terrain.h

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#include "include.h"

#ifndef TERRAIN_H
#define TERRAIN_H

class Terrain
{
public:
    Terrain();
    int load(Graphics &gfx, float scale, vec3 &offset, char *heightmap, char *texture_str, bool sphere, int anisotropic);
    int CreateMesh(char *heightmap, float scale_width, float scale_height, vec3 &offset, vertex_t *&vertex, unsigned int *&index, unsigned int &num_vertex, unsigned int &num_index);
    void render(Graphics &gfx);
    bool collision_detect(RigidBody &body);
    float GetHeight(const vec3 &position, vec3 &normal);
    void Smooth(vertex_t *image, int width, int height, vec3 &avg);
    int CreateWater(float scale_width, float scale_height, vertex_t *&vertex, unsigned int *&index, unsigned int &num_vertex, unsigned int &num_index);

    void CreateSphere(char *heightmap, float radius, vec3 &offset, vertex_t *&vertex, unsigned int *&index, unsigned int &num_vertex, unsigned int &num_index);

    float height;
    int x_index;
    int y_index;
    int top;
private:

    float size;
    vec3 offset;
    int num_col;
    int num_row;
    float trilength;
    bool loaded;


    vec3 avg;
    vertex_t *water_array;
    unsigned int *water_index;
    unsigned int water_nvertex;
    unsigned int water_nindex;
    int water_vbo;
    int water_ibo;
    int water_tex;




    vertex_t *vertex_array;
    unsigned int *index_array;
    unsigned int num_vertex;
    unsigned int num_index;
    int vbo;
    int ibo;
    int terrain_tex;
};

#endif