181 lines
3.9 KiB
C++
181 lines
3.9 KiB
C++
#include "Tilemap.h"
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#include "vec2i.h"
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#include "Actor.h"
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#include "Renderer.h"
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#include "Tileset.h"
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#include "FieldOfView.h"
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#include <SDL.h>
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int Tilemap::GetIndex(int x, int y)
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{
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return y * width + x;
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}
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Tilemap::Tilemap(int width, int height)
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{
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this->width = width;
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this->height = height;
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tilemap = new unsigned int[width*height]{0};
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}
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Tilemap::~Tilemap()
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{
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delete tilemap;
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for (auto var : entities) {
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delete var;
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}
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}
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int Tilemap::GetWidth()
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{
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return width;
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}
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int Tilemap::GetHeight()
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{
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return height;
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}
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bool Tilemap::IsInsideBounds(int x, int y)
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{
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return x >= 0 && x < width && y >= 0 && y < height;
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}
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std::vector<vec2i> Tilemap::getNeighbours(int x, int y, int range)
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{
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std::vector<vec2i> neigh;
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if (range == 0)
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{
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neigh.emplace_back(x,y);
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return neigh;
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}
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for (int dx = -range; dx <= range; dx++)
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{
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for (int dy = -range; dy <= range; dy++)
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{
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if ((dx != 0 || dy != 0) && IsInsideBounds(x + dx, y + dy))
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{
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neigh.emplace_back(x+dx,y+dy);
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}
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}
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}
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return neigh;
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}
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void Tilemap::set_tile(int x, int y, unsigned int tile)
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{
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if (IsInsideBounds(x, y))
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{
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tilemap[GetIndex(x, y)] = tile;
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}
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}
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int Tilemap::GetTile(int x, int y)
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{
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if (IsInsideBounds(x, y))
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{
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return tilemap[GetIndex(x, y)];
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}
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return -1;
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}
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bool Tilemap::IsBlocked(int x, int y)
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{
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if (IsInsideBounds(x, y))
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{
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if (tilemap[GetIndex(x,y)] == '#') { // TODO: Replace hardcoded tiles
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return true;
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}
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for (Entity* var : entities) {
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vec2i pos = var->get_position();
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if (var->has_collision() && pos == vec2i(x, y))
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return true;
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}
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return false;
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}
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return true;
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}
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void Tilemap::add_entity(Entity *actor) {
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for (Entity* var : entities) {
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if (var == actor) {
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return;
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}
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}
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entities.push_back(actor);
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}
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void Tilemap::remove_entity(Entity * actor) {
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for (auto it = entities.begin(); it != entities.end(); it++) {
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if ((*it) == actor) {
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entities.erase(it);
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return;
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}
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}
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}
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Entity * Tilemap::get_entity(int x, int y, EntityTypes type) {
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vec2i pos = { x,y };
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for (Entity* ent : entities) {
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if (ent->entity_type() == type) {
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vec2i apos = ent->get_position();
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if (apos == pos) {
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return ent;
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}
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}
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}
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return nullptr;
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}
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std::vector<Entity*> Tilemap::get_entities(int x, int y, int range, EntityTypes type) {
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std::vector<Entity*> found;
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std::vector<vec2i> neigh = getNeighbours(x, y, range);
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for (Entity* ent : entities) {
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for (vec2i pos : neigh) {
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if (ent->entity_type() == type) {
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vec2i apos = ent->get_position();
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if (apos == pos) {
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found.emplace_back(ent);
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break;
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}
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}
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}
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}
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return found;
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}
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std::vector<Entity*>* Tilemap::get_entity_list() {
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return &entities;
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}
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void Tilemap::draw(Renderer *renderer, Tileset* tileset, int x, int y, int tx, int ty, int tw, int th, FieldOfView* view) {
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int w = tileset->get_tile_width();
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int h = tileset->get_tile_height();
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for (int ix = 0; ix < tw; ix++) {
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for (int iy = 0; iy < th; iy++) {
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int ax = tx + ix;
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int ay = ty + iy;
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if (IsInsideBounds(ax, ay)) {
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if (view == nullptr || view->has_seen({ax, ay})) {
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renderer->set_color(1, 1, 1, 1);
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renderer->draw_sprite(tileset->get_sprite(GetTile(ax, ay)), x + ix * w, y + iy * h);
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if (view != nullptr && !view->can_see({ax, ay})) {
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renderer->set_color(0, 0, 0, .6f);
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renderer->draw_sprite(tileset->get_sprite(219), x + ix * w, y + iy * h);
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}
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}
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}
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}
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}
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}
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void Tilemap::debug_print() {
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for (int y = 0; y < height; ++y) {
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for (int x = 0; x < width; ++x) {
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printf("\t%d", GetTile(x, y));
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}
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printf("\n");
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}
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}
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