2 Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3 For a list of contributors, see the accompanying CONTRIBUTORS file.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined( INCLUDED_BRUSH_PRIMIT_H )
23 #define INCLUDED_BRUSH_PRIMIT_H
25 #include "math/vector.h"
27 #include "debugging/debugging.h"
30 // new brush primitive texdef
31 struct brushprimit_texdef_t {
32 brushprimit_texdef_t()
42 void removeScale(std::size_t width, std::size_t height)
45 coords[0][0] *= width;
46 coords[0][1] *= width;
47 coords[0][2] *= width;
48 coords[1][0] *= height;
49 coords[1][1] *= height;
50 coords[1][2] *= height;
54 void addScale(std::size_t width, std::size_t height)
57 ASSERT_MESSAGE(width > 0, "shader-width is 0");
58 ASSERT_MESSAGE(height > 0, "shader-height is 0");
59 coords[0][0] /= width;
60 coords[0][1] /= width;
61 coords[0][2] /= width;
62 coords[1][0] /= height;
63 coords[1][1] /= height;
64 coords[1][2] /= height;
71 class TextureProjection {
74 brushprimit_texdef_t m_brushprimit_texdef;
83 const texdef_t &texdef,
84 const brushprimit_texdef_t &brushprimit_texdef,
85 const Vector3 &basis_s,
86 const Vector3 &basis_t
89 m_brushprimit_texdef(brushprimit_texdef),
96 float Texdef_getDefaultTextureScale();
102 template<typename Element>
105 typedef BasicVector3<float> Vector3;
107 template<typename Element>
110 typedef BasicVector4<float> Vector4;
111 typedef Vector4 Quaternion;
117 void Normal_GetTransform(const Vector3 &normal, Matrix4 &transform);
119 void TexDef_Construct_Default(TextureProjection &projection);
121 void Texdef_Assign(TextureProjection &projection, const TextureProjection &other);
123 void Texdef_Shift(TextureProjection &projection, float s, float t);
125 void Texdef_Scale(TextureProjection &projection, float s, float t);
127 void Texdef_Rotate(TextureProjection &projection, float angle);
129 void Texdef_FitTexture(TextureProjection &projection, std::size_t width, std::size_t height, const Vector3 &normal,
130 const Winding &w, float s_repeat, float t_repeat);
133 Texdef_EmitTextureCoordinates(const TextureProjection &projection, std::size_t width, std::size_t height, Winding &w,
134 const Vector3 &normal, const Matrix4 &localToWorld);
136 void ShiftScaleRotate_fromFace(texdef_t &shiftScaleRotate, const TextureProjection &projection);
138 void ShiftScaleRotate_toFace(const texdef_t &shiftScaleRotate, TextureProjection &projection);
140 void Texdef_transformLocked(TextureProjection &projection, std::size_t width, std::size_t height, const Plane3 &plane,
141 const Matrix4 &transform);
143 void Texdef_normalise(TextureProjection &projection, float width, float height);
147 TEXDEFTYPEID_BRUSHPRIMITIVES,
148 TEXDEFTYPEID_HALFLIFE,
151 struct bp_globals_t {
152 // tells if we are internally using brush primitive (texture coordinates and map format)
153 // this is a shortcut for IntForKey( g_qeglobals.d_project_entity, "brush_primit" )
154 // NOTE: must keep the two ones in sync
155 TexdefTypeId m_texdefTypeId;
158 extern bp_globals_t g_bp_globals;
159 extern float g_texdef_default_scale;
161 void ComputeAxisBase(const Vector3 &normal, Vector3 &texS, Vector3 &texT);