Initial commit

engines/zvision/graphics/effects/fog.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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/>.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "zvision/zvision.h"
+#include "zvision/graphics/render_manager.h"
+#include "zvision/graphics/effects/fog.h"
+#include "zvision/scripting/script_manager.h"
+
+namespace ZVision {
+
+FogFx::FogFx(ZVision *engine, uint32 key, Common::Rect region, bool ported, EffectMap *Map, const Common::Path &clouds):
+	GraphicsEffect(engine, key, region, ported) {
+
+	_map = Map;
+
+	_r = 0;
+	_g = 0;
+	_b = 0;
+
+	_pos = 0;
+
+	if (SearchMan.hasFile(clouds))
+		_engine->getRenderManager()->readImageToSurface(clouds, _fog);
+	else
+		_engine->getRenderManager()->readImageToSurface("cloud.tga", _fog);
+
+	_mp.resize(_fog.h);
+	for (int16 i = 0; i < _fog.h; i++) {
+		_mp[i].resize(_fog.w);
+		for (int16 j = 0; j < _fog.w; j++)
+			_mp[i][j] = true;
+	}
+
+	for (uint8 i = 0; i < 32; i++)
+		_colorMap[i] = 0;
+}
+
+FogFx::~FogFx() {
+	if (_map)
+		delete _map;
+
+	for (uint16 i = 0; i < _mp.size(); i++)
+		_mp[i].clear();
+	_mp.clear();
+}
+
+const Graphics::Surface *FogFx::draw(const Graphics::Surface &srcSubRect) {
+	_surface.copyFrom(srcSubRect);
+	EffectMap::iterator it = _map->begin();
+
+	uint32 cnt = 0;
+
+	for (uint16 j = 0; j < _surface.h; j++) {
+		uint16 *lineBuf = (uint16 *)_surface.getBasePtr(0, j);
+
+		for (uint16 i = 0; i < _surface.w; i++) {
+			if (it->inEffect) {
+				// Not 100% equivalent, but looks nice and not buggy
+				uint8 sr, sg, sb;
+				_engine->_resourcePixelFormat.colorToRGB(lineBuf[i], sr, sg, sb);
+				uint16 fogColor = *(uint16 *)_fog.getBasePtr((i + _pos) % _fog.w, j);
+				uint8 dr, dg, db;
+				_engine->_resourcePixelFormat.colorToRGB(_colorMap[fogColor & 0x1F], dr, dg, db);
+				uint16 fr = dr + sr;
+				if (fr > 255)
+					fr = 255;
+				uint16 fg = dg + sg;
+				if (fg > 255)
+					fg = 255;
+				uint16 fb = db + sb;
+				if (fb > 255)
+					fb = 255;
+				lineBuf[i] = _engine->_resourcePixelFormat.RGBToColor(fr, fg, fb);
+			}
+			cnt++;
+			if (cnt >= it->count) {
+				it++;
+				cnt = 0;
+			}
+			if (it == _map->end())
+				break;
+		}
+		if (it == _map->end())
+			break;
+	}
+
+	return &_surface;
+}
+
+void FogFx::update() {
+	_pos += _engine->getScriptManager()->getStateValue(StateKey_EF9_Speed);
+	_pos %= _fog.w;
+	debugC(2, kDebugEffect, "Updating fog effect");
+	uint8 dr = _engine->getScriptManager()->getStateValue(StateKey_EF9_R);
+	uint8 dg = _engine->getScriptManager()->getStateValue(StateKey_EF9_G);
+	uint8 db = _engine->getScriptManager()->getStateValue(StateKey_EF9_B);
+	dr = CLIP((int)dr, 0, 31);
+	dg = CLIP((int)dg, 0, 31);
+	db = CLIP((int)db, 0, 31);
+
+	if (dr != _r || dg != _g || db != _b) {
+		if (_r > dr)
+			_r--;
+		else if (_r < dr)
+			_r++;
+
+		if (_g > dg)
+			_g--;
+		else if (_g < dg)
+			_g++;
+
+		if (_b > db)
+			_b--;
+		else if (_b < db)
+			_b++;
+
+		// Not 100% equivalent, but looks nice and not buggy
+
+		_colorMap[31] = _engine->_resourcePixelFormat.RGBToColor(_r << 3, _g << 3, _b << 3);
+
+		for (uint8 i = 0; i < 31; i++) {
+			float perc = (float)i / 31.0;
+			uint8 cr = (uint8)((float)_r * perc);
+			uint8 cg = (uint8)((float)_g * perc);
+			uint8 cb = (uint8)((float)_b * perc);
+			_colorMap[i] = _engine->_resourcePixelFormat.RGBToColor(cr << 3, cg << 3, cb << 3);
+		}
+	}
+
+	for (uint16 j = 0; j < _fog.h; j++) {
+		uint16 *pix = (uint16 *)_fog.getBasePtr(0, j);
+
+		for (uint16 i = 0; i < _fog.w; i++) {
+			if (_mp[j][i]) {
+				if ((pix[i] & 0x1F) == 0x1F) {
+					pix[i]--;
+					_mp[j][i] = false;
+				} else
+					pix[i]++;
+			} else {
+				if ((pix[i] & 0x1F) == 0) {
+					pix[i]++;
+					_mp[j][i] = true;
+				} else
+					pix[i]--;
+			}
+		}
+	}
+}
+
+} // End of namespace ZVision

