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Initial commit of Command & Conquer Renegade source code.
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LFeenanEA
313
Code/Combat/mapmgr.cpp
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313
Code/Combat/mapmgr.cpp
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/*
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** Command & Conquer Renegade(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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/***********************************************************************************************
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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 : Combat *
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* *
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* $Archive:: /Commando/Code/Combat/mapmgr.cpp $*
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* *
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* Author:: Patrick Smith *
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* *
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* $Modtime:: 1/31/02 1:48p $*
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* *
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* $Revision:: 11 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "mapmgr.h"
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#include "texture.h"
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#include "assetmgr.h"
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#include "saveload.h"
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//#define FORCE_DISABLE_VTOL // remove this to allow VTOL's on maps that allow VTOLs
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///////////////////////////////////////////////////////////////////////
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// Global singleton instance
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///////////////////////////////////////////////////////////////////////
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MapMgrClass _TheMapMgrSaveLoadSubsystem;
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////////////////////////////////////////////////////////////////
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// Local constants
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////////////////////////////////////////////////////////////////
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enum
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{
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CHUNKID_VARIABLES = 0x07020522,
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CHUNKID_SHROUD
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};
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enum
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{
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VARID_TEXTURE_NAME = 0x01,
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VARID_CENTER_POINT,
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VARID_SCALE,
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VARID_MAP_TITLE_ID,
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VARID_IS_PLAYER_MARKDER_VISIBLE,
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VARID_ENABLE_VTOL
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};
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////////////////////////////////////////////////////////////////
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// Static member intialization
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////////////////////////////////////////////////////////////////
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bool MapMgrClass::IsPlayerMarkerVisible = true;
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int MapMgrClass::MapTitleID = 0;
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StringClass MapMgrClass::MapTextureName;
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Vector2 MapMgrClass::MapCenterPoint (0, 0);
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Vector2 MapMgrClass::MapScale (0, 0);
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Vector2 MapMgrClass::MapSize (0, 0);
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uint32 MapMgrClass::CloudVector[CLOUD_VECTOR_SIZE] = { 0 };
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bool MapMgrClass::EnableVTOL = false;
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////////////////////////////////////////////////////////////////
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//
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// Get_Map_Texture_Filename
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//
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////////////////////////////////////////////////////////////////
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void
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MapMgrClass::Get_Map_Texture_Filename (StringClass &filename)
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{
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//
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// Strip off the path if necessary
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//
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filename = MapTextureName;
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char *dir_delimiter = ::strrchr (MapTextureName, '\\');
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if (dir_delimiter != NULL) {
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filename = (dir_delimiter + 1);
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}
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return ;
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}
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////////////////////////////////////////////////////////////////
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//
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// Set_Map_Texture
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//
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////////////////////////////////////////////////////////////////
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void
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MapMgrClass::Set_Map_Texture (const char *filename)
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{
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//
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// Strip off the path if necessary
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//
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StringClass filename_only = filename;
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char *dir_delimiter = ::strrchr (filename, '\\');
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if (dir_delimiter != NULL) {
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filename_only = (dir_delimiter + 1);
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}
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//
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// Load the texture
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//
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TextureClass *texture = WW3DAssetManager::Get_Instance ()->Get_Texture (filename_only, TextureClass::MIP_LEVELS_1);
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if (texture != NULL) {
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//
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// Get the dimensions of the texture
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//
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// SurfaceClass::SurfaceDescription surface_desc;
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// texture->Get_Level_Description (surface_desc);
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// MapSize.X = surface_desc.Width;
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// MapSize.Y = surface_desc.Height;
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MapSize.X = texture->Get_Width();
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MapSize.Y = texture->Get_Height();
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//
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// Release our hold on the texture
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//
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REF_PTR_RELEASE (texture);
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}
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//
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// Cache the texture name
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//
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MapTextureName = filename;
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return ;
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}
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////////////////////////////////////////////////////////////////
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//
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// Save
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//
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////////////////////////////////////////////////////////////////
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bool
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MapMgrClass::Save (ChunkSaveClass &csave)
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{
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//
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// Write the variables
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//
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csave.Begin_Chunk (CHUNKID_VARIABLES);
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WRITE_MICRO_CHUNK_WWSTRING (csave, VARID_TEXTURE_NAME, MapTextureName);
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WRITE_MICRO_CHUNK (csave, VARID_CENTER_POINT, MapCenterPoint);
