void Entity::RenderShadow( Vector3 const &_pos, double _size )
{
Vector3 shadowPos = _pos;
Vector3 shadowR = Vector3(_size,0,0);
Vector3 shadowU = Vector3(0,0,_size);
Vector3 posA = shadowPos - shadowR - shadowU;
Vector3 posB = shadowPos + shadowR - shadowU;
Vector3 posC = shadowPos + shadowR + shadowU;
Vector3 posD = shadowPos - shadowR + shadowU;
posA.y = g_app->m_location->m_landscape.m_heightMap->GetValue( posA.x, posA.z ) + 0.9;
posB.y = g_app->m_location->m_landscape.m_heightMap->GetValue( posB.x, posB.z ) + 0.9;
posC.y = g_app->m_location->m_landscape.m_heightMap->GetValue( posC.x, posC.z ) + 0.9;
posD.y = g_app->m_location->m_landscape.m_heightMap->GetValue( posD.x, posD.z ) + 0.9;
posA.y = max( posA.y, 1.0 );
posB.y = max( posB.y, 1.0 );
posC.y = max( posC.y, 1.0 );
posD.y = max( posD.y, 1.0 );
if( posA.y > _pos.y && posB.y > _pos.y && posC.y > _pos.y && posD.y > _pos.y )
{
// The object casting the shadow is beneath the ground
return;
}
glBegin( GL_QUADS );
glTexCoord2f( 0.0, 0.0 ); glVertex3dv ( posA.GetData() );
glTexCoord2f( 1.0, 0.0 ); glVertex3dv ( posB.GetData() );
glTexCoord2f( 1.0, 1.0 ); glVertex3dv ( posC.GetData() );
glTexCoord2f( 0.0, 1.0 ); glVertex3dv ( posD.GetData() );
glEnd();
}
void DrawTriPlane(Vector3 &t1, Vector3 &t2, Vector3 &t3)
{
float planeSize = 4.0f;
Vector3 triCentre = (t1 + t2 + t3) / 3.0f;
Vector3 dir1 = (t2 - t1).Normalise();
Vector3 dir2 = (t3 - t2).Normalise();
Vector3 planeNorm = dir1 ^ dir2;
dir1 = (dir2 ^ planeNorm).Normalise();
triCentre -= dir1 * 0.5f * planeSize;
triCentre -= dir2 * 0.5f * planeSize;
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
glColor4ub(255,128,128, 80);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_QUADS);
glVertex3fv(triCentre.GetData());
glVertex3fv((triCentre + dir1 * planeSize).GetData());
glVertex3fv((triCentre + dir1 * planeSize + dir2 * planeSize).GetData());
glVertex3fv((triCentre + dir2 * planeSize).GetData());
glEnd();
glDisable(GL_BLEND);
glColor3ub(255,128,128);
glLineWidth(1.0f);
glBegin(GL_LINE_LOOP);
glVertex3fv(t1.GetData());
glVertex3fv(t2.GetData());
glVertex3fv(t3.GetData());
glEnd();
}
void DrawLine(Vector3 &start, Vector3 &end)
{
DrawPoint(start);
DrawPoint(end);
glBegin(GL_LINES);
glVertex3fv(start.GetData());
glVertex3fv(end.GetData());
glEnd();
}
void Bridge::RenderAlphas ( double predictionTime )
{
//
// Render our signal
if( m_nextBridgeId != -1 )
{
Building *building = g_app->m_location->GetBuilding( m_nextBridgeId );
if( building && building->m_type == Building::TypeBridge )
{
Bridge *bridge = (Bridge *) building;
if( m_status > 0.0 && bridge->m_status > 0.0 )
{
Vector3 ourPos = GetStartPoint();
Vector3 theirPos = bridge->GetStartPoint();
if( m_id.GetTeamId() == 255 )
{
glColor4f( 0.5, 0.5, 0.5, m_status / 100.0 );
}
else
{
RGBAColour col = g_app->m_location->m_teams[ m_id.GetTeamId() ]->m_colour;
glColor4ub( col.r, col.g, col.b, (unsigned char)(255.0 * m_status / 100.0) );
}
glLineWidth ( 3.0 );
glEnable ( GL_BLEND );
glEnable ( GL_LINE_SMOOTH );
glBegin( GL_LINES );
glVertex3dv( ourPos.GetData() );
glVertex3dv( theirPos.GetData() );
glEnd();
glDisable ( GL_LINE_SMOOTH );
glDisable ( GL_BLEND );
}
}
}
Teleport::RenderAlphas(predictionTime);
}
void SafeArea::Render( double predictionTime )
{
if( g_app->m_editing )
{
RGBAColour colour;
if( m_id.GetTeamId() != 255 )
{
colour = g_app->m_location->m_teams[ m_id.GetTeamId() ]->m_colour;
}
colour.a = 255;
#ifdef DEBUG_RENDER_ENABLED
RenderSphere( m_pos, 20.0, colour );
#endif
int numSteps = 30;
double angle = 0.0;
