projects/mtg/src/TexturesCache.cpp

@@ -0,0 +1,119 @@
+#include "../include/debug.h"
+#include "../include/TexturesCache.h"
+
+TexturesCache::TexturesCache(){
+  nb_textures = 0;
+	totalsize = 0;
+  delete_previous = 0;
+	lastTime = 0;
+	for (int i=0; i<MAX_CACHE_OBJECTS;i++){
+		cache[i] = NULL;
+	}
+}
+
+TexturesCache::~TexturesCache(){
+	LOG("==Destroying TexturesCache==");
+	for (int i = 0; i < nb_textures; i++){
+		delete cache[i];
+	}
+	LOG("==Destroying TexturesCache Successful==");
+}
+
+int TexturesCache::isInCache(MTGCard * card, int type){
+	int cache_id = getCacheById(card->getId(), type);
+	if (cache_id == -1)
+		return 0;
+	return 1;
+}
+
+int TexturesCache::getCacheById(int id, int type){
+  int i;
+  for (i=0; i<nb_textures;i++){
+    if (cache[i]->type == type && cache[i]->getId() == id){
+      return i;
+    }
+  }
+  return -1;
+}
+
+int TexturesCache::getOldestQuad(){
+	int oldest = -1;
+	int result = -1;
+	for (int i= 0; i < nb_textures; i++){
+		if (oldest == -1 || oldest > cache[i]->lastTime){
+			oldest = cache[i]->lastTime;
+			result = i;
+		}
+	}
+	return result;
+}
+
+void TexturesCache::removeQuad(int id){
+	totalsize -= cache[id]->nbpixels;
+	delete cache[id];
+	cache[id] = cache[nb_textures - 1];
+	cache[nb_textures - 1] = NULL;
+	nb_textures--;
+}
+
+int TexturesCache::cleanup(){
+	while (nb_textures >= MAX_CACHE_OBJECTS - 1 || totalsize > CACHE_SIZE_PIXELS){
+			int i = getOldestQuad();
+			if (i == -1) return 0;
+			removeQuad(i);
+	}
+	return 1;
+}
+
+JQuad * TexturesCache::getQuad(MTGCard * card, int type){
+  int cache_id = getCacheById(card->getId(), type);
+  if (cache_id == -1){
+    fprintf(stderr, "not found %d\n", card->getId());
+    //Not found in the cache, we have to load the file and put it in the cache
+		if (cleanup()){
+			cache_id = nb_textures;
+			cache[cache_id] = NEW CardTexture(card, type);
+			totalsize+= cache[cache_id]->nbpixels;
+			nb_textures++;
+		}
+  }
+	cache[cache_id]->lastTime = lastTime++;
+  return cache[cache_id]->getQuad();
+}
+
+int CardTexture::getId(){
+  return mtgid;
+}
+
+CardTexture::CardTexture(MTGCard * card, int _type): type(_type){
+	LOG("==Creating CardTexture Object");
+  char filename[100];
+  quad = NULL;
+	nbpixels = 0;
+	lastTime = 0;
+	if (type == CACHE_THUMB){
+		sprintf(filename, "sets/%s/thumbnails/%s", card->getSetName(), card->getImageName());
+	}else{
+		sprintf(filename, "sets/%s/%s", card->getSetName(), card->getImageName());
+	}
+
+  tex = JRenderer::GetInstance()->LoadTexture(filename, false);
+  if (tex){
+		quad = NEW JQuad(tex, 0.0f, 0.0f, tex->mWidth, tex->mHeight);
+		nbpixels = tex->mTexHeight * tex->mTexWidth;
+  }
+  mtgid = card->getId();
+	LOG("CardTexture Object Creation succesful");
+}
+
+JQuad * CardTexture::getQuad(){
+  return quad;
+}
+
+CardTexture::~CardTexture(){
+	LOG("==Deleting CardTexture Object");
+  SAFE_DELETE(quad);
+  SAFE_DELETE(tex);
+	LOG("CardTexture Object deletion Succesful");
+}
+