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Diffstat (limited to 'src/scene00.c')
| -rw-r--r-- | src/scene00.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/scene00.c b/src/scene00.c new file mode 100644 index 0000000..746db29 --- /dev/null +++ b/src/scene00.c @@ -0,0 +1,73 @@ +/* + * demoscene-eo, an ASCII art demoscene written as a gift for Emmanuel Otton retirement + * Copyright (C) 2019 XXXXXX XXXXXXX <xxxxxx@xxxxxx.fr> + * + * This file is part of demoscene-eo. + * + * demoscene-eo is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * demoscene-eo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with demoscene-eo. If not, see <http://www.gnu.org/licenses/> + */ +#include "scene00.h" + +int scene00_init(graphical_env_t *ge, scene00_env_t *se) { + SDL_Surface *bmpSurf = SDL_LoadBMP("./res/eo1.bmp"); + se->eo1 = SDL_CreateTextureFromSurface(ge->sdl_rndr, bmpSurf); + SDL_FreeSurface(bmpSurf); + + return 0; +} + +void scene00_free(graphical_env_t *ge, scene00_env_t *se) { + SDL_DestroyTexture(se->eo1); se->eo1=NULL; +} + +int scene00_next(graphical_env_t *ge, scene00_env_t *se) { + // Shorthands + caca_canvas_t *cv = ge->cv; + int w = ge->w, h = ge->h; + Uint32 frame = ge->sc_framecount; + SDL_Renderer *r = ge->sdl_rndr; + // Local vars + int res; + + // https://gist.github.com/Twinklebear/8265888 + // https://forums.libsdl.org/viewtopic.php?p=51634 + + // Render all the stuff on target texture + SDL_SetRenderTarget(r, ge->sdl_target); + SDL_RenderCopy(r, se->eo1, NULL, NULL); + // [...] + + // Copy the SDL screen to SDL debug window (and display it, not mandatory) + SDL_SetRenderTarget(r, NULL); + SDL_RenderCopy(r, ge->sdl_target, NULL, NULL); + SDL_RenderPresent(r); + + // Download the rendered texture from videocard to main memory + res = SDL_RenderReadPixels(r, NULL, 0, ge->raw_target, 256*4); + + // "convert" the raw pixel stream to ASCII art on caca canevas + if ( res == 0 ) caca_dither_bitmap(cv, 0, 0, w, h, ge->d, ge->raw_target); + + // Add things on top of caca canvas + caca_set_color_ansi(cv, CACA_BLACK, CACA_WHITE); + caca_put_str(cv, (w-17)/2, h/2, "This is a message"); + caca_draw_line(cv,6,6,w-14,11, '*'); + caca_draw_thin_line(cv,frame%10,frame%10,w-10+frame%10,h-10+frame%10); + + if ( frame >= 100 ) { + return 1; + } + return 0; +} + |