199 lines
3.3 KiB
C++
199 lines
3.3 KiB
C++
#include <string>
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#include <vector>
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#include <map>
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#include <SDL/SDL.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "sdlglutils.h"
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#include "init.h"
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#include "config.h"
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#include "types.h"
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#include "player.h"
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#include "map.h"
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#include "cube.h"
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#include "biome.h"
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#include "scene.h"
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Scene::Scene() {
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m_player = new Player(2, 2, 0, -130);
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loadTextures();
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m_biome = new Biome(0, 0, 0, m_textures["brick"]);
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}
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Scene::~Scene() {
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// Deleting loaded textures
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for(Textures::iterator element = m_textures.begin() ; element != m_textures.end() ; element++) {
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glDeleteTextures(1, &element->second);
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element->second = 0;
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}
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delete m_biome;
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delete m_player;
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}
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void Scene::exec() {
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lockMouse();
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m_cont = true;
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while(m_cont) {
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manageEvents();
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animate();
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draw();
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display();
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}
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unlockMouse();
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}
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void Scene::manageEvents() {
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SDL_Event event;
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while(SDL_PollEvent(&event)) {
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switch(event.type) {
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case SDL_QUIT:
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m_cont = false;
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break;
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case SDL_MOUSEMOTION:
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if((WIN_WIDTH / 2) != event.motion.x || (WIN_HEIGHT / 2) != event.motion.y) {
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m_player->turnH(-event.motion.xrel * 0.06);
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m_player->turnV(-event.motion.yrel * 0.06);
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SDL_WarpMouse((WIN_WIDTH / 2), (WIN_HEIGHT / 2));
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}
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break;
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case SDL_KEYDOWN:
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if(event.key.keysym.sym == SDLK_ESCAPE) {
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m_cont = false;
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}
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break;
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}
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}
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}
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void Scene::animate() {
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// Read keys state
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u8 *keys = SDL_GetKeyState(NULL);
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float direction = 0.0;
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bool movement = false;
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// Forward
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if(keys[SDLK_z]) {
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movement = true;
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if(keys[SDLK_q]) direction = 45.0;
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else if(keys[SDLK_d]) direction = -45.0;
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else direction = 0.0;
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}
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// Back
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else if(keys[SDLK_s]) {
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movement = true;
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if(keys[SDLK_q]) direction = 135.0;
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else if(keys[SDLK_d]) direction = -135.0;
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else direction = 180.0;
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}
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if(movement == false) {
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// Left
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if(keys[SDLK_q]) {
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direction = 90.0;
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movement = true;
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}
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// Right
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else if(keys[SDLK_d]) {
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direction = -90.0;
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movement = true;
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}
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}
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if(keys[SDLK_SPACE]) {
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m_player->fly();
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}
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else if(keys[SDLK_LSHIFT]) {
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m_player->land();
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}
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if(movement) {
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#define MOVEMENT_SPEED (2.0f)
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float distance = 20 * MOVEMENT_SPEED / 1000.0f;
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m_player->move(distance, direction);
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}
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}
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void Scene::draw() {
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// Clean screen
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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// Put camera
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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m_player->watch();
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// Drawing field
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drawField();
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}
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void Scene::display() {
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glFlush();
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SDL_GL_SwapBuffers();
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}
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void Scene::loadTextures() {
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// Load ground textures
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m_textures["ground"] = loadTexture("textures/ground.bmp");
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m_textures["brick"] = loadTexture("textures/brick.bmp");
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}
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void Scene::drawField() {
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// Turn on textures
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glEnable(GL_TEXTURE_2D);
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// Select texture
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glBindTexture(GL_TEXTURE_2D, m_textures["ground"]);
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// Add texture to scene
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glBegin(GL_QUADS);
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glColor3ub(255, 255, 255);
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glTexCoord2d(0, 1); glVertex3d(0, 0, -0.1);
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glTexCoord2d(0, 0); glVertex3d(50, 0, -0.1);
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glTexCoord2d(1, 0); glVertex3d(50, 50, -0.1);
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glTexCoord2d(1, 1); glVertex3d(0, 50, -0.1);
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glEnd();
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m_biome->draw();
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}
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void Scene::lockMouse() {
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SDL_WM_GrabInput(SDL_GRAB_ON);
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SDL_WarpMouse((WIN_WIDTH / 2), (WIN_HEIGHT / 2));
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SDL_ShowCursor(false);
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}
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void Scene::unlockMouse() {
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SDL_WM_GrabInput(SDL_GRAB_OFF);
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SDL_ShowCursor(true);
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}
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