67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* date = May 7th 2023 0:37 pm */
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#ifndef VN_ANIMATION_CURVE_H
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#define VN_ANIMATION_CURVE_H
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////////////////////////////////
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//~ sixten: Animation Curve Types
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struct animation_curve_key
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{
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u64 Value;
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};
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struct animation_curve_entry
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{
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animation_curve_key Key;
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u32 LastFrameTouched;
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r32 Value;
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animation_curve_entry *Next;
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animation_curve_entry *Prev;
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};
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struct animation_curve_bucket
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{
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animation_curve_entry *First;
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animation_curve_entry *Last;
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};
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struct animation_curve_state
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{
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memory_arena *Arena;
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u32 CurrentFrame;
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r32 dtForFrame;
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// sixten: Hash map
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animation_curve_bucket Buckets[256];
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// sixten: Free list
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animation_curve_entry *FirstFreeEntry;
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animation_curve_entry *LastFreeEntry;
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};
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////////////////////////////////
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//~ sixten: Animation Curve Functions
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inline b32 AreEqual(animation_curve_key A, animation_curve_key B)
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{
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b32 Result = (A.Value == B.Value);
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return(Result);
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}
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static void AC_SetState(animation_curve_state *State);
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static animation_curve_key AC_GenerateKeyFromString(string String);
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static void AC_Init(animation_curve_state *State);
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static animation_curve_entry *AC_GetEntryByKey(animation_curve_key Key, r32 Initial = 0);
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static r32 AC_GetValue(string Name, r32 Initial);
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static void AC_SetValue(string Name, r32 Value);
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static r32 AC_AnimateValueDirect(r32 Target, r32 Duration, r32 *Value);
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static r32 AC_AnimateValue(r32 Target, r32 Initial, r32 Duration, string Name);
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static r32 AC_AnimateValueF(r32 Target, r32 Initial, r32 Duration, char *Format, ...);
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static void AC_NewFrame(animation_curve_state *State, r32 dtForFrame);
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#endif //VN_ANIMATION_CURVE_H
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