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gtkradiant/radiant/camwindow.cpp
TTimo 12b372f89c ok 
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
2006-02-10 22:01:20 +00:00

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/*
Copyright (C) 1999-2006 Id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Camera Window
//
// Leonardo Zide (leo@lokigames.com)
//
#include "camwindow.h"
#include "debugging/debugging.h"
#include "iscenegraph.h"
#include "irender.h"
#include "igl.h"
#include "icamera.h"
#include "cullable.h"
#include "renderable.h"
#include "preferencesystem.h"
#include "generic/callback.h"
#include "container/array.h"
#include "scenelib.h"
#include "render.h"
#include "cmdlib.h"
#include "math/frustum.h"
#include "gtkutil/widget.h"
#include "gtkutil/button.h"
#include "gtkutil/toolbar.h"
#include "gtkutil/glwidget.h"
#include "gtkutil/xorrectangle.h"
#include "gtkmisc.h"
#include "selection.h"
#include "mainframe.h"
#include "preferences.h"
#include "commands.h"
#include "xywindow.h"
#include "windowobservers.h"
#include "renderstate.h"
#include "timer.h"
std::vector<Callback> g_cameraMoved_callbacks;
void AddCameraMovedCallback(const Callback& callback)
{
g_cameraMoved_callbacks.push_back(callback);
}
void CameraMovedNotify()
{
std::for_each(g_cameraMoved_callbacks.begin(), g_cameraMoved_callbacks.end(), CallbackInvoke());
}
struct camwindow_globals_private_t
{
int m_nMoveSpeed;
int m_nAngleSpeed;
bool m_bCamInverseMouse;
bool m_bCamDiscrete;
bool m_bCubicClipping;
camwindow_globals_private_t() :
m_nMoveSpeed(100),
m_nAngleSpeed(3),
m_bCamInverseMouse(false),
m_bCamDiscrete(true),
m_bCubicClipping(true)
{
}
};
camwindow_globals_private_t g_camwindow_globals_private;
const Matrix4 g_opengl2radiant(
0, 0,-1, 0,
-1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 0, 1
);
const Matrix4 g_radiant2opengl(
0,-1, 0, 0,
0, 0, 1, 0,
-1, 0, 0, 0,
0, 0, 0, 1
);
struct camera_t;
void Camera_mouseMove(camera_t& camera, int x, int y);
enum camera_draw_mode
{
cd_wire,
cd_solid,
cd_texture,
cd_lighting
};
struct camera_t
{
int width, height;
bool timing;
Vector3 origin;
Vector3 angles;
Vector3 color; // background
Vector3 forward, right; // move matrix (TTimo: used to have up but it was not updated)
Vector3 vup, vpn, vright; // view matrix (taken from the modelview matrix)
Matrix4 projection;
Matrix4 modelview;
unsigned int movementflags; // movement flags
Timer m_keycontrol_timer;
guint m_keymove_handler;
float fieldOfView;
DeferredMotionDelta m_mouseMove;
static void motionDelta(int x, int y, void* data)
{
Camera_mouseMove(*reinterpret_cast<camera_t*>(data), x, y);
}
View* m_view;
Callback m_update;
static camera_draw_mode draw_mode;
camera_t(View* view, const Callback& update)
: width(0),
height(0),
timing(false),
origin(0, 0, 0),
angles(0, 0, 0),
color(0, 0, 0),
movementflags(0),
m_keymove_handler(0),
fieldOfView(90.0f),
m_mouseMove(motionDelta, this),
m_view(view),
m_update(update)
{
}
};
camera_draw_mode camera_t::draw_mode = cd_texture;
inline Matrix4 projection_for_camera(float near_z, float far_z, float fieldOfView, int width, int height)
{
const float half_width = static_cast<float>(near_z * tan(degrees_to_radians(fieldOfView * 0.5)));
const float half_height = half_width * (static_cast<float>(height) / static_cast<float>(width));
return matrix4_frustum(
-half_width,
half_width,
-half_height,
half_height,
near_z,
far_z
);
}
float Camera_getFarClipPlane(camera_t& camera)
{
return (g_camwindow_globals_private.m_bCubicClipping)? pow(2.0, (g_camwindow_globals.m_nCubicScale + 7) / 2.0) : 32768.0f;
}
void Camera_updateProjection(camera_t& camera)
{
float farClip = Camera_getFarClipPlane(camera);
camera.projection = projection_for_camera(farClip / 4096.0f, farClip, camera.fieldOfView, camera.width, camera.height);
camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
}
void Camera_updateVectors(camera_t& camera)
{
for (int i=0 ; i<3 ; i++)
{
camera.vright[i] = camera.modelview[(i<<2)+0];
camera.vup[i] = camera.modelview[(i<<2)+1];
camera.vpn[i] = camera.modelview[(i<<2)+2];
}
}
void Camera_updateModelview(camera_t& camera)
{
camera.modelview = g_matrix4_identity;
// roll, pitch, yaw
Vector3 radiant_eulerXYZ(0, -camera.angles[CAMERA_PITCH], camera.angles[CAMERA_YAW]);
matrix4_translate_by_vec3(camera.modelview, camera.origin);
matrix4_rotate_by_euler_xyz_degrees(camera.modelview, radiant_eulerXYZ);
matrix4_multiply_by_matrix4(camera.modelview, g_radiant2opengl);
matrix4_affine_invert(camera.modelview);
Camera_updateVectors(camera);
camera.m_view->Construct(camera.projection, camera.modelview, camera.width, camera.height);
}
void Camera_Move_updateAxes(camera_t& camera)
{
double ya = degrees_to_radians(camera.angles[CAMERA_YAW]);
// the movement matrix is kept 2d
camera.forward[0] = static_cast<float>(cos(ya));
camera.forward[1] = static_cast<float>(sin(ya));
camera.forward[2] = 0;
camera.right[0] = camera.forward[1];
camera.right[1] = -camera.forward[0];
}
void Camera_Freemove_updateAxes(camera_t& camera)
{
camera.right = camera.vright;
camera.forward = vector3_negated(camera.vpn);
}
const Vector3& Camera_getOrigin(camera_t& camera)
{
return camera.origin;
}
void Camera_setOrigin(camera_t& camera, const Vector3& origin)
{
camera.origin = origin;
Camera_updateModelview(camera);
camera.m_update();
CameraMovedNotify();
}
const Vector3& Camera_getAngles(camera_t& camera)
{
return camera.angles;
}
void Camera_setAngles(camera_t& camera, const Vector3& angles)
{
camera.angles = angles;
Camera_updateModelview(camera);
camera.m_update();
CameraMovedNotify();
}
void Camera_FreeMove(camera_t& camera, int dx, int dy)
{
float dtime = 0.1f;
if (g_camwindow_globals_private.m_bCamInverseMouse)
camera.angles[CAMERA_PITCH] -= dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
else
camera.angles[CAMERA_PITCH] += dy * dtime * g_camwindow_globals_private.m_nAngleSpeed;
camera.angles[CAMERA_YAW] += dx * dtime * g_camwindow_globals_private.m_nAngleSpeed;
if (camera.angles[CAMERA_PITCH] > 90)
camera.angles[CAMERA_PITCH] = 90;
else if (camera.angles[CAMERA_PITCH] < -90)
camera.angles[CAMERA_PITCH] = -90;
if (camera.angles[CAMERA_YAW] >= 360)
camera.angles[CAMERA_YAW] -=360;
else if (camera.angles[CAMERA_YAW] <= 0)
camera.angles[CAMERA_YAW] +=360;
Camera_updateModelview(camera);
Camera_Freemove_updateAxes(camera);
}
void Cam_MouseControl(camera_t& camera, int x, int y)
{
int xl, xh;
int yl, yh;
float xf, yf;
xf = (float)(x - camera.width/2) / (camera.width/2);
yf = (float)(y - camera.height/2) / (camera.height/2);
xl = camera.width/3;
xh = xl*2;
yl = camera.height/3;
yh = yl*2;
xf *= 1.0f - fabsf(yf);
if (xf < 0)
{
xf += 0.1f;
if (xf > 0)
xf = 0;
}
else
{
xf -= 0.1f;
