12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667 |
- #pragma once
-
- #include <string.h>
- #include <stdint.h>
- #include <memory>
-
- #include "util.h"
- #include "common.h"
- #include "Tile.h"
-
- namespace Swan {
-
- class World;
- class Game;
-
- class Chunk {
- public:
- using RelPos = TilePos;
-
- // What does this chunk want the world gen to do after a tick?
- enum class TickAction {
- DEACTIVATE,
- DELETE,
- NOTHING,
- };
-
- Chunk(ChunkPos pos): pos_(pos) {
- data_.reset(new uint8_t[CHUNK_WIDTH * CHUNK_HEIGHT * sizeof(Tile::ID)]);
- }
-
- Tile::ID *getTileData();
- Tile::ID getTileID(RelPos pos);
- void setTileID(RelPos pos, Tile::ID id, SDL_Texture *tex);
- void setTileData(RelPos pos, Tile::ID id);
- void render(const Context &ctx, SDL_Renderer *rnd);
-
- void compress();
- void decompress();
- void draw(const Context &ctx, Win &win);
- TickAction tick(float dt);
-
- bool isActive() { return deactivate_timer_ > 0; }
- void keepActive();
- void markModified() { is_modified_ = true; }
-
- ChunkPos pos_;
-
- private:
- static constexpr float DEACTIVATE_INTERVAL = 20;
- static uint8_t *renderbuf;
-
- void renderList(SDL_Renderer *rnd);
-
- bool isCompressed() { return compressed_size_ != -1; }
-
- std::unique_ptr<uint8_t[]> data_;
- std::vector<std::pair<RelPos, SDL_Texture *>> draw_list_;
-
- ssize_t compressed_size_ = -1; // -1 if not compressed, a positive number if compressed
- bool need_render_ = false;
- float deactivate_timer_ = DEACTIVATE_INTERVAL;
- bool is_modified_ = false;
-
- CPtr<SDL_Texture, SDL_DestroyTexture> texture_;
- };
-
- }
|