lcge.h

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/*
    LCGE - A Lightweight C Game Engine
    Copyright (C) 2021  Satvik Reddy
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
    USA
 
    Satvik Reddy <reddy.satvik@gmail.com>
*/
 
/*
     ___       ________  ________  _______
    |\  \     |\   ____\|\   ____\|\  ___ \
    \ \  \    \ \  \___|\ \  \___|\ \   __/|
     \ \  \    \ \  \    \ \  \  __\ \  \_|/__
      \ \  \____\ \  \____\ \  \|\  \ \  \_|\ \
       \ \_______\ \_______\ \_______\ \_______\
        \|_______|\|_______|\|_______|\|_______| v1.1.0
*/
 
#ifndef LCGE_H
#define LCGE_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef _WIN32
#define LCGE_IMPORT __declspec(dllimport)
#else
#define LCGE_IMPORT
#endif
 
#define LCGE_WINDOW_OPEN   1
#define LCGE_WINDOW_CLOSED 0
 
#define LCGE_INIT_ERR -1
#define LCGE_INIT_OK  0
 
#define LCGE_RESIZEABLE     1
#define LCGE_NON_RESIZEABLE 0
 
#define LCGE_CONTEXT_ERR -1
#define LCGE_CONTEXT_OK  1
 
LCGE_IMPORT extern int lcge_init(const char *lcge_res_dir);
 
LCGE_IMPORT extern int lcge_create_context(unsigned int width,
                       unsigned int height,
                       const char *title, int resizable);
 
LCGE_IMPORT extern int lcge_window_is_open();
 
LCGE_IMPORT extern void lcge_exit();
 
LCGE_IMPORT extern void lcge_window_clear();
 
LCGE_IMPORT extern void lcge_window_update();
 
typedef struct LCGE_rect LCGE_rect;
 
LCGE_IMPORT extern LCGE_rect *lcge_rect_load(float x, float y, float width,
                         float height);
 
LCGE_IMPORT extern void lcge_rect_delete(LCGE_rect *rect);
 
LCGE_IMPORT extern void lcge_rect_draw(LCGE_rect *rect, float r, float g,
                       float b);
 
LCGE_IMPORT extern void lcge_rect_set(LCGE_rect *rect, float x, float y,
                      float width, float height);
 
LCGE_IMPORT extern void lcge_rect_rotate(LCGE_rect *rect, float angle);
 
LCGE_IMPORT extern float lcge_rect_get_x(LCGE_rect *rect);
 
LCGE_IMPORT extern float lcge_rect_get_y(LCGE_rect *rect);
 
LCGE_IMPORT extern float lcge_rect_get_width(LCGE_rect *rect);
 
LCGE_IMPORT extern float lcge_rect_get_height(LCGE_rect *rect);
 
typedef struct LCGE_image LCGE_image;
 
LCGE_IMPORT extern LCGE_image *lcge_image_load(const char *filepath, float x,
                           float y, float width,
                           float height);
 
LCGE_IMPORT extern void lcge_image_delete(LCGE_image *image);
 
LCGE_IMPORT extern void lcge_image_rotate(LCGE_image *image, float angle);
 
LCGE_IMPORT void lcge_image_reflect(LCGE_image *image);
 
LCGE_IMPORT extern void lcge_image_set(LCGE_image *image, float x, float y,
                       float width, float height);
 
LCGE_IMPORT extern void lcge_image_draw(LCGE_image *image);
 
LCGE_IMPORT extern float lcge_image_get_x(LCGE_image *image);
 
LCGE_IMPORT extern float lcge_image_get_y(LCGE_image *image);
 
LCGE_IMPORT extern float lcge_image_get_width(LCGE_image *image);
 
LCGE_IMPORT extern float lcge_image_get_height(LCGE_image *image);
 
typedef struct LCGE_clock LCGE_clock;
 
LCGE_IMPORT extern LCGE_clock *lcge_clock_create(unsigned int fps);
 
LCGE_IMPORT extern void lcge_clock_delete(LCGE_clock *clock);
 
LCGE_IMPORT extern void lcge_clock_tick(LCGE_clock *clock);
 
