gtkradiant/contrib/bobtoolz/DBobView.cpp
TTimo 8037810110 transfer from internal tree r5311 branches/1.4-gpl
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@177 8a3a26a2-13c4-0310-b231-cf6edde360e5
2007-09-12 18:54:28 +00:00

361 lines
8.6 KiB
C++

/*
BobToolz plugin for GtkRadiant
Copyright (C) 2001 Gordon Biggans
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// BobView.cpp: implementation of the DBobView class.
//
//////////////////////////////////////////////////////////////////////
#include "StdAfx.h"
#include "DBobView.h"
#include "DListener.h"
#include "misc.h"
#include "funchandlers.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
DBobView::DBobView()
{
nPathCount = 0;
refCount = 1;
m_bHooked = FALSE;
path = NULL;
eyes = NULL;
boundingShow = BOUNDS_APEX;
}
DBobView::~DBobView()
{
if(path)
delete[] path;
// oops forgot to remove our eyes, was causing access violation when it tried
// to talk to it's parent
if(eyes)
delete eyes;
if(m_bHooked)
UnRegister();
g_PathView = NULL;
}
//////////////////////////////////////////////////////////////////////
// Implementation
//////////////////////////////////////////////////////////////////////
void DBobView::Draw2D(VIEWTYPE vt)
{
if(!path)
return;
g_QglTable.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);
g_QglTable.m_pfn_qglDisable(GL_BLEND);
g_QglTable.m_pfn_qglEnable(GL_LINE_SMOOTH);
g_QglTable.m_pfn_qglPushMatrix();
switch(vt)
{
case XY:
break;
case XZ:
g_QglTable.m_pfn_qglRotatef(270.0f, 1.0f, 0.0f, 0.0f);
break;
case YZ:
g_QglTable.m_pfn_qglRotatef(270.0f, 1.0f, 0.0f, 0.0f);
g_QglTable.m_pfn_qglRotatef(270.0f, 0.0f, 0.0f, 1.0f);
break;
}
g_QglTable.m_pfn_qglLineWidth(1.0f);
g_QglTable.m_pfn_qglColor4f(1.0f, 0.0f, 0.0f, 1.0f);
int i;
g_QglTable.m_pfn_qglBegin(GL_LINE_STRIP);
for(i = 0; i < nPathCount; i++)
g_QglTable.m_pfn_qglVertex3fv(path[i]);
g_QglTable.m_pfn_qglEnd();
if(m_bShowExtra)
{
// +mars
// for the bounding box stuff
g_QglTable.m_pfn_qglColor4f(0.25f, 0.75f, 0.75f, 1.0f);
g_QglTable.m_pfn_qglTranslatef( 16.0f, 16.0f, 28.0f );
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
// ---------------
g_QglTable.m_pfn_qglTranslatef( -16.0f, -16.0f, -28.0f ); // back to where we were
g_QglTable.m_pfn_qglTranslatef( -16.0f, 16.0f, 28.0f ); // move to new postion
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
// --------------
g_QglTable.m_pfn_qglTranslatef( 16.0f, -16.0f, -28.0f ); // back to where we were
g_QglTable.m_pfn_qglTranslatef( 16.0f, -16.0f, -28.0f ); // new pos
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
// ----------------
g_QglTable.m_pfn_qglTranslatef( -16.0f, 16.0f, 28.0f ); // back to where we were
/* g_QglTable.m_pfn_qglTranslatef( -16.0f, -16.0f, -28.0f ); // new pos
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
if ( boundingShow == BOUNDS_ALL )
{
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
}
else if ( boundingShow == BOUNDS_APEX )
{
for ( i = (nPathCount/4); i < (nPathCount/4) * 3; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
}
g_QglTable.m_pfn_qglEnd();*/ // djbob: er, um doesn't really seem to do anyhting
}
// -mars
g_QglTable.m_pfn_qglPopMatrix();
g_QglTable.m_pfn_qglPopAttrib();
}
void DBobView::Draw3D()
{
if(!path)
return;
g_QglTable.m_pfn_qglPushAttrib(GL_ALL_ATTRIB_BITS);
g_QglTable.m_pfn_qglDisable(GL_BLEND);
g_QglTable.m_pfn_qglEnable(GL_LINE_SMOOTH);
g_QglTable.m_pfn_qglLineWidth(1.0f);
g_QglTable.m_pfn_qglColor4f(1.0f, 0.0f, 0.0f, 1.0f);
