split out some basic helper functions into Helpers.h .

MissionEditor/Helpers.h

@@ -0,0 +1,88 @@
+#pragma once
+#include <afx.h>
+#include <algorithm>
+
+// coordinate functions
+inline void PosToXY(const char* pos, int* X, int* Y)
+{
+	size_t Posleng;
+	//int XX, YY;
+	char Pos[100];
+	strcpy_s(Pos, pos);
+	char XS[10], YS[10];
+	Posleng = strlen(Pos);
+	strcpy_s(YS, Pos + Posleng - 3);
+	Pos[Posleng - 3] = 0;
+	strcpy_s(XS, Pos);
+
+	*X = atoi(XS);
+	*Y = atoi(YS);
+
+}
+
+// check whether is string is all made of digit numbers
+inline bool IsNumeric(const CString& str) {
+	return std::all_of(str.operator LPCSTR(), str.operator LPCSTR() + str.GetLength(), [](char c) {
+		return std::isdigit(c);
+	});
+}
+
+// HSV -> RGB
+inline bool HSVToRGB(const float h, const float s, const float v, float& r, float& g, float& b)
+{
+	if (h < 0.0 || h >= 360.0 || s < 0.0 || s > 1.0 || v < 0.0 || v > 1.0)
+		return false;
+	auto const const  h_ = static_cast<int>(floor(h / 60.0));
+	const float c = s * v;
+	const float x = c * (1 - fabs(fmod(h / 60.0, 2.0) - 1));
+	const float m = v - c;
+	switch (h_) {
+	case 0:
+		r = c, g = x, b = 0.0;
+		break;
+	case 1:
+		r = x, g = c, b = 0.0;
+		break;
+	case 2:
+		r = 0.0, g = c, b = x;
+		break;
+	case 3:
+		r = 0.0, g = x, b = c;
+		break;
+	case 4:
+		r = x, g = 0.0, b = c;
+		break;
+	case 5:
+		r = c, g = 0.0, b = x;
+		break;
+	}
+	r += m;
+	g += m;
+	b += m;
+	return true;
+}
+
+inline void HSVToRGB(const unsigned char hsv[3], unsigned char rgb[3])
+{
+	float frgb[3];
+	HSVToRGB(hsv[0] * 360.0 / 255.0, hsv[1] / 255.0, hsv[2] / 255.0, frgb[0], frgb[1], frgb[2]);
+	for (int i = 0; i < 3; ++i)
+		rgb[i] = (frgb[i] < 0.0 ? 0.0 : (frgb[i] > 1.0 ? 1.0 : frgb[i])) * 255.0;
+}
+
+inline std::array<unsigned char, 3> HSVToRGB(const float h, const float s, const float v)
+{
+	std::array<float, 3> frgb;
+	HSVToRGB(h, s, v, frgb[0], frgb[1], frgb[2]);
+	std::array<unsigned char, 3> ret;
+	for (int i = 0; i < 3; ++i)
+		ret[i] = (frgb[i] < 0.0 ? 0.0 : (frgb[i] > 1.0 ? 1.0 : frgb[i])) * 255.0;
+	return ret;
+}
+
+inline std::array<unsigned char, 3> HSVToRGB(const unsigned char hsv[3])
+{
+	std::array<unsigned char, 3> ret;
+	HSVToRGB(hsv, ret.data());
+	return ret;
+}