initial commit

10 files changed, 914 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ffb4888
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+/build
+
+/.project
+/.cproject
+/.setting
+
+*.exe
+*.layout
+*.win
+*.dev
+*.o
+*.dll
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..cdf1ff9
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 2.6)
+project(HEADSHOT)
+
+find_package(OpenGL REQUIRED)
+
+include_directories(${OPENGL_INCLUDE_DIR})
+
+add_executable(headshot
+  Cuboid.h Cuboid.cpp
+  Engine.h Engine.cpp
+  gl.h
+  Keys.h
+  main.cpp
+  Triangle.h
+)
+target_link_libraries(headshot ${OPENGL_LIBRARIES} cwiid)
\ No newline at end of file
diff --git a/Cuboid.cpp b/Cuboid.cpp
new file mode 100644
index 0000000..5afae93
--- /dev/null
+++ b/Cuboid.cpp
@@ -0,0 +1,128 @@
+#include "Cuboid.h"
+#include "gl.h"
+
+Cuboid::Cuboid(float width, float height, float depth) {
+  setSize(width, height, depth);
+  setPos(0, 0, 0);
+}
+
+Cuboid::Cuboid(float width, float height, float depth, float x, float y, float z)
+{
+  setSize(width, height, depth);
+  setPos(x, y, z);
+}
+
+float Cuboid::getHeight()
+{
+  return height;
+}
+
+float Cuboid::getWidth()
+{
+  return width;
+}
+
+float Cuboid::getDepth()
+{
+  return depth;
+}
+
+float Cuboid::getPosX()
+{
+  return x;
+}
+
+float Cuboid::getPosY()
+{
+  return y;
+}
+
+float Cuboid::getPosZ()
+{
+  return z;
+}
+
+void Cuboid::setSize(float w, float h, float d)
+{
+  width = w;
+  height = h;
+  depth = d;
+}
+
+void Cuboid::setPos(float x, float y, float z)
+{
+  this->x = x;
+  this->y = y;
+  this->z = z;
+}
+
+std::list<Triangle> Cuboid::getTriangles()
+{
+  std::list<Triangle> triangles;
+  // width, height, depth
+  // Front face
+  vmml::vec4f c(0.0, 0.0, 1.0, 0.5);
+  
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y+height/2, z+depth/2),
+                               vmml::vec3f(x-width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z+depth/2), c));
+  
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z+depth/2), c));
+  
+  // Back face
+  c = vmml::vec4f(1.0, 1.0, 0.0, 0.5);
+  
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y+height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z-depth/2),
+                               vmml::vec3f(x-width/2, y-height/2, z-depth/2), c));
+
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y-height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y-height/2, z-depth/2), c));
+  
+  // Left face
+  c = vmml::vec4f(0.0, 1.0, 0.0, 0.5);
+  
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y+height/2, z+depth/2),
+                               vmml::vec3f(x-width/2, y+height/2, z-depth/2),
+                               vmml::vec3f(x-width/2, y-height/2, z+depth/2), c));
+
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y-height/2, z-depth/2),
+                               vmml::vec3f(x-width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x-width/2, y+height/2, z-depth/2), c));
+  
+  // Right face
+  
+  triangles.push_back(Triangle(vmml::vec3f(x+width/2, y+height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z-depth/2), c));
+
+  triangles.push_back(Triangle(vmml::vec3f(x+width/2, y-height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y-height/2, z+depth/2), c));
+  
+  // Top face  
+  c = vmml::vec4f(1.0, 0.0, 0.0, 0.5);
+  