glColor4ubv(colour.GetData() );
glLineWidth( 2.0 );
glBegin( GL_LINE_LOOP );
for( int i = 0; i <= numSteps; ++i )
{
double xDiff = m_size * iv_sin(angle);
double zDiff = m_size * iv_cos(angle);
Vector3 pos = m_pos + Vector3(xDiff,5,zDiff);
pos.y = g_app->m_location->m_landscape.m_heightMap->GetValue(pos.x, pos.z) + 10.0;
if( pos.y < 2 ) pos.y = 2;
glVertex3dv( pos.GetData() );
angle += 2.0 * M_PI / (double) numSteps;
}
glEnd();
}
else
{
/*
double angle = g_gameTime * 2.0;
Vector3 dif( m_size * iv_sin(angle), 0.0, m_size * iv_cos(angle) );
Vector3 pos = m_pos + dif;
pos.y = g_app->m_location->m_landscape.m_heightMap->GetValue( pos.x, pos.z ) + 5.0;
g_app->m_particleSystem->CreateParticle( pos, g_upVector*2 + dif/30, Particle::TypeMuzzleFlash, 100.0 );
pos = m_pos - dif;
pos.y = g_app->m_location->m_landscape.m_heightMap->GetValue( pos.x, pos.z ) + 5.0;
g_app->m_particleSystem->CreateParticle( pos, g_upVector*2 - dif/30, Particle::TypeMuzzleFlash, 100.0 );
*/
}
//char *entityTypeRequired = Entity::GetTypeName( m_entityTypeRequired );
//g_editorFont.DrawText3DCentre( m_pos + Vector3(0,m_size/2,0), 10.0, "%d / %d %ss", m_entitiesCounted, m_entitiesRequired, entityTypeRequired );
}
void DrawPoint(Vector3 &pos)
{
Matrix34 planeMat;
GetPlaneMatrix(Vector3(0,0,0), Vector3(1,0,0), Vector3(0,0,1), &planeMat);
Vector3 posOnPlane;
ProjectPointOntoPlane(pos, planeMat, &posOnPlane);
glColor3ub(255,255,255);
glPointSize(2.0f);
glBegin(GL_POINTS);
glVertex3fv(pos.GetData());
glEnd();
glColor3ub(128,128,128);
glBegin(GL_POINTS);
glVertex3fv(posOnPlane.GetData());
glEnd();
glColor3ub(128,128,128);
glLineWidth(1.0f);
glBegin(GL_LINES);
glVertex3fv(pos.GetData());
glVertex3fv(posOnPlane.GetData());
glEnd();
}
void LocationEditor::RenderUnit(InstantUnit *_iu)
{
char *typeName = Entity::GetTypeName(_iu->m_type);
float landHeight = g_app->m_location->m_landscape.m_heightMap->GetValue(_iu->m_posX, _iu->m_posZ);
glColor4f( 1.0, 1.0, 1.0, 1.0 );
g_editorFont.DrawText3DCentre(Vector3(_iu->m_posX, landHeight + 15.0, _iu->m_posZ),
15.0, "%d %s(s)", _iu->m_number, typeName);
// Render troops
int maxX = (int)iv_sqrt(_iu->m_number);
int maxZ = _iu->m_number / maxX;
float pitch = 10.0;
float offsetX = -maxX * pitch * 0.5;
float offsetZ = -maxZ * pitch * 0.5;
RGBAColour colour;
if( _iu->m_teamId >= 0 ) colour = g_app->m_location->m_teams[_iu->m_teamId]->m_colour;
colour.a = 200;
glColor4ubv(colour.GetData());
Vector3 camUp = g_app->m_camera->GetUp() * 5.0;
Vector3 camRight = g_app->m_camera->GetRight() * 5.0;
glDisable (GL_CULL_FACE );
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE);
glDepthMask (false);
glBegin (GL_QUADS);
//
// Render dots for the number and team of the unit
for (int x = 0; x < maxX; ++x)
{
for (int z = 0; z < maxZ; ++z)
{
Vector3 pos(_iu->m_posX + offsetX + x * pitch, 0,
_iu->m_posZ + offsetZ + z * pitch);
pos.y = g_app->m_location->m_landscape.m_heightMap->GetValue(pos.x, pos.z) + 2.0;
glVertex3dv( (pos - camUp - camRight).GetData() );
glVertex3dv( (pos - camUp + camRight).GetData() );
glVertex3dv( (pos + camUp + camRight).GetData() );
glVertex3dv( (pos + camUp - camRight).GetData() );
}
}
glEnd();
//
// Render our spread circle
if( m_mode == ModeInstantUnit )
{
int numSteps = 30;
float angle = 0.0;
colour.a = 100;
glColor4ubv(colour.GetData() );
glLineWidth( 2.0 );
glBegin( GL_LINE_LOOP );
for( int i = 0; i <= numSteps; ++i )
{
float xDiff = _iu->m_spread * iv_sin(angle);
float zDiff = _iu->m_spread * iv_cos(angle);
Vector3 pos = Vector3(_iu->m_posX, 0.0, _iu->m_posZ) + Vector3(xDiff,5,zDiff);
