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Use a polygon to determine whether a sprite is within a particular

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tile.  Updated scene/tile dimensions and default scene to use 64x48
tiles.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@151 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Walter Korman
2001-08-02 18:59:00 +00:00
parent ba74e4600b
commit efb1881507
8 changed files with 152 additions and 161 deletions
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src/java/com/threerings/miso/client/DisplayMisoSceneImpl.java
+3 -3
View File
@@ -1,5 +1,5 @@
//
// $Id: DisplayMisoSceneImpl.java,v 1.15 2001/08/02 01:19:47 shaper Exp $
// $Id: DisplayMisoSceneImpl.java,v 1.16 2001/08/02 18:58:59 shaper Exp $
package com.threerings.miso.scene;
@@ -31,10 +31,10 @@ public class Scene
public static final short VERSION = 1;
/** The scene width in tiles. */
public static final int TILE_WIDTH = 55;
public static final int TILE_WIDTH = 22;
/** The scene height in tiles. */
public static final int TILE_HEIGHT = 55;
public static final int TILE_HEIGHT = 22;
/** String translations of each tile layer name. */
public static final String[] XLATE_LAYERS = { "Base", "Object" };
src/java/com/threerings/miso/client/IsoSceneView.java
+48 -38
View File
@@ -1,5 +1,5 @@
//
// $Id: IsoSceneView.java,v 1.21 2001/08/02 05:08:23 shaper Exp $
// $Id: IsoSceneView.java,v 1.22 2001/08/02 18:58:59 shaper Exp $
package com.threerings.miso.scene;
@@ -80,32 +80,61 @@ public class IsoSceneView implements EditableSceneView
*/
protected void renderSceneInvalid (Graphics2D gfx)
{
Point spos = new Point();
Log.info("renderSceneInvalid.");
int size = _dirty.size();
for (int ii = 0; ii < size; ii++) {
// retrieve the next dirty tile coordinates
int[] dinfo = (int[])_dirty.remove(0);
int tx = dinfo[0], ty = dinfo[1];
tileToScreen(dinfo[0], dinfo[1], spos);
// draw all layers at this tile position
for (int kk = 0; kk < Scene.NUM_LAYERS; kk++) {
Log.info("renderSceneInvalid [tx=" + dinfo[0] +
", ty=" + dinfo[1] + ", x=" + spos.x +
", y=" + spos.y + "].");
// get the tile's screen position
Polygon poly = getTilePolygon(tx, ty);
Tile tile = _scene.tiles[dinfo[0]][dinfo[1]][0];
if (tile == null) continue;
// get the tile at these coordinates and layer
Tile tile = _scene.tiles[tx][ty][kk];
if (tile == null) continue;
int ypos = spos.y - (tile.height - _model.tilehei);
gfx.drawImage(tile.img, spos.x, ypos, null);
// offset the image y-position by the tile-specific height
int ypos = poly.ypoints[0] - _model.tilehhei -
(tile.height - _model.tilehei);
// draw the tile image
gfx.drawImage(tile.img, poly.xpoints[0], ypos, null);
}
// draw all sprites residing in the current tile
_spritemgr.renderSprites(
gfx, spos.x, spos.y, _model.tilewid, _model.tilehei);
_spritemgr.renderSprites(gfx, getTilePolygon(tx, ty));
}
}
/**
* Return a polygon framing the specified tile.
*
* @param x the tile x-position coordinate.
* @param y the tile y-position coordinate.
*/
protected Polygon getTilePolygon (int x, int y)
{
// get the top-left screen coordinate for the tile
Point spos = new Point();
tileToScreen(x, y, spos);
// create a polygon framing the tile
Polygon poly = new Polygon();
poly.addPoint(spos.x, spos.y + _model.tilehhei);
poly.addPoint(spos.x + _model.tilehwid, spos.y);
poly.addPoint(spos.x + _model.tilewid, spos.y + _model.tilehhei);
poly.addPoint(spos.x + _model.tilehwid, spos.y + _model.tilehei);
poly.addPoint(spos.x, spos.y + _model.tilehhei);
return poly;
}
/**
* Render the scene to the given graphics context.
*
@@ -142,12 +171,11 @@ public class IsoSceneView implements EditableSceneView
// draw the tile image at the appropriate screen position
gfx.drawImage(tile.img, screenX, ypos, null);
}
// draw all sprites residing in the current line of tiles
_spritemgr.renderSprites(
gfx, screenX, screenY, (length * _model.tilewid),
_model.tilehei);
// draw all sprites residing in the current tile
// TODO: simplify other tile positioning here to use poly
_spritemgr.renderSprites(gfx, getTilePolygon(tx, ty));
}
// draw tile coordinates in each tile
if (_model.showCoords) {
@@ -226,8 +254,7 @@ public class IsoSceneView implements EditableSceneView
}
/**
* Paint a highlight around the tile at screen pixel coordinates
* (sx, sy).
* Paint a highlight around the specified tile.
*
* @param gfx the graphics context.
* @param x the tile x-position coordinate.
@@ -235,35 +262,18 @@ public class IsoSceneView implements EditableSceneView
*/
protected void paintHighlightedTile (Graphics2D gfx, int x, int y)
{
Point spos = new Point();
tileToScreen(x, y, spos);
// set the desired stroke and color
Stroke ostroke = gfx.getStroke();
gfx.setStroke(HLT_STROKE);
gfx.setColor(HLT_COLOR);
// draw the tile outline
gfx.drawLine(spos.x, spos.y + _model.tilehhei,
spos.x + _model.tilehwid, spos.y);
gfx.drawLine(spos.x + _model.tilehwid, spos.y,
spos.x + _model.tilewid, spos.y + _model.tilehhei);
gfx.drawLine(spos.x + _model.tilewid, spos.y + _model.tilehhei,
spos.x + _model.tilehwid, spos.y + _model.tilehei);
gfx.drawLine(spos.x + _model.tilehwid, spos.y + _model.tilehei,
spos.x, spos.y + _model.tilehhei);
gfx.draw(getTilePolygon(x, y));
// restore the original stroke
gfx.setStroke(ostroke);
}
/**
* Highlight the tile at the specified pixel coordinates the next
* time the scene is re-rendered.
*
* @param sx the screen x-position pixel coordinate.
* @param sy the screen y-position pixel coordinate.
*/
public void setHighlightedTile (int sx, int sy)
{
screenToTile(sx, sy, _htile);