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y+height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z+depth/2),
+                               vmml::vec3f(x-width/2, y+height/2, z-depth/2), c));
+
+  triangles.push_back(Triangle(vmml::vec3f(x+width/2, y+height/2, z+depth/2),
+                               vmml::vec3f(x+width/2, y+height/2, z-depth/2),
+                               vmml::vec3f(x-width/2, y+height/2, z-depth/2), c));
+
+  // Bottom face
+  
+  triangles.push_back(Triangle(vmml::vec3f(x-width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x-width/2, y-height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y-height/2, z+depth/2), c));
+
+  triangles.push_back(Triangle(vmml::vec3f(x+width/2, y-height/2, z+depth/2),
+                               vmml::vec3f(x-width/2, y-height/2, z-depth/2),
+                               vmml::vec3f(x+width/2, y-height/2, z-depth/2), c));
+  
+  return triangles;
+}
diff --git a/Cuboid.h b/Cuboid.h
new file mode 100644
index 0000000..d1c600d
--- /dev/null
+++ b/Cuboid.h
@@ -0,0 +1,30 @@
+#ifndef _CUBOID_H_
+#define _CUBOID_H_
+
+#include "Triangle.h"
+
+#include <list>
+
+class Cuboid
+{
+  public:
+    Cuboid() : width(0), height(0), depth(0), x(0), y(0), z(0) {}
+    Cuboid(float width, float height, float depth);
+    Cuboid(float width, float height, float depth, float x, float y, float z);
+    float getHeight();
+    float getWidth();
+    float getDepth();
+    float getPosX();
+    float getPosY();
+    float getPosZ();
+    void setSize(float w, float h, float d);
+    void setPos(float x, float y, float z);
+    std::list<Triangle> getTriangles();
+  
+  private:
+    float width, height, depth;
+    float x, y, z;
+
+};
+#endif /*_CUBOID_H_*/
+
diff --git a/Engine.cpp b/Engine.cpp
new file mode 100644
index 0000000..20de3e6
--- /dev/null
+++ b/Engine.cpp
@@ -0,0 +1,76 @@
+/*
+ * Engine.cpp
+ *
+ *  Created on: 26.02.2010
+ *      Author: constantin
+ */
+
+#include "Engine.h"
+
+Engine::Renderer Engine::render;
+const float Engine::PLAYER_SPEED = 3;
+
+Engine::Engine(): playerPos(vmml::vec3f::ZERO), playerRotY(vmml::mat4f::IDENTITY), playerRotX(0)
+{
+  //tree = new BSPTree(triangles);
+}
+Engine::~Engine() {
+  //delete tree;
+}
+
+void Engine::renderScene(unsigned long delta, const Keyset &keys)  {
+  //run(delta, keys);
+  static Cuboid cube(1, 1, 1, 0, 0, 0);
+
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glLoadIdentity();
+
+  glTranslatef(0.0, 0.0, -10.0); // Then set up transformation
+  glRotatef(0, 1.0, 0.0, 0.0);
+  glRotatef(0, 0.0, 1.0, 0.0);
+
+  //vmml::mat4f transform, inverseTransform;
+  //glGetFloatv(GL_MODELVIEW_MATRIX, transform.array);
+
+  //transform.inverse(inverseTransform);
+
+  //vmml::vec3f viewPoint = inverseTransform*vmml::vec3f::ZERO;
+
+    glBegin(GL_TRIANGLES);
+    //tree->visit(render, viewPoint);
+
+      triangles = cube.getTriangles();
+
+      for(std::list<Triangle>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
+        render(*t);
+      }
+    glEnd();
+  glFlush();
+}
+
+void Engine::run(unsigned long delta, const Keyset &keys)
+{
+  vmml::vec3f playerMove(vmml::vec3f::ZERO);
+
+  if(keys.test(KEY_UP)) {
+    playerMove -= playerRotY*vmml::vec3f::UNIT_Z;
+  }
+  if(keys.test(KEY_DOWN)) {
+    playerMove += playerRotY*vmml::vec3f::UNIT_Z;
+  }
+  if(keys.test(KEY_LEFT)) {
+    playerMove -= playerRotY*vmml::vec3f::UNIT_X;