engines/zvision/graphics/effects/fog.h

@@ -0,0 +1,52 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 ZVISION_FOG_H
+#define ZVISION_FOG_H
+
+#include "zvision/graphics/graphics_effect.h"
+
+namespace ZVision {
+
+class ZVision;
+
+// Used by Zork: Nemesis for the mixing chamber gas effect in the gas puzzle (location tt5e, when the blinds are down)
+class FogFx : public GraphicsEffect {
+public:
+
+	FogFx(ZVision *engine, uint32 key, Common::Rect region, bool ported, EffectMap *Map, const Common::Path &clouds);
+	~FogFx() override;
+
+	const Graphics::Surface *draw(const Graphics::Surface &srcSubRect) override;
+
+	void update() override;
+
+private:
+	EffectMap *_map;
+	Graphics::Surface _fog;
+	uint8 _r, _g, _b;
+	int32 _pos;
+	Common::Array< Common::Array< bool > > _mp;
+	uint16 _colorMap[32];
+};
+} // End of namespace ZVision
+
+#endif // ZVISION_FOG_H

engines/zvision/graphics/effects/light.cpp

@@ -0,0 +1,106 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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/>.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "zvision/zvision.h"
+#include "zvision/graphics/render_manager.h"
+#include "zvision/graphics/effects/light.h"
+
+namespace ZVision {
+
+LightFx::LightFx(ZVision *engine, uint32 key, Common::Rect region, bool ported, EffectMap *Map, int8 delta, int8 minD, int8 maxD):
+	GraphicsEffect(engine, key, region, ported) {
+	_map = Map;
+	_delta = delta;
+	_up = true;
+	_pos = 0;
+
+	_minD = minD;
+	if (_minD < -delta)
+		_minD = -delta;
+
+	_maxD = maxD;
+	if (_maxD > delta)
+		_maxD = delta;
+}
+
+LightFx::~LightFx() {
+	if (_map)
+		delete _map;
+}
+
+const Graphics::Surface *LightFx::draw(const Graphics::Surface &srcSubRect) {
+	_surface.copyFrom(srcSubRect);
+	EffectMap::iterator it = _map->begin();
+	uint32 cnt = 0;
+
+	uint32 dcolor = 0;
+
+	if (_pos < 0) {
+		uint8 cc = ((-_pos) & 0x1F) << 3;
+		dcolor = _engine->_resourcePixelFormat.RGBToColor(cc, cc, cc);
+	} else {
+		uint8 cc = (_pos & 0x1F) << 3;
+		dcolor = _engine->_resourcePixelFormat.RGBToColor(cc, cc, cc);
+	}
+
+	for (uint16 j = 0; j < _surface.h; j++) {
+		uint16 *lineBuf = (uint16 *)_surface.getBasePtr(0, j);
+
+		for (uint16 i = 0; i < _surface.w; i++) {
+			if (it->inEffect) {
+				if (_pos < 0) {
+					lineBuf[i] -= dcolor;
+				} else {
+					lineBuf[i] += dcolor;
+				}
+			}
+			cnt++;
+			if (cnt >= it->count) {
+				it++;
+				cnt = 0;
+			}
+			if (it == _map->end())
+				break;
+		}
+		if (it == _map->end())
+			break;
+	}
+
+	return &_surface;
+}
+
+void LightFx::update() {
+	if (_up)
+		_pos++;
+	else
+		_pos--;
+
+	if (_pos <= _minD) {
+		_up = !_up;
+		_pos = _minD;
+	} else if (_pos >= _maxD) {
+		_up = !_up;
+		_pos = _maxD;
+	}
+}
+
+} // End of namespace ZVision

engines/zvision/graphics/effects/light.h

@@ -0,0 +1,52 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 LIGHTFX_H_INCLUDED
+#define LIGHTFX_H_INCLUDED
+
+#include "zvision/graphics/graphics_effect.h"
+
+namespace ZVision {
+
+class ZVision;
+
+class LightFx : public GraphicsEffect {
+public:
+
+	LightFx(ZVision *engine, uint32 key, Common::Rect region, bool ported, EffectMap *Map, int8 delta, int8 minD = -127, int8 maxD = 127);
+	~LightFx() override;
+
+	const Graphics::Surface *draw(const Graphics::Surface &srcSubRect) override;
+
+	void update() override;
+
+private:
+	EffectMap *_map;
+	int32 _delta;
+	bool _up;
+	int32 _pos;
+
+	int8 _minD;
+	int8 _maxD;
+};
+} // End of namespace ZVision
+
+#endif // LIGHTFX_H_INCLUDED