if (xf < 0)
xf = 0;
}
vector3_add(camera.origin, vector3_scaled(camera.forward, yf * 0.1f* g_camwindow_globals_private.m_nMoveSpeed));
camera.angles[CAMERA_YAW] += xf * -0.1f * g_camwindow_globals_private.m_nAngleSpeed;
Camera_updateModelview(camera);
}
void Camera_mouseMove(camera_t& camera, int x, int y)
{
//globalOutputStream() << "mousemove... ";
Camera_FreeMove(camera, -x, -y);
camera.m_update();
CameraMovedNotify();
}
const unsigned int MOVE_NONE = 0;
const unsigned int MOVE_FORWARD = 1 << 0;
const unsigned int MOVE_BACK = 1 << 1;
const unsigned int MOVE_ROTRIGHT = 1 << 2;
const unsigned int MOVE_ROTLEFT = 1 << 3;
const unsigned int MOVE_STRAFERIGHT = 1 << 4;
const unsigned int MOVE_STRAFELEFT = 1 << 5;
const unsigned int MOVE_UP = 1 << 6;
const unsigned int MOVE_DOWN = 1 << 7;
const unsigned int MOVE_PITCHUP = 1 << 8;
const unsigned int MOVE_PITCHDOWN = 1 << 9;
const unsigned int MOVE_ALL = MOVE_FORWARD|MOVE_BACK|MOVE_ROTRIGHT|MOVE_ROTLEFT|MOVE_STRAFERIGHT|MOVE_STRAFELEFT|MOVE_UP|MOVE_DOWN|MOVE_PITCHUP|MOVE_PITCHDOWN;
void Cam_KeyControl(camera_t& camera, float dtime)
{
// Update angles
if (camera.movementflags & MOVE_ROTLEFT)
camera.angles[CAMERA_YAW] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
if (camera.movementflags & MOVE_ROTRIGHT)
camera.angles[CAMERA_YAW] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
if (camera.movementflags & MOVE_PITCHUP)
{
camera.angles[CAMERA_PITCH] += 15 * dtime* g_camwindow_globals_private.m_nAngleSpeed;
if(camera.angles[CAMERA_PITCH] > 90)
camera.angles[CAMERA_PITCH] = 90;
}
if (camera.movementflags & MOVE_PITCHDOWN)
{
camera.angles[CAMERA_PITCH] -= 15 * dtime * g_camwindow_globals_private.m_nAngleSpeed;
if(camera.angles[CAMERA_PITCH] < -90)
camera.angles[CAMERA_PITCH] = -90;
}
Camera_updateModelview(camera);
Camera_Freemove_updateAxes(camera);
// Update position
if (camera.movementflags & MOVE_FORWARD)
vector3_add(camera.origin, vector3_scaled(camera.forward, dtime * g_camwindow_globals_private.m_nMoveSpeed));
if (camera.movementflags & MOVE_BACK)
vector3_add(camera.origin, vector3_scaled(camera.forward, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
if (camera.movementflags & MOVE_STRAFELEFT)
vector3_add(camera.origin, vector3_scaled(camera.right, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
if (camera.movementflags & MOVE_STRAFERIGHT)
vector3_add(camera.origin, vector3_scaled(camera.right, dtime * g_camwindow_globals_private.m_nMoveSpeed));
if (camera.movementflags & MOVE_UP)
vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, dtime * g_camwindow_globals_private.m_nMoveSpeed));
if (camera.movementflags & MOVE_DOWN)
vector3_add(camera.origin, vector3_scaled(g_vector3_axis_z, -dtime * g_camwindow_globals_private.m_nMoveSpeed));
Camera_updateModelview(camera);
}
void Camera_keyMove(camera_t& camera)
{
camera.m_mouseMove.flush();
//globalOutputStream() << "keymove... ";
float time_seconds = camera.m_keycontrol_timer.elapsed_msec() / static_cast<float>(msec_per_sec);
camera.m_keycontrol_timer.start();
if(time_seconds > 0.05f)
{
time_seconds = 0.05f; // 20fps
}
Cam_KeyControl(camera, time_seconds * 5.0f);
camera.m_update();
CameraMovedNotify();
}
gboolean camera_keymove(gpointer data)
{
Camera_keyMove(*reinterpret_cast<camera_t*>(data));
return TRUE;
}
void Camera_setMovementFlags(camera_t& camera, unsigned int mask)
{
if((~camera.movementflags & mask) != 0 && camera.movementflags == 0)
{
camera.m_keymove_handler = g_idle_add(camera_keymove, &camera);
}
camera.movementflags |= mask;
}
void Camera_clearMovementFlags(camera_t& camera, unsigned int mask)
{
if((camera.movementflags & ~mask) == 0 && camera.movementflags != 0)
{
g_source_remove(camera.m_keymove_handler);
camera.m_keymove_handler = 0;
}
camera.movementflags &= ~mask;
}
void Camera_MoveForward_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_FORWARD);
}
void Camera_MoveForward_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_FORWARD);
}
void Camera_MoveBack_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_BACK);
}
void Camera_MoveBack_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_BACK);
}
void Camera_MoveLeft_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_STRAFELEFT);
}
void Camera_MoveLeft_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_STRAFELEFT);
}
void Camera_MoveRight_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_STRAFERIGHT);
}
void Camera_MoveRight_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_STRAFERIGHT);
}
void Camera_MoveUp_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_UP);
}
void Camera_MoveUp_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_UP);
}
void Camera_MoveDown_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_DOWN);
}
void Camera_MoveDown_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_DOWN);
}
void Camera_RotateLeft_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_ROTLEFT);
}
void Camera_RotateLeft_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_ROTLEFT);
}
void Camera_RotateRight_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_ROTRIGHT);
}
void Camera_RotateRight_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_ROTRIGHT);
}
void Camera_PitchUp_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_PITCHUP);
}
void Camera_PitchUp_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_PITCHUP);
}
void Camera_PitchDown_KeyDown(camera_t& camera)
{
Camera_setMovementFlags(camera, MOVE_PITCHDOWN);
}
void Camera_PitchDown_KeyUp(camera_t& camera)
{
Camera_clearMovementFlags(camera, MOVE_PITCHDOWN);
}
typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyDown> FreeMoveCameraMoveForwardKeyDownCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveForward_KeyUp> FreeMoveCameraMoveForwardKeyUpCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyDown> FreeMoveCameraMoveBackKeyDownCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveBack_KeyUp> FreeMoveCameraMoveBackKeyUpCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyDown> FreeMoveCameraMoveLeftKeyDownCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveLeft_KeyUp> FreeMoveCameraMoveLeftKeyUpCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyDown> FreeMoveCameraMoveRightKeyDownCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveRight_KeyUp> FreeMoveCameraMoveRightKeyUpCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyDown> FreeMoveCameraMoveUpKeyDownCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveUp_KeyUp> FreeMoveCameraMoveUpKeyUpCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyDown> FreeMoveCameraMoveDownKeyDownCaller;
typedef ReferenceCaller<camera_t, &Camera_MoveDown_KeyUp> FreeMoveCameraMoveDownKeyUpCaller;
#define SPEED_MOVE 32
#define SPEED_TURN 22.5