+  }
+  if(keys.test(KEY_RIGHT)) {
+    playerMove += playerRotY*vmml::vec3f::UNIT_X;
+  }
+
+  if(playerMove == vmml::vec3f::ZERO)
+    return;
+
+  playerMove.normalize();
+  playerMove *= PLAYER_SPEED*delta/1;
+  playerPos += playerMove;
+
+}
diff --git a/Engine.h b/Engine.h
new file mode 100644
index 0000000..96eab27
--- /dev/null
+++ b/Engine.h
@@ -0,0 +1,44 @@
+/*
+ * Engine.h
+ *
+ *  Created on: 24.02.2010
+ *      Author: constantin
+ */
+
+#ifndef ENGINE_H_
+#define ENGINE_H_
+
+#include "gl.h"
+#include "Keys.h"
+#include "Triangle.h"
+#include "Cuboid.h"
+#include <list>
+
+class Engine
+{
+  public:
+    Engine();
+    virtual ~Engine();
+
+    void renderScene(unsigned long delta, const Keyset &keys);
+
+  private:
+    static const float PLAYER_SPEED;
+    vmml::vec3f playerPos;
+    vmml::mat4f playerRotY;
+    float playerRotX;
+
+    struct Renderer {
+      void operator() (const Triangle &t) const {
+        t.render();
+      }
+    };
+    static Renderer render;
+
+    std::list<Triangle> triangles;
+
+    void run(unsigned long delta, const Keyset &keys);
+
+};
+
+#endif /* ENGINE_H_ */
diff --git a/Keys.h b/Keys.h
new file mode 100644
index 0000000..0bdfed4
--- /dev/null
+++ b/Keys.h
@@ -0,0 +1,24 @@
+/*
+ * Keys.h
+ *
+ *  Created on: 10.02.2010
+ *      Author: constantin
+ */
+
+#ifndef KEYS_H_
+#define KEYS_H_
+
+#include <bitset>
+
+enum Keys {
+  KEY_UP = 0,
+  KEY_DOWN,
+  KEY_LEFT,
+  KEY_RIGHT,
+
+  KEY_LAST
+};
+
+typedef std::bitset<KEY_LAST> Keyset;
+
+#endif /* KEYS_H_ */
diff --git a/Triangle.h b/Triangle.h
new file mode 100644
index 0000000..5e8a12c
--- /dev/null
+++ b/Triangle.h
@@ -0,0 +1,59 @@
+#ifndef _TRIANGLE_H_
+#define _TRIANGLE_H_
+
+#include "gl.h"
+#include <vmmlib/vector.hpp>
+#include <vmmlib/matrix.hpp>
+
+class Triangle
+{
+  public:
+    Triangle() : c(vmml::vec4f::ONE) {
+      v[0] = v[1] = v[2] = vmml::vec3f::ZERO;
+    }
+
+    Triangle(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &v3, const vmml::vec4f &c0) : c(c0)
+    {
+      v[0] = v1;
+      v[1] = v2;
+      v[2] = v3;
+    }
+    
+    const vmml::vec3f& getVertex(int i) const {return v[i];}
+    const vmml::vec4f& getColor() const {return c;}
+    
+    vmml::vec3f getNormal() const {
+      return v[0].compute_normal(v[1], v[2]);
+    }
+
+    void render() const {
+      glColor4fv(c.array);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, c.array);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, (c/2).array);
+      
+      glNormal3fv(getNormal().array);
+
+      for(int i = 0; i < 3; ++i)
+      {
+        glVertex3fv(v[i].array);
+      }
+    }
+    
+    void transform(const vmml::mat4f &m) {
+      for(int i = 0; i < 3; ++i)
+      {
+        v[i] = m*v[i];
+      }
+    }
+    
+    vmml::vec3f getCenter() const {
+      return (v[0]+v[1]+v[2])/3;
+    }
+
+  private:
+    vmml::vec3f v[3];
+    vmml::vec4f c;
+};
+
+#endif /*_TRIANGLE_H_*/
+
diff --git a/gl.h b/gl.h
new file mode 100644
index 0000000..fb5face
--- /dev/null
+++ b/gl.h
@@ -0,0 +1,12 @@
+#ifndef _GL_H_
+#define _GL_H_
+
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+
+#endif /* _GL_H_ */
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..2cbe672
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,513 @@
+/*
+ * main.cpp
+ *
+ *  Created on: 24.02.2010
+ *      Author: constantin
+ */
+
+#include "gl.h"
