From 98eaf73f8c9ca8ba16acca2073f42117d483bced Mon Sep 17 00:00:00 2001
From: Sebastian Krzyszkowiak <dos@dosowisko.net>
Date: Fri, 13 Jul 2018 18:38:38 +0200
Subject: [PATCH] utils: add PunchNumber utility

---
 src/utils.c | 17 +++++++++++++++++
 src/utils.h |  2 ++
 2 files changed, 19 insertions(+)

diff --git a/src/utils.c b/src/utils.c
index 61ba1de..3cd3e73 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -508,3 +508,20 @@ SYMBOL_EXPORT void DisableCompositor(struct Game* game) {
 	game->handlers.compositor = NULL;
 	ResizeGamestates(game);
 }
+
+SYMBOL_EXPORT char* PunchNumber(struct Game* game, char* text, char ch, int number) {
+	char* txt = strdup(text);
+	char* tmp = txt;
+	while (*tmp) {
+		tmp++;
+	}
+	int num = 1;
+	while (tmp != txt) {
+		tmp--;
+		if (*tmp == ch) {
+			*tmp = '0' + (int)floor(number / (float)num) % 10;
+			num *= 10;
+		}
+	};
+	return AddGarbage(game, txt);
+}
diff --git a/src/utils.h b/src/utils.h
index 8426d2c..f083b18 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -90,4 +90,6 @@ ALLEGRO_BITMAP* CreateNotPreservedBitmap(int width, int height);
 void EnableCompositor(struct Game* game, void compositor(struct Game* game, struct Gamestate* gamestates));
 void DisableCompositor(struct Game* game);
 
+char* PunchNumber(struct Game* game, char* text, char ch, int number);
+
 #endif