == 3
Runtime.dynCall('viiii', GLFW.active.mouseButtonFunc, [GLFW.active.id, eventButton, status, GLFW.getModBits(GLFW.active)]);
#endif
},
onMouseButtonDown: function(event) {
if (!GLFW.active) return;
GLFW.onMouseButtonChanged(event, 1); // GLFW_PRESS
},
onMouseButtonUp: function(event) {
if (!GLFW.active) return;
GLFW.onMouseButtonChanged(event, 0); // GLFW_RELEASE
},
onMouseWheel: function(event) {
// Note the minus sign that flips browser wheel direction (positive direction scrolls page down) to native wheel direction (positive direction is mouse wheel up)
var delta = -Browser.getMouseWheelDelta(event);
delta = (delta == 0) ? 0 : (delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1)); // Quantize to integer so that minimum scroll is at least +/- 1.
GLFW.wheelPos += delta;
if (!GLFW.active || !GLFW.active.scrollFunc || event.target != Module['canvas']) return;
#if USE_GLFW == 2
Runtime.dynCall('vi', GLFW.active.scrollFunc, [GLFW.wheelPos]);
#endif
#if USE_GLFW == 3
var sx = 0;
var sy = 0;
if (event.type == 'mousewheel') {
sx = event.wheelDeltaX;
sy = event.wheelDeltaY;
} else {
sx = event.deltaX;
sy = event.deltaY;
}
Runtime.dynCall('vidd', GLFW.active.scrollFunc, [GLFW.active.id, sx, sy]);
#endif
event.preventDefault();
},
onCanvasResize: function(width, height) {
if (!GLFW.active) return;
var resizeNeeded = true;
// If the client is requestiong fullscreen mode
if (document["fullscreen"] || document["fullScreen"] || document["mozFullScreen"] || document["webkitIsFullScreen"]) {
GLFW.active.storedX = GLFW.active.x;
GLFW.active.storedY = GLFW.active.y;
GLFW.active.storedWidth = GLFW.active.width;
GLFW.active.storedHeight = GLFW.active.height;
GLFW.active.x = GLFW.active.y = 0;
GLFW.active.width = screen.width;
GLFW.active.height = screen.height;
GLFW.active.fullscreen = true;
// If the client is reverting from fullscreen mode
} else if (GLFW.active.fullscreen == true) {
GLFW.active.x = GLFW.active.storedX;
GLFW.active.y = GLFW.active.storedY;
GLFW.active.width = GLFW.active.storedWidth;
GLFW.active.height = GLFW.active.storedHeight;
GLFW.active.fullscreen = false;
// If the width/height values do not match current active window sizes
} else if (GLFW.active.width != width || GLFW.active.height != height) {
GLFW.active.width = width;
GLFW.active.height = height;
} else {
resizeNeeded = false;
}
// If any of the above conditions were true, we need to resize the canvas
if (resizeNeeded) {
// resets the canvas size to counter the aspect preservation of Browser.updateCanvasDimensions
Browser.setCanvasSize(GLFW.active.width, GLFW.active.height, true);
// TODO: Client dimensions (clientWidth/clientHeight) vs pixel dimensions (width/height) of
// the canvas should drive window and framebuffer size respectfully.
