1 /***************************************************************************
2  *   Copyright (C) 2005-2019 by the FIFE team                              *
3  *   http://www.fifengine.net                                              *
4  *   This file is part of FIFE.                                            *
5  *                                                                         *
6  *   FIFE is free software; you can redistribute it and/or                 *
7  *   modify it under the terms of the GNU Lesser General Public            *
8  *   License as published by the Free Software Foundation; either          *
9  *   version 2.1 of the License, or (at your option) any later version.    *
10  *                                                                         *
11  *   This library is distributed in the hope that it will be useful,       *
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
14  *   Lesser General Public License for more details.                       *
15  *                                                                         *
16  *   You should have received a copy of the GNU Lesser General Public      *
17  *   License along with this library; if not, write to the                 *
18  *   Free Software Foundation, Inc.,                                       *
19  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
20  ***************************************************************************/
21 
22 // Standard C++ library includes
23 #include <algorithm>
24 #include <string>
25 
26 // 3rd party library includes
27 #include <SDL.h>
28 
29 // FIFE includes
30 // These includes are split up in two parts, separated by one empty line
31 // First block: files included from the FIFE root src directory
32 // Second block: files included from the same folder
33 #include "util/base/exception.h"
34 #include "util/log/logger.h"
35 
36 #include "enginesettings.h"
37 
38 namespace FIFE {
39 	/** Logger to use for this source file.
40 	 *  @relates Logger
41 	 */
42 	static Logger _log(LM_CONTROLLER);
43 
44 	const float MAXIMUM_VOLUME = 10.0;
45 
EngineSettings()46 	EngineSettings::EngineSettings():
47 		m_bitsperpixel(0),
48 		m_fullscreen(false),
49 		m_refreshRate(60),
50 		m_displayIndex(0),
51 		m_vSync(false),
52 		m_renderDriver(""),
53 		m_initialvolume(MAXIMUM_VOLUME / 2),
54 		m_renderbackend("SDL"),
55 		m_sdlremovefakealpha(false),
56 		m_oglcompressimages(false),
57 		m_ogluseframebuffer(true),
58 		m_oglusenpot(true),
59 		m_oglMipmapping(false),
60 		m_oglMonochrome(false),
61 		m_oglTextureFilter(TEXTURE_FILTER_NONE),
62 		m_oglDepthBuffer(false),
63 		m_alphaTestValue(0.3),
64 		m_screenwidth(800),
65 		m_screenheight(600),
66 		m_windowtitle("FIFE"),
67 		m_windowicon(""),
68 		m_defaultfontpath("fonts/FreeSans.ttf"),
69 		m_defaultfontsize(8),
70 		m_defaultfontglyphs("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,!?-+/():;%&amp;`'*#=[]\\\""),
71 		m_iscolorkeyenabled(false),
72 		m_lighting(0),
73 		m_isframelimit(false),
74 		m_framelimit(60),
75 		m_mousesensitivity(0.0),
76 		m_mouseacceleration(false),
77 		m_nativeimagecursor(false),
78 		m_joystickSupport(false) {
79 			m_colorkey.r = 255;
80 			m_colorkey.g = 0;
81 			m_colorkey.b = 255;
82 
83 #if defined( __unix__ )
84 			m_videodriver = "x11";
85 #elif defined( WIN32 )
86 			m_videodriver = "windib";
87 #elif defined( __APPLE_CC__ )
88 			m_videodriver = "x11";
89 #else
90 			m_videodriver = "";
91 #endif
92 
93 	}
94 
~EngineSettings()95 	EngineSettings::~EngineSettings() {
96 	}
97 
setBitsPerPixel(uint8_t bitsperpixel)98 	void EngineSettings::setBitsPerPixel(uint8_t bitsperpixel) {
99 		std::vector<uint8_t> pv = getPossibleBitsPerPixel();
100 		std::vector<uint8_t>::iterator i = std::find(pv.begin(), pv.end(), bitsperpixel);
101 		if (i != pv.end()) {
102 			m_bitsperpixel = bitsperpixel;
103 			return;
104 		}
105 
106 		FL_WARN(_log, LMsg("EngineSettings::setBitsPerPixel() - ")
107 			<< " Tried to set screen bpp to an unsupporded value of " << bitsperpixel <<
