uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit 32c18e82cac92d91d04ba007fb08054360232f7f
parent 89c07988acc63dee7c7c4706de492301cb94267d
Author: neauoire <aliceffekt@gmail.com>
Date:   Sun, 26 Dec 2021 21:33:23 -0800

Started extracting the controller device

Diffstat:
Msrc/uxnemu.c | 74+++++++++++++++++++++++++++++++++++++++++++++++---------------------------
1 file changed, 47 insertions(+), 27 deletions(-)

diff --git a/src/uxnemu.c b/src/uxnemu.c @@ -393,22 +393,42 @@ restart(Uxn *u) start(u, "boot.rom"); } +Uint8 +get_button(SDL_Event event) +{ + switch(event.key.keysym.sym) { + case SDLK_LCTRL: return 0x01; + case SDLK_LALT: return 0x02; + case SDLK_LSHIFT: return 0x04; + case SDLK_ESCAPE: return 0x08; + case SDLK_UP: return 0x10; + case SDLK_DOWN: return 0x20; + case SDLK_LEFT: return 0x40; + case SDLK_RIGHT: return 0x80; + } + return 0x00; +} + +void +controller_down(Device *d, Uint8 mask) +{ + d->dat[2] |= mask; + uxn_eval(d->u, d->vector); +} + +void +controller_up(Device *d, Uint8 mask) +{ + d->dat[2] &= (~mask); + uxn_eval(d->u, d->vector); +} + static void doctrl(Uxn *u, SDL_Event *event, int z) { - Uint8 flag = 0x00; SDL_Keymod mods = SDL_GetModState(); - devctrl->dat[2] &= 0xf8; - if(mods & KMOD_CTRL) devctrl->dat[2] |= 0x01; - if(mods & KMOD_ALT) devctrl->dat[2] |= 0x02; - if(mods & KMOD_SHIFT) devctrl->dat[2] |= 0x04; /* clang-format off */ switch(event->key.keysym.sym) { - case SDLK_ESCAPE: flag = 0x08; break; - case SDLK_UP: flag = 0x10; break; - case SDLK_DOWN: flag = 0x20; break; - case SDLK_LEFT: flag = 0x40; break; - case SDLK_RIGHT: flag = 0x80; break; case SDLK_F1: if(z) set_zoom(zoom > 2 ? 1 : zoom + 1); break; case SDLK_F2: if(z) devsystem->dat[0xe] = !devsystem->dat[0xe]; ppu_clear(&ppu, &ppu.fg); break; case SDLK_F3: if(z) capture_screen(); break; @@ -417,13 +437,11 @@ doctrl(Uxn *u, SDL_Event *event, int z) } /* clang-format on */ if(z) { - devctrl->dat[2] |= flag; if(event->key.keysym.sym < 0x20 || event->key.keysym.sym == SDLK_DELETE) devctrl->dat[3] = event->key.keysym.sym; else if((mods & KMOD_CTRL) && event->key.keysym.sym >= SDLK_a && event->key.keysym.sym <= SDLK_z) devctrl->dat[3] = event->key.keysym.sym - (mods & KMOD_SHIFT) * 0x20; - } else - devctrl->dat[2] &= ~flag; + } } static const char *errors[] = {"underflow", "overflow", "division by zero"}; @@ -453,6 +471,22 @@ run(Uxn *u) if(!BENCH) begin = SDL_GetPerformanceCounter(); while(SDL_PollEvent(&event) != 0) { + /* new handlers */ + if(event.type == SDL_MOUSEWHEEL) + mouse_z(devmouse, event.wheel.y); + else if(event.type == SDL_MOUSEBUTTONUP) + mouse_up(devmouse, 0x1 << (event.button.button - 1)); + else if(event.type == SDL_MOUSEBUTTONDOWN) + mouse_down(devmouse, 0x1 << (event.button.button - 1)); + else if(event.type == SDL_MOUSEMOTION) + mouse_xy(devmouse, + clamp(event.motion.x - PAD, 0, ppu.width - 1), + clamp(event.motion.y - PAD, 0, ppu.height - 1)); + else if(event.type == SDL_KEYDOWN) + controller_down(devctrl, get_button(event)); + else if(event.type == SDL_KEYUP) + controller_up(devctrl, get_button(event)); + /* continue */ switch(event.type) { case SDL_DROPFILE: set_size(WIDTH, HEIGHT, 0); @@ -474,20 +508,6 @@ run(Uxn *u) goto breakout; } break; - case SDL_MOUSEWHEEL: - mouse_z(devmouse, event.wheel.y); - break; - case SDL_MOUSEBUTTONUP: - mouse_up(devmouse, 0x1 << (event.button.button - 1)); - break; - case SDL_MOUSEBUTTONDOWN: - mouse_down(devmouse, 0x1 << (event.button.button - 1)); - break; - case SDL_MOUSEMOTION: - mouse_xy(devmouse, - clamp(event.motion.x - PAD, 0, ppu.width - 1), - clamp(event.motion.y - PAD, 0, ppu.height - 1)); - break; case SDL_WINDOWEVENT: if(event.window.event == SDL_WINDOWEVENT_EXPOSED) redraw(u);