rcpp_framework/rendering/opengl/game_scene.cpp

166 lines
3.3 KiB
C++

#include "game_scene.h"
#include "application.h"
void GameScene::event(const SDL_Event &ev) {
switch (ev.type) {
case SDL_WINDOWEVENT: {
switch (ev.window.event) {
case SDL_WINDOWEVENT_SIZE_CHANGED: {
int width = ev.window.data1;
int height = ev.window.data2;
float ar = static_cast<float>(width) / static_cast<float>(height);
camera->width = camera->height * ar;
glViewport(0, 0, width, height);
break;
}
}
break;
}
case SDL_KEYDOWN: {
if (ev.key.keysym.scancode == SDL_SCANCODE_A) {
left = true;
} else if (ev.key.keysym.scancode == SDL_SCANCODE_W) {
up = true;
} else if (ev.key.keysym.scancode == SDL_SCANCODE_S) {
down = true;
} else if (ev.key.keysym.scancode == SDL_SCANCODE_D) {
right = true;
}
break;
}
case SDL_KEYUP: {
if (ev.key.keysym.scancode == SDL_SCANCODE_A) {
left = false;
} else if (ev.key.keysym.scancode == SDL_SCANCODE_W) {
up = false;
} else if (ev.key.keysym.scancode == SDL_SCANCODE_S) {
down = false;
} else if (ev.key.keysym.scancode == SDL_SCANCODE_D) {
right = false;
}
break;
}
}
}
void GameScene::update(float delta) {
if (up) {
sprite->position.y += delta * 3.0;
}
if (down) {
sprite->position.y -= delta * 3.0;
}
if (left) {
sprite->position.x -= delta * 3.0;
}
if (right) {
sprite->position.x += delta * 3.0;
}
if (sprite->position.x < 1.5) {
sprite->position.x = 1.5;
}
if (sprite->position.x > 14.5) {
sprite->position.x = 14.5;
}
if (sprite->position.y < 1.5) {
sprite->position.y = 1.5;
}
if (sprite->position.y > 14.5) {
sprite->position.y = 14.5;
}
}
void GameScene::render() {
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
camera->bind();
tile_map->render();
sprite->render();
}
GameScene::GameScene() {
left = false;
right = false;
up = false;
down = false;
camera = new OrthographicCamera();
camera->width = 16;
camera->height = 16;
camera->position.x = 8;
camera->position.y = 8;
//camera->position.z = -2;
int w;
int h;
SDL_GetWindowSize(Application::get_singleton()->window, &w, &h);
float ar = static_cast<float>(w) / static_cast<float>(h);
camera->width = camera->height * ar;
texture = new Texture();
texture->load_image("download.bmp");
//ha a textúrának van alpha csatornája:
//texture->load_image("download.bmp", GL_RGBA, GL_RGBA);
material = new TextureMaterial();
material->texture = texture;
sprite = new Sprite();
sprite->mesh_instance->material = material;
sprite->position.x = 8;
sprite->position.y = 8;
sprite->region_x = 7.0 * (1.0 / 16.0);
sprite->region_y = 7.0 * (1.0 / 16.0);
sprite->region_width = 1.0 / 16.0;
sprite->region_height = 1.0 / 16.0;
sprite->update_mesh();
tile_map = new TileMap();
tile_map->material = material;
tile_map->atlas_size_x = 16;
tile_map->atlas_size_y = 16;
tile_map->allocate_data();
for (int x = 0; x < tile_map->size_x; ++x) {
for (int y = 0; y < tile_map->size_y; ++y) {
if (x == 0 || y == 0 || x == tile_map->size_x - 1 || y == tile_map->size_y - 1) {
tile_map->set_data(x, y, 2);
} else {
tile_map->set_data(x, y, 1);
}
}
}
tile_map->build_mesh();
}
GameScene::~GameScene() {
delete camera;
delete texture;
delete material;
delete tile_map;
delete sprite;
}