/* Same values as GLFW keys */
#define LCGE_KEY_SPACE         32
#define LCGE_KEY_APOSTROPHE    39 /* ' */
#define LCGE_KEY_COMMA         44 /* , */
#define LCGE_KEY_MINUS         45 /* - */
#define LCGE_KEY_PERIOD        46 /* . */
#define LCGE_KEY_SLASH         47 /* / */
#define LCGE_KEY_0         48
#define LCGE_KEY_1         49
#define LCGE_KEY_2         50
#define LCGE_KEY_3         51
#define LCGE_KEY_4         52
#define LCGE_KEY_5         53
#define LCGE_KEY_6         54
#define LCGE_KEY_7         55
#define LCGE_KEY_8         56
#define LCGE_KEY_9         57
#define LCGE_KEY_SEMICOLON     59 /* ; */
#define LCGE_KEY_EQUAL         61 /* = */
#define LCGE_KEY_A         65
#define LCGE_KEY_B         66
#define LCGE_KEY_C         67
#define LCGE_KEY_D         68
#define LCGE_KEY_E         69
#define LCGE_KEY_F         70
#define LCGE_KEY_G         71
#define LCGE_KEY_H         72
#define LCGE_KEY_I         73
#define LCGE_KEY_J         74
#define LCGE_KEY_K         75
#define LCGE_KEY_L         76
#define LCGE_KEY_M         77
#define LCGE_KEY_N         78
#define LCGE_KEY_O         79
#define LCGE_KEY_P         80
#define LCGE_KEY_Q         81
#define LCGE_KEY_R         82
#define LCGE_KEY_S         83
#define LCGE_KEY_T         84
#define LCGE_KEY_U         85
#define LCGE_KEY_V         86
#define LCGE_KEY_W         87
#define LCGE_KEY_X         88
#define LCGE_KEY_Y         89
#define LCGE_KEY_Z         90
#define LCGE_KEY_LEFT_BRACKET  91 /* [ */
#define LCGE_KEY_BACKSLASH     92 /* \ */
#define LCGE_KEY_RIGHT_BRACKET 93 /* ] */
#define LCGE_KEY_GRAVE_ACCENT  96 /* ` */
#define LCGE_KEY_WORLD_1       161 /* non-US #1 */
#define LCGE_KEY_WORLD_2       162 /* non-US #2 */
#define LCGE_KEY_ESCAPE        256
#define LCGE_KEY_ENTER         257
#define LCGE_KEY_TAB           258
#define LCGE_KEY_BACKSPACE     259
#define LCGE_KEY_INSERT        260
#define LCGE_KEY_DELETE        261
#define LCGE_KEY_RIGHT         262
#define LCGE_KEY_LEFT          263
#define LCGE_KEY_DOWN          264
#define LCGE_KEY_UP        265
#define LCGE_KEY_PAGE_UP       266
#define LCGE_KEY_PAGE_DOWN     267
#define LCGE_KEY_HOME          268
#define LCGE_KEY_END           269
#define LCGE_KEY_CAPS_LOCK     280
#define LCGE_KEY_SCROLL_LOCK   281
#define LCGE_KEY_NUM_LOCK      282
#define LCGE_KEY_PRINT_SCREEN  283
#define LCGE_KEY_PAUSE         284
#define LCGE_KEY_F1        290
#define LCGE_KEY_F2        291
#define LCGE_KEY_F3        292
#define LCGE_KEY_F4        293
#define LCGE_KEY_F5        294
#define LCGE_KEY_F6        295
#define LCGE_KEY_F7        296
#define LCGE_KEY_F8        297
#define LCGE_KEY_F9        298
#define LCGE_KEY_F10           299
#define LCGE_KEY_F11           300
#define LCGE_KEY_F12           301
#define LCGE_KEY_F13           302
#define LCGE_KEY_F14           303
#define LCGE_KEY_F15           304
#define LCGE_KEY_F16           305
#define LCGE_KEY_F17           306
#define LCGE_KEY_F18           307
#define LCGE_KEY_F19           308
#define LCGE_KEY_F20           309
#define LCGE_KEY_F21           310
#define LCGE_KEY_F22           311
#define LCGE_KEY_F23           312
#define LCGE_KEY_F24           313
#define LCGE_KEY_F25           314
#define LCGE_KEY_KP_0          320
#define LCGE_KEY_KP_1          321
#define LCGE_KEY_KP_2          322
#define LCGE_KEY_KP_3          323
#define LCGE_KEY_KP_4          324
#define LCGE_KEY_KP_5          325
#define LCGE_KEY_KP_6          326
#define LCGE_KEY_KP_7          327
#define LCGE_KEY_KP_8          328
#define LCGE_KEY_KP_9          329
#define LCGE_KEY_KP_DECIMAL    330
#define LCGE_KEY_KP_DIVIDE     331
#define LCGE_KEY_KP_MULTIPLY   332
#define LCGE_KEY_KP_SUBTRACT   333
#define LCGE_KEY_KP_ADD        334
#define LCGE_KEY_KP_ENTER      335
#define LCGE_KEY_KP_EQUAL      336
#define LCGE_KEY_LEFT_SHIFT    340
#define LCGE_KEY_LEFT_CONTROL  341
#define LCGE_KEY_LEFT_ALT      342
#define LCGE_KEY_LEFT_SUPER    343
#define LCGE_KEY_RIGHT_SHIFT   344
#define LCGE_KEY_RIGHT_CONTROL 345
#define LCGE_KEY_RIGHT_ALT     346
#define LCGE_KEY_RIGHT_SUPER   347
#define LCGE_KEY_MENU          348
 
