52 lines
1.0 KiB
Java
52 lines
1.0 KiB
Java
package gui.menu;
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import java.util.Stack;
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import imgui.ImGui;
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import imgui.ImVec2;
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import imgui.flag.ImGuiKey;
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import imgui.flag.ImGuiWindowFlags;
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public class StateMachine {
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private final Stack<BaseView> menus;
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public StateMachine() {
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this.menus = new Stack<>();
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}
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public void clear() {
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for (BaseView view : menus) {
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view.onKill();
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}
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menus.clear();
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}
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public void pushState(BaseView menu) {
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menus.add(menu);
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}
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public void popState() {
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menus.get(menus.size() - 1).onKill();
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menus.pop();
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}
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private void checkEscape() {
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if (ImGui.isKeyPressed(ImGuiKey.Escape) && menus.size() > 1) {
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popState();
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}
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}
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public void render() {
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var displaySize = ImGui.getIO().getDisplaySize();
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ImGui.setNextWindowPos(new ImVec2(0.0f, 0.0f));
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ImGui.setNextWindowSize(displaySize);
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ImGui.begin("##Main Window", null, ImGuiWindowFlags.NoDecoration | ImGuiWindowFlags.NoMove
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| ImGuiWindowFlags.NoSavedSettings | ImGuiWindowFlags.NoBackground);
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menus.get(menus.size() - 1).render();
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ImGui.end();
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checkEscape();
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}
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}
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