From 9400b292cf59431f1938486e92c91bc97adee357 Mon Sep 17 00:00:00 2001
From: Broxzier <hielke.morsink@gmail.com>
Date: Mon, 6 Feb 2017 14:51:45 +0100
Subject: [PATCH] Add toggling footpath slope to MP

---
 src/openrct2/windows/tile_inspector.c | 17 +++++++++++++---
 src/openrct2/world/map.c              |  7 +++++++
 src/openrct2/world/tile_inspector.c   | 29 +++++++++++++++++++++++++++
 src/openrct2/world/tile_inspector.h   |  2 ++
 4 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/src/openrct2/windows/tile_inspector.c b/src/openrct2/windows/tile_inspector.c
index ad3bfc5913..908c75de62 100644
--- a/src/openrct2/windows/tile_inspector.c
+++ b/src/openrct2/windows/tile_inspector.c
@@ -757,6 +757,19 @@ static void window_tile_inspector_surface_toggle_diagonal()
 	);
 }
 
+static void window_tile_inspector_path_set_sloped(sint32 element_index, bool sloped)
+{
+	game_do_command(
+		TILE_INSPECTOR_PATH_SET_SLOPE,
+		GAME_COMMAND_FLAG_APPLY,
+		windowTileInspectorTileX | (windowTileInspectorTileY << 8),
+		element_index,
+		GAME_COMMAND_MODIFY_TILE,
+		sloped,
+		0
+	);
+}
+
 static void window_tile_inspector_path_toggle_edge(sint32 element_index, sint32 corner_index)
 {
 	assert(corner_index >= 0 && corner_index < 8);
@@ -1109,9 +1122,7 @@ static void window_tile_inspector_mouseup(rct_window *w, sint32 widgetIndex)
 			window_tile_inspector_base_height_offset(w->selected_list_item, -1);
 			break;
 		case WIDX_PATH_CHECK_SLOPED:
-			mapElement->properties.path.type ^= 1 << 2;
-			map_invalidate_tile_full(windowTileInspectorTileX << 5, windowTileInspectorTileY << 5);
-			widget_invalidate(w, WIDX_PATH_CHECK_SLOPED);
+			window_tile_inspector_path_set_sloped(w->selected_list_item, !footpath_element_is_sloped(mapElement));
 			break;
 		case WIDX_PATH_CHECK_EDGE_E:
 		case WIDX_PATH_CHECK_EDGE_S:
diff --git a/src/openrct2/world/map.c b/src/openrct2/world/map.c
index 2fe355297f..385f77aa43 100644
--- a/src/openrct2/world/map.c
+++ b/src/openrct2/world/map.c
@@ -5677,6 +5677,13 @@ void game_command_modify_tile(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx
 		*ebx = tile_inspector_surface_toggle_diagonal(x, y, flags);
 		return;
 	}
+	case TILE_INSPECTOR_PATH_SET_SLOPE:
+	{
+		const sint32 element_index = *edx;
+		const bool sloped = *edi;
+		*ebx = tile_inspector_path_set_sloped(x, y, element_index, sloped, flags);
+		return;
+	}
 	case TILE_INSPECTOR_PATH_TOGGLE_EDGE:
 	{
 		const sint32 element_index = *edx;
diff --git a/src/openrct2/world/tile_inspector.c b/src/openrct2/world/tile_inspector.c
index 18172e96b1..fe5e24817a 100644
--- a/src/openrct2/world/tile_inspector.c
+++ b/src/openrct2/world/tile_inspector.c
@@ -465,6 +465,35 @@ sint32 tile_inspector_surface_toggle_diagonal(sint32 x, sint32 y, sint32 flags)
 	return 0;
 }
 
+sint32 tile_inspector_path_set_sloped(sint32 x, sint32 y, sint32 element_index, bool sloped, sint32 flags)
+{
+	rct_map_element *const path_element = map_get_first_element_at(x, y) + element_index;
+
+	if (!path_element || map_element_get_type(path_element) != MAP_ELEMENT_TYPE_PATH)
+	{
+		return MONEY32_UNDEFINED;
+	}
+
+	if (flags & GAME_COMMAND_FLAG_APPLY)
+	{
+		path_element->properties.path.type &= ~(1 << 2);
+		if (sloped)
+		{
+			path_element->properties.path.type |= (1 << 2);
+		}
+
+		map_invalidate_tile_full(x << 5, y << 5);
+
+		rct_window *const tile_inspector_window = window_find_by_class(WC_TILE_INSPECTOR);
+		if (tile_inspector_window != NULL && (uint32)x == windowTileInspectorTileX && (uint32)y == windowTileInspectorTileY)
+		{
+			window_invalidate(tile_inspector_window);
+		}
+	}
+
+	return 0;
+}
+
 sint32 tile_inspector_path_toggle_edge(sint32 x, sint32 y, sint32 element_index, sint32 edge_index, sint32 flags)
 {
 	rct_map_element *const path_element = map_get_first_element_at(x, y) + element_index;
diff --git a/src/openrct2/world/tile_inspector.h b/src/openrct2/world/tile_inspector.h
index af78c91c74..2bfd26a3c3 100644
--- a/src/openrct2/world/tile_inspector.h
+++ b/src/openrct2/world/tile_inspector.h
@@ -43,6 +43,7 @@ typedef enum {
 	TILE_INSPECTOR_SURFACE_SHOW_PARK_FENCES,
 	TILE_INSPECTOR_SURFACE_TOGGLE_CORNER,
 	TILE_INSPECTOR_SURFACE_TOGGLE_DIAGONAL,
+	TILE_INSPECTOR_PATH_SET_SLOPE,
 	TILE_INSPECTOR_PATH_TOGGLE_EDGE,
 	TILE_INSPECTOR_FENCE_SET_SLOPE,
 } tile_inspector_instruction;
@@ -57,5 +58,6 @@ sint32 tile_inspector_change_base_height_at(sint32 x, sint32 y, sint16 element_i
 sint32 tile_inspector_surface_show_park_fences(sint32 x, sint32 y, bool enabled, sint32 flags);
 sint32 tile_inspector_surface_toggle_corner(sint32 x, sint32 y, sint32 corner_index, sint32 flags);
 sint32 tile_inspector_surface_toggle_diagonal(sint32 x, sint32 y, sint32 flags);
+sint32 tile_inspector_path_set_sloped(sint32 x, sint32 y, sint32 element_index, bool sloped, sint32 flags);
 sint32 tile_inspector_path_toggle_edge(sint32 x, sint32 y, sint32 element_index, sint32 corner_index, sint32 flags);
 sint32 tile_inspector_fence_set_slope(sint32 x, sint32 y, sint32 element_index, sint32 slope_value, sint32 flags);