From 3bd383baf6a17e734329e1fc677c7e86283db772 Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Mon, 26 Oct 2015 22:52:36 +0800
Subject: Added support for relative line numbers. Added instructions for, brk
 and cont. (They are still untested...) Parser code cleanup. Removed garbage
 output to stderr. Reorganize the repository structure. Updated BLR2 code move
 it into archive. Added BLR1 files.

---
 archive/hgehelp/hgecolor.cpp | 89 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 archive/hgehelp/hgecolor.cpp

(limited to 'archive/hgehelp/hgecolor.cpp')

diff --git a/archive/hgehelp/hgecolor.cpp b/archive/hgehelp/hgecolor.cpp
new file mode 100644
index 0000000..561a9cc
--- /dev/null
+++ b/archive/hgehelp/hgecolor.cpp
@@ -0,0 +1,89 @@
+/*
+** Haaf's Game Engine 1.7
+** Copyright (C) 2003-2007, Relish Games
+** hge.relishgames.com
+**
+** hgeColor*** helper classes implementation
+*/
+
+
+#include "hgecolor.h"
+#include <math.h>
+
+#ifndef min
+#define min(x,y) ((x) < (y) ? (x) : (y))
+#endif
+
+#ifndef max
+#define max(x,y) ((x) > (y) ? (x) : (y))
+#endif
+
+void hgeColorHSV::SetHWColor(DWORD col)
+{
+	float r, g, b;
+	float minv, maxv, delta;
+	float del_R, del_G, del_B;
+
+	a = (col>>24) / 255.0f;
+	r = ((col>>16) & 0xFF) / 255.0f;
+	g = ((col>>8)  & 0xFF) / 255.0f;
+	b = (col       & 0xFF) / 255.0f;
+
+	minv = min(min(r, g), b);
+	maxv = max(max(r, g), b);
+	delta = maxv - minv;
+
+	v = maxv;
+
+	if (delta == 0)
+	{
+		h = 0;
+		s = 0;
+	}
+	else
+	{
+		s = delta / maxv;
+		del_R = (((maxv - r) / 6) + (delta / 2)) / delta;
+		del_G = (((maxv - g) / 6) + (delta / 2)) / delta;
+		del_B = (((maxv - b) / 6) + (delta / 2)) / delta;
+
+		if      (r == maxv) {h = del_B - del_G;}
+		else if (g == maxv) {h = (1.0f / 3.0f) + del_R - del_B;}
+		else if (b == maxv) {h = (2.0f / 3.0f) + del_G - del_R;}
+
+		if (h < 0) h += 1;
+		if (h > 1) h -= 1;
+	}
+}
+
+DWORD hgeColorHSV::GetHWColor() const
+{
+	float r, g, b;
+	float xh, i, p1, p2, p3;
+
+	if (s == 0)
+	{
+		r = v;
+		g = v;
+		b = v;
+	}
+	else
+	{
+		xh = h * 6;
+		if(xh == 6) xh=0;
+		i = floorf(xh);
+		p1 = v * (1 - s);
+		p2 = v * (1 - s * (xh - i));
+		p3 = v * (1 - s * (1 - (xh - i)));
+
+		if      (i == 0) {r = v;  g = p3; b = p1;}
+		else if (i == 1) {r = p2; g = v;  b = p1;}
+		else if (i == 2) {r = p1; g = v;  b = p3;}
+		else if (i == 3) {r = p1; g = p2; b = v; }
+		else if (i == 4) {r = p3; g = p1; b = v; }
+		else			 {r = v;  g = p1; b = p2;}
+	}
+
+	return (DWORD(a*255.0f)<<24) + (DWORD(r*255.0f)<<16) + (DWORD(g*255.0f)<<8) + DWORD(b*255.0f);
+}
+
-- 
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