private void draw() {
// Clear the screen and depth buffer
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glLoadIdentity();
// set up GameContext.getCamera()
GL11.glPushMatrix();
GL11.glScalef(scale, scale, scale);
GL11.glTranslatef(
-GameContext.getCamera().getPosition().getx(),
-GameContext.getCamera().getPosition().gety(),
0);
GL11.glTranslatef(4f, 3f, 0);
map.draw();
if (editorMode) {
Quad q = new Quad(editorTag.getPosition(), map.getLookupTile(currentEditorTile).getTexture());
GameContext.getPipe().addDrawable(q);
}
for (Entity ae : entities) {
ae.draw();
}
GameContext.getPipe().renderContent();
GL11.glPopMatrix();
// overlay console text
GL11.glPushMatrix();
GL11.glScalef(2f, 2f, 2f);
if (console.isEnabled()) {
gtest.drawing.util.drawString(new Coord(0, 0), "> " + console.getText());
}
if (GameContext.isDebugMode()) {
gtest.drawing.util.drawString(
new Coord(0, 285), "tiles drawn " + GameContext.getFromLog("tilesLastDrawn"));
gtest.drawing.util.drawString(
new Coord(0, 275), "textures bound " + GameContext.getFromLog("textureBinds"));
gtest.drawing.util.drawString(new Coord(0, 265), "FPS " + GameContext.getFromLog("fps"));
}
GL11.glPopMatrix();
Display.update();
// clean up
GameContext.getPipe().clear();
GameContext.addToLog("tilesLastDrawn", "0");
GameContext.addToLog("textureBinds", "0");
}
public void start() {
// set up the console handler
console.setHandler(new ConsoleHandler());
// load the map
map = MapLoader.loadMap("map_basic.txt");
// grab some entities
StaticEntity chip = new StaticEntity();
chip.setPosition(new Coord(9, 5));
chip.addTexture(GameContext.getTextureLoader().getTexture("gtest/resources/chipA.png"));
chip.addTexture(GameContext.getTextureLoader().getTexture("gtest/resources/chipB.png"));
entities.add(chip);
// create the player
player = new Player(new Coord(0, 12));
player.setMapContext(map);
entities.add(player);
// set up camera
GameContext.getCamera().setFollowing(player);
// set up openGL
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
// game loop
while (!Display.isCloseRequested()) {
Date d = new Date();
long startTime = d.getTime();
draw();
update();
handleInput();
d = new Date();
long endTime = d.getTime();
try {
Thread.sleep(50 - (endTime - startTime));
} catch (Exception e) {
}
if ((endTime - startTime) != 0) {
GameContext.addToLog("fps", "" + 1000 / (endTime - startTime));
}
}
Display.destroy();
}
public void handleInput() {
// handle movement keys
if (!editorMode) {
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
player.move(Player.LEFT);
} else if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
player.move(Player.RIGHT);
} else if (Keyboard.isKeyDown(Keyboard.KEY_DOWN)) {
player.move(Player.DOWN);
} else if (Keyboard.isKeyDown(Keyboard.KEY_UP)) {
player.move(Player.UP);
}
} else {
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
editorTag.getPosition().add(new Coord(-1f, 0f));
} else if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
editorTag.getPosition().add(new Coord(1f, 0f));
} else if (Keyboard.isKeyDown(Keyboard.KEY_DOWN)) {
editorTag.getPosition().add(new Coord(0f, -1f));
} else if (Keyboard.isKeyDown(Keyboard.KEY_UP)) {
editorTag.getPosition().add(new Coord(0f, 1f));
}
}
// handle other keys
while (Keyboard.next()) {
char k = Keyboard.getEventCharacter();
// the ` key toggles the console
if (k == '`') {
if (console.isEnabled()) {
console.disable();
} else {
console.enable();
}
} else if (console.isEnabled()) {
if (Keyboard.getEventKeyState()) {
console.nextChar(k);
}
}
// editor specific commands
if (editorMode && !console.isEnabled()) {
if (k == ' ') {
map.setTile(editorTag.getPosition(), currentEditorTile);
} else if (k == 'n') {
currentEditorTile = (currentEditorTile + 1) % map.getNumTypes();
}
}
}
}