inline Vector2f VectorLocalization2D::attractorFunction(line2f l, Vector2f p, float attractorRange, float margin)
{
static const bool debug = false;
Vector2f attraction(0.0,0.0), dir(V2COMP(l.Dir())), p0(V2COMP(l.P0())), p1(V2COMP(l.P1()));
float location = (p-p0).dot(dir);
if(location<-margin || location>l.Length()+margin){
return attraction;
}
attraction = (p-p0) - dir*location ;
float d = attraction.norm();
/*
if(d>0.5*attractorRange){
float d2 = max(0.0f, attractorRange - d);
attraction *= 2.0f*d2/attractorRange;
}
*/
if(d>attractorRange){
attraction = Vector2f::Zero();
}
if(debug){
debugLines.push_back( line2f( vector2f(p.x(),p.y()) ,vector2f((p-attraction).x(),(p-attraction).y()) ) );
}
return attraction;
}
void SystemInfoView::BodyIcon::Draw()
{
Gui::ImageRadioButton::Draw();
if (!GetSelected() && !HasStarport()) return;
float size[2];
GetSize(size);
if (HasStarport()) {
Color portColor = Color(64, 128, 128, 255);
// The -0.1f offset seems to be the best compromise to make the circles closed (e.g. around Mars), symmetric, fitting with selection
// and not overlapping to much with asteroids
Graphics::Drawables::Circle circle =
Graphics::Drawables::Circle(size[0]*0.5f, size[0]*0.5f-0.1f, size[1]*0.5f, 0.f,
portColor, m_renderState);
circle.Draw(m_renderer);
}
if (GetSelected()) {
const vector2f vts[] = {
vector2f(0.f, 0.f),
vector2f(size[0], 0.f),
vector2f(size[0], size[1]),
vector2f(0.f, size[1]),
};
m_renderer->DrawLines2D(COUNTOF(vts), vts, m_selectColor, m_renderState, Graphics::LINE_LOOP);
}
}
void Scene::Render(Camera* cam)
{
const Uint32 w = m_renderer->GetWindow()->GetWidth();
const Uint32 h = m_renderer->GetWindow()->GetHeight();
const float aspect = (cam->viewport.z * w) / (cam->viewport.w * h);
m_renderer->SetViewport(cam->viewport.x * w, cam->viewport.y * h, cam->viewport.z * w, cam->viewport.w * h);
m_renderer->SetScissor(true,
vector2f(cam->viewport.x * w, cam->viewport.y * h),
vector2f(cam->viewport.z * w, cam->viewport.w * h));
m_renderer->SetClearColor(cam->clearColor);
m_renderer->ClearScreen();
m_renderer->SetPerspectiveProjection(cam->fovY, aspect, cam->nearZ, cam->farZ);
m_renderer->SetViewMatrix(cam->viewMatrix);
for (auto g : m_bgGraphics)
g->Render();
m_renderer->EnableFramebufferSRGB(true);
if (!m_lights.empty())
m_renderer->SetLights(m_lights.size(), m_lights[0]);
for (auto g : m_graphics)
g->Render();
m_lights.clear();
m_renderer->EnableFramebufferSRGB(false);
}
void DeadVideoLink::Draw()
{
float size[2];
GetSize(size);
Uint32 now = SDL_GetTicks();
if (now - m_created < 1500) {
glBegin(GL_QUADS);
glColor3f(0,0,0);
glVertex2f(0,0);
glVertex2f(0,size[1]);
glVertex2f(size[0],size[1]);
glVertex2f(size[0],0);
glEnd();
m_message->SetText(Lang::VID_CONNECTING);
DrawMessage();
return;
}
m_message->SetText(Lang::VID_LINK_DOWN);
UpdateWhiteNoise();
m_quad->Draw(Gui::Screen::GetRenderer(), vector2f(0.0f), vector2f(size[0],size[1]));
DrawMessage();
}
void UIImage9::setLocation(const aabox2f &rect) {
m_rect[4].min_corner = rect.min_corner + vector2f(m_widthLeft, m_heightTop);
m_rect[4].max_corner = rect.max_corner - vector2f(m_widthRight, m_heightBottom);
m_rect[0].min_corner = rect.min_corner;
m_rect[0].max_corner = m_rect[4].min_corner;
m_rect[1].min_corner.set(m_rect[4].min_corner.x, rect.min_corner.y);
m_rect[1].max_corner.set(m_rect[4].max_corner.x, m_rect[4].min_corner.y);
