Initial public source release

Split reusable rendering and format support into vectorail-core and vectorail-gc.

psp/include/Gameplay.hpp

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "StageRuntime.hpp"
+
+#include <cstdint>
+
+namespace openroller::psp {
+
+enum class Judgment : std::uint8_t {
+    // Values 0..3 match the original game's recovered enum.
+    Miss = 0,
+    Good = 1,
+    Cool = 2,
+    Great = 3,
+    Pending = 0xff,
+};
+
+struct GameplayState {
+    struct NoteRuntime {
+        std::uint8_t judgment = static_cast<std::uint8_t>(Judgment::Pending);
+        std::uint8_t holding = 0;
+        std::uint8_t shotMuteApplied = 0;
+        std::uint8_t reserved = 0;
+        float inputStartTimeMs = -1.0f;
+        float lastInputTimeMs = -1.0f;
+        std::uint32_t inputMask = 0;
+        std::uint32_t lastInputBit = 0;
+    };
+
+    NoteRuntime* notes = nullptr;
+    std::uint32_t noteCount = 0;
+    std::uint32_t nextPending = 0;
+    std::uint32_t combo = 0;
+    std::uint32_t maximumCombo = 0;
+    std::uint32_t greatCount = 0;
+    std::uint32_t coolCount = 0;
+    std::uint32_t goodCount = 0;
+    std::uint32_t missCount = 0;
+    float previousClockMs = 0.0f;
+    float lastJudgmentClockMs = -10000.0f;
+    std::int32_t lastJudgedNote = -1;
+    Judgment lastJudgment = Judgment::Pending;
+    bool shotMuted = false;
+};
+
+bool initializeGameplay(const StageView& stage, GameplayState* gameplay);
+void destroyGameplay(GameplayState* gameplay);
+void seekGameplay(const StageView& stage, GameplayState* gameplay, float clockMs);
+void updateGameplay(const StageView& stage, GameplayState* gameplay, float clockMs);
+Judgment tapGameplay(const StageView& stage, GameplayState* gameplay, float clockMs);
+Judgment pressGameplay(
+    const StageView& stage,
+    GameplayState* gameplay,
+    float clockMs,
+    std::uint32_t inputBit);
+Judgment releaseGameplay(
+    const StageView& stage,
+    GameplayState* gameplay,
+    float clockMs,
+    std::uint32_t inputBit);
+Judgment noteJudgment(const GameplayState& gameplay, std::uint32_t noteIndex);
+
+} // namespace openroller::psp