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doylet
2026-03-26 22:31:23 +11:00
parent 9aa403d104
commit 1eacb72a77
7 changed files with 477 additions and 150 deletions
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Source/Base/dn_base.h
+88 -18
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@@ -228,6 +228,9 @@
#if !defined(DN_TanF32)
#define DN_TanF32(val) tanf(val)
#endif
#if !defined(DN_PowF32)
#define DN_PowF32(val, exp) powf(val, exp)
#endif
#endif
// NOTE: Math
@@ -836,6 +839,22 @@ struct DN_Pool
DN_U8 align;
};
struct DN_UTF8DecodeResult
{
bool success;
DN_Str8 remaining;
DN_U32 codepoint;
};
struct DN_UTF8DecodeIterator
{
bool init;
bool success;
DN_Str8 remaining;
DN_USize codepoint_index;
DN_U32 codepoint;
};
struct DN_NibbleFromU8Result
{
char nibble0;
@@ -1213,7 +1232,19 @@ union DN_V2F32
struct { DN_F32 w, h; };
DN_F32 data[2];
};
DN_DArrayStructDecl(DN_V2F32);
struct DN_2V2F32
{
DN_V2F32 min;
DN_V2F32 max;
};
struct DN_V2F32Array
{
DN_V2F32 *data;
DN_USize count;
DN_USize max;
};
union DN_V3F32
{
@@ -1231,7 +1262,13 @@ union DN_V4F32
DN_V3F32 xyz;
DN_F32 data[4];
};
DN_DArrayStructDecl(DN_V4F32);
struct DN_V4F32Array
{
DN_V4F32* data;
DN_USize count;
DN_USize max;
};
DN_MSVC_WARNING_POP
struct DN_M4
@@ -1245,16 +1282,23 @@ union DN_M2x3
DN_F32 row[2][3];
};
struct DN_M2x3XForm
{
DN_M2x3 forward;
DN_M2x3 inverse;
};
enum DN_M2x3ProjOrigin
{
DN_M2x3ProjOrigin_TopLeft,
DN_M2x3ProjOrigin_Center,
};
struct DN_Rect
{
DN_V2F32 pos, size;
};
struct DN_RectMinMax
{
DN_V2F32 min, max;
};
enum DN_RectCutClip
{
DN_RectCutClip_No,
@@ -1638,8 +1682,10 @@ DN_API DN_Str8 DN_Str8BuilderBuild
DN_API DN_Str8 DN_Str8BuilderBuildDelimited (DN_Str8Builder const *builder, DN_Str8 delimiter, DN_Arena *arena);
DN_API DN_Str8Slice DN_Str8BuilderBuildSlice (DN_Str8Builder const *builder, DN_Arena *arena);
DN_API int DN_EncodeUTF8Codepoint (DN_U8 utf8[4], DN_U32 codepoint);
DN_API int DN_EncodeUTF16Codepoint (DN_U16 utf16[2], DN_U32 codepoint);
DN_API int DN_UTF8Encode (DN_U8 utf8[4], DN_U32 codepoint);
DN_API int DN_UTF16Encode (DN_U16 utf16[2], DN_U32 codepoint);
DN_API DN_UTF8DecodeResult DN_UTF8Decode (DN_Str8 stream);
DN_API bool DN_UTF8DecodeIterate (DN_UTF8DecodeIterator *it, DN_Str8 utf8);
DN_API DN_U8 DN_U8FromHexNibble (char hex);
DN_API DN_NibbleFromU8Result DN_NibbleFromU8 (DN_U8 u8);
@@ -1756,6 +1802,11 @@ DN_API void DN_StackTracePrint
DN_API void DN_StackTraceReloadSymbols ();
#endif
DN_API DN_F32 DN_F32Lerp (DN_F32 a, DN_F32 t, DN_F32 b);
DN_API DN_F32 DN_F32Floor (DN_F32 val);
DN_API DN_F32 DN_F32Ceil (DN_F32 val);
DN_API DN_F32 DN_F32RoundHalfUp (DN_F32 val);
#define DN_V2I32Zero DN_Literal(DN_V2I32){{(DN_I32)(0), (DN_I32)(0)}}