engines/zvision/graphics/effects/wave.cpp

@@ -0,0 +1,142 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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/>.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "zvision/zvision.h"
+#include "zvision/graphics/render_manager.h"
+#include "zvision/graphics/effects/wave.h"
+
+namespace ZVision {
+
+WaveFx::WaveFx(ZVision *engine, uint32 key, Common::Rect region, bool ported, int16 frames, int16 centerX, int16 centerY, float ampl, float waveln, float spd):
+	GraphicsEffect(engine, key, region, ported) {
+
+	_frame = 0;
+	_frameCount = frames;
+
+	_ampls.resize(_frameCount);
+	_halfWidth = _region.width() / 2;
+	_halfHeight = _region.height() / 2;
+
+	int32 frmsize = _halfWidth * _halfHeight;
+
+	float phase = 0;
+
+	int16 quarterWidth = _halfWidth / 2;
+	int16 quarterHeight = _halfHeight / 2;
+
+	for (int16 i = 0; i < _frameCount; i++) {
+		_ampls[i].resize(frmsize);
+
+		for (int16 y = 0; y < _halfHeight; y++)
+			for (int16 x = 0; x < _halfWidth; x++) {
+				int16 dx = (x - quarterWidth);
+				int16 dy = (y - quarterHeight);
+
+				_ampls[i][x + y * _halfWidth] = (int8)(ampl * sin(sqrt(dx * dx / (float)centerX + dy * dy / (float)centerY) / (-waveln * 3.1415926) + phase));
+			}
+		phase += spd;
+	}
+}
+
+WaveFx::~WaveFx() {
+	for (uint16 i = 0; i < _ampls.size(); i++)
+		_ampls[i].clear();
+	_ampls.clear();
+}
+
+const Graphics::Surface *WaveFx::draw(const Graphics::Surface &srcSubRect) {
+	for (int16 y = 0; y < _halfHeight; y++) {
+		uint16 *abc  = (uint16 *)_surface.getBasePtr(0, y);
+		uint16 *abc2  = (uint16 *)_surface.getBasePtr(0, _halfHeight + y);
+		uint16 *abc3  = (uint16 *)_surface.getBasePtr(_halfWidth, y);
+		uint16 *abc4  = (uint16 *)_surface.getBasePtr(_halfWidth, _halfHeight + y);
+
+		for (int16 x = 0; x < _halfWidth; x++) {
+			int8 amnt = _ampls[_frame][x + _halfWidth * y];
+
+			int16 nX = x + amnt;
+			int16 nY = y + amnt;
+
+			if (nX < 0)
+				nX = 0;
+			if (nX >= _region.width())
+				nX = _region.width() - 1;
+			if (nY < 0)
+				nY = 0;
+			if (nY >= _region.height())
+				nY = _region.height() - 1;
+			*abc = *(const uint16 *)srcSubRect.getBasePtr(nX, nY);
+
+			nX = x + amnt + _halfWidth;
+			nY = y + amnt;
+
+			if (nX < 0)
+				nX = 0;
+			if (nX >= _region.width())
+				nX = _region.width() - 1;
+			if (nY < 0)
+				nY = 0;
+			if (nY >= _region.height())
+				nY = _region.height() - 1;
+			*abc3 = *(const uint16 *)srcSubRect.getBasePtr(nX, nY);
+
+			nX = x + amnt;
+			nY = y + amnt + _halfHeight;
+
+			if (nX < 0)
+				nX = 0;
+			if (nX >= _region.width())
+				nX = _region.width() - 1;
+			if (nY < 0)
+				nY = 0;
+			if (nY >= _region.height())
+				nY = _region.height() - 1;
+			*abc2 = *(const uint16 *)srcSubRect.getBasePtr(nX, nY);
+
+			nX = x + amnt + _halfWidth;
+			nY = y + amnt + _halfHeight;
+
+			if (nX < 0)
+				nX = 0;
+			if (nX >= _region.width())
+				nX = _region.width() - 1;
+			if (nY < 0)
+				nY = 0;
+			if (nY >= _region.height())
+				nY = _region.height() - 1;
+			*abc4 = *(const uint16 *)srcSubRect.getBasePtr(nX, nY);
+
+			abc++;
+			abc2++;
+			abc3++;
+			abc4++;
+		}
+	}
+
+	return &_surface;
+}
+
+void WaveFx::update() {
+	_frame = (_frame + 1) % _frameCount;
+}
+
+} // End of namespace ZVision

engines/zvision/graphics/effects/wave.h

@@ -0,0 +1,50 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 WAVEFX_H_INCLUDED
+#define WAVEFX_H_INCLUDED
+
+#include "common/array.h"
+#include "zvision/graphics/graphics_effect.h"
+
+namespace ZVision {
+
+class ZVision;
+
+class WaveFx : public GraphicsEffect {
+public:
+
+	WaveFx(ZVision *engine, uint32 key, Common::Rect region, bool ported, int16 frames, int16 centerX, int16 centerY, float ampl, float waveln, float spd);
+	~WaveFx() override;
+
+	const Graphics::Surface *draw(const Graphics::Surface &srcSubRect) override;
+
+	void update() override;
+
+private:
+	int16 _frame;
+	int16 _frameCount;
+	int16 _halfWidth, _halfHeight;
+	Common::Array< Common::Array< int8 > > _ampls;
+};
+} // End of namespace ZVision
+
+#endif // WAVEFX_H_INCLUDED