227 lines
8.7 KiB
C++
227 lines
8.7 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 "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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#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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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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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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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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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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// TODO swap modifier id and data
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modifier_id = modifier.second | 0x6000;
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modifier_data = modifier.first;
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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 );
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}
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// editor loader
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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 > &objects, bool editor,
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size_t editor_width ) {
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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 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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if ( !editor &&
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block.getModifierId() == DESTRUCTIBLE_MODIFIER_ID ) {
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destructible = true;
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}
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if ( !editor &&
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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 &&
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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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// TODO add modifiers to createTerrainBlock
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if(block.getTerrainId() != 0) {
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auto obj = createTerrainBlock(
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block.getTerrainId(), block.getTerrainType(),
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renderer, 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(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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scene->addObject( createMario(
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block.getCharacterType(),
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renderer, i, j, true ) );
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mario =
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scene->getObject( scene->getObjects().size() - 1 );
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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(
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block.getModifierId(), LandType::OVERWORLD, renderer, i, j,
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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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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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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 = 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(block.getCharacterId(), block.getCharacterType());
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} else if ( block.hasModifier() ) {
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// TODO seriously change order of id/data!!!
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// we have IDs like 0x600X but only X is useful data, the 0x6 at the beginning is to differentiate mods from characters
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additional_data = combineAdditionalData(block.getModifierData(), block.getModifierId() & 0x000F);
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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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}
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}
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}
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output_file.close();
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}
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