1 /* startscreen.c */
2
3 # include <stdio.h>
4 # include <stdlib.h>
5 # include "SDL2/SDL.h"
6 # include "SDL2/SDL_image.h"
7 # include "SDL2/SDL_mixer.h"
8
startscreen(SDL_Window * screen,uint * state,uint * grapset,uint * fullscreen)9 void startscreen(SDL_Window *screen,uint *state,uint *grapset,uint *fullscreen) {
10
11 /* Renderer (with VSync, nice !) */
12 SDL_Renderer *renderer = SDL_CreateRenderer(screen, -1, SDL_RENDERER_PRESENTVSYNC|SDL_RENDERER_ACCELERATED);
13 SDL_SetHint("SDL_HINT_RENDER_SCALE_QUALITY", "0");
14 SDL_RenderSetLogicalSize(renderer, 256, 192);
15
16 uint exit = 0;
17 uint musicplay = 0;
18
19 SDL_Rect srcintro = {0,0,256,192};
20 SDL_Rect desintro = {0,0,256,192};
21
22 SDL_Event keyp;
23
24 /* Loading PNG */
25 SDL_Texture *intro = IMG_LoadTexture(renderer, DATADIR "/graphics/intro.png");
26 SDL_Texture *intromd = IMG_LoadTexture(renderer, DATADIR "/graphics/intromd.png");
27
28 /* Load audio */
29 Mix_Music *music = Mix_LoadMUS(DATADIR "/sounds/MainTitleN.ogg");
30
31 while (exit != 1) {
32
33 /* Cleaning the renderer */
34 SDL_RenderClear(renderer);
35
36 /* Put image on renderer */
37 if (*grapset == 0)
38 SDL_RenderCopy(renderer, intro, &srcintro, &desintro);
39 else
40 SDL_RenderCopy(renderer, intromd, &srcintro, &desintro);
41
42 /* Flip ! */
43 SDL_RenderPresent(renderer);
44
45 /* Play music if required */
46 if (musicplay == 0) {
47 musicplay = 1;
48 Mix_PlayMusic(music, 0);
49 }
50
51 /* Check keyboard */
52 if ( SDL_PollEvent(&keyp) ) {
53 if (keyp.type == SDL_KEYDOWN) { /* Key pressed */
54 if (keyp.key.keysym.sym == SDLK_c) { /* Change graphic set */
55 if (*grapset == 0)
56 *grapset = 1;
57 else
58 *grapset = 0;
59 }
60 if (keyp.key.keysym.sym == SDLK_i) { /* Show instructions */
61 if (srcintro.y == 0)
62 srcintro.y = 192;
63 else {
64 srcintro.y = 0;
65 musicplay = 0;
66 }
67 }
68 if (keyp.key.keysym.sym == SDLK_f) { /* Switch fullscreen/windowed */
69 if (*fullscreen == 0) {
70 SDL_SetWindowFullscreen(screen,SDL_WINDOW_FULLSCREEN_DESKTOP);
71 *fullscreen = 1;
72 }
73 else {
74 SDL_SetWindowFullscreen(screen,0);
75 *fullscreen = 0;
76 }
77 }
78 if (keyp.key.keysym.sym == SDLK_SPACE) { /* Start game */
79 *state = 1;
80 exit = 1;
81 }
82 if (keyp.key.keysym.sym == SDLK_ESCAPE) { /* Exit game */
83 exit = 1;
84 *state = 6;
85 }
86 }
87 }
88
89 }
90
91 /* Cleaning */
92 SDL_DestroyTexture(intro);
93 SDL_DestroyTexture(intromd);
94 SDL_DestroyRenderer(renderer);
95
96 }