+#include "Keys.h"
+#include "Engine.h"
+#include <cwiid.h>
+
+#ifdef _WIN32
+#else
+#include <stdio.h>
+#include <iostream>
+#include <X11/X.h>
+#include <GL/glx.h>
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+#define MIN_FRAME_DELTA 16
+//#define MIN_FRAME_DELTA 41
+#define DEFAULT_WIDTH 640
+#define DEFAULT_HEIGHT 480
+
+Keyset keys;
+
+void initGL(bool multisample);
+void resize(int width, int height);
+
+void initGL(bool multisample) {
+  glClearColor(0.0, 0.0, 0.0, 1.0);
+  glClearDepth(1.0);
+  glEnable(GL_DEPTH_TEST);
+  glDepthFunc(GL_LEQUAL);
+
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+#ifndef _WIN32
+  if(multisample)
+    glEnable(GL_MULTISAMPLE_ARB);
+#endif
+
+  resize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+
+  /*glEnable(GL_LIGHTING);
+  static const float light[] = {1, 1, 1, 0};
+  static const float lightColor[] = {1, 1, 1, 1};
+  glLightfv(GL_LIGHT0, GL_POSITION, light);
+  glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
+  glEnable(GL_LIGHT0);*/
+
+  //glEnable(GL_CULL_FACE);
+  //glFrontFace(GL_CCW);
+}
+
+void resize(int width, int height)
+{
+  if(height==0)
+  {
+    height=1;
+  }
+
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluPerspective(50.0f, (GLfloat)width/(GLfloat)height, 0.1, 1000);
+
+  glMatrixMode(GL_MODELVIEW);
+
+  glViewport(0, 0, width, height);
+}
+
+
+#ifdef _WIN32
+
+bool WGLInit(HINSTANCE hInstance, HWND *hWnd, HDC *hDC, HGLRC *hRC);
+void WGLUninit(HWND hWnd, HDC hDC, HGLRC hRC);
+LRESULT CALLBACK wndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+
+bool WGLInit(HINSTANCE hInstance, HWND *hWnd, HDC *hDC, HGLRC *hRC) {
+  WNDCLASS wc;
+  wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
+  wc.lpfnWndProc = (WNDPROC)wndProc;
+  wc.cbClsExtra = 0;
+  wc.cbWndExtra = 0;
+  wc.hInstance = hInstance;
+  wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
+  wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+  wc.hbrBackground = 0;
+  wc.lpszMenuName = 0;
+  wc.lpszClassName = "HEADSHOT";
+
+  if (!RegisterClass(&wc))
+  {
+    MessageBox(0, "Failed To Register The Window Class.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;             // Exit And Return FALSE
+  }
+
+  DWORD dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
+  DWORD dwStyle = WS_OVERLAPPEDWINDOW;
+
+  RECT windowRect;
+  windowRect.left = 0;
+  windowRect.right = DEFAULT_WIDTH;
+  windowRect.top = 0;
+  windowRect.bottom = DEFAULT_HEIGHT;
+
+  AdjustWindowRectEx(&windowRect, dwStyle, FALSE, dwExStyle);
+
+  *hWnd = CreateWindowEx(dwExStyle, "HEADSHOT" /* Class Name */, "HEADSHOT" /* Title*/, WS_CLIPSIBLINGS | WS_CLIPCHILDREN | dwStyle,
+                        0, 0, windowRect.right-windowRect.left, windowRect.bottom-windowRect.top, 0, 0, hInstance, 0);
+  if(!*hWnd)
+  {
+    MessageBox(0, "Window Creation Error.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;
+  }
+
+  static PIXELFORMATDESCRIPTOR pfd =
+  {
+      sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
+      1,                             // Version Number
+      PFD_DRAW_TO_WINDOW |           // Format Must Support Window
+      PFD_SUPPORT_OPENGL |           // Format Must Support OpenGL
+      PFD_DOUBLEBUFFER,              // Must Support Double Buffering
+      PFD_TYPE_RGBA,                 // Request An RGBA Format
+      16,                            // Select Our Color Depth
