libsuperderpy/src/utils.h
2018-02-03 02:13:24 +01:00

89 lines
3.3 KiB
C

/*! \file utils.h
* \brief Headers of helper functions.
*/
/*
* Copyright (c) Sebastian Krzyszkowiak <dos@dosowisko.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSUPERDERPY_UTILS_H
#define LIBSUPERDERPY_UTILS_H
#include "libsuperderpy.h"
#include <allegro5/allegro.h>
#include <allegro5/allegro_font.h>
#ifdef ALLEGRO_WINDOWS
#define LIBRARY_EXTENSION ".dll"
#elif defined(ALLEGRO_MACOSX)
#define LIBRARY_EXTENSION ".dylib"
#elif defined(__EMSCRIPTEN__)
#define LIBRARY_EXTENSION ".js"
#else
#define LIBRARY_EXTENSION ".so"
#endif
struct Viewport;
struct Gamestate;
/*! \brief Draws rectangle filled with vertical gradient. */
void DrawVerticalGradientRect(float x, float y, float w, float h, ALLEGRO_COLOR top, ALLEGRO_COLOR bottom);
/*! \brief Draws rectangle filled with horizontal gradient. */
void DrawHorizontalGradientRect(float x, float y, float w, float h, ALLEGRO_COLOR left, ALLEGRO_COLOR right);
/*! \brief Draws text with shadow.
*
* Draws given text two times: once with color (0,0,0,128) and 1px off in both x and y axis,
* and second time with actual given color and position.
*/
void DrawTextWithShadow(ALLEGRO_FONT* font, ALLEGRO_COLOR color, float x, float y, int flags, char const* text);
int DrawWrappedText(ALLEGRO_FONT* font, ALLEGRO_COLOR color, float x, float y, int width, int flags, char const* text);
int DrawWrappedTextWithShadow(ALLEGRO_FONT* font, ALLEGRO_COLOR color, float x, float y, int width, int flags, char const* text);
ALLEGRO_COLOR InterpolateColor(ALLEGRO_COLOR c1, ALLEGRO_COLOR c2, float frac);
void ScaleBitmap(ALLEGRO_BITMAP* source, int width, int height);
/*! \brief Loads bitmap into memory and scales it with software linear filtering. */
ALLEGRO_BITMAP* LoadScaledBitmap(struct Game* game, char* filename, int width, int height);
/*! \brief Finds path for data file. */
char* GetDataFilePath(struct Game* game, char* filename);
char* GetGameName(struct Game* game, char* format);
/*! \brief Print some message on game console.
*
* Draws message on console bitmap, so it'll be displayed when calling DrawConsole.
* If game->debug is true, then it also prints given message on stdout.
* It needs to be called in printf style.
*/
void PrintConsole(struct Game* game, char* format, ...);
void FatalError(struct Game* game, bool exit, char* format, ...);
void SetupViewport(struct Game* game, struct Viewport config);
void WindowCoordsToViewport(struct Game* game, int* x, int* y);
ALLEGRO_BITMAP* GetFramebuffer(struct Game* game);
void SetFramebufferAsTarget(struct Game* game);
ALLEGRO_BITMAP* CreateNotPreservedBitmap(int width, int height);
void EnableCompositor(struct Game* game, void compositor(struct Game* game, struct Gamestate* gamestates));
void DisableCompositor(struct Game* game);
#endif