#define DN_V2I32One DN_Literal(DN_V2I32){{(DN_I32)(1), (DN_I32)(1)}}
#define DN_V2I32From1N(x) DN_Literal(DN_V2I32){{(DN_I32)(x), (DN_I32)(x)}}
@@ -1827,8 +1878,9 @@ DN_API DN_V2U16& operator+=
#define DN_V2F32One DN_Literal(DN_V2F32){{(DN_F32)(1), (DN_F32)(1)}}
#define DN_V2F32From1N(x) DN_Literal(DN_V2F32){{(DN_F32)(x), (DN_F32)(x)}}
#define DN_V2F32From2N(x, y) DN_Literal(DN_V2F32){{(DN_F32)(x), (DN_F32)(y)}}
#define DN_V2F32FromV2I32(xy) DN_Literal(DN_V2F32){{(DN_F32)(xy).x, (DN_F32)(xy).y}}
#define DN_V2F32FromV2U32(xy) DN_Literal(DN_V2F32){{(DN_F32)(xy).x, (DN_F32)(xy).y}}
#define DN_V2F32FromV2(xy) DN_Literal(DN_V2F32){{(DN_F32)(xy).x, (DN_F32)(xy).y}}
DN_API DN_V2F32 DN_V2F32Lerp (DN_V2F32 a, DN_F32 t, DN_V2F32 b);
DN_API bool operator!= (DN_V2F32 lhs, DN_V2F32 rhs);
DN_API bool operator== (DN_V2F32 lhs, DN_V2F32 rhs);
@@ -1896,6 +1948,10 @@ DN_API DN_F32 DN_V2F32Area
#define DN_V3F32From3N(x, y, z) DN_Literal(DN_V3F32){{(DN_F32)(x), (DN_F32)(y), (DN_F32)(z)}}
#define DN_V3F32FromV2F32And1N(xy, z) DN_Literal(DN_V3F32){{(DN_F32)(xy.x), (DN_F32)(xy.y), (DN_F32)(z)}}
// NOTE: Grayscale co-efficients from:
// https://github.com/EpicGames/UnrealEngine/blob/260bb2e1c5610b31c63a36206eedd289409c5f11/Engine/Source/Runtime/Core/Private/Math/Color.cpp#L304
DN_V3F32 static const DN_V3F32_RGB_LUMINANCE = DN_V3F32From3N(0.3f, 0.59f, 0.11f);
DN_API bool operator== (DN_V3F32 lhs, DN_V3F32 rhs);
DN_API bool operator!= (DN_V3F32 lhs, DN_V3F32 rhs);
DN_API bool operator>= (DN_V3F32 lhs, DN_V3F32 rhs);
@@ -1919,6 +1975,7 @@ DN_API DN_V3F32& operator/=
DN_API DN_V3F32& operator/= (DN_V3F32 &lhs, DN_I32 rhs);
DN_API DN_V3F32& operator-= (DN_V3F32 &lhs, DN_V3F32 rhs);
DN_API DN_V3F32& operator+= (DN_V3F32 &lhs, DN_V3F32 rhs);
DN_API DN_V3F32 DN_V3F32Lerp (DN_V3F32 lhs, DN_F32 t01, DN_V3F32 rhs);
DN_API DN_F32 DN_V3F32LengthSq (DN_V3F32 a);
DN_API DN_F32 DN_V3F32Length (DN_V3F32 a);
DN_API DN_V3F32 DN_V3F32Normalise (DN_V3F32 a);
@@ -1926,11 +1983,19 @@ DN_API DN_V3F32 DN_V3F32Normalise
#define DN_V4F32From1N(x) DN_Literal(DN_V4F32){{(DN_F32)(x), (DN_F32)(x), (DN_F32)(x), (DN_F32)(x)}}
#define DN_V4F32From4N(x, y, z, w) DN_Literal(DN_V4F32){{(DN_F32)(x), (DN_F32)(y), (DN_F32)(z), (DN_F32)(w)}}
#define DN_V4F32FromV3And1N(xyz, w) DN_Literal(DN_V4F32){{xyz.x, xyz.y, xyz.z, w}}
#define DN_V4F32FromRGBAU8(r, g, b, a) DN_Literal(DN_V4F32){{r / 255.f, g / 255.f, b / 255.f, a / 255.f}}
#define DN_V4F32FromRGBU8(r, g, b) DN_Literal(DN_V4F32){{r / 255.f, g / 255.f, b / 255.f, 1.f}}
DN_API DN_V4F32 DN_V4F32FromRGBU32 (DN_U32 u32);
DN_API DN_V4F32 DN_V4F32FromRGBAU32 (DN_U32 u32);
#define DN_V4F32RGBA01FromRGBAU8(r, g, b, a) DN_Literal(DN_V4F32){{r / 255.f, g / 255.f, b / 255.f, a / 255.f}}
