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game/mario/main.cpp

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#include "../sdlpp/sdlpp.hpp"
#include "sprites.hpp"
#include <memory>
#ifdef _WIN32
#include "../sdlpp/SDL2/SDL2_framerate.h"
#include <ctime>
#include <string>
#include <windows.h>
#else
#include <SDL2/SDL2_framerate.h>
#endif // UNIX
#include <thread>
#include <mutex>
#include <unordered_set>
#include "global_vars.hpp"
#include "objectids.hpp"
#include "blocks.hpp"
#include "maploader.hpp"
#include "mario.hpp"
#include "visitors/visitor_generator.hpp"
bool quit = false;
bool update = false;
std::shared_ptr< Mario > mario = nullptr;
std::shared_ptr< SDLPP::RectangleRender > leftStop = nullptr;
std::shared_ptr< SDLPP::Renderer > renderer = nullptr;
std::shared_ptr< SDLPP::TextRenderer > fps = nullptr;
std::shared_ptr< SDLPP::TextRenderer > coins = nullptr;
int coin_count = 0;
int global_frames = 0;
std::vector< std::shared_ptr< MarioBlock > > moving_objects = {};
std::mutex render_mutex;
void handleKeyDown( SDL_Keycode key, SDLPP::Scene &scene ) {
switch ( key ) {
case SDLK_ESCAPE:
quit = true;
break;
case SDLK_a:
mario->walkLeft();
break;
case SDLK_d:
mario->walkRight();
break;
case SDLK_SPACE:
case SDLK_w:
mario->jump();
break;
case SDLK_s:
break;
case SDLK_r:
scene.getRenderer().setRenderColiders(
!scene.getRenderer().getRenderColiders() );
break;
case SDLK_f:
if ( fps ) {
fps->setHidden( !fps->getHidden() );
}
default:
break;
}
}
void handleKeyUp( SDL_Keycode key ) {
switch ( key ) {
case SDLK_a:
mario->walkRight();
break;
case SDLK_d:
mario->walkLeft();
break;
case SDLK_SPACE:
case SDLK_w:
mario->stopJump();
default:
break;
}
}
void moveToMarioPosition( SDLPP::Scene &scene,
SDLPP::Vec2D< double > &prev_mario ) {
auto rendDims = renderer->getDoubleDimensions();
if ( leftStop ) {
auto left =
rendDims.getX() < 2.0 ? -( rendDims.getX() - 1 ) / 2.0 - 0.1 : -0.5;
leftStop->setPos( left, 0 );
}
auto mario_pos_difference = prev_mario - mario->getAbsolutePos();
// sometimes there is a concurrency problem and prev_pos == cur_pos, in
// that case move everything so Mario is standing on the left edge of the
// screen
if(mario_pos_difference.getX() < 0.01 && mario_pos_difference.getX() > -0.01) {
// 0.01 is the width of visible leftStop
scene.moveEverything(-(mario->getAbsolutePos().getX() - 0.01), 0);
} else {
scene.moveEverything( mario_pos_difference.getX(), 0 );
}
scene.updateSizeAndPosition();
auto left_stop_rightmost = leftStop->getDoubleRect().first.getX() +
leftStop->getDoubleRect().second.getX();
if ( mario->getPos().getX() < left_stop_rightmost ) {
mario->setPos( left_stop_rightmost, mario->getPos().getY() );
}
}
void pollEvents( SDLPP::Scene &scene ) {
SDL_Event event;
while ( SDLPP::getSDLEvent( event ) ) {
switch ( event.type ) {
case SDL_QUIT:
quit = true;
break;
case SDL_KEYDOWN:
if ( !event.key.repeat ) {
handleKeyDown( event.key.keysym.sym, scene );
}
break;
case SDL_KEYUP:
handleKeyUp( event.key.keysym.sym );
break;
case SDL_WINDOWEVENT:
if ( event.window.event == SDL_WINDOWEVENT_RESIZED ) {
auto prev_mario_pos = mario->getAbsolutePos();
