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author Miodrag Milanovic <mmicko@gmail.com>2015-09-12 10:23:53 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2015-09-12 10:23:53 +0200
commit7ca8f88a5c399317265d9a2f5132eab2ab7723ac (patch)
treecf7af75fb307bd040508c4c2455d3bd6755619f4 /3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp
parent6d06509293e2fe6b1743085471f0ff5268a1b351 (diff)
Added latest BGFX (nw)
Diffstat (limited to '3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp')
-rw-r--r--3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp338
1 files changed, 333 insertions, 5 deletions
diff --git a/3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp b/3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp
index 3ac5497b1d0..f5c3dc62c4d 100644
--- a/3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp
+++ b/3rdparty/bgfx/examples/common/entry/entry_asmjs.cpp
@@ -8,29 +8,356 @@
#if BX_PLATFORM_EMSCRIPTEN
#include <emscripten.h>
+#include <emscripten/html5.h>
+
+extern "C" void entry_emscripten_yield()
+{
+// emscripten_sleep(0);
+}
namespace entry
{
+ static WindowHandle s_defaultWindow = { 0 };
+
+ static uint8_t s_translateKey[256];
+
+ struct Context
+ {
+ Context()
+ : m_scrollf(0.0f)
+ , m_mx(0)
+ , m_my(0)
+ , m_scroll(0)
+ {
+ memset(s_translateKey, 0, sizeof(s_translateKey));
+ s_translateKey[27] = Key::Esc;
+ s_translateKey[uint8_t('\n')] =
+ s_translateKey[uint8_t('\r')] = Key::Return;
+ s_translateKey[uint8_t('\t')] = Key::Tab;
+ s_translateKey[127] = Key::Backspace;
+ s_translateKey[uint8_t(' ')] = Key::Space;
+ s_translateKey[38] = Key::Up;
+ s_translateKey[40] = Key::Down;
+ s_translateKey[37] = Key::Left;
+ s_translateKey[39] = Key::Right;
+
+ s_translateKey[uint8_t('+')] =
+ s_translateKey[uint8_t('=')] = Key::Plus;
+ s_translateKey[uint8_t('_')] =
+ s_translateKey[uint8_t('-')] = Key::Minus;
+
+ s_translateKey[uint8_t(':')] =
+ s_translateKey[uint8_t(';')] = Key::Semicolon;
+ s_translateKey[uint8_t('"')] =
+ s_translateKey[uint8_t('\'')] = Key::Quote;
+
+ s_translateKey[uint8_t('{')] =
+ s_translateKey[uint8_t('[')] = Key::LeftBracket;
+ s_translateKey[uint8_t('}')] =
+ s_translateKey[uint8_t(']')] = Key::RightBracket;
+
+ s_translateKey[uint8_t('<')] =
+ s_translateKey[uint8_t(',')] = Key::Comma;
+ s_translateKey[uint8_t('>')] =
+ s_translateKey[uint8_t('.')] = Key::Period;
+ s_translateKey[uint8_t('?')] =
+ s_translateKey[uint8_t('/')] = Key::Slash;
+ s_translateKey[uint8_t('|')] =
+ s_translateKey[uint8_t('\\')] = Key::Backslash;
+
+ s_translateKey[uint8_t('~')] =
+ s_translateKey[uint8_t('`')] = Key::Tilde;
+
+ s_translateKey[uint8_t('0')] = Key::Key0;
+ s_translateKey[uint8_t('1')] = Key::Key1;
+ s_translateKey[uint8_t('2')] = Key::Key2;
+ s_translateKey[uint8_t('3')] = Key::Key3;
+ s_translateKey[uint8_t('4')] = Key::Key4;
+ s_translateKey[uint8_t('5')] = Key::Key5;
+ s_translateKey[uint8_t('6')] = Key::Key6;
+ s_translateKey[uint8_t('7')] = Key::Key7;
+ s_translateKey[uint8_t('8')] = Key::Key8;
+ s_translateKey[uint8_t('9')] = Key::Key9;
+
+ for (char ch = 'a'; ch <= 'z'; ++ch)
+ {
+ s_translateKey[uint8_t(ch)] =
+ s_translateKey[uint8_t(ch - ' ')] = Key::KeyA + (ch - 'a');
+ }
+ }
+
+ int32_t run(int _argc, char** _argv)
+ {
+ emscripten_set_mousedown_callback("#canvas", this, true, mouseCb);
+ emscripten_set_mouseup_callback("#canvas", this, true, mouseCb);
+ emscripten_set_mousemove_callback("#canvas", this, true, mouseCb);
+
+ emscripten_set_wheel_callback("#canvas", this, true, wheelCb);
+
+ emscripten_set_keypress_callback(NULL, this, true, keyCb);