m_rect[2].min_corner.set(m_rect[4].max_corner.x, rect.min_corner.y);
m_rect[2].max_corner.set(rect.max_corner.x, m_rect[4].min_corner.y);
m_rect[3].min_corner.set(rect.min_corner.x, m_rect[4].min_corner.y);
m_rect[3].max_corner.set(m_rect[4].min_corner.x, m_rect[4].max_corner.y);
m_rect[5].min_corner.set(m_rect[4].max_corner.x, m_rect[4].min_corner.y);
m_rect[5].max_corner.set(rect.max_corner.x, m_rect[4].max_corner.y);
m_rect[6].min_corner.set(rect.min_corner.x, m_rect[4].max_corner.y);
m_rect[6].max_corner.set(m_rect[4].min_corner.x, rect.max_corner.y);
m_rect[7].min_corner.set(m_rect[4].min_corner.x, m_rect[4].max_corner.y);
m_rect[7].max_corner.set(m_rect[4].max_corner.x, rect.max_corner.y);
m_rect[8].min_corner = m_rect[4].max_corner;
m_rect[8].max_corner = rect.max_corner;
}
void Face::Draw()
{
const Point &offset = GetActiveOffset();
const Point &area = GetActiveArea();
const float x = offset.x;
const float y = offset.y;
const float sx = area.x;
const float sy = area.y;
const vector2f texSize = m_texture->GetDescriptor().texSize;
Graphics::VertexArray va(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_UV0);
va.Add(vector3f(x, y, 0.0f), vector2f(0.0f, 0.0f));
va.Add(vector3f(x, y+sy, 0.0f), vector2f(0.0f, texSize.y));
va.Add(vector3f(x+sx, y, 0.0f), vector2f(texSize.x, 0.0f));
va.Add(vector3f(x+sx, y+sy, 0.0f), vector2f(texSize.x, texSize.y));
Graphics::Renderer *r = GetContext()->GetRenderer();
s_material->texture0 = m_texture.get();
auto state = GetContext()->GetSkin().GetAlphaBlendState();
r->DrawTriangles(&va, state, s_material.Get(), Graphics::TRIANGLE_STRIP);
Single::Draw();
}
void Gradient::Draw()
{
float size[2];
GetSize(size);
m_quad->Draw(Gui::Screen::GetRenderer(), vector2f(0.0f), vector2f(size[0],size[1]));
}
void Face::Draw()
{
Graphics::Renderer *r = GetContext()->GetRenderer();
if (!m_quad) {
const Point &offset = GetActiveOffset();
const Point &area = GetActiveArea();
const float x = offset.x;
const float y = offset.y;
const float sx = area.x;
const float sy = area.y;
const vector2f texSize = m_texture->GetDescriptor().texSize;
Graphics::VertexArray va(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_UV0);
va.Add(vector3f(x, y, 0.0f), vector2f(0.0f, 0.0f));
va.Add(vector3f(x, y + sy, 0.0f), vector2f(0.0f, texSize.y));
va.Add(vector3f(x + sx, y, 0.0f), vector2f(texSize.x, 0.0f));
va.Add(vector3f(x + sx, y + sy, 0.0f), vector2f(texSize.x, texSize.y));
Graphics::Renderer *r = GetContext()->GetRenderer();
s_material->texture0 = m_texture.get();
auto state = GetContext()->GetSkin().GetAlphaBlendState();
m_quad.reset(new Graphics::Drawables::TexturedQuad(r, s_material, va, state));
}
m_quad->Draw(r);
Single::Draw();
}
//-------------------------------------------------------------------------------------------------------
void SSAOPostEffect::Process( Engine& engine, const RenderTarget* const org, const RenderTarget* const scene, RenderTarget* const out )
{
engine.GetDevice()->DisableDepthTest();
engine.GetDevice()->DisableAlpha();
{
engine.GetDevice()->PushRenderTarget(m_pDownSimple_1);
SSAOShader& ssao = engine.GetShaderManage()->GetShader<SSAOShader>(ShaderManage::SSAOShader);
ssao.SetParamDepthTex( org->GetDepthBuffer() );
ssao.SetParamJitterTex( m_JitterTex );
ssao.SetParamNormalTex( engine.GetPipeline()->NormalRenderTarget()->GetColorBuffer() );
ssao.SetParamAOEdgeFinder( AOEdgeFinder );