void Camera_MoveForward_Discrete(camera_t& camera)
{
Camera_Move_updateAxes(camera);
Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, SPEED_MOVE)));
}
void Camera_MoveBack_Discrete(camera_t& camera)
{
Camera_Move_updateAxes(camera);
Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.forward, -SPEED_MOVE)));
}
void Camera_MoveUp_Discrete(camera_t& camera)
{
Vector3 origin(Camera_getOrigin(camera));
origin[2] += SPEED_MOVE;
Camera_setOrigin(camera, origin);
}
void Camera_MoveDown_Discrete(camera_t& camera)
{
Vector3 origin(Camera_getOrigin(camera));
origin[2] -= SPEED_MOVE;
Camera_setOrigin(camera, origin);
}
void Camera_MoveLeft_Discrete(camera_t& camera)
{
Camera_Move_updateAxes(camera);
Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, -SPEED_MOVE)));
}
void Camera_MoveRight_Discrete(camera_t& camera)
{
Camera_Move_updateAxes(camera);
Camera_setOrigin(camera, vector3_added(Camera_getOrigin(camera), vector3_scaled(camera.right, SPEED_MOVE)));
}
void Camera_RotateLeft_Discrete(camera_t& camera)
{
Vector3 angles(Camera_getAngles(camera));
angles[CAMERA_YAW] += SPEED_TURN;
Camera_setAngles(camera, angles);
}
void Camera_RotateRight_Discrete(camera_t& camera)
{
Vector3 angles(Camera_getAngles(camera));
angles[CAMERA_YAW] -= SPEED_TURN;
Camera_setAngles(camera, angles);
}
void Camera_PitchUp_Discrete(camera_t& camera)
{
Vector3 angles(Camera_getAngles(camera));
angles[CAMERA_PITCH] += SPEED_TURN;
if (angles[CAMERA_PITCH] > 90)
angles[CAMERA_PITCH] = 90;
Camera_setAngles(camera, angles);
}
void Camera_PitchDown_Discrete(camera_t& camera)
{
Vector3 angles(Camera_getAngles(camera));
angles[CAMERA_PITCH] -= SPEED_TURN;
if (angles[CAMERA_PITCH] < -90)
angles[CAMERA_PITCH] = -90;
Camera_setAngles(camera, angles);
}
class RadiantCameraView : public CameraView
{
camera_t& m_camera;
View* m_view;
Callback m_update;
public:
RadiantCameraView(camera_t& camera, View* view, const Callback& update) : m_camera(camera), m_view(view), m_update(update)
{
}
void update()
{
m_view->Construct(m_camera.projection, m_camera.modelview, m_camera.width, m_camera.height);
m_update();
}
void setModelview(const Matrix4& modelview)
{
m_camera.modelview = modelview;
matrix4_multiply_by_matrix4(m_camera.modelview, g_radiant2opengl);
matrix4_affine_invert(m_camera.modelview);
Camera_updateVectors(m_camera);
update();
}
void setFieldOfView(float fieldOfView)
{
float farClip = Camera_getFarClipPlane(m_camera);
m_camera.projection = projection_for_camera(farClip / 4096.0f, farClip, fieldOfView, m_camera.width, m_camera.height);
update();
}
};
void Camera_motionDelta(int x, int y, unsigned int state, void* data)
{
reinterpret_cast<camera_t*>(data)->m_mouseMove.motion_delta(x, y, state);
}
class CamWnd
{
View m_view;
camera_t m_Camera;
RadiantCameraView m_cameraview;
#if 0
int m_PositionDragCursorX;
int m_PositionDragCursorY;
#endif
guint m_freemove_handle_focusout;
static Shader* m_state_select1;
static Shader* m_state_select2;
FreezePointer m_freezePointer;
public:
GtkWidget* m_gl_widget;
GtkWindow* m_parent;
SelectionSystemWindowObserver* m_window_observer;
XORRectangle m_XORRectangle;
DeferredDraw m_deferredDraw;
DeferredMotion m_deferred_motion;
guint m_selection_button_press_handler;
guint m_selection_button_release_handler;
guint m_selection_motion_handler;
guint m_freelook_button_press_handler;
guint m_sizeHandler;
guint m_exposeHandler;
CamWnd();
~CamWnd();
bool m_drawing;
void queue_draw()
{
//ASSERT_MESSAGE(!m_drawing, "CamWnd::queue_draw(): called while draw is already in progress");
if(m_drawing)
{
return;
}
//globalOutputStream() << "queue... ";
m_deferredDraw.draw();
}
void draw();
static void captureStates()
{
m_state_select1 = GlobalShaderCache().capture("$CAM_HIGHLIGHT");
m_state_select2 = GlobalShaderCache().capture("$CAM_OVERLAY");
}
static void releaseStates()
{
GlobalShaderCache().release("$CAM_HIGHLIGHT");
GlobalShaderCache().release("$CAM_OVERLAY");
}
camera_t& getCamera()
{
return m_Camera;
};
void BenchMark();
void Cam_ChangeFloor(bool up);
void DisableFreeMove();
void EnableFreeMove();
bool m_bFreeMove;
CameraView& getCameraView()
{
return m_cameraview;
}
private:
void Cam_Draw();
};
typedef MemberCaller<CamWnd, &CamWnd::queue_draw> CamWndQueueDraw;
Shader* CamWnd::m_state_select1 = 0;
Shader* CamWnd::m_state_select2 = 0;
CamWnd* NewCamWnd()
{
return new CamWnd;
}
void DeleteCamWnd(CamWnd* camwnd)
{
delete camwnd;
}
void CamWnd_constructStatic()
{
CamWnd::captureStates();
}
void CamWnd_destroyStatic()
{
CamWnd::releaseStates();
}
static CamWnd* g_camwnd = 0;
void GlobalCamera_setCamWnd(CamWnd& camwnd)
{
g_camwnd = &camwnd;
}
GtkWidget* CamWnd_getWidget(CamWnd& camwnd)
{
return camwnd.m_gl_widget;
}
GtkWindow* CamWnd_getParent(CamWnd& camwnd)
{
return camwnd.m_parent;
}
ToggleShown g_camera_shown(true);
void CamWnd_setParent(CamWnd& camwnd, GtkWindow* parent)
{
camwnd.m_parent = parent;
g_camera_shown.connect(GTK_WIDGET(camwnd.m_parent));
}
void CamWnd_Update(CamWnd& camwnd)
{
camwnd.queue_draw();
}
camwindow_globals_t g_camwindow_globals;
const Vector3& Camera_getOrigin(CamWnd& camwnd)
{
return Camera_getOrigin(camwnd.getCamera());
}
void Camera_setOrigin(CamWnd& camwnd, const Vector3& origin)
{
Camera_setOrigin(camwnd.getCamera(), origin);
}
const Vector3& Camera_getAngles(CamWnd& camwnd)
{
return Camera_getAngles(camwnd.getCamera());
}
void Camera_setAngles(CamWnd& camwnd, const Vector3& angles)
{
Camera_setAngles(camwnd.getCamera(), angles);
}
// =============================================================================
// CamWnd class
gboolean enable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
{
if(event->type == GDK_BUTTON_PRESS && event->button == 3)
{
camwnd->EnableFreeMove();
return TRUE;
}
return FALSE;
}
gboolean disable_freelook_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
{
if(event->type == GDK_BUTTON_PRESS && event->button == 3)
{
camwnd->DisableFreeMove();
return TRUE;
}
return FALSE;
}
#if 0
gboolean mousecontrol_button_press(GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd)
{
if(event->type == GDK_BUTTON_PRESS && event->button == 3)
{
Cam_MouseControl(camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y);
}
return FALSE;
}
#endif
void camwnd_update_xor_rectangle(CamWnd& self, rect_t area)
{
if(GTK_WIDGET_VISIBLE(self.m_gl_widget))
{
self.m_XORRectangle.set(rectangle_from_area(area.min, area.max, self.getCamera().width, self.getCamera().height));
}
}
gboolean selection_button_press(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
{
if(event->type == GDK_BUTTON_PRESS)
{
observer->onMouseDown(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
}
return FALSE;
}
gboolean selection_button_release(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