108 			".  Setting bpp to use the default value of 0 (the current screen bpp)");
109 
110 		m_bitsperpixel = 0;  //default value
111 	}
112 
getPossibleBitsPerPixel() const113 	std::vector<uint8_t> EngineSettings::getPossibleBitsPerPixel() const {
114 		std::vector<uint8_t> tmp;
115 		tmp.push_back(0);
116 		tmp.push_back(16);
117 		tmp.push_back(24);
118 		tmp.push_back(32);
119 		return tmp;
120 	}
121 
setInitialVolume(float volume)122 	void EngineSettings::setInitialVolume(float volume) {
123 		if (volume > getMaxVolume() || volume < 0) {
124 			FL_WARN(_log, LMsg("EngineSettings::setInitialVolume() - ")
125 				<< " Tried to set initial volume to an unsupporded value of " << volume <<
126 				".  Setting volume to the default value of 5 (minumum is 0, maximum is 10)");
127 
128 			m_initialvolume = 5.0;
129 			return;
130 		}
131 
132 		m_initialvolume = volume;
133 	}
134 
getMaxVolume() const135 	float EngineSettings::getMaxVolume() const {
136 		return MAXIMUM_VOLUME;
137 	}
138 
setRenderBackend(const std::string & renderbackend)139 	void EngineSettings::setRenderBackend(const std::string& renderbackend) {
140 		std::vector<std::string> pv = getPossibleRenderBackends();
141 		std::vector<std::string>::iterator i = std::find(pv.begin(), pv.end(), renderbackend);
142 		if (i != pv.end()) {
143 			m_renderbackend = renderbackend;
144 			return;
145 		}
146 		FL_WARN(_log, LMsg("EngineSettings::setRenderBackend() - ")
147 			<< renderbackend << " is not a valid render backend " <<
148 			".  Setting the render backend to the default value of \"SDL\".");
149 
150 		m_renderbackend = "SDL";
151 	}
152 
getPossibleRenderBackends()153 	std::vector<std::string> EngineSettings::getPossibleRenderBackends() {
154 		std::vector<std::string> tmp;
155 		tmp.push_back("SDL");
156 		tmp.push_back("OpenGL");
157 		return tmp;
158 	}
159 
setSDLRemoveFakeAlpha(bool sdlremovefakealpha)160 	void EngineSettings::setSDLRemoveFakeAlpha(bool sdlremovefakealpha) {
161 		m_sdlremovefakealpha = sdlremovefakealpha;
162 	}
163 
setGLCompressImages(bool oglcompressimages)164 	void EngineSettings::setGLCompressImages(bool oglcompressimages) {
165 		m_oglcompressimages = oglcompressimages;
166 	}
167 
setGLUseFramebuffer(bool ogluseframebuffer)168 	void EngineSettings::setGLUseFramebuffer(bool ogluseframebuffer) {
169 		m_ogluseframebuffer = ogluseframebuffer;
170 	}
171 
setGLUseNPOT(bool oglusenpot)172 	void EngineSettings::setGLUseNPOT(bool oglusenpot) {
173 		m_oglusenpot = oglusenpot;
174 	}
175 
setGLTextureFiltering(TextureFiltering filter)176 	void EngineSettings::setGLTextureFiltering(TextureFiltering filter) {
177 		m_oglTextureFilter = filter;
178 	}
179 
getGLTextureFiltering() const180 	TextureFiltering EngineSettings::getGLTextureFiltering() const {
181 		return m_oglTextureFilter;
182 	}
183 
setGLUseMipmapping(bool mipmapping)184 	void EngineSettings::setGLUseMipmapping(bool mipmapping) {
185 		m_oglMipmapping = mipmapping;
186 	}
187 
isGLUseMipmapping() const188 	bool EngineSettings::isGLUseMipmapping() const {
189 		return m_oglMipmapping;
190 	}
191 
setGLUseMonochrome(bool monochrome)192 	void EngineSettings::setGLUseMonochrome(bool monochrome) {
193 		m_oglMonochrome = monochrome;
194 	}
195 
isGLUseMonochrome() const196 	bool EngineSettings::isGLUseMonochrome() const {
197 		return m_oglMonochrome;
198 	}
199 
setGLUseDepthBuffer(bool buffer)200 	void EngineSettings::setGLUseDepthBuffer(bool buffer) {
201 		m_oglDepthBuffer = buffer;
202 	}
203 
isGLUseDepthBuffer() const204 	bool EngineSettings::isGLUseDepthBuffer() const {
205 		return m_oglDepthBuffer;
206 	}
207 
setGLAlphaTestValue(float alpha)208 	void EngineSettings::setGLAlphaTestValue(float alpha) {
209 		m_alphaTestValue = alpha;
210 	}
211 
getGLAlphaTestValue() const212 	float EngineSettings::getGLAlphaTestValue() const {
213 		return m_alphaTestValue;
214 	}
215 
setScreenWidth(uint16_t screenwidth)216 	void EngineSettings::setScreenWidth(uint16_t screenwidth) {
217 		m_screenwidth = screenwidth;
218 	}
219 
