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101 lines
2.8 KiB
101 lines
2.8 KiB
#include "textures.hpp"
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#include <SFML/Graphics/Image.hpp>
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#include "dbc.hpp"
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#include <fmt/core.h>
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#include "config.hpp"
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#include "constants.hpp"
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#include <memory>
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namespace textures {
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using std::shared_ptr, std::make_shared;
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static TextureManager TMGR;
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static bool initialized = false;
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void load_sprites() {
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Config assets("assets/config.json");
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for(auto& [name, settings] : assets["sprites"].items()) {
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auto texture = make_shared<sf::Texture>(settings["path"]);
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texture->setSmooth(assets["graphics"]["smooth_textures"]);
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auto sprite = make_shared<sf::Sprite>(*texture);
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int width = settings["frame_width"];
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int height = settings["frame_height"];
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sprite->setTextureRect({{0,0}, {width, height}});
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TMGR.sprite_textures.try_emplace(name, sprite, texture);
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}
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TMGR.floor = load_image(assets["sprites"]["floor"]["path"]);
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TMGR.ceiling = load_image(assets["sprites"]["ceiling"]["path"]);
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}
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void load_tiles() {
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Config assets("assets/tiles.json");
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auto &tiles = assets.json();
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TMGR.surfaces.resize(tiles.size());
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TMGR.tile_set.resize(tiles.size());
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for(auto &el : tiles.items()) {
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auto &config = el.value();
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const std::string& texture_fname = config["texture"];
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size_t surface_i = config["id"];
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if(surface_i >= tiles.size()) {
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TMGR.surfaces.resize(surface_i + 1);
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TMGR.tile_set.resize(surface_i + 1);
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}
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TMGR.tile_set[surface_i] = config["display"];
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TMGR.surfaces[surface_i] = load_image(texture_fname);
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}
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}
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void init() {
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if(!initialized) {
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load_tiles();
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load_sprites();
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initialized = true;
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}
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}
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SpriteTexture get(const std::string& name) {
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dbc::check(initialized, "you forgot to call textures::init()");
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dbc::check(TMGR.sprite_textures.contains(name),
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fmt::format("!!!!! texture pack does not contain {} sprite", name));
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auto result = TMGR.sprite_textures.at(name);
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dbc::check(result.sprite != nullptr,
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fmt::format("bad sprite from textures::get named {}", name));
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dbc::check(result.texture != nullptr,
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fmt::format("bad texture from textures::get named {}", name));
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return result;
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}
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sf::Image load_image(const std::string& filename) {
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sf::Image texture;
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bool good = texture.loadFromFile(filename);
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dbc::check(good, fmt::format("failed to load {}", filename));
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return texture;
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}
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std::vector<wchar_t>& get_tile_set() {
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return TMGR.tile_set;
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}
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const uint32_t* get_surface(size_t num) {
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return (const uint32_t *)TMGR.surfaces[num].getPixelsPtr();
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}
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const uint32_t* get_floor() {
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return (const uint32_t *)TMGR.floor.getPixelsPtr();
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}
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const uint32_t* get_ceiling() {
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return (const uint32_t *)TMGR.ceiling.getPixelsPtr();
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}
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};
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