// Draw texture at specific position and size (Currently unused)
private void DrawTexture(Texture texture, int xPos, int yPos, int width, int height)
{
Rectangle textureBounding = new Rectangle(xPos, yPos, width, height);
switch (texture.TextureLayout)
{
case TextureLayout.Stretch:
MainBufferDrawer.DrawImage(texture.TextureImage, textureBounding);
break;
case TextureLayout.Tile:
Texture tiledTex = PrepareTiledTexture(texture, textureBounding);
MainBufferDrawer.DrawImage(tiledTex.TextureImage, textureBounding);
break;
case TextureLayout.Center:
int xCenter = (width / 2) - (texture.TextureImage.Width / 2);
int yCenter = (height / 2) - (texture.TextureImage.Height / 2);
textureBounding.X = xCenter;
textureBounding.Y = yCenter;
textureBounding.Width = texture.TextureImage.Width;
textureBounding.Height = texture.TextureImage.Height;
MainBufferDrawer.DrawImage(texture.TextureImage, textureBounding);
break;
}
}
// Just draws background
private void _drawBg()
{
if (GameApplication.GameWindow.CurrentScene.BackgroundTexture != null)
{
MainBufferDrawer.DrawImage(GameApplication.GameWindow.CurrentScene.BackgroundTexture.TextureImage, 0, 0);
}
}
// Game Object drawer
private void _drawGameObjects()
{
// If current scene have any game layer start draw layers
if (GameApplication.GameWindow.CurrentScene.GameLayers.Any())
{
foreach (var layer in GameApplication.GameWindow.CurrentScene.GameLayers)
{
for (int gObjIndex = 0; gObjIndex < layer.Value.GameObjects.Count; gObjIndex++)
{
// If game object bounding box intersects with camera bounding box (In viewport) continue
if (layer.Value.GameObjects[gObjIndex].Transform.CameraBoundings.IntersectsWith(GameApplication.GameWindow.CurrentScene.Camera.CameraBounds))
{
layer.Value.GameObjects[gObjIndex].IsCameraVisible = true; // Set that object is in viewport
// If game object layout is tiled and game object have invalid cached tiled texture, then
if (layer.Value.GameObjects[gObjIndex].ObjectTexture.TextureLayout == TextureLayout.Tile && layer.Value.GameObjects[gObjIndex].IsInvalidTiledTextureCache)
{
// Prepare and save tiled texture in cache
layer.Value.GameObjects[gObjIndex].CachedTiledTexture = PrepareTiledTexture(layer.Value.GameObjects[gObjIndex].ObjectTexture, layer.Value.GameObjects[gObjIndex].Transform.BoundingsRectangle);
// Set that game object have now valid tiled texture in cache
layer.Value.GameObjects[gObjIndex].IsInvalidTiledTextureCache = false;
}
// Draw game object texture in main buffer
MainBufferDrawer.DrawImage(layer.Value.GameObjects[gObjIndex].DrawableImage, layer.Value.GameObjects[gObjIndex].Transform.CameraBoundings);
//if (GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].IsIlluminatingLight)
//{
// GraphicsPath lightPath = new GraphicsPath();
// Rectangle lightRect = new Rectangle((GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].Transform.Width * 5) / 2 - (GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].Transform.Width / 2), (GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].Transform.Height * 5) / 2 - (GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].Transform.Height / 2), GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].Transform.Width * 5, GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].Transform.Height * 5);
// lightPath.AddEllipse(lightRect);
// using (PathGradientBrush grad = new PathGradientBrush(lightPath))
// {
// grad.CenterColor = GameApplication.GameWindow.CurrentScene.GameObjects[gObjIndex].LightColor;
// grad.SurroundColors = new Color[] { Color.Black };
// LightBufferDrawer.FillRectangle(grad, lightRect);
// }
//}
// If true draw debug rectangles (Main bounding box and collision box)
if (DrawDebugRects)
{
