From c14ac533dc9b38d6194b5aa3b06fd71980639efc Mon Sep 17 00:00:00 2001
From: Marto <marto@marto.si>
Date: Sat, 25 Apr 2026 02:25:45 +0200
Subject: [PATCH] Implemented cancel building functionality

---
 .gitignore               |  1 +
 infrastructure/node.odin |  7 ++++++-
 simulator.odin           | 28 +++++++++++++++++++++-------
 3 files changed, 28 insertions(+), 8 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4bab22b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+debug_build
diff --git a/infrastructure/node.odin b/infrastructure/node.odin
index 395c0be..0ee4c16 100644
--- a/infrastructure/node.odin
+++ b/infrastructure/node.odin
@@ -13,7 +13,7 @@ Node :: struct {
 	roads: [dynamic]u32,
 }
 
-// Node Initialisation
+// Constructor
 node_init :: proc(new_pos: rl.Vector2) -> Node {
 	return {
 		enabled = true,
@@ -22,6 +22,11 @@ node_init :: proc(new_pos: rl.Vector2) -> Node {
 	}
 }
 
+// Destructor
+node_deinit :: proc(self: ^Node) {
+	delete(self.roads)
+}
+
 // Returns whether passed pos(ition) is within this node's snapping radius
 node_within_snapping_radius :: proc(self: ^Node, pos: rl.Vector2) -> bool {
 	return rl.CheckCollisionPointCircle(
diff --git a/simulator.odin b/simulator.odin
index e6732b9..2586337 100644
--- a/simulator.odin
+++ b/simulator.odin
@@ -7,7 +7,6 @@ import "core:fmt"
 import inf "infrastructure"
 
 // PLAN AREA
-// TODO implement right click 'cancel building functionali'
 // TODO implement deleting of roads
 
 Simulator :: struct {
@@ -63,7 +62,11 @@ handle_keyboard_input :: proc(self: ^Simulator) {
 // Generally mouse event handler
 @(private="file")
 handle_mouse_input :: proc(self: ^Simulator, pos: rl.Vector2) {
-	if (rl.IsMouseButtonReleased(.LEFT)) do left_click_event(self, pos)
+	if (rl.IsMouseButtonReleased(.LEFT)) {
+		left_click_event(self, pos)
+	} else if (rl.IsMouseButtonReleased(.RIGHT)) {
+		right_click_event(self)
+	}
 }
 
 // Handles left click functionality
@@ -82,6 +85,20 @@ left_click_event :: proc(self: ^Simulator, pos: rl.Vector2) {
 	self.temp_node_index = cur_node_index
 }
 
+// Handles right click functionality
+@(private="file")
+right_click_event :: proc(self: ^Simulator) {
+	if self.temp_node_index == nil do return
+	index := self.temp_node_index.?
+	
+	temp_node := &self.nodes[index]
+	self.temp_node_index = nil
+	if len(temp_node.roads) > 0 do return	
+	
+	inf.node_deinit(temp_node)
+	unordered_remove(&self.nodes, index)
+}
+
 // Main drawing function
 draw :: proc(self: ^Simulator, pos: rl.Vector2) {
 	rl.ClearBackground(common.BACKGROUND_COLOUR)
@@ -167,15 +184,13 @@ get_intersecting_roads :: proc(self: ^Simulator, start: u32, end: u32) -> []comm
 @(private="file")
 split_roads_by_points :: proc(self: ^Simulator, intersections: []common.Intersection_Data, start: u32, end: u32) {
 	if len(intersections) == 0 {
-		road := inf.road_init(start, end)
-		append(&self.roads, road)
+		add_road(self, start, end)
 		
 		return
 	}
 	
 	first_intersection_node := get_node_or_new(self, intersections[0].point)
-	road := inf.road_init(start, first_intersection_node)
-	append(&self.roads, road)
+	add_road(self, start, first_intersection_node)
 	
 	for i in 0..<len(intersections) {
 		intersection := intersections[i]
@@ -206,7 +221,6 @@ split_roads_by_points :: proc(self: ^Simulator, intersections: []common.Intersec
 	
 	last_intersection_road := intersections[len(intersections) - 1]
 	last_intersection_node := get_node_or_new(self, last_intersection_road.point)
-	
 	add_road(self, last_intersection_node, end)
 }