From a7e673c2ec6a5ed25f3bae8caab90e2113158c03 Mon Sep 17 00:00:00 2001
From: Nikolay Korolev <nickvnuk@gmail.com>
Date: Sat, 24 Jul 2021 00:47:04 +0300
Subject: sync

---
 src/renderer/Lines.cpp | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 src/renderer/Lines.cpp

(limited to 'src/renderer/Lines.cpp')

diff --git a/src/renderer/Lines.cpp b/src/renderer/Lines.cpp
new file mode 100644
index 00000000..b5c85149
--- /dev/null
+++ b/src/renderer/Lines.cpp
@@ -0,0 +1,74 @@
+#include "common.h"
+
+#include "main.h"
+#include "Lines.h"
+
+// This is super inefficient, why split the line into segments at all?
+void
+CLines::RenderLineWithClipping(float x1, float y1, float z1, float x2, float y2, float z2, uint32 c1, uint32 c2)
+{
+	static RwIm3DVertex v[2];
+#ifdef THIS_IS_STUPID
+	int i;
+	float f1, f2;
+	float len = sqrt(sq(x1-x2) + sq(y1-y2) + sq(z1-z2));
+	int numsegs = len/1.5f + 1.0f;
+
+	RwRGBA col1;
+	col1.red = c1>>24;
+	col1.green = c1>>16;
+	col1.blue = c1>>8;
+	col1.alpha = c1;
+	RwRGBA col2;
+	col2.red = c2>>24;
+	col2.green = c2>>16;
+	col2.blue = c2>>8;
+	col2.alpha = c2;
+
+	float dx = x2 - x1;
+	float dy = y2 - y1;
+	float dz = z2 - z1;
+	for(i = 0; i < numsegs; i++){
+		f1 = (float)i/numsegs;
+		f2 = (float)(i+1)/numsegs;
+
+		RwIm3DVertexSetRGBA(&v[0], (int)(col1.red + (col2.red-col1.red)*f1),
+			(int)(col1.green + (col2.green-col1.green)*f1),
+			(int)(col1.blue + (col2.blue-col1.blue)*f1),
+			(int)(col1.alpha + (col2.alpha-col1.alpha)*f1));
+		RwIm3DVertexSetRGBA(&v[1], (int)(col1.red + (col2.red-col1.red)*f2),
+			(int)(col1.green + (col2.green-col1.green)*f2),
+			(int)(col1.blue + (col2.blue-col1.blue)*f2),
+			(int)(col1.alpha + (col2.alpha-col1.alpha)*f2));
+		RwIm3DVertexSetPos(&v[0], x1 + dx*f1, y1 + dy*f1, z1 + dz*f1);
+		RwIm3DVertexSetPos(&v[1], x1 + dx*f2, y1 + dy*f2, z1 + dz*f2);
+
+		LittleTest();
+		if(RwIm3DTransform(v, 2, nil, 0)){
+			RwIm3DRenderLine(0, 1);
+			RwIm3DEnd();
+		}
+	}
+#else
+	RwRGBA col1;
+	col1.red = c1>>24;
+	col1.green = c1>>16;
+	col1.blue = c1>>8;
+	col1.alpha = c1;
+	RwRGBA col2;
+	col2.red = c2>>24;
+	col2.green = c2>>16;
+	col2.blue = c2>>8;
+	col2.alpha = c2;
+
+	RwIm3DVertexSetRGBA(&v[0], col1.red, col1.green, col1.blue, col1.alpha);
+	RwIm3DVertexSetRGBA(&v[1], col2.red, col2.green, col2.blue, col2.alpha);
+	RwIm3DVertexSetPos(&v[0], x1, y1, z1);
+	RwIm3DVertexSetPos(&v[1], x2, y2, z2);
+	LittleTest();
+	if(RwIm3DTransform(v, 2, nil, 0)){
+		RwIm3DRenderLine(0, 1);
+		RwIm3DEnd();
+	}
+#endif
+}
-- 
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