Source/Terrain.h

   1 #ifndef _TERRAIN_H_
   2 #define _TERRAIN_H_
   3
   4 #include "gamegl.h"
   5 #include "Frustum.h"
   6 #include "Lights.h"
   7 #include "TGALoader.h"
   8 #include "Quaternions.h"
   9 #include "Quaternions.h"
  10
  11 #define max_terrain_size                        256
  12 #define curr_terrain_size                       size
  13 #define subdivision                             64
  14 #define max_patch_elements                      (max_terrain_size/subdivision)*(max_terrain_size/subdivision)*54
  15
  16 #define allfirst 0
  17 #define mixed 1
  18 #define allsecond 2
  19
  20 #define max_decals 1000
  21
  22 #define shadowdecal 0
  23 #define footprintdecal 1
  24 #define blooddecal 2
  25 #define blooddecalfast 3
  26 #define shadowdecalpermanent 4
  27 #define breakdecal 5
  28 #define blooddecalslow 6
  29 #define bodyprintdecal 7
  30
  31 #define snowyenvironment 0
  32 #define grassyenvironment 1
  33 #define desertenvironment 2
  34 //
  35 // Model Structures
  36 //
  37
  38 class Terrain{
  39 public:
  40         GLuint bloodtexture;
  41         GLuint bloodtexture2;
  42         GLuint shadowtexture;
  43         GLuint footprinttexture;
  44         GLuint bodyprinttexture;
  45         GLuint breaktexture;
  46         GLuint terraintexture;
  47         short   size;
  48
  49         int patchobjectnum[subdivision][subdivision];
  50         int patchobjects[subdivision][subdivision][300];
  51
  52         float scale;
  53         int type;
  54         float heightmap[max_terrain_size+1][max_terrain_size+1];
  55         XYZ normals[max_terrain_size][max_terrain_size];
  56         XYZ facenormals[max_terrain_size][max_terrain_size];
  57         XYZ triangles[(max_terrain_size-1)*(max_terrain_size-1)*2][3];
  58         float colors[max_terrain_size][max_terrain_size][4];
  59         float opacityother[max_terrain_size][max_terrain_size];
  60         float texoffsetx[max_terrain_size][max_terrain_size];
  61         float texoffsety[max_terrain_size][max_terrain_size];
  62         int numtris[subdivision][subdivision];
  63         int textureness[subdivision][subdivision];
  64
  65         GLfloat vArray[(max_patch_elements)*subdivision*subdivision];
  66
  67         bool visible[subdivision][subdivision];
  68         float avgypatch[subdivision][subdivision];
  69         float maxypatch[subdivision][subdivision];
  70         float minypatch[subdivision][subdivision];
  71         float heightypatch[subdivision][subdivision];
  72
  73         int patch_elements;
  74
  75         float decaltexcoords[max_decals][3][2];
  76         XYZ decalvertex[max_decals][3];
  77         int decaltype[max_decals];
  78         float decalopacity[max_decals];
  79         float decalrotation[max_decals];
  80         float decalalivetime[max_decals];
  81         float decalbrightness[max_decals];
  82         XYZ decalposition[max_decals];
  83         int numdecals;
  84
  85         void AddObject(XYZ where, float radius,int id);
  86         void DeleteDecal(int which);
  87         void MakeDecal(int type, XYZ where, float size, float opacity, float rotation);
  88         void MakeDecalLock(int type, XYZ where, int whichx, int whichy, float size, float opacity, float rotation);
  89         int lineTerrain(XYZ p1,XYZ p2, XYZ *p);
  90         float getHeight(float pointx, float pointz);
  91         float getHeightExtrude(float pointx, float pointz,float point2x, float point2z);
  92         float getOpacity(float pointx, float pointz);
  93         XYZ getLighting(float pointx, float pointz);
  94         XYZ getNormal(float pointx, float pointz);
  95         void UpdateVertexArray(int whichx, int whichy);
  96         void UpdateTransparency(int whichx, int whichy);
  97         void UpdateTransparencyother(int whichx, int whichy);
  98         void UpdateTransparencyotherother(int whichx, int whichy);
  99         bool load(char *fileName);
 100         void CalculateNormals();
 101         void drawdecals();
 102         void draw(int layer);
 103         void drawpatch(int whichx, int whichy, float opacity);
 104         void drawpatchother(int whichx, int whichy, float opacity);
 105         void drawpatchotherother(int whichx, int whichy, float opacity);
 106         void DoLighting();
 107         void DoShadows();
 108
 109         Terrain();
 110         ~Terrain();
 111 };
 112
 113 #endif