uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit 2822e598ed150d12cbfcc0efc83dbae68a8f6eb4
parent eeeeb905429542d931efd20a4896915fbcbbac86
Author: neauoire <aliceffekt@gmail.com>
Date:   Wed, 22 Sep 2021 10:57:43 -0700

Minor cleanup

Diffstat:
Msrc/uxnemu.c | 135+++++++++++++++++++++++++++++++++++++++----------------------------------------
1 file changed, 67 insertions(+), 68 deletions(-)

diff --git a/src/uxnemu.c b/src/uxnemu.c @@ -106,19 +106,74 @@ stdin_handler(void *p) } static void +set_inspect(Uint8 flag) +{ + devsystem->dat[0xe] = flag; + reqdraw = 1; +} + +static void set_window_size(SDL_Window *window, int w, int h) { - SDL_Point win, win_old, win_ratio; + SDL_Point win, win_old; SDL_GetWindowPosition(window, &win.x, &win.y); SDL_GetWindowSize(window, &win_old.x, &win_old.y); - win_ratio.x = win.x + win_old.x / 2; - win_ratio.y = win.y + win_old.y / 2; - SDL_SetWindowPosition(window, win_ratio.x - w / 2, win_ratio.y - h / 2); + SDL_SetWindowPosition(window, (win.x + win_old.x / 2) - w / 2, (win.y + win_old.y / 2) - h / 2); SDL_SetWindowSize(window, w, h); } static void -inspect(Ppu *p, Uint8 *stack, Uint8 wptr, Uint8 rptr, Uint8 *memory) +set_zoom(Uint8 scale) +{ + if(scale == zoom) + return; + zoom = clamp(scale, 1, 3); + set_window_size(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom); + reqdraw = 1; +} + +static int +set_size(Uint16 width, Uint16 height, int is_resize) +{ + ppu_set_size(&ppu, width, height); + gRect.x = PAD; + gRect.y = PAD; + gRect.w = ppu.width; + gRect.h = ppu.height; + if(!(ppu_screen = realloc(ppu_screen, ppu.width * ppu.height * sizeof(Uint32)))) + return error("ppu_screen", "Memory failure"); + memset(ppu_screen, 0, ppu.width * ppu.height * sizeof(Uint32)); + if(gTexture != NULL) SDL_DestroyTexture(gTexture); + SDL_RenderSetLogicalSize(gRenderer, ppu.width + PAD * 2, ppu.height + PAD * 2); + gTexture = SDL_CreateTexture(gRenderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, ppu.width + PAD * 2, ppu.height + PAD * 2); + if(gTexture == NULL || SDL_SetTextureBlendMode(gTexture, SDL_BLENDMODE_NONE)) + return error("sdl_texture", SDL_GetError()); + SDL_UpdateTexture(gTexture, NULL, ppu_screen, sizeof(Uint32)); + if(is_resize) + set_window_size(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom); + reqdraw = 1; + return 1; +} + +static void +capture_screen(void) +{ + const Uint32 format = SDL_PIXELFORMAT_RGB24; + time_t t = time(NULL); + char fname[64]; + int w, h; + SDL_Surface *surface; + SDL_GetRendererOutputSize(gRenderer, &w, &h); + surface = SDL_CreateRGBSurfaceWithFormat(0, w, h, 24, format); + SDL_RenderReadPixels(gRenderer, NULL, format, surface->pixels, surface->pitch); + strftime(fname, sizeof(fname), "screenshot-%Y%m%d-%H%M%S.bmp", localtime(&t)); + SDL_SaveBMP(surface, fname); + SDL_FreeSurface(surface); + fprintf(stderr, "Saved %s\n", fname); +} + +static void +draw_inspect(Ppu *p, Uint8 *stack, Uint8 wptr, Uint8 rptr, Uint8 *memory) { Uint8 i, x, y, b; for(i = 0; i < 0x20; ++i) { /* stack */ @@ -157,7 +212,7 @@ redraw(Uxn *u) Uint16 x, y, y0 = 0, y1 = ppu.height; SDL_Rect up = gRect; if(devsystem->dat[0xe]) - inspect(&ppu, u->wst.dat, u->wst.ptr, u->rst.ptr, u->ram.dat); + draw_inspect(&ppu, u->wst.dat, u->wst.ptr, u->rst.ptr, u->ram.dat); if(!reqdraw && ppu.redraw) { y0 = ppu.i0 / ppu.stride; y1 = ppu.i1 / ppu.stride + 1; @@ -176,62 +231,6 @@ redraw(Uxn *u) } static void -toggle_debug(Uxn *u) -{ - devsystem->dat[0xe] = !devsystem->dat[0xe]; - redraw(u); -} - -static void -set_zoom(Uxn *u, Uint8 scale) -{ - if(scale == zoom) - return; - zoom = clamp(scale, 1, 3); - set_window_size(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom); - redraw(u); -} - -static void -capture_screen(void) -{ - const Uint32 format = SDL_PIXELFORMAT_RGB24; - time_t t = time(NULL); - char fname[64]; - int w, h; - SDL_Surface *surface; - SDL_GetRendererOutputSize(gRenderer, &w, &h); - surface = SDL_CreateRGBSurfaceWithFormat(0, w, h, 24, format); - SDL_RenderReadPixels(gRenderer, NULL, format, surface->pixels, surface->pitch); - strftime(fname, sizeof(fname), "screenshot-%Y%m%d-%H%M%S.bmp", localtime(&t)); - SDL_SaveBMP(surface, fname); - SDL_FreeSurface(surface); - fprintf(stderr, "Saved %s\n", fname); -} - -static int -set_size(Uint16 width, Uint16 height, int is_resize) -{ - ppu_set_size(&ppu, width, height); - gRect.x = PAD; - gRect.y = PAD; - gRect.w = ppu.width; - gRect.h = ppu.height; - if(!(ppu_screen = realloc(ppu_screen, ppu.width * ppu.height * sizeof(Uint32)))) - return error("ppu_screen", "Memory failure"); - memset(ppu_screen, 0, ppu.width * ppu.height * sizeof(Uint32)); - if(gTexture != NULL) SDL_DestroyTexture(gTexture); - SDL_RenderSetLogicalSize(gRenderer, ppu.width + PAD * 2, ppu.height + PAD * 2); - gTexture = SDL_CreateTexture(gRenderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, ppu.width + PAD * 2, ppu.height + PAD * 2); - if(gTexture == NULL || SDL_SetTextureBlendMode(gTexture, SDL_BLENDMODE_NONE)) - return error("sdl_texture", SDL_GetError()); - SDL_UpdateTexture(gTexture, NULL, ppu_screen, sizeof(Uint32)); - if(is_resize) set_window_size(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom); - reqdraw = 1; - return 1; -} - -static void quit(void) { SDL_UnlockAudioDevice(audio_id); @@ -301,7 +300,7 @@ domouse(SDL_Event *event) } static void -doctrl(Uxn *u, SDL_Event *event, int z) +doctrl(SDL_Event *event, int z) { Uint8 flag = 0x00; SDL_Keymod mods = SDL_GetModState(); @@ -316,8 +315,8 @@ doctrl(Uxn *u, SDL_Event *event, int z) 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(u, zoom == 3 ? 1 : zoom + 1); break; - case SDLK_F2: if(z) toggle_debug(u); break; + case SDLK_F1: if(z) set_zoom(zoom == 3 ? 1 : zoom + 1); break; + case SDLK_F2: if(z) set_inspect(!devsystem->dat[0xe]); break; case SDLK_F3: if(z) capture_screen(); break; } /* clang-format on */ @@ -520,7 +519,7 @@ run(Uxn *u) devctrl->dat[3] = event.text.text[0]; /* fall-thru */ case SDL_KEYDOWN: case SDL_KEYUP: - doctrl(u, &event, event.type == SDL_KEYDOWN); + doctrl(&event, event.type == SDL_KEYDOWN); uxn_eval(u, peek16(devctrl->dat, 0)); devctrl->dat[3] = 0; break; @@ -605,12 +604,12 @@ main(int argc, char **argv) return error("Window", "Failed to set window size."); /* default zoom */ SDL_GetCurrentDisplayMode(0, &DM); - set_zoom(&u, DM.w / 1000); + set_zoom(DM.w / 1000); /* zoom from flags */ for(i = 1; i < argc - 1; i++) { if(strcmp(argv[i], "-s") == 0) { if((i + 1) < argc - 1) - set_zoom(&u, atoi(argv[++i])); + set_zoom(atoi(argv[++i])); else return error("Opt", "-s No scale provided."); }