Initial public source release

Split reusable rendering and format support into vectorail-core and vectorail-gc.
2026-08-02 17:05:27 +02:00
commit 831d96e562
109 changed files with 20558 additions and 0 deletions
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+#pragma once
+
+namespace openroller::psp {
+
+constexpr int kScreenWidth = 480;
+constexpr int kScreenHeight = 272;
+constexpr int kLogicalWidth = 720;
+constexpr int kLogicalHeight = 1280;
+constexpr float kLogicalScale = 3.0f / 8.0f;
+constexpr int kScaledWidth = 270;
+constexpr int kBorder = (kScreenHeight - kScaledWidth) / 2;
+
+enum class TateSide {
+    Clockwise,
+    CounterClockwise,
+};
+
+struct Point {
+    float x;
+    float y;
+};
+
+inline Point toScreen(float logicalX, float logicalY, TateSide side) {
+    if (side == TateSide::Clockwise) {
+        return {
+            static_cast<float>(kScreenWidth) - logicalY * kLogicalScale,
+            static_cast<float>(kBorder) + logicalX * kLogicalScale,
+        };
+    }
+    return {
+        logicalY * kLogicalScale,
+        static_cast<float>(kBorder + kScaledWidth) - logicalX * kLogicalScale,
+    };
+}
+
+inline Point screenDirectionToLogical(float screenX, float screenY, TateSide side) {
+    if (side == TateSide::Clockwise) {
+        return {screenY, -screenX};
+    }
+    return {-screenY, screenX};
+}
+
+} // namespace openroller::psp