{
if(event->type == GDK_BUTTON_RELEASE)
{
observer->onMouseUp(WindowVector_forDouble(event->x, event->y), button_for_button(event->button), modifiers_for_state(event->state));
}
return FALSE;
}
void selection_motion(gdouble x, gdouble y, guint state, void* data)
{
//globalOutputStream() << "motion... ";
reinterpret_cast<WindowObserver*>(data)->onMouseMotion(WindowVector_forDouble(x, y), modifiers_for_state(state));
}
inline WindowVector windowvector_for_widget_centre(GtkWidget* widget)
{
return WindowVector(static_cast<float>(widget->allocation.width / 2), static_cast<float>(widget->allocation.height / 2));
}
gboolean selection_button_press_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
{
if(event->type == GDK_BUTTON_PRESS)
{
observer->onMouseDown(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
}
return FALSE;
}
gboolean selection_button_release_freemove(GtkWidget* widget, GdkEventButton* event, WindowObserver* observer)
{
if(event->type == GDK_BUTTON_RELEASE)
{
observer->onMouseUp(windowvector_for_widget_centre(widget), button_for_button(event->button), modifiers_for_state(event->state));
}
return FALSE;
}
gboolean selection_motion_freemove(GtkWidget *widget, GdkEventMotion *event, WindowObserver* observer)
{
observer->onMouseMotion(windowvector_for_widget_centre(widget), modifiers_for_state(event->state));
return FALSE;
}
gboolean wheelmove_scroll(GtkWidget* widget, GdkEventScroll* event, CamWnd* camwnd)
{
if(event->direction == GDK_SCROLL_UP)
{
Camera_Freemove_updateAxes(camwnd->getCamera());
Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
}
else if(event->direction == GDK_SCROLL_DOWN)
{
Camera_Freemove_updateAxes(camwnd->getCamera());
Camera_setOrigin(*camwnd, vector3_added(Camera_getOrigin(*camwnd), vector3_scaled(camwnd->getCamera().forward, -static_cast<float>(g_camwindow_globals_private.m_nMoveSpeed))));
}
return FALSE;
}
gboolean camera_size_allocate(GtkWidget* widget, GtkAllocation* allocation, CamWnd* camwnd)
{
camwnd->getCamera().width = allocation->width;
camwnd->getCamera().height = allocation->height;
Camera_updateProjection(camwnd->getCamera());
camwnd->m_window_observer->onSizeChanged(camwnd->getCamera().width, camwnd->getCamera().height);
camwnd->queue_draw();
return FALSE;
}
gboolean camera_expose(GtkWidget* widget, GdkEventExpose* event, gpointer data)
{
reinterpret_cast<CamWnd*>(data)->draw();
return FALSE;
}
void KeyEvent_connect(const char* name)
{
const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
keydown_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyDown);
keyup_accelerators_add(keyEvent.m_accelerator, keyEvent.m_keyUp);
}
void KeyEvent_disconnect(const char* name)
{
const KeyEvent& keyEvent = GlobalKeyEvents_find(name);
keydown_accelerators_remove(keyEvent.m_accelerator);
keyup_accelerators_remove(keyEvent.m_accelerator);
}
void CamWnd_registerCommands(CamWnd& camwnd)
{
GlobalKeyEvents_insert("CameraForward", Accelerator(GDK_Up),
ReferenceCaller<camera_t, Camera_MoveForward_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_MoveForward_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraBack", Accelerator(GDK_Down),
ReferenceCaller<camera_t, Camera_MoveBack_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_MoveBack_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraLeft", Accelerator(GDK_Left),
ReferenceCaller<camera_t, Camera_RotateLeft_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_RotateLeft_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraRight", Accelerator(GDK_Right),
ReferenceCaller<camera_t, Camera_RotateRight_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_RotateRight_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraStrafeRight", Accelerator(GDK_period),
ReferenceCaller<camera_t, Camera_MoveRight_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_MoveRight_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraStrafeLeft", Accelerator(GDK_comma),
ReferenceCaller<camera_t, Camera_MoveLeft_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_MoveLeft_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraUp", Accelerator('D'),
ReferenceCaller<camera_t, Camera_MoveUp_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_MoveUp_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraDown", Accelerator('C'),
ReferenceCaller<camera_t, Camera_MoveDown_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_MoveDown_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraAngleDown", Accelerator('A'),
ReferenceCaller<camera_t, Camera_PitchDown_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_PitchDown_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraAngleUp", Accelerator('Z'),
ReferenceCaller<camera_t, Camera_PitchUp_KeyDown>(camwnd.getCamera()),
ReferenceCaller<camera_t, Camera_PitchUp_KeyUp>(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraFreeMoveForward", Accelerator(GDK_Up),
FreeMoveCameraMoveForwardKeyDownCaller(camwnd.getCamera()),
FreeMoveCameraMoveForwardKeyUpCaller(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraFreeMoveBack", Accelerator(GDK_Down),
FreeMoveCameraMoveBackKeyDownCaller(camwnd.getCamera()),
FreeMoveCameraMoveBackKeyUpCaller(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraFreeMoveLeft", Accelerator(GDK_Left),
FreeMoveCameraMoveLeftKeyDownCaller(camwnd.getCamera()),
FreeMoveCameraMoveLeftKeyUpCaller(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraFreeMoveRight", Accelerator(GDK_Right),
FreeMoveCameraMoveRightKeyDownCaller(camwnd.getCamera()),
FreeMoveCameraMoveRightKeyUpCaller(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraFreeMoveUp", Accelerator('D'),
FreeMoveCameraMoveUpKeyDownCaller(camwnd.getCamera()),
FreeMoveCameraMoveUpKeyUpCaller(camwnd.getCamera())
);
GlobalKeyEvents_insert("CameraFreeMoveDown", Accelerator('C'),
FreeMoveCameraMoveDownKeyDownCaller(camwnd.getCamera()),
FreeMoveCameraMoveDownKeyUpCaller(camwnd.getCamera())
);
GlobalCommands_insert("CameraForward", ReferenceCaller<camera_t, Camera_MoveForward_Discrete>(camwnd.getCamera()), Accelerator(GDK_Up));
GlobalCommands_insert("CameraBack", ReferenceCaller<camera_t, Camera_MoveBack_Discrete>(camwnd.getCamera()), Accelerator(GDK_Down));
GlobalCommands_insert("CameraLeft", ReferenceCaller<camera_t, Camera_RotateLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_Left));
GlobalCommands_insert("CameraRight", ReferenceCaller<camera_t, Camera_RotateRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_Right));
GlobalCommands_insert("CameraStrafeRight", ReferenceCaller<camera_t, Camera_MoveRight_Discrete>(camwnd.getCamera()), Accelerator(GDK_period));
