mirror of
https://git.shylie.info/shylie/glerminal.git
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88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
#ifndef TERMG_PRIVATE_H
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#define TERMG_PRIVATE_H
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#include "glerminal.h"
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#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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#include <stdexcept>
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#ifdef _DEBUG
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#include <fstream>
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#endif
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namespace glerminal
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{
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constexpr unsigned int SCREEN_WIDTH = 1280;
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constexpr unsigned int SCREEN_HEIGHT = 800;
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constexpr unsigned int CELL_SIZE = GLERMINAL_CELL_SIZE;
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constexpr unsigned int CELL_SCALE = 4;
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constexpr unsigned int GRID_WIDTH = SCREEN_WIDTH / (CELL_SIZE * CELL_SCALE);
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constexpr unsigned int GRID_HEIGHT = SCREEN_HEIGHT / (CELL_SIZE * CELL_SCALE);
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constexpr unsigned int GRID_AREA = GRID_WIDTH * GRID_HEIGHT;
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constexpr unsigned int LAYER_COUNT = 256;
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class glerminal
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{
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public:
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glerminal(glerminal_init_cb init, glerminal_main_cb main);
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~glerminal();
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glerminal(const glerminal&) = delete;
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glerminal(glerminal&&) = delete;
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glerminal& operator=(const glerminal&) = delete;
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glerminal& operator=(glerminal&&) = delete;
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void run();
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void flush();
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void set(unsigned char x, unsigned char y, unsigned char layer, unsigned char sprite);
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unsigned char get(unsigned char x, unsigned char y, unsigned char layer) const;
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void offset(unsigned char x, unsigned char y, unsigned char layer, float x_offset, float y_offset);
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void update_sprite(unsigned char id, glerminal_sprite sprite);
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void update_palette_color(unsigned char id, unsigned int color);
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private:
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GLFWwindow* m_window;
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unsigned int m_vbo;
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unsigned int m_sprites_instance_vbo;
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unsigned int m_offsets_instance_vbo;
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unsigned int m_vao;
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unsigned int m_program;
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unsigned int m_screen_vao;
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unsigned int m_screen_program;
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unsigned int m_sprites_texture;
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unsigned int m_framebuffer;
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unsigned int m_framebuffer_backing_texture;
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unsigned int m_screen_size_uniform_location;
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unsigned int m_palette_uniform_location;
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unsigned char m_cells[GRID_AREA * LAYER_COUNT];
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float m_offsets[GRID_AREA * LAYER_COUNT * 2];
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unsigned char m_sprites[CELL_SIZE * CELL_SIZE * 256];
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float m_palette[256 * 4];
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glerminal_main_cb m_main;
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#ifdef _DEBUG
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mutable std::ofstream m_log;
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void log(GLenum type, GLuint id, GLenum severity, const char* message) const;
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#endif
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void init_glfw();
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void init_gl();
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void deinit_glfw();
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void deinit_gl();
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void update_sprites();
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void update_palette();
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};
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}
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#endif//TERMG_PRIVATE_H
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