#if !defined( INCLUDED_VIEW_H )
#define INCLUDED_VIEW_H
+#include "globaldefs.h"
#include "cullable.h"
#include "math/frustum.h"
-#if defined( _DEBUG )
+#if GDEF_DEBUG
#define DEBUG_CULLING
#endif
#endif
-inline void debug_count_dot(){
+inline void debug_count_dot()
+{
#if defined( DEBUG_CULLING )
- ++g_count_dots;
+ ++g_count_dots;
#endif
}
-inline void debug_count_plane(){
+inline void debug_count_plane()
+{
#if defined( DEBUG_CULLING )
- ++g_count_planes;
+ ++g_count_planes;
#endif
}
-inline void debug_count_oriented_plane(){
+inline void debug_count_oriented_plane()
+{
#if defined( DEBUG_CULLING )
- ++g_count_oriented_planes;
+ ++g_count_oriented_planes;
#endif
}
-inline void debug_count_bbox(){
+inline void debug_count_bbox()
+{
#if defined( DEBUG_CULLING )
- ++g_count_bboxs;
+ ++g_count_bboxs;
#endif
}
-inline void debug_count_oriented_bbox(){
+inline void debug_count_oriented_bbox()
+{
#if defined( DEBUG_CULLING )
- ++g_count_oriented_bboxs;
+ ++g_count_oriented_bboxs;
#endif
}
-
-
/// \brief View-volume culling and transformations.
-class View : public VolumeTest
-{
+class View : public VolumeTest {
/// modelview matrix
-Matrix4 m_modelview;
+ Matrix4 m_modelview;
/// projection matrix
-Matrix4 m_projection;
+ Matrix4 m_projection;
/// device-to-screen transform
-Matrix4 m_viewport;
+ Matrix4 m_viewport;
-Matrix4 m_scissor;
+ Matrix4 m_scissor;
/// combined modelview and projection matrix
-Matrix4 m_viewproj;
+ Matrix4 m_viewproj;
/// camera position in world space
-Vector4 m_viewer;
+ Vector4 m_viewer;
/// view frustum in world space
-Frustum m_frustum;
-
-bool m_fill;
-
-void construct(){
- m_viewproj = matrix4_multiplied_by_matrix4( matrix4_multiplied_by_matrix4( m_scissor, m_projection ), m_modelview );
-
- m_frustum = frustum_from_viewproj( m_viewproj );
- m_viewer = viewer_from_viewproj( m_viewproj );
-}
-public:
-View( bool fill = false ) :
- m_modelview( g_matrix4_identity ),
- m_projection( g_matrix4_identity ),
- m_scissor( g_matrix4_identity ),
- m_fill( fill ){
-}
-void Construct( const Matrix4& projection, const Matrix4& modelview, std::size_t width, std::size_t height ){
- // modelview
- m_modelview = modelview;
-
- // projection
- m_projection = projection;
-
- // viewport
- m_viewport = g_matrix4_identity;
- m_viewport[0] = float(width / 2);
- m_viewport[5] = float(height / 2);
- if ( fabs( m_projection[11] ) > 0.0000001 ) {
- m_viewport[10] = m_projection[0] * m_viewport[0];
- }
- else{
- m_viewport[10] = 1 / m_projection[10];
- }
-
- construct();
-}
-void EnableScissor( float min_x, float max_x, float min_y, float max_y ){
- m_scissor = g_matrix4_identity;
- m_scissor[0] = static_cast<float>( ( max_x - min_x ) * 0.5 );
- m_scissor[5] = static_cast<float>( ( max_y - min_y ) * 0.5 );
- m_scissor[12] = static_cast<float>( ( min_x + max_x ) * 0.5 );
- m_scissor[13] = static_cast<float>( ( min_y + max_y ) * 0.5 );
- matrix4_full_invert( m_scissor );
-
- construct();
-}
-void DisableScissor(){
- m_scissor = g_matrix4_identity;
+ Frustum m_frustum;
- construct();
-}
+ bool m_fill;
-bool TestPoint( const Vector3& point ) const {
- return viewproj_test_point( m_viewproj, point );
-}
-bool TestLine( const Segment& segment ) const {
- return frustum_test_line( m_frustum, segment );
-}
-bool TestPlane( const Plane3& plane ) const {
- debug_count_plane();
- return viewer_test_plane( m_viewer, plane );
-}
-bool TestPlane( const Plane3& plane, const Matrix4& localToWorld ) const {
- debug_count_oriented_plane();
