From 039c398f2004dadee84560f82d377ae70f9a5d5c Mon Sep 17 00:00:00 2001
From: Matthias Lanzinger <mlaenz@gmail.com>
Date: Fri, 2 May 2014 16:09:07 +0200
Subject: [PATCH] Implement news_item_add_to_queue and some bugfixes.

---
 src/news_item.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/news_item.h |  2 ++
 src/scenario.c  | 12 ++++++------
 3 files changed, 50 insertions(+), 6 deletions(-)

diff --git a/src/news_item.c b/src/news_item.c
index f09f7f19c8..02b559b082 100644
--- a/src/news_item.c
+++ b/src/news_item.c
@@ -20,9 +20,11 @@
 
 #include "addresses.h"
 #include "audio.h"
+#include "date.h"
 #include "news_item.h"
 #include "rct2.h"
 #include "ride.h"
+#include "strings.h"
 #include "sprite.h"
 #include "window.h"
 
@@ -248,3 +250,43 @@ void news_item_get_subject_location(int type, int subject, int *x, int *y, int *
 		break;
 	}
 }
+
+
+/**
+ * rct2: 0x0066DF55
+ *
+ * @param  a (al)
+ * @param string_id (ebx)
+ * @param c (ecx)
+ **/
+void news_item_add_to_queue(uint8 type, rct_string_id string_id, uint32 assoc)
+{
+	int i = 0;
+	rct_news_item *newsItem = RCT2_ADDRESS(RCT2_ADDRESS_NEWS_ITEM_LIST, rct_news_item);
+
+	// find first open slot
+	while (newsItem->type != NEWS_ITEM_NULL) {
+		if (newsItem + sizeof(newsItem) >= 0x13CB1CC)
+			news_item_close_current();
+		else
+			newsItem++;
+	}
+
+	//now we have found an item slot to place the new news in
+	newsItem->type = type;
+	newsItem->flags = 0;
+	newsItem->assoc = assoc;
+	newsItem->ticks = 0;
+	newsItem->month = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_YEAR, uint16);
+	newsItem->day = (days_in_month[(newsItem->month & 7)] * RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_TICKS, uint16)) >> 16;
+
+	format_string(0x0141EF68, string_id, 0x013CE952); // overflows possible?
+	newsItem->colour = ((char*)0x0141EF68)[0];
+	strncpy(newsItem->text, 0x0141EF68, 255);
+	newsItem->text[254] = 0;
+
+	// blatant disregard for what happens on the last element.
+	// Change this when we implement the queue ourselves.
+	newsItem++;
+	newsItem->type = 0;
+}
\ No newline at end of file
diff --git a/src/news_item.h b/src/news_item.h
index be8dd55e42..1d399de805 100644
--- a/src/news_item.h
+++ b/src/news_item.h
@@ -22,6 +22,7 @@
 #define _NEWS_ITEM_H_
 
 #include "rct2.h"
+#include "strings.h"
 
 enum {
 	NEWS_ITEM_NULL,
@@ -57,5 +58,6 @@ void news_item_init_queue();
 void news_item_update_current();
 void news_item_close_current();
 void news_item_get_subject_location(int type, int subject, int *x, int *y, int *z);
+void news_item_add_to_queue(uint8 type, rct_string_id string_id, uint32 assoc);
 
 #endif
diff --git a/src/scenario.c b/src/scenario.c
index b7a870e628..5898f56dc9 100644
--- a/src/scenario.c
+++ b/src/scenario.c
@@ -730,7 +730,7 @@ void scneario_entrance_fee_too_high_check()
 	}
 
 	packed_xy = (y << 16) | x;
-	RCT2_CALLPROC_X(0x0066DF55, 5, STR_ENTRANCE_FEE_TOO_HI, packed_xy, 0, 0, 0, 0); // dispatch news
+	news_item_add_to_queue(NEWS_ITEM_BLANK, STR_ENTRANCE_FEE_TOO_HI, packed_xy);
 }
 
 
@@ -739,16 +739,16 @@ void scneario_entrance_fee_too_high_check()
 **/
 void scenario_marketing_update()
 {
-	int base_str = STR_MARKETING_FINISHED_BASE;
-	
 	for (int i = 0; i < 6; ++i) {
 		uint8 campaign_weeks_left = RCT2_ADDRESS(0x01358102, uint8)[i];
 		int campaign_item = 0;
 
 		if (!campaign_weeks_left)
 			continue;
-
 		window_invalidate_by_id(WC_FINANCES, 0);
+
+		// high bit marks the campaign as inactive, on first check the campaign is set actice
+		// this makes campaigns run a full x weeks even when started in the middle of a week
 		RCT2_ADDRESS(0x01358102, uint8)[i] &= ~(1 << 7);
 		if (campaign_weeks_left & (1 << 7))
 			continue;
@@ -765,12 +765,12 @@ void scenario_marketing_update()
 			RCT2_GLOBAL(0x013CE954, uint32) = RCT2_GLOBAL(0x01362944 + 152 * campaign_item, uint32);
 		} else if (i == 3) { // free food/merch
 			campaign_item += 2016;
-			if (campaign_item < 2048)
+			if (campaign_item >= 2048)
 				campaign_item += 96;
 			RCT2_GLOBAL(0x013CE952, uint16) = campaign_item;
 		}
 
-		RCT2_CALLPROC_X(0x0066DF55, 4, base_str + i, 0, 0, 0, 0, 0); // dispatch news
+		news_item_add_to_queue(NEWS_ITEM_MONEY, STR_MARKETING_FINISHED_BASE + i, 0);
 	}
 }