feat: data structure for domino blocks

Makefile

@@ -1,7 +1,8 @@
-CFLAGS := -Wall -Wextra
+CFLAGS := -ggdb -Wall -Wextra
+# -fsanitize=address
 LDFLAGS = -lglfw -lm -lGL -I./glad/include
 
-SOURCES = main.c game.c game.h glad/src/glad.c assets/dominos.h
+SOURCES = main.c game.c game.h glad/src/glad.c assets/dominos.h domino.c domino.h
 
 domino-dungeon: ${SOURCES}
 	$(CC) ${CFLAGS} ${LDFLAGS} -o $@ $^

game.c

@@ -1,8 +1,10 @@
 #include <GLFW/glfw3.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 
 #include "game.h"
+#include "domino.h"
 #include "assets/dominos.h"
 
 #define MIN(a,b) (((a)<(b))?(a):(b))
@@ -12,6 +14,8 @@
 int mouse_x = 0, mouse_y = 0;
 int eyes_front = 0, eyes_back = 0;
 
+struct bricks bricks = {0};
+
 void key_callback(int key, int scancode, int action, int mods) {
   if (action != GLFW_PRESS) return;
   switch (key) {
@@ -38,8 +42,36 @@ void mouse_button_callback(int button, int action, int mods) {
   }
 }
 
+void init() {
+  bricks_append(
+      &bricks,
+      (struct brick) {
+        .front = {.x = 10, .y = 5, .val = 3},
+        .back  = {.x = 11, .y = 5, .val = 2},
+      }
+      );
+  bricks_append(
+      &bricks,
+      (struct brick) {
+        .front = {.x = 12, .y = 5, .val = 2},
+        .back  = {.x = 13, .y = 5, .val = 5},
+      }
+      );
+}
+
 void draw_image(decoded_image img) {
-  for (int i = 0; i < img.buf_size; i++) img.buf[i] = i;
+  for (size_t i = 0; i < img.buf_size; i++) img.buf[i] = i;
+
+  for (size_t i = 0; i < bricks.count; i++) {
+    struct brick *b = &bricks.items.brick[i];
+
+    for (int y = 0; y < DOMINO_HEIGHT; y++) {
+      for (int x = 0; x < DOMINO_WIDTH; x++) {
+        img.buf[(b->front.y * 10 + y) * img.width + b->front.x * 10 + x] =
+          (*(uint32_t*) &domino[b->front.val][b->back.val][y * DOMINO_WIDTH * BYTES_PER_PIXEL + x * BYTES_PER_PIXEL]);
+      }
+    }
+  }
 
   for (int y = 0; y < DOMINO_HEIGHT; y++) {
     for (int x = 0; x < DOMINO_WIDTH; x++) {

main.c

@@ -22,6 +22,7 @@ unsigned int VAO;
 extern void key_callback(int key, int scancode, int action, int mods);
 extern void cursor_position_callback(int xpos, int ypos);
 extern void mouse_button_callback(int button, int action, int mods);
+extern void init();
 extern void draw_image(decoded_image img);
 
 uint32_t buffer[256 * 240] = {0};
@@ -251,6 +252,8 @@ int main() {
   glUseProgram(shader_program);
   glUniform1i(glGetUniformLocation(shader_program, "texture1"), 0);
 
+  init();
+
 #ifdef __EMSCRIPTEN__
   emscripten_set_main_loop(loop, 0, true);
 #else