- separation of software renderer from the rest of the code complete. All external access to the renderer is routed through the FRenderer interface class now, with two exceptions (2D texture drawing to a canvas and polymost testing code) that are handled by #defines.
SVN r3263 (trunk)
This commit is contained in:
Christoph Oelckers
parent
3e9ffc9ac9
commit
5bfcaab25c
37 changed files with 1677 additions and 1224 deletions
298
src/r_swrenderer.cpp
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298
src/r_swrenderer.cpp
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/*
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** r_swrender.cpp
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** Software renderer interface
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**
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**---------------------------------------------------------------------------
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** Copyright 2011 Christoph Oelckers
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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 "r_local.h"
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#include "v_palette.h"
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#include "v_video.h"
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#include "m_png.h"
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#include "r_bsp.h"
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#include "r_swrenderer.h"
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#include "r_3dfloors.h"
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#include "r_polymost.h"
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#include "textures/textures.h"
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#include "r_data/voxels.h"
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class FArchive;
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void R_SWRSetWindow(int windowSize, int fullWidth, int fullHeight, int stHeight, int trueratio);
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void R_SetupColormap(player_t *);
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void R_SetupFreelook();
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void R_SetupPolymost();
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void R_InitRenderer();
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extern float LastFOV;
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//==========================================================================
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//
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// DCanvas :: Init
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//
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//==========================================================================
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void FSoftwareRenderer::Init()
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{
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R_InitRenderer();
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}
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//==========================================================================
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//
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// DCanvas :: UsesColormap
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//
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//==========================================================================
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bool FSoftwareRenderer::UsesColormap() const
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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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// Texture precaching
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//
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//===========================================================================
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void FSoftwareRenderer::PrecacheTexture(FTexture *tex, int cache)
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{
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if (tex != NULL)
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{
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if (cache & 1)
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{
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const FTexture::Span *spanp;
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tex->GetColumn(0, &spanp);
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}
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else if (cache != 0)
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{
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tex->GetPixels ();
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}
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else
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{
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tex->Unload ();
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}
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}
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}
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//===========================================================================
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//
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// Render the view
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//
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//===========================================================================
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void FSoftwareRenderer::RenderView(player_t *player)
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{
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R_RenderActorView (player->mo);
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// [RH] Let cameras draw onto textures that were visible this frame.
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FCanvasTextureInfo::UpdateAll ();
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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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void FSoftwareRenderer::RemapVoxels()
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{
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for (unsigned i=0; i<Voxels.Size(); i++)
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{
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Voxels[i]->Remap();
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}
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}
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//===========================================================================
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//
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// Render the view to a savegame picture
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//
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//===========================================================================
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void FSoftwareRenderer::WriteSavePic (player_t *player, FILE *file, int width, int height)
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{
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DCanvas *pic = new DSimpleCanvas (width, height);
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PalEntry palette[256];
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// Take a snapshot of the player's view
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pic->ObjectFlags |= OF_Fixed;
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pic->Lock ();
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R_RenderViewToCanvas (player->mo, pic, 0, 0, width, height);
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screen->GetFlashedPalette (palette);
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M_CreatePNG (file, pic->GetBuffer(), palette, SS_PAL, width, height, pic->GetPitch());
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pic->Unlock ();
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pic->Destroy();
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pic->ObjectFlags |= OF_YesReallyDelete;
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delete pic;
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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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void FSoftwareRenderer::DrawRemainingPlayerSprites()
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{
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R_DrawRemainingPlayerSprites();
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}
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//===========================================================================
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//
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// Get max. view angle (renderer specific information so it goes here now)
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//
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//===========================================================================
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#define MAX_DN_ANGLE 56 // Max looking down angle
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#define MAX_UP_ANGLE 32 // Max looking up angle
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int FSoftwareRenderer::GetMaxViewPitch(bool down)
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{
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return down? MAX_DN_ANGLE*ANGLE_1 : -MAX_UP_ANGLE*ANGLE_1;
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}
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//==========================================================================
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//
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// OnModeSet
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//
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// Called from V_SetResolution()
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//
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//==========================================================================
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void FSoftwareRenderer::OnModeSet ()
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{
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R_MultiresInit ();
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RenderTarget = screen;
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screen->Lock (true);
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R_SetupBuffer ();
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screen->Unlock ();
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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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void FSoftwareRenderer::ErrorCleanup ()
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{
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fakeActive = 0;
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fake3D = 0;
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while (CurrentSkybox)
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{
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R_3D_DeleteHeights();
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R_3D_LeaveSkybox();
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}
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R_3D_ResetClip();
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R_3D_DeleteHeights();
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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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void FSoftwareRenderer::ClearBuffer(int color)
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{
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memset(RenderTarget->GetBuffer(), color, RenderTarget->GetPitch() * RenderTarget->GetHeight());
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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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void FSoftwareRenderer::SetWindow (int windowSize, int fullWidth, int fullHeight, int stHeight, int trueratio)
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{
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R_SWRSetWindow(windowSize, fullWidth, fullHeight, stHeight, trueratio);
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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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void FSoftwareRenderer::SetupFrame(player_t *player)
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{
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R_SetupColormap(player);
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R_SetupFreelook();
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R_SetupPolymost();
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}
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//==========================================================================
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//
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// R_CopyStackedViewParameters
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//
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//==========================================================================
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void FSoftwareRenderer::CopyStackedViewParameters()
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{
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R_CopyStackedViewParameters();
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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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void FSoftwareRenderer::RenderTextureView (FCanvasTexture *tex, AActor *viewpoint, int fov)
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{
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BYTE *Pixels = const_cast<BYTE*>(tex->GetPixels());
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DSimpleCanvas *Canvas = tex->GetCanvas();
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float savedfov = LastFOV;
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R_SetFOV ((float)fov);
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R_RenderViewToCanvas (viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
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R_SetFOV (savedfov);
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if (Pixels == Canvas->GetBuffer())
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{
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FTexture::FlipSquareBlockRemap (Pixels, tex->GetWidth(), tex->GetHeight(), GPalette.Remap);
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}
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else
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{
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FTexture::FlipNonSquareBlockRemap (Pixels, Canvas->GetBuffer(), tex->GetWidth(), tex->GetHeight(), Canvas->GetPitch(), GPalette.Remap);
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}
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tex->SetUpdated();
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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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sector_t *FSoftwareRenderer::FakeFlat(sector_t *sec, sector_t *tempsec, int *floorlightlevel, int *ceilinglightlevel, bool back)
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{
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return R_FakeFlat(sec, tempsec, floorlightlevel, ceilinglightlevel, back);
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}
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