ssao.SetParamAOIntensity( AOIntensity );
ssao.SetParamJitterAmount( JitterAmount );
ssao.SetParamStepSize( vector2f( 1.0 / m_pDownSimple_1->GetSize().m_x , 1.0 / m_pDownSimple_1->GetSize().m_y ) );
engine.GetDevice()->Draw( *m_pRendBuffer, ssao, NULL );
engine.GetDevice()->PopRenderTarget();
}
{//模糊
//x
engine.GetDevice()->PushRenderTarget(m_pDownSimple_2);
engine.GetDevice()->Clear( Device::COLOR_BUFFER );
Blur2x2Shader& bs = engine.GetShaderManage()->GetShader<Blur2x2Shader>(ShaderManage::Blur2x2Shader);
bs.SetParamColorTexture( m_pDownSimple_1->GetColorBuffer() );
bs.SetParamStepSize( vector2f( (1.0f / m_pDownSimple_2->GetSize().m_x) * GaussSpread, 0.0 ) );
bs.SetParamGaussWeight( GaussWeight );
engine.GetDevice()->Draw( *m_pRendBuffer, bs, NULL );
engine.GetDevice()->PopRenderTarget();
//y
engine.GetDevice()->PushRenderTarget(m_pDownSimple_1);
engine.GetDevice()->Clear( Device::COLOR_BUFFER );
bs.SetParamColorTexture( m_pDownSimple_2->GetColorBuffer() );
bs.SetParamStepSize( vector2f( 0.0, (1.0f / m_pDownSimple_1->GetSize().m_y) * GaussSpread ) );
bs.SetParamGaussWeight( GaussWeight );
engine.GetDevice()->Draw( *m_pRendBuffer, bs, NULL );
engine.GetDevice()->PopRenderTarget();
}
engine.GetDevice()->PushRenderTarget( out );//如果画在了输出上面，则需要更换输出，下一个pe就用另外一张rt
engine.GetDevice()->Clear( Device::COLOR_BUFFER );
if( 1 )
{
SSAOCombine& sc = engine.GetShaderManage()->GetShader<SSAOCombine>(ShaderManage::SSAOCombine);
sc.SetParamSceneTexture( scene->GetColorBuffer() );
sc.SetParamSSVOTexture( m_pDownSimple_1->GetColorBuffer() );
engine.GetDevice()->Draw( *m_pRendBuffer, sc, NULL );
}
else
{
QuadShader& qs = engine.GetShaderManage()->GetShader<QuadShader>(ShaderManage::QuadShader);
//engine.GetDevice()->Draw( *m_pRendBuffer, qs, engine.GetPipeline()->NormalRenderTarget()->GetColorBuffer() );
engine.GetDevice()->Draw( *m_pRendBuffer, qs, m_pDownSimple_1->GetColorBuffer() );
}
engine.GetDevice()->PopRenderTarget( );
}
void TextureBuilder::UpdateTexture(Texture *texture)
{
if( m_surface ) {
texture->Update(m_surface->pixels, vector2f(m_surface->w,m_surface->h), m_descriptor.format, 0);
} else {
assert(m_dds.headerdone_);
assert(m_descriptor.format == TEXTURE_DXT1 || m_descriptor.format == TEXTURE_DXT5);
texture->Update(m_dds.imgdata_.imgData, vector2f(m_dds.imgdata_.width,m_dds.imgdata_.height), m_descriptor.format, m_dds.imgdata_.numMipMaps);
}
}
void TextureBuilder::PrepareSurface()
{
if (m_prepared) return;
if (!m_surface && m_filename.length() > 0)
LoadSurface();
TextureFormat targetTextureFormat;
SDL_PixelFormat *targetPixelFormat;
bool needConvert = !GetTargetFormat(m_surface->format, &targetTextureFormat, &targetPixelFormat, m_forceRGBA);
if (needConvert) {
SDL_Surface *s = SDL_ConvertSurface(m_surface, targetPixelFormat, SDL_SWSURFACE);
SDL_FreeSurface(m_surface);
m_surface = s;
}
unsigned int virtualWidth, actualWidth, virtualHeight, actualHeight;
virtualWidth = actualWidth = m_surface->w;
virtualHeight = actualHeight = m_surface->h;
if (m_potExtend) {
// extend to power-of-two if necessary
actualWidth = ceil_pow2(m_surface->w);
actualHeight = ceil_pow2(m_surface->h);
if (actualWidth != virtualWidth || actualHeight != virtualHeight) {
SDL_Surface *s = SDL_CreateRGBSurface(SDL_SWSURFACE, actualWidth, actualHeight, targetPixelFormat->BitsPerPixel,
targetPixelFormat->Rmask, targetPixelFormat->Gmask, targetPixelFormat->Bmask, targetPixelFormat->Amask);
