From 9e1577b1dc8909a8fca17d77d0014673b5003bcd Mon Sep 17 00:00:00 2001
From: Sunpy <sunpy@osufx.com>
Date: Sun, 27 Dec 2020 02:11:48 +0100
Subject: [PATCH] Added node flag structs

---
 samp-npcs/paths.cpp |  4 ++--
 samp-npcs/paths.h   | 41 +++++++++++++++++++++++++++++++++++++++--
 2 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/samp-npcs/paths.cpp b/samp-npcs/paths.cpp
index c8e064f..db55080 100644
--- a/samp-npcs/paths.cpp
+++ b/samp-npcs/paths.cpp
@@ -97,7 +97,7 @@ void parseNode(FILE* file, PathNode* node) {
 	node->node = serializedNode.node;
 	node->width = serializedNode.width;
 	node->flood_fill = serializedNode.flood_fill;
-	node->flags = serializedNode.flags;
+	node->flags = *(NodeFlags*)&serializedNode.flags;
 }
 
 void parseNav(FILE* file, NavNode* node) {
@@ -109,7 +109,7 @@ void parseNav(FILE* file, NavNode* node) {
 	node->node = serializedNode.node;
 	node->direction_x = serializedNode.direction_x / 100.f;
 	node->direction_y = serializedNode.direction_y / 100.f;
-	node->flags = serializedNode.flags;
+	node->flags = *(NavNodeFlags*)&serializedNode.flags;
 }
 
 void parseLink(FILE* file, Link* link) {
diff --git a/samp-npcs/paths.h b/samp-npcs/paths.h
index 7cb7704..76ec565 100644
--- a/samp-npcs/paths.h
+++ b/samp-npcs/paths.h
@@ -6,6 +6,9 @@
 
 #define PATH "plugins/samp-npcs/Paths/"
 
+#define STATIC_ASSERT(E) typedef char __static_assert_[(E)?1:-1]
+#define EXPECT_SIZE(S,SIZE) STATIC_ASSERT(sizeof(S)==(SIZE))
+
 #pragma pack(push, 1)
 struct SerializedHeader {
 	unsigned int num_nodes;
@@ -49,6 +52,40 @@ struct SerializedIntersectionFlags {
 	bool road_cross : 1;
 	bool ped_traffic_light : 1;
 };
+
+struct NodeFlags {
+	unsigned char link_count : 4;
+	unsigned char traffic_level : 2;
+	unsigned char roadblocks : 1;
+	unsigned char boats : 1;
+	unsigned char emergency_vehicles_only : 1;
+	unsigned char _unknown_D : 1;
+	unsigned char _unknown_E : 1;
+	unsigned char _unknown_F : 1;
+	unsigned char not_highway : 1;
+	unsigned char highway : 1;
+	unsigned char _unknown_I : 1;
+	unsigned char _unknown_J : 1;
+	unsigned char spawn_probability : 4;
+	unsigned char _unknown_roadblock_O : 1;
+	unsigned char parking : 1;
+	unsigned char _unknown_Q : 1;
+	unsigned char _unknown_R : 1;
+	unsigned char _unknown_S : 8;
+};
+EXPECT_SIZE(NodeFlags, 4);
+
+struct NavNodeFlags {
+	unsigned int width : 8;
+	unsigned int num_left_lanes : 3;
+	unsigned int num_right_lanes : 3;
+	unsigned int traffic_lights_direction_behavior : 1;
+	unsigned int _unused_F : 1;
+	unsigned int traffic_lights_behavior : 2;
+	unsigned int train_crossing : 1;
+	unsigned int _unused_M : 13;
+};
+EXPECT_SIZE(NavNodeFlags, 4);
 #pragma pack(pop)
 
 struct PathNode {
@@ -57,14 +94,14 @@ struct PathNode {
 	unsigned short link, area, node;
 	unsigned char width;
 	unsigned char flood_fill;
-	unsigned int flags;
+	NodeFlags flags;
 };
 
 struct NavNode {
 	float position_x, position_y;
 	unsigned short area, node;
 	float direction_x, direction_y;
-	unsigned int flags;
+	NavNodeFlags flags;
 };
 
 struct Link : SerializedLink {};