164 lines
4.6 KiB
C++
164 lines
4.6 KiB
C++
/*
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Copyright (C) 1999-2006 Id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined( INCLUDED_BRUSH_PRIMIT_H )
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#define INCLUDED_BRUSH_PRIMIT_H
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#include "math/vector.h"
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#include "itexdef.h"
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#include "debugging/debugging.h"
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// Timo
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// new brush primitive texdef
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struct brushprimit_texdef_t {
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brushprimit_texdef_t()
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{
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coords[0][0] = 2.0f;
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coords[0][1] = 0.f;
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coords[0][2] = 0.f;
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coords[1][0] = 0.f;
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coords[1][1] = 2.0f;
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coords[1][2] = 0.f;
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}
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void removeScale(std::size_t width, std::size_t height)
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{
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#if 1
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coords[0][0] *= width;
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coords[0][1] *= width;
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coords[0][2] *= width;
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coords[1][0] *= height;
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coords[1][1] *= height;
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coords[1][2] *= height;
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#endif
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}
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void addScale(std::size_t width, std::size_t height)
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{
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#if 1
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ASSERT_MESSAGE(width > 0, "shader-width is 0");
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ASSERT_MESSAGE(height > 0, "shader-height is 0");
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coords[0][0] /= width;
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coords[0][1] /= width;
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coords[0][2] /= width;
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coords[1][0] /= height;
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coords[1][1] /= height;
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coords[1][2] /= height;
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#endif
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}
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float coords[2][3];
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};
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class TextureProjection {
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public:
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texdef_t m_texdef;
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brushprimit_texdef_t m_brushprimit_texdef;
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Vector3 m_basis_s;
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Vector3 m_basis_t;
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TextureProjection()
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{
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}
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TextureProjection(
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const texdef_t &texdef,
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const brushprimit_texdef_t &brushprimit_texdef,
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const Vector3 &basis_s,
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const Vector3 &basis_t
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) :
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m_texdef(texdef),
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m_brushprimit_texdef(brushprimit_texdef),
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m_basis_s(basis_s),
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m_basis_t(basis_t)
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{
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}
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};
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float Texdef_getDefaultTextureScale();
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class texdef_t;
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struct Winding;
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template<typename Element>
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class BasicVector3;
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typedef BasicVector3<float> Vector3;
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template<typename Element>
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class BasicVector4;
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typedef BasicVector4<float> Vector4;
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typedef Vector4 Quaternion;
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class Matrix4;
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class Plane3;
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void Normal_GetTransform(const Vector3 &normal, Matrix4 &transform);
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void TexDef_Construct_Default(TextureProjection &projection);
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void Texdef_Assign(TextureProjection &projection, const TextureProjection &other);
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void Texdef_Shift(TextureProjection &projection, float s, float t);
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void Texdef_Scale(TextureProjection &projection, float s, float t);
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void Texdef_Rotate(TextureProjection &projection, float angle);
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void Texdef_FitTexture(TextureProjection &projection, std::size_t width, std::size_t height, const Vector3 &normal,
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const Winding &w, float s_repeat, float t_repeat);
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void
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Texdef_EmitTextureCoordinates(const TextureProjection &projection, std::size_t width, std::size_t height, Winding &w,
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const Vector3 &normal, const Matrix4 &localToWorld);
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void ShiftScaleRotate_fromFace(texdef_t &shiftScaleRotate, const TextureProjection &projection);
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void ShiftScaleRotate_toFace(const texdef_t &shiftScaleRotate, TextureProjection &projection);
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void Texdef_transformLocked(TextureProjection &projection, std::size_t width, std::size_t height, const Plane3 &plane,
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const Matrix4 &transform);
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void Texdef_normalise(TextureProjection &projection, float width, float height);
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enum TexdefTypeId {
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TEXDEFTYPEID_QUAKE,
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TEXDEFTYPEID_BRUSHPRIMITIVES,
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TEXDEFTYPEID_HALFLIFE,
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};
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struct bp_globals_t {
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// tells if we are internally using brush primitive (texture coordinates and map format)
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// this is a shortcut for IntForKey( g_qeglobals.d_project_entity, "brush_primit" )
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// NOTE: must keep the two ones in sync
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TexdefTypeId m_texdefTypeId;
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};
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extern bp_globals_t g_bp_globals;
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extern float g_texdef_default_scale;
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void ComputeAxisBase(const Vector3 &normal, Vector3 &texS, Vector3 &texT);
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#endif
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