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9402f2afa2
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299 lines
11 KiB
C++
299 lines
11 KiB
C++
#include "maploader.hpp"
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#include "../sdlpp/sdlpp_rectrenderer.hpp"
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#include <array>
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#include <fstream>
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#include <functional>
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#include "mario.hpp"
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#include "sprites.hpp"
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#include "blocks.hpp"
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#include "objectids.hpp"
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#include "global_vars.hpp"
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#include "filesystem.hpp"
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#define TERRAIN_TYPE_HAS_ADDITIONAL 0x8
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#define WIDE_TERRAIN_HAS_ADDITIONAL 0x8000
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#define ADDITIONAL_IS_MOD 0x80
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#define FILE_VERSION 0x01
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void loadMapV01(std::shared_ptr<SDLPP::Scene> &scene,
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std::shared_ptr<SDLPP::RenderObject> &mario,
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std::ifstream &map_file, std::vector<mapColumnType> &objects,
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bool editor, size_t editor_width,
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std::shared_ptr<SDLPP::Renderer> &renderer);
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void loadMap(std::shared_ptr<SDLPP::Scene> &scene,
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std::shared_ptr<SDLPP::RenderObject> mario,
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const std::string &file) {
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std::vector<mapColumnType> tmp = {};
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loadMap(scene, mario, file, tmp, false);
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scene->moveZTop(mario);
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}
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uint8_t read8Bits(std::ifstream &file) {
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uint8_t data;
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file.read((char *)&data, sizeof(uint8_t) / sizeof(char));
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return data;
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}
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std::string readString(std::ifstream &file) {
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std::string res = "";
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char tmp{};
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file.read(&tmp, 1);
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while (tmp != '\0') {
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res += tmp;
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file.read(&tmp, 1);
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}
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return res;
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}
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void write8Bits(std::ofstream &file, uint8_t data) {
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file.write((char *)&data, sizeof(uint8_t) / sizeof(char));
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}
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void writeString(std::ofstream &file, const std::string &text) {
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file.write(text.c_str(), text.size() + 1);
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}
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uint16_t read16Bits(std::ifstream &file) {
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uint16_t data;
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file.read((char *)&data, sizeof(uint16_t) / sizeof(char));
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return data;
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}
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void write16Bits(std::ofstream &file, uint16_t data) {
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file.write((char *)&data, sizeof(uint16_t) / sizeof(char));
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}
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std::pair<uint16_t, uint8_t> separateWideTerrain(uint16_t wide_terrain) {
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uint8_t terrain_type = (wide_terrain & 0xF000) >> 12;
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uint16_t terrain_id = (wide_terrain & 0x0FFF) | BLOCK_PREFIX;
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return { terrain_id, terrain_type };
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}
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std::pair<uint8_t, uint8_t> separateAdditionalData(uint8_t data) {
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auto id = data & 0x0F;
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auto type = (data & 0xF0) >> 4;
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return { id, type };
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}
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uint16_t combineTerrain(uint16_t id, uint8_t type) {
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uint16_t wide_terrain = type;
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wide_terrain = wide_terrain << 12;
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wide_terrain |= 0x0FFF & id;
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return wide_terrain;
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}
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uint8_t combineAdditionalData(uint8_t id, uint8_t type) {
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return type << 4 | id;
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}
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MapObject parseBlock(std::ifstream &map_file) {
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uint8_t character_type = 0;
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uint8_t character_id = 0;
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uint32_t modifier_id = 0;
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uint8_t modifier_data = 0;
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std::string modifier_text = "";
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uint16_t wide_terrain = read16Bits(map_file);
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auto terrain = separateWideTerrain(wide_terrain);
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uint16_t terrain_id = terrain.first;
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uint8_t terrain_type = terrain.second;
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if (terrain_type & TERRAIN_TYPE_HAS_ADDITIONAL) {
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uint8_t additional_data = read8Bits(map_file);
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terrain_type &= ~TERRAIN_TYPE_HAS_ADDITIONAL;
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if (additional_data & ADDITIONAL_IS_MOD) {
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additional_data &= ~ADDITIONAL_IS_MOD;
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auto modifier = separateAdditionalData(additional_data);
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modifier_id = modifier.first | 0x6000;
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modifier_data = modifier.second;
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if(modifier_id == TELEPORT_MODIFIER_ID) {
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modifier_text = readString(map_file);
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}
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} else {
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// character
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auto character = separateAdditionalData(additional_data);
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character_id = character.first;
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character_type = character.second;
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}
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}
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return MapObject(terrain_id, terrain_type, character_id, character_type,
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modifier_id, modifier_data, modifier_text);
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}
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void loadEmptyMap(std::vector<mapColumnType> &objects, size_t editor_width) {
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objects.resize(editor_width);
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}
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// editor loader
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// TODO catch exception in calling functions
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void loadMap(std::shared_ptr<SDLPP::Scene> &scene,
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std::shared_ptr<SDLPP::RenderObject> &mario,
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const std::string &file, std::vector<mapColumnType> &objects,
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bool editor, size_t editor_width) {
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if (!FSLib::exists(file)) {
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// create empty array large enough for initial editor window
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loadEmptyMap(objects, editor_width);
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return;
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}
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auto renderer = scene->getRendererShared();
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std::ifstream map_file;
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map_file.open(file, std::ios::in | std::ios::binary);
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uint16_t version;
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map_file.read((char *)&version, sizeof(uint16_t) / sizeof(char));
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switch (version) {
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case 0x01:
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loadMapV01(scene, mario, map_file, objects, editor, editor_width,
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renderer);
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break;
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default:
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throw "Invalid file version";
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}
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}
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void loadMapV01(std::shared_ptr<SDLPP::Scene> &scene,
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std::shared_ptr<SDLPP::RenderObject> &mario,
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std::ifstream &map_file, std::vector<mapColumnType> &objects,
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bool editor, size_t editor_width,
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std::shared_ptr<SDLPP::Renderer> &renderer) {
