Initial public source release

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

psp/include/StageRuntime.hpp

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "openroller/psp/StagePackage.hpp"
+
+#include <cstddef>
+#include <cstdint>
+
+namespace openroller::psp {
+
+struct Vec3 {
+    float x = 0.0f;
+    float y = 0.0f;
+    float z = 0.0f;
+};
+
+struct CameraState {
+    Vec3 eye;
+    Vec3 target;
+    Vec3 up{0.0f, 1.0f, 0.0f};
+    float projectionBlend = 0.0f;
+};
+
+struct StageView {
+    void* storage = nullptr;
+    std::size_t storageSize = 0;
+    const StagePackageHeader* header = nullptr;
+    const PackageTrackPoint* track = nullptr;
+    const PackageNote* notes = nullptr;
+    const PackageCameraPoint* cameras = nullptr;
+    const PackageDrawDistancePoint* drawDistances = nullptr;
+    const PackageBackgroundColorPoint* backgroundColors = nullptr;
+    const PackageBackgroundModel* backgroundModels = nullptr;
+    const PackageBackgroundVertex* backgroundVertices = nullptr;
+    const PackageBackgroundObject* backgroundObjects = nullptr;
+    const PackageVisibilityKey* visibilityKeys = nullptr;
+    const PackageTransformKey* transformKeys = nullptr;
+    const PackageObjectColorKey* objectColorKeys = nullptr;
+    const PackageParticlePoint* particles = nullptr;
+    const PackageVisualizerPoint* visualizer = nullptr;
+    const PackageBpmPoint* bpmChanges = nullptr;
+};
+
+struct BackgroundColors {
+    std::uint32_t topRight = 0;
+    std::uint32_t topLeft = 0;
+    std::uint32_t bottomRight = 0;
+    std::uint32_t bottomLeft = 0;
+};
+
+bool loadStagePackage(const char* path, StageView* stage, char* error, std::size_t errorCapacity);
+void unloadStagePackage(StageView* stage);
+
+Vec3 trackPositionAt(const StageView& stage, float timeMs);
+Vec3 trackTangentAt(const StageView& stage, float timeMs);
+CameraState evaluateCamera(const StageView& stage, float timeMs);
+BackgroundColors evaluateBackground(const StageView& stage, float timeMs);
+float evaluateDrawAhead(const StageView& stage, float timeMs);
+float evaluateBeatDurationMs(const StageView& stage, float timeMs);
+
+} // namespace openroller::psp