SDL_SetAlpha(m_surface, 0, 0);
SDL_SetAlpha(s, 0, 0);
SDL_BlitSurface(m_surface, 0, s, 0);
SDL_FreeSurface(m_surface);
m_surface = s;
}
}
else if (m_filename.length() > 0) {
// power-of-to check
unsigned long width = ceil_pow2(m_surface->w);
unsigned long height = ceil_pow2(m_surface->h);
if (width != virtualWidth || height != virtualHeight)
fprintf(stderr, "WARNING: texture '%s' is not power-of-two and may not display correctly\n", m_filename.c_str());
}
m_descriptor = TextureDescriptor(
targetTextureFormat,
vector2f(actualWidth,actualHeight),
vector2f(float(virtualWidth)/float(actualWidth),float(virtualHeight)/float(actualHeight)),
m_sampleMode, m_generateMipmaps);
m_prepared = true;
}
//-------------------------------------------------------------------------------------------------------
void BloomPS::Process(IDriver& driver, const RenderTarget* const org, const RenderTarget* const scene, RenderTarget* const out, bool& isSwitch)
{
float Range = 2; //控制模糊度
//降采样
//driver.PushRenderTarget(m_pDownSimple_1);
//driver.Clear( IDriver::COLOR_BUFFER );
//QuadShader& qs = driver.GetShaderManage().GetShader<QuadShader>(ShaderManage::QuadShader);
//driver.Draw( *m_pRendBuffer, qs, scene->GetColorBuffer() );
//driver.PopRenderTarget();
//流明化
driver.PushRenderTarget(m_pDownSimple_1);
driver.Clear( IDriver::COLOR_BUFFER );
Luminance& le = driver.GetShaderManage().GetShader<Luminance>(ShaderManage::Luminance);
driver.Draw( *m_pRendBuffer, le, scene->GetColorBuffer() );
driver.PopRenderTarget();
//x方向模糊
driver.PushRenderTarget(m_pDownSimple_2);
driver.Clear( IDriver::COLOR_BUFFER );
Gaussian& gauss = driver.GetShaderManage().GetShader<Gaussian>(ShaderManage::Gaussian);
gauss.SetParamStep( vector2f( Range / m_pDownSimple_1->GetSize().m_x, 0.0f ) );
driver.Draw( *m_pRendBuffer, gauss, m_pDownSimple_1->GetColorBuffer() );
driver.PopRenderTarget();
//y方向模糊
driver.PushRenderTarget(m_pDownSimple_1);
driver.Clear( IDriver::COLOR_BUFFER );
gauss.SetParamStep( vector2f( 0.0f, Range / m_pDownSimple_2->GetSize().m_y ) );
driver.Draw( *m_pRendBuffer, gauss, m_pDownSimple_2->GetColorBuffer() );
driver.PopRenderTarget();
driver.PushRenderTarget( out );//如果画在了输出上面，则需要更换输出，下一个pe就用另外一张rt
isSwitch = true;
driver.Clear( IDriver::COLOR_BUFFER );
//if( 0 )
{
driver.EnableAlphaBlend(IDriver::BL_SRC_ALPHA, IDriver::BL_ONE_MINUS_SRC_ALPHA, IDriver::BL_SRC_ALPHA, IDriver::BL_ONE_MINUS_SRC_ALPHA );
Combine& ce = driver.GetShaderManage().GetShader<Combine>(ShaderManage::Combine);
ce.SetParamOrginial( scene->GetColorBuffer() );
ce.SetParamSecen( m_pDownSimple_1->GetColorBuffer() );
ce.SetParamOrginialWeight(1.0f);
ce.SetParamSecenWeight(0.0f);//was 0.75
driver.Draw( *m_pRendBuffer, ce, NULL );
}
//else
//{
// QuadShader& qs = driver.GetShaderManage().GetShader<QuadShader>(ShaderManage::QuadShader);
// driver.Draw( *m_pRendBuffer, qs, m_pDownSimple_1->GetColorBuffer() );
// //driver.Draw( *m_pRendBuffer, ui, org->GetDepthBuffer() );
//}
driver.PopRenderTarget( );
}
void Skin::DrawRectElement(const RectElement &element, const Point &pos, const Point &size, Graphics::BlendMode blendMode) const
{
Graphics::VertexArray va(Graphics::ATTRIB_POSITION | Graphics::ATTRIB_UV0);
va.Add(vector3f(pos.x, pos.y, 0.0f), scaled(vector2f(element.pos.x, element.pos.y)));
va.Add(vector3f(pos.x, pos.y+size.y, 0.0f), scaled(vector2f(element.pos.x, element.pos.y+element.size.y)));