setScreenHeight(uint16_t screenheight)220 	void EngineSettings::setScreenHeight(uint16_t screenheight) {
221 		m_screenheight = screenheight;
222 	}
223 
setDefaultFontPath(const std::string & defaultfontpath)224 	void EngineSettings::setDefaultFontPath(const std::string& defaultfontpath) {
225 		m_defaultfontpath = defaultfontpath;
226 	}
227 
setDefaultFontSize(uint16_t defaultfontsize)228 	void EngineSettings::setDefaultFontSize(uint16_t defaultfontsize) {
229 		m_defaultfontsize = defaultfontsize;
230 	}
231 
setDefaultFontGlyphs(const std::string & defaultfontglyphs)232 	void EngineSettings::setDefaultFontGlyphs(const std::string& defaultfontglyphs) {
233 		m_defaultfontglyphs = defaultfontglyphs;
234 	}
235 
setWindowTitle(const std::string & title)236 	void EngineSettings::setWindowTitle(const std::string& title) {
237 		m_windowtitle = title;
238 	}
239 
setWindowIcon(const std::string & icon)240 	void EngineSettings::setWindowIcon(const std::string& icon) {
241 		m_windowicon = icon;
242 	}
243 
setColorKeyEnabled(bool colorkeyenable)244 	void EngineSettings::setColorKeyEnabled(bool colorkeyenable) {
245 		m_iscolorkeyenabled = colorkeyenable;
246 	}
247 
isColorKeyEnabled() const248 	bool EngineSettings::isColorKeyEnabled() const {
249 		return m_iscolorkeyenabled;
250 	}
251 
setColorKey(uint8_t r,uint8_t g,uint8_t b)252 	void EngineSettings::setColorKey(uint8_t r, uint8_t g, uint8_t b) {
253 		m_colorkey.r = r;
254 		m_colorkey.g = g;
255 		m_colorkey.b = b;
256 	}
257 
getColorKey() const258 	const SDL_Color& EngineSettings::getColorKey() const {
259 		return m_colorkey;
260 	}
261 
setVideoDriver(const std::string & driver)262 	void EngineSettings::setVideoDriver(const std::string& driver) {
263 		//TODO: validate the video driver
264 		m_videodriver = driver;
265 	}
266 
getVideoDriver() const267 	const std::string& EngineSettings::getVideoDriver() const {
268 		return m_videodriver;
269 	}
setLightingModel(uint32_t lighting)270 	void EngineSettings::setLightingModel(uint32_t lighting) {
271 		if (lighting <= 2) {
272 			m_lighting = lighting;
273 			return;
274 		}
275 
276 		FL_WARN(_log, LMsg("EngineSettings::setLightingModel() - ")
277 			<< lighting << " is not a valid lighting model." <<
278 			".  Setting the lighting model to the default value of 0 (off)");
279 
280 		m_lighting = 0;
281 	}
282 
setFrameLimitEnabled(bool limited)283 	void EngineSettings::setFrameLimitEnabled(bool limited) {
284 		m_isframelimit = limited;
285 	}
286 
isFrameLimitEnabled() const287 	bool EngineSettings::isFrameLimitEnabled() const {
288 		return m_isframelimit;
289 	}
290 
setFrameLimit(uint16_t framelimit)291 	void EngineSettings::setFrameLimit(uint16_t framelimit) {
292 		m_framelimit = framelimit;
293 	}
294 
getFrameLimit() const295 	uint16_t EngineSettings::getFrameLimit() const {
296 		return m_framelimit;
297 	}
298 
setMouseSensitivity(float sens)299 	void EngineSettings::setMouseSensitivity(float sens) {
300 		m_mousesensitivity = sens;
301 	}
302 
getMouseSensitivity() const303 	float EngineSettings::getMouseSensitivity() const {
304 		return m_mousesensitivity;
305 	}
306 
setMouseAccelerationEnabled(bool acceleration)307 	void EngineSettings::setMouseAccelerationEnabled(bool acceleration) {
308 		m_mouseacceleration = acceleration;
309 	}
310 
isMouseAccelerationEnabled() const311 	bool EngineSettings::isMouseAccelerationEnabled() const {
312 		return m_mouseacceleration;
313 	}
314 
setNativeImageCursorEnabled(bool nativeimagecursor)315 	void EngineSettings::setNativeImageCursorEnabled(bool nativeimagecursor) {
316 		m_nativeimagecursor = nativeimagecursor;
317 	}
318 
isNativeImageCursorEnabled() const319 	bool EngineSettings::isNativeImageCursorEnabled() const {
320 		return m_nativeimagecursor;
321 	}
322 
setJoystickSupport(bool support)323 	void EngineSettings::setJoystickSupport(bool support) {
324 		m_joystickSupport = support;
325 	}
326 
isJoystickSupport() const327 	bool EngineSettings::isJoystickSupport() const {
328 		return m_joystickSupport;
329 	}
330 }
331 
332