public bool UpdateInstance(ulong instanceGUID, CGGameObject_C gameObject)
{
if (gameObject.DisplayInfo == null)
{
return(false);
}
var gameObjectDisplayInfo = gameObject.DisplayInfo;
var positionMatrix = gameObject.PositionMatrix;
var entry = gameObjectDisplayInfo.ID;
if (_models.TryGetValue(entry, out WorldModel instance))
{
return(instance.UpdateInstance(instanceGUID, ref positionMatrix));
}
var modelSpawn = WorldModelCache.OpenInstance(_directory, Path.GetFileName(gameObjectDisplayInfo.Filename).Replace(".mdx", ".m2"));
if (modelSpawn == null)
{
return(false);
}
var modelInstanceGUID = modelSpawn.UpdateInstance(instanceGUID, ref positionMatrix);
// reference type, so it is irrelevant if we didn't manage to save it - a thread did before us!
_models.TryAdd(gameObject.DisplayInfo.ID, modelSpawn);
return(modelInstanceGUID);
}
public void Render(int centerTileX, int centerTileY, int renderRange)
{
// todo implement global model
if (!_isTiled)
{
return;
}
var wmoProgram = ShaderProgramCache.Instance.Get("wmo");
var view = Matrix4.Mult(Game.Camera.View, Game.Camera.Projection);
var cameraDirection = Game.Camera.Forward;
wmoProgram.Use();
wmoProgram.UniformMatrix("projection_view", false, ref view);
wmoProgram.UniformVector("camera_direction", ref cameraDirection);
wmoProgram.UniformVector("object_color", ref WMO_COLOR);
foreach (var kv in _grids)
{
var xInRange = Math.Abs(kv.Value.X - centerTileX) <= renderRange;
var yInRange = Math.Abs(kv.Value.Y - centerTileY) <= renderRange;
if (!xInRange || !yInRange)
{
kv.Value.RemoveInstances();
}
}
for (var i = centerTileY - renderRange; i <= centerTileY + renderRange; ++i)
{
for (var j = centerTileX - renderRange; j <= centerTileX + renderRange; ++j)
{
if (!_grids.TryGetValue(PackTile(j, i), out var gridRenderer))
{
LoadGrid(j, i);
}
else
{
gridRenderer.AddInstances();
}
}
}
// Now that all instances are added, render everything in one single pass
foreach (var kv in _grids.SelectMany(grid => grid.Value.Models).Distinct())
{
var worldModel = WorldModelCache.OpenInstance(_directory, kv);
if (worldModel == null)
{
continue;
}
worldModel.Render();
}
}
public void LoadInstances(string directory, int mapID, int tileX, int tileY)
{
_directory = directory;
X = tileX;
Y = tileY;
var filePath = Path.Combine(directory, "vmaps", $"{mapID:D3}_{tileX:D2}_{tileY:D2}.vmtile");
if (!File.Exists(filePath))
{
return;
}
using (var reader = new BinaryReader(File.OpenRead(filePath)))
{
reader.BaseStream.Position += 8; // Skip magic
var numModelBatches = reader.ReadInt32();
for (var i = 0; i < numModelBatches; ++i)
{
var modelSpawn = new ModelSpawn(directory, reader);
reader.BaseStream.Position += 4;
var modelName = modelSpawn.ModelName;
var modelPosition = modelSpawn.PositionMatrix;
var worldModel = WorldModelCache.OpenInstance(directory, modelName);
if (!_instanceGUIDs.TryGetValue(modelName, out var storageDictionary))
{
storageDictionary = _instanceGUIDs[modelName] = new Dictionary <ulong, Matrix4>();
}
storageDictionary.Add(worldModel.AddInstance(ref modelPosition), modelPosition);
}
}
_instancesRendered = true;
}
public void RemoveInstances()
{
if (!_instancesRendered)
{
return;
}
_instancesRendered = false;
foreach (var kv in _instanceGUIDs)
{
var worldModel = WorldModelCache.OpenInstance(_directory, kv.Key);
if (worldModel == null)
{
continue;
}
foreach (var kv2 in kv.Value)
{
worldModel.RemoveInstance(kv2.Key);
}
}
}
public void AddInstances()
{
if (_instancesRendered)
{
return;
}
_instancesRendered = true;
foreach (var kv in _instanceGUIDs)
{
var worldModel = WorldModelCache.OpenInstance(_directory, kv.Key);
if (worldModel == null)
{
continue;
}
foreach (var kv2 in kv.Value)
{
var instanceMatrix = kv2.Value;
worldModel.AddInstance(ref instanceMatrix);
}
}
}