va.Add(vector3f(pos.x+size.x, pos.y, 0.0f), scaled(vector2f(element.pos.x+element.size.x, element.pos.y)));
va.Add(vector3f(pos.x+size.x, pos.y+size.y, 0.0f), scaled(vector2f(element.pos.x+element.size.x, element.pos.y+element.size.y)));
m_renderer->DrawTriangles(&va, GetRenderState(blendMode), m_textureMaterial.Get(), Graphics::TRIANGLE_STRIP);
}
void TextEntry::Draw()
{
PROFILE_SCOPED()
m_justFocused = false;
Graphics::Renderer *pRenderer = Screen::GetRenderer();
float size[2];
GetSize(size);
// find cursor position
float curs_x, curs_y;
Gui::Screen::MeasureCharacterPos(m_text, m_cursPos, curs_x, curs_y, m_font.Get());
if (curs_x - m_scroll > size[0]*0.75f) {
m_scroll += int(size[0]*0.25f);
} else if (curs_x - m_scroll < size[0]*0.25f) {
m_scroll -= int(size[0]*0.25f);
if (m_scroll < 0) m_scroll = 0;
}
//background
if(!m_background) {
m_background.reset( new Graphics::Drawables::Rect(pRenderer, vector2f(0.f), vector2f(size[0], size[1]), Color(0,0,0,192), Screen::alphaBlendState));
}
m_background->Draw(pRenderer);
//outline
const Color c = IsFocused() ? Color::WHITE : Color(192, 192, 192, 255);
const vector3f boxVts[] = {
vector3f(0.f, 0.f, 0.f),
vector3f(size[0],0.f, 0.f),
vector3f(size[0],size[1], 0.f),
vector3f(0,size[1], 0.f)
};
m_outlines.SetData(2, &boxVts[0], c);
m_outlines.Draw(pRenderer, Screen::alphaBlendState, Graphics::LINE_LOOP);
//text
SetScissor(true);
Gui::Screen::RenderStringBuffer(m_vb, m_text, 1.0f - m_scroll, 0.0f, c, m_font.Get());
SetScissor(false);
//cursor
const vector3f cursorVts[] = {
vector3f(curs_x + 1.0f - m_scroll, curs_y + Gui::Screen::GetFontDescender(m_font.Get()) - Gui::Screen::GetFontHeight(m_font.Get()), 0.f),
vector3f(curs_x + 1.0f - m_scroll, curs_y + Gui::Screen::GetFontDescender(m_font.Get()), 0.f),
};
m_cursorLines.SetData(2, &cursorVts[0], Color(128, 128, 128));
m_cursorLines.Draw(pRenderer, Screen::alphaBlendState);
}
Sprite::Sprite()
{
// Tähän annetaan pikselikoordinaatit
texture = NULL;
vertexData = NULL;
indexData = NULL;
sourceRectSize.x = 0.0f;
sourceRectSize.y = 0.0f;
position = vector2f(0.0f, 0.0f);
sourceRectPosition = vector2f(0.0f, 0.0f);
origin = vector2f(0.0f, 0.0f);
red = 255.0f; blue = 255.0f; green = 255.0f;
createIndexData();
}
void SystemInfoView::BodyIcon::Draw()
{
Gui::ImageRadioButton::Draw();
if (!GetSelected()) return;
float size[2];
GetSize(size);
Color green = Color(0.f, 1.f, 0.f, 1.f);
const vector2f vts[] = {
vector2f(0.f, 0.f),
vector2f(size[0], 0.f),
vector2f(size[0], size[1]),
vector2f(0.f, size[1]),
};
m_renderer->DrawLines2D(4, vts, green, Graphics::LINE_LOOP);
}
void VectorLocalization2D::lowVarianceResample()
{
vector<Particle2D> newParticles;
newParticles.resize(numParticles);
float totalWeight = 0.0;
float newWeight = 1.0/float(numParticles);
int numRefinedParticles = (int) particlesRefined.size();
refinedImportanceWeights = unrefinedImportanceWeights = 0.0;
for(int i=0; i<numRefinedParticles; i++){
//Get rid of particles with undefined weights
if(isnan(particlesRefined[i].weight) || isinf(particlesRefined[i].weight) || particlesRefined[i].weight<0.0)
particlesRefined[i].weight = 0.0;
totalWeight += particlesRefined[i].weight;
if(i<numParticles)
refinedImportanceWeights += particlesRefined[i].weight;
else
unrefinedImportanceWeights += particlesRefined[i].weight;
}
if(totalWeight<FLT_MIN){
//TerminalWarning("Particles have zero total weight!");
