1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/level/src/terrain.cc	Fri May 25 05:28:20 2012 +0300
     1.3 @@ -0,0 +1,53 @@
     1.4 +#include "terrain.h"
     1.5 +
     1.6 +Terrain::Terrain()
     1.7 +{
     1.8 +	root = 0;
     1.9 +}
    1.10 +
    1.11 +Terrain::~Terrain()
    1.12 +{
    1.13 +	delete root;
    1.14 +}
    1.15 +
    1.16 +float Terrain::get_height(float x, float y) const
    1.17 +{
    1.18 +	return root->get_height(x, y);
    1.19 +}
    1.20 +
    1.21 +
    1.22 +TerrainNode::TerrainNode()
    1.23 +{
    1.24 +	height = 0;
    1.25 +	child[0] = child[1] = child[2] = child[3];
    1.26 +}
    1.27 +
    1.28 +TerrainNode::~TerrainNode()
    1.29 +{
    1.30 +	for(auto c : child) {
    1.31 +		delete c;
    1.32 +	}
    1.33 +	delete [] height;
    1.34 +}
    1.35 +
    1.36 +TerrainNode *TerrainNode::get_child(float x, float y)
    1.37 +{
    1.38 +	int xidx = x >= 0.0 ? 1 : 0;
    1.39 +	int yidx = y >= 0.0 ? 1 : 0;
    1.40 +	return child[y * 2 + x];
    1.41 +}
    1.42 +
    1.43 +const TerrainNode *TerrainNode::get_child(float x, float y) const
    1.44 +{
    1.45 +	int xidx = x >= 0.0 ? 1 : 0;
    1.46 +	int yidx = y >= 0.0 ? 1 : 0;
    1.47 +	return child[y * 2 + x];
    1.48 +}
    1.49 +
    1.50 +float TerrainNode::get_height(float x, float y) const
    1.51 +{
    1.52 +	TerrainNode *child = get_child(x, y);
    1.53 +	if(child) {
    1.54 +
    1.55 +	}
    1.56 +}

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/level/src/terrain.h	Fri May 25 05:28:20 2012 +0300
     2.3 @@ -0,0 +1,37 @@
     2.4 +#ifndef TERRAIN_H_
     2.5 +#define TERRAIN_H_
     2.6 +
     2.7 +#include <string>
     2.8 +#include <map>
     2.9 +
    2.10 +class TerrainNode;
    2.11 +
    2.12 +class Terrain {
    2.13 +private:
    2.14 +	TerrainNode *root;
    2.15 +
    2.16 +public:
    2.17 +	Terrain();
    2.18 +	~Terrain();
    2.19 +
    2.20 +	float get_height(float x, float y) const;
    2.21 +};
    2.22 +
    2.23 +
    2.24 +class TerrainNode {
    2.25 +private:
    2.26 +	unsigned char *height;
    2.27 +
    2.28 +public:
    2.29 +	TerrainNode *child[4];
    2.30 +
    2.31 +	TerrainNode();
    2.32 +	~TerrainNode();
    2.33 +
    2.34 +	TerrainNode *get_child(float x, float y);
    2.35 +	const TerrainNode *get_child(float x, float y) const;
    2.36 +
    2.37 +	float get_height(float x, float y) const;
    2.38 +};
    2.39 +
    2.40 +#endif	// TERRAIN_H_

     3.1 --- a/src/game_part.cc	Wed May 23 17:10:46 2012 +0300
     3.2 +++ b/src/game_part.cc	Fri May 25 05:28:20 2012 +0300
     3.3 @@ -3,6 +3,13 @@
     3.4  #include "game_part.h"
     3.5  #include "level.h"
     3.6  
     3.7 +Game::Game()
     3.8 +{
     3.9 +	cam_theta = 0;
    3.10 +	cam_phi = 45;
    3.11 +	cam_dist = 5;
    3.12 +}
    3.13 +
    3.14  Game::~Game() {}
    3.15  
    3.16  bool Game::init()
    3.17 @@ -26,9 +33,9 @@
    3.18  
    3.19  	glMatrixMode(GL_MODELVIEW);
    3.20  	glLoadIdentity();
    3.21 -	glTranslatef(0, 0, -4);
    3.22 -	glRotatef(50, 1, 0, 0);
    3.23 -	glRotatef(current_time / 100.0, 0, 1, 0);
    3.24 +	glTranslatef(0, 0, -cam_dist);
    3.25 +	glRotatef(cam_phi, 1, 0, 0);
    3.26 +	glRotatef(cam_theta, 0, 1, 0);
    3.27  
    3.28  	level.draw();
    3.29  }
    3.30 @@ -52,3 +59,39 @@
    3.31  		break;
    3.32  	}
    3.33  }
    3.34 +
    3.35 +static bool bnstate[32];
    3.36 +static int prev_x, prev_y;
    3.37 +
    3.38 +void Game::mouse_button(int bn, bool pressed)
    3.39 +{
    3.40 +	bnstate[bn] = pressed;
    3.41 +
    3.42 +	if(pressed) {
    3.43 +		if(bn == 3) {
    3.44 +			cam_dist -= 0.2;
    3.45 +			if(cam_dist < 0) {
    3.46 +				cam_dist = 0;
    3.47 +			}
    3.48 +		}
    3.49 +		if(bn == 4) {
    3.50 +			cam_dist += 0.2;
    3.51 +		}
    3.52 +	}
    3.53 +}
    3.54 +
    3.55 +void Game::mouse_motion(int x, int y)
    3.56 +{
    3.57 +	int dx = x - prev_x;
    3.58 +	int dy = y - prev_y;
    3.59 +	prev_x = x;
    3.60 +	prev_y = y;
    3.61 +
    3.62 +	if(bnstate[2]) {
    3.63 +		cam_theta += dx * 0.5;
    3.64 +		cam_phi += dy * 0.5;
    3.65 +
    3.66 +		if(cam_phi < 0) cam_phi = 0;
    3.67 +		if(cam_phi > 90) cam_phi = 90;
    3.68 +	}
    3.69 +}

     4.1 --- a/src/game_part.h	Wed May 23 17:10:46 2012 +0300
     4.2 +++ b/src/game_part.h	Fri May 25 05:28:20 2012 +0300
     4.3 @@ -7,7 +7,10 @@
     4.4  class Game : public Part {
     4.5  private:
     4.6  	Level level;
     4.7 +	float cam_theta, cam_phi, cam_dist;
     4.8 +
     4.9  public:
    4.10 +	Game();
    4.11  	~Game();
    4.12  
    4.13  	bool init();
    4.14 @@ -17,6 +20,8 @@
    4.15  	void draw() const;
    4.16  	void reshape(int x, int y);
    4.17  	void key(int key, bool pressed);
    4.18 +	void mouse_button(int bn, bool pressed);
    4.19 +	void mouse_motion(int x, int y);
    4.20  };
    4.21  
    4.22  #endif	// GAME_PART_H_