X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;ds=sidebyside;f=radiant%2Fview.h;h=7b9ba486a26a35763ee304741330f15e17cf2dbe;hb=2814f078b7c7fe079b5e1dd92cc3020c6364edf1;hp=b6dc414a15126fb92cc0f7a38cc77ac8ea06e2ee;hpb=0d98822b3c7232c4859c9605653685a7dab86ba8;p=xonotic%2Fnetradiant.git diff --git a/radiant/view.h b/radiant/view.h index b6dc414a..7b9ba486 100644 --- a/radiant/view.h +++ b/radiant/view.h @@ -1,37 +1,38 @@ /* -Copyright (C) 2001-2006, William Joseph. -All Rights Reserved. + Copyright (C) 2001-2006, William Joseph. + All Rights Reserved. -This file is part of GtkRadiant. + This file is part of GtkRadiant. -GtkRadiant is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + GtkRadiant is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -GtkRadiant 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 -GNU General Public License for more details. + GtkRadiant 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 + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with GtkRadiant; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -*/ + You should have received a copy of the GNU General Public License + along with GtkRadiant; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ -#if !defined(INCLUDED_VIEW_H) +#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 -#if defined(DEBUG_CULLING) +#if defined( DEBUG_CULLING ) extern int g_count_dots; extern int g_count_planes; @@ -43,169 +44,180 @@ extern int g_count_oriented_bboxs; inline void debug_count_dot() { -#if defined(DEBUG_CULLING) - ++g_count_dots; +#if defined( DEBUG_CULLING ) + ++g_count_dots; #endif } inline void debug_count_plane() { -#if defined(DEBUG_CULLING) - ++g_count_planes; +#if defined( DEBUG_CULLING ) + ++g_count_planes; #endif } inline void debug_count_oriented_plane() { -#if defined(DEBUG_CULLING) - ++g_count_oriented_planes; +#if defined( DEBUG_CULLING ) + ++g_count_oriented_planes; #endif } inline void debug_count_bbox() { -#if defined(DEBUG_CULLING) - ++g_count_bboxs; +#if defined( DEBUG_CULLING ) + ++g_count_bboxs; #endif } inline void debug_count_oriented_bbox() { -#if defined(DEBUG_CULLING) - ++g_count_oriented_bboxs; +#if defined( DEBUG_CULLING ) + ++g_count_oriented_bboxs; #endif } +/// \brief View-volume culling and transformations. +class View : public VolumeTest { +/// modelview matrix + Matrix4 m_modelview; +/// projection matrix + Matrix4 m_projection; +/// device-to-screen transform + Matrix4 m_viewport; + Matrix4 m_scissor; + +/// combined modelview and projection matrix + Matrix4 m_viewproj; +/// camera position in world space + 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); + } -/// \brief View-volume culling and transformations. -class View : public VolumeTest -{ - /// modelview matrix - Matrix4 m_modelview; - /// projection matrix - Matrix4 m_projection; - /// device-to-screen transform - Matrix4 m_viewport; - - Matrix4 m_scissor; - - /// combined modelview and projection matrix - Matrix4 m_viewproj; - /// camera position in world space - 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((max_x - min_x) * 0.5); - m_scissor[5] = static_cast((max_y - min_y) * 0.5); - m_scissor[12] = static_cast((min_x + max_x) * 0.5); - m_scissor[13] = static_cast((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); - } + 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((max_x - min_x) * 0.5 ); + m_scissor[5] = static_cast((max_y - min_y) * 0.5 ); + m_scissor[12] = static_cast((min_x + max_x) * 0.5 ); + m_scissor[13] = static_cast((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