- First commit

.gitignore

@@ -0,0 +1,2 @@
+jix
+*.exe

Makefile

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+all:
+	gcc main.c -lmingw32 -lSDL2main -lSDL2 -o jix.exe

main.c

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+#include <SDL2/SDL.h>
+#include <stdio.h>
+
+#define AMUNT 0
+#define DRETA 1
+#define AVALL 2
+#define ESQUERRA 3
+
+#define OFFSET_X 60
+#define OFFSET_Y 35
+
+#define MODE_NORMAL 0
+#define MODE_CREANT 1
+
+SDL_Window *win;
+SDL_Renderer *ren;
+SDL_Texture * tex;
+
+Uint8 pixels[200*200];
+int player_x = 100;
+int player_y = 199;
+int mode = MODE_NORMAL;
+
+void draw_player()
+{
+    const int x = player_x+OFFSET_X;
+    const int y = player_y+OFFSET_Y;
+    SDL_SetRenderDrawColor(ren, 217, 87, 99, 255);
+    SDL_RenderDrawLine(ren, x, y-3, x+3, y);
+    SDL_RenderDrawLine(ren, x+3, y, x, y+3);
+    SDL_RenderDrawLine(ren, x, y+3, x-3, y);
+    SDL_RenderDrawLine(ren, x-3, y, x, y-3);
+}
+
+void put_pix()
+{
+    pixels[player_x+player_y*200] = 2;
+    SDL_SetRenderTarget(ren, tex);
+    SDL_SetRenderDrawColor(ren, 128, 128, 128, 255);
+    SDL_RenderDrawPoint(ren, player_x, player_y);
+    SDL_SetRenderTarget(ren, NULL);
+}
+
+void close_sector()
+{
+    SDL_SetRenderTarget(ren, tex);
+    SDL_SetRenderDrawColor(ren, 255, 255, 255, 255);
+    for (int y=0;y<200;++y)
+        for (int x=0;x<200;++x)
+            if (pixels[x+y*200]==2)
+            {
+                pixels[x+y*200]=1;
+                SDL_RenderDrawPoint(ren, x, y);
+            }
+    SDL_SetRenderTarget(ren, NULL);
+}
+
+int main(int argc, char *argv[])
+{
+    srand(SDL_GetTicks());
+    SDL_Init(SDL_INIT_EVERYTHING);
+    win = SDL_CreateWindow("JIX", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 960, 720, SDL_WINDOW_SHOWN);
+    ren = SDL_CreateRenderer(win, -1, 0);
+    tex = SDL_CreateTexture(ren, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, 200, 200);
+    SDL_RenderSetLogicalSize(ren, 320, 240);
+
+    for (int i=0; i<200*200; ++i) pixels[i]=0;
+    for (int i=0; i<200; ++i) pixels[i]=pixels[i+199*200]=pixels[i*200]=pixels[199+i*200]=1;
+    
+    SDL_SetRenderTarget(ren, tex);
+    SDL_SetRenderDrawColor(ren, 0, 0, 0, 255);
+    SDL_RenderClear(ren);
+    SDL_SetRenderDrawColor(ren, 255, 255, 255, 255);
+    SDL_RenderDrawLine(ren, 0, 0, 199, 0);
+    SDL_RenderDrawLine(ren, 0, 0, 0, 199);
+    SDL_RenderDrawLine(ren, 199, 199, 199, 0);
+    SDL_RenderDrawLine(ren, 199, 199, 0, 199);
+    SDL_SetRenderTarget(ren, NULL);
+
+    int should_exit = 0;
+    SDL_Event e;
+    Uint32 t = SDL_GetTicks();
+    const Uint8 *keys = SDL_GetKeyboardState(NULL);
+
+    while (!should_exit)
+    {
+        while (SDL_PollEvent(&e))
+        {
+            if (e.type == SDL_QUIT) {should_exit=1;break;}
+            if (e.type == SDL_KEYDOWN)
+            {
+                switch(e.key.keysym.scancode) {
+                    case SDL_SCANCODE_ESCAPE: should_exit = 1; break;
+                };
+            }
+        }
+
+        if (SDL_GetTicks()-t>=15)
+        {
+            if (keys[SDL_SCANCODE_UP] && ( mode==MODE_CREANT || keys[SDL_SCANCODE_SPACE] || (player_y>0 && pixels[player_x+(player_y-1)*200]==1))) { if (mode==MODE_CREANT) put_pix(); mode = MODE_CREANT; player_y--; }
+            else if (keys[SDL_SCANCODE_RIGHT] && ( mode==MODE_CREANT || keys[SDL_SCANCODE_SPACE] || (player_x<199 && pixels[player_x+1+player_y*200]==1))) { if (mode==MODE_CREANT) put_pix(); mode = MODE_CREANT; player_x++; }
+            else if (keys[SDL_SCANCODE_DOWN] && ( mode==MODE_CREANT || keys[SDL_SCANCODE_SPACE] || (player_y<199 && pixels[player_x+(player_y+1)*200]==1))) { if (mode==MODE_CREANT) put_pix(); mode = MODE_CREANT; player_y++; }
+            else if (keys[SDL_SCANCODE_LEFT] && ( mode==MODE_CREANT || keys[SDL_SCANCODE_SPACE] || (player_x>0 && pixels[player_x-1+player_y*200]==1))) { if (mode==MODE_CREANT) put_pix(); mode = MODE_CREANT; player_x--; }
+            if (pixels[player_x+player_y*200]==1) {
+                close_sector();
+                mode = MODE_NORMAL;
+            }
+            t = SDL_GetTicks();
+        }
+        SDL_SetRenderDrawColor(ren, 0, 0, 0, 255);
+        SDL_RenderClear(ren);
+        SDL_Rect rect = {OFFSET_X,OFFSET_Y,200,200};
+        SDL_RenderCopy(ren, tex, NULL, &rect);
+        draw_player();
+        SDL_RenderPresent(ren);
+    }
+
+    SDL_Quit();
+    return 0;
+}