GlobalCommands_insert("CameraStrafeLeft", ReferenceCaller<camera_t, Camera_MoveLeft_Discrete>(camwnd.getCamera()), Accelerator(GDK_comma));
GlobalCommands_insert("CameraUp", ReferenceCaller<camera_t, Camera_MoveUp_Discrete>(camwnd.getCamera()), Accelerator('D'));
GlobalCommands_insert("CameraDown", ReferenceCaller<camera_t, Camera_MoveDown_Discrete>(camwnd.getCamera()), Accelerator('C'));
GlobalCommands_insert("CameraAngleUp", ReferenceCaller<camera_t, Camera_PitchUp_Discrete>(camwnd.getCamera()), Accelerator('A'));
GlobalCommands_insert("CameraAngleDown", ReferenceCaller<camera_t, Camera_PitchDown_Discrete>(camwnd.getCamera()), Accelerator('Z'));
}
void CamWnd_Move_Enable(CamWnd& camwnd)
{
KeyEvent_connect("CameraForward");
KeyEvent_connect("CameraBack");
KeyEvent_connect("CameraLeft");
KeyEvent_connect("CameraRight");
KeyEvent_connect("CameraStrafeRight");
KeyEvent_connect("CameraStrafeLeft");
KeyEvent_connect("CameraUp");
KeyEvent_connect("CameraDown");
KeyEvent_connect("CameraAngleUp");
KeyEvent_connect("CameraAngleDown");
}
void CamWnd_Move_Disable(CamWnd& camwnd)
{
KeyEvent_disconnect("CameraForward");
KeyEvent_disconnect("CameraBack");
KeyEvent_disconnect("CameraLeft");
KeyEvent_disconnect("CameraRight");
KeyEvent_disconnect("CameraStrafeRight");
KeyEvent_disconnect("CameraStrafeLeft");
KeyEvent_disconnect("CameraUp");
KeyEvent_disconnect("CameraDown");
KeyEvent_disconnect("CameraAngleUp");
KeyEvent_disconnect("CameraAngleDown");
}
void CamWnd_Move_Discrete_Enable(CamWnd& camwnd)
{
command_connect_accelerator("CameraForward");
command_connect_accelerator("CameraBack");
command_connect_accelerator("CameraLeft");
command_connect_accelerator("CameraRight");
command_connect_accelerator("CameraStrafeRight");
command_connect_accelerator("CameraStrafeLeft");
command_connect_accelerator("CameraUp");
command_connect_accelerator("CameraDown");
command_connect_accelerator("CameraAngleUp");
command_connect_accelerator("CameraAngleDown");
}
void CamWnd_Move_Discrete_Disable(CamWnd& camwnd)
{
command_disconnect_accelerator("CameraForward");
command_disconnect_accelerator("CameraBack");
command_disconnect_accelerator("CameraLeft");
command_disconnect_accelerator("CameraRight");
command_disconnect_accelerator("CameraStrafeRight");
command_disconnect_accelerator("CameraStrafeLeft");
command_disconnect_accelerator("CameraUp");
command_disconnect_accelerator("CameraDown");
command_disconnect_accelerator("CameraAngleUp");
command_disconnect_accelerator("CameraAngleDown");
}
void CamWnd_Move_Discrete_Import(CamWnd& camwnd, bool value)
{
if(g_camwindow_globals_private.m_bCamDiscrete)
{
CamWnd_Move_Discrete_Disable(camwnd);
}
else
{
CamWnd_Move_Disable(camwnd);
}
g_camwindow_globals_private.m_bCamDiscrete = value;
if(g_camwindow_globals_private.m_bCamDiscrete)
{
CamWnd_Move_Discrete_Enable(camwnd);
}
else
{
CamWnd_Move_Enable(camwnd);
}
}
void CamWnd_Move_Discrete_Import(bool value)
{
if(g_camwnd != 0)
{
CamWnd_Move_Discrete_Import(*g_camwnd, value);
}
else
{
g_camwindow_globals_private.m_bCamDiscrete = value;
}
}
void CamWnd_Add_Handlers_Move(CamWnd& camwnd)
{
camwnd.m_selection_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(selection_button_press), camwnd.m_window_observer);
camwnd.m_selection_button_release_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_release_event", G_CALLBACK(selection_button_release), camwnd.m_window_observer);
camwnd.m_selection_motion_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "motion_notify_event", G_CALLBACK(DeferredMotion::gtk_motion), &camwnd.m_deferred_motion);
camwnd.m_freelook_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(enable_freelook_button_press), &camwnd);
if(g_camwindow_globals_private.m_bCamDiscrete)
{
CamWnd_Move_Discrete_Enable(camwnd);
}
else
{
CamWnd_Move_Enable(camwnd);
}
}
void CamWnd_Remove_Handlers_Move(CamWnd& camwnd)
{
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
if(g_camwindow_globals_private.m_bCamDiscrete)
{
CamWnd_Move_Discrete_Disable(camwnd);
}
else
{
CamWnd_Move_Disable(camwnd);
}
}
void CamWnd_Add_Handlers_FreeMove(CamWnd& camwnd)
{
camwnd.m_selection_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(selection_button_press_freemove), camwnd.m_window_observer);
camwnd.m_selection_button_release_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_release_event", G_CALLBACK(selection_button_release_freemove), camwnd.m_window_observer);
camwnd.m_selection_motion_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "motion_notify_event", G_CALLBACK(selection_motion_freemove), camwnd.m_window_observer);
camwnd.m_freelook_button_press_handler = g_signal_connect(G_OBJECT(camwnd.m_gl_widget), "button_press_event", G_CALLBACK(disable_freelook_button_press), &camwnd);
KeyEvent_connect("CameraFreeMoveForward");
KeyEvent_connect("CameraFreeMoveBack");
KeyEvent_connect("CameraFreeMoveLeft");
KeyEvent_connect("CameraFreeMoveRight");
KeyEvent_connect("CameraFreeMoveUp");
KeyEvent_connect("CameraFreeMoveDown");
}
void CamWnd_Remove_Handlers_FreeMove(CamWnd& camwnd)
{
KeyEvent_disconnect("CameraFreeMoveForward");
KeyEvent_disconnect("CameraFreeMoveBack");
KeyEvent_disconnect("CameraFreeMoveLeft");
KeyEvent_disconnect("CameraFreeMoveRight");
KeyEvent_disconnect("CameraFreeMoveUp");
KeyEvent_disconnect("CameraFreeMoveDown");
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_press_handler);
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_button_release_handler);
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_selection_motion_handler);
g_signal_handler_disconnect(G_OBJECT(camwnd.m_gl_widget), camwnd.m_freelook_button_press_handler);
}
CamWnd::CamWnd() :
m_view(true),
m_Camera(&m_view, CamWndQueueDraw(*this)),
m_cameraview(m_Camera, &m_view, ReferenceCaller<CamWnd, CamWnd_Update>(*this)),
m_gl_widget(glwidget_new(TRUE)),
m_window_observer(NewWindowObserver()),
m_XORRectangle(m_gl_widget),
m_deferredDraw(WidgetQueueDrawCaller(*m_gl_widget)),
m_deferred_motion(selection_motion, m_window_observer),
m_selection_button_press_handler(0),
m_selection_button_release_handler(0),
m_selection_motion_handler(0),
m_freelook_button_press_handler(0),
m_drawing(false)
{
m_bFreeMove = false;
GlobalWindowObservers_add(m_window_observer);
GlobalWindowObservers_connectWidget(m_gl_widget);
m_window_observer->setRectangleDrawCallback(ReferenceCaller1<CamWnd, rect_t, camwnd_update_xor_rectangle>(*this));
m_window_observer->setView(m_view);
gtk_widget_ref(m_gl_widget);
gtk_widget_set_events(m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK);
GTK_WIDGET_SET_FLAGS (m_gl_widget, GTK_CAN_FOCUS);
m_sizeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "size_allocate", G_CALLBACK(camera_size_allocate), this);
