summaryrefslogtreecommitdiff
path: root/indra/newview/llwlparammanager.h
blob: 8e1e0ddaff5c2f459901a47250a72536dee70ab0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
/**
 * @file llwlparammanager.h
 * @brief Implementation for the LLWLParamManager class.
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * 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;
 * version 2.1 of the License only.
 * 
 * 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
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_WLPARAMMANAGER_H
#define LL_WLPARAMMANAGER_H

#include <vector>
#include <map>
#include "llenvmanager.h"
#include "llwlparamset.h"
#include "llwlanimator.h"
#include "llwldaycycle.h"
#include "llviewercamera.h"
#include "lltrans.h"

class LLGLSLShader;
 
// color control
struct WLColorControl {
	
	F32 r, g, b, i;				/// the values
	std::string mName;			/// name to use to dereference params
	std::string mSliderName;	/// name of the slider in menu
	bool hasSliderName;			/// only set slider name for true color types
	bool isSunOrAmbientColor;			/// flag for if it's the sun or ambient color controller
	bool isBlueHorizonOrDensity;		/// flag for if it's the Blue Horizon or Density color controller

	inline WLColorControl(F32 red, F32 green, F32 blue, F32 intensity,
						  const std::string& n, const std::string& sliderName = LLStringUtil::null)
		: r(red), g(green), b(blue), i(intensity), mName(n), mSliderName(sliderName)
	{
		// if there's a slider name, say we have one
		hasSliderName = false;
		if (mSliderName != "") {
			hasSliderName = true;
		}

		// if it's the sun controller
		isSunOrAmbientColor = false;
		if (mSliderName == "WLSunlight" || mSliderName == "WLAmbient") {
			isSunOrAmbientColor = true;
		}

		isBlueHorizonOrDensity = false;
		if (mSliderName == "WLBlueHorizon" || mSliderName == "WLBlueDensity") {
			isBlueHorizonOrDensity = true;
		}
	}

	inline WLColorControl & operator = (LLVector4 const & val) {
		r = val.mV[0];
		g = val.mV[1];
		b = val.mV[2];
		i = val.mV[3];
		return *this;
	}

	inline operator LLVector4 (void) const {
		return LLVector4(r, g, b, i);
	}

	inline operator LLVector3 (void) const {
		return LLVector3(r, g, b);
	}

	inline void update(LLWLParamSet & params) const {
		params.set(mName, r, g, b, i);
	}
};

// float slider control
struct WLFloatControl {
	F32 x;
	std::string mName;
	F32 mult;

	inline WLFloatControl(F32 val, const std::string& n, F32 m=1.0f)
		: x(val), mName(n), mult(m)
	{
	}

	inline WLFloatControl & operator = (LLVector4 const & val) {
		x = val.mV[0];

		return *this;
	}

	inline operator F32 (void) const {
		return x;
	}

	inline void update(LLWLParamSet & params) const {
		params.set(mName, x);
	}
};

struct LLWLParamKey : LLEnvKey
{
public:
	// scope and source of a param set (WL sky preset)
	std::string name;
	EScope scope;

	// for conversion from LLSD
	static const int NAME_IDX = 0;
	static const int SCOPE_IDX = 1;

	inline LLWLParamKey(const std::string& n, EScope s)
		: name(n), scope(s)
	{
	}

	inline LLWLParamKey(LLSD llsd)
		: name(llsd[NAME_IDX].asString()), scope(EScope(llsd[SCOPE_IDX].asInteger()))
	{
	}

	inline LLWLParamKey() // NOT really valid, just so std::maps can return a default of some sort
		: name(""), scope(SCOPE_LOCAL)
	{
	}

	inline LLWLParamKey(std::string& stringVal)
	{
		size_t len = stringVal.length();
		if (len > 0)
		{
			name = stringVal.substr(0, len - 1);
			scope = (EScope) atoi(stringVal.substr(len - 1, len).c_str());
		}
	}

	inline std::string toStringVal() const
	{
		std::stringstream str;
		str << name << scope;
		return str.str();
	}

	inline LLSD toLLSD() const
	{
		LLSD llsd = LLSD::emptyArray();
		llsd.append(LLSD(name));
		llsd.append(LLSD(scope));
		return llsd;
	}

	inline void fromLLSD(const LLSD& llsd)
	{
		name = llsd[NAME_IDX].asString();
		scope = EScope(llsd[SCOPE_IDX].asInteger());
	}

	inline bool operator <(const LLWLParamKey other) const
	{
		if (name < other.name)
		{	
			return true;
		}
		else if (name > other.name)
		{
			return false;
		}
		else
		{
			return scope < other.scope;
		}
	}

	inline bool operator ==(const LLWLParamKey other) const
	{
		return (name == other.name) && (scope == other.scope);
	}

	inline std::string toString() const
	{
		switch (scope)
		{
		case SCOPE_LOCAL:
			return name + std::string(" (") + LLTrans::getString("Local") + std::string(")");
			break;
		case SCOPE_REGION:
			return name + std::string(" (") + LLTrans::getString("Region") + std::string(")");
			break;
		default:
			return name + " (?)";
		}
	}
};

/// WindLight parameter manager class - what controls all the wind light shaders
class LLWLParamManager : public LLSingleton<LLWLParamManager>
{
	LOG_CLASS(LLWLParamManager);

public:
	typedef boost::signals2::signal<void()> preset_list_signal_t;

	/// save the parameter presets to file
	void savePreset(const LLWLParamKey key);

	/// Set shader uniforms dirty, so they'll update automatically.
	void propagateParameters(void);
	
