501 lines
27 KiB
C++
501 lines
27 KiB
C++
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/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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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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/* $Header: /CounterStrike/IOMAP.CPP 1 3/03/97 10:24a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : IOMAP.CPP *
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* *
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* Programmer : Bill Randolph *
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* *
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* Start Date : January 16, 1995 *
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* *
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* Last Update : March 12, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* All map-related loading/saving routines should go in this module, so it can be overlayed. *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* CellClass::Code_Pointers -- codes class's pointers for load/save *
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* CellClass::Decode_Pointers -- decodes pointers for load/save *
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* CellClass::Load -- Reads from a save game file. *
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* CellClass::Save -- Write to a save game file. *
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* CellClass::Should_Save -- Should the cell be written to disk? *
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* DisplayClass::Code_Pointers -- codes class's pointers for load/save *
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* DisplayClass::Decode_Pointers -- decodes pointers for load/save *
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* MapClass::Code_Pointers -- codes class's pointers for load/save *
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* MapClass::Decode_Pointers -- decodes pointers for load/save *
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* MouseClass::Load -- Loads from a save game file. *
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* MouseClass::Save -- Saves to a save game file. *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "function.h"
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/***********************************************************************************************
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* CellClass::Should_Save -- Should the cell be written to disk? *
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* *
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* This function will determine if the cell needs to be written to disk. Any cell that *
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* contains special data should be written to disk. *
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* *
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* INPUT: none *
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* *
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* OUTPUT: bool; Should this cell's data be written to disk? *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 09/19/1994 JLB : Created. *
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*=============================================================================================*/
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bool CellClass::Should_Save(void) const
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{
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static CellClass const _identity_cell;
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return(memcmp(&_identity_cell, this, sizeof(*this)) != 0);
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}
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/***********************************************************************************************
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* CellClass::Load -- Loads from a save game file. *
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* *
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* INPUT: file -- The file to read the cell's data from. *
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* *
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* OUTPUT: true = success, false = failure *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 09/19/1994 JLB : Created. *
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*=============================================================================================*/
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bool CellClass::Load(Straw & file)
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{
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file.Get(this, sizeof(*this));
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return(true);
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}
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/***********************************************************************************************
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* CellClass::Save -- Write to a save game file. *
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* *
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* INPUT: file -- The file to write the cell's data to. *
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* *
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* OUTPUT: true = success, false = failure *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 09/19/1994 JLB : Created. *
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*=============================================================================================*/
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bool CellClass::Save(Pipe & file) const
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{
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file.Put(this, sizeof(*this));
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return(true);
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}
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/***********************************************************************************************
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* CellClass::Code_Pointers -- codes class's pointers for load/save *
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* *
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* This routine "codes" the pointers in the class by converting them to a number *
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* that still represents the object pointed to, but isn't actually a pointer. This *
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* allows a saved game to properly load without relying on the games data still *
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* being in the exact same location. *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/02/1995 BR : Created. *
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*=============================================================================================*/
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void CellClass::Code_Pointers(void)
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{
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if (Cell_Occupier() != NULL) {
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OccupierPtr = (ObjectClass *)OccupierPtr->As_Target();
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}
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for (int index = 0; index < ARRAY_SIZE(Overlapper); index++) {
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if (Overlapper[index] != NULL && Overlapper[index]->IsActive) {
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Overlapper[index] = (ObjectClass *)Overlapper[index]->As_Target();
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} else {
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Overlapper[index] = NULL;
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}
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}
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}
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/***********************************************************************************************
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* CellClass::Decode_Pointers -- decodes pointers for load/save *
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* *
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* This routine "decodes" the pointers coded in Code_Pointers by converting the *
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* code values back into object pointers. *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/02/1995 BR : Created. *
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* 03/12/1996 JLB : Simplified. *
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*=============================================================================================*/
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void CellClass::Decode_Pointers(void)
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{
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if (OccupierPtr != NULL) {
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OccupierPtr = As_Object((TARGET)OccupierPtr);
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assert(OccupierPtr != NULL);
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}
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for (int index = 0; index < ARRAY_SIZE(Overlapper); index++) {
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if (Overlapper[index] != NULL) {
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Overlapper[index] = As_Object((TARGET)Overlapper[index]);
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assert(Overlapper[index] != NULL);
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}
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}
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}
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/***********************************************************************************************
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* MouseClass::Load -- Loads from a save game file. *
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* *
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* Loading the map is very complicated. Here are the steps: *
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* - Read the Theater for this save-game *
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* - call Init_Theater to perform theater-specific inits *
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* - call Free_Cells to free the cell array, because loading the map object will overwrite *
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* the pointer to the cell array *
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* - read the map object from disk *
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* - call Alloc_Cells to re-allocate the cell array *
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* - call Init_Cells to set the cells to a known state, because not every cell will be loaded *
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* - read the cell objects into the cell array *
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* - After the map & all objects have been loaded & the pointers decoded, Init_IO() >MUST< be *
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* called to restore the map's button list to the proper state. *
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* *
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* INPUT: file -- The file to read the cell's data from. *
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* *
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* OUTPUT: true = success, false = failure *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 09/19/1994 JLB : Created. *
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* 03/12/1996 JLB : Simplified. *
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*=============================================================================================*/
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bool MouseClass::Load(Straw & file)
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{
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/*
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** Load Theater: Even though this value is located in the DisplayClass,
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** it must be loaded first so initialization can be done before any other
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** map data is loaded. If initialization isn't done first, data read from
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** disk will be over-written when initialization occurs. This code must
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** go in the most-derived Map class.
