From 6473da43b27ea0c87c3a2d0fb45855ddeb9a8c6f Mon Sep 17 00:00:00 2001
From: adrian17 <adrian.wielgosik@gmail.com>
Date: Fri, 29 Aug 2014 11:37:32 +0200
Subject: [PATCH] Decompiled game_command_set_park_entrance_fee

---
 src/game.c |  3 ++-
 src/park.c | 36 ++++++++++++++++++++++++++++++++++++
 src/park.h |  2 ++
 3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/src/game.c b/src/game.c
index f67b6f9279..30f4df92b1 100644
--- a/src/game.c
+++ b/src/game.c
@@ -29,6 +29,7 @@
 #include "news_item.h"
 #include "object.h"
 #include "osinterface.h"
+#include "park.h"
 #include "peep.h"
 #include "sawyercoding.h"
 #include "scenario.h"
@@ -942,7 +943,7 @@ static uint32 game_do_command_table[58] = {
 	0x006666E7,
 	0x00666A63,
 	0x006CD8CE,
-	0x00669E30,
+	(uint32)game_command_set_park_entrance_fee,
 	(uint32)game_command_update_staff_colour, // 40
 	0x006E519A,
 	0x006E5597,
diff --git a/src/park.c b/src/park.c
index 159017c392..da3731efc9 100644
--- a/src/park.c
+++ b/src/park.c
@@ -581,4 +581,40 @@ uint8 calculate_guest_initial_happiness(uint8 percentage) {
 void park_update_histories()
 {
 	RCT2_CALLPROC_EBPSAFE(0x0066A231);
+}
+
+/**
+*
+*  rct2: 0x00669E30
+*/
+void game_command_set_park_entrance_fee()
+{
+	uint8 _bl;
+	uint16 new_fee;
+
+	#ifdef _MSC_VER
+		__asm mov _bl, bl
+	#else
+		__asm__("mov %[_bl], bl " : [_bl] "+m" (_bl));
+	#endif
+
+	#ifdef _MSC_VER
+		__asm mov new_fee, di
+	#else
+		__asm__("mov %[new_fee], di " : [new_fee] "+m" (new_fee));
+	#endif
+
+	RCT2_GLOBAL(0x0141F56C, uint8) = 0x10;
+
+	if (_bl & 1){
+		RCT2_GLOBAL(RCT2_ADDRESS_PARK_ENTRANCE_FEE, uint16) = new_fee;
+
+		window_invalidate_by_id(WC_PARK_INFORMATION, 0);
+	}
+
+	#ifdef _MSC_VER
+		__asm mov ebx, 0
+	#else
+		__asm__("mov ebx, 0 ");
+	#endif
 }
\ No newline at end of file
diff --git a/src/park.h b/src/park.h
index bb7d823e86..5c9a85171a 100644
--- a/src/park.h
+++ b/src/park.h
@@ -59,4 +59,6 @@ void park_update_histories();
 
 uint8 calculate_guest_initial_happiness(uint8 percentage);
 
+void game_command_set_park_entrance_fee();
+
 #endif