Initial Prey Game integration support.

neo/prey/game/gamesys/DebugGraph.cpp

@@ -0,0 +1,67 @@
+// Copyright (C) 2004 Id Software, Inc.
+//
+#include "precompiled.h"
+#pragma hdrstop
+
+#include "../Game_local.h"
+
+/*
+================
+idDebugGraph::idDebugGraph
+================
+*/
+idDebugGraph::idDebugGraph() {
+	index = 0;
+}
+
+/*
+================
+idDebugGraph::SetNumSamples
+================
+*/
+void idDebugGraph::SetNumSamples( int num ) {
+	index = 0;
+	samples.Clear();
+	samples.SetNum( num );
+	memset( samples.Ptr(), 0, samples.MemoryUsed() );
+}
+
+/*
+================
+idDebugGraph::AddValue
+================
+*/
+void idDebugGraph::AddValue( float value ) {
+	samples[ index ] = value;
+	index++;
+	if ( index >= samples.Num() ) {
+		index = 0;
+	}
+}
+
+/*
+================
+idDebugGraph::Draw
+================
+*/
+void idDebugGraph::Draw( const idVec4 &color, float scale ) const {
+	int i;
+	float value1;
+	float value2;
+	idVec3 vec1;
+	idVec3 vec2;
+
+	const idMat3 &axis = gameLocal.GetLocalPlayer()->viewAxis;
+	const idVec3 pos = gameLocal.GetLocalPlayer()->GetPhysics()->GetOrigin() + axis[ 1 ] * samples.Num() * 0.5f;
+
+	value1 = samples[ index ] * scale;
+	for( i = 1; i < samples.Num(); i++ ) {
+		value2 = samples[ ( i + index ) % samples.Num() ] * scale;
+
+		vec1 = pos + axis[ 2 ] * value1 - axis[ 1 ] * ( i - 1 ) + axis[ 0 ] * samples.Num();
+		vec2 = pos + axis[ 2 ] * value2 - axis[ 1 ] * i + axis[ 0 ] * samples.Num();
+
+		gameRenderWorld->DebugLine( color, vec1, vec2, gameLocal.msec, false );
+		value1 = value2;
+	}
+}