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68e9918ed5
There's simply never enough of them and they are used far too infrequently to justify the hassle of tagging along two TMaps per class. For what they provide, single global lists that handle all player classes at once are fully sufficient.
195 lines
6.1 KiB
C++
195 lines
6.1 KiB
C++
/*
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** v_blend.cpp
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** Screen blending stuff
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 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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#include <assert.h>
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#include "templates.h"
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#include "sbar.h"
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#include "c_cvars.h"
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#include "c_dispatch.h"
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#include "c_console.h"
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#include "v_video.h"
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#include "m_swap.h"
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#include "w_wad.h"
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#include "v_text.h"
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#include "s_sound.h"
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#include "gi.h"
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#include "doomstat.h"
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#include "g_level.h"
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#include "d_net.h"
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#include "colormatcher.h"
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#include "v_palette.h"
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#include "d_player.h"
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CVAR( Float, blood_fade_scalar, 1.0f, CVAR_ARCHIVE ) // [SP] Pulled from Skulltag - changed default from 0.5 to 1.0
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CVAR( Float, pickup_fade_scalar, 1.0f, CVAR_ARCHIVE ) // [SP] Uses same logic as blood_fade_scalar except for pickups
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// [RH] Amount of red flash for up to 114 damage points. Calculated by hand
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// using a logarithmic scale and my trusty HP48G.
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static BYTE DamageToAlpha[114] =
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{
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0, 8, 16, 23, 30, 36, 42, 47, 53, 58, 62, 67, 71, 75, 79,
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83, 87, 90, 94, 97, 100, 103, 107, 109, 112, 115, 118, 120, 123, 125,
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128, 130, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155, 157,
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159, 160, 162, 164, 165, 167, 169, 170, 172, 173, 175, 176, 178, 179, 181,
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182, 183, 185, 186, 187, 189, 190, 191, 192, 194, 195, 196, 197, 198, 200,
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201, 202, 203, 204, 205, 206, 207, 209, 210, 211, 212, 213, 214, 215, 216,
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217, 218, 219, 220, 221, 221, 222, 223, 224, 225, 226, 227, 228, 229, 229,
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230, 231, 232, 233, 234, 235, 235, 236, 237
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};
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/*
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=============
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SV_AddBlend
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[RH] This is from Q2.
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=============
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*/
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void V_AddBlend (float r, float g, float b, float a, float v_blend[4])
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{
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float a2, a3;
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if (a <= 0)
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return;
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a2 = v_blend[3] + (1-v_blend[3])*a; // new total alpha
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a3 = v_blend[3]/a2; // fraction of color from old
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v_blend[0] = v_blend[0]*a3 + r*(1-a3);
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v_blend[1] = v_blend[1]*a3 + g*(1-a3);
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v_blend[2] = v_blend[2]*a3 + b*(1-a3);
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v_blend[3] = a2;
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}
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//---------------------------------------------------------------------------
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//
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// BlendView
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//
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//---------------------------------------------------------------------------
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void V_AddPlayerBlend (player_t *CPlayer, float blend[4], float maxinvalpha, int maxpainblend)
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{
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int cnt;
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// [RH] All powerups can affect the screen blending now
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for (AInventory *item = CPlayer->mo->Inventory; item != NULL; item = item->Inventory)
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{
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PalEntry color = item->CallGetBlend ();
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if (color.a != 0)
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{
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V_AddBlend (color.r/255.f, color.g/255.f, color.b/255.f, color.a/255.f, blend);
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if (color.a/255.f > maxinvalpha) maxinvalpha = color.a/255.f;
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}
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}
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if (CPlayer->bonuscount)
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{
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cnt = CPlayer->bonuscount << 3;
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// [SP] Allow player to tone down intensity of pickup flash.
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cnt = (int)( cnt * pickup_fade_scalar );
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V_AddBlend (RPART(gameinfo.pickupcolor)/255.f, GPART(gameinfo.pickupcolor)/255.f,
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BPART(gameinfo.pickupcolor)/255.f, cnt > 128 ? 0.5f : cnt / 255.f, blend);
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}
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PalEntry painFlash = CPlayer->mo->DamageFade;
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CPlayer->GetPainFlash(CPlayer->mo->DamageTypeReceived, &painFlash);
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if (painFlash.a != 0)
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{
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cnt = DamageToAlpha[MIN (113, CPlayer->damagecount * painFlash.a / 255)];
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// [BC] Allow users to tone down the intensity of the blood on the screen.
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cnt = (int)( cnt * blood_fade_scalar );
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if (cnt)
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{
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if (cnt > maxpainblend)
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cnt = maxpainblend;
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V_AddBlend (painFlash.r / 255.f, painFlash.g / 255.f, painFlash.b / 255.f, cnt / 255.f, blend);
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}
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}
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// Unlike Doom, I did not have any utility source to look at to find the
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// exact numbers to use here, so I've had to guess by looking at how they
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// affect the white color in Hexen's palette and picking an alpha value
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// that seems reasonable.
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// [Gez] The exact values could be obtained by looking how they affect
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// each color channel in Hexen's palette.
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if (CPlayer->poisoncount)
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{
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cnt = MIN (CPlayer->poisoncount, 64);
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if (paletteflash & PF_POISON)
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{
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V_AddBlend(44/255.f, 92/255.f, 36/255.f, ((cnt + 7) >> 3) * 0.1f, blend);
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}
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else
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{
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V_AddBlend (0.04f, 0.2571f, 0.f, cnt/93.2571428571f, blend);
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}
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}
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if (CPlayer->hazardcount)
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{
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if (paletteflash & PF_HAZARD)
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{
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if (CPlayer->hazardcount > 16*TICRATE || (CPlayer->hazardcount & 8))
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{
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V_AddBlend (0.f, 1.f, 0.f, 0.125f, blend);
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}
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}
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else
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{
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cnt= MIN(CPlayer->hazardcount/8, 64);
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V_AddBlend (0.f, 0.2571f, 0.f, cnt/93.2571428571f, blend);
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}
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}
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if (CPlayer->mo->DamageType == NAME_Ice)
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{
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if (paletteflash & PF_ICE)
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{
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V_AddBlend(0.f, 0.f, 224/255.f, 0.5f, blend);
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}
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else
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{
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V_AddBlend (0.25f, 0.25f, 0.853f, 0.4f, blend);
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}
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}
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// cap opacity if desired
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if (blend[3] > maxinvalpha) blend[3] = maxinvalpha;
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}
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