spawn area nodes improvements

src/area/areas.zig

@@ -77,7 +77,7 @@ pub const Areas = struct {
         return valuesToRandomise;
     }
 
-    pub fn getNodes(self: *Areas) ![]str_node.Node {
+    pub fn getNodes(self: *const Areas) ![]str_node.Node {
         var nodes = try self.allocator.alloc(str_node.Node, self.areas.len);
 
         for (0..self.areas.len) |i| {

src/area/spawn-area.zig

@@ -24,7 +24,6 @@ pub const SpawnArea = struct {
         return new_spawn;
     }
 
-    // todo if window size changes this needs to be recalculated
     pub fn setLocation(self: *SpawnArea) void {
         self.location = switch (self.area) {
             .top_left => rl.Vector2{ .x = 0, .y = 0 },

src/main.zig

@@ -17,6 +17,7 @@ pub fn main() !void {
     rl.initWindow(globals.getScreenWidth(), globals.getScreenHeight(), "Promet SIM");
     defer rl.closeWindow();
 
+    rl.setExitKey(.null);
     rl.maximizeWindow();
     rl.setTargetFPS(60);
 
@@ -26,6 +27,8 @@ pub fn main() !void {
     var road_manager = roadman_str.RoadManager.init(allocator);
     defer road_manager.deinit();
 
+    try road_manager.addAreaNodes(area_manager);
+
     while (!rl.windowShouldClose()) {
         rl.beginDrawing();
         defer rl.endDrawing();
@@ -36,6 +39,9 @@ pub fn main() !void {
         if (globals.checkWindowSizeChanged(new_width, new_height)) {
             globals.setWindowSize(new_width, new_height);
             area_manager.recalculate();
+            try road_manager.updateAreaNodes(area_manager);
+            // todo this will bring some trouble because what if other nodes/roads, when resized, will be placed upon existing spawn area
+
         }
 
         rl.clearBackground(.light_gray);
@@ -43,5 +49,6 @@ pub fn main() !void {
         try road_manager.inputHandler();
         road_manager.draw();
         area_manager.draw();
+        road_manager.drawNodes();
     }
 }

src/road/road-manager.zig

@@ -65,6 +65,8 @@ pub const RoadManager = struct {
 
     fn clearRoads(self: *RoadManager) void {
         self.roads.clearAndFree();
+        // todo this will delete spawn nodes which MUST NOT be deleted
+        // fix at earliest convinience
         self.nodes.clearAndFree();
     }
 
@@ -181,30 +183,28 @@ pub const RoadManager = struct {
 
     pub fn draw(self: *const RoadManager) void {
         // if last road is being drawn display node marker
-        const last = self.roads.getLastOrNull();
-        const pos = rl.getMousePosition();
-        const marker_node = node_str.Node.init(pos);
-        var draw_marker = false;
-
-        if (last != null and last.?.end_point == null) {
-            draw_marker = true;
-
-            // might have to put it in one function because we check this two times
-            // todo canCreateNode and canCreateRoad should be part of node/road struct
-            if (rl.Vector2.distance(last.?.start_point, pos) < self.min_distance) {
-                draw_marker = false;
-                self.roads.items[self.getLastIndex().?].setColor(str.RoadState.illegal);
-            }
-        }
-
         for (self.roads.items) |*road| {
             road.draw();
+            // reset the road colour
             if (!road.isValid())
                 road.*.setColor(str.RoadState.valid);
         }
+    }
 
-        if (draw_marker)
-            marker_node.draw(self.canCreateNode(pos));
+    pub fn drawNodes(self: *const RoadManager) void {
+        const last = self.roads.getLastOrNull();
+        const pos = rl.getMousePosition();
+        const marker_node = node_str.Node.init(pos);
+
+        if (last != null and last.?.end_point == null) {
+            // todo canCreateNode and canCreateRoad should be part of node/road struct
+            if (rl.Vector2.distance(last.?.start_point, pos) < self.min_distance) {
+                // todo we can maybe make this at draw() fn in road struct
+                self.roads.items[self.getLastIndex().?].setColor(str.RoadState.illegal);
+            } else {
+                marker_node.draw(self.canCreateNode(pos));
+            }
+        }
 
         if (self.mode != str.InputMode.node) return;
         for (self.nodes.items) |node| {
@@ -228,10 +228,19 @@ pub const RoadManager = struct {
         self.selected_road = null;
     }
 
-    pub fn getAreaNodes(self: *RoadManager, areas: area_str.Areas) !void {
+    pub fn addAreaNodes(self: *RoadManager, areas: area_str.Areas) !void {
         const nodes = try areas.getNodes();
         defer self.allocator.free(nodes);
 
         try self.nodes.appendSlice(nodes);
     }
+
+    pub fn updateAreaNodes(self: *RoadManager, areas: area_str.Areas) !void {
+        const nodes = try areas.getNodes();
+        defer self.allocator.free(nodes);
+
+        for (0..nodes.len) |i| {
+            self.nodes.items[i] = nodes[i];
+        }
+    }
 };