void CameraUpdate (void)
{
CameraPan (movement.x);
CameraForward (movement.z);
position.y += movement.y / 10.0f;
if (GetTickCount () - last_move > 1000)
movement *= 0.9f;
else
movement *= 0.99f;
if (SCREENSAVER)
cam_auto = true;
if (cam_auto)
do_auto_cam ();
if (angle.y < 0.0f)
angle.y = 360.0f - (float)fmod (fabs (angle.y), 360.0f);
angle.y = (float)fmod (angle.y, 360.0f);
angle.x = CLAMP (angle.x, -MAX_PITCH, MAX_PITCH);
}
LRESULT CALLBACK WndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
RECT r;
float delta_x, delta_y;
point p;
switch (message) {
case WM_MOVE:
GetClientRect (hwnd, &r);
height = r.bottom - r.top;
width = r.right - r.left;
break;
case WM_LBUTTONDOWN:
lmb = true;
SetCapture (hwnd);
break;
case WM_RBUTTONDOWN:
rmb = true;
SetCapture (hwnd);
break;
case WM_LBUTTONUP:
lmb = false;
if (!rmb) {
ReleaseCapture ();
MoveCursor (select_pos.x, select_pos.y);
}
break;
case WM_RBUTTONUP:
rmb = false;
if (!lmb) {
ReleaseCapture ();
MoveCursor (select_pos.x, select_pos.y);
}
break;
case WM_MOUSEMOVE:
p.x = LOWORD(lParam); // horizontal position of cursor
p.y = HIWORD(lParam); // vertical position of cursor
if (!mouse_forced && !lmb && !rmb) {
select_pos = p;
}
if (mouse_forced) {
mouse_forced = false;
} else if (rmb || lmb) {
CenterCursor ();
delta_x = (float)(mouse_pos.x - p.x) / MOUSE_MOVEMENT;
delta_y = (float)(mouse_pos.y - p.y) / MOUSE_MOVEMENT;
if (rmb && lmb) {
CameraSelectionYaw (delta_x);
CameraSelectionZoom (-delta_y);
} else if (rmb) {
CameraPan (delta_x);
CameraForward (delta_y);
} else if (lmb) {
CameraSelectionYaw (delta_x);
CameraSelectionPitch (delta_y);
}
}
mouse_pos = p;
break;
case WM_CLOSE:
AppQuit ();
return 0;
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
LONG WINAPI ScreenSaverProc(HWND hwnd_in,UINT message,WPARAM wparam,LPARAM lparam)
{
RECT r;
int key;
float delta_x, delta_y;
POINT p;
// Handles screen saver messages
switch(message)
{
case WM_SIZE:
width = LOWORD(lparam); // width of client area
height = HIWORD(lparam); // height of client area
if (wparam == SIZE_MAXIMIZED) {
IniIntSet ("WindowMaximized", 1);
} else {
IniIntSet ("WindowWidth", width);
IniIntSet ("WindowHeight", height);
IniIntSet ("WindowMaximized", 0);
}
RenderResize ();
break;
case WM_KEYDOWN:
key = (int) wparam;
if (key == 'R')
WorldReset ();
else if (key == 'W')
RenderWireframeToggle ();
else if (key == 'E')
RenderEffectCycle ();
else if (key == 'L')
RenderLetterboxToggle ();
else if (key == 'F')
RenderFPSToggle ();
else if (key == 'G')
RenderFogToggle ();
else if (key == 'T')
RenderFlatToggle ();
else if (key == VK_F1)
RenderHelpToggle ();
else if (key == VK_ESCAPE)
break;
else if (!SCREENSAVER) {
//Dev mode keys
if (key == 'C')
CameraAutoToggle ();
if (key == 'B')
CameraNextBehavior ();
if (key == VK_F5)
CameraReset ();
if (key == VK_UP)
CameraMedial (1.0f);
if (key == VK_DOWN)
CameraMedial (-1.0f);
if (key == VK_LEFT)
CameraLateral (1.0f);
if (key == VK_RIGHT)
CameraLateral (-1.0f);
if (key == VK_PRIOR)
CameraVertical (1.0f);
if (key == VK_NEXT)
CameraVertical (-1.0f);
if (key == VK_F5)
CameraReset ();
return 0;
} else
break;
return 0;
case WM_MOVE:
GetClientRect (hwnd, &r);
height = r.bottom - r.top;
width = r.right - r.left;
IniIntSet ("WindowX", r.left);
IniIntSet ("WindowY", r.top);
IniIntSet ("WindowWidth", width);
IniIntSet ("WindowHeight", height);
half_width = width / 2;
half_height = height / 2;
return 0;
case WM_LBUTTONDOWN:
lmb = true;
SetCapture (hwnd);
break;
case WM_RBUTTONDOWN:
rmb = true;
SetCapture (hwnd);
break;
case WM_LBUTTONUP:
lmb = false;
if (!rmb) {
ReleaseCapture ();
MoveCursor (select_pos.x, select_pos.y);
}
break;
case WM_RBUTTONUP:
rmb = false;
if (!lmb) {
ReleaseCapture ();
MoveCursor (select_pos.x, select_pos.y);
}
break;
case WM_MOUSEMOVE:
p.x = LOWORD(lparam); // horizontal position of cursor
p.y = HIWORD(lparam); // vertical position of cursor
if (p.x < 0 || p.x > width)
break;
if (p.y < 0 || p.y > height)
break;
if (!mouse_forced && !lmb && !rmb) {
select_pos = p;
}
if (mouse_forced) {
mouse_forced = false;
} else if (rmb || lmb) {
CenterCursor ();
delta_x = (float)(mouse_pos.x - p.x) * MOUSE_MOVEMENT;
delta_y = (float)(mouse_pos.y - p.y) * MOUSE_MOVEMENT;
if (rmb && lmb) {
GLvector pos;
CameraPan (delta_x);
pos = CameraPosition ();
pos.y += delta_y;
CameraPositionSet (pos);
} else if (rmb) {
CameraPan (delta_x);
CameraForward (delta_y);
} else if (lmb) {
GLvector angle;
angle = CameraAngle ();
angle.y -= delta_x;
angle.x += delta_y;
CameraAngleSet (angle);
}
}
mouse_pos = p;
break;
case WM_CREATE:
hwnd = hwnd_in;
if (SCREENSAVER)
AppInit ();
SetTimer (hwnd, 1, 7, NULL);
return 0;
case WM_TIMER:
AppUpdate ();
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
#if SCREENSAVER
return DefScreenSaverProc(hwnd_in,message,wparam,lparam);
#else
return DefWindowProc (hwnd_in,message,wparam,lparam);
#endif
}
