Economy (#403)

* nasrano

* Add station budget & salary

* Initial balance

* Vending machine UI

* Pricing for vending machines

* Finish economy

* Eftpos

* Finish eftpos

* Put eftpos into lockers

* Vending machine prices

* Small fixes

* Fix atm UI

* Add atms to maps

* fix

* reset

* Add PDA program

* Maps again

---------

Co-authored-by: Mona Hmiza <>
Co-authored-by: rhailrake <49613070+rhailrake@users.noreply.github.com>

Resources/Textures/Shaders/White/gradient.swsl

@@ -0,0 +1,20 @@
+uniform sampler2D SCREEN_TEXTURE;
+
+uniform highp vec4 first_color = vec4(1.0);
+uniform highp vec4 second_color = vec4(0.0, 0.0, 0.0, 1.0);
+uniform highp float position = 0.0;
+uniform highp float size = 1.0;
+uniform highp float angle = 90.0;
+
+void fragment() {
+
+    highp float pivot = position + 0.5;
+
+    highp vec2 uv = UV - pivot;
+
+    highp float rotated = uv.x * cos(radians(angle)) - uv.y * sin(radians(angle));
+
+    highp float pos = smoothstep((1.0 - size) + position, size + 0.0001 + position, rotated + pivot);
+
+    COLOR = mix(first_color, second_color, pos);
+}