Initial working version of many miso classes. The beginnings of some

of our tile- and scene-related machinations. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@44 542714f4-19e9-0310-aa3c-eee0fc999fb1
2001-07-12 22:38:03 +00:00
parent c8af354d2d
commit 672fecf682
16 changed files with 848 additions and 0 deletions
@@ -0,0 +1,115 @@
+//
+// $Id: IsoSceneView.java,v 1.1 2001/07/12 22:38:03 shaper Exp $
+
+package com.threerings.cocktail.miso.scene;
+
+import com.threerings.cocktail.miso.tile.Tile;
+import com.threerings.cocktail.miso.tile.TileManager;
+
+import java.awt.*;
+
+/**
+ * The IsoSceneView provides an isometric graphics view of a
+ * particular scene.
+ */
+public class IsoSceneView implements SceneView
+{
+    public IsoSceneView (TileManager tmgr)
+    {
+	_tmgr = tmgr;
+	
+	_viewX = 0;
+	_viewY = 0;
+
+	_bounds = new Rectangle(0, 0, DEF_BOUNDS_WIDTH, DEF_BOUNDS_HEIGHT);
+    }
+
+    public void paint (Graphics g)
+    {
+
+	_offGraphics.setColor(Color.white);
+	_offGraphics.fillRect(0, 0, _bounds.width, _bounds.height);
+
+	renderScene(_offGraphics, _viewX, _viewY);
+
+	g.drawImage(_offImage, 0, 0, null);
+    }
+
+    protected void renderScene (Graphics g, int x, int y)
+    {
+	int mapX = x / Tile.HALF_WIDTH;
+	int xOff = x & (Tile.HALF_WIDTH - 1);
+
+	int mapY = y / Tile.HEIGHT;
+	int yOff = y & Tile.HEIGHT - 1;
+
+	int xa   = xOff - yOff;
+	int ya   = (xOff >> 1) + (yOff >> 1);
+
+	int mx = mapX;
+	int my = mapY;
+
+	int screenY = OFF_Y + (Tile.HALF_HEIGHT - ya);
+
+	for (int ii = 0; ii < Scene.TILE_HEIGHT; ii++) {
+	    int tx = mx;
+	    int ty = my;
+
+	    int screenX = OFF_X + (Tile.HALF_WIDTH - xa);
+
+	    int length = Scene.TILE_WIDTH;
+	    if ((ii & 1) == 1) {
+		length++;
+		screenX -= Tile.HALF_WIDTH;
+	    }
+
+	    for (int j = 0; j < length; j++) {
+		// TODO: draw layers L1+.
+		Tile tile = _scene.tiles[tx][ty][Scene.LAYER_BASE];
+
+		g.drawImage(tile.img, screenX, screenY, null);
+
+		screenX += Tile.WIDTH;
+
+		if ((tx += 1) > Scene.TILE_WIDTH - 1) tx = 0;
+		if ((ty -= 1) < 0) ty = Scene.TILE_HEIGHT - 1;
+	    }
+
+	    screenY += Tile.HALF_HEIGHT;
+
+	    if ((ii & 1) == 1) {
+		if ((mx += 1) > Scene.TILE_WIDTH - 1) mx = 0;
+	    } else {
+		if ((my += 1) > Scene.TILE_HEIGHT - 1) my = 0;
+	    }
+	}
+    }
+
+    public void setScene (Scene scene)
+    {
+	_scene = scene;
+    }
+    
+    public void setTarget (Component target)
+    {
+	_offImage = target.createImage(_bounds.width, _bounds.height);
+	_offGraphics = _offImage.getGraphics();
+    }
+
+    protected static final int OFF_X = -Tile.WIDTH;
+    protected static final int OFF_Y = 0;
+
+    protected static final int DEF_BOUNDS_WIDTH = 600;
+    protected static final int DEF_BOUNDS_HEIGHT = 600;
+
+    protected Rectangle _bounds;
+
+    protected int       _viewX, _viewY;
+
+    protected Graphics  _offGraphics;
+    protected Image     _offImage;
+
+    protected Scene _scene;
+
+    protected TileManager _tmgr;
+}