refactoring, road implementation

src/area/spawn-area.zig

@@ -0,0 +1,47 @@
+const std = @import("std");
+const rl = @import("raylib");
+const structures = @import("../structures.zig");
+const globals = @import("../globals.zig");
+const car = @import("../car/car.zig");
+
+pub const SpawnArea = struct {
+    area: structures.AreaLocation,
+    location: rl.Vector2,
+    width: i32,
+    height: i32,
+
+    pub fn init(area_loc: structures.AreaLocation) SpawnArea {
+        var new_spawn = SpawnArea{
+            .area = area_loc,
+            .location = undefined,
+            .width = 100,
+            .height = 50,
+        };
+
+        // need to do this outside the "constructor", as the function needs reference to self
+        new_spawn.setLocation();
+
+        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 },
+            .top_right => rl.Vector2{ .x = globals.getScreenWidthF32() - @as(f32, @floatFromInt(self.width)) * globals.getScale(), .y = 0 },
+            .bottom_left => rl.Vector2{ .x = 0, .y = globals.getScreenHeightF32() - @as(f32, @floatFromInt(self.height)) * globals.getScale() },
+            .bottom_right => rl.Vector2{ .x = globals.getScreenWidthF32() - @as(f32, @floatFromInt(self.width)) * globals.getScale(), .y = globals.getScreenHeightF32() - @as(f32, @floatFromInt(self.height)) * globals.getScale() },
+        };
+    }
+
+    pub fn draw(self: *const SpawnArea) void {
+        const rect = rl.Rectangle{
+            .x = self.location.x,
+            .y = self.location.y,
+            .width = @as(f32, @floatFromInt(self.width)) * globals.getScale(),
+            .height = @as(f32, @floatFromInt(self.height)) * globals.getScale(),
+        };
+        rl.drawRectangleRec(rect, .dark_gray);
+        // todo draw cars
+    }
+};