mirror of
https://github.com/blupi-games/planetblupi
synced 2024-12-30 10:15:36 +01:00
157 lines
4.4 KiB
C++
157 lines
4.4 KiB
C++
/*
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* This file is part of the planetblupi source code
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* Copyright (C) 1997, Daniel Roux & EPSITEC SA
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* Copyright (C) 2017, Mathieu Schroeter
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* http://epsitec.ch; http://www.blupi.org; http://github.com/blupi-games
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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.
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* See the 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://gnu.org/licenses
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*/
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#include "decor.h"
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// clang-format off
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// Cette table indique les quarts de cases contenant du
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// brouillard lorsque la valeur est à un.
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// 0 1
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// 2 3
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static char tableFog[15 * 4] =
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{
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1, 1, 1, 0, // 0
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1, 1, 0, 0, // 1
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1, 1, 0, 1, // 2
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1, 0, 1, 0, // 3
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1, 1, 1, 1, // 4
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0, 1, 0, 1, // 5
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1, 0, 1, 1, // 6
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0, 0, 1, 1, // 7
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0, 1, 1, 1, // 8
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0, 0, 0, 1, // 9
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0, 0, 1, 0, // 10
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1, 0, 0, 1, // 11
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0, 1, 0, 0, // 12
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1, 0, 0, 0, // 13
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0, 1, 1, 0, // 14
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};
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// clang-format on
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// Retourne les bits contenant du brouillard.
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bool
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GetFogBits (Sint32 icon, char * pBits)
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{
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pBits[0] = 0;
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pBits[1] = 0;
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pBits[2] = 0;
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pBits[3] = 0;
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if (icon < 0 || icon >= 15)
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return true;
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pBits[0] = tableFog[icon * 4 + 0];
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pBits[1] = tableFog[icon * 4 + 1];
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pBits[2] = tableFog[icon * 4 + 2];
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pBits[3] = tableFog[icon * 4 + 3];
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return true;
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}
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// Retourne l'icône correspondant aux bits de brouillard.
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Sint32
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GetFogIcon (char * pBits)
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{
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Sint32 i;
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for (i = 0; i < 15; i++)
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{
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if (
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tableFog[i * 4 + 0] == pBits[0] && tableFog[i * 4 + 1] == pBits[1] &&
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tableFog[i * 4 + 2] == pBits[2] && tableFog[i * 4 + 3] == pBits[3])
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return i;
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}
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return -1;
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}
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// Table donnant la "vision" d'un blupi dans le
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// brouillard.
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// clang-format off
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static Sint8 table_fog[17 * 17] =
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{
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 1, -1, 5, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 1, -1, -1, -1, 5, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 1, -1, -1, -1, -1, -1, 5, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 1, -1, -1, -1, -1, -1, -1, -1, 5, 4, 4, 4, 4, 4,
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4, 4, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, 4, 4, 4, 4,
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4, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, 4, 4, 4,
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4, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, 4, 4,
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4, 4, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 8, 4,
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4, 4, 4, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, 7, 4, 4,
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4, 4, 4, 4, 4, 3, -1, -1, -1, -1, -1, -1, -1, 7, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 3, -1, -1, -1, -1, -1, 7, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 3, -1, -1, -1, 7, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 3, -1, 7, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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};
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// clang-format on
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// Ecarte le brouillard autour d'un blupi.
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void
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CDecor::BlupiPushFog (Sint32 rank)
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{
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Sint32 x, y, i;
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Point cel;
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char cBits[4];
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char nBits[4];
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if (m_blupi[rank].perso != 0 && m_blupi[rank].perso != 8)
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return;
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for (y = 0; y < 17; y++)
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{
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for (x = 0; x < 17; x++)
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{
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if (x % 2 != y % 2)
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continue;
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if (table_fog[x + y * 17] == FOGHIDE)
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continue;
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cel.x = (x + ((m_blupi[rank].cel.x + 1) / 4) * 2 - 8) * 2;
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cel.y = (y + ((m_blupi[rank].cel.y + 1) / 4) * 2 - 8) * 2;
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// Ne pas utiliser IsValid pour permettre d'aller
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// jusqu'au bord !
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if (cel.x >= 0 && cel.x < MAXCELX && cel.y >= 0 && cel.y < MAXCELX)
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{
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if (m_decor[cel.x / 2][cel.y / 2].fog != -1)
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{
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GetFogBits (m_decor[cel.x / 2][cel.y / 2].fog, cBits);
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GetFogBits (table_fog[x + y * 17], nBits);
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for (i = 0; i < 4; i++)
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{
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nBits[i] &= cBits[i]; // "ou" visibilité
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}
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m_decor[cel.x / 2][cel.y / 2].fog = GetFogIcon (nBits);
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}
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}
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}
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}
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}
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