From bc6cba16665c63c29d54bef5d72e0f7cdf2bca05 Mon Sep 17 00:00:00 2001
From: sECuRE <sECuRE@af93e077-1a23-4f1e-9cbe-9382a9d578f5>
Date: Tue, 23 Oct 2007 15:02:48 +0000
Subject: [PATCH] implement CREDITS into itemz

git-svn-id: https://shell.noname-ev.de/svn/kasse/c128@55 af93e077-1a23-4f1e-9cbe-9382a9d578f5
---
 include/config.h |  2 +-
 src/itemz.c      | 99 +++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 95 insertions(+), 6 deletions(-)

diff --git a/include/config.h b/include/config.h
index 2eef4da..5393a56 100644
--- a/include/config.h
+++ b/include/config.h
@@ -3,7 +3,7 @@
 #ifndef CONFIG_H_
 #define CONFIG_H_
 
-#define MAX_ITEMS 15
+#define MAX_ITEMS 16
 #define MAX_CREDIT_ITEMS 75
 
 /* Eingenommes Geld in Cent */
diff --git a/src/itemz.c b/src/itemz.c
index 41f2fd5..4046c21 100644
--- a/src/itemz.c
+++ b/src/itemz.c
@@ -17,9 +17,10 @@
 enum itemz_mode { MODE_ITEMS, MODE_CREDITS };
 
 static enum itemz_mode mode = MODE_ITEMS;
+static BYTE current_credits_page = 0;
 
 static void print_screen() {
-	BYTE i;
+	BYTE i, pages;
 	char buffer[10];
 
 	clrscr();
@@ -34,10 +35,22 @@ static void print_screen() {
 			cprintf("Eintrag %x: %s (%s, %d mal verkauft)\r\n",
 				i, status.status[i].item_name, buffer, status.status[i].times_sold);
 		}
-		cprintf("\r\nn) Neuer Eintrag d) Eintrag loeschen s) Datei speichern\r\n");
+		cprintf("\r\nn) Neu d) Loeschen s) Speichern m) Modus\r\n");
 	} else {
-		cprintf("Datei: CREDITS\r\n\r\n");
-		/* TODO: display credits */
+		/* 16 entries per page */
+		pages = (credits.num_items / 16);
+		if (current_credits_page > pages)
+			current_credits_page = pages;
+		cprintf("Datei: CREDITS (Seite %d von %d)\r\n\r\n", current_credits_page, pages);
+		for (i = (current_credits_page * 16); i < credits.num_items && i < ((current_credits_page+1) * 16); i++) {
+			if (format_euro(buffer, 10, credits.credits[i].credit) != buffer) {
+				cprintf("Error: Could not format credit %d\r\n", credits.credits[i].credit);
+				exit(1);
+			}
+
+			cprintf("%d: %s: %s\r\n", i, credits.credits[i].nickname, buffer);
+		}
+		cprintf("\r\nn) Neu d) Loeschen b) Seite hoch f) Seite runter\r\ne) Aendern s) Speichern m) Modus\r\n");
 	}
 }
 
@@ -45,6 +58,12 @@ static void new_item() {
 	char *input, *name;
 	int price;
 
+	if (status.num_items == 16) {
+		cprintf("\rEs ist bereits die maximale Anzahl an Eintraegen erreicht, druecke RETURN...\r\n");
+		input = get_input();
+		return;
+	}
+
 	cprintf("\rName des Eintrags:\r\n");
 	if ((input = get_input()) == NULL || *input == '\0')
 		return;
@@ -59,6 +78,7 @@ static void new_item() {
 	status.status[status.num_items].price = price;
 	status.status[status.num_items].times_sold = atoi(input);
 	status.num_items++;
+	free(name);
 }
 
 static void _delete_item(BYTE num) {
@@ -89,6 +109,55 @@ static void delete_item() {
 	status.num_items--;
 }
 
+static void new_credit() {
+	char *input, *name;
+	int credit;
+
+	if (credits.num_items == 75) {
+		cprintf("\rEs ist bereits die maximale Anzahl an Eintraegen erreicht, druecke RETURN...\r\n");
+		input = get_input();
+		return;
+	}
+
+	cprintf("\rNickname:\r\n");
+	if ((input = get_input()) == NULL || *input == '\0')
+		return;
+	name = strdup(input);
+	cprintf("\r\nGuthaben in Cents:\r\n");
+	if ((input = get_input()) == NULL || *input == '\0' || (credit = atoi(input)) == 0)
+		return;
+	strcpy(credits.credits[credits.num_items].nickname, name);
+	credits.credits[credits.num_items].credit = credit;
+	credits.num_items++;
+	free(name);
+}
+
+static void _delete_credit(BYTE num) {
+	memset(credits.credits[num].nickname, '\0', 11);
+	credits.credits[num].credit = 0;
+}
+
+static void delete_credit() {
+	char *input;
+	BYTE num, last;
+
+	cprintf("\r Welcher Eintrag soll geloescht werden?\r\n");
+	if ((input = get_input()) == NULL || *input == '\0')
+		return;
+	num = atoi(input);
+	if (credits.num_items > 1) {
+		/* Swap last item with this one and delete the last one to avoid holes */
+		last = (credits.num_items - 1);
+		strcpy(credits.credits[num].nickname, credits.credits[last].nickname);
+		credits.credits[num].credit = credits.credits[last].credit;
+		_delete_credit(last);
+	} else {
+		/* Just delete it */
+		_delete_credit(num);
+	}
+	credits.num_items--;
+}
+
 int main() {
 	char *c;
 	toggle_videomode();
@@ -110,12 +179,32 @@ int main() {
 				delete_item();
 			else if (*c == 's')
 				save_items();
+			else if (*c == 'm')
+				mode = MODE_CREDITS;
 			else {
 				cprintf("Unbekannter Befehl, druecke RETURN...\r\n");
 				c = get_input();
 			}
 		} else {
-			/* TODO: code */
+			if (*c == 'm')
+				mode = MODE_ITEMS;
+			else if (*c == 'n')
+				new_credit();
+			else if (*c == 'd')
+				delete_credit();
+			else if (*c == 's')
+				save_credits();
+			else if (*c == 'f') {
+				if (current_credits_page < (credits.num_items / 16))
+					current_credits_page++;
+			} else if (*c == 'b') {
+				if (current_credits_page > 0)
+					current_credits_page--;
+			}
+			else {
+				cprintf("Unbekannter Befehl, druecke RETURN...\r\n");
+				c = get_input();
+			}
 		}
 	}
 	return 0;
-- 
2.39.5