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yyc12345
2024-12-24 16:49:34 +08:00
parent 3eeb1f6cb6
commit 5219351df1
14 changed files with 945 additions and 109 deletions
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173
LibCmo/VxMath/VxTypes.hpp
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@ -23,7 +23,7 @@ namespace LibCmo::VxMath {
class VxMemoryMappedFile;
// Misc
// ========== Vector-like Definition ==========
/**
* @brief The representation of a Vector in 2 dimensions.
@ -403,6 +403,7 @@ namespace LibCmo::VxMath {
return a <=> rhs.a;
}
// ===== BEGIN USER CUSTOM =====
VxColor(CKFLOAT _r, CKFLOAT _g, CKFLOAT _b) : r(_r), g(_g), b(_b), a(1.0f) {}
void FromARGB(CKDWORD argb) {
a = ((argb & 0xFF000000) >> 24) / 255.0f;
@ -431,6 +432,7 @@ namespace LibCmo::VxMath {
if (a > 1.0f) a = 1.0f;
else if (a < 0.0f) a = 0.0f;
}
// ===== END USER CUSTOM =====
};
/**
@ -446,10 +448,6 @@ namespace LibCmo::VxMath {
VxMatrix() : m_Data() { ResetToIdentity(); }
VxMatrix(CKFLOAT m[4][4]) : m_Data() { std::memcpy(m_Data, m, sizeof(m_Data)); }
YYCC_DEF_CLS_COPY_MOVE(VxMatrix);
void ResetToIdentity() {
std::memset(m_Data, 0, sizeof(m_Data));
m_Data[0][0] = m_Data[1][1] = m_Data[2][2] = m_Data[3][3] = 1.0f;
}
VxVector4& operator[](size_t i) {
if (i >= 4) throw LogicException("Invalid index for VxMatrix::operator[].");
return *(reinterpret_cast<VxVector4*>(m_Data) + i);
@ -461,8 +459,20 @@ namespace LibCmo::VxMath {
bool operator==(const VxMatrix& rhs) const {
return std::memcmp(m_Data, rhs.m_Data, sizeof(m_Data)) == 0;
}
// ===== BEGIN USER CUSTOM =====
void ResetToIdentity() {
Clear();
m_Data[0][0] = m_Data[1][1] = m_Data[2][2] = m_Data[3][3] = 1.0f;
}
void Clear() {
std::memset(m_Data, 0, sizeof(m_Data));
}
// ===== END USER CUSTOM =====
};
// ========== Misc ==========
/**
* @brief Structure for storage of strided data.
* @tparam _Ty The data pointer type this class stored.
@ -698,4 +708,157 @@ namespace LibCmo::VxMath {
CKBYTE* m_Image; /**< A pointer points to current image in memory */
};
// ========== Patch Section ==========
/**
* @brief The patch namespace for VxVector-like classes
* @details This namespace provides VxVector-like classes member functions which presented in original Virtools SDK.
* These functions are put in public namespace in original Virtools SDK.
* We just organise them into an unique namespace.
*/
namespace NSVxVector {
/**
* @brief Dot product 2 2d vectors.
* @param[in] lhs The left side vector of dot product symbol.
* @param[in] rhs The right side vector of dot product symbol.
* @return The float pointing result of dot product.
*/
CKFLOAT DotProduct(const VxVector2& lhs, const VxVector2& rhs);
/**
* @brief Dot product 2 3d vectors.
* @param[in] lhs The left side vector of dot product symbol.
* @param[in] rhs The right side vector of dot product symbol.
* @return The float pointing result of dot product.
*/
CKFLOAT DotProduct(const VxVector3& lhs, const VxVector3& rhs);
/**
* @brief Dot product 2 4d vectors.
* @param[in] lhs The left side vector of dot product symbol.
* @param[in] rhs The right side vector of dot product symbol.
* @return The float pointing result of dot product.
*/
CKFLOAT DotProduct(const VxVector4& lhs, const VxVector4& rhs);
/**
* @brief Cross product 2 3d vectors.
* @param[in] lhs The left side vector of cross product symbol.
