235 lines
7.1 KiB
C++
235 lines
7.1 KiB
C++
/*
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BobToolz plugin for GtkRadiant
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Copyright (C) 2001 Gordon Biggans
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// BobView.cpp: implementation of the DBobView class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "DBobView.h"
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//#include "misc.h"
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#include "funchandlers.h"
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#include <list>
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#include "iglrender.h"
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#include "qerplugin.h"
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#include "str.h"
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#include "math/matrix.h"
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#include "DEntity.h"
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#include "DEPair.h"
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#include "misc.h"
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#include "dialogs/dialogs-gtk.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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DBobView::DBobView(){
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nPathCount = 0;
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constructShaders();
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GlobalShaderCache().attachRenderable( *this );
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}
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DBobView::~DBobView(){
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GlobalShaderCache().detachRenderable( *this );
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destroyShaders();
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clear();
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}
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//////////////////////////////////////////////////////////////////////
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// Implementation
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//////////////////////////////////////////////////////////////////////
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void DBobView::render( RenderStateFlags state ) const {
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gl().glBegin( GL_LINE_STRIP );
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for ( int i = 0; i < nPathCount; i++ )
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gl().glVertex3fv( path[i] );
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gl().glEnd();
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}
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const char* DBobView_state_line = "$bobtoolz/bobview/line";
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const char* DBobView_state_box = "$bobtoolz/bobview/box";
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void DBobView::constructShaders(){
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OpenGLState state;
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GlobalOpenGLStateLibrary().getDefaultState( state );
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state.m_state = RENDER_COLOURWRITE | RENDER_DEPTHWRITE | RENDER_DEPTHTEST;
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state.m_sort = OpenGLState::eSortFullbright;
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state.m_linewidth = 2;
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state.m_colour[0] = 1;
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state.m_colour[1] = 0;
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state.m_colour[2] = 0;
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state.m_colour[3] = 1;
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GlobalOpenGLStateLibrary().insert( DBobView_state_line, state );
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state.m_linewidth = 1;
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state.m_colour[0] = 0.25f;
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state.m_colour[1] = 0.75f;
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state.m_colour[2] = 0.75f;
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state.m_colour[3] = 1;
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GlobalOpenGLStateLibrary().insert( DBobView_state_box, state );
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m_shader_line = GlobalShaderCache().capture( DBobView_state_line );
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m_shader_box = GlobalShaderCache().capture( DBobView_state_box );
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}
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void DBobView::destroyShaders(){
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GlobalOpenGLStateLibrary().erase( DBobView_state_line );
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GlobalOpenGLStateLibrary().erase( DBobView_state_box );
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GlobalShaderCache().release( DBobView_state_line );
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GlobalShaderCache().release( DBobView_state_box );
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}
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Matrix4 g_transform_box1 = matrix4_translation_for_vec3( Vector3( 16.0f, 16.0f, 28.0f ) );
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Matrix4 g_transform_box2 = matrix4_translation_for_vec3( Vector3( -16.0f, 16.0f, 28.0f ) );
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Matrix4 g_transform_box3 = matrix4_translation_for_vec3( Vector3( 16.0f, -16.0f, -28.0f ) );
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Matrix4 g_transform_box4 = matrix4_translation_for_vec3( Vector3( -16.0f, -16.0f, -28.0f ) );
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void DBobView::renderSolid( Renderer& renderer, const VolumeTest& volume ) const {
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if ( !path ) {
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return;
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}
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renderer.SetState( m_shader_line, Renderer::eWireframeOnly );
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renderer.SetState( m_shader_line, Renderer::eFullMaterials );
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renderer.addRenderable( *this, g_matrix4_identity );
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if ( m_bShowExtra ) {
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renderer.SetState( m_shader_box, Renderer::eWireframeOnly );
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renderer.SetState( m_shader_box, Renderer::eFullMaterials );
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renderer.addRenderable( *this, g_transform_box1 );
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renderer.addRenderable( *this, g_transform_box2 );
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renderer.addRenderable( *this, g_transform_box3 );
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renderer.addRenderable( *this, g_transform_box4 );
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}
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}
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void DBobView::renderWireframe( Renderer& renderer, const VolumeTest& volume ) const {
