Revamped iso scene rendering to draw the entire scene-space. Still
need to fix screen-to-tile coords mapping, position scene display correctly, and perhaps allow asymmetric scene dimensions. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@79 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Walter Korman
@@ -1,5 +1,5 @@
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//
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// $Id: IsoSceneView.java,v 1.8 2001/07/19 00:22:02 shaper Exp $
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// $Id: IsoSceneView.java,v 1.9 2001/07/19 23:11:27 shaper Exp $
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package com.threerings.miso.scene;
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@@ -21,9 +21,6 @@ public class IsoSceneView implements SceneView
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{
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_tmgr = tmgr;
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_viewX = 0;
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_viewY = 0;
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_bounds = new Rectangle(0, 0, DEF_BOUNDS_WIDTH, DEF_BOUNDS_HEIGHT);
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_htile = new Point();
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@@ -46,119 +43,121 @@ public class IsoSceneView implements SceneView
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{
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Graphics2D gfx = (Graphics2D)g;
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gfx.setColor(Color.red);
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gfx.fillRect(0, 0, _bounds.width, _bounds.height);
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// gfx.setColor(Color.red);
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// gfx.fillRect(0, 0, _bounds.width, _bounds.height);
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// draw the full scene into the offscreen image buffer
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renderScene(gfx, _viewX, _viewY);
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renderScene(gfx);
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}
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protected void renderScene (Graphics2D g2, int x, int y)
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protected void renderScene (Graphics2D gfx)
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{
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int mapX = x / Tile.HALF_WIDTH;
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int xOff = x & (Tile.HALF_WIDTH - 1);
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int mx = 1;
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int my = 0;
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int mapY = y / Tile.HEIGHT;
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int yOff = y & Tile.HEIGHT - 1;
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int screenY = Tile.HALF_HEIGHT;
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int xa = xOff - yOff;
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int ya = (xOff >> 1) + (yOff >> 1);
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int mx = mapX;
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int my = mapY;
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int screenY = OFF_Y + (Tile.HALF_HEIGHT - ya);
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for (int ii = 0; ii < Scene.TILE_HEIGHT; ii++) {
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int tx = mx;
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for (int ii = 0; ii < TILE_RENDER_ROWS; ii++) {
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// determine starting tile coordinates
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int tx = (ii < Scene.TILE_HEIGHT) ? 0 : mx++;
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int ty = my;
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int screenX = OFF_X + (Tile.HALF_WIDTH - xa);
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// determine number of tiles in this row
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int length = (ty - tx) + 1;
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int length = Scene.TILE_WIDTH;
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if ((ii & 1) == 1) {
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length++;
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screenX -= Tile.HALF_WIDTH;
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}
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// determine starting screen x-position
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int screenX = DEF_CENTER_X - ((length - 1) * Tile.HALF_WIDTH);
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for (int j = 0; j < length; j++) {
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// TODO: draw layers L1+.
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// grab the tile we're rendering
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Tile tile = _scene.tiles[tx][ty][Scene.LAYER_BASE];
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// determine screen y-position accounting for tile image height
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int ypos = screenY - (tile.height - Tile.HEIGHT);
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g2.drawImage(tile.img, screenX, ypos, null);
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//paintCoords(g2, tx, ty, screenX, screenY);
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// draw the tile image at the appropriate screen position
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gfx.drawImage(tile.img, screenX, ypos, null);
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// draw tile coordinates in each tile
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paintCoords(gfx, tx, ty, screenX, screenY);
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// draw an outline around the highlighted tile
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if (tx == _htile.x && ty == _htile.y) {
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paintHighlightedTile(g2, screenX, screenY);
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paintHighlightedTile(gfx, screenX, screenY);
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}
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// each tile is one tile-width to the right of the previous
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screenX += Tile.WIDTH;
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if ((tx += 1) > Scene.TILE_WIDTH - 1) tx = 0;
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if ((ty -= 1) < 0) ty = Scene.TILE_HEIGHT - 1;
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// advance tile x and decrement tile y as we move to
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// the right drawing the row
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tx++;
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ty--;
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}
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// each row is a half-tile-height away from the previous row
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screenY += Tile.HALF_HEIGHT;
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if ((ii & 1) == 1) {
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if ((mx += 1) > Scene.TILE_WIDTH - 1) mx = 0;
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} else {
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if ((my += 1) > Scene.TILE_HEIGHT - 1) my = 0;
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}
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// advance starting y-axis coordinate unless we've hit bottom
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if ((++my) > Scene.TILE_HEIGHT - 1) my = Scene.TILE_HEIGHT - 1;
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}
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paintMouseLines(gfx);
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}
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protected void paintMouseLines (Graphics2D gfx)
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{
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// draw the baseline x-axis line
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g2.setColor(Color.red);
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g2.drawLine(_lineX[0].x, _lineX[0].y, _lineX[1].x, _lineX[1].y);
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gfx.setColor(Color.red);
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gfx.drawLine(_lineX[0].x, _lineX[0].y, _lineX[1].x, _lineX[1].y);
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// draw line from last mouse pos to baseline
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g2.setColor(Color.yellow);
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g2.drawLine(_lineY[0].x, _lineY[0].y, _lineY[1].x, _lineY[1].y);
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gfx.setColor(Color.yellow);
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gfx.drawLine(_lineY[0].x, _lineY[0].y, _lineY[1].x, _lineY[1].y);
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// draw the most recent mouse cursor position
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g2.setColor(Color.green);
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g2.fillRect(_lineY[0].x, _lineY[0].y, 2, 2);
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g2.setColor(Color.red);
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g2.drawRect(_lineY[0].x - 1, _lineY[0].y - 1, 3, 3);
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gfx.setColor(Color.green);
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gfx.fillRect(_lineY[0].x, _lineY[0].y, 2, 2);
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gfx.setColor(Color.red);
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gfx.drawRect(_lineY[0].x - 1, _lineY[0].y - 1, 3, 3);
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}
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/**
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* Paint the tile coordinates in tile (x, y) whose top-left corner
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* is at screen coordinates (sx, sy).