for(int i=0; i<numParticles; i++){
particles[i].weight = newWeight;
}
return;
//exit(0);
}
float weightIncrement = totalWeight/float(numParticles);
if(weightIncrement<FLT_MIN) TerminalWarning("Particle weights less than float precision");
numRefinedParticlesSampled = numUnrefinedParticlesSampled = 0;
float x = frand(0.0f,totalWeight);
int j=0;
float f=particlesRefined[0].weight;
for(int i=0; i<numParticles; i++){
while(f<x){
j = (j+1)%numRefinedParticles;
f += particlesRefined[j].weight;
}
if(j<numParticles)
numRefinedParticlesSampled++;
else
numUnrefinedParticlesSampled++;
newParticles[i] = particlesRefined[j];
newParticles[i].weight = newWeight;
if(particlesRefined[i].weight < FLT_MIN){
//This particle was depleted: add replacement noise
vector2f deltaLoc = vector2f(frand(-1.0,1.0),frand(-1.0,1.0))*0.05;
float deltaAngle = frand(-1.0,1.0)*RAD(5.0);
newParticles[i].loc += deltaLoc;
newParticles[i].angle += deltaAngle;
}
x += weightIncrement;
}
particles = newParticles;
}
void Label3D::SetText(const std::string &text)
{
//regenerate geometry
m_geometry->Clear();
if (!text.empty())
m_font->GetGeometry(*m_geometry.Get(), text, vector2f(0.f));
}
Icon::Icon(Context *context, const std::string &iconName): Widget(context),
m_color(Color::WHITE)
{
if (!s_texture) {
s_config.Read(FileSystem::gameDataFiles, CONFIG_FILE);
s_texture.Reset(Graphics::TextureBuilder::UI(s_config.String("TextureFile")).GetOrCreateTexture(GetContext()->GetRenderer(), "ui"));
const Graphics::TextureDescriptor &texDesc = s_texture->GetDescriptor();
s_texScale = vector2f(1.0f/texDesc.dataSize.x, 1.0f/texDesc.dataSize.y);
Graphics::MaterialDescriptor matDesc;
matDesc.textures = 1;
s_material.Reset(GetContext()->GetRenderer()->CreateMaterial(matDesc));
s_material->texture0 = s_texture.Get();
}
std::string spec(s_config.String(iconName.c_str()));
if (spec.size() == 0)
spec = s_config.String(FALLBACK_ICON);
assert(spec.size() > 0);
std::vector<int> v(2);
SplitSpec(spec, v);
m_texPos = Point(v[0], v[1]);
}
//--------------------------------------------------------------------------------------
void VolumeLightPost::_SetParameters ()
{
Engine& engine = Engine::Instance();
Device* device = engine.GetDevice();
device->SetShaderParameter( m_hTextureHandle, *m_pTexOrginial );
const Matrix44f& mvp = engine.GetCamera()->GetViewProj();
vector4f lp( engine.GetCamera()->GetPosition() + engine.GetEnvironment()->GetCurrentLight().GetWorldDirection() * engine.GetCamera()->GetMiddle() );
lp *= mvp ;//与摄像机的位置没有关系，所以始终只乘投影矩阵
lp /= lp.m_w;
float alpha = 1.0 - Math::Clamp0to1( ( lp.m_x*lp.m_x+lp.m_y*lp.m_y - 1.0 ) / 7.0 );//这个计算公式计算的是在看到太阳前的alpha衰减，假设太阳的曝光极致是在一个屏幕空间内，所以减去2.0，修改这里需要对应修改Environment的Unpdata
vector2f lps = vector2f(lp.m_x * 0.5 + 0.5, lp.m_y * 0.5 + 0.5);
device->SetShaderParameter( m_hLightPositionOnScreenHandle, lps );
#ifdef WIN32
device->SetShaderParameter( m_hExposureHandle, 0.000016f );//最终曝光强度
device->SetShaderParameter( m_hDecayHandle, 0.98f );//暗线衰减
device->SetShaderParameter( m_hDensityHandle, 1.2f );//暗线的长度
device->SetShaderParameter( m_hWeightHandle, 800.0f * alpha );//黑白色差权重
#else
#ifdef LOWVOLUMELIGHT
device->SetShaderParameter( m_hExposureHandle, 0.0003f );//最终曝光强度
device->SetShaderParameter( m_hDecayHandle, 0.87f );//暗线衰减
device->SetShaderParameter( m_hDensityHandle, 0.6f );//暗线的长度
device->SetShaderParameter( m_hWeightHandle, 550.0f * alpha );//黑白色差权重
