UI Optim

src/duskrpg/CMakeLists.txt

@@ -14,3 +14,4 @@ add_subdirectory(game)
 add_subdirectory(input)
 add_subdirectory(item)
 add_subdirectory(scene)
+add_subdirectory(ui)

src/duskrpg/ui/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    uitestlabel.c
+)

src/duskrpg/ui/uielementgame.h

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+// Game-specific UI elements, appended after the engine's inbuilt elements
+// in ui/uielementlist.h.
+//
+// #include any headers this file's rows need at the top -- they're safe
+// to include here even though this file also gets spliced inside
+// UI_ELEMENTS[]'s braces, since uielement.c runs a priming pass over this
+// same content at file scope first; each such header's own #pragma once
+// makes the second (real) inclusion a no-op.
+//
+// X(init, update, draw, dispose, order) -- pass NULL for any callback
+// the element doesn't need. order controls update/draw sequence relative
+// to the engine's built-in elements -- see UI_ELEMENT_ORDER_* in
+// src/dusk/ui/uielement.h, or use any int32_t value of your own.
+
+#include "ui/uitestlabel.h"
+
+X(uiTestLabelInit, NULL, uiTestLabelDraw, NULL, UI_ELEMENT_ORDER_DEBUG)

src/duskrpg/ui/uitestlabel.c

@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "uitestlabel.h"
+#include "ui/widget/uilabel.h"
+#include "display/text/text.h"
+#include "display/screen/screen.h"
+#include "engine/engine.h"
+
+uilabel_t UI_TEST_LABEL;
+
+errorret_t uiTestLabelInit() {
+  uiLabelInit(&UI_TEST_LABEL, &FONT_DEFAULT);
+  uiLabelSetText(&UI_TEST_LABEL, "duskrpg");
+  errorOk();
+}
+
+errorret_t uiTestLabelDraw() {
+  int32_t versionWidth, versionHeight;
+  textMeasure(ENGINE.version, &FONT_DEFAULT, &versionWidth, &versionHeight);
+
+  errorChain(uiLabelDraw(
+    &UI_TEST_LABEL,
+    (float_t)(SCREEN.scanX + SCREEN.scanWidth - UI_TEST_LABEL.width),
+    (float_t)(
+      SCREEN.scanY + SCREEN.scanHeight - versionHeight -
+      UI_TEST_LABEL.height
+    )
+  ));
+  errorOk();
+}

src/duskrpg/ui/uitestlabel.h

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "error/error.h"
+
+/**
+ * Initializes the test label, a smoke test for the duskrpg-side UI
+ * element extension point (uielementgame.h).
+ *
+ * @return Any error that occurs.
+ */
+errorret_t uiTestLabelInit();
+
+/**
+ * Draws the test label above the engine's debug version number.
+ *
+ * @return Any error that occurs.
+ */
+errorret_t uiTestLabelDraw();