446 lines
15 KiB
C++
446 lines
15 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdpch.h"
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//
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#include "nel/3d/u_instance_material.h"
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#include "nel/3d/u_particle_system_instance.h"
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#include "nel/3d/u_instance.h"
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//
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#include "nel/misc/path.h"
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#include "nel/misc/file.h"
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//
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#include "sky_object.h"
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#include "sky.h"
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using namespace NLMISC;
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using namespace NL3D;
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////////////////////////////
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// CSkyObject::CColorInfo //
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////////////////////////////
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// *************************************************************************************************
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void CSkyObject::CColorInfo::init(const CSkyObjectSheet::CColorInfoSheet &ci,
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std::map<std::string, CBitmap *> &bitmapByName,
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std::vector<CBitmap *> &builtBitmaps)
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{
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Mode = ci.Mode;
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bool alreadyBuilt;
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Map = buildSharedBitmap(ci.MapName, bitmapByName, builtBitmaps, alreadyBuilt);
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}
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// *************************************************************************************************
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CRGBA CSkyObject::CColorInfo::computeColor(float dayPart, float weatherLevel, CRGBA fogColor)
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{
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switch(Mode)
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{
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case Unused: return CRGBA(0, 0, 0, 0);
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case FogColor: return fogColor;
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case BitmapColor:
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clamp(dayPart, 0.f, 1.f);
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clamp(weatherLevel, 0.f, 1.f);
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if (!Map) return CRGBA(0, 0, 0, 0);
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return Map->getColor(dayPart, weatherLevel, true, false);
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case BitmapColorModulatedByFogColor:
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{
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clamp(dayPart, 0.f, 1.f);
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clamp(weatherLevel, 0.f, 1.f);
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if (!Map) return CRGBA(0, 0, 0, 0);
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CRGBA result = Map->getColor(dayPart, weatherLevel, true, false);
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result.modulateFromColor(result, fogColor);
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return result;
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}
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break;
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default:
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nlassert(0); // unknwon type
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break;
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}
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return CRGBA(0, 0, 0, 0);
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}
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// *************************************************************************************************
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////////////////////////////////////
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// CSkyObject::CColorGradientInfo //
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////////////////////////////////////
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void CSkyObject::CColorGradientInfo::init(const CSkyObjectSheet::CColorGradientInfoSheet &cgis,
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std::map<std::string,CBitmap *> &bitmapByName,
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std::vector<CBitmap *> &builtBitmaps)
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{
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TargetTextureStage = cgis.TargetTextureStage;
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WeatherToGradient.resize(cgis.WeatherToGradient.size());
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CBitmap *lastSeenBitmap = NULL;
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for(uint k = 0; k < cgis.WeatherToGradient.size(); ++k)
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{
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bool alreadyBuilt;
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WeatherToGradient[k] = buildSharedBitmap(cgis.WeatherToGradient[k], bitmapByName, builtBitmaps, alreadyBuilt);
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if (WeatherToGradient[k])
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{
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if (!WeatherToGradient[k]->convertToType(CBitmap::RGBA))
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{
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// can't use bitmap..
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WeatherToGradient[k] = NULL; // don't do a delete here because it'is 'builtBitmaps' that has ownership
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}
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else
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{
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if (!alreadyBuilt)
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{
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// rotate the bitmap because it is faster to blit a row than a column
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WeatherToGradient[k]->rot90CCW();
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WeatherToGradient[k]->flipV();
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}
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if (lastSeenBitmap)
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{
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if (WeatherToGradient[k]->getWidth() != lastSeenBitmap->getWidth() ||
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WeatherToGradient[k]->getHeight() != lastSeenBitmap->getHeight()
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)
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{
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nlwarning("All bitmaps must have the same size in the gradient");
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}
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}
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lastSeenBitmap = WeatherToGradient[k];
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}
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}
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}
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}
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/*
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static void dumpGrad(CBitmap &bm)
