2 Copyright (C) 2003, 2010 - Wolfire Games
3 Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
5 This file is part of Lugaru.
7 Lugaru 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 Lugaru 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 Lugaru. If not, see <http://www.gnu.org/licenses/>.
24 #include "Environment/Lights.hpp"
25 #include "Graphic/Decal.hpp"
26 #include "Graphic/gamegl.hpp"
27 #include "Graphic/Texture.hpp"
28 #include "Math/Frustum.hpp"
29 #include "Math/XYZ.hpp"
30 #include "Utils/ImageIO.hpp"
32 #define max_terrain_size 256
33 #define curr_terrain_size size
34 #define subdivision 64
35 #define max_patch_elements (max_terrain_size/subdivision)*(max_terrain_size/subdivision)*54
41 #define max_decals 1000
43 #define snowyenvironment 0
44 #define grassyenvironment 1
45 #define desertenvironment 2
54 Texture bloodtexture2;
55 Texture shadowtexture;
56 Texture footprinttexture;
57 Texture bodyprinttexture;
59 Texture terraintexture;
62 std::vector<unsigned int> patchobjects[subdivision][subdivision];
66 float heightmap[max_terrain_size + 1][max_terrain_size + 1];
67 XYZ normals[max_terrain_size][max_terrain_size];
68 XYZ facenormals[max_terrain_size][max_terrain_size];
69 XYZ triangles[(max_terrain_size - 1) * (max_terrain_size - 1) * 2][3];
70 float colors[max_terrain_size][max_terrain_size][4];
71 float opacityother[max_terrain_size][max_terrain_size];
72 float texoffsetx[max_terrain_size][max_terrain_size];
73 float texoffsety[max_terrain_size][max_terrain_size];
74 int numtris[subdivision][subdivision];
75 int textureness[subdivision][subdivision];
77 GLfloat vArray[(max_patch_elements)*subdivision*subdivision];
79 bool visible[subdivision][subdivision];
80 float avgypatch[subdivision][subdivision];
81 float maxypatch[subdivision][subdivision];
82 float minypatch[subdivision][subdivision];
83 float heightypatch[subdivision][subdivision];
87 std::vector<Decal> decals;
89 void AddObject(XYZ where, float radius, int id);
90 void DeleteDecal(int which);
91 void MakeDecal(decal_type type, XYZ where, float size, float opacity, float rotation);
92 void MakeDecalLock(decal_type type, XYZ where, int whichx, int whichy, float size, float opacity, float rotation);
93 int lineTerrain(XYZ p1, XYZ p2, XYZ *p);
94 float getHeight(float pointx, float pointz);
95 float getOpacity(float pointx, float pointz);
96 XYZ getLighting(float pointx, float pointz);
97 XYZ getNormal(float pointx, float pointz);
98 void UpdateVertexArray(int whichx, int whichy);
99 bool load(const std::string& fileName);
100 void CalculateNormals();
102 void draw(int layer);
104 void deleteDeadDecals();
109 void drawpatch(int whichx, int whichy, float opacity);
110 void drawpatchother(int whichx, int whichy, float opacity);
111 void drawpatchotherother(int whichx, int whichy);
112 void UpdateTransparency(int whichx, int whichy);
113 void UpdateTransparencyother(int whichx, int whichy);
114 void UpdateTransparencyotherother(int whichx, int whichy);