+      0, 0, 0, 0, 0, 0,              // Color Bits Ignored
+      0,                             // No Alpha Buffer
+      0,                             // Shift Bit Ignored
+      0,                             // No Accumulation Buffer
+      0, 0, 0, 0,                    // Accumulation Bits Ignored
+      16,                            // 16Bit Z-Buffer (Depth Buffer)
+      0,                             // No Stencil Buffer
+      0,                             // No Auxiliary Buffer
+      PFD_MAIN_PLANE,                // Main Drawing Layer
+      0,                             // Reserved
+      0, 0, 0                        // Layer Masks Ignored
+  };
+
+  *hDC=GetDC(*hWnd);
+  if (!*hDC)
+  {
+    WGLUninit(*hWnd, 0, 0);
+    MessageBox(0, "Can't Create A GL Device Context.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;
+  }
+
+  GLuint pixelFormat = ChoosePixelFormat(*hDC, &pfd);
+  if(!pixelFormat)
+  {
+    WGLUninit(*hWnd, *hDC, 0);
+    MessageBox(0, "Can't Find A Suitable PixelFormat.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;
+  }
+
+  if(!SetPixelFormat(*hDC, pixelFormat, &pfd))
+  {
+    WGLUninit(*hWnd, *hDC, 0);
+    MessageBox(0, "Can't Set The PixelFormat.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;
+  }
+
+  *hRC=wglCreateContext(*hDC);
+  if(!*hRC)
+  {
+    WGLUninit(*hWnd, *hDC, 0);
+    MessageBox(0, "Can't Create A GL Rendering Context.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;
+  }
+
+  if(!wglMakeCurrent(*hDC, *hRC))
+  {
+    WGLUninit(*hWnd, *hDC, *hRC);
+    MessageBox(0, "Can't Activate The GL Rendering Context.", "ERROR", MB_OK|MB_ICONEXCLAMATION);
+    return false;
+  }
+
+  ShowWindow(*hWnd, SW_SHOW);
+  SetForegroundWindow(*hWnd);
+  SetFocus(*hWnd);
+
+  return true;
+}
+
+void WGLUninit(HWND hWnd, HDC hDC, HGLRC hRC) {
+  wglMakeCurrent(0, 0);
+
+  if(hRC)
+    wglDeleteContext(hRC);
+
+  if(hDC)
+    ReleaseDC(hWnd, hDC);
+
+  if(hWnd)
+    DestroyWindow(hWnd);
+}
+
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+{
+  HWND hWnd = 0;
+  HDC hDC = 0;
+  HGLRC hRC = 0;
+
+  if(!WGLInit(hInstance, &hWnd, &hDC, &hRC))
+  {
+    return 0;
+  }
+
+  initGL(false);
+
+  bool running = true;
+  MSG msg;
+
+  while(running)
+  {
+    unsigned long delta = 0;
+    unsigned long ticks = GetTickCount();
+
+    while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+    {
+      if(msg.message == WM_QUIT)
+      {
+        running = false;
+        break;
+      }
+      else              // If Not, Deal With Window Messages
+      {
+        TranslateMessage(&msg);       // Translate The Message
+        DispatchMessage(&msg);        // Dispatch The Message
+      }
+    }
+
+    void resize(int width, int height);
+
+    delta = GetTickCount()-ticks;
+
+    if(delta < MIN_FRAME_DELTA) {
+      Sleep(MIN_FRAME_DELTA - delta);
+      delta = GetTickCount()-ticks;
+    }
+
+    ticks += delta;
+
+    static Engine render;
+    render.renderScene(delta, keys);
+    SwapBuffers(hDC);
+  }
+
+  WGLUninit(hWnd, hDC, hRC);
+  return msg.wParam;
+}
+
+LRESULT CALLBACK wndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
+  switch(uMsg) {
+    case WM_CLOSE:
+      PostQuitMessage(0);
+      return 0;
+
+    case WM_SIZE:
+      resize(LOWORD(lParam), HIWORD(lParam));
+      return 0;
+
+    case WM_KEYDOWN:
+    case WM_KEYUP:
