Work on CFBStreamedCompression; defined 24-bit ANIM3 format

Runtime/Character/CFBStreamedCompression.hpp

@@ -0,0 +1,71 @@
+#ifndef __URDE_CFSTREAMEDCOMPRESSION_HPP__
+#define __URDE_CFSTREAMEDCOMPRESSION_HPP__
+
+#include "RetroTypes.hpp"
+#include "CToken.hpp"
+#include "CAnimPOIData.hpp"
+#include "zeus/CVector3f.hpp"
+
+namespace urde
+{
+class IObjectStore;
+
+class CFBStreamedCompression
+{
+    friend class CFBStreamedAnimReader;
+    friend class CFBStreamedAnimReaderTotals;
+    friend class CFBStreamedPairOfTotals;
+
+    struct Header
+    {
+        u32 unk0;
+        float duration;
+        float interval;
+        u32 rootBoneId;
+        u32 unk2;
+        u32 rotDiv;
+        float translationMult;
+        u32 boneChannelCount;
+        u32 unk3;
+
+        void read(CInputStream& in)
+        {
+            /* unk0 */
+            unk0 = in.readUint32Big();
+            /* duration */
+            duration = in.readFloatBig();
+            /* interval */
+            interval = in.readFloatBig();
+            /* rootBoneId */
+            rootBoneId = in.readUint32Big();
+            /* unk2 */
+            unk2 = in.readUint32Big();
+            /* rotDiv */
+            rotDiv = in.readUint32Big();
+            /* translationMult */
+            translationMult = in.readFloatBig();
+            /* boneChannelCount */
+            boneChannelCount = in.readUint32Big();
+            /* unk3 */
+            unk3 = in.readUint32Big();
+        }
+    };
+
+    u32 x0_scratchSize;
+    ResId x4_evnt;
+    TLockedToken<CAnimPOIData> x8_evntToken;
+    std::unique_ptr<u32[]> xc_rotsAndOffs;
+    zeus::CVector3f x14_rootOffset;
+
+    static u8* ReadBoneChannelDescriptors(u8* out, CInputStream& in);
+    static std::unique_ptr<u32[]> GetRotationsAndOffsets(u32 words, CInputStream& in);
+    static u32 ComputeBitstreamWords(const u8* chans);
+public:
+    CFBStreamedCompression(CInputStream& in, IObjectStore& objStore);
+    CCharAnimTime GetAnimationDuration() const { return reinterpret_cast<const Header*>(xc_rotsAndOffs.get())->duration; }
+    const TLockedToken<CAnimPOIData>& GetPOIToken() const { return x8_evntToken; }
+};
+
+}
+
+#endif // __URDE_CFSTREAMEDCOMPRESSION_HPP__