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https://github.com/scummvm/scummvm.git
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97 lines
2.9 KiB
C++
97 lines
2.9 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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* 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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#ifndef IMMORTAL_UTIL_H
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#define IMMORTAL_UTIL_H
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#include "common/system.h"
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namespace Immortal {
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// The source uses nK many times throughout, which seems to be a compiler macro for n * 1024, ie. Kb
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enum Kilobyte {
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k1K = 0x400, // 1024
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k2K = 0x800, // 2048
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k3K = 0xC00, // 3072
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k4K = 0x1000, // 4096
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k6K = 0x1800, // 6144
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k8K = 0x2000, // 8192
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k10K = 0x2800, // 10240
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k16K = 0x4000 // 16384
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};
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enum BitMask16 : uint16 {
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kMaskLow = 0x00FF,
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kMaskHigh = 0xFF00,
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kMaskLast = 0xF000,
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kMaskFirst = 0x000F,
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kMaskHLow = 0x0F00,
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kMaskLHigh = 0x00F0,
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kMaskNeg = 0x8000,
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};
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enum BitMask8 : uint8 {
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kMaskASCII = 0x7F, // The non-extended ASCII table uses 7 bits, this makes a couple of things easier
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kMask8High = 0xF0,
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kMask8Low = 0x0F
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};
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enum ColourBitMask : uint16 {
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kMaskRed = 0x0F00,
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kMaskGreen = 0x00F0,
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kMaskBlue = 0x000F
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};
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enum ChrMask : uint16 {
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kChr0 = 0x0000,
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kChrL = 0x0001,
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kChrR = 0xFFFF,
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kChrLD = 0x0002,
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kChrRD = 0xFFFE
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};
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enum Screen { // These are constants that are used for defining screen related arrays
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kResH = 320,
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kResV = 200,
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kMaxSprites = 32, // Number of sprites allowed at once
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kViewPortCW = 256 / 64,
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kViewPortCH = 128 / kMaxSprites,
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kMaxDrawItems = kViewPortCH + 1 + kMaxSprites,
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kMaxSpriteAbove = 48, // Maximum sprite extents from center
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kMaxSpriteBelow = 16,
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kMaxSpriteLeft = 16,
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kMaxSpriteRight = 16
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};
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namespace Utilities {
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// Other
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void delay(int j); // Delay engine by j jiffies (from driver originally, but makes more sense grouped with misc)
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void delay4(int j); // || /4
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void delay8(int j); // || /8
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bool inside(uint8 dist, uint8 centX, uint8 centY, uint8 pointX, uint8 pointY);
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bool insideRect(uint8 rectX, uint8 rectY, uint8 w, uint8 h, uint8 pointX, uint8 pointY);
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} // namespace Utilities
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} // namespace Immortal
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#endif
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