glerminal/source/glerminal-private.h

124 lines
3.5 KiB
C++

#ifndef GLERMINAL_PRIVATE_H
#define GLERMINAL_PRIVATE_H
#include "glerminal.h"
#include "miniaudio.h"
#include <stb_image.h>
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <iostream>
#include <fstream>
#include <stdexcept>
#include <map>
#include <string>
namespace glerminal
{
constexpr unsigned int CELL_SIZE = 8;
constexpr unsigned int MAX_SPRITES_ROW = 64;
constexpr unsigned int MAX_SPRITES = MAX_SPRITES_ROW * MAX_SPRITES_ROW;
constexpr unsigned int GRID_WIDTH = ::GRID_WIDTH;
constexpr unsigned int GRID_HEIGHT = ::GRID_HEIGHT;
constexpr unsigned int LAYER_COUNT = ::LAYER_COUNT;
constexpr unsigned int CELL_SCALE = ::CELL_SCALE;
constexpr unsigned int GRID_AREA = GRID_WIDTH * GRID_HEIGHT;
constexpr unsigned int SCREEN_WIDTH = GRID_WIDTH * CELL_SIZE * CELL_SCALE;
constexpr unsigned int SCREEN_HEIGHT = GRID_HEIGHT * CELL_SIZE * CELL_SCALE;
constexpr unsigned int SOUND_CHANNELS = 8;
constexpr unsigned int GRID_AREA_2 = (GRID_WIDTH + 2) * (GRID_HEIGHT + 2);
class glerminal
{
public:
explicit glerminal(glerminal_init_params params);
~glerminal();
glerminal(const glerminal&) = delete;
glerminal(glerminal&&) = delete;
glerminal& operator=(const glerminal&) = delete;
glerminal& operator=(glerminal&&) = delete;
void run();
void quit();
void flush();
void set(int x, int y, int layer, unsigned short sprite);
unsigned short get(int x, int y, int layer) const;
void offset(int x, int y, int layer, float x_offset, float y_offset);
void color(int x, int y, int layer, unsigned int color);
void scale(int x,int y, int layer, float scale);
void load_atlas(unsigned char w, unsigned char h, const unsigned int* data);
bool load_sound(const char* name);
void play_sound(const char* name);
private:
// glfw data
GLFWwindow* m_window;
// opengl handles
unsigned int m_vbo;
unsigned int m_sprites_instance_vbo;
unsigned int m_offsets_instance_vbo;
unsigned int m_vao;
unsigned int m_screen_vao;
unsigned int m_program;
unsigned int m_screen_program;
unsigned int m_sprites_texture;
unsigned int m_framebuffer;
unsigned int m_framebuffer_backing_texture;
unsigned int m_screen_framebuffer;
unsigned int m_screen_framebuffer_backing_texture;
unsigned int m_colors_instance_vbo;
unsigned int m_scales_instance_vbo;
// per-cell data
unsigned short m_cells[GRID_AREA_2 * LAYER_COUNT];
float m_offsets[GRID_AREA_2 * LAYER_COUNT * 2];
unsigned char m_colors[GRID_AREA_2 * LAYER_COUNT * 4];
float m_scales[GRID_AREA_2 * LAYER_COUNT];
// library state
unsigned int m_sprites[(CELL_SIZE + 2) * (CELL_SIZE + 2) * MAX_SPRITES];
glerminal_main_cb m_main;
glerminal_keys_cb m_keypressed, m_keyreleased;
glerminal_mousemoved_cb m_mousemoved;
glerminal_mousepress_cb m_mousepressed, m_mousereleased;
ma_engine m_audio_engine;
std::map<std::string, ma_sound> m_sounds;
#ifdef GLERMINAL_OPENGL_DEBUG_CONTEXT
mutable std::ofstream m_log;
#endif
void log(GLenum type, GLuint id, GLenum severity, const char* message) const;
void init_glfw();
void init_gl();
void init_audio();
void deinit_glfw();
void deinit_gl();
void deinit_audio();
void update_sprites();
void update_colors();
void update_scales();
static void glfw_key_handler(GLFWwindow* window, int key, int scancode, int action, int mods);
static void glfw_mousemoved_handler(GLFWwindow* window, double x, double y);
static void glfw_mousepress_handler(GLFWwindow* window, int button, int action, int mods);
};
}
#endif//GLERMINAL_PRIVATE_H