* @param[in] rhs The right side vector of cross product symbol.
* @return The 3d vector result of cross product.
*/
VxVector3 CrossProduct(const VxVector3& lhs, const VxVector3& rhs);
/**
* @brief Set all factor in vector to its absolute value.
* @param[in,out] lhs The vector for processing.
* @remarks This function is rarely used.
* Please note this function is not calculate the absolute value of vector.
*/
void Abs(VxVector3& lhs);
}
/**
* @brief The patch namespace for VxMatrix classes
* @details Like NXVxVector, these functions located in this namespace
* are exposed in public namespace in original Virtools SDK.
* And I re-organise them in there.
*/
namespace NSVxMatrix {
/**
* @brief Constructs a perspective projection matrix.
* @param[in] Fov Field of View.
* @param[in] Aspect Aspect ratio (Width/height)
* @param[in] Near_plane Distance of the near clipping plane.
* @param[in] Far_plane Distance of the far clipping plane.
* @remarks Sets Mat to
*
* A = Cos(Fov/2)/Sin(Fov/2)
* F = Far_plane
* N = Near_plane
*
* [ A 0 0 0]
* [ 0 A*Aspect 0 0]
* MAT= [ 0 0 F/F-N 1]
* [ 0 0 -F.N/F-N 0]
*
* @see PerspectiveRect, Orthographic, OrthographicRect
*/
void Perspective(VxMatrix& mat, float Fov, float Aspect, float Near_plane, float Far_plane);
/**
* @brief Constructs a perspective projection matrix given a view rectangle.
* @param[in] Left Left clipping plane value.
* @param[in] Right Right clipping plane value.
* @param[in] Top top clipping plane value.
* @param[in] Bottom bottom clipping plane value.
* @param[in] Near_plane Distance of the near clipping plane.
* @param[in] Far_plane Distance of the far clipping plane.
* @remarks Sets Mat to
*
* F = Far_plane
* N = Near_plane
* R = Right
* L = Left
* T = Top
* B = Bottom
*
* [ 2/(R-L) 0 0 0]
* [ 0 -2/(T-B) 0 0]
* MAT = [ 0 0 1/F-N 0]
* [ -(L+R)/(R-L) (T+B)/(T-B) -N/F-N 1]
*
* @see Perspective, Orthographic, OrthographicRect
*/
void PerspectiveRect(VxMatrix& mat, float Left, float Right, float Top, float Bottom, float Near_plane, float Far_plane);
/**
* @brief Constructs a orthographic projection matrix.
* @param[in] Zoom Zoom factor.
* @param[in] Aspect Aspect ratio (Width/height)
* @param[in] Near_plane Distance of the near clipping plane.
* @param[in] Far_plane Distance of the far clipping plane.
* @remarks Sets Mat to
*
* F = Far_plane
* N = Near_plane
*
* [ Zoom 0 0 0]
* [ 0 Zoom*Aspect 0 0]
* MAT = [ 0 0 1/F-N 0]
* [ 0 0 -N/F-N 1]
*
* @see Perspective, OrthographicRect
*/
void Orthographic(VxMatrix& mat, float Zoom, float Aspect, float Near_plane, float Far_plane);
/**
* @brief Constructs a orthographic projection matrix.
* @param[in] Left Left clipping plane value.
* @param[in] Right Right clipping plane value.
* @param[in] Top top clipping plane value.
* @param[in] Bottom bottom clipping plane value.
* @param[in] Near_plane Distance of the near clipping plane.
* @param[in] Far_plane Distance of the far clipping plane.
* @remarks Sets Mat to
*
* F = Far_plane
* N = Near_plane
* R = Right
* L = Left
* T = Top
* B = Bottom
*
* [ 2/(R-L) 0 0 0]
* [ 0 -2/(T-B) 0 0]
* MAT = [ 0 0 1/F-N 0]
* [ -(L+R)/(R-L) (T+B)/(T-B) -N/F-N 1]
*
* @see Perspective, Orthographic
*/
void OrthographicRect(VxMatrix& mat, float Left, float Right, float Top, float Bottom, float Near_plane, float Far_plane);
}
}