diff options
Diffstat (limited to 'src/client/camera.cc')
| -rw-r--r-- | src/client/camera.cc | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/src/client/camera.cc b/src/client/camera.cc deleted file mode 100644 index cbed115..0000000 --- a/src/client/camera.cc +++ /dev/null @@ -1,346 +0,0 @@ -/* - client/camera.cc - This file is part of the Osirion project and is distributed under - the terms and conditions of the GNU General Public License version 2 -*/ - -#include "math/mathlib.h" -#include "math/matrix4f.h" -#include "core/core.h" -#include "client/client.h" -#include "client/camera.h" -#include "render/render.h" -#include "sys/sys.h" - -using math::degrees360f; -using math::degrees180f; - -using namespace render; - -namespace client -{ - -namespace camera -{ - -// gameworld coordinates of the camera target -math::Vector3f target; -math::Vector3f eye; -math::Axis axis; - -const float MIN_DELTA = 10e-10; - -// current camera mode -Mode mode; - -// private variables - -// current and target yaw angle in XZ plane, positive is looking left -float yaw_current; -float yaw_target; -// movement direction in free mode -float target_direction; - -// current and target pitch angle in XY, positive is looking up -float pitch_current; -float pitch_target; -// movement direction in free mode -float target_pitch; - -float distance; - -// default pitch in mode::Track -const float pitch_track = -15.0f; -const float pitch_overview = -75.0f; - -void set_mode(Mode newmode); - -void init() -{ - yaw_current = 0; - yaw_target = 0; - - pitch_current = pitch_track * 2; - pitch_target = pitch_track; - - target_pitch = 0.0f; - target_direction = 0.0f; - - distance = 0.4f; - - set_mode(Track); - -} - -void shutdown() -{ -} - -void set_mode(Mode newmode) { - - yaw_target = 0; - yaw_current = yaw_target; - pitch_target = pitch_track; - pitch_current = pitch_target; - - target_direction = 0.0f; - target_pitch = 0.0f; - distance = 0.4f; - - axis.clear(); - - switch(newmode) { - case Track: - // switch camera to Track mode - mode = Track; - if (core::localcontrol()) { - if (core::localcontrol()->state()) - axis.assign(core::localcontrol()->state()->axis()); - else - axis.assign(core::localcontrol()->axis()); - } - break; - - case Free: - // switch camera to Free mode - mode = Free; - pitch_target = 2.0 * pitch_track; - pitch_current = pitch_target; - break; - - case Cockpit: - mode = Cockpit; - break; - - case Overview: - // switch camera to Overview mode - mode = Overview; - - default: - break; - } - -} - -void next_mode() -{ - - if (!core::localcontrol()) { - set_mode(Overview); - return; - } - - switch(mode) { - case Free: - // switch camera to Track mode - set_mode(Track); - con_print << "camera mode: track" << std::endl; - break; - - case Track: - // switch camera to Cockpit mode - set_mode(Cockpit); - con_print << "camera mode: cockpit" << std::endl; - break; - - case Cockpit: - // switch camera to Free mode - set_mode(Free); - con_print << "camera mode: free" << std::endl; - break; - - default: - break; - } -} - -void draw(float seconds) -{ - math::Matrix4f matrix; - math::Axis target_axis; - float d = 0; - - if (!core::localcontrol()) { - - if (mode != Overview) { - set_mode(Overview); - } - - target.clear(); - axis.clear(); - pitch_current = pitch_overview; - axis.change_pitch(pitch_current); - - distance = 20.0f; - - } else { - if (mode == Overview) - set_mode(Track); - - if (core::localcontrol()->state()) { - target.assign(core::localcontrol()->state()->location()); - target_axis.assign(core::localcontrol()->state()->axis()); - } else { - target.assign(core::localcontrol()->location()); - target_axis.assign(core::localcontrol()->axis()); - } - - if (mode == Track) { - float cosangle; - float angle; - float side; - float u; - const float cam_speed = seconds; - - math::Vector3f