scene.updateSizeAndPosition();
moveToMarioPosition( scene, prev_mario_pos );
update = true;
}
default:
break;
}
}
}
void doInput( std::shared_ptr< SDLPP::Scene > scene ) {
FPSmanager gFPS;
SDL_initFramerate( &gFPS );
SDL_setFramerate( &gFPS, 200 );
while ( !quit ) {
SDL_framerateDelay( &gFPS );
pollEvents( *scene );
std::lock_guard< std::mutex > lock( render_mutex );
scene->updateScene();
auto prev_coin_count = coin_count;
auto rightmost_x = renderer->getDoubleDimensions().getX();
for(size_t i = 0; i < moving_objects.size(); i++) {
moving_objects[i]->checkVisibility(rightmost_x);
if(!moving_objects[i]->wasVisible()) {
continue;
}
auto visitor =
getVisitor( *moving_objects[i], *scene, quit, coin_count, moving_objects );
scene->visitCollisions( *moving_objects[i], *visitor );
moving_objects[i]->handleVisitor( *visitor );
auto rightmost_pos = moving_objects[i]->getAbsolutePos().getX() +
moving_objects[i]->getDoubleRect().second.getX();
if(rightmost_pos < 0 && moving_objects[i] != mario) {
moving_objects[i]->destroy();
}
}
std::vector<uint64_t> killed_indices{};
for(size_t i = 0; i < moving_objects.size(); i++) {
if(moving_objects[i]->getKilled()) {
killed_indices.push_back(i);
}
}
std::reverse( killed_indices.begin(), killed_indices.end() );
for(auto &index : killed_indices) {
moving_objects.erase(moving_objects.begin() + index);
}
if ( coin_count != prev_coin_count ) {
coins->changeText( std::to_string( coin_count ) + " COINS" );
}
// if player is > 0.7 of playground, move everything left
auto playerX = mario->getRect().x;
auto width = scene->getWidth();
auto rightBarrier = width * 0.5;
auto rightmostX =
scene->rightmost()->getRect().x + scene->rightmost()->getRect().w;
scene->moveEverything(
( playerX > rightBarrier && rightmostX > width ) *
( rightBarrier - playerX ) / width,
0 );
update = update || (playerX > rightBarrier && rightmostX > width);
global_frames++;
}
}
#ifdef _WIN32
int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
PWSTR szCmdLine, int nCmdShow ) {
#else
int main() {
#endif
SDLPP::init();
SDLPP::Window w( "Mario clone!" );
w.setResizable( true );
renderer = std::make_shared< SDLPP::Renderer >( w );
renderer->setBlendMode( SDL_BLENDMODE_BLEND );
// prepare global vars
g_terrain_texture = std::make_shared< SDLPP::Texture >(
renderer, "sprites/terrain.png", MARIO_OVERWORLD_COLORKEY );
g_enemies_texture = std::make_shared< SDLPP::Texture >(
renderer, "sprites/enemies.png", MARIO_OVERWORLD_COLORKEY );
auto scene = std::make_shared< SDLPP::Scene >( renderer );
g_playground = scene;
auto bg = std::make_shared< SDLPP::RectangleRender >(
0, 0, 10, 10, renderer, MARIO_OVERWORLD_COLORKEY, true );
bg->setPermanent();
bg->setStatic();
bg->setId( 1 );
scene->addObject( bg );
g_mario_texture = std::make_shared< SDLPP::Texture >(
renderer, "sprites/mario.png", MARIO_OVERWORLD_COLORKEY );
g_translucent_terrain_texture = std::make_shared< SDLPP::Texture >(
renderer, "sprites/terrain.png", MARIO_OVERWORLD_COLORKEY );
g_translucent_terrain_texture->setAlpha( 100 );
mario = std::make_shared< Mario >( renderer );
scene->addObject( mario );
auto defeat =
std::make_shared< SDLPP::RectangleRender >( 0, 1.01, 0, 0, renderer );