MainBufferDrawer.DrawRectangle(DebugRectangleBoundings, layer.Value.GameObjects[gObjIndex].Transform.CameraBoundings); // GameObject main bounding box
MainBufferDrawer.DrawRectangle(DebugCollisionBoxRectangleBoundings, layer.Value.GameObjects[gObjIndex].CollisionBox.CollisionBoxBoundings); // GameObject collision bounding box
}
// Draw debug info about that object
if (DrawDebugInfo)
{
MainBufferDrawer.DrawString("X: " + layer.Value.GameObjects[gObjIndex].X + "\r\nY: " + layer.Value.GameObjects[gObjIndex].Y + "\r\nCamX: " + layer.Value.GameObjects[gObjIndex].Transform.CameraX + "\r\nCamY: " + layer.Value.GameObjects[gObjIndex].Transform.CameraY, GameApplication.GameWindow.Font, FontBrush, layer.Value.GameObjects[gObjIndex].Transform.CameraX, layer.Value.GameObjects[gObjIndex].Transform.CameraY);
}
}
// Or if game object don't intersects with camera bounding box (Not in viewport), set that game object no being visible by camera
else
{
layer.Value.GameObjects[gObjIndex].IsCameraVisible = false;
}
}
}
}
}
// UI layer drawer
private void _drawUiLayer()
{
// If current scene have any UIControl, start draw
if (GameApplication.GameWindow.CurrentScene.UIControls.Any())
{
for (int uiInd = 0; uiInd < GameApplication.GameWindow.CurrentScene.UIControls.Count; uiInd++)
{
GameApplication.GameWindow.CurrentScene.UIControls[uiInd].CallDrawMethod(); // Call user-defined draw method
if (GameApplication.GameWindow.CurrentScene.UIControls[uiInd].DrawableImage != null) // If drawable image not null, drae it
{
MainBufferDrawer.DrawImage(GameApplication.GameWindow.CurrentScene.UIControls[uiInd].DrawableImage, GameApplication.GameWindow.CurrentScene.UIControls[uiInd].Transform.X, GameApplication.GameWindow.CurrentScene.UIControls[uiInd].Transform.Y);
}
}
}
}
// Main draw caller
private void DrawCaller()
{
lock (GameApplication.GameWindow.Canvas.RazorLock) // Set lock for resize or etc.
{
while (IsRunning)
{
// Clear light buffer
//LightBufferDrawer.Clear(Color.Black);
// Set interpolation mode
MainBufferDrawer.InterpolationMode = TextureInterpolationMode;
// If Current Scene not null
if (GameApplication.GameWindow.CurrentScene != null)
{
// Clear Main buffer with scene color
MainBufferDrawer.Clear(GameApplication.GameWindow.CurrentScene.BackgroundColor);
// Draw background
_drawBg();
// Draw gameobjects
_drawGameObjects();
// Calculate and draw lights
//_calcLighting();
// Draw UI controls
_drawUiLayer();
}
else
{
// Or if Current Scene is null just clear all window with base color
MainBufferDrawer.Clear(GameApplication.GameWindow.BaseColor);
}
// Draw main buffer
GameApplication.GameWindow.Canvas.RazorGFX.DrawImage(DrawBuffer, 0, 0);
if (DrawDebugRects) // Draw debug rects if true
{
GameApplication.GameWindow.Canvas.RazorGFX.DrawRectangle(DebugCameraRectangleBoundings, GameApplication.GameWindow.CurrentScene.Camera.CameraBounds);
GameApplication.GameWindow.Canvas.RazorGFX.DrawRectangle(DebugMousePointRectangleBoundings, GameApplication.GameWindow.MousePoint);
}
if (DrawDebugInfo) // Draw debug texts if true
{
GameApplication.GameWindow.Canvas.RazorGFX.DrawString($"craftersmine EtherEngine{Environment.NewLine}{Environment.NewLine}WindowSize: {GameApplication.GameWindow.Width}x{GameApplication.GameWindow.Height}{Environment.NewLine}DrawCall: {DrawCall} {Environment.NewLine}FPS: {Framerate}{Environment.NewLine}{AdditionalDebugInfo}", GameApplication.GameWindow.Font, FontBrush, 0, 0);
}
// Render
GameApplication.GameWindow.Canvas.RazorPaint();
DrawCall++; // Increment draw call
}
}
}
// Global illumination and objects illumination (Lighting)
private void _calcLighting()
{
// Set light buffer opacity and draw it on main buffer
SetImageOpacity(LightingBuffer, 1.0f - GameApplication.GameWindow.CurrentScene.LightValue);
MainBufferDrawer.DrawImage(LightingBuffer, 0, 0);
}
