diff options
Diffstat (limited to 'src/object/task/taskadvance.cpp')
| -rw-r--r-- | src/object/task/taskadvance.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/object/task/taskadvance.cpp b/src/object/task/taskadvance.cpp new file mode 100644 index 0000000..7860cb2 --- /dev/null +++ b/src/object/task/taskadvance.cpp @@ -0,0 +1,159 @@ +// * This file is part of the COLOBOT source code
+// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
+// *
+// * This program 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 3 of the License, or
+// * (at your option) any later version.
+// *
+// * This program 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 this program. If not, see http://www.gnu.org/licenses/.
+
+// taskadvance.cpp
+
+#define STRICT
+#define D3D_OVERLOADS
+
+#include <windows.h>
+#include <stdio.h>
+#include <d3d.h>
+
+#include "struct.h"
+#include "d3dengine.h"
+#include "math3d.h"
+#include "event.h"
+#include "misc.h"
+#include "iman.h"
+#include "terrain.h"
+#include "object.h"
+#include "physics.h"
+#include "brain.h"
+#include "task.h"
+#include "taskadvance.h"
+
+
+
+
+// Object's constructor.
+
+CTaskAdvance::CTaskAdvance(CInstanceManager* iMan, CObject* object)
+ : CTask(iMan, object)
+{
+ CTask::CTask(iMan, object);
+}
+
+// Object's destructor.
+
+CTaskAdvance::~CTaskAdvance()
+{
+}
+
+
+// Management of an event.
+
+BOOL CTaskAdvance::EventProcess(const Event &event)
+{
+ if ( m_engine->RetPause() ) return TRUE;
+ if ( event.event != EVENT_FRAME ) return TRUE;
+
+ m_fixTime += event.rTime;
+
+ // Momentarily stationary object (ant on the back)?
+ if ( m_object->RetFixed() )
+ {
+ m_physics->SetMotorSpeedX(0.0f); // stops the advance
+ m_physics->SetMotorSpeedZ(0.0f); // stops the rotation
+ m_bError = TRUE;
+ return TRUE;
+ }
+
+ m_timeLimit -= event.rTime;
+ return TRUE;
+}
+
+
+// Assigns the goal was achieved.
+
+Error CTaskAdvance::Start(float length)
+{
+ m_direction = (length>=0.0f)?1.0f:-1.0f;
+ m_totalLength = Abs(length);
+ m_advanceLength = m_physics->RetLinLength(length);
+ m_startPos = m_object->RetPosition(0);
+ m_lastDist = 0.0f;
+ m_fixTime = 0.0f;
+
+ m_timeLimit = m_physics->RetLinTimeLength(m_totalLength, m_direction)*3.0f;
+ if ( m_timeLimit < 2.0f ) m_timeLimit = 2.0f;
+
+ m_physics->SetMotorSpeedX(m_direction*1.0f); // forward/backward
+ m_physics->SetMotorSpeedY(0.0f);
+ m_physics->SetMotorSpeedZ(0.0f);
+
+ m_bError = FALSE;
+ return ERR_OK;
+}
+
+// Indicates whether the action is finished.
+
+Error CTaskAdvance::IsEnded()
+{
+ D3DVECTOR pos;
+ float length;
+
+ if ( m_engine->RetPause() ) return ERR_CONTINUE;
+
+ if ( m_bError )
+ {
+ return ERR_STOP;
+ }
+
+ if ( m_timeLimit < 0.0f )
+ {
+ m_physics->SetMotorSpeedX(0.0f);
+ return ERR_MOVE_IMPOSSIBLE;
+ }
+
+ pos = m_object->RetPosition(0);
+ length = Length2d(pos, m_startPos);
+
+ if ( length > m_lastDist ) // forward?
+ {
+ m_fixTime = 0.0f;
+ }
+ else // still stands?
+ {
+ if ( m_fixTime > 1.0f ) // for more than a second?
+ {
+ m_physics->SetMotorSpeedX(0.0f);
+ return ERR_MOVE_IMPOSSIBLE;
+ }
+ }
+ m_lastDist = length;
+
+ if ( length >= m_totalLength )
+ {
+ m_physics->SetMotorSpeedX(0.0f);
+ m_physics->SetLinMotionX(MO_CURSPEED, 0.0f);
+
+ if ( length != 0.0f )
+ {
+ pos = m_startPos+((pos-m_startPos)*m_totalLength/length);
+ m_object->SetPosition(0, pos);
+ }
+ return ERR_STOP;
+ }
+
+ if ( length >= m_advanceLength )
+ {
+ m_physics->SetMotorSpeedX(m_direction*0.1f);
+ }
+ return ERR_CONTINUE;
+}
+
+
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