Initial clone in from local subversion server

Display.cpp

@@ -0,0 +1,119 @@
+#include "Display.h"
+#include "Actor.h"
+#include <iostream>
+
+Display::Display()
+{
+    this->active = 0;
+    return;
+}
+
+Display::~Display()
+{
+    if ( this->canvas != NULL && this->canvas->refcount > 0 ) {
+	SDL_FreeSurface(this->canvas);
+    }
+}
+
+int Display::isActive()
+{
+    return this->active;
+}
+
+void Display::setActive(int active)
+{
+    this->active = active;
+}
+
+int Display::initVideo(Vector pos, int w, int h, int depth, int flags)
+{
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+    int rmask = 0xff000000;
+    int gmask = 0x00ff0000;
+    int bmask = 0x0000ff00;
+  //int amask = 0x000000ff;
+#else
+    int rmask = 0x000000ff;
+    int gmask = 0x0000ff00;
+    int bmask = 0x00ff0000;
+  //int amask = 0xff000000;
+#endif
+    this->setPosition(pos);
+    this->canvas = SDL_CreateRGBSurface(flags, w, h, depth, rmask, gmask, bmask, 0);
+    if ( this->canvas == NULL ) {
+	//std::cerr << "Failed to create new SDL surface. Error was: " << SDL_GetError() << "\n";
+	return 1;
+    }
+    ////std::cerr << "Created new SDL surface at " << this->canvas << "\n";
+    return 0;
+}
+
+int Display::addActor(Actor *actor)
+{
+     if ( actor == NULL ) {
+         //std::cerr << "NULL actor!";
+         return 1;
+     }
+     //std::cerr << "Adding actor " << actor << " to Display " << this << "\n";
+     ActorListIterator iter = this->actors.begin();
+     while ( iter != this->actors.end() ) {
+	 if ( *iter == actor ) {
+	     return 1;
+	 }
+	 iter++;
+     }
+     
+     this->actors.push_back(actor);
+     return 0;
+}
+
+Actor *Display::getActor(unsigned int index)
+{
+    if ( index < this->actors.size() ) {
+	return this->actors.at(index);
+    }
+    return NULL;
+}
+
+int Display::removeActor(Actor *actor)
+{
+    ActorListIterator iter = this->actors.begin();
+    //std::cerr << "Trying to delete actor " << actor << " from master list\n";
+    while ( iter != this->actors.end() ) {
+        if ( (*iter) == actor ) {
+	  //std::cerr << "Found it!\n";
+            this->actors.erase(iter);
+            return 0;
+        }
+        iter++;
+    }
+    return 1;
+}
+
+SDL_Surface *Display::nextFrame()
+{
+    //std::cerr << "[" << this << "]::nextFrame active = " << this->active << "\n";
+    if ( this->active == 1 ) {
+	return this->canvas;
+    } else {
+	return NULL;
+    }
+}
+
+SDL_PixelFormat *Display::pixelFormat()
+{
+    return this->canvas->format;
+}
+
+int Display::objectsOfType(unsigned int userType)
+{
+    int ocount = 0;
+    ActorListIterator iter = this->actors.begin();
+    while ( iter != this->actors.end() ) {
+        if ( (*iter)->getUserType() == userType ) {
+	    ocount += 1;
+	}
+	iter++;
+    }
+    return ocount;
+}