diff options
Diffstat (limited to 'Stars45/Scene.cpp')
| -rw-r--r-- | Stars45/Scene.cpp | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/Stars45/Scene.cpp b/Stars45/Scene.cpp deleted file mode 100644 index 4f977f4..0000000 --- a/Stars45/Scene.cpp +++ /dev/null @@ -1,258 +0,0 @@ -/* Starshatter: The Open Source Project - Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors - Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors - Copyright (c) 1997-2006, Destroyer Studios LLC. - - AUTHOR: John DiCamillo - - - OVERVIEW - ======== - A 3D Scene -*/ - -#include "Scene.h" -#include "Graphic.h" -#include "Light.h" -#include "Utils.h" - -// +--------------------------------------------------------------------+ - -Scene::Scene() -{ } - -Scene::~Scene() -{ - background.destroy(); - foreground.destroy(); - graphics.destroy(); - sprites.destroy(); - - lights.destroy(); -} - -// +--------------------------------------------------------------------+ - -void -Scene::AddBackground(Graphic* g) -{ - if (g) { - if (!background.contains(g)) - background.append(g); - - g->SetScene(this); - } -} - -void -Scene::DelBackground(Graphic* g) -{ - if (g) { - background.remove(g); - g->SetScene(0); - } -} - -// +--------------------------------------------------------------------+ - -void -Scene::AddForeground(Graphic* g) -{ - if (g) { - if (!foreground.contains(g)) - foreground.append(g); - - g->SetScene(this); - } -} - -void -Scene::DelForeground(Graphic* g) -{ - if (g) { - foreground.remove(g); - g->SetScene(0); - } -} - -// +--------------------------------------------------------------------+ - -void -Scene::AddGraphic(Graphic* g) -{ - if (g) { - if (!graphics.contains(g)) - graphics.append(g); - - g->SetScene(this); - } -} - -void -Scene::DelGraphic(Graphic* g) -{ - if (g) { - graphics.remove(g) || // it's gotta be in here somewhere! - foreground.remove(g) || // use the logical-or operator to early - sprites.remove(g) || // out when we find it... - background.remove(g); - - g->SetScene(0); - } -} - -// +--------------------------------------------------------------------+ - -void -Scene::AddSprite(Graphic* g) -{ - if (g) { - if (!sprites.contains(g)) - sprites.append(g); - - g->SetScene(this); - } -} - -void -Scene::DelSprite(Graphic* g) -{ - if (g) { - sprites.remove(g); - g->SetScene(0); - } -} - -// +--------------------------------------------------------------------+ - -void -Scene::AddLight(Light* l) -{ - if (l) { - if (!lights.contains(l)) - lights.append(l); - l->SetScene(this); - } -} - -void -Scene::DelLight(Light* l) -{ - if (l) { - lights.remove(l); - l->SetScene(0); - } -} - -// +--------------------------------------------------------------------+ - -void -Scene::Collect() -{ - ListIter<Graphic> iter = graphics; - - while (++iter) { - Graphic* g = iter.value(); - if (g->Life() == 0) { - delete iter.removeItem(); - } - } - - iter.attach(sprites); - - while (++iter) { - Graphic* g = iter.value(); - if (g->Life() == 0) { - delete iter.removeItem(); - } - } - - ListIter<Light> iter1 = lights; - - while (++iter1) { - Light* l = iter1.value(); - if (l->Life() == 0) { - delete iter1.removeItem(); - } - } -} - - -// +--------------------------------------------------------------------+ - -bool -Scene::IsLightObscured(const Point& obj_pos, const Point& light_pos, double obj_radius, Point* impact_point) const -{ - Point dir = light_pos - obj_pos; - double len = dir.Normalize(); - - Scene* pThis = (Scene*) this; // cast-away const - Graphic* g = 0; - bool obscured = false; - - ListIter<Graphic> g_iter = pThis->graphics; - while (++g_iter && !obscured) { - g = g_iter.value(); - - if (g->CastsShadow() && !g->Hidden() && !g->IsInfinite()) { - double gdist = (g->Location() - obj_pos).length(); - if (gdist > 0.1 && // different than object being obscured - g->Radius() > obj_radius && // larger than object being obscured - (g->Radius()*400)/gdist > 10) { // projects to a resonable size - - Point delta = (g->Location() - light_pos); - - if (delta.length() > g->Radius() / 100) { // not the object that is emitting the light - Point impact; - obscured = g->CheckRayIntersection(obj_pos, dir, len, impact, false) ? true : false; - - if (impact_point) - *impact_point = impact; - } - } - - else if (obj_radius < 0 && gdist < 0.1) { // special case for camera (needed for cockpits) - Point delta = (g->Location() - light_pos); - - if (delta.length() > g->Radius() / 100) { // not the object that is emitting the light - Point impact; - obscured = g->CheckRayIntersection(obj_pos, dir, len, impact, false) ? true : false; - } - } - } - } - - g_iter.attach(pThis->foreground); - while (++g_iter && !obscured) { - g = g_iter.value(); - - if (g->CastsShadow() && !g->Hidden()) { - double gdist = (g->Location() - obj_pos).length(); - if (gdist > 0.1 && // different than object being obscured - g->Radius() > obj_radius && // larger than object being obscured - (g->Radius()*400)/gdist > 10) { // projects to a resonable size - - Point delta = (g->Location() - light_pos); - - if (delta.length() > g->Radius() / 100) { // not the object that is emitting the light - Point impact; - obscured = g->CheckRayIntersection(obj_pos, dir, len, impact, false) ? true : false; - - if (impact_point) - *impact_point = impact; - } - } - - else if (obj_radius < 0 && gdist < 0.1) { // special case for camera (needed for cockpits) - Point delta = (g->Location() - light_pos); - - if (delta.length() > g->Radius() / 100) { // not the object that is emitting the light - Point impact; - obscured = g->CheckRayIntersection(obj_pos, dir, len, impact, false) ? true : false; - } - } - } - } - - return obscured; -} |