+      bool pressed = (uMsg == WM_KEYDOWN);
+
+      switch(wParam) {
+        case VK_Escape:
+          PostQuitMessage(0);
+          break;
+        case VK_Up:
+        case VK_W:
+          keys.set(KEY_UP, pressed);
+          break;
+
+        case VK_Left:
+        case VK_A:
+          keys.set(KEY_LEFT, pressed);
+          break;
+
+        case VK_Right:
+        case VK_D:
+          keys.set(KEY_RIGHT, pressed);
+          break;
+
+        case VK_Down:
+        case VK_S:
+          keys.set(KEY_DOWN, pressed);
+          break;
+      }
+
+    default:
+      return DefWindowProc(hWnd, uMsg, wParam, lParam);
+  }
+}
+
+#else
+
+bool GLXinit(Display *disp, Atom windele, Window *wnd, GLXContext *gc, bool *multisample) {
+  static const int msAttributeList[] = {GLX_RENDER_TYPE, GLX_RGBA_BIT,
+                                        GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
+                                        GLX_X_RENDERABLE, True,
+                                        GLX_DOUBLEBUFFER, True,
+                                        GLX_DEPTH_SIZE, 1,
+                                        GLX_SAMPLE_BUFFERS, 1,
+                                        GLX_SAMPLES, 4,
+                                        None};
+
+  static const int attributeList[] = {GLX_RENDER_TYPE, GLX_RGBA_BIT,
+                                      GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
+                                      GLX_X_RENDERABLE, True,
+                                      GLX_DOUBLEBUFFER, True,
+                                      GLX_DEPTH_SIZE, 1,
+                                      None};
+
+  bool ok = false;
+  *multisample = true;
+
+  int nElements;
+  GLXFBConfig *fbConfig = glXChooseFBConfig(disp, DefaultScreen(disp), msAttributeList, &nElements);
+  if(!fbConfig || !nElements) {
+    if(fbConfig) {
+      XFree(fbConfig);
+    }
+
+    *multisample = false;
+    fbConfig = glXChooseFBConfig(disp, DefaultScreen(disp), attributeList, &nElements);
+  }
+
+  if(fbConfig && nElements) {
+    XVisualInfo *vi = glXGetVisualFromFBConfig(disp, *fbConfig);
+
+    if(vi) {
+      Colormap cmap = XCreateColormap(disp, RootWindow(disp, vi->screen), vi->visual, AllocNone);
+      XSetWindowAttributes swa;
+      swa.colormap = cmap;
+      swa.border_pixel = 0;
+      swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask/* | PointerMotionMask | ButtonPressMask | ButtonReleaseMask*/;
+
+      *wnd = XCreateWindow(disp, RootWindow(disp, vi->screen), 0, 0, DEFAULT_WIDTH, DEFAULT_HEIGHT, 0, vi->depth, InputOutput,
+          vi->visual, CWBorderPixel|CWColormap|CWEventMask, &swa);
+
+      XClassHint chint;
+      chint.res_name = const_cast<char*>("HEADSHOT");
+      chint.res_class = const_cast<char*>("HEADSHOT");
+      XSetClassHint(disp, *wnd, &chint);
+
+      char *str = const_cast<char*>("HEADSHOT");
+      XTextProperty name;
+      if(XStringListToTextProperty(&str, 1, &name) != 0)
+      {
+        XSetWMName(disp, *wnd, &name);
+        XFree(name.value);
+      }
+
+      XSetWMProtocols(disp, *wnd, &windele, 1);
+
+      XMapWindow(disp, *wnd);
+
+      *gc = glXCreateContext(disp, vi, NULL, True);
+
+      glXMakeCurrent(disp, *wnd, *gc);
+
+      ok = true;
+
+      XFree(vi);
+    }
+  }
+
+  if(fbConfig)
+    XFree(fbConfig);
+
+  XSync(disp, 0);
+
+  return ok;
+}
+