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uint16_t cols;
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map_file.read((char *)&cols, sizeof(uint16_t) / sizeof(char));
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if (editor) {
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objects.resize(cols);
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}
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mapColumnType *col = nullptr;
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for (uint16_t i = 0; i < cols; i++) {
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if (editor) {
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col = &objects[i];
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}
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for (int j = 0; j < 16; j++) {
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auto block = parseBlock(map_file);
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if (editor) {
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col->at(j) = block;
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}
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bool destructible = false;
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bool removeCollisions = false;
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int coinCount = 0;
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bool mushroom = false;
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std::string teleport_level = "";
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if (!editor && block.getModifierId() == DESTRUCTIBLE_MODIFIER_ID) {
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destructible = true;
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}
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if (!editor && block.getModifierId() == BACKGROUND_MODIFIER_ID) {
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destructible = false;
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removeCollisions = true;
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}
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if (!editor && block.getModifierId() == COIN_MODIFIER_ID) {
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coinCount = block.getModifierData();
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}
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if (!editor && block.getModifierId() == MUSHROOM_MODIFIER_ID) {
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mushroom = true;
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}
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if (!editor && block.getModifierId() == TELEPORT_MODIFIER_ID) {
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teleport_level = block.getModifierText();
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}
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// TODO add modifiers to createTerrainBlock
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if (block.getTerrainId() != 0) {
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auto obj = createTerrainBlock(block.getTerrainId(),
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block.getTerrainType(), renderer,
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i, j, destructible, editor);
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if (obj != nullptr) {
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obj->setCoinCount(coinCount);
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if (mushroom) {
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obj->addMushroom();
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}
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if (!teleport_level.empty()) {
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obj->setTeleportLevel(teleport_level);
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}
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if (removeCollisions) {
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obj->removeCollisions();
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}
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if (obj != nullptr) {
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if (editor) {
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obj->getCollisions()[0]->setId(EDITOR_TERRAIN_ID);
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}
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scene->addObject(obj);
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}
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}
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}
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if (block.hasCharacter()) {
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if (block.getCharacterId() == MARIO_ID) {
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if (editor) {
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auto mario2 = createMario(block.getCharacterType(),
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renderer, i, j, true);
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scene->addObject(mario2);
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#ifndef EDITOR
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std::dynamic_pointer_cast<Mario>(mario2)->setAddObjFunc(std::dynamic_pointer_cast<Mario>(mario)->getAddObjFunc());
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#endif
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mario = mario2;
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} else {
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mario->setPos(i * BLOCK_SIZE,
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1 - (16 - j) * BLOCK_SIZE);
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}
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} else {
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auto obj = createTerrainBlock(
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block.getCharacterId(), block.getCharacterType(),
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renderer, i, j, destructible, editor);
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dynamic_cast<MarioBlock *>(obj.get())->setTerrain(false);
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if (editor) {
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obj->getCollisions()[0]->setId(EDITOR_CHARACTER_ID);
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}
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scene->addObject(obj);
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}
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}
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if (editor && block.hasModifier()) {
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// TODO createModifierBlock with data
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auto mod = createTerrainBlock(block.getModifierId(),
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LandType::OVERWORLD, renderer, i,
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j, false, editor);
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mod->setData(block.getModifierData());
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mod->setTextureKeepSRC(g_translucent_mod_texture);
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mod->getCollisions()[0]->setId(EDITOR_TERRAIN_ID);
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dynamic_cast<MarioBlock *>(mod.get())->setTerrain(false);
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scene->addObject(mod);
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}
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}
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}
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if (editor && objects.size() < editor_width) {
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objects.resize(editor_width);
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}
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}
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// TODO catch exception in calling func
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void saveMap(const std::string &file, std::vector<mapColumnType> &objects) {
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std::ofstream output_file;
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output_file.open(file, std::ios::out | std::ios::binary);
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if (!output_file.is_open()) {
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throw "Could not open file '" + file + "'";
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}
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const uint16_t version = FILE_VERSION;
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output_file.write((char *)&version, sizeof(uint16_t) / sizeof(char));
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const uint16_t cols = objects.size();
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output_file.write((char *)&cols, sizeof(uint16_t) / sizeof(char));
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for (auto &col : objects) {
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for (int i = 0; i < 16; i++) {
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auto &block = col[i];
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auto wide_terrain =
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combineTerrain(block.getTerrainId(), block.getTerrainType());
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// if block has additional data it needs to indicate it
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if (block.hasCharacter() || block.hasModifier()) {
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wide_terrain |= WIDE_TERRAIN_HAS_ADDITIONAL;
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}
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write16Bits(output_file, wide_terrain);
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uint8_t additional_data = 0;
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if (block.hasCharacter()) {
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additional_data = combineAdditionalData(
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block.getCharacterId(), block.getCharacterType());
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} else if (block.hasModifier()) {
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// we have IDs like 0x600X but only X is useful data, the 0x6 at
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// the beginning is to differentiate mods from characters
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additional_data = combineAdditionalData(
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block.getModifierId() & 0x000F, block.getModifierData());
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additional_data |= ADDITIONAL_IS_MOD;
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}
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if (additional_data) {
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write8Bits(output_file, additional_data);
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if(additional_data & ADDITIONAL_IS_MOD && additional_data & !block.getModifierText().empty()) {
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writeString(output_file, block.getModifierText());
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}
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}
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}
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}
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output_file.close();
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}
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