123 lines
2.2 KiB
C++
123 lines
2.2 KiB
C++
#include "gamecore.h"
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#include "drawutils.h"
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#include "debug.h"
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int GameCore::NODE_SIZE = 25;
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GameCore::GameCore()
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{
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display = NULL;
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background = NULL;
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is_running = true;
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}
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int GameCore::execute()
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{
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if (!init()) return 1;
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SDL_Event event;
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while (is_running)
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{
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while(SDL_PollEvent(&event))
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handle_event(&event);
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iterate();
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render();
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}
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cleanup();
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return 0;
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}
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bool GameCore::init()
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{
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if (SDL_Init(SDL_INIT_EVERYTHING) < 0) return false;
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display = SDL_SetVideoMode(800,600,32, SDL_HWSURFACE | SDL_DOUBLEBUF);
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if (display == NULL)
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{
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#ifdef DEBUG
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std::cerr << "GameCore::init(): error: Couldn't create main surface\n";
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#endif
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return false;
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}
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background = DrawUtils::load("background.bmp");
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if (background == NULL)
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{
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#ifdef DEBUG
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std::cerr << "GameCore::init(): error: Couldn't load background image\n";
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#endif
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return false;
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}
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// DrawUtils::transpare(node, 255, 0, 255);
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// DrawUtils::transpare(move_template, 255, 0, 255);
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// SDL_SetAlpha(move_template, SDL_SRCALPHA, 128);
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return true;
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}
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void GameCore::render()
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{
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DrawUtils::draw(display, background, 0, 0);
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list<Vertex*> vertices = graph.get_vertices();
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list<Edge> edges = graph.get_edges();
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if (graph.get_current_vertex() != NULL)
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{
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Vertex* v = graph.get_current_vertex();
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DrawUtils::draw_circle_filled(display, v->x, v->y,
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Graph::MAX_MOVE_DISTANCE, 0xcb1919, 128);
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}
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for (list<Vertex*>::iterator cursor = vertices.begin();
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cursor != vertices.end(); cursor++)
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{
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Vertex v = *(*cursor);
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DrawUtils::draw_circle_filled(display, v.x, v.y, NODE_SIZE>>1,
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0x000000);
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}
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for (list<Edge>::iterator cursor = edges.begin();
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cursor != edges.end(); cursor++)
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{
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Edge e = *cursor;
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DrawUtils::draw_line(display, e.a->x, e.a->y, e.b->x, e.b->y, 2,
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0x000000);
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}
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SDL_Flip(display);
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}
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void GameCore::iterate()
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{
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}
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void GameCore::cleanup()
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{
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SDL_FreeSurface(background);
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SDL_FreeSurface(display);
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SDL_Quit();
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}
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void GameCore::on_exit()
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{
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is_running = false;
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}
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void GameCore::on_lbutton_down(int x, int y)
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{
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graph.do_vertex(x, y, NODE_SIZE);
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}
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