ccore/include/core/Vector.h

#ifndef CORE_VECTOR_H
#define CORE_VECTOR_H

#include "core/Types.h"

#define CORE_VECTOR_OP2(name) name *r, const name *a
#define CORE_VECTOR_OP3(name) CORE_VECTOR_OP2(name), const name* b

#define CORE_DEFINE_VECTOR(N, name, sname, type)                               \
    typedef struct {                                                           \
        type data[N];                                                          \
    } name;                                                                    \
    name* coreAddSet##sname(CORE_VECTOR_OP2(name));                            \
    name* coreAdd##sname(CORE_VECTOR_OP3(name));                               \
    name* coreSubSet##sname(CORE_VECTOR_OP2(name));                            \
    name* coreSub##sname(CORE_VECTOR_OP3(name));                               \
    name* coreMulSet##sname(CORE_VECTOR_OP2(name));                            \
    name* coreMul##sname(CORE_VECTOR_OP3(name));                               \
    name* coreDivSet##sname(CORE_VECTOR_OP2(name));                            \
    name* coreDiv##sname(CORE_VECTOR_OP3(name));                               \
    name* coreMulSet##sname##F(name* r, type f);                               \
    name* coreMul##sname##F(name* r, const name* a, type f);                   \
    name* coreDivSet##sname##F(name* r, type f);                               \
    name* coreDiv##sname##F(name* r, const name* a, type f);                   \
    name* coreInvertSet##sname(name* r);                                       \
    name* coreInvert##sname(name* r, const name* a);                           \
    size_t coreToString##sname(const name* a, char* buffer, size_t n);

#define CORE_DEFINE_FVECTOR(N, name)                                           \
    float coreDotV##N(const name* a, const name* b);                           \
    float coreSquareLengthV##N(const name* a);                                 \
    float coreLengthV##N(const name* a);                                       \
    name* coreNormalizeV##N(name* r);

CORE_DEFINE_VECTOR(2, CoreVector2, V2, float)
CORE_DEFINE_VECTOR(3, CoreVector3, V3, float)
CORE_DEFINE_VECTOR(4, CoreVector4, V4, float)
CORE_DEFINE_FVECTOR(2, CoreVector2)
CORE_DEFINE_FVECTOR(3, CoreVector3)
CORE_DEFINE_FVECTOR(4, CoreVector4)
CORE_DEFINE_VECTOR(2, CoreIntVector2, IV2, int)
CORE_DEFINE_VECTOR(3, CoreIntVector3, IV3, int)
CORE_DEFINE_VECTOR(4, CoreIntVector4, IV4, int)

CoreVector3* coreAngles(CoreVector3* r, float lengthAngle, float widthAngle);
CoreVector3* coreCross(CORE_VECTOR_OP3(CoreVector3));

#define CORE_DEFINE_VECTOR_CONVERSION(a, nameA, b, nameB)                      \
    a* coreConvert##nameB(a* r, const b* c);                                   \
    b* coreConvert##nameA(b* r, const a* c)

CORE_DEFINE_VECTOR_CONVERSION(CoreVector2, V2, CoreIntVector2, IV2);
CORE_DEFINE_VECTOR_CONVERSION(CoreVector3, V3, CoreIntVector3, IV3);
CORE_DEFINE_VECTOR_CONVERSION(CoreVector4, V4, CoreIntVector4, IV4);

#define CORE_VECTOR2 ((CoreVector2){0})
#define CORE_VECTOR3 ((CoreVector3){0})
#define CORE_VECTOR4 ((CoreVector4){0})
#define CORE_INT_VECTOR2 ((CoreIntVector2){0})
#define CORE_INT_VECTOR3 ((CoreIntVector3){0})
#define CORE_INT_VECTOR4 ((CoreIntVector4){0})

#ifdef IMPORT_CORE
#define Vector2 CoreVector2
#define addSetV2 coreAddSetV2
#define addV2 coreAddV2
#define subSetV2 coreSubSetV2
#define subV2 coreSubV2
#define mulSetV2 coreMulSetV2
#define mulV2 coreMulV2
#define divSetV2 coreDivSetV2
#define divV2 coreDivV2
#define mulSetV2F coreMulSetV2F
#define mulV2F coreMulV2F
#define divSetV2F coreDivSetV2F
#define divV2F coreDivV2F
#define invertSetV2 coreInvertSetV2
#define invertV2 coreInvertV2
#define toStringV2 coreToStringV2