m_exposeHandler = g_signal_connect(G_OBJECT(m_gl_widget), "expose_event", G_CALLBACK(camera_expose), this);
Map_addValidCallback(g_map, DeferredDrawOnMapValidChangedCaller(m_deferredDraw));
CamWnd_registerCommands(*this);
CamWnd_Add_Handlers_Move(*this);
g_signal_connect(G_OBJECT(m_gl_widget), "scroll_event", G_CALLBACK(wheelmove_scroll), this);
AddSceneChangeCallback(ReferenceCaller<CamWnd, CamWnd_Update>(*this));
PressedButtons_connect(g_pressedButtons, m_gl_widget);
}
CamWnd::~CamWnd()
{
if(m_bFreeMove)
{
DisableFreeMove();
}
CamWnd_Remove_Handlers_Move(*this);
g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_sizeHandler);
g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_exposeHandler);
gtk_widget_unref(m_gl_widget);
m_window_observer->release();
}
class FloorHeightWalker : public scene::Graph::Walker
{
float m_current;
float& m_bestUp;
float& m_bestDown;
public:
FloorHeightWalker(float current, float& bestUp, float& bestDown) :
m_current(current), m_bestUp(bestUp), m_bestDown(bestDown)
{
bestUp = g_MaxWorldCoord;
bestDown = -g_MaxWorldCoord;
}
bool pre(const scene::Path& path, scene::Instance& instance) const
{
if(path.top().get().visible()
&& Node_isBrush(path.top())) // this node is a floor
{
const AABB& aabb = instance.worldAABB();
float floorHeight = aabb.origin.z() + aabb.extents.z();
if(floorHeight > m_current && floorHeight < m_bestUp)
{
m_bestUp = floorHeight;
}
if(floorHeight < m_current && floorHeight > m_bestDown)
{
m_bestDown = floorHeight;
}
}
return true;
}
};
void CamWnd::Cam_ChangeFloor(bool up)
{
float current = m_Camera.origin[2] - 48;
float bestUp;
float bestDown;
GlobalSceneGraph().traverse(FloorHeightWalker(current, bestUp, bestDown));
if(up && bestUp != g_MaxWorldCoord)
{
current = bestUp;
}
if(!up && bestDown != -g_MaxWorldCoord)
{
current = bestDown;
}
m_Camera.origin[2] = current + 48;
Camera_updateModelview(getCamera());
CamWnd_Update(*this);
CameraMovedNotify();
}
#if 0
// button_press
Sys_GetCursorPos(&m_PositionDragCursorX, &m_PositionDragCursorY);
// motion
if ( (m_bFreeMove && (buttons == (RAD_CONTROL|RAD_SHIFT)))
|| (!m_bFreeMove && (buttons == (RAD_RBUTTON|RAD_CONTROL))) )
{
Cam_PositionDrag();
CamWnd_Update(camwnd);
CameraMovedNotify();
return;
}
void CamWnd::Cam_PositionDrag()
{
int x, y;
Sys_GetCursorPos(GTK_WINDOW(m_gl_widget), &x, &y);
if (x != m_PositionDragCursorX || y != m_PositionDragCursorY)
{
x -= m_PositionDragCursorX;
vector3_add(m_Camera.origin, vector3_scaled(m_Camera.vright, x));
y -= m_PositionDragCursorY;
m_Camera.origin[2] -= y;
Camera_updateModelview();
CamWnd_Update(camwnd);
CameraMovedNotify();
Sys_SetCursorPos(GTK_WINDOW(m_parent), m_PositionDragCursorX, m_PositionDragCursorY);
}
}
#endif
// NOTE TTimo if there's an OS-level focus out of the application
// then we can release the camera cursor grab
static gboolean camwindow_freemove_focusout(GtkWidget* widget, GdkEventFocus* event, gpointer data)
{
reinterpret_cast<CamWnd*>(data)->DisableFreeMove();
return FALSE;
}
void CamWnd::EnableFreeMove()
{
#if 0
globalOutputStream() << "EnableFreeMove\n";
#endif
ASSERT_MESSAGE(!m_bFreeMove, "EnableFreeMove: free-move was already enabled");
m_bFreeMove = true;
Camera_clearMovementFlags(getCamera(), MOVE_ALL);
CamWnd_Remove_Handlers_Move(*this);
CamWnd_Add_Handlers_FreeMove(*this);
gtk_window_set_focus(m_parent, m_gl_widget);
m_freemove_handle_focusout = g_signal_connect(G_OBJECT(m_gl_widget), "focus_out_event", G_CALLBACK(camwindow_freemove_focusout), this);
m_freezePointer.freeze_pointer(m_parent, Camera_motionDelta, &m_Camera);
CamWnd_Update(*this);
}
void CamWnd::DisableFreeMove()
{
#if 0
globalOutputStream() << "DisableFreeMove\n";
#endif
ASSERT_MESSAGE(m_bFreeMove, "DisableFreeMove: free-move was not enabled");
m_bFreeMove = false;
Camera_clearMovementFlags(getCamera(), MOVE_ALL);
CamWnd_Remove_Handlers_FreeMove(*this);
CamWnd_Add_Handlers_Move(*this);
m_freezePointer.unfreeze_pointer(m_parent);
g_signal_handler_disconnect(G_OBJECT(m_gl_widget), m_freemove_handle_focusout);
CamWnd_Update(*this);
}
#include "renderer.h"
class CamRenderer: public Renderer
{
struct state_type
{
state_type() : m_highlight(0), m_state(0), m_lights(0)
{
}
unsigned int m_highlight;
Shader* m_state;
const LightList* m_lights;
};
std::vector<state_type> m_state_stack;
RenderStateFlags m_globalstate;
Shader* m_state_select0;
Shader* m_state_select1;
const Vector3& m_viewer;
public:
CamRenderer(RenderStateFlags globalstate, Shader* select0, Shader* select1, const Vector3& viewer) :
m_globalstate(globalstate),
m_state_select0(select0),
m_state_select1(select1),
m_viewer(viewer)
{
ASSERT_NOTNULL(select0);
ASSERT_NOTNULL(select1);
m_state_stack.push_back(state_type());
}
void SetState(Shader* state, EStyle style)
{
ASSERT_NOTNULL(state);
if(style == eFullMaterials)
{
m_state_stack.back().m_state = state;
}
}
const EStyle getStyle() const
{
return eFullMaterials;
}
void PushState()
{
m_state_stack.push_back(m_state_stack.back());
}
void PopState()
{
ASSERT_MESSAGE(!m_state_stack.empty(), "popping empty stack");
m_state_stack.pop_back();
}
void Highlight(EHighlightMode mode, bool bEnable = true)
{
(bEnable)
? m_state_stack.back().m_highlight |= mode
: m_state_stack.back().m_highlight &= ~mode;
}
void setLights(const LightList& lights)
{
m_state_stack.back().m_lights = &lights;
}
void addRenderable(const OpenGLRenderable& renderable, const Matrix4& world)
{
if(m_state_stack.back().m_highlight & ePrimitive)
{
m_state_select0->addRenderable(renderable, world, m_state_stack.back().m_lights);
}
if(m_state_stack.back().m_highlight & eFace)
{
m_state_select1->addRenderable(renderable, world, m_state_stack.back().m_lights);
}
m_state_stack.back().m_state->addRenderable(renderable, world, m_state_stack.back().m_lights);
}
void render(const Matrix4& modelview, const Matrix4& projection)
{
GlobalShaderCache().render(m_globalstate, modelview, projection, m_viewer);
}
};
/*
==============
Cam_Draw
==============
*/
void CamWnd::Cam_Draw()
{
glViewport(0, 0, m_Camera.width, m_Camera.height);
#if 0
GLint viewprt[4];
glGetIntegerv (GL_VIEWPORT, viewprt);
#endif
// enable depth buffer writes
glDepthMask(GL_TRUE);
Vector3 clearColour(0, 0, 0);
if(m_Camera.draw_mode != cd_lighting)
{
clearColour = g_camwindow_globals.color_cameraback;
}
glClearColor(clearColour[0], clearColour[1], clearColour[2], 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
extern void Renderer_ResetStats();
Renderer_ResetStats();
extern void Cull_ResetStats();
Cull_ResetStats();
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.projection));
glMatrixMode(GL_MODELVIEW);
glLoadMatrixf(reinterpret_cast<const float*>(&m_Camera.modelview));
// one directional light source directly behind the viewer
{