GLFW.onWindowSizeChanged();
GLFW.onFramebufferSizeChanged();
}
},
onWindowSizeChanged: function() {
if (!GLFW.active) return;
if (!GLFW.active.windowSizeFunc) return;
#if USE_GLFW == 2
Runtime.dynCall('vii', GLFW.active.windowSizeFunc, [GLFW.active.width, GLFW.active.height]);
#endif
#if USE_GLFW == 3
Runtime.dynCall('viii', GLFW.active.windowSizeFunc, [GLFW.active.id, GLFW.active.width, GLFW.active.height]);
#endif
},
onFramebufferSizeChanged: function() {
if (!GLFW.active) return;
if (!GLFW.active.framebufferSizeFunc) return;
#if USE_GLFW == 3
Runtime.dynCall('viii', GLFW.active.framebufferSizeFunc, [GLFW.active.id, GLFW.active.width, GLFW.active.height]);
#endif
},
requestFullscreen: function() {
var RFS = Module["canvas"]['requestFullscreen'] ||
Module["canvas"]['mozRequestFullScreen'] ||
Module["canvas"]['webkitRequestFullScreen'] ||
(function() {});
RFS.apply(Module["canvas"], []);
},
requestFullScreen: function() {
Module.printErr('GLFW.requestFullScreen() is deprecated. Please call GLFW.requestFullscreen instead.');
GLFW.requestFullScreen = function() {
return GLFW.requestFullscreen();
}
return GLFW.requestFullscreen();
},
exitFullscreen: function() {
var CFS = document['exitFullscreen'] ||
document['cancelFullScreen'] ||
document['mozCancelFullScreen'] ||
document['webkitCancelFullScreen'] ||
(function() {});
CFS.apply(document, []);
},
cancelFullScreen: function() {
Module.printErr('GLFW.cancelFullScreen() is deprecated. Please call GLFW.exitFullscreen instead.');
GLFW.cancelFullScreen = function() {
return GLFW.exitFullscreen();
}
return GLFW.exitFullscreen();
},
getTime: function() {
return _emscripten_get_now() / 1000;
},
/* GLFW2 wrapping */
setWindowTitle: function(winid, title) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.title = Pointer_stringify(title);
if (GLFW.active.id == win.id) {
document.title = win.title;
}
},
setKeyCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.keyFunc = cbfun;
},
setCharCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.charFunc = cbfun;
},
setMouseButtonCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.mouseButtonFunc = cbfun;
},
setCursorPosCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.cursorPosFunc = cbfun;
},
setScrollCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.scrollFunc = cbfun;
},
setWindowSizeCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.windowSizeFunc = cbfun;
#if USE_GLFW == 2
// As documented in GLFW2 API (http://www.glfw.org/GLFWReference27.pdf#page=22), when size
// callback function is set, it will be called with the current window size before this
// function returns.
// GLFW3 on the over hand doesn't have this behavior (https://github.com/glfw/glfw/issues/62).
if (!win.windowSizeFunc) return;
Runtime.dynCall('vii', win.windowSizeFunc, [win.width, win.height]);
#endif
},
setWindowCloseCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.windowCloseFunc = cbfun;
},
setWindowRefreshCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.windowRefreshFunc = cbfun;
},
onClickRequestPointerLock: function(e) {
if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
Module['canvas'].requestPointerLock();
e.preventDefault();
}
},
setInputMode: function(winid, mode, value) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
switch(mode) {
case 0x00033001: { // GLFW_CURSOR
switch(value) {
case 0x00034001: { // GLFW_CURSOR_NORMAL
win.inputModes[mode] = value;
Module['canvas'].removeEventListener('click', GLFW.onClickRequestPointerLock, true);
Module['canvas'].exitPointerLock();
break;
}
case 0x00034002: { // GLFW_CURSOR_HIDDEN
console.log("glfwSetInputMode called with GLFW_CURSOR_HIDDEN value not implemented.");
break;
}
case 0x00034003: { // GLFW_CURSOR_DISABLED
win.inputModes[mode] = value;
Module['canvas'].addEventListener('click', GLFW.onClickRequestPointerLock, true);
