bullet: Streamline bundling, remove extraneous src/ folder

Document version and how to extract sources in thirdparty/README.md.
Drop unnecessary CMake and Premake files.
Simplify SCsub, drop unused one.

1 files changed, 105 insertions, 0 deletions

diff --git a/thirdparty/bullet/BulletCollision/Gimpact/btGImpactBvhStructs.h b/thirdparty/bullet/BulletCollision/Gimpact/btGImpactBvhStructs.h
new file mode 100644
index 0000000000..9342a572d0
--- /dev/null
+++ b/thirdparty/bullet/BulletCollision/Gimpact/btGImpactBvhStructs.h
@@ -0,0 +1,105 @@
+#ifndef GIM_BOX_SET_STRUCT_H_INCLUDED
+#define GIM_BOX_SET_STRUCT_H_INCLUDED
+
+/*! \file gim_box_set.h
+\author Francisco Leon Najera
+*/
+/*
+This source file is part of GIMPACT Library.
+
+For the latest info, see http://gimpact.sourceforge.net/
+
+Copyright (c) 2007 Francisco Leon Najera. C.C. 80087371.
+email: projectileman@yahoo.com
+
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+
+#include "LinearMath/btAlignedObjectArray.h"
+
+#include "btBoxCollision.h"
+#include "btTriangleShapeEx.h"
+
+//! Overlapping pair
+struct GIM_PAIR
+{
+    int m_index1;
+    int m_index2;
+    GIM_PAIR()
+    {}
+
+    GIM_PAIR(const GIM_PAIR & p)
+    {
+    	m_index1 = p.m_index1;
+    	m_index2 = p.m_index2;
+	}
+
+	GIM_PAIR(int index1, int index2)
+    {
+    	m_index1 = index1;
+    	m_index2 = index2;
+	}
+};
+
+///GIM_BVH_DATA is an internal GIMPACT collision structure to contain axis aligned bounding box
+struct GIM_BVH_DATA
+{
+	btAABB m_bound;
+	int m_data;
+};
+
+//! Node Structure for trees
+class GIM_BVH_TREE_NODE
+{
+public:
+	btAABB m_bound;
+protected:
+	int	m_escapeIndexOrDataIndex;
+public:
+	GIM_BVH_TREE_NODE()
+	{
+		m_escapeIndexOrDataIndex = 0;
+	}
+
+	SIMD_FORCE_INLINE bool isLeafNode() const
+	{
+		//skipindex is negative (internal node), triangleindex >=0 (leafnode)
+		return (m_escapeIndexOrDataIndex>=0);
+	}
+
+	SIMD_FORCE_INLINE int getEscapeIndex() const
+	{
+		//btAssert(m_escapeIndexOrDataIndex < 0);
+		return -m_escapeIndexOrDataIndex;
+	}
+
+	SIMD_FORCE_INLINE void setEscapeIndex(int index)
+	{
+		m_escapeIndexOrDataIndex = -index;
+	}
+
+	SIMD_FORCE_INLINE int getDataIndex() const
+	{
+		//btAssert(m_escapeIndexOrDataIndex >= 0);
+
+		return m_escapeIndexOrDataIndex;
+	}
+
+	SIMD_FORCE_INLINE void setDataIndex(int index)
+	{
+		m_escapeIndexOrDataIndex = index;
+	}
+
+};
+
+#endif // GIM_BOXPRUNING_H_INCLUDED