- return viewer_test_transformed_plane( m_viewer, plane, localToWorld );
-}
-VolumeIntersectionValue TestAABB( const AABB& aabb ) const {
- debug_count_bbox();
- return frustum_test_aabb( m_frustum, aabb );
-}
-VolumeIntersectionValue TestAABB( const AABB& aabb, const Matrix4& localToWorld ) const {
- debug_count_oriented_bbox();
- return frustum_intersects_transformed_aabb( m_frustum, aabb, localToWorld );
-}
+ void construct()
+ {
+ m_viewproj = matrix4_multiplied_by_matrix4(matrix4_multiplied_by_matrix4(m_scissor, m_projection), m_modelview);
-const Matrix4& GetViewMatrix() const {
- return m_viewproj;
-}
-const Matrix4& GetViewport() const {
- return m_viewport;
-};
-const Matrix4& GetModelview() const {
- return m_modelview;
-}
-const Matrix4& GetProjection() const {
- return m_projection;
-}
+ m_frustum = frustum_from_viewproj(m_viewproj);
+ m_viewer = viewer_from_viewproj(m_viewproj);
+ }
-bool fill() const {
- return m_fill;
-}
-const Vector3& getViewer() const {
- return vector4_to_vector3( m_viewer );
-}
+public:
+ View(bool fill = false) :
+ m_modelview(g_matrix4_identity),
+ m_projection(g_matrix4_identity),
+ m_scissor(g_matrix4_identity),
+ m_fill(fill)
+ {
+ }
+
+ void Construct(const Matrix4 &projection, const Matrix4 &modelview, std::size_t width, std::size_t height)
+ {
+ // modelview
+ m_modelview = modelview;
+
+ // projection
+ m_projection = projection;
+
+ // viewport
+ m_viewport = g_matrix4_identity;
+ m_viewport[0] = float(width / 2);
+ m_viewport[5] = float(height / 2);
+ if (fabs(m_projection[11]) > 0.0000001) {
+ m_viewport[10] = m_projection[0] * m_viewport[0];
+ } else {
+ m_viewport[10] = 1 / m_projection[10];
+ }
+
+ construct();
+ }
+
+ void EnableScissor(float min_x, float max_x, float min_y, float max_y)
+ {
+ m_scissor = g_matrix4_identity;
+ m_scissor[0] = static_cast<float>((max_x - min_x) * 0.5 );
+ m_scissor[5] = static_cast<float>((max_y - min_y) * 0.5 );
+ m_scissor[12] = static_cast<float>((min_x + max_x) * 0.5 );
+ m_scissor[13] = static_cast<float>((min_y + max_y) * 0.5 );
+ matrix4_full_invert(m_scissor);
+
+ construct();
+ }
+
+ void DisableScissor()
+ {
+ m_scissor = g_matrix4_identity;
+
+ construct();
+ }
+
+ bool TestPoint(const Vector3 &point) const
+ {
+ return viewproj_test_point(m_viewproj, point);
+ }
+
+ bool TestLine(const Segment &segment) const
+ {
+ return frustum_test_line(m_frustum, segment);
+ }
+
+ bool TestPlane(const Plane3 &plane) const
+ {
+ debug_count_plane();
+ return viewer_test_plane(m_viewer, plane);
+ }
+
+ bool TestPlane(const Plane3 &plane, const Matrix4 &localToWorld) const
+ {
+ debug_count_oriented_plane();
+ return viewer_test_transformed_plane(m_viewer, plane, localToWorld);
+ }
+
+ VolumeIntersectionValue TestAABB(const AABB &aabb) const
+ {
+ debug_count_bbox();
+ return frustum_test_aabb(m_frustum, aabb);
+ }
+
+ VolumeIntersectionValue TestAABB(const AABB &aabb, const Matrix4 &localToWorld) const
+ {
+ debug_count_oriented_bbox();
+ return frustum_intersects_transformed_aabb(m_frustum, aabb, localToWorld);
+ }
+
+ const Matrix4 &GetViewMatrix() const
+ {
+ return m_viewproj;
+ }
+
+ const Matrix4 &GetViewport() const
+ {
+ return m_viewport;
+ };
+
+ const Matrix4 &GetModelview() const
+ {
+ return m_modelview;
+ }
+
+ const Matrix4 &GetProjection() const
+ {
+ return m_projection;
+ }
+
+ bool fill() const
+ {
+ return m_fill;
+ }
+
+ const Vector3 &getViewer() const
+ {
+ return vector4_to_vector3(m_viewer);
+ }
};
#endif
projects / xonotic / netradiant.git / blobdiff