the whole game

src/world/level/tile/Mushroom.cpp

@@ -0,0 +1,56 @@
+#include "Mushroom.h"
+
+Mushroom::Mushroom(int id, int tex)
+:   super(id, tex)
+{
+	float ss = 0.2f;
+	this->setShape(0.5f - ss, 0, 0.5f - ss, 0.5f + ss, ss * 2, 0.5f + ss);
+	this->setTicking(true);
+}
+
+void Mushroom::tick( Level* level, int x, int y, int z, Random* random ) {
+	if(random->nextInt(25) == 0) {
+		int r = 4;
+		int max = 5;
+		for (int xx = x - r; xx <= x + r; xx++)
+		for (int zz = z - r; zz <= z + r; zz++)
+		for (int yy = y - 1; yy <= y + 1; yy++) {
+			if (level->getTile(xx, yy, zz) == id && --max <= 0) return;
+		}
+
+		int x2 = x + random->nextInt(3) - 1;
+		int y2 = y + random->nextInt(2) - random->nextInt(2);
+		int z2 = z + random->nextInt(3) - 1;
+		for (int i = 0; i < 4; i++) {
+			if (level->isEmptyTile(x2, y2, z2) && canSurvive(level, x2, y2, z2)) {
+				x = x2;
+				y = y2;
+				z = z2;
+			}
+			x2 = x + random->nextInt(3) - 1;
+			y2 = y + random->nextInt(2) - random->nextInt(2);
+			z2 = z + random->nextInt(3) - 1;
+		}
+
+		if (level->isEmptyTile(x2, y2, z2) && canSurvive(level, x2, y2, z2)) {
+			level->setTile(x2, y2, z2, id);
+		}
+	}
+}
+
+bool Mushroom::mayPlace( Level* level, int x, int y, int z, unsigned char face ) {
+	return super::mayPlace(level, x, y, z, face) && canSurvive(level, x, y, z);
+}
+
+bool Mushroom::mayPlaceOn( int tile ) {
+	return Tile::solid[tile];
+}
+
+bool Mushroom::canSurvive( Level* level, int x, int y, int z ) {
+	if (y < 0 || y >= LEVEL_HEIGHT/*Level::maxBuildHeight*/)
+        return false;
+
+	int below = level->getTile(x, y - 1, z);
+	return (level->getRawBrightness(x, y, z) < 13 && mayPlaceOn(below));
+}
+