feat: rotate bricks

domino.h

@@ -4,7 +4,7 @@
 #define DOMINO_H
 
 struct eye {
-  size_t x,y,val;
+  size_t x,y,val,vertical;
 };
 
 struct brick {

game.c

@@ -2,6 +2,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdbool.h>
 
 #include "game.h"
 #include "domino.h"
@@ -21,7 +22,7 @@ struct brick hand[5];
 size_t hand_count = 0;
 
 struct brick active = {0};
-int has_active = 0;
+bool has_active = 0;
 
 struct brick preview[256] = {0};
 size_t preview_count = 0;
@@ -66,9 +67,30 @@ void get_prewiews() {
   }
 }
 
+void print_brick(struct brick b) {
+  struct eye *eyes = (struct eye*) &b;
+  for (size_t i = 0; i < 2; i++) {
+    printf("{.x = %zu, .y =   %zu, .val = %zu, .vertical = %zu}" , eyes[i].x, eyes[i].y, eyes[i].val, eyes[i].vertical);
+  }
+  printf("\n");
+}
+
 void key_callback(int key, int scancode, int action, int mods) {
+  (void) scancode;
+  (void) mods;
+
   if (action != GLFW_PRESS) return;
   switch (key) {
+    case GLFW_KEY_R:
+      if (active.front.vertical) {
+        struct eye tmp = active.front;
+        active.front.val = active.back.val;
+        active.back.val = tmp.val;
+        get_prewiews();
+      }
+      active.front.vertical = !active.front.vertical;
+      printf("rotate\n");
+      break;
     case GLFW_KEY_ENTER:
       break;
     case GLFW_KEY_BACKSPACE:
@@ -82,6 +104,8 @@ void cursor_position_callback(int xpos, int ypos) {
 }
 
 void mouse_button_callback(int button, int action, int mods) {
+  (void) mods;
+
   if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS) {
     // pick up brick from hand
     for (size_t i = 0; i < hand_count; i++) {
@@ -123,8 +147,10 @@ void mouse_button_callback(int button, int action, int mods) {
 
       if (preview[min_dist].front.val < EYE_SIZE * EYE_SIZE && preview_count) {
         preview[min_dist].front.val = active.front.val;
+        preview[min_dist].front.vertical = active.front.vertical;
         preview[min_dist].back.val = active.back.val;
         bricks_append(&bricks, preview[min_dist]);
+        for (size_t i = 0; i < bricks.count; i++) print_brick(bricks.items.brick[i]);
       } else {
         hand[hand_count++] = active;
       }
@@ -165,14 +191,12 @@ void init() {
       };
 }
 
-void
-draw(
-    struct image canvas, struct image texture,
-    size_t xpos, size_t ypos
-) {
+void draw( struct image canvas, struct image texture, size_t xpos, size_t ypos, bool vertical) {
   for (size_t y = 0; y < texture.height; y++) {
     for (size_t x = 0; x < texture.width; x++) {
-      canvas.buf[(ypos + y) * canvas.width + xpos + x] = texture.buf[y * texture.width + x];
+      size_t canvas_y = vertical ? x : y;
+      size_t canvas_x = vertical ? y : x;
+      canvas.buf[(ypos + canvas_y) * canvas.width + xpos + canvas_x] = texture.buf[y * texture.width + x];
     }
   }
 }
@@ -201,7 +225,7 @@ draw_character(
         }
       }
     }
-    draw(canvas, texture, xpos + i * texture.width, ypos);
+    draw(canvas, texture, xpos + i * texture.width, ypos, 0);
   }
 }
 
@@ -216,11 +240,11 @@ void render(struct image canvas) {
   // domino playground
   for (size_t i = 0; i < bricks.count; i++) {
     struct brick *b = &bricks.items.brick[i];
-    draw(canvas, red_and_peach_dominoes[b->back.val][b->front.val], b->front.x * EYE_SIZE, b->front.y * EYE_SIZE);
+    draw(canvas, red_and_peach_dominoes[b->back.val][b->front.val], b->front.x * EYE_SIZE, b->front.y * EYE_SIZE, b->front.vertical);
   }
 
   for (size_t i = 0; i < preview_count; i++) {
-    draw(canvas, white_and_blue_dominoes[active.back.val][active.front.val], preview[i].front.x * EYE_SIZE, preview[i].front.y * EYE_SIZE);
+    draw(canvas, white_and_blue_dominoes[active.back.val][active.front.val], preview[i].front.x * EYE_SIZE, preview[i].front.y * EYE_SIZE, active.front.vertical);
   }
 
   // hand
@@ -228,12 +252,12 @@ void render(struct image canvas) {
     struct brick *b = &hand[i];
     b->front.x = (canvas.width - hand_count *(DOMINO_WIDTH + 4))/2 + i * (DOMINO_WIDTH + 4);
     b->front.y = canvas.height - DOMINO_WIDTH;
-    draw(canvas, red_and_peach_dominoes[b->back.val][b->front.val], b->front.x, b->front.y);
+    draw(canvas, red_and_peach_dominoes[b->back.val][b->front.val], b->front.x, b->front.y, b->front.vertical);
   }
 
   // active
   if (has_active) {
-    draw(canvas, red_and_peach_dominoes[active.back.val][active.front.val], CLAMP(mouse_x + active.front.x, 0, canvas.width), CLAMP(mouse_y + active.front.y, 0, canvas.height));
+    draw(canvas, red_and_peach_dominoes[active.back.val][active.front.val], CLAMP(mouse_x + active.front.x, 0, canvas.width), CLAMP(mouse_y + active.front.y, 0, canvas.height), active.front.vertical);
   }
 
   // character