#else
device->SetShaderParameter( m_hExposureHandle, 0.00032f );//最终曝光强度
device->SetShaderParameter( m_hDecayHandle, 0.88f );//暗线衰减
device->SetShaderParameter( m_hDensityHandle, 0.8f );//暗线的长度
device->SetShaderParameter( m_hWeightHandle, 320.0f * alpha );//黑白色差权重
#endif
#endif
}
void TexturedQuad::Draw(Graphics::Renderer *renderer, const vector2f &pos, const vector2f &size, const vector2f &texPos, const vector2f &texSize, const Color &tint)
{
Graphics::VertexArray va(ATTRIB_POSITION | ATTRIB_UV0);
va.Add(vector3f(pos.x, pos.y, 0.0f), vector2f(texPos.x, texPos.y));
va.Add(vector3f(pos.x, pos.y+size.y, 0.0f), vector2f(texPos.x, texPos.y+texSize.y));
va.Add(vector3f(pos.x+size.x, pos.y, 0.0f), vector2f(texPos.x+texSize.x, texPos.y));
va.Add(vector3f(pos.x+size.x, pos.y+size.y, 0.0f), vector2f(texPos.x+texSize.x, texPos.y+texSize.y));
Graphics::Material m;
m.unlit = true;
m.texture0 = m_texture.Get();
m.vertexColors = false;
m.diffuse = tint;
renderer->DrawTriangles(&va, &m, TRIANGLE_STRIP);
}
void Label3D::SetText(const std::string &text)
{
//regenerate geometry
m_geometry->Clear();
if (!text.empty()) {
m_font->GetGeometry(*m_geometry, text, vector2f(0.f));
// Happens if none of the characters in the string have glyphs in the SDF font.
// Most noticeably, this means text consisting of entirely Cyrillic
// or Chinese characters will vanish when rendered on a Label3D.
if (m_geometry->IsEmpty()) { return; }
//create buffer and upload data
Graphics::VertexBufferDesc vbd;
vbd.attrib[0].semantic = Graphics::ATTRIB_POSITION;
vbd.attrib[0].format = Graphics::ATTRIB_FORMAT_FLOAT3;
vbd.attrib[1].semantic = Graphics::ATTRIB_NORMAL;
vbd.attrib[1].format = Graphics::ATTRIB_FORMAT_FLOAT3;
vbd.attrib[2].semantic = Graphics::ATTRIB_UV0;
vbd.attrib[2].format = Graphics::ATTRIB_FORMAT_FLOAT2;
vbd.numVertices = m_geometry->GetNumVerts();
vbd.usage = Graphics::BUFFER_USAGE_STATIC;
m_vbuffer.reset( m_renderer->CreateVertexBuffer(vbd) );
m_vbuffer->Populate(*m_geometry);
}
}
void VectorLocalization2D::setLocation(vector2f loc, float angle, float locationUncertainty, float angleUncertainty)
{
for(unsigned int i=0; i<particles.size(); i++){
particles[i].loc = vector2f(randn(locationUncertainty, loc.x), randn(locationUncertainty, loc.y));
particles[i].angle = randn(angleUncertainty, angle);
}
}
Gradient::Gradient(float width, float height, const Color &beginColor, const Color &endColor, Direction direction)
{
SetSize(width, height);
Color4ub c0(beginColor);
Color4ub c1(endColor);
const unsigned char data[4][4] = {
{ c0.r, c0.g, c0.b, c0.a },
{ c1.r, c1.g, c1.b, c1.a },
};
vector2f size = direction == HORIZONTAL ? vector2f(2.0f,1.0f) : vector2f(1.0f,2.0f);
Graphics::Texture *texture = Gui::Screen::GetRenderer()->CreateTexture(Graphics::TextureDescriptor(Graphics::TEXTURE_RGBA, size));
texture->Update(data, size, Graphics::IMAGE_RGBA, Graphics::IMAGE_UNSIGNED_BYTE);
m_quad.Reset(new TexturedQuad(texture));
}
void Context::DrawWidget(Widget *w)
{
const Point &pos = w->GetPosition();
const Point &drawOffset = w->GetDrawOffset();
const Point &size = w->GetSize();
m_drawWidgetPosition += pos;
const std::pair<Point,Point> ¤tScissor(m_scissorStack.top());
const Point ¤tScissorPos(currentScissor.first);
const Point ¤tScissorSize(currentScissor.second);
const Point newScissorPos(std::max(m_drawWidgetPosition.x, currentScissorPos.x), std::max(m_drawWidgetPosition.y, currentScissorPos.y));
