125 lines
3.4 KiB
Java
125 lines
3.4 KiB
Java
package de.samdev.colorrunner.game.renderer;
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import com.badlogic.gdx.Gdx;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.GL20;
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import com.badlogic.gdx.graphics.OrthographicCamera;
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import com.badlogic.gdx.graphics.g2d.BitmapFont;
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import com.badlogic.gdx.graphics.g2d.SpriteBatch;
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import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
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import com.badlogic.gdx.math.Rectangle;
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import com.badlogic.gdx.math.Vector3;
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public abstract class AbstractGameRenderer {
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public final static float GAME_HEIGHT = 512;
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public final static float MIN_GAME_WIDTH = 672; // ~ 512 * (4/3)
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public final static float MAX_GAME_WIDTH = 1024; // ~ 512 * (2/1) // ~~ 16:9
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private final static float FREE_ROAM_WIDTH = 1f/2f;
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private int debugTextCount;
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private int hudTextCount;
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protected OrthographicCamera cam;
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protected ShapeRenderer shapeRenderer;
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protected BitmapFont font = new BitmapFont();
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protected BitmapFont font2 = new BitmapFont();
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protected SpriteBatch spriteBatch = new SpriteBatch();
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protected SpriteBatch fontBatch = new SpriteBatch();
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protected SpriteBatch fontBatch2 = new SpriteBatch();
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public AbstractGameRenderer(float width, float height) {
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cam = new OrthographicCamera();
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shapeRenderer = new ShapeRenderer();
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resize(width, height);
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}
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public void render() {
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Gdx.gl.glClearColor(0.22f, 0.22f, 0.22f, 1f);
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Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
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// #################
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doRender();
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}
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protected void updateCameraOffset(float lookAtX) {
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if (lookAtX > cam.position.x - cam.viewportWidth * FREE_ROAM_WIDTH/2) {
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cam.position.x += lookAtX - cam.position.x + cam.viewportWidth * FREE_ROAM_WIDTH/2;
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cam.update();
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updateCamMatrices();
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}
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if (lookAtX < cam.position.x - cam.viewportWidth/2) {
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cam.position.x += lookAtX - cam.position.x + cam.viewportWidth/2;
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cam.update();
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updateCamMatrices();
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}
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}
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public Rectangle getCamViewRectangle() {
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return new Rectangle(cam.position.x - cam.viewportWidth/2, cam.position.y - cam.viewportHeight/2, cam.viewportWidth, cam.viewportHeight);
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}
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public void resize(float width, float height) {
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float cam_width = (width / height) * GAME_HEIGHT;
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if (cam_width < MIN_GAME_WIDTH)
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Gdx.app.error("SIZE", "Minimal aspect ratio is 4:3");
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if (cam_width > MAX_GAME_WIDTH)
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Gdx.app.error("SIZE", "Maximal aspect ratio is 2:1");
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cam.setToOrtho(false, cam_width, GAME_HEIGHT);
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updateCamMatrices();
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}
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private void updateCamMatrices() {
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shapeRenderer.setProjectionMatrix(cam.combined);
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spriteBatch.setProjectionMatrix(cam.combined);
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fontBatch.setProjectionMatrix(cam.combined);
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}
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protected void beginDebug() {
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fontBatch.begin();
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font.setColor(1, 0, 1, 1);
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debugTextCount = 0;
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}
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protected void beginHud(){
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fontBatch2.begin();
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font2.setColor(Color.RED);
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//font2.setColor(0, 1, 1, 1);
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//hudTextCount = 0;
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}
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protected void renderDebug(String s) {
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Vector3 coords = cam.unproject(new Vector3(10, 10, 0));
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font.draw(fontBatch, s, coords.x, coords.y - debugTextCount++ * 20);
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}
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protected void renderHud(String s, int xCoord){
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//Vector3 coords = cam.unproject(new Vector3(10, 10, 0));
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//if (hudTextCount == 0)
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// font2.setColor(Color.RED);
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//if (hudTextCount == 1)
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// font2.setColor(Color.GREEN);
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//hudTextCount++;
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//font2.draw(fontBatch2, s, xCoord, Gdx.graphics.getHeight() - 20);
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}
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protected void endDebug() {
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fontBatch.end();
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}
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protected void endHud(){
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fontBatch2.end();
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}
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public abstract void doRender();
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}
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