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*/
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TheaterType theater;
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if (file.Get(&theater, sizeof(theater)) != sizeof(theater)) {
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return(false);
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}
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#ifdef WIN32
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LastTheater = THEATER_NONE;
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#endif
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/*
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** Remove any old theater specific uncompressed shapes
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*/
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#ifdef WIN32
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// if (theater != LastTheater) {
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Reset_Theater_Shapes();
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// }
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#endif //WIN32
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/*
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** Init display mixfiles
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*/
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Init_Theater(theater);
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TerrainTypeClass::Init(Scen.Theater);
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TemplateTypeClass::Init(Scen.Theater);
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OverlayTypeClass::Init(Scen.Theater);
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UnitTypeClass::Init(Scen.Theater);
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InfantryTypeClass::Init(Scen.Theater);
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BuildingTypeClass::Init(Scen.Theater);
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BulletTypeClass::Init(Scen.Theater);
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AnimTypeClass::Init(Scen.Theater);
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AircraftTypeClass::Init(Scen.Theater);
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VesselTypeClass::Init(Scen.Theater);
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SmudgeTypeClass::Init(Scen.Theater);
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//LastTheater = Scen.Theater;
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/*
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** Free the cell array, because we're about to overwrite its pointers
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*/
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Free_Cells();
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/*
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** Read the entire map object in. Only read in sizeof(MouseClass), so if we're
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** in editor mode, none of the map editor object is read in.
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*/
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file.Get(this, sizeof(*this));
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#ifdef SCENARIO_EDITOR
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new(this) MapEditClass(NoInitClass());
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#else
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new(this) MouseClass(NoInitClass());
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#endif
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/*
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** Reallocate the cell array
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*/
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Alloc_Cells();
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/*
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** Init all cells to empty
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*/
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Init_Cells();
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/*
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** Read # cells saved
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*/
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int count;
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if (file.Get(&count, sizeof(count)) != sizeof(count)) {
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return(false);
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}
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/*
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** Read cells
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*/
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for (int index = 0; index < count; index++) {
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CELL cell = 0;
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if (file.Get(&cell, sizeof(cell)) != sizeof(cell)) {
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return(false);
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}
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if (!(*this)[cell].Load(file)) {
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return(false);
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}
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}
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LastTheater = Scen.Theater;
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return(true);
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}
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/***********************************************************************************************
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* MouseClass::Save -- Save to a save game file. *
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* *
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* INPUT: file -- The file to write the cell's data to. *
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* *
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* OUTPUT: true = success, false = failure *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 09/19/1994 JLB : Created. *
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* 02/26/1996 JLB : Cleaned up. *
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*=============================================================================================*/
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bool MouseClass::Save(Pipe & file) const
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{
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/*
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** Save Theater >first<
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*/
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TheaterType theater = Scen.Theater;
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file.Put(&theater, sizeof(theater));
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file.Put(this, sizeof(*this));
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/*
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** Count how many cells will be saved.
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*/
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int count = 0;
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CellClass const * cellptr = &(*this)[(CELL)0];
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for (CELL cell = 0; cell < MAP_CELL_TOTAL; cell++) {
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if (cellptr->Should_Save()) {
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count++;
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}
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cellptr++;
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}
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/*
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** write out count of the cells.
