public override void DrawImage(GridCoord point, string image, short width, short height)
{
// Convert the width and height into window coords.
width = (short)(width * (m_windowSizeX / m_camera.ZoomLevelX));
height = (short)(height * (m_windowSizeY / m_camera.ZoomLevelY));
// Cache the texture for future use.
if (!m_textures.ContainsKey(image))
{
CacheTexture(image, width, height);
}
IntPtr imagePtr = m_textures[image];
Sdl.SDL_Surface imageSurface = (Sdl.SDL_Surface)System.Runtime.InteropServices.Marshal.PtrToStructure(imagePtr, typeof(Sdl.SDL_Surface));
// Also resize the texture if necessary
if ((imageSurface.w != width)
||
(imageSurface.h != height))
{
CacheTexture(image, width, height);
}
Sdl.SDL_Rect imageRect = new Sdl.SDL_Rect(0, 0, (short)imageSurface.w, (short)imageSurface.h);
WindowCoord wpoint = GridToWindowCoords(point);
Sdl.SDL_Rect dstRect = new Sdl.SDL_Rect((short)wpoint.X,(short)wpoint.Y,(short)imageSurface.w,(short)imageSurface.h);
Sdl.SDL_BlitSurface(imagePtr, ref imageRect, m_surface, ref dstRect);
}
public void SetGridPosition(GridCoord coord)
{
m_gridPosX = coord.X;
m_gridPosY = coord.Y;
}
public Grid(int initialX, int initialY)
{
m_sizeX = initialX;
m_sizeY = initialY;
m_tiles = new Tile[m_sizeX*m_sizeY];
Random random = new Random(1);
GridCoord gridcoord = new GridCoord(0,0);
// Enumerate the tile type array.
Tile.TileType[] typearray = (Tile.TileType[])Enum.GetValues(typeof(Tile.TileType));
List<Tile.TileType> typelist = new List<Tile.TileType>(typearray);
typelist.Remove(Tile.TileType.Max);
typelist.Remove(Tile.TileType.OctopusGarden);
for (int i = 0; i<(m_sizeX*m_sizeY);i++)
{
gridcoord.X = i%m_sizeY;
gridcoord.Y = (float)Math.Floor((float)i / (float)m_sizeY);
Tile.TileType type = Tile.TileType.Bedrock;
// Edge tiles are always bedrock.
if (this.IsEdgeTile(gridcoord))
{
type = Tile.TileType.Bedrock;
}
else
{
// Pick a random tile for now. Later define some simple rules for tile growth
int rand = random.Next(typelist.Count);
type = typelist[rand];
}
// Actually create the tile.
Tile tile;
switch(type)
{
case Tile.TileType.Bedrock:
tile = new TileBedrock();
break;
case Tile.TileType.Rock:
tile = new TileRock();
break;
case Tile.TileType.Seaweed:
tile = new TileSeaweed();
break;
case Tile.TileType.Sand:
default:
tile = new TileSand();
break;
}
// Set the tile in the grid.
tile.SetGridPosition(gridcoord);
m_tiles[i] = tile;
}
}
public bool IsEdgeTile(GridCoord coord)
{
if ((coord.X == 0)
||
(coord.Y == 0)
||
(coord.X == this.SizeX - 1)
||
(coord.Y == this.SizeY - 1))
return true;
else
return false;
}
public void DrawBorder()
{
Renderer renderer = Renderer.GetRenderer();
GridCoord topLeft = new GridCoord(m_gridPosX, m_gridPosY);
GridCoord bottomLeft = new GridCoord(m_gridPosX, m_gridPosY+1);
GridCoord bottomRight = new GridCoord(m_gridPosX+1, m_gridPosY+1);
GridCoord topRight = new GridCoord(m_gridPosX, m_gridPosY+1);
renderer.DrawLine(topLeft, topRight, Color.White);
renderer.DrawLine(topRight, bottomRight, Color.White);
renderer.DrawLine(bottomRight, bottomLeft, Color.White);
renderer.DrawLine(bottomLeft, topLeft, Color.White);
}
public void SetGridPosition(GridCoord coord)
{
m_gridPosX = (int)Math.Floor(coord.X);
m_gridPosY = (int)Math.Floor(coord.Y);
}
public WindowCoord GridToWindowCoords(GridCoord gridCoord)
{
GridCoord camerapos = m_camera.GetGridPosition();
float cameraTopLeftX = camerapos.X - m_camera.ZoomLevelX/2;
float cameraTopLeftY = camerapos.Y - m_camera.ZoomLevelY/2;
float windowCoordX = (gridCoord.X-cameraTopLeftX) * (m_windowSizeX / m_camera.ZoomLevelX);
float windowCoordY = (gridCoord.Y-cameraTopLeftY) * (m_windowSizeY / m_camera.ZoomLevelY);
return new WindowCoord(windowCoordX, windowCoordY);
}
public abstract void DrawText(GridCoord point, int size, string text, System.Drawing.Color colour);
public abstract void DrawLine(GridCoord pointStart, GridCoord pointEnd, System.Drawing.Color colour);
public abstract void DrawImage(GridCoord point, string image, short width, short height);
public bool IsVisible(GridCoord pointTopLeft, GridCoord pointTopRight, GridCoord pointBottomRight, GridCoord pointBottomLeft)
{
return true;
}
public bool IsVisible(GridCoord pointStart, GridCoord pointEnd)
{
return true;
}
/*public bool IsVisible(GridCoord coord)
{
GridCoord cameraCoord = m_camera.GetGridPosition();
// Easy - check the bounds of the camera box.