#define DN_V4F32RGBA01FromRGBU8(r, g, b) DN_Literal(DN_V4F32){{r / 255.f, g / 255.f, b / 255.f, 1.f}}
DN_API DN_V4F32 DN_V4F32Lerp (DN_V4F32 lhs, DN_F32 t01, DN_V4F32 rhs);
DN_API bool DN_V4F32RGBA01IsValid (DN_V4F32 rgba01);
DN_API DN_V4F32 DN_V4F32RGBA01FromRGBU32 (DN_U32 u32);
DN_API DN_V4F32 DN_V4F32RGBA01FromRGBAU32 (DN_U32 u32);
DN_API DN_V4F32 DN_V4F32Linear01FromSRGB01 (DN_V4F32 rgb01);
DN_API DN_V4F32 DN_V4F32Linear01Desaturate (DN_V4F32 linear01, DN_F32 t01);
DN_API DN_V4F32 DN_V4F32SRGB01FromLinear01 (DN_V4F32 linear01);
#define DN_V4F32FromV4Alpha(v4, alpha) DN_V4F32FromV3And1N(v4.xyz, alpha)
DN_API bool operator== (DN_V4F32 lhs, DN_V4F32 rhs);
DN_API bool operator!= (DN_V4F32 lhs, DN_V4F32 rhs);
DN_API bool operator<= (DN_V4F32 lhs, DN_V4F32 rhs);
@@ -1976,9 +2041,15 @@ DN_API DN_M2x3 DN_M2x3Translate
DN_API DN_V2F32 DN_M2x3ScaleGet (DN_M2x3 m2x3);
DN_API DN_M2x3 DN_M2x3Scale (DN_V2F32 scale);
DN_API DN_M2x3 DN_M2x3Rotate (DN_F32 radians);
DN_API DN_M2x3 DN_M2x3ProjFromV2F32 (DN_V2F32 size, DN_M2x3ProjOrigin origin);
DN_API DN_M2x3XForm DN_M2x3XFormFrom2M2x3 (DN_M2x3 forward, DN_M2x3 inverse);
DN_API DN_M2x3XForm DN_M2x3XFormFromTRS (DN_V2F32 pos, DN_V2F32 scale, DN_F32 rotate_rads, DN_V2F32 pivot_pos);
DN_API DN_M2x3XForm DN_M2x3XFormIdentity ();
DN_API DN_M2x3XForm DN_M2x3XFormMul (DN_M2x3XForm m1, DN_M2x3XForm m2);
DN_API DN_M2x3 DN_M2x3Mul (DN_M2x3 m1, DN_M2x3 m2);
DN_API DN_V2F32 DN_M2x3Mul2F32 (DN_M2x3 m1, DN_F32 x, DN_F32 y);
DN_API DN_V2F32 DN_M2x3MulV2F32 (DN_M2x3 m1, DN_V2F32 v2);
DN_API DN_Rect DN_M2x3MulRect (DN_M2x3 m1, DN_Rect rect);
#define DN_RectFrom2V2(pos, size) DN_Literal(DN_Rect){(pos), (size)}
#define DN_RectFrom4N(x, y, w, h) DN_Literal(DN_Rect){DN_Literal(DN_V2F32){{x, y}}, DN_Literal(DN_V2F32){{w, h}}}
@@ -1993,7 +2064,8 @@ DN_API DN_Rect DN_RectExpandV2
DN_API bool DN_RectIntersects (DN_Rect a, DN_Rect b);
DN_API DN_Rect DN_RectIntersection (DN_Rect a, DN_Rect b);
DN_API DN_Rect DN_RectUnion (DN_Rect a, DN_Rect b);
DN_API DN_RectMinMax DN_RectGetMinMax (DN_Rect a);
DN_API DN_2V2F32 DN_RectRange (DN_Rect a);
DN_API bool DN_RectEq (DN_Rect lhs, DN_Rect rhs);
DN_API DN_F32 DN_RectArea (DN_Rect a);
DN_API DN_V2F32 DN_RectInterpV2F32 (DN_Rect rect, DN_V2F32 t01);
DN_API DN_V2F32 DN_RectTopLeft (DN_Rect rect);
@@ -2020,6 +2092,4 @@ DN_API DN_Rect DN_RectCutCut
#define DN_RectCutInit(rect, side) DN_Literal(DN_RectCut){rect, side}
DN_API DN_RaycastV2 DN_RaycastLineIntersectV2 (DN_V2F32 origin_a, DN_V2F32 dir_a, DN_V2F32 origin_b, DN_V2F32 dir_b);
DN_API DN_V2F32 DN_LerpV2F32 (DN_V2F32 a, DN_F32 t, DN_V2F32 b);
DN_API DN_F32 DN_LerpF32 (DN_F32 a, DN_F32 t, DN_F32 b);
#endif // !defined(DN_BASE_H)