GLfloat inverse_cam_dir[4], ambient[4], diffuse[4];//, material[4];
ambient[0] = ambient[1] = ambient[2] = 0.4f;
ambient[3] = 1.0f;
diffuse[0] = diffuse[1] = diffuse[2] = 0.4f;
diffuse[3] = 1.0f;
//material[0] = material[1] = material[2] = 0.8f;
//material[3] = 1.0f;
inverse_cam_dir[0] = m_Camera.vpn[0];
inverse_cam_dir[1] = m_Camera.vpn[1];
inverse_cam_dir[2] = m_Camera.vpn[2];
inverse_cam_dir[3] = 0;
glLightfv(GL_LIGHT0, GL_POSITION, inverse_cam_dir);
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
glEnable(GL_LIGHT0);
}
unsigned int globalstate = RENDER_DEPTHTEST|RENDER_COLOURWRITE|RENDER_DEPTHWRITE|RENDER_ALPHATEST|RENDER_BLEND|RENDER_CULLFACE|RENDER_COLOUR|RENDER_OFFSETLINE;
switch (m_Camera.draw_mode)
{
case cd_wire:
break;
case cd_solid:
globalstate |= RENDER_FILL
| RENDER_LIGHTING
| RENDER_SMOOTH
| RENDER_SCALED;
break;
case cd_texture:
globalstate |= RENDER_FILL
| RENDER_LIGHTING
| RENDER_TEXTURE
| RENDER_SMOOTH
| RENDER_SCALED;
break;
case cd_lighting:
globalstate |= RENDER_FILL
| RENDER_LIGHTING
| RENDER_TEXTURE
| RENDER_SMOOTH
| RENDER_SCALED
| RENDER_BUMP
| RENDER_PROGRAM
| RENDER_SCREEN;
break;
default:
globalstate = 0;
break;
}
if(!g_xywindow_globals.m_bNoStipple)
{
globalstate |= RENDER_LINESTIPPLE|RENDER_POLYGONSTIPPLE;
}
{
CamRenderer renderer(globalstate, m_state_select2, m_state_select1, m_view.getViewer());
Scene_Render(renderer, m_view);
renderer.render(m_Camera.modelview, m_Camera.projection);
}
// prepare for 2d stuff
glColor4f(1, 1, 1, 1);
glDisable(GL_BLEND);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, (float)m_Camera.width, 0, (float)m_Camera.height, -100, 100);
glScalef(1, -1, 1);
glTranslatef(0, -(float)m_Camera.height, 0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if(GlobalOpenGL().GL_1_3())
{
glClientActiveTexture(GL_TEXTURE0);
glActiveTexture(GL_TEXTURE0);
}
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_DEPTH_TEST);
glColor3f( 1.f, 1.f, 1.f );
glLineWidth(1);
// draw the crosshair
if (m_bFreeMove)
{
glBegin( GL_LINES );
glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 6 );
glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f + 2 );
glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 6 );
glVertex2f( (float)m_Camera.width / 2.f, (float)m_Camera.height / 2.f - 2 );
glVertex2f( (float)m_Camera.width / 2.f + 6, (float)m_Camera.height / 2.f );
glVertex2f( (float)m_Camera.width / 2.f + 2, (float)m_Camera.height / 2.f );
glVertex2f( (float)m_Camera.width / 2.f - 6, (float)m_Camera.height / 2.f );
glVertex2f( (float)m_Camera.width / 2.f - 2, (float)m_Camera.height / 2.f );
glEnd();
}
glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 1.0f, 0.0f);
extern const char* Renderer_GetStats();
GlobalOpenGL().drawString(Renderer_GetStats());
glRasterPos3f(1.0f, static_cast<float>(m_Camera.height) - 11.0f, 0.0f);
extern const char* Cull_GetStats();
GlobalOpenGL().drawString(Cull_GetStats());
// bind back to the default texture so that we don't have problems
// elsewhere using/modifying texture maps between contexts
glBindTexture( GL_TEXTURE_2D, 0 );
}
void CamWnd::draw()
{
m_drawing = true;
//globalOutputStream() << "draw...\n";
if (glwidget_make_current(m_gl_widget) != FALSE)
{
if(Map_Valid(g_map) && ScreenUpdates_Enabled())
{
GlobalOpenGL_debugAssertNoErrors();
Cam_Draw();
GlobalOpenGL_debugAssertNoErrors();
//qglFinish();
m_XORRectangle.set(rectangle_t());
}
glwidget_swap_buffers(m_gl_widget);
}
m_drawing = false;
}
void CamWnd::BenchMark()
{
double dStart = Sys_DoubleTime();
for (int i=0 ; i < 100 ; i++)
{
Vector3 angles;
angles[CAMERA_ROLL] = 0;
angles[CAMERA_PITCH] = 0;
angles[CAMERA_YAW] = static_cast<float>(i * (360.0 / 100.0));
Camera_setAngles(*this, angles);
}
double dEnd = Sys_DoubleTime();
globalOutputStream() << FloatFormat(dEnd - dStart, 5, 2), " seconds\n";
}
void fill_view_camera_menu(GtkMenu* menu)
{
create_check_menu_item_with_mnemonic(menu, "Camera View", "ToggleCamera");
}
void GlobalCamera_ResetAngles()
{
CamWnd& camwnd = *g_camwnd;
Vector3 angles;
angles[CAMERA_ROLL] = angles[CAMERA_PITCH] = 0;
angles[CAMERA_YAW] = static_cast<float>(22.5 * floor((Camera_getAngles(camwnd)[CAMERA_YAW]+11)/22.5));
Camera_setAngles(camwnd, angles);
}
void Camera_ChangeFloorUp()
{
CamWnd& camwnd = *g_camwnd;
camwnd.Cam_ChangeFloor (true);
}
void Camera_ChangeFloorDown()
{
CamWnd& camwnd = *g_camwnd;
camwnd.Cam_ChangeFloor (false);
}
void Camera_CubeIn()
{
CamWnd& camwnd = *g_camwnd;
g_camwindow_globals.m_nCubicScale--;
if (g_camwindow_globals.m_nCubicScale < 1)
g_camwindow_globals.m_nCubicScale = 1;
Camera_updateProjection(camwnd.getCamera());
CamWnd_Update(camwnd);
g_pParentWnd->SetGridStatus();
}
void Camera_CubeOut()
{
CamWnd& camwnd = *g_camwnd;
g_camwindow_globals.m_nCubicScale++;
if (g_camwindow_globals.m_nCubicScale > 23)
g_camwindow_globals.m_nCubicScale = 23;
Camera_updateProjection(camwnd.getCamera());
CamWnd_Update(camwnd);
g_pParentWnd->SetGridStatus();
}
bool Camera_GetFarClip()
{
return g_camwindow_globals_private.m_bCubicClipping;
}
BoolExportCaller g_getfarclip_caller(g_camwindow_globals_private.m_bCubicClipping);
ToggleItem g_getfarclip_item(g_getfarclip_caller);
void Camera_SetFarClip(bool value)
{
CamWnd& camwnd = *g_camwnd;
g_camwindow_globals_private.m_bCubicClipping = value;
g_getfarclip_item.update();
Camera_updateProjection(camwnd.getCamera());
CamWnd_Update(camwnd);
}
void Camera_ToggleFarClip()
{
Camera_SetFarClip(!Camera_GetFarClip());
}
void CamWnd_constructToolbar(GtkToolbar* toolbar)
{
toolbar_append_toggle_button(toolbar, "Cubic clip the camera view", "view_cubicclipping.bmp", "ToggleCubicClip");
}
void CamWnd_registerShortcuts()
{
toggle_add_accelerator("ToggleCubicClip");
}
void GlobalCamera_Benchmark()
{
CamWnd& camwnd = *g_camwnd;
camwnd.BenchMark();
}
void GlobalCamera_Update()
{
CamWnd& camwnd = *g_camwnd;
CamWnd_Update(camwnd);
}
camera_draw_mode CamWnd_GetMode()
{
return camera_t::draw_mode;
}
void CamWnd_SetMode(camera_draw_mode mode)
{
ShaderCache_setBumpEnabled(mode == cd_lighting);
camera_t::draw_mode = mode;
if(g_camwnd != 0)
{
CamWnd_Update(*g_camwnd);
}
}
CameraModel* g_camera_model = 0;
void CamWnd_LookThroughCamera(CamWnd& camwnd)
{
if(g_camera_model != 0)
{
CamWnd_Add_Handlers_Move(camwnd);
g_camera_model->setCameraView(0, Callback());
g_camera_model = 0;
Camera_updateModelview(camwnd.getCamera());
Camera_updateProjection(camwnd.getCamera());
CamWnd_Update(camwnd);
}
}
inline CameraModel* Instance_getCameraModel(scene::Instance& instance)
{
return InstanceTypeCast<CameraModel>::cast(instance);
}
void CamWnd_LookThroughSelected(CamWnd& camwnd)
{
if(g_camera_model != 0)
{
CamWnd_LookThroughCamera(camwnd);
}
if(GlobalSelectionSystem().countSelected() != 0)
{