const Point newScissorSize(
Clamp(std::min(newScissorPos.x + size.x, currentScissorPos.x + currentScissorSize.x) - newScissorPos.x, 0, m_width),
Clamp(std::min(newScissorPos.y + size.y, currentScissorPos.y + currentScissorSize.y) - newScissorPos.y, 0, m_height));
m_scissorStack.push(std::make_pair(newScissorPos, newScissorSize));
m_renderer->SetScissor(true, vector2f(newScissorPos.x, m_height - newScissorPos.y - newScissorSize.y), vector2f(newScissorSize.x, newScissorSize.y));
m_drawWidgetPosition += drawOffset;
m_renderer->SetTransform(matrix4x4f::Translation(m_drawWidgetPosition.x, m_drawWidgetPosition.y, 0));
w->Draw();
m_scissorStack.pop();
m_drawWidgetPosition -= pos + drawOffset;
}
static int l_set_centre_sector(lua_State *l) {
GalaxyMap *map = LuaObject<GalaxyMap>::CheckFromLua(1);
float x = luaL_checknumber(l, 2);
float y = luaL_checknumber(l, 3);
map->SetCentreSector(vector2f(x, y));
lua_settop(l, 1);
return 1;
}
SpriteBatch::SpriteBatch(GraphicsDevice &window)
{
changes = true;
size = vector2f((float) window.GetSize().x, (float) window.GetSize().y);
(this->graphicsDevice) = &window;
glGenBuffers(2, &buffer[0]);
}
//get font definitions from a line of xml, insert glyph information into the map
void DistanceFieldFont::ParseChar(const StringRange &r)
{
std::stringstream ss(r.ToString());
std::string token;
Uint32 id = 0;
double x = 0.0;
double y = 0.0;
double uSize = 0.0;
double vSize = 0.0;
double xoffset = 0.0;
double yoffset = 0.0;
double advance = 0.0;
while (ss >> token) {
std::pair<std::string, std::string> pair;
split_token(token, pair);
//only care about some values
if (pair.first == "id")
id = get_value<Uint32>(pair.second);
else if (pair.first == "x")
x = get_value<double>(pair.second);
else if (pair.first == "y")
y = get_value<double>(pair.second);
else if (pair.first == "width")
uSize = get_value<double>(pair.second);
else if (pair.first == "height")
vSize = get_value<double>(pair.second);
else if (pair.first == "xoffset")
xoffset = get_value<float>(pair.second);
else if (pair.first == "yoffset")
yoffset = get_value<float>(pair.second);
else if (pair.first == "xadvance")
advance = get_value<float>(pair.second);
}
const float scale = 1.f/m_fontSize;
Glyph g;
g.uv = vector2f(float(x)/m_sheetSize.x, float(y)/m_sheetSize.y);
g.uvSize = vector2f(float(uSize)/m_sheetSize.x, float(vSize)/m_sheetSize.y);
g.size = vector2f(float(uSize), float(vSize)) * scale;
g.offset = vector2f(float(xoffset), float(m_lineHeight-vSize-yoffset)) * scale;
g.xAdvance = advance * scale;
m_glyphs[id] = g;
}
void VectorLocalization2D::predict(float dx, float dy, float dtheta, const MotionModelParams &motionParams)
{
lastDistanceMoved += vector2f(dx,dy).rotate(lastAngleTurned);
lastAngleTurned += dtheta;
for(int i=0; i<numParticles; i++){
predictParticle(particles[i], dx, dy, dtheta, motionParams);
}
}
void Scene::Render()
{
const Uint32 w = m_renderer->GetWindow()->GetWidth();
const Uint32 h = m_renderer->GetWindow()->GetHeight();
//update some transforms in Graphics
m_modelRenderSystem->update(m_entities, m_events, 0);
m_renderer->SetAmbientColor(Color(0, 0, 0, 0));
//this calls Scene::Render(camera)
m_frameRenderSystem->update(m_entities, m_events, 0);
//restore expectations
m_renderer->SetViewport(0, 0, w, h);
m_renderer->SetScissor(true, vector2f(0.f), vector2f(w, h));
}