defeat->setId( DEATH_ID );
defeat->setAlignment( SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER );
defeat->setPermanent();
auto defeatCol = SDLPP::RectColider( -1, 0, -1, -1 );
defeatCol.setInfinite();
defeat->addCollision( defeatCol );
scene->addObject( defeat );
leftStop = std::make_shared< SDLPP::RectangleRender >( -0.1, 0, 0.11, 0,
renderer );
leftStop->setId( STOP_MOVEMENT );
leftStop->setAlignment( SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER );
leftStop->setPermanent();
auto leftStopCol = SDLPP::RectColider( 0, -1, 1, -1 );
leftStopCol.setInfinite();
leftStop->addCollision( leftStopCol );
leftStop->setColiderColor( "#FF00FF" );
scene->addObject( leftStop );
loadMap( scene, mario, "test_binary2.bin" );
auto font = std::make_shared< SDLPP::Font >( "testfont.ttf", 36 );
fps = std::make_shared< SDLPP::TextRenderer >(
0.2, 0, 0.78, 0.1, renderer, font, "0fps", "#FFFFFF", "#000000", 0.1,
SDLPP_TEXT_RIGHT );
fps->setAlignment( SDLPP::OBJ_END, SDLPP::OBJ_START );
fps->setId( 0 );
fps->setPermanent();
fps->setHidden( true );
scene->addObject( fps );
coins = std::make_shared< SDLPP::TextRenderer >(
0.2, 0, 0.78, 0.1, renderer, font, "0 COINS", "#FFFFFF", "#000000", 0.1,
SDLPP_TEXT_RIGHT );
coins->setAlignment( SDLPP::OBJ_START, SDLPP::OBJ_START );
coins->setId( 0 );
coins->setPermanent();
scene->addObject( coins );
FPSmanager gFPS;
SDL_initFramerate( &gFPS );
SDL_setFramerate( &gFPS, 60 );
auto base = SDL_GetTicks();
int frames = 0;
scene->moveEverything( -mario->getDoubleRect().first.getX() + 0.2, 0 );
update = true;
std::unordered_set<uint64_t> background_ids = {
HILL_INCLINE_ID, HILL_DECLINE_ID, HILL_DOTS_RIGHT_ID, HILL_DOTS_LEFT_ID,
HILL_FILL_ID, HILL_TOP_ID, BUSH_LEFT_ID, BUSH_MIDDLE_ID, BUSH_RIGHT_ID,
CLOUD_LEFT_BOTTOM_ID, CLOUD_MIDDLE_BOTTOM_ID, CLOUD_RIGHT_BOTTOM_ID,
CLOUD_LEFT_TOP_ID, CLOUD_MIDDLE_TOP_ID, CLOUD_RIGHT_TOP_ID,
CASTLE_LEFT_ID, CASTLE_RIGHT_ID, CASTLE_BLACK_ID, CASTLE_ENTRY_ID,
CASTLE_TOWER_ID, CASTLE_TOWER_FILLED_ID, WATER_TOP_ID, WATER_FILL_ID };
scene->setBackgroundObjectIDs(background_ids);
scene->updateBackgroundObjectZIndex();
// we want mario to be first because visiting isn't perfect
moving_objects.push_back(mario);
std::unordered_set<int> moving_object_ids = {
GOOMBA_ID,
};
for(auto &obj : scene->getObjects(moving_object_ids)) {
moving_objects.push_back(std::dynamic_pointer_cast<MarioBlock>(obj));
}
std::thread inputThread( doInput, scene );
SDL_PumpEvents();
scene->updateSizeAndPosition();
scene->renderScene();
renderer->presentRenderer();
update = true;
while ( !quit ) {
SDL_framerateDelay( &gFPS );
SDL_PumpEvents();
std::lock_guard< std::mutex > lock( render_mutex );
mario->setStanding();
if ( update ) {
scene->updateSizeAndPosition();
update = false;
}
scene->renderScene();
renderer->presentRenderer();
frames++;
if ( SDL_GetTicks() - base >= 1000 ) {
if ( global_frames < frames ) {
frames = global_frames;
}
global_frames = 0;
fps->changeText( std::to_string( frames ) + " fps" );
frames = 0;
base = SDL_GetTicks();
}
}
inputThread.join();
return 0;
}
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