#define LCGE_KEY_PRESSED  1
#define LCGE_KEY_RELEASED -1
 
#define LCGE_MOUSE_BUTTON_1  0
#define LCGE_MOUSE_BUTTON_2  1
#define LCGE_MOUSE_BUTTON_3  2
#define LCGE_MOUSE_BUTTON_4  3
#define LCGE_MOUSE_BUTTON_5  4
#define LCGE_MOUSE_BUTTON_6  5
#define LCGE_MOUSE_BUTTON_7  6
#define LCGE_MOUSE_BUTTON_8  7
#define LCGE_MOUSE_BUTTON_LAST   LCGE_MOUSE_BUTTON_8
#define LCGE_MOUSE_BUTTON_LEFT   LCGE_MOUSE_BUTTON_1
#define LCGE_MOUSE_BUTTON_RIGHT  LCGE_MOUSE_BUTTON_2
#define LCGE_MOUSE_BUTTON_MIDDLE LCGE_MOUSE_BUTTON_3
 
#define LCGE_MOUSE_BUTTON_PRESSED  1
#define LCGE_MOUSE_BUTTON_RELEASED -1
 
LCGE_IMPORT extern int lcge_get_key(int key);
 
LCGE_IMPORT int lcge_get_mouse_button(int button);
 
typedef struct LCGE_cursor_pos {
    float x, y;
} LCGE_cursor_pos;
 
LCGE_IMPORT LCGE_cursor_pos lcge_get_cursor_position();
 
typedef struct LCGE_font LCGE_font;
 
LCGE_IMPORT LCGE_font *lcge_font_load(const char *filepath, float height);
 
LCGE_IMPORT extern void lcge_font_delete(LCGE_font *font);
 
typedef struct LCGE_text LCGE_text;
 
LCGE_IMPORT LCGE_text *lcge_text_load(const char *text, float x, float y,
                      LCGE_font *font);
 
LCGE_IMPORT void lcge_text_delete(LCGE_text *text);
 
LCGE_IMPORT void lcge_text_draw(LCGE_text *text, float r, float g, float b);
 
LCGE_IMPORT void lcge_text_set(LCGE_text *text, const char *n_text, float x,
                   float y);
 
LCGE_IMPORT float lcge_text_get_x(LCGE_text *text);
 
LCGE_IMPORT float lcge_text_get_y(LCGE_text *text);
 
LCGE_IMPORT float lcge_text_get_width(LCGE_text *text);
 
LCGE_IMPORT float lcge_text_get_height(LCGE_text *text);
 
typedef struct LCGE_line LCGE_line;
 
LCGE_IMPORT LCGE_line *lcge_line_load(float x0, float y0, float x1, float y1);
LCGE_IMPORT void lcge_line_delete(LCGE_line *line);
 
LCGE_IMPORT void lcge_line_draw(LCGE_line *line, float r, float g, float b);
LCGE_IMPORT void lcge_line_set(LCGE_line *line, float x0, float y0, float x1,
                   float y1);
 
#ifdef __cplusplus
}
#endif
 
#endif