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https://github.com/UpsilonNumworks/Upsilon.git
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80c6d052f2
We operate on a framebuffer (push/pull rect), and then copy it all to the screen at once. This avoids reading back from video memory. All in all, it goes *much* faster this way. Change-Id: I472d35988fde876906a9be71e0666b2c238114b3
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#include <ion/events.h>
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#include "display.h"
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extern "C" {
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#include <SDL/SDL.h>
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}
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Ion::Events::Event sEvent = Ion::Events::None;
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void IonEventsEmscriptenPushEvent(int eventNumber) {
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sEvent = Ion::Events::Event(eventNumber);
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}
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namespace Ion {
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namespace Events {
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static constexpr Event sEventForASCIICharAbove32[95] = {
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Space, Exclamation, DoubleQuotes, None, None, None, None, None,
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LeftParenthesis, RightParenthesis, Multiplication, Plus, Comma, Minus, Dot, Division,
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Zero, One, Two, Three, Four, Five, Six, Seven,
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Eight, Nine, Colon, SemiColon, Lower, Equal, Greater, Question,
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None, UpperA, UpperB, UpperC, UpperD, UpperE, UpperF, UpperG,
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UpperH, UpperI, UpperJ, UpperK, UpperL, UpperM, UpperN, UpperO,
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UpperP, UpperQ, UpperR, UpperS, UpperT, UpperU, UpperV, UpperW,
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UpperX, UpperY, UpperZ, LeftBracket, None, RightBracket, Power, Underscore,
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None, LowerA, LowerB, LowerC, LowerD, LowerE, LowerF, LowerG,
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LowerH, LowerI, LowerJ, LowerK, LowerL, LowerM, LowerN, LowerO,
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LowerP, LowerQ, LowerR, LowerS, LowerT, LowerU, LowerV, LowerW,
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LowerX, LowerY, LowerZ, LeftBrace, None, RightBrace, None
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};
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Event getEvent(int * timeout) {
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Ion::Display::Emscripten::refresh();
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if (sEvent != Ion::Events::None) {
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Ion::Events::Event event = sEvent;
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sEvent = Ion::Events::None;
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return event;
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}
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SDL_Event event;
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if (SDL_PollEvent(&event)) {
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if (event.type == SDL_KEYDOWN) {
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switch(event.key.keysym.sym) {
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case SDLK_UP:
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return Ion::Events::Up;
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case SDLK_DOWN:
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return Ion::Events::Down;
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case SDLK_LEFT:
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return Ion::Events::Left;
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case SDLK_RIGHT:
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return Ion::Events::Right;
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case SDLK_RETURN:
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return Ion::Events::OK;
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case SDLK_ESCAPE:
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return Ion::Events::Back;
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case SDLK_BACKSPACE:
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return Ion::Events::Backspace;
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}
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if (event.key.keysym.unicode >= 32 && event.key.keysym.unicode < 127) {
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return sEventForASCIICharAbove32[event.key.keysym.unicode-32];
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}
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}
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}
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return Ion::Events::None;
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}
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}
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}
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namespace Ion {
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namespace Events {
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namespace Emscripten {
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void init() {
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SDL_EnableUNICODE(1); // We're using Unicode values from Keyboard input
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}
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}
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}
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}
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