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