103 lines
2.1 KiB
C++
103 lines
2.1 KiB
C++
#pragma once
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#include "engine/matrix.h"
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#include "engine/resource.h"
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#include "engine/resource_manager_base.h"
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namespace Lumix
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{
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namespace FS
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{
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class FileSystem;
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struct IFile;
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}
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class Model;
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struct Pose;
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struct Quat;
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struct Vec3;
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class AnimationManager LUMIX_FINAL : public ResourceManagerBase
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{
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public:
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explicit AnimationManager(IAllocator& allocator)
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: ResourceManagerBase(allocator)
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, m_allocator(allocator)
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{}
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~AnimationManager() {}
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IAllocator& getAllocator() { return m_allocator; }
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protected:
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Resource* createResource(const Path& path) override;
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void destroyResource(Resource& resource) override;
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private:
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IAllocator& m_allocator;
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};
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struct BoneMask
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{
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BoneMask(IAllocator& allocator) : bones(allocator) {}
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u32 name;
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HashMap<u32, u8> bones;
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};
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class Animation LUMIX_FINAL : public Resource
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{
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public:
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static const u32 HEADER_MAGIC = 0x5f4c4146; // '_LAF'
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static const ResourceType TYPE;
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public:
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struct Header
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{
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u32 magic;
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u32 version;
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u32 fps;
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};
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public:
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Animation(const Path& path, ResourceManagerBase& resource_manager, IAllocator& allocator);
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ResourceType getType() const override { return TYPE; }
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int getRootMotionBoneIdx() const { return m_root_motion_bone_idx; }
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RigidTransform getBoneTransform(float time, int bone_idx) const;
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void getRelativePose(float time, Pose& pose, Model& model, BoneMask* mask) const;
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void getRelativePose(float time, Pose& pose, Model& model, float weight, BoneMask* mask) const;
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int getFrameCount() const { return m_frame_count; }
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float getLength() const { return m_frame_count / (float)m_fps; }
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int getFPS() const { return m_fps; }
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int getBoneCount() const { return m_bones.size(); }
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int getBoneIndex(u32 name) const;
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private:
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IAllocator& getAllocator() const;
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void unload() override;
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bool load(FS::IFile& file) override;
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private:
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int m_frame_count;
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struct Bone
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{
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u32 name;
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int pos_count;
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const u16* pos_times;
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const Vec3* pos;
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int rot_count;
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const u16* rot_times;
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const Quat* rot;
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};
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Array<Bone> m_bones;
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Array<u8> m_mem;
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int m_fps;
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int m_root_motion_bone_idx;
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};
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} // namespace Lumix
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