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WRITE_MICRO_CHUNK (csave, VARID_SCALE, MapScale);
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WRITE_MICRO_CHUNK (csave, VARID_MAP_TITLE_ID, MapTitleID);
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WRITE_MICRO_CHUNK (csave, VARID_IS_PLAYER_MARKDER_VISIBLE, IsPlayerMarkerVisible);
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WRITE_MICRO_CHUNK (csave, VARID_ENABLE_VTOL, EnableVTOL);
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csave.End_Chunk ();
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//
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// Write the current shroud
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//
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csave.Begin_Chunk (CHUNKID_SHROUD);
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int size = CLOUD_VECTOR_SIZE;
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csave.Write (&size, sizeof (size));
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csave.Write (CloudVector, sizeof (CloudVector));
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csave.End_Chunk ();
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return true;
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}
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////////////////////////////////////////////////////////////////
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//
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// Load
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//
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////////////////////////////////////////////////////////////////
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bool
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MapMgrClass::Load (ChunkLoadClass &cload)
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{
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while (cload.Open_Chunk ()) {
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switch (cload.Cur_Chunk_ID ()) {
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//
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// Load all the variables from this chunk
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//
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case CHUNKID_VARIABLES:
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Load_Variables (cload);
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break;
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case CHUNKID_SHROUD:
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{
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//
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// Read the shroud vector from its chunk
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//
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int size = 0;
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cload.Read (&size, sizeof (size));
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if (size == CLOUD_VECTOR_SIZE) {
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cload.Read (CloudVector, sizeof (CloudVector));
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}
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break;
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}
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}
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cload.Close_Chunk ();
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}
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return true;
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}
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////////////////////////////////////////////////////////////////
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//
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// Load_Variables
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//
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////////////////////////////////////////////////////////////////
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void
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MapMgrClass::Load_Variables (ChunkLoadClass &cload)
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{
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while (cload.Open_Micro_Chunk ()) {
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switch (cload.Cur_Micro_Chunk_ID ()) {
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READ_MICRO_CHUNK_WWSTRING (cload, VARID_TEXTURE_NAME, MapTextureName);
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READ_MICRO_CHUNK (cload, VARID_CENTER_POINT, MapCenterPoint);
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READ_MICRO_CHUNK (cload, VARID_SCALE, MapScale);
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READ_MICRO_CHUNK (cload, VARID_MAP_TITLE_ID, MapTitleID);
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READ_MICRO_CHUNK (cload, VARID_IS_PLAYER_MARKDER_VISIBLE, IsPlayerMarkerVisible);
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READ_MICRO_CHUNK (cload, VARID_ENABLE_VTOL, EnableVTOL);
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}
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cload.Close_Micro_Chunk ();
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}
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//
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// (gth) VTOL DISABLE! We are not going to let Modders make VTOL aircraft
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// until we release some levels with them. FORCE the EnableVTOL flag to
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// false for now. When we release some maps with orcas, then we patch
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// the game with this line of code removed and the mod people can make them
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// too.
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//
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#ifdef FORCE_DISABLE_VTOL
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EnableVTOL = false;
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#endif
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SaveLoadSystemClass::Register_Post_Load_Callback (this);
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return ;
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}
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///////////////////////////////////////////////////////////////////////
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//
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// On_Post_Load
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//
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///////////////////////////////////////////////////////////////////////
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void
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MapMgrClass::On_Post_Load (void)
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{
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Set_Map_Texture (MapTextureName);
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return ;
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}
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///////////////////////////////////////////////////////////////////////
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//
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// Clear_Cloud_Cells
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//
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///////////////////////////////////////////////////////////////////////
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void
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MapMgrClass::Clear_Cloud_Cells (const Vector3 &pos, int pixel_radius)
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{
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if (MapSize.X <= 0 || MapSize.Y <= 0) {
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return ;
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}
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//
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// Calculate where (in map pixels) this position lies
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//
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float map_x_pos = MapCenterPoint.X + (pos.X * MapScale.X);
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float map_y_pos = MapCenterPoint.Y - (pos.Y * MapScale.Y);
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//
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// Determine what the min and max cells this region includes
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//
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int min_cell_x = int(((map_x_pos - pixel_radius) / MapSize.X) * CLOUD_WIDTH);
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int min_cell_y = int(((map_y_pos - pixel_radius) / MapSize.Y) * CLOUD_HEIGHT);
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int max_cell_x = int(((map_x_pos + pixel_radius) / MapSize.X) * CLOUD_WIDTH);
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int max_cell_y = int(((map_y_pos + pixel_radius) / MapSize.Y) * CLOUD_HEIGHT);
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//
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// Clear all the cells in this region
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//
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for (int cell_x = min_cell_x; cell_x <= max_cell_x; cell_x ++) {
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for (int cell_y = min_cell_y; cell_y <= max_cell_y; cell_y ++) {
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Clear_Cloud_Cell (cell_x, cell_y);
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}
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}
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return ;
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}
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