feat: draw dominos

Makefile

@@ -1,6 +1,12 @@
 CFLAGS := -Wall -Wextra
 LDFLAGS = -lglfw -lm -lGL -I./glad/include
 
-domino-dungeon: main.c game.c game.h glad/src/glad.c
+domino-dungeon: main.c game.c game.h glad/src/glad.c assets/dominos.h
 	$(CC) ${CFLAGS} ${LDFLAGS} -o $@ $^
 
+assets/dominos.h: src_build/domino_assets
+	$< assets/1bit_dominoes_asset_pack/white_and_blue_dominoes.png > $@
+
+src_build/domino_assets: src_build/domino_assets.c
+	$(CC) -o $@ $^ -lm
+

README.md

@@ -91,3 +91,8 @@ For open source projects, say how it is licensed.
 
 ## Project status
 If you have run out of energy or time for your project, put a note at the top of the README saying that development has slowed down or stopped completely. Someone may choose to fork your project or volunteer to step in as a maintainer or owner, allowing your project to keep going. You can also make an explicit request for maintainers.
+
+
+## Attribution
+
+- https://actuallykron.itch.io/dominoes-pack

assets/1bit_dominoes_asset_pack/Licence & Credits.txt

@@ -0,0 +1,39 @@
+
+
+	░█████╗░██████╗░███████╗██████╗░██╗████████╗
+	██╔══██╗██╔══██╗██╔════╝██╔══██╗██║╚══██╔══╝
+	██║░░╚═╝██████╔╝█████╗░░██║░░██║██║░░░██║░░░
+	██║░░██╗██╔══██╗██╔══╝░░██║░░██║██║░░░██║░░░
+	╚█████╔╝██║░░██║███████╗██████╔╝██║░░░██║░░░
+	░╚════╝░╚═╝░░╚═╝╚══════╝╚═════╝░╚═╝░░░╚═╝░░░
+
+
+	Created By: actuallyKron
+	Download from: actuallykron.itch.io/free-emoji-pack
+	
+	Itch.io: actuallykron.itch.io
+	Twitter: @actuallyKron
+	Instagram: @actuallyKron
+
+	This is pack #3 out of #52
+	Check out the other packs here (they're released weekly)
+	itch.io/c/1824146/weekly-asset-pack-collection
+
+	██╗░░░░░██╗░█████╗░███████╗███╗░░██╗░█████╗░███████╗
+	██║░░░░░██║██╔══██╗██╔════╝████╗░██║██╔══██╗██╔════╝
+	██║░░░░░██║██║░░╚═╝█████╗░░██╔██╗██║██║░░╚═╝█████╗░░
+	██║░░░░░██║██║░░██╗██╔══╝░░██║╚████║██║░░██╗██╔══╝░░
+	███████╗██║╚█████╔╝███████╗██║░╚███║╚█████╔╝███████╗
+	╚══════╝╚═╝░╚════╝░╚══════╝╚═╝░░╚══╝░╚════╝░╚══════╝
+
+
+	Licenced under CC0 1.0 Universal (CC0 1.0)
+	https://creativecommons.org/publicdomain/zero/1.0/
+
+	- You can use these assets for personal or commercial use
+	- You can Modify these assets
+	- Credit is not required but is very much appreciated
+
+	*** Please refrain from redistribute this assest pack *** 
+
+	More info @ https://creativecommons.org/publicdomain/zero/1.0/

game.c

@@ -1,13 +1,17 @@
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
+#include <stdint.h>
+#include <stdio.h>
 
 #include "game.h"
+#include "assets/dominos.h"
 
 #define MIN(a,b) (((a)<(b))?(a):(b))
 #define MAX(a,b) (((a)>(b))?(a):(b))
 #define CLAMP(x,a,b) (MIN(MAX(x,a),b))
 
 int mouse_x = 0, mouse_y = 0;
+int eyes_front = 0, eyes_back = 0;
 
 void key_callback(int key, int scancode, int action, int mods) {
   if (action != GLFW_PRESS) return;
@@ -25,11 +29,23 @@ void cursor_position_callback(int xpos, int ypos) {
 }
 
 void mouse_button_callback(int button, int action, int mods) {
-    if (button == GLFW_MOUSE_BUTTON_RIGHT && action == GLFW_PRESS) {}
+  printf("click!\n");
+
+  if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS) {
+    if (++eyes_back >= NUM_DOMINO_X) {
+      eyes_back = 0;
+      eyes_front = (eyes_front+1)%NUM_DOMINO_Y;
+    }
+  }
 }
 
 void draw_image(decoded_image img) {
   // for (int i = 0; i < img.buf_size; i++) img.buf[i] = i;
-  img.buf[CLAMP(mouse_y, 0, img.height) * img.width +
-          CLAMP(mouse_x, 0, img.width)] = -1;
+
+  for (int y = 0; y < DOMINO_HEIGHT; y++) {
+    for (int x = 0; x < DOMINO_WIDTH; x++) {
+      img.buf[(CLAMP(mouse_y, 0, img.height) + y) * img.width + CLAMP(mouse_x, 0, img.width) + x] =
+        (*(uint32_t*) &domino[eyes_front][eyes_back][y * DOMINO_WIDTH * BYTES_PER_PIXEL + x * BYTES_PER_PIXEL]);
+    }
+  }
 }

src_build/domino_assets.c

@@ -0,0 +1,60 @@
+#include <stdio.h>
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+
+#define NUM_DOMINO_X    7
+#define NUM_DOMINO_Y    6
+#define DOMINO_WIDTH   23
+#define DOMINO_HEIGHT  12
+#define START_X         2
+#define START_Y         2
+#define MARGIN_X        9
+#define MARGIN_Y        4
+
+void print_domino(unsigned char *data, int width, int n, int posx, int posy) {
+  printf("    {");
+  for (int y = 0; y < DOMINO_HEIGHT; y++) {
+    for (int x = 0; x < DOMINO_WIDTH; x++) {
+      for (int i = 0; i < n; i++) {
+        printf("%3d, ", data[(y + posy) * width * n + (x + posx) * n + i]);
+      }
+    }
+  }
+  printf("},\n");
+}
+
+int main(int argc, char **argv) {
+  int x,y,n;
+  if (argc != 2) return 1;
+
+  unsigned char *data = stbi_load(argv[1], &x, &y, &n, 0);
+  // n = n < 3 ? n : 3;
+
+  printf("#define NUM_DOMINO_X     %d\n", NUM_DOMINO_X );
+  printf("#define NUM_DOMINO_Y     %d\n", NUM_DOMINO_Y );
+  printf("#define DOMINO_WIDTH     %d\n", DOMINO_WIDTH );
+  printf("#define DOMINO_HEIGHT    %d\n", DOMINO_HEIGHT);
+  printf("#define BYTES_PER_PIXEL  %d\n", n);
+
+  printf("unsigned char domino[%d][%d][%d] = {\n",
+      NUM_DOMINO_Y,
+      NUM_DOMINO_X,
+      DOMINO_WIDTH * DOMINO_HEIGHT * n
+      );
+
+  for (int domino_y = 0; domino_y < NUM_DOMINO_Y; domino_y++) {
+    printf("  {\n");
+    for (int domino_x = 0; domino_x < NUM_DOMINO_X; domino_x++) {
+      print_domino(
+          data, x, n,
+          START_X + domino_x * (DOMINO_WIDTH  + MARGIN_X),
+          START_Y + domino_y * (DOMINO_HEIGHT + MARGIN_Y)
+          );
+    }
+    printf("  },\n");
+  }
+
+  printf("};\n");
+
+  return 0;
+}