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*/
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file.Put(&count, sizeof(count));
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/*
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** Save cells that need it
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*/
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cellptr = &(*this)[(CELL)0];
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for (cell = 0; cell < MAP_CELL_TOTAL; cell++) {
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if (cellptr->Should_Save()) {
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file.Put(&cell, sizeof(cell));
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cellptr->Save(file);
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count--;
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}
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cellptr++;
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}
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if (count != 0) return(false);
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return(true);
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}
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/***********************************************************************************************
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* DisplayClass::Code_Pointers -- codes class's pointers for load/save *
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* *
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* This routine "codes" the pointers in the class by converting them to a number *
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* that still represents the object pointed to, but isn't actually a pointer. This *
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* allows a saved game to properly load without relying on the games data still *
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* being in the exact same location. *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 01/02/1995 BR : Created. *
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*=============================================================================================*/
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void DisplayClass::Code_Pointers(void)
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{
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/*
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|
** Code PendingObjectPtr.
|
||
|
|
*/
|
||
|
|
if (PendingObjectPtr) {
|
||
|
|
PendingObjectPtr = (ObjectClass *)PendingObjectPtr->As_Target();
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Chain to parent.
|
||
|
|
*/
|
||
|
|
MapClass::Code_Pointers();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* DisplayClass::Decode_Pointers -- decodes pointers for load/save *
|
||
|
|
* *
|
||
|
|
* This routine "decodes" the pointers coded in Code_Pointers by converting the *
|
||
|
|
* code values back into object pointers. *
|
||
|
|
* *
|
||
|
|
* INPUT: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* OUTPUT: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* WARNINGS: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 01/02/1995 BR : Created. *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void DisplayClass::Decode_Pointers(void)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
** Decode PendingObjectPtr. We can't decode PendingObject here, because we'd
|
||
|
|
** have to reference PendingObjectPtr->Class_Of(), and the object that
|
||
|
|
** PendingObjectPtr is pointing to hasn't been decoded yet. Since we can't
|
||
|
|
** decode PendingObjectPtr, we can't set the placement cursor shape here
|
||
|
|
** either. These have to be done as last-minute fixups.
|
||
|
|
*/
|
||
|
|
if (PendingObjectPtr) {
|
||
|
|
PendingObjectPtr = As_Object((TARGET)PendingObjectPtr);
|
||
|
|
assert(PendingObjectPtr != NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Chain to parent.
|
||
|
|
*/
|
||
|
|
MapClass::Decode_Pointers();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* MapClass::Code_Pointers -- codes class's pointers for load/save *
|
||
|
|
* *
|
||
|
|
* This routine "codes" the pointers in the class by converting them to a number *
|
||
|
|
* that still represents the object pointed to, but isn't actually a pointer. This *
|
||
|
|
* allows a saved game to properly load without relying on the games data still *
|
||
|
|
* being in the exact same location. *
|
||
|
|
* *
|
||
|
|
* INPUT: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* OUTPUT: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* WARNINGS: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 01/02/1995 BR : Created. *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void MapClass::Code_Pointers(void)
|
||
|
|
{
|
||
|
|
CellClass * cellptr = &(*this)[(CELL)0];
|
||
|
|
for (CELL cell = 0; cell < MAP_CELL_TOTAL; cell++) {
|
||
|
|
cellptr->Code_Pointers();
|
||
|
|
cellptr++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/***********************************************************************************************
|
||
|
|
* MapClass::Decode_Pointers -- decodes pointers for load/save *
|
||
|
|
* *
|
||
|
|
* This routine "decodes" the pointers coded in Code_Pointers by converting the *
|
||
|
|
* code values back into object pointers. *
|
||
|
|
* *
|
||
|
|
* INPUT: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* OUTPUT: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* WARNINGS: *
|
||
|
|
* none. *
|
||
|
|
* *
|
||
|
|
* HISTORY: *
|
||
|
|
* 01/02/1995 BR : Created. *
|
||
|
|
*=============================================================================================*/
|
||
|
|
void MapClass::Decode_Pointers(void)
|
||
|
|
{
|
||
|
|
CellClass * cellptr = &(*this)[(CELL)0];
|
||
|
|
for (CELL cell = 0; cell < MAP_CELL_TOTAL; cell++) {
|
||
|
|
cellptr->Decode_Pointers();
|
||
|
|
cellptr++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|