pos.y = g_app->m_location->m_landscape.m_heightMap->GetValue(pos.x, pos.z) + 10.0;
if( pos.y < 2 ) pos.y = 2;
glVertex3dv( pos.GetData() );
angle += 2.0 * M_PI / (float) numSteps;
}
glEnd();
}
glDisable (GL_BLEND);
glDepthMask (true);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable (GL_CULL_FACE );
}
void Renderer::Render(const Camera& cam, IContext& c){
#if ZEUS_SAFE
if (c.GetType() != IContext::OpenGL21) throw Exception("Context not supported by renderer: " + Utils::ToString<IContext::Type>(c.GetType()));
#endif
Context& glContext = (Context&)c;
// Draw scene
ApplyCamera(cam, c);
glEnable(GL_CULL_FACE);
// @TODO Setup light. Lightmaps 'n shit
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
Vector3 dir = Vector3(1,3,2);
Normalize(dir);
float hat[4]; dir.GetData(hat); hat[3] = 1.0f;
glLightfv(GL_LIGHT0, GL_POSITION, hat);
SceneObjectList::iterator itr = SceneObjectList::Begin();
while (itr != SceneObjectList::End()){
//Debug::Log("Rendering " + (*itr)->GetName());
const ModelComponent* m = (*itr)->GetComponent<ModelComponent>();
if (m){
//Debug::Log((*itr)->GetName() + " has mesh");
const ModelPropertiesPtr props = m->GetModelProperties();
if (props) {
ModelProperties::Texture2DIterator itr = props->Texture2DBegin();
while (itr != props->Texture2DEnd()) {
const GLTexture2D* tex = glContext.AddTexture(itr->second);
glBindTexture(GL_TEXTURE_2D, tex->GetID());
glEnable(GL_TEXTURE_2D);
++itr;
}
} else {
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
const MeshPtr mesh = m->GetMesh();
if (mesh) {
const Transformation* t = (*itr)->GetComponent<Transformation>();
glPushMatrix();
Matrix4x4 m = t->GetAccumulatedMatrix();
glMultMatrixf(m.GetData());
// @TODO Apply material
const GLMesh* mInfo = glContext.AddMesh(mesh);
RenderModel(*mInfo, glContext);
glPopMatrix();
}
}
++itr;
}
glDisable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING);
glDisable(GL_LIGHT0);
glDisable(GL_CULL_FACE);
}
void AIObjectiveMarker::RenderAlphas( double _predictionTime )
{
bool objectiveActive = m_objectiveId == -1 || ((AIObjective *)g_app->m_location->GetBuilding( m_objectiveId ))->m_active;
bool render = (!g_app->m_editing && g_prefsManager->GetInt( "RenderAIInfo", 0 ) != 0 && objectiveActive );
if( g_app->m_editing || render)
{
#ifdef LOCATION_EDITOR
Building::RenderAlphas( _predictionTime );
RGBAColour col;
if( g_app->m_editing )
{
col.Set( 255, 0, 0 );
}
else if( m_id.GetTeamId() == 255 )
{
col.Set( 150, 150, 150 );
}
else
{
if( m_objectiveBuildingId != -1 &&
fabs(sin(g_gameTime)) < 0.5)
{
col = RGBAColour(255, 255, 255, 255);
}
else
{
col = g_app->m_location->m_teams[ m_id.GetTeamId() ]->m_colour;
}
}
RenderSphere( m_pos, 25.0, col );
Building *b = g_app->m_location->GetBuilding( m_objectiveBuildingId );
if( b )
{
RenderArrow( m_pos, b->m_pos, 5.0, col );
}
if( g_app->m_editing &&
g_app->m_locationEditor->m_mode == LocationEditor::ModeBuilding &&
g_app->m_locationEditor->m_selectionId == m_id.GetUniqueId() )
{
RenderSphere( m_pos, 30.0, RGBAColour( 255, 0, 0 ) );
Vector3 triggerPos = m_pos;
int numSteps = 20;
glBegin( GL_LINE_LOOP );
glLineWidth( 1.0 );
glColor4f( 1.0f, 0.0f, 0.0f, 1.0f );
for( int i = 0; i < numSteps; ++i )
{
float angle = 2.0f * M_PI * (float)i / (float) numSteps;
Vector3 thisPos = triggerPos + Vector3( sinf(angle)*m_scanRange, 0.0f,
cosf(angle)*m_scanRange );
thisPos.y = g_app->m_location->m_landscape.m_heightMap->GetValue( thisPos.x, thisPos.z );
thisPos.y += 10.0f;
glVertex3dv( thisPos.GetData() );
}
glEnd();
}
#endif
}
}