Module['canvas'].requestPointerLock();
break;
}
default: {
console.log("glfwSetInputMode called with unknown value parameter value: " + value + ".");
break;
}
}
break;
}
case 0x00033002: { // GLFW_STICKY_KEYS
console.log("glfwSetInputMode called with GLFW_STICKY_KEYS mode not implemented.");
break;
}
case 0x00033003: { // GLFW_STICKY_MOUSE_BUTTONS
console.log("glfwSetInputMode called with GLFW_STICKY_MOUSE_BUTTONS mode not implemented.");
break;
}
default: {
console.log("glfwSetInputMode called with unknown mode parameter value: " + mode + ".");
break;
}
}
},
getKey: function(winid, key) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return win.keys[key];
},
getMouseButton: function(winid, button) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return (win.buttons & (1 << button)) > 0;
},
getCursorPos: function(winid, x, y) {
setValue(x, Browser.mouseX, 'double');
setValue(y, Browser.mouseY, 'double');
},
getMousePos: function(winid, x, y) {
setValue(x, Browser.mouseX, 'i32');
setValue(y, Browser.mouseY, 'i32');
},
setCursorPos: function(winid, x, y) {
},
getWindowPos: function(winid, x, y) {
var wx = 0;
var wy = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
wx = win.x;
wy = win.y;
}
setValue(x, wx, 'i32');
setValue(y, wy, 'i32');
},
setWindowPos: function(winid, x, y) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.x = x;
win.y = y;
},
getWindowSize: function(winid, width, height) {
var ww = 0;
var wh = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
ww = win.width;
wh = win.height;
}
setValue(width, ww, 'i32');
setValue(height, wh, 'i32');
},
setWindowSize: function(winid, width, height) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
if (GLFW.active.id == win.id) {
if (width == screen.width && height == screen.height) {
GLFW.requestFullscreen();
} else {
GLFW.exitFullscreen();
Browser.setCanvasSize(width, height);
win.width = width;
win.height = height;
}
}
if (!win.windowSizeFunc) return;
#if USE_GLFW == 2
Runtime.dynCall('vii', win.windowSizeFunc, [width, height]);
#endif
#if USE_GLFW == 3
Runtime.dynCall('viii', win.windowSizeFunc, [win.id, width, height]);
#endif
},
createWindow: function(width, height, title, monitor, share) {
var i, id;
for (i = 0; i < GLFW.windows.length && GLFW.windows[i] !== null; i++);
if (i > 0) throw "glfwCreateWindow only supports one window at time currently";
// id for window
id = i + 1;
// not valid
if (width <= 0 || height <= 0) return 0;
if (monitor) {
GLFW.requestFullscreen();
} else {
Browser.setCanvasSize(width, height);
}
// Create context when there are no existing alive windows
for (i = 0; i < GLFW.windows.length && GLFW.windows[i] == null; i++);
if (i == GLFW.windows.length) {
var contextAttributes = {
antialias: (GLFW.hints[0x0002100D] > 1), // GLFW_SAMPLES
depth: (GLFW.hints[0x00021005] > 0), // GLFW_DEPTH_BITS
stencil: (GLFW.hints[0x00021006] > 0), // GLFW_STENCIL_BITS
alpha: (GLFW.hints[0x00021004] > 0) // GLFW_ALPHA_BITS
}
Module.ctx = Browser.createContext(Module['canvas'], true, true, contextAttributes);
}
// If context creation failed, do not return a valid window
if (!Module.ctx) return 0;
// Get non alive id
var win = new GLFW.Window(id, width, height, title, monitor, share);
// Set window to array
if (id - 1 == GLFW.windows.length) {
GLFW.windows.push(win);
} else {
GLFW.windows[id - 1] = win;
}
GLFW.active = win;
return win.id;
},
destroyWindow: function(winid) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
#if USE_GLFW == 3
if (win.windowCloseFunc)
Runtime.dynCall('vi', win.windowCloseFunc, [win.id]);
#endif
GLFW.windows[win.id - 1] = null;
if (GLFW.active.id == win.id)
GLFW.active = null;
// Destroy context when no alive windows
for (var i = 0; i < GLFW.windows.length; i++)
if (GLFW.windows[i] !== null) return;
Module.ctx = Browser.destroyContext(Module['canvas'], true, true);
