Added GIMPACT integration for moving concave meshes (interaction with all other Bullet collision shapes)

Thanks a lot to Francisco León Nájera for the contribution!

Extras/GIMPACT/include/GIMPACT/gim_vertex_buffer_util.h

@@ -0,0 +1,106 @@
+#ifndef GIM_VERTEX_BUFFER_UTIL_H_INCLUDED
+#define GIM_VERTEX_BUFFER_UTIL_H_INCLUDED
+/*! \file gim_trimesh_data.h
+\author Francisco León Nájera
+*/
+/*
+-----------------------------------------------------------------------------
+This source file is part of GIMPACT Library.
+
+For the latest info, see http://gimpact.sourceforge.net/
+
+Copyright (c) 2006 Francisco Leon Najera. C.C. 80087371.
+email: projectileman@yahoo.com
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of EITHER:
+   (1) The GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 2.1 of the License, or (at
+       your option) any later version. The text of the GNU Lesser
+       General Public License is included with this library in the
+       file GIMPACT-LICENSE-LGPL.TXT.
+   (2) The BSD-style license that is included with this library in
+       the file GIMPACT-LICENSE-BSD.TXT.
+   (3) The zlib/libpng license that is included with this library in
+       the file GIMPACT-LICENSE-ZLIB.TXT.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files
+ GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details.
+
+-----------------------------------------------------------------------------
+*/
+
+#include "GIMPACT/gim_geometry.h"
+#include "GIMPACT/gim_memory.h"
+
+/*! \addtogroup VERTEX_BUFFER_UTIL
+\brief
+Functions for processing vertex buffers
+
+*/
+//! @{
+
+//Macro for processing vertex buffers
+#define GIM_PROCESS_VERTEX_BUFFER_ARRAY(_uniform_data,_src_array,_dst_array,_kernel,_src_scalar_type,_dst_scalar_type)\
+{\
+    if(_src_scalar_type == G_STYPE_REAL)\
+    {\
+        if(_dst_scalar_type == G_STYPE_REAL)\
+        {\
+            GIM_PROCESS_BUFFER_ARRAY(_uniform_data,_src_array,_dst_array,_kernel,vec3f,vec3f);\
+        }\
+        else if(_dst_scalar_type == G_STYPE_REAL2)\
+        {\
+            GIM_PROCESS_BUFFER_ARRAY(_uniform_data,_src_array,_dst_array,_kernel,vec3f,vec3d);\
+        }\
+    }\
+    else if(_src_scalar_type == G_STYPE_REAL2)\
+    {\
+        if(_dst_scalar_type == G_STYPE_REAL)\
+        {\
+            GIM_PROCESS_BUFFER_ARRAY(_uniform_data,_src_array,_dst_array,_kernel,vec3d,vec3f);\
+        }\
+        else if(_dst_scalar_type == G_STYPE_REAL2)\
+        {\
+            GIM_PROCESS_BUFFER_ARRAY(_uniform_data,_src_array,_dst_array,_kernel,vec3d,vec3f);\
+        }\
+    }\
+}\
+
+
+//******Common kernels*******//
+#define MULT_MAT_VEC4_KERNEL(_mat,_src,_dst) MAT_DOT_VEC_3X4((_dst),(_mat),(_src))
+
+#define COPY_VEC3_KERNEL(_uni,_src,_dst) VEC_COPY((_dst),(_src))
+//******+++++++++++*******//
+
+//! Creates a packed vertex buffer with vec3f
+void gim_create_common_vertex_buffer(GBUFFER_ARRAY * vertex_buffer,GUINT vertex_count);
+
+//! Copies vertex buffer arrays
+/*!
+They must have the same size
+*/
+void gim_copy_vertex_buffers(GBUFFER_ARRAY * source_vertex_buffer,GUINT source_scalar_type,GBUFFER_ARRAY * dest_vertex_buffer,GUINT dest_scalar_type);
+
+
+//! Applies a linear transformation to vertices
+/*!
+They must have the same size
+*/
+void gim_transform_vertex_buffers(GBUFFER_ARRAY * source_vertex_buffer,GUINT source_scalar_type,GBUFFER_ARRAY * dest_vertex_buffer,GUINT dest_scalar_type, mat4f transform);
+
+
+//! General processing for vertex arrays
+/*!
+It's an alternative to GIM_PROCESS_VERTEX_BUFFER_ARRAY
+*/
+void gim_process_vertex_buffers(GBUFFER_ARRAY * source_vertex_buffer,GUINT source_scalar_type,GBUFFER_ARRAY * dest_vertex_buffer,GUINT dest_scalar_type, void *uniform_data,gim_kernel_func kernel_func);
+
+//! @}
+
+
+
+#endif // GIM_VERTEX_BUFFER_UTIL_H_INCLUDED