290 lines
7.4 KiB
C++
290 lines
7.4 KiB
C++
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/*
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** voxels.cpp
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**
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**---------------------------------------------------------------------------
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** Copyright 2010-2011 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <algorithm>
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#include <ctype.h>
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#include "m_swap.h"
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#include "m_argv.h"
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#include "filesystem.h"
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#include "v_video.h"
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#include "sc_man.h"
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#include "voxels.h"
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#include "info.h"
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#include "s_sound.h"
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#include "sbar.h"
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#include "g_level.h"
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#include "r_data/sprites.h"
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using namespace FileSys;
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struct VoxelOptions
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{
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int DroppedSpin = 0;
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int PlacedSpin = 0;
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double Scale = 1;
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DAngle AngleOffset = DAngle90;
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bool OverridePalette = false;
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bool PitchFromMomentum = false;
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bool UseActorPitch = false;
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bool UseActorRoll = false;
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};
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void VOX_AddVoxel(int sprnum, int frame, FVoxelDef* def);
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//==========================================================================
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//
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// VOX_ReadSpriteNames
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//
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// Reads a list of sprite names from a VOXELDEF lump.
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//
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//==========================================================================
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static bool VOX_ReadSpriteNames(FScanner &sc, TArray<uint32_t> &vsprites)
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{
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vsprites.Clear();
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while (sc.GetString())
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{
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// A sprite name list is terminated by an '=' character.
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if (sc.String[0] == '=')
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{
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if (vsprites.Size() == 0)
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{
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sc.ScriptMessage("No sprites specified for voxel.\n");
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}
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return true;
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}
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if (sc.StringLen != 4 && sc.StringLen != 5)
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{
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sc.ScriptMessage("Sprite name \"%s\" is wrong size.\n", sc.String);
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}
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else if (sc.StringLen == 5 && (sc.String[4] = toupper(sc.String[4]), sc.String[4] < 'A' || sc.String[4] >= 'A' + MAX_SPRITE_FRAMES))
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{
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sc.ScriptMessage("Sprite frame %c is invalid.\n", sc.String[4]);
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}
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else
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{
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int frame = (sc.StringLen == 4) ? 255 : sc.String[4] - 'A';
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int i = GetSpriteIndex(sc.String, false);
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if (i != -1)
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{
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vsprites.Push((frame << 24) | i);
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}
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}
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}
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if (vsprites.Size() != 0)
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{
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sc.ScriptMessage("Unexpected end of file\n");
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}
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return false;
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}
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//==========================================================================
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//
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// VOX_ReadOptions
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//
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// Reads a list of options from a VOXELDEF lump, terminated with a '}'
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// character. The leading '{' must already be consumed
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//
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//==========================================================================
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static void VOX_ReadOptions(FScanner &sc, VoxelOptions &opts)
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{
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while (sc.GetToken())
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{
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if (sc.TokenType == '}')
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{
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return;
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}
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sc.TokenMustBe(TK_Identifier);
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if (sc.Compare("scale"))
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{
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sc.MustGetToken('=');
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sc.MustGetToken(TK_FloatConst);
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opts.Scale = sc.Float;
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}
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else if (sc.Compare("spin"))
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{
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int mul = 1;
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sc.MustGetToken('=');
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if (sc.CheckToken('-')) mul = -1;
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sc.MustGetToken(TK_IntConst);
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opts.DroppedSpin = opts.PlacedSpin = sc.Number*mul;
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}
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else if (sc.Compare("placedspin"))
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{
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int mul = 1;
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sc.MustGetToken('=');
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if (sc.CheckToken('-')) mul = -1;
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sc.MustGetToken(TK_IntConst);
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opts.PlacedSpin = sc.Number*mul;
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}
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else if (sc.Compare("droppedspin"))
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{
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int mul = 1;
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sc.MustGetToken('=');
