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engines/bladerunner/slice_renderer.h

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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/>.
+ *
+ */
+
+#ifndef BLADERUNNER_SLICE_RENDERER_H
+#define BLADERUNNER_SLICE_RENDERER_H
+
+#include "bladerunner/color.h"
+#include "bladerunner/vector.h"
+#include "bladerunner/view.h"
+#include "bladerunner/matrix.h"
+
+#include "common/rect.h"
+
+#include "graphics/surface.h"
+
+namespace Common {
+class MemoryReadStream;
+}
+
+namespace BladeRunner {
+
+class ScreenEffects;
+class BladeRunnerEngine;
+class Lights;
+class SetEffects;
+
+class SliceRenderer {
+	BladeRunnerEngine *_vm;
+
+	int       _animation;
+	int       _frame;
+	Vector3   _position;
+	float     _facing;
+	float     _scale;
+
+	ScreenEffects *_screenEffects;
+	View          *_view;
+	Lights        *_lights;
+	SetEffects    *_setEffects;
+
+	void *_sliceFramePtr;
+
+	// Animation frame data
+	Vector2 _frameScale;
+	float   _frameBottomZ;
+	Vector2 _framePos;
+	float   _frameSliceHeight;
+	uint32  _framePaletteIndex;
+	uint32  _frameSliceCount;
+
+	Matrix3x2    _mvpMatrix;
+	Vector3      _startScreenVector;
+	Vector3      _endScreenVector;
+	float        _startSlice;
+	float        _endSlice;
+	Common::Rect _screenRectangle;
+
+	int _m11lookup[256];
+	int _m12lookup[256];
+	int _m13;
+	int _m21lookup[256];
+	int _m22lookup[256];
+	int _m23;
+
+	bool _animationsShadowEnabled[997];
+
+	Vector3 _shadowPolygonDefault[12];
+	Vector3 _shadowPolygonCurrent[12];
+
+	Color _setEffectColor;
+	Color _lightsColor;
+
+	Graphics::PixelFormat _pixelFormat;
+
+public:
+	SliceRenderer(BladeRunnerEngine *vm);
+	~SliceRenderer();
+
+	void setScreenEffects(ScreenEffects *aesc);
+	void setView(View *view);
+	void setLights(Lights *lights);
+	void setSetEffects(SetEffects *setEffects);
+
+	void setupFrameInWorld(int animationId, int animationFrame, Vector3 position, float facing, float scale = 1.0f);
+	void getScreenRectangle(Common::Rect *screenRectangle, int animationId, int animationFrame, Vector3 position, float facing, float scale);
+	void drawInWorld(int animationId, int animationFrame, Vector3 position, float facing, float scale, Graphics::Surface &surface, uint16 *zbuffer);
+	void drawOnScreen(int animationId, int animationFrame, int screenX, int screenY, float facing, float scale, Graphics::Surface &surface);
+
+	void preload(int animationId);
+
+	void disableShadows(int *animationsIdsList, int listSize);
+
+private:
+	void calculateBoundingRect();
+	Matrix3x2 calculateFacingRotationMatrix();
+	void loadFrame(int animation, int frame);
+
+	void drawSlice(int slice, bool advanced, int y, Graphics::Surface &surface, uint16 *zbufferLine);
+	void drawShadowInWorld(int transparency, Graphics::Surface &surface, uint16 *zbuffer);
+	void drawShadowPolygon(int transparency, Graphics::Surface &surface, uint16 *zbuffer);
+};
+
+class SliceRendererLights {
+	Lights *_lights;
+	Color   _cacheColor[20];
+	float   _cacheCounter[20];
+	float   _cacheStart[20];
+	int     _cacheRecalculation;
+
+public:
+	Color   _finalColor;
+
+public:
+	SliceRendererLights(Lights *lights);
+
+	void calculateColorBase(Vector3 position1, Vector3 position2, float height);
+	void calculateColorSlice(Vector3 position);
+};
+
+} // End of namespace BladeRunner
+
+#endif