n; - math::Vector3f p; - - // camera axis: pitch - - // project target_axis.up() into the plane with axis->left() normal - n = axis.left(); - p = target_axis.up(); - u = p[0]*n[0] + p[1]*n[1] + p[2]*n[2] / (-n[0]*n[0] - n[1]*n[1] - n[2] * n[2]); - p = target_axis.up() + u * n; - - side = axis.forward().x * p.x + - axis.forward().y * p.y + - axis.forward().z * p.z; - - if ((fabs(side) - MIN_DELTA > 0)) { - - cosangle = math::dotproduct(p, axis.up()); - if (fabs(cosangle) + MIN_DELTA < 1 ) { - angle = acos(cosangle) * 180.0f / M_PI; - angle = math::sgnf(side) * angle * cam_speed; - axis.change_pitch(-angle); - } - } - - // camera axis: direction - - // project target_axis.forward() into the plane with axis.up() normal - n = axis.up(); - p = target_axis.forward(); - u = p[0]*n[0] + p[1]*n[1] + p[2]*n[2] / (-n[0]*n[0] - n[1]*n[1] - n[2] * n[2]); - p = target_axis.forward() + u * n; - - side = axis.left().x * p.x + - axis.left().y * p.y + - axis.left().z * p.z; - - if ((fabs(side) - MIN_DELTA > 0)) { - - cosangle = math::dotproduct(p, axis.forward()); - if (fabs(cosangle) + MIN_DELTA < 1 ) { - angle = acos(cosangle) * 180.0f / M_PI; - angle = math::sgnf(side) * angle * cam_speed; - axis.change_direction(angle); - } - } - - // camera axis: roll - - // project target_axis.up() into the plane with axis.forward() normal - n = axis.forward(); - p = target_axis.up(); - u = p[0]*n[0] + p[1]*n[1] + p[2]*n[2] / (-n[0]*n[0] - n[1]*n[1] - n[2] * n[2]); - p = target_axis.up() + u * n; - - side = axis.left().x * p.x + - axis.left().y * p.y + - axis.left().z * p.z; - - if ((fabs(side) - MIN_DELTA > 0)) { - - cosangle = math::dotproduct(p, axis.up()); - if (fabs(cosangle) + MIN_DELTA < 1 ) { - angle = acos(cosangle) * 180.0f / M_PI; - angle = math::sgnf(side) * angle * cam_speed; - axis.change_roll(angle); - } - } - - distance = 0.0f; - - if (core::localcontrol()->model()) { - target -= (core::localcontrol()->model()->maxbbox().x + 0.1f) * axis.forward(); - target += (core::localcontrol()->model()->maxbbox().z + 0.1f ) * axis.up(); - } - - } else if (mode == Free) { - axis.assign(target_axis); - - yaw_target = yaw_current - 90 * target_direction; - pitch_target = pitch_current - 90 * target_pitch; - - if (core::localcontrol()->model()) { - distance = core::localcontrol()->model()->radius(); - } else { - distance = 1.0f; - } - - // adjust direction - d = degrees180f(yaw_current - yaw_target); - yaw_current = degrees360f( yaw_current - d * seconds); - axis.change_direction(yaw_current); - - // adjust pitch - d = degrees180f(pitch_current - pitch_target); - pitch_current = degrees360f(pitch_current - d * seconds); - axis.change_pitch(pitch_current); - - } else if (mode == Cockpit) { - axis.assign(target_axis); - - if (core::localcontrol()->state() && core::localcontrol()->model()) - target += (core::localcontrol()->model()->maxbbox().x+0.05) * - core::localcontrol()->state()->axis().forward(); - - distance = 0.0f; - } - } - - // map world coordinates to opengl coordinates - gl::rotate(90.0f, 0, 1.0, 0); - gl::rotate(-90.0f, 1.0f , 0, 0); - - // assign transformation matrix - matrix.assign(axis); - - // apply the transpose of the axis transformation (the axis is orhtonormal) - gl::multmatrix(matrix.transpose()); - - // match the camera with the current target - gl::translate(-1.0f * target); - - // apply camera offset - gl::translate((1.0 + distance) * axis.forward()); - - // calculate eye position - eye = target - ((1.0f+distance) * axis.forward()); - eye.assign(target); - -} - -void set_direction(float direction) -{ - target_direction = direction; - math::clamp(target_direction, -1.0f, 1.0f); -} - -void set_pitch(float pitch) -{ - target_pitch = pitch; - math::clamp(target_pitch, -1.0f, 1.0f); -} - -void reset() -{ - set_mode(mode); -} - -} // namespace camera - -} // namespace client - |