#define Vector3 CoreVector3
#define addSetV3 coreAddSetV3
#define addV3 coreAddV3
#define subSetV3 coreSubSetV3
#define subV3 coreSubV3
#define mulSetV3 coreMulSetV3
#define mulV3 coreMulV3
#define divSetV3 coreDivSetV3
#define divV3 coreDivV3
#define mulSetV3F coreMulSetV3F
#define mulV3F coreMulV3F
#define divSetV3F coreDivSetV3F
#define divV3F coreDivV3F
#define invertSetV3 coreInvertSetV3
#define invertV3 coreInvertV3
#define toStringV3 coreToStringV3

#define Vector4 CoreVector4
#define addSetV4 coreAddSetV4
#define addV4 coreAddV4
#define subSetV4 coreSubSetV4
#define subV4 coreSubV4
#define mulSetV4 coreMulSetV4
#define mulV4 coreMulV4
#define divSetV4 coreDivSetV4
#define divV4 coreDivV4
#define mulSetV4F coreMulSetV4F
#define mulV4F coreMulV4F
#define divSetV4F coreDivSetV4F
#define divV4F coreDivV4F
#define invertSetV4 coreInvertSetV4
#define invertV4 coreInvertV4
#define toStringV4 coreToStringV4

#define IntVector2 CoreIntVector2
#define addSetIV2 coreAddSetIV2
#define addIV2 coreAddIV2
#define subSetIV2 coreSubSetIV2
#define subIV2 coreSubIV2
#define mulSetIV2 coreMulSetIV2
#define mulIV2 coreMulIV2
#define divSetIV2 coreDivSetIV2
#define divIV2 coreDivIV2
#define mulSetIV2F coreMulSetIV2F
#define mulIV2F coreMulIV2F
#define divSetIV2F coreDivSetIV2F
#define divIV2F coreDivIV2F
#define invertSetIV2 coreInvertSetIV2
#define invertIV2 coreInvertIV2
#define toStringIV2 coreToStringIV2

#define IntVector3 CoreIntVector3
#define addSetIV3 coreAddSetIV3
#define addIV3 coreAddIV3
#define subSetIV3 coreSubSetIV3
#define subIV3 coreSubIV3
#define mulSetIV3 coreMulSetIV3
#define mulIV3 coreMulIV3
#define divSetIV3 coreDivSetIV3
#define divIV3 coreDivIV3
#define mulSetIV3F coreMulSetIV3F
#define mulIV3F coreMulIV3F
#define divSetIV3F coreDivSetIV3F
#define divIV3F coreDivIV3F
#define invertSetIV3 coreInvertSetIV3
#define invertIV3 coreInvertIV3
#define toStringIV3 coreToStringIV3

#define IntVector4 CoreIntVector4
#define addSetIV4 coreAddSetIV4
#define addIV4 coreAddIV4
#define subSetIV4 coreSubSetIV4
#define subIV4 coreSubIV4
#define mulSetIV4 coreMulSetIV4
#define mulIV4 coreMulIV4
#define divSetIV4 coreDivSetIV4
#define divIV4 coreDivIV4
#define mulSetIV4F coreMulSetIV4F
#define mulIV4F coreMulIV4F
#define divSetIV4F coreDivSetIV4F
#define divIV4F coreDivIV4F
#define invertSetIV4 coreInvertSetIV4
#define invertIV4 coreInvertIV4
#define toStringIV4 coreToStringIV4

#define dotV2 coreDotV2
#define squareLengthV2 coreSquareLengthV2
#define lengthV2 coreLengthV2
#define normalizeV2 coreNormalizeV2

#define dotV3 coreDotV3
#define squareLengthV3 coreSquareLengthV3
#define lengthV3 coreLengthV3
#define normalizeV3 coreNormalizeV3

#define dotV4 coreDotV4
#define squareLengthV4 coreSquareLengthV4
#define lengthV4 coreLengthV4
#define normalizeV4 coreNormalizeV4

#define angles coreAngles
#define cross coreCross

#define convertV2 coreConvertV2
#define convertIV2 coreConvertIV2
#define convertV3 coreConvertV3
#define convertIV3 coreConvertIV3
#define convertV4 coreConvertV4
#define convertIV4 coreConvertIV4

#define VECTOR2 CORE_VECTOR2
#define VECTOR3 CORE_VECTOR3
#define VECTOR4 CORE_VECTOR4
#define INT_VECTOR2 CORE_INT_VECTOR2
#define INT_VECTOR3 CORE_INT_VECTOR3
#define INT_VECTOR4 CORE_INT_VECTOR4

#define SELECT_VECTOR(_1, _2, _3, _4, name, ...) name
#define V(...)                                                                 \
    ((SELECT_VECTOR(__VA_ARGS__, Vector4, Vector3, Vector2, 0)){{__VA_ARGS__}})
#define IV(...)                                                                \
    ((SELECT_VECTOR(__VA_ARGS__, IntVector4, IntVector3, IntVector2, 0)){      \
        {__VA_ARGS__}})

#endif

#endif