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renderSolid( renderer, volume );
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}
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#define LOCAL_GRAVITY -800.0f
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bool DBobView::CalculateTrajectory( vec3_t start, vec3_t apex, float multiplier, int points, float varGravity ){
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if ( apex[2] <= start[2] ) {
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path.reset();
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return false;
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}
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// ----think q3a actually would allow these
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//scrub that, coz the plugin wont :]
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vec3_t dist, speed;
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VectorSubtract( apex, start, dist );
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vec_t speed_z = (float)sqrt( -2 * LOCAL_GRAVITY * dist[2] );
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float flight_time = -speed_z / LOCAL_GRAVITY;
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VectorScale( dist, 1 / flight_time, speed );
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speed[2] = speed_z;
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// Sys_Printf("Speed: (%.4f %.4f %.4f)\n", speed[0], speed[1], speed[2]);
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path.reset( new vec3_t[points] );
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float interval = multiplier * flight_time / points;
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for ( int i = 0; i < points; i++ )
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{
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float ltime = interval * i;
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VectorScale( speed, ltime, path[i] );
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VectorAdd( path[i], start, path[i] );
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// could do this all with vectors
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// vGrav = {0, 0, -800.0f}
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// VectorScale(vGrav, 0.5f*ltime*ltime, vAdd);
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// VectorScale(speed, ltime, pPath[i]);
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// _VectorAdd(pPath[i], start, pPath[i])
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// _VectorAdd(pPath[i], vAdd, pPath[i])
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path[i][2] = start[2] + ( speed_z * ltime ) + ( varGravity * 0.5f * ltime * ltime );
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}
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return true;
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}
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void DBobView::Begin( const char *targetName, float multiplier, int points, float varGravity, bool bShowExtra ){
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strcpy( this->targetName, targetName );
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fMultiplier = multiplier;
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fVarGravity = varGravity;
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nPathCount = points;
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m_bShowExtra = bShowExtra;
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if ( !UpdatePath() ) {
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globalErrorStream() << "Initialization Failure in DBobView::Begin\n";
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g_PathView.reset();
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}
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globalOutputStream() << "Initialization of Path Plotter succeeded.\n";
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}
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bool DBobView::UpdatePath(){
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vec3_t start, apex;
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if ( GetEntityCentre( targetName, true, start )
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&& GetEntityCentre( targetName, false, apex ) ) {
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CalculateTrajectory( start, apex, fMultiplier, nPathCount, fVarGravity );
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return true;
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}
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return false;
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}
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void DBobView_setEntity( Entity& entity, float multiplier, int points, float varGravity, bool bNoUpdate, bool bShowExtra ){
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DEntity trigger;
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trigger.LoadEPairList( &entity );
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if ( !strcmp( trigger.m_Classname, "trigger_push" ) ) {
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if ( DEPair* trigger_ep = trigger.FindEPairByKey( "target" ) ) {
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const scene::Path* entTarget = FindEntityFromTargetname( trigger_ep->value );
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if ( entTarget ) {
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g_PathView.reset(); // delete old at first
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g_PathView.reset( new DBobView );
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Entity* target = Node_getEntity( entTarget->top() );
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if ( target != 0 ) {
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if ( !bNoUpdate ) {
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g_PathView->target = target;
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target->attach( *g_PathView );
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}
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g_PathView->Begin( trigger_ep->value, multiplier, points, varGravity, bShowExtra );
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}
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else{
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globalErrorStream() << "bobToolz PathPlotter: trigger_push ARGH\n";
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}
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}
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else{
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globalErrorStream() << "bobToolz PathPlotter: trigger_push target could not be found..\n";
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}
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}
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else{
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globalErrorStream() << "bobToolz PathPlotter: Entity must have a target.\n";
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}
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}
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else{
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globalErrorStream() << "bobToolz PathPlotter: You must select a 'trigger_push' entity..\n";
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}
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} |