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| author | FWoltermann@gmail.com <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2011-12-08 14:53:40 +0000 |
|---|---|---|
| committer | FWoltermann@gmail.com <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2011-12-08 14:53:40 +0000 |
| commit | e33e19d0587146859d48a134ec9fd94e7b7ba5cd (patch) | |
| tree | 69d048c8801858d2756ab3a487090a7a1b74bf14 /nGenEx/Graphic.cpp | |
| download | starshatter-e33e19d0587146859d48a134ec9fd94e7b7ba5cd.zip starshatter-e33e19d0587146859d48a134ec9fd94e7b7ba5cd.tar.gz starshatter-e33e19d0587146859d48a134ec9fd94e7b7ba5cd.tar.bz2 | |
Initial upload
Diffstat (limited to 'nGenEx/Graphic.cpp')
| -rw-r--r-- | nGenEx/Graphic.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/nGenEx/Graphic.cpp b/nGenEx/Graphic.cpp new file mode 100644 index 0000000..7d63301 --- /dev/null +++ b/nGenEx/Graphic.cpp @@ -0,0 +1,170 @@ +/* Project nGenEx
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: Graphic.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ Abstract 3D Graphic Object
+*/
+
+#include "MemDebug.h"
+#include "Graphic.h"
+#include "Scene.h"
+#include "Projector.h"
+
+// +--------------------------------------------------------------------+
+
+int Graphic::id_key = 1;
+
+// +--------------------------------------------------------------------+
+
+Graphic::Graphic()
+ : id(id_key++), visible(true), loc(0.0f, 0.0f, 0.0f),
+ radius(0.0f), infinite(0), foreground(0), hidden(0), life(-1),
+ trans(false), shadow(false), luminous(false), depth(0.0f), scene(0)
+{
+ screen_rect.x = 0;
+ screen_rect.y = 0;
+ screen_rect.w = 0;
+ screen_rect.h = 0;
+
+ ZeroMemory(name, sizeof(name));
+ strcpy(name, "Graphic");
+}
+
+// +--------------------------------------------------------------------+
+
+Graphic::~Graphic()
+{ }
+
+int
+Graphic::operator < (const Graphic& g) const
+{
+ if (!infinite && g.infinite)
+ return 1;
+
+ else if (infinite && !g.infinite)
+ return 0;
+
+ double za = fabs(Depth());
+ double zb = fabs(g.Depth());
+
+ return (za < zb);
+}
+
+int
+Graphic::operator <= (const Graphic& g) const
+{
+ if (!infinite && g.infinite)
+ return 1;
+
+ else if (infinite && !g.infinite)
+ return 0;
+
+ double za = fabs(Depth());
+ double zb = fabs(g.Depth());
+
+ return (za <= zb);
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Graphic::SetInfinite(bool b)
+{
+ infinite = (BYTE) b;
+
+ if (infinite)
+ depth = 1.0e9f;
+}
+
+// +--------------------------------------------------------------------+
+
+int
+Graphic::Nearer(Graphic* a, Graphic* b)
+{
+ if (a->depth < b->depth) return -1;
+ else if (a->depth == b->depth) return 0;
+ else return 1;
+}
+
+// +--------------------------------------------------------------------+
+
+int
+Graphic::Farther(Graphic* a, Graphic* b)
+{
+ if (a->depth > b->depth) return -1;
+ else if (a->depth == b->depth) return 0;
+ else return 1;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Graphic::Destroy()
+{
+ if (scene)
+ scene->DelGraphic(this);
+
+ delete this;
+}
+
+// +--------------------------------------------------------------------+
+
+int
+Graphic::CollidesWith(Graphic& o)
+{
+ Point delta_loc = loc - o.loc;
+
+ // bounding spheres test:
+ if (delta_loc.length() > radius + o.radius)
+ return 0;
+
+ return 1;
+}
+
+// +--------------------------------------------------------------------+
+
+int
+Graphic::CheckRayIntersection(Point Q, Point w, double len, Point& ipt,
+ bool treat_translucent_polys_as_solid)
+{
+ return 0;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Graphic::ProjectScreenRect(Projector* p)
+{
+ screen_rect.x = 2000;
+ screen_rect.y = 2000;
+ screen_rect.w = 0;
+ screen_rect.h = 0;
+}
+
+// +--------------------------------------------------------------------+
+
+bool
+Graphic::CheckVisibility(Projector& projector)
+{
+ if (projector.IsVisible( Location(), Radius()) &&
+ projector.ApparentRadius(Location(), Radius()) > 1) {
+
+ visible = true;
+ }
+ else {
+ visible = false;
+ screen_rect.x = 2000;
+ screen_rect.y = 2000;
+ screen_rect.w = 0;
+ screen_rect.h = 0;
+ }
+
+ return visible;
+}
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