+ emscripten_set_keydown_callback(NULL, this, true, keyCb);
+ emscripten_set_keyup_callback(NULL, this, true, keyCb);
+
+ emscripten_set_resize_callback(0, this, true, resizeCb);
+
+ EmscriptenFullscreenStrategy fullscreenStrategy = {};
+ fullscreenStrategy.scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_DEFAULT;
+ fullscreenStrategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE;
+ fullscreenStrategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT;
+ fullscreenStrategy.canvasResizedCallback = canvasResizeCb;
+ fullscreenStrategy.canvasResizedCallbackUserData = this;
+
+ emscripten_request_fullscreen_strategy("#canvas", false, &fullscreenStrategy);
+
+ emscripten_set_focus_callback(NULL, this, true, focusCb);
+ emscripten_set_focusin_callback(NULL, this, true, focusCb);
+ emscripten_set_focusout_callback(NULL, this, true, focusCb);
+
+ int32_t result = main(_argc, _argv);
+ return result;
+ }
+
+ static EM_BOOL mouseCb(int eventType, const EmscriptenMouseEvent* event, void* userData);
+ static EM_BOOL wheelCb(int eventType, const EmscriptenWheelEvent* event, void* userData);
+ static EM_BOOL keyCb(int eventType, const EmscriptenKeyboardEvent* event, void* userData);
+ static EM_BOOL resizeCb(int eventType, const EmscriptenUiEvent* event, void* userData);
+ static EM_BOOL canvasResizeCb(int eventType, const void* reserved, void* userData);
+ static EM_BOOL focusCb(int eventType, const EmscriptenFocusEvent* event, void* userData);
+
+ EventQueue m_eventQueue;
+
+ float m_scrollf;
+ int32_t m_mx;
+ int32_t m_my;
+ int32_t m_scroll;
+ };
+
+ static Context s_ctx;
+
+ EM_BOOL Context::mouseCb(int eventType, const EmscriptenMouseEvent* event, void* userData)
+ {
+ BX_UNUSED(userData);
+
+ if (event)
+ {
+ switch (eventType)
+ {
+ case EMSCRIPTEN_EVENT_MOUSEMOVE:
+ {
+ s_ctx.m_mx = event->canvasX;
+ s_ctx.m_my = event->canvasY;
+ s_ctx.m_eventQueue.postMouseEvent(s_defaultWindow, s_ctx.m_mx, s_ctx.m_my, s_ctx.m_scroll);
+ return true;
+ }
+ case EMSCRIPTEN_EVENT_MOUSEDOWN:
+ case EMSCRIPTEN_EVENT_MOUSEUP:
+ case EMSCRIPTEN_EVENT_DBLCLICK:
+ {
+ s_ctx.m_mx = event->canvasX;
+ s_ctx.m_my = event->canvasY;
+ MouseButton::Enum mb = (event->button == 2) ? MouseButton::Right : ((event->button == 1) ? MouseButton::Middle : MouseButton::Left);
+ s_ctx.m_eventQueue.postMouseEvent(s_defaultWindow, s_ctx.m_mx, s_ctx.m_my, s_ctx.m_scroll, mb, (eventType != EMSCRIPTEN_EVENT_MOUSEUP));
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ EM_BOOL Context::wheelCb(int eventType, const EmscriptenWheelEvent* event, void* userData)
+ {
+ BX_UNUSED(userData);
+
+ if (event)
+ {
+ switch (eventType)
+ {
+ case EMSCRIPTEN_EVENT_WHEEL:
+ {
+ s_ctx.m_scrollf += event->deltaY;
+
+ s_ctx.m_scroll = (int32_t)s_ctx.m_scrollf;
+ s_ctx.m_eventQueue.postMouseEvent(s_defaultWindow, s_ctx.m_mx, s_ctx.m_my, s_ctx.m_scroll);
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ uint8_t translateModifiers(const EmscriptenKeyboardEvent* event)
+ {
+ uint8_t mask = 0;
+
+ if (event->shiftKey)
+ mask |= Modifier::LeftShift | Modifier::RightShift;
+
+ if (event->altKey)
+ mask |= Modifier::LeftAlt | Modifier::RightAlt;
+
+ if (event->ctrlKey)
+ mask |= Modifier::LeftCtrl | Modifier::RightCtrl;
+
+ if (event->metaKey)
+ mask |= Modifier::LeftMeta | Modifier::RightMeta;
+
+ return mask;
+ }
+
+ Key::Enum handleKeyEvent(const EmscriptenKeyboardEvent* event, uint8_t* specialKeys, uint8_t* _pressedChar)
+ {
+ *_pressedChar = (uint8_t)event->keyCode;
+
+ int keyCode = (int)event->keyCode;
+ *specialKeys = translateModifiers(event);