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if (sc.CheckToken('-')) mul = -1;
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sc.MustGetToken(TK_IntConst);
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opts.DroppedSpin = sc.Number*mul;
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}
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else if (sc.Compare("angleoffset"))
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{
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int mul = 1;
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sc.MustGetToken('=');
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if (sc.CheckToken('-')) mul = -1;
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sc.MustGetAnyToken();
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if (sc.TokenType == TK_IntConst)
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{
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sc.Float = sc.Number;
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}
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else
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{
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sc.TokenMustBe(TK_FloatConst);
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}
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opts.AngleOffset = DAngle::fromDeg(mul * sc.Float + 90.);
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}
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else if (sc.Compare("overridepalette"))
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{
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opts.OverridePalette = true;
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}
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else if (sc.Compare("pitchfrommomentum"))
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{
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opts.PitchFromMomentum = true;
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}
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else if (sc.Compare("useactorpitch"))
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{
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opts.UseActorPitch = true;
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}
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else if (sc.Compare("useactorroll"))
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{
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opts.UseActorRoll = true;
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}
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else
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{
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sc.ScriptMessage("Unknown voxel option '%s'\n", sc.String);
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if (sc.CheckToken('='))
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{
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sc.MustGetAnyToken();
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}
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}
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}
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sc.ScriptMessage("Unterminated voxel option block\n");
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}
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//==========================================================================
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//
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// R_InitVoxels
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//
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// Process VOXELDEF lumps for defining voxel options that cannot be
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// condensed neatly into a sprite name format.
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//
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//==========================================================================
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void R_InitVoxels()
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{
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int lump, lastlump = 0;
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while ((lump = fileSystem.FindLump("VOXELDEF", &lastlump)) != -1)
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{
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FScanner sc(lump);
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TArray<uint32_t> vsprites;
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while (VOX_ReadSpriteNames(sc, vsprites))
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{
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FVoxel *voxeldata = NULL;
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int voxelfile;
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VoxelOptions opts;
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sc.SetCMode(true);
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sc.MustGetToken(TK_StringConst);
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voxelfile = fileSystem.CheckNumForFullName(sc.String, true, ns_voxels);
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if (voxelfile < 0)
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{
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sc.ScriptMessage("Voxel \"%s\" not found.\n", sc.String);
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}
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else
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{
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voxeldata = VOX_GetVoxel(voxelfile);
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if (voxeldata == NULL)
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{
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sc.ScriptMessage("\"%s\" is not a valid voxel file.\n", sc.String);
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}
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}
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if (sc.CheckToken('{'))
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{
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VOX_ReadOptions(sc, opts);
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}
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sc.SetCMode(false);
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if (voxeldata != NULL && vsprites.Size() != 0)
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{
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if (opts.OverridePalette)
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{
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voxeldata->RemovePalette();
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}
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FVoxelDef *def = new FVoxelDef;
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def->Voxel = voxeldata;
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def->Scale = opts.Scale;
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def->DroppedSpin = opts.DroppedSpin;
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def->PlacedSpin = opts.PlacedSpin;
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def->AngleOffset = opts.AngleOffset;
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def->PitchFromMomentum = opts.PitchFromMomentum;
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def->UseActorPitch = opts.UseActorPitch;
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def->UseActorRoll = opts.UseActorRoll;
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VoxelDefs.Push(def);
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for (unsigned i = 0; i < vsprites.Size(); ++i)
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{
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int sprnum = int(vsprites[i] & 0xFFFFFF);
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int frame = int(vsprites[i] >> 24);
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if (frame == 255)
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{ // Apply voxel to all frames.
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for (int j = MAX_SPRITE_FRAMES - 1; j >= 0; --j)
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{
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VOX_AddVoxel(sprnum, j, def);
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}
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}
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else
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{ // Apply voxel to only one frame.
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VOX_AddVoxel(sprnum, frame, def);
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}
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}
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}
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}
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}
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}
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