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{
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CRGBA *pixs = (CRGBA *) &bm.getPixels(0)[0];
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for(uint k = 0; k < bm.getWidth(); ++k)
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{
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nlinfo("(r, g, b, a) = (%d, %d, %d, %d)", pixs[k].R, pixs[k].G, pixs[k].B, pixs[k].A);
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}
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}
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*/
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// *************************************************************************************************
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void CSkyObject::CColorGradientInfo::setup(NL3D::UInstance instance, float dayPart, float weatherLevel, CBitmap &gradientCache, CBitmap &gradientCacheBlurred)
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{
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if (instance.empty()) return;
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if (WeatherToGradient.empty()) return;
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clamp(dayPart, 0.f, 1.f);
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clamp(weatherLevel, 0.f, 1.f);
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// takes 2 closest bitmaps to do the blend
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uint bm0Index = std::min(uint(weatherLevel * WeatherToGradient.size()), uint(WeatherToGradient.size() - 1));
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uint bm1Index = std::min(uint(weatherLevel * WeatherToGradient.size() + 1), uint(WeatherToGradient.size() - 1));
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CBitmap *bm0 = WeatherToGradient[bm0Index];
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CBitmap *bm1 = WeatherToGradient[bm1Index];
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if (!bm1 && !bm0) return;
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if (!bm1) bm1 = bm0;
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if (!bm0) bm0 = bm1;
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// make sure that both bitmap have the same size
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if (bm0->getWidth() != bm1->getWidth() || bm0->getHeight() != bm1->getHeight()) return;
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// extract the 2 slices before to blend
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uint slice0 = (uint) (dayPart * bm0->getHeight());
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uint slice1 = (uint) (dayPart * bm0->getHeight() + 1) % bm0->getHeight();
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//nlinfo("slice0 = %d", slice0);
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Slice0[0].resize(bm0->getWidth(), 1);
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Slice0[1].resize(bm0->getWidth(), 1);
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Slice0[0].blit(*bm0, 0, slice0, bm0->getWidth(), 1, 0, 0);
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Slice0[1].blit(*bm0, 0, slice1, bm0->getWidth(), 1, 0, 0);
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Slice0[0].blend(Slice0[0], Slice0[1], (uint) (256 * fmodf(dayPart * bm0->getHeight(), 1.f)), true);
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Slice1[0].resize(bm0->getWidth(), 1);
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Slice1[1].resize(bm0->getWidth(), 1);
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Slice1[0].blit(*bm1, 0, slice0, bm1->getWidth(), 1, 0, 0);
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Slice1[1].blit(*bm1, 0, slice1, bm1->getWidth(), 1, 0, 0);
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Slice1[0].blend(Slice1[0], Slice1[1], (uint) (256 * fmodf(dayPart * bm0->getHeight(), 1.f)), true);
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Slice0[0].blend(Slice0[0], Slice1[0], (uint) (256 * fmodf(weatherLevel * WeatherToGradient.size(), 1.f)), true);
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// see if blended result differs from cache, if so, update texture of the instance
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const uint32 *newGrad = (uint32 *) &Slice0[0].getPixels()[0];
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if (gradientCache.getPixels(0).empty())
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{
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gradientCache.resize(bm1->getWidth() , 1, CBitmap::RGBA);
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}
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const uint32 *oldGrad = (uint32 *) &gradientCache.getPixels()[0];
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nlassert(gradientCache.getWidth() == Slice0[0].getWidth());
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if (!std::equal(newGrad, newGrad + bm0->getWidth(), oldGrad))
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{
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// update the cache
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gradientCache.swap(Slice0[0]);
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// build a blurred version of the gradient cache (improve quality of gradient)
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if (gradientCacheBlurred.getWidth() != gradientCache.getWidth() ||
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gradientCacheBlurred.getHeight() != gradientCache.getHeight())
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{
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gradientCacheBlurred.resize(gradientCache.getWidth(), 1);
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}
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nlassert(gradientCacheBlurred.PixelFormat == gradientCache.PixelFormat);
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CRGBA *destPix = (CRGBA *) &gradientCacheBlurred.getPixels()[0];
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const CRGBA *srcPix = (const CRGBA *) &gradientCache.getPixels(0)[0];
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*destPix++ = *srcPix ++;
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const CRGBA *lastSrcPix = srcPix + Slice0[0].getWidth() - 2;
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while (srcPix != lastSrcPix)
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{
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destPix->R = (uint8) (((uint16) srcPix[- 1].R + (uint16) srcPix->R + (uint16) srcPix[1].R) * (256 / 3) >> 8);
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destPix->G = (uint8) (((uint16) srcPix[- 1].G + (uint16) srcPix->G + (uint16) srcPix[1].G) * (256 / 3) >> 8);
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destPix->B = (uint8) (((uint16) srcPix[- 1].B + (uint16) srcPix->B + (uint16) srcPix[1].B) * (256 / 3) >> 8);
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destPix->A = (uint8) (((uint16) srcPix[- 1].A + (uint16) srcPix->A + (uint16) srcPix[1].A) * (256 / 3) >> 8);
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++ destPix;
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++ srcPix;
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}
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*destPix++ = *srcPix ++;
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// set the new texture
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uint numMaterials = instance.getNumMaterials();
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for(uint k = 0; k < numMaterials; ++k)
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{
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// do a free ccw rotate by swapping height & width (because height is 1)
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instance.getMaterial(k).setTextureMem(TargetTextureStage,
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&gradientCacheBlurred.getPixels()[0],
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gradientCacheBlurred.getWidth() * gradientCacheBlurred.getHeight() * sizeof(uint32),
