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1 /*
2 Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3 For a list of contributors, see the accompanying CONTRIBUTORS file.
4
5 This file is part of GtkRadiant.
6
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.
11
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.
16
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
20 */
21
22 #if !defined(INCLUDED_BRUSH_PRIMIT_H)
23 #define INCLUDED_BRUSH_PRIMIT_H
24
25 #include "math/vector.h"
26 #include "itexdef.h"
27 // Timo
28 // new brush primitive texdef
29 struct brushprimit_texdef_t
30 {
31   brushprimit_texdef_t()
32   {
33     coords[0][0] = 2.0f;
34     coords[0][1] = 0.f;
35     coords[0][2] = 0.f;
36     coords[1][0] = 0.f;
37     coords[1][1] = 2.0f;
38     coords[1][2] = 0.f;
39   }
40   void removeScale(std::size_t width, std::size_t height)
41   {
42 #if 1
43     coords[0][0] *= width;
44     coords[0][1] *= width;
45     coords[0][2] *= width;
46     coords[1][0] *= height;
47     coords[1][1] *= height;
48     coords[1][2] *= height;
49 #endif
50   }
51   void addScale(std::size_t width, std::size_t height)
52   {
53 #if 1
54     coords[0][0] /= width;
55     coords[0][1] /= width;
56     coords[0][2] /= width;
57     coords[1][0] /= height;
58     coords[1][1] /= height;
59     coords[1][2] /= height;
60 #endif
61   }
62         float coords[2][3];
63 };
64
65 class TextureProjection
66 {
67 public:
68         texdef_t m_texdef;
69         brushprimit_texdef_t m_brushprimit_texdef;
70   Vector3 m_basis_s;
71   Vector3 m_basis_t;
72
73   TextureProjection()
74   {
75   }
76   TextureProjection(
77     const texdef_t& texdef,
78     const brushprimit_texdef_t& brushprimit_texdef,
79     const Vector3& basis_s,
80     const Vector3& basis_t
81   ) :
82     m_texdef(texdef),
83     m_brushprimit_texdef(brushprimit_texdef),
84     m_basis_s(basis_s),
85     m_basis_t(basis_t)
86   {
87   }
88 };
89
90 float Texdef_getDefaultTextureScale();
91
92 class texdef_t;
93 struct Winding;
94 template<typename Element> class BasicVector3;
95 typedef BasicVector3<float> Vector3;
96 template<typename Element> class BasicVector4;
97 typedef BasicVector4<float> Vector4;
98 typedef Vector4 Quaternion;
99 class Matrix4;
100 class Plane3;
101
102 void Normal_GetTransform(const Vector3& normal, Matrix4& transform);
103
104 void TexDef_Construct_Default(TextureProjection& projection);
105
106 void Texdef_Assign(TextureProjection& projection, const TextureProjection& other);
107 void Texdef_Shift(TextureProjection& projection, float s, float t);
108 void Texdef_Scale(TextureProjection& projection, float s, float t);
109 void Texdef_Rotate(TextureProjection& projection, float angle);
110 void Texdef_FitTexture(TextureProjection& projection, std::size_t width, std::size_t height, const Vector3& normal, const Winding& w, float s_repeat, float t_repeat);
111 void Texdef_EmitTextureCoordinates(const TextureProjection& projection, std::size_t width, std::size_t height, Winding& w, const Vector3& normal, const Matrix4& localToWorld);
112
113 void ShiftScaleRotate_fromFace(texdef_t& shiftScaleRotate, const TextureProjection& projection);
114 void ShiftScaleRotate_toFace(const texdef_t& shiftScaleRotate, TextureProjection& projection);
115
116 void Texdef_transformLocked(TextureProjection& projection, std::size_t width, std::size_t height, const Plane3& plane, const Matrix4& transform);
117 void Texdef_normalise(TextureProjection& projection, float width, float height);
118
119 enum TexdefTypeId
120 {
121   TEXDEFTYPEID_QUAKE,
122   TEXDEFTYPEID_BRUSHPRIMITIVES,
123   TEXDEFTYPEID_HALFLIFE,
124 };
125
126 struct bp_globals_t
127 {
128   // tells if we are internally using brush primitive (texture coordinates and map format)
129   // this is a shortcut for IntForKey( g_qeglobals.d_project_entity, "brush_primit" )
130   // NOTE: must keep the two ones in sync
131   TexdefTypeId m_texdefTypeId;
132 };
133
134 extern bp_globals_t g_bp_globals;
135 extern float g_texdef_default_scale;
136
137 #endif