From d5cc1e83a2fde758086f283ff976c8b8dc919cba Mon Sep 17 00:00:00 2001
From: Sasha Koshka <supergriffin64@gmail.com>
Date: Mon, 2 May 2022 11:27:07 -0400
Subject: [PATCH] World selection screen now shows grass block for worlds
 without a thumbnail

---
 src/data.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/data.c b/src/data.c
index 80b0470..098eb0c 100644
--- a/src/data.c
+++ b/src/data.c
@@ -1,4 +1,3 @@
-#include "data.h"
 #include <time.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -8,6 +7,8 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include "data.h"
+#include "textures.h"
 
 data_Options data_options          = { 0 };
 data_WorldListItem *data_worldList = NULL;
@@ -206,11 +207,11 @@ int data_refreshWorldList () {
                         item->name);
 
                 SDL_Surface *image = SDL_LoadBMP(path);
+                int *pixel = item->thumbnail.buffer;
                 
                 // Do not accept vertical images
                 if (image != NULL && image->h <= image->w) {
                         int scale = image->h / 16;
-                        int *pixel = item->thumbnail.buffer;
                         for (int y = 0; y < 16; y ++)
                         for (int x = 0; x < 16; x ++) {
                                 *pixel = getSurfacePixel (image,
@@ -218,6 +219,16 @@ int data_refreshWorldList () {
                                         y * scale);
                                 pixel ++;
                         }
+                } else {
+                        for (int y = 0; y < 16; y ++)
+                        for (int x = 0; x < 16; x ++) {
+                                *pixel = textures [
+                                        x +
+                                        y * BLOCK_TEXTURE_W +
+                                        (BLOCK_GRASS * 3 + 1) *
+                                        BLOCK_TEXTURE_W * BLOCK_TEXTURE_H];
+                                pixel ++;
+                        }
                 }
 
                 SDL_FreeSurface(image);