[@Emka]

В файлах исходных кодов смотрите файлы entity.h и entity.cpp
По идеи структура должна быть такой:
Оффтоп

[filemask="*.r3e"]

struct EntityFile
{
	u32 version;
	u32 Identity;

	u32 CompHeaderOffset;
	u32 CompHeaderSize;
	child CompHeader [group="CompHeader ", offset=CompHeaderOffset, count=CompHeaderSize/38];
	calc [value=(CompHeaderSize/38)] CompHeaderNum;

	u32 VertexOffset;
	u32 VertexSize;
	child Vertex [group="Vertex ", offset=VertexOffset, count=VertexSize/6]; // child Vertex [group="Vertex ", offset=VertexOffset, count=VertexSize/12];
	calc [value=(VertexSize/6)] VertexNum; // calc [value=(VertexSize/12)] VertexNum;

	u32 VColorOffset;
	u32 VColorSize;
	child VColor [group="VColor ", offset=VColorOffset, count=VColorSize/4];
	calc [value=(VColorSize/4)] VColorNum;

	u32 UVOffset;
	u32 UVSize;
	child UV [group="UV ", offset=UVOffset, count=UVSize/4];
	calc [value=(UVSize/4)] UVNum;

	u32 FaceOffset;
	u32 FaceSize;
	child Face [group="Face ", offset=FaceOffset, count=FaceSize/16];
	calc [value=(FaceSize/16)] FaceNum;

	u32 FaceIDOffset;
	u32 FaceIDSize;
	child FaceID [group="FaceID ", offset=FaceIDOffset, count=FaceIDSize/2];
	calc [value=(FaceIDSize/2)] FaceIDNum;

	u32 VertexIDOffset;
	u32 VertexIDSize;
	child VertexID [group="VertexID ", offset=VertexIDOffset, count=VertexIDSize/2];
	calc [value=(VertexIDSize/2)] VertexIDNum;

	u32 MatGroupOffset;
	u32 MatGroupSize;
	child MatGroup [group="MatGroup ", offset=MatGroupOffset, count=MatGroupSize/22];
	calc [value=(MatGroupSize/22)] MatGroupNum;

	u32 ObjectOffset;
	u32 ObjectSize;
	child Object [group="Object ", offset=ObjectOffset, count=ObjectSize/88];
	calc [value=(ObjectSize/88)] ObjectNum;

	u32 TrackOffset;
	u32 TrackSize;
	child Track [group="Track ", offset=TrackOffset, count=TrackSize/4];
	calc [value=(TrackSize/4)] TrackNum;
}

struct CompHeader
{
	u16 type;
	repeat 3
	{
		i16 bb_min;
	}
	repeat 3
	{
		i16 bb_max;
	}
	repeat 3
	{
		float pos;
	}
	float scale;
	float uv_min;
	float uv_max;
}

struct Vertex
{
	repeat 3
	{
		i16 vertex; // float
	}
}

struct VColor
{
	u32 color;
}

struct UV
{
	repeat 2
	{
		i16 uv;
	}
}
struct Face
{
	u16 v_num;
	u32 v_start_id;
}

struct FaceID
{
	u16 f_id;
}

struct VertexID
{
	u16 v_id;
}

struct MatGroup
{
	u16 face_num;
	u32 face_start_id;
	i16 mtl_id;
	u16 object_id;
	repeat 3
	{
		i16 bb_min;
	}
	repeat 3
	{
		i16 bb_max;
	}
}

struct Object
{
	u16 flag;
	u16 parent;
	i32 frames;
	i32 Pos_cnt;
	i32 Rot_cnt;
	i32 Scale_cnt;
	repeat 3
	{
		float scale;
	}
	repeat 4
	{
		float scale_quat;
	}
	repeat 3
	{
		float pos;
	}
	repeat 4
	{
		float quat;
	}
	u32 pos_offset;
	u32 rot_offset;
	u32 scale_offset;
}

struct Track
{
	float track; // i8
}