public LayerManager(int max)
{
MaxLayers = max;
textures = new LookupStrInt(max);
widths = new LookupStrInt(max);
heights = new LookupStrInt(max);
_layer = new Layer();
_layer.set(0,0,0);
}
public Layer GenFBOTexture(int w = -1, int h = -1)
{
if (w == -1) w = width;
if (h == -1) h = height;
int tex;
GL.GenTextures(1, out tex);
GL.BindTexture(TextureTarget.Texture2D, tex);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, w, h, 0, PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMagFilter.Nearest);
Debug.PrintEngine("Generated FBO Texture: " + tex + " (" + w + " , " + h + ")");
Layer returner = new Layer();
returner.set(tex, w, h);
return returner;
}
public void AddLayer(string name, Layer layer)
{
textures.AddEntry(name, layer.t);
widths.AddEntry(name, layer.w);
heights.AddEntry(name, layer.h);
}
//ok
public void Render_SceneToLayer(Layer layer, bool usecam = true)
{
core.SetData();
fbo.Use(layer.t);
if (usecam)
{
shader_plain.SetVariable("cam_pos", game.camera.GetXPixels(), game.camera.GetYPixels(), game.camera.GetZoomX(), game.camera.GetZoomY());
}
else
{
shader_plain.SetVariable("cam_pos", 0, 0, 1, 1);
}
shader_plain.SetVariable("screen_size_half", width / 2, height / 2);
GL.Viewport(0, 0, layer.w, layer.h);
Shader.Bind(shader_plain);
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.Clear(ClearBufferMask.ColorBufferBit);
core.Render();
fbo.DeUse();
GL.Viewport(0, 0, width, height);
}
//ok
public void Render_MergeLayers(Layer[] scene_layer, Layer[] effect_layer)
{
core.ClearData();
core.AddSprite(0, 0, width, height);
core.SetData();
shader_merge.SetVariable("cam_pos", 1, 1, 1, 1);
shader_merge.SetVariable("screen_size_half", width / 2, height / 2);
Shader.Bind(shader_merge);
GL.BlendFunc(BlendingFactorSrc.One, BlendingFactorDest.OneMinusSrcAlpha);
for(int i = 0; i < scene_layer.Length; i++)
{
BindTexture(scene_layer[i].t);
core.Render();
}
core.ClearData();
core.AddSprite(0, 0, width, height);
core.SetData();
shader_merge_effect.SetVariable("brightness", 1f);
shader_merge_effect.SetVariable("screen_size_half", width / 2, height / 2);
shader_merge_effect.SetVariable("cam_pos", 0, 0, 1, 1);
Shader.Bind(shader_merge_effect);
GL.BlendEquationSeparate(BlendEquationMode.FuncAdd, BlendEquationMode.FuncAdd);
GL.BlendFuncSeparate(BlendingFactorSrc.DstColor, BlendingFactorDest.Zero, BlendingFactorSrc.DstAlpha, BlendingFactorDest.Zero);
for (int i = 0; i < effect_layer.Length; i++)
{
BindTexture(effect_layer[i].t);
core.Render();
}
}
//ok
public void RenderLayer(Layer layer)
{
core.ClearData();
core.AddSprite(0, 0, width, height);
core.SetData();
shader_merge.SetVariable("cam_pos", 1, 1, 1, 1);
shader_merge.SetVariable("screen_size_half", width / 2, height / 2);
Shader.Bind(shader_merge);
GL.BlendFunc(BlendingFactorSrc.One, BlendingFactorDest.OneMinusSrcAlpha);
BindTexture(layer.t);
core.Render();
core.ClearData();
}