if ((coord.X < cameraCoord.X - m_camera.ZoomLevel/2)
||
(coord.X > cameraCoord.X + m_camera.ZoomLevel/2)
||
(coord.Y < cameraCoord.Y - m_camera.ZoomLevel/2)
||
(coord.Y > cameraCoord.Y + m_camera.ZoomLevel/2))
return false;
else
return true;
}
public bool IsVisible(GridCoord pointStart, GridCoord pointEnd)
{
GridCoord cameraCoord = m_camera.GetGridPosition();
if (IsVisible(pointStart)
||
IsVisible(pointEnd)
||
// Check for the case where the points lie either side of the camera box.
((cameraCoord.X - m_camera.ZoomLevel/2 > pointStart.X) && (cameraCoord.X + m_camera.ZoomLevel/2 < pointEnd.X)
&&
(cameraCoord.Y - m_camera.ZoomLevel/2 > pointStart.Y) && (cameraCoord.Y + m_camera.ZoomLevel/2 < pointEnd.Y)))
return true;
else
return false;
}
public bool IsVisible(GridCoord pointTopLeft, GridCoord pointTopRight, GridCoord pointBottomRight, GridCoord pointBottomLeft)
{
if (IsVisible(pointTopLeft, pointTopRight)
||
IsVisible(pointTopRight, pointBottomRight)
||
IsVisible(pointBottomRight, pointBottomLeft)
||
IsVisible(pointBottomLeft, pointTopLeft))
return true;
else
return false;
}*/
public bool IsVisible(GridCoord point)
{
return true;
}
public override void DrawText(GridCoord point, int size, string text, System.Drawing.Color colour)
{
// Convert the colour
Sdl.SDL_Color sdlcolour = new Sdl.SDL_Color(colour.R, colour.G, colour.B, colour.A);
// Render the text to a surface
IntPtr renderPtr = SdlTtf.TTF_RenderText_Solid(m_mainfont, text, sdlcolour);
Sdl.SDL_Surface fontSurface = (Sdl.SDL_Surface)System.Runtime.InteropServices.Marshal.PtrToStructure(renderPtr, typeof(Sdl.SDL_Surface));
// Calculate visibility
WindowCoord wpoint = GridToWindowCoords(point);
GridCoord toprightpoint = WindowToGridCoords(new WindowCoord(wpoint.X + fontSurface.w, wpoint.Y));
GridCoord bottomrightpoint = WindowToGridCoords(new WindowCoord(wpoint.X + fontSurface.w, wpoint.Y + fontSurface.h));
GridCoord bottomleftpoint = WindowToGridCoords(new WindowCoord(wpoint.X, wpoint.Y + fontSurface.h));
if (IsVisible(point,toprightpoint,bottomrightpoint,bottomleftpoint))
{
// Then blit this to the main window
Sdl.SDL_Rect fontRect = new Sdl.SDL_Rect(0, 0, (short)fontSurface.w, (short)fontSurface.h);
Sdl.SDL_Rect dstRect = new Sdl.SDL_Rect((short)wpoint.X,(short)wpoint.Y,(short)fontSurface.w,(short)fontSurface.h);
Sdl.SDL_BlitSurface(renderPtr, ref fontRect, m_surface, ref dstRect);
}
// Clean up the mess
Sdl.SDL_FreeSurface(renderPtr);
}
public override void DrawLine(GridCoord pointStart, GridCoord pointEnd, System.Drawing.Color colour)
{
if (IsVisible(pointStart, pointEnd))
{
WindowCoord wpointStart = GridToWindowCoords(pointStart);
WindowCoord wpointEnd = GridToWindowCoords(pointEnd);
int result = SdlGfx.aalineRGBA(m_surface, (short)wpointStart.X, (short)wpointStart.Y, (short)wpointEnd.X, (short)wpointEnd.Y, colour.R, colour.G, colour.B, colour.A);
if (result == -1)
{
throw new RenderException("Could not draw the line");
}
}
}