76 lines
2.9 KiB
Java
76 lines
2.9 KiB
Java
/*
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*
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* MIT License
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*
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* Copyright (c) 2020 TerraForged
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.terraforged.app.renderer;
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import com.terraforged.app.Applet;
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import com.terraforged.core.cell.Cell;
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import com.terraforged.core.world.heightmap.Levels;
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import com.terraforged.core.world.terrain.Terrain;
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import processing.core.PApplet;
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public class MeshRenderer extends Renderer {
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public MeshRenderer(Applet visualizer) {
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super(visualizer);
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}
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@Override
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public void render(float zoom) {
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float seaLevel = new Levels(applet.getCache().getSettings().generator).water;
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int worldHeight = applet.getCache().getSettings().generator.world.worldHeight;
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int waterLevel = (int) (seaLevel * worldHeight);
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int seabedLevel = (int) ((seaLevel - 0.04) * worldHeight);
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int resolution = applet.getCache().getRegion().getBlockSize().size;
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float w = applet.width / (float) (resolution - 1);
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float h = applet.width / (float) (resolution - 1);
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applet.noStroke();
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applet.pushMatrix();
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applet.translate(-applet.width / 2F, -applet.width / 2F);
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for (int dy = 0; dy < resolution - 1; dy++) {
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applet.beginShape(PApplet.TRIANGLE_STRIP);
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for (int dx = 0; dx < resolution; dx++) {
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draw(dx, dy, w, h, zoom, worldHeight, waterLevel, seabedLevel);
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draw(dx, dy + 1, w, h, zoom, worldHeight, waterLevel, resolution / 2);
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}
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applet.endShape();
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}
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applet.popMatrix();
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}
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private void draw(int dx, int dz, float w, float h, float zoom, int worldHeight, int waterLevel, int center) {
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Cell<Terrain> cell = applet.getCache().getRegion().getCell(dx, dz);
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float height = (cell.value * worldHeight);
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float x = dx * w;
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float z = dz * h;
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float y = (int) getSurface(cell, height, waterLevel, 1);
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applet.vertex(x, z, y / (zoom * 0.2F));
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}
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}
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