game/mario/maploader.cpp

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#include "maploader.hpp"
#include "../sdlpp/sdlpp_rectrenderer.hpp"
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#include <array>
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#include <fstream>
#include "sprites.hpp"
#include "blocks.hpp"
#include "objectids.hpp"
// TODO move to one function
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void loadMap( std::shared_ptr< SDLPP::Scene > &scene,
std::shared_ptr< SDLPP::RectangleRender > mario,
const std::string &file,
std::shared_ptr< SDLPP::Renderer > &renderer ) {
std::ifstream map_file;
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map_file.open( file, std::ios::in | std::ios::binary );
uint16_t cols;
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map_file.read( ( char * )&cols, sizeof( uint16_t ) / sizeof( char ) );
for ( uint16_t i = 0; i < cols; i++ ) {
for ( int j = 0; j < 16; j++ ) {
uint16_t input_number;
uint8_t additional_data = 0;
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uint8_t character_type = 0, character = 0, modifier_type = 0,
modifier_data = 0;
map_file.read( ( char * )&input_number,
sizeof( uint16_t ) / sizeof( char ) );
uint8_t type = ( input_number & 0xF000 ) >> 12;
uint16_t id = ( input_number & 0x0FFF ) | BLOCK_PREFIX;
if ( type & 0x8 ) {
map_file.read( ( char * )&additional_data,
sizeof( uint8_t ) / sizeof( char ) );
type &= ~0x8;
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if ( additional_data & 0x80 ) {
// modifier
additional_data &= ~0x80;
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modifier_type = ( additional_data & 0xF0 ) >> 4;
modifier_data = additional_data & 0x0F;
} else {
// character
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character_type = ( additional_data & 0xF0 ) >> 4;
character = additional_data & 0x0F;
}
}
bool collision = false;
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if ( id == FLOOR_ID ) {
collision = true;
}
// TODO add modifiers to createTerrainBlock
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auto obj =
createTerrainBlock( id, static_cast< LandType::Value >( type ),
renderer, i, j, collision );
if ( obj != nullptr )
scene->addObject( obj );
if ( character ) {
if ( character == MARIO_ID ) {
mario->setPos( i * BLOCK_SIZE,
1 - ( 16 - j ) * BLOCK_SIZE );
}
}
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}
}
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scene->moveZTop( mario );
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}
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// editor loader
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void loadMap( std::shared_ptr< SDLPP::Scene > &scene, const std::string &file,
std::shared_ptr< SDLPP::Renderer > &renderer,
std::vector< mapColumnType > &objects ) {
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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 ) );
objects.resize( cols );
for ( uint16_t i = 0; i < cols; i++ ) {
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auto &col = objects[i];
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for ( int j = 0; j < 16; j++ ) {
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uint16_t input_number;
uint8_t additional_data = 0;
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uint8_t character_type = 0, character = 0, modifier_type = 0,
modifier_data = 0;
map_file.read( ( char * )&input_number,
sizeof( uint16_t ) / sizeof( char ) );
uint8_t type = ( input_number & 0xF000 ) >> 12;
uint16_t id = ( input_number & 0x0FFF ) | BLOCK_PREFIX;
if ( type & 0x8 ) {
map_file.read( ( char * )&additional_data,
sizeof( uint8_t ) / sizeof( char ) );
type &= ~0x8;
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if ( additional_data & 0x80 ) {
// modifier
additional_data &= ~0x80;
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modifier_type = ( additional_data & 0xF0 ) >> 4;
modifier_data = additional_data & 0x0F;
} else {
// character
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character_type = ( additional_data & 0xF0 ) >> 4;
character = additional_data & 0x0F;
}
}
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col[j] = { type, id, character_type, character,
modifier_type, modifier_data };
// TODO add modifiers to createTerrainBlock
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auto obj =
createTerrainBlock( id, static_cast< LandType::Value >( type ),
renderer, i, j, true );
obj->getCollisions()[0]->setId( EDITOR_TERRAIN_ID );
scene->addObject( obj );
if ( character ) {
if ( character == MARIO_ID ) {
scene->addObject( createMario(
static_cast< LandType::Value >( character_type ),
renderer, i, j ) );
}
}
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}
}
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if ( objects.size() < 18 ) {
objects.resize( 18 );
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}
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}
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// tuple - world object type, object, world character type, character, modifier
// type, modifier data
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 ) );
for ( auto &col : objects ) {
for ( int i = 0; i < 16; i++ ) {
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auto &obj = col[i];
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uint16_t wide_type = std::get< 0 >( obj );
wide_type = wide_type << 12;
uint16_t write_num = ( 0x0FFF & std::get< 1 >( obj ) ) | wide_type;
// 3 becuase character type can be 0 (overworld), 4 because modifier
// data can be 0 (breakable)
if ( std::get< 3 >( obj ) || std::get< 4 >( obj ) ) {
write_num |= 0x8000;
}
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output_file.write( ( char * )&write_num,
sizeof( uint16_t ) / sizeof( char ) );
uint8_t additional_data = 0;
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if ( std::get< 3 >( obj ) ) {
additional_data |= std::get< 2 >( obj ) << 4;
additional_data |= std::get< 3 >( obj );
} else if ( std::get< 4 >( obj ) ) {
additional_data |= std::get< 4 >( obj ) << 4;
additional_data |= 0x80;
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additional_data |= std::get< 5 >( obj );
}
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if ( additional_data ) {
output_file.write( ( char * )&additional_data,
sizeof( uint8_t ) / sizeof( char ) );
}
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}
}
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output_file.close();
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}