scene::Instance& instance = GlobalSelectionSystem().ultimateSelected();
CameraModel* cameraModel = Instance_getCameraModel(instance);
if(cameraModel != 0)
{
CamWnd_Remove_Handlers_Move(camwnd);
g_camera_model = cameraModel;
g_camera_model->setCameraView(&camwnd.getCameraView(), ReferenceCaller<CamWnd, CamWnd_LookThroughCamera>(camwnd));
}
}
}
void GlobalCamera_LookThroughSelected()
{
CamWnd_LookThroughSelected(*g_camwnd);
}
void GlobalCamera_LookThroughCamera()
{
CamWnd_LookThroughCamera(*g_camwnd);
}
void RenderModeImport(int value)
{
switch(value)
{
case 0:
CamWnd_SetMode(cd_wire);
break;
case 1:
CamWnd_SetMode(cd_solid);
break;
case 2:
CamWnd_SetMode(cd_texture);
break;
case 3:
CamWnd_SetMode(cd_lighting);
break;
default:
CamWnd_SetMode(cd_texture);
}
}
typedef FreeCaller1<int, RenderModeImport> RenderModeImportCaller;
void RenderModeExport(const IntImportCallback& importer)
{
switch(CamWnd_GetMode())
{
case cd_wire:
importer(0);
break;
case cd_solid:
importer(1);
break;
case cd_texture:
importer(2);
break;
case cd_lighting:
importer(3);
break;
}
}
typedef FreeCaller1<const IntImportCallback&, RenderModeExport> RenderModeExportCaller;
void Camera_constructPreferences(PreferencesPage& page)
{
page.appendSlider("Movement Speed", g_camwindow_globals_private.m_nMoveSpeed, TRUE, 0, 0, 100, 50, 300, 1, 10, 10);
page.appendSlider("Rotation Speed", g_camwindow_globals_private.m_nAngleSpeed, TRUE, 0, 0, 3, 1, 180, 1, 10, 10);
page.appendCheckBox("", "Invert mouse vertical axis", g_camwindow_globals_private.m_bCamInverseMouse);
page.appendCheckBox(
"", "Discrete movement",
FreeCaller1<bool, CamWnd_Move_Discrete_Import>(),
BoolExportCaller(g_camwindow_globals_private.m_bCamDiscrete)
);
page.appendCheckBox(
"", "Enable far-clip plane",
FreeCaller1<bool, Camera_SetFarClip>(),
BoolExportCaller(g_camwindow_globals_private.m_bCubicClipping)
);
if(g_pGameDescription->mGameType == "doom3")
{
const char* render_mode[] = { "Wireframe", "Flatshade", "Textured", "Lighting" };
page.appendCombo(
"Render Mode",
STRING_ARRAY_RANGE(render_mode),
IntImportCallback(RenderModeImportCaller()),
IntExportCallback(RenderModeExportCaller())
);
}
else
{
const char* render_mode[] = { "Wireframe", "Flatshade", "Textured" };
page.appendCombo(
"Render Mode",
STRING_ARRAY_RANGE(render_mode),
IntImportCallback(RenderModeImportCaller()),
IntExportCallback(RenderModeExportCaller())
);
}
}
void Camera_constructPage(PreferenceGroup& group)
{
PreferencesPage page(group.createPage("Camera", "Camera View Preferences"));
Camera_constructPreferences(page);
}
void Camera_registerPreferencesPage()
{
PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Camera_constructPage>());
}
#include "preferencesystem.h"
#include "stringio.h"
#include "dialog.h"
typedef FreeCaller1<bool, CamWnd_Move_Discrete_Import> CamWndMoveDiscreteImportCaller;
void CamWnd_Construct()
{
GlobalCommands_insert("CenterView", FreeCaller<GlobalCamera_ResetAngles>(), Accelerator(GDK_End));
GlobalToggles_insert("ToggleCubicClip", FreeCaller<Camera_ToggleFarClip>(), ToggleItem::AddCallbackCaller(g_getfarclip_item), Accelerator('\\', (GdkModifierType)GDK_CONTROL_MASK));
GlobalCommands_insert("CubicClipZoomIn", FreeCaller<Camera_CubeIn>(), Accelerator('[', (GdkModifierType)GDK_CONTROL_MASK));
GlobalCommands_insert("CubicClipZoomOut", FreeCaller<Camera_CubeOut>(), Accelerator(']', (GdkModifierType)GDK_CONTROL_MASK));
GlobalCommands_insert("UpFloor", FreeCaller<Camera_ChangeFloorUp>(), Accelerator(GDK_Prior));
GlobalCommands_insert("DownFloor", FreeCaller<Camera_ChangeFloorDown>(), Accelerator(GDK_Next));
GlobalToggles_insert("ToggleCamera", ToggleShown::ToggleCaller(g_camera_shown), ToggleItem::AddCallbackCaller(g_camera_shown.m_item), Accelerator('C', (GdkModifierType)(GDK_SHIFT_MASK|GDK_CONTROL_MASK)));
GlobalCommands_insert("LookThroughSelected", FreeCaller<GlobalCamera_LookThroughSelected>());
GlobalCommands_insert("LookThroughCamera", FreeCaller<GlobalCamera_LookThroughCamera>());
GlobalShortcuts_insert("CameraForward", Accelerator(GDK_Up));
GlobalShortcuts_insert("CameraBack", Accelerator(GDK_Down));
GlobalShortcuts_insert("CameraLeft", Accelerator(GDK_Left));
GlobalShortcuts_insert("CameraRight", Accelerator(GDK_Right));
GlobalShortcuts_insert("CameraStrafeRight", Accelerator(GDK_period));
GlobalShortcuts_insert("CameraStrafeLeft", Accelerator(GDK_comma));
GlobalShortcuts_insert("CameraUp", Accelerator('D'));
GlobalShortcuts_insert("CameraDown", Accelerator('C'));
GlobalShortcuts_insert("CameraAngleUp", Accelerator('A'));
GlobalShortcuts_insert("CameraAngleDown", Accelerator('Z'));
GlobalShortcuts_insert("CameraFreeMoveForward", Accelerator(GDK_Up));
GlobalShortcuts_insert("CameraFreeMoveBack", Accelerator(GDK_Down));
GlobalShortcuts_insert("CameraFreeMoveLeft", Accelerator(GDK_Left));
GlobalShortcuts_insert("CameraFreeMoveRight", Accelerator(GDK_Right));
GlobalPreferenceSystem().registerPreference("MoveSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nMoveSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nMoveSpeed));
GlobalPreferenceSystem().registerPreference("AngleSpeed", IntImportStringCaller(g_camwindow_globals_private.m_nAngleSpeed), IntExportStringCaller(g_camwindow_globals_private.m_nAngleSpeed));
GlobalPreferenceSystem().registerPreference("CamInverseMouse", BoolImportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse), BoolExportStringCaller(g_camwindow_globals_private.m_bCamInverseMouse));
GlobalPreferenceSystem().registerPreference("CamDiscrete", makeBoolStringImportCallback(CamWndMoveDiscreteImportCaller()), BoolExportStringCaller(g_camwindow_globals_private.m_bCamDiscrete));
GlobalPreferenceSystem().registerPreference("CubicClipping", BoolImportStringCaller(g_camwindow_globals_private.m_bCubicClipping), BoolExportStringCaller(g_camwindow_globals_private.m_bCubicClipping));
GlobalPreferenceSystem().registerPreference("CubicScale", IntImportStringCaller(g_camwindow_globals.m_nCubicScale), IntExportStringCaller(g_camwindow_globals.m_nCubicScale));
GlobalPreferenceSystem().registerPreference("SI_Colors4", Vector3ImportStringCaller(g_camwindow_globals.color_cameraback), Vector3ExportStringCaller(g_camwindow_globals.color_cameraback));
GlobalPreferenceSystem().registerPreference("SI_Colors12", Vector3ImportStringCaller(g_camwindow_globals.color_selbrushes3d), Vector3ExportStringCaller(g_camwindow_globals.color_selbrushes3d));
GlobalPreferenceSystem().registerPreference("CameraRenderMode", makeIntStringImportCallback(RenderModeImportCaller()), makeIntStringExportCallback(RenderModeExportCaller()));
CamWnd_constructStatic();
Camera_registerPreferencesPage();
}
void CamWnd_Destroy()
{
CamWnd_destroyStatic();
}
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