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https://github.com/libretro/scummvm.git
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80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1999-2000 Revolution Software Ltd.
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* This code is based on source code created by Revolution Software,
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* used with permission.
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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 General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/icb/debug.h"
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#include "engines/icb/mission.h"
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#include "engines/icb/global_objects.h"
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namespace ICB {
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#define DEFAULT_WIDESCREEN_SPEED_ON 6
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#define DEFAULT_WIDESCREEN_MODE_ON 0
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#define DEFAULT_WIDESCREEN_SPEED_OFF 6
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#define DEFAULT_WIDESCREEN_MODE_OFF 0
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mcodeFunctionReturnCodes fx_widescreen(int32 &, int32 *params) {
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// fx_narrow_screen(mode,0,0,0,target,6
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// where mode is 0 for on and 2 for off
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// where target is 27% for on and 0% for off
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int32 p[6] = {DEFAULT_WIDESCREEN_MODE_OFF, 0, 0, 0, 0, DEFAULT_WIDESCREEN_SPEED_OFF};
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// if on alter arguments 0 (mode) and 4 (percent)
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if (params[0]) {
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p[0] = DEFAULT_WIDESCREEN_MODE_ON; // scroll on
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p[4] = 27; // 27% is 32 pixels off top and bottom
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p[5] = DEFAULT_WIDESCREEN_SPEED_ON; // speed
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}
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int32 ret;
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return MS->fx_narrow_screen(ret, p);
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}
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mcodeFunctionReturnCodes _simple_fx(int32 mode, int32 toFrom, int32 fr, int32 fg, int32 fb, int32 r, int32 g, int32 b, int32 cycles) {
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// fx_generic_fade(mode,onOff,0,0,0,r,g,b,cycles
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// note from colour is always <0,0,0>
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int32 p[9] = {mode, toFrom, fr, fg, fb, r, g, b, cycles};
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int32 ret;
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return MS->fx_generic_fade(ret, p);
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}
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// take <r,g,b> and cycles
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mcodeFunctionReturnCodes fx_brighten_to(int32 &, int32 *p) { return _simple_fx(0, 1, 0, 0, 0, p[0], p[1], p[2], p[3]); }
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mcodeFunctionReturnCodes fx_brighten_from(int32 &, int32 *p) { return _simple_fx(0, 0, 0, 0, 0, p[0], p[1], p[2], p[3]); }
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mcodeFunctionReturnCodes fx_darken_to(int32 &, int32 *p) { return _simple_fx(1, 1, 0, 0, 0, p[0], p[1], p[2], p[3]); }
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mcodeFunctionReturnCodes fx_darken_from(int32 &, int32 *p) { return _simple_fx(1, 0, 0, 0, 0, p[0], p[1], p[2], p[3]); }
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mcodeFunctionReturnCodes fx_fade_to(int32 &, int32 *p) { return _simple_fx(2, 1, 0, 0, 0, p[0], p[1], p[2], p[3]); }
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mcodeFunctionReturnCodes fx_fade_from(int32 &, int32 *p) { return _simple_fx(2, 0, 0, 0, 0, p[0], p[1], p[2], p[3]); }
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// blend function takes <r,g,b> -> <r,g,b> and cycles
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mcodeFunctionReturnCodes fx_blend(int32 &, int32 *p) { return _simple_fx(3, 1, p[0], p[1], p[2], p[3], p[4], p[5], p[6]); }
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} // End of namespace ICB
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