	/// Update shader uniforms that have changed.
	void updateShaderUniforms(LLGLSLShader * shader);

	/// setup the animator to run
	void resetAnimator(F32 curTime, bool run);

	/// update information camera dependent parameters
	void update(LLViewerCamera * cam);

	/// apply specified params
	void applyUserPrefs(bool interpolate);

	/// apply default sky params
	void applyDefaults();

	/// apply specified day cycle, setting time to noon by default
	bool applyDayCycleParams(const LLSD& params, LLEnvKey::EScope scope, F32 time = 0.5);

	/// apply specified fixed sky params
	bool applySkyParams(const LLSD& params);

	// get where the light is pointing
	inline LLVector4 getLightDir(void) const;

	// get where the light is pointing
	inline LLVector4 getClampedLightDir(void) const;

	// get where the light is pointing
	inline LLVector4 getRotatedLightDir(void) const;
	
	/// get the dome's offset
	inline F32 getDomeOffset(void) const;

	/// get the radius of the dome
	inline F32 getDomeRadius(void) const;
	
	/// add a param set (preset) to the list
	bool addParamSet(const LLWLParamKey& key, LLWLParamSet& param);

	/// add a param set (preset) to the list
	BOOL addParamSet(const LLWLParamKey& key, LLSD const & param);

	/// get a param set (preset) from the list
	bool getParamSet(const LLWLParamKey& key, LLWLParamSet& param);

	/// check whether the preset is in the list
	bool hasParamSet(const LLWLParamKey& key);

	/// set the param in the list with a new param
	bool setParamSet(const LLWLParamKey& key, LLWLParamSet& param);
	
	/// set the param in the list with a new param
	bool setParamSet(const LLWLParamKey& key, LLSD const & param);

	/// gets rid of a parameter and any references to it
	/// ignores "delete_from_disk" if the scope is not local
	void removeParamSet(const LLWLParamKey& key, bool delete_from_disk);

	/// clear parameter mapping of a given scope
	void clearParamSetsOfScope(LLEnvKey::EScope scope);

	/// @return true if the preset comes out of the box
	bool isSystemPreset(const std::string& preset_name);

	/// Emitted when a preset gets added or deleted.
	boost::signals2::connection setPresetListChangeCallback(const preset_list_signal_t::slot_type& cb);

	/// add all skies in LLSD using the given scope
	void addAllSkies(LLEnvKey::EScope scope, const LLSD& preset_map);

	/// refresh region-scope presets
	void refreshRegionPresets();

	// returns all skies referenced by the current day cycle (in mDay), with their final names
	// side effect: applies changes to all internal structures!  (trashes all unreferenced skies in scope, keys in day cycle rescoped to scope, etc.)
	std::map<LLWLParamKey, LLWLParamSet> finalizeFromDayCycle(LLWLParamKey::EScope scope);

	// returns all skies in map (intended to be called with output from a finalize)
	static LLSD createSkyMap(std::map<LLWLParamKey, LLWLParamSet> map);

	/// escape string in a way different from LLURI::escape()
	static std::string escapeString(const std::string& str);

	// helper variables
	LLWLAnimator mAnimator;

	/// actual direction of the sun
	LLVector4 mLightDir;

	/// light norm adjusted so haze works correctly
	LLVector4 mRotatedLightDir;

	/// clamped light norm for shaders that
	/// are adversely affected when the sun goes below the
	/// horizon
	LLVector4 mClampedLightDir;

	// list of params and how they're cycled for days
	LLWLDayCycle mDay;

	LLWLParamSet mCurParams;

	/// Sun Delta Terrain tweak variables.
	F32 mSunDeltaYaw;
	WLFloatControl mWLGamma;

	F32 mSceneLightStrength;
	
	/// Atmospherics
	WLColorControl mBlueHorizon;
	WLColorControl mHazeDensity;
	WLColorControl mBlueDensity;
	WLFloatControl mDensityMult;
	WLColorControl mHazeHorizon;
	WLFloatControl mMaxAlt;

	/// Lighting
	WLColorControl mLightnorm;
	WLColorControl mSunlight;
	WLColorControl mAmbient;
	WLColorControl mGlow;

	/// Clouds
	WLColorControl mCloudColor;
	WLColorControl mCloudMain;
	WLFloatControl mCloudCoverage;
	WLColorControl mCloudDetail;
	WLFloatControl mDistanceMult;
	WLFloatControl mCloudScale;

	/// sky dome
	F32 mDomeOffset;
	F32 mDomeRadius;
	
	// list of all the parameters, listed by name
	std::map<LLWLParamKey, LLWLParamSet> mParamList;
	
private:

	void loadAllPresets();
	void loadPresetsFromDir(const std::string& dir);
	bool loadPreset(const std::string& path);

	static std::string getSysDir();
	static std::string getUserDir();

	friend class LLSingleton<LLWLParamManager>;
	/*virtual*/ void initSingleton();
	LLWLParamManager();
	~LLWLParamManager();

	preset_list_signal_t mPresetListChangeSignal;
};

inline F32 LLWLParamManager::getDomeOffset(void) const
{
	return mDomeOffset;
}

inline F32 LLWLParamManager::getDomeRadius(void) const
{
	return mDomeRadius;
}

inline LLVector4 LLWLParamManager::getLightDir(void) const
{
	return mLightDir;
}

inline LLVector4 LLWLParamManager::getClampedLightDir(void) const
{
	return mClampedLightDir;
}

inline LLVector4 LLWLParamManager::getRotatedLightDir(void) const
{
	return mRotatedLightDir;
}

#endif