88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
#ifndef GLERMINAL_H
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#define GLERMINAL_H
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#include <glerminal-config.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef void (*glerminal_init_cb)();
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typedef void (*glerminal_main_cb)(float dt);
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typedef void (*glerminal_keys_cb)(int key);
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/**
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* @brief Call init once, then run the application's mainloop
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* @param init initialization callback
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* @param main main calllback
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* @param pressed key pressed callback (can be null)
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* @param released key released callback (can be null)
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*/
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void glerminal_run(glerminal_init_cb init, glerminal_main_cb main, glerminal_keys_cb pressed, glerminal_keys_cb released);
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void glerminal_quit();
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/**
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* @brief Update the displayed screen contents to the current state of the library
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*/
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void glerminal_flush();
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/**
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* @brief Set a cell's sprite
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* @param x position of the cell in the range [0, 40)
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* @param y position of the cell in the range [0, 25)
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* @param layer layer of the cell in the range [0, 8)
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* @param sprite sprite's index in the range [0, 256)
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*/
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void glerminal_set(unsigned char x, unsigned char y, unsigned char layer, unsigned char sprite);
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/**
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* @brief Get a cell's sprite
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* @param x position of the cell in the range [0, 40)
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* @param y position of the cell in the range [0, 25)
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* @param layer layer of the cell in the range [0, 8)
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* @return sprite index currently assigned to the cell
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*/
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unsigned char glerminal_get(unsigned char x, unsigned char y, unsigned char layer);
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/**
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* @brief Set a cell's offset
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* @param x position of the cell in the range [0, 40)
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* @param y position of the cell in the range [0, 25)
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* @param layer layer of the cell in the range [0, 8)
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* @param x_offset offset of the cell on the x axis in the range [-128, 127], where 0 is no offset
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* @param y_offset offset of the cell on the y axis in the range [-128, 127], where 0 is no offset
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*/
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void glerminal_offset(unsigned char x, unsigned char y, unsigned char layer, float x_offset, float y_offset);
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/**
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* @brief Set a layer's color
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* @param layer The layer to modify
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* @param color The new color
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*/
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void glerminal_layer_color(unsigned char layer, unsigned int color);
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/**
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* @brief Set a layer's scale
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* @param layer The layer to modify
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* @param scale The new scale
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*/
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void glerminal_layer_scale(unsigned char layer, float scale);
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/**
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* @brief Load sprites from a png file
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* @param filename Name of the png file
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*/
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int glerminal_load_sprites_file(const char* filename);
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/**
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* @brief Load sprites from memory
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* @param width width of the atlas in sprites
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* @param height height of the atlas in sprites
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* @param buffer the in-memory atlas
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*/
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int glerminal_load_sprites_buffer(unsigned char width, unsigned char height, const unsigned int* buffer);
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#ifdef __cplusplus
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}
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#endif
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#endif//GLERMINAL_H
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