102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
#include "libtcod.hpp"
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#include "Map.h"
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#include "Actor.h"
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#include "Engine.h"
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static const int ROOM_MAX_SIZE = 12;
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static const int ROOM_MIN_SIZE = 6;
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class BspListener : public ITCODBspCallback {
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private:
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Map& map; // a map to dig
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int roomNum; // room number
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int lastx = 0, lasty = 0; // center of the last room
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public:
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BspListener(Map& map) : map(map), roomNum(0) {}
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bool visitNode(TCODBsp* node, void* userData) {
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if (node->isLeaf()) {
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int x, y, w, h;
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// dig a room
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TCODRandom* rng = TCODRandom::getInstance();
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w = rng->getInt(ROOM_MIN_SIZE, node->w - 2);
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h = rng->getInt(ROOM_MIN_SIZE, node->h - 2);
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x = rng->getInt(node->x + 1, node->x + node->w - w - 1);
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y = rng->getInt(node->y + 1, node->y + node->h - h - 1);
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map.createRoom(roomNum == 0, x, y, x + w - 1, y + h - 1);
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if (roomNum != 0) {
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// dig a corridor from last room
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map.dig(lastx, lasty, x + w / 2, lasty);
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map.dig(x + w / 2, lasty, x + w / 2, y + h / 2);
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}
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lastx = x + w / 2;
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lasty = y + h / 2;
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roomNum++;
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}
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return true;
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}
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};
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Map::Map(int width, int height) : width(width), height(height) {
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tiles = new Tile[width * height];
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TCODBsp bsp(0, 0, width, height);
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bsp.splitRecursive(NULL, 8, ROOM_MAX_SIZE, ROOM_MAX_SIZE, 1.5f, 1.5f);
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BspListener listener(*this);
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bsp.traverseInvertedLevelOrder(&listener, NULL);
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}
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Map::~Map() {
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delete[] tiles;
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}
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bool Map::isWall(int x, int y) const {
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return !tiles[x + y * width].canWalk;
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}
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void Map::setWall(int x, int y) {
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tiles[x + y * width].canWalk = false;
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}
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void Map::render(TCOD_Console& cons) const {
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static const TCOD_ColorRGB darkWall(0, 0, 100);
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static const TCOD_ColorRGB darkGround(50, 50, 150);
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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tcod::print(cons, { x, y }, " ", std::nullopt, isWall(x, y) ? darkWall : darkGround);
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}
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}
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}
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void Map::dig(int x1, int y1, int x2, int y2) {
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if (x2 < x1) {
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int tmp = x2;
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x2 = x1;
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x1 = tmp;
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}
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if (y2 < y1) {
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int tmp = y2;
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y2 = y1;
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y1 = tmp;
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}
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for (int tilex = x1; tilex <= x2; tilex++) {
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for (int tiley = y1; tiley <= y2; tiley++) {
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tiles[tilex + tiley * width].canWalk = true;
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}
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}
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}
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void Map::createRoom(bool first, int x1, int y1, int x2, int y2) {
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dig(x1, y1, x2, y2);
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if (first) {
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// put the player in the first room
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engine->player->x = (x1 + x2) / 2;
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engine->player->y = (y1 + y2) / 2;
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}
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else {
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TCODRandom* rng = TCODRandom::getInstance();
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if (rng->getInt(0, 3) == 0) {
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engine->actors.push(new Actor((x1 + x2) / 2, (y1 + y2) / 2, "@",
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TCOD_ColorRGB(255, 255, 0)));
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}
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}
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} |