},
swapBuffers: function(winid) {
},
GLFW2ParamToGLFW3Param: function(param) {
table = {
0x00030001:0, // GLFW_MOUSE_CURSOR
0x00030002:0, // GLFW_STICKY_KEYS
0x00030003:0, // GLFW_STICKY_MOUSE_BUTTONS
0x00030004:0, // GLFW_SYSTEM_KEYS
0x00030005:0, // GLFW_KEY_REPEAT
0x00030006:0, // GLFW_AUTO_POLL_EVENTS
0x00020001:0, // GLFW_OPENED
0x00020002:0, // GLFW_ACTIVE
0x00020003:0, // GLFW_ICONIFIED
0x00020004:0, // GLFW_ACCELERATED
0x00020005:0x00021001, // GLFW_RED_BITS
0x00020006:0x00021002, // GLFW_GREEN_BITS
0x00020007:0x00021003, // GLFW_BLUE_BITS
0x00020008:0x00021004, // GLFW_ALPHA_BITS
0x00020009:0x00021005, // GLFW_DEPTH_BITS
0x0002000A:0x00021006, // GLFW_STENCIL_BITS
0x0002000B:0x0002100F, // GLFW_REFRESH_RATE
0x0002000C:0x00021007, // GLFW_ACCUM_RED_BITS
0x0002000D:0x00021008, // GLFW_ACCUM_GREEN_BITS
0x0002000E:0x00021009, // GLFW_ACCUM_BLUE_BITS
0x0002000F:0x0002100A, // GLFW_ACCUM_ALPHA_BITS
0x00020010:0x0002100B, // GLFW_AUX_BUFFERS
0x00020011:0x0002100C, // GLFW_STEREO
0x00020012:0, // GLFW_WINDOW_NO_RESIZE
0x00020013:0x0002100D, // GLFW_FSAA_SAMPLES
0x00020014:0x00022002, // GLFW_OPENGL_VERSION_MAJOR
0x00020015:0x00022003, // GLFW_OPENGL_VERSION_MINOR
0x00020016:0x00022006, // GLFW_OPENGL_FORWARD_COMPAT
0x00020017:0x00022007, // GLFW_OPENGL_DEBUG_CONTEXT
0x00020018:0x00022008, // GLFW_OPENGL_PROFILE
};
return table[param];
}
},
/*******************************************************************************
* GLFW FUNCTIONS
******************************************************************************/
glfwInit: function() {
if (GLFW.windows) return 1; // GL_TRUE
GLFW.initialTime = GLFW.getTime();
GLFW.hints = GLFW.defaultHints;
GLFW.windows = new Array()
GLFW.active = null;
window.addEventListener("keydown", GLFW.onKeydown, true);
window.addEventListener("keypress", GLFW.onKeyPress, true);
window.addEventListener("keyup", GLFW.onKeyup, true);
Module["canvas"].addEventListener("mousemove", GLFW.onMousemove, true);
Module["canvas"].addEventListener("mousedown", GLFW.onMouseButtonDown, true);
Module["canvas"].addEventListener("mouseup", GLFW.onMouseButtonUp, true);
Module["canvas"].addEventListener('wheel', GLFW.onMouseWheel, true);
Module["canvas"].addEventListener('mousewheel', GLFW.onMouseWheel, true);
Module["canvas"].addEventListener('mouseenter', GLFW.onMouseenter, true);
Module["canvas"].addEventListener('mouseleave', GLFW.onMouseleave, true);
Browser.resizeListeners.push(function(width, height) {
GLFW.onCanvasResize(width, height);
});
return 1; // GL_TRUE
},
glfwTerminate: function() {
window.removeEventListener("keydown", GLFW.onKeydown, true);
window.removeEventListener("keypress", GLFW.onKeyPress, true);
window.removeEventListener("keyup", GLFW.onKeyup, true);
Module["canvas"].removeEventListener("mousemove", GLFW.onMousemove, true);
Module["canvas"].removeEventListener("mousedown", GLFW.onMouseButtonDown, true);
Module["canvas"].removeEventListener("mouseup", GLFW.onMouseButtonUp, true);
Module["canvas"].removeEventListener('wheel', GLFW.onMouseWheel, true);
Module["canvas"].removeEventListener('mousewheel', GLFW.onMouseWheel, true);
Module["canvas"].removeEventListener('mouseenter', GLFW.onMouseenter, true);
Module["canvas"].removeEventListener('mouseleave', GLFW.onMouseleave, true);
Module["canvas"].width = Module["canvas"].height = 1;
GLFW.windows = null;
GLFW.active = null;
},
glfwGetVersion: function(major, minor, rev) {
#if USE_GLFW == 2
setValue(major, 2, 'i32');
setValue(minor, 7, 'i32');
setValue(rev, 7, 'i32');
#endif
#if USE_GLFW == 3
setValue(major, 3, 'i32');
setValue(minor, 0, 'i32');
setValue(rev, 0, 'i32');
#endif
},
glfwPollEvents: function() {},
glfwWaitEvents: function() {},
glfwGetTime: function() {
return GLFW.getTime() - GLFW.initialTime;
},
glfwSetTime: function(time) {
GLFW.initialTime = GLFW.getTime() + time;
},