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false,
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false,
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gradientCacheBlurred.getHeight(),
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gradientCacheBlurred.getWidth());
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// clamp on v coordinate
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instance.getMaterial(k).setWrapT(TargetTextureStage, NL3D::UInstanceMaterial::Clamp);
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}
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}
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}
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// *************************************************************************************************
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////////////////
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// CSkyObject //
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////////////////
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void CSkyObject::init(const CSkyObjectSheet::CVersionSheet &sheet,
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NL3D::UInstance instance,
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std::map<std::string,CBitmap *> &bitmapByName,
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std::vector<CBitmap *> &builtBitmaps,
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bool visibleInMainScene,
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bool visibleInEnvMap
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)
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{
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if (instance.empty()) return;
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Instance = instance;
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// set display priority
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instance.setTransparencyPriority(sheet.TransparencyPriority);
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PS.cast(Instance);
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//
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DiffuseColor.init(sheet.DiffuseColor, bitmapByName, builtBitmaps);
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ParticleEmitters.init(sheet.ParticleEmitters, bitmapByName, builtBitmaps);
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for(uint k = 0; k < SKY_MAX_NUM_STAGE; ++k)
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{
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ConstantColor[k].init(sheet.ConstantColor[k], bitmapByName, builtBitmaps);
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bool alreadyBuilt;
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if (!sheet.OffsetUBitmap[k].empty())
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{
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OffsetUBitmap[k] = buildSharedBitmap(sheet.OffsetUBitmap[k], bitmapByName, builtBitmaps, alreadyBuilt);
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}
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if (!sheet.OffsetVBitmap[k].empty())
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{
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OffsetVBitmap[k] = buildSharedBitmap(sheet.OffsetVBitmap[k], bitmapByName, builtBitmaps, alreadyBuilt);
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}
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}
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ColorGradient.init(sheet.ColorGradient, bitmapByName, builtBitmaps);
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RefColor = sheet.RefColor;
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std::copy(sheet.TexPanner, sheet.TexPanner + SKY_MAX_NUM_STAGE, TexPanner);
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std::copy(sheet.OffsetFactor, sheet.OffsetFactor + SKY_MAX_NUM_STAGE, OffsetFactor);
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for(uint k = 0; k < SKY_MAX_NUM_FX_USER_PARAMS; ++k)
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{
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if (!sheet.FXUserParamBitmap[k].empty())
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{
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bool alreadyBuilt;
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FXUserParams[k] = buildSharedBitmap(sheet.FXUserParamBitmap[k], bitmapByName, builtBitmaps, alreadyBuilt);
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}
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}
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Name = sheet.ShapeName;
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VisibleInMainScene = visibleInMainScene;
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VisibleInEnvMap = visibleInEnvMap;
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}
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// *************************************************************************************************
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bool CSkyObject::setup(const CClientDate &date, const CClientDate &animationDate, float numHoursInDay, float weatherLevel, CRGBA fogColor, bool envMapScene)
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{
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if (Instance.empty()) return false;
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Active = true;
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nlassert(numHoursInDay > 0.f);
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float dayPart = date.Hour / numHoursInDay;
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clamp(dayPart, 0.f, 1.f);
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clamp(weatherLevel, 0.f, 1.f);
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if (DiffuseColor.Mode != Unused)
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{
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CRGBA newDiffuseColor = DiffuseColor.computeColor(dayPart, weatherLevel, fogColor);
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if (newDiffuseColor != LastDiffuseColor)
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{
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// is it a particle system
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if (!PS.empty())
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{
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PS.setUserColor(newDiffuseColor);
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// PS are hiden / shown, so must unfreeze hrc. (adding an isntance group causes hrc to be frozen)
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PS.unfreezeHRC();
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}
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else
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{
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// set diffuse color for each material with normal shader
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uint numMaterials = Instance.getNumMaterials();
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for(uint k = 0; k < numMaterials; ++k)
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{
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UInstanceMaterial im = Instance.getMaterial(k);
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if (im.isLighted())
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{
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Instance.getMaterial(k).setDiffuse(newDiffuseColor);
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}
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else
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{
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Instance.getMaterial(k).setColor(newDiffuseColor);
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}
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}
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// set mean color for other objects (lens flares...)
