From: Lukas Krickl <lukas@krickl.dev>
Date: Thu, 26 Feb 2026 06:12:03 +0000 (+0100)
Subject: r_asset: Added fallback tile border
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=f58b2a250b5582a0a70543e8cbe808fb1170990e;p=lrts%2F.git

r_asset: Added fallback tile border
---

diff --git a/src/r_assets.c b/src/r_assets.c
index 63ec5e2..31eaf84 100644
--- a/src/r_assets.c
+++ b/src/r_assets.c
@@ -7,33 +7,45 @@ r_color r_asset_fallback_tile[R_TILE_W * R_TILE_H];
 void r_asset_init_fallback_tile(void) {
 	int i = 0;
 	int j = 0;
+	int draw_end = 0;
 	r_color *row = NULL;
+	const r_color bg_mask = 0xFFFFFFFF;
+	const r_color border_mask = 0x222222FF;
 	u_memset(r_asset_fallback_tile, 0, R_TILE_W * R_TILE_H);
+
+	LRTS_UNUSED(border_mask);
 	
-	/* top row */
 	for (i = 0; i < 8; i++) {
+		draw_end = 4 * (i + 1);
+
+		/* top row */
 		row = r_asset_fallback_tile+i*R_TILE_W + R_TILE_W-1;
 
 		/* get start */
 		row -= 14-2*i;
 		
-		for (j = 0; j < 4 * (i + 1); j++) {
-			*(row-j) = 0xFFFFFFFF; 
+		for (j = 0; j < draw_end; j++) {
+			if (j == 0 || j+1 == draw_end) {
+				*(row-j) = border_mask;
+			} else {
+				*(row-j) = bg_mask; 
+			}
 		}
-	}
 
-	/* bottom row */
-	for (i = 0; i < 8; i++) {
+		/* bottom row */
 		row = r_asset_fallback_tile+R_TILE_W*(R_TILE_H-1-i)-1;
 
 		/* get start */
 		row -= 14-2*i;
-
-		for (j = 0; j < 4 * (i + 1); j++) {
-			*(row-j) = 0xFFFFFFFF;
+		
+		for (j = 0; j < draw_end; j++) {
+			if (j == 0 || j+1 == draw_end) {
+				*(row-j) = border_mask;
+			} else {
+				*(row-j) = bg_mask; 
+			}
 		}
 	}
-
 }
 
 void r_draw_solid_isometric_tile(i32 x, i32 y, r_color color) {