+int main(/*int argc, char *argv[]*/) {
+  cwiid_mesg_callback_t cwiid_callback;
+  cwiid_wiimote_t *wiimote; /* wiimote handle */
+  struct cwiid_state state; /* wiimote state */
+  bdaddr_t bdaddr; /* bluetooth device address */
+  unsigned char mesg = 0;
+  unsigned char led_state = 0;
+  unsigned char rpt_mode = 0;
+  unsigned char rumble = 0;
+  bdaddr= *BDADDR_ANY;
+
+  /* Connect to the wiimote */
+  printf("Put Wiimote in discoverable mode now (press 1+2)...\n");
+  if (!(wiimote = cwiid_connect(&bdaddr, 0))) {
+    fprintf(stderr, "Unable to connect to wiimote\n");
+    return -1;
+  }
+  if (cwiid_set_mesg_callback(wiimote, cwiid_callback)) {
+    fprintf(stderr, "Unable to set message callback\n");
+  }
+
+  Display *disp = XOpenDisplay(0);
+  Atom windele = XInternAtom(disp, "WM_DELETE_WINDOW", False);
+  Window wnd;
+  GLXContext gc;
+
+  bool multisample;
+  if(!GLXinit(disp, windele, &wnd, &gc, &multisample))
+    return 1;
+  initGL(multisample);
+
+  GLint samples;
+  glGetIntegerv(GL_SAMPLES, &samples);
+  std::cerr << "Using " << samples << " samples" << std::endl;
+
+  bool running = true;
+
+  unsigned long delta = 0;
+  unsigned long frames = 0, tocks = 0;
+
+  struct timeval tv;
+  gettimeofday(&tv, NULL);
+  unsigned long ticks = tv.tv_usec;
+
+  while(running) {
+    while(XPending(disp)) {
+      XEvent event;
+      XNextEvent(disp, &event);
+
+      switch(event.type) {
+        case ConfigureNotify:
+          resize(event.xconfigure.width, event.xconfigure.height);
+          break;
+
+        case ClientMessage:
+          if(static_cast<Atom>(event.xclient.data.l[0]) == windele)
+            running = false;
+          break;
+
+        case KeyPress:
+        case KeyRelease:
+          KeySym keysym = XKeycodeToKeysym(disp, event.xkey.keycode, 0);
+          bool pressed = (event.type == KeyPress);
+
+          switch(keysym) {
+            case XK_Escape:
+              running = false;
+              break;
+            case XK_Up:
+            case XK_w:
+              keys.set(KEY_UP, pressed);
+              break;
+
+            case XK_Left:
+            case XK_a:
+              keys.set(KEY_LEFT, pressed);
+              break;
+
+            case XK_Right:
+            case XK_d:
+              keys.set(KEY_RIGHT, pressed);
+              break;
+
+            case XK_Down:
+            case XK_s:
+              keys.set(KEY_DOWN, pressed);
+              break;
+          }
+      }
+    }
+
+    if(!running) break;
+
+    static Engine render;
+    render.renderScene(delta, keys);
+
+    glXSwapBuffers(disp, wnd);
+    XSync(disp, 0);
+
+    long slept = 0;
+    gettimeofday(&tv, NULL);
+    delta = ((tv.tv_usec + 1000000 - ticks)%1000000)/1000;
+
+    if(delta < MIN_FRAME_DELTA) {
+      usleep((MIN_FRAME_DELTA-delta)*1000);
+      slept += (MIN_FRAME_DELTA-delta);
+
+      gettimeofday(&tv, NULL);
+      delta = ((tv.tv_usec + 1000000 - ticks)%1000000)/1000;
+    }
+
+    ticks = (ticks + delta*1000) % 1000000;
+
+    frames++;
+    tocks += delta*1000;
+    if(tocks > 1000000) {
+      std::cerr << frames << " fps; slept a total of " << slept << " ms" << std::endl;
+      frames = 0;
+      tocks -= 1000000;
+      slept = 0;
+    }
+  }
+
+  XDestroyWindow(disp, wnd);
+  glXDestroyContext(disp, gc);
+  XCloseDisplay(disp);
+  cwiid_disconnect(wiimote);
+
+  return 0;
+}
+
+#endif