/** optimization for Line- and PolygonLayer: collect all pool items and add back in one go. */
private static int addLayerItems(ShortBuffer sbuf, RenderElement l, int type, int pos) {
VertexItem last = null, items = null;
int size = 0;
for (; l != null; l = l.next) {
if (l.type != type) continue;
for (VertexItem it = l.vertexItems; it != null; it = it.next) {
if (it.next == null) {
size += it.used;
sbuf.put(it.vertices, 0, it.used);
} else {
size += VertexItem.SIZE;
sbuf.put(it.vertices, 0, VertexItem.SIZE);
}
last = it;
}
if (last == null) continue;
l.offset = pos;
pos += l.numVertices;
last.next = items;
items = l.vertexItems;
last = null;
l.vertexItems = null;
}
items = VertexItem.pool.releaseAll(items);
return size;
}
static void addPoolItems(RenderElement l, ShortBuffer sbuf) {
/* keep offset of layer data in vbo */
l.offset = sbuf.position() * SHORT_BYTES;
for (VertexItem it = l.vertexItems; it != null; it = it.next) {
if (it.next == null) sbuf.put(it.vertices, 0, it.used);
else sbuf.put(it.vertices, 0, VertexItem.SIZE);
}
l.vertexItems = VertexItem.pool.releaseAll(l.vertexItems);
}
public void compile(ShortBuffer sbuf, boolean addFill) {
addLayerItems(sbuf, baseLayers, POLYGON, addFill ? 4 : 0);
offset[LINE] = sbuf.position() * SHORT_BYTES;
addLayerItems(sbuf, baseLayers, LINE, 0);
// offset[TEXLINE] = size * SHORT_BYTES;
for (RenderElement l = baseLayers; l != null; l = l.next) {
if (l.type == TEXLINE || l.type == MESH) {
l.compile(sbuf);
}
}
for (RenderElement l = textureLayers; l != null; l = l.next) {
l.compile(sbuf);
}
}
private RenderElement getLayer(int level, int type) {
RenderElement layer = null;
if (mCurLayer != null && mCurLayer.level == level) {
layer = mCurLayer;
if (layer.type != type) {
log.error(
"BUG wrong layer {} {} on layer {}",
Integer.valueOf(layer.type),
Integer.valueOf(type),
Integer.valueOf(level));
throw new IllegalArgumentException();
}
return layer;
}
RenderElement l = baseLayers;
if (l == null || l.level > level) {
/* insert new layer at start */
l = null;
} else {
while (true) {
/* found layer */
if (l.level == level) {
layer = l;
break;
}
/* insert layer between current and next layer */
if (l.next == null || l.next.level > level) break;
l = l.next;
}
}
if (layer == null) {
/* add a new RenderElement */
if (type == LINE) layer = new LineLayer(level);
else if (type == POLYGON) layer = new PolygonLayer(level);
else if (type == TEXLINE) layer = new LineTexLayer(level);
else if (type == MESH) layer = new MeshLayer(level);
if (layer == null) throw new IllegalArgumentException();
if (l == null) {
/** insert at start */
layer.next = baseLayers;
baseLayers = layer;
} else {
layer.next = l.next;
l.next = layer;
}
}
/* check if found layer matches requested type */
if (layer.type != type) {
log.error(
"BUG wrong layer {} {} on layer {}",
Integer.valueOf(layer.type),
Integer.valueOf(type),
Integer.valueOf(level));
throw new IllegalArgumentException();
}
mCurLayer = layer;
return layer;
}
/** Set new ExtrusionLayers and clear previous. */
public void setExtrusionLayers(ExtrusionLayer el) {
for (RenderElement l = extrusionLayers; l != null; l = l.next) l.clear();
extrusionLayers = el;
}
/** Set new TextureLayers and clear previous. */
public void setTextureLayers(TextureLayer tl) {
for (RenderElement l = textureLayers; l != null; l = l.next) l.clear();
textureLayers = tl;
}
/** Set new Base-Layers and clear previous. */
public void setBaseLayers(RenderElement layers) {
for (RenderElement l = baseLayers; l != null; l = l.next) l.clear();
baseLayers = layers;
}