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Instance.setMeanColor(newDiffuseColor);
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}
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LastDiffuseColor = newDiffuseColor;
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}
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if (RefColor == DiffuseColorRef) // if this is the ref color, then the object is not visible if alpha is 0
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{
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if (newDiffuseColor.A == 0)
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{
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Active = false;
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}
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}
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}
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// is it a particle system
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if (ParticleEmitters.Mode != Unused)
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{
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CRGBA newParticleEmittersColor = ParticleEmitters.computeColor(dayPart, weatherLevel, fogColor);
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if (newParticleEmittersColor != LastParticleEmittersColor)
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{
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if (!PS.empty())
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{
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// emitters are on is any of the components is not 0
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PS.activateEmitters(newParticleEmittersColor != CRGBA::Black);
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}
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LastParticleEmittersColor = newParticleEmittersColor;
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}
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if (RefColor == ParticleEmittersColorRef) // if this is the ref color, then the object is not visible if alpha is 0
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{
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if (LastParticleEmittersColor == CRGBA::Black)
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{
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if (!PS.hasParticles()) // can deactivate PS only when all particles are off
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{
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Active = false;
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}
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}
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}
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}
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uint numMaterials = Instance.getNumMaterials();
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for(uint k = 0; k < SKY_MAX_NUM_STAGE; ++k)
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{
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if (ConstantColor[k].Mode != Unused)
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{
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CRGBA newConstantColor = ConstantColor[k].computeColor(dayPart, weatherLevel, fogColor);
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if (newConstantColor != LastConstantColor[k])
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{
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for(uint l = 0; l < numMaterials; ++l)
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{
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Instance.getMaterial(l).setConstantColor(k, newConstantColor);
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}
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LastConstantColor[k] = newConstantColor;
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}
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if (RefColor == (TSkyRefColor) (ConstantColor0Ref + k))
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{
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if (newConstantColor.A == 0)
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{
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Active = false;
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}
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}
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}
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}
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bool draw = Active;
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if (envMapScene && !VisibleInEnvMap)
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{
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draw = false;
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}
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else if (!envMapScene && !VisibleInMainScene)
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{
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draw = false;
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}
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if (draw)
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{
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Instance.show();
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Instance.unfreezeHRC();
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}
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else
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{
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Instance.hide();
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Instance.freezeHRC();
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}
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double animTime = animationDate.Hour + (double) animationDate.Day * (double) numHoursInDay;
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if (PS.empty())
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{
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////////////////////
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// gradient setup //
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////////////////////
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ColorGradient.setup(Instance, dayPart, weatherLevel, GradientCache, GradientCacheBlurred);
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///////////////////////
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// tex panning setup //
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///////////////////////
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for(uint k = 0; k < SKY_MAX_NUM_STAGE; ++k)
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{
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if (TexPanner[k].U != 0.f || TexPanner[k].V != 0.f ||
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OffsetUBitmap != NULL || OffsetVBitmap != NULL )
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{
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//nlinfo("global date = %f", animTime);
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// there's tex panning for that stage
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double u = TexPanner[k].U * animTime;
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u = fmod(u, 1);
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double v = TexPanner[k].V * animTime;
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v = fmod(v, 1);
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CVector offset((float) u, (float) v, 0.f);
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// apply scaling if needed
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if (OffsetUBitmap[k])
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{
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offset.x += OffsetFactor[k].U * OffsetUBitmap[k]->getColor(dayPart, weatherLevel, true, false).R;
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}
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if (OffsetVBitmap[k])
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{
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offset.y += OffsetFactor[k].V * OffsetVBitmap[k]->getColor(dayPart, weatherLevel, true, false).R;
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}
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CMatrix mat;
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mat.setPos(offset);
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for(uint l = 0; l < numMaterials; ++l)
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{
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Instance.getMaterial(l).enableUserTexMat(k);
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Instance.getMaterial(l).setUserTexMat(k, mat);
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}
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}
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}
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}
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else
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{
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// user params setup
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for(uint k = 0; k < SKY_MAX_NUM_FX_USER_PARAMS; ++k)
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{
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if (FXUserParams[k])
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{
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CRGBA color = FXUserParams[k]->getColor(dayPart, weatherLevel, true, false);
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PS.setUserParam(k, color.R / 255.f);
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}
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}
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}
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return Active;
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}
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// *************************************************************************************************
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CSkyObject::~CSkyObject()
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{
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}
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