+
+ if (event->charCode == 0)
+ {
+ switch (keyCode)
+ {
+ case 112: return Key::F1;
+ case 113: return Key::F2;
+ case 114: return Key::F3;
+ case 115: return Key::F4;
+ case 116: return Key::F5;
+ case 117: return Key::F6;
+ case 118: return Key::F7;
+ case 119: return Key::F8;
+ case 120: return Key::F9;
+ case 121: return Key::F10;
+ case 122: return Key::F11;
+ case 123: return Key::F12;
+
+ case 37: return Key::Left;
+ case 39: return Key::Right;
+ case 38: return Key::Up;
+ case 40: return Key::Down;
+ }
+ }
+
+ // if this is a unhandled key just return None
+ if (keyCode < 256)
+ {
+ return (Key::Enum)s_translateKey[keyCode];
+ }
+
+ return Key::None;
+ }
+
+ EM_BOOL Context::keyCb(int eventType, const EmscriptenKeyboardEvent *event, void *userData)
+ {
+ BX_UNUSED(userData);
+
+ if (event)
+ {
+ uint8_t modifiers = 0;
+ uint8_t pressedChar[4];
+ Key::Enum key = handleKeyEvent(event, &modifiers, &pressedChar[0]);
+
+ // Returning true means that we take care of the key (instead of the default behavior)
+ if (key != Key::None)
+ {
+ switch (eventType)
+ {
+ case EMSCRIPTEN_EVENT_KEYPRESS:
+ case EMSCRIPTEN_EVENT_KEYDOWN:
+ {
+ if (key == Key::KeyQ && (modifiers & Modifier::RightMeta) )
+ {
+ s_ctx.m_eventQueue.postExitEvent();
+ }
+ else
+ {
+ enum { ShiftMask = Modifier::LeftShift|Modifier::RightShift };
+ s_ctx.m_eventQueue.postCharEvent(s_defaultWindow, 1, pressedChar);
+ s_ctx.m_eventQueue.postKeyEvent(s_defaultWindow, key, modifiers, true);
+ return true;
+ }
+ break;
+ }
+ case EMSCRIPTEN_EVENT_KEYUP:
+ {
+ s_ctx.m_eventQueue.postKeyEvent(s_defaultWindow, key, modifiers, false);
+ return true;
+ }
+ }
+ }
+
+ }
+ return false;
+ }
+
+ EM_BOOL Context::resizeCb(int eventType, const EmscriptenUiEvent* event, void* userData)
+ {
+ BX_UNUSED(eventType, event, userData);
+ return false;
+ }
+
+ EM_BOOL Context::canvasResizeCb(int eventType, const void* reserved, void* userData)
+ {
+ BX_UNUSED(eventType, reserved, userData);
+ return false;
+ }
+
+ EM_BOOL Context::focusCb(int eventType, const EmscriptenFocusEvent* event, void* userData)
+ {
+ printf("focusCb %d", eventType);
+ BX_UNUSED(event, userData);
+
+ if (event)
+ {
+ switch (eventType)
+ {
+ case EMSCRIPTEN_EVENT_BLUR:
+ {
+ s_ctx.m_eventQueue.postSuspendEvent(s_defaultWindow, Suspend::DidSuspend);
+ return true;
+ }
+ case EMSCRIPTEN_EVENT_FOCUS:
+ {
+ s_ctx.m_eventQueue.postSuspendEvent(s_defaultWindow, Suspend::DidResume);
+ return true;
+ }
+ case EMSCRIPTEN_EVENT_FOCUSIN:
+ {
+ s_ctx.m_eventQueue.postSuspendEvent(s_defaultWindow, Suspend::WillResume);
+ return true;
+ }
+ case EMSCRIPTEN_EVENT_FOCUSOUT:
+ {
+ s_ctx.m_eventQueue.postSuspendEvent(s_defaultWindow, Suspend::WillSuspend);
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
const Event* poll()
{
- return NULL;
+ entry_emscripten_yield();
+ return s_ctx.m_eventQueue.poll();
}
const Event* poll(WindowHandle _handle)
{
- BX_UNUSED(_handle);
- return NULL;
+ entry_emscripten_yield();
+ return s_ctx.m_eventQueue.poll(_handle);
}
void release(const Event* _event)
{
- BX_UNUSED(_event);
+ s_ctx.m_eventQueue.release(_event);
}
WindowHandle createWindow(int32_t _x, int32_t _y, uint32_t _width, uint32_t _height, uint32_t _flags, const char* _title)
{
BX_UNUSED(_x, _y, _width, _height, _flags, _title);
WindowHandle handle = { UINT16_MAX };
+
return handle;
}
@@ -72,7 +399,8 @@ namespace entry
int main(int _argc, char** _argv)
{
- return entry::main(_argc, _argv);
+ using namespace entry;
+ return s_ctx.run(_argc, _argv);
}
#endif // BX_PLATFORM_EMSCRIPTEN