g_QglTable.m_pfn_qglBegin(GL_LINE_STRIP);
for(int i = 0; i < nPathCount; i++)
g_QglTable.m_pfn_qglVertex3fv(path[i]);
g_QglTable.m_pfn_qglEnd();
if(m_bShowExtra)
{
// +mars
// ahhh -- a nice C&P job :)
// for the bounding box stuff
g_QglTable.m_pfn_qglColor4f(0.25f, 0.75f, 0.75f, 1.0f);
g_QglTable.m_pfn_qglTranslatef( 16.0f, 16.0f, 28.0f );
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
int i;
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
// ---------------
g_QglTable.m_pfn_qglTranslatef( -16.0f, -16.0f, -28.0f ); // back to where we were
g_QglTable.m_pfn_qglTranslatef( -16.0f, 16.0f, 28.0f ); // move to new postion
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
// --------------
g_QglTable.m_pfn_qglTranslatef( 16.0f, -16.0f, -28.0f ); // back to where we were
g_QglTable.m_pfn_qglTranslatef( 16.0f, -16.0f, -28.0f ); // new pos
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
// ----------------
g_QglTable.m_pfn_qglTranslatef( -16.0f, 16.0f, 28.0f ); // back to where we were
g_QglTable.m_pfn_qglTranslatef( -16.0f, -16.0f, -28.0f ); // new pos
g_QglTable.m_pfn_qglBegin( GL_LINE_STRIP );
for ( i = 0; i < nPathCount; i++ )
g_QglTable.m_pfn_qglVertex3fv( path[i] );
g_QglTable.m_pfn_qglEnd();
}
// -mars
g_QglTable.m_pfn_qglPopAttrib();
}
void DBobView::Register()
{
g_QglTable.m_pfnHookGL2DWindow( this );
g_QglTable.m_pfnHookGL3DWindow( this );
m_bHooked = TRUE;
}
void DBobView::UnRegister()
{
g_QglTable.m_pfnUnHookGL2DWindow( this );
g_QglTable.m_pfnUnHookGL3DWindow( this );
m_bHooked = FALSE;
}
void DBobView::SetPath(vec3_t *pPath)
{
if(path)
delete[] path;
path = pPath;
}
#define LOCAL_GRAVITY -800.0f
bool DBobView::CalculateTrajectory(vec3_t start, vec3_t apex, float multiplier, int points, float varGravity)
{
if(apex[2] <= start[2])
{
SetPath(NULL);
return FALSE;
}
// ----think q3a actually would allow these
//scrub that, coz the plugin wont :]
vec3_t dist, speed;
VectorSubtract(apex, start, dist);
vec_t speed_z = (float)sqrt(-2*LOCAL_GRAVITY*dist[2]);
float flight_time = -speed_z/LOCAL_GRAVITY;
VectorScale(dist, 1/flight_time, speed);
speed[2] = speed_z;
// Sys_Printf("Speed: (%.4f %.4f %.4f)\n", speed[0], speed[1], speed[2]);
vec3_t* pPath = new vec3_t[points];
float interval = multiplier*flight_time/points;
for(int i = 0; i < points; i++)
{
float ltime = interval*i;
VectorScale(speed, ltime, pPath[i]);
VectorAdd(pPath[i], start, pPath[i]);
// could do this all with vectors
// vGrav = {0, 0, -800.0f}
// VectorScale(vGrav, 0.5f*ltime*ltime, vAdd);
// VectorScale(speed, ltime, pPath[i]);
// _VectorAdd(pPath[i], start, pPath[i])
// _VectorAdd(pPath[i], vAdd, pPath[i])
pPath[i][2] = start[2] + (speed_z*ltime) + (varGravity*0.5f*ltime*ltime);
}
SetPath(pPath);
return TRUE;
}
void DBobView::Begin(const char* trigger, const char *target, float multiplier, int points, float varGravity, bool bNoUpdate, bool bShowExtra)
{
strcpy(entTrigger, trigger);
strcpy(entTarget, target);
fMultiplier = multiplier;
fVarGravity = varGravity;
nPathCount = points;
m_bShowExtra = bShowExtra;
Register();
if(UpdatePath())
{
if(!bNoUpdate)
{
eyes = new DListener;
eyes->parent = this;
eyes->Register();
}
}
else
{
Sys_ERROR("Initialization Failure in DBobView::Begin");
delete this;
}
}
bool DBobView::UpdatePath()
{
vec3_t start, apex;
if(GetEntityCentre(entTrigger, start))
{
if(GetEntityCentre(entTarget, apex))
{
CalculateTrajectory(start, apex, fMultiplier, nPathCount, fVarGravity);
return TRUE;
}
}
return FALSE;
}