draw pattern

C/draw.cpp

@@ -0,0 +1,36 @@
+void drawRects(int step){
+
+  SDL_RenderClear(renderer);
+
+  int cols = matrix[1];
+  int rows = matrix[0];
+  int colWidth = ((600-5)/cols)-5;
+  int rowHeight = ((300-5)/rows)-5;
+
+  for(int i=0; i<rows; i++) {
+    for(int y=0; y<cols; y++) {
+      SDL_Rect rect;
+      rect.x = (colWidth+5)*y+5;
+      rect.y = (rowHeight+5)*i+5;
+      rect.w = colWidth;
+      rect.h = rowHeight;
+
+      if(pattern[i][y] == 1) {
+        SDL_SetRenderDrawColor(renderer, 50, 255, 50, 255);
+      } else {
+        SDL_SetRenderDrawColor(renderer, 50, 50, 50, 255);
+      }
+      SDL_RenderFillRect(renderer, &rect);
+
+      if(step == y) {
+        SDL_SetRenderDrawColor(renderer, 200, 200, 200, 255);
+        SDL_RenderDrawRect(renderer, &rect);
+      }
+
+      SDL_SetRenderDrawColor(renderer, 100, 100, 100, 255);
+    }
+  }
+
+  SDL_RenderPresent(renderer);
+}
+

C/inputs.cpp

@@ -1,4 +1,4 @@
-void inputActions(SDL_Event e, int step) {
+void inputActions(SDL_Event e) {
   switch (e.key.keysym.sym) {
     case SDLK_1:
       setSample(1, step);
@@ -12,6 +12,11 @@ void inputActions(SDL_Event e, int step) {
     case SDLK_4:
       setSample(4, step);
       break;
+
+    case SDLK_p:
+      play = !play;
+      step = 0;
+      break;
     default:
       break;
   }

C/loaders.cpp

@@ -68,6 +68,7 @@ void loadPattern(int patternNum) {
   matrix[0] = rows;
   matrix[1] = cols;
 
+
   for(int i=0; i<rows; i++) {
     for(int y=0; y<cols; y++) {
       printf("%d ", pattern[i][y]);
@@ -75,6 +76,8 @@ void loadPattern(int patternNum) {
     printf("\n");
   }
 
+  drawRects(0);
+
   fclose(fp);
   if(line) {free(line);}
   loadBank(bank);

C/main.cpp

@@ -13,9 +13,15 @@
 #define PATTERN_COLS 32
 
 Mix_Chunk* samples[NUM_WAVEFORMS];
+SDL_Window* window;
+SDL_Renderer* renderer;
+
 int pattern[PATTERN_ROWS][PATTERN_COLS];
 int matrix[] = {PATTERN_ROWS, PATTERN_COLS};
+bool play = false;
+int step = 0;
 
+#include "draw.cpp"
 #include "players.cpp"
 #include "loaders.cpp"
 #include "inputs.cpp"
@@ -23,18 +29,13 @@ int matrix[] = {PATTERN_ROWS, PATTERN_COLS};
 int main(int argc, char** argv) {
 
   bool done = false;
-  bool play = true;
   int timer = 0;
-  int step = 0;
-  int stepDuration = 500;
-
-  SDL_Window* window;
-  SDL_Renderer* renderer;
+  int stepDuration = 200;
 
   SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO );
   atexit(SDL_Quit);
 
-  window = SDL_CreateWindow("Sonquencer", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 400, 300, 0);
+  window = SDL_CreateWindow("Sonquencer", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 600, 300, 0);
   renderer = SDL_CreateRenderer(window, -1, 0);
 
   SDL_SetRenderDrawColor(renderer, 100, 100, 100, 255);
@@ -58,7 +59,7 @@ int main(int argc, char** argv) {
             SDL_Quit();
             return 0;
           } else {
-            inputActions(event, step);
+            inputActions(event);
           }
           break;
         case SDL_QUIT:

C/players.cpp

@@ -4,6 +4,7 @@ void playPattern(int *timer, int duration, int *step) {
   usleep(1000);
 
   if(*timer == 0) {
+    drawRects(*step-1);
     for(int i=0; i<matrix[0]; i++) {
       if(pattern[i][*step-1] == 1) {
         Mix_PlayChannel(-1, samples[i], 0);