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*/
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protected void paintCoords (Graphics2D g2, int x, int y, int sx, int sy)
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protected void paintCoords (Graphics2D gfx, int x, int y, int sx, int sy)
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{
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g2.setFont(_font);
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g2.setColor(Color.white);
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g2.drawString(""+x, sx+Tile.HALF_WIDTH-2, sy+Tile.HALF_HEIGHT-2);
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g2.drawString(""+y, sx+Tile.HALF_WIDTH-2, sy+Tile.HEIGHT-2);
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gfx.setFont(_font);
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gfx.setColor(Color.white);
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gfx.drawString(""+x, sx+Tile.HALF_WIDTH-2, sy+Tile.HALF_HEIGHT-2);
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gfx.drawString(""+y, sx+Tile.HALF_WIDTH-2, sy+Tile.HEIGHT-2);
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}
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/**
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* Paint a highlight around the tile at screen coordinates (sx, sy).
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*/
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protected void paintHighlightedTile (Graphics2D g2, int sx, int sy)
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protected void paintHighlightedTile (Graphics2D gfx, int sx, int sy)
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{
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int x = sx;
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int y = sy;
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Stroke ostroke = g2.getStroke();
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g2.setStroke(_hstroke);
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g2.setColor(_hcolor);
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Stroke ostroke = gfx.getStroke();
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gfx.setStroke(_hstroke);
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gfx.setColor(_hcolor);
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g2.drawLine(x, y + Tile.HALF_HEIGHT,
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x + Tile.HALF_WIDTH, y);
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g2.drawLine(x + Tile.HALF_WIDTH, y,
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x + Tile.WIDTH, y + Tile.HALF_HEIGHT);
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g2.drawLine(x + Tile.WIDTH, y + Tile.HALF_HEIGHT,
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x + Tile.HALF_WIDTH, y + Tile.HEIGHT);
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g2.drawLine(x + Tile.HALF_WIDTH, y + Tile.HEIGHT,
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x, y + Tile.HALF_HEIGHT);
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gfx.drawLine(x, y + Tile.HALF_HEIGHT,
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x + Tile.HALF_WIDTH, y);
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gfx.drawLine(x + Tile.HALF_WIDTH, y,
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x + Tile.WIDTH, y + Tile.HALF_HEIGHT);
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gfx.drawLine(x + Tile.WIDTH, y + Tile.HALF_HEIGHT,
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x + Tile.HALF_WIDTH, y + Tile.HEIGHT);
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gfx.drawLine(x + Tile.HALF_WIDTH, y + Tile.HEIGHT,
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x, y + Tile.HALF_HEIGHT);
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g2.setStroke(ostroke);
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gfx.setStroke(ostroke);
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}
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/**
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@@ -232,16 +231,20 @@ public class IsoSceneView implements SceneView
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_scene.tiles[tpos.x][tpos.y][lnum] = tile;
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}
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protected static final int OFF_X = 0;
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protected static final int OFF_Y = 0;
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// default dimensions of the scene view
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protected static final int DEF_BOUNDS_WIDTH = 600;
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protected static final int DEF_BOUNDS_HEIGHT = 600;
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// total number of tile rows to render the full view
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protected static final int TILE_RENDER_ROWS =
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(Scene.TILE_WIDTH * Scene.TILE_HEIGHT) - 1;
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// starting x/y-positions to render the view
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protected static final int DEF_CENTER_X = DEF_BOUNDS_WIDTH / 2;
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protected Point _lineX[], _lineY[];
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protected Rectangle _bounds;
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protected int _viewX, _viewY;
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protected Point _htile;
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protected Color _hcolor;
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